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2121 lars 1 
<?php
2 
 
3 
/*
4 
* jQuery File Upload Plugin PHP Class
5 
* https://github.com/blueimp/jQuery-File-Upload
6 
*
7 
* Copyright 2010, Sebastian Tschan
8 
* https://blueimp.net
9 
*
10 
* Licensed under the MIT license:
11 
* https://opensource.org/licenses/MIT
12 
*/
13 
 
2130 lars 14 
if (preg_match("/\.local$/", $_SERVER["SERVER_NAME"])) {
2121 lars 15 
	//$GLOBALS["site"] .= ".local";
16 
}
17 
$options = null;
18 
 
19 
$real_url = getDokDomain();
20 
$real_url .= "/images/upload/";
2124 lars 21 
$real_folder = $GLOBALS["webs"]["verzeichnis"] . "/images/upload/";
2121 lars 22 
 
23 
$folder = "";
24 
$GLOBALS["folder"] = "";
2130 lars 25 
if (isset($_POST["folder"]) && $_POST["folder"]) {
2121 lars 26 
	$folder = Weban_Utils::clean_global_input("folder");
2130 lars 27 
} elseif (isset($_GET["folder"]) && $_GET["folder"]) {
2121 lars 28 
	$folder = Weban_Utils::clean_global_input("folder", "get");
29 
}
30 
 
31 
$bvKonf = "";
2130 lars 32 
if (isset($GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"])) {
2121 lars 33 
	$bvKonf = $GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"];
34 
}
2130 lars 35 
if (!$bvKonf) {
2121 lars 36 
	$bvKonf = "Bild;;651;651";
37 
}
38 
$GLOBALS["Imagedaten"] = array_chunk(explode(";", $bvKonf), 4);
2130 lars 39 
if ($folder) {
2121 lars 40 
	$folder = rtrim($folder, "/");
41 
	$GLOBALS["folder"] = $folder;
42 
	$folder .= "/";
43 
	$real_folder .= $folder;
44 
	$real_url .= $folder;
45 
	$options["upload_dir"] = $real_folder;
46 
	$options["upload_url"] = $real_url;
2130 lars 47 
	foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 48 
		$options["image_versions"][$set[0]] = array(
49 
			"upload_dir" => $real_folder . $set[1] . "/",
50 
			"upload_url" => $real_url . $set[1] . "/",
51 
			"max_width" => $set[2],
52 
			"max_height" => $set[3],
53 
			);
54 
	}
2130 lars 55 
	if (!file_exists($options["upload_dir"] . "/orig/")) {
2121 lars 56 
		mkdir($options["upload_dir"] . "/orig/", 0755, true);
57 
	}
58 
}
59 
 
60 
class UploadHandler
61 
{
62 
 
63 
	protected $options;
64 
 
65 
	// PHP File Upload error message codes:
66 
	// http://php.net/manual/en/features.file-upload.errors.php
67 
	protected $error_messages = array(
68 
		1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
69 
		2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
70 
		3 => 'The uploaded file was only partially uploaded',
71 
		4 => 'No file was uploaded',
72 
		6 => 'Missing a temporary folder',
73 
		7 => 'Failed to write file to disk',
74 
		8 => 'A PHP extension stopped the file upload',
75 
		'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini',
76 
		'max_file_size' => 'File is too big',
77 
		'min_file_size' => 'File is too small',
78 
		'accept_file_types' => 'Filetype not allowed',
79 
		'max_number_of_files' => 'Maximum number of files exceeded',
80 
		'max_width' => 'Image exceeds maximum width',
81 
		'min_width' => 'Image requires a minimum width',
82 
		'max_height' => 'Image exceeds maximum height',
83 
		'min_height' => 'Image requires a minimum height',
84 
		'abort' => 'File upload aborted',
85 
		'image_resize' => 'Failed to resize image');
86 
 
