ci: delete upload doc workflow

Bumps [taiki-e/install-action](https://github.com/taiki-e/install-action) from 2.33.26 to 2.33.34.
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/taiki-e/install-action/compare/v2.33.26...v2.33.34)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.cargo/config.toml

@@ -1,17 +1,10 @@
 [alias]
-lint = "clippy --workspace --tests --examples --bins -- -Dclippy::todo"
-lint-all = "clippy --workspace --all-features --tests --examples --bins -- -Dclippy::todo"
+lint = "clippy --workspace --all-targets -- -Dclippy::todo"
+lint-all = "clippy --workspace --all-features --all-targets -- -Dclippy::todo"
 
 # lib checking
 ci-check-min = "hack --workspace check --no-default-features"
 ci-check-default = "hack --workspace check"
 ci-check-default-tests = "check --workspace --tests"
-ci-check-all-feature-powerset="hack --workspace --feature-powerset --skip=__compress,experimental-io-uring check"
-ci-check-all-feature-powerset-linux="hack --workspace --feature-powerset --skip=__compress check"
-
-# testing
-ci-doctest-default = "test --workspace --doc --no-fail-fast -- --nocapture"
-ci-doctest = "test --workspace --all-features --doc --no-fail-fast -- --nocapture"
-
-# compile docs as docs.rs would
-# RUSTDOCFLAGS="--cfg=docsrs" cargo +nightly doc --no-deps --workspace
+ci-check-all-feature-powerset="hack --workspace --feature-powerset --depth=4 --skip=__compress,experimental-io-uring check"
+ci-check-all-feature-powerset-linux="hack --workspace --feature-powerset --depth=4 --skip=__compress check"

.github/ISSUE_TEMPLATE/bug_report.md

@@ -3,34 +3,40 @@ name: Bug Report
 about: Create a bug report.
 ---
 
-Your issue may already be reported!
-Please search on the [Actix Web issue tracker](https://github.com/actix/actix-web/issues) before creating one.
+Your issue may already be reported! Please search on the [Actix Web issue tracker](https://github.com/actix/actix-web/issues) before creating one.
 
 ## Expected Behavior
+
 <!--- If you're describing a bug, tell us what should happen -->
 <!--- If you're suggesting a change/improvement, tell us how it should work -->
 
 ## Current Behavior
+
 <!--- If describing a bug, tell us what happens instead of the expected behavior -->
 <!--- If suggesting a change/improvement, explain the difference from current behavior -->
 
 ## Possible Solution
+
 <!--- Not obligatory, but suggest a fix/reason for the bug, -->
 <!--- or ideas how to implement the addition or change -->
 
 ## Steps to Reproduce (for bugs)
+
 <!--- Provide a link to a live example, or an unambiguous set of steps to -->
 <!--- reproduce this bug. Include code to reproduce, if relevant -->
+
 1.
 2.
 3.
 4.
 
 ## Context
+
 <!--- How has this issue affected you? What are you trying to accomplish? -->
 <!--- Providing context helps us come up with a solution that is most useful in the real world -->
 
 ## Your Environment
+
 <!--- Include as many relevant details about the environment you experienced the bug in -->
 
 - Rust Version (I.e, output of `rustc -V`):

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,12 +2,14 @@
 <!-- Please fill out the following to get your PR reviewed quicker. -->
 
 ## PR Type
+
 <!-- What kind of change does this PR make? -->
 <!-- Bug Fix / Feature / Refactor / Code Style / Other -->
+
 PR_TYPE
 
-
 ## PR Checklist
+
 <!-- Check your PR fulfills the following items. -->
 <!-- For draft PRs check the boxes as you complete them. -->
 
@@ -17,11 +19,10 @@ PR_TYPE
 - [ ] Format code with the latest stable rustfmt.
 - [ ] (Team) Label with affected crates and semver status.
 
-
 ## Overview
+
 <!-- Describe the current and new behavior. -->
 <!-- Emphasize any breaking changes. -->
 
-
 <!-- If this PR fixes or closes an issue, reference it here. -->
 <!-- Closes #000 -->

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/workflows/bench.yml

@@ -2,25 +2,27 @@ name: Benchmark
 
 on:
   push:
-    branches:
-      - master
+    branches: [master]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   check_benchmark:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          profile: minimal
-          override: true
+        run: |
+          rustup set profile minimal
+          rustup install nightly
+          rustup override set nightly
 
       - name: Check benchmark
-        uses: actions-rs/cargo@v1
-        with:
-          command: bench
-          args: --bench=server -- --sample-size=15
+        run: cargo bench --bench=server -- --sample-size=15

.github/workflows/ci-post-merge.yml

@@ -4,147 +4,88 @@ on:
   push:
     branches: [master]
 
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build_and_test_nightly:
     strategy:
       fail-fast: false
       matrix:
+        # prettier-ignore
         target:
           - { name: Linux, os: ubuntu-latest, triple: x86_64-unknown-linux-gnu }
           - { name: macOS, os: macos-latest, triple: x86_64-apple-darwin }
-          - { name: Windows, os: windows-2022, triple: x86_64-pc-windows-msvc }
+          - { name: Windows, os: windows-latest, triple: x86_64-pc-windows-msvc }
         version:
-          - nightly
+          - { name: nightly, version: nightly }
 
-    name: ${{ matrix.target.name }} / ${{ matrix.version }}
+    name: ${{ matrix.target.name }} / ${{ matrix.version.name }}
     runs-on: ${{ matrix.target.os }}
 
-    env:
-      CI: 1
-      CARGO_INCREMENTAL: 0
-      VCPKGRS_DYNAMIC: 1
-      CARGO_UNSTABLE_SPARSE_REGISTRY: true
-
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+
+      - name: Install nasm
+        if: matrix.target.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1.5.1
 
-      # install OpenSSL on Windows
-      # TODO: GitHub actions docs state that OpenSSL is
-      # already installed on these Windows machines somewhere
-      - name: Set vcpkg root
-        if: matrix.target.triple == 'x86_64-pc-windows-msvc'
-        run: echo "VCPKG_ROOT=$env:VCPKG_INSTALLATION_ROOT" | Out-File -FilePath $env:GITHUB_ENV -Append
       - name: Install OpenSSL
-        if: matrix.target.triple == 'x86_64-pc-windows-msvc'
-        run: vcpkg install openssl:x64-windows
+        if: matrix.target.os == 'windows-latest'
+        shell: bash
+        run: |
+          set -e
+          choco install openssl --version=1.1.1.2100 -y --no-progress
+          echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' >> $GITHUB_ENV
+          echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
 
-      - name: Install ${{ matrix.version }}
-        uses: actions-rs/toolchain@v1
+      - name: Install Rust (${{ matrix.version.name }})
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
-          toolchain: ${{ matrix.version }}-${{ matrix.target.triple }}
-          profile: minimal
-          override: true
+          toolchain: ${{ matrix.version.version }}
 
-      - name: Install cargo-hack
-        uses: taiki-e/install-action@cargo-hack
-
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.2.0
+      - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
+        uses: taiki-e/install-action@v2.33.34
+        with:
+          tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
       - name: check minimal
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-min }
+        run: cargo ci-check-min
 
       - name: check default
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-default }
+        run: cargo ci-check-default
 
       - name: tests
         timeout-minutes: 60
-        run: |
-          cargo test --lib --tests -p=actix-router --all-features
-          cargo test --lib --tests -p=actix-http --all-features
-          cargo test --lib --tests -p=actix-web --features=rustls,openssl -- --skip=test_reading_deflate_encoding_large_random_rustls
-          cargo test --lib --tests -p=actix-web-codegen --all-features
-          cargo test --lib --tests -p=awc --all-features
-          cargo test --lib --tests -p=actix-http-test --all-features
-          cargo test --lib --tests -p=actix-test --all-features
-          cargo test --lib --tests -p=actix-files
-          cargo test --lib --tests -p=actix-multipart --all-features
-          cargo test --lib --tests -p=actix-web-actors --all-features
+        run: just test
 
-      - name: Clear the cargo caches
-        run: |
-          cargo install cargo-cache --version 0.8.2 --no-default-features --features ci-autoclean
-          cargo-cache
+      - name: CI cache clean
+        run: cargo-ci-cache-clean
 
   ci_feature_powerset_check:
     name: Verify Feature Combinations
     runs-on: ubuntu-latest
 
-    env:
-      CI: 1
-      CARGO_INCREMENTAL: 0
-
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - name: Install stable
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable-x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
-
-      - name: Install cargo-hack
-        uses: taiki-e/install-action@cargo-hack
-
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.2.0
-
-      - name: check feature combinations
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-all-feature-powerset }
-      
-      - name: check feature combinations
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-all-feature-powerset-linux }
-
-  nextest:
-    name: nextest
-    runs-on: ubuntu-latest
-
-    env:
-      CI: 1
-      CARGO_INCREMENTAL: 0
-
-    steps:
-      - uses: actions/checkout@v2
+      - name: Free Disk Space
+        run: ./scripts/free-disk-space.sh
 
       - name: Install Rust
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+
+      - name: Install cargo-hack
+        uses: taiki-e/install-action@v2.33.34
         with:
-          toolchain: stable
-          profile: minimal
-          override: true
+          tool: cargo-hack
 
-      - name: Install nextest
-        uses: taiki-e/install-action@nextest
+      - name: check feature combinations
+        run: cargo ci-check-all-feature-powerset
 
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.3.0
-
-      - name: Test with cargo-nextest
-        uses: actions-rs/cargo@v1
-        with:
-          command: nextest
-          args: run
+      - name: check feature combinations
+        run: cargo ci-check-all-feature-powerset-linux

.github/workflows/ci.yml

@@ -3,140 +3,119 @@ name: CI
 on:
   pull_request:
     types: [opened, synchronize, reopened]
+  merge_group:
+    types: [checks_requested]
   push:
     branches: [master]
 
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
+  read_msrv:
+    name: Read MSRV
+    uses: actions-rust-lang/msrv/.github/workflows/msrv.yml@main
+
   build_and_test:
+    needs: read_msrv
+
     strategy:
       fail-fast: false
       matrix:
+        # prettier-ignore
         target:
           - { name: Linux, os: ubuntu-latest, triple: x86_64-unknown-linux-gnu }
           - { name: macOS, os: macos-latest, triple: x86_64-apple-darwin }
-          - { name: Windows, os: windows-2022, triple: x86_64-pc-windows-msvc }
+          - { name: Windows, os: windows-latest, triple: x86_64-pc-windows-msvc }
         version:
-          - 1.57.0 # MSRV
-          - stable
+          - { name: msrv, version: "${{ needs.read_msrv.outputs.msrv }}" }
+          - { name: stable, version: stable }
 
-    name: ${{ matrix.target.name }} / ${{ matrix.version }}
+    name: ${{ matrix.target.name }} / ${{ matrix.version.name }}
     runs-on: ${{ matrix.target.os }}
 
-    env:
-      CI: 1
-      CARGO_INCREMENTAL: 0
-      VCPKGRS_DYNAMIC: 1
-
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+
+      - name: Install nasm
+        if: matrix.target.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1.5.1
 
-      # install OpenSSL on Windows
-      # TODO: GitHub actions docs state that OpenSSL is
-      # already installed on these Windows machines somewhere
-      - name: Set vcpkg root
-        if: matrix.target.triple == 'x86_64-pc-windows-msvc'
-        run: echo "VCPKG_ROOT=$env:VCPKG_INSTALLATION_ROOT" | Out-File -FilePath $env:GITHUB_ENV -Append
       - name: Install OpenSSL
-        if: matrix.target.triple == 'x86_64-pc-windows-msvc'
-        run: vcpkg install openssl:x64-windows
+        if: matrix.target.os == 'windows-latest'
+        shell: bash
+        run: |
+          set -e
+          choco install openssl --version=1.1.1.2100 -y --no-progress
+          echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' >> $GITHUB_ENV
+          echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
 
-      - name: Install ${{ matrix.version }}
-        uses: actions-rs/toolchain@v1
+      - name: Setup mold linker
+        if: matrix.target.os == 'ubuntu-latest'
+        uses: rui314/setup-mold@v1
+
+      - name: Install Rust (${{ matrix.version.name }})
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
-          toolchain: ${{ matrix.version }}-${{ matrix.target.triple }}
-          profile: minimal
-          override: true
+          toolchain: ${{ matrix.version.version }}
 
-      - name: Install cargo-hack
-        uses: taiki-e/install-action@cargo-hack
+      - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
+        uses: taiki-e/install-action@v2.33.34
+        with:
+          tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
       - name: workaround MSRV issues
-        if: matrix.version != 'stable'
-        run: |
-          cargo install cargo-edit --version=0.8.0
-          cargo add const-str@0.3 --dev -p=actix-web
-          cargo add const-str@0.3 --dev -p=awc
-
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.2.0
+        if: matrix.version.name == 'msrv'
+        run: just downgrade-for-msrv
 
       - name: check minimal
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-min }
+        run: cargo ci-check-min
 
       - name: check default
-        uses: actions-rs/cargo@v1
-        with: { command: ci-check-default }
+        run: cargo ci-check-default
 
       - name: tests
         timeout-minutes: 60
-        run: |
-          cargo test --lib --tests -p=actix-router --all-features
-          cargo test --lib --tests -p=actix-http --all-features
-          cargo test --lib --tests -p=actix-web --features=rustls,openssl -- --skip=test_reading_deflate_encoding_large_random_rustls
-          cargo test --lib --tests -p=actix-web-codegen --all-features
-          cargo test --lib --tests -p=awc --all-features
-          cargo test --lib --tests -p=actix-http-test --all-features
-          cargo test --lib --tests -p=actix-test --all-features
-          cargo test --lib --tests -p=actix-files
-          cargo test --lib --tests -p=actix-multipart --all-features
-          cargo test --lib --tests -p=actix-web-actors --all-features
+        run: just test
 
-      - name: Clear the cargo caches
-        run: |
-          cargo install cargo-cache --version 0.8.2 --no-default-features --features ci-autoclean
-          cargo-cache
+      - name: CI cache clean
+        run: cargo-ci-cache-clean
 
   io-uring:
     name: io-uring tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
-          toolchain: stable-x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
-
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.3.0
+          toolchain: nightly
 
       - name: tests (io-uring)
         timeout-minutes: 60
         run: >
-          sudo bash -c "ulimit -Sl 512
-          && ulimit -Hl 512
-          && PATH=$PATH:/usr/share/rust/.cargo/bin
-          && RUSTUP_TOOLCHAIN=stable cargo test --lib --tests -p=actix-files --all-features"
+          sudo bash -c "ulimit -Sl 512 && ulimit -Hl 512 && PATH=$PATH:/usr/share/rust/.cargo/bin && RUSTUP_TOOLCHAIN=stable cargo test --lib --tests -p=actix-files --all-features"
 
   rustdoc:
     name: doc tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rs/toolchain@v1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
-          toolchain: nightly-x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
+          toolchain: nightly
 
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.3.0
+      - name: Install just
+        uses: taiki-e/install-action@v2.33.34
+        with:
+          tool: just
 
       - name: doc tests
-        uses: actions-rs/cargo@v1
-        timeout-minutes: 60
-        with: { command: ci-doctest }
+        run: just test-docs

.github/workflows/clippy-fmt.yml

@@ -1,66 +0,0 @@
-name: Lint
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-
-jobs:
-  fmt:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          profile: minimal
-          components: rustfmt
-      - name: Check with rustfmt
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
-
-  clippy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          profile: minimal
-          components: clippy
-          override: true
-
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.2.0
-
-      - name: Check with Clippy
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace --tests --examples --all-features
-
-  lint-docs:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          profile: minimal
-          components: rust-docs
-      - name: Check for broken intra-doc links
-        uses: actions-rs/cargo@v1
-        env:
-          RUSTDOCFLAGS: "-D warnings"
-        with:
-          command: doc
-          args: --no-deps --all-features --workspace

.github/workflows/coverage.yml

@@ -1,36 +1,39 @@
-# disabled because `cargo tarpaulin` currently segfaults
-
 name: Coverage
 
 on:
   push:
     branches: [master]
 
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
-  # job currently (1st Feb 2022) segfaults
   coverage:
-    name: coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - name: Install stable
-        uses: actions-rs/toolchain@v1
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
-          toolchain: stable-x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
+          components: llvm-tools-preview
 
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with: { command: generate-lockfile }
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v1.2.0
+      - name: Install just,cargo-llvm-cov
+        uses: taiki-e/install-action@v2.33.34
+        with:
+          tool: just,cargo-llvm-cov
 
-      - name: Generate coverage file
-        run: |
-          cargo install cargo-tarpaulin --vers "^0.13"
-          cargo tarpaulin --workspace --features=rustls,openssl --out Xml --verbose
-      - name: Upload to Codecov
-        uses: codecov/codecov-action@v1
-        with: { file: cobertura.xml }
+      - name: Generate code coverage
+        run: cargo llvm-cov --workspace --all-features --codecov --output-path codecov.json
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4.4.1
+        with:
+          files: codecov.json
+          fail_ci_if_error: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/lint.yml

@@ -0,0 +1,93 @@
+name: Lint
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        with:
+          toolchain: nightly
+          components: rustfmt
+
+      - name: Check with Rustfmt
+        run: cargo fmt --all -- --check
+
+  clippy:
+    permissions:
+      contents: read
+      checks: write # to add clippy checks to PR diffs
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        with:
+          components: clippy
+
+      - name: Check with Clippy
+        uses: giraffate/clippy-action@v1.0.1
+        with:
+          reporter: github-pr-check
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          clippy_flags: >-
+            --workspace --all-features --tests --examples --bins --
+            -A unknown_lints -D clippy::todo -D clippy::dbg_macro
+
+  lint-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        with:
+          toolchain: nightly
+          components: rust-docs
+
+      - name: Check for broken intra-doc links
+        env:
+          RUSTDOCFLAGS: -D warnings
+        run: cargo +nightly doc --no-deps --workspace --all-features
+
+  public-api-diff:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout main branch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.base_ref }}
+
+      - name: Checkout PR branch
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        with:
+          toolchain: nightly-2024-04-26
+
+      - name: Install cargo-public-api
+        uses: taiki-e/install-action@v2.33.34
+        with:
+          tool: cargo-public-api
+
+      - name: Generate API diff
+        run: |
+          for f in $(find -mindepth 2 -maxdepth 2 -name Cargo.toml); do
+            cargo public-api --manifest-path "$f" diff ${{ github.event.pull_request.base.sha }}..${{ github.sha }}
+          done

.github/workflows/upload-doc.yml

@@ -1,35 +0,0 @@
-name: Upload Documentation
-
-on:
-  push:
-    branches: [master]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly-x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
-
-      - name: Build Docs
-        uses: actions-rs/cargo@v1
-        with:
-          command: doc
-          args: --workspace --all-features --no-deps
-
-      - name: Tweak HTML
-        run: echo '<meta http-equiv="refresh" content="0;url=actix_web/index.html">' > target/doc/index.html
-
-      - name: Deploy to GitHub Pages
-        uses: JamesIves/github-pages-deploy-action@3.7.1
-        with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BRANCH: gh-pages
-          FOLDER: target/doc

.gitignore

@@ -19,3 +19,7 @@ guide/build/
 
 # Configuration directory generated by VSCode
 .vscode
+
+# code coverage
+/lcov.info
+/codecov.json

.prettierrc.json

@@ -1,3 +0,0 @@
-{
-    "proseWrap": "never"
-}

.prettierrc.yml

@@ -0,0 +1,5 @@
+overrides:
+  - files: "*.md"
+    options:
+      printWidth: 9999
+      proseWrap: never

.rustfmt.toml

@@ -0,0 +1,3 @@
+group_imports = "StdExternalCrate"
+imports_granularity = "Crate"
+use_field_init_shorthand = true

Cargo.toml

@@ -5,6 +5,7 @@ members = [
     "actix-http-test",
     "actix-http",
     "actix-multipart",
+    "actix-multipart-derive",
     "actix-router",
     "actix-test",
     "actix-web-actors",
@@ -13,6 +14,13 @@ members = [
     "awc",
 ]
 
+[workspace.package]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-web"
+license = "MIT OR Apache-2.0"
+edition = "2021"
+rust-version = "1.72"
+
 [profile.dev]
 # Disabling debug info speeds up builds a bunch and we don't rely on it for debugging that much.
 debug = 0
@@ -27,6 +35,7 @@ actix-files = { path = "actix-files" }
 actix-http = { path = "actix-http" }
 actix-http-test = { path = "actix-http-test" }
 actix-multipart = { path = "actix-multipart" }
+actix-multipart-derive = { path = "actix-multipart-derive" }
 actix-router = { path = "actix-router" }
 actix-test = { path = "actix-test" }
 actix-web = { path = "actix-web" }

actix-files/CHANGES.md

@@ -1,16 +1,35 @@
 # Changes
 
-## Unreleased - 2022-xx-xx
+## Unreleased
 
+- Minimum supported Rust version (MSRV) is now 1.72.
+
+## 0.6.5
+
+- Fix handling of special characters in filenames.
+
+## 0.6.4
+
+- Fix handling of newlines in filenames.
+- Minimum supported Rust version (MSRV) is now 1.68 due to transitive `time` dependency.
+
+## 0.6.3
+
+- XHTML files now use `Content-Disposition: inline` instead of `attachment`. [#2903]
+- Minimum supported Rust version (MSRV) is now 1.59 due to transitive `time` dependency.
+- Update `tokio-uring` dependency to `0.4`.
+
+[#2903]: https://github.com/actix/actix-web/pull/2903
+
+## 0.6.2
 
-## 0.6.2 - 2022-07-23
 - Allow partial range responses for video content to start streaming sooner. [#2817]
 - Minimum supported Rust version (MSRV) is now 1.57 due to transitive `time` dependency.
 
 [#2817]: https://github.com/actix/actix-web/pull/2817
 
+## 0.6.1
 
-## 0.6.1 - 2022-06-11
 - Add `NamedFile::{modified, metadata, content_type, content_disposition, encoding}()` getters. [#2021]
 - Update `tokio-uring` dependency to `0.3`.
 - Audio files now use `Content-Disposition: inline` instead of `attachment`. [#2645]
@@ -19,46 +38,46 @@
 [#2021]: https://github.com/actix/actix-web/pull/2021
 [#2645]: https://github.com/actix/actix-web/pull/2645
 
+## 0.6.0
 
-## 0.6.0 - 2022-02-25
 - No significant changes since `0.6.0-beta.16`.
 
+## 0.6.0-beta.16
 
-## 0.6.0-beta.16 - 2022-01-31
 - No significant changes since `0.6.0-beta.15`.
 
+## 0.6.0-beta.15
 
-## 0.6.0-beta.15 - 2022-01-21
 - No significant changes since `0.6.0-beta.14`.
 
+## 0.6.0-beta.14
 
-## 0.6.0-beta.14 - 2022-01-14
 - The `prefer_utf8` option introduced in `0.4.0` is now true by default. [#2583]
 
 [#2583]: https://github.com/actix/actix-web/pull/2583
 
+## 0.6.0-beta.13
 
-## 0.6.0-beta.13 - 2022-01-04
 - The `Files` service now rejects requests with URL paths that include `%2F` (decoded: `/`). [#2398]
 - The `Files` service now correctly decodes `%25` in the URL path to `%` for the file path. [#2398]
 - Minimum supported Rust version (MSRV) is now 1.54.
 
 [#2398]: https://github.com/actix/actix-web/pull/2398
 
+## 0.6.0-beta.12
 
-## 0.6.0-beta.12 - 2021-12-29
 - No significant changes since `0.6.0-beta.11`.
 
+## 0.6.0-beta.11
 
-## 0.6.0-beta.11 - 2021-12-27
 - No significant changes since `0.6.0-beta.10`.
 
+## 0.6.0-beta.10
 
-## 0.6.0-beta.10 - 2021-12-11
 - No significant changes since `0.6.0-beta.9`.
 
+## 0.6.0-beta.9
 
-## 0.6.0-beta.9 - 2021-11-22
 - Add crate feature `experimental-io-uring`, enabling async file I/O to be utilized. This feature is only available on Linux OSes with recent kernel versions. This feature is semver-exempt. [#2408]
 - Add `NamedFile::open_async`. [#2408]
 - Fix 304 Not Modified responses to omit the Content-Length header, as per the spec. [#2453]
@@ -69,24 +88,24 @@
 [#2408]: https://github.com/actix/actix-web/pull/2408
 [#2453]: https://github.com/actix/actix-web/pull/2453
 
+## 0.6.0-beta.8
 
-## 0.6.0-beta.8 - 2021-10-20
 - Minimum supported Rust version (MSRV) is now 1.52.
 
+## 0.6.0-beta.7
 
-## 0.6.0-beta.7 - 2021-09-09
 - Minimum supported Rust version (MSRV) is now 1.51.
 
+## 0.6.0-beta.6
 
-## 0.6.0-beta.6 - 2021-06-26
 - Added `Files::path_filter()`. [#2274]
 - `Files::show_files_listing()` can now be used with `Files::index_file()` to show files listing as a fallback when the index file is not found. [#2228]
 
 [#2274]: https://github.com/actix/actix-web/pull/2274
 [#2228]: https://github.com/actix/actix-web/pull/2228
 
+## 0.6.0-beta.5
 
-## 0.6.0-beta.5 - 2021-06-17
 - `NamedFile` now implements `ServiceFactory` and `HttpServiceFactory` making it much more useful in routing. For example, it can be used directly as a default service. [#2135]
 - For symbolic links, `Content-Disposition` header no longer shows the filename of the original file. [#2156]
 - `Files::redirect_to_slash_directory()` now works as expected when used with `Files::show_files_listing()`. [#2225]
@@ -97,58 +116,58 @@
 [#2225]: https://github.com/actix/actix-web/pull/2225
 [#2257]: https://github.com/actix/actix-web/pull/2257
 
+## 0.6.0-beta.4
 
-## 0.6.0-beta.4 - 2021-04-02
 - Add support for `.guard` in `Files` to selectively filter `Files` services. [#2046]
 
 [#2046]: https://github.com/actix/actix-web/pull/2046
 
+## 0.6.0-beta.3
 
-## 0.6.0-beta.3 - 2021-03-09
 - No notable changes.
 
