LINE Messaging APIでX-Line-Signatureの署名検証を行う(AzureFunctions/Node.js） - Qiita

var crypto = require("crypto"); function validate_signature(signature, body) { const LINE_CHANNEL_SECRET = process.env.LINE_CHANNEL_SECRET; return signature == crypto.createHmac('sha256', LINE_CHANNEL_SECRET).update(Buffer.from(JSON.stringify(body))).digest('base64'); } module.exports = function(context, req) { context.log('Node.js HTTP trigger function processed a request. RequestUri=%s', req.ori