wp-optimize / vendor / team-updraft / lib-central / central / bootstrap.php

bootstrap.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.7.0, at vendor/team-updraft/lib-central/central/bootstrap.php

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1	<?php
2
3	if (!defined('ABSPATH')) die('No direct access.');
4
5	global $updraftcentral_host_plugin;
6	if (!$updraftcentral_host_plugin->is_host_dir_set()) die('No access.');
7
8	// This file is included during plugins_loaded
9
10	// Load the listener class that we rely on to pick up messages
11	if (!class_exists('UpdraftCentral_Listener')) require_once('listener.php');
12
13	// We exit if class already exists. More common if two or more plugins integrated
14	// the same `UpdraftCentral` client folder.
15	if (!class_exists('UpdraftCentral_Main')) :
16
17	class UpdraftCentral_Main {
18
19	/**
20	* Class constructor
21	*/
22	public function __construct() {
23
24	add_action('udrpc_log', array($this, 'udrpc_log'), 10, 3);
25
26	add_action('wp_ajax_updraftcentral_receivepublickey', array($this, 'wp_ajax_updraftcentral_receivepublickey'));
27	add_action('wp_ajax_nopriv_updraftcentral_receivepublickey', array($this, 'wp_ajax_updraftcentral_receivepublickey'));
28
29	// The host plugin's command class is registered in its "plugins_loaded" method (e.g. UpdraftPlus::plugins_loaded()).
30	//
31	// N.B. The new filter "updraftcentral_remotecontrol_command_classes" was introduced on Jan. 2021 and will soon replace the
32	// old filter "updraftplus_remotecontrol_command_classes" (below). This was done in order to synchronize all available filters
33	// and actions related to UpdraftCentral so that we can easily port the UpdraftCentral client code into our other plugins.
34	//
35	// If you happened to use the old filter from any of your projects then you might as well update it with the new filter as the
36	// old filter has already been marked as deprecated, though currently supported as can be seen below but will soon be remove
37	// from this code block.
38	$command_classes = apply_filters('updraftcentral_remotecontrol_command_classes', array(
39	'core' => 'UpdraftCentral_Core_Commands',
40	'updates' => 'UpdraftCentral_Updates_Commands',
41	'users' => 'UpdraftCentral_Users_Commands',
42	'comments' => 'UpdraftCentral_Comments_Commands',
43	'analytics' => 'UpdraftCentral_Analytics_Commands',
44	'plugin' => 'UpdraftCentral_Plugin_Commands',
45	'theme' => 'UpdraftCentral_Theme_Commands',
46	'posts' => 'UpdraftCentral_Posts_Commands',
47	'media' => 'UpdraftCentral_Media_Commands',
48	'pages' => 'UpdraftCentral_Pages_Commands'
49	));
50
51	// N.B. This "updraftplus_remotecontrol_command_classes" filter has been marked as deprecated and will be remove after May 2021.
52	// Please see above code comment for further explanation and its alternative.
53	$command_classes = apply_filters('updraftplus_remotecontrol_command_classes', $command_classes);
54
55	// If nothing was sent, then there is no incoming message, so no need to set up a listener (or CORS request, etc.). This avoids a DB SELECT query on the option below in the case where it didn't get autoloaded, which is the case when there are no keys.
56	if (!empty($_SERVER['REQUEST_METHOD']) && ('GET' == $_SERVER['REQUEST_METHOD'] \|\| 'POST' == $_SERVER['REQUEST_METHOD']) && (empty($_REQUEST['action']) \|\| 'updraft_central' !== $_REQUEST['action']) && empty($_REQUEST['udcentral_action']) && empty($_REQUEST['udrpc_message'])) return;
57
58	// Remote control keys
59	// These are different from the remote send keys, which are set up in the Migrator add-on
60	$our_keys = $this->get_central_localkeys();
61
62	if (is_array($our_keys) && !empty($our_keys)) {
63	new UpdraftCentral_Listener($our_keys, $command_classes);
64	}
65
66	}
67
68	/**
69	* Enqueues the needed styles and scripts for UpdraftCentral
70	*
71	* @return void
72	*/
73	public function enqueue_central_scripts() {
74
75	// This is an additional check; the caller is assumed to have already run checks before painting its page in general
76	if (!current_user_can('manage_options')) return;
77
78	global $updraftcentral_host_plugin;
79	$version = $updraftcentral_host_plugin->get_version();
80
81	$enqueue_version = (defined('WP_DEBUG') && WP_DEBUG) ? $version.'.'.time() : $version;
82	$min_or_not = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '.min';
83
84	// Fallback to unminified version if the minified version is not found.