87 
	protected $image_objects = array();
88 
 
89 
	public function __construct($options = null, $initialize = true, $error_messages = null)
90 
	{
2128 lars 91 
		$real_url = getDokDomain();
92 
		$real_url .= "/images/upload/";
93 
		$real_folder = $GLOBALS["webs"]["verzeichnis"] . '/images/upload/';
2121 lars 94 
		$this->response = array();
95 
		$this->options = array(
96 
			'script_url' => $this->get_full_url() . '/' . $this->basename($this->
97 
				get_server_var('SCRIPT_NAME')),
2128 lars 98 
			'upload_dir' => $real_folder . "orig/",
99 
			'upload_url' => $real_url . "orig/",
2121 lars 100 
			'input_stream' => 'php://input',
101 
			'user_dirs' => false,
102 
			'mkdir_mode' => 0755,
103 
			'param_name' => 'files',
104 
			// Set the following option to 'POST', if your server does not support
105 
			// DELETE requests. This is a parameter sent to the client:
106 
			'delete_type' => 'DELETE',
107 
			'access_control_allow_origin' => '*',
108 
			'access_control_allow_credentials' => false,
109 
			'access_control_allow_methods' => array(
110 
				'OPTIONS',
111 
				'HEAD',
112 
				'GET',
113 
				'POST',
114 
				'PUT',
115 
				'PATCH',
2130 lars 116 
				'DELETE',
117 
				),
2121 lars 118 
			'access_control_allow_headers' => array(
119 
				'Content-Type',
120 
				'Content-Range',
2130 lars 121 
				'Content-Disposition',
122 
				),
2121 lars 123 
			// By default, allow redirects to the referer protocol+host:
124 
			'redirect_allow_target' => '/^' . preg_quote(parse_url($this->get_server_var('HTTP_REFERER'),
125 
				PHP_URL_SCHEME) . '://' . parse_url($this->get_server_var('HTTP_REFERER'),
126 
				PHP_URL_HOST) . '/', // Trailing slash to not match subdomains by mistake
127 
				'/' // preg_quote delimiter param
128 
				) . '/',
129 
			// Enable to provide file downloads via GET requests to the PHP script:
130 
			//     1. Set to 1 to download files via readfile method through PHP
131 
			//     2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
132 
			//     3. Set to 3 to send a X-Accel-Redirect header for nginx
133 
			// If set to 2 or 3, adjust the upload_url option to the base path of
134 
			// the redirect parameter, e.g. '/files/'.
135 
			'download_via_php' => false,
136 
			// Read files in chunks to avoid memory limits when download_via_php
137 
			// is enabled, set to 0 to disable chunked reading of files:
138 
			'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
139 
			// Defines which files can be displayed inline when downloaded:
2130 lars 140 
			'inline_file_types' => '/\.(gif|jpe?g|png|svg)$/i',
2121 lars 141 
			// Defines which files (based on their names) are accepted for upload:
142 
			'accept_file_types' => '/.+$/i',
143 
			// The php.ini settings upload_max_filesize and post_max_size
144 
			// take precedence over the following max_file_size setting:
145 
			'max_file_size' => null,
146 
			'min_file_size' => 1,
147 
			// The maximum number of files for the upload directory:
148 
			'max_number_of_files' => null,
149 
			// Defines which files are handled as image files:
150 
			'image_file_types' => '/\.(gif|jpe?g|png)$/i',
151 
			// Use exif_imagetype on all files to correct file extensions:
152 
			'correct_image_extensions' => false,
153 
			// Image resolution restrictions:
154 
			'max_width' => null,
155 
			'max_height' => null,
156 
			'min_width' => 1,
157 
			'min_height' => 1,
158 
			// Set the following option to false to enable resumable uploads:
159 
			'discard_aborted_uploads' => true,
160 
			// Set to 0 to use the GD library to scale and orient images,
161 
			// set to 1 to use imagick (if installed, falls back to GD),
162 
			// set to 2 to use the ImageMagick convert binary directly:
163 
			'image_library' => 1,
164 
			// Uncomment the following to define an array of resource limits
165 
			// for imagick:
166 
			/*
167 
			'imagick_resource_limits' => array(
168 
			imagick::RESOURCETYPE_MAP => 32,
169 
			imagick::RESOURCETYPE_MEMORY => 32
170 
			),
171 
			*/
172 
			// Command or path for to the ImageMagick convert binary:
173 
			'convert_bin' => 'convert',
174 
			// Uncomment the following to add parameters in front of each
175 
			// ImageMagick convert call (the limit constraints seem only
176 
			// to have an effect if put in front):
177 
			/*
178 
			'convert_params' => '-limit memory 32MiB -limit map 32MiB',
179 
			*/
180 
			// Command or path for to the ImageMagick identify binary:
181 
			'identify_bin' => 'identify',
182 
			'print_response' => true);
2130 lars 183 
		foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 184 
			$this->options["image_versions"][$set[0]] = array(
185 
				"upload_dir" => $real_folder . $set[1] . "/",
186 
				"upload_url" => $real_url . $set[1] . "/",
187 
				"max_width" => $set[2],
188 
				"max_height" => $set[3],
189 
				);
190 
		}
2130 lars 191 
		if ($options) {
2121 lars 192 
			$this->options = $options + $this->options;
193 
		}
2130 lars 194 
		if ($error_messages) {
2121 lars 195 
			$this->error_messages = $error_messages + $this->error_messages;
196 
		}
2130 lars 197 
		if ($initialize) {
2121 lars 198 
			$this->initialize();
199 
		}
200 
	}
201 
 
202 
	protected function initialize()
203 
	{
2130 lars 204 
		switch ($this->get_server_var('REQUEST_METHOD')) {
2121 lars 205 
			case 'OPTIONS':
206 
			case 'HEAD':
207 
				$this->head();
208 
				break;
209 
			case 'GET':
210 
				$this->get($this->options['print_response']);
211 
				break;
212 
			case 'PATCH':
213 
			case 'PUT':
214 
			case 'POST':
215 
				$this->post($this->options['print_response']);
216 
				break;
217 
			case 'DELETE':
218 
				$this->delete($this->options['print_response']);
219 
				break;
220 
			default:
221 
				$this->header('HTTP/1.1 405 Method Not Allowed');
222 
		}
223 
	}
224 
 
225 
	protected function get_full_url()
226 
	{
227 
		$https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0 ||
228 
			!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_PROTO'],
229 
			'https') === 0;
230 
		return ($https ? 'https://' : 'http://') . (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] .
231 
			'@' : '') . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'] .
232 
			($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ?
233 
			'' : ':' . $_SERVER['SERVER_PORT']))) . substr($_SERVER['SCRIPT_NAME'], 0,
234 
			strrpos($_SERVER['SCRIPT_NAME'], '/'));
235 
	}
236 
 
237 
	protected function get_user_id()
238 
	{
239 
		@session_start();
240 
		return session_id();
241 
	}
242 
 
243 
	protected function get_user_path()
244 
	{
2130 lars 245 
		if ($this->options['user_dirs']) {
2121 lars 246 
			return $this->get_user_id() . '/';
247 
		}
248 
		return '';
249 
	}
250 
 
251 
	protected function get_upload_path($file_name = null, $version = null)
252 
	{
253 
		$file_name = $file_name ? $file_name : '';
2130 lars 254 
		if (empty($version)) {
2121 lars 255 
			$version_path = '';
2130 lars 256 
		} else {
2121 lars 257 
			$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
2130 lars 258 
			if ($version_dir) {
2121 lars 259 
				return $version_dir . $this->get_user_path() . $file_name;
260 
			}
261 
			$version_path = $version . '/';
262 
		}
263 
		return $this->options['upload_dir'] . $this->get_user_path() . $version_path . $file_name;
264 
	}
265 
 
266 
	protected function get_query_separator($url)
267 
	{
268 
		return strpos($url, '?') === false ? '?' : '&';
269 
	}
270 
 
271 
	protected function get_download_url($file_name, $version = null, $direct = false)
272 
	{
2130 lars 273 
		if (!$direct && $this->options['download_via_php']) {
2121 lars 274 
			$url = $this->options['script_url'] . $this->get_query_separator($this->options['script_url']) .
275 
				$this->get_singular_param_name() . '=' . rawurlencode($file_name);
2130 lars 276 
			if ($version) {
2121 lars 277 
				$url .= '&version=' . rawurlencode($version);
278 
			}
279 
			return $url . '&download=1';
280 
		}
2130 lars 281 
		if (empty($version)) {
2121 lars 282 
			$version_path = '';
2130 lars 283 
		} else {
2121 lars 284 
			$version_url = @$this->options['image_versions'][$version]['upload_url'];
2130 lars 285 
			if ($version_url) {
2121 lars 286 
				return $version_url . $this->get_user_path() . rawurlencode($file_name);
287 
			}
288 
			$version_path = rawurlencode($version) . '/';
289 
		}
290 
		return $this->options['upload_url'] . $this->get_user_path() . $version_path .
291 
			rawurlencode($file_name);
292 
	}
293 
 
