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| 1 | <?php |
| 2 | /** |
| 3 | * GSuite Block. |
| 4 | * |
| 5 | * @since 11.3 |
| 6 | * |
| 7 | * @package automattic/jetpack |
| 8 | */ |
| 9 | |
| 10 | namespace Automattic\Jetpack\Extensions\GoogleDocsEmbed; |
| 11 | |
| 12 | use Automattic\Jetpack\Blocks; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit( 0 ); |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * Registers the blocks for use in Gutenberg |
| 20 | * This is done via an action so that we can disable |
| 21 | * registration if we need to. |
| 22 | */ |
| 23 | function register_blocks() { |
| 24 | |
| 25 | Blocks::jetpack_register_block( |
| 26 | __DIR__, |
| 27 | array( |
| 28 | 'render_callback' => __NAMESPACE__ . '\render_callback', |
| 29 | ) |
| 30 | ); |
| 31 | } |
| 32 | add_action( 'init', __NAMESPACE__ . '\register_blocks' ); |
| 33 | |
| 34 | /** |
| 35 | * The block rendering callback. |
| 36 | * |
| 37 | * The render implementation lives in render.php and is only loaded when the |
| 38 | * block is actually rendered, keeping it out of the eager front-end path. |
| 39 | * |
| 40 | * @param array $attributes attributes. |
| 41 | * @return string |
| 42 | */ |
| 43 | function render_callback( $attributes ) { |
| 44 | require_once __DIR__ . '/render.php'; |
| 45 | return render_callback_implementation( $attributes ); |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Convert GSuite URL to a preview URL. |
| 50 | * |
| 51 | * @param string $url The URL of the published Doc/Spreadsheet/Presentation. |
| 52 | * |
| 53 | * @return string |
| 54 | */ |
| 55 | function map_gsuite_url( $url ) { |
| 56 | |
| 57 | // Default regex for all the URLs. |
| 58 | $gsuite_regex = '/^(http|https):\/\/(docs\.google.com)\/(spreadsheets|document|presentation)\/d\/([A-Za-z0-9_-]+).*?$/i'; |
| 59 | |
| 60 | /** |
| 61 | * Check if the URL is valid. |
| 62 | * |
| 63 | * If not, return the original URL as is. |
| 64 | */ |
| 65 | preg_match( $gsuite_regex, $url, $matches ); |
| 66 | if ( |
| 67 | empty( $matches ) || |
| 68 | empty( $matches[1] ) || |
| 69 | empty( $matches[2] ) || |
| 70 | empty( $matches[3] ) || |
| 71 | empty( $matches[4] ) |
| 72 | ) { |
| 73 | return $url; |
| 74 | } |
| 75 | |
| 76 | return "{$matches[1]}://$matches[2]/$matches[3]/d/$matches[4]/preview"; |
| 77 | } |