Remove the Social API

1 files changed, 0 insertions, 1097 deletions

diff --git a/browser/modules/SocialService.jsm b/browser/modules/SocialService.jsm
deleted file mode 100644
index 95f5e0259..000000000
--- a/browser/modules/SocialService.jsm
+++ /dev/null
@@ -1,1097 +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/. */
-
-this.EXPORTED_SYMBOLS = ["SocialService"];
-
-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/AddonManager.jsm");
-Cu.import("resource://gre/modules/PlacesUtils.jsm");
-
-const URI_EXTENSION_STRINGS  = "chrome://mozapps/locale/extensions/extensions.properties";
-const ADDON_TYPE_SERVICE     = "service";
-const ID_SUFFIX              = "@services.mozilla.org";
-const STRING_TYPE_NAME       = "type.%ID%.name";
-
-XPCOMUtils.defineLazyModuleGetter(this, "DeferredTask", "resource://gre/modules/DeferredTask.jsm");
-
-XPCOMUtils.defineLazyServiceGetter(this, "etld",
-                                   "@mozilla.org/network/effective-tld-service;1",
-                                   "nsIEffectiveTLDService");
-
-/**
- * The SocialService is the public API to social providers - it tracks which
- * providers are installed and enabled, and is the entry-point for access to
- * the provider itself.
- */
-
-// Internal helper methods and state
-var SocialServiceInternal = {
-  get enabled() {
-    return this.providerArray.length > 0;
-  },
-
-  get providerArray() {
-    return Object.keys(this.providers).map(origin => this.providers[origin]);
-  },
-  *manifestsGenerator() {
-    // Retrieve the manifests of installed providers from prefs
-    let MANIFEST_PREFS = Services.prefs.getBranch("social.manifest.");
-    let prefs = MANIFEST_PREFS.getChildList("", []);
-    for (let pref of prefs) {
-      // we only consider manifests in user level prefs to be *installed*
-      if (!MANIFEST_PREFS.prefHasUserValue(pref))
-        continue;
-      try {
-        var manifest = JSON.parse(MANIFEST_PREFS.getComplexValue(pref, Ci.nsISupportsString).data);
-        if (manifest && typeof(manifest) == "object" && manifest.origin)
-          yield manifest;
-      } catch (err) {
-        Cu.reportError("SocialService: failed to load manifest: " + pref +
-                       ", exception: " + err);
-      }
-    }
-  },
-  get manifests() {
-    return this.manifestsGenerator();
-  },
-  getManifestPrefname: function(origin) {
-    // Retrieve the prefname for a given origin/manifest.
-    // If no existing pref, return a generated prefname.
-    let MANIFEST_PREFS = Services.prefs.getBranch("social.manifest.");
-    let prefs = MANIFEST_PREFS.getChildList("", []);
-    for (let pref of prefs) {
-      try {
-        var manifest = JSON.parse(MANIFEST_PREFS.getComplexValue(pref, Ci.nsISupportsString).data);
-        if (manifest.origin == origin) {
-          return pref;
-        }
-      } catch (err) {
-        Cu.reportError("SocialService: failed to load manifest: " + pref +
-                       ", exception: " + err);
-      }
-    }
-    let originUri = Services.io.newURI(origin, null, null);
-    return originUri.hostPort.replace('.', '-');
-  },
-  orderedProviders: function(aCallback) {
-    if (SocialServiceInternal.providerArray.length < 2) {
-      schedule(function () {
-        aCallback(SocialServiceInternal.providerArray);
-      });
-      return;
-    }
-    // query moz_hosts for frecency.  since some providers may not have a
-    // frecency entry, we need to later sort on our own. We use the providers
-    // object below as an easy way to later record the frecency on the provider
-    // object from the query results.
-    let hosts = [];
-    let providers = {};
-
-    for (let p of SocialServiceInternal.providerArray) {
-      p.frecency = 0;
-      providers[p.domain] = p;
-      hosts.push(p.domain);
-    }
-
-    // cannot bind an array to stmt.params so we have to build the string
-    let stmt = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
-                                 .DBConnection.createAsyncStatement(
-      "SELECT host, frecency FROM moz_hosts WHERE host IN (" +
-      hosts.map(host => '"' + host + '"').join(",") + ") "
-    );
-
-    try {
-      stmt.executeAsync({
-        handleResult: function(aResultSet) {
-          let row;
-          while ((row = aResultSet.getNextRow())) {
-            let rh = row.getResultByName("host");
-            let frecency = row.getResultByName("frecency");
-            providers[rh].frecency = parseInt(frecency) || 0;
-          }
-        },
-        handleError: function(aError) {
-          Cu.reportError(aError.message + " (Result = " + aError.result + ")");
-        },
-        handleCompletion: function(aReason) {
-          // the query may not have returned all our providers, so we have
-          // stamped the frecency on the provider and sort here. This makes sure
-          // all enabled providers get sorted even with frecency zero.
