Name: js-handler/node_modules/restify/lib/server.js
| 1: | // Copyright 2012 Mark Cavage, Inc. All rights reserved. |
| 2: | |
| 3: | var domain = require('domain'); |
| 4: | var EventEmitter = require('events').EventEmitter; |
| 5: | var http = require('http'); |
| 6: | var https = require('https'); |
| 7: | var url = require('url'); |
| 8: | var util = require('util'); |
| 9: | |
| 10: | var assert = require('assert-plus'); |
| 11: | var mime = require('mime'); |
| 12: | var once = require('once'); |
| 13: | var spdy = require('spdy'); |
| 14: | var uuid = require('node-uuid'); |
| 15: | |
| 16: | var dtrace = require('./dtrace'); |
| 17: | var errors = require('./errors'); |
| 18: | var formatters = require('./formatters'); |
| 19: | var shallowCopy = require('./utils').shallowCopy; |
| 20: | var upgrade = require('./upgrade'); |
| 21: | |
| 22: | var semver = require('semver'); |
| 23: | var maxSatisfying = semver.maxSatisfying; |
| 24: | |
| 25: | // Ensure these are loaded |
| 26: | require('./request'); |
| 27: | require('./response'); |
| 28: | |
| 29: | |
| 30: | |
| 31: | ///--- Globals |
| 32: | |
| 33: | var sprintf = util.format; |
| 34: | |
| 35: | var BadMethodError = errors.BadMethodError; |
| 36: | var InvalidVersionError = errors.InvalidVersionError; |
| 37: | var ResourceNotFoundError = errors.ResourceNotFoundError; |
| 38: | |
| 39: | var PROXY_EVENTS = [ |
| 40: | 'clientError', |
| 41: | 'close', |
| 42: | 'connection', |
| 43: | 'error', |
| 44: | 'listening', |
| 45: | 'secureConnection' |
| 46: | ]; |
| 47: | |
| 48: | |
| 49: | |
| 50: | ///--- Helpers |
| 51: | |
| 52: | function argumentsToChain(args, start) { |
| 53: | assert.ok(args); |
| 54: | |
| 55: | args = Array.prototype.slice.call(args, start); |
| 56: | |
| 57: | if (args.length < 0) |
| 58: | throw new TypeError('handler (function) required'); |
| 59: | |
| 60: | var chain = []; |
| 61: | |
| 62: | function process(handlers) { |
| 63: | for (var i = 0; i < handlers.length; i++) { |
| 64: | if (Array.isArray(handlers[i])) { |
| 65: | process(handlers[i], 0); |
| 66: | } else { |
| 67: | assert.func(handlers[i], 'handler'); |
| 68: | chain.push(handlers[i]); |
| 69: | } |
| 70: | } |
| 71: | |
| 72: | return (chain); |
| 73: | } |
| 74: | |
| 75: | return (process(args)); |
| 76: | } |
| 77: | |
| 78: | |
| 79: | function mergeFormatters(fmt) { |
| 80: | var arr = []; |
| 81: | var defaults = Object.keys(formatters).length; |
| 82: | var i = 0; |
| 83: | var obj = {}; |
| 84: | |
| 85: | function addFormatter(src, k) { |
| 86: | assert.func(src[k], 'formatter'); |
| 87: | |
| 88: | var q; |
| 89: | var t = k; |
| 90: | if (k.indexOf(';') !== -1) { |
| 91: | /* JSSTYLED */ |
| 92: | var tmp = k.split(/\s*;\s*/); |
| 93: | t = tmp[0]; |
| 94: | if (tmp[1].indexOf('q=') !== -1) { |
| 95: | q = parseFloat(tmp[1].split('=')[1], 10) * 10; |
| 96: | } |
| 97: | } |
| 98: | |
| 99: | if (k.indexOf('/') === -1) |
| 100: | k = mime.lookup(k); |
| 101: | |
| 102: | obj[t] = src[k]; |
| 103: | arr.push({ |
| 104: | q: q || (i + defaults), |
| 105: | t: t |
| 106: | }); |
| 107: | i++; |
| 108: | } |
| 109: | |
| 110: | Object.keys(formatters).forEach(addFormatter.bind(this, formatters)); |
| 111: | Object.keys(fmt || {}).forEach(addFormatter.bind(this, fmt || {})); |
| 112: | |
| 113: | arr = arr.sort(function (a, b) { |
| 114: | return (b.q - a.q); |
| 115: | }).map(function (a) { |
| 116: | return (a.t); |
| 117: | }); |
| 118: | |
| 119: | return ({ |
| 120: | formatters: obj, |
| 121: | acceptable: arr |
| 122: | }); |
| 123: | } |
| 124: | |
| 125: | |
| 126: | function ifError(n) { |
