GateKeeper::canActivate() - Code Metrics - Inspection of "prepare for WP submission" - pryley/pollux - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — develop ( bdcc19...bd72f8 )

by Paul

created 2017-05-12 19:55 UTC

GateKeeper::canActivate() A

↳ Parent: GateKeeper

Complexity

Conditions	2
Paths	2

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	2
nc	2
nop	0
dl	0
loc	4
rs	10
c	0
b	0
f	0

<?php

namespace GeminiLabs\Pollux;

use Exception;
use GeminiLabs\Pollux\Config\Config;
use ReflectionClass;

class GateKeeper
{
	/**
	 * [plugin_file_path] => [plugin_name]|[plugin_version]|[plugin_url]
	 */
	const DEPENDENCIES = [
		'meta-box/meta-box.php' => 'Meta Box|4.11|https://wordpress.org/plugins/meta-box/',
	];
	const MIN_PHP_VERSION = '5.6.0';
	const MIN_WORDPRESS_VERSION = '4.7';

	public $errors = [];

	/**
	 * @var Application
	 */
	protected $app;

	/**
	 * @var Notice
	 */
	protected $notice;

	/**
	 * @var string
	 */
	protected $plugin;

	public function __construct( $plugin )
	{
		$this->plugin = $plugin;

		if( $this->canActivate() ) {
			add_action( 'admin_init', array( $this, 'init' ));
		}
		else {
			add_action( 'activated_plugin', array( $this, 'deactivate' ));
			add_action( 'admin_notices',    array( $this, 'deactivate' ));
		}
	}

	public function init()
	{
		$this->app = pollux_app();
		$this->notice = pollux_app()->make( 'Notice' );

		add_action( 'current_screen',                         array( $this, 'activatePlugin' ));
		add_action( 'wp_ajax_pollux/dependency/activate_url', array( $this, 'ajaxActivatePluginLink' ));
		add_action( 'admin_notices',                          array( $this, 'printNotices' ));
		add_action( 'current_screen',                         array( $this, 'setDependencyNotice' ));
	}

	/**
	 * @return void
	 */
	public function activatePlugin()
	{
		if( get_current_screen()->id != sprintf( 'settings_page_%s', $this->app->id )
			|| filter_input( INPUT_GET, 'action' ) != 'activate'
		)return;
		$plugin = filter_input( INPUT_GET, 'plugin' );
		check_admin_referer( 'activate-plugin_' . $plugin );
		$result = activate_plugin( $plugin, null, is_network_admin(), true );
		if( is_wp_error( $result )) {
			wp_die( $result->get_error_message() );
		}
		wp_safe_redirect( wp_get_referer() );
		exit;
	}

	/**
	 * @return void
	 */
	public function ajaxActivatePluginLink()
	{
		check_ajax_referer( 'updates' );
		$plugin = filter_input( INPUT_POST, 'plugin' );
		if( !$this->isPluginDependency( $plugin )) {
			wp_send_json_error();
		}
		$activateUrl = add_query_arg([
			'_wpnonce' => wp_create_nonce( sprintf( 'activate-plugin_%s', $plugin )),
			'action' => 'activate',
			'page' => $this->app->id,
			'plugin' => $plugin,
		], self_admin_url( 'options-general.php' ));
		wp_send_json_success([
			'activate_url' => $activateUrl,
			filter_input( INPUT_POST, 'type' ) => $plugin,
		]);
	}

	/**
	 * @return bool
	 */
	public function canActivate()
	{
		return $this->hasValidPHPVersion() && $this->hasValidWPVersion();
	}

	/**
	 * @return void
	 * @action activated_plugin
	 * @action admin_notices
	 */
	public function deactivate( $plugin )
	{
		if( $plugin == $this->plugin ) {
			$this->redirect();
		}
		deactivate_plugins( $this->plugin );
		$addNotice = $this->hasValidPHPVersion()
			? 'addInvalidWPVersionNotice'
			: 'addInvalidPHPVersionNotice';
		$this->$addNotice();
	}

