patchstack / includes / upload.php

upload.php in Patchstack – WordPress & Plugins Security 2.2.8, at includes/upload.php

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1	<?php
2
3	// Do not allow the file to be called directly.
4	if ( ! defined( 'ABSPATH' ) ) {
5	exit;
6	}
7
8	/**
9	* This class is used to upload the local logs to our API so it can
10	* be shown on the app.
11	*/
12	class P_Upload extends P_Core {
13
14	/**
15	* Add the actions required to upload logs to our API.
16	*
17	* @param Patchstack $core
18	* @return void
19	*/
20	public function __construct( $core ) {
21	parent::__construct( $core );
22
23	// In case the software has never been synchronized, force it.
24	if ( ! get_option( 'patchstack_software_data_hash', false ) ) {
25	$this->upload_software();
26	}
27
28	// Register the actions.
29	add_action( 'patchstack_send_software_data', [ $this, 'upload_software' ] );
30	add_action( 'patchstack_send_hacker_logs', [ $this, 'upload_firewall_logs' ] );
31	add_action( 'patchstack_send_event_logs', [ $this, 'upload_activity_logs' ] );
32
33	// In case a plugin or upgrade has been performed, re-synchronize with the app.
34	add_action( 'activated_plugin', [ $this, 'upload_software' ] );
35	add_action( 'deactivated_plugin', [ $this, 'upload_software' ] );
36	add_action( 'deleted_plugin', [ $this, 'upload_software' ] );
37	add_action( 'upgrader_process_complete', [ $this, 'upload_software' ] );
38	add_action( '_core_updated_successfully', [ &$this, 'upload_software' ] );
39	}
40
41	/**
42	* Synchronize the software data with our API.
43	* This includes plugins, themes, WordPress and PHP version.
44	*
45	* @return void\|array
46	*/
47	public function upload_software() {
48	// Get the software data and hash.
49	$data = $this->get_software_data();
50	$hash = sha1( json_encode( $data ) );
51
52	// Do not sync for no reason.
53	if ( ! defined( 'DOING_CRON' ) && ! isset( $_POST['webarx_secret'] ) && get_option( 'patchstack_software_data_hash', false ) === $hash && ! is_admin() ) {
54	return;
55	}
56
57	// Synchronize the software list with the API.
58	$results = $this->plugin->api->upload_software( [ 'software' => json_encode( $data ) ] );
59	if ( isset( $results['success'] ) ) {
60	update_option( 'patchstack_software_data_hash', $hash );
61
62	// The result will also contain a list of all vulnerable plugins on the site that is returned by the API.
63	// If the auto update setting is enabled for vulnerable plugins, perform the update once the 15 minute
64	// scheduled task "patchstack_update_plugins" is executed.
65	$update = get_site_option( 'patchstack_auto_update', [] );
66	if ( isset( $results['vulnerable'] ) && is_array( $update ) && in_array( 'vulnerable', $update ) ) {
67	update_site_option( 'patchstack_vulnerable_plugins', $results['vulnerable'] );
68	}
69
70	// If we have vulnerable plugins, determine if we had them before and if not, pull latest firewall rules.
71	if ( isset( $results['vulnerable'] ) && count( $results['vulnerable'] ) > 0 ) {
72	$prev = get_site_option( 'patchstack_latest_vulnerable', [] );
73	foreach ( $results['vulnerable'] as $vuln ) {
74	if ( ! in_array ( $vuln, $prev ) ) {
75	do_action( 'patchstack_post_dynamic_firewall_rules' );
76	break;
77	}
78	}
79
80	update_site_option( 'patchstack_latest_vulnerable', $results['vulnerable'] );
81	} else {
82	update_site_option( 'patchstack_latest_vulnerable', [] );
83	}
84
85	return $results;
86	}
87
88	return;
89	}
90
91	/**
92	* Synchronize the firewall logs with our API.
