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May 30, 2019 13:40
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a simple php upload script
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<?php | |
header("Content-Type: text/html; charset=utf-8"); | |
function display_filesize($filesize) { | |
if (is_numeric($filesize)) { | |
$decr = 1024; | |
$step = 0; | |
$prefix = array('Byte','KB','MB','GB','TB','PB'); | |
while(($filesize / $decr) > 0.9){ | |
$filesize = $filesize / $decr; | |
$step++; | |
} | |
return round($filesize,2).' '.$prefix[$step]; | |
} else { | |
return 'NaN'; | |
} | |
} | |
// configuration options | |
$overwrite = true; // allow overwriting with the same name | |
$img_ext = array('.jpg','.gif','.bmp','.png', '.jpeg', '.svg'); | |
$forbidden_filenames = array('index.html', 'index.htm', 'index.php'); | |
$max_filesize = 134217728; | |
$upload_path = '../temp/'; // include trailing slash | |
$nr_files = 5; | |
// get the filename of this upload script | |
$file = $_SERVER["SCRIPT_NAME"]; | |
$break = Explode('/', $file); | |
$pfile = $break[count($break) - 1]; | |
$POST_MAX_SIZE = ini_get('post_max_size'); | |
$mul = substr($POST_MAX_SIZE, -1); | |
$mul = ($mul == 'M' ? 1048576 : ($mul == 'K' ? 1024 : ($mul == 'G' ? 1073741824 : 1))); | |
$max_post_size = $mul*(int)$POST_MAX_SIZE; | |
$UPLOAD_MAX_SIZE = ini_get('upload_max_filesize'); | |
$mul = substr($UPLOAD_MAX_SIZE, -1); | |
$mul = ($mul == 'M' ? 1048576 : ($mul == 'K' ? 1024 : ($mul == 'G' ? 1073741824 : 1))); | |
$max_upload_size = $mul*(int)$UPLOAD_MAX_SIZE; | |
if ($max_post_size < $max_filesize) $max_filesize = $max_post_size; | |
if ($max_upload_size < $max_filesize) $max_filesize = $max_upload_size; | |
if (!file_exists($upload_path)) | |
die('Configuration error: this script cannot find the upload path <code>' . $upload_path . '</code>'); | |
elseif (!is_writable($upload_path)) | |
die('Configuration error: this script does not have write access to <code>' . $upload_path . '</code> (chmod it).'); | |
else { | |
// print the upload form | |
?> | |
<form action="<?php echo $pfile; ?>" method="post" enctype="multipart/form-data" accept-charset="utf-8"> | |
<h2>http file uploader</h2> | |
<p> </p> | |
<?php | |
for ($i = 1; $i <= $nr_files; ++$i) { | |
echo '<p><label for="file'. $i . '">Select file ' . $i . ':</label> <input type="file" name="file'.$i.'" id="file'.$i.'" style="width:40%"></p>'; | |
} | |
?> | |
</p> | |
<p> </p> | |
<input type="submit" style="margin-left: 15%; width:20%; height:60px" value="UPLOAD" /> | |
<p> </p> | |
<p>File size limited to <?php echo display_filesize($max_filesize); ?>.</p> | |
<?php | |
if (file_exists($upload_path . "index.html") || file_exists($upload_path . "index.htm") || file_exists($upload_path . "index.php")) { | |
echo '<p>Uploads are not indexed. Do not lose the URL!</p>'; | |
} | |
else { | |
echo '<p>Uploads can be found at <a href="' . $upload_path . '">' . $upload_path . '</a></p>'; | |
} | |
?> | |
</form> | |
<?php | |
} // end upload form | |
if ($_SERVER['REQUEST_METHOD'] == 'POST') { | |
for ($i = 1; $i <= $nr_files; ++$i) { | |
$filename = $_FILES['file'.$i]['name']; | |
$filename = stripslashes($filename); | |
if ($filename == "") continue; | |
// check for use of reserved filenames | |
if (in_array($filename, $forbidden_filenames)) { | |
echo '<font color=red>Illegal filename: <font face="Courier New, fixed">' . $filename . '</font></font>'; | |
continue; | |
} | |
// check if file exists | |
if (!$overwrite && file_exists($upload_path . $filename)) { | |
echo '<font color=red>File exists: <font face="Courier New, fixed">' . $filename . '</font>. Please use a different name.</font>'; | |
continue; | |
} | |
$ext = substr($filename, strpos($filename,'.'), strlen($filename)-1); | |
echo '<hr>'; | |
// Check if the filetype is allowed, if not DIE and inform the user. | |
//if (!in_array($ext, $allowed_filetypes)) | |
// die('The file type you attempted to upload is not allowed.'); | |
if (filesize($_FILES['file'.$i]['tmp_name']) > $max_filesize) | |
echo '<p><font color=red>File '.$i.' is too large (' . display_filesize(filesize($_FILES['file'.$i]['tmp_name'])) . ').</font> The maximum filesize is '.display_filesize($max_filesize).' bytes.</p>'; | |
else { | |
if (move_uploaded_file($_FILES['file'.$i]['tmp_name'], $upload_path . $filename)) { | |
echo '<p><font color=green>File '.$i.' upload was successful</font></p>'; | |
echo '<p>The URL is: <a href="' . $upload_path . rawurlencode($filename) . '">' . $upload_path . rawurlencode($filename) . '</p>'; | |
if (in_array($ext, $img_ext)) echo '<img src="' . $upload_path . urlencode($filename) . '" width=200 height=200 border=0>'; | |
echo '</a>'; | |
} | |
else { | |
echo '<font color=red>There was an error during the upload of file ' . $i . '. Please try again.</font>'; | |
} | |
} | |
} | |
} | |
?> |
But if i change it to like 999999999
i will get Error 500 :/
100 MB | 100,000,000 Bytes | 104,857,600 Bytes
Limit is stuck at 2MB :/
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https://gist.github.com/turingbirds/2a29825e120c541f6965#file-upload-php-L27 Change the value to something in bytes