diff --git a/src/Basic_Requirement_Checker.php b/src/Basic_Requirement_Checker.php
index 818046552ddd297ec628f59f4422eb01411185ba..52d585057eac53765538ba5e7aea8f98b5288d28 100644
--- a/src/Basic_Requirement_Checker.php
+++ b/src/Basic_Requirement_Checker.php
@@ -5,634 +5,672 @@ if ( ! interface_exists( 'WPDesk_Requirement_Checker' ) ) {
}
if ( ! class_exists( 'WPDesk_Basic_Requirement_Checker' ) ) {
- /**
- * Checks requirements for plugin
- * have to be compatible with PHP 5.3.x
- */
- class WPDesk_Basic_Requirement_Checker implements WPDesk_Requirement_Checker {
- const EXTENSION_NAME_OPENSSL = 'openssl';
- const HOOK_ADMIN_NOTICES_ACTION = 'admin_notices';
- const HOOK_PLUGIN_DEACTIVATED_ACTION = 'deactivated_plugin';
- const HOOK_PLUGIN_ACTIVATED_ACTION = 'activated_plugin';
-
- const PLUGIN_INFO_KEY_NICE_NAME = 'nice_name';
- const PLUGIN_INFO_KEY_NAME = 'name';
- const PLUGIN_INFO_VERSION = 'version';
- const PLUGIN_INFO_FAKE_REQUIRED_MINIMUM_VERSION = '0.0';
- const PLUGIN_INFO_APPEND_PLUGIN_DATA = 'required_version';
- const PLUGIN_INFO_TRANSIENT_NAME = 'require_plugins_data';
- const EXPIRATION_TRANSIENT_NAME = 'require_plugins_data_exp';
- const CACHE_TIME = 300;
-
- /** @var string */
- protected $plugin_name;
- /** @var string */
- private $plugin_file;
- /** @var string */
- private $min_php_version;
- /** @var string */
- private $min_wp_version;
- /** @var string|null */
- private $min_wc_version = null;
- /** @var int|null */
- private $min_openssl_version = null;
- /** @var array */
- protected $plugin_require;
- /** @var bool */
- protected $should_check_plugin_versions = false;
- /** @var array */
- private $module_require;
- /** @var array */
- private $setting_require;
- /** @var array */
- protected $notices;
- /** @var @string */
- private $text_domain;
-
- /**
- * @param string $plugin_file
- * @param string $plugin_name
- * @param string $text_domain
- * @param string $php_version
- * @param string $wp_version
- */
- public function __construct( $plugin_file, $plugin_name, $text_domain, $php_version, $wp_version ) {
- $this->plugin_file = $plugin_file;
- $this->plugin_name = $plugin_name;
- $this->text_domain = $text_domain;
-
- $this->set_min_php_require( $php_version );
- $this->set_min_wp_require( $wp_version );
-
- $this->plugin_require = array();
- $this->module_require = array();
- $this->setting_require = array();
- $this->notices = array();
- }
-
- /**
- * @param string $version
- *
- * @return $this
- */
- public function set_min_php_require( $version ) {
- $this->min_php_version = $version;
-
- return $this;
- }
-
- /**
- * @param string $version
- *
- * @return $this
- */
- public function set_min_wp_require( $version ) {
- $this->min_wp_version = $version;
-
- return $this;
- }
-
- /**
- * @param string $version
- *
- * @return $this
- */
- public function set_min_wc_require( $version ) {
- $this->min_wc_version = $version;
-
- return $this;
- }
-
- /**
- * @param $version
- *
- * @return $this
- */
- public function set_min_openssl_require( $version ) {
- $this->min_openssl_version = $version;
-
- return $this;
- }
-
- /**
- * @param string $plugin_name Name in wp format dir/file.php
- * @param string $nice_plugin_name Nice plugin name for better looks in notice
- * @param string $plugin_require_version required plugin minimum version
- *
- * @return $this
- */
- public function add_plugin_require( $plugin_name, $nice_plugin_name = null, $plugin_require_version = null ) {
- if ( $plugin_require_version ) {
- $this->should_check_plugin_versions = true;
- }
- $this->plugin_require[ $plugin_name ] = array(
- self::PLUGIN_INFO_KEY_NAME => $plugin_name,
- self::PLUGIN_INFO_KEY_NICE_NAME => $nice_plugin_name === null ? $plugin_name : $nice_plugin_name,
- self::PLUGIN_INFO_VERSION => $plugin_require_version === null ?
- self::PLUGIN_INFO_FAKE_REQUIRED_MINIMUM_VERSION : $plugin_require_version,
- );
-
- return $this;
- }
-
- /**
- * Add plugin to require list. Plugin is from repository so we can ask for installation.
- *
- * @param string $plugin_name Name in wp format dir/file.php
- * @param string $version Required version of the plugin.