93	*
94	* @return void
95	*/
96	public function upload_firewall_logs() {
97	global $wpdb;
98	$lastid = get_option( 'patchstack_firewall_log_lastid', 0 );
99	$items = $wpdb->get_results( $wpdb->prepare( 'SELECT ip, log_date, request_uri, user_agent, fid, method, post_data FROM ' . $wpdb->prefix . 'patchstack_firewall_log WHERE id > %d ORDER BY id', $lastid ) );
100
101	// No need to synchronize if there are no new logs present.
102	if ( $wpdb->num_rows == 0 ) {
103	return;
104	}
105
106	// Construct the array to be uploaded to our API.
107	$logs = [];
108	foreach ( $items as $item ) {
109
110	// Entries that we don't want to store on the API side.
111	if ( stripos( $item->request_uri, 'wp-comments-post' ) !== false ) {
112	continue;
113	}
114
115	// Push to entries to be uploaded.
116	$logs[] = [
117	'ip' => $item->ip,
118	'fid' => $item->fid,
119	'request_uri' => $item->request_uri,
120	'user_agent' => $item->user_agent,
121	'method' => $item->method,
122	'log_date' => $item->log_date,
123	'post_data' => $item->post_data,
124	];
125	}
126
127	// JSON encode the logs and upload.
128	$logs = json_encode( $logs );
129	$results = $this->plugin->api->upload_firewall_logs(
130	[
131	'logs' => $logs,
132	'type' => 'firewall',
133	]
134	);
135	if ( isset( $results['errors'] ) ) {
136	return;
137	}
138
139	// Get the most recent id of the logs.
140	$lastid = $wpdb->get_var( 'SELECT id FROM ' . $wpdb->prefix . 'patchstack_firewall_log ORDER BY id DESC LIMIT 0, 1' );
141	update_option( 'patchstack_firewall_log_lastid', $lastid );
142
143	// Delete logs that are older than 2 weeks.
144	$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_firewall_log WHERE log_date < DATE_SUB(NOW(), INTERVAL 14 DAY)' );
145	}
146
147	/**
148	* Synchronize the activity logs with our API.
149	*
150	* @return void
151	*/
152	public function upload_activity_logs() {
153	global $wpdb;
154
155	// Determine if we should upload failed logins to the app.
156	$where = " AND action != 'failed login' ";
157	if ( $this->get_option( 'patchstack_activity_log_failed_logins_db', 0 ) == 1 ) {
158	$where = ' ';
159	}
160
161	// Do we have data to upload?
162	$lastid = get_option( 'patchstack_eventlog_lastid', 0 );
163	$items = $wpdb->get_results( $wpdb->prepare( 'SELECT author, ip, object, object_id, object_name, action, date FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE id > %d' . $where . 'ORDER BY id', [ $lastid ] ) );
164	if ( $wpdb->num_rows == 0 ) {
165	return;
166	}
167
168	// Send to the API.
169	$logs = json_encode( $items );
170	$results = $this->plugin->api->upload_activity_logs( [ 'logs' => $logs ] );
171	if ( isset( $results['errors'] ) ) {
172	return;
173	}
174
175	// Get the most recent id of the logs.
176	$lastid = $wpdb->get_var( 'SELECT id FROM ' . $wpdb->prefix . 'patchstack_event_log ORDER BY id DESC LIMIT 0, 1' );
177	update_option( 'patchstack_eventlog_lastid', $lastid );
178
179	// Delete logs that are older than 2 weeks.
180	$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE date < DATE_SUB(NOW(), INTERVAL 14 DAY)' );
181	}
182
183	/**
184	* Obtain information about the software that the user has installed.
185	* This includes plugins, themes, WordPress and PHP version.
186	*
187	* @return array
188	*/
189	public function get_software_data() {
190	if ( ! function_exists( 'get_plugins' ) ) {
191	require_once ABSPATH . 'wp-admin/includes/plugin.php';
192	}
193	if ( ! function_exists( 'get_plugin_updates' ) ) {
194	require_once ABSPATH . 'wp-admin/includes/update.php';
195	}
196
197	// Refetch updates data if we are performing a plugin listener related action.
