package handler import ( "net/http" "path" "strings" "codeberg.org/codeberg/pages/html" "codeberg.org/codeberg/pages/server/cache" "codeberg.org/codeberg/pages/server/context" "codeberg.org/codeberg/pages/server/dns" "codeberg.org/codeberg/pages/server/gitea" "codeberg.org/codeberg/pages/server/upstream" "github.com/rs/zerolog" ) func handleCustomDomain(log zerolog.Logger, ctx *context.Context, giteaClient *gitea.Client, mainDomainSuffix string, trimmedHost string, pathElements []string, dnsLookupCache, canonicalDomainCache cache.SetGetKey, ) { // Serve pages from custom domains targetOwner, targetRepo, targetBranch := dns.GetTargetFromDNS(trimmedHost, mainDomainSuffix, dnsLookupCache) if targetOwner == "" { html.ReturnErrorPage(ctx, "could not obtain repo owner from custom domain", http.StatusFailedDependency) return } pathParts := pathElements canonicalLink := false if strings.HasPrefix(pathElements[0], "@") { targetBranch = pathElements[0][1:] pathParts = pathElements[1:] canonicalLink = true } // Try to use the given repo on the given branch or the default branch log.Debug().Msg("custom domain preparations, now trying with details from DNS") if targetOpt, works := tryBranch(log, ctx, giteaClient, &upstream.Options{ TryIndexPages: true, TargetOwner: targetOwner, TargetRepo: targetRepo, TargetBranch: targetBranch, TargetPath: path.Join(pathParts...), }, canonicalLink); works { canonicalDomain, valid := targetOpt.CheckCanonicalDomain(giteaClient, trimmedHost, mainDomainSuffix, canonicalDomainCache) if !valid { html.ReturnErrorPage(ctx, "domain not specified in .domains file", http.StatusMisdirectedRequest) return } else if canonicalDomain != trimmedHost { // only redirect if the target is also a codeberg page! targetOwner, _, _ = dns.GetTargetFromDNS(strings.SplitN(canonicalDomain, "/", 2)[0], mainDomainSuffix, dnsLookupCache) if targetOwner != "" { ctx.Redirect("https://"+canonicalDomain+targetOpt.TargetPath, http.StatusTemporaryRedirect) return } html.ReturnErrorPage(ctx, "target is no codeberg page", http.StatusFailedDependency) return } log.Debug().Msg("tryBranch, now trying upstream 7") tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost, targetOpt, canonicalDomainCache) return } html.ReturnErrorPage(ctx, "could not find target for custom domain", http.StatusFailedDependency) }