photonic / Photonic_Template.php

Photonic_Template.php in Photonic Gallery & Lightbox for Flickr, SmugMug & Others 2.33, at Photonic_Template.php

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1	<?php
2	namespace Photonic_Plugin;
3
4	use stdClass;
5
6	/**
7	* Class Photonic_Template
8	* Used for cases where clicking on an album link opens a Photonic gallery on its own page. This is triggered when the shortcode attribute
9	* <code>popup='page'</code> is set
10	*
11	* This functionality is work in progress and has not been tested. Hence this file is not loaded as a part of Photonic for now.
12	*
13	* @package Photonic_Plugin
14	*/
15	class Photonic_Template {
16	public function __construct() {
17	// Future functionality... will be added in the next version.
18	// add_filter('the_posts', array($this, 'check_and_load_template'));
19	}
20
21	/**
22	* Internally registers pages we want to fake. Array key is the slug under which it is being available from the frontend
23	* @return mixed
24	*/
25	private static function get_fake_pages() {
26	//http://example.com/fakepage1
27	$fake_pages['photonic-gallery'] = array(
28	'title' => __('Photonic Gallery', 'photonic'),
29	'content' => 'This is dummy content in a fake page'
30	);
31	return $fake_pages;
32	}
33
34	/**
35	* Fakes get posts result
36	*
37	* @param $posts
38	*
39	* @return array\|null
40	*/
41	public function check_and_load_template($posts) {
42	global $wp, $wp_query, $photonic_gallery_page;
43
44	$fake_pages = self::get_fake_pages();
45
46	$gallery_page = strtolower($photonic_gallery_page);
47	if ($gallery_page === strtolower($wp->request) \|\|
48	(isset($wp->query_vars['page_id']) && strtolower($wp->query_vars['page_id']) === $gallery_page)) {
49	$posts = null;
50	$posts[] = self::create_gallery_page($fake_pages[$gallery_page]);
51	$wp_query->is_page = true;
52	$wp_query->is_singular = true;
53	$wp_query->is_home = false;
54	$wp_query->is_archive = false;
55	$wp_query->is_category = false;
56	$wp_query->photonic_template = $wp->request;
57	//Longer permalink structures may not match the fake post slug and cause a 404 error so we catch the error here
58	unset($wp_query->query["error"]);
59	$wp_query->query_vars["error"] = "";
60	$wp_query->is_404 = false;
61	}
62
63	return $posts;
64	}
65
66	/**
67	* Creates virtual fake page
68	*
69	* @param $page
70	*
71	* @return stdClass
72	*/
73	private static function create_gallery_page($page) {
74	global $photonic_alternative_shortcode, $photonic_gallery_page;
75	$gallery_page = strtolower($photonic_gallery_page);
76	$shortcode_tag = $photonic_alternative_shortcode ?: 'gallery';
77	$post = new stdClass;
78	$post->post_author = 1;
79	$post->post_name = $gallery_page;
80	$post->guid = get_bloginfo('wpurl') . '/' . $gallery_page;
81
82	if (isset($_REQUEST['photonic_gallery'])) {
83	$shortcode = $_REQUEST['photonic_gallery'];
84	$shortcode = base64_decode($shortcode);
85
86	// Input is coming via a URL, so we have to ensure it is safe.
87	// The input is expected to be a Photonic shortcode, so the simplest way is to strip out all instances of the Photonic
88	// shortcode and verify that the input is blank. If it is blank, then all that the input had was a Photonic shortcode.
89	$content_without_shortcodes = strip_shortcodes($shortcode);
90	if (!empty(trim($shortcode)) && has_shortcode($shortcode, $shortcode_tag) && empty(trim($content_without_shortcodes))) {
91	// Looks good. Let's proceed.
92	$post->post_title = $page['title'];
93	$post->post_content = $shortcode;
94	}
95	else {
96	// Input looks funny. Stay safe and exit
97	$post->post_title = esc_html__('Nothing found!', 'photonic');
98	$post->post_content = esc_html__('You are trying to display a gallery, but no gallery was found corresponding to the input.', 'photonic');
99	}
100	}
101	else {
102	// Input is blank. Show nothing and exit
103	$post->post_title = esc_html__('Nothing found!', 'photonic');
104	$post->post_content = esc_html__('You are trying to display a gallery, but no input was provided.', 'photonic');
105	}
106
107	$post->ID = -1729; // Arbitrary number; picking Ramanujan's number :-)
108	$post->post_status = 'static';
109	$post->comment_status = 'closed';
110	$post->ping_status = 'closed';
111	$post->comment_count = 0;
112	$post->post_date = current_time('mysql');
113	$post->post_date_gmt = current_time('mysql', 1);
114
115	return $post;
116	}
117	}
118
119	new Photonic_Template();