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FTP Script changes....

NoDoze

By NoDoze
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NoDoze

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I am using this code:

 

<?php

/* $Id: ftp.php,v 2.2 2002/03/12 23:21:28 pauls Exp $ */

/* This software came from http://inebria.com/ */

/* Copyright (c) 2000
      Paul Southworth.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote
    products derived from this software without specific prior
    written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

/* Configuration Options */

$phpftp_host="localhost";
$phpftp_version="2.2";

/* Comment this out if you don't want the version footer */

$show_version_footer=1;

/* How large a file will you accept?  You may also need to edit your
   php.ini file and change upload_max_filesize appropriately */

$max_file_size="1000000";

/* The temporary directory $phpftp_tmpdir must exist and be writable
   by your web server.
   Hint:  mkdir /var/tmp/xfers && chmod 1777 /var/tmp/xfers */

$phpftp_tmpdir="/home/view/public_html/tmp";

/* $use_mime_lookup
   Turning this on creates a dependency upon the
   http://www.inebria.com/mime_lookup/ MIME type lookup library.
   Setting this variable to "1" enables it.  "0" disables.
   If you turn it on, put the mime_lookup.php file in the same directory
   as ftp.php and uncomment the 'include("mime_lookup.php");' statement. */

$use_mime_lookup="0";
/* include("mime_lookup.php"); */

/* We enclose the top and bottom in functions because sometimes
   we might not send them (ie, in a file-download situation) */

function phpftp_top() {
    global $phpftp_version;
?>
<!-- function phpftp_top -->
<html>
<head>
<title>PHP FTP Client <?php echo $phpftp_version; ?></title>
</head>
<body bgcolor="#ffffff">
<?php
}

function phpftp_bottom() {
    global $phpftp_version;
    global $show_version_footer;
?>
<!-- function phpftp_bottom -->
<?php
if (isset($show_version_footer)) {
?>
<p><font size=-2>This is <a href="http://inebria.com/phpftp/">PHP FTP</a>
version <?php echo $phpftp_version; ?></font></p>
<?php
}
?>
</body>
</html>
<?php
}

/* This is the form used for initially collecting username/passwd */

function phpftp_login() {
    phpftp_top();
?>
<!-- function phpftp_login -->
<p>
<form action="ftp.php" method=post>
<p><table border=0>
<tr><td>
Login:
</td><td>
<input name="phpftp_user" type="text">
</td></tr>
<tr><td>
Password:
</td><td>
<input name="phpftp_passwd" type="password">
</td></tr>
<tr><td>
Directory:
</td><td>
<input name="phpftp_dir" type="text">
</td></tr>
</table>
</p><p>
<input type="hidden" name="function" value="dir">
<input type="submit" value="connect">
</p>
</form>
<p>
<?php
    phpftp_bottom();
}

/* This function does not return TRUE/FALSE - it returns the value of
   $ftp, the current FTP stream. */

function phpftp_connect($phpftp_user,$phpftp_passwd) {
    global $phpftp_host;
    $ftp = ftp_connect($phpftp_host);
    if ($ftp) {
        if (ftp_login($ftp,$phpftp_user,urldecode($phpftp_passwd))) {
            return $ftp;
        }
    }
}

function phpftp_list($phpftp_user,$phpftp_passwd,$phpftp_dir) {
    global $phpftp_host;
    phpftp_top();
?>
<!-- function phpftp_list -->
<?php
    $ftp = @phpftp_connect($phpftp_user,$phpftp_passwd);
    if (!$ftp) {
?>
<strong>FTP login failed!</strong>
<a href="ftp.php">Start over?</a>
<?php
        phpftp_bottom();
    } else {
        if (!$phpftp_dir) {
            $phpftp_dir=ftp_pwd($ftp);
        }
        if (!@ftp_chdir($ftp,$phpftp_dir)) {
?>
<font color="#ff0000"><strong>Can't enter that directory!</strong></font><p><p>
<?php
            $phpftp_dir=ftp_pwd($ftp);
        }
        echo "<strong>Current host:</strong> " . $phpftp_host . "<br>\n";
        echo "<strong>Current directory:</strong> " . $phpftp_dir . "<br>\n";
        if ($phpftp_dir == "/") {
            $phpftp_dir="";
        }

