Merge branch 'master' into default-pref

1 files changed, 0 insertions, 474 deletions

diff --git a/services/fxaccounts/FxAccountsWebChannel.jsm b/services/fxaccounts/FxAccountsWebChannel.jsm
deleted file mode 100644
index 810d93c65..000000000
--- a/services/fxaccounts/FxAccountsWebChannel.jsm
+++ /dev/null
@@ -1,474 +0,0 @@
-/* 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/. */
-
-/**
- * Firefox Accounts Web Channel.
- *
- * Uses the WebChannel component to receive messages
- * about account state changes.
- */
-
-this.EXPORTED_SYMBOLS = ["EnsureFxAccountsWebChannel"];
-
-const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/FxAccountsCommon.js");
-
-XPCOMUtils.defineLazyModuleGetter(this, "Services",
-                                  "resource://gre/modules/Services.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "WebChannel",
-                                  "resource://gre/modules/WebChannel.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
-                                  "resource://gre/modules/FxAccounts.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "FxAccountsStorageManagerCanStoreField",
-                                  "resource://gre/modules/FxAccountsStorage.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "Weave",
-                                  "resource://services-sync/main.js");
-
-const COMMAND_PROFILE_CHANGE       = "profile:change";
-const COMMAND_CAN_LINK_ACCOUNT     = "fxaccounts:can_link_account";
-const COMMAND_LOGIN                = "fxaccounts:login";
-const COMMAND_LOGOUT               = "fxaccounts:logout";
-const COMMAND_DELETE               = "fxaccounts:delete";
-const COMMAND_SYNC_PREFERENCES     = "fxaccounts:sync_preferences";
-const COMMAND_CHANGE_PASSWORD      = "fxaccounts:change_password";
-
-const PREF_LAST_FXA_USER           = "identity.fxaccounts.lastSignedInUserHash";
-const PREF_SYNC_SHOW_CUSTOMIZATION = "services.sync-setup.ui.showCustomizationDialog";
-
-/**
- * A helper function that extracts the message and stack from an error object.
- * Returns a `{ message, stack }` tuple. `stack` will be null if the error
- * doesn't have a stack trace.
- */
-function getErrorDetails(error) {
-  let details = { message: String(error), stack: null };
-
-  // Adapted from Console.jsm.
-  if (error.stack) {
-    let frames = [];
-    for (let frame = error.stack; frame; frame = frame.caller) {
-      frames.push(String(frame).padStart(4));
-    }
-    details.stack = frames.join("\n");
-  }
-
-  return details;
-}
-
-/**
- * Create a new FxAccountsWebChannel to listen for account updates
- *
- * @param {Object} options Options
- *   @param {Object} options
- *     @param {String} options.content_uri
- *     The FxA Content server uri
- *     @param {String} options.channel_id
- *     The ID of the WebChannel
- *     @param {String} options.helpers
- *     Helpers functions. Should only be passed in for testing.
- * @constructor
- */
-this.FxAccountsWebChannel = function(options) {
-  if (!options) {
-    throw new Error("Missing configuration options");
-  }
-  if (!options["content_uri"]) {
-    throw new Error("Missing 'content_uri' option");
-  }
-  this._contentUri = options.content_uri;
-
-  if (!options["channel_id"]) {
-    throw new Error("Missing 'channel_id' option");
-  }
-  this._webChannelId = options.channel_id;
-
-  // options.helpers is only specified by tests.
-  this._helpers = options.helpers || new FxAccountsWebChannelHelpers(options);
-
-  this._setupChannel();
-};
-
-this.FxAccountsWebChannel.prototype = {
-  /**
-   * WebChannel that is used to communicate with content page
-   */
-  _channel: null,
-
-  /**
-   * Helpers interface that does the heavy lifting.
-   */
-  _helpers: null,
-
-  /**
-   * WebChannel ID.
-   */
-  _webChannelId: null,
-  /**
-   * WebChannel origin, used to validate origin of messages
-   */
-  _webChannelOrigin: null,
-
-  /**
-   * Release all resources that are in use.
-   */
-  tearDown() {
-    this._channel.stopListening();
-    this._channel = null;
-    this._channelCallback = null;
-  },
-
-  /**
-   * Configures and registers a new WebChannel
-   *
-   * @private
-   */
-  _setupChannel() {
-    // if this.contentUri is present but not a valid URI, then this will throw an error.
