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authorwolfbeast <mcwerewolf@gmail.com>2018-11-30 08:36:28 +0100
committerwolfbeast <mcwerewolf@gmail.com>2018-11-30 08:36:28 +0100
commite156a64a5bd630e1a995f667852c905e4e228f93 (patch)
treed2b01f103ab921af05f53cc84a7e9baf36c4129a /services/sync
parentf852055159af21117b3eac53670a33a6c70112a6 (diff)
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Remove FxaMigrator module
Diffstat (limited to 'services/sync')
-rw-r--r--services/sync/modules/FxaMigrator.jsm546
-rw-r--r--services/sync/moz.build1
2 files changed, 0 insertions, 547 deletions
diff --git a/services/sync/modules/FxaMigrator.jsm b/services/sync/modules/FxaMigrator.jsm
deleted file mode 100644
index 605ee5d7f..000000000
--- a/services/sync/modules/FxaMigrator.jsm
+++ /dev/null
@@ -1,546 +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/. */
-
-"use strict;"
-
-const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Log.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
- "resource://gre/modules/FxAccounts.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "WeaveService", function() {
- return Cc["@mozilla.org/weave/service;1"]
- .getService(Components.interfaces.nsISupports)
- .wrappedJSObject;
-});
-
-XPCOMUtils.defineLazyModuleGetter(this, "Weave",
- "resource://services-sync/main.js");
-
-// FxAccountsCommon.js doesn't use a "namespace", so create one here.
-let fxAccountsCommon = {};
-Cu.import("resource://gre/modules/FxAccountsCommon.js", fxAccountsCommon);
-
-// We send this notification whenever the "user" migration state changes.
-const OBSERVER_STATE_CHANGE_TOPIC = "fxa-migration:state-changed";
-// We also send the state notification when we *receive* this. This allows
-// consumers to avoid loading this module until it receives a notification
-// from us (which may never happen if there's no migration to do)
-const OBSERVER_STATE_REQUEST_TOPIC = "fxa-migration:state-request";
-
-// We send this notification whenever the migration is paused waiting for
-// something internal to complete.
-const OBSERVER_INTERNAL_STATE_CHANGE_TOPIC = "fxa-migration:internal-state-changed";
-
-// We use this notification so Sync's healthreport module can record telemetry
-// (actually via "health report") for us.
-const OBSERVER_INTERNAL_TELEMETRY_TOPIC = "fxa-migration:internal-telemetry";
-
-const OBSERVER_TOPICS = [
- "xpcom-shutdown",
- "weave:service:sync:start",
- "weave:service:sync:finish",
- "weave:service:sync:error",
- "weave:eol",
- OBSERVER_STATE_REQUEST_TOPIC,
- fxAccountsCommon.ONLOGIN_NOTIFICATION,
- fxAccountsCommon.ONLOGOUT_NOTIFICATION,
- fxAccountsCommon.ONVERIFIED_NOTIFICATION,
-];
-
-// A list of preference names we write to the migration sentinel. We only
-// write ones that have a user-set value.
-const FXA_SENTINEL_PREFS = [
- "identity.fxaccounts.auth.uri",
- "identity.fxaccounts.remote.force_auth.uri",
- "identity.fxaccounts.remote.signup.uri",
- "identity.fxaccounts.remote.signin.uri",
- "identity.fxaccounts.settings.uri",
- "services.sync.tokenServerURI",
-];
-
-function Migrator() {
- // Leave the log-level as Debug - Sync will setup log appenders such that
- // these messages generally will not be seen unless other log related
- // prefs are set.
- this.log.level = Log.Level.Debug;
-
- this._nextUserStatePromise = Promise.resolve();
-
- for (let topic of OBSERVER_TOPICS) {
- Services.obs.addObserver(this, topic, false);
- }
- // ._state is an optimization so we avoid sending redundant observer
- // notifications when the state hasn't actually changed.