294 
	protected function set_additional_file_properties($file)
295 
	{
296 
		$file->deleteUrl = $this->options['script_url'] . $this->get_query_separator($this->
297 
			options['script_url']) . $this->get_singular_param_name() . '=' . rawurlencode($file->
298 
			name);
299 
		$file->deleteType = $this->options['delete_type'];
2130 lars 300 
		if ($file->deleteType !== 'DELETE') {
2121 lars 301 
			$file->deleteUrl .= '&_method=DELETE';
302 
		}
2130 lars 303 
        trigger_error($file->deleteUrl);
304 
		if ($this->options['access_control_allow_credentials']) {
2121 lars 305 
			$file->deleteWithCredentials = true;
306 
		}
307 
	}
308 
 
309 
	// Fix for overflowing signed 32 bit integers,
310 
	// works for sizes up to 2^32-1 bytes (4 GiB - 1):
311 
	protected function fix_integer_overflow($size)
312 
	{
2130 lars 313 
		if ($size < 0) {
2121 lars 314 
			$size += 2.0 * (PHP_INT_MAX + 1);
315 
		}
316 
		return $size;
317 
	}
318 
 
319 
	protected function get_file_size($file_path, $clear_stat_cache = false)
320 
	{
2130 lars 321 
		if ($clear_stat_cache) {
322 
			if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
2121 lars 323 
				clearstatcache(true, $file_path);
2130 lars 324 
			} else {
2121 lars 325 
				clearstatcache();
326 
			}
327 
		}
328 
		return $this->fix_integer_overflow(filesize($file_path));
329 
	}
330 
 
331 
	protected function is_valid_file_object($file_name)
332 
	{
333 
		$file_path = $this->get_upload_path($file_name);
2130 lars 334 
		if (is_file($file_path) && $file_name[0] !== '.') {
2121 lars 335 
			return true;
336 
		}
337 
		return false;
338 
	}
339 
 
340 
	protected function get_file_object($file_name)
341 
	{
2130 lars 342 
		if ($this->is_valid_file_object($file_name)) {
2121 lars 343 
			$file = new \stdClass();
344 
			$file->name = $file_name;
345 
			$file->size = $this->get_file_size($this->get_upload_path($file_name));
346 
			$file->url = $this->get_download_url($file->name);
2130 lars 347 
			foreach ($this->options['image_versions'] as $version => $options) {
348 
				if (!empty($version)) {
349 
					if (is_file($this->get_upload_path($file_name, $version))) {
2121 lars 350 
						$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
351 
					}
352 
				}
353 
			}
354 
			$this->set_additional_file_properties($file);
355 
			return $file;
356 
		}
357 
		return null;
358 
	}
359 
 
360 
	protected function get_file_objects($iteration_method = 'get_file_object')
361 
	{
362 
		$upload_dir = $this->get_upload_path();
2130 lars 363 
		if (!is_dir($upload_dir)) {
2121 lars 364 
			return array();
365 
		}
366 
		return array_values(array_filter(array_map(array($this, $iteration_method),
367 
			scandir($upload_dir))));
368 
	}
369 
 
370 
	protected function count_file_objects()
371 
	{
372 
		return count($this->get_file_objects('is_valid_file_object'));
373 
	}
374 
 
375 
	protected function get_error_message($error)
376 
	{
377 
		return isset($this->error_messages[$error]) ? $this->error_messages[$error] : $error;
378 
	}
379 
 
380 
	public function get_config_bytes($val)
381 
	{
382 
		$val = trim($val);
383 
		$last = strtolower($val[strlen($val) - 1]);
384 
		$val = (int)$val;
2130 lars 385 
		switch ($last) {
2121 lars 386 
			case 'g':
387 
				$val *= 1024;
388 
			case 'm':
389 
				$val *= 1024;
390 
			case 'k':
391 
				$val *= 1024;
392 
		}
393 
		return $this->fix_integer_overflow($val);
394 
	}
395 
 
396 
	protected function validate($uploaded_file, $file, $error, $index)
397 
	{
2130 lars 398 
		if ($error) {
2121 lars 399 
			$file->error = $this->get_error_message($error);
400 
			return false;
401 
		}
402 
		$content_length = $this->fix_integer_overflow((int)$this->get_server_var('CONTENT_LENGTH'));
403 
		$post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
2130 lars 404 
		if ($post_max_size && ($content_length > $post_max_size)) {
2121 lars 405 
			$file->error = $this->get_error_message('post_max_size');
406 
			return false;
407 
		}
2130 lars 408 
		if (!preg_match($this->options['accept_file_types'], $file->name)) {
2121 lars 409 
			$file->error = $this->get_error_message('accept_file_types');
410 
			return false;
411 
		}
2130 lars 412 
		if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 413 
			$file_size = $this->get_file_size($uploaded_file);
2130 lars 414 
		} else {
2121 lars 415 
			$file_size = $content_length;
416 
		}
417 
		if ($this->options['max_file_size'] && ($file_size > $this->options['max_file_size'] ||
2130 lars 418 
			$file->size > $this->options['max_file_size'])) {
2121 lars 419 
			$file->error = $this->get_error_message('max_file_size');
420 
			return false;
421 
		}
2130 lars 422 
		if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) {
2121 lars 423 
			$file->error = $this->get_error_message('min_file_size');
424 
			return false;
425 
		}
426 
		if (is_int($this->options['max_number_of_files']) && ($this->count_file_objects
427 
			() >= $this->options['max_number_of_files']) &&
428 
			// Ignore additional chunks of existing files:
2130 lars 429 
			!is_file($this->get_upload_path($file->name))) {
2121 lars 430 
			$file->error = $this->get_error_message('max_number_of_files');
431 
			return false;
432 
		}
433 
		$max_width = @$this->options['max_width'];
434 
		$max_height = @$this->options['max_height'];
435 
		$min_width = @$this->options['min_width'];
436 
		$min_height = @$this->options['min_height'];
437 
		if (($max_width || $max_height || $min_width || $min_height) && preg_match($this->
2130 lars 438 
			options['image_file_types'], $file->name)) {
2121 lars 439 
			list($img_width, $img_height) = $this->get_image_size($uploaded_file);
440 
 
