mirror of
https://codeberg.org/Codeberg/pages-server.git
synced 2024-11-18 10:29:43 +00:00
tryUpstream always use targetOpt generated by tryBranch
This commit is contained in:
parent
658de3956e
commit
8519bba527
4 changed files with 116 additions and 108 deletions
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@ -89,18 +89,12 @@ func Handler(mainDomainSuffix, rawDomain string,
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// Prepare request information to Gitea
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pathElements := strings.Split(strings.Trim(ctx.Path(), "/"), "/")
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targetOptions := &upstream.Options{
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TryIndexPages: true,
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}
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log.Debug().Msg("preparations")
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if rawDomain != "" && strings.EqualFold(trimmedHost, rawDomain) {
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// Serve raw content from RawDomain
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log.Debug().Msg("raw domain")
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targetOptions.TryIndexPages = false
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targetOptions.ServeRaw = true
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if len(pathElements) < 2 {
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// https://{RawDomain}/{owner}/{repo}[/@{branch}]/{path} is required
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ctx.Redirect(rawInfoPage, http.StatusTemporaryRedirect)
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@ -110,15 +104,16 @@ func Handler(mainDomainSuffix, rawDomain string,
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// raw.codeberg.org/example/myrepo/@main/index.html
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if len(pathElements) > 2 && strings.HasPrefix(pathElements[2], "@") {
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log.Debug().Msg("raw domain preparations, now trying with specified branch")
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newPath := path.Join(pathElements[3:]...)
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branch := pathElements[2][1:]
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repoOwner := pathElements[0]
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repo := pathElements[1]
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, repoOwner, repo, branch, newPath, true); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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log.Debug().Msg("tryBranch, now trying upstream 1")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, repoOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TryIndexPages: false,
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ServeRaw: true,
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TargetOwner: pathElements[0],
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TargetRepo: pathElements[1],
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TargetBranch: pathElements[2][1:],
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TargetPath: path.Join(pathElements[3:]...),
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}, true); works {
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log.Trace().Msg("tryUpstream: serve raw domain with specified branch")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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return
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}
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log.Debug().Msg("missing branch info")
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@ -127,18 +122,20 @@ func Handler(mainDomainSuffix, rawDomain string,
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}
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log.Debug().Msg("raw domain preparations, now trying with default branch")
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repoOwner := pathElements[0]
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repo := pathElements[1]
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newPath := path.Join(pathElements[2:]...)
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, repoOwner, repo, "", newPath, true); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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log.Debug().Msg("tryBranch, now trying upstream 2")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, repoOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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return
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TryIndexPages: false,
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ServeRaw: true,
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TargetOwner: pathElements[0],
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TargetRepo: pathElements[1],
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TargetPath: path.Join(pathElements[2:]...),
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}, true); works {
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log.Trace().Msg("tryUpstream: serve raw domain with default branch")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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} else {
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html.ReturnErrorPage(ctx,
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fmt.Sprintf("raw domain could not find repo '%s/%s' or repo is empty", targetOpt.TargetOwner, targetOpt.TargetRepo),
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http.StatusNotFound)
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}
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html.ReturnErrorPage(ctx, fmt.Sprintf("raw domain could not find repo '%s/%s' or repo is empty", repoOwner, repo), http.StatusNotFound)
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return
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} else if strings.HasSuffix(trimmedHost, mainDomainSuffix) {
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@ -164,17 +161,17 @@ func Handler(mainDomainSuffix, rawDomain string,
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}
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log.Debug().Msg("main domain preparations, now trying with specified repo & branch")
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branch := pathElements[1][1:]
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newPath := path.Join(pathElements[2:]...)
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repo := pathElements[0]
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, targetOwner, repo, branch, newPath, true); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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log.Debug().Msg("tryBranch, now trying upstream 3")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, targetOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TargetOwner: targetOwner,
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TargetRepo: pathElements[0],
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TargetBranch: pathElements[1][1:],
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TargetPath: path.Join(pathElements[2:]...),
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}, true); works {
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log.Trace().Msg("tryUpstream: serve with specified repo and branch")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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} else {
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html.ReturnErrorPage(ctx,
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fmt.Sprintf("explizite set branch %q do not exist at '%s/%s'", branch, targetOwner, targetRepo),
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fmt.Sprintf("explizite set branch %q do not exist at '%s/%s'", targetOpt.TargetBranch, targetOpt.TargetOwner, targetOpt.TargetRepo),
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http.StatusFailedDependency)
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}
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return
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@ -184,17 +181,17 @@ func Handler(mainDomainSuffix, rawDomain string,
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// example.codeberg.page/@main/index.html
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if strings.HasPrefix(pathElements[0], "@") {
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log.Debug().Msg("main domain preparations, now trying with specified branch")
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branch := pathElements[0][1:]
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repo := "pages"
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newPath := path.Join(pathElements[1:]...)
