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| 1 | +/* initGeetest 1.0.0 |
| 2 | + * 用于加载id对应的验证码库，并支持宕机模式 |
| 3 | + * 暴露 initGeetest 进行验证码的初始化 |
| 4 | + * 一般不需要用户进行修改 |
| 5 | + */ |
| 6 | +let initGeetest = (function (global, factory) { |
| 7 | + 'use strict' |
| 8 | + if (typeof module === 'object' && typeof module.exports === 'object') { |
| 9 | + // CommonJS |
| 10 | + module.exports = global.document ? |
| 11 | + factory(global, true) : |
| 12 | + function (w) { |
| 13 | + if (!w.document) { |
| 14 | + throw new Error('Geetest requires a window with a document') |
| 15 | + } |
| 16 | + return factory(w) |
| 17 | + } |
| 18 | + } else { |
| 19 | + factory(global) |
| 20 | + } |
| 21 | +})(typeof window !== 'undefined' ? window : this, function (window, noGlobal) { |
| 22 | + 'use strict' |
| 23 | + if (typeof window === 'undefined') { |
| 24 | + throw new Error('Geetest requires browser environment') |
| 25 | + } |
| 26 | + var document = window.document |
| 27 | + var Math = window.Math |
| 28 | + var head = document.getElementsByTagName('head')[0] |
| 29 | + |
| 30 | + function _Object(obj) { |
| 31 | + this._obj = obj |
| 32 | + } |
| 33 | + |
| 34 | + _Object.prototype = { |
| 35 | + _each: function (process) { |
| 36 | + var _obj = this._obj |
| 37 | + for (var k in _obj) { |
| 38 | + if (_obj.hasOwnProperty(k)) { |
| 39 | + process(k, _obj[k]) |
| 40 | + } |
| 41 | + } |
| 42 | + return this |
| 43 | + } |
| 44 | + } |
| 45 | + |
| 46 | + function Config(config) { |
| 47 | + var self = this |
| 48 | + new _Object(config)._each(function (key, value) { |
| 49 | + self[key] = value |
| 50 | + }) |
| 51 | + } |
| 52 | + |
| 53 | + Config.prototype = { |
| 54 | + api_server: 'api.geetest.com', |
| 55 | + protocol: 'http://', |
| 56 | + type_path: '/gettype.php', |
| 57 | + fallback_config: { |
| 58 | + slide: { |
| 59 | + static_servers: ['static.geetest.com', 'dn-staticdown.qbox.me'], |
| 60 | + type: 'slide', |
| 61 | + slide: '/static/js/geetest.0.0.0.js' |
| 62 | + }, |
| 63 | + fullpage: { |
| 64 | + static_servers: ['static.geetest.com', 'dn-staticdown.qbox.me'], |
| 65 | + type: 'fullpage', |
| 66 | + fullpage: '/static/js/fullpage.0.0.0.js' |
| 67 | + } |
| 68 | + }, |
| 69 | + _get_fallback_config: function () { |
| 70 | + var self = this |
| 71 | + if (isString(self.type)) { |
| 72 | + return self.fallback_config[self.type] |
| 73 | + } else if (self.new_captcha) { |
| 74 | + return self.fallback_config.fullpage |
| 75 | + } else { |
| 76 | + return self.fallback_config.slide |
| 77 | + } |
| 78 | + }, |
| 79 | + _extend: function (obj) { |
| 80 | + var self = this |
| 81 | + new _Object(obj)._each(function (key, value) { |
| 82 | + self[key] = value |
| 83 | + }) |
| 84 | + } |
| 85 | + } |
| 86 | + var isNumber = function (value) { |
| 87 | + return (typeof value === 'number') |
| 88 | + } |
| 89 | + var isString = function (value) { |
| 90 | + return (typeof value === 'string') |
| 91 | + } |
| 92 | + var isBoolean = function (value) { |
| 93 | + return (typeof value === 'boolean') |
| 94 | + } |
| 95 | + var isObject = function (value) { |
| 96 | + return (typeof value === 'object' && value !== null) |
| 97 | + } |
| 98 | + var isFunction = function (value) { |
| 99 | + return (typeof value === 'function') |
| 100 | + } |
| 101 | + var callbacks = {} |
| 102 | + var status = {} |
| 103 | + var random = function () { |
| 104 | + return parseInt(Math.random() * 10000) + (new Date()).valueOf() |
| 105 | + } |
| 106 | + var loadScript = function (url, cb) { |
| 107 | + var script = document.createElement('script') |
| 108 | + script.charset = 'UTF-8' |
| 109 | + script.async = true |
| 110 | + script.onerror = function () { |
| 111 | + cb(true) |
| 112 | + } |
| 113 | + var loaded = false |
| 114 | + script.onload = script.onreadystatechange = function () { |
| 115 | + if (!loaded && |
| 116 | + (!script.readyState || |
| 117 | + 'loaded' === script.readyState || |
| 118 | + 'complete' === script.readyState)) { |
| 119 | + |
| 120 | + loaded = true |
| 121 | + setTimeout(function () { |
| 122 | + cb(false) |
| 123 | + }, 0) |
| 124 | + } |
| 125 | + } |
| 126 | + script.src = url |
| 127 | + head.appendChild(script) |
| 128 | + } |
| 129 | + var normalizeDomain = function (domain) { |
| 130 | + return domain.replace(/^https?:\/\/|\/$/g, '') |
| 131 | + } |
| 132 | + var normalizePath = function (path) { |
| 133 | + path = path.replace(/\/+/g, '/') |
| 134 | + if (path.indexOf('/') !== 0) { |
| 135 | + path = '/' + path |
| 136 | + } |
| 137 | + return path |
| 138 | + } |
| 139 | + var normalizeQuery = function (query) { |
| 140 | + if (!query) { |