- * @param string $nice_plugin_name Nice plugin name for better looks in notice
- *
- * @return $this
- */
- public function add_plugin_repository_require( $plugin_name, $version, $nice_plugin_name = null ) {
- $this->plugin_require[ $plugin_name ] = array(
- self::PLUGIN_INFO_KEY_NAME => $plugin_name,
- self::PLUGIN_INFO_VERSION => $version,
- 'repository_url' => 'http://downloads.wordpress.org/plugin/' . dirname( $plugin_name ) . '.latest-stable.zip',
- self::PLUGIN_INFO_KEY_NICE_NAME => $nice_plugin_name === null ? $plugin_name : $nice_plugin_name
- );
-
- return $this;
- }
-
- /**
- * @param string $module_name
- * @param string $nice_name Nice module name for better looks in notice
- *
- * @return $this
- */
- public function add_php_module_require( $module_name, $nice_name = null ) {
- if ( $nice_name === null ) {
- $this->module_require[ $module_name ] = $module_name;
- } else {
- $this->module_require[ $module_name ] = $nice_name;
- }
-
- return $this;
- }
-
- /**
- * @param string $setting
- * @param mixed $value
- *
- * @return $this
- */
- public function add_php_setting_require( $setting, $value ) {
- $this->setting_require[ $setting ] = $value;
-
- return $this;
- }
-
- /**
- * Returns true if are requirements are met.
- *
- * @return bool
- */
- public function are_requirements_met() {
- $this->notices = $this->prepare_requirement_notices();
-
- return count( $this->notices ) === 0;
- }
-
- /**
- * @return array
- */
- private function prepare_requirement_notices() {
- $notices = array();
- if ( ! self::is_php_at_least( $this->min_php_version ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run on PHP versions older than %s. Please contact your host and ask them to upgrade.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ), $this->min_php_version ) );
- }
- if ( ! self::is_wp_at_least( $this->min_wp_version ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run on WordPress versions older than %s. Please update WordPress.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ), $this->min_wp_version ) );
- }
- if ( $this->min_wc_version !== null && $this->can_check_plugin_version() && ! self::is_wc_at_least( $this->min_wc_version ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run on WooCommerce versions older than %s. Please update WooCommerce.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ), $this->min_wc_version ) );
- }
- if ( $this->min_openssl_version !== null && ! self::is_open_ssl_at_least( $this->min_openssl_version ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run without OpenSSL module version at least %s. Please update OpenSSL module.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ),
- '0x' . dechex( $this->min_openssl_version ) ) );
- }
-
- $notices = $this->append_plugin_require_notices( $notices );
- $notices = $this->append_module_require_notices( $notices );
- $notices = $this->append_settings_require_notices( $notices );
- if ( $this->should_check_plugin_versions ) {
- $notices = $this->check_minimum_require_plugins_version_and_append_notices( $notices );
- }
-
- return $notices;
- }
-
- /**
- * @param $min_version
- *
- * @return mixed
- */
- public static function is_php_at_least( $min_version ) {
- return version_compare( PHP_VERSION, $min_version, '>=' );
- }
-
- /**
- * Prepares message in html format
- *
- * @param string $message
- *
- * @return string
- */
- protected function prepare_notice_message( $message ) {
- return '<div class="error"><p>' . $message . '</p></div>';
- }
-
- public function get_text_domain() {
- return $this->text_domain;
- }
-
- /**
- * @param string $min_version
- *
- * @return bool
- */
- public static function is_wp_at_least( $min_version ) {
- return version_compare( get_bloginfo( 'version' ), $min_version, '>=' );
- }
-
- /**
- * Are plugins loaded so we can check the version
- *
- * @return bool
- */
- private function can_check_plugin_version() {
- return did_action( 'plugins_loaded' ) > 0;
- }
-
- /**
- * Checks if plugin is active and have designated version. Needs to be enabled in deferred way.
- *
- * @param string $min_version
- *
- * @return bool
- */
- public static function is_wc_at_least( $min_version ) {
- return defined( 'WC_VERSION' ) &&
- version_compare( WC_VERSION, $min_version, '>=' );
- }
-
- /**
- * Checks if ssl version is valid
- *
- * @param int $required_version Version in hex. Version 9.6 is 0x000906000
- *
- * @return bool
- * @see https://www.openssl.org/docs/man1.1.0/crypto/OPENSSL_VERSION_NUMBER.html
- *
- */
- public static function is_open_ssl_at_least( $required_version ) {
- return defined( 'OPENSSL_VERSION_NUMBER' ) && OPENSSL_VERSION_NUMBER > (int) $required_version;
- }
-
- /**
- * @param $notices array
- *
- * @return array
- */
- private function check_minimum_require_plugins_version_and_append_notices( $notices ) {
- $required_plugins = $this->retrieve_required_plugins_data();
- if ( count( $required_plugins ) > 0 ) {
- foreach ( $required_plugins as $plugin ) {
- if ( version_compare( $plugin['Version'], $plugin[ self::PLUGIN_INFO_APPEND_PLUGIN_DATA ], '<' ) ) {
- $notices[] = $this->prepare_notice_message(
- sprintf(
- __( 'The “%1$s” plugin requires at least %2$s version of %3$s to work correctly. Please update it to its latest release.', $this->get_text_domain() ),
- esc_html( $this->plugin_name ),
- $plugin[ self::PLUGIN_INFO_APPEND_PLUGIN_DATA ],
- $plugin['Name']
- )
- );
- }
- }
- }
-
- return $notices;
- }
-
- /**
- * Check the plugins directory and retrieve all plugin files with plugin data.
