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{\n  setMinimumBrowserVersions,\n} from \"meteor/modern-browsers\";\n\nsetMinimumBrowserVersions({\n  chrome: 16,\n  edge: 12,\n  firefox: 11,\n  ie: 10,\n  mobileSafari: [6, 1],\n  phantomjs: 2,\n  safari: 7,\n  electron: [0, 20],\n}, module.id);\n","import { Meteor } from \"meteor/meteor\";\nimport { toWebsocketUrl } from \"./urls.js\";\nimport { StreamClientCommon } from \"./common.js\";\n\n// @param endpoint {String} URL to Meteor app\n//   \"http://subdomain.meteor.com/\" or \"/\" or\n//   \"ddp+sockjs://foo-**.meteor.com/sockjs\"\n//\n// We do some rewriting of the URL to eventually make it \"ws://\" or \"wss://\",\n// whatever was passed in.  At the very least, what Meteor.absoluteUrl() returns\n// us should work.\n//\n// We don't do any heartbeating. (The logic that did this in sockjs was removed,\n// because it used a built-in sockjs mechanism. We could do it with WebSocket\n// ping frames or with DDP-level messages.)\nexport class ClientStream extends StreamClientCommon {\n  constructor(endpoint, options) {\n    super(options);\n\n    this.client = null; // created in _launchConnection\n    this.endpoint = endpoint;\n\n    this.headers = this.options.headers || Object.create(null);\n    this.npmFayeOptions = this.options.npmFayeOptions || Object.create(null);\n\n    this._initCommon(this.options);\n\n    //// Kickoff!\n    this._launchConnection();\n  }\n\n  // data is a utf8 string. Data sent while not connected is dropped on\n  // the floor, and it is up the user of this API to retransmit lost\n  // messages on 'reset'\n  send(data) {\n    if (this.currentStatus.connected) {\n      this.client.send(data);\n    }\n  }\n\n  // Changes where this connection points\n  _changeUrl(url) {\n    this.endpoint = url;\n  }\n\n  _onConnect(client) {\n    if (client !== this.client) {\n      // This connection is not from the last call to _launchConnection.\n      // But _launchConnection calls _cleanup which closes previous connections.\n      // It's our belief that this stifles future 'open' events, but maybe\n      // we are wrong?\n      throw new Error('Got open from inactive client ' + !!this.client);\n    }\n\n    if (this._forcedToDisconnect) {\n      // We were asked to disconnect between trying to open the connection and\n      // actually opening it. Let's just pretend this never happened.\n      this.client.close();\n      this.client = null;\n      return;\n    }\n\n    if (this.currentStatus.connected) {\n      // We already have a connection. It must have been the case that we\n      // started two parallel connection attempts (because we wanted to\n      // 'reconnect now' on a hanging connection and we had no way to cancel the\n      // connection attempt.) But this shouldn't happen (similarly to the client\n      // !== this.client check above).\n      throw new Error('Two parallel connections?');\n    }\n\n    this._clearConnectionTimer();\n\n    // update status\n    this.currentStatus.status = 'connected';\n    this.currentStatus.connected = true;\n    this.currentStatus.retryCount = 0;\n    this.statusChanged();\n\n    // fire resets. This must come after status change so that clients\n    // can call send from within a reset callback.\n    this.forEachCallback('reset', callback => {\n      callback();\n    });\n  }\n\n  _cleanup(maybeError) {\n    this._clearConnectionTimer();\n    if (this.client) {\n      var client = this.client;\n      this.client = null;\n      client.close();\n\n      this.forEachCallback('disconnect', callback => {\n        callback(maybeError);\n      });\n    }\n  }\n\n  _clearConnectionTimer() {\n    if (this.connectionTimer) {\n      clearTimeout(this.connectionTimer);\n      this.connectionTimer = null;\n    }\n  }\n\n  _getProxyUrl(targetUrl) {\n    // Similar to code in tools/http-helpers.js.