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upload.php
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upload.php
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<?php
###############################################################################
# my little forum #
# Copyright (C) 2004-2008 Alex #
# http://www.mylittlehomepage.net/ #
# Copyright (C) 2009-2019 H. August #
# https://www.projekt-mlf.de/ #
# #
# This program is free software; you can redistribute it and/or #
# modify it under the terms of the GNU General Public License #
# as published by the Free Software Foundation; either version 2 #
# of the License, or (at your option) any later version. #
# #
# 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. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the Free Software #
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
###############################################################################
include("inc.php");
if($settings['upload_images']!=1) die('This feature is not activated.');
$uploaded_images_path = 'img/uploaded/';
$images_per_page = 30;
function resize($uploaded_file, $file, $new_width, $new_height, $compression = 80) {
if (file_exists($file)) {
@chmod($file, 0777);
@unlink($file);
}
$image_info = getimagesize($uploaded_file);
if (!is_array($image_info) || $image_info[2] != 1 && $image_info[2] != 2 && $image_info[2] != 3) $error = true;
if (empty($error)) {
if ($image_info[2]==1) {
// GIF
$current_image = @ImageCreateFromGIF($uploaded_file) or $error = true;
if (empty($error)) $new_image = @ImageCreate($new_width,$new_height) or $error = true;
if (empty($error)) @ImageCopyResized($new_image,$current_image,0,0,0,0,$new_width,$new_height,$image_info[0],$image_info[1]) or $error = true;
if (empty($error)) @ImageGIF($new_image, $file) or $error = true;
} else if($image_info[2]==2) {
// JPG
$current_image = @ImageCreateFromJPEG($uploaded_file) or $error = true;
if (empty($error)) $new_image=@imagecreatetruecolor($new_width,$new_height) or $error = true;
if (empty($error)) @ImageCopyResized($new_image,$current_image,0,0,0,0,$new_width,$new_height,$image_info[0],$image_info[1]) or $error = true;
if (empty($error)) @ImageJPEG($new_image, $file, $compression) or $error = true;
} else if($image_info[2]==3) {
// PNG
$current_image=ImageCreateFromPNG($uploaded_file) or $error = true;
if (empty($error)) $new_image=imagecreatetruecolor($new_width,$new_height) or $error = true;
if (empty($error)) ImageCopyResized($new_image,$current_image,0,0,0,0,$new_width,$new_height,$image_info[0],$image_info[1]) or $error = true;
if (empty($error)) ImagePNG($new_image, $file) or $error = $true;
}
}
if (empty($error)) return true;
return false;
}
if (isset($_GET['action'])) $action = $_GET['action'];
else $action = 'upload';
$lang['upload_exp'] = str_replace("[width]", $settings['upload_max_img_width'], $lang['upload_exp']);
$lang['upload_exp'] = str_replace("[height]", $settings['upload_max_img_height'], $lang['upload_exp']);
$lang['upload_exp'] = str_replace("[size]", $settings['upload_max_img_size'], $lang['upload_exp']);
if (isset($_FILES['probe']) && $_FILES['probe']['size'] != 0 && !$_FILES['probe']['error']) {
unset($errors);
$image_info = getimagesize($_FILES['probe']['tmp_name']);
if (!is_array($image_info) || $image_info[2] != 1 && $image_info[2] != 2 && $image_info[2] != 3) $errors[] = $lang['invalid_file_format'];
if (empty($errors)) {
if ($_FILES['probe']['size'] > $settings['upload_max_img_size']*1000 || $image_info[0] > $settings['upload_max_img_width'] || $image_info[1] > $settings['upload_max_img_height']) {
