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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Storage factory. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2026-02-08 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Storage; |
| 21 | |
| 22 | use Aws\S3\S3Client; |
| 23 | use phpMyFAQ\Configuration; |
| 24 | use phpMyFAQ\Tenant\TenantContext; |
| 25 | |
| 26 | final readonly class StorageFactory |
| 27 | { |
| 28 | public function __construct( |
| 29 | private Configuration $configuration, |
| 30 | private ?TenantContext $tenantContext = null, |
| 31 | ) { |
| 32 | } |
| 33 | |
| 34 | public function create(): StorageInterface |
| 35 | { |
| 36 | $type = strtolower((string) ($this->configuration->get('storage.type') ?? 'filesystem')); |
| 37 | |
| 38 | $storage = match ($type) { |
| 39 | 'filesystem' => new FilesystemStorage( |
| 40 | $this->resolveFilesystemRoot(), |
| 41 | $this->readStringConfig('storage.filesystem.publicBaseUrl'), |
| 42 | ), |
| 43 | 's3' => $this->createS3Storage(), |
| 44 | default => throw new StorageException('Unsupported storage type: ' . $type), |
| 45 | }; |
| 46 | |
| 47 | return new TenantScopedStorage($storage, $this->tenantPrefix()); |
| 48 | } |
| 49 | |
| 50 | private function createS3Storage(): S3Storage |
| 51 | { |
| 52 | $bucket = $this->readRequiredConfig('storage.s3.bucket'); |
| 53 | $prefix = $this->readStringConfig('storage.s3.prefix') ?? ''; |
| 54 | $publicBaseUrl = $this->readStringConfig('storage.s3.publicBaseUrl'); |
| 55 | $region = $this->readStringConfig('storage.s3.region') ?? 'us-east-1'; |
| 56 | |
| 57 | if (!class_exists(S3Client::class)) { |
| 58 | throw new StorageException('AWS SDK for PHP is required for S3 storage.'); |
| 59 | } |
| 60 | |
| 61 | $s3Config = [ |
| 62 | 'version' => 'latest', |
| 63 | 'region' => $region, |
| 64 | ]; |
| 65 | |
| 66 | $endpoint = $this->readStringConfig('storage.s3.endpoint'); |
| 67 | if ($endpoint !== null && $endpoint !== '') { |
| 68 | $s3Config['endpoint'] = $endpoint; |
| 69 | } |
| 70 | |
| 71 | $key = $this->readStringConfig('storage.s3.key'); |
| 72 | $secret = $this->readStringConfig('storage.s3.secret'); |
| 73 | if (($key === null) !== ($secret === null)) { |
| 74 | throw new StorageException('Both storage.s3.key and storage.s3.secret must be provided together.'); |
| 75 | } |
| 76 | |
| 77 | if ($key !== null && $secret !== null) { |
| 78 | $s3Config['credentials'] = [ |
| 79 | 'key' => $key, |
| 80 | 'secret' => $secret, |
| 81 | ]; |
| 82 | } |
| 83 | |
| 84 | $usePathStyle = $this->configuration->get('storage.s3.usePathStyle'); |
| 85 | if ($usePathStyle !== null) { |
| 86 | $s3Config['use_path_style_endpoint'] = filter_var($usePathStyle, FILTER_VALIDATE_BOOL); |
| 87 | } |
| 88 | |
| 89 | $client = new S3Client($s3Config); |
| 90 | |
| 91 | return new S3Storage($client, $bucket, $prefix, $publicBaseUrl); |
| 92 | } |
| 93 | |
| 94 | private function resolveFilesystemRoot(): string |
| 95 | { |
| 96 | $configuredRoot = $this->readStringConfig('storage.filesystem.root'); |
| 97 | $root = $configuredRoot; |
| 98 | if ($root === null || $root === '') { |
| 99 | $root = defined('PMF_ATTACHMENTS_DIR') && PMF_ATTACHMENTS_DIR !== false |
| 100 | ? (string) PMF_ATTACHMENTS_DIR |
| 101 | : (string) PMF_ROOT_DIR . '/content/user/attachments'; |
| 102 | } |
| 103 | |
| 104 | /* @mago-expect lint:no-error-control-operator - mkdir may race a concurrent request; the re-check handles it */ |
| 105 | if (!is_dir($root) && !@mkdir($root, permissions: 0o775, recursive: true) && !is_dir($root)) { |
| 106 | throw new StorageException('Storage root directory could not be created: ' . $root); |
| 107 | } |
| 108 | |
| 109 | if (!is_writable($root)) { |
| 110 | throw new StorageException('Storage root directory is not writable: ' . $root); |
| 111 | } |
| 112 | |
| 113 | return $root; |
| 114 | } |
| 115 | |
| 116 | private function readRequiredConfig(string $key): string |
| 117 | { |
| 118 | $value = $this->readStringConfig($key); |
| 119 | if ($value === null || $value === '') { |
| 120 | throw new StorageException('Missing required storage configuration key: ' . $key); |
| 121 | } |
| 122 | |
| 123 | return $value; |
| 124 | } |
| 125 | |
| 126 | private function readStringConfig(string $key): ?string |
| 127 | { |
| 128 | $value = $this->configuration->get($key); |
| 129 | if ($value === null) { |
| 130 | return null; |
| 131 | } |
| 132 | |
| 133 | return trim((string) $value); |
| 134 | } |
| 135 | |
| 136 | private function tenantPrefix(): string |
| 137 | { |
| 138 | $tenantId = $this->tenantContext?->getTenantId() ?? 0; |
| 139 | |
| 140 | return sprintf('%d/attachments', $tenantId); |
| 141 | } |
| 142 | } |