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, targetOwner, targetRepo, branch, newPath, true); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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log.Debug().Msg("tryBranch, now trying upstream 4")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, targetOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TargetOwner: targetOwner,
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TargetRepo: "pages",
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TargetBranch: pathElements[0][1:],
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TargetPath: path.Join(pathElements[1:]...),
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}, true); works {
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log.Trace().Msg("tryUpstream: serve default pages repo with specified branch")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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} else {
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html.ReturnErrorPage(ctx,
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fmt.Sprintf("explizite set branch %q do not exist at '%s/%s'", branch, targetOwner, "pages"),
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fmt.Sprintf("explizite set branch %q do not exist at '%s/%s'", targetOpt.TargetBranch, targetOpt.TargetOwner, targetOpt.TargetRepo),
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http.StatusFailedDependency)
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}
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return
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@ -205,14 +202,14 @@ func Handler(mainDomainSuffix, rawDomain string,
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// example.codeberg.page/pages/... is not allowed here.
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log.Debug().Msg("main domain preparations, now trying with specified repo")
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if pathElements[0] != "pages" {
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repo := pathElements[0]
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branch := "pages"
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newPath := path.Join(pathElements[1:]...)
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, targetOwner, repo, branch, newPath, false); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TargetOwner: targetOwner,
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TargetRepo: pathElements[0],
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TargetBranch: "pages",
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TargetPath: path.Join(pathElements[1:]...),
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}, false); works {
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log.Debug().Msg("tryBranch, now trying upstream 5")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, targetOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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return
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}
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}
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@ -220,13 +217,13 @@ func Handler(mainDomainSuffix, rawDomain string,
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// Try to use the "pages" repo on its default branch
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// example.codeberg.page/index.html
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log.Debug().Msg("main domain preparations, now trying with default repo/branch")
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newPath := path.Join(pathElements...)
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repo := "pages"
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, targetOwner, repo, "", newPath, false); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TargetOwner: targetOwner,
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TargetRepo: "pages",
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TargetPath: path.Join(pathElements...),
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}, false); works {
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log.Debug().Msg("tryBranch, now trying upstream 6")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, targetOwner, repo, timestampBranch.Branch, newPath, canonicalDomainCache)
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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return
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}
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@ -256,11 +253,14 @@ func Handler(mainDomainSuffix, rawDomain string,
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}
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// Try to use the given repo on the given branch or the default branch
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newPath := path.Join(pathParts...)
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log.Debug().Msg("custom domain preparations, now trying with details from DNS")
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if timestampBranch, works := tryBranch(log, ctx, giteaClient, targetOwner, targetRepo, targetBranch, newPath, canonicalLink); works {
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targetOptions.BranchTimestamp = timestampBranch.Timestamp
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canonicalDomain, valid := upstream.CheckCanonicalDomain(giteaClient, targetOwner, targetRepo, timestampBranch.Branch, trimmedHostStr, string(mainDomainSuffix), canonicalDomainCache)
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if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{
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TargetOwner: targetOwner,
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TargetRepo: targetRepo,
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TargetBranch: targetBranch,
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TargetPath: path.Join(pathParts...),
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}, canonicalLink); works {
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canonicalDomain, valid := upstream.CheckCanonicalDomain(giteaClient, targetOpt.TargetOwner, targetOpt.TargetRepo, targetOpt.TargetBranch, trimmedHostStr, string(mainDomainSuffix), canonicalDomainCache)
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if !valid {
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html.ReturnErrorPage(ctx, "domain not specified in <code>.domains</code> file", http.StatusMisdirectedRequest)
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return
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@ -268,7 +268,7 @@ func Handler(mainDomainSuffix, rawDomain string,
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// only redirect if the target is also a codeberg page!
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targetOwner, _, _ = dns.GetTargetFromDNS(strings.SplitN(canonicalDomain, "/", 2)[0], string(mainDomainSuffix), dnsLookupCache)
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if targetOwner != "" {
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ctx.Redirect("https://"+canonicalDomain+string(newPath), http.StatusTemporaryRedirect)
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ctx.Redirect("https://"+canonicalDomain+string(targetOpt.TargetPath), http.StatusTemporaryRedirect)
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return
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}
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@ -277,8 +277,7 @@ func Handler(mainDomainSuffix, rawDomain string,
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}
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log.Debug().Msg("tryBranch, now trying upstream 7")
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
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targetOptions, targetOwner, targetRepo, timestampBranch.Branch, newPath, canonicalDomainCache)
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tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache)
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return
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}
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@ -16,18 +16,15 @@ import (
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// tryUpstream forwards the target request to the Gitea API, and shows an error page on failure.
