patchstack / includes / upload.php

upload.php in Patchstack – WordPress & Plugins Security 2.2.2, 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	if ( ! defined( 'DOING_CRON' ) && ! isset( $_POST['webarx_secret'] ) && get_option( 'patchstack_software_data_hash', false ) === $hash && ! is_admin() ) {
52	return;
53	}
54
55	// Synchronize the software list with the API.
56	$results = $this->plugin->api->upload_software( [ 'software' => json_encode( $data ) ] );
57	if ( isset( $results['success'] ) ) {
58	update_option( 'patchstack_software_data_hash', $hash );
59
60	// The result will also contain a list of all vulnerable plugins on the site that is returned by the API.
61	// If the auto update setting is enabled for vulnerable plugins, perform the update once the 15 minute
62	// scheduled task "patchstack_update_plugins" is executed.
63	$update = get_site_option( 'patchstack_auto_update', [] );
64	if ( isset( $results['vulnerable'] ) && is_array( $update ) && in_array( 'vulnerable', $update ) ) {
65	update_site_option( 'patchstack_vulnerable_plugins', $results['vulnerable'] );
66	}
67
68	// If we have vulnerable plugins, determine if we had them before and if not, pull latest firewall rules.
69	if ( isset( $results['vulnerable'] ) && count( $results['vulnerable'] ) > 0 ) {
70	$prev = get_site_option( 'patchstack_latest_vulnerable', [] );
71	foreach ( $results['vulnerable'] as $vuln ) {
72	if ( ! in_array ( $vuln, $prev ) ) {
73	do_action( 'patchstack_post_dynamic_firewall_rules' );
74	break;
75	}
76	}
77
78	update_site_option( 'patchstack_latest_vulnerable', $results['vulnerable'] );
79	} else {
80	update_site_option( 'patchstack_latest_vulnerable', [] );
81	}
82
83	return $results;
84	}
85
86	return;
87	}
88
89	/**
90	* Synchronize the firewall logs with our API.
91	*
92	* @return void
93	*/
94	public function upload_firewall_logs() {
95	global $wpdb;
96	$lastid = get_option( 'patchstack_firewall_log_lastid', 0 );
97	$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 ) );
98
99	// No need to synchronize if there are no new logs present.
100	if ( $wpdb->num_rows == 0 ) {
101	return;
102	}
103
104	// Construct the array to be uploaded to our API.
105	$logs = [];
106	foreach ( $items as $item ) {
107
108	// Entries that we don't want to store on the API side.
109	if ( stripos( $item->request_uri, 'wp-comments-post' ) !== false ) {
110	continue;
111	}
112
113	// Push to entries to be uploaded.
114	$logs[] = [
115	'ip' => $item->ip,
116	'fid' => $item->fid,
117	'request_uri' => $item->request_uri,
118	'user_agent' => $item->user_agent,
119	'method' => $item->method,
120	'log_date' => $item->log_date,
121	'post_data' => $item->post_data,
122	];
123	}
124
125	// JSON encode the logs and upload.
126	$logs = json_encode( $logs );
127	$results = $this->plugin->api->upload_firewall_logs(
128	[
129	'logs' => $logs,
130	'type' => 'firewall',
131	]
132	);
133	if ( isset( $results['errors'] ) ) {
134	return;
135	}
136
137	// Get the most recent id of the logs.
138	$lastid = $wpdb->get_var( 'SELECT id FROM ' . $wpdb->prefix . 'patchstack_firewall_log ORDER BY id DESC LIMIT 0, 1' );
139	update_option( 'patchstack_firewall_log_lastid', $lastid );
140
141	// Delete logs that are older than 2 weeks.
142	$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_firewall_log WHERE log_date < DATE_SUB(NOW(), INTERVAL 14 DAY)' );
143	}
144
145	/**
146	* Synchronize the activity logs with our API.
147	*
148	* @return void
149	*/
150	public function upload_activity_logs() {
151	global $wpdb;
152
153	// Determine if we should upload failed logins to the app.
154	$where = " AND action != 'failed login' ";
155	if ( $this->get_option( 'patchstack_activity_log_failed_logins_db', 0 ) == 1 ) {
156	$where = ' ';
157	}
158
159	// Do we have data to upload?
160	$lastid = get_option( 'patchstack_eventlog_lastid', 0 );
161	$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 ] ) );
162	if ( $wpdb->num_rows == 0 ) {
163	return;
164	}
165
166	// Send to the API.
167	$logs = json_encode( $items );
168	$results = $this->plugin->api->upload_activity_logs( [ 'logs' => $logs ] );
169	if ( isset( $results['errors'] ) ) {
170	return;
171	}
172
173	// Get the most recent id of the logs.
