1 files changed, 58 insertions, 0 deletions
diff --git a/chromium/chrome/browser/resources/gaia_auth_host/okta_detect_success_injected.js b/chromium/chrome/browser/resources/gaia_auth_host/okta_detect_success_injected.js
new file mode 100644
index 00000000000..d2b13e7c2bc
--- /dev/null
+++ b/chromium/chrome/browser/resources/gaia_auth_host/okta_detect_success_injected.js
@@ -0,0 +1,58 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Intercept Ajax responses, detect responses to the password-change endpoint
+ * that don't contain any errors.
+ */
+(function() {
+function oktaDetectSuccess() {
+  const PARENT_ORIGIN = 'chrome://password-change';
+
+  let messageFromParent;
+  function onMessageReceived(event) {
+    if (event.origin == PARENT_ORIGIN) {
+      messageFromParent = event;
+    }
+  }
+  window.addEventListener('message', onMessageReceived, false);
+
+  function checkResponse(responseUrl, responseData) {
+    if (responseUrl.includes('/internal_login/password') &&
+        !responseData.match(/"has[A-Za-z]*Errors":true/)) {
+      console.info('passwordChangeSuccess');
+      messageFromParent.source.postMessage(
+          'passwordChangeSuccess', PARENT_ORIGIN);
+    }
+  }
+
+  const proxied = window.XMLHttpRequest.prototype.send;
+
+  window.XMLHttpRequest.prototype.send = function() {
+    this.addEventListener('load', function() {
+      checkResponse(this.responseURL, this.response);
+    });
+    return proxied.apply(this, arguments);
+  };
+}
+
+/** Run a script in the window context - not isolated as a content-script. */
+function runInPageContext(jsFn) {
+  const script = document.createElement('script');
+  script.type = 'text/javascript';
+  script.innerHTML = '(' + jsFn + ')();';
+  document.head.prepend(script);
+}
+
+/** Wait until DOM is loaded, then run oktaDetectSuccess script. */
+function initialize() {
+  if (document.body && document.head) {
+    console.info('initialize');
+    runInPageContext(oktaDetectSuccess);
+  } else {
+    requestIdleCallback(initialize);
+  }
+}
+requestIdleCallback(initialize);
+})();