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<?php /** * Class to produce Media RSS nodes * * @author Vincent Prat * @copyright Copyright 2008-2011 / class nggMediaRss { public static function add_mrss_alternate_link() { // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Safe HTML link tag with escaped URL from self::get_mrss_url() echo "<link id='MediaRSS' rel='alternate' type='application/rss+xml' title='NextGEN Gallery RSS Feed' href='" . self::get_mrss_url() . "' />\n"; } /* * Get the URL of the general media RSS / public static function get_mrss_url(): string { return NGGALLERY_URLPATH . 'xml/media-rss.php'; } /* * Get the URL of a gallery media RSS / public static function get_gallery_mrss_url( $gid, $prev_next = false ): string { return self::get_mrss_url() . '?' . ( 'gid=' . $gid . ( $prev_next ? '&prev_next=true' : '' ) . '&mode=gallery' ); } /* * Get the URL of the media RSS for last pictures / public static function get_last_pictures_mrss_url( $page = 0, $show = 30 ): string { return self::get_mrss_url() . '?' . ( 'show=' . $show . '&page=' . $page . '&mode=last_pictures' ); } /* * Get the XML <rss> node corresponding to the last pictures registered * * @param int $page The current page (defaults to 0) * @param int $show The number of pictures to include in one field (default 30) / public static function get_last_pictures_mrss( $page = 0, $show = 30 ) { $images = nggdb::find_last_images( $page, $show ); $title = stripslashes( get_option( 'blogname' ) ); $description = stripslashes( get_option( 'blogdescription' ) ); $link = site_url(); $prev_link = ( $page > 0 ) ? self::get_last_pictures_mrss_url( $page-1, $show ) : ''; $next_link = count( $images )!=0 ? self::get_last_pictures_mrss_url( $page+1, $show ) : ''; return self::get_mrss_root_node( $title, $description, $link, $prev_link, $next_link, $images ); } /* * Get the XML <rss> node corresponding to a gallery * * @param $gallery (object) The gallery to include in RSS * @param $prev_gallery (object) The previous gallery to link in RSS (null if none) * @param $next_gallery (object) The next gallery to link in RSS (null if none) / public static function get_gallery_mrss( $gallery, $prev_gallery = null, $next_gallery = null ) { $ngg_options = nggGallery::get_option( 'ngg_options' ); // Set sort order value, if not used (upgrade issue) $ngg_options['galSort'] = ( $ngg_options['galSort'] ) ? $ngg_options['galSort'] : 'pid'; $ngg_options['galSortDir'] = ( $ngg_options['galSortDir'] == 'DESC' ) ? 'DESC' : 'ASC'; $title = stripslashes( \Imagely\NGG\Display\I18N::translate( $gallery->title ?? '' ) ); $description = stripslashes( \Imagely\NGG\Display\I18N::translate( $gallery->galdesc ?? '' ) ); $link = self::get_permalink( $gallery->pageid ); $prev_link = ( $prev_gallery != null ) ? self::get_gallery_mrss_url( $prev_gallery->gid, true ) : ''; $next_link = ( $next_gallery != null ) ? self::get_gallery_mrss_url( $next_gallery->gid, true ) : ''; $images = nggdb::get_gallery( $gallery->gid, $ngg_options['galSort'], $ngg_options['galSortDir'] ); return self::get_mrss_root_node( $title, $description, $link, $prev_link, $next_link, $images ); } /* * Get the XML <rss> node corresponding to an album * * @param object $album The album to include in RSS / public static function get_album_mrss( $album ) { $nggdb = new nggdb(); $title = stripslashes( \Imagely\NGG\Display\I18N::translate( $album->name ?? '' ) ); $description = ''; $link = self::get_permalink( 0 ); $prev_link = ''; $next_link = ''; $images = $nggdb->find_images_in_album( $album->id ); return self::get_mrss_root_node( $title, $description, $link, $prev_link, $next_link, $images ); } /* * Get the XML <rss> node / public static function get_mrss_root_node( $title, $description, $link, $prev_link, $next_link, $images ) { if ($prev_link != '' \|\| $next_link != '') { $out = "<rss version='2.0' xmlns:media='http://search.yahoo.com/mrss/' xmlns:atom='http://www.w3.org/2005/Atom'>\n"; } else { $out = "<rss version='2.0' xmlns:media='http://search.yahoo.com/mrss/'>\n"; } $out .= "\t<channel>\n"; $out .= self::get_generator_mrss_node(); $out .= self::get_title_mrss_node( $title ); $out .= self::get_description_mrss_node( $description ); $out .= self::get_link_mrss_node( $link ); if ($prev_link != '' \|\| $next_link != '') { $out .= self::get_self_node( self::get_mrss_url() ); } if ($prev_link!='') { $out .= self::get_previous_link_mrss_node( $prev_link ); } if ($next_link!='') { $out .= self::get_next_link_mrss_node( $next_link ); } foreach ($images as $image) { $out .= self::get_image_mrss_node( $image ); } $out .= "\t</channel>\n"; $out .