install/FTPExtractor.class.php

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<?php
require_once dirname(__FILE__).DIRECTORY_SEPARATOR.'ftp.api.php';
require_once dirname(__FILE__).DIRECTORY_SEPARATOR.'ftp.class.php';
require_once dirname(__FILE__).DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Archive'.DIRECTORY_SEPARATOR.'Tar.php';

class FTPExtractor {
        var $archive;
        var $ftp;
        var $destination;
        var $source;
        
        function FTPExtractor(&$archive){
                $this->archive =& $archive;
        }
        
        function connect($host, $user, $password ){
                $this->ftp = ftp_connect($host);
                if ( !$this->ftp ){
                        return PEAR::raiseError("Failed to connect to FTP host '$host'");
                }
                
                $res = ftp_login($this->ftp, $user, $password);
                if ( !$res ){
                        return PEAR::raiseError("Incorrect username or password while trying to connect to FTP host '$host'");
                }
                
                return true;
        }
        
        function extract($destination, $sourcePath){
                $log = array();
                $res = ftp_chdir($this->ftp, $destination);
                
                if ( !$res ) return PEAR::raiseError("Directory $destination does not exist on the server.");
                //print_r($this->archive->listContent());exit;
                foreach ( $this->archive->listContent() as $item ){
                        //if ( !$item['filename'] ) continue;
                        //if ( $item['filename']{ strlen($item['filename'])-1 } == '/' ) $item['filename'] = substr($item['filename'],0,strlen($item['filename'])-1);
                        
                        $log[] =  "Extracting ".$item['filename']." to $destination";
                        //print_r($item);
                        if ( $item['typeflag'] == 5){
                                //directory
                                //print_r();
                                //$size = ftp_size($this->ftp, $item['filename']);
                                //echo "Size: $size";
                                if ( !ftp_nlist($this->ftp, $item['filename']) ){
                                        $res = ftp_mkdir($this->ftp, $item['filename']);
                                        if ( !$res ) return PEAR::raiseError("Extraction failed.  Failed to create directory ".$item['filename']);
                                        ftp_chmod($this->ftp, $item['mode'], $item['filename']);
                                }

                        } else {        
                                // a file
                                $fpath = tempnam(null, $item['filename']);
                                file_put_contents($fpath, $this->archive->extractInString($item['filename']));
                                $res = ftp_put($this->ftp, $item['filename'], $fpath, FTP_BINARY);
                                if ( !$res ){
                                        $dirname = dirname($item['filename']);
                                        if ( $dirname and $dirname{strlen($dirname)-1} == '/' ) $dirname = substr($dirname,0,strlen($dirname)-1);
                                        
                                        $dirstack = array();
                                        
                                        while ( !($ls = ftp_nlist($this->ftp, $dirname)) or (is_array($ls) and count($ls) < 2) ){
        
                                                $dirstack[] = $dirname;
                                                $dirname = dirname($dirname);
                                                if ( $dirname and $dirname{strlen($dirname)-1} == '/' ) $dirname = substr($dirname,0,strlen($dirname)-1);
                                                if ( dirname($dirname) == $dirname) break;
                                        }
                                        
                                        while ( count($dirstack) > 0  ){
                                                $dirname = array_pop($dirstack);
                                                $dres = ftp_mkdir($this->ftp, $dirname);
                                                //if ( !$dres ) return PEAR::raiseError("Failed to create directory $dirname");
                                                ftp_chmod($this->ftp, 0755, $dirname);
                                        }
                                        $res = ftp_put($this->ftp, $item['filename'], $fpath, FTP_BINARY);
                                }
                                
                                if ( !$res ) return PEAR::raiseError("Failed to put file ".$item['filename']);
                                ftp_chmod($this->ftp, $item['mode'], $item['filename']);
                                        
                        }
                }
                $result = "Successfully installed at $destination";
                return array('log'=>$log, 'result'=>$result);
        }
        
}