/**
* Remove WP List Table row actions in the Media Library List Table
* if the attachment is protected and the user is not permitted to access it
*
* @since 0.7
*
* @uses mgjp_mv_check_user_permitted() returns true if user is permitted to access
* specified attachment
* @param $actions array Array of row actions available for specific attachment
* @param $post object WP_Post object of currently rendering attachment
* @return array Return row actions untouched if user permitted to access attachment
* @return array Empty array if no access permitted
*/
function mgjp_mv_modify_media_library_row_actions($actions, $post)
{
// check if current user is permitted to access the post
if (!mgjp_mv_check_user_permitted($post->ID)) {
return array(esc_html__('You do not have permission to access this attachment', 'media-vault'));
}
return $actions;
}
/**
* Add shortcode handler to print download link(s) for files
* in the wp uploads folder
*
* @since 0.5
*
* @param $atts array Array of parameters passed to the shortcode through the editor
* acceptable parameters include:
* 'ids' int || string list of attachment ids (int), comma separated
* 'sizes' string list of desired file sizes per id if attachment type is image, comma separated
* 'thumb' bool true if thumb is desired in link list
* 'thumb_size' string desired size the thumb should display as
*/
function mgjp_mv_download_links_list_shortcode_handler($atts)
{
extract(shortcode_atts(array('ids' => null, 'sizes' => 'full', 'thumb' => false, 'thumb_size' => 'thumbnail'), $atts));
if (empty($ids)) {
return;
}
$ids = explode(',', str_replace(' ', '', $ids));
$sizes = explode(',', str_replace(' ', '', $sizes));
foreach ($ids as $key => $id) {
if (!absint($id) || !mgjp_mv_check_user_permitted($id)) {
continue;
}
$size = $sizes[0];
if (isset($sizes[$key])) {
$size = $sizes[$key];
}
$file = mgjp_mv_get_attachment_download_url($id, $size);
if (is_wp_error($file)) {
continue;
}
$files[] = array($id, $file);
}
if (!isset($files)) {
return;
}
ob_start();
if (!isset($files[1])) {
?>
<a href="<?php
echo esc_attr($files[0][1]);
?>
" download="<?php
echo esc_attr(basename($files[0][0]));
?>
" title="<?php
echo esc_html__('Click to Download:', 'media-vault'), ' ', get_the_title($files[0][0]);
?>
">
<?php
echo get_the_title($files[0][0]);
?>
</a>
<?php
} else {
?>
<ul>
<?php
foreach ($files as $file) {
?>
<li>
<a href="<?php
echo esc_attr($file[1]);
?>
" download="<?php
echo esc_attr(basename($file[1]));
?>
" title="<?php
echo esc_html__('Click to Download:', 'media-vault'), ' ', get_the_title($file[0]);
?>
">
<?php
echo get_the_title($file[0]);
?>
</a>
</li>
<?php
}
?>
</ul>
<?php
}
return ob_get_clean();
}
/**
* Replace requested image with a Media Vault place-holder
* if the user is not permitted to view them
*
* @since 0.8
*
* @param $img mixed false based on wp-includes/media.php or array if other filter has affected it
* @param $attachment_id int ID of the attachment whose image is being requested
* @param $size string name-id of the dimensions of the requested image
* @return mixed return the $url if the image is not protected
* @return array [0] string URL to the Media Vault replacement image of the requested size
* [1] string width of the Media Vault replacement image
* [2] string height of the Media Vault replacement image
* [3] bool whether the url is for a resized image or not
*/
function mgjp_mv_replace_protected_image($img, $attachment_id, $size)
{
$ir = get_option('mgjp_mv_ir');
if (!isset($ir['is_on']) || !$ir['is_on']) {
return $img;
}
$upload_dir = wp_upload_dir();
if (isset($img[0]) && 0 !== strpos(ltrim($img[0], $upload_dir['baseurl']), mgjp_mv_upload_dir('/', true))) {
return $img;
}
if (mgjp_mv_check_user_permitted($attachment_id)) {
return $img;
}
if (isset($ir['id']) && !mgjp_mv_is_protected($ir['id'])) {
remove_filter('image_downsize', 'mgjp_mv_replace_protected_image', 999, 3);
$placeholder = wp_get_attachment_image_src($ir['id'], $size);
add_filter('image_downsize', 'mgjp_mv_replace_protected_image', 999, 3);
return $placeholder;
} else {
list($width, $height) = image_constrain_size_for_editor(1024, 1024, $size);
return array(plugins_url('imgs/media-vault-ir.jpg', __FILE__), $width, $height, false);
}
}