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contact-form-7
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filesystem.php
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filesystem.php
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<?php /** * Class for filesystem operations. */ class WPCF7_Filesystem { /** * The singleton instance. * * @var WPCF7_Filesystem */ private static $instance; /** * Filesystem object. * * @var WP_Filesystem_Base */ private $filesystem; /** * Retrieves the singleton instance. */ public static function get_instance() { if ( empty( self::$instance ) ) { self::$instance = new self(); } return self::$instance; } /** * Constructor. */ private function __construct() { $this->connect(); } /** * Connects to the filesystem. * * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. */ private function connect() { global $wp_filesystem; if ( $this->filesystem ) { return false; } require_once ABSPATH . 'wp-admin/includes/file.php'; require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php'; require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php'; ob_start(); $credentials = request_filesystem_credentials( '' ); ob_end_clean(); if ( false === $credentials or ! WP_Filesystem( $credentials ) ) { wp_trigger_error( __FUNCTION__, __( 'Could not access filesystem.', 'contact-form-7' ) ); } if ( $wp_filesystem instanceof WP_Filesystem_Base ) { $this->filesystem = $wp_filesystem; } else { $this->filesystem = new WP_Filesystem_Direct( 1 ); } if ( ! defined( 'FS_CHMOD_DIR' ) ) { define( 'FS_CHMOD_DIR', fileperms( ABSPATH ) & 0777 | 0755 ); } if ( ! defined( 'FS_CHMOD_FILE' ) ) { define( 'FS_CHMOD_FILE', fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ); } } /** * Changes filesystem permissions. * * @param string $file Path to the file. * @param int|false $mode Optional. The permissions as octal number. * @param bool $recursive Optional. If set to true, * changes file permissions recursively. Default false. * @return bool True on success, false on failure. */ public function chmod( $file, $mode = false, $recursive = false ) { return $this->filesystem->chmod( $file, $mode, $recursive ); } /** * Deletes a file or directory. * * @param string $file Path to the file or directory. * @param bool $recursive Optional. If set to true, deletes * files and folders recursively. Default false. * @param string|false $type Type of resource. * 'f' for file, 'd' for directory. Default false. * @return bool True on success, false on failure. */ public function delete( $file, $recursive = false, $type = false ) { return $this->filesystem->delete( $file, $recursive, $type ); } /** * Writes a string to a file. * * @param string $file Path to the file where to write the data. * @param string $contents The data to write. * @param int $mode The file permissions as octal number. * @return bool True on success, false on failure. */ public function put_contents( $file, $contents, $mode = false ) { return $this->filesystem->put_contents( $file, $contents, $mode ); } }