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	Backport #27486 by @lunny Fix #27204 This PR allows `/<username>/<reponame>/attachments/<uuid>` access with personal access token and also changed attachments API download url to it so it can be download correctly. Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
		@@ -36,12 +36,16 @@ func isContainerPath(req *http.Request) bool {
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}
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var (
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	gitRawReleasePathRe = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/(?:(?:git-(?:(?:upload)|(?:receive))-pack$)|(?:info/refs$)|(?:HEAD$)|(?:objects/)|(?:raw/)|(?:releases/download/))`)
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	lfsPathRe           = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/info/lfs/`)
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	gitRawOrAttachPathRe = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/(?:(?:git-(?:(?:upload)|(?:receive))-pack$)|(?:info/refs$)|(?:HEAD$)|(?:objects/)|(?:raw/)|(?:releases/download/)|(?:attachments/))`)
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	lfsPathRe            = regexp.MustCompile(`^/[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+/info/lfs/`)
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)
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func isGitRawReleaseOrLFSPath(req *http.Request) bool {
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	if gitRawReleasePathRe.MatchString(req.URL.Path) {
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func isGitRawOrAttachPath(req *http.Request) bool {
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	return gitRawOrAttachPathRe.MatchString(req.URL.Path)
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}
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func isGitRawOrAttachOrLFSPath(req *http.Request) bool {
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	if isGitRawOrAttachPath(req) {
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		return true
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	}
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	if setting.LFS.StartServer {
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@@ -85,6 +85,10 @@ func Test_isGitRawOrLFSPath(t *testing.T) {
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			"/owner/repo/releases/download/tag/repo.tar.gz",
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			true,
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		},
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		{
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			"/owner/repo/attachments/6d92a9ee-5d8b-4993-97c9-6181bdaa8955",
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			true,
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		},
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	}
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	lfsTests := []string{
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		"/owner/repo/info/lfs/",
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@@ -104,11 +108,11 @@ func Test_isGitRawOrLFSPath(t *testing.T) {
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		t.Run(tt.path, func(t *testing.T) {
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			req, _ := http.NewRequest("POST", "http://localhost"+tt.path, nil)
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			setting.LFS.StartServer = false
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			if got := isGitRawReleaseOrLFSPath(req); got != tt.want {
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			if got := isGitRawOrAttachOrLFSPath(req); got != tt.want {
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				t.Errorf("isGitOrLFSPath() = %v, want %v", got, tt.want)
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			}
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			setting.LFS.StartServer = true
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			if got := isGitRawReleaseOrLFSPath(req); got != tt.want {
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			if got := isGitRawOrAttachOrLFSPath(req); got != tt.want {
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				t.Errorf("isGitOrLFSPath() = %v, want %v", got, tt.want)
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			}
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		})
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@@ -117,11 +121,11 @@ func Test_isGitRawOrLFSPath(t *testing.T) {
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		t.Run(tt, func(t *testing.T) {
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			req, _ := http.NewRequest("POST", tt, nil)
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			setting.LFS.StartServer = false
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			if got := isGitRawReleaseOrLFSPath(req); got != setting.LFS.StartServer {
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				t.Errorf("isGitOrLFSPath(%q) = %v, want %v, %v", tt, got, setting.LFS.StartServer, gitRawReleasePathRe.MatchString(tt))
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			if got := isGitRawOrAttachOrLFSPath(req); got != setting.LFS.StartServer {
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				t.Errorf("isGitOrLFSPath(%q) = %v, want %v, %v", tt, got, setting.LFS.StartServer, gitRawOrAttachPathRe.MatchString(tt))
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			}
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			setting.LFS.StartServer = true
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			if got := isGitRawReleaseOrLFSPath(req); got != setting.LFS.StartServer {
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			if got := isGitRawOrAttachOrLFSPath(req); got != setting.LFS.StartServer {
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				t.Errorf("isGitOrLFSPath(%q) = %v, want %v", tt, got, setting.LFS.StartServer)
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			}
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		})
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@@ -42,7 +42,7 @@ func (b *Basic) Name() string {
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// Returns nil if header is empty or validation fails.
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func (b *Basic) Verify(req *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) (*user_model.User, error) {
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	// Basic authentication should only fire on API, Download or on Git or LFSPaths
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	if !middleware.IsAPIPath(req) && !isContainerPath(req) && !isAttachmentDownload(req) && !isGitRawReleaseOrLFSPath(req) {
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	if !middleware.IsAPIPath(req) && !isContainerPath(req) && !isAttachmentDownload(req) && !isGitRawOrAttachOrLFSPath(req) {
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		return nil, nil
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	}
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@@ -127,7 +127,7 @@ func (o *OAuth2) userIDFromToken(ctx context.Context, tokenSHA string, store Dat
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func (o *OAuth2) Verify(req *http.Request, w http.ResponseWriter, store DataStore, sess SessionStore) (*user_model.User, error) {
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	// These paths are not API paths, but we still want to check for tokens because they maybe in the API returned URLs
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	if !middleware.IsAPIPath(req) && !isAttachmentDownload(req) && !isAuthenticatedTokenRequest(req) &&
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		!gitRawReleasePathRe.MatchString(req.URL.Path) {
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		!isGitRawOrAttachPath(req) {
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		return nil, nil
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	}
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@@ -117,7 +117,7 @@ func (r *ReverseProxy) Verify(req *http.Request, w http.ResponseWriter, store Da
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	}
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	// Make sure requests to API paths, attachment downloads, git and LFS do not create a new session
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	if !middleware.IsAPIPath(req) && !isAttachmentDownload(req) && !isGitRawReleaseOrLFSPath(req) {
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	if !middleware.IsAPIPath(req) && !isAttachmentDownload(req) && !isGitRawOrAttachOrLFSPath(req) {
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		if sess != nil && (sess.Get("uid") == nil || sess.Get("uid").(int64) != user.ID) {
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			handleSignIn(w, req, sess, user)
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		}
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@@ -4,10 +4,7 @@
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package convert
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import (
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	"strconv"
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	repo_model "code.gitea.io/gitea/models/repo"
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	"code.gitea.io/gitea/modules/setting"
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	api "code.gitea.io/gitea/modules/structs"
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)
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@@ -16,12 +13,7 @@ func WebAssetDownloadURL(repo *repo_model.Repository, attach *repo_model.Attachm
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}
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func APIAssetDownloadURL(repo *repo_model.Repository, attach *repo_model.Attachment) string {
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	if attach.CustomDownloadURL != "" {
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		return attach.CustomDownloadURL
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	}
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	// /repos/{owner}/{repo}/releases/{id}/assets/{attachment_id}
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	return setting.AppURL + "api/repos/" + repo.FullName() + "/releases/" + strconv.FormatInt(attach.ReleaseID, 10) + "/assets/" + strconv.FormatInt(attach.ID, 10)
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	return attach.DownloadURL()
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}
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// ToAttachment converts models.Attachment to api.Attachment for API usage
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