ftp_pure
FTP implementation using fsockopen to connect.
Defined (1)
The class is defined in the following location(s).
- /wp-admin/includes/class-ftp-pure.php
- 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");
- }
- }
- }