pages-server/server/upstream/domains.go
6543 d8d119b0b3 Fix Cache Bug (#178)
error io.EOF is gracefully end of file read.

so we don't need to cancel cache saving

Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/178
2023-02-11 00:31:56 +00:00

70 lines
2.3 KiB
Go

package upstream
import (
"errors"
"strings"
"time"
"github.com/rs/zerolog/log"
"codeberg.org/codeberg/pages/server/cache"
"codeberg.org/codeberg/pages/server/gitea"
)
// canonicalDomainCacheTimeout specifies the timeout for the canonical domain cache.
var canonicalDomainCacheTimeout = 15 * time.Minute
const canonicalDomainConfig = ".domains"
// CheckCanonicalDomain returns the canonical domain specified in the repo (using the `.domains` file).
func (o *Options) CheckCanonicalDomain(giteaClient *gitea.Client, actualDomain, mainDomainSuffix string, canonicalDomainCache cache.SetGetKey) (domain string, valid bool) {
// Check if this request is cached.
if cachedValue, ok := canonicalDomainCache.Get(o.TargetOwner + "/" + o.TargetRepo + "/" + o.TargetBranch); ok {
domains := cachedValue.([]string)
for _, domain := range domains {
if domain == actualDomain {
valid = true
break
}
}
return domains[0], valid
}
body, err := giteaClient.GiteaRawContent(o.TargetOwner, o.TargetRepo, o.TargetBranch, canonicalDomainConfig)
if err != nil && !errors.Is(err, gitea.ErrorNotFound) {
log.Error().Err(err).Msgf("could not read %s of %s/%s", canonicalDomainConfig, o.TargetOwner, o.TargetRepo)
}
var domains []string
for _, domain := range strings.Split(string(body), "\n") {
domain = strings.ToLower(domain)
domain = strings.TrimSpace(domain)
domain = strings.TrimPrefix(domain, "http://")
domain = strings.TrimPrefix(domain, "https://")
if len(domain) > 0 && !strings.HasPrefix(domain, "#") && !strings.ContainsAny(domain, "\t /") && strings.ContainsRune(domain, '.') {
domains = append(domains, domain)
}
if domain == actualDomain {
valid = true
}
}
// Add [owner].[pages-domain] as valid domnain.
domains = append(domains, o.TargetOwner+mainDomainSuffix)
if domains[len(domains)-1] == actualDomain {
valid = true
}
// If the target repository isn't called pages, add `/[repository]` to the
// previous valid domain.
if o.TargetRepo != "" && o.TargetRepo != "pages" {
domains[len(domains)-1] += "/" + o.TargetRepo
}
// Add result to cache.
_ = canonicalDomainCache.Set(o.TargetOwner+"/"+o.TargetRepo+"/"+o.TargetBranch, domains, canonicalDomainCacheTimeout)
// Return the first domain from the list and return if any of the domains
// matched the requested domain.
return domains[0], valid
}