Remove WebExtension support from the platform.

- Conditional code
- WE APIs
- WE toolkit theming

1 files changed, 0 insertions, 321 deletions

diff --git a/toolkit/components/webextensions/ExtensionManagement.jsm b/toolkit/components/webextensions/ExtensionManagement.jsm
deleted file mode 100644
index 324c5b71b..000000000
--- a/toolkit/components/webextensions/ExtensionManagement.jsm
+++ /dev/null
@@ -1,321 +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";
-
-this.EXPORTED_SYMBOLS = ["ExtensionManagement"];
-
-const Ci = Components.interfaces;
-const Cc = Components.classes;
-const Cu = Components.utils;
-const Cr = Components.results;
-
-Cu.import("resource://gre/modules/AppConstants.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "ExtensionUtils",
-                                  "resource://gre/modules/ExtensionUtils.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "console", () => ExtensionUtils.getConsole());
-
-XPCOMUtils.defineLazyGetter(this, "UUIDMap", () => {
-  let {UUIDMap} = Cu.import("resource://gre/modules/Extension.jsm", {});
-  return UUIDMap;
-});
-
-/*
- * This file should be kept short and simple since it's loaded even
- * when no extensions are running.
- */
-
-// Keep track of frame IDs for content windows. Mostly we can just use
-// the outer window ID as the frame ID. However, the API specifies
-// that top-level windows have a frame ID of 0. So we need to keep
-// track of which windows are top-level. This code listens to messages
-// from ExtensionContent to do that.
-var Frames = {
-  // Window IDs of top-level content windows.
-  topWindowIds: new Set(),
-
-  init() {
-    if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
-      return;
-    }
-
-    Services.mm.addMessageListener("Extension:TopWindowID", this);
-    Services.mm.addMessageListener("Extension:RemoveTopWindowID", this, true);
-  },
-
-  isTopWindowId(windowId) {
-    return this.topWindowIds.has(windowId);
-  },
-
-  // Convert an outer window ID to a frame ID. An outer window ID of 0
-  // is invalid.
-  getId(windowId) {
-    if (this.isTopWindowId(windowId)) {
-      return 0;
-    }
-    if (windowId == 0) {
-      return -1;
-    }
-    return windowId;
-  },
-
-  // Convert an outer window ID for a parent window to a frame
-  // ID. Outer window IDs follow the same convention that
-  // |window.top.parent === window.top|. The API works differently,
-  // giving a frame ID of -1 for the the parent of a top-level
-  // window. This function handles the conversion.
-  getParentId(parentWindowId, windowId) {
-    if (parentWindowId == windowId) {
-      // We have a top-level window.
-      return -1;
-    }
-
-    // Not a top-level window. Just return the ID as normal.
-    return this.getId(parentWindowId);
-  },
-
-  receiveMessage({name, data}) {
-    switch (name) {
-      case "Extension:TopWindowID":
-        // FIXME: Need to handle the case where the content process
-        // crashes. Right now we leak its top window IDs.
-        this.topWindowIds.add(data.windowId);
-        break;
-
-      case "Extension:RemoveTopWindowID":
-        this.topWindowIds.delete(data.windowId);
-        break;
-    }
-  },
-};
-Frames.init();
-
-var APIs = {
-  apis: new Map(),
-
-  register(namespace, schema, script) {
-    if (this.apis.has(namespace)) {
-      throw new Error(`API namespace already exists: ${namespace}`);
-    }
-
-    this.apis.set(namespace, {schema, script});
-  },
-
-  unregister(namespace) {
-    if (!this.apis.has(namespace)) {
-      throw new Error(`API namespace does not exist: ${namespace}`);
-    }
-
-    this.apis.delete(namespace);
-  },
-};
-
-function getURLForExtension(id, path = "") {
-  let uuid = UUIDMap.get(id, false);
-  if (!uuid) {
-    Cu.reportError(`Called getURLForExtension on unmapped extension ${id}`);
-    return null;
-  }
-  return `moz-extension://${uuid}/${path}`;
-}
-
-// This object manages various platform-level issues related to
-// moz-extension:// URIs. It lives here so that it can be used in both
-// the parent and child processes.
