| 1 | | // Load modules |
| 2 | | |
| 3 | 1 | var Fs = require('fs'); |
| 4 | 1 | var Async = require('async'); |
| 5 | | |
| 6 | | |
| 7 | | // Declare internals |
| 8 | | |
| 9 | 1 | var internals = {}; |
| 10 | | |
| 11 | | |
| 12 | | // Clone object or array |
| 13 | | |
| 14 | 1 | exports.clone = function (obj) { |
| 15 | | |
| 16 | 1 | if (obj === null || |
| 17 | | obj === undefined) { |
| 18 | | |
| 19 | 0 | return null; |
| 20 | | } |
| 21 | | |
| 22 | 1 | var newObj = (obj instanceof Array) ? [] : {}; |
| 23 | | |
| 24 | 1 | for (var i in obj) { |
| 25 | 3 | if (obj.hasOwnProperty(i)) { |
| 26 | 3 | if (obj[i] instanceof Date) { |
| 27 | 1 | newObj[i] = new Date(obj[i].getTime()); |
| 28 | | } |
| 29 | 2 | else if (obj[i] instanceof RegExp) { |
| 30 | 0 | var flags = '' + (obj[i].global ? 'g' : '') + (obj[i].ignoreCase ? 'i' : '') + (obj[i].multiline ? 'm' : '') + (obj[i].sticky ? 'y' : ''); |
| 31 | 0 | newObj[i] = new RegExp(obj[i].source, flags); |
| 32 | | } |
| 33 | 2 | else if (typeof obj[i] === 'object') { |
| 34 | 0 | newObj[i] = exports.clone(obj[i]); |
| 35 | | } |
| 36 | | else { |
| 37 | 2 | newObj[i] = obj[i]; |
| 38 | | } |
| 39 | | } |
| 40 | | } |
| 41 | | |
| 42 | 1 | return newObj; |
| 43 | | }; |
| 44 | | |
| 45 | | |
| 46 | | // Merge all the properties of source into target, source wins in conflic, and by default null and undefined from source are applied |
| 47 | | |
| 48 | 1 | exports.merge = function (target, source, isNullOverride /* = true */, isMergeArrays /* = true */) { |
| 49 | | |
| 50 | 1 | if (source) { |
| 51 | 1 | if (source instanceof Array) { |
| 52 | 0 | target = (isMergeArrays !== false ? (target || []).concat(source) : source); |
| 53 | | } |
| 54 | | else { |
| 55 | 1 | target = target || {}; |
| 56 | | |
| 57 | 1 | for (var key in source) { |
| 58 | 3 | if (source.hasOwnProperty(key)) { |
| 59 | 3 | var value = source[key]; |
| 60 | | |
| 61 | 3 | if (value && |
| 62 | | typeof value === 'object') { |
| 63 | | |
| 64 | 1 | if (value instanceof Date) { |
| 65 | 1 | target[key] = new Date(value.getTime()); |
| 66 | | } |
| 67 | 0 | else if (value instanceof RegExp) { |
| 68 | 0 | var flags = '' + (value.global ? 'g' : '') + (value.ignoreCase ? 'i' : '') + (value.multiline ? 'm' : '') + (value.sticky ? 'y' : ''); |
| 69 | 0 | target[key] = new RegExp(value.source, flags); |
| 70 | | } |
| 71 | | else { |
| 72 | 0 | target[key] = exports.merge(target[key], source[key], isNullOverride, isMergeArrays); |
| 73 | | } |
| 74 | | } |
| 75 | | else { |
| 76 | 2 | if ((value !== null && value !== undefined) || // Explicit to preserve empty strings |
| 77 | | isNullOverride !== false) { |
| 78 | | |
| 79 | 2 | target[key] = value; |
| 80 | | } |
| 81 | | } |
| 82 | | } |
| 83 | | } |
| 84 | | } |
| 85 | | } |
| 86 | | |
| 87 | 1 | return target; |
| 88 | | }; |
| 89 | | |
| 90 | | |
| 91 | | // Apply options to a copy of the defaults |
| 92 | | |
| 93 | 1 | exports.applyToDefaults = function (defaults, options) { |
| 94 | | |
| 95 | 0 | if (options === false) { // If options is set to false, return null |
| 96 | 0 | return null; |
| 97 | | } |
| 98 | | |
| 99 | 0 | var copy = exports.clone(defaults); |
| 100 | | |
| 101 | 0 | if (options === true) { // If options is set to true, use defaults |
| 102 | 0 | return copy; |
| 103 | | } |
| 104 | | |
| 105 | 0 | return exports.merge(copy, options, false, false); |