-    try {
-      this._webChannelOrigin = Services.io.newURI(this._contentUri, null, null);
-      this._registerChannel();
-    } catch (e) {
-      log.error(e);
-      throw e;
-    }
-  },
-
-  _receiveMessage(message, sendingContext) {
-    let command = message.command;
-    let data = message.data;
-
-    switch (command) {
-      case COMMAND_PROFILE_CHANGE:
-        Services.obs.notifyObservers(null, ON_PROFILE_CHANGE_NOTIFICATION, data.uid);
-        break;
-      case COMMAND_LOGIN:
-        this._helpers.login(data).catch(error =>
-          this._sendError(error, message, sendingContext));
-        break;
-      case COMMAND_LOGOUT:
-      case COMMAND_DELETE:
-        this._helpers.logout(data.uid).catch(error =>
-          this._sendError(error, message, sendingContext));
-        break;
-      case COMMAND_CAN_LINK_ACCOUNT:
-        let canLinkAccount = this._helpers.shouldAllowRelink(data.email);
-
-        let response = {
-          command: command,
-          messageId: message.messageId,
-          data: { ok: canLinkAccount }
-        };
-
-        log.debug("FxAccountsWebChannel response", response);
-        this._channel.send(response, sendingContext);
-        break;
-      case COMMAND_SYNC_PREFERENCES:
-        this._helpers.openSyncPreferences(sendingContext.browser, data.entryPoint);
-        break;
-      case COMMAND_CHANGE_PASSWORD:
-        this._helpers.changePassword(data).catch(error =>
-          this._sendError(error, message, sendingContext));
-        break;
-      default:
-        log.warn("Unrecognized FxAccountsWebChannel command", command);
-        break;
-    }
-  },
-
-  _sendError(error, incomingMessage, sendingContext) {
-    log.error("Failed to handle FxAccountsWebChannel message", error);
-    this._channel.send({
-      command: incomingMessage.command,
-      messageId: incomingMessage.messageId,
-      data: {
-        error: getErrorDetails(error),
-      },
-    }, sendingContext);
-  },
-
-  /**
-   * Create a new channel with the WebChannelBroker, setup a callback listener
-   * @private
-   */
-  _registerChannel() {
-    /**
-     * Processes messages that are called back from the FxAccountsChannel
-     *
-     * @param webChannelId {String}
-     *        Command webChannelId
-     * @param message {Object}
-     *        Command message
-     * @param sendingContext {Object}
-     *        Message sending context.
-     *        @param sendingContext.browser {browser}
-     *               The <browser> object that captured the
-     *               WebChannelMessageToChrome.
-     *        @param sendingContext.eventTarget {EventTarget}
-     *               The <EventTarget> where the message was sent.
-     *        @param sendingContext.principal {Principal}
-     *               The <Principal> of the EventTarget where the message was sent.
-     * @private
-     *
-     */
-    let listener = (webChannelId, message, sendingContext) => {
-      if (message) {
-        log.debug("FxAccountsWebChannel message received", message.command);
-        if (logPII) {
-          log.debug("FxAccountsWebChannel message details", message);
-        }
-        try {
-          this._receiveMessage(message, sendingContext);
-        } catch (error) {
-          this._sendError(error, message, sendingContext);
-        }
-      }
-    };
-
-    this._channelCallback = listener;
-    this._channel = new WebChannel(this._webChannelId, this._webChannelOrigin);
-    this._channel.listen(listener);
-    log.debug("FxAccountsWebChannel registered: " + this._webChannelId + " with origin " + this._webChannelOrigin.prePath);
-  }
-};
-
-this.FxAccountsWebChannelHelpers = function(options) {
-  options = options || {};
-
-  this._fxAccounts = options.fxAccounts || fxAccounts;
-};
-
-this.FxAccountsWebChannelHelpers.prototype = {
-  // If the last fxa account used for sync isn't this account, we display
-  // a modal dialog checking they really really want to do this...
-  // (This is sync-specific, so ideally would be in sync's identity module,
-  // but it's a little more seamless to do here, and sync is currently the
-  // only fxa consumer, so...