85	if (!empty($min_or_not) && !file_exists(UPDRAFTCENTRAL_CLIENT_DIR.'/js/central'.$min_or_not.'.js')) {
86	$min_or_not = '';
87	}
88
89	wp_enqueue_script('updraft-central', UPDRAFTCENTRAL_CLIENT_URL.'/js/central'.$min_or_not.'.js', array(), $enqueue_version);
90	wp_enqueue_style('updraft-central', UPDRAFTCENTRAL_CLIENT_URL.'/css/central'.$min_or_not.'.css', array(), $enqueue_version);
91
92	$localize = array_merge(
93	array(
94	'central_url' => UPDRAFTCENTRAL_CLIENT_URL,
95	'plugin_name' => $updraftcentral_host_plugin->get_plugin_name(),
96	'updraftcentral_request_nonce' => wp_create_nonce('updraftcentral-request-nonce'),
97	),
98	$updraftcentral_host_plugin->translations
99	);
100
101	wp_localize_script('updraft-central', 'uclion', apply_filters('updraftcentral_uclion', $localize));
102	}
103
104	/**
105	* Retrieves current clean url for anchor link where href attribute value is not url (for ex. #div) or empty. Output is not escaped (caller should escape).
106	*
107	* @return String - current clean url
108	*/
109	public function get_current_clean_url() {
110
111	// Within an UpdraftCentral context, there should be no prefix on the anchor link
112	if (defined('UPDRAFTCENTRAL_COMMAND') && UPDRAFTCENTRAL_COMMAND \|\| defined('WP_CLI') && WP_CLI) return '';
113
114	if (defined('DOING_AJAX') && DOING_AJAX && !empty($_SERVER['HTTP_REFERER'])) {
115	$current_url = $_SERVER['HTTP_REFERER'];
116	} else {
117	$url_prefix = is_ssl() ? 'https' : 'http';
118	$host = empty($_SERVER['HTTP_HOST']) ? parse_url(network_site_url(), PHP_URL_HOST) : $_SERVER['HTTP_HOST'];
119	$current_url = $url_prefix."://".$host.wp_unslash($_SERVER['REQUEST_URI']);
120	}
121	$remove_query_args = array('state', 'action', 'oauth_verifier', 'nonce', 'updraftplus_instance', 'access_token', 'user_id', 'updraftplus_googledriveauth');
122
123	$query_string = remove_query_arg($remove_query_args, $current_url);
124	return function_exists('wp_unslash') ? wp_unslash($query_string) : stripslashes_deep($query_string);
125	}
126
127	/**
128	* Get the WordPress version
129	*
130	* @return String - the version
131	*/
132	public function get_wordpress_version() {
133	static $got_wp_version = false;
134	if (!$got_wp_version) {
135	@include(ABSPATH.WPINC.'/version.php');// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged -- Silenced to suppress errors that may arise because of the function.
136	$got_wp_version = $wp_version;// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable -- The variable is defined inside the ABSPATH.WPINC.'/version.php'.
137	}
138	return $got_wp_version;
139	}
140
141	/**
142	* Retrieves the UpdraftCentral generated keys
143	*
144	* @param Mixed $default default value to return when option is not found
145	*
146	* @return Mixed
147	*/
148	private function get_central_localkeys($default = null) {
149
150	$option = 'updraft_central_localkeys';
151	$ret = get_option($option, $default);
152	return apply_filters('updraftcentral_get_option', $ret, $option, $default);
153	}
154
155	/**
156	* Updates the UpdraftCentral's keys
157	*
158	* @param string $value Specify option value
159	* @param bool $use_cache Whether or not to use the WP options cache
160	* @param string $autoload Whether to autoload (only takes effect on a change of value)
161	*
162	* @return bool
163	*/
164	private function update_central_localkeys($value, $use_cache = true, $autoload = 'yes') {
165	$option = 'updraft_central_localkeys';
166
167	return update_option($option, apply_filters('updraftcentral_update_option', $value, $option, $use_cache), $autoload);
168	}
169
170	/**
171	* Receive a new public key in $_GET, and echo a response. Will die() if called.
172	*/
173	public function wp_ajax_updraftcentral_receivepublickey() {
174	global $updraftcentral_host_plugin;
175
176	// The actual nonce check is done in the method below
177	if (empty($_GET['_wpnonce']) \|\| empty($_GET['public_key']) \|\| !isset($_GET['updraft_key_index'])) die;
178
179	$result = $this->receive_public_key();
180	if (!is_array($result) \|\| empty($result['responsetype'])) die;
181
182	$style = 'body {text-align: center;font-family: Helvetica,Arial,Lucida,sans-serif;background-color: #A64C1A;color: #FFF;height: 100%;width: 100%;margin: 0;padding: 0;}#main {height: 100%;width: 100%;display: table;}#wrapper {display: table-cell;height: 100%;vertical-align: middle;}h1 {margin-bottom: 5px;}h2 {margin-top: 0;font-size: 22px;color: #FFF;}#btn-close {color: #FFF;font-size: 20px;font-weight: 500;padding: .3em 1em;line-height: 1.7em !important;background-color: transparent;background-size: cover;background-position: 50%;background-repeat: no-repeat;border: 2px solid;border-radius: 3px;-webkit-transition-duration: .2s;transition-duration: .2s;-webkit-transition-property: all !important;transition-property: all !important;text-decoration: none;}#btn-close:hover {background-color: #DE6726;}';
183
184	echo '<html><head><title>UpdraftCentral</title><style>'.$style.'</style></head><body><div id="main"><div id="wrapper"><img src="'.UPDRAFTCENTRAL_CLIENT_URL.'/images/ud-logo.png" width="60" /> <h1>'.$updraftcentral_host_plugin->retrieve_show_message('updraftcentral_connection').'</h1><h2>'.htmlspecialchars(network_site_url()).'</h2><p>';
