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29 lines
1.1 KiB
29 lines
1.1 KiB
const padManager = require('../../db/PadManager');
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const url = require('url');
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exports.expressCreateServer = function (hook_name, args, cb) {
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// redirects browser to the pad's sanitized url if needed. otherwise, renders the html
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args.app.param('pad', async (req, res, next, padId) => {
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// ensure the padname is valid and the url doesn't end with a /
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if (!padManager.isValidPadId(padId) || /\/$/.test(req.url)) {
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res.status(404).send('Such a padname is forbidden');
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return;
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}
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const sanitizedPadId = await padManager.sanitizePadId(padId);
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if (sanitizedPadId === padId) {
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// the pad id was fine, so just render it
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next();
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} else {
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// the pad id was sanitized, so we redirect to the sanitized version
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let real_url = sanitizedPadId;
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real_url = encodeURIComponent(real_url);
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const query = url.parse(req.url).query;
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if (query) real_url += `?${query}`;
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res.header('Location', real_url);
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res.status(302).send(`You should be redirected to <a href="${real_url}">${real_url}</a>`);
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}
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});
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return cb();
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};
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