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| 1 | <?php |
| 2 | /** |
| 3 | * Allows uploading media from URL in Media Library. |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | /** |
| 9 | * Appends the wpcom media URL upload form. |
| 10 | */ |
| 11 | function append_wpcom_media_url_upload() { |
| 12 | ?> |
| 13 | <div id="wpcom-media-url-upload"></div> |
| 14 | <?php |
| 15 | } |
| 16 | |
| 17 | /** |
| 18 | * Enqueue the assets of the wpcom media URL upload form |
| 19 | */ |
| 20 | function enqueue_wpcom_media_url_upload_form() { |
| 21 | global $pagenow; |
| 22 | |
| 23 | $handle = jetpack_mu_wpcom_enqueue_assets( 'wpcom-media-url-upload', array( 'js', 'css' ) ); |
| 24 | |
| 25 | $page = 'editor'; |
| 26 | if ( $pagenow === 'upload.php' ) { |
| 27 | $page = 'media-library'; |
| 28 | } elseif ( $pagenow === 'media-new.php' ) { |
| 29 | $page = 'media-new'; |
| 30 | } |
| 31 | |
| 32 | $data = wp_json_encode( |
| 33 | array( |
| 34 | 'ajaxUrl' => admin_url( 'admin-ajax.php' ), |
| 35 | 'action' => 'wpcom_media_url_upload', |
| 36 | 'nonce' => wp_create_nonce( 'wpcom_media_url_upload' ), |
| 37 | 'page' => $page, |
| 38 | ), |
| 39 | JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP |
| 40 | ); |
| 41 | |
| 42 | wp_add_inline_script( |
| 43 | $handle, |
| 44 | "window.JETPACK_MU_WPCOM_MEDIA_URL_UPLOAD = $data;", |
| 45 | 'before' |
| 46 | ); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * AJAX handler for the wpcom media URL upload. |
| 51 | */ |
| 52 | function wpcom_handle_media_url_upload() { |
| 53 | check_ajax_referer( 'wpcom_media_url_upload' ); |
| 54 | |
| 55 | if ( ! isset( $_POST['url'] ) ) { |
| 56 | return; |
| 57 | } |
| 58 | |
| 59 | $url = esc_url_raw( wp_unslash( $_POST['url'] ) ); |
| 60 | |
| 61 | $tmp_file = download_url( $url ); |
| 62 | if ( is_wp_error( $tmp_file ) ) { |
| 63 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal -- It takes null, but its phpdoc only says int. |
| 64 | return wp_send_json_error( $tmp_file, null, JSON_UNESCAPED_SLASHES ); |
| 65 | } |
| 66 | |
| 67 | if ( is_multisite() ) { |
| 68 | add_filter( 'wp_handle_sideload_prefilter', 'check_upload_size' ); |
| 69 | } |
| 70 | |
| 71 | $attachment_id = media_handle_sideload( |
| 72 | array( |
| 73 | 'name' => basename( wp_parse_url( $url, PHP_URL_PATH ) ), |
| 74 | 'tmp_name' => $tmp_file, |
| 75 | ) |
| 76 | ); |
| 77 | |
| 78 | if ( file_exists( $tmp_file ) ) { |
| 79 | wp_delete_file( $tmp_file ); |
| 80 | } |
| 81 | |
| 82 | if ( is_wp_error( $attachment_id ) ) { |
| 83 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal -- It takes null, but its phpdoc only says int. |
| 84 | return wp_send_json_error( $attachment_id, null, JSON_UNESCAPED_SLASHES ); |
| 85 | } else { |
| 86 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal -- It takes null, but its phpdoc only says int. |
| 87 | return wp_send_json_success( array( 'attachment_id' => $attachment_id ), null, JSON_UNESCAPED_SLASHES ); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Load the wpcom media URL upload form. |
| 93 | */ |
| 94 | function load_wpcom_media_url_upload_form() { |
| 95 | if ( ! is_admin() || ! current_user_can( 'upload_files' ) ) { |
| 96 | return; |
| 97 | } |
| 98 | |
| 99 | add_action( 'wp_ajax_wpcom_media_url_upload', 'wpcom_handle_media_url_upload' ); |
| 100 | |
| 101 | global $pagenow; |
| 102 | if ( $pagenow !== 'media-new.php' ) { |
| 103 | add_action( 'pre-upload-ui', 'append_wpcom_media_url_upload', 9 ); |
| 104 | } |
| 105 | |
| 106 | add_action( 'post-plupload-upload-ui', 'enqueue_wpcom_media_url_upload_form' ); |
| 107 | } |
| 108 | load_wpcom_media_url_upload_form(); |