diff options
Diffstat (limited to 'wp-admin/includes/class-ftp-pure.php')
-rw-r--r-- | wp-admin/includes/class-ftp-pure.php | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/wp-admin/includes/class-ftp-pure.php b/wp-admin/includes/class-ftp-pure.php new file mode 100644 index 0000000..4c51876 --- /dev/null +++ b/wp-admin/includes/class-ftp-pure.php @@ -0,0 +1,186 @@ +<?php +/** + * PemFTP - An Ftp implementation in pure PHP + * + * @package PemFTP + * @since 2.5.0 + * + * @version 1.0 + * @copyright Alexey Dotsenko + * @author Alexey Dotsenko + * @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html + * @license LGPL https://opensource.org/licenses/lgpl-license.html + */ + +/** + * FTP implementation using fsockopen to connect. + * + * @package PemFTP + * @subpackage Pure + * @since 2.5.0 + * + * @version 1.0 + * @copyright Alexey Dotsenko + * @author Alexey Dotsenko + * @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html + * @license LGPL https://opensource.org/licenses/lgpl-license.html + */ +class ftp_pure extends ftp_base { + + function __construct($verb=FALSE, $le=FALSE) { + parent::__construct(false, $verb, $le); + } + +// <!-- --------------------------------------------------------------------------------------- --> +// <!-- Private functions --> +// <!-- --------------------------------------------------------------------------------------- --> + + function _settimeout($sock) { + if(!@stream_set_timeout($sock, $this->_timeout)) { + $this->PushError('_settimeout','socket set send timeout'); + $this->_quit(); + return FALSE; + } + return TRUE; + } + + function _connect($host, $port) { + $this->SendMSG("Creating socket"); + $sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout); + if (!$sock) { + $this->PushError('_connect','socket connect failed', $errstr." (".$errno.")"); + return FALSE; + } + $this->_connected=true; + return $sock; + } + + function _readmsg($fnction="_readmsg"){ + if(!$this->_connected) { + $this->PushError($fnction, 'Connect first'); + return FALSE; + } + $result=true; + $this->_message=""; + $this->_code=0; + $go=true; + do { + $tmp=@fgets($this->_ftp_control_sock, 512); + if($tmp===false) { + $go=$result=false; + $this->PushError($fnction,'Read failed'); + } else { + $this->_message.=$tmp; + if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false; + } + } while($go); + if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF; + $this->_code=(int)$regs[1]; + return $result; + } + + function _exec($cmd, $fnction="_exec") { + if(!$this->_ready) { + $this->PushError($fnction,'Connect first'); + return FALSE; + } + if($this->LocalEcho) echo "PUT > ",$cmd,CRLF; + $status=@fputs($this->_ftp_control_sock, $cmd.CRLF); + if($status===false) { + $this->PushError($fnction,'socket write failed'); + return FALSE; + } + $this->_lastaction=time(); + if(!$this->_readmsg($fnction)) return FALSE; + return TRUE; + } + + function _data_prepare($mode=FTP_ASCII) { + if(!$this->_settype($mode)) return FALSE; + if($this->_passive) { + if(!$this->_exec("PASV", "pasv")) { + $this->_data_close(); + return FALSE; + } + if(!$this->_checkCode()) { + $this->_data_close(); + return FALSE; + } + $ip_port = explode(",", preg_replace("/^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*$/s", "\\1", $this->_message)); + $this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3]; + $this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]); + $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport); + $this->_ftp_data_sock=@fsockopen($this->_datahost, $this->_dataport, $errno, $errstr, $this->_timeout); + if(!$this->_ftp_data_sock) { + $this->PushError("_data_prepare","fsockopen fails", $errstr." (".$errno.")"); + $this->_data_close(); + return FALSE; + } + else $this->_ftp_data_sock; + } else { + $this->SendMSG("Only passive connections available!"); + return FALSE; + } + return TRUE; + } + + function _data_read($mode=FTP_ASCII, $fp=NULL) { + if(is_resource($fp)) $out=0; + else $out=""; + if(!$this->_passive) { + $this->SendMSG("Only passive connections available!"); + return FALSE; + } + while (!feof($this->_ftp_data_sock)) { + $block=fread($this->_ftp_data_sock, $this->_ftp_buff_size); + if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block); + if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block)); + else $out.=$block; + } + return $out; + } + + function _data_write($mode=FTP_ASCII, $fp=NULL) { + if(is_resource($fp)) $out=0; + else $out=""; + if(!$this->_passive) { + $this->SendMSG("Only passive connections available!"); + return FALSE; + } + if(is_resource($fp)) { + while(!feof($fp)) { + $block=fread($fp, $this->_ftp_buff_size); + if(!$this->_data_write_block($mode, $block)) return false; + } + } elseif(!$this->_data_write_block($mode, $fp)) return false; + return TRUE; + } + + function _data_write_block($mode, $block) { + if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block); + do { + if(($t=@fwrite($this->_ftp_data_sock, $block))===FALSE) { + $this->PushError("_data_write","Can't write to socket"); + return FALSE; + } + $block=substr($block, $t); + } while(!empty($block)); + return true; + } + + function _data_close() { + @fclose($this->_ftp_data_sock); + $this->SendMSG("Disconnected data from remote host"); + return TRUE; + } + + function _quit($force=FALSE) { + if($this->_connected or $force) { + @fclose($this->_ftp_control_sock); + $this->_connected=false; + $this->SendMSG("Socket closed"); + } + } +} + +?> |