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https://github.com/WordPress/WordPress.git
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git-svn-id: http://svn.automattic.com/wordpress/trunk@8645 1a063a9b-81f0-0310-95a4-ce76da25c4cd
191 lines
5.4 KiB
PHP
191 lines
5.4 KiB
PHP
<?php
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/**
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* PemFTP - A Ftp implementation in pure PHP
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*
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* @package PemFTP
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* @since 2.5
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*
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* @version 1.0
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* @copyright Alexey Dotsenko
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* @author Alexey Dotsenko
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* @link http://www.phpclasses.org/browse/package/1743.html Site
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* @license LGPL License http://www.opensource.org/licenses/lgpl-license.html
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*/
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/**
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* FTP implementation using fsockopen to connect.
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*
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* @package PemFTP
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* @subpackage Pure
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* @since 2.5
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*
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* @version 1.0
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* @copyright Alexey Dotsenko
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* @author Alexey Dotsenko
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* @link http://www.phpclasses.org/browse/package/1743.html Site
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* @license LGPL License http://www.opensource.org/licenses/lgpl-license.html
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*/
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class ftp extends ftp_base {
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function ftp($verb=FALSE, $le=FALSE) {
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$this->__construct($verb, $le);
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}
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function __construct($verb=FALSE, $le=FALSE) {
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parent::__construct(false, $verb, $le);
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}
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// <!-- --------------------------------------------------------------------------------------- -->
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// <!-- Private functions -->
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// <!-- --------------------------------------------------------------------------------------- -->
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function _settimeout($sock) {
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if(!@stream_set_timeout($sock, $this->_timeout)) {
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$this->PushError('_settimeout','socket set send timeout');
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$this->_quit();
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return FALSE;
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}
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return TRUE;
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}
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function _connect($host, $port) {
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$this->SendMSG("Creating socket");
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$sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout);
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if (!$sock) {
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$this->PushError('_connect','socket connect failed', $errstr." (".$errno.")");
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return FALSE;
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}
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$this->_connected=true;
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return $sock;
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}
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function _readmsg($fnction="_readmsg"){
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if(!$this->_connected) {
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$this->PushError($fnction, 'Connect first');
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return FALSE;
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}
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$result=true;
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$this->_message="";
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$this->_code=0;
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$go=true;
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do {
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$tmp=@fgets($this->_ftp_control_sock, 512);
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if($tmp===false) {
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$go=$result=false;
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$this->PushError($fnction,'Read failed');
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} else {
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$this->_message.=$tmp;
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if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false;
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}
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} while($go);
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if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
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$this->_code=(int)$regs[1];
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return $result;
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}
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function _exec($cmd, $fnction="_exec") {
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if(!$this->_ready) {
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$this->PushError($fnction,'Connect first');
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return FALSE;
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}
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if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
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$status=@fputs($this->_ftp_control_sock, $cmd.CRLF);
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if($status===false) {
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$this->PushError($fnction,'socket write failed');
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return FALSE;
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}
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$this->_lastaction=time();
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if(!$this->_readmsg($fnction)) return FALSE;
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return TRUE;
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}
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function _data_prepare($mode=FTP_ASCII) {
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if(!$this->_settype($mode)) return FALSE;
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if($this->_passive) {
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if(!$this->_exec("PASV", "pasv")) {
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$this->_data_close();
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return FALSE;
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}
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if(!$this->_checkCode()) {
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$this->_data_close();
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return FALSE;
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}
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$ip_port = explode(",", ereg_replace("^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*".CRLF."$", "\\1", $this->_message));
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$this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
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$this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
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$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
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$this->_ftp_data_sock=@fsockopen($this->_datahost, $this->_dataport, $errno, $errstr, $this->_timeout);
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if(!$this->_ftp_data_sock) {
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$this->PushError("_data_prepare","fsockopen fails", $errstr." (".$errno.")");
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$this->_data_close();
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return FALSE;
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}
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else $this->_ftp_data_sock;
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} else {
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$this->SendMSG("Only passive connections available!");
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return FALSE;
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}
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return TRUE;
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}
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function _data_read($mode=FTP_ASCII, $fp=NULL) {
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if(is_resource($fp)) $out=0;
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else $out="";
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if(!$this->_passive) {
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$this->SendMSG("Only passive connections available!");
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return FALSE;
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}
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while (!feof($this->_ftp_data_sock)) {
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$block=fread($this->_ftp_data_sock, $this->_ftp_buff_size);
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if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
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if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
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else $out.=$block;
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}
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return $out;
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}
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function _data_write($mode=FTP_ASCII, $fp=NULL) {
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if(is_resource($fp)) $out=0;
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else $out="";
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if(!$this->_passive) {
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$this->SendMSG("Only passive connections available!");
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return FALSE;
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}
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if(is_resource($fp)) {
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while(!feof($fp)) {
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$block=fread($fp, $this->_ftp_buff_size);
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if(!$this->_data_write_block($mode, $block)) return false;
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}
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} elseif(!$this->_data_write_block($mode, $fp)) return false;
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return TRUE;
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}
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function _data_write_block($mode, $block) {
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if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
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do {
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if(($t=@fwrite($this->_ftp_data_sock, $block))===FALSE) {
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$this->PushError("_data_write","Can't write to socket");
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return FALSE;
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}
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$block=substr($block, $t);
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} while(!empty($block));
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return true;
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}
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function _data_close() {
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@fclose($this->_ftp_data_sock);
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$this->SendMSG("Disconnected data from remote host");
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return TRUE;
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}
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function _quit($force=FALSE) {
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if($this->_connected or $force) {
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@fclose($this->_ftp_control_sock);
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$this->_connected=false;
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$this->SendMSG("Socket closed");
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}
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}
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}
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?>
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