+## 0.6.0-beta.2
 
-## 0.6.0-beta.2 - 2021-02-10
 - Fix If-Modified-Since and If-Unmodified-Since to not compare using sub-second timestamps. [#1887]
 - Replace `v_htmlescape` with `askama_escape`. [#1953]
 
 [#1887]: https://github.com/actix/actix-web/pull/1887
 [#1953]: https://github.com/actix/actix-web/pull/1953
 
+## 0.6.0-beta.1
 
-## 0.6.0-beta.1 - 2021-01-07
 - `HttpRange::parse` now has its own error type.
 - Update `bytes` to `1.0`. [#1813]
 
 [#1813]: https://github.com/actix/actix-web/pull/1813
 
+## 0.5.0
 
-## 0.5.0 - 2020-12-26
 - Optionally support hidden files/directories. [#1811]
 
 [#1811]: https://github.com/actix/actix-web/pull/1811
 
+## 0.4.1
 
-## 0.4.1 - 2020-11-24
 - Clarify order of parameters in `Files::new` and improve docs.
 
+## 0.4.0
 
-## 0.4.0 - 2020-10-06
 - Add `Files::prefer_utf8` option that adds UTF-8 charset on certain response types. [#1714]
 
 [#1714]: https://github.com/actix/actix-web/pull/1714
 
+## 0.3.0
 
-## 0.3.0 - 2020-09-11
 - No significant changes from 0.3.0-beta.1.
 
+## 0.3.0-beta.1
 
-## 0.3.0-beta.1 - 2020-07-15
 - Update `v_htmlescape` to 0.10
 - Update `actix-web` and `actix-http` dependencies to beta.1
 
+## 0.3.0-alpha.1
 
-## 0.3.0-alpha.1 - 2020-05-23
 - Update `actix-web` and `actix-http` dependencies to alpha
 - Fix some typos in the docs
 - Bump minimum supported Rust version to 1.40
@@ -156,73 +175,73 @@
 
 [#1384]: https://github.com/actix/actix-web/pull/1384
 
+## 0.2.1
 
-## 0.2.1 - 2019-12-22
 - Use the same format for file URLs regardless of platforms
 
+## 0.2.0
 
-## 0.2.0 - 2019-12-20
 - Fix BodyEncoding trait import #1220
 
+## 0.2.0-alpha.1
 
-## 0.2.0-alpha.1 - 2019-12-07
 - Migrate to `std::future`
 
+## 0.1.7
 
-## 0.1.7 - 2019-11-06
-- Add an additional `filename*` param in the `Content-Disposition` header of
-  `actix_files::NamedFile` to be more compatible. (#1151)
+- Add an additional `filename*` param in the `Content-Disposition` header of `actix_files::NamedFile` to be more compatible. (#1151)
+
+## 0.1.6
 
-## 0.1.6 - 2019-10-14
 - Add option to redirect to a slash-ended path `Files` #1132
 
+## 0.1.5
 
-## 0.1.5 - 2019-10-08
 - Bump up `mime_guess` crate version to 2.0.1
 - Bump up `percent-encoding` crate version to 2.1
 - Allow user defined request guards for `Files` #1113
 
+## 0.1.4
 
-## 0.1.4 - 2019-07-20
 - Allow to disable `Content-Disposition` header #686
 
+## 0.1.3
 
-## 0.1.3 - 2019-06-28
 - Do not set `Content-Length` header, let actix-http set it #930
 
+## 0.1.2
 
-## 0.1.2 - 2019-06-13
 - Content-Length is 0 for NamedFile HEAD request #914
 - Fix ring dependency from actix-web default features for #741
 
+## 0.1.1
 
-## 0.1.1 - 2019-06-01
 - Static files are incorrectly served as both chunked and with length #812
 
+## 0.1.0
 
-## 0.1.0 - 2019-05-25
 - NamedFile last-modified check always fails due to nano-seconds in file modified date #820
 
+## 0.1.0-beta.4
 
-## 0.1.0-beta.4 - 2019-05-12
 - Update actix-web to beta.4
 
+## 0.1.0-beta.1
 
-## 0.1.0-beta.1 - 2019-04-20
 - Update actix-web to beta.1
 
+## 0.1.0-alpha.6
 
-## 0.1.0-alpha.6 - 2019-04-14
 - Update actix-web to alpha6
 
+## 0.1.0-alpha.4
 
-## 0.1.0-alpha.4 - 2019-04-08
 - Update actix-web to alpha4
 
+## 0.1.0-alpha.2
 
-## 0.1.0-alpha.2 - 2019-04-02
 - Add default handler support
 
+## 0.1.0-alpha.1
 
-## 0.1.0-alpha.1 - 2019-03-28
 - Initial impl

actix-files/Cargo.toml

@@ -1,9 +1,8 @@
 [package]
 name = "actix-files"
-version = "0.6.2"
+version = "0.6.5"
 authors = [
     "Nikolay Kim <fafhrd91@gmail.com>",
-    "fakeshadow <24548779@qq.com>",
     "Rob Ede <robjtede@icloud.com>",
 ]
 description = "Static file serving for Actix Web"
@@ -12,7 +11,7 @@ homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-web"
 categories = ["asynchronous", "web-programming::http-server"]
 license = "MIT OR Apache-2.0"
-edition = "2018"
+edition = "2021"
 
 [lib]
 name = "actix_files"
@@ -27,25 +26,26 @@ actix-service = "2"
 actix-utils = "3"
 actix-web = { version = "4", default-features = false }
 
-askama_escape = "0.10"
-bitflags = "1"
+bitflags = "2"
 bytes = "1"
 derive_more = "0.99.5"
-futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
+futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
 http-range = "0.1.4"
 log = "0.4"
-mime = "0.3"
+mime = "0.3.9"
 mime_guess = "2.0.1"
 percent-encoding = "2.1"
 pin-project-lite = "0.2.7"
+v_htmlescape = "0.15.5"
 
 # experimental-io-uring
 [target.'cfg(target_os = "linux")'.dependencies]
-tokio-uring = { version = "0.3", optional = true, features = ["bytes"] }
-actix-server = { version = "2.1", optional = true } # ensure matching tokio-uring versions
+tokio-uring = { version = "0.4", optional = true, features = ["bytes"] }
+actix-server = { version = "2.2", optional = true } # ensure matching tokio-uring versions
 
 [dev-dependencies]
 actix-rt = "2.7"
-actix-test = "0.1.0-beta.13"
+actix-test = "0.1"
 actix-web = "4"
+env_logger = "0.11"
 tempfile = "3.2"

actix-files/README.md

@@ -1,18 +1,32 @@
-# actix-files
+# `actix-files`
 
-> Static file serving for Actix Web
+<!-- prettier-ignore-start -->
 
 [![crates.io](https://img.shields.io/crates/v/actix-files?label=latest)](https://crates.io/crates/actix-files)
-[![Documentation](https://docs.rs/actix-files/badge.svg?version=0.6.2)](https://docs.rs/actix-files/0.6.2)
-![Version](https://img.shields.io/badge/rustc-1.57+-ab6000.svg)
+[![Documentation](https://docs.rs/actix-files/badge.svg?version=0.6.5)](https://docs.rs/actix-files/0.6.5)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
 ![License](https://img.shields.io/crates/l/actix-files.svg)
 <br />
-[![dependency status](https://deps.rs/crate/actix-files/0.6.2/status.svg)](https://deps.rs/crate/actix-files/0.6.2)
+[![dependency status](https://deps.rs/crate/actix-files/0.6.5/status.svg)](https://deps.rs/crate/actix-files/0.6.5)
 [![Download](https://img.shields.io/crates/d/actix-files.svg)](https://crates.io/crates/actix-files)
 [![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
 
-## Documentation & Resources
+<!-- prettier-ignore-end -->
 
-- [API Documentation](https://docs.rs/actix-files)
-- [Example Project](https://github.com/actix/examples/tree/master/basics/static-files)
-- Minimum Supported Rust Version (MSRV): 1.54
+<!-- cargo-rdme start -->
+
+Static file serving for Actix Web.
+
+Provides a non-blocking service for serving static files from disk.
+
+## Examples
+
+```rust
+use actix_web::App;
+use actix_files::Files;
+
+let app = App::new()
+    .service(Files::new("/static", ".").prefer_utf8(true));
+```
+
+<!-- cargo-rdme end -->

actix-files/examples/guarded-listing.rs

@@ -0,0 +1,33 @@
+use actix_files::Files;
+use actix_web::{get, guard, middleware, App, HttpServer, Responder};
+
+const EXAMPLES_DIR: &str = concat![env!("CARGO_MANIFEST_DIR"), "/examples"];
+
+#[get("/")]
+async fn index() -> impl Responder {
+    "Hello world!"
+}
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("starting HTTP server at http://localhost:8080");
+
+    HttpServer::new(|| {
+        App::new()
+            .service(index)
+            .service(
+                Files::new("/assets", EXAMPLES_DIR)
+                    .show_files_listing()
+                    .guard(guard::Header("show-listing", "?1")),
+            )
+            .service(Files::new("/assets", EXAMPLES_DIR))
+            .wrap(middleware::Compress::default())
+            .wrap(middleware::Logger::default())
+    })
+    .bind(("127.0.0.1", 8080))?
+    .workers(2)
+    .run()
+    .await
+}

actix-files/src/chunked.rs

@@ -7,11 +7,10 @@ use std::{
 };
 
 use actix_web::{error::Error, web::Bytes};
-use futures_core::{ready, Stream};
-use pin_project_lite::pin_project;
-
 #[cfg(feature = "experimental-io-uring")]
 use bytes::BytesMut;
+use futures_core::{ready, Stream};
+use pin_project_lite::pin_project;
 
 use super::named::File;
 

actix-files/src/directory.rs

@@ -1,8 +1,13 @@
-use std::{fmt::Write, fs::DirEntry, io, path::Path, path::PathBuf};
+use std::{
+    fmt::Write,
+    fs::DirEntry,
+    io,
+    path::{Path, PathBuf},
+};
 
 use actix_web::{dev::ServiceResponse, HttpRequest, HttpResponse};
-use askama_escape::{escape as escape_html_entity, Html};
 use percent_encoding::{utf8_percent_encode, CONTROLS};
+use v_htmlescape::escape as escape_html_entity;
 
 /// A directory; responds with the generated directory listing.
 #[derive(Debug)]
@@ -59,7 +64,7 @@ macro_rules! encode_file_url {
 /// ```
 macro_rules! encode_file_name {
     ($entry:ident) => {
-        escape_html_entity(&$entry.file_name().to_string_lossy(), Html)
+        escape_html_entity(&$entry.file_name().to_string_lossy())
     };
 }
 

actix-files/src/error.rs

@@ -4,46 +4,45 @@ use derive_more::Display;
 /// Errors which can occur when serving static files.
 #[derive(Debug, PartialEq, Eq, Display)]
 pub enum FilesError {
-    /// Path is not a directory
+    /// Path is not a directory.
     #[allow(dead_code)]
-    #[display(fmt = "Path is not a directory. Unable to serve static files")]
+    #[display(fmt = "path is not a directory. Unable to serve static files")]
     IsNotDirectory,
 
-    /// Cannot render directory
-    #[display(fmt = "Unable to render directory without index file")]
+    /// Cannot render directory.
+    #[display(fmt = "unable to render directory without index file")]
     IsDirectory,
 }
 
-/// Return `NotFound` for `FilesError`
 impl ResponseError for FilesError {
+    /// Returns `404 Not Found`.
     fn status_code(&self) -> StatusCode {
         StatusCode::NOT_FOUND
     }
 }
 
-#[allow(clippy::enum_variant_names)]
 #[derive(Debug, PartialEq, Eq, Display)]
 #[non_exhaustive]
 pub enum UriSegmentError {
-    /// The segment started with the wrapped invalid character.
-    #[display(fmt = "The segment started with the wrapped invalid character")]
+    /// Segment started with the wrapped invalid character.
+    #[display(fmt = "segment started with invalid character: ('{_0}')")]
     BadStart(char),
 
-    /// The segment contained the wrapped invalid character.
-    #[display(fmt = "The segment contained the wrapped invalid character")]
+    /// Segment contained the wrapped invalid character.
+    #[display(fmt = "segment contained invalid character ('{_0}')")]
     BadChar(char),
 
-    /// The segment ended with the wrapped invalid character.
-    #[display(fmt = "The segment ended with the wrapped invalid character")]
+    /// Segment ended with the wrapped invalid character.
+    #[display(fmt = "segment ended with invalid character: ('{_0}')")]
     BadEnd(char),
 
-    /// The path is not a valid UTF-8 string after doing percent decoding.
-    #[display(fmt = "The path is not a valid UTF-8 string after percent-decoding")]
+    /// Path is not a valid UTF-8 string after percent-decoding.
+    #[display(fmt = "path is not a valid UTF-8 string after percent-decoding")]
     NotValidUtf8,
 }
 
-/// Return `BadRequest` for `UriSegmentError`
 impl ResponseError for UriSegmentError {
+    /// Returns `400 Bad Request`.
     fn status_code(&self) -> StatusCode {
         StatusCode::BAD_REQUEST
     }

actix-files/src/files.rs

@@ -8,8 +8,7 @@ use std::{
 use actix_service::{boxed, IntoServiceFactory, ServiceFactory, ServiceFactoryExt};
 use actix_web::{
     dev::{
-        AppService, HttpServiceFactory, RequestHead, ResourceDef, ServiceRequest,
-        ServiceResponse,
+        AppService, HttpServiceFactory, RequestHead, ResourceDef, ServiceRequest, ServiceResponse,
     },
     error::Error,
     guard::Guard,
@@ -142,7 +141,7 @@ impl Files {
         self
     }
 
-    /// Set custom directory renderer
+    /// Set custom directory renderer.
     pub fn files_listing_renderer<F>(mut self, f: F) -> Self
     where
         for<'r, 's> F:
@@ -152,7 +151,7 @@ impl Files {
         self
     }
 
-    /// Specifies mime override callback
+    /// Specifies MIME override callback.
     pub fn mime_override<F>(mut self, f: F) -> Self
     where
         F: Fn(&mime::Name<'_>) -> DispositionType + 'static,
@@ -236,7 +235,7 @@ impl Files {
     /// request starts being handled by the file service, it will not be able to back-out and try
     /// the next service, you will simply get a 404 (or 405) error response.
     ///
-    /// To allow `POST` requests to retrieve files, see [`Files::use_guards`].
+    /// To allow `POST` requests to retrieve files, see [`Files::method_guard()`].
     ///
     /// # Examples
     /// ```
@@ -301,12 +300,8 @@ impl Files {
     pub fn default_handler<F, U>(mut self, f: F) -> Self
     where
         F: IntoServiceFactory<U, ServiceRequest>,
-        U: ServiceFactory<
-                ServiceRequest,
-                Config = (),
-                Response = ServiceResponse,
-                Error = Error,
-            > + 'static,
+        U: ServiceFactory<ServiceRequest, Config = (), Response = ServiceResponse, Error = Error>
+            + 'static,
     {
         // create and configure default resource
         self.default = Rc::new(RefCell::new(Some(Rc::new(boxed::factory(
@@ -390,3 +385,46 @@ impl ServiceFactory<ServiceRequest> for Files {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use actix_web::{
+        http::StatusCode,
+        test::{self, TestRequest},
+        App, HttpResponse,
+    };
+
+    use super::*;
+
+    #[actix_web::test]
+    async fn custom_files_listing_renderer() {
+        let srv = test::init_service(
+            App::new().service(
+                Files::new("/", "./tests")
+                    .show_files_listing()
+                    .files_listing_renderer(|dir, req| {
+                        Ok(ServiceResponse::new(
+                            req.clone(),
+                            HttpResponse::Ok().body(dir.path.to_str().unwrap().to_owned()),
+                        ))
+                    }),
+            ),
+        )
+        .await;
+
+        let req = TestRequest::with_uri("/").to_request();
+        let res = test::call_service(&srv, req).await;
+
+        assert_eq!(res.status(), StatusCode::OK);
+        let body = test::read_body(res).await;
+        let body_str = std::str::from_utf8(&body).unwrap();
+        let actual_path = Path::new(&body_str);
+        let expected_path = Path::new("actix-files/tests");
+        assert!(
+            actual_path.ends_with(expected_path),
+            "body {:?} does not end with {:?}",
+            actual_path,
+            expected_path
+        );
+    }
+}

actix-files/src/lib.rs

@@ -13,6 +13,11 @@
 
 #![deny(rust_2018_idioms, nonstandard_style)]
 #![warn(future_incompatible, missing_docs, missing_debug_implementations)]
+#![doc(html_logo_url = "https://actix.rs/img/logo.png")]
+#![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
+use std::path::Path;
 
 use actix_service::boxed::{BoxService, BoxServiceFactory};
 use actix_web::{
@@ -21,7 +26,6 @@ use actix_web::{
     http::header::DispositionType,
 };
 use mime_guess::from_ext;
-use std::path::Path;
 
 mod chunked;
 mod directory;
@@ -33,16 +37,15 @@ mod path_buf;
 mod range;
 mod service;
 
-pub use self::chunked::ChunkedReadFile;
-pub use self::directory::Directory;
-pub use self::files::Files;
-pub use self::named::NamedFile;
-pub use self::range::HttpRange;
-pub use self::service::FilesService;
-
-use self::directory::{directory_listing, DirectoryRenderer};
-use self::error::FilesError;
-use self::path_buf::PathBufWrap;
+pub use self::{
+    chunked::ChunkedReadFile, directory::Directory, files::Files, named::NamedFile,
+    range::HttpRange, service::FilesService,
+};
+use self::{
+    directory::{directory_listing, DirectoryRenderer},
+    error::FilesError,
+    path_buf::PathBufWrap,
+};
 
 type HttpService = BoxService<ServiceRequest, ServiceResponse, Error>;
 type HttpNewService = BoxServiceFactory<(), ServiceRequest, ServiceResponse, Error, ()>;
@@ -62,6 +65,7 @@ type PathFilter = dyn Fn(&Path, &RequestHead) -> bool;
 #[cfg(test)]
 mod tests {
     use std::{
+        fmt::Write as _,
         fs::{self},
         ops::Add,
         time::{Duration, SystemTime},
@@ -71,7 +75,7 @@ mod tests {
         dev::ServiceFactory,
         guard,
         http::{
-            header::{self, ContentDisposition, DispositionParam, DispositionType},
+            header::{self, ContentDisposition, DispositionParam},
             Method, StatusCode,
         },
         middleware::Compress,
@@ -550,10 +554,9 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_static_files_with_spaces() {
-        let srv = test::init_service(
-            App::new().service(Files::new("/", ".").index_file("Cargo.toml")),
-        )
-        .await;
+        let srv =
+            test::init_service(App::new().service(Files::new("/", ".").index_file("Cargo.toml")))
+                .await;
         let request = TestRequest::get()
             .uri("/tests/test%20space.binary")
             .to_request();
@@ -565,6 +568,30 @@ mod tests {
         assert_eq!(bytes, data);
     }
 
+    #[cfg(not(target_os = "windows"))]
+    #[actix_rt::test]
+    async fn test_static_files_with_special_characters() {
+        // Create the file we want to test against ad-hoc. We can't check it in as otherwise
+        // Windows can't even checkout this repository.
+        let temp_dir = tempfile::tempdir().unwrap();
+        let file_with_newlines = temp_dir.path().join("test\n\x0B\x0C\rnewline.text");
+        fs::write(&file_with_newlines, "Look at my newlines").unwrap();
+
+        let srv = test::init_service(
+            App::new().service(Files::new("/", temp_dir.path()).index_file("Cargo.toml")),
+        )
+        .await;
+        let request = TestRequest::get()
+            .uri("/test%0A%0B%0C%0Dnewline.text")
+            .to_request();
+        let response = test::call_service(&srv, request).await;
+        assert_eq!(response.status(), StatusCode::OK);
+
+        let bytes = test::read_body(response).await;
+        let data = web::Bytes::from(fs::read(file_with_newlines).unwrap());
+        assert_eq!(bytes, data);
+    }
+
     #[actix_rt::test]
     async fn test_files_not_allowed() {
         let srv = test::init_service(App::new().service(Files::new("/", "."))).await;
@@ -663,8 +690,7 @@ mod tests {
     #[actix_rt::test]
     async fn test_static_files() {
         let srv =
-            test::init_service(App::new().service(Files::new("/", ".").show_files_listing()))
-                .await;
+            test::init_service(App::new().service(Files::new("/", ".").show_files_listing())).await;
         let req = TestRequest::with_uri("/missing").to_request();
 
         let resp = test::call_service(&srv, req).await;
@@ -677,8 +703,7 @@ mod tests {
         assert_eq!(resp.status(), StatusCode::NOT_FOUND);
 
         let srv =
-            test::init_service(App::new().service(Files::new("/", ".").show_files_listing()))
-                .await;
+            test::init_service(App::new().service(Files::new("/", ".").show_files_listing())).await;
         let req = TestRequest::with_uri("/tests").to_request();
         let resp = test::call_service(&srv, req).await;
         assert_eq!(
@@ -839,19 +864,21 @@ mod tests {
 
     #[actix_rt::test]
     async fn test_percent_encoding_2() {
-        let tmpdir = tempfile::tempdir().unwrap();
+        let temp_dir = tempfile::tempdir().unwrap();
         let filename = match cfg!(unix) {
-            true => "ض:?#[]{}<>()@!$&'`|*+,;= %20.test",
+            true => "ض:?#[]{}<>()@!$&'`|*+,;= %20\n.test",
             false => "ض#[]{}()@!$&'`+,;= %20.test",
         };
         let filename_encoded = filename
             .as_bytes()
             .iter()
-            .map(|c| format!("%{:02X}", c))
-            .collect::<String>();
-        std::fs::File::create(tmpdir.path().join(filename)).unwrap();
+            .fold(String::new(), |mut buf, c| {
+                write!(&mut buf, "%{:02X}", c).unwrap();
+                buf
+            });
+        std::fs::File::create(temp_dir.path().join(filename)).unwrap();
 
-        let srv = test::init_service(App::new().service(Files::new("", tmpdir.path()))).await;
+        let srv = test::init_service(App::new().service(Files::new("/", temp_dir.path()))).await;
 
         let req = TestRequest::get()
             .uri(&format!("/{}", filename_encoded))

actix-files/src/named.rs

@@ -8,13 +8,13 @@ use std::{
 use actix_web::{
     body::{self, BoxBody, SizedStream},
     dev::{
-        self, AppService, HttpServiceFactory, ResourceDef, Service, ServiceFactory,
-        ServiceRequest, ServiceResponse,
+        self, AppService, HttpServiceFactory, ResourceDef, Service, ServiceFactory, ServiceRequest,
+        ServiceResponse,
     },
     http::{
         header::{
-            self, Charset, ContentDisposition, ContentEncoding, DispositionParam,
-            DispositionType, ExtendedValue, HeaderValue,
+            self, Charset, ContentDisposition, ContentEncoding, DispositionParam, DispositionType,
+            ExtendedValue, HeaderValue,
         },
         StatusCode,
     },
@@ -24,11 +24,11 @@ use bitflags::bitflags;
 use derive_more::{Deref, DerefMut};
 use futures_core::future::LocalBoxFuture;
 use mime::Mime;
-use mime_guess::from_path;
 
 use crate::{encoding::equiv_utf8_text, range::HttpRange};
 
 bitflags! {
+    #[derive(Debug, Clone, Copy)]
     pub(crate) struct Flags: u8 {
         const ETAG =                0b0000_0001;
         const LAST_MD =             0b0000_0010;
@@ -84,6 +84,7 @@ pub struct NamedFile {
 
 #[cfg(not(feature = "experimental-io-uring"))]
 pub(crate) use std::fs::File;
+
 #[cfg(feature = "experimental-io-uring")]
 pub(crate) use tokio_uring::fs::File;
 
@@ -126,20 +127,25 @@ impl NamedFile {
                 }
             };
 
-            let ct = from_path(&path).first_or_octet_stream();
+            let ct = mime_guess::from_path(&path).first_or_octet_stream();
 
             let disposition = match ct.type_() {
                 mime::IMAGE | mime::TEXT | mime::AUDIO | mime::VIDEO => DispositionType::Inline,
                 mime::APPLICATION => match ct.subtype() {
                     mime::JAVASCRIPT | mime::JSON => DispositionType::Inline,
-                    name if name == "wasm" => DispositionType::Inline,
+                    name if name == "wasm" || name == "xhtml" => DispositionType::Inline,
                     _ => DispositionType::Attachment,
                 },
                 _ => DispositionType::Attachment,
             };
 
-            let mut parameters =
-                vec![DispositionParam::Filename(String::from(filename.as_ref()))];
+            // replace special characters in filenames which could occur on some filesystems
+            let filename_s = filename
+                .replace('\n', "%0A") // \n line break
+                .replace('\x0B', "%0B") // \v vertical tab
+                .replace('\x0C', "%0C") // \f form feed
+                .replace('\r', "%0D"); // \r carriage return
+            let mut parameters = vec![DispositionParam::Filename(filename_s)];
 
             if !filename.is_ascii() {
                 parameters.push(DispositionParam::FilenameExt(ExtendedValue {

actix-files/src/path_buf.rs

@@ -30,7 +30,7 @@ impl PathBufWrap {
         let mut segment_count = path.matches('/').count() + 1;
 
         // we can decode the whole path here (instead of per-segment decoding)
-        // because we will reject `%2F` in paths using `segement_count`.
+        // because we will reject `%2F` in paths using `segment_count`.
         let path = percent_encoding::percent_decode_str(path)
             .decode_utf8()
             .map_err(|_| UriSegmentError::NotValidUtf8)?;
@@ -97,8 +97,6 @@ impl FromRequest for PathBufWrap {
 