| 127: | function _ifError(err) { |
| 128: | if (err) { |
| 129: | err._restify_next = n; |
| 130: | throw err; |
| 131: | } |
| 132: | } |
| 133: | return (_ifError); |
| 134: | } |
| 135: | |
| 136: | |
| 137: | function emitRouteError(server, req, res, err) { |
| 138: | var name; |
| 139: | if (err.name === 'ResourceNotFoundError') { |
| 140: | name = 'NotFound'; |
| 141: | } else if (err.name === 'InvalidVersionError') { |
| 142: | name = 'VersionNotAllowed'; |
| 143: | } else { |
| 144: | name = err.name.replace(/Error$/, ''); |
| 145: | } |
| 146: | if (server.listeners(name).length > 0) { |
| 147: | server.emit(name, req, res, once(function () { |
| 148: | server.emit('after', req, res, null); |
| 149: | })); |
| 150: | } else { |
| 151: | res.send(err); |
| 152: | server.emit('after', req, res, null); |
| 153: | } |
| 154: | } |
| 155: | |
| 156: | |
| 157: | function optionsError(err, req, res) { |
| 158: | var code = err.statusCode; |
| 159: | var ok = false; |
| 160: | |
| 161: | if (code === 404 && req.method === 'OPTIONS' && req.url === '*') { |
| 162: | res.send(200); |
| 163: | ok = true; |
| 164: | } |
| 165: | |
| 166: | return (ok); |
| 167: | } |
| 168: | |
| 169: | |
| 170: | |
| 171: | ///--- API |
| 172: | |
| 173: | function Server(options) { |
| 174: | assert.object(options, 'options'); |
| 175: | assert.object(options.log, 'options.log'); |
| 176: | assert.object(options.router, 'options.router'); |
| 177: | |
| 178: | var self = this; |
| 179: | |
| 180: | EventEmitter.call(this); |
| 181: | |
| 182: | this.before = []; |
| 183: | this.chain = []; |
| 184: | this.log = options.log; |
| 185: | this.name = options.name || 'restify'; |
| 186: | this.router = options.router; |
| 187: | this.routes = {}; |
| 188: | this.secure = false; |
| 189: | this.versions = options.versions || options.version || []; |
| 190: | |
| 191: | var fmt = mergeFormatters(options.formatters); |
| 192: | this.acceptable = fmt.acceptable; |
| 193: | this.formatters = fmt.formatters; |
| 194: | |
| 195: | if (options.spdy) { |
| 196: | this.spdy = true; |
| 197: | this.server = spdy.createServer(options.spdy); |
| 198: | } else if ((options.cert || options.certificate) && options.key) { |
| 199: | this.ca = options.ca; |
| 200: | this.certificate = options.certificate || options.cert; |
| 201: | this.key = options.key; |
| 202: | this.passphrase = options.passphrase || null; |
| 203: | this.secure = true; |
| 204: | |
| 205: | this.server = https.createServer({ |
| 206: | ca: self.ca, |
| 207: | cert: self.certificate, |
| 208: | key: self.key, |
| 209: | passphrase: self.passphrase, |
| 210: | rejectUnauthorized: options.rejectUnauthorized, |
| 211: | requestCert: options.requestCert |
| 212: | }); |
| 213: | } else { |
| 214: | this.server = http.createServer(); |
| 215: | } |
| 216: | |
| 217: | this.router.on('mount', this.emit.bind(this, 'mount')); |
| 218: | |
| 219: | if (!options.handleUpgrades && PROXY_EVENTS.indexOf('upgrade') === -1) |
| 220: | PROXY_EVENTS.push('upgrade'); |
| 221: | PROXY_EVENTS.forEach(function (e) { |
| 222: | self.server.on(e, self.emit.bind(self, e)); |
| 223: | }); |
| 224: | |
| 225: | // Now the things we can't blindly proxy |
| 226: | this.server.on('checkContinue', function onCheckContinue(req, res) { |
| 227: | if (self.listeners('checkContinue').length > 0) { |
| 228: | self.emit('checkContinue', req, res); |
| 229: | return; |
| 230: | } |
| 231: | |
| 232: | if (!options.noWriteContinue) |
| 233: | res.writeContinue(); |
| 234: | |
| 235: | self._setupRequest(req, res); |
| 236: | self._handle(req, res, true); |