- *
- * @return array In format [ 'plugindir/pluginfile.php' => ['Name' => 'Plugin Name', 'Version' => '1.0.1', ...], ]
- */
- private static function retrieve_plugins_data_in_transient() {
- $current_time = time();
- $plugins = get_transient( self::PLUGIN_INFO_TRANSIENT_NAME );
- $expiration_time = get_transient( self::EXPIRATION_TRANSIENT_NAME );
- $is_expired = ! $expiration_time || $current_time > $expiration_time;
-
- if ( $plugins === false || $is_expired ) {
- static $never_executed = true;
- if ( $never_executed ) {
- $never_executed = false;
- /** Required when WC starts later and these data should be in cache */
- add_filter( 'extra_plugin_headers', function ( $headers = array() ) {
- $headers[] = 'WC tested up to';
- $headers[] = 'WC requires at least';
- $headers[] = 'Woo';
-
- return array_unique( $headers );
- } );
- }
-
- if ( ! function_exists( 'get_plugins' ) ) {
- require_once ABSPATH . '/wp-admin/includes/plugin.php';
- }
-
- $plugins = function_exists( 'get_plugins' ) ? get_plugins() : array();
- set_transient( self::PLUGIN_INFO_TRANSIENT_NAME, $plugins, 0 );
- set_transient( self::EXPIRATION_TRANSIENT_NAME, $current_time + self::CACHE_TIME , 0 );
- }
-
- return $plugins;
- }
-
- /**
- * Check the plugins directory and retrieve all required plugin files with plugin data.
- *
- * @return array In format [ 'plugindir/pluginfile.php' => ['Name' => 'Plugin Name', 'Version' => '1.0.1', 'required_version' => '1.0.2']... ]
- */
- private function retrieve_required_plugins_data() {
-
- $require_plugins = array();
- $plugins = self::retrieve_plugins_data_in_transient();
- if ( is_array( $plugins ) ) {
- if ( count( $plugins ) > 0 ) {
- if ( ! empty( $this->plugin_require ) ) {
- foreach ( $this->plugin_require as $plugin ) {
- $plugin_file_name = $plugin[ self::PLUGIN_INFO_KEY_NAME ];
- $plugin_version = $plugin[ self::PLUGIN_INFO_VERSION ];
-
- if ( self::is_wp_plugin_active( $plugin_file_name ) ) {
- $require_plugins[ $plugin_file_name ] = $plugins[ $plugin_file_name ];
- $require_plugins[ $plugin_file_name ][ self::PLUGIN_INFO_APPEND_PLUGIN_DATA ] = $plugin_version;
- }
- }
- }
- }
- }
-
- return $require_plugins;
- }
-
- /**
- * @param array $notices
- *
- * @return array
- */
- private function append_plugin_require_notices( $notices ) {
- if ( count( $this->plugin_require ) > 0 ) {
- foreach ( $this->plugin_require as $plugin_name => $plugin_info ) {
- $notice = null;
- if ( isset( $plugin_info['repository_url'] ) ) {
- $notice = $this->prepare_plugin_repository_require_notice( $plugin_info );
- } elseif ( ! self::is_wp_plugin_active( $plugin_name ) ) {
- $notice = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run without %s active. Please install and activate %s plugin.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ),
- esc_html( basename( $plugin_info[ self::PLUGIN_INFO_KEY_NICE_NAME ] ) ),
- esc_html( basename( $plugin_info[ self::PLUGIN_INFO_KEY_NICE_NAME ] ) ) ) );
- }
-
- if ( $notice !== null ) {
- $notices[] = $notice;
- }
- }
- }
-
- return $notices;
- }
-
- /**
- * Prepares WP install url and injects info about plugin to the WP update engine.
- *
- * @param array $plugin_info
- *
- * @return string
- */
- private function prepare_plugin_repository_install_url( $plugin_info ) {
- $slug = basename( $plugin_info[ self::PLUGIN_INFO_KEY_NAME ] );
- $install_url = self_admin_url( 'update.php?action=install-plugin&plugin=' . $slug );
- if ( function_exists( 'wp_nonce_url' ) && function_exists( 'wp_create_nonce' ) ) {
- $install_url = wp_nonce_url( $install_url, 'install-plugin_' . $slug );
- }
- add_filter( 'plugins_api', function ( $api, $action, $args ) use ( $plugin_info, $slug ) {
- if ( 'plugin_information' !== $action ||
- false !== $api ||
- ! isset( $args->slug ) ||
- $slug !== $args->slug
- ) {
- return $api;
- }
-
- $api = new stdClass();
- $api->name = $plugin_info['nice_name']; // self in closures requires 5.4
- $api->version = '';
- $api->download_link = esc_url( $plugin_info['repository_url'] ); // self in closures requires 5.4
-
- return $api;
- }, 10, 3 );
-
- return $install_url;
- }
-
- /**
- * @param array $plugin_info Internal required plugin info data.
- *
- * @return string|null Return null if no notice is needed.
- */
- private function prepare_plugin_repository_require_notice( $plugin_info ) {
- $name = $plugin_info[ self::PLUGIN_INFO_KEY_NAME ];
- $nice_name = $plugin_info[ self::PLUGIN_INFO_KEY_NICE_NAME ];
-
- if ( ! self::is_wp_plugin_active( $name ) ) {
- if ( ! self::is_wp_plugin_installed( $name ) ) {
- $install_url = $this->prepare_plugin_repository_install_url( $plugin_info );
-
- return $this->prepare_notice_message( sprintf( wp_kses( __( 'The “%s” plugin requires free %s plugin. <a href="%s">Install %s</a>',
- $this->get_text_domain() ), array( 'a' => array( 'href' => array() ) ) ),
- $this->plugin_name, $nice_name, esc_url( $install_url ), $nice_name ) );
- }
- $activate_url = 'plugins.php?action=activate&plugin=' . urlencode( $plugin_info[ self::PLUGIN_INFO_KEY_NAME ] ) . '&plugin_status=all&paged=1&s';
- if ( function_exists( 'wp_create_nonce' ) ) {
- $activate_url .= '&_wpnonce=' . urlencode( wp_create_nonce( 'activate-plugin_' . $name ) );
- }
-
- return $this->prepare_notice_message( sprintf( wp_kses( __( 'The “%s” plugin requires activating %s plugin. <a href="%s">Activate %s</a>',
- $this->get_text_domain() ), array( 'a' => array( 'href' => array() ) ) ),
- $this->plugin_name, $nice_name, esc_url( admin_url( $activate_url ) ), $nice_name ) );
- }
-
- return null;
- }
-
- /**
- * Checks if plugin is active. Needs to be used in deferred way.
