rentgen/memory.ts

102 lines
2.9 KiB
TypeScript
Raw Normal View History

2021-10-03 09:03:56 +02:00
import ExtendedRequest from "./extended-request";
import { getshorthost, makeThrottle } from "./util";
2021-10-03 09:03:56 +02:00
import { EventEmitter } from "events";
2021-10-03 16:33:23 +02:00
import { RequestCluster } from "./request-cluster";
2021-10-03 09:03:56 +02:00
2021-11-07 13:57:24 +01:00
export default class Memory extends EventEmitter {
2021-11-06 21:48:25 +01:00
origin_to_history = {} as Record<string, Record<string, RequestCluster>>;
private throttle = makeThrottle(200);
2021-10-03 09:03:56 +02:00
async register(request: ExtendedRequest) {
2021-10-04 18:51:51 +02:00
await request.init();
// console.log("registering request for", request.origin);
2021-11-06 21:48:25 +01:00
if (!request.isThirdParty()) {
return;
2021-10-03 09:03:56 +02:00
}
2021-11-07 19:03:00 +01:00
if (!this.origin_to_history[request.origin]) {
this.origin_to_history[request.origin] = {};
2021-11-06 21:48:25 +01:00
}
const shorthost = getshorthost(new URL(request.url).host);
2021-11-07 19:03:00 +01:00
if (!this.origin_to_history[request.origin][shorthost]) {
2021-11-06 21:48:25 +01:00
const cluster = new RequestCluster(shorthost);
2021-11-07 19:03:00 +01:00
this.origin_to_history[request.origin][shorthost] = cluster;
2021-11-06 21:48:25 +01:00
}
2021-11-07 19:03:00 +01:00
this.origin_to_history[request.origin][shorthost].add(request);
2021-11-06 21:48:25 +01:00
this.emit("change");
2021-10-03 09:03:56 +02:00
}
constructor() {
super();
2021-11-26 20:58:31 +01:00
browser.webRequest.onBeforeRequest.addListener(
async (request) => {
new ExtendedRequest(request);
},
{ urls: ["<all_urls>"] },
["requestBody"]
);
2021-10-03 09:03:56 +02:00
browser.webRequest.onBeforeSendHeaders.addListener(
async (request) => {
2021-11-26 20:58:31 +01:00
const extendedRequest = ExtendedRequest.by_id[
request.requestId
].addHeaders(request.requestHeaders || []);
this.register(extendedRequest);
2021-10-03 09:03:56 +02:00
},
{ urls: ["<all_urls>"] },
["requestHeaders"]
);
}
emit(eventName: string, immediate = false) {
try {
if (immediate) {
super.emit(eventName);
return;
} else {
this.throttle(() => super.emit(eventName));
}
return true;
} catch (e) {
2022-01-20 19:03:03 +01:00
// debugger;
}
}
2021-11-06 21:48:25 +01:00
getClustersForOrigin(origin: string): Record<string, RequestCluster> {
return this.origin_to_history[origin] || {};
}
async removeCookiesFor(origin: string, shorthost?: string): Promise<void> {
2021-11-07 09:17:19 +01:00
if (shorthost) {
const cookies = await browser.cookies.getAll({ domain: shorthost });
for (const cookie of cookies) {
console.log("removing cookie", cookie.name, "from", cookie.domain);
await browser.cookies.remove({
name: cookie.name,
url: `https://${cookie.domain}`,
});
}
} else {
const clusters = this.getClustersForOrigin(origin);
await Promise.all(
Object.values(clusters)
.filter((cluster) => !shorthost || cluster.id === shorthost)
.map((cluster) => this.removeCookiesFor(origin, cluster.id))
);
}
2021-11-06 21:48:25 +01:00
}
async removeRequestsFor(origin: string) {
this.origin_to_history[origin] = {};
2021-10-03 09:03:56 +02:00
}
}
2021-11-07 13:57:24 +01:00
export function init() {
const memory = new Memory();
2021-10-03 09:03:56 +02:00
2021-11-07 13:57:24 +01:00
(window as any).memory = memory;
}
2021-11-07 17:23:48 +01:00
export function getMemory(): Memory {
return (browser.extension.getBackgroundPage().window as any).memory as Memory;
}