185
186	if ('ok' == $result['responsetype']) {
187	$updraftcentral_host_plugin->retrieve_show_message('updraftcentral_connection_successful', true);
188	} else {
189	echo '<strong><span id="udc-connect-failed">'.$updraftcentral_host_plugin->retrieve_show_message('updraftcentral_connection_failed').'</span></strong><br>';
190	switch ($result['code']) {
191	case 'unknown_key':
192	$updraftcentral_host_plugin->retrieve_show_message('unknown_key', true);
193	break;
194	case 'not_logged_in':
195	echo $updraftcentral_host_plugin->retrieve_show_message('not_logged_in').' '.$updraftcentral_host_plugin->retrieve_show_message('must_visit_url');
196	break;
197	case 'nonce_failure':
198	$updraftcentral_host_plugin->retrieve_show_message('security_check', true);
199	$updraftcentral_host_plugin->retrieve_show_message('must_visit_link', true);
200	break;
201	case 'already_have':
202	$updraftcentral_host_plugin->retrieve_show_message('connection_already_made', true);
203	break;
204	case 'insufficient_privilege':
205	$updraftcentral_host_plugin->retrieve_show_message('insufficient_privilege', true);
206	break;
207	default:
208	echo htmlspecialchars(print_r($result, true));
209	break;
210	}
211	}
212
213	echo '</p><p><a id="btn-close" href="'.esc_url($this->get_current_clean_url()).'" onclick="window.close();">'.$updraftcentral_host_plugin->retrieve_show_message('close').'</a></p></div></div>';
214	die;
215	}
216
217	/**
218	* Checks _wpnonce, and if successful, saves the public key found in $_GET
219	*
220	* @return Array - with keys responsetype (can be 'error' or 'ok') and code, indicating whether the parse was successful
221	*/
222	private function receive_public_key() {
223
224	if (!is_user_logged_in()) {
225	return array('responsetype' => 'error', 'code' => 'not_logged_in');
226	}
227
228	if (!wp_verify_nonce($_GET['_wpnonce'], 'updraftcentral_receivepublickey')) return array('responsetype' => 'error', 'code' => 'nonce_failure');
229
230	$updraft_key_index = $_GET['updraft_key_index'];
231	$our_keys = $this->get_central_localkeys();
232
233	if (!is_array($our_keys)) $our_keys = array();
234
235	if (!isset($our_keys[$updraft_key_index])) {
236	return array('responsetype' => 'error', 'code' => 'unknown_key');
237	}
238
239	if (!empty($our_keys[$updraft_key_index]['publickey_remote'])) {
240	return array('responsetype' => 'error', 'code' => 'already_have');
241	}
242
243	$our_keys[$updraft_key_index]['publickey_remote'] = base64_decode(stripslashes($_GET['public_key']));
244	$this->update_central_localkeys($our_keys, true, 'no');
245
246	return array('responsetype' => 'ok', 'code' => 'ok');
247	}
248
249	/**
250	* Action parameters, from udrpc: $message, $level, $this->key_name_indicator, $this->debug, $this
251	*
252	* @param string $message The log message
253	* @param string $level Log level
254	* @param string $key_name_indicator This indicates the key name
255	*/
256	public function udrpc_log($message, $level, $key_name_indicator) {
257
258	$udrpc_log = get_site_option('updraftcentral_client_log');
259	if (!is_array($udrpc_log)) $udrpc_log = array();
260
261	$new_item = array(
262	'time' => time(),
263	'level' => $level,
264	'message' => $message,
265	'key_name_indicator' => $key_name_indicator
266	);
267
268	if (!empty($_SERVER['REMOTE_ADDR'])) {
269	$new_item['remote_ip'] = $_SERVER['REMOTE_ADDR'];
270	}
271	if (!empty($_SERVER['HTTP_USER_AGENT'])) {
272	$new_item['http_user_agent'] = $_SERVER['HTTP_USER_AGENT'];
273	}
274	if (!empty($_SERVER['HTTP_X_SECONDARY_USER_AGENT'])) {
275	$new_item['http_secondary_user_agent'] = $_SERVER['HTTP_X_SECONDARY_USER_AGENT'];
276	}
277
278	$udrpc_log[] = $new_item;
279
280	if (count($udrpc_log) > 50) array_shift($udrpc_log);
281
282	update_site_option('updraftcentral_client_log', $udrpc_log);
283	}
284
285	/**
286	* Delete UpdraftCentral Key
287	*
288	* @param array $key_id key_id of UpdraftCentral
289	*
290	* @return array which contains deleted flag and key table. If error, Returns array which contains fatal_error flag and fatal_error_message
291	*/
292	public function delete_key($key_id) {
293
294	$our_keys = $this->get_central_localkeys();
295	if (is_array($key_id) && isset($key_id['key_id'])) {
296	$key_id = $key_id['key_id'];
297	}
298
299	if (!is_array($our_keys)) $our_keys = array();
300	if (isset($our_keys[$key_id])) {
301	unset($our_keys[$key_id]);
302	$this->update_central_localkeys($our_keys);
303	}
304	return array('deleted' => 1, 'keys_table' => $this->get_keys_table());
305	}
306
307	/**
308	* Get UpdraftCentral Log
309	*
310	* @return array which contains log_contents. If error, Returns array which contains fatal_error flag and fatal_error_message
311	*/
312	public function get_log() {
313
314	global $updraftcentral_host_plugin;
315
316	$udrpc_log = get_site_option('updraftcentral_client_log');
317	if (!is_array($udrpc_log)) $udrpc_log = array();
318
319	$log_contents = '';
320
321	// Events are appended to the array in the order they happen. So, reversing the order gets them into most-recent-first order.