= "</rss>\n"; return $out; } /* * Get the XML <generator> node / public static function get_generator_mrss_node( $indent = "\t\t" ) { return $indent . "<generator><![CDATA[NextGEN Gallery [https://www.imagely.com/wordpress-gallery-plugin/nextgen-gallery/]]]></generator>\n"; } /* * Get the XML <title> node / public static function get_title_mrss_node( $title, $indent = "\t\t" ) { return $indent . "<title>" . $title . "</title>\n"; } /* * Get the XML <description> node / public static function get_description_mrss_node( $description, $indent = "\t\t" ) { return $indent . "<description>" . $description . "</description>\n"; } /* * Get the XML <link> node / public static function get_link_mrss_node( $link, $indent = "\t\t" ) { return $indent . "<link><![CDATA[" . htmlspecialchars( $link ) . "]]></link>\n"; } /* * Get the XML <atom:link self> node / public static function get_self_node( $link, $indent = "\t\t" ) { return $indent . "<atom:link rel='self' href='" . htmlspecialchars( $link ) . "' type='application/rss+xml' />\n"; } /* * Get the XML <atom:link previous> node / public static function get_previous_link_mrss_node( $link, $indent = "\t\t" ) { return $indent . "<atom:link rel='previous' href='" . htmlspecialchars( $link ) . "' />\n"; } /* * Get the XML <atom:link next> node / public static function get_next_link_mrss_node( $link, $indent = "\t\t" ) { return $indent . "<atom:link rel='next' href='" . htmlspecialchars( $link ) . "' />\n"; } /* * Get the XML <item> node corresponding to one single image * * @param $image The image object */ public static function get_image_mrss_node( $image, $indent = "\t\t" ) { $settings = \Imagely\NGG\Settings\Settings::get_instance(); $storage = \Imagely\NGG\DataStorage\Manager::get_instance(); // Handle both object and array formats if ( is_array( $image ) ) { $image = (object) $image; } // Ensure we have a valid image object with required properties if ( ! is_object( $image ) \|\| ! isset( $image->pid ) ) { return ''; // Skip invalid images } $image_id = $image->pid; $tags = wp_get_object_terms( $image_id, 'ngg_tag', 'fields=names' ); if (is_array( $tags )) { $tags = implode( ', ', $tags ); } $title = isset( $image->alttext ) ? html_entity_decode( stripslashes( $image->alttext ) ) : ''; $desc = isset( $image->description ) ? html_entity_decode( stripslashes( $image->description ) ) : ''; $image_url = $storage->get_image_url( $image ); $thumb_url = $storage->get_image_url( $image, 'thumb' ); // Get thumbnail dimensions from meta_data or use defaults $thumbwidth = 80; $thumbheight = 80; $thumb_dims = $storage->get_image_dimensions( $image, 'thumb' ); if ( $thumb_dims && isset( $thumb_dims['width'] ) && isset( $thumb_dims['height'] ) ) { $thumbwidth = (int) $thumb_dims['width']; $thumbheight = (int) $thumb_dims['height']; } elseif ( isset( $image->meta_data ) && is_array( $image->meta_data ) ) { if ( isset( $image->meta_data['thumbnail']['width'] ) && isset( $image->meta_data['thumbnail']['height'] ) ) { $thumbwidth = (int) $image->meta_data['thumbnail']['width']; $thumbheight = (int) $image->meta_data['thumbnail']['height']; } } $out = $indent . "<item>\n"; $out .= $indent . "\t<title><![CDATA[" . \Imagely\NGG\Display\I18N::translate( $title, 'pic_' . $image_id . '_alttext' ) . "]]></title>\n"; $out .= $indent . "\t<description><![CDATA[" . \Imagely\NGG\Display\I18N::translate( $desc, 'pic_' . $image_id . '_description' ) . "]]></description>\n"; $out .= $indent . "\t<link><![CDATA[" . \Imagely\NGG\Util\Router::esc_url( $image_url ) . "]]></link>\n"; $out .= $indent . "\t<guid>image-id:" . $image_id . "</guid>\n"; $out .= $indent . "\t<media:content url='" . \Imagely\NGG\Util\Router::esc_url( $image_url ) . "' medium='image' />\n"; $out .= $indent . "\t<media:title><![CDATA[" . \Imagely\NGG\Display\I18N::translate( $title, 'pic_' . $image_id . '_alttext' ) . "]]></media:title>\n"; $out .= $indent . "\t<media:description><![CDATA[" . \Imagely\NGG\Display\I18N::translate( $desc, 'pic_' . $image_id . '_description' ) . "]]></media:description>\n"; $out .= $indent . "\t<media:thumbnail url='" . \Imagely\NGG\Util\Router::esc_url( $thumb_url ) . "' width='" . $thumbwidth . "' height='" . $thumbheight . "' />\n"; $out .= $indent . "\t<media:keywords><![CDATA[" . esc_html( \Imagely\NGG\Display\I18N::translate( $tags ) ) . "]]></media:keywords>\n"; $out .= $indent . "\t<media:copyright><![CDATA[Copyright (c) " . get_option( "blogname" ) . " (" . site_url() . ")]]></media:copyright>\n"; $out .= $indent . "</item>\n"; return $out; } public static function get_permalink( $page_id ) { if ($page_id == 0) { $permalink = site_url(); } else { $permalink = get_permalink( $page_id ); } return $permalink; } }

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