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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Utils provide logging functions and other JS functions commonly used by the | 5 // Utils provide logging functions and other JS functions commonly used by the |
6 // app and media players. | 6 // app and media players. |
7 var Utils = new function() { | 7 var Utils = new function() { |
8 } | 8 this.titleChanged = false; |
| 9 }; |
9 | 10 |
10 Utils.isHeartBeatMessage = function(msg) { | 11 // Adds options to document element. |
11 var message = String.fromCharCode.apply(null, msg); | 12 Utils.addOptions = function(elementID, keyValueOptions, disabledOptions) { |
12 return message.substring(0, HEART_BEAT_HEADER.length) == HEART_BEAT_HEADER; | 13 disabledOptions = disabledOptions || []; |
| 14 var selectElement = document.getElementById(elementID); |
| 15 var keys = Object.keys(keyValueOptions); |
| 16 for (var i = 0; i < keys.length; i++) { |
| 17 var key = keys[i]; |
| 18 var option = new Option(key, keyValueOptions[key]); |
| 19 option.title = keyValueOptions[key]; |
| 20 if (disabledOptions.indexOf(key) >= 0) |
| 21 option.disabled = true; |
| 22 selectElement.options.add(option); |
| 23 } |
13 }; | 24 }; |
14 | 25 |
15 Utils.convertToArray = function(input) { | 26 Utils.convertToArray = function(input) { |
16 if (Array.isArray(input)) | 27 if (Array.isArray(input)) |
17 return input; | 28 return input; |
18 return [input]; | 29 return [input]; |
19 }; | 30 }; |
20 | 31 |
21 Utils.getHexString = function(uintArray) { | |
22 var hex_str = ''; | |
23 for (var i = 0; i < uintArray.length; i++) { | |
24 var hex = uintArray[i].toString(16); | |
25 if (hex.length == 1) | |
26 hex = '0' + hex; | |
27 hex_str += hex; | |
28 } | |
29 return hex_str; | |
30 }; | |
31 | |
32 Utils.convertToUint8Array = function(msg) { | 32 Utils.convertToUint8Array = function(msg) { |
33 var ans = new Uint8Array(msg.length); | 33 var ans = new Uint8Array(msg.length); |
34 for (var i = 0; i < msg.length; i++) { | 34 for (var i = 0; i < msg.length; i++) { |
35 ans[i] = msg.charCodeAt(i); | 35 ans[i] = msg.charCodeAt(i); |
36 } | 36 } |
37 return ans; | 37 return ans; |
38 }; | 38 }; |
39 | 39 |
40 Utils.timeLog = function(/**/) { | |
41 function documentLog(time, log) { | |
42 var time = '<span style="color: green">' + time + '</span>'; | |
43 docLogs.innerHTML = time + ' - ' + log + '<br>' + docLogs.innerHTML; | |
44 } | |
45 | |
46 if (arguments.length == 0) | |
47 return; | |
48 var time = Utils.getCurrentTimeString(); | |
49 // Log to document. | |
50 documentLog(time, arguments[0]); | |
51 | |
52 // Log to JS console. | |
53 var args = []; | |
54 args.push(time + ' - '); | |
55 for (var i = 0; i < arguments.length; i++) { | |
56 args.push(arguments[i]); | |
57 } | |
58 console.log.apply(console, args); | |
59 }; | |
60 | |
61 Utils.getCurrentTimeString = function() { | |
62 var date = new Date(); | |
63 var hours = ('0' + date.getHours()).slice(-2); | |
64 var minutes = ('0' + date.getMinutes()).slice(-2); | |
65 var secs = ('0' + date.getSeconds()).slice(-2); | |
66 var milliSecs = ('00' + date.getMilliseconds()).slice(-3); | |
67 return hours + ':' + minutes + ':' + secs + '.' + milliSecs; | |
68 }; | |
69 | |
70 Utils.failTest = function(msg) { | |
71 var failMessage = 'FAIL: '; | |
72 // Handle exception messages; | |
73 if (msg.message) { | |
74 failMessage += msg.name ? msg.name : 'Error '; | |
75 failMessage += msg.message; | |
76 } | |
77 // Handle failing events. | |
78 else if (msg instanceof Event) | |
79 failMessage = msg.target + '.' + msg.type; | |
80 else | |
81 failMessage = msg; | |
82 Utils.timeLog('<span style="color: red">' + failMessage + '</span>', msg); | |
83 }; | |
84 | |
85 Utils.sendRequest = function(requestType, responseType, message, serverURL, | |
86 onSuccessCallbackFn) { | |
87 var xmlhttp = new XMLHttpRequest(); | |
88 xmlhttp.responseType = responseType; | |
89 xmlhttp.open(requestType, serverURL, true); | |
90 | |
91 xmlhttp.onload = function(e) { | |
92 if (this.status == 200) { | |
93 if (onSuccessCallbackFn) | |
94 onSuccessCallbackFn(this.response); | |
95 } else { | |
96 Utils.timeLog('Bad response status: ' + this.status); | |
