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/**
* Request Sanitizer
* Belongs to Decentraleyes.
*
* @author Thomas Rientjes
* @since 2018-01-10
* @license MPL 2.0
*
* 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';
/**
* Request Sanitizer
*/
var requestSanitizer = {};
/**
* Public Methods
*/
requestSanitizer.enable = function () {
let onBeforeSendHeaders = chrome.webRequest.onBeforeSendHeaders;
onBeforeSendHeaders.addListener(requestSanitizer._stripMetadata, {
'urls': stateManager.validHosts
}, [WebRequest.BLOCKING, WebRequest.HEADERS]);
};
requestSanitizer.disable = function () {
let onBeforeSendHeaders = chrome.webRequest.onBeforeSendHeaders;
onBeforeSendHeaders.removeListener(requestSanitizer._stripMetadata, {
'urls': stateManager.validHosts
}, [WebRequest.BLOCKING, WebRequest.HEADERS]);
};
/**
* Private Methods
*/
requestSanitizer._stripMetadata = function (requestDetails) {
for (let i = 0; i < requestDetails.requestHeaders.length; ++i) {
if (requestDetails.requestHeaders[i].name === WebRequest.ORIGIN_HEADER) {
requestDetails.requestHeaders.splice(i--, 1);
} else if (requestDetails.requestHeaders[i].name === WebRequest.REFERER_HEADER) {
requestDetails.requestHeaders.splice(i--, 1);
}
}
return {
'requestHeaders': requestDetails.requestHeaders
};
};