pages-server/server/handler/handler_custom_domain.go
Gusted f2f943c0d8 Remove unnecessary conversion (#139)
- Remove unnecessary type conversion.
- Enforce via CI

Co-authored-by: Gusted <williamzijl7@hotmail.com>
Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/139
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: Gusted <gusted@noreply.codeberg.org>
Co-committed-by: Gusted <gusted@noreply.codeberg.org>
2022-11-15 16:15:11 +01:00

72 lines
2.4 KiB
Go

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 <code>.domains</code> 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)
}