-//
-// moz-extension URIs have the form moz-extension://uuid/path. Each
-// extension has its own UUID, unique to the machine it's installed
-// on. This is easier and more secure than using the extension ID,
-// since it makes it slightly harder to fingerprint for extensions if
-// each user uses different URIs for the extension.
-var Service = {
-  initialized: false,
-
-  // Map[uuid -> extension].
-  // extension can be an Extension (parent process) or BrowserExtensionContent (child process).
-  uuidMap: new Map(),
-
-  init() {
-    let aps = Cc["@mozilla.org/addons/policy-service;1"].getService(Ci.nsIAddonPolicyService);
-    aps = aps.wrappedJSObject;
-    this.aps = aps;
-    aps.setExtensionURILoadCallback(this.extensionURILoadableByAnyone.bind(this));
-    aps.setExtensionURIToAddonIdCallback(this.extensionURIToAddonID.bind(this));
-  },
-
-  // Called when a new extension is loaded.
-  startupExtension(uuid, uri, extension) {
-    if (!this.initialized) {
-      this.initialized = true;
-      this.init();
-    }
-
-    // Create the moz-extension://uuid mapping.
-    let handler = Services.io.getProtocolHandler("moz-extension");
-    handler.QueryInterface(Ci.nsISubstitutingProtocolHandler);
-    handler.setSubstitution(uuid, uri);
-
-    this.uuidMap.set(uuid, extension);
-    this.aps.setAddonHasPermissionCallback(extension.id, extension.hasPermission.bind(extension));
-    this.aps.setAddonLoadURICallback(extension.id, this.checkAddonMayLoad.bind(this, extension));
-    this.aps.setAddonLocalizeCallback(extension.id, extension.localize.bind(extension));
-    this.aps.setAddonCSP(extension.id, extension.manifest.content_security_policy);
-    this.aps.setBackgroundPageUrlCallback(uuid, this.generateBackgroundPageUrl.bind(this, extension));
-  },
-
-  // Called when an extension is unloaded.
-  shutdownExtension(uuid) {
-    let extension = this.uuidMap.get(uuid);
-    this.uuidMap.delete(uuid);
-    this.aps.setAddonHasPermissionCallback(extension.id, null);
-    this.aps.setAddonLoadURICallback(extension.id, null);
-    this.aps.setAddonLocalizeCallback(extension.id, null);
-    this.aps.setAddonCSP(extension.id, null);
-    this.aps.setBackgroundPageUrlCallback(uuid, null);
-
-    let handler = Services.io.getProtocolHandler("moz-extension");
-    handler.QueryInterface(Ci.nsISubstitutingProtocolHandler);
-    handler.setSubstitution(uuid, null);
-  },
-
-  // Return true if the given URI can be loaded from arbitrary web
-  // content. The manifest.json |web_accessible_resources| directive
-  // determines this.
-  extensionURILoadableByAnyone(uri) {
-    let uuid = uri.host;
-    let extension = this.uuidMap.get(uuid);
-    if (!extension || !extension.webAccessibleResources) {
-      return false;
-    }
-
-    let path = uri.QueryInterface(Ci.nsIURL).filePath;
-    if (path.length > 0 && path[0] == "/") {
-      path = path.substr(1);
-    }
-    return extension.webAccessibleResources.matches(path);
-  },
-
-  // Checks whether a given extension can load this URI (typically via
-  // an XML HTTP request). The manifest.json |permissions| directive
-  // determines this.
-  checkAddonMayLoad(extension, uri) {
-    return extension.whiteListedHosts.matchesIgnoringPath(uri);
-  },
-
-  generateBackgroundPageUrl(extension) {
-    let background_scripts = extension.manifest.background &&
-      extension.manifest.background.scripts;
-    if (!background_scripts) {
-      return;
-    }
-    let html = "<!DOCTYPE html>\n<body>\n";
-    for (let script of background_scripts) {
-      script = script.replace(/"/g, "&quot;");
-      html += `<script src="${script}"></script>\n`;
-    }
-    html += "</body>\n</html>\n";
-    return "data:text/html;charset=utf-8," + encodeURIComponent(html);
-  },
-
-  // Finds the add-on ID associated with a given moz-extension:// URI.