 #[cfg(test)]
 mod tests {
-    use std::iter::FromIterator;
-
     use super::*;
 
     #[test]

actix-files/src/range.rs

@@ -1,4 +1,36 @@
-use derive_more::{Display, Error};
+use std::fmt;
+
+use derive_more::Error;
+
+/// Copy of `http_range::HttpRangeParseError`.
+#[derive(Debug, Clone)]
+enum HttpRangeParseError {
+    InvalidRange,
+    NoOverlap,
+}
+
+impl From<http_range::HttpRangeParseError> for HttpRangeParseError {
+    fn from(err: http_range::HttpRangeParseError) -> Self {
+        match err {
+            http_range::HttpRangeParseError::InvalidRange => Self::InvalidRange,
+            http_range::HttpRangeParseError::NoOverlap => Self::NoOverlap,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Error)]
+#[non_exhaustive]
+pub struct ParseRangeErr(#[error(not(source))] HttpRangeParseError);
+
+impl fmt::Display for ParseRangeErr {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("invalid Range header: ")?;
+        f.write_str(match self.0 {
+            HttpRangeParseError::InvalidRange => "invalid syntax",
+            HttpRangeParseError::NoOverlap => "range starts after end of content",
+        })
+    }
+}
 
 /// HTTP Range header representation.
 #[derive(Debug, Clone, Copy)]
@@ -10,26 +42,22 @@ pub struct HttpRange {
     pub length: u64,
 }
 
-#[derive(Debug, Clone, Display, Error)]
-#[display(fmt = "Parse HTTP Range failed")]
-pub struct ParseRangeErr(#[error(not(source))] ());
-
 impl HttpRange {
     /// Parses Range HTTP header string as per RFC 2616.
     ///
     /// `header` is HTTP Range header (e.g. `bytes=bytes=0-9`).
     /// `size` is full size of response (file).
     pub fn parse(header: &str, size: u64) -> Result<Vec<HttpRange>, ParseRangeErr> {
-        match http_range::HttpRange::parse(header, size) {
-            Ok(ranges) => Ok(ranges
-                .iter()
-                .map(|range| HttpRange {
-                    start: range.start,
-                    length: range.length,
-                })
-                .collect()),
-            Err(_) => Err(ParseRangeErr(())),
-        }
+        let ranges =
+            http_range::HttpRange::parse(header, size).map_err(|err| ParseRangeErr(err.into()))?;
+
+        Ok(ranges
+            .iter()
+            .map(|range| HttpRange {
+                start: range.start,
+                length: range.length,
+            })
+            .collect())
     }
 }
 

actix-files/src/service.rs

@@ -23,7 +23,7 @@ impl Deref for FilesService {
     type Target = FilesServiceInner;
 
     fn deref(&self) -> &Self::Target {
-        &*self.0
+        &self.0
     }
 }
 
@@ -62,11 +62,7 @@ impl FilesService {
         }
     }
 
-    fn serve_named_file(
-        &self,
-        req: ServiceRequest,
-        mut named_file: NamedFile,
-    ) -> ServiceResponse {
+    fn serve_named_file(&self, req: ServiceRequest, mut named_file: NamedFile) -> ServiceResponse {
         if let Some(ref mime_override) = self.mime_override {
             let new_disposition = mime_override(&named_file.content_type.type_());
             named_file.content_disposition.disposition = new_disposition;
@@ -120,13 +116,11 @@ impl Service<ServiceRequest> for FilesService {
                 ));
             }
 
-            let path_on_disk = match PathBufWrap::parse_path(
-                req.match_info().unprocessed(),
-                this.hidden_files,
-            ) {
-                Ok(item) => item,
-                Err(err) => return Ok(req.error_response(err)),
-            };
+            let path_on_disk =
+                match PathBufWrap::parse_path(req.match_info().unprocessed(), this.hidden_files) {
+                    Ok(item) => item,
+                    Err(err) => return Ok(req.error_response(err)),
+                };
 
             if let Some(filter) = &this.path_filter {
                 if !filter(path_on_disk.as_ref(), req.head()) {
@@ -177,8 +171,7 @@ impl Service<ServiceRequest> for FilesService {
                 match NamedFile::open_async(&path).await {
                     Ok(mut named_file) => {
                         if let Some(ref mime_override) = this.mime_override {
-                            let new_disposition =
-                                mime_override(&named_file.content_type.type_());
+                            let new_disposition = mime_override(&named_file.content_type.type_());
                             named_file.content_disposition.disposition = new_disposition;
                         }
                         named_file.flags = this.file_flags;

actix-files/tests/encoding.rs

@@ -24,8 +24,7 @@ async fn test_utf8_file_contents() {
 
     // disable UTF-8 attribute
     let srv =
-        test::init_service(App::new().service(Files::new("/", "./tests").prefer_utf8(false)))
-            .await;
+        test::init_service(App::new().service(Files::new("/", "./tests").prefer_utf8(false))).await;
 
     let req = TestRequest::with_uri("/utf8.txt").to_request();
     let res = test::call_service(&srv, req).await;

actix-files/tests/guard.rs

@@ -12,9 +12,7 @@ async fn test_guard_filter() {
     let srv = test::init_service(
         App::new()
             .service(Files::new("/", "./tests/fixtures/guards/first").guard(Host("first.com")))
-            .service(
-                Files::new("/", "./tests/fixtures/guards/second").guard(Host("second.com")),
-            ),
+            .service(Files::new("/", "./tests/fixtures/guards/second").guard(Host("second.com"))),
     )
     .await;
 

actix-files/tests/traversal.rs

@@ -9,8 +9,7 @@ use actix_web::{
 async fn test_directory_traversal_prevention() {
     let srv = test::init_service(App::new().service(Files::new("/", "./tests"))).await;
 
-    let req =
-        TestRequest::with_uri("/../../../../../../../../../../../etc/passwd").to_request();
+    let req = TestRequest::with_uri("/../../../../../../../../../../../etc/passwd").to_request();
     let res = test::call_service(&srv, req).await;
     assert_eq!(res.status(), StatusCode::NOT_FOUND);
 

actix-http-test/CHANGES.md

@@ -1,9 +1,19 @@
 # Changes
 
-## Unreleased - 2022-xx-xx
+## Unreleased
 
+- Minimum supported Rust version (MSRV) is now 1.72.
+
+## 3.2.0
+
+- Minimum supported Rust version (MSRV) is now 1.68 due to transitive `time` dependency.
+
+## 3.1.0
+
+- Minimum supported Rust version (MSRV) is now 1.59.
+
+## 3.0.0
 
-## 3.0.0 - 2022-07-24
 - `TestServer::stop` is now async and will wait for the server and system to shutdown. [#2442]
 - Added `TestServer::client_headers` method. [#2097]
 - Update `actix-server` dependency to `2`.
@@ -15,78 +25,79 @@
 [#2097]: https://github.com/actix/actix-web/pull/2097
 [#1813]: https://github.com/actix/actix-web/pull/1813
 
-
 <details>
 <summary>3.0.0 Pre-Releases</summary>
 
-## 3.0.0-beta.13 - 2022-02-16
+## 3.0.0-beta.13
+
 - No significant changes since `3.0.0-beta.12`.
 
+## 3.0.0-beta.12
 
-## 3.0.0-beta.12 - 2022-01-31
 - No significant changes since `3.0.0-beta.11`.
 
+## 3.0.0-beta.11
 
-## 3.0.0-beta.11 - 2022-01-04
 - Minimum supported Rust version (MSRV) is now 1.54.
 
+## 3.0.0-beta.10
 
-## 3.0.0-beta.10 - 2021-12-27
 - Update `actix-server` to `2.0.0-rc.2`. [#2550]
 
 [#2550]: https://github.com/actix/actix-web/pull/2550
 
+## 3.0.0-beta.9
 
-## 3.0.0-beta.9 - 2021-12-11
 - No significant changes since `3.0.0-beta.8`.
 
+## 3.0.0-beta.8
 
-## 3.0.0-beta.8 - 2021-11-30
 - Update `actix-tls` to `3.0.0-rc.1`. [#2474]
 
 [#2474]: https://github.com/actix/actix-web/pull/2474
 
+## 3.0.0-beta.7
 
-## 3.0.0-beta.7 - 2021-11-22
 - Fix compatibility with experimental `io-uring` feature of `actix-rt`. [#2408]
 
 [#2408]: https://github.com/actix/actix-web/pull/2408
 
+## 3.0.0-beta.6
 
-## 3.0.0-beta.6 - 2021-11-15
 - `TestServer::stop` is now async and will wait for the server and system to shutdown. [#2442]
 - Update `actix-server` to `2.0.0-beta.9`. [#2442]
 - Minimum supported Rust version (MSRV) is now 1.52.
 
 [#2442]: https://github.com/actix/actix-web/pull/2442
 
+## 3.0.0-beta.5
 
-## 3.0.0-beta.5 - 2021-09-09
 - Minimum supported Rust version (MSRV) is now 1.51.
 
+## 3.0.0-beta.4
 
-## 3.0.0-beta.4 - 2021-04-02
 - Added `TestServer::client_headers` method. [#2097]
 
 [#2097]: https://github.com/actix/actix-web/pull/2097
 
+## 3.0.0-beta.3
 
-## 3.0.0-beta.3 - 2021-03-09
 - No notable changes.
 
+## 3.0.0-beta.2
 
-## 3.0.0-beta.2 - 2021-02-10
 - No notable changes.
 
+## 3.0.0-beta.1
 
-## 3.0.0-beta.1 - 2021-01-07
 - Update `bytes` to `1.0`. [#1813]
 
 [#1813]: https://github.com/actix/actix-web/pull/1813
 
 </details>
 
-## 2.1.0 - 2020-11-25
+## 2.1.0
+
 - Add ability to set address for `TestServer`. [#1645]
 - Upgrade `base64` to `0.13`.
 - Upgrade `serde_urlencoded` to `0.7`. [#1773]
@@ -94,12 +105,12 @@
 [#1773]: https://github.com/actix/actix-web/pull/1773
 [#1645]: https://github.com/actix/actix-web/pull/1645
 
+## 2.0.0
 
-## 2.0.0 - 2020-09-11
 - Update actix-codec and actix-utils dependencies.
 
+## 2.0.0-alpha.1
 
-## 2.0.0-alpha.1 - 2020-05-23
 - Update the `time` dependency to 0.2.7
 - Update `actix-connect` dependency to 2.0.0-alpha.2
 - Make `test_server` `async` fn.
@@ -108,56 +119,57 @@
 - Update `base64` dependency to 0.12
 - Update `env_logger` dependency to 0.7
 
-## 1.0.0 - 2019-12-13
+## 1.0.0
+
 - Replaced `TestServer::start()` with `test_server()`
 
+## 1.0.0-alpha.3
 
-## 1.0.0-alpha.3 - 2019-12-07
 - Migrate to `std::future`
 
+## 0.2.5
 
-## 0.2.5 - 2019-09-17
 - Update serde_urlencoded to "0.6.1"
 - Increase TestServerRuntime timeouts from 500ms to 3000ms
 - Do not override current `System`
 
+## 0.2.4
 
-## 0.2.4 - 2019-07-18
 - Update actix-server to 0.6
 
+## 0.2.3
 
-## 0.2.3 - 2019-07-16
 - Add `delete`, `options`, `patch` methods to `TestServerRunner`
 
+## 0.2.2
 
-## 0.2.2 - 2019-06-16
 - Add .put() and .sput() methods
 
+## 0.2.1
 
-## 0.2.1 - 2019-06-05
 - Add license files
 
+## 0.2.0
 
-## 0.2.0 - 2019-05-12
 - Update awc and actix-http deps
 
+## 0.1.1
 
-## 0.1.1 - 2019-04-24
 - Always make new connection for http client
 
+## 0.1.0
 
-## 0.1.0 - 2019-04-16
 - No changes
 
+## 0.1.0-alpha.3
 
-## 0.1.0-alpha.3 - 2019-04-02
 - Request functions accept path #743
 
+## 0.1.0-alpha.2
 
-## 0.1.0-alpha.2 - 2019-03-29
 - Added TestServerRuntime::load_body() method
 - Update actix-http and awc libraries
 
+## 0.1.0-alpha.1
 
-## 0.1.0-alpha.1 - 2019-03-28
 - Initial impl

actix-http-test/Cargo.toml

@@ -1,11 +1,11 @@
 [package]
 name = "actix-http-test"
-version = "3.0.0"
+version = "3.2.0"
 authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 description = "Various helpers for Actix applications to use during testing"
 keywords = ["http", "web", "framework", "async", "futures"]
 homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-web.git"
+repository = "https://github.com/actix/actix-web"
 categories = [
     "network-programming",
     "asynchronous",
@@ -13,7 +13,7 @@ categories = [
     "web-programming::websocket",
 ]
 license = "MIT OR Apache-2.0"
-edition = "2018"
+edition = "2021"
 
 [package.metadata.docs.rs]
 features = []
@@ -37,19 +37,17 @@ actix-rt = "2.2"
 actix-server = "2"
 awc = { version = "3", default-features = false }
 
-base64 = "0.13"
 bytes = "1"
-futures-core = { version = "0.3.7", default-features = false }
-http = "0.2.5"
+futures-core = { version = "0.3.17", default-features = false }
+http = "0.2.7"
 log = "0.4"
-socket2 = "0.4"
-serde = "1.0"
-serde_json = "1.0"
+socket2 = "0.5"
+serde = "1"
+serde_json = "1"
 slab = "0.4"
 serde_urlencoded = "0.7"
-tls-openssl = { version = "0.10.9", package = "openssl", optional = true }
-tokio = { version = "1.8.4", features = ["sync"] }
+tls-openssl = { version = "0.10.55", package = "openssl", optional = true }
+tokio = { version = "1.24.2", features = ["sync"] }
 
 [dev-dependencies]
-actix-web = { version = "4", default-features = false, features = ["cookies"] }
 actix-http = "3"

actix-http-test/README.md

@@ -1,17 +1,16 @@
-# actix-http-test
+# `actix-http-test`
 
 > Various helpers for Actix applications to use during testing.
 
+<!-- prettier-ignore-start -->
+
 [![crates.io](https://img.shields.io/crates/v/actix-http-test?label=latest)](https://crates.io/crates/actix-http-test)
-[![Documentation](https://docs.rs/actix-http-test/badge.svg?version=3.0.0)](https://docs.rs/actix-http-test/3.0.0)
-![Version](https://img.shields.io/badge/rustc-1.57+-ab6000.svg)
+[![Documentation](https://docs.rs/actix-http-test/badge.svg?version=3.2.0)](https://docs.rs/actix-http-test/3.2.0)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http-test)
 <br>
-[![Dependency Status](https://deps.rs/crate/actix-http-test/3.0.0/status.svg)](https://deps.rs/crate/actix-http-test/3.0.0)
+[![Dependency Status](https://deps.rs/crate/actix-http-test/3.2.0/status.svg)](https://deps.rs/crate/actix-http-test/3.2.0)
 [![Download](https://img.shields.io/crates/d/actix-http-test.svg)](https://crates.io/crates/actix-http-test)
 [![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
 
-## Documentation & Resources
-
-- [API Documentation](https://docs.rs/actix-http-test)
-- Minimum Supported Rust Version (MSRV): 1.54
+<!-- prettier-ignore-end -->

actix-http-test/src/lib.rs

@@ -4,6 +4,7 @@
 #![warn(future_incompatible)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[cfg(feature = "openssl")]
 extern crate tls_openssl as openssl;
@@ -29,27 +30,31 @@ use tokio::sync::mpsc;
 /// for HTTP applications.
 ///
 /// # Examples
-/// ```no_run
-/// use actix_http::HttpService;
+///
+/// ```
+/// use actix_http::{HttpService, Response, Error, StatusCode};
 /// use actix_http_test::test_server;
-/// use actix_web::{web, App, HttpResponse, Error};
+/// use actix_service::{fn_service, map_config, ServiceFactoryExt as _};
 ///
-/// async fn my_handler() -> Result<HttpResponse, Error> {
-///     Ok(HttpResponse::Ok().into())
-/// }
-///
-/// #[actix_web::test]
+/// #[actix_rt::test]
+/// # async fn hidden_test() {}
 /// async fn test_example() {
-///     let mut srv = TestServer::start(||
-///         HttpService::new(
-///             App::new().service(web::resource("/").to(my_handler))
-///         )
-///     );
+///     let srv = test_server(|| {
+///         HttpService::build()
+///             .h1(fn_service(|req| async move {
+///                 Ok::<_, Error>(Response::ok())
+///             }))
+///             .tcp()
+///             .map_err(|_| ())
+///     })
+///     .await;
 ///
 ///     let req = srv.get("/");
 ///     let response = req.send().await.unwrap();
-///     assert!(response.status().is_success());
+///
+///     assert_eq!(response.status(), StatusCode::OK);
 /// }
+/// # actix_rt::System::new().block_on(test_example());
 /// ```
 pub async fn test_server<F: ServerServiceFactory<TcpStream>>(factory: F) -> TestServer {
     let tcp = net::TcpListener::bind("127.0.0.1:0").unwrap();
@@ -87,6 +92,7 @@ pub async fn test_server_with_addr<F: ServerServiceFactory<TcpStream>>(
 
         // notify TestServer that server and system have shut down
         // all thread managed resources should be dropped at this point
+        #[allow(clippy::let_underscore_future)]
         let _ = thread_stop_tx.send(());
     });
 
@@ -294,6 +300,7 @@ impl Drop for TestServer {
         // without needing to await anything
 
         // signal server to stop
+        #[allow(clippy::let_underscore_future)]
         let _ = self.server.stop(true);
 
         // signal system to stop

actix-http/Cargo.toml

@@ -1,26 +1,38 @@
 [package]
 name = "actix-http"
-version = "3.2.1"
+version = "3.7.0"
 authors = [
     "Nikolay Kim <fafhrd91@gmail.com>",
     "Rob Ede <robjtede@icloud.com>",
 ]
-description = "HTTP primitives for the Actix ecosystem"
+description = "HTTP types and services for the Actix ecosystem"
 keywords = ["actix", "http", "framework", "async", "futures"]
 homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-web.git"
+repository = "https://github.com/actix/actix-web"
 categories = [
     "network-programming",
     "asynchronous",
     "web-programming::http-server",
     "web-programming::websocket",
 ]
-license = "MIT OR Apache-2.0"
-edition = "2018"
+license.workspace = true
+edition.workspace = true
+rust-version.workspace = true
 
 [package.metadata.docs.rs]
-# features that docs.rs will build with
-features = ["http2", "ws", "openssl", "rustls", "compress-brotli", "compress-gzip", "compress-zstd"]
+rustdoc-args = ["--cfg", "docsrs"]
+features = [
+    "http2",
+    "ws",
+    "openssl",
+    "rustls-0_20",
+    "rustls-0_21",
+    "rustls-0_22",
+    "rustls-0_23",
+    "compress-brotli",
+    "compress-gzip",
+    "compress-zstd",
+]
 
 [lib]
 name = "actix_http"
@@ -43,15 +55,27 @@ ws = [
 # TLS via OpenSSL
 openssl = ["actix-tls/accept", "actix-tls/openssl"]
 
-# TLS via Rustls
-rustls = ["actix-tls/accept", "actix-tls/rustls"]
+# TLS via Rustls v0.20
+rustls = ["rustls-0_20"]
+
+# TLS via Rustls v0.20
+rustls-0_20 = ["actix-tls/accept", "actix-tls/rustls-0_20"]
+
+# TLS via Rustls v0.21
+rustls-0_21 = ["actix-tls/accept", "actix-tls/rustls-0_21"]
+
+# TLS via Rustls v0.22
+rustls-0_22 = ["actix-tls/accept", "actix-tls/rustls-0_22"]
+
+# TLS via Rustls v0.23
+rustls-0_23 = ["actix-tls/accept", "actix-tls/rustls-0_23"]
 
 # Compression codecs
 compress-brotli = ["__compress", "brotli"]
 compress-gzip   = ["__compress", "flate2"]
 compress-zstd   = ["__compress", "zstd"]
 
-# Internal (PRIVATE!) features used to aid testing and cheking feature status.
+# Internal (PRIVATE!) features used to aid testing and checking feature status.
 # Don't rely on these whatsoever. They are semver-exempt and may disappear at anytime.
 __compress = []
 
@@ -61,80 +85,80 @@ actix-codec = "0.5"
 actix-utils = "3"
 actix-rt = { version = "2.2", default-features = false }
 
-ahash = "0.7"
-bitflags = "1.2"
+ahash = "0.8"
+bitflags = "2"
 bytes = "1"
 bytestring = "1"
 derive_more = "0.99.5"
 encoding_rs = "0.8"
-futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
-http = "0.2.5"
+futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
+http = "0.2.7"
 httparse = "1.5.1"
 httpdate = "1.0.1"
 itoa = "1"
 language-tags = "0.3"
-mime = "0.3"
+mime = "0.3.4"
 percent-encoding = "2.1"
 pin-project-lite = "0.2"
 smallvec = "1.6.1"
+tokio = { version = "1.24.2", features = [] }
+tokio-util = { version = "0.7", features = ["io", "codec"] }
 tracing = { version = "0.1.30", default-features = false, features = ["log"] }
 
 # http2
-h2 = { version = "0.3.9", optional = true }
+h2 = { version = "0.3.24", optional = true }
 
 # websockets
 local-channel = { version = "0.1", optional = true }
-base64 = { version = "0.13", optional = true }
+base64 = { version = "0.22", optional = true }
 rand = { version = "0.8", optional = true }
 sha1 = { version = "0.10", optional = true }
 
 # openssl/rustls
-actix-tls = { version = "3", default-features = false, optional = true }
+actix-tls = { version = "3.4", default-features = false, optional = true }
 
 # compress-*
-brotli = { version = "3.3.3", optional = true }
+brotli = { version = "6", optional = true }
 flate2 = { version = "1.0.13", optional = true }
-zstd = { version = "0.11", optional = true }
+zstd = { version = "0.13", optional = true }
 
 [dev-dependencies]
 actix-http-test = { version = "3", features = ["openssl"] }
 actix-server = "2"
-actix-tls = { version = "3", features = ["openssl"] }
+actix-tls = { version = "3.4", features = ["openssl", "rustls-0_23-webpki-roots"] }
 actix-web = "4"
 
 async-stream = "0.3"
-criterion = { version = "0.3", features = ["html_reports"] }
-env_logger = "0.9"
-futures-util = { version = "0.3.7", default-features = false, features = ["alloc"] }
+criterion = { version = "0.5", features = ["html_reports"] }
+divan = "0.1.8"
+env_logger = "0.11"
+futures-util = { version = "0.3.17", default-features = false, features = ["alloc"] }
 memchr = "2.4"
 once_cell = "1.9"
-rcgen = "0.9"
+rcgen = "0.13"
 regex = "1.3"
 rustversion = "1"
-rustls-pemfile = "1"
+rustls-pemfile = "2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 static_assertions = "1"
-tls-openssl = { package = "openssl", version = "0.10.9" }
-tls-rustls = { package = "rustls", version = "0.20.0" }
-tokio = { version = "1.8.4", features = ["net", "rt", "macros"] }
+tls-openssl = { package = "openssl", version = "0.10.55" }
+tls-rustls_023 = { package = "rustls", version = "0.23" }
+tokio = { version = "1.24.2", features = ["net", "rt", "macros"] }
 
 [[example]]
 name = "ws"
-required-features = ["ws", "rustls"]
+required-features = ["ws", "rustls-0_23"]
+
+[[example]]
+name = "tls_rustls"
+required-features = ["http2", "rustls-0_23"]
 
 [[bench]]
-name = "write-camel-case"
+name = "response-body-compression"
 harness = false
+required-features = ["compress-brotli", "compress-gzip", "compress-zstd"]
 
 [[bench]]
-name = "status-line"
-harness = false
-
-[[bench]]
-name = "uninit-headers"
-harness = false
-
-[[bench]]
-name = "quality-value"
+name = "date-formatting"
 harness = false

actix-http/README.md

@@ -1,22 +1,21 @@
-# actix-http
+# `actix-http`
 
-> HTTP primitives for the Actix ecosystem.
+> HTTP types and services for the Actix ecosystem.
+
+<!-- prettier-ignore-start -->
 
 [![crates.io](https://img.shields.io/crates/v/actix-http?label=latest)](https://crates.io/crates/actix-http)
-[![Documentation](https://docs.rs/actix-http/badge.svg?version=3.2.1)](https://docs.rs/actix-http/3.2.1)
-![Version](https://img.shields.io/badge/rustc-1.57+-ab6000.svg)
+[![Documentation](https://docs.rs/actix-http/badge.svg?version=3.7.0)](https://docs.rs/actix-http/3.7.0)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http.svg)
 <br />
-[![dependency status](https://deps.rs/crate/actix-http/3.2.1/status.svg)](https://deps.rs/crate/actix-http/3.2.1)
+[![dependency status](https://deps.rs/crate/actix-http/3.7.0/status.svg)](https://deps.rs/crate/actix-http/3.7.0)
 [![Download](https://img.shields.io/crates/d/actix-http.svg)](https://crates.io/crates/actix-http)
 [![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
 
-## Documentation & Resources
+<!-- prettier-ignore-end -->
 
-- [API Documentation](https://docs.rs/actix-http)
-- Minimum Supported Rust Version (MSRV): 1.54
-
-## Example
+## Examples
 
 ```rust
 use std::{env, io};
@@ -49,18 +48,3 @@ async fn main() -> io::Result<()> {
         .await
 }
 ```
-
-## License
-
-This project is licensed under either of
-
-- Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0))
-- MIT license ([LICENSE-MIT](LICENSE-MIT) or [http://opensource.org/licenses/MIT](http://opensource.org/licenses/MIT))
-
-at your option.
-
-## Code of Conduct
-
-Contribution to the actix-http crate is organized under the terms of the
-Contributor Covenant, the maintainer of actix-http, @fafhrd91, promises to
-intervene to uphold that code of conduct.

