Initial commit: Uruk Prize Platform architecture, backend core, mobile app, gateway caller & deployment pipeline

2026-09-18 17:12:05 +03:00
commit 879dd36f1b
1149 changed files with 97122 additions and 0 deletions
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+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+class NabihCaptchaService
+{
+    /**
+     * Generates a unique, distorted Captcha OTP image with noise to bypass Meta template restrictions.
+     * Returns the raw PNG binary or base64 encoded data.
+     */
+    public static function generateOtpImage(string $code, int $width = 240, int $height = 80): string
+    {
+        $image = imagecreatetruecolor($width, $height);
+
+        // 1. Generate randomized subtle background tint
+        $bgR = random_int(235, 250);
+        $bgG = random_int(245, 255);
+        $bgB = random_int(240, 250);
+        $bgColor = imagecolorallocate($image, $bgR, $bgG, $bgB);
+        imagefilledrectangle($image, 0, 0, $width, $height, $bgColor);
+
+        // 2. Add random noise dots
+        for ($i = 0; $i < 120; $i++) {
+            $dotColor = imagecolorallocate(
+                $image,
+                random_int(120, 200),
+                random_int(180, 230),
+                random_int(150, 210)
+            );
+            imagesetpixel($image, random_int(0, $width), random_int(0, $height), $dotColor);
+        }
+
+        // 3. Add random interference crossing lines
+        for ($i = 0; $i < 6; $i++) {
+            $lineColor = imagecolorallocate(
+                $image,
+                random_int(80, 160),
+                random_int(180, 220),
+                random_int(140, 190)
+            );
+            imagesetthickness($image, random_int(1, 2));
+            imageline(
+                $image,
+                random_int(0, $width),
+                random_int(0, $height),
+                random_int(0, $width),
+                random_int(0, $height),
+                $lineColor
+            );
+        }
+
+        // 4. Render Digits with randomized spacing and slight position jitter
+        $textColor = imagecolorallocate($image, 15, 60, 50); // Deep Teal / Charcoal
+        $len = strlen($code);
+        $spacing = (int)($width / ($len + 1));
+
+        for ($idx = 0; $idx < $len; $idx++) {
+            $char = $code[$idx];
+            $x = ($idx + 1) * $spacing - 10 + random_int(-3, 3);
+            $y = (int)($height / 2) - 10 + random_int(-4, 4);
+
+            // Using standard built-in font for zero dependencies
+            imagestring($image, 5, $x, $y, $char, $textColor);
+        }
+
+        ob_start();
+        imagepng($image);
+        $imageData = ob_get_clean();
+        imagedestroy($image);
+
+        return (string)$imageData;
+    }
+}