1 files changed, 543 insertions, 0 deletions
diff --git a/browser/base/content/aboutaccounts/aboutaccounts.js b/browser/base/content/aboutaccounts/aboutaccounts.js
new file mode 100644
index 000000000..a05c1ea75
--- /dev/null
+++ b/browser/base/content/aboutaccounts/aboutaccounts.js
@@ -0,0 +1,543 @@
+/* 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";
+
+var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/FxAccounts.jsm");
+
+var fxAccountsCommon = {};
+Cu.import("resource://gre/modules/FxAccountsCommon.js", fxAccountsCommon);
+
+// for master-password utilities
+Cu.import("resource://services-sync/util.js");
+
+const PREF_LAST_FXA_USER = "identity.fxaccounts.lastSignedInUserHash";
+const PREF_SYNC_SHOW_CUSTOMIZATION = "services.sync-setup.ui.showCustomizationDialog";
+
+const ACTION_URL_PARAM = "action";
+
+const OBSERVER_TOPICS = [
+  fxAccountsCommon.ONVERIFIED_NOTIFICATION,
+  fxAccountsCommon.ONLOGOUT_NOTIFICATION,
+];
+
+function log(msg) {
+  // dump("FXA: " + msg + "\n");
+}
+
+function error(msg) {
+  console.log("Firefox Account Error: " + msg + "\n");
+}
+
+function getPreviousAccountNameHash() {
+  try {
+    return Services.prefs.getComplexValue(PREF_LAST_FXA_USER, Ci.nsISupportsString).data;
+  } catch (_) {
+    return "";
+  }
+}
+
+function setPreviousAccountNameHash(acctName) {
+  let string = Cc["@mozilla.org/supports-string;1"]
+               .createInstance(Ci.nsISupportsString);
+  string.data = sha256(acctName);
+  Services.prefs.setComplexValue(PREF_LAST_FXA_USER, Ci.nsISupportsString, string);
+}
+
+function needRelinkWarning(acctName) {
+  let prevAcctHash = getPreviousAccountNameHash();
+  return prevAcctHash && prevAcctHash != sha256(acctName);
+}
+
+// Given a string, returns the SHA265 hash in base64
+function 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);
+}
+
+function 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;
+  let pressed = Services.prompt.confirmEx(window, title, body, buttonFlags,
+                                     continueLabel, null, null, null,
+                                     {});
+  return pressed == 0; // 0 is the "continue" button
+}
+
+// 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...
+function shouldAllowRelink(acctName) {
+  return !needRelinkWarning(acctName) || promptForRelink(acctName);
+}
+
+function updateDisplayedEmail(user) {
+  let emailDiv = document.getElementById("email");
+  if (emailDiv && user) {
+    emailDiv.textContent = user.email;
+  }
+}
+
+var wrapper = {
+  iframe: null,
+
+  init: function (url, urlParams) {
+    // If a master-password is enabled, we want to encourage the user to
+    // unlock it.  Things still work if not, but the user will probably need
+    // to re-auth next startup (in which case we will get here again and
+    // re-prompt)
+    Utils.ensureMPUnlocked();
+
+    let iframe = document.getElementById("remote");
+    this.iframe = iframe;
+    this.iframe.QueryInterface(Ci.nsIFrameLoaderOwner);
+    let docShell = this.iframe.frameLoader.docShell;
+    docShell.QueryInterface(Ci.nsIWebProgress);
+    docShell.addProgressListener(this.iframeListener, Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
+    iframe.addEventListener("load", this);
+
+    // Ideally we'd just merge urlParams with new URL(url).searchParams, but our
+    // URLSearchParams implementation doesn't support iteration (bug 1085284).
+    let urlParamStr = urlParams.toString();
+    if (urlParamStr) {
+      url += (url.includes("?") ? "&" : "?") + urlParamStr;
+    }
+    this.url = url;
+    // Set the iframe's location with loadURI/LOAD_FLAGS_REPLACE_HISTORY to
+    // avoid having a new history entry being added. REPLACE_HISTORY is used
+    // to replace the current entry, which is `about:blank`.
