PHP Webhook SmartApp Automation

Has anyone written a Webhook SmartApp Automation in PHP?

I’d like to see some code to jumpstart my development.

I got the example running and made some modifications to it in node.js (https://smartthings.developer.samsung.com/docs/examples/weather-light-example.html), but now I’d like to make a Drupal module using PHP.
Thanks!

I’m still working on this.
Currently having a challenge converting the node.js signature validation to php.
Has anyone done this?

Node.js
/**
* Verifies that the request is actually from SmartThings.
* @returns true if verified, false otherwise.
*/
function signatureIsVerified(req) {
// WARNING: DO NOT USE THIS IN PRODUCTION
// We will read the public key from FS everytime we need to verify
// COMMENT OUT THIS LINE INPRODUCTION
const publicKey = fs.readFileSync(’./config/smartthings_rsa.pub’, ‘utf8’);
// END WARNING
try {
let parsed = httpSignature.parseRequest(req);
if (!httpSignature.verifySignature(parsed, publicKey)) {
console.log(‘forbidden - failed verifySignature’);
return false;
}
} catch (error) {
console.error(error);
return false;
}
return true;
}

I have this working, and hope to post example code soon. If someone would find it useful, just let me know and I’ll share.

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