322	rsort($udrpc_log);
323
324	if (empty($udrpc_log)) {
325	$log_contents = '<em>'.$updraftcentral_host_plugin->retrieve_show_message('nothing_yet_logged').'</em>';
326	}
327
328	foreach ($udrpc_log as $m) {
329
330	// Skip invalid data
331	if (!isset($m['time'])) continue;
332
333	$time = gmdate('Y-m-d H:i:s O', $m['time']);
334	// $level is not used yet. We could put the message in different colours for different levels, if/when it becomes used.
335
336	$key_name_indicator = empty($m['key_name_indicator']) ? '' : $m['key_name_indicator'];
337
338	$log_contents .= '<span title="'.esc_attr(print_r($m, true)).'">'."$time ";
339
340	if (!empty($m['remote_ip'])) $log_contents .= '['.htmlspecialchars($m['remote_ip']).'] ';
341
342	$log_contents .= "[".htmlspecialchars($key_name_indicator)."] ".htmlspecialchars($m['message'])."</span>\n";
343	}
344
345	return array('log_contents' => $log_contents);
346
347	}
348
349	public function create_key($params) {
350
351	global $updraftcentral_host_plugin;
352
353	// Use the site URL - this means that if the site URL changes, communication ends; which is the case anyway
354	$user = wp_get_current_user();
355
356	if (!is_object($user) \|\| empty($user->ID)) return array('error' => $updraftcentral_host_plugin->retrieve_show_message('insufficient_privilege'));
357
358	if (!current_user_can('manage_options')) return array('error' => $updraftcentral_host_plugin->retrieve_show_message('insufficient_privilege'));
359
360	$where_send = empty($params['where_send']) ? '' : (string) $params['where_send'];
361
362	if ('__updraftpluscom' != $where_send) {
363	$purl = parse_url($where_send);
364	if (empty($purl) \|\| !array($purl) \|\| empty($purl['scheme']) \|\| empty($purl['host'])) return array('error' => $updraftcentral_host_plugin->retrieve_show_message('invalid_url'));
365	}
366
367	// ENT_HTML5 exists only on PHP 5.4+
368	// @codingStandardsIgnoreLine
369	$flags = defined('ENT_HTML5') ? ENT_QUOTES \| ENT_HTML5 : ENT_QUOTES;
370
371	$extra_info = array(
372	'user_id' => $user->ID,
373	'user_login' => $user->user_login,
374	'ms_id' => get_current_blog_id(),
375	'site_title' => html_entity_decode(get_bloginfo('name'), $flags),
376	);
377
378	if ($where_send) {
379	$extra_info['mothership'] = $where_send;
380	if (!empty($params['mothership_firewalled'])) {
381	$extra_info['mothership_firewalled'] = true;
382	}
383	}
384
385	if (!empty($params['key_description'])) {
386	$extra_info['name'] = (string) $params['key_description'];
387	}
388
389	$key_size = (empty($params['key_size']) \|\| !is_numeric($params['key_size']) \|\| $params['key_size'] < 512) ? 2048 : (int) $params['key_size'];
390
391	$extra_info['key_size'] = $key_size;
392
393	$created = $this->create_remote_control_key(false, $extra_info, $where_send);
394
395	if (is_array($created)) {
396	$created['keys_table'] = $this->get_keys_table();
397
398	$created['keys_guide'] = '<h2 class="updraftcentral_wizard_success">'. $updraftcentral_host_plugin->retrieve_show_message('updraftcentral_key_created') .'</h2>';
399
400	if ('__updraftpluscom' != $where_send) {
401	$created['keys_guide'] .= '<div class="updraftcentral_wizard_success"><p>'.sprintf($updraftcentral_host_plugin->retrieve_show_message('need_to_copy_key'), '<a href="'.$where_send.'" target="_blank">UpdraftCentral dashboard</a>').'</p><p>'.$updraftcentral_host_plugin->retrieve_show_message('press_add_site_button').'</p><p>'.sprintf($updraftcentral_host_plugin->retrieve_show_message('detailed_instructions'), '<a target="_blank" href="https://updraftplus.com/updraftcentral-how-to-add-a-site/">UpdraftPlus.com</a>').'</p></div>';
402	} else {
403	$created['keys_guide'] .= '<div class="updraftcentral_wizard_success"><p>'. sprintf($updraftcentral_host_plugin->retrieve_show_message('control_this_site'), '<a target="_blank" href="https://updraftplus.com/my-account/updraftcentral-remote-control/">UpdraftPlus.com</a>').'</p></div>';