+    let webNav = iframe.frameLoader.docShell.QueryInterface(Ci.nsIWebNavigation);
+    webNav.loadURI(url, Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY, null, null, null);
+  },
+
+  retry: function () {
+    let webNav = this.iframe.frameLoader.docShell.QueryInterface(Ci.nsIWebNavigation);
+    webNav.loadURI(this.url, Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_HISTORY, null, null, null);
+  },
+
+  iframeListener: {
+    QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
+                                         Ci.nsISupportsWeakReference,
+                                         Ci.nsISupports]),
+
+    onStateChange: function(aWebProgress, aRequest, aState, aStatus) {
+      let failure = false;
+
+      // Captive portals sometimes redirect users
+      if ((aState & Ci.nsIWebProgressListener.STATE_REDIRECTING)) {
+        failure = true;
+      } else if ((aState & Ci.nsIWebProgressListener.STATE_STOP)) {
+        if (aRequest instanceof Ci.nsIHttpChannel) {
+          try {
+            failure = aRequest.responseStatus != 200;
+          } catch (e) {
+            failure = aStatus != Components.results.NS_OK;
+          }
+        }
+      }
+
+      // Calling cancel() will raise some OnStateChange notifications by itself,
+      // so avoid doing that more than once
+      if (failure && aStatus != Components.results.NS_BINDING_ABORTED) {
+        aRequest.cancel(Components.results.NS_BINDING_ABORTED);
+        setErrorPage("networkError");
+      }
+    },
+
+    onLocationChange: function(aWebProgress, aRequest, aLocation, aFlags) {
+      if (aRequest && aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) {
+        aRequest.cancel(Components.results.NS_BINDING_ABORTED);
+        setErrorPage("networkError");
+      }
+    },
+
+    onProgressChange: function() {},
+    onStatusChange: function() {},
+    onSecurityChange: function() {},
+  },
+
+  handleEvent: function (evt) {
+    switch (evt.type) {
+      case "load":
+        this.iframe.contentWindow.addEventListener("FirefoxAccountsCommand", this);
+        this.iframe.removeEventListener("load", this);
+        break;
+      case "FirefoxAccountsCommand":
+        this.handleRemoteCommand(evt);
+        break;
+    }
+  },
+
+  /**
+   * onLogin handler receives user credentials from the jelly after a
+   * sucessful login and stores it in the fxaccounts service
+   *
+   * @param accountData the user's account data and credentials
+   */
+  onLogin: function (accountData) {
+    log("Received: 'login'. Data:" + JSON.stringify(accountData));
+
+    if (accountData.customizeSync) {
+      Services.prefs.setBoolPref(PREF_SYNC_SHOW_CUSTOMIZATION, true);
+    }
+    delete accountData.customizeSync;
+    // sessionTokenContext is erroneously sent by the content server.
+    // https://github.com/mozilla/fxa-content-server/issues/2766
+    // To avoid having the FxA storage manager not knowing what to do with
+    // it we delete it here.
+    delete accountData.sessionTokenContext;
+
+    // We need to confirm a relink - see shouldAllowRelink for more
+    let newAccountEmail = accountData.email;
+    // The hosted code may have already checked for the relink situation
+    // by sending the can_link_account command. If it did, then
+    // it will indicate we don't need to ask twice.
+    if (!accountData.verifiedCanLinkAccount && !shouldAllowRelink(newAccountEmail)) {
+      // we need to tell the page we successfully received the message, but
+      // then bail without telling fxAccounts
+      this.injectData("message", { status: "login" });
+      // after a successful login we return to preferences
+      openPrefs();
+      return;
+    }
+    delete accountData.verifiedCanLinkAccount;
+
+    // Remember who it was so we can log out next time.
+    setPreviousAccountNameHash(newAccountEmail);
+
+    // 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;
+    xps.whenLoaded().then(() => {
+      updateDisplayedEmail(accountData);
+      return fxAccounts.setSignedInUser(accountData);
+    }).then(() => {
+      // If the user data is verified, we want it to immediately look like
+      // they are signed in without waiting for messages to bounce around.
+      if (accountData.verified) {
+        openPrefs();
+      }
+      this.injectData("message", { status: "login" });
+      // until we sort out a better UX, just leave the jelly page in place.
+      // If the account email is not yet verified, it will tell the user to
+      // go check their email, but then it will *not* change state after
+      // the verification completes (the browser will begin syncing, but
+      // won't notify the user). If the email has already been verified,
+      // the jelly will say "Welcome! You are successfully signed in as
+      // EMAIL", but it won't then say "syncing started".