441 
			// If we are auto rotating the image by default, do the checks on
442 
			// the correct orientation
443 
			if (@$this->options['image_versions']['']['auto_orient'] && function_exists('exif_read_data') &&
2130 lars 444 
				($exif = @exif_read_data($uploaded_file)) && (((int)@$exif['Orientation']) >= 5)) {
2121 lars 445 
				$tmp = $img_width;
446 
				$img_width = $img_height;
447 
				$img_height = $tmp;
448 
				unset($tmp);
449 
			}
450 
 
451 
		}
2130 lars 452 
		if (!empty($img_width)) {
453 
			if ($max_width && $img_width > $max_width) {
2121 lars 454 
				$file->error = $this->get_error_message('max_width');
455 
				return false;
456 
			}
2130 lars 457 
			if ($max_height && $img_height > $max_height) {
2121 lars 458 
				$file->error = $this->get_error_message('max_height');
459 
				return false;
460 
			}
2130 lars 461 
			if ($min_width && $img_width < $min_width) {
2121 lars 462 
				$file->error = $this->get_error_message('min_width');
463 
				return false;
464 
			}
2130 lars 465 
			if ($min_height && $img_height < $min_height) {
2121 lars 466 
				$file->error = $this->get_error_message('min_height');
467 
				return false;
468 
			}
469 
		}
470 
		return true;
471 
	}
472 
 
473 
	protected function upcount_name_callback($matches)
474 
	{
475 
		$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1;
476 
		$ext = isset($matches[2]) ? $matches[2] : '';
477 
		return ' (' . $index . ')' . $ext;
478 
	}
479 
 
480 
	protected function upcount_name($name)
481 
	{
482 
		return preg_replace_callback('/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this,
483 
				'upcount_name_callback'), $name, 1);
484 
	}
485 
 
486 
	protected function get_unique_filename($file_path, $name, $size, $type, $error,
487 
		$index, $content_range)
488 
	{
2130 lars 489 
		while (is_dir($this->get_upload_path($name))) {
2121 lars 490 
			$name = $this->upcount_name($name);
491 
		}
492 
		// Keep an existing filename if this is part of a chunked upload:
493 
		$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]);
2130 lars 494 
		while (is_file($this->get_upload_path($name))) {
495 
			if ($uploaded_bytes === $this->get_file_size($this->get_upload_path($name))) {
2121 lars 496 
				break;
497 
			}
498 
			$name = $this->upcount_name($name);
499 
		}
500 
		return $name;
501 
	}
502 
 
503 
	protected function fix_file_extension($file_path, $name, $size, $type, $error, $index,
504 
		$content_range)
505 
	{
506 
		// Add missing file extension for known image types:
507 
		if (strpos($name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type,
2130 lars 508 
			$matches)) {
2121 lars 509 
			$name .= '.' . $matches[1];
510 
		}
2130 lars 511 
		if ($this->options['correct_image_extensions'] && function_exists('exif_imagetype')) {
512 
			switch (@exif_imagetype($file_path)) {
2121 lars 513 
				case IMAGETYPE_JPEG:
514 
					$extensions = array('jpg', 'jpeg');
515 
					break;
516 
				case IMAGETYPE_PNG:
517 
					$extensions = array('png');
518 
					break;
519 
				case IMAGETYPE_GIF:
520 
					$extensions = array('gif');
521 
					break;
522 
			}
523 
			// Adjust incorrect image file extensions:
2130 lars 524 
			if (!empty($extensions)) {
2121 lars 525 
				$parts = explode('.', $name);
526 
				$extIndex = count($parts) - 1;
527 
				$ext = strtolower(@$parts[$extIndex]);
2130 lars 528 
				if (!in_array($ext, $extensions)) {
2121 lars 529 
					$parts[$extIndex] = $extensions[0];
530 
					$name = implode('.', $parts);
531 
				}
532 
			}
533 
		}
534 
		return $name;
535 
	}
536 
 
537 
	protected function trim_file_name($file_path, $name, $size, $type, $error, $index,
538 
		$content_range)
539 
	{
540 
		// Remove path information and dots around the filename, to prevent uploading
541 
		// into different directories or replacing hidden system files.
542 
		// Also remove control characters and spaces (\x00..\x20) around the filename:
543 
		$name = trim($this->basename(stripslashes($name)), ".\x00..\x20");
544 
		// Use a timestamp for empty filenames:
2130 lars 545 
		if (!$name) {
2121 lars 546 
			$name = str_replace('.', '-', microtime(true));
547 
		}
548 
		return $name;
549 
	}
550 
 
551 
	protected function get_file_name($file_path, $name, $size, $type, $error, $index,
552 
		$content_range)
553 
	{
554 
		$name = $this->trim_file_name($file_path, $name, $size, $type, $error, $index, $content_range);
555 
		return $this->get_unique_filename($file_path, $this->fix_file_extension($file_path,
556 
			$name, $size, $type, $error, $index, $content_range), $size, $type, $error, $index,
557 
			$content_range);
558 
	}
559 
 
560 
	protected function get_scaled_image_file_paths($file_name, $version)
561 
	{
562 
		$file_path = $this->get_upload_path($file_name);
2130 lars 563 
		if (!empty($version)) {
2121 lars 564 
			$version_dir = $this->get_upload_path(null, $version);
2130 lars 565 
			if (!is_dir($version_dir)) {
2121 lars 566 
				mkdir($version_dir, $this->options['mkdir_mode'], true);
567 
			}
568 
			$new_file_path = $version_dir . '/' . $file_name;
2130 lars 569 
		} else {
2121 lars 570 
			$new_file_path = $file_path;
571 
		}
572 
		return array($file_path, $new_file_path);
573 
	}
574 
 
575 
	protected function gd_get_image_object($file_path, $func, $no_cache = false)
576 
	{
2130 lars 577 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 578 
			$this->gd_destroy_image_object($file_path);
579 
			$this->image_objects[$file_path] = $func($file_path);
580 
		}
581 
		return $this->image_objects[$file_path];
582 
	}
583 
 
584 
	protected function gd_set_image_object($file_path, $image)
585 
	{
586 
		$this->gd_destroy_image_object($file_path);
587 
		$this->image_objects[$file_path] = $image;
588 
	}
589 
 
