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a312732ab6
MozReview-Commit-ID: DI52QqsS3BE --HG-- extra : rebase_source : b637dd7ac8d802197c7b6629e1c16ea597971810
593 lines
18 KiB
JavaScript
593 lines
18 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"PermissionUI",
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];
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/**
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* PermissionUI is responsible for exposing both a prototype
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* PermissionPrompt that can be used by arbitrary browser
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* components and add-ons, but also hosts the implementations of
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* built-in permission prompts.
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*
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* If you're developing a feature that requires web content to ask
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* for special permissions from the user, this module is for you.
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*
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* Suppose a system add-on wants to add a new prompt for a new request
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* for getting more low-level access to the user's sound card, and the
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* permission request is coming up from content by way of the
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* nsContentPermissionHelper. The system add-on could then do the following:
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*
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* Cu.import("resource://gre/modules/Integration.jsm");
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* Cu.import("resource:///modules/PermissionUI.jsm");
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*
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* const SoundCardIntegration = (base) => ({
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* __proto__: base,
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* createPermissionPrompt(type, request) {
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* if (type != "sound-api") {
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* return super.createPermissionPrompt(...arguments);
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* }
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*
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* return {
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* __proto__: PermissionUI.PermissionPromptForRequestPrototype,
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* get permissionKey() {
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* return "sound-permission";
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* }
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* // etc - see the documentation for PermissionPrompt for
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* // a better idea of what things one can and should override.
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* }
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* },
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* });
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*
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* // Add-on startup:
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* Integration.contentPermission.register(SoundCardIntegration);
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* // ...
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* // Add-on shutdown:
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* Integration.contentPermission.unregister(SoundCardIntegration);
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*
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* Note that PermissionPromptForRequestPrototype must be used as the
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* prototype, since the prompt is wrapping an nsIContentPermissionRequest,
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* and going through nsIContentPermissionPrompt.
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*
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* It is, however, possible to take advantage of PermissionPrompt without
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* having to go through nsIContentPermissionPrompt or with a
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* nsIContentPermissionRequest. The PermissionPromptPrototype can be
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* imported, subclassed, and have prompt() called directly, without
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* the caller having called into createPermissionPrompt.
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*/
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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"resource://gre/modules/PrivateBrowsingUtils.jsm");
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XPCOMUtils.defineLazyGetter(this, "gBrandBundle", function() {
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return Services.strings
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.createBundle('chrome://branding/locale/brand.properties');
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});
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XPCOMUtils.defineLazyGetter(this, "gBrowserBundle", function() {
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return Services.strings
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.createBundle('chrome://browser/locale/browser.properties');
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});
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this.PermissionUI = {};
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/**
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* PermissionPromptPrototype should be subclassed by callers that
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* want to display prompts to the user. See each method and property
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* below for guidance on what to override.
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*
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* Note that if you're creating a prompt for an
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* nsIContentPermissionRequest, you'll want to subclass
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* PermissionPromptForRequestPrototype instead.
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*/
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this.PermissionPromptPrototype = {
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/**
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* Returns the associated <xul:browser> for the request. This should
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* work for the e10s and non-e10s case.
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*
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* Subclasses must override this.
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*
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* @return {<xul:browser>}
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*/
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get browser() {
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throw new Error("Not implemented.");
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},
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/**
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* Returns the nsIPrincipal associated with the request.
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*
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* Subclasses must override this.
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*
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* @return {nsIPrincipal}
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*/
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get principal() {
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throw new Error("Not implemented.");
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},
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/**
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* If the nsIPermissionManager is being queried and written
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* to for this permission request, set this to the key to be
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* used. If this is undefined, user permissions will not be
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* read from or written to.
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*
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* Note that if a permission is set, in any follow-up
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* prompting within the expiry window of that permission,
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* the prompt will be skipped and the allow or deny choice
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* will be selected automatically.
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*/
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get permissionKey() {
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return undefined;
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},
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/**
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* These are the options that will be passed to the
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* PopupNotification when it is shown. See the documentation
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* for PopupNotification for more details.
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*
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* Note that prompt() will automatically set displayURI to
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* be the URI of the requesting pricipal, unless the displayURI is exactly
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* set to false.
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*/
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get popupOptions() {
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return {};
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},
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/**
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* PopupNotification requires a unique ID to open the notification.
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* You must return a unique ID string here, for which PopupNotification
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* will then create a <xul:popupnotification> node with the ID
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* "<notificationID>-notification".
