Relax generic package filename restrictions (#30135)

Now, the chars `=:;()[]{}~!@#$%^ &` are possible as well
Fixes #30134

---------

Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
(cherry picked from commit 1ad48f781eb0681561b083b49dfeff84ba51f2fe)
This commit is contained in:
wxiaoguang 2024-03-28 00:55:05 +08:00 committed by Earl Warren
parent 708fdf2da9
commit ea4755be6d
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00
3 changed files with 91 additions and 7 deletions

View file

@ -8,6 +8,7 @@ import (
"net/http"
"regexp"
"strings"
"unicode"
packages_model "code.gitea.io/gitea/models/packages"
"code.gitea.io/gitea/modules/log"
@ -18,8 +19,8 @@ import (
)
var (
packageNameRegex = regexp.MustCompile(`\A[A-Za-z0-9\.\_\-\+]+\z`)
filenameRegex = packageNameRegex
packageNameRegex = regexp.MustCompile(`\A[-_+.\w]+\z`)
filenameRegex = regexp.MustCompile(`\A[-_+=:;.()\[\]{}~!@#$%^& \w]+\z`)
)
func apiError(ctx *context.Context, status int, obj any) {
@ -54,20 +55,38 @@ func DownloadPackageFile(ctx *context.Context) {
helper.ServePackageFile(ctx, s, u, pf)
}
func isValidPackageName(packageName string) bool {
if len(packageName) == 1 && !unicode.IsLetter(rune(packageName[0])) && !unicode.IsNumber(rune(packageName[0])) {
return false
}
return packageNameRegex.MatchString(packageName) && packageName != ".."
}
func isValidFileName(filename string) bool {
return filenameRegex.MatchString(filename) &&
strings.TrimSpace(filename) == filename &&
filename != "." && filename != ".."
}
// UploadPackage uploads the specific generic package.
// Duplicated packages get rejected.
func UploadPackage(ctx *context.Context) {
packageName := ctx.Params("packagename")
filename := ctx.Params("filename")
if !packageNameRegex.MatchString(packageName) || !filenameRegex.MatchString(filename) {
apiError(ctx, http.StatusBadRequest, errors.New("Invalid package name or filename"))
if !isValidPackageName(packageName) {
apiError(ctx, http.StatusBadRequest, errors.New("invalid package name"))
return
}
if !isValidFileName(filename) {
apiError(ctx, http.StatusBadRequest, errors.New("invalid filename"))
return
}
packageVersion := ctx.Params("packageversion")
if packageVersion != strings.TrimSpace(packageVersion) {
apiError(ctx, http.StatusBadRequest, errors.New("Invalid package version"))
apiError(ctx, http.StatusBadRequest, errors.New("invalid package version"))
return
}

View file

@ -0,0 +1,65 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package generic
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestValidatePackageName(t *testing.T) {
bad := []string{
"",
".",
"..",
"-",
"a?b",
"a b",
"a/b",
}
for _, name := range bad {
assert.False(t, isValidPackageName(name), "bad=%q", name)
}
good := []string{
"a",
"1",
"a-",
"a_b",
"c.d+",
}
for _, name := range good {
assert.True(t, isValidPackageName(name), "good=%q", name)
}
}
func TestValidateFileName(t *testing.T) {
bad := []string{
"",
".",
"..",
"a?b",
"a/b",
" a",
"a ",
}
for _, name := range bad {
assert.False(t, isValidFileName(name), "bad=%q", name)
}
good := []string{
"-",
"a",
"1",
"a-",
"a_b",
"a b",
"c.d+",
`-_+=:;.()[]{}~!@#$%^& aA1`,
}
for _, name := range good {
assert.True(t, isValidFileName(name), "good=%q", name)
}
}

View file

@ -84,7 +84,7 @@ func TestPackageGeneric(t *testing.T) {
t.Run("InvalidParameter", func(t *testing.T) {
defer tests.PrintCurrentTest(t)()
req := NewRequestWithBody(t, "PUT", fmt.Sprintf("/api/packages/%s/generic/%s/%s/%s", user.Name, "invalid+package name", packageVersion, filename), bytes.NewReader(content)).
req := NewRequestWithBody(t, "PUT", fmt.Sprintf("/api/packages/%s/generic/%s/%s/%s", user.Name, "invalid package name", packageVersion, filename), bytes.NewReader(content)).
AddBasicAuth(user.Name)
MakeRequest(t, req, http.StatusBadRequest)
@ -92,7 +92,7 @@ func TestPackageGeneric(t *testing.T) {
AddBasicAuth(user.Name)
MakeRequest(t, req, http.StatusBadRequest)
req = NewRequestWithBody(t, "PUT", fmt.Sprintf("/api/packages/%s/generic/%s/%s/%s", user.Name, packageName, packageVersion, "inval+id.na me"), bytes.NewReader(content)).
req = NewRequestWithBody(t, "PUT", fmt.Sprintf("/api/packages/%s/generic/%s/%s/%s", user.Name, packageName, packageVersion, "inva|id.name"), bytes.NewReader(content)).
AddBasicAuth(user.Name)
MakeRequest(t, req, http.StatusBadRequest)
})