590 
	protected function gd_destroy_image_object($file_path)
591 
	{
592 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
593 
		return $image && imagedestroy($image);
594 
	}
595 
 
596 
	protected function gd_imageflip($image, $mode)
597 
	{
2130 lars 598 
		if (function_exists('imageflip')) {
2121 lars 599 
			return imageflip($image, $mode);
600 
		}
601 
		$new_width = $src_width = imagesx($image);
602 
		$new_height = $src_height = imagesy($image);
603 
		$new_img = imagecreatetruecolor($new_width, $new_height);
604 
		$src_x = 0;
605 
		$src_y = 0;
2130 lars 606 
		switch ($mode) {
2121 lars 607 
			case '1': // flip on the horizontal axis
608 
				$src_y = $new_height - 1;
609 
				$src_height = -$new_height;
610 
				break;
611 
			case '2': // flip on the vertical axis
612 
				$src_x = $new_width - 1;
613 
				$src_width = -$new_width;
614 
				break;
615 
			case '3': // flip on both axes
616 
				$src_y = $new_height - 1;
617 
				$src_height = -$new_height;
618 
				$src_x = $new_width - 1;
619 
				$src_width = -$new_width;
620 
				break;
621 
			default:
622 
				return $image;
623 
		}
624 
		imagecopyresampled($new_img, $image, 0, 0, $src_x, $src_y, $new_width, $new_height,
625 
			$src_width, $src_height);
626 
		return $new_img;
627 
	}
628 
 
629 
	protected function gd_orient_image($file_path, $src_img)
630 
	{
2130 lars 631 
		if (!function_exists('exif_read_data')) {
2121 lars 632 
			return false;
633 
		}
634 
		$exif = @exif_read_data($file_path);
2130 lars 635 
		if ($exif === false) {
2121 lars 636 
			return false;
637 
		}
638 
		$orientation = (int)@$exif['Orientation'];
2130 lars 639 
		if ($orientation < 2 || $orientation > 8) {
2121 lars 640 
			return false;
641 
		}
2130 lars 642 
		switch ($orientation) {
2121 lars 643 
			case 2:
644 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
645 
					IMG_FLIP_VERTICAL : 2);
646 
				break;
647 
			case 3:
648 
				$new_img = imagerotate($src_img, 180, 0);
649 
				break;
650 
			case 4:
651 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
652 
					IMG_FLIP_HORIZONTAL : 1);
653 
				break;
654 
			case 5:
655 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
656 
					IMG_FLIP_HORIZONTAL : 1);
657 
				$new_img = imagerotate($tmp_img, 270, 0);
658 
				imagedestroy($tmp_img);
659 
				break;
660 
			case 6:
661 
				$new_img = imagerotate($src_img, 270, 0);
662 
				break;
663 
			case 7:
664 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
665 
					IMG_FLIP_VERTICAL : 2);
666 
				$new_img = imagerotate($tmp_img, 270, 0);
667 
				imagedestroy($tmp_img);
668 
				break;
669 
			case 8:
670 
				$new_img = imagerotate($src_img, 90, 0);
671 
				break;
672 
			default:
673 
				return false;
674 
		}
675 
		$this->gd_set_image_object($file_path, $new_img);
676 
		return true;
677 
	}
678 
 
679 
	protected function gd_create_scaled_image($file_name, $version, $options)
680 
	{
2130 lars 681 
		if (!function_exists('imagecreatetruecolor')) {
2121 lars 682 
			error_log('Function not found: imagecreatetruecolor');
683 
			return false;
684 
		}
685 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
686 
			$version);
687 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 688 
		switch ($type) {
2121 lars 689 
			case 'jpg':
690 
			case 'jpeg':
691 
				$src_func = 'imagecreatefromjpeg';
692 
				$write_func = 'imagejpeg';
693 
				$image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75;
694 
				break;
695 
			case 'gif':
696 
				$src_func = 'imagecreatefromgif';
697 
				$write_func = 'imagegif';
698 
				$image_quality = null;
699 
				break;
700 
			case 'png':
701 
				$src_func = 'imagecreatefrompng';
702 
				$write_func = 'imagepng';
703 
				$image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9;
704 
				break;
705 
			default:
706 
				return false;
707 
		}
708 
		$src_img = $this->gd_get_image_object($file_path, $src_func, !empty($options['no_cache']));
709 
		$image_oriented = false;
2130 lars 710 
		if (!empty($options['auto_orient']) && $this->gd_orient_image($file_path, $src_img)) {
2121 lars 711 
			$image_oriented = true;
712 
			$src_img = $this->gd_get_image_object($file_path, $src_func);
713 
		}
714 
		$max_width = $img_width = imagesx($src_img);
715 
		$max_height = $img_height = imagesy($src_img);
2130 lars 716 
		if (!empty($options['max_width'])) {
2121 lars 717 
			$max_width = $options['max_width'];
718 
		}
2130 lars 719 
		if (!empty($options['max_height'])) {
2121 lars 720 
			$max_height = $options['max_height'];
721 
		}
722 
		$scale = min($max_width / $img_width, $max_height / $img_height);
2130 lars 723 
		if ($scale >= 1) {
724 
			if ($image_oriented) {
2121 lars 725 
				return $write_func($src_img, $new_file_path, $image_quality);
726 
			}
2130 lars 727 
			if ($file_path !== $new_file_path) {
2121 lars 728 
				return copy($file_path, $new_file_path);
729 
			}
730 
			return true;
731 
		}
2130 lars 732 
		if (empty($options['crop'])) {
2121 lars 733 
			$new_width = $img_width * $scale;
734 
			$new_height = $img_height * $scale;
735 
			$dst_x = 0;
736 
			$dst_y = 0;
737 
			$new_img = imagecreatetruecolor($new_width, $new_height);
2130 lars 738 
		} else {
739 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 740 
				$new_width = $img_width / ($img_height / $max_height);
741 
				$new_height = $max_height;
2130 lars 742 
			} else {
2121 lars 743 
				$new_width = $max_width;
744 
				$new_height = $img_height / ($img_width / $max_width);
745 
			}
746 
			$dst_x = 0 - ($new_width - $max_width) / 2;
747 
			$dst_y = 0 - ($new_height - $max_height) / 2;
748 
			$new_img = imagecreatetruecolor($max_width, $max_height);
749 
		}
750 
		// Handle transparency in GIF and PNG images:
2130 lars 751 
		switch ($type) {
2121 lars 752 
			case 'gif':
753 
			case 'png':
754 
				imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
755 
			case 'png':
756 
				imagealphablending($new_img, false);
757 
				imagesavealpha($new_img, true);
758 
				break;
759 
		}
760 
		$success = imagecopyresampled($new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width,
761 
			$new_height, $img_width, $img_height) && $write_func($new_img, $new_file_path, $image_quality);
762 
		$this->gd_set_image_object($file_path, $new_img);
763 
		return $success;
764 
	}
765 
 
