Add m-esr52 at 52.6.0

1 files changed, 394 insertions, 0 deletions

diff --git a/mobile/android/modules/FxAccountsWebChannel.jsm b/mobile/android/modules/FxAccountsWebChannel.jsm
new file mode 100644
index 000000000..6ee8fd07f
--- /dev/null
+++ b/mobile/android/modules/FxAccountsWebChannel.jsm
@@ -0,0 +1,394 @@
+// -*- Mode: js2; 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/. */
+
+/**
+ * Firefox Accounts Web Channel.
+ *
+ * Use the WebChannel component to receive messages about account
+ * state changes.
+ */
+this.EXPORTED_SYMBOLS = ["EnsureFxAccountsWebChannel"];
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; /*global Components */
+
+Cu.import("resource://gre/modules/Accounts.jsm"); /*global Accounts */
+Cu.import("resource://gre/modules/Services.jsm"); /*global Services */
+Cu.import("resource://gre/modules/WebChannel.jsm"); /*global WebChannel */
+Cu.import("resource://gre/modules/XPCOMUtils.jsm"); /*global XPCOMUtils */
+
+const log = Cu.import("resource://gre/modules/AndroidLog.jsm", {}).AndroidLog.bind("FxAccounts");
+
+const WEBCHANNEL_ID = "account_updates";
+
+const COMMAND_LOADED               = "fxaccounts:loaded";
+const COMMAND_CAN_LINK_ACCOUNT     = "fxaccounts:can_link_account";
+const COMMAND_LOGIN                = "fxaccounts:login";
+const COMMAND_CHANGE_PASSWORD      = "fxaccounts:change_password";
+const COMMAND_DELETE_ACCOUNT       = "fxaccounts:delete_account";
+const COMMAND_PROFILE_CHANGE       = "profile:change";
+const COMMAND_SYNC_PREFERENCES     = "fxaccounts:sync_preferences";
+
+const PREF_LAST_FXA_USER           = "identity.fxaccounts.lastSignedInUserHash";
+
+XPCOMUtils.defineLazyGetter(this, "strings",
+                            () => Services.strings.createBundle("chrome://browser/locale/aboutAccounts.properties")); /*global strings */
+
+XPCOMUtils.defineLazyModuleGetter(this, "Snackbars", "resource://gre/modules/Snackbars.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Prompt", "resource://gre/modules/Prompt.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "UITelemetry", "resource://gre/modules/UITelemetry.jsm");
+
+this.FxAccountsWebChannelHelpers = function() {
+};
+
+this.FxAccountsWebChannelHelpers.prototype = {
+  /**
+   * 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);
+  },
+};
+
+/**
+ * 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,
+
+  /**
+   * 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.e(e.toString());
+      throw e;
+    }
+  },
+
+  /**
+   * 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) {
+        let command = message.command;
+        let data = message.data;
+        log.d("FxAccountsWebChannel message received, command: " + command);
+
+        // Respond to the message with true or false.
+        let respond = (data) => {
+          let response = {
+            command: command,
+            messageId: message.messageId,
+            data: data
+          };
+          log.d("Sending response to command: " + command);
+          this._channel.send(response, sendingContext);
+        };
+
+        switch (command) {
+          case COMMAND_LOADED:
+            let mm = sendingContext.browser.docShell
+              .QueryInterface(Ci.nsIInterfaceRequestor)
+              .getInterface(Ci.nsIContentFrameMessageManager);
+            mm.sendAsyncMessage(COMMAND_LOADED);
+            break;
+
+          case COMMAND_CAN_LINK_ACCOUNT:
+            Accounts.getFirefoxAccount().then(account => {
+              if (account) {
+                // If we /have/ an Android Account, we never allow the user to
+                // login to a different account.  They need to manually delete
+                // the first Android Account and then create a new one.
+                if (account.email == data.email) {
+                  // In future, we should use a UID for this comparison.
+                  log.d("Relinking existing Android Account: email addresses agree.");
+                  respond({ok: true});
+                } else {
+                  log.w("Not relinking existing Android Account: email addresses disagree!");
+                  let message = strings.GetStringFromName("relinkDenied.message");
+                  let buttonLabel = strings.GetStringFromName("relinkDenied.openPrefs");
+                  Snackbars.show(message, Snackbars.LENGTH_LONG, {
+                    action: {
+                      label: buttonLabel,
+                      callback: () => {
+                        // We have an account, so this opens Sync native preferences.
+                        Accounts.launchSetup();
+                      },
+                    }
+                  });
+                  respond({ok: false});
+                }
+              } else {
+                // If we /don't have/ an Android Account, we warn if we're
+                // connecting to a new Account.  This is to minimize surprise;
+                // we never did this when changing accounts via the native UI.
+                let prevAcctHash = this._helpers.getPreviousAccountNameHashPref();
+                let shouldShowWarning = prevAcctHash && (prevAcctHash != this._helpers.sha256(data.email));
+
+                if (shouldShowWarning) {
+                  log.w("Warning about creating a new Android Account: previously linked to different email address!");
+                  let message = strings.formatStringFromName("relinkVerify.message", [data.email], 1);
+                  new Prompt({
+                    title: strings.GetStringFromName("relinkVerify.title"),
+                    message: message,
+                    buttons: [
+                      // This puts Cancel on the right.