- *
- * @param string $plugin_file
- *
- * @return bool
- */
- public static function is_wp_plugin_active( $plugin_file ) {
- $active_plugins = (array) get_option( 'active_plugins', array() );
-
- if ( is_multisite() ) {
- $active_plugins = array_merge( $active_plugins, get_site_option( 'active_sitewide_plugins', array() ) );
- }
-
- return in_array( $plugin_file, $active_plugins ) || array_key_exists( $plugin_file, $active_plugins );
- }
-
- /**
- * Checks if plugin is installed. Needs to be enabled in deferred way.
- *
- * @param string $plugin_file
- *
- * @return bool
- */
- public static function is_wp_plugin_installed( $plugin_file ) {
- $plugins_data = self::retrieve_plugins_data_in_transient();
-
- return array_key_exists( $plugin_file, (array) $plugins_data );
- }
-
- /**
- * @param array $notices
- *
- * @return array
- */
- private function append_module_require_notices( $notices ) {
- if ( count( $this->module_require ) > 0 ) {
- foreach ( $this->module_require as $module_name => $nice_module_name ) {
- if ( ! self::is_module_active( $module_name ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run without %s PHP module installed. Please contact your host and ask them to install %s.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ),
- esc_html( basename( $nice_module_name ) ), esc_html( basename( $nice_module_name ) ) ) );
- }
- }
- }
-
- return $notices;
- }
-
- /**
- * @param string $name
- *
- * @return bool
- */
- public static function is_module_active( $name ) {
- return extension_loaded( $name );
- }
-
- /**
- * @param array $notices
- *
- * @return array
- */
- private function append_settings_require_notices( $notices ) {
- if ( count( $this->setting_require ) > 0 ) {
- foreach ( $this->setting_require as $setting => $value ) {
- if ( ! self::is_setting_set( $setting, $value ) ) {
- $notices[] = $this->prepare_notice_message( sprintf( __( 'The “%s” plugin cannot run without %s PHP setting set to %s. Please contact your host and ask them to set %s.',
- $this->get_text_domain() ), esc_html( $this->plugin_name ),
- esc_html( basename( $setting ) ),
- esc_html( basename( $value ) ), esc_html( basename( $setting ) ) ) );
- }
- }
- }
-
- return $notices;
- }
-
- /**
- * @param string $name
- * @param mixed $value
- *
- * @return bool
- */
- public static function is_setting_set( $name, $value ) {
- return ini_get( $name ) === (string) $value;
- }
-
- /**
- * @return void
- *
- * @deprecated use render_notices or disable_plugin
- */
- public function disable_plugin_render_notice() {
- add_action( self::HOOK_ADMIN_NOTICES_ACTION, array( $this, 'handle_render_notices_action' ) );
- }
-
- /**
- * Renders requirement notices in admin panel
- *
- * @return void
- */
- public function render_notices() {
- add_action( self::HOOK_ADMIN_NOTICES_ACTION, array( $this, 'handle_render_notices_action' ) );
- }
-
- /**
- * Renders requirement notices in admin panel
- *
- * @return void
- */
- public function disable_plugin() {
- add_action( self::HOOK_ADMIN_NOTICES_ACTION, array( $this, 'handle_deactivate_action' ) );
- }
-
- /**
- * @return void
- * @internal Do not use as public. Public only for wp action.
- *
- */
- public function handle_deactivate_action() {
- if ( isset( $this->plugin_file ) ) {
- deactivate_plugins( plugin_basename( $this->plugin_file ) );
-
- delete_transient( self::PLUGIN_INFO_TRANSIENT_NAME );
- }
- }
-
- /**
- * Triggers the transient delete after plugin deactivated
- *
- * @return void
- */
- public function transient_delete_on_plugin_version_changed() {
- add_action( self::HOOK_PLUGIN_DEACTIVATED_ACTION, array( $this, 'handle_transient_delete_action' ) );
- add_action( self::HOOK_PLUGIN_ACTIVATED_ACTION, array( $this, 'handle_transient_delete_action' ) );
- }
-
- /**
- * Handles the transient delete
- *
- * @return void
- */
- public function handle_transient_delete_action() {
- delete_transient( self::PLUGIN_INFO_TRANSIENT_NAME );
- delete_transient( self::EXPIRATION_TRANSIENT_NAME );
- }
-
- /**
- * Should be called as WordPress action
- *
- * @return void
- * @internal Do not use as public. Public only for wp action.