| 237: | }); |
| 238: | |
| 239: | if (options.handleUpgrades) { |
| 240: | this.server.on('upgrade', function onUpgrade(req, socket, |
| 241: | head) { |
| 242: | req._upgradeRequest = true; |
| 243: | var res = upgrade.createResponse(req, socket, head); |
| 244: | self._setupRequest(req, res); |
| 245: | self._handle(req, res); |
| 246: | }); |
| 247: | } |
| 248: | |
| 249: | this.server.on('request', function onRequest(req, res) { |
| 250: | /* JSSTYLED */ |
| 251: | if (/^\/socket.io.*/.test(req.url) && |
| 252: | self.listeners('request').length > 0) { |
| 253: | self.emit('request', req, res); |
| 254: | return; |
| 255: | } |
| 256: | |
| 257: | self._setupRequest(req, res); |
| 258: | self._handle(req, res); |
| 259: | }); |
| 260: | |
| 261: | this.__defineGetter__('maxHeadersCount', function () { |
| 262: | return (self.server.maxHeadersCount); |
| 263: | }); |
| 264: | |
| 265: | this.__defineSetter__('maxHeadersCount', function (c) { |
| 266: | self.server.maxHeadersCount = c; |
| 267: | return (c); |
| 268: | }); |
| 269: | |
| 270: | |
| 271: | this.__defineGetter__('url', function () { |
| 272: | if (self.socketPath) |
| 273: | return ('http://' + self.socketPath); |
| 274: | |
| 275: | var addr = self.address(); |
| 276: | var str = ''; |
| 277: | if (self.spdy) { |
| 278: | str += 'spdy://'; |
| 279: | } else if (self.secure) { |
| 280: | str += 'https://'; |
| 281: | } else { |
| 282: | str += 'http://'; |
| 283: | } |
| 284: | |
| 285: | if (addr) { |
| 286: | str += addr.address; |
| 287: | str += ':'; |
| 288: | str += addr.port; |
| 289: | } else { |
| 290: | str += '169.254.0.1:0000'; |
| 291: | } |
| 292: | |
| 293: | return (str); |
| 294: | }); |
| 295: | } |
| 296: | util.inherits(Server, EventEmitter); |
| 297: | module.exports = Server; |
| 298: | |
| 299: | |
| 300: | Server.prototype.address = function address() { |
| 301: | return (this.server.address()); |
| 302: | }; |
| 303: | |
| 304: | /** |
| 305: | * Gets the server up and listening. |
| 306: | * |
| 307: | * You can call like: |
| 308: | * server.listen(80) |
| 309: | * server.listen(80, '127.0.0.1') |
| 310: | * server.listen('/tmp/server.sock') |
| 311: | * |
| 312: | * @param {Function} callback optionally get notified when listening. |
| 313: | * @throws {TypeError} on bad input. |
| 314: | */ |
| 315: | Server.prototype.listen = function listen() { |
| 316: | var args = Array.prototype.slice.call(arguments); |
| 317: | return (this.server.listen.apply(this.server, args)); |
| 318: | }; |
| 319: | |
| 320: | |
| 321: | /** |
| 322: | * Shuts down this server, and invokes callback (optionally) when done. |
| 323: | * |
| 324: | * @param {Function} callback optional callback to invoke when done. |
| 325: | */ |
| 326: | Server.prototype.close = function close(callback) { |
| 327: | if (callback) |
| 328: | assert.func(callback, 'callback'); |
| 329: | |
| 330: | this.server.once('close', function onClose() { |
| 331: | return (callback ? callback() : false); |
| 332: | }); |
| 333: | |
| 334: | return (this.server.close()); |
| 335: | }; |
| 336: | |
| 337: | |
| 338: | // Register all the routing methods |
| 339: | /** |
| 340: | * Mounts a chain on the given path against this HTTP verb |
| 341: | * |
| 342: | * @param {Object} options the URL to handle, at minimum. |
| 343: | * @return {Route} the newly created route. |
| 344: | */ |
| 345: | [ |
| 346: | 'del', |
| 347: | 'get', |
| 348: | 'head', |
| 349: | 'opts', |
| 350: | 'post', |
| 351: | 'put', |
| 352: | 'patch' |
| 353: | ].forEach(function (method) { |
| 354: | Server.prototype[method] = function (opts) { |