766 
	protected function imagick_get_image_object($file_path, $no_cache = false)
767 
	{
2130 lars 768 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 769 
			$this->imagick_destroy_image_object($file_path);
770 
			$image = new \Imagick();
2130 lars 771 
			if (!empty($this->options['imagick_resource_limits'])) {
772 
				foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
2121 lars 773 
					$image->setResourceLimit($type, $limit);
774 
				}
775 
			}
776 
			$image->readImage($file_path);
777 
			$this->image_objects[$file_path] = $image;
778 
		}
779 
		return $this->image_objects[$file_path];
780 
	}
781 
 
782 
	protected function imagick_set_image_object($file_path, $image)
783 
	{
784 
		$this->imagick_destroy_image_object($file_path);
785 
		$this->image_objects[$file_path] = $image;
786 
	}
787 
 
788 
	protected function imagick_destroy_image_object($file_path)
789 
	{
790 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
791 
		return $image && $image->destroy();
792 
	}
793 
 
794 
	protected function imagick_orient_image($image)
795 
	{
796 
		$orientation = $image->getImageOrientation();
797 
		$background = new \ImagickPixel('none');
2130 lars 798 
		switch ($orientation) {
2121 lars 799 
			case \imagick::ORIENTATION_TOPRIGHT: // 2
800 
				$image->flopImage(); // horizontal flop around y-axis
801 
				break;
802 
			case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
803 
				$image->rotateImage($background, 180);
804 
				break;
805 
			case \imagick::ORIENTATION_BOTTOMLEFT: // 4
806 
				$image->flipImage(); // vertical flip around x-axis
807 
				break;
808 
			case \imagick::ORIENTATION_LEFTTOP: // 5
809 
				$image->flopImage(); // horizontal flop around y-axis
810 
				$image->rotateImage($background, 270);
811 
				break;
812 
			case \imagick::ORIENTATION_RIGHTTOP: // 6
813 
				$image->rotateImage($background, 90);
814 
				break;
815 
			case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
816 
				$image->flipImage(); // vertical flip around x-axis
817 
				$image->rotateImage($background, 270);
818 
				break;
819 
			case \imagick::ORIENTATION_LEFTBOTTOM: // 8
820 
				$image->rotateImage($background, 270);
821 
				break;
822 
			default:
823 
				return false;
824 
		}
825 
		$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1
826 
		return true;
827 
	}
828 
 
829 
	protected function imagick_create_scaled_image($file_name, $version, $options)
830 
	{
831 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
832 
			$version);
833 
		$image = $this->imagick_get_image_object($file_path, !empty($options['crop']) ||
834 
			!empty($options['no_cache']));
2130 lars 835 
		if ($image->getImageFormat() === 'GIF') {
2121 lars 836 
			// Handle animated GIFs:
837 
			$images = $image->coalesceImages();
2130 lars 838 
			foreach ($images as $frame) {
2121 lars 839 
				$image = $frame;
840 
				$this->imagick_set_image_object($file_name, $image);
841 
				break;
842 
			}
843 
		}
844 
		$image_oriented = false;
2130 lars 845 
		if (!empty($options['auto_orient'])) {
2121 lars 846 
			$image_oriented = $this->imagick_orient_image($image);
847 
		}
848 
		$new_width = $max_width = $img_width = $image->getImageWidth();
849 
		$new_height = $max_height = $img_height = $image->getImageHeight();
2130 lars 850 
		if (!empty($options['max_width'])) {
2121 lars 851 
			$new_width = $max_width = $options['max_width'];
852 
		}
2130 lars 853 
		if (!empty($options['max_height'])) {
2121 lars 854 
			$new_height = $max_height = $options['max_height'];
855 
		}
856 
		$image_strip = false;
2130 lars 857 
		if (!empty($options["strip"])) {
2121 lars 858 
			$image_strip = $options["strip"];
859 
		}
860 
		if (!$image_oriented && ($max_width >= $img_width) && ($max_height >= $img_height) &&
2130 lars 861 
			!$image_strip && empty($options["jpeg_quality"])) {
862 
			if ($file_path !== $new_file_path) {
2121 lars 863 
				return copy($file_path, $new_file_path);
864 
			}
865 
			return true;
866 
		}
867 
		$crop = !empty($options['crop']);
2130 lars 868 
		if ($crop) {
2121 lars 869 
			$x = 0;
870 
			$y = 0;
2130 lars 871 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 872 
				$new_width = 0; // Enables proportional scaling based on max_height
873 
				$x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
2130 lars 874 
			} else {
2121 lars 875 
				$new_height = 0; // Enables proportional scaling based on max_width
876 
				$y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
877 
			}
878 
		}
879 
		$success = $image->resizeImage($new_width, $new_height, isset($options['filter']) ?
880 
			$options['filter'] : \imagick::FILTER_LANCZOS, isset($options['blur']) ? $options['blur'] :
881 
			1, $new_width && $new_height // fit image into constraints if not to be cropped
882 
			);
2130 lars 883 
		if ($success && $crop) {
2121 lars 884 
			$success = $image->cropImage($max_width, $max_height, $x, $y);
2130 lars 885 
			if ($success) {
2121 lars 886 
				$success = $image->setImagePage($max_width, $max_height, 0, 0);
887 
			}
888 
		}
889 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 890 
		switch ($type) {
2121 lars 891 
			case 'jpg':
892 
			case 'jpeg':
2130 lars 893 
				if (!empty($options['jpeg_quality'])) {
2121 lars 894 
					$image->setImageCompression(\imagick::COMPRESSION_JPEG);
895 
					$image->setImageCompressionQuality($options['jpeg_quality']);
896 
				}
897 
				break;
898 
		}
2130 lars 899 
		if ($image_strip) {
2121 lars 900 
			$image->stripImage();
901 
		}
902 
		return $success && $image->writeImage($new_file_path);
903 
	}
904 
 