-          let providerList = SocialServiceInternal.providerArray;
-          // reverse sort
-          aCallback(providerList.sort((a, b) => b.frecency - a.frecency));
-        }
-      });
-    } finally {
-      stmt.finalize();
-    }
-  }
-};
-
-XPCOMUtils.defineLazyGetter(SocialServiceInternal, "providers", function () {
-  initService();
-  let providers = {};
-  for (let manifest of this.manifests) {
-    try {
-      if (ActiveProviders.has(manifest.origin)) {
-        // enable the api when a provider is enabled
-        let provider = new SocialProvider(manifest);
-        providers[provider.origin] = provider;
-      }
-    } catch (err) {
-      Cu.reportError("SocialService: failed to load provider: " + manifest.origin +
-                     ", exception: " + err);
-    }
-  }
-  return providers;
-});
-
-function getOriginActivationType(origin) {
-  // if this is an about uri, treat it as a directory
-  let URI = Services.io.newURI(origin, null, null);
-  let principal = Services.scriptSecurityManager.createCodebasePrincipal(URI, {});
-  if (Services.scriptSecurityManager.isSystemPrincipal(principal) || origin == "moz-safe-about:home") {
-    return "internal";
-  }
-
-  let directories = Services.prefs.getCharPref("social.directories").split(',');
-  if (directories.indexOf(origin) >= 0)
-    return "directory";
-
-  return "foreign";
-}
-
-var ActiveProviders = {
-  get _providers() {
-    delete this._providers;
-    this._providers = {};
-    try {
-      let pref = Services.prefs.getComplexValue("social.activeProviders",
-                                                Ci.nsISupportsString);
-      this._providers = JSON.parse(pref);
-    } catch (ex) {}
-    return this._providers;
-  },
-
-  has: function (origin) {
-    return (origin in this._providers);
-  },
-
-  add: function (origin) {
-    this._providers[origin] = 1;
-    this._deferredTask.arm();
-  },
-
-  delete: function (origin) {
-    delete this._providers[origin];
-    this._deferredTask.arm();
-  },
-
-  flush: function () {
-    this._deferredTask.disarm();
-    this._persist();
-  },
-
-  get _deferredTask() {
-    delete this._deferredTask;
-    return this._deferredTask = new DeferredTask(this._persist.bind(this), 0);
-  },
-
-  _persist: function () {
-    let string = Cc["@mozilla.org/supports-string;1"].
-                 createInstance(Ci.nsISupportsString);
-    string.data = JSON.stringify(this._providers);
-    Services.prefs.setComplexValue("social.activeProviders",
-                                   Ci.nsISupportsString, string);
-  }
-};
-
-function migrateSettings() {
-  let activeProviders, enabled;
-  try {
-    activeProviders = Services.prefs.getCharPref("social.activeProviders");
-  } catch (e) {
-    // not set, we'll check if we need to migrate older prefs
-  }
-  if (Services.prefs.prefHasUserValue("social.enabled")) {
-    enabled = Services.prefs.getBoolPref("social.enabled");
-  }
-  if (activeProviders) {
-    // migration from fx21 to fx22 or later
-    // ensure any *builtin* provider in activeproviders is in user level prefs
-    for (let origin in ActiveProviders._providers) {
-      let prefname;
-      let manifest;
-      let defaultManifest;
-      try {
-        prefname = getPrefnameFromOrigin(origin);
-        manifest = JSON.parse(Services.prefs.getComplexValue(prefname, Ci.nsISupportsString).data);
-      } catch (e) {
-        // Our preference is missing or bad, remove from ActiveProviders and
-        // continue. This is primarily an error-case and should only be
-        // reached by either messing with preferences or hitting the one or
-        // two days of nightly that ran into it, so we'll flush right away.
-        ActiveProviders.delete(origin);
-        ActiveProviders.flush();
-        continue;
-      }
-      let needsUpdate = !manifest.updateDate;
-      // fx23 may have built-ins with shareURL
-      try {
-        defaultManifest = Services.prefs.getDefaultBranch(null)
-                        .getComplexValue(prefname, Ci.nsISupportsString).data;
-        defaultManifest = JSON.parse(defaultManifest);
-      } catch (e) {
-        // not a built-in, continue
-      }
-      if (defaultManifest) {
-        if (defaultManifest.shareURL && !manifest.shareURL) {
-          manifest.shareURL = defaultManifest.shareURL;
-          needsUpdate = true;
-        }
-        if (defaultManifest.version && (!manifest.version || defaultManifest.version > manifest.version)) {
-          manifest = defaultManifest;
-          needsUpdate = true;
-        }
-      }
-      if (needsUpdate) {
-        // the provider was installed with an older build, so we will update the
-        // timestamp and ensure the manifest is in user prefs
-        delete manifest.builtin;
-        // we're potentially updating for share, so always mark the updateDate
-        manifest.updateDate = Date.now();
-        if (!manifest.installDate)
-          manifest.installDate = 0; // we don't know when it was installed
-
-        let string = Cc["@mozilla.org/supports-string;1"].