        if ($contents = ftp_rawlist($ftp,"")) {
            $d_i=0;
            $f_i=0;
            $l_i=0;
            $i=0;
            while ($contents[$i]) {
                $item[] = split("[ ]+",$contents[$i],9);
                $item_type=substr($item[$i][0],0,1);
                if ($item_type == "d") {
                    /* it's a directory */
                    $nlist_dirs[$d_i]=$item[$i][8];
                    $d_i++;
                } elseif ($item_type == "l") {
                    /* it's a symlink */
                    $nlist_links[$l_i]=$item[$i][8];
                    $l_i++;
                } elseif ($item_type == "-") {
                    /* it's a file */
                    $nlist_files[$f_i]=$item[$i][8];
                    $nlist_filesize[$f_i]=$item[$i][4];
                    $f_i++;
                } elseif ($item_type == "+") {
                    /* it's something on an anonftp server */
                    $eplf=split(",",implode(" ",$item[$i]),5);
                    if ($eplf[2] == "r") {
                        /* it's a file */
                        $nlist_files[$f_i]=trim($eplf[4]);
                        $nlist_filesize[$f_i]=substr($eplf[3],1);
                        $f_i++;
                    } elseif ($eplf[2] == "/") {
                        /* it's a directory */
                        $nlist_dirs[$d_i]=trim($eplf[3]);
                        $d_i++;
                    }
                } /* ignore all others */
                $i++;
            }
?>
<table border=0 cellspacing=20>
<?php
            if (count($nlist_dirs)>0) {
?>
<tr><td align=left valign=top>
<strong>Directories</strong><br>
<form action="ftp.php" method=post>
<input type="hidden" name="function" value="cd">
<input type="hidden" name="phpftp_user" value="<?php echo $phpftp_user; ?>">
<input type="hidden" name="phpftp_passwd" value="<?php echo $phpftp_passwd; ?>">
<input type="hidden" name="phpftp_dir" value="<?php echo $phpftp_dir; ?>">
<select name="select_directory" size="10" width="100">
<?php
                for ($i=0; $i < count($nlist_dirs); $i++) {
                    echo "<option value=\"" . $nlist_dirs[$i] . "\">" . $nlist_dirs[$i] . "</option>\n";
                }
?>
</select><br>
<input type="submit" value="Enter Directory">
</form>
</td>
<?php
            }

            if (count($nlist_files)>0) {
?>
<td align=left valign=top>
<strong>Files</strong><br>
<form action="ftp.php" method=post>
<input type="hidden" name="function" value="get">
<input type="hidden" name="phpftp_user" value="<?php echo $phpftp_user; ?>">
<input type="hidden" name="phpftp_passwd" value="<?php echo $phpftp_passwd; ?>">
<input type="hidden" name="phpftp_dir" value="<?php echo $phpftp_dir; ?>">
<select name="select_file" size="10">
<?php
                for ($i=0; $i < count($nlist_files); $i++) {
                    echo "<option value=\"" . $nlist_files[$i] . "\">" . $nlist_files[$i] ."  ($nlist_filesize[$i] bytes)". "</option>\n";
                }
?>
</select><br>
<input type="submit" value="Download File">
</form>
</td></tr>
<?php
            }
        } else {
?>
<p><font color="#ff0000"><strong>Directory empty or not readable</strong></font><p>
<?php
        }
?>
</table>
<p>
<form action="ftp.php" method=post>
<?php
        $cdup=dirname($phpftp_dir);
        if ($cdup == "") {
            $cdup="/";
        }
?>
<input type="hidden" name="function" value="dir">
<input type="hidden" name="phpftp_user" value="<?php echo $phpftp_user; ?>">
<input type="hidden" name="phpftp_passwd" value="<?php echo $phpftp_passwd; ?>">
<input type="hidden" name="phpftp_dir" value="<?php echo $cdup; ?>">
<input type="submit" value="Go up one directory">
</form>
<p>
<form enctype="multipart/form-data" action="ftp.php" method=post>
<input type="hidden" name="max_file_size" value="<?php echo $max_file_size ?>">
<input type="hidden" name="phpftp_user" value="<?php echo $phpftp_user; ?>">
<input type="hidden" name="phpftp_passwd" value="<?php echo $phpftp_passwd; ?>">
<input type="hidden" name="phpftp_dir" value="<?php echo $phpftp_dir; ?>">
<input type="hidden" name="function" value="put">
<input type="submit" value="Upload this:">
<input name="userfile" type="file">
</form>
<p>
<form action="ftp.php" method=post>
<input type="hidden" name="function" value="mkdir">
<input type="hidden" name="phpftp_user" value="<?php echo $phpftp_user; ?>">
<input type="hidden" name="phpftp_passwd" value="<?php echo $phpftp_passwd; ?>">
<input type="hidden" name="phpftp_dir" value="<?php echo $phpftp_dir; ?>">
<input type="submit" value="Make subdirectory:">
<input name="new_dir" type="text">
<?php
        ftp_quit($ftp);
        phpftp_bottom();
    }
}

function phpftp_cd($phpftp_user,$phpftp_passwd,$phpftp_dir,$select_directory) {
?>
<!-- function phpftp_cd -->
<?php
    $new_directory=$phpftp_dir . "/" . $select_directory;
    phpftp_list($phpftp_user,$phpftp_passwd,$new_directory);
}