	/**
	 * @return bool
	 */
	public function hasDependency( $plugin )
	{
		if( !$this->isPluginDependency( $plugin )) {
			return true;
		}
		return $this->isPluginInstalled( $plugin ) && $this->isPluginValid( $plugin );
	}

	/**
	 * @return bool
	 */
	public function hasPendingDependencies()
	{
		foreach( static::DEPENDENCIES as $plugin => $data ) {
			if( !$this->isPluginDependency( $plugin ))continue;
			$this->isPluginActive( $plugin );
			$this->isPluginVersionValid( $plugin );
		}
		return !empty( $this->errors );
	}

	/**
	 * @return bool
	 */
	public function hasValidPHPVersion()
	{
		return version_compare( PHP_VERSION, self::MIN_PHP_VERSION, '>=' );
	}

	/**
	 * @return bool
	 */
	public function hasValidWPVersion()
	{
		global $wp_version;
		return version_compare( $wp_version, self::MIN_WORDPRESS_VERSION, '>=' );
	}

	/**
	 * @return bool
	 */
	public function isPluginActive( $plugin )
	{
		return $this->catchError( $plugin, 'inactive',
			is_plugin_active( $plugin ) || array_key_exists( $plugin, $this->getMustUsePlugins() )
		);
	}

	/**
	 * @return bool
	 */
	public function isPluginDependency( $plugin )
	{
		return array_key_exists( $plugin, static::DEPENDENCIES );
	}

	/**
	 * @return bool
	 */
	public function isPluginInstalled( $plugin )
	{
		return $this->catchError( $plugin, 'not_found',
			array_key_exists( $plugin, $this->getAllPlugins() )
		);
	}

	/**
	 * @return bool
	 */
	public function isPluginValid( $plugin )
	{
		return $this->isPluginActive( $plugin ) && $this->isPluginVersionValid( $plugin );
	}

	/**
	 * @return bool
	 */
	public function isPluginVersionValid( $plugin )
	{
		if( !$this->isPluginDependency( $plugin )) {
			return true;
		}
		if( !$this->isPluginInstalled( $plugin )) {
			return false;
		}
		return $this->catchError( $plugin, 'wrong_version', version_compare(
			$this->getPluginRequirements( $plugin, 'version' ),
			$this->getAllPlugins()[$plugin]['Version'],
			'<='
		));
	}

	/**
	 * @return void
	 */
	public function printNotices()
	{
		foreach( $this->notice->all as $notice ) {
			echo $this->notice->generate( $notice );
		}
	}

	/**
	 * @return void|null
	 */
	public function setDependencyNotice()
	{
		if( get_current_screen()->id != 'settings_page_pollux'
			|| $this->app->config->disable_config
			|| !$this->hasPendingDependencies()
		)return;
		$message = sprintf( '<strong>%s:</strong> %s',
			__( 'Pollux requires the latest version of the following plugins', 'pollux' ),
			$this->getDependencyLinks()
		);
		$this->notice->addWarning( [$message, $this->getDependencyActions()] );
	}

	/**
	 * @return void
	 */
	protected function addInvalidPHPVersionNotice()
	{
		$message1 = sprintf( __( 'Pollux requires PHP %s or greater in order to work properly (your server is running PHP %s).', 'pollux' ), self::MIN_PHP_VERSION, PHP_VERSION );
		$message2 = __( 'Please contact your webhosting provider or server administrator to upgrade the version of PHP running on your server, or use a different plugin.', 'pollux' );
		$this->printDeactivationNotice( sprintf( '%s %s',
			$message1,
			$message2
		));
	}

	/**
	 * @return void
	 */
	protected function addInvalidWPVersionNotice()
	{
		$message = sprintf( __( 'Pollux requires WordPress %s or greater in order to work properly.', 'pollux' ), self::MIN_WORDPRESS_VERSION );
		if( current_user_can( 'update_core' )) {
			$message .= PHP_EOL . PHP_EOL . sprintf( '<a href="%s" class="button button-small">%s</a>',
				self_admin_url( 'update-core.php' ),
				__( 'Update WordPress', 'pollux' )
			);
		}
		$this->printDeactivationNotice( $message );
	}