-                     createInstance(Ci.nsISupportsString);
-        string.data = JSON.stringify(manifest);
-        Services.prefs.setComplexValue(prefname, Ci.nsISupportsString, string);
-      }
-      // as of fx 29, we no longer rely on social.enabled. migration from prior
-      // versions should disable all service addons if social.enabled=false
-      if (enabled === false) {
-        ActiveProviders.delete(origin);
-      }
-    }
-    ActiveProviders.flush();
-    Services.prefs.clearUserPref("social.enabled");
-    return;
-  }
-
-  // primary migration from pre-fx21
-  let active;
-  try {
-    active = Services.prefs.getBoolPref("social.active");
-  } catch (e) {}
-  if (!active)
-    return;
-
-  // primary difference from SocialServiceInternal.manifests is that we
-  // only read the default branch here.
-  let manifestPrefs = Services.prefs.getDefaultBranch("social.manifest.");
-  let prefs = manifestPrefs.getChildList("", []);
-  for (let pref of prefs) {
-    try {
-      let manifest;
-      try {
-        manifest = JSON.parse(manifestPrefs.getComplexValue(pref, Ci.nsISupportsString).data);
-      } catch (e) {
-        // bad or missing preference, we wont update this one.
-        continue;
-      }
-      if (manifest && typeof(manifest) == "object" && manifest.origin) {
-        // our default manifests have been updated with the builtin flags as of
-        // fx22, delete it so we can set the user-pref
-        delete manifest.builtin;
-        if (!manifest.updateDate) {
-          manifest.updateDate = Date.now();
-          manifest.installDate = 0; // we don't know when it was installed
-        }
-
-        let string = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
-        string.data = JSON.stringify(manifest);
-        // pref here is just the branch name, set the full pref name
-        Services.prefs.setComplexValue("social.manifest." + pref, Ci.nsISupportsString, string);
-        ActiveProviders.add(manifest.origin);
-        ActiveProviders.flush();
-        // social.active was used at a time that there was only one
-        // builtin, we'll assume that is still the case
-        return;
-      }
-    } catch (err) {
-      Cu.reportError("SocialService: failed to load manifest: " + pref + ", exception: " + err);
-    }
-  }
-}
-
-function initService() {
-  Services.obs.addObserver(function xpcomShutdown() {
-    ActiveProviders.flush();
-    SocialService._providerListeners = null;
-    Services.obs.removeObserver(xpcomShutdown, "xpcom-shutdown");
-  }, "xpcom-shutdown", false);
-
-  try {
-    migrateSettings();
-  } catch (e) {
-    // no matter what, if migration fails we do not want to render social
-    // unusable. Worst case scenario is that, when upgrading Firefox, previously
-    // enabled providers are not migrated.
-    Cu.reportError("Error migrating social settings: " + e);
-  }
-}
-
-function schedule(callback) {
-  Services.tm.mainThread.dispatch(callback, Ci.nsIThread.DISPATCH_NORMAL);
-}
-
-// Public API
-this.SocialService = {
-  get hasEnabledProviders() {
-    // used as an optimization during startup, can be used to check if further
-    // initialization should be done (e.g. creating the instances of
-    // SocialProvider and turning on UI). ActiveProviders may have changed and
-    // not yet flushed so we check the active providers array
-    for (let p in ActiveProviders._providers) {
-      return true;
-    }
-    return false;
-  },
-  get enabled() {
-    return SocialServiceInternal.enabled;
-  },
-  set enabled(val) {
-    throw new Error("not allowed to set SocialService.enabled");
-  },
-
-  // Enables a provider, the manifest must already exist in prefs. The provider
-  // may or may not have previously been added. onDone is always called
-  // - with null if no such provider exists, or the activated provider on
-  // success.
-  enableProvider: function enableProvider(origin, onDone) {
-    if (SocialServiceInternal.providers[origin]) {
-      schedule(function() {
-        onDone(SocialServiceInternal.providers[origin]);
-      });
-      return;
-    }
-    let manifest = SocialService.getManifestByOrigin(origin);
-    if (manifest) {
-      let addon = new AddonWrapper(manifest);
-      AddonManagerPrivate.callAddonListeners("onEnabling", addon, false);
-      addon.pendingOperations |= AddonManager.PENDING_ENABLE;
-      this.addProvider(manifest, onDone);
-      addon.pendingOperations -= AddonManager.PENDING_ENABLE;
-      AddonManagerPrivate.callAddonListeners("onEnabled", addon);
-      return;
-    }
-    schedule(function() {
-      onDone(null);
-    });
-  },
-
-  // Adds a provider given a manifest, and returns the added provider.