$compression = 10;
$width = $image_info[0];
$height = $image_info[1];
if($width >= $height) {
$new_width = $settings['upload_max_img_width'];
$new_height = intval($height*$new_width/$width);
} else {
$new_height = $settings['upload_max_img_height'];
$new_width = intval($width*$new_height/$height);
}
$img_tmp_name = uniqid(rand()).'.tmp';
for ($compression = 100; $compression > 9; $compression = $compression - 10) {
if (!resize($_FILES['probe']['tmp_name'], $uploaded_images_path.$img_tmp_name, $new_width, $new_height, $compression)) {
$file_size = @filesize($uploaded_images_path.$img_tmp_name);
break;
}
$file_size = @filesize($uploaded_images_path.$img_tmp_name);
if ($image_info[2] != 2 && $file_size > $settings['upload_max_img_size']*1000) break;
if ($file_size <= $settings['upload_max_img_size']*1000) break;
}
if($file_size > $settings['upload_max_img_size']*1000) {
$file_too_large_dump = str_replace("[width]", $image_info[0], $lang['file_too_large']);
$file_too_large_dump = str_replace("[height]", $image_info[1], $file_too_large_dump);
$file_too_large_dump = str_replace("[size]", number_format($_FILES['probe']['size']/1000,0, ",", ""), $file_too_large_dump);
$errors[] = $file_too_large_dump;
}
if (isset($errors)) {
if (file_exists($uploaded_images_path.$img_tmp_name)) {
@chmod($uploaded_images_path.$img_tmp_name, 0777);
@unlink($uploaded_images_path.$img_tmp_name);
}
}
}
}
if (empty($errors)) {
$nr = 0;
switch ($image_info[2]) {
case 1:
for(;;) { $nr++; if (!file_exists($uploaded_images_path."image".$nr.".gif")) break; }
$filename = "image".$nr.".gif";
break;
case 2:
for(;;) { $nr++; if (!file_exists($uploaded_images_path."image".$nr.".jpg")) break; }
$filename = "image".$nr.".jpg";
break;
case 3:
for(;;) { $nr++; if (!file_exists($uploaded_images_path."image".$nr.".png")) break; }
$filename = "image".$nr.".png";
break;
}
if (isset($img_tmp_name)) {
@rename($uploaded_images_path.$img_tmp_name, $uploaded_images_path.$filename) or $errors[] = $lang['upload_error'];
$image_manipulated = str_replace('[width]',$new_width,$lang['image_manipulated']);
$image_manipulated = str_replace('[height]',$new_height,$image_manipulated);
$image_manipulated = str_replace("[size]",number_format($file_size/1000,0,",",""),$image_manipulated);
} else {
@move_uploaded_file($_FILES['probe']['tmp_name'], $uploaded_images_path.$filename) or $errors[] = $lang['upload_error'];
}
}
if(empty($errors)) {
@chmod($uploaded_images_path.$filename, 0644);
$action = 'uploaded';
}
else $action = 'upload';
}
if (empty($errors)) {
if (isset($_FILES['probe']['error'])) $errors[] = str_replace('[maximum_file_size]', ini_get('upload_max_filesize'), $lang['upload_error_2']);
}
if (isset($_GET['uploaded_image_selected'])) {
$filename = $_GET['uploaded_image_selected'];
$action = 'uploaded';
}
?><html>
<head>
<title><?php echo $lang['upload_image_title']; ?></title>
<style type="text/css">
<!--
body { font-family: Verdana,Arial,Helvetica,sans-serif; color: #000000; font-size:13px; background: #fff; margin: 0px; padding: 20px; }
h1 { margin: 0px 0px 20px 0px; font-size:18px; font-weight:bold; }
.caution { color: red; font-weight: bold; }
a:link { color: #0000cc; text-decoration: none; }
a:visited { color: #0000cc; text-decoration: none; }
a:hover { color: #0000ff; text-decoration: underline; }
a:active { color: #ff0000; text-decoration: none; }
-->
</style>
</head>
<body>
<?php
switch($action)
{
case 'upload':
?><h1><?php echo $lang['upload_image_title']; ?></h1><?php
if(isset($errors))
{