| 106 | | }; |
| 107 | | |
| 108 | | |
| 109 | | // Remove duplicate items from array |
| 110 | | |
| 111 | 1 | exports.unique = function (array, key) { |
| 112 | | |
| 113 | 1 | var index = {}; |
| 114 | 1 | var result = []; |
| 115 | | |
| 116 | 1 | for (var i = 0, il = array.length; i < il; ++i) { |
| 117 | 3 | if (index[array[i][key]] !== true) { |
| 118 | | |
| 119 | 2 | result.push(array[i]); |
| 120 | 2 | index[array[i][key]] = true; |
| 121 | | } |
| 122 | | } |
| 123 | | |
| 124 | 1 | return result; |
| 125 | | }; |
| 126 | | |
| 127 | | |
| 128 | | // Convert array into object |
| 129 | | |
| 130 | 1 | exports.mapToObject = function (array, key) { |
| 131 | | |
| 132 | 3 | if (!array) { |
| 133 | 0 | return null; |
| 134 | | } |
| 135 | | |
| 136 | 3 | var obj = {}; |
| 137 | 3 | for (var i = 0, il = array.length; i < il; ++i) { |
| 138 | 14 | if (key) { |
| 139 | 3 | if (array[i][key]) { |
| 140 | 3 | obj[array[i][key]] = true; |
| 141 | | } |
| 142 | | } |
| 143 | | else { |
| 144 | 11 | obj[array[i]] = true; |
| 145 | | } |
| 146 | | } |
| 147 | | |
| 148 | 3 | return obj; |
| 149 | | }; |
| 150 | | |
| 151 | | |
| 152 | | // Find the common unique items in two arrays |
| 153 | | |
| 154 | 1 | exports.intersect = function (array1, array2) { |
| 155 | | |
| 156 | 1 | if (!array1 || !array2) { |
| 157 | 0 | return []; |
| 158 | | } |
| 159 | | |
| 160 | 1 | var common = []; |
| 161 | 1 | var hash = exports.mapToObject(array1); |
| 162 | 1 | var found = {}; |
| 163 | 1 | for (var i = 0, il = array2.length; i < il; ++i) { |
| 164 | 5 | if (hash[array2[i]] && !found[array2[i]]) { |
| 165 | 2 | common.push(array2[i]); |
| 166 | 2 | found[array2[i]] = true; |
| 167 | | } |
| 168 | | } |
| 169 | | |
| 170 | 1 | return common; |
| 171 | | }; |
| 172 | | |
| 173 | | |
| 174 | | // Flatten array |
| 175 | | |
| 176 | 1 | exports.flatten = function (array, target) { |
| 177 | | |
| 178 | 0 | var result = target || []; |
| 179 | | |
| 180 | 0 | for (var i = 0, il = array.length; i < il; ++i) { |
| 181 | 0 | if (Array.isArray(array[i])) { |
| 182 | 0 | exports.flatten(array[i], result); |
| 183 | | } |
| 184 | | else { |
| 185 | 0 | result.push(array[i]); |
| 186 | | } |
| 187 | | } |
| 188 | | |
| 189 | 0 | return result; |
| 190 | | }; |
| 191 | | |
| 192 | | |
| 193 | | // Remove keys |
| 194 | | |
| 195 | 1 | exports.removeKeys = function (object, keys) { |
| 196 | | |
| 197 | 1 | for (var i = 0, il = keys.length; i < il; i++) { |
| 198 | 1 | delete object[keys[i]]; |
| 199 | | } |
| 200 | | }; |
| 201 | | |
| 202 | | |
| 203 | | // Inherits a selected set of methods from an object, converting synchronous functions |
| 204 | | // to asynchronous and properly handling errors |
| 205 | | |
| 206 | 1 | exports.inheritAsync = function (self, obj, keys) { |
| 207 | | |
| 208 | 0 | keys = keys || null; |
| 209 | | |
| 210 | 0 | for (var i in obj) { |
| 211 | 0 | if (obj.hasOwnProperty(i)) { |
| 212 | 0 | if (keys instanceof Array && |
| 213 | | keys.indexOf(i) < 0) { |
| 214 | | |
| 215 | 0 | continue; |
| 216 | | } |
| 217 | | |
| 218 | 0 | self.prototype[i] = (function (fn) { |
| 219 | | |
| 220 | 0 | return function (callback) { |
| 221 | | |
| 222 | 0 | var err = null; |
| 223 | 0 | result = null; |
| 224 | | |
| 225 | 0 | try { |
| 226 | 0 | result = fn(); |
| 227 | | } |
| 228 | | catch (err) { |
| 229 | | // Do nothing |
