Merge branch 'main' into plus

internal/auth/claude/oauth_server.go

@@ -242,6 +242,11 @@ func (s *OAuthServer) handleSuccess(w http.ResponseWriter, r *http.Request) {
 		platformURL = "https://console.anthropic.com/"
 	}
 
+	// Validate platformURL to prevent XSS - only allow http/https URLs
+	if !isValidURL(platformURL) {
+		platformURL = "https://console.anthropic.com/"
+	}
+
 	// Generate success page HTML with dynamic content
 	successHTML := s.generateSuccessHTML(setupRequired, platformURL)
 
@@ -251,6 +256,12 @@ func (s *OAuthServer) handleSuccess(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// isValidURL checks if the URL is a valid http/https URL to prevent XSS
+func isValidURL(urlStr string) bool {
+	urlStr = strings.TrimSpace(urlStr)
+	return strings.HasPrefix(urlStr, "https://") || strings.HasPrefix(urlStr, "http://")
+}
+
 // generateSuccessHTML creates the HTML content for the success page.
 // It customizes the page based on whether additional setup is required
 // and includes a link to the platform.