	/**
	 * @param string $plugin
	 * @param string $error
	 * @param bool $isValid
	 * @return bool
	 */
	protected function catchError( $plugin, $error, $isValid )
	{
		if( !$isValid ) {
			if( !isset( $this->errors[$plugin] )) {
				$this->errors[$plugin] = [];
			}
			$this->errors[$plugin] = array_keys( array_flip(
				array_merge( $this->errors[$plugin], [$error] )
			));
		}
		return $isValid;
	}

	/**
	 * @return array
	 */
	protected function getAllPlugins()
	{
		require_once ABSPATH . 'wp-admin/includes/plugin.php';
		return array_merge( get_plugins(), $this->getMustUsePlugins() );
	}

	/**
	 * @return string
	 */
	protected function getDependencyActions()
	{
		$actions = '';
		foreach( $this->errors as $plugin => $errors ) {
			if( in_array( 'not_found', $errors ) && current_user_can( 'install_plugins' )) {
				$actions .= $this->notice->installButton( $this->getPluginRequirements( $plugin ));

			}
			else if( in_array( 'wrong_version', $errors ) && current_user_can( 'update_plugins' )) {
				$actions .= $this->notice->updateButton( $this->getPluginInformation( $plugin ));

			}
			else if( in_array( 'inactive', $errors ) && current_user_can( 'activate_plugins' )) {
				$actions .= $this->notice->activateButton( $this->getPluginInformation( $plugin ));

			}
		}
		return $actions;
	}

	/**
	 * @return string
	 */
	protected function getDependencyLinks()
	{
		return array_reduce( array_keys( $this->errors ), function( $carry, $plugin ) {
			return $carry . $this->getPluginLink( $plugin );
		});
	}

	/**
	 * @return array
	 */
	protected function getMustUsePlugins()
	{
		$plugins = get_mu_plugins();
		if( in_array( 'Bedrock Autoloader', array_column( $plugins, 'Name' ))) {
			$autoloadedPlugins = get_site_option( 'bedrock_autoloader' );
			if( !empty( $autoloadedPlugins['plugins'] )) {
				return array_merge( $plugins, $autoloadedPlugins['plugins'] );
			}
		}
		return $plugins;
	}

	/**
	 * @return array|false
	 */
	protected function getPlugin( $plugin )
	{
		if( $this->isPluginInstalled( $plugin )) {
			return $this->getAllPlugins()[$plugin];
		}
		return false;
	}

	/**
	 * @return array|string
	 */
	protected function getPluginData( $plugin, $data, $key = null )
	{
		if( !is_array( $data )) {
			throw new Exception( sprintf( 'Plugin information not found for: %s', $plugin ));
		}
		$data['plugin'] = $plugin;
		$data['slug'] = $this->getPluginSlug( $plugin );
		$data = array_change_key_case( $data );
		if( is_null( $key )) {
			return $data;
		}
		$key = strtolower( $key );
		return isset( $data[$key] )
			? $data[$key]
			: '';
	}

	/**
	 * @return array|string
	 */
	protected function getPluginInformation( $plugin, $key = null )
	{
		return $this->getPluginData( $plugin, $this->getPlugin( $plugin ), $key );
	}

	/**
	 * @return string
	 */
	protected function getPluginLink( $plugin )
	{
		try {
			$data = $this->getPluginInformation( $plugin );
		}
		catch( Exception $e ) {
			$data = $this->getPluginRequirements( $plugin );
		}
		return sprintf( '<span class="plugin-%s"><a href="%s">%s</a></span>',
			$data['slug'],
			$data['pluginuri'],
			$data['name']
		);
	}

	/**
	 * @return array|string
	 */
	protected function getPluginRequirements( $plugin, $key = null )
	{
		$keys = ['Name', 'Version', 'PluginURI'];
		$requirements = $this->isPluginDependency( $plugin )
			? array_pad( explode( '|', static::DEPENDENCIES[$plugin] ), 3, '' )
			: array_fill( 0, 3, '' );
		return $this->getPluginData( $plugin, array_combine( $keys, $requirements ), $key );
	}