actix-http/benches/date-formatting.rs

@@ -0,0 +1,20 @@
+use std::time::SystemTime;
+
+use actix_http::header::HttpDate;
+use divan::{black_box, AllocProfiler, Bencher};
+
+#[global_allocator]
+static ALLOC: AllocProfiler = AllocProfiler::system();
+
+#[divan::bench]
+fn date_formatting(b: Bencher<'_, '_>) {
+    let now = SystemTime::now();
+
+    b.bench(|| {
+        black_box(HttpDate::from(black_box(now)).to_string());
+    })
+}
+
+fn main() {
+    divan::main();
+}

actix-http/benches/quality-value.rs

@@ -1,95 +0,0 @@
-use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
-
-const CODES: &[u16] = &[0, 1000, 201, 800, 550];
-
-fn bench_quality_display_impls(c: &mut Criterion) {
-    let mut group = c.benchmark_group("quality value display impls");
-
-    for i in CODES.iter() {
-        group.bench_with_input(BenchmarkId::new("New (fast?)", i), i, |b, &i| {
-            b.iter(|| _new::Quality(i).to_string())
-        });
-
-        group.bench_with_input(BenchmarkId::new("Naive", i), i, |b, &i| {
-            b.iter(|| _naive::Quality(i).to_string())
-        });
-    }
-
-    group.finish();
-}
-
-criterion_group!(benches, bench_quality_display_impls);
-criterion_main!(benches);
-
-mod _new {
-    use std::fmt;
-
-    pub struct Quality(pub(crate) u16);
-
-    impl fmt::Display for Quality {
-        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-            match self.0 {
-                0 => f.write_str("0"),
-                1000 => f.write_str("1"),
-
-                // some number in the range 1–999
-                x => {
-                    f.write_str("0.")?;
-
-                    // this implementation avoids string allocation otherwise required
-                    // for `.trim_end_matches('0')`
-
-                    if x < 10 {
-                        f.write_str("00")?;
-                        // 0 is handled so it's not possible to have a trailing 0, we can just return
-                        itoa_fmt(f, x)
-                    } else if x < 100 {
-                        f.write_str("0")?;
-                        if x % 10 == 0 {
-                            // trailing 0, divide by 10 and write
-                            itoa_fmt(f, x / 10)
-                        } else {
-                            itoa_fmt(f, x)
-                        }
-                    } else {
-                        // x is in range 101–999
-
-                        if x % 100 == 0 {
-                            // two trailing 0s, divide by 100 and write
-                            itoa_fmt(f, x / 100)
-                        } else if x % 10 == 0 {
-                            // one trailing 0, divide by 10 and write
-                            itoa_fmt(f, x / 10)
-                        } else {
-                            itoa_fmt(f, x)
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    pub fn itoa_fmt<W: fmt::Write, V: itoa::Integer>(mut wr: W, value: V) -> fmt::Result {
-        let mut buf = itoa::Buffer::new();
-        wr.write_str(buf.format(value))
-    }
-}
-
-mod _naive {
-    use std::fmt;
-
-    pub struct Quality(pub(crate) u16);
-
-    impl fmt::Display for Quality {
-        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-            match self.0 {
-                0 => f.write_str("0"),
-                1000 => f.write_str("1"),
-
-                x => {
-                    write!(f, "{}", format!("{:03}", x).trim_end_matches('0'))
-                }
-            }
-        }
-    }
-}

actix-http/benches/response-body-compression.rs

@@ -0,0 +1,88 @@
+use std::convert::Infallible;
+
+use actix_http::{encoding::Encoder, ContentEncoding, Request, Response, StatusCode};
+use actix_service::{fn_service, Service as _};
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+static BODY: &[u8] = include_bytes!("../Cargo.toml");
+
+fn compression_responses(c: &mut Criterion) {
+    let mut group = c.benchmark_group("compression responses");
+
+    group.bench_function("identity", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Identity,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("gzip", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Gzip,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("br", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Brotli,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("zstd", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Zstd,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.finish();
+}
+
+criterion_group!(benches, compression_responses);
+criterion_main!(benches);

actix-http/benches/status-line.rs

@@ -1,214 +0,0 @@
-use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
-
-use bytes::BytesMut;
-use http::Version;
-
-const CODES: &[u16] = &[201, 303, 404, 515];
-
-fn bench_write_status_line_11(c: &mut Criterion) {
-    let mut group = c.benchmark_group("write_status_line v1.1");
-
-    let version = Version::HTTP_11;
-
-    for i in CODES.iter() {
-        group.bench_with_input(BenchmarkId::new("Original (unsafe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _original::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("New (safe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _new::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("Naive", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _naive::write_status_line(version, i, &mut b);
-            })
-        });
-    }
-
-    group.finish();
-}
-
-fn bench_write_status_line_10(c: &mut Criterion) {
-    let mut group = c.benchmark_group("write_status_line v1.0");
-
-    let version = Version::HTTP_10;
-
-    for i in CODES.iter() {
-        group.bench_with_input(BenchmarkId::new("Original (unsafe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _original::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("New (safe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _new::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("Naive", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _naive::write_status_line(version, i, &mut b);
-            })
-        });
-    }
-
-    group.finish();
-}
-
-fn bench_write_status_line_09(c: &mut Criterion) {
-    let mut group = c.benchmark_group("write_status_line v0.9");
-
-    let version = Version::HTTP_09;
-
-    for i in CODES.iter() {
-        group.bench_with_input(BenchmarkId::new("Original (unsafe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _original::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("New (safe)", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _new::write_status_line(version, i, &mut b);
-            })
-        });
-
-        group.bench_with_input(BenchmarkId::new("Naive", i), i, |b, &i| {
-            b.iter(|| {
-                let mut b = BytesMut::with_capacity(35);
-                _naive::write_status_line(version, i, &mut b);
-            })
-        });
-    }
-
-    group.finish();
-}
-
-criterion_group!(
-    benches,
-    bench_write_status_line_11,
-    bench_write_status_line_10,
-    bench_write_status_line_09
-);
-criterion_main!(benches);
-
-mod _naive {
-    use bytes::{BufMut, BytesMut};
-    use http::Version;
-
-    pub(crate) fn write_status_line(version: Version, n: u16, bytes: &mut BytesMut) {
-        match version {
-            Version::HTTP_11 => bytes.put_slice(b"HTTP/1.1 "),
-            Version::HTTP_10 => bytes.put_slice(b"HTTP/1.0 "),
-            Version::HTTP_09 => bytes.put_slice(b"HTTP/0.9 "),
-            _ => {
-                // other HTTP version handlers do not use this method
-            }
-        }
-
-        bytes.put_slice(n.to_string().as_bytes());
-    }
-}
-
-mod _new {
-    use bytes::{BufMut, BytesMut};
-    use http::Version;
-
-    const DIGITS_START: u8 = b'0';
-
-    pub(crate) fn write_status_line(version: Version, n: u16, bytes: &mut BytesMut) {
-        match version {
-            Version::HTTP_11 => bytes.put_slice(b"HTTP/1.1 "),
-            Version::HTTP_10 => bytes.put_slice(b"HTTP/1.0 "),
-            Version::HTTP_09 => bytes.put_slice(b"HTTP/0.9 "),
-            _ => {
-                // other HTTP version handlers do not use this method
-            }
-        }
-
-        let d100 = (n / 100) as u8;
-        let d10 = ((n / 10) % 10) as u8;
-        let d1 = (n % 10) as u8;
-
-        bytes.put_u8(DIGITS_START + d100);
-        bytes.put_u8(DIGITS_START + d10);
-        bytes.put_u8(DIGITS_START + d1);
-
-        bytes.put_u8(b' ');
-    }
-}
-
-mod _original {
-    use std::ptr;
-
-    use bytes::{BufMut, BytesMut};
-    use http::Version;
-
-    const DEC_DIGITS_LUT: &[u8] = b"0001020304050607080910111213141516171819\
-        2021222324252627282930313233343536373839\
-        4041424344454647484950515253545556575859\
-        6061626364656667686970717273747576777879\
-        8081828384858687888990919293949596979899";
-
-    pub(crate) const STATUS_LINE_BUF_SIZE: usize = 13;
-
-    pub(crate) fn write_status_line(version: Version, mut n: u16, bytes: &mut BytesMut) {
-        let mut buf: [u8; STATUS_LINE_BUF_SIZE] = *b"HTTP/1.1     ";
-
-        match version {
-            Version::HTTP_2 => buf[5] = b'2',
-            Version::HTTP_10 => buf[7] = b'0',
-            Version::HTTP_09 => {
-                buf[5] = b'0';
-                buf[7] = b'9';
-            }
-            _ => {}
-        }
-
-        let mut curr: isize = 12;
-        let buf_ptr = buf.as_mut_ptr();
-        let lut_ptr = DEC_DIGITS_LUT.as_ptr();
-        let four = n > 999;
-
-        // decode 2 more chars, if > 2 chars
-        let d1 = (n % 100) << 1;
-        n /= 100;
-        curr -= 2;
-        unsafe {
-            ptr::copy_nonoverlapping(lut_ptr.offset(d1 as isize), buf_ptr.offset(curr), 2);
-        }
-
-        // decode last 1 or 2 chars
-        if n < 10 {
-            curr -= 1;
-            unsafe {
-                *buf_ptr.offset(curr) = (n as u8) + b'0';
-            }
-        } else {
-            let d1 = n << 1;
-            curr -= 2;
-            unsafe {
-                ptr::copy_nonoverlapping(lut_ptr.offset(d1 as isize), buf_ptr.offset(curr), 2);
-            }
-        }
-
-        bytes.put_slice(&buf);
-        if four {
-            bytes.put_u8(b' ');
-        }
-    }
-}

actix-http/benches/uninit-headers.rs

@@ -1,135 +0,0 @@
-use criterion::{criterion_group, criterion_main, Criterion};
-
-use bytes::BytesMut;
-
-// A Miri run detects UB, seen on this playground:
-// https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=f5d9aa166aa48df8dca05fce2b6c3915
-
-fn bench_header_parsing(c: &mut Criterion) {
-    c.bench_function("Original (Unsound) [short]", |b| {
-        b.iter(|| {
-            let mut buf = BytesMut::from(REQ_SHORT);
-            _original::parse_headers(&mut buf);
-        })
-    });
-
-    c.bench_function("New (safe) [short]", |b| {
-        b.iter(|| {
-            let mut buf = BytesMut::from(REQ_SHORT);
-            _new::parse_headers(&mut buf);
-        })
-    });
-
-    c.bench_function("Original (Unsound) [realistic]", |b| {
-        b.iter(|| {
-            let mut buf = BytesMut::from(REQ);
-            _original::parse_headers(&mut buf);
-        })
-    });
-
-    c.bench_function("New (safe) [realistic]", |b| {
-        b.iter(|| {
-            let mut buf = BytesMut::from(REQ);
-            _new::parse_headers(&mut buf);
-        })
-    });
-}
-
-criterion_group!(benches, bench_header_parsing);
-criterion_main!(benches);
-
-const MAX_HEADERS: usize = 96;
-
-const EMPTY_HEADER_ARRAY: [httparse::Header<'static>; MAX_HEADERS] =
-    [httparse::EMPTY_HEADER; MAX_HEADERS];
-
-#[derive(Clone, Copy)]
-struct HeaderIndex {
-    name: (usize, usize),
-    value: (usize, usize),
-}
-
-const EMPTY_HEADER_INDEX: HeaderIndex = HeaderIndex {
-    name: (0, 0),
-    value: (0, 0),
-};
-
-const EMPTY_HEADER_INDEX_ARRAY: [HeaderIndex; MAX_HEADERS] = [EMPTY_HEADER_INDEX; MAX_HEADERS];
-
-impl HeaderIndex {
-    fn record(bytes: &[u8], headers: &[httparse::Header<'_>], indices: &mut [HeaderIndex]) {
-        let bytes_ptr = bytes.as_ptr() as usize;
-        for (header, indices) in headers.iter().zip(indices.iter_mut()) {
-            let name_start = header.name.as_ptr() as usize - bytes_ptr;
-            let name_end = name_start + header.name.len();
-            indices.name = (name_start, name_end);
-            let value_start = header.value.as_ptr() as usize - bytes_ptr;
-            let value_end = value_start + header.value.len();
-            indices.value = (value_start, value_end);
-        }
-    }
-}
-
-// test cases taken from:
-// https://github.com/seanmonstar/httparse/blob/master/benches/parse.rs
-
-const REQ_SHORT: &[u8] = b"\
-GET / HTTP/1.0\r\n\
-Host: example.com\r\n\
-Cookie: session=60; user_id=1\r\n\r\n";
-
-const REQ: &[u8] = b"\
-GET /wp-content/uploads/2010/03/hello-kitty-darth-vader-pink.jpg HTTP/1.1\r\n\
-Host: www.kittyhell.com\r\n\
-User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; ja-JP-mac; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Pathtraq/0.9\r\n\
-Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n\
-Accept-Language: ja,en-us;q=0.7,en;q=0.3\r\n\
-Accept-Encoding: gzip,deflate\r\n\
-Accept-Charset: Shift_JIS,utf-8;q=0.7,*;q=0.7\r\n\
-Keep-Alive: 115\r\n\
-Connection: keep-alive\r\n\
-Cookie: wp_ozh_wsa_visits=2; wp_ozh_wsa_visit_lasttime=xxxxxxxxxx; __utma=xxxxxxxxx.xxxxxxxxxx.xxxxxxxxxx.xxxxxxxxxx.xxxxxxxxxx.x; __utmz=xxxxxxxxx.xxxxxxxxxx.x.x.utmccn=(referral)|utmcsr=reader.livedoor.com|utmcct=/reader/|utmcmd=referral|padding=under256\r\n\r\n";
-
-mod _new {
-    use super::*;
-
-    pub fn parse_headers(src: &mut BytesMut) -> usize {
-        let mut headers: [HeaderIndex; MAX_HEADERS] = EMPTY_HEADER_INDEX_ARRAY;
-        let mut parsed: [httparse::Header<'_>; MAX_HEADERS] = EMPTY_HEADER_ARRAY;
-
-        let mut req = httparse::Request::new(&mut parsed);
-        match req.parse(src).unwrap() {
-            httparse::Status::Complete(_len) => {
-                HeaderIndex::record(src, req.headers, &mut headers);
-                req.headers.len()
-            }
-            _ => unreachable!(),
-        }
-    }
-}
-
-mod _original {
-    use super::*;
-
-    use std::mem::MaybeUninit;
-
-    pub fn parse_headers(src: &mut BytesMut) -> usize {
-        #![allow(invalid_value, clippy::uninit_assumed_init)]
-
-        let mut headers: [HeaderIndex; MAX_HEADERS] =
-            unsafe { MaybeUninit::uninit().assume_init() };
-
-        #[allow(invalid_value)]
-        let mut parsed: [httparse::Header<'_>; MAX_HEADERS] =
-            unsafe { MaybeUninit::uninit().assume_init() };
-
-        let mut req = httparse::Request::new(&mut parsed);
-        match req.parse(src).unwrap() {
-            httparse::Status::Complete(_len) => {
-                HeaderIndex::record(src, req.headers, &mut headers);
-                req.headers.len()
-            }
-            _ => unreachable!(),
-        }
-    }
-}

actix-http/benches/write-camel-case.rs

@@ -1,93 +0,0 @@
-use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
-
-fn bench_write_camel_case(c: &mut Criterion) {
-    let mut group = c.benchmark_group("write_camel_case");
-
-    let names = ["connection", "Transfer-Encoding", "transfer-encoding"];
-
-    for &i in &names {
-        let bts = i.as_bytes();
-
-        group.bench_with_input(BenchmarkId::new("Original", i), bts, |b, bts| {
-            b.iter(|| {
-                let mut buf = black_box([0; 24]);
-                _original::write_camel_case(black_box(bts), &mut buf)
-            });
-        });
-
-        group.bench_with_input(BenchmarkId::new("New", i), bts, |b, bts| {
-            b.iter(|| {
-                let mut buf = black_box([0; 24]);
-                let len = black_box(bts.len());
-                _new::write_camel_case(black_box(bts), buf.as_mut_ptr(), len)
-            });
-        });
-    }
-
-    group.finish();
-}
-
-criterion_group!(benches, bench_write_camel_case);
-criterion_main!(benches);
-
-mod _new {
-    pub fn write_camel_case(value: &[u8], buf: *mut u8, len: usize) {
-        // first copy entire (potentially wrong) slice to output
-        let buffer = unsafe {
-            std::ptr::copy_nonoverlapping(value.as_ptr(), buf, len);
-            std::slice::from_raw_parts_mut(buf, len)
-        };
-
-        let mut iter = value.iter();
-
-        // first character should be uppercase
-        if let Some(c @ b'a'..=b'z') = iter.next() {
-            buffer[0] = c & 0b1101_1111;
-        }
-
-        // track 1 ahead of the current position since that's the location being assigned to
-        let mut index = 2;
-
-        // remaining characters after hyphens should also be uppercase
-        while let Some(&c) = iter.next() {
-            if c == b'-' {
-                // advance iter by one and uppercase if needed
-                if let Some(c @ b'a'..=b'z') = iter.next() {
-                    buffer[index] = c & 0b1101_1111;
-                }
-            }
-
-            index += 1;
-        }
-    }
-}
-
-mod _original {
-    pub fn write_camel_case(value: &[u8], buffer: &mut [u8]) {
-        let mut index = 0;
-        let key = value;
-        let mut key_iter = key.iter();
-
-        if let Some(c) = key_iter.next() {
-            if *c >= b'a' && *c <= b'z' {
-                buffer[index] = *c ^ b' ';
-                index += 1;
-            }
-        } else {
-            return;
-        }
-
-        while let Some(c) = key_iter.next() {
-            buffer[index] = *c;
-            index += 1;
-            if *c == b'-' {
-                if let Some(c) = key_iter.next() {
-                    if *c >= b'a' && *c <= b'z' {
-                        buffer[index] = *c ^ b' ';
-                        index += 1;
-                    }
-                }
-            }
-        }
-    }
-}

actix-http/examples/h2c-detect.rs

@@ -0,0 +1,34 @@
+//! An example that supports automatic selection of plaintext h1/h2c connections.
+//!
+//! Notably, both the following commands will work.
+//! ```console
+//! $ curl --http1.1 'http://localhost:8080/'
+//! $ curl --http2-prior-knowledge 'http://localhost:8080/'
+//! ```
+
+use std::{convert::Infallible, io};
+
+use actix_http::{body::BodyStream, HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("h2c-detect", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .finish(|_req: Request| async move {
+                    Ok::<_, Infallible>(Response::build(StatusCode::OK).body(BodyStream::new(
+                        futures_util::stream::iter([
+                            Ok::<_, String>("123".into()),
+                            Err("wertyuikmnbvcxdfty6t".to_owned()),
+                        ]),
+                    )))
+                })
+                .tcp_auto_h2c()
+        })?
+        .workers(2)
+        .run()
+        .await
+}

actix-http/examples/hello-world.rs

@@ -23,10 +23,7 @@ async fn main() -> io::Result<()> {
                     res.insert_header(("x-head", HeaderValue::from_static("dummy value!")));
 
                     let forty_two = req.conn_data::<u32>().unwrap().to_string();
-                    res.insert_header((
-                        "x-forty-two",
-                        HeaderValue::from_str(&forty_two).unwrap(),
-                    ));
+                    res.insert_header(("x-forty-two", HeaderValue::from_str(&forty_two).unwrap()));
 
                     Ok::<_, Infallible>(res.body("Hello world!"))
                 })

actix-http/examples/tls_rustls.rs

@@ -0,0 +1,76 @@
+//! Demonstrates TLS configuration (via Rustls) for HTTP/1.1 and HTTP/2 connections.
+//!
+//! Test using cURL:
+//!
+//! ```console
+//! $ curl --insecure https://127.0.0.1:8443
+//! Hello World!
+//! Protocol: HTTP/2.0
+//!
+//! $ curl --insecure --http1.1 https://127.0.0.1:8443
+//! Hello World!
+//! Protocol: HTTP/1.1
+//! ```
+
+extern crate tls_rustls_023 as rustls;
+
+use std::io;
+
+use actix_http::{Error, HttpService, Request, Response};
+use actix_utils::future::ok;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    tracing::info!("starting HTTP server at https://127.0.0.1:8443");
+
+    actix_server::Server::build()
+        .bind("echo", ("127.0.0.1", 8443), || {
+            HttpService::build()
+                .finish(|req: Request| {
+                    let body = format!(
+                        "Hello World!\n\
+                        Protocol: {:?}",
+                        req.head().version
+                    );
+                    ok::<_, Error>(Response::ok().set_body(body))
+                })
+                .rustls_0_23(rustls_config())
+        })?
+        .run()
+        .await
+}
+
+fn rustls_config() -> rustls::ServerConfig {
+    let rcgen::CertifiedKey { cert, key_pair } =
+        rcgen::generate_simple_self_signed(["localhost".to_owned()]).unwrap();
+    let cert_file = cert.pem();
+    let key_file = key_pair.serialize_pem();
+
+    let cert_file = &mut io::BufReader::new(cert_file.as_bytes());
+    let key_file = &mut io::BufReader::new(key_file.as_bytes());
+
+    let cert_chain = rustls_pemfile::certs(cert_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
+    let mut keys = rustls_pemfile::pkcs8_private_keys(key_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
+
+    let mut config = rustls::ServerConfig::builder()
+        .with_no_client_auth()
+        .with_single_cert(
+            cert_chain,
+            rustls::pki_types::PrivateKeyDer::Pkcs8(keys.remove(0)),
+        )
+        .unwrap();
+
+    const H1_ALPN: &[u8] = b"http/1.1";
+    const H2_ALPN: &[u8] = b"h2";
+
+    config.alpn_protocols.push(H2_ALPN.to_vec());
+    config.alpn_protocols.push(H1_ALPN.to_vec());
+
+    config
+}

actix-http/examples/ws.rs

@@ -1,7 +1,7 @@
 //! Sets up a WebSocket server over TCP and TLS.
 //! Sends a heartbeat message every 4 seconds but does not respond to any incoming frames.
 
