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Fix crash streaming process when receive invalid json (#14859)

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fuyu 2020-09-22 22:30:41 +09:00 committed by GitHub
parent b09810a505
commit e39d97f700
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1 changed files with 19 additions and 2 deletions
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21
streaming/index.js
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@ -81,6 +81,19 @@ const redisUrlToClient = (defaultConfig, redisUrl) => {
const numWorkers = +process.env.STREAMING_CLUSTER_NUM || (env === 'development' ? 1 : Math.max(os.cpus().length - 1, 1)); const numWorkers = +process.env.STREAMING_CLUSTER_NUM || (env === 'development' ? 1 : Math.max(os.cpus().length - 1, 1));
/**
* @param {string} json
* @return {Object.<string, any>|null}
*/
const parseJSON = (json) => {
try {
return JSON.parse(json);
} catch (err) {
log.error(err);
return null;
}
};
const startMaster = () => { const startMaster = () => {
if (!process.env.SOCKET && process.env.PORT && isNaN(+process.env.PORT)) { if (!process.env.SOCKET && process.env.PORT && isNaN(+process.env.PORT)) {
log.warn('UNIX domain socket is now supported by using SOCKET. Please migrate from PORT hack.'); log.warn('UNIX domain socket is now supported by using SOCKET. Please migrate from PORT hack.');
@ -522,7 +535,9 @@ const startWorker = (workerId) => {
log.verbose(req.requestId, `Starting stream from ${ids.join(', ')} for ${accountId}${streamType}`); log.verbose(req.requestId, `Starting stream from ${ids.join(', ')} for ${accountId}${streamType}`);
const listener = message => { const listener = message => {
const { event, payload, queued_at } = JSON.parse(message); const json = parseJSON(message);
if (!json) return;
const { event, payload, queued_at } = json;
const transmit = () => { const transmit = () => {
const now = new Date().getTime(); const now = new Date().getTime();
@ -932,7 +947,9 @@ const startWorker = (workerId) => {
ws.on('error', onEnd); ws.on('error', onEnd);
ws.on('message', data => { ws.on('message', data => {
const { type, stream, ...params } = JSON.parse(data); const json = parseJSON(data);
if (!json) return;
const { type, stream, ...params } = json;
if (type === 'subscribe') { if (type === 'subscribe') {
subscribeWebsocketToChannel(session, firstParam(stream), params); subscribeWebsocketToChannel(session, firstParam(stream), params);