| 230 | 0 | result = null; |
| 231 | | } |
| 232 | | |
| 233 | 0 | callback(err, result); |
| 234 | | }; |
| 235 | | })(obj[i]); |
| 236 | | } |
| 237 | | } |
| 238 | | }; |
| 239 | | |
| 240 | | |
| 241 | 1 | exports.callStack = function (slice) { |
| 242 | | |
| 243 | 0 | var v8 = Error.prepareStackTrace; |
| 244 | 0 | Error.prepareStackTrace = function (err, stack) { |
| 245 | | |
| 246 | 0 | return stack; |
| 247 | | }; |
| 248 | | |
| 249 | 0 | var capture = {}; |
| 250 | 0 | Error.captureStackTrace(capture, arguments.callee); |
| 251 | 0 | var stack = capture.stack; |
| 252 | | |
| 253 | 0 | Error.prepareStackTrace = v8; |
| 254 | | |
| 255 | 0 | var trace = []; |
| 256 | 0 | stack.forEach(function (item) { |
| 257 | | |
| 258 | 0 | trace.push([item.getFileName(), item.getLineNumber(), item.getColumnNumber(), item.getFunctionName(), item.isConstructor()]); |
| 259 | | }); |
| 260 | | |
| 261 | 0 | return trace.slice(1 + (slice || 0)); |
| 262 | | }; |
| 263 | | |
| 264 | | |
| 265 | 1 | exports.abort = function (message) { |
| 266 | | |
| 267 | 1 | if (process.env.NODE_ENV === 'test') { |
| 268 | 1 | throw new Error(message || 'Unknown error'); |
| 269 | | } |
| 270 | | else { |
| 271 | 0 | console.log('ABORT: ' + message + '\n\t' + exports.callStack(1).join('\n\t')); |
| 272 | 0 | process.exit(1); |
| 273 | | } |
| 274 | | }; |
| 275 | | |
| 276 | | |
| 277 | 1 | exports.assert = function (condition, message) { |
| 278 | | |
| 279 | 1 | if (!condition) { |
| 280 | 1 | exports.abort(message); |
| 281 | | } |
| 282 | | }; |
| 283 | | |
| 284 | | |
| 285 | 1 | exports.executeRequestHandlers = function (handlers, request, callback) { |
| 286 | | |
| 287 | 0 | callback = callback || function () {}; |
| 288 | | |
| 289 | 0 | if (handlers) { |
| 290 | 0 | var list = (handlers instanceof Array ? handlers : [handlers]); |
| 291 | 0 | Async.forEachSeries(list, function (func, next) { |
| 292 | | |
| 293 | 0 | func(request, next); |
| 294 | | }, |
| 295 | | function (err) { |
| 296 | | |
| 297 | 0 | callback(err); |
| 298 | | }); |
| 299 | | } |
| 300 | | else { |
| 301 | 0 | callback(); |
| 302 | | } |
| 303 | | }; |
| 304 | | |
| 305 | | |
| 306 | 1 | exports.loadDirModules = function (path, excludeFiles, target) { // target(filename, name, capName) |
| 307 | | |
| 308 | 0 | var exclude = {}; |
| 309 | 0 | for (var i = 0, il = excludeFiles.length; i < il; ++i) { |
| 310 | 0 | exclude[excludeFiles[i] + '.js'] = true; |
| 311 | | } |
| 312 | | |
| 313 | 0 | Fs.readdirSync(path).forEach(function (filename) { |
| 314 | | |
| 315 | 0 | if (/\.js$/.test(filename) && |
| 316 | | !exclude[filename]) { |
| 317 | | |
| 318 | 0 | var name = filename.substr(0, filename.lastIndexOf('.')); |
| 319 | 0 | var capName = name.charAt(0).toUpperCase() + name.substr(1).toLowerCase(); |
| 320 | | |
| 321 | 0 | if (typeof target !== 'function') { |
| 322 | 0 | target[capName] = require(path + '/' + name); |
| 323 | | } |
| 324 | | else { |
| 325 | 0 | target(path + '/' + name, name, capName); |
| 326 | | } |
| 327 | | } |
| 328 | | }); |
| 329 | | }; |
| 330 | | |
| 331 | | |
| 332 | 1 | exports.rename = function (obj, from, to) { |
| 333 | | |
| 334 | 0 | obj[to] = obj[from]; |
| 335 | 0 | delete obj[from]; |
| 336 | | }; |
| 337 | | |
| 338 | | |
| 339 | 1 | exports.Timer = function () { |
| 340 | | |
| 341 | 0 | this.reset(); |
| 342 | | }; |
| 343 | | |
| 344 | | |
