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transmit cookies on redirect

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This commit is contained in:
Etienne Prothon 2020-06-15 14:18:58 +02:00
parent d66adf6d4e
commit 4406b16455
1 changed files with 14 additions and 1 deletions
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13
src/index.mjs
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@ -3,7 +3,10 @@ import CookieJar from "./cookie-jar.mjs";
import Cookie from "./cookie.mjs";
import { paramError, CookieParseError } from "./errors.mjs"
const redirectStatus = new Set([301, 302, 303, 307, 308]);
async function fetch(cookieJars, url, options) {
let cookies = "";
const addValidFromJars = jars => {
// since multiple cookie jars can be passed, filter duplicates by using a set of cookie names
@ -32,6 +35,11 @@ async function fetch(cookieJars, url, options) {
options.headers = {};
options.headers.cookie = cookies.slice(0, -2);
}
let wantFollow = options && options.redirect && options.redirect === 'follow'
if (wantFollow) {
options.redirect = 'manual'
}
const result = await _fetch(url, options);
// I cannot use headers.get() here because it joins the cookies to a string
cookies = result.headers[Object.getOwnPropertySymbols(result.headers)[0]]["set-cookie"];
@ -44,6 +52,11 @@ async function fetch(cookieJars, url, options) {
else if(cookieJars instanceof CookieJar && cookieJars.flags.includes("w"))
cookies.forEach(c => cookieJars.addCookie(c, url));
}
if (wantFollow && redirectStatus.has(result.status)) {
const location = result.headers.get('Location')
options.redirect = 'follow'
await fetch(cookieJars, location, options)
}
return result;
}