\n    var proxy = process.env.HTTP_PROXY || process.env.http_proxy || null;\n    // if we're going to a secure url, try the https_proxy env variable first.\n    if (targetUrl.match(/^wss:/)) {\n      proxy = process.env.HTTPS_PROXY || process.env.https_proxy || proxy;\n    }\n    return proxy;\n  }\n\n  _launchConnection() {\n    this._cleanup(); // cleanup the old socket, if there was one.\n\n    // Since server-to-server DDP is still an experimental feature, we only\n    // require the module if we actually create a server-to-server\n    // connection.\n    var FayeWebSocket = Npm.require('faye-websocket');\n    var deflate = Npm.require('permessage-deflate');\n\n    var targetUrl = toWebsocketUrl(this.endpoint);\n    var fayeOptions = {\n      headers: this.headers,\n      extensions: [deflate]\n    };\n    fayeOptions = Object.assign(fayeOptions, this.npmFayeOptions);\n    var proxyUrl = this._getProxyUrl(targetUrl);\n    if (proxyUrl) {\n      fayeOptions.proxy = { origin: proxyUrl };\n    }\n\n    // We would like to specify 'ddp' as the subprotocol here. The npm module we\n    // used to use as a client would fail the handshake if we ask for a\n    // subprotocol and the server doesn't send one back (and sockjs doesn't).\n    // Faye doesn't have that behavior; it's unclear from reading RFC 6455 if\n    // Faye is erroneous or not.  So for now, we don't specify protocols.\n    var subprotocols = [];\n\n    var client = (this.client = new FayeWebSocket.Client(\n      targetUrl,\n      subprotocols,\n      fayeOptions\n    ));\n\n    this._clearConnectionTimer();\n    this.connectionTimer = Meteor.setTimeout(() => {\n      this._lostConnection(new this.ConnectionError('DDP connection timed out'));\n    }, this.CONNECT_TIMEOUT);\n\n    this.client.on(\n      'open',\n      Meteor.bindEnvironment(() => {\n        return this._onConnect(client);\n      }, 'stream connect callback')\n    );\n\n    var clientOnIfCurrent = (event, description, callback) => {\n      this.client.on(\n        event,\n        Meteor.bindEnvironment((...args) => {\n          // Ignore events from any connection we've already cleaned up.\n          if (client !== this.client) return;\n          callback(...args);\n        }, description)\n      );\n    };\n\n    clientOnIfCurrent('error', 'stream error callback', error => {\n      if (!this.options._dontPrintErrors)\n        Meteor._debug('stream error', error.message);\n\n      // Faye's 'error' object is not a JS error (and among other things,\n      // doesn't stringify well). Convert it to one.\n      this._lostConnection(new this.ConnectionError(error.message));\n    });\n\n    clientOnIfCurrent('close', 'stream close callback', () => {\n      this._lostConnection();\n    });\n\n    clientOnIfCurrent('message', 'stream message callback', message => {\n      // Ignore binary frames, where message.data is a Buffer\n      if (typeof message.data !== 'string') return;\n\n      this.forEachCallback('message', callback => {\n        callback(message.data);\n      });\n    });\n  }\n}\n","import { Retry } from 'meteor/retry';\n\nconst forcedReconnectError = new Error(\"forced reconnect\");\n\nexport class StreamClientCommon {\n  constructor(options) {\n    this.options = {\n      retry: true,\n      ...(options || null),\n    };\n\n    this.ConnectionError =\n      options && options.ConnectionError || Error;\n  }\n\n  // Register for callbacks.