-extern crate tls_rustls as rustls;
+extern crate tls_rustls_023 as rustls;
 
 use std::{
     io,
@@ -10,13 +10,13 @@ use std::{
     time::Duration,
 };
 
-use actix_codec::Encoder;
 use actix_http::{body::BodyStream, error::Error, ws, HttpService, Request, Response};
 use actix_rt::time::{interval, Interval};
 use actix_server::Server;
 use bytes::{Bytes, BytesMut};
 use bytestring::ByteString;
 use futures_core::{ready, Stream};
+use tokio_util::codec::Encoder;
 use tracing::{info, trace};
 
 #[actix_rt::main]
@@ -28,7 +28,9 @@ async fn main() -> io::Result<()> {
             HttpService::build().h1(handler).tcp()
         })?
         .bind("tls", ("127.0.0.1", 8443), || {
-            HttpService::build().finish(handler).rustls(tls_config())
+            HttpService::build()
+                .finish(handler)
+                .rustls_0_23(tls_config())
         })?
         .run()
         .await
@@ -83,27 +85,27 @@ impl Stream for Heartbeat {
 fn tls_config() -> rustls::ServerConfig {
     use std::io::BufReader;
 
-    use rustls::{Certificate, PrivateKey};
     use rustls_pemfile::{certs, pkcs8_private_keys};
 
-    let cert = rcgen::generate_simple_self_signed(vec!["localhost".to_owned()]).unwrap();
-    let cert_file = cert.serialize_pem().unwrap();
-    let key_file = cert.serialize_private_key_pem();
+    let rcgen::CertifiedKey { cert, key_pair } =
+        rcgen::generate_simple_self_signed(["localhost".to_owned()]).unwrap();
+    let cert_file = cert.pem();
+    let key_file = key_pair.serialize_pem();
 
     let cert_file = &mut BufReader::new(cert_file.as_bytes());
     let key_file = &mut BufReader::new(key_file.as_bytes());
 
-    let cert_chain = certs(cert_file)
-        .unwrap()
-        .into_iter()
-        .map(Certificate)
-        .collect();
-    let mut keys = pkcs8_private_keys(key_file).unwrap();
+    let cert_chain = certs(cert_file).collect::<Result<Vec<_>, _>>().unwrap();
+    let mut keys = pkcs8_private_keys(key_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
 
     let mut config = rustls::ServerConfig::builder()
-        .with_safe_defaults()
         .with_no_client_auth()
-        .with_single_cert(cert_chain, PrivateKey(keys.remove(0)))
+        .with_single_cert(
+            cert_chain,
+            rustls::pki_types::PrivateKeyDer::Pkcs8(keys.remove(0)),
+        )
         .unwrap();
 
     config.alpn_protocols.push(b"http/1.1".to_vec());

actix-http/src/body/body_stream.rs

@@ -47,9 +47,8 @@ where
 
     /// Attempts to pull out the next value of the underlying [`Stream`].
     ///
-    /// Empty values are skipped to prevent [`BodyStream`]'s transmission being
-    /// ended on a zero-length chunk, but rather proceed until the underlying
-    /// [`Stream`] ends.
+    /// Empty values are skipped to prevent [`BodyStream`]'s transmission being ended on a
+    /// zero-length chunk, but rather proceed until the underlying [`Stream`] ends.
     fn poll_next(
         mut self: Pin<&mut Self>,
         cx: &mut Context<'_>,

actix-http/src/body/boxed.rs

@@ -77,12 +77,8 @@ impl MessageBody for BoxBody {
         cx: &mut Context<'_>,
     ) -> Poll<Option<Result<Bytes, Self::Error>>> {
         match &mut self.0 {
-            BoxBodyInner::None(body) => {
-                Pin::new(body).poll_next(cx).map_err(|err| match err {})
-            }
-            BoxBodyInner::Bytes(body) => {
-                Pin::new(body).poll_next(cx).map_err(|err| match err {})
-            }
+            BoxBodyInner::None(body) => Pin::new(body).poll_next(cx).map_err(|err| match err {}),
+            BoxBodyInner::Bytes(body) => Pin::new(body).poll_next(cx).map_err(|err| match err {}),
             BoxBodyInner::Stream(body) => Pin::new(body).poll_next(cx),
         }
     }
@@ -104,7 +100,6 @@ impl MessageBody for BoxBody {
 
 #[cfg(test)]
 mod tests {
-
     use static_assertions::{assert_impl_all, assert_not_impl_any};
 
     use super::*;

actix-http/src/body/message_body.rs

@@ -120,8 +120,28 @@ pub trait MessageBody {
 }
 
 mod foreign_impls {
+    use std::{borrow::Cow, ops::DerefMut};
+
     use super::*;
 
+    impl<B> MessageBody for &mut B
+    where
+        B: MessageBody + Unpin + ?Sized,
+    {
+        type Error = B::Error;
+
+        fn size(&self) -> BodySize {
+            (**self).size()
+        }
+
+        fn poll_next(
+            mut self: Pin<&mut Self>,
+            cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            Pin::new(&mut **self).poll_next(cx)
+        }
+    }
+
     impl MessageBody for Infallible {
         type Error = Infallible;
 
@@ -179,8 +199,9 @@ mod foreign_impls {
         }
     }
 
-    impl<B> MessageBody for Pin<Box<B>>
+    impl<T, B> MessageBody for Pin<T>
     where
+        T: DerefMut<Target = B> + Unpin,
         B: MessageBody + ?Sized,
     {
         type Error = B::Error;
@@ -303,6 +324,39 @@ mod foreign_impls {
         }
     }
 
+    impl MessageBody for Cow<'static, [u8]> {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let bytes = match mem::take(self.get_mut()) {
+                    Cow::Borrowed(b) => Bytes::from_static(b),
+                    Cow::Owned(b) => Bytes::from(b),
+                };
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            match self {
+                Cow::Borrowed(b) => Ok(Bytes::from_static(b)),
+                Cow::Owned(b) => Ok(Bytes::from(b)),
+            }
+        }
+    }
+
     impl MessageBody for &'static str {
         type Error = Infallible;
 
@@ -358,6 +412,39 @@ mod foreign_impls {
         }
     }
 
+    impl MessageBody for Cow<'static, str> {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let bytes = match mem::take(self.get_mut()) {
+                    Cow::Borrowed(s) => Bytes::from_static(s.as_bytes()),
+                    Cow::Owned(s) => Bytes::from(s.into_bytes()),
+                };
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            match self {
+                Cow::Borrowed(s) => Ok(Bytes::from_static(s.as_bytes())),
+                Cow::Owned(s) => Ok(Bytes::from(s.into_bytes())),
+            }
+        }
+    }
+
     impl MessageBody for bytestring::ByteString {
         type Error = Infallible;
 
@@ -444,7 +531,7 @@ where
 mod tests {
     use actix_rt::pin;
     use actix_utils::future::poll_fn;
-    use bytes::{Bytes, BytesMut};
+    use futures_util::stream;
 
     use super::*;
     use crate::body::{self, EitherBody};
@@ -467,6 +554,7 @@ mod tests {
         };
     }
 
+    #[allow(unused_allocation)] // triggered by `Box::new(()).size()`
     #[actix_rt::test]
     async fn boxing_equivalence() {
         assert_eq!(().size(), BodySize::Sized(0));
@@ -481,6 +569,34 @@ mod tests {
         assert_poll_next_none!(pl);
     }
 
+    #[actix_rt::test]
+    async fn mut_equivalence() {
+        assert_eq!(().size(), BodySize::Sized(0));
+        assert_eq!(().size(), (&(&mut ())).size());
+
+        let pl = &mut ();
+        pin!(pl);
+        assert_poll_next_none!(pl);
+
+        let pl = &mut Box::new(());
+        pin!(pl);
+        assert_poll_next_none!(pl);
+
+        let mut body = body::SizedStream::new(
+            8,
+            stream::iter([
+                Ok::<_, std::io::Error>(Bytes::from("1234")),
+                Ok(Bytes::from("5678")),
+            ]),
+        );
+        let body = &mut body;
+        assert_eq!(body.size(), BodySize::Sized(8));
+        pin!(body);
+        assert_poll_next!(body, Bytes::from_static(b"1234"));
+        assert_poll_next!(body, Bytes::from_static(b"5678"));
+        assert_poll_next_none!(body);
+    }
+
     #[allow(clippy::let_unit_value)]
     #[actix_rt::test]
     async fn test_unit() {
@@ -607,4 +723,18 @@ mod tests {
         let not_body = resp_body.downcast_ref::<()>();
         assert!(not_body.is_none());
     }
+
+    #[actix_rt::test]
+    async fn non_owning_to_bytes() {
+        let mut body = BoxBody::new(());
+        let bytes = body::to_bytes(&mut body).await.unwrap();
+        assert_eq!(bytes, Bytes::new());
+
+        let mut body = body::BodyStream::new(stream::iter([
+            Ok::<_, std::io::Error>(Bytes::from("1234")),
+            Ok(Bytes::from("5678")),
+        ]));
+        let bytes = body::to_bytes(&mut body).await.unwrap();
+        assert_eq!(bytes, Bytes::from_static(b"12345678"));
+    }
 }

actix-http/src/body/mod.rs

@@ -14,12 +14,14 @@ mod size;
 mod sized_stream;
 mod utils;
 
-pub use self::body_stream::BodyStream;
-pub use self::boxed::BoxBody;
-pub use self::either::EitherBody;
-pub use self::message_body::MessageBody;
 pub(crate) use self::message_body::MessageBodyMapErr;
-pub use self::none::None;
-pub use self::size::BodySize;
-pub use self::sized_stream::SizedStream;
-pub use self::utils::to_bytes;
+pub use self::{
+    body_stream::BodyStream,
+    boxed::BoxBody,
+    either::EitherBody,
+    message_body::MessageBody,
+    none::None,
+    size::BodySize,
+    sized_stream::SizedStream,
+    utils::{to_bytes, to_bytes_limited, BodyLimitExceeded},
+};

actix-http/src/body/sized_stream.rs

@@ -44,7 +44,7 @@ where
 
     #[inline]
     fn size(&self) -> BodySize {
-        BodySize::Sized(self.size as u64)
+        BodySize::Sized(self.size)
     }
 
     /// Attempts to pull out the next value of the underlying [`Stream`].

actix-http/src/body/utils.rs

@@ -3,75 +3,196 @@ use std::task::Poll;
 use actix_rt::pin;
 use actix_utils::future::poll_fn;
 use bytes::{Bytes, BytesMut};
+use derive_more::{Display, Error};
 use futures_core::ready;
 
 use super::{BodySize, MessageBody};
 
-/// Collects the body produced by a `MessageBody` implementation into `Bytes`.
+/// Collects all the bytes produced by `body`.
 ///
 /// Any errors produced by the body stream are returned immediately.
 ///
+/// Consider using [`to_bytes_limited`] instead to protect against memory exhaustion.
+///
 /// # Examples
+///
 /// ```
 /// use actix_http::body::{self, to_bytes};
 /// use bytes::Bytes;
 ///
-/// # async fn test_to_bytes() {
+/// # actix_rt::System::new().block_on(async {
 /// let body = body::None::new();
 /// let bytes = to_bytes(body).await.unwrap();
 /// assert!(bytes.is_empty());
 ///
 /// let body = Bytes::from_static(b"123");
 /// let bytes = to_bytes(body).await.unwrap();
-/// assert_eq!(bytes, b"123"[..]);
-/// # }
+/// assert_eq!(bytes, "123");
+/// # });
 /// ```
 pub async fn to_bytes<B: MessageBody>(body: B) -> Result<Bytes, B::Error> {
+    to_bytes_limited(body, usize::MAX)
+        .await
+        .expect("body should never yield more than usize::MAX bytes")
+}
+
+/// Error type returned from [`to_bytes_limited`] when body produced exceeds limit.
+#[derive(Debug, Display, Error)]
+#[display(fmt = "limit exceeded while collecting body bytes")]
+#[non_exhaustive]
+pub struct BodyLimitExceeded;
+
+/// Collects the bytes produced by `body`, up to `limit` bytes.
+///
+/// If a chunk read from `poll_next` causes the total number of bytes read to exceed `limit`, an
+/// `Err(BodyLimitExceeded)` is returned.
+///
+/// Any errors produced by the body stream are returned immediately as `Ok(Err(B::Error))`.
+///
+/// # Examples
+///
+/// ```
+/// use actix_http::body::{self, to_bytes_limited};
+/// use bytes::Bytes;
+///
+/// # actix_rt::System::new().block_on(async {
+/// let body = body::None::new();
+/// let bytes = to_bytes_limited(body, 10).await.unwrap().unwrap();
+/// assert!(bytes.is_empty());
+///
+/// let body = Bytes::from_static(b"123");
+/// let bytes = to_bytes_limited(body, 10).await.unwrap().unwrap();
+/// assert_eq!(bytes, "123");
+///
+/// let body = Bytes::from_static(b"123");
+/// assert!(to_bytes_limited(body, 2).await.is_err());
+/// # });
+/// ```
+pub async fn to_bytes_limited<B: MessageBody>(
+    body: B,
+    limit: usize,
+) -> Result<Result<Bytes, B::Error>, BodyLimitExceeded> {
+    /// Sensible default (32kB) for initial, bounded allocation when collecting body bytes.
+    const INITIAL_ALLOC_BYTES: usize = 32 * 1024;
+
     let cap = match body.size() {
-        BodySize::None | BodySize::Sized(0) => return Ok(Bytes::new()),
-        BodySize::Sized(size) => size as usize,
-        // good enough first guess for chunk size
-        BodySize::Stream => 32_768,
+        BodySize::None | BodySize::Sized(0) => return Ok(Ok(Bytes::new())),
+        BodySize::Sized(size) if size as usize > limit => return Err(BodyLimitExceeded),
+        BodySize::Sized(size) => (size as usize).min(INITIAL_ALLOC_BYTES),
+        BodySize::Stream => INITIAL_ALLOC_BYTES,
     };
 
+    let mut exceeded_limit = false;
     let mut buf = BytesMut::with_capacity(cap);
 
     pin!(body);
 
-    poll_fn(|cx| loop {
+    match poll_fn(|cx| loop {
         let body = body.as_mut();
 
         match ready!(body.poll_next(cx)) {
-            Some(Ok(bytes)) => buf.extend_from_slice(&*bytes),
+            Some(Ok(bytes)) => {
+                // if limit is exceeded...
+                if buf.len() + bytes.len() > limit {
+                    // ...set flag to true and break out of poll_fn
+                    exceeded_limit = true;
+                    return Poll::Ready(Ok(()));
+                }
+
+                buf.extend_from_slice(&bytes)
+            }
             None => return Poll::Ready(Ok(())),
             Some(Err(err)) => return Poll::Ready(Err(err)),
         }
     })
-    .await?;
+    .await
+    {
+        // propagate error returned from body poll
+        Err(err) => Ok(Err(err)),
 
-    Ok(buf.freeze())
+        // limit was exceeded while reading body
+        Ok(()) if exceeded_limit => Err(BodyLimitExceeded),
+
+        // otherwise return body buffer
+        Ok(()) => Ok(Ok(buf.freeze())),
+    }
 }
 
 #[cfg(test)]
-mod test {
+mod tests {
+    use std::io;
+
     use futures_util::{stream, StreamExt as _};
 
     use super::*;
-    use crate::{body::BodyStream, Error};
+    use crate::{
+        body::{BodyStream, SizedStream},
+        Error,
+    };
 
     #[actix_rt::test]
-    async fn test_to_bytes() {
+    async fn to_bytes_complete() {
         let bytes = to_bytes(()).await.unwrap();
         assert!(bytes.is_empty());
 
         let body = Bytes::from_static(b"123");
         let bytes = to_bytes(body).await.unwrap();
         assert_eq!(bytes, b"123"[..]);
+    }
 
+    #[actix_rt::test]
+    async fn to_bytes_streams() {
         let stream = stream::iter(vec![Bytes::from_static(b"123"), Bytes::from_static(b"abc")])
             .map(Ok::<_, Error>);
         let body = BodyStream::new(stream);
         let bytes = to_bytes(body).await.unwrap();
         assert_eq!(bytes, b"123abc"[..]);
     }
+
+    #[actix_rt::test]
+    async fn to_bytes_limited_complete() {
+        let bytes = to_bytes_limited((), 0).await.unwrap().unwrap();
+        assert!(bytes.is_empty());
+
+        let bytes = to_bytes_limited((), 1).await.unwrap().unwrap();
+        assert!(bytes.is_empty());
+
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 0)
+            .await
+            .is_err());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 1)
+            .await
+            .is_err());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 2).await.is_ok());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 3).await.is_ok());
+    }
+
+    #[actix_rt::test]
+    async fn to_bytes_limited_streams() {
+        // hinting a larger body fails
+        let body = SizedStream::new(8, stream::empty().map(Ok::<_, Error>));
+        assert!(to_bytes_limited(body, 3).await.is_err());
+
+        // hinting a smaller body is okay
+        let body = SizedStream::new(3, stream::empty().map(Ok::<_, Error>));
+        assert!(to_bytes_limited(body, 3).await.unwrap().unwrap().is_empty());
+
+        // hinting a smaller body then returning a larger one fails
+        let stream = stream::iter(vec![Bytes::from_static(b"1234")]).map(Ok::<_, Error>);
+        let body = SizedStream::new(3, stream);
+        assert!(to_bytes_limited(body, 3).await.is_err());
+
+        let stream = stream::iter(vec![Bytes::from_static(b"123"), Bytes::from_static(b"abc")])
+            .map(Ok::<_, Error>);
+        let body = BodyStream::new(stream);
+        assert!(to_bytes_limited(body, 3).await.is_err());
+    }
+
+    #[actix_rt::test]
+    async fn to_body_limit_error() {
+        let err_stream = stream::once(async { Err(io::Error::new(io::ErrorKind::Other, "")) });
+        let body = SizedStream::new(8, err_stream);
+        // not too big, but propagates error from body stream
+        assert!(to_bytes_limited(body, 10).await.unwrap().is_err());
+    }
 }

actix-http/src/builder.rs

@@ -186,7 +186,7 @@ where
         self
     }
 
-    /// Finish service configuration and create a HTTP Service for HTTP/1 protocol.
+    /// Finish service configuration and create a service for the HTTP/1 protocol.
     pub fn h1<F, B>(self, service: F) -> H1Service<T, S, B, X, U>
     where
         B: MessageBody,
@@ -209,7 +209,7 @@ where
             .on_connect_ext(self.on_connect_ext)
     }
 
-    /// Finish service configuration and create a HTTP service for HTTP/2 protocol.
+    /// Finish service configuration and create a service for the HTTP/2 protocol.
     #[cfg(feature = "http2")]
     pub fn h2<F, B>(self, service: F) -> crate::h2::H2Service<T, S, B>
     where

actix-http/src/config.rs

@@ -35,7 +35,7 @@ impl Default for ServiceConfig {
 }
 
 impl ServiceConfig {
-    /// Create instance of `ServiceConfig`
+    /// Create instance of `ServiceConfig`.
     pub fn new(
         keep_alive: KeepAlive,
         client_request_timeout: Duration,
@@ -132,15 +132,15 @@ impl ServiceConfig {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
-    use crate::{date::DATE_VALUE_LENGTH, notify_on_drop};
-
     use actix_rt::{
         task::yield_now,
         time::{sleep, sleep_until},
     };
     use memchr::memmem;
 
+    use super::*;
+    use crate::{date::DATE_VALUE_LENGTH, notify_on_drop};
+
     #[actix_rt::test]
     async fn test_date_service_update() {
         let settings =

actix-http/src/date.rs

@@ -28,7 +28,7 @@ impl Date {
 
     fn update(&mut self) {
         self.pos = 0;
-        write!(self, "{}", httpdate::fmt_http_date(SystemTime::now())).unwrap();
+        write!(self, "{}", httpdate::HttpDate::from(SystemTime::now())).unwrap();
     }
 }
 

actix-http/src/encoding/decoder.rs

@@ -9,11 +9,9 @@ use std::{
 
 use actix_rt::task::{spawn_blocking, JoinHandle};
 use bytes::Bytes;
-use futures_core::{ready, Stream};
-
 #[cfg(feature = "compress-gzip")]
 use flate2::write::{GzDecoder, ZlibDecoder};
-
+use futures_core::{ready, Stream};
 #[cfg(feature = "compress-zstd")]
 use zstd::stream::write::Decoder as ZstdDecoder;
 
@@ -49,9 +47,9 @@ where
             ))),
 
             #[cfg(feature = "compress-gzip")]
-            ContentEncoding::Deflate => Some(ContentDecoder::Deflate(Box::new(
-                ZlibDecoder::new(Writer::new()),
-            ))),
+            ContentEncoding::Deflate => Some(ContentDecoder::Deflate(Box::new(ZlibDecoder::new(
+                Writer::new(),
+            )))),
 
             #[cfg(feature = "compress-gzip")]
             ContentEncoding::Gzip => Some(ContentDecoder::Gzip(Box::new(GzDecoder::new(
@@ -193,7 +191,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-gzip")]
@@ -207,7 +205,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-gzip")]
@@ -220,7 +218,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-zstd")]
@@ -233,7 +231,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
         }
     }
@@ -252,7 +250,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-gzip")]
@@ -267,7 +265,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-gzip")]
@@ -282,7 +280,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
 
             #[cfg(feature = "compress-zstd")]
@@ -297,7 +295,7 @@ impl ContentDecoder {
                         Ok(None)
                     }
                 }
-                Err(e) => Err(e),
+                Err(err) => Err(err),
             },
         }
     }

actix-http/src/encoding/encoder.rs

@@ -11,12 +11,10 @@ use std::{
 use actix_rt::task::{spawn_blocking, JoinHandle};
 use bytes::Bytes;
 use derive_more::Display;
-use futures_core::ready;
-use pin_project_lite::pin_project;
-
 #[cfg(feature = "compress-gzip")]
 use flate2::write::{GzEncoder, ZlibEncoder};
-
+use futures_core::ready;
+use pin_project_lite::pin_project;
 use tracing::trace;
 #[cfg(feature = "compress-zstd")]
 use zstd::stream::write::Encoder as ZstdEncoder;
@@ -52,10 +50,21 @@ impl<B: MessageBody> Encoder<B> {
         }
     }
 
+    fn empty() -> Self {
+        Encoder {
+            body: EncoderBody::Full { body: Bytes::new() },
+            encoder: None,
+            fut: None,
+            eof: true,
+        }
+    }
+
     pub fn response(encoding: ContentEncoding, head: &mut ResponseHead, body: B) -> Self {
-        // no need to compress an empty body
-        if matches!(body.size(), BodySize::None) {
-            return Self::none();
+        // no need to compress empty bodies
+        match body.size() {
+            BodySize::None => return Self::none(),
+            BodySize::Sized(0) => return Self::empty(),
+            _ => {}
         }
 
         let should_encode = !(head.headers().contains_key(&CONTENT_ENCODING)

actix-http/src/encoding/mod.rs

@@ -7,13 +7,12 @@ use bytes::{Bytes, BytesMut};
 mod decoder;
 mod encoder;
 
-pub use self::decoder::Decoder;
-pub use self::encoder::Encoder;
+pub use self::{decoder::Decoder, encoder::Encoder};
 
 /// Special-purpose writer for streaming (de-)compression.
 ///
 /// Pre-allocates 8KiB of capacity.
-pub(self) struct Writer {
+struct Writer {
     buf: BytesMut,
 }
 

actix-http/src/error.rs

@@ -3,12 +3,11 @@
 use std::{error::Error as StdError, fmt, io, str::Utf8Error, string::FromUtf8Error};
 
 use derive_more::{Display, Error, From};
+pub use http::Error as HttpError;
 use http::{uri::InvalidUri, StatusCode};
 
 use crate::{body::BoxBody, Response};
 
-pub use http::Error as HttpError;
-
 pub struct Error {
     inner: Box<ErrorInner>,
 }
@@ -161,44 +160,44 @@ impl From<crate::ws::ProtocolError> for Error {
 #[non_exhaustive]
 pub enum ParseError {
     /// An invalid `Method`, such as `GE.T`.
-    #[display(fmt = "Invalid Method specified")]
+    #[display(fmt = "invalid method specified")]
     Method,
 
     /// An invalid `Uri`, such as `exam ple.domain`.
-    #[display(fmt = "Uri error: {}", _0)]
+    #[display(fmt = "URI error: {}", _0)]
     Uri(InvalidUri),
 
     /// An invalid `HttpVersion`, such as `HTP/1.1`
-    #[display(fmt = "Invalid HTTP version specified")]
+    #[display(fmt = "invalid HTTP version specified")]
     Version,
 
     /// An invalid `Header`.
-    #[display(fmt = "Invalid Header provided")]
+    #[display(fmt = "invalid Header provided")]
     Header,
 
     /// A message head is too large to be reasonable.
-    #[display(fmt = "Message head is too large")]
+    #[display(fmt = "message head is too large")]
     TooLarge,
 
     /// A message reached EOF, but is not complete.
-    #[display(fmt = "Message is incomplete")]
+    #[display(fmt = "message is incomplete")]
     Incomplete,
 
     /// An invalid `Status`, such as `1337 ELITE`.
-    #[display(fmt = "Invalid Status provided")]
+    #[display(fmt = "invalid status provided")]
     Status,
 
     /// A timeout occurred waiting for an IO event.
     #[allow(dead_code)]
-    #[display(fmt = "Timeout")]
+    #[display(fmt = "timeout")]
     Timeout,
 
-    /// An `io::Error` that occurred while trying to read or write to a network stream.
-    #[display(fmt = "IO error: {}", _0)]
+    /// An I/O error that occurred while trying to read or write to a network stream.
+    #[display(fmt = "I/O error: {}", _0)]
     Io(io::Error),
 
     /// Parsing a field as string failed.
-    #[display(fmt = "UTF8 error: {}", _0)]
+    #[display(fmt = "UTF-8 error: {}", _0)]
     Utf8(Utf8Error),
 }
 
@@ -257,22 +256,19 @@ impl From<ParseError> for Response<BoxBody> {
 #[non_exhaustive]
 pub enum PayloadError {
     /// A payload reached EOF, but is not complete.
-    #[display(
-        fmt = "A payload reached EOF, but is not complete. Inner error: {:?}",
-        _0
-    )]
+    #[display(fmt = "payload reached EOF before completing: {:?}", _0)]
     Incomplete(Option<io::Error>),
 
     /// Content encoding stream corruption.
-    #[display(fmt = "Can not decode content-encoding.")]
+    #[display(fmt = "can not decode content-encoding")]
     EncodingCorrupted,
 
     /// Payload reached size limit.
-    #[display(fmt = "Payload reached size limit.")]
+    #[display(fmt = "payload reached size limit")]
     Overflow,
 
     /// Payload length is unknown.
-    #[display(fmt = "Payload length is unknown.")]
+    #[display(fmt = "payload length is unknown")]
     UnknownLength,
 
     /// HTTP/2 payload error.
@@ -330,22 +326,23 @@ impl From<PayloadError> for Error {
 #[non_exhaustive]
 pub enum DispatchError {
     /// Service error.
-    #[display(fmt = "Service Error")]
+    #[display(fmt = "service error")]
     Service(Response<BoxBody>),
 
     /// Body streaming error.
-    #[display(fmt = "Body error: {}", _0)]
+    #[display(fmt = "body error: {}", _0)]
     Body(Box<dyn StdError>),
 
     /// Upgrade service error.
+    #[display(fmt = "upgrade error")]
     Upgrade,
 
     /// An `io::Error` that occurred while trying to read or write to a network stream.
-    #[display(fmt = "IO error: {}", _0)]
+    #[display(fmt = "I/O error: {}", _0)]
     Io(io::Error),
 
     /// Request parse error.
-    #[display(fmt = "Request parse error: {}", _0)]
+    #[display(fmt = "request parse error: {}", _0)]
     Parse(ParseError),
 
     /// HTTP/2 error.
@@ -354,19 +351,19 @@ pub enum DispatchError {
     H2(h2::Error),
 
     /// The first request did not complete within the specified timeout.
-    #[display(fmt = "The first request did not complete within the specified timeout")]
+    #[display(fmt = "request did not complete within the specified timeout")]
     SlowRequestTimeout,
 
-    /// Disconnect timeout. Makes sense for ssl streams.
-    #[display(fmt = "Connection shutdown timeout")]
+    /// Disconnect timeout. Makes sense for TLS streams.
+    #[display(fmt = "connection shutdown timeout")]
     DisconnectTimeout,
 
     /// Handler dropped payload before reading EOF.
-    #[display(fmt = "Handler dropped payload before reading EOF")]
+    #[display(fmt = "handler dropped payload before reading EOF")]
     HandlerDroppedPayload,
 
     /// Internal error.
-    #[display(fmt = "Internal error")]
+    #[display(fmt = "internal error")]
     InternalError,
 }
 
@@ -391,20 +388,18 @@ impl StdError for DispatchError {
 #[cfg_attr(test, derive(PartialEq, Eq))]
 #[non_exhaustive]
 pub enum ContentTypeError {
-    /// Can not parse content type
-    #[display(fmt = "Can not parse content type")]
+    /// Can not parse content type.
+    #[display(fmt = "could not parse content type")]
     ParseError,
 
-    /// Unknown content encoding
-    #[display(fmt = "Unknown content encoding")]
+    /// Unknown content encoding.
+    #[display(fmt = "unknown content encoding")]
     UnknownEncoding,
 }
 