function phpftp_mkdir($phpftp_user,$phpftp_passwd,$phpftp_dir,$new_dir) {
?>
<!-- function phpftp_mkdir -->
<?php
    $ftp = @phpftp_connect($phpftp_user,$phpftp_passwd);
    if ($phpftp_dir == "") {
        $phpftp_dir="/";
    }
    if (!$ftp) {
        @ftp_quit($ftp);
        phpftp_top();
?>
<font color="#ff0000"><strong>FTP login failed!</strong></font><p><p>
<a href="ftp.php">Start over?</a>
<?php
        phpftp_bottom();
    } else {
        $dir_path = $phpftp_dir . "/" . $new_dir;
        @ftp_mkdir($ftp,$dir_path);
        @ftp_quit($ftp);
        phpftp_list($phpftp_user,$phpftp_passwd,$phpftp_dir);
    }
};
    

function phpftp_get($phpftp_user,$phpftp_passwd,$phpftp_dir,$select_file) {
    $ftp = @phpftp_connect($phpftp_user,$phpftp_passwd);
    if ($phpftp_dir == "") {
        $phpftp_dir="/";
    }
    if ((!$ftp) || (!@ftp_chdir($ftp,$phpftp_dir))) {
        @ftp_quit($ftp);
        phpftp_top();
?>
<font color="#ff0000"><strong>FTP login failed!</strong></font><p><p>
<a href="ftp.php">Start over?</a>
<?php
        phpftp_bottom();
    } else {
        srand((double)microtime()*1000000);
        $randval = rand();
        $tmpfile=$phpftp_tmpdir . "/" . $select_file . "." . $randval;
        if (!ftp_get($ftp,$tmpfile,$select_file,FTP_BINARY)) {
            ftp_quit($ftp);
            phpftp_top();
?>
<font color="#ff0000"><strong>FTP get failed!</strong></font><p><p>
<a href="ftp.php">Start over?</a>
<?php
            phpftp_bottom();
        } else {
            ftp_quit($ftp);
            global $use_mime_lookup;
            if ($use_mime_lookup == "1") {
                $file_mime_type=mime_lookup(substr(strrchr($select_file,"."),1));
            }
            if (!$file_mime_type) {
                $file_mime_type="application/octet-stream";
            }
            header("Content-Type: " . $file_mime_type);
            header("Content-Disposition: attachment; filename=" . $select_file);
            readfile($tmpfile);
        }
        @unlink($tmpfile);
    }
}

function phpftp_put($phpftp_user,$phpftp_passwd,$phpftp_dir,$userfile,$userfile_name) {
    srand((double)microtime()*1000000);
    $randval = rand();
    $tmpfile=$phpftp_tmpdir . "/" . $userfile_name . "." . $randval;
    if (!@move_uploaded_file($userfile,$tmpfile)) {
        phpftp_top();
?>
<font color="#ff0000"><strong>Upload failed!  Can't create temp file?</strong></font>
<p><p>
<a href="ftp.php">Start over?</a>
<?php
        phpftp_bottom();
    } else {
        if (!$ftp = @phpftp_connect($phpftp_user,$phpftp_passwd)) {
            unlink($tmpfile);
            phpftp_top(); 
?>
<font color="#ff0000"><strong>FTP login failed!</strong></font><p><p>
<a href="ftp.php">Start over?</a>
<?php
            phpftp_bottom();
        } else {
            ftp_chdir($ftp,$phpftp_dir);
            ftp_put($ftp,$userfile_name,$tmpfile,FTP_BINARY);
            ftp_quit($ftp);
            unlink($tmpfile);
            phpftp_list($phpftp_user,$phpftp_passwd,$phpftp_dir);
        }
    }
}

switch($function) {
    case "dir";
        phpftp_list($phpftp_user,$phpftp_passwd,$phpftp_dir);
        break;
    case "cd";
        phpftp_cd($phpftp_user,$phpftp_passwd,$phpftp_dir,$select_directory);
        break;
    case "get";
        phpftp_get($phpftp_user,$phpftp_passwd,$phpftp_dir,$select_file);
        break;
    case "put";
        phpftp_put($phpftp_user,$phpftp_passwd,$phpftp_dir,$userfile,$userfile_name);
        break;
    case "mkdir";
        phpftp_mkdir($phpftp_user,$phpftp_passwd,$phpftp_dir,$new_dir);
        break;
    case "";
        phpftp_login();
        break;
}

?>

 

I like it cause it does what I need very simply. However, the way the code is written, it temporarily writes the uploaded file to a temp folder.

 

I was wondering what the benifits of this would be? And is the only benifit, if the connection was terminated or the upload interupted, the uncomplete files wouldn't be in the user directory?

 

And if the use of the tmp diectory is not really needed for uploads, How could I alter the above code to not need the tmp directory?

 

The reason I'm asking this is cause... the script works perfect, the only problem is I get rejects cause the upload can't write to the tmp directory. I've tried every possibility with permissions and the location of the tmp directory, but nothing made any difference, still rejected. So now I want to get rid of the use of the tmp directory, possible?

 

Thanks.

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