\n  on(name, callback) {\n    if (name !== 'message' && name !== 'reset' && name !== 'disconnect')\n      throw new Error('unknown event type: ' + name);\n\n    if (!this.eventCallbacks[name]) this.eventCallbacks[name] = [];\n    this.eventCallbacks[name].push(callback);\n  }\n\n  forEachCallback(name, cb) {\n    if (!this.eventCallbacks[name] || !this.eventCallbacks[name].length) {\n      return;\n    }\n\n    this.eventCallbacks[name].forEach(cb);\n  }\n\n  _initCommon(options) {\n    options = options || Object.create(null);\n\n    //// Constants\n\n    // how long to wait until we declare the connection attempt\n    // failed.\n    this.CONNECT_TIMEOUT = options.connectTimeoutMs || 10000;\n\n    this.eventCallbacks = Object.create(null); // name -> [callback]\n\n    this._forcedToDisconnect = false;\n\n    //// Reactive status\n    this.currentStatus = {\n      status: 'connecting',\n      connected: false,\n      retryCount: 0\n    };\n\n    if (Package.tracker) {\n      this.statusListeners = new Package.tracker.Tracker.Dependency();\n    }\n\n    this.statusChanged = () => {\n      if (this.statusListeners) {\n        this.statusListeners.changed();\n      }\n    };\n\n    //// Retry logic\n    this._retry = new Retry();\n    this.connectionTimer = null;\n  }\n\n  // Trigger a reconnect.\n  reconnect(options) {\n    options = options || Object.create(null);\n\n    if (options.url) {\n      this._changeUrl(options.url);\n    }\n\n    if (options._sockjsOptions) {\n      this.options._sockjsOptions = options._sockjsOptions;\n    }\n\n    if (this.currentStatus.connected) {\n      if (options._force || options.url) {\n        this._lostConnection(forcedReconnectError);\n      }\n      return;\n    }\n\n    // if we're mid-connection, stop it.\n    if (this.currentStatus.status === 'connecting') {\n      // Pretend it's a clean close.\n      this._lostConnection();\n    }\n\n    this._retry.clear();\n    this.currentStatus.retryCount -= 1; // don't count manual retries\n    this._retryNow();\n  }\n\n  disconnect(options) {\n    options = options || Object.create(null);\n\n    // Failed is permanent. If we're failed, don't let people go back\n    // online by calling 'disconnect' then 'reconnect'.\n    if (this._forcedToDisconnect) return;\n\n    // If _permanent is set, permanently disconnect a stream. Once a stream\n    // is forced to disconnect, it can never reconnect. This is for\n    // error cases such as ddp version mismatch, where trying again\n    // won't fix the problem.\n    if (options._permanent) {\n      this._forcedToDisconnect = true;\n    }\n\n    this._cleanup();\n    this._retry.clear();\n\n    this.currentStatus = {\n      status: options._permanent ? 'failed' : 'offline',\n      connected: false,\n      retryCount: 0\n    };\n\n    if (options._permanent && options._error)\n      this.currentStatus.reason = options._error;\n\n    this.statusChanged();\n  }\n\n  // maybeError is set unless it's a clean protocol-level close.\n  _lostConnection(maybeError) {\n    this._cleanup(maybeError);\n    this._retryLater(maybeError); // sets status. no need to do it here.\n  }\n\n  // fired when we detect that we've gone online. try to reconnect\n  // immediately.\n  _online() {\n    // if we've requested to be offline by disconnecting, don't reconnect.