 #[cfg(test)]
 mod tests {
-    use std::io;
-
-    use http::{Error as HttpError, StatusCode};
+    use http::Error as HttpError;
 
     use super::*;
 
@@ -424,7 +419,7 @@ mod tests {
         let err: Error = ParseError::Io(orig).into();
         assert_eq!(
             format!("{}", err),
-            "error parsing HTTP message: IO error: other"
+            "error parsing HTTP message: I/O error: other"
         );
     }
 
@@ -451,7 +446,7 @@ mod tests {
         let err = PayloadError::Incomplete(None);
         assert_eq!(
             err.to_string(),
-            "A payload reached EOF, but is not complete. Inner error: None"
+            "payload reached EOF before completing: None"
         );
     }
 
@@ -471,7 +466,7 @@ mod tests {
             match ParseError::from($from) {
                 e @ $error => {
                     let desc = format!("{}", e);
-                    assert_eq!(desc, format!("IO error: {}", $from));
+                    assert_eq!(desc, format!("I/O error: {}", $from));
                 }
                 _ => unreachable!("{:?}", $from),
             }

actix-http/src/extensions.rs

@@ -1,9 +1,30 @@
 use std::{
     any::{Any, TypeId},
+    collections::HashMap,
     fmt,
+    hash::{BuildHasherDefault, Hasher},
 };
 
-use ahash::AHashMap;
+/// A hasher for `TypeId`s that takes advantage of its known characteristics.
+///
+/// Author of `anymap` crate has done research on the topic:
+/// https://github.com/chris-morgan/anymap/blob/2e9a5704/src/lib.rs#L599
+#[derive(Debug, Default)]
+struct NoOpHasher(u64);
+
+impl Hasher for NoOpHasher {
+    fn write(&mut self, _bytes: &[u8]) {
+        unimplemented!("This NoOpHasher can only handle u64s")
+    }
+
+    fn write_u64(&mut self, i: u64) {
+        self.0 = i;
+    }
+
+    fn finish(&self) -> u64 {
+        self.0
+    }
+}
 
 /// A type map for request extensions.
 ///
@@ -11,7 +32,7 @@ use ahash::AHashMap;
 #[derive(Default)]
 pub struct Extensions {
     /// Use AHasher with a std HashMap with for faster lookups on the small `TypeId` keys.
-    map: AHashMap<TypeId, Box<dyn Any>>,
+    map: HashMap<TypeId, Box<dyn Any>, BuildHasherDefault<NoOpHasher>>,
 }
 
 impl Extensions {
@@ -19,7 +40,7 @@ impl Extensions {
     #[inline]
     pub fn new() -> Extensions {
         Extensions {
-            map: AHashMap::new(),
+            map: HashMap::default(),
         }
     }
 

actix-http/src/h1/chunked.rs

@@ -71,7 +71,7 @@ impl ChunkedState {
 
         match size.checked_mul(radix) {
             Some(n) => {
-                *size = n as u64;
+                *size = n;
                 *size += rem as u64;
 
                 Poll::Ready(Ok(ChunkedState::Size))

actix-http/src/h1/client.rs

@@ -1,9 +1,9 @@
 use std::{fmt, io};
 
-use actix_codec::{Decoder, Encoder};
 use bitflags::bitflags;
 use bytes::{Bytes, BytesMut};
 use http::{Method, Version};
+use tokio_util::codec::{Decoder, Encoder};
 
 use super::{
     decoder::{self, PayloadDecoder, PayloadItem, PayloadType},
@@ -16,6 +16,7 @@ use crate::{
 };
 
 bitflags! {
+    #[derive(Debug, Clone, Copy)]
     struct Flags: u8 {
         const HEAD               = 0b0000_0001;
         const KEEP_ALIVE_ENABLED = 0b0000_1000;

actix-http/src/h1/codec.rs

@@ -1,19 +1,18 @@
 use std::{fmt, io};
 
-use actix_codec::{Decoder, Encoder};
 use bitflags::bitflags;
 use bytes::BytesMut;
 use http::{Method, Version};
+use tokio_util::codec::{Decoder, Encoder};
 
 use super::{
     decoder::{self, PayloadDecoder, PayloadItem, PayloadType},
     encoder, Message, MessageType,
 };
-use crate::{
-    body::BodySize, error::ParseError, ConnectionType, Request, Response, ServiceConfig,
-};
+use crate::{body::BodySize, error::ParseError, ConnectionType, Request, Response, ServiceConfig};
 
 bitflags! {
+    #[derive(Debug, Clone, Copy)]
     struct Flags: u8 {
         const HEAD               = 0b0000_0001;
         const KEEP_ALIVE_ENABLED = 0b0000_0010;
@@ -199,9 +198,6 @@ impl Encoder<Message<(Response<()>, BodySize)>> for Codec {
 
 #[cfg(test)]
 mod tests {
-    use bytes::BytesMut;
-    use http::Method;
-
     use super::*;
     use crate::HttpMessage as _;
 

actix-http/src/h1/decoder.rs

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, io, marker::PhantomData, mem::MaybeUninit, task::Poll};
+use std::{io, marker::PhantomData, mem::MaybeUninit, task::Poll};
 
 use actix_codec::Decoder;
 use bytes::{Bytes, BytesMut};
@@ -94,9 +94,7 @@ pub(crate) trait MessageType: Sized {
                 // SAFETY: httparse already checks header value is only visible ASCII bytes
                 // from_maybe_shared_unchecked contains debug assertions so they are omitted here
                 let value = unsafe {
-                    HeaderValue::from_maybe_shared_unchecked(
-                        slice.slice(idx.value.0..idx.value.1),
-                    )
+                    HeaderValue::from_maybe_shared_unchecked(slice.slice(idx.value.0..idx.value.1))
                 };
 
                 match name {
@@ -275,8 +273,7 @@ impl MessageType for Request {
         let mut msg = Request::new();
 
         // convert headers
-        let mut length =
-            msg.set_headers(&src.split_to(len).freeze(), &headers[..h_len], ver)?;
+        let mut length = msg.set_headers(&src.split_to(len).freeze(), &headers[..h_len], ver)?;
 
         // disallow HTTP/1.0 POST requests that do not contain a Content-Length headers
         // see https://datatracker.ietf.org/doc/html/rfc1945#section-7.2.2
@@ -356,8 +353,8 @@ impl MessageType for ResponseHead {
                         Version::HTTP_10
                     };
 
-                    let status = StatusCode::from_u16(res.code.unwrap())
-                        .map_err(|_| ParseError::Status)?;
+                    let status =
+                        StatusCode::from_u16(res.code.unwrap()).map_err(|_| ParseError::Status)?;
                     HeaderIndex::record(src, res.headers, &mut headers);
 
                     (len, version, status, res.headers.len())
@@ -378,8 +375,7 @@ impl MessageType for ResponseHead {
         msg.version = ver;
 
         // convert headers
-        let mut length =
-            msg.set_headers(&src.split_to(len).freeze(), &headers[..h_len], ver)?;
+        let mut length = msg.set_headers(&src.split_to(len).freeze(), &headers[..h_len], ver)?;
 
         // Remove CL value if 0 now that all headers and HTTP/1.0 special cases are processed.
         // Protects against some request smuggling attacks.
@@ -536,7 +532,7 @@ impl Decoder for PayloadDecoder {
                     *state = match state.step(src, size, &mut buf) {
                         Poll::Pending => return Ok(None),
                         Poll::Ready(Ok(state)) => state,
-                        Poll::Ready(Err(e)) => return Err(e),
+                        Poll::Ready(Err(err)) => return Err(err),
                     };
 
                     if *state == ChunkedState::End {
@@ -567,15 +563,8 @@ impl Decoder for PayloadDecoder {
 
 #[cfg(test)]
 mod tests {
-    use bytes::{Bytes, BytesMut};
-    use http::{Method, Version};
-
     use super::*;
-    use crate::{
-        error::ParseError,
-        header::{HeaderName, SET_COOKIE},
-        HttpMessage as _,
-    };
+    use crate::{header::SET_COOKIE, HttpMessage as _};
 
     impl PayloadType {
         pub(crate) fn unwrap(self) -> PayloadDecoder {

actix-http/src/h1/dispatcher.rs

@@ -8,23 +8,17 @@ use std::{
     task::{Context, Poll},
 };
 
-use actix_codec::{AsyncRead, AsyncWrite, Decoder as _, Encoder as _, Framed, FramedParts};
+use actix_codec::{Framed, FramedParts};
 use actix_rt::time::sleep_until;
 use actix_service::Service;
 use bitflags::bitflags;
 use bytes::{Buf, BytesMut};
 use futures_core::ready;
 use pin_project_lite::pin_project;
+use tokio::io::{AsyncRead, AsyncWrite};
+use tokio_util::codec::{Decoder as _, Encoder as _};
 use tracing::{error, trace};
 
-use crate::{
-    body::{BodySize, BoxBody, MessageBody},
-    config::ServiceConfig,
-    error::{DispatchError, ParseError, PayloadError},
-    service::HttpFlow,
-    Error, Extensions, OnConnectData, Request, Response, StatusCode,
-};
-
 use super::{
     codec::Codec,
     decoder::MAX_BUFFER_SIZE,
@@ -32,12 +26,20 @@ use super::{
     timer::TimerState,
     Message, MessageType,
 };
+use crate::{
+    body::{BodySize, BoxBody, MessageBody},
+    config::ServiceConfig,
+    error::{DispatchError, ParseError, PayloadError},
+    service::HttpFlow,
+    Error, Extensions, OnConnectData, Request, Response, StatusCode,
+};
 
 const LW_BUFFER_SIZE: usize = 1024;
 const HW_BUFFER_SIZE: usize = 1024 * 8;
 const MAX_PIPELINED_MESSAGES: usize = 16;
 
 bitflags! {
+    #[derive(Debug, Clone, Copy)]
     pub struct Flags: u8 {
         /// Set when stream is read for first time.
         const STARTED          = 0b0000_0001;
@@ -210,9 +212,7 @@ where
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             Self::None => write!(f, "State::None"),
-            Self::ExpectCall { .. } => {
-                f.debug_struct("State::ExpectCall").finish_non_exhaustive()
-            }
+            Self::ExpectCall { .. } => f.debug_struct("State::ExpectCall").finish_non_exhaustive(),
             Self::ServiceCall { .. } => {
                 f.debug_struct("State::ServiceCall").finish_non_exhaustive()
             }
@@ -273,9 +273,7 @@ where
 
                     head_timer: TimerState::new(config.client_request_deadline().is_some()),
                     ka_timer: TimerState::new(config.keep_alive().enabled()),
-                    shutdown_timer: TimerState::new(
-                        config.client_disconnect_deadline().is_some(),
-                    ),
+                    shutdown_timer: TimerState::new(config.client_disconnect_deadline().is_some()),
 
                     io: Some(io),
                     read_buf: BytesMut::with_capacity(HW_BUFFER_SIZE),
@@ -453,9 +451,7 @@ where
                     }
 
                     // return with upgrade request and poll it exclusively
-                    Some(DispatcherMessage::Upgrade(req)) => {
-                        return Ok(PollResponse::Upgrade(req))
-                    }
+                    Some(DispatcherMessage::Upgrade(req)) => return Ok(PollResponse::Upgrade(req)),
 
                     // all messages are dealt with
                     None => {
@@ -516,8 +512,10 @@ where
                             }
 
                             Poll::Ready(Some(Err(err))) => {
+                                let err = err.into();
+                                tracing::error!("Response payload stream error: {err:?}");
                                 this.flags.insert(Flags::FINISHED);
-                                return Err(DispatchError::Body(err.into()));
+                                return Err(DispatchError::Body(err));
                             }
 
                             Poll::Pending => return Ok(PollResponse::DoNothing),
@@ -553,6 +551,7 @@ where
                             }
 
                             Poll::Ready(Some(Err(err))) => {
+                                tracing::error!("Response payload stream error: {err:?}");
                                 this.flags.insert(Flags::FINISHED);
                                 return Err(DispatchError::Body(
                                     Error::new_body().with_cause(err).into(),
@@ -672,9 +671,7 @@ where
                 }
 
                 _ => {
-                    unreachable!(
-                        "State must be set to ServiceCall or ExceptCall in handle_request"
-                    )
+                    unreachable!("State must be set to ServiceCall or ExceptCall in handle_request")
                 }
             }
         }
@@ -683,10 +680,7 @@ where
     /// Process one incoming request.
     ///
     /// Returns true if any meaningful work was done.
-    fn poll_request(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-    ) -> Result<bool, DispatchError> {
+    fn poll_request(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Result<bool, DispatchError> {
         let pipeline_queue_full = self.messages.len() >= MAX_PIPELINED_MESSAGES;
         let can_not_read = !self.can_read(cx);
 
@@ -712,7 +706,7 @@ where
 
                             req.head_mut().peer_addr = *this.peer_addr;
 
-                            req.conn_data = this.conn_data.as_ref().map(Rc::clone);
+                            req.conn_data.clone_from(this.conn_data);
 
                             match this.codec.message_type() {
                                 // request has no payload
@@ -856,10 +850,7 @@ where
         Ok(())
     }
 
-    fn poll_ka_timer(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-    ) -> Result<(), DispatchError> {
+    fn poll_ka_timer(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Result<(), DispatchError> {
         let this = self.as_mut().project();
         if let TimerState::Active { timer } = this.ka_timer {
             debug_assert!(
@@ -924,10 +915,7 @@ where
     }
 
     /// Poll head, keep-alive, and disconnect timer.
-    fn poll_timers(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-    ) -> Result<(), DispatchError> {
+    fn poll_timers(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Result<(), DispatchError> {
         self.as_mut().poll_head_timer(cx)?;
         self.as_mut().poll_ka_timer(cx)?;
         self.as_mut().poll_shutdown_timer(cx)?;
@@ -941,10 +929,7 @@ where
     /// - `std::io::ErrorKind::ConnectionReset` after partial read;
     /// - all data read done.
     #[inline(always)] // TODO: bench this inline
-    fn read_available(
-        self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-    ) -> Result<bool, DispatchError> {
+    fn read_available(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Result<bool, DispatchError> {
         let this = self.project();
 
         if this.flags.contains(Flags::READ_DISCONNECT) {
@@ -976,9 +961,11 @@ where
                 //
                 // A Request head too large to parse is only checked on `httparse::Status::Partial`.
 
-                if this.payload.is_none() {
-                    // When dispatcher has a payload the responsibility of wake up it would be shift
-                    // to h1::payload::Payload.
+                match this.payload {
+                    // When dispatcher has a payload the responsibility of wake ups is shifted to
+                    // `h1::payload::Payload` unless the payload is needing a read, in which case it
+                    // might not have access to the waker and could result in the dispatcher
+                    // getting stuck until timeout.
                     //
                     // Reason:
                     // Self wake up when there is payload would waste poll and/or result in
@@ -989,7 +976,8 @@ where
                     // read anymore. At this case read_buf could always remain beyond
                     // MAX_BUFFER_SIZE and self wake up would be busy poll dispatcher and
                     // waste resources.
-                    cx.waker().wake_by_ref();
+                    Some(ref p) if p.need_read(cx) != PayloadStatus::Read => {}
+                    _ => cx.waker().wake_by_ref(),
                 }
 
                 return Ok(false);
@@ -1001,7 +989,7 @@ where
                 this.read_buf.reserve(HW_BUFFER_SIZE - remaining);
             }
 
-            match actix_codec::poll_read_buf(io.as_mut(), cx, this.read_buf) {
+            match tokio_util::io::poll_read_buf(io.as_mut(), cx, this.read_buf) {
                 Poll::Ready(Ok(n)) => {
                     this.flags.remove(Flags::FINISHED);
 

actix-http/src/h1/dispatcher_tests.rs

@@ -1,14 +1,11 @@
 use std::{future::Future, str, task::Poll, time::Duration};
 
-use actix_rt::{pin, time::sleep};
-use actix_service::fn_service;
-use actix_utils::future::{ready, Ready};
-use bytes::Bytes;
-use futures_util::future::lazy;
-
 use actix_codec::Framed;
-use actix_service::Service;
-use bytes::{Buf, BytesMut};
+use actix_rt::{pin, time::sleep};
+use actix_service::{fn_service, Service};
+use actix_utils::future::{ready, Ready};
+use bytes::{Buf, Bytes, BytesMut};
+use futures_util::future::lazy;
 
 use super::dispatcher::{Dispatcher, DispatcherState, DispatcherStateProj, Flags};
 use crate::{
@@ -43,8 +40,8 @@ fn status_service(
     fn_service(move |_req: Request| ready(Ok::<_, Error>(Response::new(status))))
 }
 
-fn echo_path_service(
-) -> impl Service<Request, Response = Response<impl MessageBody>, Error = Error> {
+fn echo_path_service() -> impl Service<Request, Response = Response<impl MessageBody>, Error = Error>
+{
     fn_service(|req: Request| {
         let path = req.path().as_bytes();
         ready(Ok::<_, Error>(
@@ -53,8 +50,8 @@ fn echo_path_service(
     })
 }
 
-fn drop_payload_service(
-) -> impl Service<Request, Response = Response<&'static str>, Error = Error> {
+fn drop_payload_service() -> impl Service<Request, Response = Response<&'static str>, Error = Error>
+{
     fn_service(|mut req: Request| async move {
         let _ = req.take_payload();
         Ok::<_, Error>(Response::with_body(StatusCode::OK, "payload dropped"))
@@ -64,7 +61,7 @@ fn drop_payload_service(
 fn echo_payload_service() -> impl Service<Request, Response = Response<Bytes>, Error = Error> {
     fn_service(|mut req: Request| {
         Box::pin(async move {
-            use futures_util::stream::StreamExt as _;
+            use futures_util::StreamExt as _;
 
             let mut pl = req.take_payload();
             let mut body = BytesMut::new();
@@ -637,7 +634,7 @@ async fn expect_handling() {
 
         if let DispatcherState::Normal { ref inner } = h1.inner {
             let io = inner.io.as_ref().unwrap();
-            let mut res = (&io.write_buf()[..]).to_owned();
+            let mut res = io.write_buf()[..].to_owned();
             stabilize_date_header(&mut res);
 
             assert_eq!(
@@ -699,7 +696,7 @@ async fn expect_eager() {
 
         if let DispatcherState::Normal { ref inner } = h1.inner {
             let io = inner.io.as_ref().unwrap();
-            let mut res = (&io.write_buf()[..]).to_owned();
+            let mut res = io.write_buf()[..].to_owned();
             stabilize_date_header(&mut res);
 
             // Despite the content-length header and even though the request payload has not
@@ -932,7 +929,6 @@ fn http_msg(msg: impl AsRef<str>) -> BytesMut {
         .as_ref()
         .trim()
         .split('\n')
-        .into_iter()
         .map(|line| [line.trim_start(), "\r"].concat())
         .collect::<Vec<_>>()
         .join("\n");

actix-http/src/h1/encoder.rs

@@ -450,7 +450,7 @@ impl TransferEncoding {
 
                     buf.extend_from_slice(&msg[..len as usize]);
 
-                    *remaining -= len as u64;
+                    *remaining -= len;
                     Ok(*remaining == 0)
                 } else {
                     Ok(true)

actix-http/src/h1/mod.rs

@@ -17,14 +17,16 @@ mod timer;
 mod upgrade;
 mod utils;
 
-pub use self::client::{ClientCodec, ClientPayloadCodec};
-pub use self::codec::Codec;
-pub use self::dispatcher::Dispatcher;
-pub use self::expect::ExpectHandler;
-pub use self::payload::Payload;
-pub use self::service::{H1Service, H1ServiceHandler};
-pub use self::upgrade::UpgradeHandler;
-pub use self::utils::SendResponse;
+pub use self::{
+    client::{ClientCodec, ClientPayloadCodec},
+    codec::Codec,
+    dispatcher::Dispatcher,
+    expect::ExpectHandler,
+    payload::Payload,
+    service::{H1Service, H1ServiceHandler},
+    upgrade::UpgradeHandler,
+    utils::SendResponse,
+};
 
 #[derive(Debug)]
 /// Codec message

actix-http/src/h1/payload.rs

@@ -117,6 +117,7 @@ impl PayloadSender {
         }
     }
 
+    #[allow(clippy::needless_pass_by_ref_mut)]
     #[inline]
     pub fn need_read(&self, cx: &mut Context<'_>) -> PayloadStatus {
         // we check need_read only if Payload (other side) is alive,
@@ -174,7 +175,7 @@ impl Inner {
 
     /// Register future waiting data from payload.
     /// Waker would be used in `Inner::wake`
-    fn register(&mut self, cx: &mut Context<'_>) {
+    fn register(&mut self, cx: &Context<'_>) {
         if self
             .task
             .as_ref()
@@ -186,7 +187,7 @@ impl Inner {
 
     // Register future feeding data to payload.
     /// Waker would be used in `Inner::wake_io`
-    fn register_io(&mut self, cx: &mut Context<'_>) {
+    fn register_io(&mut self, cx: &Context<'_>) {
         if self
             .io_task
             .as_ref()
@@ -221,7 +222,7 @@ impl Inner {
 
     fn poll_next(
         mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
+        cx: &Context<'_>,
     ) -> Poll<Option<Result<Bytes, PayloadError>>> {
         if let Some(data) = self.items.pop_front() {
             self.len -= data.len();
@@ -252,19 +253,15 @@ impl Inner {
 
 #[cfg(test)]
 mod tests {
-    use std::panic::{RefUnwindSafe, UnwindSafe};
-
     use actix_utils::future::poll_fn;
     use static_assertions::{assert_impl_all, assert_not_impl_any};
 
     use super::*;
 
     assert_impl_all!(Payload: Unpin);
-    assert_not_impl_any!(Payload: Send, Sync, UnwindSafe, RefUnwindSafe);
+    assert_not_impl_any!(Payload: Send, Sync);
 
     assert_impl_all!(Inner: Unpin, Send, Sync);
-    // assertion not stable wrt rustc versions yet
-    // assert_impl_all!(Inner: UnwindSafe, RefUnwindSafe);
 
     #[actix_rt::test]
     async fn test_unread_data() {

actix-http/src/h1/service.rs

@@ -15,6 +15,7 @@ use actix_utils::future::ready;
 use futures_core::future::LocalBoxFuture;
 use tracing::error;
 
+use super::{codec::Codec, dispatcher::Dispatcher, ExpectHandler, UpgradeHandler};
 use crate::{
     body::{BoxBody, MessageBody},
     config::ServiceConfig,
@@ -23,8 +24,6 @@ use crate::{
     ConnectCallback, OnConnectData, Request, Response,
 };
 
-use super::{codec::Codec, dispatcher::Dispatcher, ExpectHandler, UpgradeHandler};
-
 /// `ServiceFactory` implementation for HTTP1 transport
 pub struct H1Service<T, S, B, X = ExpectHandler, U = UpgradeHandler> {
     srv: S,
@@ -82,13 +81,8 @@ where
     /// Create simple tcp stream service
     pub fn tcp(
         self,
-    ) -> impl ServiceFactory<
-        TcpStream,
-        Config = (),
-        Response = (),
-        Error = DispatchError,
-        InitError = (),
-    > {
+    ) -> impl ServiceFactory<TcpStream, Config = (), Response = (), Error = DispatchError, InitError = ()>
+    {
         fn_service(|io: TcpStream| {
             let peer_addr = io.peer_addr().ok();
             ready(Ok((io, peer_addr)))
@@ -99,8 +93,6 @@ where
 
 #[cfg(feature = "openssl")]
 mod openssl {
-    use super::*;
-
     use actix_tls::accept::{
         openssl::{
             reexports::{Error as SslError, SslAcceptor},
@@ -109,6 +101,8 @@ mod openssl {
         TlsError,
     };
 
+    use super::*;
+
     impl<S, B, X, U> H1Service<TlsStream<TcpStream>, S, B, X, U>
     where
         S: ServiceFactory<Request, Config = ()>,
@@ -158,14 +152,13 @@ mod openssl {
     }
 }
 
-#[cfg(feature = "rustls")]
-mod rustls {
-
+#[cfg(feature = "rustls-0_20")]
+mod rustls_0_20 {
     use std::io;
 
     use actix_service::ServiceFactoryExt as _;
     use actix_tls::accept::{
-        rustls::{reexports::ServerConfig, Acceptor, TlsStream},
+        rustls_0_20::{reexports::ServerConfig, Acceptor, TlsStream},
         TlsError,
     };
 
@@ -195,7 +188,7 @@ mod rustls {
         U::Error: fmt::Display + Into<Response<BoxBody>>,
         U::InitError: fmt::Debug,
     {
-        /// Create Rustls based service.
+        /// Create Rustls v0.20 based service.
         pub fn rustls(
             self,
             config: ServerConfig,
@@ -220,6 +213,189 @@ mod rustls {
     }
 }
 
+#[cfg(feature = "rustls-0_21")]
+mod rustls_0_21 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_21::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> H1Service<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>>,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>>,
+
+        B: MessageBody,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.21 based service.
+        pub fn rustls_021(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_22")]
+mod rustls_0_22 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_22::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> H1Service<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>>,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>>,
+
+        B: MessageBody,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.22 based service.
+        pub fn rustls_0_22(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_23")]
+mod rustls_0_23 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_23::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> H1Service<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>>,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>>,
+
+        B: MessageBody,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.23 based service.
+        pub fn rustls_0_23(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
 impl<T, S, B, X, U> H1Service<T, S, B, X, U>
 where
     S: ServiceFactory<Request, Config = ()>,

actix-http/src/h2/dispatcher.rs

@@ -4,7 +4,7 @@ use std::{
     future::Future,
     marker::PhantomData,
     net,
-    pin::Pin,
+    pin::{pin, Pin},
     rc::Rc,
     task::{Context, Poll},
 };
@@ -20,7 +20,6 @@ use h2::{
     Ping, PingPong,
 };
 use pin_project_lite::pin_project;
-use tracing::{error, trace, warn};
 
 use crate::{
     body::{BodySize, BoxBody, MessageBody},
@@ -29,7 +28,7 @@ use crate::{
         HeaderName, HeaderValue, CONNECTION, CONTENT_LENGTH, DATE, TRANSFER_ENCODING, UPGRADE,
     },
     service::HttpFlow,
-    Extensions, OnConnectData, Payload, Request, Response, ResponseHead,
+    Extensions, Method, OnConnectData, Payload, Request, Response, ResponseHead,
 };
 
 const CHUNK_SIZE: usize = 16_384;
@@ -67,7 +66,7 @@ where
                     timer
                 })
                 .unwrap_or_else(|| Box::pin(sleep(dur))),
-            on_flight: false,
+            in_flight: false,
             ping_pong: conn.ping_pong().unwrap(),
         });
 