| 141 | + return '' |
| 142 | + } |
| 143 | + var q = '?' |
| 144 | + new _Object(query)._each(function (key, value) { |
| 145 | + if (isString(value) || isNumber(value) || isBoolean(value)) { |
| 146 | + q = q + encodeURIComponent(key) + '=' + encodeURIComponent(value) + '&' |
| 147 | + } |
| 148 | + }) |
| 149 | + if (q === '?') { |
| 150 | + q = '' |
| 151 | + } |
| 152 | + return q.replace(/&$/, '') |
| 153 | + } |
| 154 | + var makeURL = function (protocol, domain, path, query) { |
| 155 | + domain = normalizeDomain(domain) |
| 156 | + |
| 157 | + var url = normalizePath(path) + normalizeQuery(query) |
| 158 | + if (domain) { |
| 159 | + url = protocol + domain + url |
| 160 | + } |
| 161 | + |
| 162 | + return url |
| 163 | + } |
| 164 | + var load = function (protocol, domains, path, query, cb) { |
| 165 | + var tryRequest = function (at) { |
| 166 | + |
| 167 | + var url = makeURL(protocol, domains[at], path, query) |
| 168 | + loadScript(url, function (err) { |
| 169 | + if (err) { |
| 170 | + if (at >= domains.length - 1) { |
| 171 | + cb(true) |
| 172 | + } else { |
| 173 | + tryRequest(at + 1) |
| 174 | + } |
| 175 | + } else { |
| 176 | + cb(false) |
| 177 | + } |
| 178 | + }) |
| 179 | + } |
| 180 | + tryRequest(0) |
| 181 | + } |
| 182 | + var jsonp = function (domains, path, config, callback) { |
| 183 | + if (isObject(config.getLib)) { |
| 184 | + config._extend(config.getLib) |
| 185 | + callback(config) |
| 186 | + return |
| 187 | + } |
| 188 | + if (config.offline) { |
| 189 | + callback(config._get_fallback_config()) |
| 190 | + return |
| 191 | + } |
| 192 | + var cb = 'geetest_' + random() |
| 193 | + window[cb] = function (data) { |
| 194 | + if (data.status === 'success') { |
| 195 | + callback(data.data) |
| 196 | + } else if (!data.status) { |
| 197 | + callback(data) |
| 198 | + } else { |
| 199 | + callback(config._get_fallback_config()) |
| 200 | + } |
| 201 | + window[cb] = undefined |
| 202 | + try { |
| 203 | + delete window[cb] |
| 204 | + } catch (e) { |
| 205 | + } |
| 206 | + } |
| 207 | + load(config.protocol, domains, path, { |
| 208 | + gt: config.gt, |
| 209 | + callback: cb |
| 210 | + }, function (err) { |
| 211 | + if (err) { |
| 212 | + callback(config._get_fallback_config()) |
| 213 | + } |
| 214 | + }) |
| 215 | + } |
| 216 | + var throwError = function (errorType, config) { |
| 217 | + var errors = { |
| 218 | + networkError: '网络错误' |
| 219 | + } |
| 220 | + if (typeof config.onError === 'function') { |
| 221 | + config.onError(errors[errorType]) |
| 222 | + } else { |
| 223 | + throw new Error(errors[errorType]) |
| 224 | + } |
| 225 | + } |
| 226 | + var detect = function () { |
| 227 | + return !!window.Geetest |
| 228 | + } |
| 229 | + if (detect()) { |
| 230 | + status.slide = 'loaded' |
| 231 | + } |
| 232 | + var initGeetest = function (userConfig, callback) { |
| 233 | + var config = new Config(userConfig) |
| 234 | + if (userConfig.https) { |
| 235 | + config.protocol = 'https://' |
| 236 | + } else if (!userConfig.protocol) { |
| 237 | + config.protocol = window.location.protocol + '//' |
| 238 | + } |
| 239 | + jsonp([config.api_server || config.apiserver], config.type_path, config, function (newConfig) { |
| 240 | + var type = newConfig.type |
| 241 | + var init = function () { |
| 242 | + config._extend(newConfig) |
| 243 | + callback(new window.Geetest(config)) |
| 244 | + } |
| 245 | + callbacks[type] = callbacks[type] || [] |
| 246 | + var s = status[type] || 'init' |
| 247 | + if (s === 'init') { |
| 248 | + status[type] = 'loading' |
| 249 | + callbacks[type].push(init) |
| 250 | + load(config.protocol, newConfig.static_servers || newConfig.domains, newConfig[type] || newConfig.path, null, function (err) { |
| 251 | + if (err) { |
| 252 | + status[type] = 'fail' |
| 253 | + throwError('networkError', config) |
| 254 | + } else { |
| 255 | + status[type] = 'loaded' |
| 256 | + var cbs = callbacks[type] |
| 257 | + for (var i = 0, len = cbs.length; i < len; i = i + 1) { |
| 258 | + var cb = cbs[i] |
| 259 | + if (isFunction(cb)) { |
| 260 | + cb() |
| 261 | + } |
| 262 | + } |
| 263 | + callbacks[type] = [] |
| 264 | + } |
| 265 | + }) |
| 266 | + } else if (s === 'loaded') { |
| 267 | + init() |
| 268 | + } else if (s === 'fail') { |
| 269 | + throwError('networkError', config) |
| 270 | + } else if (s === 'loading') { |
| 271 | + callbacks[type].push(init) |
| 272 | + } |
| 273 | + }) |
| 274 | + } |
| 275 | + window.initGeetest = initGeetest |
| 276 | + return initGeetest |
| 277 | +}) |
| 278 | + |
| 279 | +export default initGeetest |
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