pages-server/server/try.go

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package server
import (
"bytes"
"strings"
"github.com/valyala/fasthttp"
"codeberg.org/codeberg/pages/html"
"codeberg.org/codeberg/pages/server/cache"
"codeberg.org/codeberg/pages/server/upstream"
)
// tryUpstream forwards the target request to the Gitea API, and shows an error page on failure.
func tryUpstream(ctx *fasthttp.RequestCtx,
mainDomainSuffix, trimmedHost []byte,
targetOptions *upstream.Options,
targetOwner, targetRepo, targetBranch, targetPath,
giteaRoot, giteaAPIToken string,
canonicalDomainCache, branchTimestampCache, fileResponseCache cache.SetGetKey) {
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// check if a canonical domain exists on a request on MainDomain
if bytes.HasSuffix(trimmedHost, mainDomainSuffix) {
canonicalDomain, _ := upstream.CheckCanonicalDomain(targetOwner, targetRepo, targetBranch, "", string(mainDomainSuffix), giteaRoot, giteaAPIToken, canonicalDomainCache)
if !strings.HasSuffix(strings.SplitN(canonicalDomain, "/", 2)[0], string(mainDomainSuffix)) {
canonicalPath := string(ctx.RequestURI())
if targetRepo != "pages" {
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path := strings.SplitN(canonicalPath, "/", 3)
if len(path) >= 3 {
canonicalPath = "/" + strings.SplitN(canonicalPath, "/", 3)[2]
}
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}
ctx.Redirect("https://"+canonicalDomain+canonicalPath, fasthttp.StatusTemporaryRedirect)
return
}
}
targetOptions.TargetOwner = targetOwner
targetOptions.TargetRepo = targetRepo
targetOptions.TargetBranch = targetBranch
targetOptions.TargetPath = targetPath
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// Try to request the file from the Gitea API
if !targetOptions.Upstream(ctx, giteaRoot, giteaAPIToken, branchTimestampCache, fileResponseCache) {
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html.ReturnErrorPage(ctx, ctx.Response.StatusCode())
}
}