patchstack / includes / admin / general.php

general.php in Patchstack – WordPress & Plugins Security 2.3.0, at includes/admin/general.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 for any general admin functionality.
10	* For example to display general errors on all pages or event listeners.
11	*/
12	class P_Admin_General extends P_Core {
13
14	/**
15	* Add any general actions for the backend.
16	*
17	* @param Patchstack $core
18	* @return void
19	*/
20	public function __construct( $core ) {
21	parent::__construct( $core );
22
23	// Add admin and network notices.
24	add_action( 'admin_notices', [ $this, 'file_error_notice' ] );
25	add_action( 'network_admin_notices', [ $this, 'file_error_notice' ] );
26	add_action( 'update_option_siteurl', [ $this, 'update_option_url' ], 10, 2 );
27	add_action( 'update_option', [ $this, 'update_option_ap' ], 10, 3 );
28
29	// If the firewall or whitelist rules do not exist, attempt to pull fresh.
30	$token = get_option( 'patchstack_api_token', false );
31	if ( ! empty( $token ) && ( get_option( 'patchstack_firewall_rules', '' ) == '' \|\| get_option( 'patchstack_whitelist_keys_rules' ) == '' ) && get_option( 'patchstack_license_free', 0 ) != 1 ) {
32	do_action( 'patchstack_post_dynamic_firewall_rules' );
33	}
34	}
35
36	/**
37	* Display error message if file/folder permissions are not set properly.
38	*
39	* @return void
40	*/
41	public function file_error_notice() {
42	// No need to display this error if the .htaccess functionality has been disabled.
43	if ( get_site_option( 'patchstack_disable_htaccess', 0 ) \|\| ( defined( 'PS_DISABLE_HTACCESS' ) && PS_DISABLE_HTACCESS ) ) {
44	return;
45	}
46
47	// No need to display if a free user without protection.
48	if ( get_option( 'patchstack_license_free', 0 ) == 1 ) {
49	return;
50	}
51
52	// No need to display on nginx.
53	if ( isset( $_SERVER['SERVER_SOFTWARE'] ) && stripos( $_SERVER['SERVER_SOFTWARE'], 'nginx' ) !== false ) {
54	return;
55	}
56
57	// Check root .htaccess file and data folder writability.
58	$files = [];
59	if ( file_exists( ABSPATH . '.htaccess' ) && ! wp_is_writable( ABSPATH . '.htaccess' ) ) {
60	array_push( $files, ABSPATH . '.htaccess' );
61	}
62
63	// Are there any errors to display?
64	if ( count( $files ) > 0 ) {
65	?>
66	<div class="error notice">
67	<h2>Patchstack File Permission Error</h2>
68	<p><?php esc_html_e( 'The following file/folder could not be written to:<br />' . implode( '<br />', $files ), 'patchstack' ); ?></p>
69	<?php
70	foreach ( $files as $file ) {
71	echo wp_kses( '<p><b>Debug info: </b>' . $file . ' chmod permissions: <b>' . substr( decoct( fileperms( $file ) ), -3 ) . '</b>, owned by <b>' . posix_getpwuid( fileowner( $file ) )['name'] . '</b></p>', $this->allowed_html );
72	}
73	?>
74	<p><?php esc_html_e( '<strong>How to fix?</strong><br />CHMOD the file/folder to <strong>755</strong> through a <a href="http://www.dummies.com/web-design-development/wordpress/navigation-customization/how-to-change-file-permissions-using-filezilla-on-your-ftp-site/" target="_blank">FTP client</a>, <a href="http://support.hostgator.com/articles/cpanel/how-to-change-permissions-chmod-of-a-file" target="_blank">CPanel</a>, <a href="https://www.inmotionhosting.com/support/website/managing-files/change-file-permissions" target="_blank">WHM</a> or ask your hosting provider. Make sure file or folder ownership is set to <b>' . posix_getpwuid( fileowner( ABSPATH . 'index.php' ) )['name'] . '</b> user .', 'patchstack_file_error_notice' ); ?></p>
75	<p><?php esc_html_e( '<strong>CHMOD properly set but still not working?</strong><br />Make sure the group/owner (chown) settings of the /wp-content/plugins/patchstack/ folder is properly setup, you may have to ask your host to fix this.', 'patchstack_file_error_notice' ); ?></p>
76	</div>
77	<?php
78	}
79	}
80
81	/**
82	* When the user updates the site URL, update it on the API side as well.
83	* This needs to be done so we can communicate with the site properly.
84	*
85	* @param mixed $old_value
86	* @param mixed $new_value
87	* @return void
88	*/
89	public function update_option_url( $old_value, $new_value ) {
90	if ( $old_value != $new_value ) {
91	$this->plugin->api->update_url( [ 'plugin_url' => $new_value ] );
92	}
93	}
94
95	/**
96	* When the firewall auto prepend option value is changed, ensure that we prepare the environment or remove it from the environment.
97	*
98	* @param mixed $option_name
99	* @param mixed $old_value
100	* @param mixed $new_value
101	* @return void
102	*/
103	public function update_option_ap( $option_name, $old_value, $new_value ) {
104	if ( $option_name != 'patchstack_firewall_ap_enabled' ) {
105	return;
106	}
107
108	// No need to perform if user is on free plan.
109	if ( get_option( 'patchstack_license_activated', 0 ) != 1 ) {
110	return;
111	}
112
113	if ( $new_value && get_option( 'patchstack_license_free', 0 ) == 0 ) {
114	$this->plugin->activation->auto_prepend_injection();
115	} else {
116	$this->plugin->activation->auto_prepend_removal();
117	}
118	}
119	}
120