| 1 |
<?php |
| 2 |
|
| 3 |
namespace ABlocks\import\ImageParsers; |
| 4 |
|
| 5 |
use ABlocks\import\ImageParsers\ablocks\ImageParser; |
| 6 |
use DOMDocument; |
| 7 |
use WP_Error; |
| 8 |
|
| 9 |
abstract class AbstractImageParser { |
| 10 |
|
| 11 |
protected array $block; |
| 12 |
|
| 13 |
public function __construct( array $block ) { |
| 14 |
$this->block = $block; |
| 15 |
} |
| 16 |
|
| 17 |
abstract protected function parse(); |
| 18 |
|
| 19 |
public function do_parse(): array { |
| 20 |
$this->parse(); |
| 21 |
return $this->block; |
| 22 |
} |
| 23 |
|
| 24 |
/** |
| 25 |
* Function handles downloading a remote file and inserting it |
| 26 |
* into the WP Media Library. |
| 27 |
* |
| 28 |
* @param string $url HTTP URL address of a remote file. |
| 29 |
* |
| 30 |
* @return int|WP_Error The ID of the attachment or a WP_Error on failure |
| 31 |
* @see https://developer.wordpress.org/reference/functions/media_handle_sideload/ |
| 32 |
*/ |
| 33 |
protected function upload_file( string $url ) { |
| 34 |
// URL Validation. |
| 35 |
if ( ! wp_http_validate_url( $url ) ) { |
| 36 |
return new WP_Error( 'invalid_url', 'File URL is invalid', array( 'status' => 400 ) ); |
| 37 |
} |
| 38 |
|
| 39 |
$previous_uploaded = $this->previous_uploaded_file( $url ); |
| 40 |
if ( $previous_uploaded ) { |
| 41 |
return $previous_uploaded; |
| 42 |
} |
| 43 |
|
| 44 |
// Gives us access to the download_url() and media_handle_sideload() functions. |
| 45 |
if ( ! function_exists( 'download_url' ) || ! function_exists( 'media_handle_sideload' ) ) { |
| 46 |
require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 47 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 48 |
require_once ABSPATH . 'wp-admin/includes/media.php'; |
| 49 |
} |
| 50 |
|
| 51 |
// Download file to temp dir. |
| 52 |
$temp_file = download_url( $url ); |
| 53 |
|
| 54 |
// if the file was not able to be downloaded. |
| 55 |
if ( is_wp_error( $temp_file ) ) { |
| 56 |
return $temp_file; |
| 57 |
} |
| 58 |
|
| 59 |
// An array similar to that of a PHP `$_FILES` POST array |
| 60 |
$file_url_path = wp_parse_url( $url, PHP_URL_PATH ); |
| 61 |
$file_info = wp_check_filetype( $file_url_path ); |
| 62 |
$file = array( |
| 63 |
'tmp_name' => $temp_file, |
| 64 |
'type' => $file_info['type'], |
| 65 |
'name' => basename( $file_url_path ), |
| 66 |
'size' => filesize( $temp_file ), |
| 67 |
); |
| 68 |
|
| 69 |
// Move the temporary file into the upload directory. |
| 70 |
$attachment_id = media_handle_sideload( $file ); |
| 71 |
update_post_meta( $attachment_id, '_ablocks_demo_ref', $url ); |
| 72 |
|
| 73 |
// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, WordPress.WP.AlternativeFunctions.unlink_unlink |
| 74 |
@unlink( $temp_file ); |
| 75 |
|
| 76 |
return $attachment_id; |
| 77 |
} |
| 78 |
|
| 79 |
protected function previous_uploaded_file( string $url ) { |
| 80 |
$attachment = get_posts( [ |
| 81 |
'post_type' => 'attachment', |
| 82 |
'meta_key' => '_ablocks_demo_ref', |
| 83 |
'meta_value' => $url, |
| 84 |
'posts_per_page' => 1, |
| 85 |
] ); |
| 86 |
|
| 87 |
if ( ! empty( $attachment ) ) { |
| 88 |
return $attachment[0]->ID; |
| 89 |
} |
| 90 |
|
| 91 |
return false; |
| 92 |
} |
| 93 |
|
| 94 |
protected function check_external_url( string $url ): bool { |
| 95 |
$link_url = wp_parse_url( $url ); |
| 96 |
$home_url = wp_parse_url( home_url() ); |
| 97 |
|
| 98 |
return ( ! empty( $link_url['host'] ) && ( $link_url['host'] !== $home_url['host'] ) ); |
| 99 |
} |
| 100 |
|
| 101 |
/** |
| 102 |
* Parse single <img/> element from DOM. |
| 103 |
* |
| 104 |
* @param DOMDocument $dom DOM. |
| 105 |
* @param int $index Index number. |
| 106 |
* |
| 107 |
* @return array|false |
| 108 |
*/ |
| 109 |
protected function parse_img_tag( DOMDocument $dom, int $index ) { |
| 110 |
$imgHtml = $dom->getElementsByTagName( 'img' )->item( $index ); |
| 111 |
|
| 112 |
if ( ! $imgHtml ) { |
| 113 |
return false; |
| 114 |
} |
| 115 |
|
| 116 |
$imgSRC = $imgHtml->attributes->getNamedItem( 'src' ); |
| 117 |
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- Calling a property from native class `DOMDocument`. |
| 118 |
$imgURL = $imgSRC->nodeValue; |
| 119 |
if ( ! $this->check_external_url( $imgURL ) ) { |
| 120 |
return false; |
| 121 |
} |
| 122 |
|
| 123 |
$attachment_id = $this->upload_file( $imgURL ); |
| 124 |
if ( is_wp_error( $attachment_id ) ) { |
| 125 |
return false; |
| 126 |
} |
| 127 |
|
| 128 |
$attachment_url = wp_get_attachment_url( $attachment_id ); |
| 129 |
|
| 130 |
return array( $attachment_id, $attachment_url, $imgURL ); |
| 131 |
} |
| 132 |
} |
| 133 |
|
