proxy: Resolves potential panic in request handler

proxy/proxy_test.go

@@ -161,7 +161,7 @@ func TestProxy(t *testing.T) {
 			transform: func(r *http.Request) {
 				r.Header.Add("Authorization", "bearer token")
 			},
-			code: http.StatusInternalServerError,
+			code: http.StatusUnauthorized,
 		},
 		{
 			d:   "should fail because no credentials issuer was configured",

proxy/request_handler.go

@@ -115,11 +115,11 @@ func (d *RequestHandler) HandleRequest(r *http.Request, rl *rule.Rule) error {
 					Warn("The authentication handler encountered an error")
 				return err
 			}
+		} else {
+			// The first authenticator that matches must return the session
+			found = true
+			break
 		}
-
-		// The first authenticator that matches must return the session
-		found = true
-		break
 	}
 
 	if !found {