198	if ( isset( $_POST['webarx_secret'] ) ) {
199	@require_once ABSPATH . 'wp-includes/update.php';
200	@wp_update_themes();
201	@wp_update_plugins();
202	}
203
204	// Fetch list of plugins.
205	$all_plugin = get_plugins();
206	$installed_plugins = array_keys( $all_plugin );
207	$updatable_plugins = get_plugin_updates();
208	$software_list = [];
209
210	foreach ( $installed_plugins as $plugin ) {
211	if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
212	continue;
213	}
214
215	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
216	$new_version = empty( $updatable_plugins[ $plugin ]->update->new_version ) ? '' : $updatable_plugins[ $plugin ]->update->new_version;
217	$plugin_name = empty( $plugin_data['Name'] ) ? '' : $plugin_data['Name'];
218	$plugin_version = empty( $plugin_data['Version'] ) ? '' : $plugin_data['Version'];
219
220	if ( ! empty( $plugin_name ) && ! empty( $plugin_version ) ) {
221
222	// Determine the active state.
223	if ( isset( $_GET['action'], $_GET['plugin'] ) && $_GET['action'] == 'deactivate' && $_GET['plugin'] == $plugin) {
224	$active = 0;
225	} else {
226	$active = (int) is_plugin_active( $plugin );
227	}
228
229	$software_list[] = [
230	'sw_type' => 'plugin',
231	'sw_name' => $plugin_name,
232	'sw_cur_ver' => $plugin_version,
233	'sw_new_ver' => $new_version,
234	'sw_key' => $plugin,
235	'sw_active' => $active
236	];
237	}
238	}
239
240	// Fetch list of themes.
241	$themes = wp_get_themes();
242	$themes_keys = array_keys( $themes );
243	$updatable_themes = get_theme_updates();
244
245	foreach ( $themes_keys as $theme_key ) {
246	$themes_data = $themes[ $theme_key ];
247	$theme_temporary = empty( $updatable_themes[ $theme_key ] ) ? '' : $updatable_themes[ $theme_key ];
248	$theme_new_version = empty( $updatable_themes[ $theme_key ] ) \|\| ! isset( $theme_temporary->update, $theme_temporary->update['new_version'] ) ? '' : $theme_temporary->update['new_version'];
249	$theme_name = $themes_data->get( 'Name' );
250	$theme_version = $themes_data->get( 'Version' );
251
252	if ( ! empty( $theme_name ) && ! empty( $theme_version ) ) {
253	$software_list[] = [
254	'sw_type' => 'theme',
255	'sw_name' => $theme_name,
256	'sw_cur_ver' => $theme_version,
257	'sw_new_ver' => $theme_new_version,
258	'sw_key' => $theme_key,
259	];
260	}
261	}
262
263	// Fetch WordPress version.
264	global $wp_version;
265	$core_updates = get_core_updates();
266	$new_wp_version = ( ! empty( $core_updates ) && $core_updates[0]->response == 'upgrade' ) ? $core_updates[0]->version : '';
267	$software_list[] = [
268	'sw_type' => 'wordpress',
269	'sw_name' => 'WordPress',
270	'sw_cur_ver' => $wp_version,
271	'sw_new_ver' => $new_wp_version,
272	];
273
274	// Fetch PHP version.
275	$software_list[] = [
276	'sw_type' => 'php',
277	'sw_name' => 'PHP',
278	'sw_cur_ver' => phpversion(),
279	'sw_new_ver' => '',
280	];
281
282	// Fetch database server version.
283	global $wpdb;
284	if ( ! is_null( $wpdb ) ) {
285	$software_list[] = [
286	'sw_type' => 'database',
287	'sw_name' => 'Database',
288	'sw_cur_ver' => $wpdb->get_var( 'SELECT VERSION()' ),
289	'sw_new_ver' => ''
290	];
291	}
292
293	return $software_list;
294	}
295	}
296