97 Utils.timeLog('Bad response: ' + this.response); | |
98 } | |
99 }; | |
100 Utils.timeLog('Sending request to server: ' + serverURL); | |
101 xmlhttp.send(message); | |
102 }; | |
103 | |
104 // Adds options to document element. | |
105 Utils.addOptions = function(elementID, keyValueOptions) { | |
106 var selectElement = document.getElementById(elementID); | |
107 var keys = Object.keys(keyValueOptions); | |
108 for (var i = 0; i < keys.length; i++) { | |
109 var option = new Option(keys[i], keyValueOptions[keys[i]]); | |
110 option.title = keyValueOptions[keys[i]]; | |
111 selectElement.options.add(option); | |
112 } | |
113 }; | |
114 | |
115 Utils.createJWKData = function(keyId, key) { | 40 Utils.createJWKData = function(keyId, key) { |
116 // JWK routines copied from third_party/WebKit/LayoutTests/media/ | 41 // JWK routines copied from third_party/WebKit/LayoutTests/media/ |
117 // encrypted-media/encrypted-media-utils.js | 42 // encrypted-media/encrypted-media-utils.js |
118 // | 43 // |
119 // Encodes data (Uint8Array) into base64 string without trailing '='. | 44 // Encodes data (Uint8Array) into base64 string without trailing '='. |
120 // TODO(jrummell): Update once the EME spec is updated to say base64url | 45 // TODO(jrummell): Update once the EME spec is updated to say base64url |
121 // encoding. | 46 // encoding. |
122 function base64Encode(data) { | 47 function base64Encode(data) { |
123 var result = btoa(String.fromCharCode.apply(null, data)); | 48 var result = btoa(String.fromCharCode.apply(null, data)); |
124 return result.replace(/=+$/g, ''); | 49 return result.replace(/=+$/g, ''); |
(...skipping 16 matching lines...) Expand all Loading... |
141 if (i != 0) | 66 if (i != 0) |
142 jwkSet += ','; | 67 jwkSet += ','; |
143 jwkSet += arguments[i]; | 68 jwkSet += arguments[i]; |
144 } | 69 } |
145 jwkSet += ']}'; | 70 jwkSet += ']}'; |
146 return jwkSet; | 71 return jwkSet; |
147 } | 72 } |
148 | 73 |
149 return Utils.convertToUint8Array(createJWKSet(createJWK(keyId, key))); | 74 return Utils.convertToUint8Array(createJWKSet(createJWK(keyId, key))); |
150 }; | 75 }; |
| 76 |
| 77 Utils.documentLog = function(log, success, time) { |
| 78 if (!docLogs) |
| 79 return; |
| 80 time = time || Utils.getCurrentTimeString(); |
| 81 var timeLog = '<span style="color: green">' + time + '</span>'; |
| 82 var logColor = !success ? 'red' : 'black'; // default is true. |
| 83 log = '<span style="color: "' + logColor + '>' + log + '</span>'; |
| 84 docLogs.innerHTML = timeLog + ' - ' + log + '<br>' + docLogs.innerHTML; |
| 85 }; |
| 86 |
| 87 Utils.ensureOptionInList = function(listID, option) { |
| 88 var selectElement = document.getElementById(listID); |
| 89 for (var i = 0; i < selectElement.length; i++) { |
| 90 if (selectElement.options[i].value == option) { |
| 91 selectElement.value = option; |
| 92 return; |
| 93 } |
| 94 } |
| 95 // The list does not have the option, let's add it and select it. |
| 96 var optionElement = new Option(option, option); |
| 97 optionElement.title = option; |
| 98 selectElement.options.add(optionElement); |
| 99 selectElement.value = option; |
| 100 }; |
| 101 |
| 102 Utils.failTest = function(msg, newTitle) { |
| 103 var failMessage = 'FAIL: '; |
| 104 var title = 'FAILED'; |
| 105 // Handle exception messages; |
| 106 if (msg.message) { |
| 107 title = msg.name || 'Error'; |
| 108 failMessage += title + ' ' + msg.message; |
| 109 } else if (msg instanceof Event) { |
| 110 // Handle failing events. |
| 111 failMessage = msg.target + '.' + msg.type; |
| 112 title = msg.type; |
| 113 } else { |
| 114 failMessage += msg; |
| 115 } |
| 116 // Force newTitle if passed. |
| 117 title = newTitle || title; |
| 118 // Log failure. |
| 119 Utils.documentLog(failMessage, false); |
| 120 console.log(failMessage, msg); |
| 121 Utils.setResultInTitle(title); |
| 122 }; |
| 123 |
| 124 Utils.getCurrentTimeString = function() { |
| 125 var date = new Date(); |
| 126 var hours = ('0' + date.getHours()).slice(-2); |
| 127 var minutes = ('0' + date.getMinutes()).slice(-2); |
| 128 var secs = ('0' + date.getSeconds()).slice(-2); |
| 129 var milliSecs = ('00' + date.getMilliseconds()).slice(-3); |