| 355: | if (opts instanceof RegExp || typeof (opts) === 'string') { |
| 356: | opts = { |
| 357: | path: opts |
| 358: | }; |
| 359: | } else if (typeof (opts) === 'object') { |
| 360: | opts = shallowCopy(opts); |
| 361: | } else { |
| 362: | throw new TypeError('path (string) required'); |
| 363: | } |
| 364: | |
| 365: | if (arguments.length < 2) |
| 366: | throw new TypeError('handler (function) required'); |
| 367: | |
| 368: | var chain = []; |
| 369: | var route; |
| 370: | var self = this; |
| 371: | |
| 372: | function addHandler(h) { |
| 373: | assert.func(h, 'handler'); |
| 374: | |
| 375: | chain.push(h); |
| 376: | } |
| 377: | |
| 378: | if (method === 'del') |
| 379: | method = 'DELETE'; |
| 380: | if (method === 'opts') |
| 381: | method = 'OPTIONS'; |
| 382: | opts.method = method.toUpperCase(); |
| 383: | opts.versions = opts.versions || opts.version || self.versions; |
| 384: | if (!Array.isArray(opts.versions)) |
| 385: | opts.versions = [opts.versions]; |
| 386: | |
| 387: | if (!opts.name) { |
| 388: | opts.name = method + '-' + (opts.path || opts.url); |
| 389: | if (opts.versions.length > 0) { |
| 390: | opts.name += '-' + opts.versions.join('--'); |
| 391: | } |
| 392: | |
| 393: | opts.name = opts.name.replace(/\W/g, '').toLowerCase(); |
| 394: | if (this.router.mounts[opts.name]) // GH-401 |
| 395: | opts.name += uuid.v4().substr(0, 7); |
| 396: | } else { |
| 397: | opts.name = opts.name.replace(/\W/g, '').toLowerCase(); |
| 398: | } |
| 399: | |
| 400: | |
| 401: | if (!(route = this.router.mount(opts))) |
| 402: | return (false); |
| 403: | |
| 404: | this.chain.forEach(addHandler); |
| 405: | argumentsToChain(arguments, 1).forEach(addHandler); |
| 406: | this.routes[route] = chain; |
| 407: | |
| 408: | return (route); |
| 409: | }; |
| 410: | }); |
| 411: | |
| 412: | |
| 413: | /** |
| 414: | * Minimal port of the functionality offered by Express.js Route Param |
| 415: | * Pre-conditions |
| 416: | * @link http://expressjs.com/guide.html#route-param%20pre-conditions |
| 417: | * |
| 418: | * This basically piggy-backs on the `server.use` method. It attaches a |
| 419: | * new middleware function that only fires if the specified parameter exists |
| 420: | * in req.params |
| 421: | * |
| 422: | * Exposes an API: |
| 423: | * server.param("user", function (req, res, next) { |
| 424: | * // load the user's information here, always making sure to call next() |
| 425: | * }); |
| 426: | * |
| 427: | * @param {String} The name of the URL param to respond to |
| 428: | * @param {Function} The middleware function to execute |
| 429: | */ |
| 430: | Server.prototype.param = function param(name, fn) { |
| 431: | this.use(function _param(req, res, next) { |
| 432: | if (req.params && req.params[name]) { |
| 433: | fn.call(this, req, res, next, req.params[name], name); |
| 434: | } else { |
| 435: | next(); |
| 436: | } |
| 437: | }); |
| 438: | |
| 439: | return (this); |
| 440: | }; |
| 441: | |
| 442: | |
| 443: | /** |
| 444: | * Piggy-backs on the `server.use` method. It attaches a new middleware |
| 445: | * function that only fires if the specified version matchtes the request. |
| 446: | * |
| 447: | * Note that if the client does not request a specific version, the middleware |
| 448: | * function always fires. If you don't want this set a default version with a |
| 449: | * pre handler on requests where the client omits one. |
| 450: | * |
| 451: | * Exposes an API: |
| 452: | * server.versionedUse("version", function (req, res, next, ver) { |
| 453: | * // do stuff that only applies to routes of this API version |