	/**
	 * @return string
	 */
	protected function getPluginSlug( $plugin )
	{
		return substr( $plugin, 0, strrpos( $plugin, '/' ));
	}

	/**
	 * @return void
	 */
	protected function printDeactivationNotice( $message )
	{
		printf( '<div class="notice notice-error is-dismissible"><p><strong>%s</strong></p>%s</div>',
			__( 'The Pollux plugin was deactivated.', 'pollux' ),
			wpautop( $message )
		);
	}

	/**
	 * @return void
	 */
	protected function redirect()
	{
		wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s',
			filter_input( INPUT_GET, 'plugin_status' ),
			filter_input( INPUT_GET, 'paged' ),
			filter_input( INPUT_GET, 's' )
		)));
		exit;
	}
}


1			<?php
2
3			namespace GeminiLabs\Pollux;
4
5			use Exception;
6			use GeminiLabs\Pollux\Config\Config;
7			use ReflectionClass;
8
9			class GateKeeper
10			{
11			/**
12			* [plugin_file_path] => [plugin_name]\|[plugin_version]\|[plugin_url]
13			*/
14			const DEPENDENCIES = [
15			'meta-box/meta-box.php' => 'Meta Box\|4.11\|https://wordpress.org/plugins/meta-box/',
16			];
17			const MIN_PHP_VERSION = '5.6.0';
18			const MIN_WORDPRESS_VERSION = '4.7';
19
20			public $errors = [];
21
22			/**
23			* @var Application
24			*/
25			protected $app;
26
27			/**
28			* @var Notice
29			*/
30			protected $notice;
31
32			/**
33			* @var string
34			*/
35			protected $plugin;
36
37			public function __construct( $plugin )
38			{
39			$this->plugin = $plugin;
40
41			if( $this->canActivate() ) {
42			add_action( 'admin_init', array( $this, 'init' ));
43			}
44			else {
45			add_action( 'activated_plugin', array( $this, 'deactivate' ));
46			add_action( 'admin_notices', array( $this, 'deactivate' ));
47			}
48			}
49
50			public function init()
51			{
52			$this->app = pollux_app();
53			$this->notice = pollux_app()->make( 'Notice' );
54
55			add_action( 'current_screen', array( $this, 'activatePlugin' ));
56			add_action( 'wp_ajax_pollux/dependency/activate_url', array( $this, 'ajaxActivatePluginLink' ));
57			add_action( 'admin_notices', array( $this, 'printNotices' ));
58			add_action( 'current_screen', array( $this, 'setDependencyNotice' ));
59			}
60
61			/**
62			* @return void
63			*/
64			public function activatePlugin()
65			{
66			if( get_current_screen()->id != sprintf( 'settings_page_%s', $this->app->id )
67			\|\| filter_input( INPUT_GET, 'action' ) != 'activate'
68			)return;
69			$plugin = filter_input( INPUT_GET, 'plugin' );
70			check_admin_referer( 'activate-plugin_' . $plugin );
71			$result = activate_plugin( $plugin, null, is_network_admin(), true );
72			if( is_wp_error( $result )) {
73			wp_die( $result->get_error_message() );
74			}
75			wp_safe_redirect( wp_get_referer() );
76			exit;
77			}
78
79			/**
80			* @return void
81			*/
82			public function ajaxActivatePluginLink()
83			{
84			check_ajax_referer( 'updates' );
85			$plugin = filter_input( INPUT_POST, 'plugin' );
86			if( !$this->isPluginDependency( $plugin )) {
87			wp_send_json_error();
88			}
89			$activateUrl = add_query_arg([
90			'_wpnonce' => wp_create_nonce( sprintf( 'activate-plugin_%s', $plugin )),
91			'action' => 'activate',
92			'page' => $this->app->id,
93			'plugin' => $plugin,
94			], self_admin_url( 'options-general.php' ));
95			wp_send_json_success([
96			'activate_url' => $activateUrl,
97			filter_input( INPUT_POST, 'type' ) => $plugin,
98			]);
99			}
100
101			/**
102			* @return bool
103			*/
104			public function canActivate()
105			{
106			return $this->hasValidPHPVersion() && $this->hasValidWPVersion();
107			}
108
109			/**
110			* @return void
111			* @action activated_plugin