905 
	protected function imagemagick_create_scaled_image($file_name, $version, $options)
906 
	{
907 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
908 
			$version);
909 
		$resize = @$options['max_width'] . (empty($options['max_height']) ? '' : 'X' . $options['max_height']);
2130 lars 910 
		if (!$resize && empty($options['auto_orient'])) {
911 
			if ($file_path !== $new_file_path) {
2121 lars 912 
				return copy($file_path, $new_file_path);
913 
			}
914 
			return true;
915 
		}
916 
		$cmd = $this->options['convert_bin'];
2130 lars 917 
		if (!empty($this->options['convert_params'])) {
2121 lars 918 
			$cmd .= ' ' . $this->options['convert_params'];
919 
		}
920 
		$cmd .= ' ' . escapeshellarg($file_path);
2130 lars 921 
		if (!empty($options['auto_orient'])) {
2121 lars 922 
			$cmd .= ' -auto-orient';
923 
		}
2130 lars 924 
		if ($resize) {
2121 lars 925 
			// Handle animated GIFs:
926 
			$cmd .= ' -coalesce';
2130 lars 927 
			if (empty($options['crop'])) {
2121 lars 928 
				$cmd .= ' -resize ' . escapeshellarg($resize . '>');
2130 lars 929 
			} else {
2121 lars 930 
				$cmd .= ' -resize ' . escapeshellarg($resize . '^');
931 
				$cmd .= ' -gravity center';
932 
				$cmd .= ' -crop ' . escapeshellarg($resize . '+0+0');
933 
			}
934 
			// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
935 
			$cmd .= ' +repage';
936 
		}
2130 lars 937 
		if (!empty($options['convert_params'])) {
2121 lars 938 
			$cmd .= ' ' . $options['convert_params'];
939 
		}
940 
		$cmd .= ' ' . escapeshellarg($new_file_path);
941 
		exec($cmd, $output, $error);
2130 lars 942 
		if ($error) {
2121 lars 943 
			error_log(implode('\n', $output));
944 
			return false;
945 
		}
946 
		return true;
947 
	}
948 
 
949 
	protected function get_image_size($file_path)
950 
	{
2130 lars 951 
		if ($this->options['image_library']) {
952 
			if (extension_loaded('imagick')) {
2121 lars 953 
				$image = new \Imagick();
2130 lars 954 
				try {
955 
					if (@$image->pingImage($file_path)) {
2121 lars 956 
						$dimensions = array($image->getImageWidth(), $image->getImageHeight());
957 
						$image->destroy();
958 
						return $dimensions;
959 
					}
960 
					return false;
961 
				}
2130 lars 962 
				catch (\Exception $e) {
2121 lars 963 
					error_log($e->getMessage());
964 
				}
965 
			}
2130 lars 966 
			if ($this->options['image_library'] === 2) {
2121 lars 967 
				$cmd = $this->options['identify_bin'];
968 
				$cmd .= ' -ping ' . escapeshellarg($file_path);
969 
				exec($cmd, $output, $error);
2130 lars 970 
				if (!$error && !empty($output)) {
2121 lars 971 
					// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
972 
					$infos = preg_split('/\s+/', substr($output[0], strlen($file_path)));
973 
					$dimensions = preg_split('/x/', $infos[2]);
974 
					return $dimensions;
975 
				}
976 
				return false;
977 
			}
978 
		}
2130 lars 979 
		if (!function_exists('getimagesize')) {
2121 lars 980 
			error_log('Function not found: getimagesize');
981 
			return false;
982 
		}
983 
		return @getimagesize($file_path);
984 
	}
985 
 
986 
	protected function create_scaled_image($file_name, $version, $options)
987 
	{
2130 lars 988 
		if ($this->options['image_library'] === 2) {
2121 lars 989 
			return $this->imagemagick_create_scaled_image($file_name, $version, $options);
990 
		}
2130 lars 991 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 992 
			return $this->imagick_create_scaled_image($file_name, $version, $options);
993 
		}
994 
		return $this->gd_create_scaled_image($file_name, $version, $options);
995 
	}
996 
 
997 
	protected function destroy_image_object($file_path)
998 
	{
2130 lars 999 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 1000 
			return $this->imagick_destroy_image_object($file_path);
1001 
		}
1002 
	}
1003 
 
1004 
	protected function is_valid_image_file($file_path)
1005 
	{
2130 lars 1006 
		if (!preg_match($this->options['image_file_types'], $file_path)) {
2121 lars 1007 
			return false;
1008 
		}
2130 lars 1009 
		if (function_exists('exif_imagetype')) {
2121 lars 1010 
			return @exif_imagetype($file_path);
1011 
		}
1012 
		$image_info = $this->get_image_size($file_path);
1013 
		return $image_info && $image_info[0] && $image_info[1];
1014 
	}
1015 
 
1016 
	protected function handle_image_file($file_path, $file)
1017 
	{
1018 
		$failed_versions = array();
2130 lars 1019 
		foreach ($this->options['image_versions'] as $version => $options) {
1020 
			if ($this->create_scaled_image($file->name, $version, $options)) {
1021 
				if (!empty($version)) {
2121 lars 1022 
					$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
2130 lars 1023 
				} else {
2121 lars 1024 
					$file->size = $this->get_file_size($file_path, true);
1025 
				}
2130 lars 1026 
			} else {
2121 lars 1027 
				$failed_versions[] = $version ? $version : 'original';
1028 
			}
1029 
		}
2130 lars 1030 
		if (count($failed_versions)) {
2121 lars 1031 
			$file->error = $this->get_error_message('image_resize') . ' (' . implode($failed_versions,
1032 
				', ') . ')';
1033 
		}
1034 
		// Free memory:
1035 
		$this->destroy_image_object($file_path);
1036 
	}
1037 
 
