class-plugin-upgrade.php — NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall 4.8.8

ninjafirewall / lib / class-plugin-upgrade.php

ninjafirewall / lib Last commit date

class-plugin-upgrade.php

195 lines

1	<?php
2	/*
3	+=====================================================================+
4	\| _ _ _ _ _____ _ _ _ \|
5	\| \| \ \| (_)_ __ (_) __ _\| ___(_)_ __ _____ ____ _\| \| \| \|
6	\| \| \\| \| \| '_ \ \| \|/ _` \| \|_ \| \| '__/ _ \ \ /\ / / _` \| \| \| \|
7	\| \| \|\ \| \| \| \| \|\| \| (_\| \| _\| \| \| \| \| __/\ V V / (_\| \| \| \| \|
8	\| \|_\| \_\|_\|_\| \|_\|/ \|\__,_\|_\| \|_\|_\| \___\| \_/\_/ \__,_\|_\|_\| \|
9	\| \|__/ \|
10	\| (c) NinTechNet Limited ~ https://nintechnet.com/ \|
11	+=====================================================================+
12	*/
13
14	if ( class_exists('NinjaFirewall_plugin') ) {
15	return;
16	}
17
18	class NinjaFirewall_plugin {
19
20	private static $url = 'https://downloads.wordpress.org/plugin/%s.%s.zip';
21	private static $slug = '';
22	private static $main = '';
23	private static $network = false;
24	private static $active = false;
25
26
27	/**
28	* Initialize the filesystem.
29	*/
30	private static function init() {
31
32	require_once ABSPATH .'wp-admin/includes/class-wp-filesystem-base.php';
33	require_once ABSPATH .'wp-admin/includes/class-wp-filesystem-direct.php';
34	require_once ABSPATH .'wp-admin/includes/file.php';
35	require_once ABSPATH .'wp-admin/includes/plugin.php';
36
37	$res = WP_Filesystem();
38	if ( $res === true ) {
39	return;
40	}
41	$error = esc_html__('Error initialize the filesystem.', 'ninjafirewall');
42	wp_send_json( ['status' => 'error', 'message' => $error ] );
43	}
44
45
46	/**
47	* Manual upgrade of the corresponding plugin.
48	* `nfw_pluginupgrade` AJAX action.
49	*/
50	public static function upgrade() {
51
52	global $wp_filesystem;
53
54	/**
55	* Verify user capabilities and the security nonce.
56	*/
57	nf_not_allowed('block', __LINE__, 'ajax');
58	if (! check_ajax_referer('pluginupgrade', 'nonce', false ) ) {
59	$error = esc_html__('Security nonces do not match. Reload the page and try again.',
60	'ninjafirewall');
61	wp_send_json( ['status' => 'error', 'message' => $error ] );
62	}
63
64	if ( empty( $_POST['plugin'] ) \|\| empty( $_POST['version'] ) ) {
65	$error = esc_html__('Missing parameters.', 'ninjafirewall');
66	wp_send_json( ['status' => 'error', 'message' => $error ] );
67	}
68
69	list( self::$slug, self::$main ) = explode('/', stripslashes( urldecode( $_POST['plugin'] ) ), 2 );
70	self::$slug = sanitize_title( self::$slug );
71	self::$main = sanitize_file_name( self::$main );
72
73	$version = stripslashes( $_POST['version'] );
74
75	/**
76	* Make sure the plugin and its version match our list.
77	*/
78	$nfw_checked = nfw_get_option('nfw_checked');
79	$error = esc_html__('Plugin name or version is invalid.', 'ninjafirewall');
80	if ( empty( $nfw_checked['plugins'] ) \|\|
81	! isset( $nfw_checked['plugins'][ self::$slug .'/'. self::$main ]['version'] ) ) {
82
83	wp_send_json( ['status' => 'error', 'message' => $error ] );
84	}
85	if ( $nfw_checked['plugins'][ self::$slug .'/'. self::$main ]['version'] != $version ) {
86	wp_send_json( ['status' => 'error', 'message' => $error ] );
87	}
88
89	/**
90	* Initialize the filestem.
91	*/
92	self::init();
93
94	/**
95	* Check if the plugin is activated across the entire network,
96	* if that's a multisite environment.
97	*/
98	if ( is_multisite() && is_plugin_active_for_network( self::$slug .'/'. self::$main ) ) {
99	self::$network = true;
100	}
101
102	/**
103	* Deactivate the plugin, silently.
104	*/
105	if ( is_plugin_active( self::$slug .'/'. self::$main ) ) {
106	deactivate_plugins( self::$slug .'/'. self::$main ,true );
107	self::$active = true;
108	}
109
110	/**
111	* Download it from wordpress.org.
112	*/
113	self::$url = sprintf( self::$url, self::$slug, $version );
114	$file = download_url( self::$url );
115	if ( is_wp_error( $file ) ) {
116	$error = sprintf(
117	esc_html__('Error when trying to download the plugin: %s', 'ninjafirewall'),
118	esc_html ( $file->get_error_message() )
119	);
120	/**
121	* Reactivate the plugin and quit.
122	*/
123	self::activate_plugin();
124	wp_send_json( ['status' => 'error', 'message' => $error ] );
125	}
126
127	/**
128	* Delete the plugin folder, recursively.
129	*/
130	$plugin_dir = trailingslashit( WP_PLUGIN_DIR ) . self::$slug;
131	if ( $wp_filesystem->is_dir( $plugin_dir ) ) {
132	$res = $wp_filesystem->delete( $plugin_dir, true, 'd');
133	if ( $res === false ) {
134	$error = sprintf(
135	esc_html__('Error when trying to delete the plugin folder: %s', 'ninjafirewall'),
136	esc_html( $plugin_dir )
137	);
138	/**
139	* Try to reactivate the plugin, if possible, before quitting.
140	*/
141	self::activate_plugin();
142	wp_send_json( ['status' => 'error', 'message' => $error ] );
143	}
144	}
145
146	/**
147	* Unzip the new plugin.
148	*/
149	$res = unzip_file( $file, WP_PLUGIN_DIR );
150	if ( is_wp_error( $res ) ) {
151	$error = sprintf(
152	esc_html__('Error when trying to extract the plugin: %s', 'ninjafirewall'),
153	esc_html ( $res->get_error_message() )
154	);
155	wp_send_json( ['status' => 'error', 'message' => $error ] );
156	}
157
158	/**
159	* Delete the downloaded file.
160	*/
161	wp_delete_file( $file );
162
163	/**
164	* Reactivate the plugin, if it was activated prior to the upgrade.
165	*/
166	$res = self::activate_plugin();
167	if ( is_wp_error( $res ) ) {
168	$error = sprintf(
169	esc_html__('Error when trying to reactivate the plugin: %s', 'ninjafirewall'),
170	esc_html ( $res->get_error_message() )
171	);
172	wp_send_json( ['status' => 'error', 'message' => $error ] );
173	}
174
175	$message = esc_html__('The plugin was successfully updated. The page will now reload.',
176	'ninjafirewall');
177	wp_send_json( ['status' => 'success', 'message' => $message ] );
178	}
179
180
181	/**
182	* Reactivate the plugin.
183	*/
184	private static function activate_plugin() {
185
186	if ( self::$active === true ) {
187	return activate_plugin( self::$slug .'/'. self::$main, '', self::$network, true );
188	}
189	}
190
191	}
192
193	// =====================================================================
194	// EOF
195