File: /var/www/html/belairhomeloan.com/wp-content/plugins/wp-ses/classes/Compatibility-Check.php
<?php
/**
* Checks compatibility for WP Offload SES.
*
* @author Delicious Brains
* @package WP Offload SES
*/
namespace DeliciousBrains\WP_Offload_SES;
if ( class_exists( 'DeliciousBrains\WP_Offload_SES\Compatibility_Check' ) ) {
return;
}
/**
* Class Compatibility_Check
*
* @since 1.0.0
*/
class Compatibility_Check {
/**
* The derived key of the plugin from the name, e.g. wp-offload-ses.
*
* @var string
*/
protected $plugin_slug;
/**
* The name of the plugin, e.g. WP Offload SES.
*
* @var string
*/
protected $plugin_name;
/**
* The file path to the plugin's main file.
*
* @var string
*/
protected $plugin_file_path;
/**
* The error message to display in the admin notice.
*
* @var string
*/
protected $error_message;
/**
* The CSS class for the notice.
*
* @var string
*/
protected $notice_class = 'error';
/**
* Used to store if we are installing or updating plugins once per page request.
*
* @var bool
*/
protected static $is_installing_or_updating_plugins;
/**
* Constructs the Compatibility_Check class.
*
* @param string $plugin_name The name of the plugin.
* @param string $plugin_slug The plugin slug.
* @param string $plugin_file_path The path to the main plugin file.
*/
public function __construct( $plugin_name, $plugin_slug, $plugin_file_path ) {
$this->plugin_name = $plugin_name;
$this->plugin_slug = $plugin_slug;
$this->plugin_file_path = $plugin_file_path;
add_action( 'admin_notices', array( $this, 'hook_admin_notices' ) );
add_action( 'network_admin_notices', array( $this, 'hook_admin_notices' ) );
}
/**
* Is the plugin compatible?
*
* @return bool
*/
public function is_compatible() {
$compatible = $this->get_error_msg() ? false : true;
$GLOBALS['wposes_meta'][ $this->plugin_slug ]['compatible'] = $compatible;
return $compatible;
}
/**
* Is a plugin active
*
* @param string $plugin_base
*
* @return bool
*/
public function is_plugin_active( $plugin_base ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
return is_plugin_active( $plugin_base );
}
/**
* Generate a URL to perform core actions on for a plugin
*
* @param string $action Such as activate, deactivate, install, upgrade
* @param string|null $basename
*
* @return string
*/
public function get_plugin_action_url( $action, $basename = null ) {
if ( is_null( $basename ) ) {
$basename = $this->get_plugin_basename();
}
$nonce_action = $action . '-plugin_' . $basename;
$page = 'plugins';
if ( in_array( $action, array( 'upgrade', 'install' ) ) ) {
$page = 'update';
$action .= '-plugin';
}
$url = wp_nonce_url( network_admin_url( $page . '.php?action=' . $action . '&plugin=' . $basename ), $nonce_action );
return $url;
}
/**
* Get the basename for the plugin
*
* @return string
*/
public function get_plugin_basename() {
return plugin_basename( $this->plugin_file_path );
}
/**
* Set the error message to be returned for the admin notice
*
* @param string $message
*
* @return string
*/
public function set_error_msg( $message ) {
// Replace the space between the last two words with to prevent typographic widows
$message = preg_replace( '/\s([\w]+[.,!\:;\\"-?]{0,1})$/', ' \\1', $message, 1 );
$this->error_message = $message;
return $this->error_message;
}
/**
* Get the compatibility error message
*
* @return string|bool
*/
public function get_error_msg() {
if ( ! is_null( $this->error_message ) ) {
return $this->error_message;
}
$plugin_basename = $this->get_plugin_basename();
$deactivate_url = $this->get_plugin_action_url( 'deactivate', $plugin_basename );
$deactivate_link = sprintf( '<a style="text-decoration:none;" href="%s">%s</a>', $deactivate_url, __( 'deactivate' ) );
$hide_notice_msg = '<br><em>' . sprintf( __( 'You can %s the %s plugin to get rid of this notice.' ), $deactivate_link, $this->plugin_name ) . '</em>';
// Check basic requirements for AWS SDK.
