conversational-forms / classes / cdn.php

cdn.php in WPBot – ChatBot Conversational Forms 1.2.0, at classes/cdn.php

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1	<?php
2	/**
3	* Base class for CDN integrations
4	*
5	* @package Caldera_Forms Modified by QuantumCloud
6	* @author Josh Pollock <Josh@CalderaWP.com>
7	* @license GPL-2.0+
8	* @link
9	* @copyright 2017 CalderaWP LLC
10	*/
11
12	abstract class Qcformbuilder_Forms_CDN implements Qcformbuilder_Forms_CDN_Contract{
13
14	/**
15	* Slugs of all registered styles
16	*
17	* @since 1.5.3
18	*
19	* @var array
20	*/
21	protected $style_slugs;
22
23	/**
24	* Slugs of all registered scripts
25	*
26	* @since 1.5.3
27	*
28	* @var array
29	*/
30	protected $script_slugs;
31
32	/**
33	* Current version
34	*
35	* @since 1.5.3
36	*
37	* @var string
38	*/
39	protected $version;
40
41	/**
42	* Version to provide to CDN
43	*
44	* @since 1.5.3
45	*
46	* @var string
47	*/
48	protected $cdn_version;
49
50	/**
51	* Url for Qcformbuilder Forms dir to be replaces
52	*
53	* @since 1.5.3
54	*
55	* @var string
56	*/
57	protected $base_url;
58
59	/**
60	* Transfer protocol
61	*
62	* @since 1.5.3
63	*
64	* @var string
65	*/
66	protected $protocol;
67
68	/**
69	* Qcformbuilder_Forms_CDN constructor.
70	*
71	* @since 1.5.3
72	*
73	* @param $base_url
74	* @param $version
75	*/
76	public function __construct( $base_url, $version){
77	$this->base_url = $base_url;
78	$this->version = $version;
79	$this->set_protocol();
80	$this->set_cdn_version();
81	}
82
83	/**
84	* Add hooks
85	*
86	* @since 1.5.3
87	*/
88	public function add_hooks(){
89	add_filter( 'qcformbuilder_forms_script_urls', array( $this, 'filter_script_urls' ) );
90	add_filter( 'qcformbuilder_forms_style_urls', array( $this, 'filter_style_urls' ) );
91	}
92
93	/**
94	* Remove hooks
95	*
96	* @since 1.5.3
97	*/
98	public function remove_hooks(){
99	remove_filter( 'qcformbuilder_forms_script_urls', array( $this, 'filter_script_urls' ) );
100	remove_filter( 'qcformbuilder_forms_style_urls', array( $this, 'filter_style_urls' ) );
101	}
102
103	/**
104	* Replace urls for scripts
105	*
106	* @uses "qcformbuilder_forms_script_urls" filter
107	*
108	* @since 1.5.3
109	*
110	* @param array $urls Array of slug => url
111	*
112	* @return array
113	*/
114	public function filter_script_urls( $urls ){
115	$this->script_slugs = array_keys( $urls );
116	return $this->replace_urls( $urls );
117	}
118
119	/**
120	* Replace urls for styles
121	*
122	* @uses "qcformbuilder_forms_style_urls" filter
123	*
124	* @since 1.5.3
125	*
126	* @param array $urls Array of slug => url
127	*
128	* @return array
129	*/
130	public function filter_style_urls( $urls ){
131	$this->style_slugs = array_keys( $urls );
132
133	return $this->replace_urls( $urls );
134	}
135
136	/**
137	* Replace all urls in an array with CDN url
138	*
139	* @since 1.5.3
140	*
141	* @param array $urls Array of slug => url
142	*
143	* @return array
144	*/
145	protected function replace_urls( $urls ){
146	foreach ( $urls as $slug => $url ) {
147	$urls[ $slug ] = $this->replace_url( $url );
148	}
149
150	return $urls;
151	}
152
153
154
155	/**
156	* Replace one URL with CDN url
157	*
158	* @since 1.5.3
159	*
160	* @param string $url The URL
161	*
162	* @return string
163	*/
164	protected function replace_url( $url ){
165	return str_replace( $this->base_url, $this->protocol . $this->cdn_url(), $url );
166	}
167
168	/**
169	* Set the protocol property based on is_ssl()
170	*
171	* @since 1.5.3
172	*/
173	protected function set_protocol(){
174	if( is_ssl() ){
175	$this->protocol = 'https:';
176	}else{
177	$this->protocol = 'http:';
178	}
179
180	/**
181	* Change protocol for CDN links
182	*
183	* Should not be needed, but WordPress' is_ssl() is sometimes wrong.
184	*
185	* @since 1.5.3
186	*
187	* NOTE: return with : IE http: or https"
188	*/
189	$this->protocol = apply_filters( 'qcformbuilder_forms_cdn_protocol', $this->protocol );
190	}
191
192	/**
193	* Set version to use with CDN
194	*
195	* @since 1.5.3
196	*/
197	protected function set_cdn_version(){
198	/**
199	* Use to set version of scripts and styles to request via CDN
200	*
201	* If you have checked out Qcformbuilder Forms from Github and are on master branch current version might not exist in CDN yet, setting to "latest" will pull latest form Github
202	*
203	* @since 1.5.3
204	*/
205	$this->cdn_version = apply_filters( 'qcformbuilder_forms_cdn_version', $this->version );
206	}
207
208	}