1 files changed, 0 insertions, 432 deletions
diff --git a/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm b/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm
deleted file mode 100644
index 4abc93ad1..000000000
--- a/toolkit/modules/secondscreen/SimpleServiceDiscovery.jsm
+++ /dev/null
@@ -1,432 +0,0 @@
-// -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["SimpleServiceDiscovery"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Timer.jsm");
-
-var log = Cu.reportError;
-
-XPCOMUtils.defineLazyGetter(this, "converter", function () {
-  let conv = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
-  conv.charset = "utf8";
-  return conv;
-});
-
-// Spec information:
-// https://tools.ietf.org/html/draft-cai-ssdp-v1-03
-// http://www.dial-multiscreen.org/dial-protocol-specification
-const SSDP_PORT = 1900;
-const SSDP_ADDRESS = "239.255.255.250";
-
-const SSDP_DISCOVER_PACKET =
-  "M-SEARCH * HTTP/1.1\r\n" +
-  "HOST: " + SSDP_ADDRESS + ":" + SSDP_PORT + "\r\n" +
-  "MAN: \"ssdp:discover\"\r\n" +
-  "MX: 2\r\n" +
-  "ST: %SEARCH_TARGET%\r\n\r\n";
-
-const SSDP_DISCOVER_ATTEMPTS = 3;
-const SSDP_DISCOVER_DELAY = 500;
-const SSDP_DISCOVER_TIMEOUT_MULTIPLIER = 2;
-const SSDP_TRANSMISSION_INTERVAL = 1000;
-
-const EVENT_SERVICE_FOUND = "ssdp-service-found";
-const EVENT_SERVICE_LOST = "ssdp-service-lost";
-
-/*
- * SimpleServiceDiscovery manages any discovered SSDP services. It uses a UDP
- * broadcast to locate available services on the local network.
- */
-var SimpleServiceDiscovery = {
-  get EVENT_SERVICE_FOUND() { return EVENT_SERVICE_FOUND; },
-  get EVENT_SERVICE_LOST() { return EVENT_SERVICE_LOST; },
-
-  _devices: new Map(),
-  _services: new Map(),
-  _searchSocket: null,
-  _searchInterval: 0,
-  _searchTimestamp: 0,
-  _searchTimeout: Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer),
-  _searchRepeat: Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer),
-  _discoveryMethods: [],
-
-  _forceTrailingSlash: function(aURL) {
-    // Cleanup the URL to make it consistent across devices
-    try {
-      aURL = Services.io.newURI(aURL, null, null).spec;
-    } catch (e) {}
-    return aURL;
-  },
-
-  // nsIUDPSocketListener implementation
-  onPacketReceived: function(aSocket, aMessage) {
-    // Listen for responses from specific devices. There could be more than one
-    // available.
-    let response = aMessage.data.split("\n");
-    let service = {};
-    response.forEach(function(row) {
-      let name = row.toUpperCase();
-      if (name.startsWith("LOCATION")) {
-        service.location = row.substr(10).trim();
-      } else if (name.startsWith("ST")) {
-        service.target = row.substr(4).trim();
-      }
-    }.bind(this));
-
-    if (service.location && service.target) {
-      service.location = this._forceTrailingSlash(service.location);
-
-      // When we find a valid response, package up the service information
-      // and pass it on.
-      try {
-        this._processService(service);
-      } catch (e) {}
-    }
-  },
-
-  onStopListening: function(aSocket, aStatus) {
-    // This is fired when the socket is closed expectedly or unexpectedly.
-    // nsITimer.cancel() is a no-op if the timer is not active.
-    this._searchTimeout.cancel();
-    this._searchSocket = null;
-  },
-
-  // Start a search. Make it continuous by passing an interval (in milliseconds).
-  // This will stop a current search loop because the timer resets itself.
-  // Returns the existing search interval.
-  search: function search(aInterval) {
-    let existingSearchInterval = this._searchInterval;
-    if (aInterval > 0) {
-      this._searchInterval = aInterval || 0;
-      this._searchRepeat.initWithCallback(this._search.bind(this), this._searchInterval, Ci.nsITimer.TYPE_REPEATING_SLACK);
-    }
-    this._search();
-    return existingSearchInterval;
-  },
-
-  // Stop the current continuous search
-  stopSearch: function stopSearch() {
-    this._searchRepeat.cancel();
-  },
-
-  _usingLAN: function() {
-    let network = Cc["@mozilla.org/network/network-link-service;1"].getService(Ci.nsINetworkLinkService);
-    return (network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_WIFI ||
-            network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_ETHERNET ||
-            network.linkType == Ci.nsINetworkLinkService.LINK_TYPE_UNKNOWN);
-  },
-
-  _search: function _search() {
-    // If a search is already active, shut it down.
-    this._searchShutdown();
-
-    // We only search if on local network
-    if (!this._usingLAN()) {
-      return;
-    }
-
-    // Update the timestamp so we can use it to clean out stale services the
-    // next time we search.