404	}
405	}
406
407	return $created;
408	}
409
410	/**
411	* Given an index, return the indicator name
412	*
413	* @param String $index
414	*
415	* @return String
416	*/
417	private function indicator_name_from_index($index) {
418	return $index.'.central.updraftplus.com';
419	}
420
421	/**
422	* Gets an RPC object, and sets some defaults on it that we always want
423	*
424	* @param string $indicator_name indicator name
425	*
426	* @return array
427	*/
428	public function get_udrpc($indicator_name = 'migrator.updraftplus.com') {
429
430	global $updraftcentral_host_plugin, $updraftplus;
431
432	$updraftplus->ensure_phpseclib();
433
434	if (!class_exists('UpdraftPlus_Remote_Communications_V2')) include_once($updraftcentral_host_plugin->get_host_dir().'/vendor/team-updraft/common-libs/src/updraft-rpc/class-udrpc2.php');
435	$ud_rpc = new UpdraftPlus_Remote_Communications_V2($indicator_name);
436	$ud_rpc->set_can_generate(true);
437
438	return $ud_rpc;
439	}
440
441	private function create_remote_control_key($index = false, $extra_info = array(), $post_it = false) {
442	global $updraftcentral_host_plugin;
443
444	$our_keys = $this->get_central_localkeys();
445	if (!is_array($our_keys)) $our_keys = array();
446
447	if (false === $index) {
448	if (empty($our_keys)) {
449	$index = 0;
450	} else {
451	$index = max(array_keys($our_keys))+1;
452	}
453	}
454
455	$name_hash = $index;
456
457	if (isset($our_keys[$name_hash])) {
458	unset($our_keys[$name_hash]);
459	}
460
461	$indicator_name = $this->indicator_name_from_index($name_hash);
462	$ud_rpc = $this->get_udrpc($indicator_name);
463
464	if ('__updraftpluscom' == $post_it) {
465	$post_it = defined('UPDRAFTPLUS_OVERRIDE_UDCOM_DESTINATION') ? UPDRAFTPLUS_OVERRIDE_UDCOM_DESTINATION : 'https://updraftplus.com/?updraftcentral_action=receive_key';
466	$post_it_description = 'UpdraftPlus.Com';
467	} else {
468	$post_it_description = $post_it;
469	}
470
471	// Normally, key generation takes seconds, even on a slow machine. However, some Windows machines appear to have a setup in which it takes a minute or more. And then, if you're on a double-localhost setup on slow hardware - even worse. It doesn't hurt to just raise the maximum execution time.
472
473	if (function_exists('set_time_limit')) @set_time_limit(UPDRAFTCENTRAL_SET_TIME_LIMIT);// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged -- Silenced to suppress errors that may arise because of the function.
474
475	$key_size = (empty($extra_info['key_size']) \|\| !is_numeric($extra_info['key_size']) \|\| $extra_info['key_size'] < 512) ? 2048 : (int) $extra_info['key_size'];
476
477	if (is_object($ud_rpc) && $ud_rpc->generate_new_keypair($key_size)) {
478
479	if ($post_it && empty($extra_info['mothership_firewalled'])) {
480
481	$p_url = parse_url($post_it);
482	if (is_array($p_url) && !empty($p_url['user'])) {
483	$http_username = $p_url['user'];
484	$http_password = empty($p_url['pass']) ? '' : $p_url['pass'];
485	$post_it = $p_url['scheme'].'://'.$p_url['host'];
486	if (!empty($p_url['port'])) $post_it .= ':'.$p_url['port'];
487	$post_it .= $p_url['path'];
488	if (!empty($p_url['query'])) $post_it .= '?'.$p_url['query'];
489	}
490
491	$post_options = array(
492	'timeout' => 90,
493	'body' => array(
494	'updraftcentral_action' => 'receive_key',
495	'key' => $ud_rpc->get_key_remote()
496	)
497	);
498
499	if (!empty($http_username)) {
500	$post_options['headers'] = array(
501	'Authorization' => 'Basic '.base64_encode($http_username.':'.$http_password)
502	);
503	}
504
505	// This option allows the key to be sent to the other side via a known-secure channel (e.g. http over SSL), rather than potentially allowing it to travel over an unencrypted channel (e.g. http back to the user's browser). As such, if specified, it is compulsory for it to work.