$sdk_errors = $this->get_sdk_requirements_errors();
if ( ! empty( $sdk_errors ) ) {
$sdk_errors = $this->get_sdk_error_msg() . $hide_notice_msg;
return $this->set_error_msg( $sdk_errors );
}
return false;
}
/**
* Check plugin capabilities for a user
*
* @return bool
*/
public function check_capabilities() {
if ( is_multisite() ) {
if ( ! current_user_can( 'manage_network_plugins' ) ) {
return false; // Don't allow if the user can't manage network plugins
}
} else {
// Don't allow if user doesn't have plugin management privileges
$caps = array( 'activate_plugins', 'update_plugins', 'install_plugins' );
foreach ( $caps as $cap ) {
if ( ! current_user_can( $cap ) ) {
return false;
}
}
}
return true;
}
/**
* Display compatibility notices to users who can manage plugins
*/
public function hook_admin_notices() {
if ( ! $this->check_capabilities() ) {
return;
}
if ( self::is_installing_or_updating_plugins() ) {
// Don't show notice when installing or updating plugins
return;
}
$this->get_admin_notice();
}
/**
* Get the admin notice to be displayed
*/
public function get_admin_notice() {
$error_msg = $this->get_error_msg();
if ( false === $error_msg || '' === $error_msg ) {
return;
}
$this->render_notice( $error_msg );
}
/**
* Render the notice HTML
*
* @param string $message
*/
public function render_notice( $message ) {
printf( '<div id="wposes-compat-notice' . $this->plugin_slug . '" class="' . $this->notice_class . ' wposes-compatibility-notice"><p>%s</p></div>', $message );
}
/**
* Is the current process an install or upgrade of plugin(s)
*
* @return bool
*/
public static function is_installing_or_updating_plugins() {
if ( ! is_null( self::$is_installing_or_updating_plugins ) ) {
return self::$is_installing_or_updating_plugins;
}
self::$is_installing_or_updating_plugins = false;
global $pagenow;
if ( 'update.php' === $pagenow && isset( $_GET['action'] ) && 'install-plugin' === $_GET['action'] ) {
// We are installing a plugin
self::$is_installing_or_updating_plugins = true;
}
if ( 'plugins.php' === $pagenow && isset( $_POST['action'] ) ) {
$action = $_POST['action'];
if ( isset( $_POST['action2'] ) && '-1' !== $_POST['action2'] ) {
$action = $_POST['action2'];
}
if ( 'update-selected' === $action ) {
// We are updating plugins from the plugin page
self::$is_installing_or_updating_plugins = true;
}
}
if ( 'update-core.php' === $pagenow && isset( $_GET['action'] ) && 'do-plugin-upgrade' === $_GET['action'] ) {
// We are updating plugins from the updates page
self::$is_installing_or_updating_plugins = true;
}
return self::$is_installing_or_updating_plugins;
}
/**
* Checks if another version of WP Offload SES (lite/wpses) is active and deactivates it.
* To be hooked on `activated_plugin` so other plugin is deactivated when current plugin is activated.
*
* @param string $plugin The plugin.