112			* @action admin_notices
113			*/
114			public function deactivate( $plugin )
115			{
116			if( $plugin == $this->plugin ) {
117			$this->redirect();
118			}
119			deactivate_plugins( $this->plugin );
120			$addNotice = $this->hasValidPHPVersion()
121			? 'addInvalidWPVersionNotice'
122			: 'addInvalidPHPVersionNotice';
123			$this->$addNotice();
124			}
125
126			/**
127			* @return bool
128			*/
129			public function hasDependency( $plugin )
130			{
131			if( !$this->isPluginDependency( $plugin )) {
132			return true;
133			}
134			return $this->isPluginInstalled( $plugin ) && $this->isPluginValid( $plugin );
135			}
136
137			/**
138			* @return bool
139			*/
140			public function hasPendingDependencies()
141			{
142			foreach( static::DEPENDENCIES as $plugin => $data ) {
143			if( !$this->isPluginDependency( $plugin ))continue;
144			$this->isPluginActive( $plugin );
145			$this->isPluginVersionValid( $plugin );
146			}
147			return !empty( $this->errors );
148			}
149
150			/**
151			* @return bool
152			*/
153			public function hasValidPHPVersion()
154			{
155			return version_compare( PHP_VERSION, self::MIN_PHP_VERSION, '>=' );
156			}
157
158			/**
159			* @return bool
160			*/
161			public function hasValidWPVersion()
162			{
163			global $wp_version;
164			return version_compare( $wp_version, self::MIN_WORDPRESS_VERSION, '>=' );
165			}
166
167			/**
168			* @return bool
169			*/
170			public function isPluginActive( $plugin )
171			{
172			return $this->catchError( $plugin, 'inactive',
173			is_plugin_active( $plugin ) \|\| array_key_exists( $plugin, $this->getMustUsePlugins() )
174			);
175			}
176
177			/**
178			* @return bool
179			*/
180			public function isPluginDependency( $plugin )
181			{
182			return array_key_exists( $plugin, static::DEPENDENCIES );
183			}
184
185			/**
186			* @return bool
187			*/
188			public function isPluginInstalled( $plugin )
189			{
190			return $this->catchError( $plugin, 'not_found',
191			array_key_exists( $plugin, $this->getAllPlugins() )
192			);
193			}
194
195			/**
196			* @return bool
197			*/
198			public function isPluginValid( $plugin )
199			{
200			return $this->isPluginActive( $plugin ) && $this->isPluginVersionValid( $plugin );
201			}
202
203			/**
204			* @return bool
205			*/
206			public function isPluginVersionValid( $plugin )
207			{
208			if( !$this->isPluginDependency( $plugin )) {
209			return true;
210			}
211			if( !$this->isPluginInstalled( $plugin )) {
212			return false;
213			}
214			return $this->catchError( $plugin, 'wrong_version', version_compare(
215			$this->getPluginRequirements( $plugin, 'version' ),
216			$this->getAllPlugins()[$plugin]['Version'],
217			'<='
218			));
219			}
220
221			/**
222			* @return void
223			*/
224			public function printNotices()
225			{
226			foreach( $this->notice->all as $notice ) {
227			echo $this->notice->generate( $notice );
228			}
229			}
230
231			/**
232			* @return void\|null
233			*/
234			public function setDependencyNotice()
235			{
236			if( get_current_screen()->id != 'settings_page_pollux'
237			\|\| $this->app->config->disable_config
238			\|\| !$this->hasPendingDependencies()
239			)return;
240			$message = sprintf( '<strong>%s:</strong> %s',
241			__( 'Pollux requires the latest version of the following plugins', 'pollux' ),
242			$this->getDependencyLinks()
243			);
244			$this->notice->addWarning( [$message, $this->getDependencyActions()] );
245			}
246
247			/**
248			* @return void
249			*/
250			protected function addInvalidPHPVersionNotice()
251			{