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*
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* If there's a custom <xul:popupnotification> you're hoping to show,
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* then you need to make sure its ID has the "-notification" suffix,
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* and then return the prefix here.
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*
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* See PopupNotification.jsm for more details.
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*
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* @return {string}
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* The unique ID that will be used to as the
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* "<unique ID>-notification" ID for the <xul:popupnotification>
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* to use or create.
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*/
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get notificationID() {
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throw new Error("Not implemented.");
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},
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/**
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* The ID of the element to anchor the PopupNotification to.
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*
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* @return {string}
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*/
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get anchorID() {
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return "default-notification-icon";
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},
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/**
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* The message to show the user in the PopupNotification. This
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* is usually a string describing the permission that is being
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* requested.
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*
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* Subclasses must override this.
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*
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* @return {string}
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*/
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get message() {
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throw new Error("Not implemented.");
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},
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/**
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* This will be called if the request is to be cancelled.
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*
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* Subclasses only need to override this if they provide a
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* permissionKey.
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*/
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cancel() {
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throw new Error("Not implemented.")
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},
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/**
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* This will be called if the request is to be allowed.
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*
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* Subclasses only need to override this if they provide a
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* permissionKey.
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*/
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allow() {
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throw new Error("Not implemented.");
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},
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/**
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* The actions that will be displayed in the PopupNotification
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* via a dropdown menu. The first item in this array will be
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* the default selection. Each action is an Object with the
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* following properties:
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*
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* label (string):
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* The label that will be displayed for this choice.
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* accessKey (string):
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* The access key character that will be used for this choice.
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* action (Ci.nsIPermissionManager action, optional)
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* The nsIPermissionManager action that will be associated with
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* this choice. For example, Ci.nsIPermissionManager.DENY_ACTION.
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*
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* If omitted, the nsIPermissionManager will not be written to
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* when this choice is chosen.
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* expireType (Ci.nsIPermissionManager expiration policy, optional)
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* The nsIPermissionManager expiration policy that will be associated
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* with this choice. For example, Ci.nsIPermissionManager.EXPIRE_SESSION.
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*
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* If action is not set, expireType will be ignored.
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* callback (function, optional)
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* A callback function that will fire if the user makes this choice.
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*/
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get promptActions() {
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return [];
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},
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/**
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* If the prompt will be shown to the user, this callback will
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* be called just before. Subclasses may want to override this
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* in order to, for example, bump a counter Telemetry probe for
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* how often a particular permission request is seen.
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*/
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onBeforeShow() {},
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/**
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* Will determine if a prompt should be shown to the user, and if so,
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* will show it.
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*
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* If a permissionKey is defined prompt() might automatically
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* allow or cancel itself based on the user's current
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* permission settings without displaying the prompt.
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*
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* If the <xul:browser> that the request is associated with
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* does not belong to a browser window with the PopupNotifications
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* global set, the prompt request is ignored.
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*/
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prompt() {
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let chromeWin = this.browser.ownerGlobal;
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if (!chromeWin.PopupNotifications) {
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return;
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}
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// We ignore requests from non-nsIStandardURLs
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let requestingURI = this.principal.URI;
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if (!(requestingURI instanceof Ci.nsIStandardURL)) {
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return;
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}
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if (this.permissionKey) {
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// If we're reading and setting permissions, then we need
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// to check to see if we already have a permission setting
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// for this particular principal.
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let result =
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Services.perms.testExactPermissionFromPrincipal(this.principal,
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this.permissionKey);
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if (result == Ci.nsIPermissionManager.DENY_ACTION) {
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this.cancel();
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return;
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}
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if (result == Ci.nsIPermissionManager.ALLOW_ACTION) {
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this.allow();
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return;
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}
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}
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// Transform the PermissionPrompt actions into PopupNotification actions.
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let popupNotificationActions = [];
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for (let promptAction of this.promptActions) {
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// Don't offer action in PB mode if the action remembers permission
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// for more than a session.
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if (PrivateBrowsingUtils.isWindowPrivate(chromeWin) &&
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promptAction.expireType != Ci.nsIPermissionManager.EXPIRE_SESSION &&
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promptAction.action) {
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continue;
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}
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let action = {
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label: promptAction.label,
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accessKey: promptAction.accessKey,
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callback: () => {
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if (promptAction.callback) {
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promptAction.callback();
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}
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if (this.permissionKey) {
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// Remember permissions.
