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https://codeberg.org/Codeberg/pages-server.git
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c55e690da6
This would yield to the error "forge client failed" instead of e.g. "404 Not Found". The issue was introduced in cbb2ce6d07.
77 lines
2.8 KiB
Go
77 lines
2.8 KiB
Go
package handler
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import (
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"net/http"
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"strings"
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"github.com/rs/zerolog"
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"codeberg.org/codeberg/pages/html"
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"codeberg.org/codeberg/pages/server/cache"
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"codeberg.org/codeberg/pages/server/context"
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"codeberg.org/codeberg/pages/server/gitea"
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"codeberg.org/codeberg/pages/server/upstream"
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)
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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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options *upstream.Options,
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canonicalDomainCache cache.ICache,
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redirectsCache cache.ICache,
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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) && !options.ServeRaw {
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canonicalDomain, _ := options.CheckCanonicalDomain(giteaClient, "", mainDomainSuffix, canonicalDomainCache)
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if !strings.HasSuffix(strings.SplitN(canonicalDomain, "/", 2)[0], mainDomainSuffix) {
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canonicalPath := ctx.Req.RequestURI
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if options.TargetRepo != defaultPagesRepo {
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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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}
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}
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ctx.Redirect("https://"+canonicalDomain+canonicalPath, http.StatusTemporaryRedirect)
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return
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}
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}
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// Add host for debugging.
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options.Host = trimmedHost
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// Try to request the file from the Gitea API
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if !options.Upstream(ctx, giteaClient, redirectsCache) {
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html.ReturnErrorPage(ctx, fmt.Sprintf("Forge returned %d %s", ctx.StatusCode, http.StatusText(ctx.StatusCode)), ctx.StatusCode)
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}
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}
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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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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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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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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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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", targetOptions.ContentWebLink(giteaClient)+"; rel=\"canonical\"")
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}
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log.Debug().Msg("tryBranch: true")
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return targetOptions, true
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}
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