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func tryUpstream(ctx *context.Context, giteaClient *gitea.Client,
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mainDomainSuffix, trimmedHost string,
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targetOptions *upstream.Options,
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targetOwner, targetRepo, targetBranch, targetPath string,
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options *upstream.Options,
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canonicalDomainCache cache.SetGetKey,
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) {
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// check if a canonical domain exists on a request on MainDomain
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if strings.HasSuffix(trimmedHost, mainDomainSuffix) {
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canonicalDomain, _ := upstream.CheckCanonicalDomain(giteaClient, targetOwner, targetRepo, targetBranch, "", string(mainDomainSuffix), canonicalDomainCache)
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canonicalDomain, _ := upstream.CheckCanonicalDomain(giteaClient, options.TargetOwner, options.TargetRepo, options.TargetBranch, "", string(mainDomainSuffix), canonicalDomainCache)
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if !strings.HasSuffix(strings.SplitN(canonicalDomain, "/", 2)[0], string(mainDomainSuffix)) {
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canonicalPath := ctx.Req.RequestURI
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if targetRepo != "pages" {
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if options.TargetRepo != "pages" {
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path := strings.SplitN(canonicalPath, "/", 3)
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if len(path) >= 3 {
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canonicalPath = "/" + path[2]
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@ -38,14 +35,11 @@ func tryUpstream(ctx *context.Context, giteaClient *gitea.Client,
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}
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}
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targetOptions.TargetOwner = targetOwner
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targetOptions.TargetRepo = targetRepo
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targetOptions.TargetBranch = targetBranch
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targetOptions.TargetPath = targetPath
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targetOptions.Host = string(trimmedHost)
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// add host for debugging
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options.Host = string(trimmedHost)
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// Try to request the file from the Gitea API
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if !targetOptions.Upstream(ctx, giteaClient) {
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if !options.Upstream(ctx, giteaClient) {
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html.ReturnErrorPage(ctx, "", ctx.StatusCode)
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}
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}
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@ -53,20 +47,20 @@ func tryUpstream(ctx *context.Context, giteaClient *gitea.Client,
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// tryBranch checks if a branch exists and populates the target variables. If canonicalLink is non-empty,
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// it will also disallow search indexing and add a Link header to the canonical URL.
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func tryBranch(log zerolog.Logger, ctx *context.Context, giteaClient *gitea.Client,
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repoOwner, repoName, branch, path string, canonicalLink bool,
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) (*gitea.BranchTimestamp, bool) {
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if repoName == "" {
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log.Debug().Msg("tryBranch: repo is empty")
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targetOptions *upstream.Options, canonicalLink bool,
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) (*upstream.Options, bool) {
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if targetOptions.TargetOwner == "" || targetOptions.TargetRepo == "" {
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log.Debug().Msg("tryBranch: owner or repo is empty")
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return nil, false
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}
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// Replace "~" to "/" so we can access branch that contains slash character
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// Branch name cannot contain "~" so doing this is okay
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branch = strings.ReplaceAll(branch, "~", "/")
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targetOptions.TargetBranch = strings.ReplaceAll(targetOptions.TargetBranch, "~", "/")
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// Check if the branch exists, otherwise treat it as a file path
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branchTimestampResult := upstream.GetBranchTimestamp(giteaClient, repoOwner, repoName, branch)
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if branchTimestampResult == nil {
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branchExist, _ := targetOptions.GetBranchTimestamp(giteaClient)
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if !branchExist {
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log.Debug().Msg("tryBranch: branch doesn't exist")
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return nil, false
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}
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@ -74,11 +68,9 @@ func tryBranch(log zerolog.Logger, ctx *context.Context, giteaClient *gitea.Clie
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if canonicalLink {
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// Hide from search machines & add canonical link
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ctx.RespWriter.Header().Set("X-Robots-Tag", "noarchive, noindex")
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ctx.RespWriter.Header().Set("Link",
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giteaClient.ContentWebLink(repoOwner, repoName, branchTimestampResult.Branch, path)+
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"; rel=\"canonical\"")
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ctx.RespWriter.Header().Set("Link", targetOptions.ContentWebLink(giteaClient)+"; rel=\"canonical\"")
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}
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log.Debug().Msg("tryBranch: true")
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return branchTimestampResult, true
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return targetOptions, true
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}
