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<?php |
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|
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namespace ABlocks\import\ImageParsers; |
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|
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use ABlocks\import\ImageParsers\ablocks\ImageParser; |
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use DOMDocument; |
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use WP_Error; |
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|
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abstract class AbstractImageParser { |
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|
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protected array $block; |
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|
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public function __construct( array $block ) { |
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$this->block = $block; |
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} |
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|
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abstract protected function parse(); |
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|
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public function do_parse(): array { |
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$this->parse(); |
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return $this->block; |
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} |
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|
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/** |
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* Function handles downloading a remote file and inserting it |
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* into the WP Media Library. |
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* |
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* @param string $url HTTP URL address of a remote file. |
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* |
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* @return int|WP_Error The ID of the attachment or a WP_Error on failure |
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* @see https://developer.wordpress.org/reference/functions/media_handle_sideload/ |
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*/ |
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protected function upload_file( string $url ) { |
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// URL Validation. |
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if ( ! wp_http_validate_url( $url ) ) { |
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return new WP_Error( 'invalid_url', 'File URL is invalid', array( 'status' => 400 ) ); |
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} |
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|
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$previous_uploaded = $this->previous_uploaded_file( $url ); |
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if ( $previous_uploaded ) { |
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return $previous_uploaded; |
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} |
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|
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// Gives us access to the download_url() and media_handle_sideload() functions. |
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if ( ! function_exists( 'download_url' ) || ! function_exists( 'media_handle_sideload' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/image.php'; |
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require_once ABSPATH . 'wp-admin/includes/file.php'; |
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require_once ABSPATH . 'wp-admin/includes/media.php'; |
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} |
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|
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// Download file to temp dir. |
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$temp_file = download_url( $url ); |
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|
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// if the file was not able to be downloaded. |
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if ( is_wp_error( $temp_file ) ) { |
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return $temp_file; |
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} |
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|
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// An array similar to that of a PHP `$_FILES` POST array |
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$file_url_path = wp_parse_url( $url, PHP_URL_PATH ); |
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$file_info = wp_check_filetype( $file_url_path ); |
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$file = array( |
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'tmp_name' => $temp_file, |
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'type' => $file_info['type'], |
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'name' => basename( $file_url_path ), |
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'size' => filesize( $temp_file ), |
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); |
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|
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// Move the temporary file into the upload directory. |
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$attachment_id = media_handle_sideload( $file ); |
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update_post_meta( $attachment_id, '_ablocks_demo_ref', $url ); |
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|
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
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@unlink( $temp_file ); |
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|
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return $attachment_id; |
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} |
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|
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protected function previous_uploaded_file( string $url ) { |
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$attachment = get_posts( [ |
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'post_type' => 'attachment', |
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'meta_key' => '_ablocks_demo_ref', |
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'meta_value' => $url, |
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'posts_per_page' => 1, |
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] ); |
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|
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if ( ! empty( $attachment ) ) { |
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return $attachment[0]->ID; |
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} |
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|
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return false; |
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} |
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|
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protected function check_external_url( string $url ): bool { |
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$link_url = wp_parse_url( $url ); |
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$home_url = wp_parse_url( home_url() ); |
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|
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return ( ! empty( $link_url['host'] ) && ( $link_url['host'] !== $home_url['host'] ) ); |
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} |
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|
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/** |
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* Parse single <img/> element from DOM. |
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* |
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* @param DOMDocument $dom DOM. |
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* @param int $index Index number. |
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* |
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* @return array|false |
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*/ |
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protected function parse_img_tag( DOMDocument $dom, int $index ) { |
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$imgHtml = $dom->getElementsByTagName( 'img' )->item( $index ); |
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|
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if ( ! $imgHtml ) { |
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return false; |
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} |
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|
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$imgSRC = $imgHtml->attributes->getNamedItem( 'src' ); |
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// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- Calling a property from native class `DOMDocument`. |
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$imgURL = $imgSRC->nodeValue; |
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if ( ! $this->check_external_url( $imgURL ) ) { |
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return false; |
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} |
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|
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$attachment_id = $this->upload_file( $imgURL ); |
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if ( is_wp_error( $attachment_id ) ) { |
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return false; |
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} |
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|
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$attachment_url = wp_get_attachment_url( $attachment_id ); |
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|
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return array( $attachment_id, $attachment_url, $imgURL ); |
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} |
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} |
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|