-  addProvider: function addProvider(manifest, onDone) {
-    if (SocialServiceInternal.providers[manifest.origin])
-      throw new Error("SocialService.addProvider: provider with this origin already exists");
-
-    // enable the api when a provider is enabled
-    let provider = new SocialProvider(manifest);
-    SocialServiceInternal.providers[provider.origin] = provider;
-    ActiveProviders.add(provider.origin);
-
-    this.getOrderedProviderList(function (providers) {
-      this._notifyProviderListeners("provider-enabled", provider.origin, providers);
-      if (onDone)
-        onDone(provider);
-    }.bind(this));
-  },
-
-  // Removes a provider with the given origin, and notifies when the removal is
-  // complete.
-  disableProvider: function disableProvider(origin, onDone) {
-    if (!(origin in SocialServiceInternal.providers))
-      throw new Error("SocialService.disableProvider: no provider with origin " + origin + " exists!");
-
-    let provider = SocialServiceInternal.providers[origin];
-    let manifest = SocialService.getManifestByOrigin(origin);
-    let addon = manifest && new AddonWrapper(manifest);
-    if (addon) {
-      AddonManagerPrivate.callAddonListeners("onDisabling", addon, false);
-      addon.pendingOperations |= AddonManager.PENDING_DISABLE;
-    }
-    provider.enabled = false;
-
-    ActiveProviders.delete(provider.origin);
-
-    delete SocialServiceInternal.providers[origin];
-
-    if (addon) {
-      // we have to do this now so the addon manager ui will update an uninstall
-      // correctly.
-      addon.pendingOperations -= AddonManager.PENDING_DISABLE;
-      AddonManagerPrivate.callAddonListeners("onDisabled", addon);
-    }
-
-    this.getOrderedProviderList(function (providers) {
-      this._notifyProviderListeners("provider-disabled", origin, providers);
-      if (onDone)
-        onDone();
-    }.bind(this));
-  },
-
-  // Returns a single provider object with the specified origin.  The provider
-  // must be "installed" (ie, in ActiveProviders)
-  getProvider: function getProvider(origin, onDone) {
-    schedule((function () {
-      onDone(SocialServiceInternal.providers[origin] || null);
-    }).bind(this));
-  },
-
-  // Returns an unordered array of installed providers
-  getProviderList: function(onDone) {
-    schedule(function () {
-      onDone(SocialServiceInternal.providerArray);
-    });
-  },
-
-  getManifestByOrigin: function(origin) {
-    for (let manifest of SocialServiceInternal.manifests) {
-      if (origin == manifest.origin) {
-        return manifest;
-      }
-    }
-    return null;
-  },
-
-  // Returns an array of installed providers, sorted by frecency
-  getOrderedProviderList: function(onDone) {
-    SocialServiceInternal.orderedProviders(onDone);
-  },
-
-  getOriginActivationType: function (origin) {
-    return getOriginActivationType(origin);
-  },
-
-  _providerListeners: new Map(),
-  registerProviderListener: function registerProviderListener(listener) {
-    this._providerListeners.set(listener, 1);
-  },
-  unregisterProviderListener: function unregisterProviderListener(listener) {
-    this._providerListeners.delete(listener);
-  },
-
-  _notifyProviderListeners: function (topic, origin, providers) {
-    for (let [listener, ] of this._providerListeners) {
-      try {
-        listener(topic, origin, providers);
-      } catch (ex) {
-        Components.utils.reportError("SocialService: provider listener threw an exception: " + ex);
-      }
-    }
-  },
-
-  _manifestFromData: function(type, data, installOrigin) {
-    let featureURLs = ['shareURL'];
-    let resolveURLs = featureURLs.concat(['postActivationURL']);
-
-    if (type == 'directory' || type == 'internal') {
-      // directory provided manifests must have origin in manifest, use that
-      if (!data['origin']) {
-        Cu.reportError("SocialService.manifestFromData directory service provided manifest without origin.");
-        return null;
-      }
-      installOrigin = data.origin;
-    }
-    // force/fixup origin
-    let URI = Services.io.newURI(installOrigin, null, null);
-    let principal = Services.scriptSecurityManager.createCodebasePrincipal(URI, {});
-    data.origin = principal.origin;
-
-    // iconURL and name are required
-    let providerHasFeatures = featureURLs.some(url => data[url]);
-    if (!providerHasFeatures) {
-      Cu.reportError("SocialService.manifestFromData manifest missing required urls.");
-      return null;
-    }
-    if (!data['name'] || !data['iconURL']) {
-      Cu.reportError("SocialService.manifestFromData manifest missing name or iconURL.");
-      return null;
-    }
-    for (let url of resolveURLs) {
-      if (data[url]) {
-        try {
-          let resolved = Services.io.newURI(principal.URI.resolve(data[url]), null, null);
-          if (!(resolved.schemeIs("http") || resolved.schemeIs("https"))) {
