feat: update gitea vendor

package/gitea/source/modules/auth/openid/openid.go

@@ -4,8 +4,14 @@
 package openid
 
 import (
+	"net/http"
+	"sync"
 	"time"
 
+	"gitea.dev/modules/hostmatcher"
+	"gitea.dev/modules/proxy"
+	"gitea.dev/modules/setting"
+
 	"github.com/yohcop/openid-go"
 )
 
@@ -19,11 +25,23 @@ import (
 var (
 	nonceStore     = openid.NewSimpleNonceStore()
 	discoveryCache = newTimedDiscoveryCache(24 * time.Hour)
+
+	// openIDInstance does discovery/verification via an SSRF-protected client, so a user-supplied
+	// OpenID identifier can't reach internal/loopback/reserved addresses. It honors the operator's
+	// [security] ALLOWED_HOST_LIST (empty defaults to "external"), matching the avatar/webhook/migration
+	// clients, and validates the proxy path too. Lazy: reads proxy/settings once.
+	openIDInstance = sync.OnceValue(func() *openid.OpenID {
+		allowList := hostmatcher.ParseHostMatchList("security.ALLOWED_HOST_LIST", setting.Security.AllowedHostList)
+		return openid.NewOpenID(&http.Client{
+			Timeout:   30 * time.Second,
+			Transport: hostmatcher.NewHTTPTransport("openid", allowList, nil, proxy.Proxy(), setting.Proxy.ProxyURLFixed, nil),
+		})
+	})
 )
 
 // Verify handles response from OpenID provider
 func Verify(fullURL string) (id string, err error) {
-	return openid.Verify(fullURL, discoveryCache, nonceStore)
+	return openIDInstance().Verify(fullURL, discoveryCache, nonceStore)
 }
 
 // Normalize normalizes an OpenID URI
@@ -33,5 +51,5 @@ func Normalize(url string) (id string, err error) {
 
 // RedirectURL redirects browser
 func RedirectURL(id, callbackURL, realm string) (string, error) {
-	return openid.RedirectURL(id, callbackURL, realm)
+	return openIDInstance().RedirectURL(id, callbackURL, realm)
 }