<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName /** * Disable direct access/execution to/of the widget code. */ if ( ! defined( 'ABSPATH' ) ) { exit; } if ( ! class_exists( 'Jetpack_Flickr_Widget' ) ) { /** * Flickr Widget * * Display your recent Flickr photos. */ class Jetpack_Flickr_Widget extends WP_Widget { /** * Constructor. */ public function __construct() { parent::__construct( 'flickr', /** This filter is documented in modules/widgets/facebook-likebox.php */ apply_filters( 'jetpack_widget_name', esc_html__( 'Flickr', 'jetpack' ) ), array( 'description' => esc_html__( 'Display your recent Flickr photos.', 'jetpack' ), 'customize_selective_refresh' => true, ), array() ); if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) { add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); } } /** * Enqueue style. */ public function enqueue_style() { wp_enqueue_style( 'flickr-widget-style', plugins_url( 'flickr/style.css', __FILE__ ), array(), '20170405' ); } /** * Return an associative array of default values. * * These values are used in new widgets. * * @return array Default values for the widget options. */ public function defaults() { return array( 'title' => esc_html__( 'Flickr Photos', 'jetpack' ), 'items' => 4, 'target' => false, 'flickr_image_size' => 'thumbnail', 'flickr_rss_url' => '', ); } /** * Front-end display of the widget. * * @param array $args Widget arguments. * @param array $instance Saved values from database. */ public function widget( $args, $instance ) { $instance = wp_parse_args( $instance, $this->defaults() ); if ( ! empty( $instance['flickr_rss_url'] ) ) { /* * Parse the URL, and rebuild a URL that's sure to display images. * Some Flickr Feeds do not display images by default. */ $flickr_parameters = wp_parse_url( htmlspecialchars_decode( $instance['flickr_rss_url'] ) ); // Is it a Flickr Feed. if ( ! empty( $flickr_parameters['host'] ) && ! empty( $flickr_parameters['query'] ) && false !== strpos( $flickr_parameters['host'], 'flickr' ) ) { parse_str( $flickr_parameters['query'], $vars ); // Do we have an ID in the feed? Let's continue. if ( isset( $vars['id'] ) ) { // Flickr Feeds can be used for groups or for individuals. if ( ! empty( $flickr_parameters['path'] ) && false !== strpos( $flickr_parameters['path'], 'groups' ) ) { $feed_url = 'https://api.flickr.com/services/feeds/groups_pool.gne'; } else { $feed_url = 'https://api.flickr.com/services/feeds/photos_public.gne'; } // Build our new RSS feed. $rss_url = sprintf( '%1$s?id=%2$s&format=rss_200_enc', esc_url( $feed_url ), esc_attr( $vars['id'] ) ); } } } // Still no RSS feed URL? Get a default feed from Flickr to grab interesting photos. if ( empty( $rss_url ) ) { $rss_url = 'https://api.flickr.com/services/feeds/photos_interesting.gne?format=rss_200'; } $rss = fetch_feed( $rss_url ); $photos = ''; if ( ! is_wp_error( $rss ) ) { foreach ( $rss->get_items( 0, $instance['items'] ) as $photo ) { switch ( $instance['flickr_image_size'] ) { case 'thumbnail': $src = $photo->get_enclosure()->get_thumbnail(); break; case 'small': $src = preg_match( '/src="(.*?)"/i', $photo->get_description(), $p ); $src = $p[1]; break; case 'large': $src = $photo->get_enclosure()->get_link(); break; } $photos .= '<a href="' . esc_url( $photo->get_permalink(), array( 'http', 'https' ) ) . '" '; if ( $instance['target'] ) { $photos .= 'target="_blank" rel="noopener noreferrer" '; } $photos .= '><img src="' . esc_url( $src, array( 'http', 'https' ) ) . '" '; $photos .= 'alt="' . esc_attr( $photo->get_title() ) . '" '; $photos .= 'title="' . esc_attr( $photo->get_title() ) . '" '; $photos .= ' /></a>'; } if ( ! empty( $photos ) && class_exists( 'Jetpack_Photon' ) && Jetpack::is_module_active( 'photon' ) ) { $photos = Jetpack_Photon::filter_the_content( $photos ); } $flickr_home = $rss->get_link(); // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Used in flickr/widget.php template file. } echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped if ( empty( $photos ) ) { if ( current_user_can( 'edit_theme_options' ) ) { printf( '<p>%1$s<br />%2$s</p>', esc_html__( 'There are no photos to display. Make sure your Flickr feed URL is correct, and that your pictures are publicly accessible.', 'jetpack' ), esc_html__( '(Only admins can see this message)', 'jetpack' ) ); } } else { echo $args['before_title'] . $instance['title'] . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped require __DIR__ . '/flickr/widget.php'; } echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped /** This action is already documented in modules/widgets/gravatar-profile.php */ do_action( 'jetpack_stats_extra', 'widget_view', 'flickr' ); } /** * Back-end widget form. * * @param array $instance Previously saved values from database. */ public function form( $instance ) { $instance = wp_parse_args( $instance, $this->defaults() ); require __DIR__ . '/flickr/form.php'; } /** * Sanitize widget form values as they are saved. * * @param array $new_instance Values just sent to be saved. * @param array $old_instance Previously saved values from database. * @return array Updated safe values to be saved. */ public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable $instance = array(); if ( isset( $new_instance['title'] ) ) { $instance['title'] = wp_kses( $new_instance['title'], array() ); } if ( isset( $new_instance['items'] ) ) { $instance['items'] = (int) $new_instance['items']; } if ( isset( $new_instance['target'] ) ) { $instance['target'] = (bool) $new_instance['target']; } if ( isset( $new_instance['flickr_image_size'] ) && in_array( $new_instance['flickr_image_size'], array( 'thumbnail', 'small', 'large' ), true ) ) { $instance['flickr_image_size'] = $new_instance['flickr_image_size']; } else { $instance['flickr_image_size'] = 'thumbnail'; } if ( isset( $new_instance['flickr_rss_url'] ) ) { $instance['flickr_rss_url'] = esc_url( $new_instance['flickr_rss_url'], array( 'http', 'https' ) ); if ( strlen( $instance['flickr_rss_url'] ) < 10 ) { $instance['flickr_rss_url'] = ''; } } return $instance; } } /** * Register Jetpack_Flickr_Widget widget. */ function jetpack_register_flickr_widget() { register_widget( 'Jetpack_Flickr_Widget' ); } add_action( 'widgets_init', 'jetpack_register_flickr_widget' ); }