- this._state = null;
-}
-
-Migrator.prototype = {
- log: Log.repository.getLogger("Sync.SyncMigration"),
-
- // What user action is necessary to push the migration forward?
- // A |null| state means there is nothing to do. Note that a null state implies
- // either. (a) no migration is necessary or (b) that the migrator module is
- // waiting for something outside of the user's control - eg, sync to complete,
- // the migration sentinel to be uploaded, etc. In most cases the wait will be
- // short, but edge cases (eg, no network, sync bugs that prevent it stopping
- // until shutdown) may require a significantly longer wait.
- STATE_USER_FXA: "waiting for user to be signed in to FxA",
- STATE_USER_FXA_VERIFIED: "waiting for a verified FxA user",
-
- // What internal state are we at? This is primarily used for FHR reporting so
- // we can determine why exactly we might be stalled.
- STATE_INTERNAL_WAITING_SYNC_COMPLETE: "waiting for sync to complete",
- STATE_INTERNAL_WAITING_WRITE_SENTINEL: "waiting for sentinel to be written",
- STATE_INTERNAL_WAITING_START_OVER: "waiting for sync to reset itself",
- STATE_INTERNAL_COMPLETE: "migration complete",
-
- // Flags for the telemetry we record. The UI will call a helper to record
- // the fact some UI was interacted with.
- TELEMETRY_ACCEPTED: "accepted",
- TELEMETRY_DECLINED: "declined",
- TELEMETRY_UNLINKED: "unlinked",
-
- finalize() {
- for (let topic of OBSERVER_TOPICS) {
- Services.obs.removeObserver(this, topic);
- }
- },
-
- observe(subject, topic, data) {
- this.log.debug("observed " + topic);
- switch (topic) {
- case "xpcom-shutdown":
- this.finalize();
- break;
-
- case OBSERVER_STATE_REQUEST_TOPIC:
- // someone has requested the state - send it.
- this._queueCurrentUserState(true);
- break;
-
- default:
- // some other observer that may affect our state has fired, so update.
- this._queueCurrentUserState().then(
- () => this.log.debug("update state from observer " + topic + " complete")
- ).catch(err => {
- let msg = "Failed to handle topic " + topic + ": " + err;
- Cu.reportError(msg);
- this.log.error(msg);
- });
- }
- },
-
- // Try and move to a state where we are blocked on a user action.
- // This needs to be restartable, and the states may, in edge-cases, end
- // up going backwards (eg, user logs out while we are waiting to be told
- // about verification)
- // This is called by our observer notifications - so if there is already
- // a promise in-flight, it's possible we will miss something important - so
- // we wait for the in-flight one to complete then fire another (ie, this
- // is effectively a queue of promises)
- _queueCurrentUserState(forceObserver = false) {
- return this._nextUserStatePromise = this._nextUserStatePromise.then(
- () => this._promiseCurrentUserState(forceObserver),
- err => {
- let msg = "Failed to determine the current user state: " + err;
- Cu.reportError(msg);
- this.log.error(msg);
- return this._promiseCurrentUserState(forceObserver)
- }
- );
- },
-
- _promiseCurrentUserState: Task.async(function* (forceObserver) {
- this.log.trace("starting _promiseCurrentUserState");
- let update = (newState, email=null) => {
- this.log.info("Migration state: '${state}' => '${newState}'",
- {state: this._state, newState: newState});
- if (forceObserver || newState !== this._state) {
- this._state = newState;
- let subject = Cc["@mozilla.org/supports-string;1"]
- .createInstance(Ci.nsISupportsString);
- subject.data = email || "";
- Services.obs.notifyObservers(subject, OBSERVER_STATE_CHANGE_TOPIC, newState);
- }
- return newState;
- }
-
- // If we have no sync user, or are already using an FxA account we must
- // be done.
- if (WeaveService.fxAccountsEnabled) {
- // should not be necessary, but if we somehow ended up with FxA enabled
- // and sync blocked it would be bad - so better safe than sorry.
