23 lines
No EOL
805 B
JavaScript
23 lines
No EOL
805 B
JavaScript
const crypto = require('crypto');
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const constants = require('./constants');
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const generateWebsocketAcceptValue = (websocketKey) => {
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if (typeof websocketKey !== 'string' || typeof constants.handshakeGUID !== 'string') {
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// TODO: maybe throw error?
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return;
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}
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const concatenated = websocketKey + constants.handshakeGUID;
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const sha1HashInBase64 = crypto.createHash('sha1').update(concatenated, 'binary').digest('base64');
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return sha1HashInBase64;
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};
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const validateHeaders = ({ upgradeHeader, websocketVersion }) => {
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if (upgradeHeader !== constants.upgradeHeaderRequirement) return false;
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if (websocketVersion !== constants.websocketVersionRequirement) return false;
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return true;
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};
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module.exports = { generateWebsocketAcceptValue, validateHeaders }; |