-  // This is used to set the addonId on the originAttributes for the
-  // nsIPrincipal attached to the URI.
-  extensionURIToAddonID(uri) {
-    let uuid = uri.host;
-    let extension = this.uuidMap.get(uuid);
-    return extension ? extension.id : undefined;
-  },
-};
-
-// API Levels Helpers
-
-// Find the add-on associated with this document via the
-// principal's originAttributes. This value is computed by
-// extensionURIToAddonID, which ensures that we don't inject our
-// API into webAccessibleResources or remote web pages.
-function getAddonIdForWindow(window) {
-  return Cu.getObjectPrincipal(window).originAttributes.addonId;
-}
-
-const API_LEVELS = Object.freeze({
-  NO_PRIVILEGES: 0,
-  CONTENTSCRIPT_PRIVILEGES: 1,
-  FULL_PRIVILEGES: 2,
-});
-
-// Finds the API Level ("FULL_PRIVILEGES", "CONTENTSCRIPT_PRIVILEGES", "NO_PRIVILEGES")
-// with a given a window object.
-function getAPILevelForWindow(window, addonId) {
-  const {NO_PRIVILEGES, CONTENTSCRIPT_PRIVILEGES, FULL_PRIVILEGES} = API_LEVELS;
-
-  // Non WebExtension URLs and WebExtension URLs from a different extension
-  // has no access to APIs.
-  if (!addonId || getAddonIdForWindow(window) != addonId) {
-    return NO_PRIVILEGES;
-  }
-
-  // Extension pages running in the content process always defaults to
-  // "content script API level privileges".
-  if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
-    return CONTENTSCRIPT_PRIVILEGES;
-  }
-
-  let docShell = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                       .getInterface(Ci.nsIDocShell);
-
-  // Handling of ExtensionPages running inside sub-frames.
-  if (docShell.sameTypeParent) {
-    let parentWindow = docShell.sameTypeParent.QueryInterface(Ci.nsIInterfaceRequestor)
-                               .getInterface(Ci.nsIDOMWindow);
-
-    // The option page iframe embedded in the about:addons tab should have
-    // full API level privileges. (see Bug 1256282 for rationale)
-    let parentDocument = parentWindow.document;
-    let parentIsSystemPrincipal = Services.scriptSecurityManager
-                                          .isSystemPrincipal(parentDocument.nodePrincipal);
-    if (parentDocument.location.href == "about:addons" && parentIsSystemPrincipal) {
-      return FULL_PRIVILEGES;
-    }
-
-    // The addon iframes embedded in a addon page from with the same addonId
-    // should have the same privileges of the sameTypeParent.
-    // (see Bug 1258347 for rationale)
-    let parentSameAddonPrivileges = getAPILevelForWindow(parentWindow, addonId);
-    if (parentSameAddonPrivileges > NO_PRIVILEGES) {
-      return parentSameAddonPrivileges;
-    }
-
-    // In all the other cases, WebExtension URLs loaded into sub-frame UI
-    // will have "content script API level privileges".
-    // (see Bug 1214658 for rationale)
-    return CONTENTSCRIPT_PRIVILEGES;
-  }
-
-  // WebExtension URLs loaded into top frames UI could have full API level privileges.
-  return FULL_PRIVILEGES;
-}
-
-this.ExtensionManagement = {
-  startupExtension: Service.startupExtension.bind(Service),
-  shutdownExtension: Service.shutdownExtension.bind(Service),
-
-  registerAPI: APIs.register.bind(APIs),
-  unregisterAPI: APIs.unregister.bind(APIs),
-
-  getFrameId: Frames.getId.bind(Frames),
-  getParentFrameId: Frames.getParentId.bind(Frames),
-
-  getURLForExtension,
-
-  // exported API Level Helpers
-  getAddonIdForWindow,
-  getAPILevelForWindow,
-  API_LEVELS,
-
-  APIs,
-};