+    }, (err) => this.injectData("message", { status: "error", error: err })
+    );
+  },
+
+  onCanLinkAccount: function(accountData) {
+    // We need to confirm a relink - see shouldAllowRelink for more
+    let ok = shouldAllowRelink(accountData.email);
+    this.injectData("message", { status: "can_link_account", data: { ok: ok } });
+  },
+
+  /**
+   * onSignOut handler erases the current user's session from the fxaccounts service
+   */
+  onSignOut: function () {
+    log("Received: 'sign_out'.");
+
+    fxAccounts.signOut().then(
+      () => this.injectData("message", { status: "sign_out" }),
+      (err) => this.injectData("message", { status: "error", error: err })
+    );
+  },
+
+  handleRemoteCommand: function (evt) {
+    log('command: ' + evt.detail.command);
+    let data = evt.detail.data;
+
+    switch (evt.detail.command) {
+      case "login":
+        this.onLogin(data);
+        break;
+      case "can_link_account":
+        this.onCanLinkAccount(data);
+        break;
+      case "sign_out":
+        this.onSignOut(data);
+        break;
+      default:
+        log("Unexpected remote command received: " + evt.detail.command + ". Ignoring command.");
+        break;
+    }
+  },
+
+  injectData: function (type, content) {
+    return fxAccounts.promiseAccountsSignUpURI().then(authUrl => {
+      let data = {
+        type: type,
+        content: content
+      };
+      this.iframe.contentWindow.postMessage(data, authUrl);
+    })
+    .catch(e => {
+      console.log("Failed to inject data", e);
+      setErrorPage("configError");
+    });
+  },
+};
+
+
+// Button onclick handlers
+function handleOldSync() {
+  let chromeWin = window
+    .QueryInterface(Ci.nsIInterfaceRequestor)
+    .getInterface(Ci.nsIWebNavigation)
+    .QueryInterface(Ci.nsIDocShellTreeItem)
+    .rootTreeItem
+    .QueryInterface(Ci.nsIInterfaceRequestor)
+    .getInterface(Ci.nsIDOMWindow)
+    .QueryInterface(Ci.nsIDOMChromeWindow);
+  let url = Services.urlFormatter.formatURLPref("app.support.baseURL") + "old-sync";
+  chromeWin.switchToTabHavingURI(url, true);
+}
+
+function getStarted() {
+  show("remote");
+}
+
+function retry() {
+  show("remote");
+  wrapper.retry();
+}
+
+function openPrefs() {
+  // Bug 1199303 calls for this tab to always be replaced with Preferences
+  // rather than it opening in a different tab.
+  window.location = "about:preferences#sync";
+}
+
+function init() {
+  fxAccounts.getSignedInUser().then(user => {
+    // tests in particular might cause the window to start closing before
+    // getSignedInUser has returned.
+    if (window.closed) {
+      return Promise.resolve();
+    }
+
+    updateDisplayedEmail(user);
+
+    // Ideally we'd use new URL(document.URL).searchParams, but for about: URIs,
+    // searchParams is empty.
+    let urlParams = new URLSearchParams(document.URL.split("?")[1] || "");
+    let action = urlParams.get(ACTION_URL_PARAM);
+    urlParams.delete(ACTION_URL_PARAM);
+
+    switch (action) {
+    case "signin":
+      if (user) {
+        // asking to sign-in when already signed in just shows manage.
+        show("stage", "manage");
+      } else {
+        return fxAccounts.promiseAccountsSignInURI().then(url => {
+          show("remote");
+          wrapper.init(url, urlParams);
+        });
+      }
+      break;
+    case "signup":
+      if (user) {
+        // asking to sign-up when already signed in just shows manage.
+        show("stage", "manage");
+      } else {
+        return fxAccounts.promiseAccountsSignUpURI().then(url => {
+          show("remote");
+          wrapper.init(url, urlParams);
+        });
+      }
+      break;
+    case "reauth":
+      // ideally we would only show this when we know the user is in a
+      // "must reauthenticate" state - but we don't.
+      // As the email address will be included in the URL returned from
+      // promiseAccountsForceSigninURI, just always show it.
+      return fxAccounts.promiseAccountsForceSigninURI().then(url => {
+        show("remote");
+        wrapper.init(url, urlParams);
+      });
+    default:
+      // No action specified.
+      if (user) {
+        show("stage", "manage");
+      } else {
+        // Attempt a migration if enabled or show the introductory page
+        // otherwise.
+        return migrateToDevEdition(urlParams).then(migrated => {
+          if (!migrated) {
+            show("stage", "intro");
+            // load the remote frame in the background
+            return fxAccounts.promiseAccountsSignUpURI().then(uri =>
+              wrapper.init(uri, urlParams));
+          }
+          return Promise.resolve();
+        });
+      }
+      break;
+    }
+    return Promise.resolve();
+  }).catch(err => {
+    console.log("Configuration or sign in error", err);
+    setErrorPage("configError");
+  });
+}
+
+function setErrorPage(errorType) {
+  show("stage", errorType);
+}
+
+// Causes the "top-level" element with |id| to be shown - all other top-level
+// elements are hidden.  Optionally, ensures that only 1 "second-level" element
+// inside the top-level one is shown.
