Merge branch 'upgrade-comeonin' into 'develop'

Upgrade Comeonin to v5

See merge request pleroma/pleroma!2523

benchmarks/load_testing/users.ex

@@ -55,7 +55,7 @@ defmodule Pleroma.LoadTesting.Users do
       name: "Test テスト User #{i}",
       email: "user#{i}@example.com",
       nickname: "nick#{i}",
-      password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
+      password_hash: Pbkdf2.hash_pwd_salt("test"),
       bio: "Tester Number #{i}",
       local: !remote
     }

lib/pleroma/bbs/authenticator.ex

@@ -4,7 +4,6 @@
 
 defmodule Pleroma.BBS.Authenticator do
   use Sshd.PasswordAuthenticator
-  alias Comeonin.Pbkdf2
   alias Pleroma.User
 
   def authenticate(username, password) do
@@ -12,7 +11,7 @@ defmodule Pleroma.BBS.Authenticator do
     password = to_string(password)
 
     with %User{} = user <- User.get_by_nickname(username) do
-      Pbkdf2.checkpw(password, user.password_hash)
+      Pbkdf2.verify_pass(password, user.password_hash)
     else
       _e -> false
     end

lib/pleroma/mfa.ex

@@ -7,7 +7,6 @@ defmodule Pleroma.MFA do
   The MFA context.
   """
 
-  alias Comeonin.Pbkdf2
   alias Pleroma.User
 
   alias Pleroma.MFA.BackupCodes
@@ -72,7 +71,7 @@ defmodule Pleroma.MFA do
   @spec generate_backup_codes(User.t()) :: {:ok, list(binary)} | {:error, String.t()}
   def generate_backup_codes(%User{} = user) do
     with codes <- BackupCodes.generate(),
-         hashed_codes <- Enum.map(codes, &Pbkdf2.hashpwsalt/1),
+         hashed_codes <- Enum.map(codes, &Pbkdf2.hash_pwd_salt/1),
          changeset <- Changeset.cast_backup_codes(user, hashed_codes),
          {:ok, _} <- User.update_and_set_cache(changeset) do
       {:ok, codes}

lib/pleroma/plugs/authentication_plug.ex

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Plugs.AuthenticationPlug do
-  alias Comeonin.Pbkdf2
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
 
@@ -18,7 +17,7 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
   end
 
   def checkpw(password, "$pbkdf2" <> _ = password_hash) do
-    Pbkdf2.checkpw(password, password_hash)
+    Pbkdf2.verify_pass(password, password_hash)
   end
 
   def checkpw(_password, _password_hash) do
@@ -37,7 +36,7 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
         } = conn,
         _
       ) do
-    if Pbkdf2.checkpw(password, password_hash) do
+    if Pbkdf2.verify_pass(password, password_hash) do
       conn
       |> assign(:user, auth_user)
       |> OAuthScopesPlug.skip_plug()
@@ -47,7 +46,7 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
   end
 
   def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
-    Pbkdf2.dummy_checkpw()
+    Pbkdf2.no_user_verify()
     conn
   end
 

lib/pleroma/user.ex

@@ -9,7 +9,6 @@ defmodule Pleroma.User do
   import Ecto.Query
   import Ecto, only: [assoc: 2]
 
-  alias Comeonin.Pbkdf2
   alias Ecto.Multi
   alias Pleroma.Activity
   alias Pleroma.Config
@@ -1926,7 +1925,7 @@ defmodule Pleroma.User do
   defp put_password_hash(
          %Ecto.Changeset{valid?: true, changes: %{password: password}} = changeset
        ) do
-    change(changeset, password_hash: Pbkdf2.hashpwsalt(password))
+    change(changeset, password_hash: Pbkdf2.hash_pwd_salt(password))
   end
 
   defp put_password_hash(changeset), do: changeset

lib/pleroma/web/auth/totp_authenticator.ex

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Auth.TOTPAuthenticator do
-  alias Comeonin.Pbkdf2
   alias Pleroma.MFA
   alias Pleroma.MFA.TOTP
   alias Pleroma.User
@@ -31,7 +30,7 @@ defmodule Pleroma.Web.Auth.TOTPAuthenticator do
         code
       )
       when is_list(codes) and is_binary(code) do
-    hash_code = Enum.find(codes, fn hash -> Pbkdf2.checkpw(code, hash) end)
+    hash_code = Enum.find(codes, fn hash -> Pbkdf2.verify_pass(code, hash) end)
 
     if hash_code do
       MFA.invalidate_backup_code(user, hash_code)

lib/pleroma/web/mongooseim/mongoose_im_controller.ex

@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.MongooseIM.MongooseIMController do
   use Pleroma.Web, :controller
 