@@ -84,9 +83,14 @@ where
 }
 
 struct H2PingPong {
-    timer: Pin<Box<Sleep>>,
-    on_flight: bool,
+    /// Handle to send ping frames from the peer.
     ping_pong: PingPong,
+
+    /// True when a ping has been sent and is waiting for a reply.
+    in_flight: bool,
+
+    /// Timeout for pong response.
+    timer: Pin<Box<Sleep>>,
 }
 
 impl<T, S, B, X, U> Future for Dispatcher<T, S, B, X, U>
@@ -113,6 +117,7 @@ where
                     let payload = crate::h2::Payload::new(body);
                     let pl = Payload::H2 { payload };
                     let mut req = Request::with_payload(pl);
+                    let head_req = parts.method == Method::HEAD;
 
                     let head = req.head_mut();
                     head.uri = parts.uri;
@@ -121,7 +126,7 @@ where
                     head.headers = parts.headers.into();
                     head.peer_addr = this.peer_addr;
 
-                    req.conn_data = this.conn_data.as_ref().map(Rc::clone);
+                    req.conn_data.clone_from(&this.conn_data);
 
                     let fut = this.flow.service.call(req);
                     let config = this.config.clone();
@@ -130,10 +135,10 @@ where
                     actix_rt::spawn(async move {
                         // resolve service call and send response.
                         let res = match fut.await {
-                            Ok(res) => handle_response(res.into(), tx, config).await,
+                            Ok(res) => handle_response(res.into(), tx, config, head_req).await,
                             Err(err) => {
                                 let res: Response<BoxBody> = err.into();
-                                handle_response(res, tx, config).await
+                                handle_response(res, tx, config, head_req).await
                             }
                         };
 
@@ -141,37 +146,41 @@ where
                         if let Err(err) = res {
                             match err {
                                 DispatchError::SendResponse(err) => {
-                                    trace!("Error sending HTTP/2 response: {:?}", err)
+                                    tracing::trace!("Error sending response: {err:?}");
+                                }
+                                DispatchError::SendData(err) => {
+                                    tracing::warn!("Send data error: {err:?}");
                                 }
-                                DispatchError::SendData(err) => warn!("{:?}", err),
                                 DispatchError::ResponseBody(err) => {
-                                    error!("Response payload stream error: {:?}", err)
+                                    tracing::error!("Response payload stream error: {err:?}");
                                 }
                             }
                         }
                     });
                 }
                 Poll::Ready(None) => return Poll::Ready(Ok(())),
+
                 Poll::Pending => match this.ping_pong.as_mut() {
                     Some(ping_pong) => loop {
-                        if ping_pong.on_flight {
-                            // When have on flight ping pong. poll pong and and keep alive timer.
-                            // on success pong received update keep alive timer to determine the next timing of
-                            // ping pong.
+                        if ping_pong.in_flight {
+                            // When there is an in-flight ping-pong, poll pong and and keep-alive
+                            // timer. On successful pong received, update keep-alive timer to
+                            // determine the next timing of ping pong.
                             match ping_pong.ping_pong.poll_pong(cx)? {
                                 Poll::Ready(_) => {
-                                    ping_pong.on_flight = false;
+                                    ping_pong.in_flight = false;
 
                                     let dead_line = this.config.keep_alive_deadline().unwrap();
                                     ping_pong.timer.as_mut().reset(dead_line.into());
                                 }
                                 Poll::Pending => {
-                                    return ping_pong.timer.as_mut().poll(cx).map(|_| Ok(()))
+                                    return ping_pong.timer.as_mut().poll(cx).map(|_| Ok(()));
                                 }
                             }
                         } else {
-                            // When there is no on flight ping pong. keep alive timer is used to wait for next
-                            // timing of ping pong. Therefore at this point it serves as an interval instead.
+                            // When there is no in-flight ping-pong, keep-alive timer is used to
+                            // wait for next timing of ping-pong. Therefore, at this point it serves
+                            // as an interval instead.
                             ready!(ping_pong.timer.as_mut().poll(cx));
 
                             ping_pong.ping_pong.send_ping(Ping::opaque())?;
@@ -179,7 +188,7 @@ where
                             let dead_line = this.config.keep_alive_deadline().unwrap();
                             ping_pong.timer.as_mut().reset(dead_line.into());
 
-                            ping_pong.on_flight = true;
+                            ping_pong.in_flight = true;
                         }
                     },
                     None => return Poll::Pending,
@@ -199,6 +208,7 @@ async fn handle_response<B>(
     res: Response<B>,
     mut tx: SendResponse<Bytes>,
     config: ServiceConfig,
+    head_req: bool,
 ) -> Result<(), DispatchError>
 where
     B: MessageBody,
@@ -208,20 +218,20 @@ where
     // prepare response.
     let mut size = body.size();
     let res = prepare_response(config, res.head(), &mut size);
-    let eof = size.is_eof();
+    let eof_or_head = size.is_eof() || head_req;
 
     // send response head and return on eof.
     let mut stream = tx
-        .send_response(res, eof)
+        .send_response(res, eof_or_head)
         .map_err(DispatchError::SendResponse)?;
 
-    if eof {
+    if eof_or_head {
         return Ok(());
     }
 
-    // poll response body and send chunks to client
-    actix_rt::pin!(body);
+    let mut body = pin!(body);
 
+    // poll response body and send chunks to client
     while let Some(res) = poll_fn(|cx| body.as_mut().poll_next(cx)).await {
         let mut chunk = res.map_err(|err| DispatchError::ResponseBody(err.into()))?;
 
@@ -287,13 +297,13 @@ fn prepare_response(
         _ => {}
     }
 
-    let _ = match size {
-        BodySize::None | BodySize::Stream => None,
+    match size {
+        BodySize::None | BodySize::Stream => {}
 
         BodySize::Sized(0) => {
             #[allow(clippy::declare_interior_mutable_const)]
             const HV_ZERO: HeaderValue = HeaderValue::from_static("0");
-            res.headers_mut().insert(CONTENT_LENGTH, HV_ZERO)
+            res.headers_mut().insert(CONTENT_LENGTH, HV_ZERO);
         }
 
         BodySize::Sized(len) => {
@@ -302,7 +312,7 @@ fn prepare_response(
             res.headers_mut().insert(
                 CONTENT_LENGTH,
                 HeaderValue::from_str(buf.format(*len)).unwrap(),
-            )
+            );
         }
     };
 

actix-http/src/h2/mod.rs

@@ -23,8 +23,7 @@ use crate::{
 mod dispatcher;
 mod service;
 
-pub use self::dispatcher::Dispatcher;
-pub use self::service::H2Service;
+pub use self::{dispatcher::Dispatcher, service::H2Service};
 
 /// HTTP/2 peer stream.
 pub struct Payload {
@@ -58,10 +57,7 @@ impl Stream for Payload {
     }
 }
 
-pub(crate) fn handshake_with_timeout<T>(
-    io: T,
-    config: &ServiceConfig,
-) -> HandshakeWithTimeout<T>
+pub(crate) fn handshake_with_timeout<T>(io: T, config: &ServiceConfig) -> HandshakeWithTimeout<T>
 where
     T: AsyncRead + AsyncWrite + Unpin,
 {
@@ -103,11 +99,9 @@ where
 
 #[cfg(test)]
 mod tests {
-    use std::panic::{RefUnwindSafe, UnwindSafe};
-
     use static_assertions::assert_impl_all;
 
     use super::*;
 
-    assert_impl_all!(Payload: Unpin, Send, Sync, UnwindSafe, RefUnwindSafe);
+    assert_impl_all!(Payload: Unpin, Send, Sync);
 }

actix-http/src/h2/service.rs

@@ -16,6 +16,7 @@ use actix_utils::future::ready;
 use futures_core::{future::LocalBoxFuture, ready};
 use tracing::{error, trace};
 
+use super::{dispatcher::Dispatcher, handshake_with_timeout, HandshakeWithTimeout};
 use crate::{
     body::{BoxBody, MessageBody},
     config::ServiceConfig,
@@ -24,8 +25,6 @@ use crate::{
     ConnectCallback, OnConnectData, Request, Response,
 };
 
-use super::{dispatcher::Dispatcher, handshake_with_timeout, HandshakeWithTimeout};
-
 /// `ServiceFactory` implementation for HTTP/2 transport
 pub struct H2Service<T, S, B> {
     srv: S,
@@ -141,8 +140,8 @@ mod openssl {
     }
 }
 
-#[cfg(feature = "rustls")]
-mod rustls {
+#[cfg(feature = "rustls-0_20")]
+mod rustls_0_20 {
     use std::io;
 
     use actix_service::ServiceFactoryExt as _;
@@ -163,7 +162,7 @@ mod rustls {
 
         B: MessageBody + 'static,
     {
-        /// Create Rustls based service.
+        /// Create Rustls v0.20 based service.
         pub fn rustls(
             self,
             mut config: ServerConfig,
@@ -192,6 +191,159 @@ mod rustls {
     }
 }
 
+#[cfg(feature = "rustls-0_21")]
+mod rustls_0_21 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_21::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B> H2Service<TlsStream<TcpStream>, S, B>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+    {
+        /// Create Rustls v0.21 based service.
+        pub fn rustls_021(
+            self,
+            mut config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = S::InitError,
+        > {
+            let mut protos = vec![b"h2".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_22")]
+mod rustls_0_22 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_22::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B> H2Service<TlsStream<TcpStream>, S, B>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+    {
+        /// Create Rustls v0.22 based service.
+        pub fn rustls_0_22(
+            self,
+            mut config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = S::InitError,
+        > {
+            let mut protos = vec![b"h2".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_23")]
+mod rustls_0_23 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_23::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B> H2Service<TlsStream<TcpStream>, S, B>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+    {
+        /// Create Rustls v0.23 based service.
+        pub fn rustls_0_23(
+            self,
+            mut config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = S::InitError,
+        > {
+            let mut protos = vec![b"h2".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            Acceptor::new(config)
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .map(|io: TlsStream<TcpStream>| {
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    (io, peer_addr)
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
 impl<T, S, B> ServiceFactory<(T, Option<net::SocketAddr>)> for H2Service<T, S, B>
 where
     T: AsyncRead + AsyncWrite + Unpin + 'static,

actix-http/src/header/common.rs

@@ -0,0 +1,53 @@
+//! Common header names not defined in [`http`].
+//!
+//! Any headers added to this file will need to be re-exported from the list at `crate::headers`.
+
+use http::header::HeaderName;
+
+/// Response header field that indicates how caches have handled that response and its corresponding
+/// request.
+///
+/// See [RFC 9211](https://www.rfc-editor.org/rfc/rfc9211) for full semantics.
+// TODO(breaking): replace with http's version
+pub const CACHE_STATUS: HeaderName = HeaderName::from_static("cache-status");
+
+/// Response header field that allows origin servers to control the behavior of CDN caches
+/// interposed between them and clients separately from other caches that might handle the response.
+///
+/// See [RFC 9213](https://www.rfc-editor.org/rfc/rfc9213) for full semantics.
+// TODO(breaking): replace with http's version
+pub const CDN_CACHE_CONTROL: HeaderName = HeaderName::from_static("cdn-cache-control");
+
+/// Response header that prevents a document from loading any cross-origin resources that don't
+/// explicitly grant the document permission (using [CORP] or [CORS]).
+///
+/// [CORP]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Cross-Origin_Resource_Policy_(CORP)
+/// [CORS]: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
+pub const CROSS_ORIGIN_EMBEDDER_POLICY: HeaderName =
+    HeaderName::from_static("cross-origin-embedder-policy");
+
+/// Response header that allows you to ensure a top-level document does not share a browsing context
+/// group with cross-origin documents.
+pub const CROSS_ORIGIN_OPENER_POLICY: HeaderName =
+    HeaderName::from_static("cross-origin-opener-policy");
+
+/// Response header that conveys a desire that the browser blocks no-cors cross-origin/cross-site
+/// requests to the given resource.
+pub const CROSS_ORIGIN_RESOURCE_POLICY: HeaderName =
+    HeaderName::from_static("cross-origin-resource-policy");
+
+/// Response header that provides a mechanism to allow and deny the use of browser features in a
+/// document or within any `<iframe>` elements in the document.
+pub const PERMISSIONS_POLICY: HeaderName = HeaderName::from_static("permissions-policy");
+
+/// Request header (de-facto standard) for identifying the originating IP address of a client
+/// connecting to a web server through a proxy server.
+pub const X_FORWARDED_FOR: HeaderName = HeaderName::from_static("x-forwarded-for");
+
+/// Request header (de-facto standard) for identifying the original host requested by the client in
+/// the `Host` HTTP request header.
+pub const X_FORWARDED_HOST: HeaderName = HeaderName::from_static("x-forwarded-host");
+
+/// Request header (de-facto standard) for identifying the protocol that a client used to connect to
+/// your proxy or load balancer.
+pub const X_FORWARDED_PROTO: HeaderName = HeaderName::from_static("x-forwarded-proto");

actix-http/src/header/into_pair.rs

@@ -1,7 +1,5 @@
 //! [`TryIntoHeaderPair`] trait and implementations.
 
-use std::convert::TryFrom as _;
-
 use super::{
     Header, HeaderName, HeaderValue, InvalidHeaderName, InvalidHeaderValue, TryIntoHeaderValue,
 };

actix-http/src/header/into_value.rs

@@ -1,7 +1,5 @@
 //! [`TryIntoHeaderValue`] trait and implementations.
 
-use std::convert::TryFrom as _;
-
 use bytes::Bytes;
 use http::{header::InvalidHeaderValue, Error as HttpError, HeaderValue};
 use mime::Mime;

actix-http/src/header/map.rs

@@ -150,9 +150,7 @@ impl HeaderMap {
     /// assert_eq!(map.len(), 3);
     /// ```
     pub fn len(&self) -> usize {
-        self.inner
-            .iter()
-            .fold(0, |acc, (_, values)| acc + values.len())
+        self.inner.values().map(|vals| vals.len()).sum()
     }
 
     /// Returns the number of _keys_ stored in the map.
@@ -309,7 +307,7 @@ impl HeaderMap {
     pub fn get_all(&self, key: impl AsHeaderName) -> std::slice::Iter<'_, HeaderValue> {
         match self.get_value(key) {
             Some(value) => value.iter(),
-            None => (&[]).iter(),
+            None => [].iter(),
         }
     }
 
@@ -552,6 +550,39 @@ impl HeaderMap {
         Keys(self.inner.keys())
     }
 
+    /// Retains only the headers specified by the predicate.
+    ///
+    /// In other words, removes all headers `(name, val)` for which `retain_fn(&name, &mut val)`
+    /// returns false.
+    ///
+    /// The order in which headers are visited should be considered arbitrary.
+    ///
+    /// # Examples
+    /// ```
+    /// # use actix_http::header::{self, HeaderMap, HeaderValue};
+    /// let mut map = HeaderMap::new();
+    ///
+    /// map.append(header::HOST, HeaderValue::from_static("duck.com"));
+    /// map.append(header::SET_COOKIE, HeaderValue::from_static("one=1"));
+    /// map.append(header::SET_COOKIE, HeaderValue::from_static("two=2"));
+    ///
+    /// map.retain(|name, val| val.as_bytes().starts_with(b"one"));
+    ///
+    /// assert_eq!(map.len(), 1);
+    /// assert!(map.contains_key(&header::SET_COOKIE));
+    /// ```
+    pub fn retain<F>(&mut self, mut retain_fn: F)
+    where
+        F: FnMut(&HeaderName, &mut HeaderValue) -> bool,
+    {
+        self.inner.retain(|name, vals| {
+            vals.inner.retain(|val| retain_fn(name, val));
+
+            // invariant: make sure newly empty value lists are removed
+            !vals.is_empty()
+        })
+    }
+
     /// Clears the map, returning all name-value sets as an iterator.
     ///
     /// Header names will only be yielded for the first value in each set. All items that are
@@ -605,10 +636,24 @@ impl<'a> IntoIterator for &'a HeaderMap {
     }
 }
 
-/// Convert `http::HeaderMap` to our `HeaderMap`.
+/// Convert a `http::HeaderMap` to our `HeaderMap`.
 impl From<http::HeaderMap> for HeaderMap {
-    fn from(mut map: http::HeaderMap) -> HeaderMap {
-        HeaderMap::from_drain(map.drain())
+    fn from(mut map: http::HeaderMap) -> Self {
+        Self::from_drain(map.drain())
+    }
+}
+
+/// Convert our `HeaderMap` to a `http::HeaderMap`.
+impl From<HeaderMap> for http::HeaderMap {
+    fn from(map: HeaderMap) -> Self {
+        Self::from_iter(map)
+    }
+}
+
+/// Convert our `&HeaderMap` to a `http::HeaderMap`.
+impl From<&HeaderMap> for http::HeaderMap {
+    fn from(map: &HeaderMap) -> Self {
+        map.to_owned().into()
     }
 }
 
@@ -943,6 +988,55 @@ mod tests {
         assert!(map.is_empty());
     }
 
+    #[test]
+    fn retain() {
+        let mut map = HeaderMap::new();
+
+        map.append(header::LOCATION, HeaderValue::from_static("/test"));
+        map.append(header::HOST, HeaderValue::from_static("duck.com"));
+        map.append(header::COOKIE, HeaderValue::from_static("one=1"));
+        map.append(header::COOKIE, HeaderValue::from_static("two=2"));
+
+        assert_eq!(map.len(), 4);
+
+        // by value
+        map.retain(|_, val| !val.as_bytes().contains(&b'/'));
+        assert_eq!(map.len(), 3);
+
+        // by name
+        map.retain(|name, _| name.as_str() != "cookie");
+        assert_eq!(map.len(), 1);
+
+        // keep but mutate value
+        map.retain(|_, val| {
+            *val = HeaderValue::from_static("replaced");
+            true
+        });
+        assert_eq!(map.len(), 1);
+        assert_eq!(map.get("host").unwrap(), "replaced");
+    }
+
+    #[test]
+    fn retain_removes_empty_value_lists() {
+        let mut map = HeaderMap::with_capacity(3);
+
+        map.append(header::HOST, HeaderValue::from_static("duck.com"));
+        map.append(header::HOST, HeaderValue::from_static("duck.com"));
+
+        assert_eq!(map.len(), 2);
+        assert_eq!(map.len_keys(), 1);
+        assert_eq!(map.inner.len(), 1);
+        assert_eq!(map.capacity(), 3);
+
+        // remove everything
+        map.retain(|_n, _v| false);
+
+        assert_eq!(map.len(), 0);
+        assert_eq!(map.len_keys(), 0);
+        assert_eq!(map.inner.len(), 0);
+        assert_eq!(map.capacity(), 3);
+    }
+
     #[test]
     fn entries_into_iter() {
         let mut map = HeaderMap::new();
@@ -1040,9 +1134,7 @@ mod tests {
         assert!(vals.next().is_none());
     }
 
-    fn owned_pair<'a>(
-        (name, val): (&'a HeaderName, &'a HeaderValue),
-    ) -> (HeaderName, HeaderValue) {
+    fn owned_pair<'a>((name, val): (&'a HeaderName, &'a HeaderValue)) -> (HeaderName, HeaderValue) {
         (name.clone(), val.clone())
     }
 }

actix-http/src/header/mod.rs

@@ -1,51 +1,59 @@
 //! Pre-defined `HeaderName`s, traits for parsing and conversion, and other header utility methods.
 
-use percent_encoding::{AsciiSet, CONTROLS};
+// declaring new header consts will yield this error
+#![allow(clippy::declare_interior_mutable_const)]
 
 // re-export from http except header map related items
-pub use http::header::{
+pub use ::http::header::{
     HeaderName, HeaderValue, InvalidHeaderName, InvalidHeaderValue, ToStrError,
 };
-
-// re-export const header names
-pub use http::header::{
+// re-export const header names, list is explicit so that any updates to `common` module do not
+// conflict with this set
+pub use ::http::header::{
     ACCEPT, ACCEPT_CHARSET, ACCEPT_ENCODING, ACCEPT_LANGUAGE, ACCEPT_RANGES,
-    ACCESS_CONTROL_ALLOW_CREDENTIALS, ACCESS_CONTROL_ALLOW_HEADERS,
-    ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN, ACCESS_CONTROL_EXPOSE_HEADERS,
-    ACCESS_CONTROL_MAX_AGE, ACCESS_CONTROL_REQUEST_HEADERS, ACCESS_CONTROL_REQUEST_METHOD, AGE,
-    ALLOW, ALT_SVC, AUTHORIZATION, CACHE_CONTROL, CONNECTION, CONTENT_DISPOSITION,
-    CONTENT_ENCODING, CONTENT_LANGUAGE, CONTENT_LENGTH, CONTENT_LOCATION, CONTENT_RANGE,
-    CONTENT_SECURITY_POLICY, CONTENT_SECURITY_POLICY_REPORT_ONLY, CONTENT_TYPE, COOKIE, DATE,
-    DNT, ETAG, EXPECT, EXPIRES, FORWARDED, FROM, HOST, IF_MATCH, IF_MODIFIED_SINCE,
-    IF_NONE_MATCH, IF_RANGE, IF_UNMODIFIED_SINCE, LAST_MODIFIED, LINK, LOCATION, MAX_FORWARDS,
-    ORIGIN, PRAGMA, PROXY_AUTHENTICATE, PROXY_AUTHORIZATION, PUBLIC_KEY_PINS,
-    PUBLIC_KEY_PINS_REPORT_ONLY, RANGE, REFERER, REFERRER_POLICY, REFRESH, RETRY_AFTER,
-    SEC_WEBSOCKET_ACCEPT, SEC_WEBSOCKET_EXTENSIONS, SEC_WEBSOCKET_KEY, SEC_WEBSOCKET_PROTOCOL,
-    SEC_WEBSOCKET_VERSION, SERVER, SET_COOKIE, STRICT_TRANSPORT_SECURITY, TE, TRAILER,
-    TRANSFER_ENCODING, UPGRADE, UPGRADE_INSECURE_REQUESTS, USER_AGENT, VARY, VIA, WARNING,
-    WWW_AUTHENTICATE, X_CONTENT_TYPE_OPTIONS, X_DNS_PREFETCH_CONTROL, X_FRAME_OPTIONS,
-    X_XSS_PROTECTION,
+    ACCESS_CONTROL_ALLOW_CREDENTIALS, ACCESS_CONTROL_ALLOW_HEADERS, ACCESS_CONTROL_ALLOW_METHODS,
+    ACCESS_CONTROL_ALLOW_ORIGIN, ACCESS_CONTROL_EXPOSE_HEADERS, ACCESS_CONTROL_MAX_AGE,
+    ACCESS_CONTROL_REQUEST_HEADERS, ACCESS_CONTROL_REQUEST_METHOD, AGE, ALLOW, ALT_SVC,
+    AUTHORIZATION, CACHE_CONTROL, CONNECTION, CONTENT_DISPOSITION, CONTENT_ENCODING,
+    CONTENT_LANGUAGE, CONTENT_LENGTH, CONTENT_LOCATION, CONTENT_RANGE, CONTENT_SECURITY_POLICY,
+    CONTENT_SECURITY_POLICY_REPORT_ONLY, CONTENT_TYPE, COOKIE, DATE, DNT, ETAG, EXPECT, EXPIRES,
+    FORWARDED, FROM, HOST, IF_MATCH, IF_MODIFIED_SINCE, IF_NONE_MATCH, IF_RANGE,
+    IF_UNMODIFIED_SINCE, LAST_MODIFIED, LINK, LOCATION, MAX_FORWARDS, ORIGIN, PRAGMA,
+    PROXY_AUTHENTICATE, PROXY_AUTHORIZATION, PUBLIC_KEY_PINS, PUBLIC_KEY_PINS_REPORT_ONLY, RANGE,
+    REFERER, REFERRER_POLICY, REFRESH, RETRY_AFTER, SEC_WEBSOCKET_ACCEPT, SEC_WEBSOCKET_EXTENSIONS,
+    SEC_WEBSOCKET_KEY, SEC_WEBSOCKET_PROTOCOL, SEC_WEBSOCKET_VERSION, SERVER, SET_COOKIE,
+    STRICT_TRANSPORT_SECURITY, TE, TRAILER, TRANSFER_ENCODING, UPGRADE, UPGRADE_INSECURE_REQUESTS,
+    USER_AGENT, VARY, VIA, WARNING, WWW_AUTHENTICATE, X_CONTENT_TYPE_OPTIONS,
+    X_DNS_PREFETCH_CONTROL, X_FRAME_OPTIONS, X_XSS_PROTECTION,
 };
+use percent_encoding::{AsciiSet, CONTROLS};
 
 use crate::{error::ParseError, HttpMessage};
 
 mod as_name;
+mod common;
 mod into_pair;
 mod into_value;
 pub mod map;
 mod shared;
 mod utils;
 
-pub use self::as_name::AsHeaderName;
-pub use self::into_pair::TryIntoHeaderPair;
-pub use self::into_value::TryIntoHeaderValue;
-pub use self::map::HeaderMap;
-pub use self::shared::{
-    parse_extended_value, q, Charset, ContentEncoding, ExtendedValue, HttpDate, LanguageTag,
-    Quality, QualityItem,
-};
-pub use self::utils::{
-    fmt_comma_delimited, from_comma_delimited, from_one_raw_str, http_percent_encode,
+pub use self::{
+    as_name::AsHeaderName,
+    // re-export list is explicit so that any updates to `http` do not conflict with this set
+    common::{
+        CACHE_STATUS, CDN_CACHE_CONTROL, CROSS_ORIGIN_EMBEDDER_POLICY, CROSS_ORIGIN_OPENER_POLICY,
+        CROSS_ORIGIN_RESOURCE_POLICY, PERMISSIONS_POLICY, X_FORWARDED_FOR, X_FORWARDED_HOST,
+        X_FORWARDED_PROTO,
+    },
+    into_pair::TryIntoHeaderPair,
+    into_value::TryIntoHeaderValue,
+    map::HeaderMap,
+    shared::{
+        parse_extended_value, q, Charset, ContentEncoding, ExtendedValue, HttpDate, LanguageTag,
+        Quality, QualityItem,
+    },
+    utils::{fmt_comma_delimited, from_comma_delimited, from_one_raw_str, http_percent_encode},
 };
 
 /// An interface for types that already represent a valid header.

actix-http/src/header/shared/content_encoding.rs

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, str::FromStr};
+use std::str::FromStr;
 
 use derive_more::{Display, Error};
 use http::header::InvalidHeaderValue;

actix-http/src/header/shared/http_date.rs

@@ -24,8 +24,7 @@ impl FromStr for HttpDate {
 
 impl fmt::Display for HttpDate {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let date_str = httpdate::fmt_http_date(self.0);
-        f.write_str(&date_str)
+        httpdate::HttpDate::from(self.0).fmt(f)
     }
 }
 
@@ -37,7 +36,7 @@ impl TryIntoHeaderValue for HttpDate {
         let mut wrt = MutWriter(&mut buf);
 
         // unwrap: date output is known to be well formed and of known length
-        write!(wrt, "{}", httpdate::fmt_http_date(self.0)).unwrap();
+        write!(wrt, "{}", self).unwrap();
 
         HeaderValue::from_maybe_shared(buf.split().freeze())
     }

actix-http/src/header/shared/mod.rs

@@ -1,5 +1,7 @@
 //! Originally taken from `hyper::header::shared`.
 