| 454: | * }); |
| 455: | * |
| 456: | * @param {String|Array} The version or versions of the URL to respond to |
| 457: | * @param {Function} The middleware function to execute, the fourth parameter |
| 458: | * will be the selected version |
| 459: | */ |
| 460: | Server.prototype.versionedUse = function versionedUse(versions, fn) { |
| 461: | if (!Array.isArray(versions)) |
| 462: | versions = [versions]; |
| 463: | assert.arrayOfString(versions, 'versions'); |
| 464: | |
| 465: | versions.forEach(function (v) { |
| 466: | if (!semver.valid(v)) |
| 467: | throw new TypeError('%s is not a valid semver', v); |
| 468: | }); |
| 469: | |
| 470: | this.use(function _versionedUse(req, res, next) { |
| 471: | var ver; |
| 472: | if (req.version() === '*' || |
| 473: | (ver = maxSatisfying(versions, |
| 474: | req.version()) || false)) { |
| 475: | fn.call(this, req, res, next, ver); |
| 476: | } else { |
| 477: | next(); |
| 478: | } |
| 479: | }); |
| 480: | |
| 481: | return (this); |
| 482: | }; |
| 483: | |
| 484: | |
| 485: | /** |
| 486: | * Removes a route from the server. |
| 487: | * |
| 488: | * You pass in the route 'blob' you got from a mount call. |
| 489: | * |
| 490: | * @param {String} name the route name. |
| 491: | * @return {Boolean} true if route was removed, false if not. |
| 492: | * @throws {TypeError} on bad input. |
| 493: | */ |
| 494: | Server.prototype.rm = function rm(route) { |
| 495: | var r = this.router.unmount(route); |
| 496: | if (r && this.routes[r]) |
| 497: | delete this.routes[r]; |
| 498: | |
| 499: | return (r); |
| 500: | }; |
| 501: | |
| 502: | |
| 503: | /** |
| 504: | * Installs a list of handlers to run _before_ the "normal" handlers of all |
| 505: | * routes. |
| 506: | * |
| 507: | * You can pass in any combination of functions or array of functions. |
| 508: | * |
| 509: | * @throws {TypeError} on input error. |
| 510: | */ |
| 511: | Server.prototype.use = function use() { |
| 512: | var self = this; |
| 513: | |
| 514: | (argumentsToChain(arguments) || []).forEach(function (h) { |
| 515: | self.chain.push(h); |
| 516: | }); |
| 517: | |
| 518: | return (this); |
| 519: | }; |
| 520: | |
| 521: | |
| 522: | /** |
| 523: | * Gives you hooks to run _before_ any routes are located. This gives you |
| 524: | * a chance to intercept the request and change headers, etc., that routing |
| 525: | * depends on. Note that req.params will _not_ be set yet. |
| 526: | */ |
| 527: | Server.prototype.pre = function pre() { |
| 528: | var self = this; |
| 529: | |
| 530: | argumentsToChain(arguments).forEach(function (h) { |
| 531: | self.before.push(h); |
| 532: | }); |
| 533: | |
| 534: | return (this); |
| 535: | }; |
| 536: | |
| 537: | |
| 538: | Server.prototype.toString = function toString() { |
| 539: | var LINE_FMT = '\t%s: %s\n'; |
| 540: | var SUB_LINE_FMT = '\t\t%s: %s\n'; |
| 541: | var self = this; |
| 542: | var str = ''; |
| 543: | |
| 544: | function handlersToString(arr) { |
| 545: | var s = '[' + arr.map(function (b) { |
| 546: | return (b.name || 'function'); |
| 547: | }).join(', ') + ']'; |
| 548: | |
| 549: | return (s); |
| 550: | } |
| 551: | |
| 552: | str += sprintf(LINE_FMT, 'Accepts', this.acceptable.join(', ')); |
| 553: | str += sprintf(LINE_FMT, 'Name', this.name); |
| 554: | str += sprintf(LINE_FMT, 'Pre', handlersToString(this.before)); |
| 555: | str += sprintf(LINE_FMT, 'Router', this.router.toString()); |
| 556: | str += sprintf(LINE_FMT, 'Routes', ''); |
| 557: | Object.keys(this.routes).forEach(function (k) { |
| 558: | var handlers = handlersToString(self.routes[k]); |
