chrome/browser/resources/security_warnings/interstitial_v2.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // This is the shared code for the new (Chrome 37) security interstitials. It is
   6 // used for both SSL interstitials and Safe Browsing interstitials.
   7
   8 var expandedDetails = false;
   9 var keyPressState = 0;
  10
  11 /**
  12  * A convenience method for sending commands to the parent page.
  13  * @param {string} cmd  The command to send.
  14  */
  15 function sendCommand(cmd) {
  16   window.domAutomationController.setAutomationId(1);
  17   window.domAutomationController.send(cmd);
  18 }
  19
  20 /**
  21  * This allows errors to be skippped by typing "danger" into the page.
  22  * @param {string} e The key that was just pressed.
  23  */
  24 function handleKeypress(e) {
  25   var BYPASS_SEQUENCE = 'danger';
  26   if (BYPASS_SEQUENCE.charCodeAt(keyPressState) == e.keyCode) {
  27     keyPressState++;
  28     if (keyPressState == BYPASS_SEQUENCE.length) {
  29       sendCommand(SSL_CMD_PROCEED);
  30       keyPressState = 0;
  31     }
  32   } else {
  33     keyPressState = 0;
  34   }
  35 }
  36
  37 /**
  38  * This appends a piece of debugging information to the end of the warning.
  39  * When complete, the caller must also make the debugging div
  40  * (error-debugging-info) visible.
  41  * @param {string} title  The name of this debugging field.
  42  * @param {string} value  The value of the debugging field.
  43  */
  44 function appendDebuggingField(title, value) {
  45   // The values input here are not trusted. Never use innerHTML on these
  46   // values!
  47   var spanTitle = document.createElement('span');
  48   spanTitle.classList.add('debugging-title');
  49   spanTitle.innerText = title + ': ';
  50
  51   var spanValue = document.createElement('span');
  52   spanValue.classList.add('debugging-value');
  53   spanValue.innerText = value;
  54
  55   var pElem = document.createElement('p');
  56   pElem.classList.add('debugging-content');
  57   pElem.appendChild(spanTitle);
  58   pElem.appendChild(spanValue);
  59   $('error-debugging-info').appendChild(pElem);
  60 }
  61
  62 function toggleDebuggingInfo() {
  63   $('error-debugging-info').classList.toggle('hidden');
  64 }
  65
  66 function setupEvents() {
  67   var overridable = loadTimeData.getBoolean('overridable');
  68   var ssl = loadTimeData.getString('type') === 'SSL';
  69   var badClock = ssl && loadTimeData.getBoolean('bad_clock');
  70   var hidePrimaryButton = badClock && loadTimeData.getBoolean(
  71       'hide_primary_button');
  72
  73   if (ssl) {
  74     $('body').classList.add(badClock ? 'bad-clock' : 'ssl');
  75     $('error-code').textContent = loadTimeData.getString('errorCode');
  76     $('error-code').classList.remove('hidden');
  77   } else {
  78     $('body').classList.add('safe-browsing');
  79   }
  80
  81   if (hidePrimaryButton) {
  82     $('primary-button').classList.add('hidden');
  83   } else {
  84     $('primary-button').addEventListener('click', function() {
  85       if (!ssl)
  86         sendCommand(SB_CMD_TAKE_ME_BACK);
  87       else if (badClock)
  88         sendCommand(SSL_CMD_CLOCK);
  89       else if (overridable)
  90         sendCommand(SSL_CMD_DONT_PROCEED);
  91       else
  92         sendCommand(SSL_CMD_RELOAD);
  93     });
  94   }
  95
  96   if (overridable) {
  97     $('proceed-link').addEventListener('click', function(event) {
  98       sendCommand(ssl ? SSL_CMD_PROCEED : SB_CMD_PROCEED);
  99     });
 100   } else if (!ssl) {
 101     $('final-paragraph').classList.add('hidden');
 102   }
 103
 104   if (ssl && overridable) {
 105     $('proceed-link').classList.add('small-link');
 106   } else if ($('help-link')) {
 107     // Overridable SSL page doesn't have this link.
 108     $('help-link').addEventListener('click', function(event) {
 109       if (ssl)
 110         sendCommand(SSL_CMD_HELP);
 111       else if (loadTimeData.getBoolean('phishing'))
 112         sendCommand(SB_CMD_LEARN_MORE_2);
 113       else
 114         sendCommand(SB_CMD_SHOW_DIAGNOSTIC);
 115     });
 116   }
 117
 118   $('details-button').addEventListener('click', function(event) {
 119     var hiddenDetails = $('details').classList.toggle('hidden');
 120     $('details-button').innerText = hiddenDetails ?
 121         loadTimeData.getString('openDetails') :
 122         loadTimeData.getString('closeDetails');
 123     if (!expandedDetails) {
 124       // Record a histogram entry only the first time that details is opened.
 125       sendCommand(ssl ? SSL_CMD_MORE : SB_CMD_EXPANDED_SEE_MORE);
 126       expandedDetails = true;
 127     }
 128   });
 129
 130   preventDefaultOnPoundLinkClicks();
 131   setupCheckbox();
 132   setupSSLDebuggingInfo();
 133   document.addEventListener('keypress', handleKeypress);
 134 }
 135
 136 document.addEventListener('DOMContentLoaded', setupEvents);