- this.log.debug("FxA enabled - there's nothing to do!")
- this._unblockSync();
- return update(null);
- }
-
- // so we need to migrate - let's see how far along we are.
- // If sync isn't in EOL mode, then we are still waiting for the server
- // to offer the migration process - so no user action necessary.
- let isEOL = false;
- try {
- isEOL = !!Services.prefs.getCharPref("services.sync.errorhandler.alert.mode");
- } catch (e) {}
-
- if (!isEOL) {
- return update(null);
- }
-
- // So we are in EOL mode - have we a user?
- let fxauser = yield fxAccounts.getSignedInUser();
- if (!fxauser) {
- // See if there is a migration sentinel so we can send the email
- // address that was used on a different device for this account (ie, if
- // this is a "join the party" migration rather than the first)
- let sentinel = yield this._getSyncMigrationSentinel();
- return update(this.STATE_USER_FXA, sentinel && sentinel.email);
- }
- if (!fxauser.verified) {
- return update(this.STATE_USER_FXA_VERIFIED, fxauser.email);
- }
-
- // So we just have housekeeping to do - we aren't blocked on a user, so
- // reflect that.
- this.log.info("No next user state - doing some housekeeping");
- update(null);
-
- // We need to disable sync from automatically starting,
- // and if we are currently syncing wait for it to complete.
- this._blockSync();
-
- // Are we currently syncing?
- if (Weave.Service._locked) {
- // our observers will kick us further along when complete.
- this.log.info("waiting for sync to complete")
- Services.obs.notifyObservers(null, OBSERVER_INTERNAL_STATE_CHANGE_TOPIC,
- this.STATE_INTERNAL_WAITING_SYNC_COMPLETE);
- return null;
- }
-
- // Write the migration sentinel if necessary.
- Services.obs.notifyObservers(null, OBSERVER_INTERNAL_STATE_CHANGE_TOPIC,
- this.STATE_INTERNAL_WAITING_WRITE_SENTINEL);
- yield this._setMigrationSentinelIfNecessary();
-
- // Get the list of enabled engines to we can restore that state.
- let enginePrefs = this._getEngineEnabledPrefs();
-
- // Must be ready to perform the actual migration.
- this.log.info("Performing final sync migration steps");
- // Do the actual migration. We setup one observer for when the new identity
- // is about to be initialized so we can reset some key preferences - but
- // there's no promise associated with this.
- let observeStartOverIdentity;
- Services.obs.addObserver(observeStartOverIdentity = () => {
- this.log.info("observed that startOver is about to re-initialize the identity");
- Services.obs.removeObserver(observeStartOverIdentity, "weave:service:start-over:init-identity");
- // We've now reset all sync prefs - set the engine related prefs back to
- // what they were.
- for (let [prefName, prefType, prefVal] of enginePrefs) {
- this.log.debug("Restoring pref ${prefName} (type=${prefType}) to ${prefVal}",
- {prefName, prefType, prefVal});
- switch (prefType) {
- case Services.prefs.PREF_BOOL:
- Services.prefs.setBoolPref(prefName, prefVal);
- break;
- case Services.prefs.PREF_STRING:
- Services.prefs.setCharPref(prefName, prefVal);
- break;
- default:
- // _getEngineEnabledPrefs doesn't return any other type...
- Cu.reportError("unknown engine pref type for " + prefName + ": " + prefType);
- }
- }
- }, "weave:service:start-over:init-identity", false);
-
- // And another observer for the startOver being fully complete - the only
- // reason for this is so we can wait until everything is fully reset.
- let startOverComplete = new Promise((resolve, reject) => {
- let observe;
- Services.obs.addObserver(observe = () => {
- this.log.info("observed that startOver is complete");
- Services.obs.removeObserver(observe, "weave:service:start-over:finish");
- resolve();
- }, "weave:service:start-over:finish", false);
- });
-
- Weave.Service.startOver();
- // need to wait for an observer.