| 345 | 1 | exports.Timer.prototype.reset = function () { |
| 346 | | |
| 347 | 0 | this.ts = Date.now(); |
| 348 | | }; |
| 349 | | |
| 350 | | |
| 351 | 1 | exports.Timer.prototype.elapsed = function () { |
| 352 | | |
| 353 | 0 | return Date.now() - this.ts; |
| 354 | | }; |
| 355 | | |
| 356 | | |
| 357 | | // Load and parse package.json process root or given directory |
| 358 | | |
| 359 | 1 | exports.loadPackage = function (dir) { |
| 360 | | |
| 361 | 0 | var result = {}; |
| 362 | 0 | var filepath = (dir || process.env.PWD) + '/package.json'; |
| 363 | 0 | if (Fs.existsSync(filepath)) { |
| 364 | 0 | try { |
| 365 | 0 | result = JSON.parse(Fs.readFileSync(filepath)); |
| 366 | | } |
| 367 | | catch (e) {} |
| 368 | | } |
| 369 | | |
| 370 | 0 | return result; |
| 371 | | }; |
| 372 | | |
| 373 | | |
| 374 | | // Escape string for Regex construction |
| 375 | | |
| 376 | 1 | exports.escapeRegex = function (string) { |
| 377 | | |
| 378 | | // Escape ^$.*+-?=!:|\/()[]{}, |
| 379 | 1 | return string.replace(/[\^\$\.\*\+\-\?\=\!\:\|\\\/\(\)\[\]\{\}\,]/g, '\\$&'); |
| 380 | | }; |
| 381 | | |
| 382 | | |
| 383 | | // Return an error as first argument of a callback |
| 384 | | |
| 385 | 1 | exports.toss = function (condition /*, [message], callback */) { |
| 386 | | |
| 387 | 6 | var message = (arguments.length === 3 ? arguments[1] : ''); |
| 388 | 6 | var callback = (arguments.length === 3 ? arguments[2] : arguments[1]); |
| 389 | | |
| 390 | 6 | var err = (message instanceof Error ? message : (message ? new Error(message) : (condition instanceof Error ? condition : new Error()))); |
| 391 | | |
| 392 | 6 | if (condition instanceof Error || |
| 393 | | !condition) { |
| 394 | | |
| 395 | 5 | return callback(err); |
| 396 | | } |
| 397 | | }; |
| 398 | | |
| 399 | | |
| 400 | | // Base64url (RFC 4648) encode |
| 401 | | |
| 402 | 1 | exports.base64urlEncode = function (value) { |
| 403 | | |
| 404 | 1 | return (new Buffer(value, 'binary')).toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, ''); |
| 405 | | }; |
| 406 | | |
| 407 | | |
| 408 | | // Base64url (RFC 4648) decode |
| 409 | | |
| 410 | 1 | exports.base64urlDecode = function (encoded) { |
| 411 | | |
| 412 | 1 | try { |
| 413 | 1 | return (new Buffer(encoded.replace(/-/g, '+').replace(/:/g, '/'), 'base64')).toString('binary'); |
| 414 | | } |
| 415 | | catch (err) { |
| 416 | 0 | return err; |
| 417 | | } |
| 418 | | }; |
| 419 | | |
| 420 | | |
| 421 | | // Escape attribute value for use in HTTP header |
| 422 | | |
| 423 | 1 | exports.escapeHeaderAttribute = function (attribute) { |
| 424 | | |
| 425 | 1 | return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"'); |
| 426 | | }; |
| 427 | | |
| 428 | | |
| 429 | | // Escape string for inclusion in HTML |
| 430 | | |
| 431 | 1 | internals.htmlEscaped = { |
| 432 | | '&': '&', |
| 433 | | '<': '<', |
| 434 | | '>': '>', |
| 435 | | '"': '"', |
| 436 | | "'": ''', |
| 437 | | '`': '`' |
| 438 | | }; |
| 439 | | |
| 440 | 1 | exports.escapeHtml = function (string) { |
| 441 | | |
| 442 | 1 | if (!string) { |
| 443 | 0 | return ''; |
| 444 | | } |
| 445 | | |
| 446 | 1 | if (/[&<>"'`]/.test(string) === false) { |
| 447 | 0 | return string; |
| 448 | | } |
| 449 | | |
| 450 | 1 | return string.replace(/[&<>"'`]/g, function (chr) { |
| 451 | | |
| 452 | 6 | return internals.htmlEscaped[chr]; |
| 453 | | }); |
| 454 | | }; |