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if (promptAction.action) {
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Services.perms.addFromPrincipal(this.principal,
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this.permissionKey,
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promptAction.action,
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promptAction.expireType);
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}
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// Grant permission if action is null or ALLOW_ACTION.
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if (!promptAction.action ||
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promptAction.action == Ci.nsIPermissionManager.ALLOW_ACTION) {
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this.allow();
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} else {
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this.cancel();
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}
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}
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},
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};
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popupNotificationActions.push(action);
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}
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let mainAction = popupNotificationActions.length ?
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popupNotificationActions[0] : null;
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let secondaryActions = popupNotificationActions.splice(1);
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let options = this.popupOptions;
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if (!options.hasOwnProperty('displayURI') || options.displayURI) {
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options.displayURI = this.principal.URI;
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}
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this.onBeforeShow();
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chromeWin.PopupNotifications.show(this.browser,
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this.notificationID,
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this.message,
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this.anchorID,
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mainAction,
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secondaryActions,
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options);
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},
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};
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PermissionUI.PermissionPromptPrototype = PermissionPromptPrototype;
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/**
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* A subclass of PermissionPromptPrototype that assumes
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* that this.request is an nsIContentPermissionRequest
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* and fills in some of the required properties on the
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* PermissionPrompt. For callers that are wrapping an
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* nsIContentPermissionRequest, this should be subclassed
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* rather than PermissionPromptPrototype.
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*/
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this.PermissionPromptForRequestPrototype = {
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__proto__: PermissionPromptPrototype,
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get browser() {
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// In the e10s-case, the <xul:browser> will be at request.element.
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// In the single-process case, we have to use some XPCOM incantations
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// to resolve to the <xul:browser>.
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if (this.request.element) {
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return this.request.element;
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}
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return this.request
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.window
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.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebNavigation)
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.QueryInterface(Ci.nsIDocShell)
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.chromeEventHandler;
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},
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get principal() {
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return this.request.principal;
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},
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cancel() {
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this.request.cancel();
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},
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allow() {
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this.request.allow();
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},
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};
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PermissionUI.PermissionPromptForRequestPrototype =
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PermissionPromptForRequestPrototype;
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/**
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* Creates a PermissionPrompt for a nsIContentPermissionRequest for
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* the GeoLocation API.
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*
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* @param request (nsIContentPermissionRequest)
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* The request for a permission from content.
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*/
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function GeolocationPermissionPrompt(request) {
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this.request = request;
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}
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GeolocationPermissionPrompt.prototype = {
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__proto__: PermissionPromptForRequestPrototype,
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get permissionKey() {
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return "geo";
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},
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get popupOptions() {
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let pref = "browser.geolocation.warning.infoURL";
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return {
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learnMoreURL: Services.urlFormatter.formatURLPref(pref),
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};
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},
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get notificationID() {
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return "geolocation";
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},
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get anchorID() {
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return "geo-notification-icon";
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},
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get message() {
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let message;
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if (this.principal.URI.schemeIs("file")) {
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message = gBrowserBundle.GetStringFromName("geolocation.shareWithFile2");
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} else {
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message = gBrowserBundle.GetStringFromName("geolocation.shareWithSite2");
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}
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return message;
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},
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get promptActions() {
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// We collect Telemetry data on Geolocation prompts and how users
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// respond to them. The probe keys are a bit verbose, so let's alias them.
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const SHARE_LOCATION =
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Ci.nsISecurityUITelemetry.WARNING_GEOLOCATION_REQUEST_SHARE_LOCATION;
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const ALWAYS_SHARE =
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Ci.nsISecurityUITelemetry.WARNING_GEOLOCATION_REQUEST_ALWAYS_SHARE;
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const NEVER_SHARE =
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Ci.nsISecurityUITelemetry.WARNING_GEOLOCATION_REQUEST_NEVER_SHARE;
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let secHistogram = Services.telemetry.getHistogramById("SECURITY_UI");
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let actions = [{
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label: gBrowserBundle.GetStringFromName("geolocation.shareLocation"),
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accessKey:
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gBrowserBundle.GetStringFromName("geolocation.shareLocation.accesskey"),
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action: null,
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expireType: null,
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callback: function() {
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secHistogram.add(SHARE_LOCATION);
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},
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}];
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if (!this.principal.URI.schemeIs("file")) {
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// Always share location action.
