cristi8
104 lines
2.4 KiB
JavaScript
104 lines
2.4 KiB
JavaScript
'use strict'
|
|
|
|
const crypto = require( 'crypto' )
|
|
const knex = require( './knex' )
|
|
|
|
const { makeNetworkRequest } = require( './webhookCaller' )
|
|
|
|
async function startTask() {
|
|
let { rows } = await knex.raw( `
|
|
UPDATE webhooks_events
|
|
SET
|
|
"status" = 1,
|
|
"lastUpdate" = NOW()
|
|
FROM (
|
|
SELECT "id" FROM webhooks_events
|
|
WHERE "status" = 0
|
|
ORDER BY "lastUpdate" ASC
|
|
LIMIT 1
|
|
) as task
|
|
WHERE webhooks_events."id" = task."id"
|
|
RETURNING webhooks_events."id"
|
|
` )
|
|
return rows[0]
|
|
}
|
|
|
|
async function doTask( task ) {
|
|
try {
|
|
let { rows } = await knex.raw( `
|
|
SELECT
|
|
ev.payload as evt,
|
|
cnf.id as wh_id, cnf.url as wh_url, cnf.secret as wh_secret, cnf.enabled as wh_enabled
|
|
FROM webhooks_events ev
|
|
INNER JOIN webhooks_config cnf ON ev."webhookId" = cnf.id
|
|
WHERE ev.id = ?
|
|
LIMIT 1
|
|
`, [ task.id ] )
|
|
let info = rows[0]
|
|
if ( !info ) {
|
|
throw new Error( 'Internal error: DB inconsistent' )
|
|
}
|
|
|
|
let fullPayload = JSON.parse( info.evt )
|
|
|
|
let postData = { payload: info.evt }
|
|
|
|
let signature = crypto.createHmac( 'sha256', info.wh_secret || '' ).update( postData.payload ).digest( 'hex' )
|
|
let postHeaders = { 'X-WEBHOOK-SIGNATURE': signature }
|
|
|
|
console.log( `Callin webhook ${fullPayload.streamId} : ${fullPayload.event.event_name} at ${fullPayload.webhook.url}...` )
|
|
let result = await makeNetworkRequest( { url: info.wh_url, data: postData, headersData: postHeaders } )
|
|
|
|
console.log( ` Result: ${JSON.stringify( result )}` )
|
|
|
|
if ( !result.success ) {
|
|
throw new Error( result.error )
|
|
}
|
|
|
|
await knex.raw( `
|
|
UPDATE webhooks_events
|
|
SET
|
|
"status" = 2,
|
|
"lastUpdate" = NOW(),
|
|
"statusInfo" = 'Webhook called'
|
|
WHERE "id" = ?
|
|
`, [ task.id ] )
|
|
} catch ( err ) {
|
|
await knex.raw( `
|
|
UPDATE webhooks_events
|
|
SET
|
|
"status" = 3,
|
|
"lastUpdate" = NOW(),
|
|
"statusInfo" = ?
|
|
WHERE "id" = ?
|
|
`, [ err.toString(), task.id ] )
|
|
}
|
|
|
|
}
|
|
|
|
async function tick() {
|
|
try {
|
|
let task = await startTask()
|
|
if ( !task ) {
|
|
setTimeout( tick, 1000 )
|
|
return
|
|
}
|
|
|
|
await doTask( task )
|
|
|
|
// Check for another task very soon
|
|
setTimeout( tick, 10 )
|
|
} catch ( err ) {
|
|
console.log( 'Error executing task: ', err )
|
|
setTimeout( tick, 5000 )
|
|
}
|
|
}
|
|
|
|
|
|
async function main() {
|
|
console.log( 'Starting Webhook Service...' )
|
|
tick()
|
|
}
|
|
|
|
main()
|