*
* @return bool
*/
public static function deactivate_other_instances( $plugin ) {
if ( ! in_array( basename( $plugin ), array( 'wp-offload-ses.php', 'wp-ses.php' ) ) ) {
return false;
}
$plugin_to_deactivate = 'wp-ses.php';
$deactivated_notice_id = '1';
$activated_plugin_min_version = '1.0-dev';
$plugin_to_deactivate_min_version = '0.1';
if ( basename( $plugin ) === $plugin_to_deactivate ) {
$plugin_to_deactivate = 'wp-offload-ses.php';
$deactivated_notice_id = '2';
$activated_plugin_min_version = '1.0-dev';
$plugin_to_deactivate_min_version = '1.1-dev';
}
$version = self::get_plugin_version_from_basename( $plugin );
if ( version_compare( $version, $activated_plugin_min_version, '<' ) ) {
return false;
}
if ( is_multisite() ) {
$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
$active_plugins = array_keys( $active_plugins );
} else {
$active_plugins = (array) get_option( 'active_plugins', array() );
}
foreach ( $active_plugins as $basename ) {
if ( false !== strpos( $basename, $plugin_to_deactivate ) ) {
$version = self::get_plugin_version_from_basename( $basename );
if ( version_compare( $version, $plugin_to_deactivate_min_version, '<' ) ) {
return false;
}
set_transient( 'wposes_deactivated_notice_id', $deactivated_notice_id, HOUR_IN_SECONDS );
deactivate_plugins( $basename );
return true;
}
}
return false;
}
/**
* Get plugin data from basename
*
* @param string $basename
*
* @return string
*/
public static function get_plugin_version_from_basename( $basename ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
$plugin_path = WP_PLUGIN_DIR . '/' . $basename;
// In case the plugin is installed as a MU plugin.
$basename = explode( '/', $basename );
$folder = $basename[0];
$file = $basename[1];
if ( file_exists( $plugin_path ) ) {
$path = $plugin_path;
} elseif ( file_exists( WPMU_PLUGIN_DIR . "/{$file}" ) ) {
$path = WPMU_PLUGIN_DIR . '/' . $file;
} elseif ( file_exists( WPMU_PLUGIN_DIR . "/$folder/$file" ) ) {
$path = WPMU_PLUGIN_DIR . "/$folder/$file";
} else {
return false;
}
$plugin_data = get_plugin_data( $path );
return $plugin_data['Version'];
}
/**
* Return an array of issues with the server's compatibility with the AWS SDK
*
* @return array
*/
public function get_sdk_requirements_errors() {
static $errors;
if ( ! is_null( $errors ) ) {
return $errors;
}
$errors = array();
if ( version_compare( PHP_VERSION, '5.5', '<' ) ) {
$errors[] = __( 'a PHP version less than 5.5', 'wp-offload-ses' );
}
if ( ! class_exists( '\SimpleXMLElement' ) ) {
$errors[] = __( 'no SimpleXML PHP module', 'wp-offload-ses' );
}
if ( ! class_exists( '\XMLWriter' ) ) {
$errors[] = __( 'no XMLWriter PHP module', 'wp-offload-ses' );
}
if ( ! function_exists( 'curl_version' ) ) {
$errors[] = __( 'no PHP cURL library activated', 'wp-offload-ses' );
return $errors;
}
if ( ! ( $curl = curl_version() ) || empty( $curl['version'] ) || empty( $curl['features'] ) || version_compare( $curl['version'], '7.16.2', '<' ) ) {
$errors[] = __( 'a cURL version less than 7.16.2', 'wp-offload-ses' );
}
if ( ! empty( $curl['features'] ) ) {
$curl_errors = array();
if ( ! CURL_VERSION_SSL ) {
$curl_errors[] = 'OpenSSL';
}
if ( ! CURL_VERSION_LIBZ ) {
$curl_errors[] = 'zlib';
}
if ( $curl_errors ) {
$errors[] = __( 'cURL compiled without', 'wp-offload-ses' ) . ' ' . implode( ' or ', $curl_errors ); // xss ok
}
}
if ( ! function_exists( 'curl_multi_exec' ) ) {
$errors[] = __( 'the function curl_multi_exec disabled', 'wp-offload-ses' );
}
return $errors;
}
/**
* Prepare an error message with compatibility issues
*
* @return string
*/
public function get_sdk_error_msg() {
$errors = $this->get_sdk_requirements_errors();
if ( ! $errors ) {
return '';
}
$msg = __( 'The official Amazon Web Services SDK requires PHP 5.5+ with SimpleXML and XMLWriter modules, and cURL 7.16.2+ compiled with OpenSSL and zlib. Your server currently has', 'wp-offload-ses' );
if ( count( $errors ) > 1 ) {
$last_one = ' and ' . array_pop( $errors );
} else {
$last_one = '';
}
$msg .= ' ' . implode( ', ', $errors ) . $last_one . '.';
return $msg;
}
}