| 559: | str += sprintf(SUB_LINE_FMT, k, handlers); |
| 560: | }); |
| 561: | str += sprintf(LINE_FMT, 'Secure', this.secure); |
| 562: | str += sprintf(LINE_FMT, 'Url', this.url); |
| 563: | str += sprintf(LINE_FMT, 'Version', this.versions.join()); |
| 564: | |
| 565: | return (str); |
| 566: | }; |
| 567: | |
| 568: | |
| 569: | |
| 570: | ///--- Private methods |
| 571: | |
| 572: | Server.prototype._handle = function _handle(req, res) { |
| 573: | var self = this; |
| 574: | |
| 575: | function routeAndRun() { |
| 576: | self._route(req, res, function (route, context) { |
| 577: | req.context = req.params = context; |
| 578: | req.route = route.spec; |
| 579: | |
| 580: | var r = route ? route.name : null; |
| 581: | var chain = self.routes[r]; |
| 582: | |
| 583: | self._run(req, res, route, chain, function done(e) { |
| 584: | self.emit('after', req, res, route, e); |
| 585: | }); |
| 586: | }); |
| 587: | } |
| 588: | |
| 589: | if (this.before.length > 0) { |
| 590: | this._run(req, res, null, this.before, function (err) { |
| 591: | if (!err) { |
| 592: | routeAndRun(); |
| 593: | } |
| 594: | }); |
| 595: | } else { |
| 596: | routeAndRun(); |
| 597: | } |
| 598: | }; |
| 599: | |
| 600: | |
| 601: | Server.prototype._route = function _route(req, res, name, cb) { |
| 602: | var self = this; |
| 603: | |
| 604: | if (typeof (name) === 'function') { |
| 605: | cb = name; |
| 606: | name = null; |
| 607: | } else { |
| 608: | this.router.get(name, req, function (err, route, ctx) { |
| 609: | if (err) { |
| 610: | emitRouteError(self, req, res, err); |
| 611: | } else { |
| 612: | cb(route, ctx); |
| 613: | } |
| 614: | }); |
| 615: | } |
| 616: | |
| 617: | this.router.find(req, res, function onRoute(err, route, ctx) { |
| 618: | var r = route ? route.name : null; |
| 619: | if (err) { |
| 620: | if (optionsError(err, req, res)) { |
| 621: | self.emit('after', req, res, err); |
| 622: | } else { |
| 623: | emitRouteError(self, req, res, err); |
| 624: | } |
| 625: | } else if (r === 'preflight') { |
| 626: | res.writeHead(200); |
| 627: | res.end(); |
| 628: | self.emit('after', req, res, null); |
| 629: | } else if (!r || !self.routes[r]) { |
| 630: | err = new ResourceNotFoundError(req.path()); |
| 631: | emitRouteError(self, res, res, err); |
| 632: | } else { |
| 633: | cb(route, ctx); |
| 634: | } |
| 635: | }); |
| 636: | }; |
| 637: | |
| 638: | |
| 639: | // The goofy checks in next() are to make sure we fire the DTrace |
| 640: | // probes after an error might have been sent, as in a handler |
| 641: | // return next(new Error) is basically shorthand for sending an |
| 642: | // error via res.send(), so we do that before firing the dtrace |
| 643: | // probe (namely so the status codes get updated in the |
| 644: | // response). |
| 645: | // |
| 646: | // Callers can stop the chain from proceding if they do |
| 647: | // return next(false); This is useful for non-errors, but where |
| 648: | // a response was sent and you don't want the chain to keep |
| 649: | // going |
| 650: | Server.prototype._run = function _run(req, res, route, chain, cb) { |
| 651: | var d; |
| 652: | var i = -1; |
| 653: | var id = dtrace.nextId(); |
| 654: | var log = this.log; |
| 655: | var self = this; |
| 656: | |
| 657: | function next(arg) { |
| 658: | var done = false; |
| 659: | if (arg) { |
| 660: | if (arg instanceof Error) { |
| 661: | log.trace({err: arg}, 'next(err=%s)', |
| 662: | (arg.name || 'Error')); |
| 663: | res.send(arg); |
| 664: | done = true; |
| 665: | } else if (typeof (arg) === 'string') { |
| 666: | if (req._rstfy_chained_route) { |
