2020-06-23 13:29:34 -04:00
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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const {EventEmitter} = require('events');
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2020-06-06 08:37:40 -04:00
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2020-06-23 13:29:34 -04:00
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module.exports = function(io, sessionStore, cookieParser, cookieName) {
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const missingSessionError = new Error('could not look up session by key');
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2020-06-06 08:37:40 -04:00
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2020-06-23 13:29:34 -04:00
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const sessionSockets = new EventEmitter();
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const next = (error, socket, session) => sessionSockets.emit('connection', error, socket, session);
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2020-06-06 08:37:40 -04:00
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2020-06-23 13:29:34 -04:00
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io.on('connection', function(socket) {
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const req = socket.handshake;
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return cookieParser(req, {}, function() {
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const sessionId = req.signedCookies && req.signedCookies[cookieName];
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if (!sessionId) {
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return next(missingSessionError, socket);
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}
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return sessionStore.get(sessionId, function(error, session) {
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if (error) {
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return next(error, socket);
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}
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if (!session) {
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return next(missingSessionError, socket);
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}
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return next(null, socket, session);
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});
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});
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});
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2020-06-06 08:37:40 -04:00
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2020-06-23 13:29:34 -04:00
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return sessionSockets;
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};
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