- *
- */
- public function handle_render_notices_action() {
- foreach ( $this->notices as $notice ) {
- echo $notice;
- }
- }
- }
+ /**
+ * Checks requirements for plugin
+ * have to be compatible with PHP 5.3.x
+ */
+ class WPDesk_Basic_Requirement_Checker implements WPDesk_Requirement_Checker {
+
+ const EXTENSION_NAME_OPENSSL = 'openssl';
+
+ const HOOK_ADMIN_NOTICES_ACTION = 'admin_notices';
+
+ const HOOK_PLUGIN_DEACTIVATED_ACTION = 'deactivated_plugin';
+
+ const HOOK_PLUGIN_ACTIVATED_ACTION = 'activated_plugin';
+
+ const PLUGIN_INFO_KEY_NICE_NAME = 'nice_name';
+
+ const PLUGIN_INFO_KEY_NAME = 'name';
+
+ const PLUGIN_INFO_VERSION = 'version';
+
+ const PLUGIN_INFO_FAKE_REQUIRED_MINIMUM_VERSION = '0.0';
+
+ const PLUGIN_INFO_APPEND_PLUGIN_DATA = 'required_version';
+
+ const PLUGIN_INFO_TRANSIENT_NAME = 'require_plugins_data';
+
+ const EXPIRATION_TRANSIENT_NAME = 'require_plugins_data_exp';
+
+ const CACHE_TIME = 300;
+
+ /** @var string */
+ protected $plugin_name;
+
+ /** @var string */
+ private $plugin_file;
+
+ /** @var string */
+ private $min_php_version;
+
+ /** @var string */
+ private $min_wp_version;
+
+ /** @var string|null */
+ private $min_wc_version = NULL;
+
+ /** @var int|null */
+ private $min_openssl_version = NULL;
+
+ /** @var array */
+ protected $plugin_require;
+
+ /** @var bool */
+ protected $should_check_plugin_versions = FALSE;
+
+ /** @var array */
+ private $module_require;
+
+ /** @var array */
+ private $setting_require;
+
+ /** @var array */
+ protected $notices;
+
+ /** @var @string */
+ private $text_domain;
+
+ /**
+ * @param string $plugin_file
+ * @param string $plugin_name
+ * @param string $text_domain
+ * @param string $php_version
+ * @param string $wp_version
+ */
+ public function __construct($plugin_file, $plugin_name, $text_domain, $php_version, $wp_version) {
+ $this->plugin_file = $plugin_file;
+ $this->plugin_name = $plugin_name;
+ $this->text_domain = $text_domain;
+
+ $this->set_min_php_require($php_version);
+ $this->set_min_wp_require($wp_version);
+
+ $this->plugin_require = array();
+ $this->module_require = array();
+ $this->setting_require = array();
+ $this->notices = array();
+ }
+
+ /**
+ * @param string $version
+ *
+ * @return $this
+ */
+ public function set_min_php_require($version) {
+ $this->min_php_version = $version;
+
+ return $this;
+ }
+
+ /**
+ * @param string $version
+ *
+ * @return $this
+ */
+ public function set_min_wp_require($version) {
+ $this->min_wp_version = $version;
+
+ return $this;
+ }
+
+ /**
+ * @param string $version
+ *
+ * @return $this
+ */
+ public function set_min_wc_require($version) {
+ $this->min_wc_version = $version;
+
+ return $this;
+ }
+
+ /**
+ * @param $version
+ *
+ * @return $this
+ */
+ public function set_min_openssl_require($version) {
+ $this->min_openssl_version = $version;
+
+ return $this;
+ }
+
+ /**
+ * @param string $plugin_name Name in wp format dir/file.php
+ * @param string $nice_plugin_name Nice plugin name for better looks in notice
+ * @param string $plugin_require_version required plugin minimum version
+ *
+ * @return $this
+ */
+ public function add_plugin_require($plugin_name, $nice_plugin_name = NULL, $plugin_require_version = NULL) {
+ if ($plugin_require_version) {
+ $this->should_check_plugin_versions = TRUE;
+ }
+ $this->plugin_require[$plugin_name] = array(
+ self::PLUGIN_INFO_KEY_NAME => $plugin_name,
+ self::PLUGIN_INFO_KEY_NICE_NAME => $nice_plugin_name === NULL ? $plugin_name : $nice_plugin_name,
+ self::PLUGIN_INFO_VERSION => $plugin_require_version === NULL ?
+ self::PLUGIN_INFO_FAKE_REQUIRED_MINIMUM_VERSION : $plugin_require_version,
+ );
+
+ return $this;
+ }
+
+ /**
+ * Add plugin to require list. Plugin is from repository so we can ask for installation.
+ *
+ * @param string $plugin_name Name in wp format dir/file.php
+ * @param string $version Required version of the plugin.
+ * @param string $nice_plugin_name Nice plugin name for better looks in notice
+ *
+ * @return $this
+ */
+ public function add_plugin_repository_require($plugin_name, $version, $nice_plugin_name = NULL) {
+ $this->plugin_require[$plugin_name] = array(
+ self::PLUGIN_INFO_KEY_NAME => $plugin_name,
+ self::PLUGIN_INFO_VERSION => $version,
+ 'repository_url' => 'http://downloads.wordpress.org/plugin/' . dirname($plugin_name) . '.latest-stable.zip',
+ self::PLUGIN_INFO_KEY_NICE_NAME => $nice_plugin_name === NULL ? $plugin_name : $nice_plugin_name
+ );
+
+ return $this;
+ }
+
+ /**
+ * @param string $module_name
+ * @param string $nice_name Nice module name for better looks in notice
+ *
+ * @return $this
+ */
+ public function add_php_module_require($module_name, $nice_name = NULL) {
+ if ($nice_name === NULL) {
+ $this->module_require[$module_name] = $module_name;
+ }
+ else {
+ $this->module_require[$module_name] = $nice_name;
+ }
+
+ return $this;
+ }
+
+ /**
+ * @param string $setting
+ * @param mixed $value
+ *
+ * @return $this
+ */
+ public function add_php_setting_require($setting, $value) {
+ $this->setting_require[$setting] = $value;
+
+ return $this;
+ }
+
+ /**
+ * Returns true if are requirements are met.