| 667: | var _e = new errors.InternalError(); |
| 668: | log.error({ |
| 669: | err: _e |
| 670: | }, 'Multiple next("chain") calls not ' + |
| 671: | 'supported'); |
| 672: | res.send(_e); |
| 673: | return (false); |
| 674: | } |
| 675: | |
| 676: | self._route(req, res, arg, function (r, ctx) { |
| 677: | req.context = req.params = ctx; |
| 678: | req.route = r.spec; |
| 679: | |
| 680: | var _c = chain.slice(0, i + 1); |
| 681: | function _uniq(fn) { |
| 682: | return (_c.indexOf(fn) === -1); |
| 683: | } |
| 684: | |
| 685: | var _routes = self.routes[r.name] || []; |
| 686: | var _chain = _routes.filter(_uniq); |
| 687: | |
| 688: | req._rstfy_chained_route = true; |
| 689: | self._run(req, res, r, _chain, cb); |
| 690: | }); |
| 691: | } |
| 692: | } |
| 693: | |
| 694: | if (arg === false) |
| 695: | done = true; |
| 696: | |
| 697: | // Fire DTrace done for the previous handler. |
| 698: | if ((i + 1) > 0 && chain[i] && !chain[i]._skip) { |
| 699: | dtrace._rstfy_probes['handler-done'].fire(function () { |
| 700: | return ([ |
| 701: | self.name, |
| 702: | route !== null ? route : 'pre', |
| 703: | chain[i].name || ('handler-' + i), |
| 704: | id |
| 705: | ]); |
| 706: | }); |
| 707: | } |
| 708: | |
| 709: | // Run the next handler up |
| 710: | if (!done && chain[++i]) { |
| 711: | if (chain[i]._skip) |
| 712: | return (next()); |
| 713: | |
| 714: | if (log.trace()) |
| 715: | log.trace('running %s', chain[i].name || '?'); |
| 716: | |
| 717: | dtrace._rstfy_probes['handler-start'].fire(function () { |
| 718: | return ([ |
| 719: | self.name, |
| 720: | route !== null ? route : 'pre', |
| 721: | chain[i].name || ('handler-' + i), |
| 722: | id |
| 723: | ]); |
| 724: | }); |
| 725: | |
| 726: | var n = once(next); |
| 727: | n.ifError = ifError(n); |
| 728: | return (chain[i].call(self, req, res, n)); |
| 729: | } |
| 730: | |
| 731: | dtrace._rstfy_probes['route-done'].fire(function () { |
| 732: | return ([ |
| 733: | self.name, |
| 734: | route !== null ? route : 'pre', |
| 735: | id, |
| 736: | res.statusCode || 200, |
| 737: | res.headers() |
| 738: | ]); |
| 739: | }); |
| 740: | |
| 741: | if (route === null) { |
| 742: | self.emit('preDone', req, res); |
| 743: | } else { |
| 744: | self.emit('done', req, res, route); |
| 745: | } |
| 746: | |
| 747: | return (cb ? cb(arg) : true); |
| 748: | } |
| 749: | var n1 = once(next); |
| 750: | n1.ifError = ifError(n1); |
| 751: | |
| 752: | dtrace._rstfy_probes['route-start'].fire(function () { |
| 753: | return ([ |
| 754: | self.name, |
| 755: | route !== null ? route : 'pre', |
| 756: | id, |
| 757: | req.method, |
| 758: | req.href(), |
| 759: | req.headers |
| 760: | ]); |
| 761: | }); |
| 762: | |
| 763: | d = domain.create(); |
| 764: | d.add(req); |
| 765: | d.add(res); |
| 766: | d.on('error', function onError(err) { |
| 767: | if (err._restify_next) { |
| 768: | err._restify_next(err); |
| 769: | } else { |
| 770: | log.trace({err: err}, 'uncaughtException'); |
| 771: | self.emit('uncaughtException', req, res, route, err); |
| 772: | } |
| 773: | }); |
| 774: | d.run(n1); |
| 775: | }; |
| 776: | |
| 777: | |
| 778: | Server.prototype._setupRequest = function _setupRequest(req, res) { |
| 779: | req.log = res.log = this.log; |
| 780: | req._time = res._time = Date.now(); |
| 781: | |
| 782: | res.acceptable = this.acceptable; |
| 783: | res.formatters = this.formatters; |
| 784: | res.req = req; |
| 785: | res.serverName = this.name; |
| 786: | res.version = this.router.versions[this.router.versions.length - 1]; |
| 787: | }; |
| 788: | |
| 789: | // vim: set et ts=8 sts=8 sw=8: |
