website-page-frame
Version:
This library provides a way to allow browser based programs to have cross parent to child window communication through code.
59 lines (38 loc) • 2.37 kB
JavaScript
/*
* This library provides an alternative in app browser to webview by removing specific restrictions placed upon iframe and more.
* Copyright (C) 2019 Ryan Molyneux
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
var ResponseModificationChainLink = require("./ResponseModificationChainLink.js").ResponseModificationChainLink;
var Response = require("../network-messages/Response.js").Response;
function AddFileSchemaToFrameAnscestorsChainLink() {
ResponseModificationChainLink.call(this);
}
AddFileSchemaToFrameAnscestorsChainLink.prototype = Object.create(ResponseModificationChainLink.prototype);
AddFileSchemaToFrameAnscestorsChainLink.prototype.constructor = AddFileSchemaToFrameAnscestorsChainLink;
AddFileSchemaToFrameAnscestorsChainLink.prototype.preformTask = function(response, cache) {
if ( response instanceof Response ) {
var contentSecurityPolicy = response.getHeaderMap().get("content-security-policy");
if ( contentSecurityPolicy !== undefined && contentSecurityPolicy.includes("frame-ancestors") ) {
var contentSecurityPolicySplit = contentSecurityPolicy.split("frame-ancestors");
response.getHeaderMap().set("content-security-policy", contentSecurityPolicySplit[0]
+ "frame-ancestors file://* "
+ contentSecurityPolicySplit[1] );
}
} else {
throw new TypeError("AddFileSchemaToFrameAnscestorsChainLink preformTask, parameter response expected to be instanceof Response.");
}
};
exports.AddFileSchemaToFrameAnscestorsChainLink = AddFileSchemaToFrameAnscestorsChainLink;