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msd2/wordpress/wp-admin/includes/class-wp-filesystem-ftpsockets.php

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+<?php
+/**
+ * WordPress FTP Sockets Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * WordPress Filesystem Class for implementing FTP Sockets.
+ *
+ * @since 2.5.0
+ *
+ * @see WP_Filesystem_Base
+ */
+class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
+	/**
+	 * @var ftp
+	 */
+	public $ftp;
+
+	/**
+	 * @param array $opt
+	 */
+	public function __construct( $opt = '' ) {
+		$this->method = 'ftpsockets';
+		$this->errors = new WP_Error();
+
+		// Check if possible to use ftp functions.
+		if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
+			return;
+		}
+		$this->ftp = new ftp();
+
+		if ( empty( $opt['port'] ) ) {
+			$this->options['port'] = 21;
+		} else {
+			$this->options['port'] = (int) $opt['port'];
+		}
+
+		if ( empty( $opt['hostname'] ) ) {
+			$this->errors->add( 'empty_hostname', __( 'FTP hostname is required' ) );
+		} else {
+			$this->options['hostname'] = $opt['hostname'];
+		}
+
+		// Check if the options provided are OK.
+		if ( empty( $opt['username'] ) ) {
+			$this->errors->add( 'empty_username', __( 'FTP username is required' ) );
+		} else {
+			$this->options['username'] = $opt['username'];
+		}
+
+		if ( empty( $opt['password'] ) ) {
+			$this->errors->add( 'empty_password', __( 'FTP password is required' ) );
+		} else {
+			$this->options['password'] = $opt['password'];
+		}
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function connect() {
+		if ( ! $this->ftp ) {
+			return false;
+		}
+
+		$this->ftp->setTimeout( FS_CONNECT_TIMEOUT );
+
+		if ( ! $this->ftp->SetServer( $this->options['hostname'], $this->options['port'] ) ) {
+			$this->errors->add(
+				'connect',
+				/* translators: %s: hostname:port */
+				sprintf(
+					__( 'Failed to connect to FTP Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( ! $this->ftp->connect() ) {
+			$this->errors->add(
+				'connect',
+				/* translators: %s: hostname:port */
+				sprintf(
+					__( 'Failed to connect to FTP Server %s' ),
+					$this->options['hostname'] . ':' . $this->options['port']
+				)
+			);
+			return false;
+		}
+
+		if ( ! $this->ftp->login( $this->options['username'], $this->options['password'] ) ) {
+			$this->errors->add(
+				'auth',
+				/* translators: %s: username */
+				sprintf(
+					__( 'Username/Password incorrect for %s' ),
+					$this->options['username']
+				)
+			);
+			return false;
+		}
+
+		$this->ftp->SetType( FTP_BINARY );
+		$this->ftp->Passive( true );
+		$this->ftp->setTimeout( FS_TIMEOUT );
+		return true;
+	}
+
+	/**
+	 * Retrieves the file contents.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param string $file Filename.
+	 * @return string|false File contents on success, false if no temp file could be opened,
+	 *                      or if the file doesn't exist.
+	 */
+	public function get_contents( $file ) {
+		if ( ! $this->exists( $file ) ) {
+			return false;
+		}
+
+		$temp = wp_tempnam( $file );
+
+		if ( ! $temphandle = fopen( $temp, 'w+' ) ) {
+			unlink( $temp );
+			return false;
+		}
+
+		mbstring_binary_safe_encoding();
+
+		if ( ! $this->ftp->fget( $temphandle, $file ) ) {
+			fclose( $temphandle );
+			unlink( $temp );
+
+			reset_mbstring_encoding();
+
+			return ''; // Blank document, File does exist, It's just blank.