+ *
+ * @return bool
+ */
+ public function are_requirements_met() {
+ $this->notices = $this->prepare_requirement_notices();
+
+ return count($this->notices) === 0;
+ }
+
+ /**
+ * @return array
+ */
+ private function prepare_requirement_notices() {
+ $notices = array();
+ if (!self::is_php_at_least($this->min_php_version)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run on PHP versions older than %s. Please contact your host and ask them to upgrade.',
+ $this->get_text_domain()), esc_html($this->plugin_name), $this->min_php_version));
+ }
+ if (!self::is_wp_at_least($this->min_wp_version)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run on WordPress versions older than %s. Please update WordPress.',
+ $this->get_text_domain()), esc_html($this->plugin_name), $this->min_wp_version));
+ }
+ if ($this->min_wc_version !== NULL && $this->can_check_plugin_version() && !self::is_wc_at_least($this->min_wc_version)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run on WooCommerce versions older than %s. Please update WooCommerce.',
+ $this->get_text_domain()), esc_html($this->plugin_name), $this->min_wc_version));
+ }
+ if ($this->min_openssl_version !== NULL && !self::is_open_ssl_at_least($this->min_openssl_version)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run without OpenSSL module version at least %s. Please update OpenSSL module.',
+ $this->get_text_domain()), esc_html($this->plugin_name),
+ '0x' . dechex($this->min_openssl_version)));
+ }
+
+ $notices = $this->append_plugin_require_notices($notices);
+ $notices = $this->append_module_require_notices($notices);
+ $notices = $this->append_settings_require_notices($notices);
+ if ($this->should_check_plugin_versions) {
+ $notices = $this->check_minimum_require_plugins_version_and_append_notices($notices);
+ }
+
+ return $notices;
+ }
+
+ /**
+ * @param $min_version
+ *
+ * @return mixed
+ */
+ public static function is_php_at_least($min_version) {
+ return version_compare(PHP_VERSION, $min_version, '>=');
+ }
+
+ /**
+ * Prepares message in html format
+ *
+ * @param string $message
+ *
+ * @return string
+ */
+ protected function prepare_notice_message($message) {
+ return '<div class="error"><p>' . $message . '</p></div>';
+ }
+
+ public function get_text_domain() {
+ return $this->text_domain;
+ }
+
+ /**
+ * @param string $min_version
+ *
+ * @return bool
+ */
+ public static function is_wp_at_least($min_version) {
+ return version_compare(get_bloginfo('version'), $min_version, '>=');
+ }
+
+ /**
+ * Are plugins loaded so we can check the version
+ *
+ * @return bool
+ */
+ private function can_check_plugin_version() {
+ return did_action('plugins_loaded') > 0;
+ }
+
+ /**
+ * Checks if plugin is active and have designated version. Needs to be enabled in deferred way.
+ *
+ * @param string $min_version
+ *
+ * @return bool
+ */
+ public static function is_wc_at_least($min_version) {
+ return defined('WC_VERSION') &&
+ version_compare(WC_VERSION, $min_version, '>=');
+ }
+
+ /**
+ * Checks if ssl version is valid
+ *
+ * @param int $required_version Version in hex. Version 9.6 is 0x000906000
+ *
+ * @return bool
+ * @see https://www.openssl.org/docs/man1.1.0/crypto/OPENSSL_VERSION_NUMBER.html
+ *
+ */
+ public static function is_open_ssl_at_least($required_version) {
+ return defined('OPENSSL_VERSION_NUMBER') && OPENSSL_VERSION_NUMBER > (int) $required_version;
+ }
+
+ /**
+ * @param $notices array
+ *
+ * @return array
+ */
+ private function check_minimum_require_plugins_version_and_append_notices($notices) {
+ $required_plugins = $this->retrieve_required_plugins_data();
+ if (count($required_plugins) > 0) {
+ foreach ($required_plugins as $plugin) {
+ if (version_compare($plugin['Version'], $plugin[self::PLUGIN_INFO_APPEND_PLUGIN_DATA], '<')) {
+ $notices[] = $this->prepare_notice_message(
+ sprintf(
+ __('The “%1$s” plugin requires at least %2$s version of %3$s to work correctly. Please update it to its latest release.', $this->get_text_domain()),
+ esc_html($this->plugin_name),
+ $plugin[self::PLUGIN_INFO_APPEND_PLUGIN_DATA],
+ $plugin['Name']
+ )
+ );
+ }
+ }
+ }
+
+ return $notices;
+ }
+
+ /**
+ * Check the plugins directory and retrieve all plugin files with plugin data.