506
507	$updraftcentral_host_plugin->register_wp_http_option_hooks();
508
509	$sent_key = wp_remote_post(
510	$post_it,
511	$post_options
512	);
513
514	$updraftcentral_host_plugin->register_wp_http_option_hooks(false);
515
516	$connection_troubleshooting_url = 'https://updraftplus.com/troubleshooting-updraftcentral-connection-issues/';
517	if (is_wp_error($sent_key) \|\| empty($sent_key)) {
518
519	$err_msg = sprintf($updraftcentral_host_plugin->retrieve_show_message('attempt_to_register_failed'), (string) $post_it_description, $connection_troubleshooting_url);
520	if (is_wp_error($sent_key)) $err_msg .= ' '.$sent_key->get_error_message().' ('.$sent_key->get_error_code().')';
521	return array(
522	'r' => $err_msg
523	);
524	}
525
526	$response = json_decode(wp_remote_retrieve_body($sent_key), true);
527
528	if (!is_array($response) \|\| !isset($response['key_id']) \|\| !isset($response['key_public'])) {
529	return array(
530	'r' => sprintf($updraftcentral_host_plugin->retrieve_show_message('attempt_to_register_failed'), (string) $post_it_description, $connection_troubleshooting_url),
531	'raw' => wp_remote_retrieve_body($sent_key)
532	);
533	}
534
535	$key_hash = hash('sha256', $ud_rpc->get_key_remote());
536
537	$local_bundle = $ud_rpc->get_portable_bundle('base64_with_count', $extra_info, array('key' => array('key_hash' => $key_hash, 'key_id' => $response['key_id'])));
538
539	} elseif ($post_it) {
540	// Don't send; instead, include in the bundle info that the mothership is firewalled; this will then tell the mothership to try the reverse connection instead
541
542	if (is_array($extra_info)) {
543	$extra_info['mothership_firewalled_callback_url'] = wp_nonce_url(admin_url('admin-ajax.php'), 'updraftcentral_receivepublickey');
544	$extra_info['updraft_key_index'] = $index;
545	}
546
547
548	$local_bundle = $ud_rpc->get_portable_bundle('base64_with_count', $extra_info, array('key' => $ud_rpc->get_key_remote()));
549	}
550
551
552	if (isset($extra_info['name'])) {
553	$name = (string) $extra_info['name'];
554	unset($extra_info['name']);
555	} else {
556	$name = 'UpdraftCentral Remote Control';
557	}
558
559	$our_keys[$name_hash] = array(
560	'name' => $name,
561	'key' => $ud_rpc->get_key_local(),
562	'extra_info' => $extra_info,
563	'created' => time(),
564	);
565	// Store the other side's public key
566	if (!empty($response) && is_array($response) && !empty($response['key_public'])) {
567	$our_keys[$name_hash]['publickey_remote'] = $response['key_public'];
568	}
569	$this->update_central_localkeys($our_keys, true, 'no');
570
571	return array(
572	'bundle' => $local_bundle,
573	'r' => $updraftcentral_host_plugin->retrieve_show_message('key_created_successfully').' '.$updraftcentral_host_plugin->retrieve_show_message('copy_paste_key'),
574	);
575	}
576
577	return false;
578
579	}
580
581	/**
582	* Get the HTML for the keys table
583	*
584	* @return String
585	*/
586	public function get_keys_table() {
587
588	// This is an additional check - it implies requirement for a dashboard context
589	if (!current_user_can('manage_options')) return;
590
591	global $updraftcentral_host_plugin;
592
593	$ret = '';
594
595	$our_keys = $this->get_central_localkeys();
596	if (!is_array($our_keys)) $our_keys = array();
597
598	if (empty($our_keys)) {
599	$ret .= '<tr><td colspan="2"><em>'.$updraftcentral_host_plugin->retrieve_show_message('no_updraftcentral_dashboards').'</em></td></tr>';
600	}
601
602	foreach ($our_keys as $i => $key) {
603
604	if (empty($key['extra_info'])) continue;
605
606	$user_id = $key['extra_info']['user_id'];
607
608	if (!empty($key['extra_info']['mothership'])) {
609
610	$mothership_url = $key['extra_info']['mothership'];
611
612	if ('__updraftpluscom' == $mothership_url) {
613	$reconstructed_url = 'https://updraftplus.com';
614	} else {
615	$purl = parse_url($mothership_url);
616	$path = empty($purl['path']) ? '' : $purl['path'];
617
618	$reconstructed_url = $purl['scheme'].'://'.$purl['host'].(!empty($purl['port']) ? ':'.$purl['port'] : '').$path;
619	}
620
621	} else {
622	$reconstructed_url = $updraftcentral_host_plugin->retrieve_show_message('unknown');
623	}
624
625	$name = $key['name'];
626
627	$user = get_user_by('id', $user_id);
628
629	$user_display = is_a($user, 'WP_User') ? $user->user_login.' ('.$user->user_email.')' : $updraftcentral_host_plugin->retrieve_show_message('unknown');
630
631	$ret .= '<tr class="updraft_debugrow"><td style="vertical-align:top;">'.htmlspecialchars($name).' ('.htmlspecialchars($i).')</td><td>'.$updraftcentral_host_plugin->retrieve_show_message('access_as_user')." ".htmlspecialchars($user_display)."<br>".$updraftcentral_host_plugin->retrieve_show_message('public_key_sent').' '.htmlspecialchars($reconstructed_url).'<br>';
632
633	if (!empty($key['created'])) {
634	$ret .= $updraftcentral_host_plugin->retrieve_show_message('created').' '.date_i18n(get_option('date_format').' '.get_option('time_format'), $key['created']).'.';
