1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/permission/PermissionSettings.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,135 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +"use strict";
1.9 +
1.10 +function debug(aMsg) {
1.11 + //dump("-*- PermissionSettings.js: " + aMsg + "\n");
1.12 +}
1.13 +
1.14 +const Cc = Components.classes;
1.15 +const Ci = Components.interfaces;
1.16 +const Cu = Components.utils;
1.17 +
1.18 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.19 +Cu.import("resource://gre/modules/Services.jsm");
1.20 +Cu.import("resource://gre/modules/PermissionsTable.jsm");
1.21 +
1.22 +var cpm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
1.23 +
1.24 +// PermissionSettings
1.25 +
1.26 +const PERMISSIONSETTINGS_CONTRACTID = "@mozilla.org/permissionSettings;1";
1.27 +const PERMISSIONSETTINGS_CID = Components.ID("{cd2cf7a1-f4c1-487b-8c1b-1a71c7097431}");
1.28 +
1.29 +function PermissionSettings()
1.30 +{
1.31 + debug("Constructor");
1.32 +}
1.33 +
1.34 +XPCOMUtils.defineLazyServiceGetter(this,
1.35 + "permissionManager",
1.36 + "@mozilla.org/permissionmanager;1",
1.37 + "nsIPermissionManager");
1.38 +
1.39 +XPCOMUtils.defineLazyServiceGetter(this,
1.40 + "secMan",
1.41 + "@mozilla.org/scriptsecuritymanager;1",
1.42 + "nsIScriptSecurityManager");
1.43 +
1.44 +XPCOMUtils.defineLazyServiceGetter(this,
1.45 + "appsService",
1.46 + "@mozilla.org/AppsService;1",
1.47 + "nsIAppsService");
1.48 +
1.49 +PermissionSettings.prototype = {
1.50 + get: function get(aPermName, aManifestURL, aOrigin, aBrowserFlag) {
1.51 + debug("Get called with: " + aPermName + ", " + aManifestURL + ", " + aOrigin + ", " + aBrowserFlag);
1.52 + let uri = Services.io.newURI(aOrigin, null, null);
1.53 + let appID = appsService.getAppLocalIdByManifestURL(aManifestURL);
1.54 + let principal = secMan.getAppCodebasePrincipal(uri, appID, aBrowserFlag);
1.55 + let result = permissionManager.testExactPermanentPermission(principal, aPermName);
1.56 +
1.57 + switch (result)
1.58 + {
1.59 + case Ci.nsIPermissionManager.UNKNOWN_ACTION:
1.60 + return "unknown";
1.61 + case Ci.nsIPermissionManager.ALLOW_ACTION:
1.62 + return "allow";
1.63 + case Ci.nsIPermissionManager.DENY_ACTION:
1.64 + return "deny";
1.65 + case Ci.nsIPermissionManager.PROMPT_ACTION:
1.66 + return "prompt";
1.67 + default:
1.68 + dump("Unsupported PermissionSettings Action!\n");
1.69 + return "unknown";
1.70 + }
1.71 + },
1.72 +
1.73 + isExplicit: function isExplicit(aPermName, aManifestURL, aOrigin,
1.74 + aBrowserFlag) {
1.75 + debug("isExplicit: " + aPermName + ", " + aManifestURL + ", " + aOrigin);
1.76 + let uri = Services.io.newURI(aOrigin, null, null);
1.77 + let appID = appsService.getAppLocalIdByManifestURL(aManifestURL);
1.78 + let principal = secMan.getAppCodebasePrincipal(uri, appID, aBrowserFlag);
1.79 +
1.80 + return isExplicitInPermissionsTable(aPermName, principal.appStatus);
1.81 + },
1.82 +
1.83 + set: function set(aPermName, aPermValue, aManifestURL, aOrigin,
1.84 + aBrowserFlag) {
1.85 + debug("Set called with: " + aPermName + ", " + aManifestURL + ", " +
1.86 + aOrigin + ", " + aPermValue + ", " + aBrowserFlag);
1.87 + let currentPermValue = this.get(aPermName, aManifestURL, aOrigin,
1.88 + aBrowserFlag);
1.89 + let action;
1.90 + // Check for invalid calls so that we throw an exception rather than get
1.91 + // killed by parent process
1.92 + if (currentPermValue === "unknown" ||
1.93 + aPermValue === "unknown" ||
1.94 + !this.isExplicit(aPermName, aManifestURL, aOrigin, aBrowserFlag)) {
1.95 + let errorMsg = "PermissionSettings.js: '" + aPermName + "'" +
1.96 + " is an implicit permission for '" + aManifestURL +
1.97 + "' or the permission isn't set";
1.98 + Cu.reportError(errorMsg);
1.99 + throw new Components.Exception(errorMsg);
1.100 + }
1.101 +
1.102 + cpm.sendSyncMessage("PermissionSettings:AddPermission", {
1.103 + type: aPermName,
1.104 + origin: aOrigin,
1.105 + manifestURL: aManifestURL,
1.106 + value: aPermValue,
1.107 + browserFlag: aBrowserFlag
1.108 + });
1.109 + },
1.110 +
1.111 + remove: function remove(aPermName, aManifestURL, aOrigin) {
1.112 + let uri = Services.io.newURI(aOrigin, null, null);
1.113 + let appID = appsService.getAppLocalIdByManifestURL(aManifestURL);
1.114 + let principal = secMan.getAppCodebasePrincipal(uri, appID, true);
1.115 +
1.116 + if (principal.appStatus !== Ci.nsIPrincipal.APP_STATUS_NOT_INSTALLED) {
1.117 + let errorMsg = "PermissionSettings.js: '" + aOrigin + "'" +
1.118 + " is installed or permission is implicit, cannot remove '" +
1.119 + aPermName + "'.";
1.120 + Cu.reportError(errorMsg);
1.121 + throw new Components.Exception(errorMsg);
1.122 + }
1.123 +
1.124 + // PermissionSettings.jsm handles delete when value is "unknown"
1.125 + cpm.sendSyncMessage("PermissionSettings:AddPermission", {
1.126 + type: aPermName,
1.127 + origin: aOrigin,
1.128 + manifestURL: aManifestURL,
1.129 + value: "unknown",
1.130 + browserFlag: true
1.131 + });
1.132 + },
1.133 +
1.134 + classID : PERMISSIONSETTINGS_CID,
1.135 + QueryInterface : XPCOMUtils.generateQI([])
1.136 +}
1.137 +
1.138 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PermissionSettings])