+function show(id, childId) {
+  // top-level items are either <div> or <iframe>
+  let allTop = document.querySelectorAll("body > div, iframe");
+  for (let elt of allTop) {
+    if (elt.getAttribute("id") == id) {
+      elt.style.display = 'block';
+    } else {
+      elt.style.display = 'none';
+    }
+  }
+  if (childId) {
+    // child items are all <div>
+    let allSecond = document.querySelectorAll("#" + id + " > div");
+    for (let elt of allSecond) {
+      if (elt.getAttribute("id") == childId) {
+        elt.style.display = 'block';
+      } else {
+        elt.style.display = 'none';
+      }
+    }
+  }
+}
+
+// Migrate sync data from the default profile to the dev-edition profile.
+// Returns a promise of a true value if migration succeeded, or false if it
+// failed.
+function migrateToDevEdition(urlParams) {
+  let defaultProfilePath;
+  try {
+    defaultProfilePath = window.getDefaultProfilePath();
+  } catch (e) {} // no default profile.
+  let migrateSyncCreds = false;
+  if (defaultProfilePath) {
+    try {
+      migrateSyncCreds = Services.prefs.getBoolPref("identity.fxaccounts.migrateToDevEdition");
+    } catch (e) {}
+  }
+
+  if (!migrateSyncCreds) {
+    return Promise.resolve(false);
+  }
+
+  Cu.import("resource://gre/modules/osfile.jsm");
+  let fxAccountsStorage = OS.Path.join(defaultProfilePath, fxAccountsCommon.DEFAULT_STORAGE_FILENAME);
+  return OS.File.read(fxAccountsStorage, { encoding: "utf-8" }).then(text => {
+    let accountData = JSON.parse(text).accountData;
+    updateDisplayedEmail(accountData);
+    return fxAccounts.setSignedInUser(accountData);
+  }).then(() => {
+    return fxAccounts.promiseAccountsForceSigninURI().then(url => {
+      show("remote");
+      wrapper.init(url, urlParams);
+    });
+  }).then(null, error => {
+    log("Failed to migrate FX Account: " + error);
+    show("stage", "intro");
+    // load the remote frame in the background
+    fxAccounts.promiseAccountsSignUpURI().then(uri => {
+      wrapper.init(uri, urlParams)
+    }).catch(e => {
+      console.log("Failed to load signup page", e);
+      setErrorPage("configError");
+    });
+  }).then(() => {
+    // Reset the pref after migration.
+    Services.prefs.setBoolPref("identity.fxaccounts.migrateToDevEdition", false);
+    return true;
+  }).then(null, err => {
+    Cu.reportError("Failed to reset the migrateToDevEdition pref: " + err);
+    return false;
+  });
+}
+
+// Helper function that returns the path of the default profile on disk. Will be
+// overridden in tests.
+function getDefaultProfilePath() {
+  let defaultProfile = Cc["@mozilla.org/toolkit/profile-service;1"]
+                        .getService(Ci.nsIToolkitProfileService)
+                        .defaultProfile;
+  return defaultProfile.rootDir.path;
+}
+
+document.addEventListener("DOMContentLoaded", function onload() {
+  document.removeEventListener("DOMContentLoaded", onload, true);
+  init();
+  var buttonGetStarted = document.getElementById('buttonGetStarted');
+  buttonGetStarted.addEventListener('click', getStarted);
+
+  var buttonRetry = document.getElementById('buttonRetry');
+  buttonRetry.addEventListener('click', retry);
+
+  var oldsync = document.getElementById('oldsync');
+  oldsync.addEventListener('click', handleOldSync);
+
+  var buttonOpenPrefs = document.getElementById('buttonOpenPrefs')
+  buttonOpenPrefs.addEventListener('click', openPrefs);
+}, true);
+
+function initObservers() {
+  function observe(subject, topic, data) {
+    log("about:accounts observed " + topic);
+    if (topic == fxAccountsCommon.ONLOGOUT_NOTIFICATION) {
+      // All about:account windows get changed to action=signin on logout.
+      window.location = "about:accounts?action=signin";
+      return;
+    }
+
+    // must be onverified - we want to open preferences.
+    openPrefs();
+  }
+
+  for (let topic of OBSERVER_TOPICS) {
+    Services.obs.addObserver(observe, topic, false);
+  }
+  window.addEventListener("unload", function(event) {
+    log("about:accounts unloading")
+    for (let topic of OBSERVER_TOPICS) {
+      Services.obs.removeObserver(observe, topic);
+    }
+  });
+}
+initObservers();