console.log("PROBLEMATIC REQUESTS"); let memory = {}; function gethost(url) { return new URL(request.url).host; } function getshorthost(host) { console.log("getshort", host); return host.split(".").slice(-2).join("."); } // const isThirdParty = (arg) => arg.urlClassification.thirdParty.length > 0; async function isThirdParty(request) { const request_url = new URL(request.url); const origin_url = new URL(await getOrigin(request)); /* console.log(request_url.ho, origin_url, request_url.includes(origin_url)); */ console.log( request_url.host, origin_url.host, request_url.host.includes(origin_url.host) ); if (request_url.host.includes(origin_url.host)) { return false; } if (getshorthost(request_url.host) == getshorthost(origin_url.host)) { return false; } return ( request_url.origin != origin_url.origin || request.urlClassification.thirdParty.length > 0 ); } const hasCookie = (arg) => arg.requestHeaders.some((h) => h.name === "Cookie"); const hasReferer = (arg) => arg.requestHeaders.some((h) => h.name === "Referer"); const getReferer = (arg) => arg.requestHeaders.filter((h) => h.name === "Referer")[0].value; const getOrigin = async (arg) => { let url; if (arg.tabId && arg.tabId >= 0) { const tab = await browser.tabs.get(arg.tabId); url = tab.url; } else { url = arg.frameAncestors[0].url; } return url; }; const exposesOrigin = async (arg) => { return getReferer(arg).includes(new URL(await getOrigin(arg)).host); }; browser.webRequest.onBeforeSendHeaders.addListener( async (request) => { if ( (await isThirdParty(request)) && hasReferer(request) && (await exposesOrigin(request)) ) { const has_cookie = hasCookie(request); if (!memory[request.tabId]) { memory[request.tabId] = {}; } const shorthost = getshorthost(new URL(request.url).host); if (!memory[request.tabId][shorthost]) { memory[request.tabId][shorthost] = []; } memory[request.tabId][shorthost].push({ url: request.url, has_cookie, cookie: request.requestHeaders.find((h) => h.name == "Cookie")?.value, }); } }, { urls: [""] }, ["requestHeaders"] ); chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) { if (sender.tab) { return; } console.log("got message!", request); if (request?.msg === "get_memory") { sendResponse(memory); } else if (request?.msg === "clear_memory") { console.log("memory cleared"); memory = {}; } });