-  alias Comeonin.Pbkdf2
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.Repo
   alias Pleroma.User
@@ -28,7 +27,7 @@ defmodule Pleroma.Web.MongooseIM.MongooseIMController do
   def check_password(conn, %{"user" => username, "pass" => password}) do
     with %User{password_hash: password_hash, deactivated: false} <-
            Repo.get_by(User, nickname: username, local: true),
-         true <- Pbkdf2.checkpw(password, password_hash) do
+         true <- Pbkdf2.verify_pass(password, password_hash) do
       conn
       |> json(true)
     else

mix.exs

@@ -126,8 +126,7 @@ defmodule Pleroma.Mixfile do
       {:postgrex, ">= 0.13.5"},
       {:oban, "~> 1.2"},
       {:gettext, "~> 0.15"},
-      {:comeonin, "~> 4.1.1"},
+      {:pbkdf2_elixir, "~> 1.0"},
-      {:pbkdf2_elixir, "~> 0.12.3"},
       {:trailing_format_plug, "~> 0.0.7"},
       {:fast_sanitize, "~> 0.1"},
       {:html_entities, "~> 0.5", override: true},

mix.lock

@@ -13,7 +13,7 @@
   "castore": {:hex, :castore, "0.1.5", "591c763a637af2cc468a72f006878584bc6c306f8d111ef8ba1d4c10e0684010", [:mix], [], "hexpm", "6db356b2bc6cc22561e051ff545c20ad064af57647e436650aa24d7d06cd941a"},
   "certifi": {:hex, :certifi, "2.5.1", "867ce347f7c7d78563450a18a6a28a8090331e77fa02380b4a21962a65d36ee5", [:rebar3], [{:parse_trans, "~>3.3", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm", "805abd97539caf89ec6d4732c91e62ba9da0cda51ac462380bbd28ee697a8c42"},
   "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm", "1b1dbc1790073076580d0d1d64e42eae2366583e7aecd455d1215b0d16f2451b"},
-  "comeonin": {:hex, :comeonin, "4.1.2", "3eb5620fd8e35508991664b4c2b04dd41e52f1620b36957be837c1d7784b7592", [:mix], [{:argon2_elixir, "~> 1.2", [hex: :argon2_elixir, repo: "hexpm", optional: true]}, {:bcrypt_elixir, "~> 0.12.1 or ~> 1.0", [hex: :bcrypt_elixir, repo: "hexpm", optional: true]}, {:pbkdf2_elixir, "~> 0.12", [hex: :pbkdf2_elixir, repo: "hexpm", optional: true]}], "hexpm", "d8700a0ca4dbb616c22c9b3f6dd539d88deaafec3efe66869d6370c9a559b3e9"},
+  "comeonin": {:hex, :comeonin, "5.3.1", "7fe612b739c78c9c1a75186ef2d322ce4d25032d119823269d0aa1e2f1e20025", [:mix], [], "hexpm", "d6222483060c17f0977fad1b7401ef0c5863c985a64352755f366aee3799c245"},
   "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm", "4a0850c9be22a43af9920a71ab17c051f5f7d45c209e40269a1938832510e4d9"},
   "cors_plug": {:hex, :cors_plug, "1.5.2", "72df63c87e4f94112f458ce9d25800900cc88608c1078f0e4faddf20933eda6e", [:mix], [{:plug, "~> 1.3 or ~> 1.4 or ~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "9af027d20dc12dd0c4345a6b87247e0c62965871feea0bfecf9764648b02cc69"},
   "cowboy": {:hex, :cowboy, "2.7.0", "91ed100138a764355f43316b1d23d7ff6bdb0de4ea618cb5d8677c93a7a2f115", [:rebar3], [{:cowlib, "~> 2.8.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.7.1", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "04fd8c6a39edc6aaa9c26123009200fc61f92a3a94f3178c527b70b767c6e605"},
@@ -76,7 +76,7 @@