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@ -2,35 +2,46 @@ package upstream
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import (
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"errors"
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"fmt"
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"github.com/rs/zerolog/log"
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"codeberg.org/codeberg/pages/server/gitea"
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)
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// GetBranchTimestamp finds the default branch (if branch is "") and returns the last modification time of the branch
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// (or nil if the branch doesn't exist)
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func GetBranchTimestamp(giteaClient *gitea.Client, owner, repo, branch string) *gitea.BranchTimestamp {
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log := log.With().Strs("BranchInfo", []string{owner, repo, branch}).Logger()
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// GetBranchTimestamp finds the default branch (if branch is "") and save branch and it's last modification time to Options
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func (o *Options) GetBranchTimestamp(giteaClient *gitea.Client) (bool, error) {
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log := log.With().Strs("BranchInfo", []string{o.TargetOwner, o.TargetRepo, o.TargetBranch}).Logger()
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if len(branch) == 0 {
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if len(o.TargetBranch) == 0 {
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// Get default branch
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defaultBranch, err := giteaClient.GiteaGetRepoDefaultBranch(owner, repo)
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defaultBranch, err := giteaClient.GiteaGetRepoDefaultBranch(o.TargetOwner, o.TargetRepo)
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if err != nil {
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log.Err(err).Msg("Could't fetch default branch from repository")
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return nil
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return false, err
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}
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log.Debug().Msgf("Succesfully fetched default branch %q from Gitea", defaultBranch)
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branch = defaultBranch
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o.TargetBranch = defaultBranch
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}
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timestamp, err := giteaClient.GiteaGetRepoBranchTimestamp(owner, repo, branch)
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timestamp, err := giteaClient.GiteaGetRepoBranchTimestamp(o.TargetOwner, o.TargetRepo, o.TargetBranch)
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if err != nil {
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if !errors.Is(err, gitea.ErrorNotFound) {
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log.Error().Err(err).Msg("Could not get latest commit's timestamp from branch")
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}
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return nil
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return false, err
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}
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if timestamp == nil || timestamp.Branch == "" {
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return false, fmt.Errorf("empty response")
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}
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log.Debug().Msgf("Succesfully fetched latest commit's timestamp from branch: %#v", timestamp)
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return timestamp
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o.BranchTimestamp = timestamp.Timestamp
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o.TargetBranch = timestamp.Branch
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return true, nil
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}
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func (o *Options) ContentWebLink(giteaClient *gitea.Client) string {
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return giteaClient.ContentWebLink(o.TargetOwner, o.TargetRepo, o.TargetBranch, o.TargetPath) + "; rel=\"canonical\""
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}
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@ -34,10 +34,10 @@ var upstreamNotFoundPages = []string{
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// Options provides various options for the upstream request.
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type Options struct {
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TargetOwner,
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TargetRepo,
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TargetBranch,
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TargetPath,
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TargetOwner string
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TargetRepo string
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TargetBranch string
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TargetPath string
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// Used for debugging purposes.
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Host string
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@ -62,16 +62,22 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
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// Check if the branch exists and when it was modified
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if o.BranchTimestamp.IsZero() {
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branch := GetBranchTimestamp(giteaClient, o.TargetOwner, o.TargetRepo, o.TargetBranch)
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if branch == nil || branch.Branch == "" {
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branchExist, err := o.GetBranchTimestamp(giteaClient)
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// handle 404
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if err != nil && errors.Is(err, gitea.ErrorNotFound) || !branchExist {
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html.ReturnErrorPage(ctx,
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fmt.Sprintf("could not get timestamp of branch %q", o.TargetBranch),
|
||||
fmt.Sprintf("branch %q for '%s/%s' not found", o.TargetBranch, o.TargetOwner, o.TargetRepo),
|
||||
http.StatusNotFound)
|
||||
return true
|
||||
}
|
||||
|
||||
// handle unexpected errors
|
||||
if err != nil {
|
||||
html.ReturnErrorPage(ctx,
|
||||
fmt.Sprintf("could not get timestamp of branch %q: %v", o.TargetBranch, err),
|
||||
http.StatusFailedDependency)
|
||||
return true
|
||||
}
|
||||
o.TargetBranch = branch.Branch
|
||||
o.BranchTimestamp = branch.Timestamp
|
||||
}
|
||||
|
||||
// Check if the browser has a cached version
|
||||
|
|
Loading…
Reference in a new issue