-  shouldAllowRelink(acctName) {
-    return !this._needRelinkWarning(acctName) ||
-            this._promptForRelink(acctName);
-  },
-
-  /**
-   * New users are asked in the content server whether they want to
-   * customize which data should be synced. The user is only shown
-   * the dialog listing the possible data types upon verification.
-   *
-   * Save a bit into prefs that is read on verification to see whether
-   * to show the list of data types that can be saved.
-   */
-  setShowCustomizeSyncPref(showCustomizeSyncPref) {
-    Services.prefs.setBoolPref(PREF_SYNC_SHOW_CUSTOMIZATION, showCustomizeSyncPref);
-  },
-
-  getShowCustomizeSyncPref() {
-    return Services.prefs.getBoolPref(PREF_SYNC_SHOW_CUSTOMIZATION);
-  },
-
-  /**
-   * stores sync login info it in the fxaccounts service
-   *
-   * @param accountData the user's account data and credentials
-   */
-  login(accountData) {
-    if (accountData.customizeSync) {
-      this.setShowCustomizeSyncPref(true);
-      delete accountData.customizeSync;
-    }
-
-    if (accountData.declinedSyncEngines) {
-      let declinedSyncEngines = accountData.declinedSyncEngines;
-      log.debug("Received declined engines", declinedSyncEngines);
-      Weave.Service.engineManager.setDeclined(declinedSyncEngines);
-      declinedSyncEngines.forEach(engine => {
-        Services.prefs.setBoolPref("services.sync.engine." + engine, false);
-      });
-
-      // if we got declinedSyncEngines that means we do not need to show the customize screen.
-      this.setShowCustomizeSyncPref(false);
-      delete accountData.declinedSyncEngines;
-    }
-
-    // the user has already been shown the "can link account"
-    // screen. No need to keep this data around.
-    delete accountData.verifiedCanLinkAccount;
-
-    // Remember who it was so we can log out next time.
-    this.setPreviousAccountNameHashPref(accountData.email);
-
-    // A sync-specific hack - we want to ensure sync has been initialized
-    // before we set the signed-in user.
-    let xps = Cc["@mozilla.org/weave/service;1"]
-              .getService(Ci.nsISupports)
-              .wrappedJSObject;
-    return xps.whenLoaded().then(() => {
-      return this._fxAccounts.setSignedInUser(accountData);
-    });
-  },
-
-  /**
-   * logout the fxaccounts service
-   *
-   * @param the uid of the account which have been logged out
-   */
-  logout(uid) {
-    return fxAccounts.getSignedInUser().then(userData => {
-      if (userData.uid === uid) {
-        // true argument is `localOnly`, because server-side stuff
-        // has already been taken care of by the content server
-        return fxAccounts.signOut(true);
-      }
-    });
-  },
-
-  changePassword(credentials) {
-    // If |credentials| has fields that aren't handled by accounts storage,
-    // updateUserAccountData will throw - mainly to prevent errors in code
-    // that hard-codes field names.
-    // However, in this case the field names aren't really in our control.
-    // We *could* still insist the server know what fields names are valid,
-    // but that makes life difficult for the server when Firefox adds new
-    // features (ie, new fields) - forcing the server to track a map of
-    // versions to supported field names doesn't buy us much.
-    // So we just remove field names we know aren't handled.
-    let newCredentials = {
-      deviceId: null
-    };
-    for (let name of Object.keys(credentials)) {
-      if (name == "email" || name == "uid" || FxAccountsStorageManagerCanStoreField(name)) {
-        newCredentials[name] = credentials[name];
-      } else {
-        log.info("changePassword ignoring unsupported field", name);
-      }
-    }
-    return this._fxAccounts.updateUserAccountData(newCredentials)
-      .then(() => this._fxAccounts.updateDeviceRegistration());
-  },
-
-  /**
-   * Get the hash of account name of the previously signed in account
-   */
-  getPreviousAccountNameHashPref() {
-    try {
-      return Services.prefs.getComplexValue(PREF_LAST_FXA_USER, Ci.nsISupportsString).data;
-    } catch (_) {
-      return "";
-    }
-  },
-
-  /**
-   * Given an account name, set the hash of the previously signed in account
-   *
-   * @param acctName the account name of the user's account.
