lbry-desktop/web/middleware/redirect.js
2021-01-25 14:24:57 -05:00

65 lines
1.7 KiB
JavaScript

const PAGES = require('../../ui/constants/pages');
const config = require('../../config');
function formatInAppUrl(path) {
// Determine if we need to add a leading "/$/" for app pages
const APP_PAGE_REGEX = /(\?)([a-z]*)(.*)/;
const appPageMatches = APP_PAGE_REGEX.exec(path);
if (appPageMatches && appPageMatches.length) {
// Definitely an app page (or it's formatted like one)
const [, , page, queryString] = appPageMatches;
if (Object.values(PAGES).includes(page)) {
let actualUrl = '/$/' + page;
if (queryString) {
actualUrl += `?${queryString.slice(1)}`;
}
return actualUrl;
}
}
// Regular claim url
return path;
}
async function redirectMiddleware(ctx, next) {
const requestHost = ctx.host;
const path = ctx.path;
const url = ctx.url;
// Getting err: too many redirects on some urls because of this
// Need a better solution
// const decodedUrl = decodeURIComponent(url);
// if (decodedUrl !== url) {
// ctx.redirect(decodedUrl);
// return;
// }
if (!path.startsWith('/$/') && path.match(/^([^@/:]+)\/([^:/]+)$/)) {
ctx.redirect(url.replace(/^([^@/:]+)\/([^:/]+)(:(\/.*))/, '$1:$2')); // test against path, but use ctx.url to retain parameters
return;
}
if (requestHost === 'open.lbry.com' || requestHost === 'open.lbry.io') {
const openQuery = '?src=open';
let redirectUrl = config.URL + formatInAppUrl(url);
if (redirectUrl.includes('?')) {
redirectUrl = redirectUrl.replace('?', `${openQuery}&`);
} else {
redirectUrl += openQuery;
}
ctx.redirect(redirectUrl);
return;
}
// No redirects needed
await next();
}
module.exports = redirectMiddleware;