+pub use language_tags::LanguageTag;
+
 mod charset;
 mod content_encoding;
 mod extended;
@@ -7,10 +9,11 @@ mod http_date;
 mod quality;
 mod quality_item;
 
-pub use self::charset::Charset;
-pub use self::content_encoding::ContentEncoding;
-pub use self::extended::{parse_extended_value, ExtendedValue};
-pub use self::http_date::HttpDate;
-pub use self::quality::{q, Quality};
-pub use self::quality_item::QualityItem;
-pub use language_tags::LanguageTag;
+pub use self::{
+    charset::Charset,
+    content_encoding::ContentEncoding,
+    extended::{parse_extended_value, ExtendedValue},
+    http_date::HttpDate,
+    quality::{q, Quality},
+    quality_item::QualityItem,
+};

actix-http/src/header/shared/quality.rs

@@ -1,7 +1,4 @@
-use std::{
-    convert::{TryFrom, TryInto},
-    fmt,
-};
+use std::fmt;
 
 use derive_more::{Display, Error};
 

actix-http/src/header/shared/quality_item.rs

@@ -1,8 +1,7 @@
-use std::{cmp, convert::TryFrom as _, fmt, str};
-
-use crate::error::ParseError;
+use std::{cmp, fmt, str};
 
 use super::Quality;
+use crate::error::ParseError;
 
 /// Represents an item with a quality value as defined
 /// in [RFC 7231 §5.3.1](https://datatracker.ietf.org/doc/html/rfc7231#section-5.3.1).

actix-http/src/header/utils.rs

@@ -80,18 +80,18 @@ mod tests {
 
     #[test]
     fn comma_delimited_parsing() {
-        let headers = vec![];
+        let headers = [];
         let res: Vec<usize> = from_comma_delimited(headers.iter()).unwrap();
         assert_eq!(res, vec![0; 0]);
 
-        let headers = vec![
+        let headers = [
             HeaderValue::from_static("1, 2"),
             HeaderValue::from_static("3,4"),
         ];
         let res: Vec<usize> = from_comma_delimited(headers.iter()).unwrap();
         assert_eq!(res, vec![1, 2, 3, 4]);
 
-        let headers = vec![
+        let headers = [
             HeaderValue::from_static(""),
             HeaderValue::from_static(","),
             HeaderValue::from_static("  "),

actix-http/src/http_message.rs

@@ -61,9 +61,7 @@ pub trait HttpMessage: Sized {
     fn encoding(&self) -> Result<&'static Encoding, ContentTypeError> {
         if let Some(mime_type) = self.mime_type()? {
             if let Some(charset) = mime_type.get_param("charset") {
-                if let Some(enc) =
-                    Encoding::for_label_no_replacement(charset.as_str().as_bytes())
-                {
+                if let Some(enc) = Encoding::for_label_no_replacement(charset.as_str().as_bytes()) {
                     Ok(enc)
                 } else {
                     Err(ContentTypeError::UnknownEncoding)
@@ -146,7 +144,7 @@ mod tests {
             .finish();
         assert_eq!(req.content_type(), "text/plain");
         let req = TestRequest::default()
-            .insert_header(("content-type", "application/json; charset=utf=8"))
+            .insert_header(("content-type", "application/json; charset=utf-8"))
             .finish();
         assert_eq!(req.content_type(), "application/json");
         let req = TestRequest::default().finish();

actix-http/src/lib.rs

@@ -1,11 +1,15 @@
-//! HTTP primitives for the Actix ecosystem.
+//! HTTP types and services for the Actix ecosystem.
 //!
 //! ## Crate Features
+//!
 //! | Feature             | Functionality                               |
 //! | ------------------- | ------------------------------------------- |
 //! | `http2`             | HTTP/2 support via [h2].                    |
 //! | `openssl`           | TLS support via [OpenSSL].                  |
-//! | `rustls`            | TLS support via [rustls].                   |
+//! | `rustls`            | TLS support via [rustls]  0.20.             |
+//! | `rustls-0_21`       | TLS support via [rustls]  0.21.             |
+//! | `rustls-0_22`       | TLS support via [rustls]  0.22.             |
+//! | `rustls-0_23`       | TLS support via [rustls]  0.23.             |
 //! | `compress-brotli`   | Payload compression support: Brotli.        |
 //! | `compress-gzip`     | Payload compression support: Deflate, Gzip. |
 //! | `compress-zstd`     | Payload compression support: Zstd.          |
@@ -25,10 +29,9 @@
 )]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
-pub use ::http::{uri, uri::Uri};
-pub use ::http::{Method, StatusCode, Version};
+pub use http::{uri, uri::Uri, Method, StatusCode, Version};
 
 pub mod body;
 mod builder;
@@ -56,22 +59,30 @@ pub mod test;
 #[cfg(feature = "ws")]
 pub mod ws;
 
-pub use self::builder::HttpServiceBuilder;
-pub use self::config::ServiceConfig;
-pub use self::error::Error;
-pub use self::extensions::Extensions;
-pub use self::header::ContentEncoding;
-pub use self::http_message::HttpMessage;
-pub use self::keep_alive::KeepAlive;
-pub use self::message::ConnectionType;
-pub use self::message::Message;
 #[allow(deprecated)]
-pub use self::payload::{BoxedPayloadStream, Payload, PayloadStream};
-pub use self::requests::{Request, RequestHead, RequestHeadType};
-pub use self::responses::{Response, ResponseBuilder, ResponseHead};
-pub use self::service::HttpService;
-#[cfg(any(feature = "openssl", feature = "rustls"))]
+pub use self::payload::PayloadStream;
+#[cfg(any(
+    feature = "openssl",
+    feature = "rustls-0_20",
+    feature = "rustls-0_21",
+    feature = "rustls-0_22",
+    feature = "rustls-0_23",
+))]
 pub use self::service::TlsAcceptorConfig;
+pub use self::{
+    builder::HttpServiceBuilder,
+    config::ServiceConfig,
+    error::Error,
+    extensions::Extensions,
+    header::ContentEncoding,
+    http_message::HttpMessage,
+    keep_alive::KeepAlive,
+    message::{ConnectionType, Message},
+    payload::{BoxedPayloadStream, Payload},
+    requests::{Request, RequestHead, RequestHeadType},
+    responses::{Response, ResponseBuilder, ResponseHead},
+    service::HttpService,
+};
 
 /// A major HTTP protocol version.
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]

actix-http/src/message.rs

@@ -16,6 +16,7 @@ pub enum ConnectionType {
 }
 
 bitflags! {
+    #[derive(Debug, Clone, Copy)]
     pub(crate) struct Flags: u8 {
         const CLOSE       = 0b0000_0001;
         const KEEP_ALIVE  = 0b0000_0010;

actix-http/src/notify_on_drop.rs

@@ -5,7 +5,7 @@
 use std::cell::RefCell;
 
 thread_local! {
-    static NOTIFY_DROPPED: RefCell<Option<bool>> = RefCell::new(None);
+    static NOTIFY_DROPPED: RefCell<Option<bool>> = const { RefCell::new(None) };
 }
 
 /// Check if the spawned task is dropped.

actix-http/src/payload.rs

@@ -97,12 +97,10 @@ where
 
 #[cfg(test)]
 mod tests {
-    use std::panic::{RefUnwindSafe, UnwindSafe};
-
     use static_assertions::{assert_impl_all, assert_not_impl_any};
 
     use super::*;
 
     assert_impl_all!(Payload: Unpin);
-    assert_not_impl_any!(Payload: Send, Sync, UnwindSafe, RefUnwindSafe);
+    assert_not_impl_any!(Payload: Send, Sync);
 }

actix-http/src/requests/head.rs

@@ -16,7 +16,10 @@ pub struct RequestHead {
     pub uri: Uri,
     pub version: Version,
     pub headers: HeaderMap,
+
+    /// Will only be None when called in unit tests unless set manually.
     pub peer_addr: Option<net::SocketAddr>,
+
     flags: Flags,
 }
 

actix-http/src/requests/mod.rs

@@ -3,5 +3,7 @@
 mod head;
 mod request;
 
-pub use self::head::{RequestHead, RequestHeadType};
-pub use self::request::Request;
+pub use self::{
+    head::{RequestHead, RequestHeadType},
+    request::Request,
+};

actix-http/src/requests/request.rs

@@ -10,8 +10,7 @@ use std::{
 use http::{header, Method, Uri, Version};
 
 use crate::{
-    header::HeaderMap, BoxedPayloadStream, Extensions, HttpMessage, Message, Payload,
-    RequestHead,
+    header::HeaderMap, BoxedPayloadStream, Extensions, HttpMessage, Message, Payload, RequestHead,
 };
 
 /// An HTTP request.
@@ -113,14 +112,14 @@ impl<P> Request<P> {
     #[inline]
     /// Http message part of the request
     pub fn head(&self) -> &RequestHead {
-        &*self.head
+        &self.head
     }
 
     #[inline]
     #[doc(hidden)]
     /// Mutable reference to a HTTP message part of the request
     pub fn head_mut(&mut self) -> &mut RequestHead {
-        &mut *self.head
+        &mut self.head
     }
 
     /// Mutable reference to the message's headers.
@@ -174,7 +173,7 @@ impl<P> Request<P> {
     /// Peer address is the directly connected peer's socket address. If a proxy is used in front of
     /// the Actix Web server, then it would be address of this proxy.
     ///
-    /// Will only return None when called in unit tests.
+    /// Will only return None when called in unit tests unless set manually.
     #[inline]
     pub fn peer_addr(&self) -> Option<net::SocketAddr> {
         self.head().peer_addr
@@ -234,7 +233,6 @@ impl<P> fmt::Debug for Request<P> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::convert::TryFrom;
 
     #[test]
     fn test_basics() {

actix-http/src/responses/builder.rs

@@ -93,7 +93,7 @@ impl ResponseBuilder {
                 Ok((key, value)) => {
                     parts.headers.insert(key, value);
                 }
-                Err(e) => self.err = Some(e.into()),
+                Err(err) => self.err = Some(err.into()),
             };
         }
 
@@ -119,7 +119,7 @@ impl ResponseBuilder {
         if let Some(parts) = self.inner() {
             match header.try_into_pair() {
                 Ok((key, value)) => parts.headers.append(key, value),
-                Err(e) => self.err = Some(e.into()),
+                Err(err) => self.err = Some(err.into()),
             };
         }
 
@@ -193,7 +193,7 @@ impl ResponseBuilder {
                 Ok(value) => {
                     parts.headers.insert(header::CONTENT_TYPE, value);
                 }
-                Err(e) => self.err = Some(e.into()),
+                Err(err) => self.err = Some(err.into()),
             };
         }
         self

actix-http/src/responses/mod.rs

@@ -5,7 +5,5 @@ mod head;
 #[allow(clippy::module_inception)]
 mod response;
 
-pub use self::builder::ResponseBuilder;
 pub(crate) use self::head::BoxedResponseHead;
-pub use self::head::ResponseHead;
-pub use self::response::Response;
+pub use self::{builder::ResponseBuilder, head::ResponseHead, response::Response};

actix-http/src/responses/response.rs

@@ -83,13 +83,13 @@ impl<B> Response<B> {
     /// Returns a reference to the head of this response.
     #[inline]
     pub fn head(&self) -> &ResponseHead {
-        &*self.head
+        &self.head
     }
 
     /// Returns a mutable reference to the head of this response.
     #[inline]
     pub fn head_mut(&mut self) -> &mut ResponseHead {
-        &mut *self.head
+        &mut self.head
     }
 
     /// Returns the status code of this response.

actix-http/src/service.rs

@@ -24,7 +24,39 @@ use crate::{
     h1, ConnectCallback, OnConnectData, Protocol, Request, Response, ServiceConfig,
 };
 
-/// A `ServiceFactory` for HTTP/1.1 or HTTP/2 protocol.
+/// A [`ServiceFactory`] for HTTP/1.1 and HTTP/2 connections.
+///
+/// Use [`build`](Self::build) to begin constructing service. Also see [`HttpServiceBuilder`].
+///
+/// # Automatic HTTP Version Selection
+/// There are two ways to select the HTTP version of an incoming connection:
+/// - One is to rely on the ALPN information that is provided when using TLS (HTTPS); both versions
+///   are supported automatically when using either of the `.rustls()` or `.openssl()` finalizing
+///   methods.
+/// - The other is to read the first few bytes of the TCP stream. This is the only viable approach
+///   for supporting H2C, which allows the HTTP/2 protocol to work over plaintext connections. Use
+///   the `.tcp_auto_h2c()` finalizing method to enable this behavior.
+///
+/// # Examples
+/// ```
+/// # use std::convert::Infallible;
+/// use actix_http::{HttpService, Request, Response, StatusCode};
+///
+/// // this service would constructed in an actix_server::Server
+///
+/// # actix_rt::System::new().block_on(async {
+/// HttpService::build()
+///     // the builder finalizing method, other finalizers would not return an `HttpService`
+///     .finish(|_req: Request| async move {
+///         Ok::<_, Infallible>(
+///             Response::build(StatusCode::OK).body("Hello!")
+///         )
+///     })
+///     // the service finalizing method method
+///     // you can use `.tcp_auto_h2c()`, `.rustls()`, or `.openssl()` instead of `.tcp()`
+///     .tcp();
+/// # })
+/// ```
 pub struct HttpService<T, S, B, X = h1::ExpectHandler, U = h1::UpgradeHandler> {
     srv: S,
     cfg: ServiceConfig,
@@ -163,33 +195,71 @@ where
     U::Error: fmt::Display + Into<Response<BoxBody>>,
     U::InitError: fmt::Debug,
 {
-    /// Create simple tcp stream service
+    /// Creates TCP stream service from HTTP service.
+    ///
+    /// The resulting service only supports HTTP/1.x.
     pub fn tcp(
         self,
-    ) -> impl ServiceFactory<
-        TcpStream,
-        Config = (),
-        Response = (),
-        Error = DispatchError,
-        InitError = (),
-    > {
+    ) -> impl ServiceFactory<TcpStream, Config = (), Response = (), Error = DispatchError, InitError = ()>
+    {
         fn_service(|io: TcpStream| async {
             let peer_addr = io.peer_addr().ok();
             Ok((io, Protocol::Http1, peer_addr))
         })
         .and_then(self)
     }
+
+    /// Creates TCP stream service from HTTP service that automatically selects HTTP/1.x or HTTP/2
+    /// on plaintext connections.
+    #[cfg(feature = "http2")]
+    pub fn tcp_auto_h2c(
+        self,
+    ) -> impl ServiceFactory<TcpStream, Config = (), Response = (), Error = DispatchError, InitError = ()>
+    {
+        fn_service(move |io: TcpStream| async move {
+            // subset of HTTP/2 preface defined by RFC 9113 §3.4
+            // this subset was chosen to maximize likelihood that peeking only once will allow us to
+            // reliably determine version or else it should fallback to h1 and fail quickly if data
+            // on the wire is junk
+            const H2_PREFACE: &[u8] = b"PRI * HTTP/2";
+
+            let mut buf = [0; 12];
+
+            io.peek(&mut buf).await?;
+
+            let proto = if buf == H2_PREFACE {
+                Protocol::Http2
+            } else {
+                Protocol::Http1
+            };
+
+            let peer_addr = io.peer_addr().ok();
+            Ok((io, proto, peer_addr))
+        })
+        .and_then(self)
+    }
 }
 
 /// Configuration options used when accepting TLS connection.
-#[cfg(any(feature = "openssl", feature = "rustls"))]
-#[cfg_attr(docsrs, doc(cfg(any(feature = "openssl", feature = "rustls"))))]
+#[cfg(any(
+    feature = "openssl",
+    feature = "rustls-0_20",
+    feature = "rustls-0_21",
+    feature = "rustls-0_22",
+    feature = "rustls-0_23",
+))]
 #[derive(Debug, Default)]
 pub struct TlsAcceptorConfig {
     pub(crate) handshake_timeout: Option<std::time::Duration>,
 }
 
-#[cfg(any(feature = "openssl", feature = "rustls"))]
+#[cfg(any(
+    feature = "openssl",
+    feature = "rustls-0_20",
+    feature = "rustls-0_21",
+    feature = "rustls-0_22",
+    feature = "rustls-0_23",
+))]
 impl TlsAcceptorConfig {
     /// Set TLS handshake timeout duration.
     pub fn handshake_timeout(self, dur: std::time::Duration) -> Self {
@@ -294,13 +364,13 @@ mod openssl {
     }
 }
 
-#[cfg(feature = "rustls")]
-mod rustls {
+#[cfg(feature = "rustls-0_20")]
+mod rustls_0_20 {
     use std::io;
 
     use actix_service::ServiceFactoryExt as _;
     use actix_tls::accept::{
-        rustls::{reexports::ServerConfig, Acceptor, TlsStream},
+        rustls_0_20::{reexports::ServerConfig, Acceptor, TlsStream},
         TlsError,
     };
 
@@ -331,7 +401,7 @@ mod rustls {
         U::Error: fmt::Display + Into<Response<BoxBody>>,
         U::InitError: fmt::Debug,
     {
-        /// Create Rustls based service.
+        /// Create Rustls v0.20 based service.
         pub fn rustls(
             self,
             config: ServerConfig,
@@ -345,7 +415,7 @@ mod rustls {
             self.rustls_with_config(config, TlsAcceptorConfig::default())
         }
 
-        /// Create Rustls based service with custom TLS acceptor configuration.
+        /// Create Rustls v0.20 based service with custom TLS acceptor configuration.
         pub fn rustls_with_config(
             self,
             mut config: ServerConfig,
@@ -390,6 +460,294 @@ mod rustls {
     }
 }
 
+#[cfg(feature = "rustls-0_21")]
+mod rustls_0_21 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_21::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, h1::Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.21 based service.
+        pub fn rustls_021(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            self.rustls_021_with_config(config, TlsAcceptorConfig::default())
+        }
+
+        /// Create Rustls v0.21 based service with custom TLS acceptor configuration.
+        pub fn rustls_021_with_config(
+            self,
+            mut config: ServerConfig,
+            tls_acceptor_config: TlsAcceptorConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            let mut protos = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            let mut acceptor = Acceptor::new(config);
+
+            if let Some(handshake_timeout) = tls_acceptor_config.handshake_timeout {
+                acceptor.set_handshake_timeout(handshake_timeout);
+            }
+
+            acceptor
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .and_then(|io: TlsStream<TcpStream>| async {
+                    let proto = if let Some(protos) = io.get_ref().1.alpn_protocol() {
+                        if protos.windows(2).any(|window| window == b"h2") {
+                            Protocol::Http2
+                        } else {
+                            Protocol::Http1
+                        }
+                    } else {
+                        Protocol::Http1
+                    };
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    Ok((io, proto, peer_addr))
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_22")]
+mod rustls_0_22 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_22::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, h1::Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.22 based service.
+        pub fn rustls_0_22(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            self.rustls_0_22_with_config(config, TlsAcceptorConfig::default())
+        }
+
+        /// Create Rustls v0.22 based service with custom TLS acceptor configuration.
+        pub fn rustls_0_22_with_config(
+            self,
+            mut config: ServerConfig,
+            tls_acceptor_config: TlsAcceptorConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            let mut protos = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            let mut acceptor = Acceptor::new(config);
+
+            if let Some(handshake_timeout) = tls_acceptor_config.handshake_timeout {
+                acceptor.set_handshake_timeout(handshake_timeout);
+            }
+
+            acceptor
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .and_then(|io: TlsStream<TcpStream>| async {
+                    let proto = if let Some(protos) = io.get_ref().1.alpn_protocol() {
+                        if protos.windows(2).any(|window| window == b"h2") {
+                            Protocol::Http2
+                        } else {
+                            Protocol::Http1
+                        }
+                    } else {
+                        Protocol::Http1
+                    };
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    Ok((io, proto, peer_addr))
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
+#[cfg(feature = "rustls-0_23")]
+mod rustls_0_23 {
+    use std::io;
+
+    use actix_service::ServiceFactoryExt as _;
+    use actix_tls::accept::{
+        rustls_0_23::{reexports::ServerConfig, Acceptor, TlsStream},
+        TlsError,
+    };
+
+    use super::*;
+
+    impl<S, B, X, U> HttpService<TlsStream<TcpStream>, S, B, X, U>
+    where
+        S: ServiceFactory<Request, Config = ()>,
+        S::Future: 'static,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>> + 'static,
+        <S::Service as Service<Request>>::Future: 'static,
+
+        B: MessageBody + 'static,
+
+        X: ServiceFactory<Request, Config = (), Response = Request>,
+        X::Future: 'static,
+        X::Error: Into<Response<BoxBody>>,
+        X::InitError: fmt::Debug,
+
+        U: ServiceFactory<
+            (Request, Framed<TlsStream<TcpStream>, h1::Codec>),
+            Config = (),
+            Response = (),
+        >,
+        U::Future: 'static,
+        U::Error: fmt::Display + Into<Response<BoxBody>>,
+        U::InitError: fmt::Debug,
+    {
+        /// Create Rustls v0.23 based service.
+        pub fn rustls_0_23(
+            self,
+            config: ServerConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            self.rustls_0_23_with_config(config, TlsAcceptorConfig::default())
+        }
+
+        /// Create Rustls v0.23 based service with custom TLS acceptor configuration.
+        pub fn rustls_0_23_with_config(
+            self,
+            mut config: ServerConfig,
+            tls_acceptor_config: TlsAcceptorConfig,
+        ) -> impl ServiceFactory<
+            TcpStream,
+            Config = (),
+            Response = (),
+            Error = TlsError<io::Error, DispatchError>,
+            InitError = (),
+        > {
+            let mut protos = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
+            protos.extend_from_slice(&config.alpn_protocols);
+            config.alpn_protocols = protos;
+
+            let mut acceptor = Acceptor::new(config);
+
+            if let Some(handshake_timeout) = tls_acceptor_config.handshake_timeout {
+                acceptor.set_handshake_timeout(handshake_timeout);
+            }
+
+            acceptor
+                .map_init_err(|_| {
+                    unreachable!("TLS acceptor service factory does not error on init")
+                })
+                .map_err(TlsError::into_service_error)
+                .and_then(|io: TlsStream<TcpStream>| async {
+                    let proto = if let Some(protos) = io.get_ref().1.alpn_protocol() {
+                        if protos.windows(2).any(|window| window == b"h2") {
+                            Protocol::Http2
+                        } else {
+                            Protocol::Http1
+                        }
+                    } else {
+                        Protocol::Http1
+                    };
+                    let peer_addr = io.get_ref().0.peer_addr().ok();
+                    Ok((io, proto, peer_addr))
+                })
+                .and_then(self.map_err(TlsError::Service))
+        }
+    }
+}
+
 impl<T, S, B, X, U> ServiceFactory<(T, Protocol, Option<net::SocketAddr>)>
     for HttpService<T, S, B, X, U>
 where
@@ -495,10 +853,7 @@ where
         }
     }
 
-    pub(super) fn _poll_ready(
-        &self,
-        cx: &mut Context<'_>,
-    ) -> Poll<Result<(), Response<BoxBody>>> {
+    pub(super) fn _poll_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Response<BoxBody>>> {
         ready!(self.flow.expect.poll_ready(cx).map_err(Into::into))?;
 
         ready!(self.flow.service.poll_ready(cx).map_err(Into::into))?;
@@ -557,10 +912,7 @@ where
         })
     }
 
-    fn call(
-        &self,
-        (io, proto, peer_addr): (T, Protocol, Option<net::SocketAddr>),
-    ) -> Self::Future {
+    fn call(&self, (io, proto, peer_addr): (T, Protocol, Option<net::SocketAddr>)) -> Self::Future {
         let conn_data = OnConnectData::from_io(&io, self.on_connect_ext.as_deref());
 
         match proto {