?><p class="caution"><?php echo $lang['error_headline']; ?></p><ul><?php foreach($errors as $f) { ?><li><?php echo $f; ?></li><?php } ?></ul><?php
}
?><p><?php echo $lang['upload_exp']; ?></p>
<form action="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>" method="post" enctype="multipart/form-data" accept-charset="UTF-8">
<input type="file" name="probe" /><br><br>
<input type="submit" value="<?php echo $lang['upload_subm_button']; ?>">
</form>
<p style="font-size:11px;">[ <a href="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>?action=show_uploaded_images"><?php echo $lang['available_images']; ?></a> ]</p><?php
break;
case 'uploaded':
if (isset($_FILES['probe']))
{
?><h1><?php echo $lang['upload_image_title']; ?></h1><?php
if(isset($image_manipulated))
{
?><p><?php echo $image_manipulated; ?></p><?php
}
else
{
?><p><?php echo $lang['upload_successful']; ?></p><?php
}
}
?><img src="img/uploaded/<?php echo $filename; ?>" alt="" height="100" border="1">
<p><?php echo $lang['paste_image']; ?></p>
<p><button style="width:25px; height:25px;" title="<?php echo $lang['insert_image_normal']; ?>" onclick="opener.insert('[img]<?php echo $uploaded_images_path.$filename; ?>[/img]'); window.close()"><img src="<?php echo $settings['themepath']; ?>/img/img_normal.gif" alt="<?php echo $lang['insert_image_normal']; ?>" wifth="11" height="11" /></button>
<button style="width:25px; height:25px;" title="<?php echo $lang['insert_image_left']; ?>" onclick="opener.insert('[img|left]<?php echo $uploaded_images_path.$filename; ?>[/img]'); window.close()"><img src="<?php echo $settings['themepath']; ?>/img/img_left.gif" alt="<?php echo $lang['insert_image_left']; ?>" wifth="11" height="11" /></button>
<button style="width:25px; height:25px;" title="<?php echo $lang['insert_image_right']; ?>" onclick="opener.insert('[img|right]<?php echo $uploaded_images_path.$filename; ?>[/img]'); window.close()"><img src="<?php echo $settings['themepath']; ?>/img/img_right.gif" alt="<?php echo $lang['insert_image_right']; ?>" wifth="11" height="11" /></button></p><?php
break;
case 'show_uploaded_images':
if (isset($_GET['p'])) $p = intval($_GET['p']); else $p = 1;
$c=0;
$handle=opendir($uploaded_images_path);
while ($file = readdir($handle))
{
if(preg_match('/\.jpg$/i', $file) || preg_match('/\.png$/i', $file) || preg_match('/\.gif$/i', $file))
{
$images[] = $file;
}
}
closedir($handle);
if(isset($images))
{
$images_count = count($images);
$show_images_from = $p * $images_per_page - $images_per_page;
$show_images_to = $p * $images_per_page;
if($show_images_to>$images_count) $show_images_to = $images_count;
}
else $images_count = 0;
?><p><?php
if ($p>1) { ?>[ <a href="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>?action=show_uploaded_images&p=<?php echo intval($p-1); ?>">«</a> ] <?php } if($p*$images_per_page < $images_count) { ?>[ <a href="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>?action=show_uploaded_images&p=<?php echo intval($p+1); ?>">»</a> ] <?php } ?>
[ <a href="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>"><?php echo $lang['upload_image_title']; ?></a> ]</p>
<hr /><p><?php
if($images_count > 0)
{
for($i=$show_images_from;$i<$show_images_to;$i++)
{
?><a href="<?php echo basename($_SERVER['SCRIPT_NAME']); ?>?uploaded_image_selected=<?php echo urlencode($images[$i]); ?>"><img style="margin: 0px 15px 15px 0px;" src="<?php echo $uploaded_images_path.$images[$i]; ?>" alt="<?php echo htmlsc($images[$i]); ?>" height="100" border="0"></a><?php
}
}
else
{
?><i><?php echo $lang['no_images']; ?></i><?php
}
?></p><?php
break;
}
?></body>
</html>