+ *
+ * @return array In format [ 'plugindir/pluginfile.php' => ['Name' => 'Plugin Name', 'Version' => '1.0.1', ...], ]
+ */
+ private static function retrieve_plugins_data_in_transient() {
+ $current_time = time();
+ $plugins = get_transient(self::PLUGIN_INFO_TRANSIENT_NAME);
+ $expiration_time = get_transient(self::EXPIRATION_TRANSIENT_NAME);
+ $is_expired = !$expiration_time || $current_time > $expiration_time;
+
+ if ($plugins === FALSE || $is_expired) {
+ static $never_executed = TRUE;
+ if ($never_executed) {
+ $never_executed = FALSE;
+ /** Required when WC starts later and these data should be in cache */
+ add_filter('extra_plugin_headers', function($headers = array()) {
+ $headers[] = 'WC tested up to';
+ $headers[] = 'WC requires at least';
+ $headers[] = 'Woo';
+
+ return array_unique($headers);
+ });
+ }
+
+ if (!function_exists('get_plugins')) {
+ require_once ABSPATH . '/wp-admin/includes/plugin.php';
+ }
+
+ $plugins = function_exists('get_plugins') ? get_plugins() : array();
+ set_transient(self::PLUGIN_INFO_TRANSIENT_NAME, $plugins, 0);
+ set_transient(self::EXPIRATION_TRANSIENT_NAME, $current_time + self::CACHE_TIME, 0);
+ }
+
+ return $plugins;
+ }
+
+ /**
+ * Check the plugins directory and retrieve all required plugin files with plugin data.
+ *
+ * @return array In format [ 'plugindir/pluginfile.php' => ['Name' => 'Plugin Name', 'Version' => '1.0.1', 'required_version' => '1.0.2']... ]
+ */
+ private function retrieve_required_plugins_data() {
+ $require_plugins = array();
+ $plugins = self::retrieve_plugins_data_in_transient();
+ if (is_array($plugins)) {
+ if (count($plugins) > 0) {
+ if (!empty($this->plugin_require)) {
+ foreach ($this->plugin_require as $plugin) {
+ $plugin_file_name = $plugin[self::PLUGIN_INFO_KEY_NAME];
+ $plugin_version = $plugin[self::PLUGIN_INFO_VERSION];
+
+ if (self::is_wp_plugin_active($plugin_file_name)) {
+ $require_plugins[$plugin_file_name] = $plugins[$plugin_file_name];
+ $require_plugins[$plugin_file_name][self::PLUGIN_INFO_APPEND_PLUGIN_DATA] = $plugin_version;
+ }
+ }
+ }
+ }
+ }
+
+ return $require_plugins;
+ }
+
+ /**
+ * @param array $notices
+ *
+ * @return array
+ */
+ private function append_plugin_require_notices($notices) {
+ if (count($this->plugin_require) > 0) {
+ foreach ($this->plugin_require as $plugin_name => $plugin_info) {
+ $notice = NULL;
+ if (isset($plugin_info['repository_url'])) {
+ $notice = $this->prepare_plugin_repository_require_notice($plugin_info);
+ }
+ elseif (!self::is_wp_plugin_active($plugin_name)) {
+ $notice = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run without %s active. Please install and activate %s plugin.',
+ $this->get_text_domain()), esc_html($this->plugin_name),
+ esc_html(basename($plugin_info[self::PLUGIN_INFO_KEY_NICE_NAME])),
+ esc_html(basename($plugin_info[self::PLUGIN_INFO_KEY_NICE_NAME]))));
+ }
+
+ if ($notice !== NULL) {
+ $notices[] = $notice;
+ }
+ }
+ }
+
+ return $notices;
+ }
+
+ /**
+ * Prepares WP install url and injects info about plugin to the WP update engine.
+ *
+ * @param array $plugin_info
+ *
+ * @return string
+ */
+ private function prepare_plugin_repository_install_url($plugin_info) {
+ $slug = basename($plugin_info[self::PLUGIN_INFO_KEY_NAME]);
+ $install_url = self_admin_url('update.php?action=install-plugin&plugin=' . $slug);
+ if (function_exists('wp_nonce_url') && function_exists('wp_create_nonce')) {
+ $install_url = wp_nonce_url($install_url, 'install-plugin_' . $slug);
+ }
+ add_filter('plugins_api', function($api, $action, $args) use ($plugin_info, $slug) {
+ if ('plugin_information' !== $action ||
+ FALSE !== $api ||
+ !isset($args->slug) ||
+ $slug !== $args->slug
+ ) {
+ return $api;
+ }
+
+ $api = new stdClass();
+ $api->name = $plugin_info['nice_name']; // self in closures requires 5.4
+ $api->version = '';
+ $api->download_link = esc_url($plugin_info['repository_url']); // self in closures requires 5.4
+
+ return $api;
+ }, 10, 3);
+
+ return $install_url;
+ }
+
+ /**
+ * @param array $plugin_info Internal required plugin info data.
+ *
+ * @return string|null Return null if no notice is needed.
+ */
+ private function prepare_plugin_repository_require_notice($plugin_info) {
+ $name = $plugin_info[self::PLUGIN_INFO_KEY_NAME];
+ $nice_name = $plugin_info[self::PLUGIN_INFO_KEY_NICE_NAME];
+
+ if (!self::is_wp_plugin_active($name)) {
+ if (!self::is_wp_plugin_installed($name)) {
+ $install_url = $this->prepare_plugin_repository_install_url($plugin_info);
+
+ return $this->prepare_notice_message(sprintf(wp_kses(__('The “%s” plugin requires free %s plugin. <a href="%s">Install %s</a>',
+ $this->get_text_domain()), array('a' => array('href' => array()))),
+ $this->plugin_name, $nice_name, esc_url($install_url), $nice_name));
+ }
+ $activate_url = 'plugins.php?action=activate&plugin=' . urlencode($plugin_info[self::PLUGIN_INFO_KEY_NAME]) . '&plugin_status=all&paged=1&s';
+ if (function_exists('wp_create_nonce')) {
+ $activate_url .= '&_wpnonce=' . urlencode(wp_create_nonce('activate-plugin_' . $name));
+ }
+
+ return $this->prepare_notice_message(sprintf(wp_kses(__('The “%s” plugin requires activating %s plugin. <a href="%s">Activate %s</a>',
+ $this->get_text_domain()), array('a' => array('href' => array()))),
+ $this->plugin_name, $nice_name, esc_url(admin_url($activate_url)), $nice_name));
+ }
+
+ return NULL;
+ }
+
+ /**
+ * Checks if plugin is active. Needs to be used in deferred way.
