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/* 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";
var PermissionsHelper = {
_permissonTypes: ["password", "geolocation", "popup", "indexedDB",
"offline-app", "desktop-notification", "plugins", "native-intent",
"flyweb-publish-server"],
_permissionStrings: {
"password": {
label: "password.logins",
allowed: "password.save",
denied: "password.dontSave"
},
"geolocation": {
label: "geolocation.location",
allowed: "geolocation.allow",
denied: "geolocation.dontAllow"
},
"flyweb-publish-server": {
label: "flyWebPublishServer.publishServer",
allowed: "flyWebPublishServer.allow",
denied: "flyWebPublishServer.dontAllow"
},
"popup": {
label: "blockPopups.label2",
allowed: "popup.show",
denied: "popup.dontShow"
},
"indexedDB": {
label: "offlineApps.offlineData",
allowed: "offlineApps.allow",
denied: "offlineApps.dontAllow2"
},
"offline-app": {
label: "offlineApps.offlineData",
allowed: "offlineApps.allow",
denied: "offlineApps.dontAllow2"
},
"desktop-notification": {
label: "desktopNotification.notifications",
allowed: "desktopNotification2.allow",
denied: "desktopNotification2.dontAllow"
},
"plugins": {
label: "clickToPlayPlugins.plugins",
allowed: "clickToPlayPlugins.activate",
denied: "clickToPlayPlugins.dontActivate"
},
"native-intent": {
label: "helperapps.openWithList2",
allowed: "helperapps.always",
denied: "helperapps.never"
}
},
observe: function observe(aSubject, aTopic, aData) {
let uri = BrowserApp.selectedBrowser.currentURI;
let check = false;
switch (aTopic) {
case "Permissions:Check":
check = true;
case "Permissions:Get":
let permissions = [];
for (let i = 0; i < this._permissonTypes.length; i++) {
let type = this._permissonTypes[i];
let value = this.getPermission(uri, type);
// Only add the permission if it was set by the user
if (value == Services.perms.UNKNOWN_ACTION)
continue;
if (check) {
Messaging.sendRequest({
type: "Permissions:CheckResult",
hasPermissions: true
});
return;
}
// Get the strings that correspond to the permission type
let typeStrings = this._permissionStrings[type];
let label = Strings.browser.GetStringFromName(typeStrings["label"]);
// Get the key to look up the appropriate string entity
let valueKey = value == Services.perms.ALLOW_ACTION ?
"allowed" : "denied";
let valueString = Strings.browser.GetStringFromName(typeStrings[valueKey]);
permissions.push({
type: type,
setting: label,
value: valueString
});
}
if (check) {
Messaging.sendRequest({
type: "Permissions:CheckResult",
hasPermissions: false
});
return;
}
// Keep track of permissions, so we know which ones to clear
this._currentPermissions = permissions;
Messaging.sendRequest({
type: "Permissions:Data",
permissions: permissions
});
break;
case "Permissions:Clear":
// An array of the indices of the permissions we want to clear
let permissionsToClear = JSON.parse(aData);
let privacyContext = BrowserApp.selectedBrowser.docShell
.QueryInterface(Ci.nsILoadContext);
for (let i = 0; i < permissionsToClear.length; i++) {
let indexToClear = permissionsToClear[i];
let permissionType = this._currentPermissions[indexToClear]["type"];
this.clearPermission(uri, permissionType, privacyContext);
}
break;
}
},
/**
* Gets the permission value stored for a specified permission type.
*
* @param aType
* The permission type string stored in permission manager.
* e.g. "geolocation", "indexedDB", "popup"
*
* @return A permission value defined in nsIPermissionManager.
*/
getPermission: function getPermission(aURI, aType) {
// Password saving isn't a nsIPermissionManager permission type, so handle
// it seperately.
if (aType == "password") {
// By default, login saving is enabled, so if it is disabled, the
// user selected the never remember option
if (!Services.logins.getLoginSavingEnabled(aURI.prePath))
return Services.perms.DENY_ACTION;
// Check to see if the user ever actually saved a login
if (Services.logins.countLogins(aURI.prePath, "", ""))
return Services.perms.ALLOW_ACTION;
return Services.perms.UNKNOWN_ACTION;
}
// Geolocation consumers use testExactPermission
if (aType == "geolocation")
return Services.perms.testExactPermission(aURI, aType);
return Services.perms.testPermission(aURI, aType);
},
/**
* Clears a user-set permission value for the site given a permission type.
*
* @param aType
* The permission type string stored in permission manager.
* e.g. "geolocation", "indexedDB", "popup"
*/
clearPermission: function clearPermission(aURI, aType, aContext) {
// Password saving isn't a nsIPermissionManager permission type, so handle
// it seperately.
if (aType == "password") {
// Get rid of exisiting stored logings
let logins = Services.logins.findLogins({}, aURI.prePath, "", "");
for (let i = 0; i < logins.length; i++) {
Services.logins.removeLogin(logins[i]);
}
// Re-set login saving to enabled
Services.logins.setLoginSavingEnabled(aURI.prePath, true);
} else {
Services.perms.remove(aURI, aType);
// Clear content prefs set in ContentPermissionPrompt.js
Cc["@mozilla.org/content-pref/service;1"]
.getService(Ci.nsIContentPrefService2)
.removeByDomainAndName(aURI.spec, aType + ".request.remember", aContext);
}
}
};
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