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| 1 <!-- | |
| 2 Copyright (C) 2011 Google Inc. All rights reserved. | |
| 3 | |
| 4 Redistribution and use in source and binary forms, with or without | |
| 5 modification, are permitted provided that the following conditions | |
| 6 are met: | |
| 7 1. Redistributions of source code must retain the above copyright | |
| 8 notice, this list of conditions and the following disclaimer. | |
| 9 2. Redistributions in binary form must reproduce the above copyright | |
| 10 notice, this list of conditions and the following disclaimer in the | |
| 11 documentation and/or other materials provided with the distribution. | |
| 12 | |
| 13 THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
| 14 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 15 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
| 17 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 --> | |
| 25 | |
| 26 <script> | |
| 27 // TODO: Move sheriff-o-matic to this repository and merge the net | |
| 28 // library. | |
| 29 | |
| 30 var net = net || {}; | |
| 31 | |
| 32 (function () { | |
| 33 var cache = {}; | |
| 34 var cacheURLs = []; | |
| 35 var cacheLimit = 1000; | |
| 36 | |
| 37 function updateCache(url, text) | |
| 38 { | |
| 39 var alreadyExists = url in cache; | |
| 40 cache[url] = text; | |
| 41 if (alreadyExists) | |
| 42 return; | |
| 43 cacheURLs.push(url); | |
| 44 if (cacheURLs.length > cacheLimit) | |
| 45 delete cache[cacheURLs.shift()]; | |
| 46 } | |
| 47 | |
| 48 function clearCache(url) | |
| 49 { | |
| 50 cacheURLs.remove(cacheURLs.indexOf(url)) | |
| 51 delete cache[url]; | |
| 52 } | |
| 53 | |
| 54 net.json = function(options) | |
| 55 { | |
| 56 return net.ajax(options).then(JSON.parse); | |
| 57 }; | |
| 58 | |
| 59 net.ajax = function(options) | |
| 60 { | |
| 61 return new Promise(function(resolve, reject) { | |
| 62 if (options.url in cache) { | |
| 63 if (options.cache) { | |
| 64 resolve(cache[options.url]); | |
| 65 return; | |
| 66 } else { | |
| 67 clearCache(options.url); | |
| 68 } | |
| 69 } | |
| 70 var xhr = new XMLHttpRequest(); | |
| 71 var method = options.type || 'GET'; | |
| 72 var async = true; | |
| 73 xhr.open(method, options.url, async); | |
| 74 xhr.onload = function() { | |
| 75 if (xhr.status == 200) { | |
| 76 if (options.cache) | |
| 77 updateCache(options.url, xhr.responseText); | |
| 78 resolve(xhr.responseText); | |
| 79 } else if (xhr.status != 200) { | |
| 80 reject(Error(xhr.statusText)); | |
| 81 } | |
| 82 }; | |
| 83 xhr.onerror = function(error) { | |
| 84 reject(error); | |
| 85 }; | |
| 86 var data = options.data || null; | |
| 87 if (data) | |
| 88 xhr.setRequestHeader("content-type","application/x-www-form-urlencod
ed"); | |
| 89 xhr.send(data); | |
| 90 }); | |
| 91 }; | |
| 92 | |
| 93 net.probe = function(url) | |
| 94 { | |
| 95 return net.ajax({ | |
| 96 url: url, | |
| 97 type: 'HEAD', | |
| 98 }); | |
| 99 }; | |
| 100 | |
| 101 net._parseJSONP = function(jsonp) | |
| 102 { | |
| 103 if (!jsonp) | |
| 104 return {}; | |
| 105 | |
| 106 if (!jsonp.match(/^[^{[]*\(/)) | |
| 107 return JSON.parse(jsonp); | |
| 108 | |
| 109 var startIndex = jsonp.indexOf('(') + 1; | |
| 110 var endIndex = jsonp.lastIndexOf(')'); | |
| 111 if (startIndex == 0 || endIndex == -1) | |
| 112 return {}; | |
| 113 return JSON.parse(jsonp.substr(startIndex, endIndex - startIndex)); | |
| 114 }; | |
| 115 | |
| 116 // We use XMLHttpRequest and CORS to fetch JSONP rather than using script tags. | |
| 117 // That's better for security and performance, but we need the server to coopera
te | |
| 118 // by setting CORS headers. | |
| 119 net.jsonp = function(options) | |
| 120 { | |
| 121 return net.ajax(options).then(function(jsonp) { | |
| 122 return net._parseJSONP(jsonp); | |
| 123 }).catch(function(error) { | |
| 124 return {}; | |
| 125 }); | |
| 126 }; | |
| 127 | |
| 128 })(); | |
| 129 | |
| 130 </script> | |
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Chromium Code Reviews
Issue 774323002:
Moved trooper_o_matic to appengine/ (Closed)
Base URL: https://chromium.googlesource.com/infra/infra.git@master