   "oban": {:hex, :oban, "1.2.0", "7cca94d341be43d220571e28f69131c4afc21095b25257397f50973d3fc59b07", [:mix], [{:ecto_sql, "~> 3.1", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.14", [hex: :postgrex, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ba5f8b3f7d76967b3e23cf8014f6a13e4ccb33431e4808f036709a7f822362ee"},
   "open_api_spex": {:git, "https://git.pleroma.social/pleroma/elixir-libraries/open_api_spex.git", "b862ebd78de0df95875cf46feb6e9607130dc2a8", [ref: "b862ebd78de0df95875cf46feb6e9607130dc2a8"]},
   "parse_trans": {:hex, :parse_trans, "3.3.0", "09765507a3c7590a784615cfd421d101aec25098d50b89d7aa1d66646bc571c1", [:rebar3], [], "hexpm", "17ef63abde837ad30680ea7f857dd9e7ced9476cdd7b0394432af4bfc241b960"},
-  "pbkdf2_elixir": {:hex, :pbkdf2_elixir, "0.12.4", "8dd29ed783f2e12195d7e0a4640effc0a7c37e6537da491f1db01839eee6d053", [:mix], [], "hexpm", "595d09db74cb093b1903381c9de423276a931a2480a46a1a5dc7f932a2a6375b"},
+  "pbkdf2_elixir": {:hex, :pbkdf2_elixir, "1.2.1", "9cbe354b58121075bd20eb83076900a3832324b7dd171a6895fab57b6bb2752c", [:mix], [{:comeonin, "~> 5.3", [hex: :comeonin, repo: "hexpm", optional: false]}], "hexpm", "d3b40a4a4630f0b442f19eca891fcfeeee4c40871936fed2f68e1c4faa30481f"},
   "phoenix": {:hex, :phoenix, "1.4.13", "67271ad69b51f3719354604f4a3f968f83aa61c19199343656c9caee057ff3b8", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.8.1 or ~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 1.0 or ~> 2.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ab765a0feddb81fc62e2116c827b5f068df85159c162bee760745276ad7ddc1b"},
   "phoenix_ecto": {:hex, :phoenix_ecto, "4.1.0", "a044d0756d0464c5a541b4a0bf4bcaf89bffcaf92468862408290682c73ae50d", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "c5e666a341ff104d0399d8f0e4ff094559b2fde13a5985d4cb5023b2c2ac558b"},
   "phoenix_html": {:hex, :phoenix_html, "2.14.0", "d8c6bc28acc8e65f8ea0080ee05aa13d912c8758699283b8d3427b655aabe284", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "b0bb30eda478a06dbfbe96728061a93833db3861a49ccb516f839ecb08493fbb"},

test/mfa_test.exs

@@ -6,7 +6,6 @@ defmodule Pleroma.MFATest do
   use Pleroma.DataCase
 
   import Pleroma.Factory
-  alias Comeonin.Pbkdf2
   alias Pleroma.MFA
 
   describe "mfa_settings" do
@@ -31,8 +30,8 @@ defmodule Pleroma.MFATest do
       {:ok, [code1, code2]} = MFA.generate_backup_codes(user)
       updated_user = refresh_record(user)
       [hash1, hash2] = updated_user.multi_factor_authentication_settings.backup_codes
-      assert Pbkdf2.checkpw(code1, hash1)
+      assert Pbkdf2.verify_pass(code1, hash1)
-      assert Pbkdf2.checkpw(code2, hash2)
+      assert Pbkdf2.verify_pass(code2, hash2)
     end
   end
 

test/plugs/authentication_plug_test.exs

@@ -16,7 +16,7 @@ defmodule Pleroma.Plugs.AuthenticationPlugTest do
     user = %User{
       id: 1,
       name: "dude",
-      password_hash: Comeonin.Pbkdf2.hashpwsalt("guy")
+      password_hash: Pbkdf2.hash_pwd_salt("guy")
     }
 