635	if (!empty($key['extra_info']['key_size'])) {
636	$ret .= ' '.sprintf($updraftcentral_host_plugin->retrieve_show_message('key_size'), $key['extra_info']['key_size']).'.';
637	}
638	$ret .= '<br>';
639	}
640
641	$ret .= '<a href="'.esc_url($this->get_current_clean_url()).'" data-key_id="'.esc_attr($i).'" class="updraftcentral_key_delete">'.$updraftcentral_host_plugin->retrieve_show_message('delete').'</a></td></tr>';
642	}
643
644
645	ob_start();
646	?>
647	<div id="updraftcentral_keys_content" style="margin: 10px 0;">
648	<?php if (!empty($our_keys)) { ?>
649	<a href="<?php echo esc_url($this->get_current_clean_url()); ?>" class="updraftcentral_keys_show hidden-in-updraftcentral"><?php printf($updraftcentral_host_plugin->retrieve_show_message('manage_keys'), count($our_keys)); ?></a>
650	<?php } ?>
651	<table id="updraftcentral_keys_table">
652	<thead>
653	<tr>
654	<th style="text-align:left;"><?php $updraftcentral_host_plugin->retrieve_show_message('key_description', true); ?></th>
655	<th style="text-align:left;"><?php $updraftcentral_host_plugin->retrieve_show_message('details', true); ?></th>
656	</tr>
657	</thead>
658	<tbody>
659	<?php
660
661	echo $ret;
662
663	?>
664	</tbody>
665	</table>
666	</div>
667	<?php
668	return ob_get_clean();
669	}
670
671	/**
672	* Return HTML markup for the 'create key' section
673	*
674	* @return String - the HTML
675	*/
676	private function create_key_markup() {
677	global $updraftcentral_host_plugin;
678
679	ob_start();
680	?>
681	<div class="create_key_container">
682	<h4 class="updraftcentral_wizard_stage1"> <?php $updraftcentral_host_plugin->retrieve_show_message('connect_to_updraftcentral_dashboard', true); ?></h4>
683	<table style="width: 100%; table-layout:fixed;">
684	<thead></thead>
685	<tbody>
686	<tr class="updraftcentral_wizard_stage1">
687	<td>
688	<div class="updraftcentral_wizard_mothership updraftcentral_wizard_option">
689	<label class="button-primary" tabindex="0">
690	<input checked="checked" type="radio" name="updraftcentral_mothership" id="updraftcentral_mothership_updraftpluscom" style="display: none;">
691	UpdraftPlus.Com
692	</label><br>
693	<div><?php printf($updraftcentral_host_plugin->retrieve_show_message('in_example'), '<a target="_blank" href="https://updraftplus.com/my-account/">'.$updraftcentral_host_plugin->retrieve_show_message('an_account').'</a>'); ?></div>
694
695	</div>
696	<div class="updraftcentral_wizard_self_hosted_stage1 updraftcentral_wizard_option">
697	<label class="button-primary" tabindex="0">
698	<input type="radio" name="updraftcentral_mothership" id="updraftcentral_mothership_other" style="display: none;">
699	<?php $updraftcentral_host_plugin->retrieve_show_message('self_hosted_dashboard', true);?>
700	</label><br>
701	<div><?php printf($updraftcentral_host_plugin->retrieve_show_message('website_installed'), '<a target="_blank" href="https://wordpress.org/plugins/updraftcentral/">UpdraftCentral</a>'); ?></div>
702	</div>
703	<div class="updraftcentral_wizard_self_hosted_stage2" style="float:left; clear:left;display:none;">
704	<p style="font-size: 13px;"><?php echo $updraftcentral_host_plugin->retrieve_show_message('enter_url');?></p>
705	<p style="font-size: 13px;" id="updraftcentral_wizard_stage1_error"></p>
706	<input disabled="disabled" id="updraftcentral_keycreate_mothership" type="text" size="40" placeholder="<?php $updraftcentral_host_plugin->retrieve_show_message('updraftcentral_dashboard_url', true); ?>" value="">
707	<button type="button" class="button button-primary" id="updraftcentral_stage2_go"><?php $updraftcentral_host_plugin->retrieve_show_message('next', true); ?></button>
708	</div>
709	</td>
710	</tr>
711
712	<tr class="updraft_debugrow updraftcentral_wizard_stage2" style="display: none;">
713	<h4 class="updraftcentral_wizard_stage2" style="display: none;"><?php $updraftcentral_host_plugin->retrieve_show_message('updraftcentral_connection_details', true); ?></h4>
714	<td class="updraftcentral_keycreate_description">
715	<?php $updraftcentral_host_plugin->retrieve_show_message('description', true); ?>:
716	<input id="updraftcentral_keycreate_description" type="text" size="20" placeholder="<?php $updraftcentral_host_plugin->retrieve_show_message('enter_description', true); ?>" value="" >
717	</td>
718	</tr>
719
720	<tr class="updraft_debugrow updraftcentral_wizard_stage2" style="display: none;">
721	<td>
722	<?php $updraftcentral_host_plugin->retrieve_show_message('encryption_key_size', true); ?>
723	<select style="" id="updraftcentral_keycreate_keysize">
724	<option value="512"><?php echo sprintf($updraftcentral_host_plugin->retrieve_show_message('bits').' - '.$updraftcentral_host_plugin->retrieve_show_message('easy_to_break'), '512'); ?></option>