252			$message1 = sprintf( __( 'Pollux requires PHP %s or greater in order to work properly (your server is running PHP %s).', 'pollux' ), self::MIN_PHP_VERSION, PHP_VERSION );
253			$message2 = __( 'Please contact your webhosting provider or server administrator to upgrade the version of PHP running on your server, or use a different plugin.', 'pollux' );
254			$this->printDeactivationNotice( sprintf( '%s %s',
255			$message1,
256			$message2
257			));
258			}
259
260			/**
261			* @return void
262			*/
263			protected function addInvalidWPVersionNotice()
264			{
265			$message = sprintf( __( 'Pollux requires WordPress %s or greater in order to work properly.', 'pollux' ), self::MIN_WORDPRESS_VERSION );
266			if( current_user_can( 'update_core' )) {
267			$message .= PHP_EOL . PHP_EOL . sprintf( '<a href="%s" class="button button-small">%s</a>',
268			self_admin_url( 'update-core.php' ),
269			__( 'Update WordPress', 'pollux' )
270			);
271			}
272			$this->printDeactivationNotice( $message );
273			}
274
275			/**
276			* @param string $plugin
277			* @param string $error
278			* @param bool $isValid
279			* @return bool
280			*/
281			protected function catchError( $plugin, $error, $isValid )
282			{
283			if( !$isValid ) {
284			if( !isset( $this->errors[$plugin] )) {
285			$this->errors[$plugin] = [];
286			}
287			$this->errors[$plugin] = array_keys( array_flip(
288			array_merge( $this->errors[$plugin], [$error] )
289			));
290			}
291			return $isValid;
292			}
293
294			/**
295			* @return array
296			*/
297			protected function getAllPlugins()
298			{
299			require_once ABSPATH . 'wp-admin/includes/plugin.php';
300			return array_merge( get_plugins(), $this->getMustUsePlugins() );
301			}
302
303			/**
304			* @return string
305			*/
306			protected function getDependencyActions()
307			{
308			$actions = '';
309			foreach( $this->errors as $plugin => $errors ) {
310			if( in_array( 'not_found', $errors ) && current_user_can( 'install_plugins' )) {
311			$actions .= $this->notice->installButton( $this->getPluginRequirements( $plugin ));
			0 ignored issues – show Bug introduced 2017-05-12 06:12 UTC by Report Bug Copy Issue Report It seems like `$this->getPluginRequirements($plugin)` targeting `GeminiLabs\Pollux\GateKe...getPluginRequirements()` can also be of type `string`; however, `GeminiLabs\Pollux\Notice::installButton()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
312			}
313			else if( in_array( 'wrong_version', $errors ) && current_user_can( 'update_plugins' )) {
314			$actions .= $this->notice->updateButton( $this->getPluginInformation( $plugin ));
			0 ignored issues – show Bug introduced 2017-05-12 06:12 UTC by Report Bug Copy Issue Report It seems like `$this->getPluginInformation($plugin)` targeting `GeminiLabs\Pollux\GateKe...:getPluginInformation()` can also be of type `string`; however, `GeminiLabs\Pollux\Notice::updateButton()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
315			}
316			else if( in_array( 'inactive', $errors ) && current_user_can( 'activate_plugins' )) {
317			$actions .= $this->notice->activateButton( $this->getPluginInformation( $plugin ));
			0 ignored issues – show Bug introduced 2017-05-12 06:12 UTC by Report Bug Copy Issue Report It seems like `$this->getPluginInformation($plugin)` targeting `GeminiLabs\Pollux\GateKe...:getPluginInformation()` can also be of type `string`; however, `GeminiLabs\Pollux\Notice::activateButton()` does only seem to accept `array`, maybe add an additional type check? This check looks at variables that are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
318			}
319			}
320			return $actions;
