How to use the @slack/events-api/dist/.verifyRequestSignature function in @slack/events-api

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github seratch / slack-app-examples / serverless-gcp-template / index.js View on Github external
function handler(req, res) {
  const body = isOnGoogleCloud() ? req.rawBody.toString() : req.body.toString();
  console.log(`Request body: ${body}`);
  try {
    console.log(`X-Slack-Signature: ${req.get('X-Slack-Signature')}`);
      signingSecret: config.SLACK_SIGNING_SECRET,
      requestSignature: req.get('X-Slack-Signature'),
      requestTimestamp: req.get('X-Slack-Request-Timestamp'),
      body: body
  } catch (verificationErr) {
    console.error(`Slack signature validation failed: ${verificationErr}`)
    return res.status(401).json({ ok: false });

  if (body.startsWith('{')) {
    // application/json
    const payload = JSON.parse(body);
    if (payload.type === 'url_verification') {
      // ------------------------------------
      // Events API: url_verification


Official library for using the Slack Platform's Web API

Latest version published 3 years ago

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