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actions.push({
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label: gBrowserBundle.GetStringFromName("geolocation.alwaysShareLocation"),
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accessKey:
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gBrowserBundle.GetStringFromName("geolocation.alwaysShareLocation.accesskey"),
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action: Ci.nsIPermissionManager.ALLOW_ACTION,
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expireType: null,
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callback: function() {
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secHistogram.add(ALWAYS_SHARE);
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},
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});
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// Never share location action.
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actions.push({
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label: gBrowserBundle.GetStringFromName("geolocation.neverShareLocation"),
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accessKey:
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gBrowserBundle.GetStringFromName("geolocation.neverShareLocation.accesskey"),
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action: Ci.nsIPermissionManager.DENY_ACTION,
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expireType: null,
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callback: function() {
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secHistogram.add(NEVER_SHARE);
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},
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});
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}
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return actions;
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},
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onBeforeShow() {
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let secHistogram = Services.telemetry.getHistogramById("SECURITY_UI");
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const SHOW_REQUEST = Ci.nsISecurityUITelemetry.WARNING_GEOLOCATION_REQUEST;
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secHistogram.add(SHOW_REQUEST);
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},
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};
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PermissionUI.GeolocationPermissionPrompt = GeolocationPermissionPrompt;
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/**
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* Creates a PermissionPrompt for a nsIContentPermissionRequest for
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* the Desktop Notification API.
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*
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* @param request (nsIContentPermissionRequest)
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* The request for a permission from content.
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* @return {PermissionPrompt} (see documentation in header)
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*/
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function DesktopNotificationPermissionPrompt(request) {
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this.request = request;
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}
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DesktopNotificationPermissionPrompt.prototype = {
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__proto__: PermissionPromptForRequestPrototype,
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get permissionKey() {
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return "desktop-notification";
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},
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get popupOptions() {
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let learnMoreURL =
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Services.urlFormatter.formatURLPref("app.support.baseURL") + "push";
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// The eventCallback is bound to the Notification that's being
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// shown. We'll stash a reference to this in the closure so that
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// the request can be cancelled.
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let prompt = this;
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let eventCallback = function(type) {
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if (type == "dismissed") {
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// Bug 1259148: Hide the doorhanger icon. Unlike other permission
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// doorhangers, the user can't restore the doorhanger using the icon
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// in the location bar. Instead, the site will be notified that the
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// doorhanger was dismissed.
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this.remove();
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prompt.request.cancel();
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}
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};
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return {
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learnMoreURL,
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eventCallback,
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};
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},
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get notificationID() {
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return "web-notifications";
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},
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get anchorID() {
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return "web-notifications-notification-icon";
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},
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get message() {
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return gBrowserBundle.GetStringFromName("webNotifications.receiveFromSite");
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},
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get promptActions() {
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let promptActions;
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// Only show "allow for session" in PB mode, we don't
|
|
// support "allow for session" in non-PB mode.
|
|
if (PrivateBrowsingUtils.isBrowserPrivate(this.browser)) {
|
|
promptActions = [
|
|
{
|
|
label: gBrowserBundle.GetStringFromName("webNotifications.receiveForSession"),
|
|
accessKey:
|
|
gBrowserBundle.GetStringFromName("webNotifications.receiveForSession.accesskey"),
|
|
action: Ci.nsIPermissionManager.ALLOW_ACTION,
|
|
expireType: Ci.nsIPermissionManager.EXPIRE_SESSION,
|
|
}
|
|
];
|
|
} else {
|
|
promptActions = [
|
|
{
|
|
label: gBrowserBundle.GetStringFromName("webNotifications.alwaysReceive"),
|
|
accessKey:
|
|
gBrowserBundle.GetStringFromName("webNotifications.alwaysReceive.accesskey"),
|
|
action: Ci.nsIPermissionManager.ALLOW_ACTION,
|
|
expireType: null,
|
|
},
|
|
{
|
|
label: gBrowserBundle.GetStringFromName("webNotifications.neverShow"),
|
|
accessKey:
|
|
gBrowserBundle.GetStringFromName("webNotifications.neverShow.accesskey"),
|
|
action: Ci.nsIPermissionManager.DENY_ACTION,
|
|
expireType: null,
|
|
},
|
|
];
|
|
}
|
|
|
|
return promptActions;
|
|
},
|
|
};
|
|
|
|
PermissionUI.DesktopNotificationPermissionPrompt =
|
|
DesktopNotificationPermissionPrompt;
|