-            Cu.reportError("SocialService.manifestFromData unsupported scheme '" + resolved.scheme + "' for " + principal.origin);
-            return null;
-          }
-          data[url] = resolved.spec;
-        } catch (e) {
-          Cu.reportError("SocialService.manifestFromData unable to resolve '" + url + "' for " + principal.origin);
-          return null;
-        }
-      }
-    }
-    return data;
-  },
-
-  _showInstallNotification: function(data, aAddonInstaller) {
-    let brandBundle = Services.strings.createBundle("chrome://branding/locale/brand.properties");
-    let browserBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
-
-    // internal/directory activations need to use the manifest origin, any other
-    // use the domain activation is occurring on
-    let url = data.url;
-    if (data.installType == "internal" || data.installType == "directory") {
-      url = data.manifest.origin;
-    }
-    let requestingURI =  Services.io.newURI(url, null, null);
-    let productName = brandBundle.GetStringFromName("brandShortName");
-
-    let message = browserBundle.formatStringFromName("service.install.description",
-                                                     [requestingURI.host, productName], 2);
-
-    let action = {
-      label: browserBundle.GetStringFromName("service.install.ok.label"),
-      accessKey: browserBundle.GetStringFromName("service.install.ok.accesskey"),
-      callback: function() {
-        aAddonInstaller.install();
-      },
-    };
-
-    let options = {
-                    learnMoreURL: Services.urlFormatter.formatURLPref("app.support.baseURL") + "social-api",
-                  };
-    let anchor = "servicesInstall-notification-icon";
-    let notificationid = "servicesInstall";
-    data.window.PopupNotifications.show(data.window.gBrowser.selectedBrowser,
-                                        notificationid, message, anchor,
-                                        action, [], options);
-  },
-
-  installProvider: function(data, installCallback, options={}) {
-    data.installType = getOriginActivationType(data.origin);
-    // if we get data, we MUST have a valid manifest generated from the data
-    let manifest = this._manifestFromData(data.installType, data.manifest, data.origin);
-    if (!manifest)
-      throw new Error("SocialService.installProvider: service configuration is invalid from " + data.url);
-
-    let addon = new AddonWrapper(manifest);
-    if (addon && addon.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED)
-      throw new Error("installProvider: provider with origin [" +
-                      data.origin + "] is blocklisted");
-    // manifestFromData call above will enforce correct origin. To support
-    // activation from about: uris, we need to be sure to use the updated
-    // origin on the manifest.
-    data.manifest = manifest;
-    let id = getAddonIDFromOrigin(manifest.origin);
-    AddonManager.getAddonByID(id, function(aAddon) {
-      if (aAddon && aAddon.userDisabled) {
-        aAddon.cancelUninstall();
-        aAddon.userDisabled = false;
-      }
-      schedule(function () {
-        try {
-          this._installProvider(data, options, aManifest => {
-              this._notifyProviderListeners("provider-installed", aManifest.origin);
-              installCallback(aManifest);
-          });
-        } catch (e) {
-          Cu.reportError("Activation failed: " + e);
-          installCallback(null);
-        }
-      }.bind(this));
-    }.bind(this));
-  },
-
-  _installProvider: function(data, options, installCallback) {
-    if (!data.manifest)
-      throw new Error("Cannot install provider without manifest data");
-
-    if (data.installType == "foreign" && !Services.prefs.getBoolPref("social.remote-install.enabled"))
-      throw new Error("Remote install of services is disabled");
-
-    // if installing from any website, the install must happen over https.
-    // "internal" are installs from about:home or similar
-    if (data.installType != "internal" && !Services.io.newURI(data.origin, null, null).schemeIs("https")) {
-      throw new Error("attempt to activate provider over unsecured channel: " + data.origin);
-    }
-
-    let installer = new AddonInstaller(data.url, data.manifest, installCallback);
-    let bypassPanel = options.bypassInstallPanel ||
-                      (data.installType == "internal" && data.manifest.oneclick);
-    if (bypassPanel)
-      installer.install();
-    else
-      this._showInstallNotification(data, installer);
-  },
-
-  createWrapper: function(manifest) {
-    return new AddonWrapper(manifest);
-  },
-
-  /**
-   * updateProvider is used from the worker to self-update.  Since we do not
-   * have knowledge of the currently selected provider here, we will notify
-   * the front end to deal with any reload.
