wikibase-edit/dist/src/lib/request/login.js

Edit Wikibase from NodeJS

import { newError } from '../error.js';
import { stringifyQuery } from '../utils.js';
import { customFetch } from './fetch.js';
import { parseResponseBody } from './parse_response_body.js';
import parseSessionCookies from './parse_session_cookies.js';
const contentType = 'application/x-www-form-urlencoded';
export default config => {
    const headers = {
        'user-agent': config.userAgent,
        'content-type': contentType,
    };
    const loginUrl = `${config.instanceApiEndpoint}?action=login&format=json`;
    return login(loginUrl, config, headers);
};
const login = async (loginUrl, config, headers) => {
    const loginCookies = await getLoginToken(loginUrl, config, headers);
    return getSessionCookies(loginUrl, config, headers, loginCookies);
};
const getLoginToken = async (loginUrl, config, headers) => {
    const { username: lgname, password: lgpassword } = config.credentials;
    const body = stringifyQuery({ lgname, lgpassword });
    const res = await customFetch(loginUrl, { method: 'post', headers, body });
    return parseLoginCookies(res);
};
const getSessionCookies = async (loginUrl, config, headers, loginCookies) => {
    const { cookies, token: lgtoken } = loginCookies;
    const { username: lgname, password: lgpassword } = config.credentials;
    const body = stringifyQuery({ lgname, lgpassword, lgtoken });
    const headersWithCookies = Object.assign({}, headers, { Cookie: cookies });
    const res = await customFetch(loginUrl, {
        method: 'post',
        headers: headersWithCookies,
        body,
    });
    const resBody = await parseResponseBody(res);
    if (resBody.login.result !== 'Success') {
        throw newError('failed to login: invalid username/password');
    }
    const resCookies = res.headers.get('set-cookie');
    if (!resCookies) {
        throw newError('login error', res.status, { body: resBody });
    }
    if (!sessionCookiePattern.test(resCookies)) {
        throw newError('invalid login cookies', { cookies: resCookies });
    }
    return parseSessionCookies(resCookies);
};
const sessionCookiePattern = /[sS]ession=\w{32}/;
const parseLoginCookies = async (res) => {
    const body = await res.json();
    const token = body.login.token;
    const cookies = res.headers.get('set-cookie');
    return { token, cookies };
};
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