wp-optimize / central / updraftplus.php

updraftplus.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.21, at central/updraftplus.php

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1	<?php
2
3	if (class_exists('UpdraftPlus_Host')) return;
4
5	if (!defined('UPDRAFTCENTRAL_CLIENT_DIR')) define('UPDRAFTCENTRAL_CLIENT_DIR', dirname(__FILE__));
6	if (!defined('UPDRAFTCENTRAL_CLIENT_URL')) define('UPDRAFTCENTRAL_CLIENT_URL', plugins_url('', __FILE__));
7	if (!class_exists('UpdraftCentral_Host')) {
8	include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/host.php');
9	}
10
11	/**
12	* This class is the basic bridge between UpdraftCentral and UpdraftPlus.
13	*/
14	class UpdraftPlus_Host extends UpdraftCentral_Host {
15
16	public $plugin_name = 'updraftplus';
17
18	public $translations = array();
19
20	protected static $_instance = null;
21
22	/**
23	* Creates an instance of this class. Singleton Pattern
24	*
25	* @return object Instance of this class
26	*/
27	public static function instance() {
28	if (empty(self::$_instance)) {
29	self::$_instance = new self();
30	}
31
32	return self::$_instance;
33	}
34
35	/**
36	* Class constructor
37	*/
38	public function __construct() {
39	parent::__construct();
40
41	add_action('updraftplus_debugtools_dashboard', array($this, 'debugtools_dashboard'), 20);
42
43	$this->maybe_initialize_required_objects();
44	}
45
46	/**
47	* Loads the UpdraftCentral_Main instance
48	*
49	* @return void
50	*/
51	public function load_updraftcentral() {
52	$central_path = $this->is_host_dir_set() ? trailingslashit(UPDRAFTPLUS_DIR) : '';
53
54	if (file_exists($central_path.'central/bootstrap.php')) {
55	include_once($central_path.'central/bootstrap.php');
56	}
57	}
58
59	/**
60	* Whether the current user can perform key control AJAX actions
61	*
62	* @return Boolean
63	*/
64	public function current_user_can_ajax() {
65	return UpdraftPlus_Options::user_can_manage();
66	}
67
68	/**
69	* Below are interface methods' implementations that are required by UpdraftCentral to function properly. Please
70	* see the "interface.php" to check all the required interface methods.
71	*/
72
73	/**
74	* Checks whether the plugin's DIR constant is currently define or not
75	*
76	* @return bool
77	*/
78	public function is_host_dir_set() {
79	return defined('UPDRAFTPLUS_DIR') ? true : false;
80	}
81
82	/**
83	* Get the host plugin's dir path
84	*
85	* @return string
86	*/
87	public function get_host_dir() {
88	return defined('UPDRAFTPLUS_DIR') ? UPDRAFTPLUS_DIR : dirname(dirname(__FILE__));
89	}
90
91	/**
92	* Retrieves the filter used by UpdraftPlus to log errors or certain events
93	*
94	* @return string
95	*/
96	public function get_logline_filter() {
97	return 'updraftplus_logline';
98	}
99
100	/**
101	* Checks whether debug mod is set
102	*
103	* @return bool
104	*/
105	public function get_debug_mode() {
106	if (class_exists('UpdraftPlus_Options')) {
107	return UpdraftPlus_Options::get_updraft_option('updraft_debug_mode');
108	}
109	return false;
110	}
111
112	/**
113	* Used as a central location (to avoid repetition) to register or de-register hooks into the WP HTTP API
114	*
115	* @param bool $register True to register, false to de-register
116	* @return void
117	*/
118	public function register_wp_http_option_hooks($register = true) {
119	global $updraftplus;
120
121	if ($updraftplus) {
122	$updraftplus->register_wp_http_option_hooks($register);
123	}
124	}
125
126	/**
127	* Retrieves the class name of the host plugin
128	*
129	* @return string\|bool
130	*/
131	public function get_class_name() {
132	global $updraftplus;
133
134	if ($updraftplus) {
135	return get_class($updraftplus);
136	}
137
138	return false;
139	}
140
141	/**
142	* Returns the instance of the host plugin
143	*
144	* @return object\|bool
145	*/
146	public function get_instance() {
147	global $updraftplus;
148
149	if ($updraftplus) {
150	return $updraftplus;
151	}
152
153	return false;
154	}
155
156	/**
157	* Returns the admin instance of the host plugin
158	*
159	* @return object\|bool
160	*/
161	public function get_admin_instance() {
162	global $updraftplus_admin;
163
164	if ($updraftplus_admin) {
165	return $updraftplus_admin;
166	} else {
167	if (defined('UPDRAFTPLUS_DIR') && file_exists(UPDRAFTPLUS_DIR.'/admin.php')) {
168	updraft_try_include_file('admin.php', 'include_once');
169	$updraftplus_admin = new UpdraftPlus_Admin();
170	return $updraftplus_admin;
171	}
172	}
173
174	return false;
175	}
176
177	/**
178	* Logs the given line
179	*
180	* @param string $line The log line
181	* @param string $level The log level: notice, warning, error, etc.