+                      strings.GetStringFromName("relinkVerify.cancel"),
+                      strings.GetStringFromName("relinkVerify.continue"),
+                    ],
+                  }).show(result => respond({ok: result && result.button == 1}));
+                } else {
+                  log.d("Not warning about creating a new Android Account: no previously linked email address.");
+                  respond({ok: true});
+                }
+              }
+            }).catch(e => {
+              log.e(e.toString());
+              respond({ok: false});
+            });
+            break;
+
+          case COMMAND_LOGIN:
+            // Either create a new Android Account or re-connect an existing
+            // Android Account here.  There's not much to be done if we don't
+            // succeed or get an error.
+            Accounts.getFirefoxAccount().then(account => {
+              if (!account) {
+                return Accounts.createFirefoxAccountFromJSON(data).then(success => {
+                  if (!success) {
+                    throw new Error("Could not create Firefox Account!");
+                  }
+                  UITelemetry.addEvent("action.1", "content", null, "fxaccount-create");
+                  return success;
+                });
+              } else {
+                return Accounts.updateFirefoxAccountFromJSON(data).then(success => {
+                  if (!success) {
+                    throw new Error("Could not update Firefox Account!");
+                  }
+                  UITelemetry.addEvent("action.1", "content", null, "fxaccount-login");
+                  return success;
+                });
+              }
+            })
+            .then(success => {
+              if (!success) {
+                throw new Error("Could not create or update Firefox Account!");
+              }
+
+              // Remember who it is so we can show a relink warning when appropriate.
+              this._helpers.setPreviousAccountNameHashPref(data.email);
+
+              log.i("Created or updated Firefox Account.");
+            })
+            .catch(e => {
+              log.e(e.toString());
+            });
+            break;
+
+          case COMMAND_CHANGE_PASSWORD:
+            // Only update an existing Android Account.
+            Accounts.getFirefoxAccount().then(account => {
+              if (!account) {
+                throw new Error("Can't change password of non-existent Firefox Account!");
+              }
+              return Accounts.updateFirefoxAccountFromJSON(data);
+            })
+            .then(success => {
+              if (!success) {
+                throw new Error("Could not change Firefox Account password!");
+              }
+              UITelemetry.addEvent("action.1", "content", null, "fxaccount-changepassword");
+              log.i("Changed Firefox Account password.");
+            })
+            .catch(e => {
+              log.e(e.toString());
+            });
+            break;
+
+          case COMMAND_DELETE_ACCOUNT:
+            // The fxa-content-server has already confirmed the user's intent.
+            // Bombs away.  There's no recovery from failure, and not even a
+            // real need to check an account exists (although we do, for error
+            // messaging only).
+            Accounts.getFirefoxAccount().then(account => {
+              if (!account) {
+                throw new Error("Can't delete non-existent Firefox Account!");
+              }
+              return Accounts.deleteFirefoxAccount().then(success => {
+                if (!success) {
+                  throw new Error("Could not delete Firefox Account!");
+                }
+                UITelemetry.addEvent("action.1", "content", null, "fxaccount-delete");
+                log.i("Firefox Account deleted.");
+              });
+            }).catch(e => {
+              log.e(e.toString());
+            });
+            break;
+
+          case COMMAND_PROFILE_CHANGE:
+            // Only update an existing Android Account.
+            Accounts.getFirefoxAccount().then(account => {
+              if (!account) {
+                throw new Error("Can't change profile of non-existent Firefox Account!");
+              }
+              UITelemetry.addEvent("action.1", "content", null, "fxaccount-changeprofile");
+              return Accounts.notifyFirefoxAccountProfileChanged();
+            })
+            .catch(e => {
+              log.e(e.toString());
+            });
+            break;
+
+          case COMMAND_SYNC_PREFERENCES:
+            UITelemetry.addEvent("action.1", "content", null, "fxaccount-syncprefs");
+            Accounts.showSyncPreferences()
+            .catch(e => {
+              log.e(e.toString());
+            });
+            break;
+
+          default:
+            log.w("Ignoring unrecognized FxAccountsWebChannel command: " + JSON.stringify(command));
+            break;
+        }
+      }
+    };
+
+    this._channelCallback = listener;
+    this._channel = new WebChannel(this._webChannelId, this._webChannelOrigin);
+    this._channel.listen(listener);
+
+    log.d("FxAccountsWebChannel registered: " + this._webChannelId + " with origin " + this._webChannelOrigin.prePath);
+  }
+};
+
+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 and
+// allowing multiple channels would cause such notifications to be sent multiple
+// times.
+this.EnsureFxAccountsWebChannel = function() {
+  if (!singleton) {
+    let contentUri = Services.urlFormatter.formatURLPref("identity.fxaccounts.remote.webchannel.uri");
+    // The FxAccountsWebChannel listens for events and updates the Java layer.
+    singleton = new this.FxAccountsWebChannel({
+      content_uri: contentUri,
+      channel_id: WEBCHANNEL_ID,
+    });
+  }
+};