     conn =

test/support/builders/user_builder.ex

@@ -7,7 +7,7 @@ defmodule Pleroma.Builders.UserBuilder do
       email: "test@example.org",
       name: "Test Name",
       nickname: "testname",
-      password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
+      password_hash: Pbkdf2.hash_pwd_salt("test"),
       bio: "A tester.",
       ap_id: "some id",
       last_digest_emailed_at: NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second),

test/support/factory.ex

@@ -29,7 +29,7 @@ defmodule Pleroma.Factory do
       name: sequence(:name, &"Test テスト User #{&1}"),
       email: sequence(:email, &"user#{&1}@example.com"),
       nickname: sequence(:nickname, &"nick#{&1}"),
-      password_hash: Comeonin.Pbkdf2.hashpwsalt("test"),
+      password_hash: Pbkdf2.hash_pwd_salt("test"),
       bio: sequence(:bio, &"Tester Number #{&1}"),
       last_digest_emailed_at: NaiveDateTime.utc_now(),
       last_refreshed_at: NaiveDateTime.utc_now(),

test/web/auth/basic_auth_test.exs

@@ -11,7 +11,7 @@ defmodule Pleroma.Web.Auth.BasicAuthTest do
     conn: conn
   } do
     user = insert(:user)
-    assert Comeonin.Pbkdf2.checkpw("test", user.password_hash)
+    assert Pbkdf2.verify_pass("test", user.password_hash)
 
     basic_auth_contents =
       (URI.encode_www_form(user.nickname) <> ":" <> URI.encode_www_form("test"))

test/web/auth/pleroma_authenticator_test.exs

@@ -11,7 +11,7 @@ defmodule Pleroma.Web.Auth.PleromaAuthenticatorTest do
   setup do
     password = "testpassword"
     name = "AgentSmith"
-    user = insert(:user, nickname: name, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+    user = insert(:user, nickname: name, password_hash: Pbkdf2.hash_pwd_salt(password))
     {:ok, [user: user, name: name, password: password]}
   end
 

test/web/auth/totp_authenticator_test.exs

@@ -34,7 +34,7 @@ defmodule Pleroma.Web.Auth.TOTPAuthenticatorTest do
 
     hashed_codes =
       backup_codes
-      |> Enum.map(&Comeonin.Pbkdf2.hashpwsalt(&1))
+      |> Enum.map(&Pbkdf2.hash_pwd_salt(&1))
 
     user =
       insert(:user,

test/web/mongooseim/mongoose_im_controller_test.exs

@@ -41,13 +41,13 @@ defmodule Pleroma.Web.MongooseIMController do
   end
 
   test "/check_password", %{conn: conn} do
-    user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt("cool"))
+    user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt("cool"))
 
     _deactivated_user =
       insert(:user,
         nickname: "konata",
         deactivated: true,
-        password_hash: Comeonin.Pbkdf2.hashpwsalt("cool")
+        password_hash: Pbkdf2.hash_pwd_salt("cool")
       )
 
     res =

test/web/oauth/ldap_authorization_test.exs

@@ -19,7 +19,7 @@ defmodule Pleroma.Web.OAuth.LDAPAuthorizationTest do
   @tag @skip
   test "authorizes the existing user using LDAP credentials" do
     password = "testpassword"
-    user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+    user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password))
     app = insert(:oauth_app, scopes: ["read", "write"])
 
     host = Pleroma.Config.get([:ldap, :host]) |> to_charlist
@@ -104,7 +104,7 @@ defmodule Pleroma.Web.OAuth.LDAPAuthorizationTest do
   @tag @skip
   test "falls back to the default authorization when LDAP is unavailable" do
     password = "testpassword"
-    user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+    user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password))
     app = insert(:oauth_app, scopes: ["read", "write"])
 
     host = Pleroma.Config.get([:ldap, :host]) |> to_charlist
@@ -148,7 +148,7 @@ defmodule Pleroma.Web.OAuth.LDAPAuthorizationTest do
   @tag @skip
   test "disallow authorization for wrong LDAP credentials" do
     password = "testpassword"
-    user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+    user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password))
     app = insert(:oauth_app, scopes: ["read", "write"])
 
