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// Copyright 2016 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.
/**
* @fileoverview
*
* 'settings-password-prompt-dialog' shows a dialog which asks for the user to
* enter their password. It validates the password is correct. Once the user has
* entered their account password, the page fires an 'authenticated' event and
* updates the authToken binding.
*
* Example:
*
* <settings-password-prompt-dialog
* id="passwordPrompt"
* password-prompt-text="{{passwordPromptText}}"
* auth-token="{{authToken}}">
* </settings-password-prompt-dialog>
*/
(function() {
'use strict';
Polymer({
is: 'settings-password-prompt-dialog',
properties: {
/**
* The subtext to be displayed above the password input field. Embedders
* may choose to change this value for their specific use case.
* @type {string}
*/
passwordPromptText: {
type: String,
notify: true,
value: '',
},
/**
* Authentication token returned by quickUnlockPrivate.getAuthToken().
* Should be passed to API calls which require authentication.
* @type {string}
*/
authToken: {
type: String,
notify: true,
},
/**
* @private {string}
*/
inputValue_: {
type: String,
value: '',
observer: 'onInputValueChange_',
},
/**
* Helper property which marks password as valid/invalid.
* @private {boolean}
*/
passwordInvalid_: {
type: Boolean,
value: false,
},
/**
* Interface for chrome.quickUnlockPrivate calls. May be overridden by
* tests.
* @type {QuickUnlockPrivate}
*/
quickUnlockPrivate: {type: Object, value: chrome.quickUnlockPrivate},
},
/** @return {!CrInputElement} */
get passwordInput() {
return this.$.passwordInput;
},
/** @override */
attached: function() {
this.$.dialog.showModal();
// This needs to occur at the next paint otherwise the password input will
// not receive focus.
this.async(() => {
// TODO(crbug.com/876377): This is unusual; the 'autofocus' attribute on
// the cr-input element should work. Investigate.
this.passwordInput.focus();
}, 1 /* waitTime */);
},
/** @private */
onCancelTap_: function() {
if (this.$.dialog.open) {
this.$.dialog.close();
}
},
/**
* The timeout ID to pass to clearTimeout() to cancel auth token
* invalidation.
* @private {number|undefined}
*/
clearAccountPasswordTimeoutId_: undefined,
/**
* Run the account password check.
* @private
*/
submitPassword_: function() {
clearTimeout(this.clearAccountPasswordTimeoutId_);
const password = this.passwordInput.value;
// The user might have started entering a password and then deleted it all.
// Do not submit/show an error in this case.
if (!password) {
this.passwordInvalid_ = false;
return;
}
this.quickUnlockPrivate.getAuthToken(password, (tokenInfo) => {
if (chrome.runtime.lastError) {
this.passwordInvalid_ = true;
// Select the whole password if user entered an incorrect password.
this.passwordInput.select();
return;
}
this.authToken = tokenInfo.token;
this.passwordInvalid_ = false;
// Clear |this.authToken| after tokenInfo.lifetimeSeconds.
// Subtract time from the expiration time to account for IPC delays.
// Treat values less than the minimum as 0 for testing.
const IPC_SECONDS = 2;
const lifetimeMs = tokenInfo.lifetimeSeconds > IPC_SECONDS ?
(tokenInfo.lifetimeSeconds - IPC_SECONDS) * 1000 :
0;
this.clearAccountPasswordTimeoutId_ = setTimeout(() => {
this.authToken = '';
}, lifetimeMs);
if (this.$.dialog.open) {
this.$.dialog.close();
}
});
},
/** @private */
onInputValueChange_: function() {
this.passwordInvalid_ = false;
},
/** @private */
isConfirmEnabled_: function() {
return !this.passwordInvalid_ && this.inputValue_;
},
});
})();
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