321			}
322
323			/**
324			* @return string
325			*/
326			protected function getDependencyLinks()
327			{
328			return array_reduce( array_keys( $this->errors ), function( $carry, $plugin ) {
329			return $carry . $this->getPluginLink( $plugin );
330			});
331			}
332
333			/**
334			* @return array
335			*/
336			protected function getMustUsePlugins()
337			{
338			$plugins = get_mu_plugins();
339			if( in_array( 'Bedrock Autoloader', array_column( $plugins, 'Name' ))) {
340			$autoloadedPlugins = get_site_option( 'bedrock_autoloader' );
341			if( !empty( $autoloadedPlugins['plugins'] )) {
342			return array_merge( $plugins, $autoloadedPlugins['plugins'] );
343			}
344			}
345			return $plugins;
346			}
347
348			/**
349			* @return array\|false
350			*/
351			protected function getPlugin( $plugin )
352			{
353			if( $this->isPluginInstalled( $plugin )) {
354			return $this->getAllPlugins()[$plugin];
355			}
356			return false;
357			}
358
359			/**
360			* @return array\|string
361			*/
362			protected function getPluginData( $plugin, $data, $key = null )
363			{
364			if( !is_array( $data )) {
365			throw new Exception( sprintf( 'Plugin information not found for: %s', $plugin ));
366			}
367			$data['plugin'] = $plugin;
368			$data['slug'] = $this->getPluginSlug( $plugin );
369			$data = array_change_key_case( $data );
370			if( is_null( $key )) {
371			return $data;
372			}
373			$key = strtolower( $key );
374			return isset( $data[$key] )
375			? $data[$key]
376			: '';
377			}
378
379			/**
380			* @return array\|string
381			*/
382			protected function getPluginInformation( $plugin, $key = null )
383			{
384			return $this->getPluginData( $plugin, $this->getPlugin( $plugin ), $key );
385			}
386
387			/**
388			* @return string
389			*/
390			protected function getPluginLink( $plugin )
391			{
392			try {
393			$data = $this->getPluginInformation( $plugin );
394			}
395			catch( Exception $e ) {
396			$data = $this->getPluginRequirements( $plugin );
397			}
398			return sprintf( '<span class="plugin-%s"><a href="%s">%s</a></span>',
399			$data['slug'],
400			$data['pluginuri'],
401			$data['name']
402			);
403			}
404
405			/**
406			* @return array\|string
407			*/
408			protected function getPluginRequirements( $plugin, $key = null )
409			{
410			$keys = ['Name', 'Version', 'PluginURI'];
411			$requirements = $this->isPluginDependency( $plugin )
412			? array_pad( explode( '\|', static::DEPENDENCIES[$plugin] ), 3, '' )
413			: array_fill( 0, 3, '' );
414			return $this->getPluginData( $plugin, array_combine( $keys, $requirements ), $key );
415			}
416
417			/**
418			* @return string
419			*/
420			protected function getPluginSlug( $plugin )
421			{
422			return substr( $plugin, 0, strrpos( $plugin, '/' ));
423			}
424
425			/**
426			* @return void
427			*/
428			protected function printDeactivationNotice( $message )
429			{
430			printf( '<div class="notice notice-error is-dismissible"><p><strong>%s</strong></p>%s</div>',
431			__( 'The Pollux plugin was deactivated.', 'pollux' ),
432			wpautop( $message )
433			);
434			}
435
436			/**
437			* @return void
438			*/
439			protected function redirect()
440			{
441			wp_safe_redirect( self_admin_url( sprintf( 'plugins.php?plugin_status=%s&paged=%s&s=%s',
442			filter_input( INPUT_GET, 'plugin_status' ),
443			filter_input( INPUT_GET, 'paged' ),
444			filter_input( INPUT_GET, 's' )
445			)));
446			exit;
447			}
448			}
449

pryley / pollux

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GateKeeper::canActivate() A

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