-    this._searchTimestamp = Date.now();
-
-    // Look for any fixed IP devices. Some routers might be configured to block
-    // UDP broadcasts, so this is a way to skip discovery.
-    this._searchFixedDevices();
-
-    // Look for any devices via registered external discovery mechanism.
-    this._startExternalDiscovery();
-
-    // Perform a UDP broadcast to search for SSDP devices
-    let socket = Cc["@mozilla.org/network/udp-socket;1"].createInstance(Ci.nsIUDPSocket);
-    try {
-      socket.init(SSDP_PORT, false, Services.scriptSecurityManager.getSystemPrincipal());
-      socket.joinMulticast(SSDP_ADDRESS);
-      socket.asyncListen(this);
-    } catch (e) {
-      // We were unable to create the broadcast socket. Just return, but don't
-      // kill the interval timer. This might work next time.
-      log("failed to start socket: " + e);
-      return;
-    }
-
-    // Make the timeout SSDP_DISCOVER_TIMEOUT_MULTIPLIER times as long as the time needed to send out the discovery packets.
-    const SSDP_DISCOVER_TIMEOUT = this._devices.size * SSDP_DISCOVER_ATTEMPTS * SSDP_TRANSMISSION_INTERVAL * SSDP_DISCOVER_TIMEOUT_MULTIPLIER;
-    this._searchSocket = socket;
-    this._searchTimeout.initWithCallback(this._searchShutdown.bind(this), SSDP_DISCOVER_TIMEOUT, Ci.nsITimer.TYPE_ONE_SHOT);
-
-    let data = SSDP_DISCOVER_PACKET;
-
-    // Send discovery packets out at 1 per SSDP_TRANSMISSION_INTERVAL and send each SSDP_DISCOVER_ATTEMPTS times
-    // to allow for packet loss on noisy networks.
-    let timeout = SSDP_DISCOVER_DELAY;
-    for (let attempts = 0; attempts < SSDP_DISCOVER_ATTEMPTS; attempts++) {
-      for (let [key, device] of this._devices) {
-        let target = device.target;
-        setTimeout(function() {
-          let msgData = data.replace("%SEARCH_TARGET%", target);
-          try {
-            let msgRaw = converter.convertToByteArray(msgData);
-            socket.send(SSDP_ADDRESS, SSDP_PORT, msgRaw, msgRaw.length);
-          } catch (e) {
-            log("failed to convert to byte array: " + e);
-          }
-        }, timeout);
-        timeout += SSDP_TRANSMISSION_INTERVAL;
-      }
-    }
-  },
-
-  _searchFixedDevices: function _searchFixedDevices() {
-    let fixedDevices = Services.prefs.getCharPref("browser.casting.fixedDevices", "");
-
-    if (!fixedDevices) {
-      return;
-    }
-
-    fixedDevices = JSON.parse(fixedDevices);
-    for (let fixedDevice of fixedDevices) {
-      // Verify we have the right data
-      if (!("location" in fixedDevice) || !("target" in fixedDevice)) {
-        continue;
-      }
-
-      fixedDevice.location = this._forceTrailingSlash(fixedDevice.location);
-
-      let service = {
-        location: fixedDevice.location,
-        target: fixedDevice.target
-      };
-
-      // We don't assume the fixed target is ready. We still need to ping it.
-      try {
-        this._processService(service);
-      } catch (e) {}
-    }
-  },
-
-  // Called when the search timeout is hit. We use it to cleanup the socket and
-  // perform some post-processing on the services list.
-  _searchShutdown: function _searchShutdown() {
-    if (this._searchSocket) {
-      // This will call onStopListening.
