Chromium Code Reviews Chromium Code Reviews
Issue 2700473003:
Support the removal of only session cookies or persistent cookies (Closed)
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| 1 <!doctype html> | |
| 2 <!-- | |
| 3 * Copyright 2013 The Chromium Authors. All rights reserved. Use of this | |
| 4 * source code is governed by a BSD-style license that can be found in the | |
| 5 * LICENSE file. | |
| 6 --> | |
| 7 <html> | |
| 8 <head> | |
| 9 <script type="text/javascript"> | |
| 10 // A guest that stores and deletes cookies. | |
| 11 // Note that the embedder has to initiate a postMessage first so that | |
| 12 // the guest has a reference to the embedder's window. | |
| 13 | |
| 14 // The window reference of the embedder to send post message reply. | |
| 15 var embedderWindowChannel = null; | |
| 16 | |
| 17 // A value that uniquely identifies the guest sending the messages to the | |
| 18 // embedder. | |
| 19 var channelId = 0; | |
| 20 var notifyEmbedder = function(msg_array) { | |
|
lazyboy
2017/02/15 21:45:26
msgArray
lfg
2017/02/15 22:44:00
Done.
| |
| 21 var msg = msg_array.concat([channelId]); | |
| 22 embedderWindowChannel.postMessage(JSON.stringify(msg), '*'); | |
| 23 }; | |
| 24 | |
| 25 var SPLIT_RE_ = /\s*;\s*/; | |
| 26 var setCookie = function(name, value) { // Just a random future time. | |
| 27 var futureDate = new Date((+new Date) + 10000 * 1000); | |
| 28 document.cookie = | |
| 29 name + '=' + value + ';expires=' + futureDate.toUTCString(); | |
| 30 }; | |
| 31 var setSessionCookie = function (name, value) { // Session cookie. | |
| 32 document.cookie = name + '=' + value; | |
| 33 }; | |
| 34 var getCookie = function (name) { | |
| 35 var nameEq = name + '='; | |
| 36 var parts = (document.cookie || '').split(SPLIT_RE_); | |
| 37 for (var i = 0; i < parts.length; ++i) { | |
| 38 var part = parts[i]; | |
| 39 if (part.lastIndexOf(nameEq, 0) == 0) { | |
|
lazyboy
2017/02/15 21:45:26
part.startsWith(nameEq) will also work.
lfg
2017/02/15 22:44:00
Done.
| |
| 40 return part.substr(nameEq.length); | |
| 41 } | |
| 42 if (part == name) { | |
| 43 return ''; | |
| 44 } | |
| 45 } | |
| 46 return undefined; | |
| 47 }; | |
| 48 | |
| 49 var addCookies = function() { | |
| 50 window.console.log('setCookie: foo = fooValue'); | |
| 51 setCookie("foo", "fooValue"); | |
|
lazyboy
2017/02/15 21:45:26
nit: here and elsewhere: all strings single quoted
lfg
2017/02/15 22:44:00
Done.
| |
| 52 window.console.log('setSessionCookie: bar = barValue'); | |
| 53 setSessionCookie("bar", "barValue"); | |
| 54 notifyEmbedder(['step2.cookies-added']); | |
| 55 }; | |
| 56 | |
| 57 var onPostMessageReceived = function(e) { | |
| 58 embedderWindowChannel = e.source; | |
| 59 var data = JSON.parse(e.data); | |
| 60 if (data[0] == 'create-channel') { | |
| 61 window.console.log('guest: create-channel'); | |
| 62 channelId = data[1]; | |
| 63 notifyEmbedder(['channel-created']); | |
| 64 return; | |
| 65 } | |
| 66 | |
| 67 window.console.log('guest.onPostMessageReceived: ' + data[0]); | |
| 68 // Tests. | |
| 69 // These logs trigger event listeners in the embedder. | |
| 70 switch (data[0]) { | |
| 71 case 'step1.add-cookies': | |
| 72 window.console.log('guest.' + data[0]); | |
| 73 addCookies(); | |
| 74 break; | |
| 75 case 'step3.get-cookies': | |
| 76 window.console.log('guest.' + data[0]); | |
| 77 var retValues = ['step4.got-cookies']; | |
| 78 var cookieValues = []; | |
| 79 for (var i = 1; i < data.length; ++i) { | |
| 80 cookieValues.push(getCookie(data[i])); | |
| 81 } | |
| 82 retValues.push(cookieValues); | |
| 83 notifyEmbedder(retValues); | |
| 84 break; | |
| 85 default: | |
| 86 break; | |
| 87 } | |
| 88 }; | |
| 89 window.addEventListener('message', onPostMessageReceived, false); | |
| 90 </script> | |
| 91 </head> | |
| 92 <body> | |
| 93 <div>Guest that stores and retrieves certain cookies.</div> | |
| 94 </body> | |
| 95 </html> | |
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