91 lines
2.6 KiB
TypeScript
91 lines
2.6 KiB
TypeScript
import ExtendedRequest from "./extended-request";
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import { getshorthost, makeThrottle } from "./util";
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import { EventEmitter } from "events";
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import { RequestCluster } from "./request-cluster";
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export default class Memory extends EventEmitter {
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origin_to_history = {} as Record<string, Record<string, RequestCluster>>;
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private throttle = makeThrottle(200);
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async register(request: ExtendedRequest) {
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await request.init();
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console.log("registering request for", request.origin);
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if (!request.isThirdParty()) {
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return;
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}
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if (!this.origin_to_history[request.origin]) {
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this.origin_to_history[request.origin] = {};
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}
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const shorthost = getshorthost(new URL(request.url).host);
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if (!this.origin_to_history[request.origin][shorthost]) {
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const cluster = new RequestCluster(shorthost);
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this.origin_to_history[request.origin][shorthost] = cluster;
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}
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this.origin_to_history[request.origin][shorthost].add(request);
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this.emit("change");
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}
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constructor() {
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super();
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browser.webRequest.onBeforeSendHeaders.addListener(
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async (request) => {
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this.register(new ExtendedRequest(request));
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},
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{ urls: ["<all_urls>"] },
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["requestHeaders"]
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);
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}
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emit(eventName: string, immediate = false) {
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try {
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if (immediate) {
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super.emit(eventName);
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return;
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} else {
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this.throttle(() => super.emit(eventName));
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}
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return true;
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} catch (e) {
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debugger;
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}
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}
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getClustersForOrigin(origin: string): Record<string, RequestCluster> {
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return this.origin_to_history[origin] || {};
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}
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async removeCookiesFor(origin: string, shorthost?: string): Promise<void> {
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if (shorthost) {
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const cookies = await browser.cookies.getAll({ domain: shorthost });
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for (const cookie of cookies) {
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console.log("removing cookie", cookie.name, "from", cookie.domain);
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await browser.cookies.remove({
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name: cookie.name,
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url: `https://${cookie.domain}`,
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});
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}
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} else {
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const clusters = this.getClustersForOrigin(origin);
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await Promise.all(
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Object.values(clusters)
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.filter((cluster) => !shorthost || cluster.id === shorthost)
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.map((cluster) => this.removeCookiesFor(origin, cluster.id))
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);
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}
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}
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async removeRequestsFor(origin: string) {
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this.origin_to_history[origin] = {};
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}
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}
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export function init() {
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const memory = new Memory();
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(window as any).memory = memory;
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}
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export function getMemory(): Memory {
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return (browser.extension.getBackgroundPage().window as any).memory as Memory;
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}
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