182	* @param boolean\|string $uniq_id Each of these will only be logged once
183	*
184	* @return void
185	*/
186	public function log($line, $level = 'notice', $uniq_id = false) {
187	global $updraftplus;
188
189	if ($updraftplus) {
190	if (is_callable(array($updraftplus, 'log'))) {
191	call_user_func(array($updraftplus, 'log'), $line, $level, $uniq_id);
192	}
193	}
194	}
195
196	/**
197	* Returns the current version of the host plugin
198	*
199	* @return string\|bool
200	*/
201	public function get_version() {
202	global $updraftplus;
203
204	if ($updraftplus) {
205	return $updraftplus->version;
206	}
207
208	return false;
209	}
210
211	/**
212	* Returns the filesystem class of the host's plugin
213	*
214	* @return class\|bool
215	*/
216	public function get_filesystem_functions() {
217	if ($this->has_filesystem_functions()) {
218	return UpdraftPlus_Filesystem_Functions;
219	}
220
221	return false;
222	}
223
224	/**
225	* Checks whether the filesystem class of the host plugin exists
226	*
227	* @return bool
228	*/
229	public function has_filesystem_functions() {
230	return class_exists('UpdraftPlus_Filesystem_Functions');
231	}
232
233	/**
234	* Checks whether force debugging is set
235	*
236	* @return bool
237	*/
238	public function is_force_debug() {
239	return (defined('UPDRAFTPLUS_UDRPC_FORCE_DEBUG') && UPDRAFTPLUS_UDRPC_FORCE_DEBUG) ? true : false;
240	}
241
242	/**
243	* Initializes required objects (if not yet initialized) for UpdraftCentral usage
244	*
245	* @return void
246	*/
247	private function maybe_initialize_required_objects() {
248	global $updraftplus;
249
250	if (!class_exists('UpdraftPlus')) {
251	if (defined('UPDRAFTPLUS_DIR') && file_exists(UPDRAFTPLUS_DIR.'/class-updraftplus.php')) {
252	updraft_try_include_file('class-updraftplus.php', 'include_once');
253	if (empty($updraftplus) \|\| !is_a($updraftplus, 'UpdraftPlus')) {
254	$updraftplus = new UpdraftPlus();
255	}
256	}
257	}
258
259	if (!class_exists('UpdraftPlus_Options')) {
260	if (defined('UPDRAFTPLUS_DIR') && file_exists(UPDRAFTPLUS_DIR.'/options.php')) {
261	updraft_try_include_file('options.php', 'require_once');
262	}
263	}
264
265	if (!class_exists('UpdraftPlus_Filesystem_Functions')) {
266	if (defined('UPDRAFTPLUS_DIR') && file_exists(UPDRAFTPLUS_DIR.'/includes/class-filesystem-functions.php')) {
267	updraft_try_include_file('includes/class-filesystem-functions.php', 'require_once');
268	}
269	}
270
271	// Load updraftplus translations
272	if (defined('UPDRAFTCENTRAL_CLIENT_DIR') && file_exists(UPDRAFTCENTRAL_CLIENT_DIR.'/translations-central.php')) {
273	$this->translations = include_once(UPDRAFTCENTRAL_CLIENT_DIR.'/translations-central.php');
274	}
275	}
276	}
277