58 lines
2.0 KiB
JavaScript
58 lines
2.0 KiB
JavaScript
'use strict';
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const assert = require('assert');
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const urlJoin = require('url-join');
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const sanitizeHtml = require('../lib/sanitize-html');
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const renderPageHtml = require('../hydrogen-render/render-page-html');
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const config = require('../lib/config');
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const basePath = config.get('basePath');
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assert(basePath);
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// Since everything after the hash (`#`) won't make it to the server, let's serve a 404
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// page that will potentially redirect them to the correct place if they tried
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// `/r/#room-alias:server/date/2022/10/27` -> `/r/room-alias:server/date/2022/10/27`
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function clientSideRoomAliasHashRedirectRoute(req, res) {
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const pageOptions = {
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title: `Page not found - Matrix Public Archive`,
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description: `This page does not exist but we may be able to redirect you to the right place.`,
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entryPoint: 'client/js/entry-client-room-alias-hash-redirect.js',
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locationHref: urlJoin(basePath, req.originalUrl),
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// We don't have a Matrix room so we don't know whether or not to index. Just choose
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// a safe-default of false.
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shouldIndex: false,
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cspNonce: res.locals.cspNonce,
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};
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const bodyHtml = `
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${/* We add the .hydrogen class here just to get normal body styles */ ''}
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<div class="hydrogen">
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<h1>
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404: Page not found.
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<span class="js-try-redirect-message" style="display: none">One sec while we try to redirect you to the right place.</span>
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</h1>
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<p>If there was a #room_alias:server hash in the URL, we tried redirecting you to the right place.</p>
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<p>
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Otherwise, you're simply in a place that does not exist.
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You can ${sanitizeHtml(`<a href="${basePath}">go back to the homepage</a>.`)}
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</p>
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</div>
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`;
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const pageHtml = renderPageHtml({
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pageOptions,
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bodyHtml,
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vmRenderContext: {
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config: {
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basePath,
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},
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},
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});
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res.status(404);
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res.set('Content-Type', 'text/html');
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res.send(pageHtml);
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}
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module.exports = clientSideRoomAliasHashRedirectRoute;
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