René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"X-Hub-Signature does not match blob signature","articleBody":"using my own function works but it crash with github-webhook-handler:\r\n\r\n        const createComparisonSignature = (body) =\u003e {\r\n          const hmac = crypto.createHmac('sha1', process.env.GITHUB_SECRET);\r\n          const self_signature = hmac.update(JSON.stringify(body)).digest('hex');\r\n          return `sha1=${self_signature}`; // shape in GitHub header\r\n        }\r\n        const compareSignatures = (signature, comparison_signature) =\u003e {\r\n          const source = Buffer.from(signature);\r\n          const comparison = Buffer.from(comparison_signature);\r\n          return crypto.timingSafeEqual(source, comparison); // constant time comparison\r\n        }\r\n        const { headers, body } = req;\r\n        const signature = headers['x-hub-signature'];\r\n        const comparison_signature = createComparisonSignature(req.body);\r\n        if (!compareSignatures(signature, comparison_signature)) {\r\n          return res.status(401).send('Mismatched signatures');\r\n        } else {\r\n          console.log(\"signature match\")\r\n          const { action, ...payload } = body;\r\n          req.event_type = headers['x-github-event']; // one of: https://developer.github.com/v3/activity/events/types/ \r\n          req.action = action;\r\n          req.payload = payload;\r\n          next();\r\n        }\r\n        return next()\r\n\r\nplease let me know if there is any solution","author":{"url":"https://github.com/almamlaka","@type":"Person","name":"almamlaka"},"datePublished":"2020-01-16T07:54:43.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/45/github-webhook-handler/issues/45"}