+		}
+
+		reset_mbstring_encoding();
+
+		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
+		$contents = '';
+
+		while ( ! feof( $temphandle ) ) {
+			$contents .= fread( $temphandle, 8192 );
+		}
+
+		fclose( $temphandle );
+		unlink( $temp );
+		return $contents;
+	}
+
+	/**
+	 * @param string $file
+	 * @return array
+	 */
+	public function get_contents_array( $file ) {
+		return explode( "\n", $this->get_contents( $file ) );
+	}
+
+	/**
+	 * @param string $file
+	 * @param string $contents
+	 * @param int|bool $mode
+	 * @return bool
+	 */
+	public function put_contents( $file, $contents, $mode = false ) {
+		$temp = wp_tempnam( $file );
+		if ( ! $temphandle = @fopen( $temp, 'w+' ) ) {
+			unlink( $temp );
+			return false;
+		}
+
+		// The FTP class uses string functions internally during file download/upload
+		mbstring_binary_safe_encoding();
+
+		$bytes_written = fwrite( $temphandle, $contents );
+		if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {
+			fclose( $temphandle );
+			unlink( $temp );
+
+			reset_mbstring_encoding();
+
+			return false;
+		}
+
+		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
+
+		$ret = $this->ftp->fput( $file, $temphandle );
+
+		reset_mbstring_encoding();
+
+		fclose( $temphandle );
+		unlink( $temp );
+
+		$this->chmod( $file, $mode );
+
+		return $ret;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function cwd() {
+		$cwd = $this->ftp->pwd();
+		if ( $cwd ) {
+			$cwd = trailingslashit( $cwd );
+		}
+		return $cwd;
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function chdir( $file ) {
+		return $this->ftp->chdir( $file );
+	}
+
+	/**
+	 * @param string $file
+	 * @param int|bool $mode
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function chmod( $file, $mode = false, $recursive = false ) {
+		if ( ! $mode ) {
+			if ( $this->is_file( $file ) ) {
+				$mode = FS_CHMOD_FILE;
+			} elseif ( $this->is_dir( $file ) ) {
+				$mode = FS_CHMOD_DIR;
+			} else {
+				return false;
+			}
+		}
+
+		// chmod any sub-objects if recursive.
+		if ( $recursive && $this->is_dir( $file ) ) {
+			$filelist = $this->dirlist( $file );
+			foreach ( (array) $filelist as $filename => $filemeta ) {
+				$this->chmod( $file . '/' . $filename, $mode, $recursive );
+			}
+		}
+
+		// chmod the file or directory
+		return $this->ftp->chmod( $file, $mode );
+	}
+
+	/**
+	 * @param string $file
+	 * @return string
+	 */
+	public function owner( $file ) {
+		$dir = $this->dirlist( $file );
+		return $dir[ $file ]['owner'];
+	}
+
+	/**
+	 * @param string $file
+	 * @return string
+	 */
+	public function getchmod( $file ) {
+		$dir = $this->dirlist( $file );
+		return $dir[ $file ]['permsn'];
+	}
+
+	/**
+	 * @param string $file
+	 * @return string
+	 */
+	public function group( $file ) {
+		$dir = $this->dirlist( $file );
+		return $dir[ $file ]['group'];
+	}
+
+	/**
+	 * @param string   $source
+	 * @param string   $destination
+	 * @param bool     $overwrite
+	 * @param int|bool $mode
+	 * @return bool
+	 */
+	public function copy( $source, $destination, $overwrite = false, $mode = false ) {
+		if ( ! $overwrite && $this->exists( $destination ) ) {
+			return false;
+		}
+
+		$content = $this->get_contents( $source );
+		if ( false === $content ) {
+			return false;
+		}
+
+		return $this->put_contents( $destination, $content, $mode );
+	}
+
+	/**
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @return bool
+	 */
+	public function move( $source, $destination, $overwrite = false ) {
+		return $this->ftp->rename( $source, $destination );
+	}
+
+	/**
+	 * @param string $file
+	 * @param bool   $recursive
+	 * @param string $type
+	 * @return bool
+	 */
+	public function delete( $file, $recursive = false, $type = false ) {
+		if ( empty( $file ) ) {
+			return false;
+		}
+		if ( 'f' == $type || $this->is_file( $file ) ) {
+			return $this->ftp->delete( $file );
+		}
+		if ( ! $recursive ) {
+			return $this->ftp->rmdir( $file );
+		}
+
+		return $this->ftp->mdel( $file );
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists( $file ) {
+		$list = $this->ftp->nlist( $file );
+
+		if ( empty( $list ) && $this->is_dir( $file ) ) {
+			return true; // File is an empty directory.
