image-upload.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">
<html>
  <!-- 
    (c) 2004 Hal Canary, hal at ups dot physics dot wisc dot edu

    Licence Information:

    This program is free software; you can redistribute it and/or
    modify it under the terms of version 2 of the GNU General
    Public License as published by the Free Software Foundation.

    A copy of the licence can be found at:
	http://www.gnu.org/licenses/gpl.txt

    This program is distributed in the hope that it will be
    useful, but WITHOUT ANY WARRANTY; without even the implied
    warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    PURPOSE.  See the GNU General Public License for more details.
  -->
  <head>
    <title>Image Upload</title>
  </head>
  <body>
    <h1>Image File Upload</h1>
    <hr />
    <div>
      <form action="image-upload.php" method="post" 
	    enctype="multipart/form-data">
	<p>
	  Upload a file: <br />
	  <input type="hidden" name="MAX_FILE_SIZE" value="1048576" />
	  <input type="file" name="userfile" value="" />
	</p>
	<p>
	  Alternate Filename (optional) (Dont forget extent.ion!):<br />
	  <input type="text" name="filename" value="" />
	</p>
	<p>
	  Maximum size to resize to:<br />
	  <select name="resize">
	    <option>320</option>
	    <option>640</option>
	    <option>800</option>
	    <option selected="selected">1024</option>
	    <option>1280</option>
	    <option>1600</option>
	    <option>3200</option>
	  </select>
	</p>
	<p>
	  <input type="submit" value="Submit File" />
	</p>
      </form>
    </div>
    <hr />
    <?php
if ($_FILES['userfile']['size'] != 0) {
    $resize=$_POST['resize'];
    $size1="${resize}x${resize}\>"; /* The "\>" says only downsize. */
    $size0="120x120\>";
    $dir_l="/home/hal/public_html/images";  /*Make sure chmod 777*/
    $dir_e="/~hal/images";

    $filename = $_FILES['userfile']['name'];
    if ( $_POST['filename'] != "") {
	$filename = $_POST['filename'];
    }
    $filename = str_replace(" ", "_", $filename);
    
    print "<p>\n";
    $f=escapeshellarg($_FILES['userfile']['tmp_name']);
    system("file -b $f");
    $filetype=trim( `file -bi $f` );
    print "<br /> $filetype";
    print "\n</p>\n";

    if (!strstr($filetype, "image" )) {
	print "<p>Is not an image file, sorry.</p><hr />";
    } else {
system("convert -size $size1 $f -resize $size1 ${dir_l}/${filename}");
system("convert -size $size0 $f -resize $size0 ${dir_l}/thumb_${filename}");

$geom=trim(`identify -format 'width="%w" height="%h"' ${dir_l}/thumb_${filename}`);
?>
    <p>
      <a href="<?php echo "${dir_e}/${filename}" ?>">
	<img src="<?php echo "${dir_e}/thumb_${filename}" ?>" alt="[thumb]" 
	     <?php echo $geom ?> />
      </a>
    </p>
    <p>
      &lt;a href=&quot;<?php echo "${dir_e}/${filename}" ?>&quot;&gt;<br />
      &lt;img src=&quot;<?php echo "${dir_e}/thumb_${filename}" ?>&quot;<br />
      alt=&quot;[thumb]&quot; <?php echo $geom ?> /&gt;<br />
      &lt;/a&gt;
    </p>
    <hr />
    <?php } } ?>
  </body>
</html>
file modification time: 2004-11-29 00:40:55