-   */
-  updateProvider: function(aUpdateOrigin, aManifest) {
-    let installType = this.getOriginActivationType(aUpdateOrigin);
-    // if we get data, we MUST have a valid manifest generated from the data
-    let manifest = this._manifestFromData(installType, aManifest, aUpdateOrigin);
-    if (!manifest)
-      throw new Error("SocialService.installProvider: service configuration is invalid from " + aUpdateOrigin);
-
-    // overwrite the preference
-    let string = Cc["@mozilla.org/supports-string;1"].
-                 createInstance(Ci.nsISupportsString);
-    string.data = JSON.stringify(manifest);
-    Services.prefs.setComplexValue(getPrefnameFromOrigin(manifest.origin), Ci.nsISupportsString, string);
-
-    // overwrite the existing provider then notify the front end so it can
-    // handle any reload that might be necessary.
-    if (ActiveProviders.has(manifest.origin)) {
-      let provider = SocialServiceInternal.providers[manifest.origin];
-      provider.enabled = false;
-      provider = new SocialProvider(manifest);
-      SocialServiceInternal.providers[provider.origin] = provider;
-      // update the cache and ui, reload provider if necessary
-      this.getOrderedProviderList(providers => {
-        this._notifyProviderListeners("provider-update", provider.origin, providers);
-      });
-    }
-
-  },
-
-  uninstallProvider: function(origin, aCallback) {
-    let manifest = SocialService.getManifestByOrigin(origin);
-    let addon = new AddonWrapper(manifest);
-    addon.uninstall(aCallback);
-  }
-};
-
-/**
- * The SocialProvider object represents a social provider.
- *
- * @constructor
- * @param {jsobj} object representing the manifest file describing this provider
- * @param {bool} boolean indicating whether this provider is "built in"
- */
-function SocialProvider(input) {
-  if (!input.name)
-    throw new Error("SocialProvider must be passed a name");
-  if (!input.origin)
-    throw new Error("SocialProvider must be passed an origin");
-
-  let addon = new AddonWrapper(input);
-  if (addon.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED)
-    throw new Error("SocialProvider: provider with origin [" +
-                    input.origin + "] is blocklisted");
-
-  this.name = input.name;
-  this.iconURL = input.iconURL;
-  this.icon32URL = input.icon32URL;
-  this.icon64URL = input.icon64URL;
-  this.shareURL = input.shareURL;
-  this.postActivationURL = input.postActivationURL;
-  this.origin = input.origin;
-  let originUri = Services.io.newURI(input.origin, null, null);
-  this.principal = Services.scriptSecurityManager.createCodebasePrincipal(originUri, {});
-  this.ambientNotificationIcons = {};
-  this.errorState = null;
-  this.frecency = 0;
-
-  try {
-    this.domain = etld.getBaseDomainFromHost(originUri.host);
-  } catch (e) {
-    this.domain = originUri.host;
-  }
-}
-
-SocialProvider.prototype = {
-  reload: function() {
-    // calling terminate/activate does not set the enabled state whereas setting
-    // enabled will call terminate/activate
-    this.enabled = false;
-    this.enabled = true;
-    Services.obs.notifyObservers(null, "social:provider-reload", this.origin);
-  },
-
-  // Provider enabled/disabled state.
-  _enabled: false,
-  get enabled() {
-    return this._enabled;
-  },
-  set enabled(val) {
-    let enable = !!val;
-    if (enable == this._enabled)
-      return;
-
-    this._enabled = enable;
-
-    if (enable) {
-      this._activate();
-    } else {
-      this._terminate();
-    }
-  },
-
-  get manifest() {
-    return SocialService.getManifestByOrigin(this.origin);
-  },
-
-  getPageSize: function(name) {
-    let manifest = this.manifest;
-    if (manifest && manifest.pageSize)
-      return manifest.pageSize[name];
-    return undefined;
-  },
-
-  // Internal helper methods
-  _activate: function _activate() {
-  },
-
-  _terminate: function _terminate() {
-    this.errorState = null;
-  },
-
-  /**
-   * Checks if a given URI is of the same origin as the provider.
-   *
-   * Returns true or false.
-   *
-   * @param {URI or string} uri
-   */
-  isSameOrigin: function isSameOrigin(uri, allowIfInheritsPrincipal) {
-    if (!uri)
-      return false;
-    if (typeof uri == "string") {
-      try {
-        uri = Services.io.newURI(uri, null, null);
-      } catch (ex) {
-        // an invalid URL can't be loaded!
-        return false;
-      }
-    }
-    try {
-      this.principal.checkMayLoad(
-        uri, // the thing to check.
-        false, // reportError - we do our own reporting when necessary.
-        allowIfInheritsPrincipal
-      );
-      return true;
-    } catch (ex) {
-      return false;
-    }
-  },
-
-  /**
-   * Resolve partial URLs for a provider.
