/**
* Get file permissions from the requested directory.
*
* If the directory permissions cannot be read, a default value of 0644 will be returned.
*
* @since 1.15.0
*
* @param string $dir Full path to the file to retrieve permissions from.
* @return int|WP_Error The permissions as an int or a WP_Error object if an error occurs.
*/
public static function get_permissions( $dir ) {
if ( ! self::is_dir( $dir ) ) {
return new WP_Error( 'itsec-lib-dir-get-permissions-missing-dir', sprintf( __( 'Permissions for the directory %s could not be read as the directory could not be found.', 'it-l10n-ithemes-security-pro' ), $dir ) );
}
if ( ! ITSEC_Lib_Utility::is_callable_function( 'fileperms' ) ) {
return new WP_Error( 'itsec-lib-directory-get-permissions-fileperms-is-disabled', sprintf( __( 'Permissions for the directory %s could not be read as the fileperms() function is disabled. This is a system configuration issue.', 'it-l10n-ithemes-security-pro' ), $dir ) );
}
$dir = rtrim( $dir, '/' );
@clearstatcache( true, $dir );
return fileperms( $dir ) & 0777;
}
/**
* Get file permissions from the requested file.
*
* @since 1.15.0
*
* @param string $file Full path to the file to retrieve permissions from.
* @return int|WP_Error The permissions as an int or a WP_Error object if an error occurs.
*/
public static function get_permissions($file)
{
if (!self::is_file($file)) {
return new WP_Error('itsec-lib-file-get-permissions-missing-file', sprintf(__('Permissions for the file %s could not be read as the file could not be found.', 'it-l10n-better-wp-security'), $file));
}
if (!ITSEC_Lib_Utility::is_callable_function('fileperms')) {
return new WP_Error('itsec-lib-file-get-permissions-fileperms-is-disabled', sprintf(__('Permissions for the file %s could not be read as the fileperms() function is disabled. This is a system configuration issue.', 'it-l10n-better-wp-security'), $file));
}
@clearstatcache(true, $file);
return fileperms($file) & 0777;
}
/**
* Internal class function to remove comments from a string containing PHP code.
*
* @since 1.15.0
* @access protected
*
* @param string $contents String containing the code to strip of comments.
* @return string|WP_Error Returns a string containing the stripped source or a WP_Error object on an error.
*/
protected static function strip_php_comments($contents)
{
if (!ITSEC_Lib_Utility::is_callable_function('token_get_all')) {
return new WP_Error('itsec-lib-config-file-strip-php-comments-token-get-all-is-disabled', __('Unable to strip comments from the source code as the token_get_all() function is disabled. This is a system configuration issue.', 'it-l10n-better-wp-security'));
}
$tokens = token_get_all($contents);
if (!is_array($tokens)) {
return new WP_Error('itsec-lib-config-file-strip-php-comments-token-get-all-invalid-response', sprintf(__('Unable to strip comments from the source code as the token_get_all() function returned an unrecognized value (type: %s)', 'it-l10n-better-wp-security'), gettype($tokens)));
}
if (!defined('T_ML_COMMENT')) {
define('T_ML_COMMENT', T_COMMENT);
}
if (!defined('T_DOC_COMMENT')) {
define('T_DOC_COMMENT', T_ML_COMMENT);
}
$contents = '';
foreach ($tokens as $token) {
if (is_string($token)) {
$contents .= $token;
} else {
list($id, $text) = $token;
switch ($id) {
case T_COMMENT:
case T_ML_COMMENT:
case T_DOC_COMMENT:
break;
default:
$contents .= $text;
break;
}
}
}
return $contents;
}