+		}
+
+		return ! empty( $list ); //empty list = no file, so invert.
+		// Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file( $file ) {
+		if ( $this->is_dir( $file ) ) {
+			return false;
+		}
+		if ( $this->exists( $file ) ) {
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir( $path ) {
+		$cwd = $this->cwd();
+		if ( $this->chdir( $path ) ) {
+			$this->chdir( $cwd );
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable( $file ) {
+		return true;
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable( $file ) {
+		return true;
+	}
+
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function atime( $file ) {
+		return false;
+	}
+
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime( $file ) {
+		return $this->ftp->mdtm( $file );
+	}
+
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function size( $file ) {
+		return $this->ftp->filesize( $file );
+	}
+
+	/**
+	 * @param string $file
+	 * @param int $time
+	 * @param int $atime
+	 * @return bool
+	 */
+	public function touch( $file, $time = 0, $atime = 0 ) {
+		return false;
+	}
+
+	/**
+	 * @param string $path
+	 * @param mixed  $chmod
+	 * @param mixed  $chown
+	 * @param mixed  $chgrp
+	 * @return bool
+	 */
+	public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {
+		$path = untrailingslashit( $path );
+		if ( empty( $path ) ) {
+			return false;
+		}
+
+		if ( ! $this->ftp->mkdir( $path ) ) {
+			return false;
+		}
+		if ( ! $chmod ) {
+			$chmod = FS_CHMOD_DIR;
+		}
+		$this->chmod( $path, $chmod );
+		return true;
+	}
+
+	/**
+	 * @param string $path
+	 * @param bool $recursive
+	 * @return bool
+	 */
+	public function rmdir( $path, $recursive = false ) {
+		return $this->delete( $path, $recursive );
+	}
+
+	/**
+	 * @param string $path
+	 * @param bool   $include_hidden
+	 * @param bool   $recursive
+	 * @return bool|array
+	 */
+	public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
+		if ( $this->is_file( $path ) ) {
+			$limit_file = basename( $path );
+			$path       = dirname( $path ) . '/';
+		} else {
+			$limit_file = false;
+		}
+
+		mbstring_binary_safe_encoding();
+
+		$list = $this->ftp->dirlist( $path );
+		if ( empty( $list ) && ! $this->exists( $path ) ) {
+
+			reset_mbstring_encoding();
+
+			return false;
+		}
+
+		$ret = array();
+		foreach ( $list as $struc ) {
+
+			if ( '.' == $struc['name'] || '..' == $struc['name'] ) {
+				continue;
+			}
+
+			if ( ! $include_hidden && '.' == $struc['name'][0] ) {
+				continue;
+			}
+
+			if ( $limit_file && $struc['name'] != $limit_file ) {
+				continue;
+			}
+
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive ) {
+					$struc['files'] = $this->dirlist( $path . '/' . $struc['name'], $include_hidden, $recursive );
+				} else {
+					$struc['files'] = array();
+				}
+			}
+
+			// Replace symlinks formatted as "source -> target" with just the source name
+			if ( $struc['islink'] ) {
+				$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
+			}
+
+			// Add the Octal representation of the file permissions
+			$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
+
+			$ret[ $struc['name'] ] = $struc;
+		}
+
+		reset_mbstring_encoding();
+
+		return $ret;
+	}
+
+	/**
+	 */
+	public function __destruct() {
+		$this->ftp->quit();
+	}
+}