blackbar / activate.php

activate.php in Black Bar 2.1.2, at activate.php

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1	<?php
2
3	defined( 'WPINC' ) \|\| die;
4
5	/**
6	* Check for minimum system requirments on plugin activation
7	* @version 3.0.0
8	*/
9	class GL_Plugin_Check_v3
10	{
11	const MIN_PHP_VERSION = '5.6.0';
12	const MIN_WORDPRESS_VERSION = '4.7.0';
13
14	/**
15	* @var string
16	*/
17	protected $file;
18
19	/**
20	* @var array
21	*/
22	protected $versions;
23
24	/**
25	* @param string $file
26	*/
27	public function __construct( $file, array $versions = array() )
28	{
29	$this->file = realpath( $file );
30	$this->versions = wp_parse_args( $versions, array(
31	'php' => static::MIN_PHP_VERSION,
32	'wordpress' => static::MIN_WORDPRESS_VERSION,
33	));
34	}
35
36	/**
37	* @return bool
38	*/
39	public function canProceed()
40	{
41	if( $this->isValid() ) {
42	return true;
43	}
44	add_action( 'activated_plugin', array( $this, 'deactivate' ));
45	add_action( 'admin_notices', array( $this, 'deactivate' ));
46	return false;
47	}
48
49	/**
50	* @return bool
51	*/
52	public function isPhpValid()
53	{
54	return !version_compare( PHP_VERSION, $this->versions['php'], '<' );
55	}
56
57	/**
58	* @return bool
59	*/
60	public function isValid()
61	{
62	return $this->isPhpValid() && $this->isWpValid();
63	}
64
65	/**
66	* @return bool
67	*/
68	public function isWpValid()
69	{
70	global $wp_version;
71	return !version_compare( $wp_version, $this->versions['wordpress'], '<' );
72	}
73
74	/**
75	* @param string $plugin
76	* @return void
77	*/
78	public function deactivate( $plugin )
79	{
80	if( $this->isValid() )return;
81	$pluginSlug = plugin_basename( $this->file );
82	if( $plugin == $pluginSlug ) {
83	$this->redirect(); //exit
84	}
85	$pluginData = get_file_data( $this->file, array( 'name' => 'Plugin Name' ), 'plugin' );
86	deactivate_plugins( $pluginSlug );
87	$this->printNotice( $pluginData['name'] );
88	}
89
90	/**
91	* @return array
92	*/
93	protected function getMessages()
94	{
95	return array(
96	__( 'The %s plugin was deactivated.', 'blackbar' ),
97	__( 'This plugin requires %s or greater in order to work properly.', 'blackbar' ),
98	__( 'Please contact your hosting provider or server administrator to upgrade the version of PHP on your server (your server is running PHP version %s), or try to find an alternative plugin.', 'blackbar' ),
99	__( 'PHP version', 'blackbar' ),
100	__( 'WordPress version', 'blackbar' ),
101	__( 'Update WordPress', 'blackbar' ),
102	__( 'You can use the %s plugin to restore %s to the previous version.', 'blackbar' ),
103	);
104	}
105
106	/**
107	* @param string $pluginName
108	* @return void
109	*/
110	protected function printNotice( $pluginName )
111	{
112	$noticeTemplate = '<div id="message" class="notice notice-error error is-dismissible"><p><strong>%s</strong></p><p>%s</p><p>%s</p></div>';
113	$messages = $this->getMessages();
114	$rollbackMessage = sprintf( '<strong>'.$messages[6].'</strong>', '<a href="https://wordpress.org/plugins/wp-rollback/">WP Rollback</a>', $pluginName );
115	if( !$this->isPhpValid() ) {
116	printf( $noticeTemplate,
117	sprintf( $messages[0], $pluginName ),
118	sprintf( $messages[1], $messages[3].' '.$this->versions['php'] ),
119	sprintf( $messages[2], PHP_VERSION ).'</p><p>'.$rollbackMessage
120	);
121	}
122	else if( !$this->isWpValid() ) {
123	printf( $noticeTemplate,
124	sprintf( $messages[0], $pluginName ),
125	sprintf( $messages[1], $messages[4].' '.$this->versions['wordpress'] ),
126	$rollbackMessage.'</p><p>'.sprintf( '<a href="%s">%s</a>', admin_url( 'update-core.php' ), $messages[5] )
127	);
128	}
129	}
130
131	/**
132	* @return void
133	*/
134	protected function redirect()
135	{
136	wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s',
137	filter_input( INPUT_GET, 'plugin_status' ),
138	filter_input( INPUT_GET, 'paged' ),
139	filter_input( INPUT_GET, 's' )
140	)));
141	exit;
142	}
143	}
144