\n    if (this.currentStatus.status != 'offline') this.reconnect();\n  }\n\n  _retryLater(maybeError) {\n    var timeout = 0;\n    if (this.options.retry ||\n        maybeError === forcedReconnectError) {\n      timeout = this._retry.retryLater(\n        this.currentStatus.retryCount,\n        this._retryNow.bind(this)\n      );\n      this.currentStatus.status = 'waiting';\n      this.currentStatus.retryTime = new Date().getTime() + timeout;\n    } else {\n      this.currentStatus.status = 'failed';\n      delete this.currentStatus.retryTime;\n    }\n\n    this.currentStatus.connected = false;\n    this.statusChanged();\n  }\n\n  _retryNow() {\n    if (this._forcedToDisconnect) return;\n\n    this.currentStatus.retryCount += 1;\n    this.currentStatus.status = 'connecting';\n    this.currentStatus.connected = false;\n    delete this.currentStatus.retryTime;\n    this.statusChanged();\n\n    this._launchConnection();\n  }\n\n  // Get current status. Reactive.\n  status() {\n    if (this.statusListeners) {\n      this.statusListeners.depend();\n    }\n    return this.currentStatus;\n  }\n}\n","// @param url {String} URL to Meteor app, eg:\n//   \"/\" or \"madewith.meteor.com\" or \"https://foo.meteor.com\"\n//   or \"ddp+sockjs://ddp--****-foo.meteor.com/sockjs\"\n// @returns {String} URL to the endpoint with the specific scheme and subPath, e.g.\n// for scheme \"http\" and subPath \"sockjs\"\n//   \"http://subdomain.meteor.com/sockjs\" or \"/sockjs\"\n//   or \"https://ddp--1234-foo.meteor.com/sockjs\"\nfunction translateUrl(url, newSchemeBase, subPath) {\n  if (!newSchemeBase) {\n    newSchemeBase = 'http';\n  }\n\n  if (subPath !== \"sockjs\" && url.startsWith(\"/\")) {\n    url = Meteor.absoluteUrl(url.substr(1));\n  }\n\n  var ddpUrlMatch = url.match(/^ddp(i?)\\+sockjs:\\/\\//);\n  var httpUrlMatch = url.match(/^http(s?):\\/\\//);\n  var newScheme;\n  if (ddpUrlMatch) {\n    // Remove scheme and split off the host.\n    var urlAfterDDP = url.substr(ddpUrlMatch[0].length);\n    newScheme = ddpUrlMatch[1] === 'i' ? newSchemeBase : newSchemeBase + 's';\n    var slashPos = urlAfterDDP.indexOf('/');\n    var host = slashPos === -1 ? urlAfterDDP : urlAfterDDP.substr(0, slashPos);\n    var rest = slashPos === -1 ? '' : urlAfterDDP.substr(slashPos);\n\n    // In the host (ONLY!), change '*' characters into random digits. This\n    // allows different stream connections to connect to different hostnames\n    // and avoid browser per-hostname connection limits.\n    host = host.replace(/\\*/g, () => Math.floor(Math.random() * 10));\n\n    return newScheme + '://' + host + rest;\n  } else if (httpUrlMatch) {\n    newScheme = !httpUrlMatch[1] ? newSchemeBase : newSchemeBase + 's';\n    var urlAfterHttp = url.substr(httpUrlMatch[0].length);\n    url = newScheme + '://' + urlAfterHttp;\n  }\n\n  // Prefix FQDNs but not relative URLs\n  if (url.indexOf('://') === -1 && !url.startsWith('/')) {\n    url = newSchemeBase + '://' + url;\n  }\n\n  // XXX This is not what we should be doing: if I have a site\n  // deployed at \"/foo\", then DDP.connect(\"/\") should actually connect\n  // to \"/\", not to \"/foo\". \"/\" is an absolute path. (Contrast: if\n  // deployed at \"/foo\", it would be reasonable for DDP.connect(\"bar\")\n  // to connect to \"/foo/bar\").\n  //\n  // We should make this properly honor absolute paths rather than\n  // forcing the path to be relative to the site root. Simultaneously,\n  // we should set DDP_DEFAULT_CONNECTION_URL to include the site\n  // root. See also client_convenience.js #RationalizingRelativeDDPURLs\n  url = Meteor._relativeToSiteRootUrl(url);\n\n  if (url.endsWith('/')) return url + subPath;\n  else return url + '/' + subPath;\n}\n\nexport function toSockjsUrl(url) {\n  return translateUrl(url, 'http', 'sockjs');\n}\n\nexport function toWebsocketUrl(url) {\n  return translateUrl(url, 'ws', 'websocket');\n}\n"]}