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/wp-admin/ -> async-upload.php (source)

   1  <?php
   2  /**
   3   * Server-side file upload handler from wp-plupload or other asynchronous upload methods.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
  10      define( 'DOING_AJAX', true );
  11  }
  12  
  13  if ( ! defined( 'WP_ADMIN' ) ) {
  14      define( 'WP_ADMIN', true );
  15  }
  16  
  17  if ( defined( 'ABSPATH' ) ) {
  18      require_once ABSPATH . 'wp-load.php';
  19  } else {
  20      require_once dirname( __DIR__ ) . '/wp-load.php';
  21  }
  22  
  23  require_once ABSPATH . 'wp-admin/admin.php';
  24  
  25  header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );
  26  
  27  if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
  28      require ABSPATH . 'wp-admin/includes/ajax-actions.php';
  29  
  30      send_nosniff_header();
  31      nocache_headers();
  32  
  33      wp_ajax_upload_attachment();
  34      die( '0' );
  35  }
  36  
  37  if ( ! current_user_can( 'upload_files' ) ) {
  38      wp_die( __( 'Sorry, you are not allowed to upload files.' ) );
  39  }
  40  
  41  // Just fetch the detail form for that attachment.
  42  if ( isset( $_REQUEST['attachment_id'] ) && (int) $_REQUEST['attachment_id'] && $_REQUEST['fetch'] ) {
  43      $id   = (int) $_REQUEST['attachment_id'];
  44      $post = get_post( $id );
  45      if ( 'attachment' !== $post->post_type ) {
  46          wp_die( __( 'Invalid post type.' ) );
  47      }
  48  
  49      switch ( $_REQUEST['fetch'] ) {
  50          case 3:
  51              ?>
  52              <div class="media-item-wrapper">
  53                  <div class="attachment-details">
  54                      <?php
  55                      $thumb_url = wp_get_attachment_image_src( $id, 'thumbnail', true );
  56                      if ( $thumb_url ) {
  57                          echo '<img class="pinkynail" src="' . esc_url( $thumb_url[0] ) . '" alt="" />';
  58                      }
  59  
  60                      // Title shouldn't ever be empty, but use filename just in case.
  61                      $file     = get_attached_file( $post->ID );
  62                      $file_url = wp_get_attachment_url( $post->ID );
  63                      $title    = $post->post_title ? $post->post_title : wp_basename( $file );
  64                      ?>
  65                      <div class="filename new">
  66                          <span class="media-list-title"><strong><?php echo esc_html( wp_html_excerpt( $title, 60, '&hellip;' ) ); ?></strong></span>
  67                          <span class="media-list-subtitle"><?php echo wp_basename( $file ); ?></span>
  68                      </div>
  69                  </div>
  70                  <div class="attachment-tools">
  71                      <span class="media-item-copy-container copy-to-clipboard-container edit-attachment">
  72                          <button type="button" class="button button-small copy-attachment-url" data-clipboard-text="<?php echo $file_url; ?>"><?php _e( 'Copy URL to clipboard' ); ?></button>
  73                          <span class="success hidden" aria-hidden="true"><?php _e( 'Copied!' ); ?></span>
  74                      </span>
  75                      <?php
  76                      if ( current_user_can( 'edit_post', $id ) ) {
  77                          echo '<a class="edit-attachment" href="' . esc_url( get_edit_post_link( $id ) ) . '">' . _x( 'Edit', 'media item' ) . '</a>';
  78                      } else {
  79                          echo '<span class="edit-attachment">' . _x( 'Success', 'media item' ) . '</span>';
  80                      }
  81                      ?>
  82                  </div>
  83              </div>
  84              <?php
  85              break;
  86          case 2:
  87              add_filter( 'attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2 );
  88              echo get_media_item(
  89                  $id,
  90                  array(
  91                      'send'   => false,
  92                      'delete' => true,
  93                  )
  94              );
  95              break;
  96          default:
  97              add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 );
  98              echo get_media_item( $id );
  99              break;
 100      }
 101      exit;
 102  }
 103  
 104  check_admin_referer( 'media-form' );
 105  
 106  $post_id = 0;
 107  if ( isset( $_REQUEST['post_id'] ) ) {
 108      $post_id = absint( $_REQUEST['post_id'] );
 109      if ( ! get_post( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {
 110          $post_id = 0;
 111      }
 112  }
 113  
 114  $id = media_handle_upload( 'async-upload', $post_id );
 115  if ( is_wp_error( $id ) ) {
 116      printf(
 117          '<div class="error-div error">%s <strong>%s</strong><br />%s</div>',
 118          sprintf(
 119              '<button type="button" class="dismiss button-link" onclick="jQuery(this).parents(\'div.media-item\').slideUp(200, function(){jQuery(this).remove();});">%s</button>',
 120              __( 'Dismiss' )
 121          ),
 122          sprintf(
 123              /* translators: %s: Name of the file that failed to upload. */
 124              __( '&#8220;%s&#8221; has failed to upload.' ),
 125              esc_html( $_FILES['async-upload']['name'] )
 126          ),
 127          esc_html( $id->get_error_message() )
 128      );
 129      exit;
 130  }
 131  
 132  if ( $_REQUEST['short'] ) {
 133      // Short form response - attachment ID only.
 134      echo $id;
 135  } else {
 136      // Long form response - big chunk of HTML.
 137      $type = $_REQUEST['type'];
 138  
 139      /**
 140       * Filters the returned ID of an uploaded attachment.
 141       *
 142       * The dynamic portion of the hook name, `$type`, refers to the attachment type.
 143       *
 144       * Possible hook names include:
 145       *
 146       *  - `async_upload_audio`
 147       *  - `async_upload_file`
 148       *  - `async_upload_image`
 149       *  - `async_upload_video`
 150       *
 151       * @since 2.5.0
 152       *
 153       * @param int $id Uploaded attachment ID.
 154       */
 155      echo apply_filters( "async_upload_{$type}", $id );
 156  }


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