+ *
+ * @param string $plugin_file
+ *
+ * @return bool
+ */
+ public static function is_wp_plugin_active($plugin_file) {
+ $active_plugins = (array) get_option('active_plugins', array());
+
+ if (is_multisite()) {
+ $active_plugins = array_merge($active_plugins, get_site_option('active_sitewide_plugins', array()));
+ }
+
+ return in_array($plugin_file, $active_plugins) || array_key_exists($plugin_file, $active_plugins);
+ }
+
+ /**
+ * Checks if plugin is installed. Needs to be enabled in deferred way.
+ *
+ * @param string $plugin_file
+ *
+ * @return bool
+ */
+ public static function is_wp_plugin_installed($plugin_file) {
+ $plugins_data = self::retrieve_plugins_data_in_transient();
+
+ return array_key_exists($plugin_file, (array) $plugins_data);
+ }
+
+ /**
+ * @param array $notices
+ *
+ * @return array
+ */
+ private function append_module_require_notices($notices) {
+ if (count($this->module_require) > 0) {
+ foreach ($this->module_require as $module_name => $nice_module_name) {
+ if (!self::is_module_active($module_name)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run without %s PHP module installed. Please contact your host and ask them to install %s.',
+ $this->get_text_domain()), esc_html($this->plugin_name),
+ esc_html(basename($nice_module_name)), esc_html(basename($nice_module_name))));
+ }
+ }
+ }
+
+ return $notices;
+ }
+
+ /**
+ * @param string $name
+ *
+ * @return bool
+ */
+ public static function is_module_active($name) {
+ return extension_loaded($name);
+ }
+
+ /**
+ * @param array $notices
+ *
+ * @return array
+ */
+ private function append_settings_require_notices($notices) {
+ if (count($this->setting_require) > 0) {
+ foreach ($this->setting_require as $setting => $value) {
+ if (!self::is_setting_set($setting, $value)) {
+ $notices[] = $this->prepare_notice_message(sprintf(__('The “%s” plugin cannot run without %s PHP setting set to %s. Please contact your host and ask them to set %s.',
+ $this->get_text_domain()), esc_html($this->plugin_name),
+ esc_html(basename($setting)),
+ esc_html(basename($value)), esc_html(basename($setting))));
+ }
+ }
+ }
+
+ return $notices;
+ }
+
+ /**
+ * @param string $name
+ * @param mixed $value
+ *
+ * @return bool
+ */
+ public static function is_setting_set($name, $value) {
+ return ini_get($name) === (string) $value;
+ }
+
+ /**
+ * @return void
+ *
+ * @deprecated use render_notices or disable_plugin
+ */
+ public function disable_plugin_render_notice() {
+ add_action(self::HOOK_ADMIN_NOTICES_ACTION, array(
+ $this,
+ 'handle_render_notices_action'
+ ));
+ }
+
+ /**
+ * Renders requirement notices in admin panel
+ *
+ * @return void
+ */
+ public function render_notices() {
+ add_action(self::HOOK_ADMIN_NOTICES_ACTION, array(
+ $this,
+ 'handle_render_notices_action'
+ ));
+ }
+
+ /**
+ * Renders requirement notices in admin panel
+ *
+ * @return void
+ */
+ public function disable_plugin() {
+ add_action(self::HOOK_ADMIN_NOTICES_ACTION, array(
+ $this,
+ 'handle_deactivate_action'
+ ));
+ }
+
+ /**
+ * @return void
+ * @internal Do not use as public. Public only for wp action.
+ *
+ */
+ public function handle_deactivate_action() {
+ if (isset($this->plugin_file)) {
+ deactivate_plugins(plugin_basename($this->plugin_file));
+
+ delete_transient(self::PLUGIN_INFO_TRANSIENT_NAME);
+ }
+ }
+
+ /**
+ * Triggers the transient delete after plugin deactivated
+ *
+ * @return void
+ */
+ public function transient_delete_on_plugin_version_changed() {
+ add_action(self::HOOK_PLUGIN_DEACTIVATED_ACTION, array(
+ $this,
+ 'handle_transient_delete_action'
+ ));
+ add_action(self::HOOK_PLUGIN_ACTIVATED_ACTION, array(
+ $this,
+ 'handle_transient_delete_action'
+ ));
+ }
+
+ /**
+ * Handles the transient delete
+ *
+ * @return void
+ */
+ public function handle_transient_delete_action() {
+ delete_transient(self::PLUGIN_INFO_TRANSIENT_NAME);
+ delete_transient(self::EXPIRATION_TRANSIENT_NAME);
+ }
+
+ /**
+ * Should be called as WordPress action
+ *
+ * @return void
+ * @internal Do not use as public. Public only for wp action.
+ *
+ */
+ public function handle_render_notices_action() {
+ foreach ($this->notices as $notice) {
+ echo $notice;
+ }
+ }
+ }
}