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' ) ); } /** * Check the server is compatible with the AWS SDK * * @return bool */ function is_compatible() { return $this->get_sdk_requirements_errors() ? false : true; } /** * Return an array of issues with the server's compatibility with the AWS SDK * * @return array */ function get_sdk_requirements_errors() { static $errors; if ( ! is_null( $errors ) ) { return $errors; } $errors = array(); if ( version_compare( PHP_VERSION, '5.3.3', '<' ) ) { $errors[] = __( 'a PHP version less than 5.3.3', 'amazon-web-services' ); } if ( ! function_exists( 'curl_version' ) ) { $errors[] = __( 'no PHP cURL library activated', 'amazon-web-services' ); 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', 'amazon-web-services' ); } 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', 'amazon-web-services' ) . ' ' . implode( ' or ', $curl_errors ); // xss ok } } return $errors; } /** * Prepare an error message with compatibility issues * * @return string */ function get_sdk_requirements_error_msg() { $errors = $this->get_sdk_requirements_errors(); if ( ! $errors ) { return ''; } $msg = __( 'The official Amazon Web Services SDK requires PHP 5.3.3+ and cURL 7.16.2+ compiled with OpenSSL and zlib. Your server currently has', 'amazon-web-services' ); if ( count( $errors ) > 1 ) { $last_one = ' and ' . array_pop( $errors ); } else { $last_one = ''; } $msg .= ' ' . implode( ', ', $errors ) . $last_one . '.'; return $msg; } /** * Display the compatibility error message for users * Deactivate the plugin if there are errors */ function hook_admin_notices() { if ( is_multisite() ) { if ( ! current_user_can( 'manage_network_plugins' ) ) { return; // Don't show notices if the user can't manage network plugins } } else { // Don't show notices 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; } } } $error_msg = $this->get_sdk_requirements_error_msg(); if ( ! $error_msg ) { return; } $deactivated_msg = __( 'The Amazon Web Services plugin has been deactivated.', 'amazon-web-services' ); printf( '

%s %s

', $deactivated_msg, $error_msg ); require_once ABSPATH . 'wp-admin/includes/plugin.php'; deactivate_plugins( $this->plugin_file_path ); } }