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Server:

LiteSpeed

System:

Linux 4.18.0-553.84.1.lve.el8.x86_64

PHP Version:

8.2.30

User:

u176134211

Directory:

/home/u176134211/domains/digitalraj.in/public_html/includes

Free Space:

8.27 TB

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✏️ Editing: WebhookEngine.php

<?php
// /public_html/includes/WebhookEngine.php

class WebhookEngine {
    private $conn;

public function __construct($db) {
        $this->conn = $db;
    }

public function fire($qr_id, $scan_data) {
        // 1. Get User ID for this QR
        $qr_q = $this->conn->query("SELECT user_id, name, short_code FROM qrcodes WHERE id = $qr_id");
        if ($qr_q->num_rows == 0) return;
        $qr = $qr_q->fetch_assoc();
        $user_id = $qr['user_id'];

// 2. Find Webhooks for this user
        $hooks = $this->conn->query("SELECT url FROM webhooks WHERE user_id = $user_id AND status = 'active'");
        if ($hooks->num_rows == 0) return;

// 3. Prepare Payload
        $payload = json_encode([
            "event" => "qr_scan",
            "qr_name" => $qr['name'],
            "short_code" => $qr['short_code'],
            "scan_time" => date("Y-m-d H:i:s"),
            "ip" => $scan_data['ip'],
            "device" => $scan_data['device']
        ]);

// 4. Fire Requests (with strict timeout)
        while($hook = $hooks->fetch_assoc()) {
            $this->sendRequest($hook['url'], $payload);
        }
    }

private function sendRequest($url, $payload) {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        
        // TIMEOUT IS CRITICAL: Don't make the user wait > 0.5s for the redirect
        curl_setopt($ch, CURLOPT_TIMEOUT_MS, 500); 
        curl_setopt($ch, CURLOPT_NOSIGNAL, 1);
        
        curl_exec($ch);
        curl_close($ch);
    }
}
?>

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