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91 lines
3.0 KiB
JavaScript
91 lines
3.0 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* static functions */
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let DEBUG = 0;
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let debug;
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if (DEBUG) {
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debug = function (s) { dump("-*- PermissionPromptService: " + s + "\n"); };
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}
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else {
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debug = function (s) {};
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}
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/PermissionsInstaller.jsm");
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const PERMISSIONPROMPTSERVICE_CONTRACTID = "@mozilla.org/permission-prompt-service;1";
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const PERMISSIONPROMPTSERVICE_CID = Components.ID("{e5f953b3-a6ca-444e-a88d-cdc81383741c}");
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const permissionPromptService = Ci.nsIPermissionPromptService;
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XPCOMUtils.defineLazyServiceGetter(this,
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"PermSettings",
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"@mozilla.org/permissionSettings;1",
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"nsIDOMPermissionSettings");
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var permissionManager = Cc["@mozilla.org/permissionmanager;1"].getService(Ci.nsIPermissionManager);
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var secMan = Cc["@mozilla.org/scriptsecuritymanager;1"].getService(Ci.nsIScriptSecurityManager);
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function makePrompt()
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{
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return Cc["@mozilla.org/content-permission/prompt;1"].createInstance(Ci.nsIContentPermissionPrompt);
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}
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function PermissionPromptService()
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{
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debug("Constructor");
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}
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PermissionPromptService.prototype = {
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classID : PERMISSIONPROMPTSERVICE_CID,
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QueryInterface : XPCOMUtils.generateQI([permissionPromptService, Ci.nsIObserver]),
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classInfo : XPCOMUtils.generateCI({classID: PERMISSIONPROMPTSERVICE_CID,
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contractID: PERMISSIONPROMPTSERVICE_CONTRACTID,
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classDescription: "PermissionPromptService",
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interfaces: [permissionPromptService]
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}),
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/**
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* getPermission
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* Ask for permission for an API, device, etc.
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* @param nsIContentPermissionRequest aRequest
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* @returns void
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**/
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getPermission: function PS_getPermission(aRequest)
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{
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if (!(aRequest instanceof Ci.nsIContentPermissionRequest)) {
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throw new Error("PermissionService.getPermission: "
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+ "2nd argument must be type 'nsIContentPermissionRequest'");
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}
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let perm =
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permissionManager.testExactPermissionFromPrincipal(aRequest.principal,
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aRequest.type);
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switch (perm) {
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case Ci.nsIPermissionManager.ALLOW_ACTION:
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aRequest.allow();
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break;
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case Ci.nsIPermissionManager.PROMPT_ACTION:
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makePrompt().prompt(aRequest);
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break;
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case Ci.nsIPermissionManager.DENY_ACTION:
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case Ci.nsIPermissionManager.UNKNOWN_ACTION:
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default:
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aRequest.cancel();
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break;
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}
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},
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PermissionPromptService]);
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