174	$lastid = $wpdb->get_var( 'SELECT id FROM ' . $wpdb->prefix . 'patchstack_event_log ORDER BY id DESC LIMIT 0, 1' );
175	update_option( 'patchstack_eventlog_lastid', $lastid );
176
177	// Delete logs that are older than 2 weeks.
178	$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'patchstack_event_log WHERE date < DATE_SUB(NOW(), INTERVAL 14 DAY)' );
179	}
180
181	/**
182	* Obtain information about the software that the user has installed.
183	* This includes plugins, themes, WordPress and PHP version.
184	*
185	* @return array
186	*/
187	public function get_software_data() {
188	if ( ! function_exists( 'get_plugins' ) ) {
189	require_once ABSPATH . 'wp-admin/includes/plugin.php';
190	}
191	if ( ! function_exists( 'get_plugin_updates' ) ) {
192	require_once ABSPATH . 'wp-admin/includes/update.php';
193	}
194
195	// Refetch updates data if we are performing a plugin listener related action.
196	if ( isset( $_POST['webarx_secret'] ) ) {
197	@require_once ABSPATH . 'wp-includes/update.php';
198	@wp_update_themes();
199	@wp_update_plugins();
200	}
201
202	// Fetch list of plugins.
203	$all_plugin = get_plugins();
204	$installed_plugins = array_keys( $all_plugin );
205	$updatable_plugins = get_plugin_updates();
206	$software_list = [];
207
208	foreach ( $installed_plugins as $plugin ) {
209	if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
210	continue;
211	}
212
213	$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
214	$new_version = empty( $updatable_plugins[ $plugin ]->update->new_version ) ? '' : $updatable_plugins[ $plugin ]->update->new_version;
215	$plugin_name = empty( $plugin_data['Name'] ) ? '' : $plugin_data['Name'];
216	$plugin_version = empty( $plugin_data['Version'] ) ? '' : $plugin_data['Version'];
217
218	if ( ! empty( $plugin_name ) && ! empty( $plugin_version ) ) {
219
220	// Determine the active state.
221	if ( isset( $_GET['action'], $_GET['plugin'] ) && $_GET['action'] == 'deactivate' && $_GET['plugin'] == $plugin) {
222	$active = 0;
223	} else {
224	$active = (int) is_plugin_active( $plugin );
225	}
226
227	$software_list[] = [
228	'sw_type' => 'plugin',
229	'sw_name' => $plugin_name,
230	'sw_cur_ver' => $plugin_version,
231	'sw_new_ver' => $new_version,
232	'sw_key' => $plugin,
233	'sw_active' => $active
234	];
235	}
236	}
237
238	// Fetch list of themes.
239	$themes = wp_get_themes();
240	$themes_keys = array_keys( $themes );
241	$updatable_themes = get_theme_updates();
242
243	foreach ( $themes_keys as $theme_key ) {
244	$themes_data = $themes[ $theme_key ];
245	$theme_temporary = empty( $updatable_themes[ $theme_key ] ) ? '' : $updatable_themes[ $theme_key ];
246	$theme_new_version = empty( $updatable_themes[ $theme_key ] ) \|\| ! isset( $theme_temporary->update, $theme_temporary->update['new_version'] ) ? '' : $theme_temporary->update['new_version'];
247	$theme_name = $themes_data->get( 'Name' );
248	$theme_version = $themes_data->get( 'Version' );
249
250	if ( ! empty( $theme_name ) && ! empty( $theme_version ) ) {
251	$software_list[] = [
252	'sw_type' => 'theme',
253	'sw_name' => $theme_name,
254	'sw_cur_ver' => $theme_version,
255	'sw_new_ver' => $theme_new_version,
256	'sw_key' => $theme_key,
257	];
258	}
259	}
260
261	// Fetch WordPress version.
262	global $wp_version;
263	$core_updates = get_core_updates();
264	$new_wp_version = ( ! empty( $core_updates ) && $core_updates[0]->response == 'upgrade' ) ? $core_updates[0]->version : '';
265	$software_list[] = [
266	'sw_type' => 'wordpress',
267	'sw_name' => 'WordPress',
268	'sw_cur_ver' => $wp_version,
269	'sw_new_ver' => $new_wp_version,
270	];
271
272	// Fetch PHP version.
273	$software_list[] = [
274	'sw_type' => 'php',
275	'sw_name' => 'PHP',
276	'sw_cur_ver' => phpversion(),
277	'sw_new_ver' => '',
278	];
279
280	// Fetch database server version.
281	global $wpdb;
282	if ( ! is_null( $wpdb ) ) {
283	$software_list[] = [
284	'sw_type' => 'database',
285	'sw_name' => 'Database',
286	'sw_cur_ver' => $wpdb->get_var( 'SELECT VERSION()' ),
287	'sw_new_ver' => ''
288	];
289	}
290
291	return $software_list;
292	}
293	}
294