- Services.obs.notifyObservers(null, OBSERVER_INTERNAL_STATE_CHANGE_TOPIC,
- this.STATE_INTERNAL_WAITING_START_OVER);
- yield startOverComplete;
- // observer fired, now kick things off with the FxA user.
- this.log.info("scheduling initial FxA sync.");
- // Note we technically don't need to unblockSync as by now all sync prefs
- // have been reset - but it doesn't hurt.
- this._unblockSync();
- Weave.Service.scheduler.scheduleNextSync(0);
-
- // Tell the front end that migration is now complete -- Sync is now
- // configured with an FxA user.
- forceObserver = true;
- this.log.info("Migration complete");
- update(null);
-
- Services.obs.notifyObservers(null, OBSERVER_INTERNAL_STATE_CHANGE_TOPIC,
- this.STATE_INTERNAL_COMPLETE);
- return null;
- }),
-
- /* Return an object with the preferences we care about */
- _getSentinelPrefs() {
- let result = {};
- for (let pref of FXA_SENTINEL_PREFS) {
- if (Services.prefs.prefHasUserValue(pref)) {
- result[pref] = Services.prefs.getCharPref(pref);
- }
- }
- return result;
- },
-
- /* Apply any preferences we've obtained from the sentinel */
- _applySentinelPrefs(savedPrefs) {
- for (let pref of FXA_SENTINEL_PREFS) {
- if (savedPrefs[pref]) {
- Services.prefs.setCharPref(pref, savedPrefs[pref]);
- }
- }
- },
-
- /* Ask sync to upload the migration sentinel */
- _setSyncMigrationSentinel: Task.async(function* () {
- yield WeaveService.whenLoaded();
- let signedInUser = yield fxAccounts.getSignedInUser();
- let sentinel = {
- email: signedInUser.email,
- uid: signedInUser.uid,
- verified: signedInUser.verified,
- prefs: this._getSentinelPrefs(),
- };
- yield Weave.Service.setFxAMigrationSentinel(sentinel);
- }),
-
- /* Ask sync to upload the migration sentinal if we (or any other linked device)
- haven't previously written one.
- */
- _setMigrationSentinelIfNecessary: Task.async(function* () {
- if (!(yield this._getSyncMigrationSentinel())) {
- this.log.info("writing the migration sentinel");
- yield this._setSyncMigrationSentinel();
- }
- }),
-
- /* Ask sync to return a migration sentinel if one exists, otherwise return null */
- _getSyncMigrationSentinel: Task.async(function* () {
- yield WeaveService.whenLoaded();
- let sentinel = yield Weave.Service.getFxAMigrationSentinel();
- this.log.debug("got migration sentinel ${}", sentinel);
- return sentinel;
- }),
-
- _getDefaultAccountName: Task.async(function* (sentinel) {
- // Requires looking to see if other devices have written a migration
- // sentinel (eg, see _haveSynchedMigrationSentinel), and if not, see if
- // the legacy account name appears to be a valid email address (via the
- // services.sync.account pref), otherwise return null.
- // NOTE: Sync does all this synchronously via nested event loops, but we
- // expose a promise to make future migration to an async-sync easier.
- if (sentinel && sentinel.email) {
- this.log.info("defaultAccountName found via sentinel: ${}", sentinel.email);
- return sentinel.email;
- }
- // No previous migrations, so check the existing account name.
- let account = Weave.Service.identity.account;
- if (account && account.contains("@")) {
- this.log.info("defaultAccountName found via legacy account name: {}", account);
- return account;
- }
- this.log.info("defaultAccountName could not find an account");
- return null;
- }),
-
- // Prevent sync from automatically starting
- _blockSync() {
- Weave.Service.scheduler.blockSync();
- },
-
- _unblockSync() {
- Weave.Service.scheduler.unblockSync();
- },
-
- /* Return a list of [prefName, prefType, prefVal] for all engine related
- preferences.
