janniclas.loosenandClaude Opus 5.5
f027da1785
lit/media-preview downscales an image attachment via wp_get_image_editor and returns it as ImageContent; lit/media-download returns a file (full or a named size) as an embedded resource, rejecting files above the upload limit. Both are direct tools (ruling Q6: embedded resources, like ImageContent, only become content blocks for tools called directly). Adds MediaFiles::isWithinUploads() so neither tool ever reads a file outside wp_upload_dir()'s basedir. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
86 lines
3.1 KiB
PHP
86 lines
3.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace LIT\MCP\Tests\Unit\Integrations\Media;
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use Brain\Monkey\Functions;
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use LIT\MCP\Integrations\Media\MediaDownloadAbility;
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use LIT\MCP\Limits;
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use LIT\MCP\Tests\Unit\TestCase;
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use WP_Post;
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final class MediaDownloadAbilityTest extends TestCase
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{
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private string $file = '';
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protected function setUp(): void
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{
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parent::setUp();
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$this->file = (string) tempnam(sys_get_temp_dir(), 'lit-download');
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file_put_contents($this->file, 'PDFDATA');
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Functions\when('get_post')->justReturn(new WP_Post([
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'ID' => 40,
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'post_type' => 'attachment',
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'post_mime_type' => 'application/pdf',
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]));
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Functions\when('current_user_can')->justReturn(true);
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Functions\when('get_attached_file')->justReturn($this->file);
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Functions\when('wp_get_attachment_url')->justReturn('https://kunde.de/wp-content/uploads/preise.pdf');
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Functions\when('wp_basename')->alias('basename');
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Functions\when('wp_check_filetype')->justReturn(['ext' => 'pdf', 'type' => 'application/pdf']);
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Functions\when('wp_upload_dir')->justReturn(['basedir' => sys_get_temp_dir()]);
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}
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protected function tearDown(): void
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{
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if (is_file($this->file)) {
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unlink($this->file);
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}
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parent::tearDown();
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}
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public function testReturnsTheFileAsEmbeddedBlobResource(): void
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{
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Functions\when('get_option')->justReturn([]);
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$result = (new MediaDownloadAbility(new Limits()))->execute(['id' => 40]);
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self::assertSame('resource', $result['type']);
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self::assertSame('https://kunde.de/wp-content/uploads/preise.pdf', $result['resource']['uri']);
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self::assertSame('application/pdf', $result['resource']['mimeType']);
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self::assertSame(base64_encode('PDFDATA'), $result['resource']['blob']);
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}
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public function testFilesAboveTheLimitAreRefused(): void
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{
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Functions\when('get_option')->justReturn(['upload_mb' => 1]);
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file_put_contents($this->file, str_repeat('x', 1024 * 1024 + 1));
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$result = (new MediaDownloadAbility(new Limits()))->execute(['id' => 40]);
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self::assertSame('lit_unsupported', $result->get_error_code());
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}
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public function testUnknownSizeIsNotFound(): void
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{
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Functions\when('get_option')->justReturn([]);
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Functions\when('image_get_intermediate_size')->justReturn(false);
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$result = (new MediaDownloadAbility(new Limits()))->execute(['id' => 40, 'size' => 'huge']);
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self::assertSame('lit_not_found', $result->get_error_code());
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self::assertNull((new MediaDownloadAbility(new Limits()))->outputSchema());
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}
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public function testFilesOutsideTheUploadsDirectoryAreRefused(): void
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{
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Functions\when('get_option')->justReturn([]);
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Functions\when('wp_upload_dir')->justReturn(['basedir' => sys_get_temp_dir() . '/lit-elsewhere']);
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$result = (new MediaDownloadAbility(new Limits()))->execute(['id' => 40]);
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self::assertSame('lit_not_found', $result->get_error_code());
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}
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}
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