feat(ssl): ssl generation helper

app/Helpers/SslHelper.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace App\Helpers;
+
+use App\Models\SslCertificate;
+use Carbon\Carbon;
+
+class SslHelper
+{
+    private const DEFAULT_KEY_BITS = 4096;
+
+    private const DEFAULT_DIGEST_ALG = 'sha256';
+
+    private const DEFAULT_VALIDITY_YEARS = 10;
+
+    private const DEFAULT_ORG_NAME = 'Coolify';
+
+    public static function generateSslCertificate(
+        string $resourceType,
+        int $resourceId,
+        string $commonName,
+        ?Carbon $validUntil = null,
+        ?string $organizationName = null
+    ): SslCertificate {
+        $validUntil ??= Carbon::now()->addYears(self::DEFAULT_VALIDITY_YEARS);
+        $organizationName ??= self::DEFAULT_ORG_NAME;
+
+        try {
+            $privateKey = openssl_pkey_new([
+                'private_key_bits' => self::DEFAULT_KEY_BITS,
+                'private_key_type' => OPENSSL_KEYTYPE_RSA,
+                'encrypt_key' => true,
+            ]);
+
+            if ($privateKey === false) {
+                throw new \RuntimeException('Failed to generate private key: '.openssl_error_string());
+            }
+
+            if (! openssl_pkey_export($privateKey, $privateKeyStr)) {
+                throw new \RuntimeException('Failed to export private key: '.openssl_error_string());
+            }
+
+            $dn = [
+                'commonName' => $commonName,
+                'organizationName' => $organizationName,
+            ];
+
+            $csr = openssl_csr_new($dn, $privateKey, [
+                'digest_alg' => self::DEFAULT_DIGEST_ALG,
+                'config' => null,
+                'encrypt_key' => true,
+            ]);
+
+            if ($csr === false) {
+                throw new \RuntimeException('Failed to generate CSR: '.openssl_error_string());
+            }
+
+            $validityDays = max(1, Carbon::now()->diffInDays($validUntil));
+
+            $certificate = openssl_csr_sign(
+                $csr,
+                null,
+                $privateKey,
+                $validityDays,
+                [
+                    'digest_alg' => self::DEFAULT_DIGEST_ALG,
+                    'config' => null,
+                ],
+                random_int(PHP_INT_MIN, PHP_INT_MAX)
+            );
+
+            if ($certificate === false) {
+                throw new \RuntimeException('Failed to sign certificate: '.openssl_error_string());
+            }
+
+            if (! openssl_x509_export($certificate, $certificateStr)) {
+                throw new \RuntimeException('Failed to export certificate: '.openssl_error_string());
+            }
+
+            return SslCertificate::create([
+                'ssl_certificate' => $certificateStr,
+                'ssl_private_key' => $privateKeyStr,
+                'resource_type' => $resourceType,
+                'resource_id' => $resourceId,
+                'valid_until' => $validUntil,
+            ]);
+        } catch (\Throwable $e) {
+            throw new \RuntimeException('SSL Certificate generation failed: '.$e->getMessage(), 0, $e);
+        }
+    }
+}