- */
- _getEngineEnabledPrefs() {
- let result = [];
- for (let engine of Weave.Service.engineManager.getAll()) {
- let prefName = "services.sync.engine." + engine.prefName;
- let prefVal;
- try {
- prefVal = Services.prefs.getBoolPref(prefName);
- result.push([prefName, Services.prefs.PREF_BOOL, prefVal]);
- } catch (ex) {} /* just skip this pref */
- }
- // and the declined list.
- try {
- let prefName = "services.sync.declinedEngines";
- let prefVal = Services.prefs.getCharPref(prefName);
- result.push([prefName, Services.prefs.PREF_STRING, prefVal]);
- } catch (ex) {}
- return result;
- },
-
- /* return true if all engines are enabled, false otherwise. */
- _allEnginesEnabled() {
- return Weave.Service.engineManager.getAll().every(e => e.enabled);
- },
-
- /*
- * Some helpers for the UI to try and move to the next state.
- */
-
- // Open a UI for the user to create a Firefox Account. This should only be
- // called while we are in the STATE_USER_FXA state. When the user completes
- // the creation we'll see an ONLOGIN_NOTIFICATION notification from FxA and
- // we'll move to either the STATE_USER_FXA_VERIFIED state or we'll just
- // complete the migration if they login as an already verified user.
- createFxAccount: Task.async(function* (win) {
- let {url, options} = yield this.getFxAccountCreationOptions();
- win.switchToTabHavingURI(url, true, options);
- // An FxA observer will fire when the user completes this, which will
- // cause us to move to the next "user blocked" state and notify via our
- // observer notification.
- }),
-
- // Returns an object with properties "url" and "options", suitable for
- // opening FxAccounts to create/signin to FxA suitable for the migration
- // state. The caller of this is responsible for the actual opening of the
- // page.
- // This should only be called while we are in the STATE_USER_FXA state. When
- // the user completes the creation we'll see an ONLOGIN_NOTIFICATION
- // notification from FxA and we'll move to either the STATE_USER_FXA_VERIFIED
- // state or we'll just complete the migration if they login as an already
- // verified user.
- getFxAccountCreationOptions: Task.async(function* (win) {
- // warn if we aren't in the expected state - but go ahead anyway!
- if (this._state != this.STATE_USER_FXA) {
- this.log.warn("getFxAccountCreationOptions called in an unexpected state: ${}", this._state);
- }
- // We need to obtain the sentinel and apply any prefs that might be
- // specified *before* attempting to setup FxA as the prefs might
- // specify custom servers etc.
- let sentinel = yield this._getSyncMigrationSentinel();
- if (sentinel && sentinel.prefs) {
- this._applySentinelPrefs(sentinel.prefs);
- }
- // If we already have a sentinel then we assume the user has previously
- // created the specified account, so just ask to sign-in.
- let action = sentinel ? "signin" : "signup";
- // See if we can find a default account name to use.
- let email = yield this._getDefaultAccountName(sentinel);
- let tail = email ? "&email=" + encodeURIComponent(email) : "";
- // A special flag so server-side metrics can tell this is part of migration.
- tail += "&migration=sync11";
- // We want to ask FxA to offer a "Customize Sync" checkbox iff any engines
- // are disabled.
- let customize = !this._allEnginesEnabled();
- tail += "&customizeSync=" + customize;
-
- // We assume the caller of this is going to actually use it, so record
- // telemetry now.
- this.recordTelemetry(this.TELEMETRY_ACCEPTED);
- return {
- url: "about:accounts?action=" + action + tail,
- options: {ignoreFragment: true, replaceQueryString: true}
- };
- }),
-
- // Ask the FxA servers to re-send a verification mail for the currently
- // logged in user. This should only be called while we are in the
- // STATE_USER_FXA_VERIFIED state. When the user clicks on the link in
- // the mail we should see an ONVERIFIED_NOTIFICATION which will cause us
- // to complete the migration.
