function file_handler()
{
list($uploads_dir, $thumbs_dir) = setup_dir();
$files = $_FILES['files'];
$results = array();
foreach ($files['error'] as $key => $error) {
$result = isset($_POST['qid']) ? array('qid' => $_POST['qid']) : array();
$name = escape_special_char($files['name'][$key]);
$host = get_cdn();
if ($error == UPLOAD_ERR_OK) {
if ($files['size'][$key] > get_size_limit()) {
$result['status'] = 'failed';
$result['err'] = 'size_limit';
} else {
$temp = $files['tmp_name'][$key];
if ($duplicate = is_duplicate($temp)) {
$result['status'] = 'success';
$result['thumb'] = ($duplicate['thumb'] == 'none' ? '' : $host) . $duplicate['thumb'];
$result['path'] = $host . $duplicate['path'];
$result['name'] = $duplicate['name'];
$result['width'] = $duplicate['width'];
$result['height'] = $duplicate['height'];
$result['exlong'] = $duplicate['exlong'];
$result['extiny'] = $duplicate['extiny'];
} else {
$mime = file_mime_type($temp);
switch ($mime) {
case 'image/jpeg':
if (!preg_match('/\\.(jpg|jpeg|jpe|jfif|jfi|jif)$/i', $name)) {
$name .= '.jpg';
}
break;
case 'image/png':
if (!preg_match('/\\.(png)$/i', $name)) {
$name .= '.png';
}
break;
case 'image/gif':
if (!preg_match('/\\.(gif)$/i', $name)) {
$name .= '.gif';
}
break;
case 'image/svg+xml':
if (!preg_match('/\\.(svg)$/i', $name)) {
$name .= '.svg';
}
break;
default:
$result['status'] = 'failed';
$result['err'] = 'wrong_type';
}
if (!isset($result['status']) || !$result['status'] == 'failed') {
$name = rename_if_exists($name, $uploads_dir);
$path = "{$uploads_dir}/{$name}";
if (!move_uploaded_file($temp, ABSPATH . '/' . $path)) {
$result['status'] = 'failed';
$result['err'] = 'write_prohibited';
} else {
watermark($path);
$thumb = make_thumb($name, $path, $thumbs_dir);
if ($duplicate = duplicate_hash($name, $path, $thumb)) {
$result['status'] = 'success';
} else {
$result['status'] = 'error';
$result['err'] = 'fail_duplicate';
}
$result['path'] = $host . $path;
$result['name'] = $name;
$result['thumb'] = $thumb['generated'] ? $host . $thumb['path'] : 'none';
if (isset($thumb['width'])) {
$result['width'] = $thumb['width'];
$result['height'] = $thumb['height'];
$result['exlong'] = $thumb['exlong'];
$result['extiny'] = $thumb['extiny'];
}
}
}
}
}
} else {
switch ($error) {
case UPLOAD_ERR_INI_SIZE:
$result['status'] = 'failed';
$result['err'] = 'php_upload_size_limit';
break;
case UPLOAD_ERR_FORM_SIZE:
$result['status'] = 'failed';
$result['err'] = 'size_limit';
break;
case UPLOAD_ERR_PARTIAL:
$result['status'] = 'failed';
$result['err'] = 'part_upload';
break;
case UPLOAD_ERR_NO_FILE:
$result['status'] = 'failed';
$result['err'] = 'no_file';
break;
case UPLOAD_ERR_NO_TMP_DIR:
$result['status'] = 'failed';
$result['err'] = 'no_tmp';
break;
case UPLOAD_ERR_CANT_WRITE:
$result['status'] = 'failed';
$result['err'] = 'write_prohibited';
break;
}
}
array_push($results, $result);
}
return $results;
}
case 'k':
$val = intval($val) * 1024;
break;
case 'm':
$val = intval($val) * 1024 * 1024;
break;
case 'g':
$val = intval($val) * 1024 * 1024 * 1024;
break;
}
return $val;
}
//find the maximum file upload size
$max_upload = get_size_limit('upload_max_filesize');
$max_post = get_size_limit('post_max_size');
$memory_limit = get_size_limit('memory_limit');
$upload_limit = min($max_upload, $max_post, $memory_limit);
/*echo "Size limits:<br>";
echo $max_upload."<br>";
echo $max_post."<br>";
echo $memory_limit."<br>";
echo $upload_limit."<br>";*/
?>
<div id='fileuploader'>
<form action="upload.php" method="post" enctype="multipart/form-data">
<h2>Upload New File</h2>
<input type="file" name="fileToUpload" id="fileToUpload" size="70" data-uploadlimit="<?php
echo $upload_limit;
?>
">
echo __('Normal');
?>
</a><a id="url" class="noact"><?php
echo __('URL');
?>
</a></div>
<!-- Normal upload zone -->
<div id="normal_zone" class="zone">
<form id="normal_form" method="post" enctype="multipart/form-data">
<button id="file_select" class="affirmative" type="button"><?php
echo __('Select Files');
?>
</button>
<input type="file" id="file_list" name="files[]" accept="image/*" capture="filesystem camera" multiple>
<input type="hidden" name="MAX_FILE_SIZE" value="<?php
echo get_size_limit();
?>
" >
<input type="hidden" name="normal" value="upload" >
</form>
<div id="file_review">
</div>
</div>
<!-- URL upload zone -->
<div id="url_zone" class="zone">
<textarea id="url_list" placeholder="<?php
echo __('Please put URLs here, one URL per line, with leading \'http://\'');
?>
"></textarea>
</div>
<!-- Submit and Close buttons -->
function find_file_upload_limit()
{
//find the maximum file upload size
$max_upload = get_size_limit('upload_max_filesize');
$max_post = get_size_limit('post_max_size');
$memory_limit = get_size_limit('memory_limit');
$upload_limit = min($max_upload, $max_post, $memory_limit);
$limit_mb = $upload_limit / (1024 * 1024);
return $limit_mb;
}
