Wheee

1 files changed, 20 insertions, 7 deletions

diff --git a/cmd/git-lfs-server/main.go b/cmd/git-lfs-server/main.go
index 0652e87..b13f997 100644
--- a/cmd/git-lfs-server/main.go
+++ b/cmd/git-lfs-server/main.go
@@ -92,12 +92,13 @@ type batchResponse struct {
 }
 
 type handler struct {
-        mc           *minio.Client
-        bucket       string
-        anonUser     string
-        gitolitePath string
-        privateKey   ed25519.PrivateKey
-        baseURL      *url.URL
+        mc                      *minio.Client
+        bucket                  string
+        anonUser                string
+        gitolitePath            string
+        privateKey              ed25519.PrivateKey
+        baseURL                 *url.URL
+        exportAllForwardedHosts []string
 }
 
 func isValidSHA256Hash(hash string) bool {
@@ -566,6 +567,16 @@ func (h *handler) authorizeBatchAPI(w http.ResponseWriter, r *http.Request, or o
         user := h.anonUser
         ctx := r.Context()
 
+        if or.operation == operationDownload {
+                // See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host
+                forwardedHost := r.Header.Get("X-Forwarded-Host")
+                if forwardedHost != "" && slices.Contains(h.exportAllForwardedHosts, forwardedHost) {
+                        // This is a forwarded host for which all repositories are exported,
+                        // regardless of ownership configuration in Gitolite.
+                        return true
+                }
+        }
+
         if authz := r.Header.Get("Authorization"); authz != "" {
                 if !strings.HasPrefix(authz, "Bearer ") {
                         makeRespError(ctx, w, "Invalid Authorization header", http.StatusBadRequest)
@@ -821,8 +832,10 @@ func main() {
         baseURLStr := os.Getenv("BASE_URL")
         listenHost := os.Getenv("LISTEN_HOST")
         listenPort := os.Getenv("LISTEN_PORT")
+        exportAllForwardedHostsStr := os.Getenv("EXPORT_ALL_FORWARDED_HOSTS")
 
         listenAddr := net.JoinHostPort(listenHost, listenPort)
+        exportAllForwardedHosts := strings.Split(exportAllForwardedHostsStr, ",")
 
         if gitolitePath == "" {
                 gitolitePath = "gitolite"
@@ -879,7 +892,7 @@ func main() {
                 die("Fatal: failed to create S3 client: %s", err)
         }
 
-        h := &handler{mc, bucket, anonUser, gitolitePath, privateKey, baseURL}
+        h := &handler{mc, bucket, anonUser, gitolitePath, privateKey, baseURL, exportAllForwardedHosts}
         if err = http.ListenAndServe(listenAddr, h); err != nil {
                 die("Fatal: failed to serve CGI: %s", err)
         }