-   *
-   * Returns nsIURI object or null on failure
-   *
-   * @param {string} url
-   */
-  resolveUri: function resolveUri(url) {
-    try {
-      let fullURL = this.principal.URI.resolve(url);
-      return Services.io.newURI(fullURL, null, null);
-    } catch (ex) {
-      Cu.reportError("mozSocial: failed to resolve window URL: " + url + "; " + ex);
-      return null;
-    }
-  }
-};
-
-function getAddonIDFromOrigin(origin) {
-  let originUri = Services.io.newURI(origin, null, null);
-  return originUri.host + ID_SUFFIX;
-}
-
-function getPrefnameFromOrigin(origin) {
-  return "social.manifest." + SocialServiceInternal.getManifestPrefname(origin);
-}
-
-function AddonInstaller(sourceURI, aManifest, installCallback) {
-  aManifest.updateDate = Date.now();
-  // get the existing manifest for installDate
-  let manifest = SocialService.getManifestByOrigin(aManifest.origin);
-  let isNewInstall = !manifest;
-  if (manifest && manifest.installDate)
-    aManifest.installDate = manifest.installDate;
-  else
-    aManifest.installDate = aManifest.updateDate;
-
-  this.sourceURI = sourceURI;
-  this.install = function() {
-    let addon = this.addon;
-    if (isNewInstall) {
-      AddonManagerPrivate.callInstallListeners("onExternalInstall", null, addon, null, false);
-      AddonManagerPrivate.callAddonListeners("onInstalling", addon, false);
-    }
-
-    let string = Cc["@mozilla.org/supports-string;1"].
-                 createInstance(Ci.nsISupportsString);
-    string.data = JSON.stringify(aManifest);
-    Services.prefs.setComplexValue(getPrefnameFromOrigin(aManifest.origin), Ci.nsISupportsString, string);
-
-    if (isNewInstall) {
-      AddonManagerPrivate.callAddonListeners("onInstalled", addon);
-    }
-    installCallback(aManifest);
-  };
-  this.cancel = function() {
-    Services.prefs.clearUserPref(getPrefnameFromOrigin(aManifest.origin));
-  };
-  this.addon = new AddonWrapper(aManifest);
-}
-
-var SocialAddonProvider = {
-  startup: function() {},
-
-  shutdown: function() {},
-
-  updateAddonAppDisabledStates: function() {
-    // we wont bother with "enabling" services that are released from blocklist
-    for (let manifest of SocialServiceInternal.manifests) {
-      try {
-        if (ActiveProviders.has(manifest.origin)) {
-          let addon = new AddonWrapper(manifest);
-          if (addon.blocklistState != Ci.nsIBlocklistService.STATE_NOT_BLOCKED) {
-            SocialService.disableProvider(manifest.origin);
-          }
-        }
-      } catch (e) {
-        Cu.reportError(e);
-      }
-    }
-  },
-
-  getAddonByID: function(aId, aCallback) {
-    for (let manifest of SocialServiceInternal.manifests) {
-      if (aId == getAddonIDFromOrigin(manifest.origin)) {
-        aCallback(new AddonWrapper(manifest));
-        return;
-      }
-    }
-    aCallback(null);
-  },
-
-  getAddonsByTypes: function(aTypes, aCallback) {
-    if (aTypes && aTypes.indexOf(ADDON_TYPE_SERVICE) == -1) {
-      aCallback([]);
-      return;
-    }
-    aCallback([...SocialServiceInternal.manifests].map(a => new AddonWrapper(a)));
-  },
-
-  removeAddon: function(aAddon, aCallback) {
-    AddonManagerPrivate.callAddonListeners("onUninstalling", aAddon, false);
-    aAddon.pendingOperations |= AddonManager.PENDING_UNINSTALL;
-    Services.prefs.clearUserPref(getPrefnameFromOrigin(aAddon.manifest.origin));
-    aAddon.pendingOperations -= AddonManager.PENDING_UNINSTALL;
-    AddonManagerPrivate.callAddonListeners("onUninstalled", aAddon);
-    SocialService._notifyProviderListeners("provider-uninstalled", aAddon.manifest.origin);
-    if (aCallback)
-      schedule(aCallback);
-  }
-};
-
-
-function AddonWrapper(aManifest) {
-  this.manifest = aManifest;
-  this.id = getAddonIDFromOrigin(this.manifest.origin);
-  this._pending = AddonManager.PENDING_NONE;
-}
-AddonWrapper.prototype = {
-  get type() {
-    return ADDON_TYPE_SERVICE;
-  },
-
-  get appDisabled() {
-    return this.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED;
-  },
-
-  set softDisabled(val) {
-    this.userDisabled = val;
-  },
-
-  get softDisabled() {
-    return this.userDisabled;
-  },
-
-  get isCompatible() {
-    return true;
-  },
-
-  get isPlatformCompatible() {
-    return true;
-  },
-
