Add the Jackett widget

- add the follow-redirect package
- add the tough-cookie package

Jackett API uses a redirect mechanism to set a CSRF token.
This CSRF token is stored in a cookie that is required to
be present or the API won't work.

src/utils/http.js

@@ -1,9 +1,44 @@
 /* eslint-disable prefer-promise-reject-errors */
-import https from "https";
-import http from "http";
+/* eslint-disable no-param-reassign */
+import { http, https } from "follow-redirects";
+import { Cookie, CookieJar } from 'tough-cookie';
+
+const cookieJar = new CookieJar();
+
+function addCookieHandler(url, params) {
+  // add cookie header, if we have one in the jar
+  const existingCookie = cookieJar.getCookieStringSync(url.toString());
+  if (existingCookie) {
+    params.headers = params.headers ?? {};
+    params.headers.Cookie = existingCookie;
+  }
+
+  // handle cookies during redirects
+  params.beforeRedirect = (options, responseInfo) => {
+    const cookieHeader = responseInfo.headers['set-cookie'];
+    if (!cookieHeader || cookieHeader.length === 0) return;
+
+    let cookies = null;
+    if (cookieHeader instanceof Array) {
+      cookies = cookieHeader.map(Cookie.parse);
+    }
+    else {
+      cookies = [Cookie.parse(cookieHeader)];
+    }
+
+    for (let i = 0; i < cookies.length; i += 1) {
+      cookieJar.setCookieSync(cookies[i], options.href);
+    }
+
+    const cookie = cookieJar.getCookieStringSync(options.href);
+    options.headers = options.headers ?? {};
+    options.headers.Cookie = cookie;
+  };
+}
 
 export function httpsRequest(url, params) {
   return new Promise((resolve, reject) => {
+    addCookieHandler(url, params);
     const request = https.request(url, params, (response) => {
       const data = [];
 
@@ -30,6 +65,7 @@ export function httpsRequest(url, params) {
 
 export function httpRequest(url, params) {
   return new Promise((resolve, reject) => {
+    addCookieHandler(url, params);
     const request = http.request(url, params, (response) => {
       const data = [];