- resendVerificationMail: Task.async(function * (win) {
- // warn if we aren't in the expected state - but go ahead anyway!
- if (this._state != this.STATE_USER_FXA_VERIFIED) {
- this.log.warn("resendVerificationMail called in an unexpected state: ${}", this._state);
- }
- let ok = true;
- try {
- yield fxAccounts.resendVerificationEmail();
- } catch (ex) {
- this.log.error("Failed to resend verification mail: ${}", ex);
- ok = false;
- }
- this.recordTelemetry(this.TELEMETRY_ACCEPTED);
- let fxauser = yield fxAccounts.getSignedInUser();
- let sb = Services.strings.createBundle("chrome://browser/locale/accounts.properties");
-
- let heading = ok ?
- sb.formatStringFromName("verificationSentHeading", [fxauser.email], 1) :
- sb.GetStringFromName("verificationNotSentHeading");
- let title = sb.GetStringFromName(ok ? "verificationSentTitle" : "verificationNotSentTitle");
- let description = sb.GetStringFromName(ok ? "verificationSentDescription"
- : "verificationNotSentDescription");
-
- let factory = Cc["@mozilla.org/prompter;1"]
- .getService(Ci.nsIPromptFactory);
- let prompt = factory.getPrompt(win, Ci.nsIPrompt);
- let bag = prompt.QueryInterface(Ci.nsIWritablePropertyBag2);
- bag.setPropertyAsBool("allowTabModal", true);
-
- prompt.alert(title, heading + "\n\n" + description);
- }),
-
- // "forget" about the current Firefox account. This should only be called
- // while we are in the STATE_USER_FXA_VERIFIED state. After this we will
- // see an ONLOGOUT_NOTIFICATION, which will cause the migrator to return back
- // to the STATE_USER_FXA state, from where they can choose a different account.
- forgetFxAccount: Task.async(function * () {
- // warn if we aren't in the expected state - but go ahead anyway!
- if (this._state != this.STATE_USER_FXA_VERIFIED) {
- this.log.warn("forgetFxAccount called in an unexpected state: ${}", this._state);
- }
- return fxAccounts.signOut();
- }),
-
- recordTelemetry(flag) {
- // Note the value is the telemetry field name - but this is an
- // implementation detail which could be changed later.
- switch (flag) {
- case this.TELEMETRY_ACCEPTED:
- case this.TELEMETRY_UNLINKED:
- case this.TELEMETRY_DECLINED:
- Services.obs.notifyObservers(null, OBSERVER_INTERNAL_TELEMETRY_TOPIC, flag);
- break;
- default:
- throw new Error("Unexpected telemetry flag: " + flag);
- }
- },
-
- get learnMoreLink() {
- try {
- var url = Services.prefs.getCharPref("app.support.baseURL");
- } catch (err) {
- return null;
- }
- url += "sync-upgrade";
- let sb = Services.strings.createBundle("chrome://weave/locale/services/sync.properties");
- return {
- text: sb.GetStringFromName("sync.eol.learnMore.label"),
- href: Services.urlFormatter.formatURL(url),
- };
- },
-};
-
-// We expose a singleton
-this.EXPORTED_SYMBOLS = ["fxaMigrator"];
-let fxaMigrator = new Migrator();
diff --git a/services/sync/moz.build b/services/sync/moz.build
index cedeb0529..be3aadb0a 100644
--- a/services/sync/moz.build
+++ b/services/sync/moz.build
@@ -21,7 +21,6 @@ EXTRA_JS_MODULES['services-sync'] += [
'modules/addonutils.js',
'modules/browserid_identity.js',
'modules/engines.js',
- 'modules/FxaMigrator.jsm',
'modules/healthreport.jsm',
'modules/identity.js',
'modules/jpakeclient.js',