-  get scope() {
-    return AddonManager.SCOPE_PROFILE;
-  },
-
-  get foreignInstall() {
-    return false;
-  },
-
-  isCompatibleWith: function(appVersion, platformVersion) {
-    return true;
-  },
-
-  get providesUpdatesSecurely() {
-    return true;
-  },
-
-  get blocklistState() {
-    return Services.blocklist.getAddonBlocklistState(this);
-  },
-
-  get blocklistURL() {
-    return Services.blocklist.getAddonBlocklistURL(this);
-  },
-
-  get screenshots() {
-    return [];
-  },
-
-  get pendingOperations() {
-    return this._pending || AddonManager.PENDING_NONE;
-  },
-  set pendingOperations(val) {
-    this._pending = val;
-  },
-
-  get operationsRequiringRestart() {
-    return AddonManager.OP_NEEDS_RESTART_NONE;
-  },
-
-  get size() {
-    return null;
-  },
-
-  get permissions() {
-    let permissions = 0;
-    // any "user defined" manifest can be removed
-    if (Services.prefs.prefHasUserValue(getPrefnameFromOrigin(this.manifest.origin)))
-      permissions = AddonManager.PERM_CAN_UNINSTALL;
-    if (!this.appDisabled) {
-      if (this.userDisabled) {
-        permissions |= AddonManager.PERM_CAN_ENABLE;
-      } else {
-        permissions |= AddonManager.PERM_CAN_DISABLE;
-      }
-    }
-    return permissions;
-  },
-
-  findUpdates: function(listener, reason, appVersion, platformVersion) {
-    if ("onNoCompatibilityUpdateAvailable" in listener)
-      listener.onNoCompatibilityUpdateAvailable(this);
-    if ("onNoUpdateAvailable" in listener)
-      listener.onNoUpdateAvailable(this);
-    if ("onUpdateFinished" in listener)
-      listener.onUpdateFinished(this);
-  },
-
-  get isActive() {
-    return ActiveProviders.has(this.manifest.origin);
-  },
-
-  get name() {
-    return this.manifest.name;
-  },
-  get version() {
-    return this.manifest.version ? this.manifest.version.toString() : "";
-  },
-
-  get iconURL() {
-    return this.manifest.icon32URL ? this.manifest.icon32URL : this.manifest.iconURL;
-  },
-  get icon64URL() {
-    return this.manifest.icon64URL;
-  },
-  get icons() {
-    let icons = {
-      16: this.manifest.iconURL
-    };
-    if (this.manifest.icon32URL)
-      icons[32] = this.manifest.icon32URL;
-    if (this.manifest.icon64URL)
-      icons[64] = this.manifest.icon64URL;
-    return icons;
-  },
-
-  get description() {
-    return this.manifest.description;
-  },
-  get homepageURL() {
-    return this.manifest.homepageURL;
-  },
-  get defaultLocale() {
-    return this.manifest.defaultLocale;
-  },
-  get selectedLocale() {
-    return this.manifest.selectedLocale;
-  },
-
-  get installDate() {
-    return this.manifest.installDate ? new Date(this.manifest.installDate) : null;
-  },
-  get updateDate() {
-    return this.manifest.updateDate ? new Date(this.manifest.updateDate) : null;
-  },
-
-  get creator() {
-    return new AddonManagerPrivate.AddonAuthor(this.manifest.author);
-  },
-
-  get userDisabled() {
-    return this.appDisabled || !ActiveProviders.has(this.manifest.origin);
-  },
-
-  set userDisabled(val) {
-    if (val == this.userDisabled)
-      return val;
-    if (val) {
-      SocialService.disableProvider(this.manifest.origin);
-    } else if (!this.appDisabled) {
-      SocialService.enableProvider(this.manifest.origin);
-    }
-    return val;
-  },
-
-  uninstall: function(aCallback) {
-    let prefName = getPrefnameFromOrigin(this.manifest.origin);
-    if (Services.prefs.prefHasUserValue(prefName)) {
-      if (ActiveProviders.has(this.manifest.origin)) {
-        SocialService.disableProvider(this.manifest.origin, function() {
-          SocialAddonProvider.removeAddon(this, aCallback);
-        }.bind(this));
-      } else {
-        SocialAddonProvider.removeAddon(this, aCallback);
-      }
-    } else {
-      schedule(aCallback);
-    }
-  },
-
-  cancelUninstall: function() {
-    this._pending -= AddonManager.PENDING_UNINSTALL;
-    AddonManagerPrivate.callAddonListeners("onOperationCancelled", this);
-  }
-};
-
-
-AddonManagerPrivate.registerProvider(SocialAddonProvider, [
-  new AddonManagerPrivate.AddonType(ADDON_TYPE_SERVICE, URI_EXTENSION_STRINGS,
-                                    STRING_TYPE_NAME,
-                                    AddonManager.VIEW_TYPE_LIST, 10000)
-]);