     host = Pleroma.Config.get([:ldap, :host]) |> to_charlist

test/web/oauth/mfa_controller_test.exs

@@ -20,7 +20,7 @@ defmodule Pleroma.Web.OAuth.MFAControllerTest do
       insert(:user,
         multi_factor_authentication_settings: %MFA.Settings{
           enabled: true,
-          backup_codes: [Comeonin.Pbkdf2.hashpwsalt("test-code")],
+          backup_codes: [Pbkdf2.hash_pwd_salt("test-code")],
           totp: %MFA.Settings.TOTP{secret: otp_secret, confirmed: true}
         }
       )
@@ -247,7 +247,7 @@ defmodule Pleroma.Web.OAuth.MFAControllerTest do
 
       hashed_codes =
         backup_codes
-        |> Enum.map(&Comeonin.Pbkdf2.hashpwsalt(&1))
+        |> Enum.map(&Pbkdf2.hash_pwd_salt(&1))
 
       user =
         insert(:user,

test/web/oauth/oauth_controller_test.exs

@@ -311,7 +311,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
            app: app,
            conn: conn
          } do
-      user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt("testpassword"))
+      user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt("testpassword"))
       registration = insert(:registration, user: nil)
       redirect_uri = OAuthController.default_redirect_uri(app)
 
@@ -342,7 +342,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
            app: app,
            conn: conn
          } do
-      user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt("testpassword"))
+      user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt("testpassword"))
       registration = insert(:registration, user: nil)
       unlisted_redirect_uri = "http://cross-site-request.com"
 
@@ -750,7 +750,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
 
     test "issues a token for `password` grant_type with valid credentials, with full permissions by default" do
       password = "testpassword"
-      user = insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+      user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password))
 
       app = insert(:oauth_app, scopes: ["read", "write"])
 
@@ -778,7 +778,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
 
       user =
         insert(:user,
-          password_hash: Comeonin.Pbkdf2.hashpwsalt(password),
+          password_hash: Pbkdf2.hash_pwd_salt(password),
           multi_factor_authentication_settings: %MFA.Settings{
             enabled: true,
             totp: %MFA.Settings.TOTP{secret: otp_secret, confirmed: true}
@@ -887,7 +887,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
       password = "testpassword"
 
       {:ok, user} =
-        insert(:user, password_hash: Comeonin.Pbkdf2.hashpwsalt(password))
+        insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password))
         |> User.confirmation_changeset(need_confirmation: true)
         |> User.update_and_set_cache()
 
@@ -915,7 +915,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
 
       user =
         insert(:user,
-          password_hash: Comeonin.Pbkdf2.hashpwsalt(password),
+          password_hash: Pbkdf2.hash_pwd_salt(password),
           deactivated: true
         )
 
@@ -943,7 +943,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
 
       user =
         insert(:user,
-          password_hash: Comeonin.Pbkdf2.hashpwsalt(password),
+          password_hash: Pbkdf2.hash_pwd_salt(password),
           password_reset_pending: true
         )
 
@@ -972,7 +972,7 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
 
       user =
         insert(:user,
-          password_hash: Comeonin.Pbkdf2.hashpwsalt(password),
+          password_hash: Pbkdf2.hash_pwd_salt(password),
           confirmation_pending: true
         )
 

test/web/twitter_api/password_controller_test.exs

@@ -54,7 +54,7 @@ defmodule Pleroma.Web.TwitterAPI.PasswordControllerTest do
       assert response =~ "<h2>Password changed!</h2>"
 
       user = refresh_record(user)
-      assert Comeonin.Pbkdf2.checkpw("test", user.password_hash)
+      assert Pbkdf2.verify_pass("test", user.password_hash)
       assert Enum.empty?(Token.get_user_tokens(user))
     end
 

test/web/twitter_api/util_controller_test.exs

@@ -688,7 +688,7 @@ defmodule Pleroma.Web.TwitterAPI.UtilControllerTest do
 
       assert json_response(conn, 200) == %{"status" => "success"}
       fetched_user = User.get_cached_by_id(user.id)
-      assert Comeonin.Pbkdf2.checkpw("newpass", fetched_user.password_hash) == true
+      assert Pbkdf2.verify_pass("newpass", fetched_user.password_hash) == true
     end
   end