-   */
-  setPreviousAccountNameHashPref(acctName) {
-    let string = Cc["@mozilla.org/supports-string;1"]
-                 .createInstance(Ci.nsISupportsString);
-    string.data = this.sha256(acctName);
-    Services.prefs.setComplexValue(PREF_LAST_FXA_USER, Ci.nsISupportsString, string);
-  },
-
-  /**
-   * Given a string, returns the SHA265 hash in base64
-   */
-  sha256(str) {
-    let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
-                      .createInstance(Ci.nsIScriptableUnicodeConverter);
-    converter.charset = "UTF-8";
-    // Data is an array of bytes.
-    let data = converter.convertToByteArray(str, {});
-    let hasher = Cc["@mozilla.org/security/hash;1"]
-                   .createInstance(Ci.nsICryptoHash);
-    hasher.init(hasher.SHA256);
-    hasher.update(data, data.length);
-
-    return hasher.finish(true);
-  },
-
-  /**
-   * Open Sync Preferences in the current tab of the browser
-   *
-   * @param {Object} browser the browser in which to open preferences
-   * @param {String} [entryPoint] entryPoint to use for logging
-   */
-  openSyncPreferences(browser, entryPoint) {
-    let uri = "about:preferences";
-    if (entryPoint) {
-      uri += "?entrypoint=" + encodeURIComponent(entryPoint);
-    }
-    uri += "#sync";
-
-    browser.loadURI(uri);
-  },
-
-  /**
-   * If a user signs in using a different account, the data from the
-   * previous account and the new account will be merged. Ask the user
-   * if they want to continue.
-   *
-   * @private
-   */
-  _needRelinkWarning(acctName) {
-    let prevAcctHash = this.getPreviousAccountNameHashPref();
-    return prevAcctHash && prevAcctHash != this.sha256(acctName);
-  },
-
-  /**
-   * Show the user a warning dialog that the data from the previous account
-   * and the new account will be merged.
-   *
-   * @private
-   */
-  _promptForRelink(acctName) {
-    let sb = Services.strings.createBundle("chrome://browser/locale/syncSetup.properties");
-    let continueLabel = sb.GetStringFromName("continue.label");
-    let title = sb.GetStringFromName("relinkVerify.title");
-    let description = sb.formatStringFromName("relinkVerify.description",
-                                              [acctName], 1);
-    let body = sb.GetStringFromName("relinkVerify.heading") +
-               "\n\n" + description;
-    let ps = Services.prompt;
-    let buttonFlags = (ps.BUTTON_POS_0 * ps.BUTTON_TITLE_IS_STRING) +
-                      (ps.BUTTON_POS_1 * ps.BUTTON_TITLE_CANCEL) +
-                      ps.BUTTON_POS_1_DEFAULT;
-
-    // If running in context of the browser chrome, window does not exist.
-    var targetWindow = typeof window === 'undefined' ? null : window;
-    let pressed = Services.prompt.confirmEx(targetWindow, title, body, buttonFlags,
-                                       continueLabel, null, null, null,
-                                       {});
-    return pressed === 0; // 0 is the "continue" button
-  }
-};
-
-var singleton;
-// The entry-point for this module, which ensures only one of our channels is
-// ever created - we require this because the WebChannel is global in scope
-// (eg, it uses the observer service to tell interested parties of interesting
-// things) and allowing multiple channels would cause such notifications to be
-// sent multiple times.
-this.EnsureFxAccountsWebChannel = function() {
-  let contentUri = Services.urlFormatter.formatURLPref("identity.fxaccounts.remote.webchannel.uri");
-  if (singleton && singleton._contentUri !== contentUri) {
-    singleton.tearDown();
-    singleton = null;
-  }
-  if (!singleton) {
-    try {
-      if (contentUri) {
-        // The FxAccountsWebChannel listens for events and updates
-        // the state machine accordingly.
-        singleton = new this.FxAccountsWebChannel({
-          content_uri: contentUri,
-          channel_id: WEBCHANNEL_ID,
-        });
-      } else {
-        log.warn("FxA WebChannel functionaly is disabled due to no URI pref.");
-      }
-    } catch (ex) {
-      log.error("Failed to create FxA WebChannel", ex);
-    }
-  }
-}