| 130 return hours + ':' + minutes + ':' + secs + '.' + milliSecs; |
| 131 }; |
| 132 |
| 133 Utils.getDefaultKey = function(forceInvalidResponse) { |
| 134 if (forceInvalidResponse) { |
| 135 Utils.timeLog('Forcing invalid key data.'); |
| 136 return new Uint8Array([0xAA]); |
| 137 } |
| 138 return KEY; |
| 139 }; |
| 140 |
| 141 Utils.getHexString = function(uintArray) { |
| 142 var hex_str = ''; |
| 143 for (var i = 0; i < uintArray.length; i++) { |
| 144 var hex = uintArray[i].toString(16); |
| 145 if (hex.length == 1) |
| 146 hex = '0' + hex; |
| 147 hex_str += hex; |
| 148 } |
| 149 return hex_str; |
| 150 }; |
| 151 |
| 152 Utils.getInitDataFromMessage = function(message, mediaType) { |
| 153 var initData = message.message; |
| 154 if (mediaType.indexOf('mp4') != -1) { |
| 155 // Temporary hack for Clear Key in v0.1. |
| 156 // If content uses mp4, then message.message is PSSH data. Instead of |
| 157 // parsing that data we hard code the initData. |
| 158 initData = Utils.convertToUint8Array(KEY_ID); |
| 159 } |
| 160 return initData; |
| 161 }; |
| 162 |
| 163 Utils.hasPrefix = function(msg, prefix) { |
| 164 var message = String.fromCharCode.apply(null, msg); |
| 165 return message.substring(0, prefix.length) == prefix; |
| 166 }; |
| 167 |
| 168 Utils.installTitleEventHandler = function(element, event) { |
| 169 element.addEventListener(event, function(e) { |
| 170 Utils.setResultInTitle(e.type); |
| 171 }, false); |
| 172 }; |
| 173 |
| 174 Utils.isHeartBeatMessage = function(msg) { |
| 175 return Utils.hasPrefix(msg, HEART_BEAT_HEADER); |
| 176 }; |
| 177 |
| 178 Utils.resetTitleChange = function() { |
| 179 this.titleChanged = false; |
| 180 document.title = ''; |
| 181 }; |
| 182 |
| 183 Utils.sendRequest = function(requestType, responseType, message, serverURL, |
| 184 onSuccessCallbackFn, forceInvalidResponse) { |
| 185 var requestAttemptCount = 0; |
| 186 var MAXIMUM_REQUEST_ATTEMPTS = 3; |
| 187 var REQUEST_RETRY_DELAY_MS = 3000; |
| 188 |
| 189 function sendRequestAttempt() { |
| 190 requestAttemptCount++; |
| 191 if (requestAttemptCount == MAXIMUM_REQUEST_ATTEMPTS) { |
| 192 Utils.failTest('FAILED: Exceeded maximum license request attempts.'); |
| 193 return; |
| 194 } |
| 195 |
| 196 var xmlhttp = new XMLHttpRequest(); |
| 197 xmlhttp.responseType = responseType; |
| 198 xmlhttp.open(requestType, serverURL, true); |
| 199 |
| 200 xmlhttp.onload = function(e) { |
| 201 if (this.status == 200) { |
| 202 if (onSuccessCallbackFn) |
| 203 onSuccessCallbackFn(this.response); |
| 204 } else { |
| 205 Utils.timeLog('Bad response status: ' + this.status); |
| 206 Utils.timeLog('Bad response: ' + this.response); |
| 207 Utils.timeLog('Retrying request if possible in ' + |
| 208 LICENSE_REQUEST_RETRY_DELAY_MS + 'ms'); |
| 209 setTimeout(sendRequestAttempt, LICENSE_REQUEST_RETRY_DELAY_MS); |
| 210 } |
| 211 }; |
| 212 Utils.timeLog('Attempt (' + requestAttemptCount + |
| 213 '): sending request to server: ' + serverURL); |
| 214 xmlhttp.send(message); |
| 215 } |
| 216 |
| 217 if (forceInvalidResponse) { |
| 218 Utils.timeLog('Not sending request - forcing an invalid response.'); |
| 219 return onSuccessCallbackFn([0xAA]); |
| 220 } |
| 221 sendRequestAttempt(); |
| 222 }; |
| 223 |
| 224 Utils.setResultInTitle = function(title) { |
| 225 // If document title is 'ENDED', then update it with new title to possibly |
| 226 // mark a test as failure. Otherwise, keep the first title change in place. |
| 227 if (!this.titleChanged || document.title.toUpperCase() == 'ENDED') |
| 228 document.title = title.toUpperCase(); |
| 229 Utils.timeLog('Set document title to: ' + title + ', updated title: ' + |
| 230 document.title); |
| 231 this.titleChanged = true; |
| 232 }; |
| 233 |
| 234 Utils.timeLog = function(/**/) { |
| 235 if (arguments.length == 0) |
| 236 return; |
| 237 var time = Utils.getCurrentTimeString(); |
| 238 // Log to document. |
| 239 Utils.documentLog(arguments[0], time); |
| 240 // Log to JS console. |
| 241 var logString = time + ' - '; |
| 242 for (var i = 0; i < arguments.length; i++) { |
| 243 logString += ' ' + arguments[i]; |
| 244 } |
| 245 console.log(logString); |
| 246 }; |
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