725	<option value="1024"><?php echo sprintf($updraftcentral_host_plugin->retrieve_show_message('bits').' - '.$updraftcentral_host_plugin->retrieve_show_message('faster'), '1024'); ?></option>
726	<option value="2048" selected="selected"><?php echo sprintf($updraftcentral_host_plugin->retrieve_show_message('bytes').' - '.$updraftcentral_host_plugin->retrieve_show_message('recommended'), '2048'); ?></option>
727	<option value="4096"><?php echo sprintf($updraftcentral_host_plugin->retrieve_show_message('bits').' - '.$updraftcentral_host_plugin->retrieve_show_message('slower'), '4096'); ?></option>
728	</select>
729	<br>
730	<div id="updraftcentral_keycreate_mothership_firewalled_container">
731	<label>
732	<input id="updraftcentral_keycreate_mothership_firewalled" type="checkbox">
733	<?php $updraftcentral_host_plugin->retrieve_show_message('use_alternative_method', true); ?>
734	<a href="<?php echo esc_url($this->get_current_clean_url()); ?>" id="updraftcentral_keycreate_altmethod_moreinfo_get"><?php $updraftcentral_host_plugin->retrieve_show_message('more_information', true); ?></a>
735	<p id="updraftcentral_keycreate_altmethod_moreinfo" style="display:none; border: 1px dotted; padding: 3px; margin: 2px 10px 2px 24px;">
736	<em><?php $updraftcentral_host_plugin->retrieve_show_message('this_is_useful', true);?></em>
737	</p>
738	</label>
739	</div>
740	</td>
741	</tr>
742
743	<tr class="updraft_debugrow updraftcentral_wizard_stage2" style="display: none;">
744	<td>
745	<button style="margin-top: 5px;" type="button" class="button button-primary" id="updraftcentral_keycreate_go"><?php $updraftcentral_host_plugin->retrieve_show_message('create', true); ?></button>
746	</td>
747	</tr>
748	<tr class="updraft_debugrow updraftcentral_wizard_stage2" style="display: none;">
749	<td>
750	<a id="updraftcentral_stage1_go"><?php $updraftcentral_host_plugin->retrieve_show_message('back', true); ?></a>
751	</td>
752	</tr>
753	</tbody>
754	</table>
755	<div id="updraft-copy-modal" title="<?php _e('Copy to clipboard', 'updraftplus');?>">
756	<p>
757	<?php echo __('Your web browser prevented the copy operation.', 'updraftplus').' '.'<a href="https://updraftplus.com/faqs/how-do-i-set-clipboard-permissions-for-different-browsers/" target="__blank">'.' '.__('Follow this link to read about how to set browser permission', 'updraftplus').'</a>'; ?>
758	</p>
759	</div>
760	</div>
761	<?php
762	return ob_get_clean();
763	}
764
765	/**
766	* Get log event viewer mark-up
767	*
768	* @return String - the HTML
769	*/
770	private function get_log_markup() {
771	global $updraftcentral_host_plugin;
772
773	ob_start();
774	?>
775	<div id="updraftcentral_view_log_container" style="margin: 10px 0;">
776	<a href="<?php echo esc_url($this->get_current_clean_url()); ?>" id="updraftcentral_view_log"><?php $updraftcentral_host_plugin->retrieve_show_message('view_log_events', true); ?>...</a><br>
777	<pre id="updraftcentral_view_log_contents" style="min-height: 110px; padding: 0 4px;">
778	</pre>
779	</div>
780	<?php
781	return ob_get_clean();
782	}
783
784	/**
785	* Echo the debug-tools dashboard HTML. Called by the WP action updraftplus_debugtools_dashboard.
786	*/
787	public function debugtools_dashboard() {
788
789	$this->enqueue_central_scripts();
790
791	global $updraftcentral_host_plugin;
792
793	$including_desc = '';
794	if (function_exists('get_current_screen')) {
795	$screen = get_current_screen();
796	$hosts = apply_filters('updraftcentral_host_plugins', array());
797	$includes = $updraftcentral_host_plugin->retrieve_show_message('including_description');
798
799	foreach ($hosts as $plugin) {
800	if (false !== stripos($screen->id, $plugin)) {
801	$key = str_replace('-', '_', strtolower($plugin)).'_desc';
802	if (isset($includes[$key])) {
803	$including_desc = $includes[$key];
804	break;
805	}
806	}
807	}
808	}
809
810	$updraftcentral_description = preg_replace('/\s+/', ' ', sprintf($updraftcentral_host_plugin->retrieve_show_message('updraftcentral_description'), $including_desc));
811	?>
812	<div class="advanced_tools updraft_central">
813	<h3><?php $updraftcentral_host_plugin->retrieve_show_message('updraftcentral_remote_control', true); ?></h3>
814	<p>
815	<?php echo $updraftcentral_description.' <a target="_blank" href="https://updraftcentral.com">'.$updraftcentral_host_plugin->retrieve_show_message('read_more').'</a>'; ?>
816	</p>
817	<div style="min-height: 310px;" id="updraftcentral_keys">
818	<?php echo $this->create_key_markup(); ?>
819	<?php echo $this->get_keys_table(); ?>
820	<button style="display: none;" type="button" class="button button-primary" id="updraftcentral_wizard_go"><?php $updraftcentral_host_plugin->retrieve_show_message('create_another_key', true); ?></button>
821	<?php echo $this->get_log_markup(); ?>
822	</div>
823	</div>
824	<?php
825	}
826	}
827
828	endif;
829
830	global $updraftcentral_main;
831	$updraftcentral_main = new UpdraftCentral_Main();
832