-      this._searchSocket.close();
-
-      // Clean out any stale services
-      for (let [key, service] of this._services) {
-        if (service.lastPing != this._searchTimestamp) {
-          this.removeService(service.uuid);
-        }
-      }
-    }
-
-    this._stopExternalDiscovery();
-  },
-
-  getSupportedExtensions: function() {
-    let extensions = [];
-    this.services.forEach(function(service) {
-        extensions = extensions.concat(service.extensions);
-      }, this);
-    return extensions.filter(function(extension, pos) {
-      return extensions.indexOf(extension) == pos;
-    });
-  },
-
-  getSupportedMimeTypes: function() {
-    let types = [];
-    this.services.forEach(function(service) {
-        types = types.concat(service.types);
-      }, this);
-    return types.filter(function(type, pos) {
-      return types.indexOf(type) == pos;
-    });
-  },
-
-  registerDevice: function registerDevice(aDevice) {
-    // We must have "id", "target" and "factory" defined
-    if (!("id" in aDevice) || !("target" in aDevice) || !("factory" in aDevice)) {
-      // Fatal for registration
-      throw "Registration requires an id, a target and a location";
-    }
-
-    // Only add if we don't already know about this device
-    if (!this._devices.has(aDevice.id)) {
-      this._devices.set(aDevice.id, aDevice);
-    } else {
-      log("device was already registered: " + aDevice.id);
-    }
-  },
-
-  unregisterDevice: function unregisterDevice(aDevice) {
-    // We must have "id", "target" and "factory" defined
-    if (!("id" in aDevice) || !("target" in aDevice) || !("factory" in aDevice)) {
-      return;
-    }
-
-    // Only remove if we know about this device
-    if (this._devices.has(aDevice.id)) {
-      this._devices.delete(aDevice.id);
-    } else {
-      log("device was not registered: " + aDevice.id);
-    }
-  },
-
-  findAppForService: function findAppForService(aService) {
-    if (!aService || !aService.deviceID) {
-      return null;
-    }
-
-    // Find the registration for the device
-    if (this._devices.has(aService.deviceID)) {
-      return this._devices.get(aService.deviceID).factory(aService);
-    }
-    return null;
-  },
-
-  findServiceForID: function findServiceForID(aUUID) {
-    if (this._services.has(aUUID)) {
-      return this._services.get(aUUID);
-    }
-    return null;
-  },
-
-  // Returns an array copy of the active services
-  get services() {
-    let array = [];
-    for (let [key, service] of this._services) {
-      let target = this._devices.get(service.deviceID);
-      service.extensions = target.extensions;
-      service.types = target.types;
-      array.push(service);
-    }
-    return array;
-  },
-
-  // Returns false if the service does not match the device's filters
-  _filterService: function _filterService(aService) {
-    // Loop over all the devices, looking for one that matches the service
-    for (let [key, device] of this._devices) {
-      // First level of match is on the target itself
-      if (device.target != aService.target) {
-        continue;
-      }
-
-      // If we have no filter, everything passes
-      if (!("filters" in device)) {
-        aService.deviceID = device.id;
-        return true;
-      }
-
-      // If all the filters pass, we have a match
-      let failed = false;
-      let filters = device.filters;
-      for (let filter in filters) {
-        if (filter in aService && aService[filter] != filters[filter]) {
-          failed = true;
-        }
-      }
-
-      // We found a match, so link the service to the device
-      if (!failed) {
-        aService.deviceID = device.id;
-        return true;
-      }
-    }
-
-    // We didn't find any matches
-    return false;
-  },
-
-  _processService: function _processService(aService) {
-    // Use the REST api to request more information about this service
-    let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
-    xhr.open("GET", aService.location, true);
-    xhr.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING;
-    xhr.overrideMimeType("text/xml");
-
-    xhr.addEventListener("load", (function() {
-      if (xhr.status == 200) {
-        let doc = xhr.responseXML;
-        aService.appsURL = xhr.getResponseHeader("Application-URL");
-        if (aService.appsURL && !aService.appsURL.endsWith("/"))
-          aService.appsURL += "/";
-        aService.friendlyName = doc.querySelector("friendlyName").textContent;
-        aService.uuid = doc.querySelector("UDN").textContent;
-        aService.manufacturer = doc.querySelector("manufacturer").textContent;
-        aService.modelName = doc.querySelector("modelName").textContent;
-
-        this.addService(aService);
-      }
-    }).bind(this), false);
-
-    xhr.send(null);
-  },
-
-  // Add a service to the WeakMap, even if one already exists with this id.
-  // Returns true if this succeeded or false if it failed
-  _addService: function(service) {
-    // Filter out services that do not match the device filter
-    if (!this._filterService(service)) {
-      return false;
-    }
-
-    let device = this._devices.get(service.target);
-    if (device && device.mirror) {
-      service.mirror = true;
-    }
-    this._services.set(service.uuid, service);
-    return true;
-  },
-
-  addService: function(service) {
-    // Only add and notify if we don't already know about this service
-    if (!this._services.has(service.uuid)) {
-      if (!this._addService(service)) {
-        return;
-      }
-      Services.obs.notifyObservers(null, EVENT_SERVICE_FOUND, service.uuid);
-    }
-
-    // Make sure we remember this service is not stale
-    this._services.get(service.uuid).lastPing = this._searchTimestamp;
-  },
-
-  removeService: function(uuid) {
-    Services.obs.notifyObservers(null, EVENT_SERVICE_LOST, uuid);
-    this._services.delete(uuid);
-  },
-
-  updateService: function(service) {
-    if (!this._addService(service)) {
-      return;
-    }
-
-    // Make sure we remember this service is not stale
-    this._services.get(service.uuid).lastPing = this._searchTimestamp;
-  },
-
-  addExternalDiscovery: function(discovery) {
-    this._discoveryMethods.push(discovery);
-  },
-
-  _startExternalDiscovery: function() {
-    for (let discovery of this._discoveryMethods) {
-      discovery.startDiscovery();
-    }
-  },
-
-  _stopExternalDiscovery: function() {
-    for (let discovery of this._discoveryMethods) {
-      discovery.stopDiscovery();
-    }
-  },
-}