1038 
	protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
1039 
		$index = null, $content_range = null)
1040 
	{
1041 
		$file = new \stdClass();
1042 
		$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
1043 
			$index, $content_range);
1044 
		$file->size = $this->fix_integer_overflow((int)$size);
1045 
		$file->type = $type;
2130 lars 1046 
		if ($this->validate($uploaded_file, $file, $error, $index)) {
2121 lars 1047 
			$this->handle_form_data($file, $index);
1048 
			$upload_dir = $this->get_upload_path();
2130 lars 1049 
			if (!is_dir($upload_dir)) {
2121 lars 1050 
				mkdir($upload_dir, $this->options['mkdir_mode'], true);
1051 
			}
1052 
			$file_path = $this->get_upload_path($file->name);
1053 
			$append_file = $content_range && is_file($file_path) && $file->size > $this->
1054 
				get_file_size($file_path);
2130 lars 1055 
			if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 1056 
				// multipart/formdata uploads (POST method uploads)
2130 lars 1057 
				if ($append_file) {
2121 lars 1058 
					file_put_contents($file_path, fopen($uploaded_file, 'r'), FILE_APPEND);
2130 lars 1059 
				} else {
2121 lars 1060 
					move_uploaded_file($uploaded_file, $file_path);
1061 
				}
2130 lars 1062 
			} else {
2121 lars 1063 
				// Non-multipart uploads (PUT method support)
1064 
				file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ?
1065 
					FILE_APPEND : 0);
1066 
			}
1067 
			$file_size = $this->get_file_size($file_path, $append_file);
2130 lars 1068 
			$videos = array(
1069 
				"wmf",
1070 
				"flv",
1071 
				"swf",
1072 
				);
1073 
			$docs = array(
1074 
				"pdf",
1075 
				"doc",
1076 
				"docx",
1077 
				"xls",
1078 
				"xlsx",
1079 
				);
1080 
			if ($file_size === $file->size) {
2121 lars 1081 
				$file->url = $this->get_download_url($file->name);
2130 lars 1082 
				if ($this->is_valid_image_file($file_path)) {
2121 lars 1083 
					$this->handle_image_file($file_path, $file);
1084 
				}
2130 lars 1085 
				$mt = mime_content_type($file_path);
1086 
				$info = pathinfo($file_path);
1087 
				$ext = strtolower($info["extension"]);
1088 
				$typ = 4;
1089 
				if (substr($mt, 0, 5) == "image") {
1090 
					$typ = 1;
1091 
					foreach ($this->options['image_versions'] as $version => $options) {
1092 
						if ($this->create_scaled_image($fName, $options)) {
1093 
							$file->{$version . '_url'} = $options['upload_url'] . $fName;
1094 
						}
1095 
					}
1096 
				} elseif (in_array($ext, $docs)) {
1097 
					$typ = 2;
1098 
				} elseif (in_array($ext, $videos)) {
1099 
					$typ = 3;
1100 
				}
1101 
				$f = $GLOBALS["folder"];
1102 
				$sql = "INSERT INTO
1103 
                        medien
1104 
                    SET
1105 
                        name='" . $fName . "',
1106 
                        folder='" . $f . "',
1107 
                        erstellt_am=UNIX_TIMESTAMP(),
1108 
                        erstellt_von='" . $_SERVER["PHP_AUTH_USER"] . "',
1109 
                        typ=" . $typ . "
1110 
                ";
1111 
				$this->db->query($sql);
1112 
			} else {
2121 lars 1113 
				$file->size = $file_size;
2130 lars 1114 
				if (!$content_range && $this->options['discard_aborted_uploads']) {
2121 lars 1115 
					unlink($file_path);
1116 
					$file->error = $this->get_error_message('abort');
1117 
				}
1118 
			}
1119 
			$this->set_additional_file_properties($file);
1120 
		}
1121 
		return $file;
1122 
	}
1123 
 
1124 
	protected function readfile($file_path)
1125 
	{
1126 
		$file_size = $this->get_file_size($file_path);
1127 
		$chunk_size = $this->options['readfile_chunk_size'];
2130 lars 1128 
		if ($chunk_size && $file_size > $chunk_size) {
2121 lars 1129 
			$handle = fopen($file_path, 'rb');
2130 lars 1130 
			while (!feof($handle)) {
2121 lars 1131 
				echo fread($handle, $chunk_size);
1132 
				@ob_flush();
1133 
				@flush();
1134 
			}
1135 
			fclose($handle);
1136 
			return $file_size;
1137 
		}
1138 
		return readfile($file_path);
1139 
	}
1140 
 
1141 
	protected function body($str)
1142 
	{
1143 
		echo $str;
1144 
	}
1145 
 
1146 
	protected function header($str)
1147 
	{
1148 
		header($str);
1149 
	}
1150 
 
1151 
	protected function get_upload_data($id)
1152 
	{
1153 
		return @$_FILES[$id];
1154 
	}
1155 
 
1156 
	protected function get_post_param($id)
1157 
	{
1158 
		return @$_POST[$id];
1159 
	}
1160 
 
1161 
	protected function get_query_param($id)
1162 
	{
1163 
		return @$_GET[$id];
1164 
	}
1165 
 
1166 
	protected function get_server_var($id)
1167 
	{
1168 
		return @$_SERVER[$id];
1169 
	}
1170 
 
1171 
	protected function handle_form_data($file, $index)
1172 
	{
1173 
		// Handle form data, e.g. $_POST['description'][$index]
1174 
	}
1175 
 
1176 
	protected function get_version_param()
1177 
	{
1178 
		return $this->basename(stripslashes($this->get_query_param('version')));
1179 
	}
1180 
 
1181 
	protected function get_singular_param_name()
1182 
	{
1183 
		return substr($this->options['param_name'], 0, -1);
1184 
	}
1185 
 
1186 
	protected function get_file_name_param()
1187 
	{
1188 
		$name = $this->get_singular_param_name();
1189 
		return $this->basename(stripslashes($this->get_query_param($name)));
1190 
	}
1191 
 
1192 
	protected function get_file_names_params()
1193 
	{
1194 
		$params = $this->get_query_param($this->options['param_name']);
2130 lars 1195 
		if (!$params) {
2121 lars 1196 
			return null;
1197 
		}
2130 lars 1198 
		foreach ($params as $key => $value) {
2121 lars 1199 
			$params[$key] = $this->basename(stripslashes($value));
1200 
		}
1201 
		return $params;
1202 
	}
1203 
 
1204 
	protected function get_file_type($file_path)
1205 
	{
2130 lars 1206 
		switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
2121 lars 1207 
			case 'jpeg':
1208 
			case 'jpg':
1209 
				return 'image/jpeg';
1210 
			case 'png':
1211 
				return 'image/png';
1212 
			case 'gif':
1213 
				return 'image/gif';
2130 lars 1214 
			case 'svg':
1215 
				return 'image/svg';
2121 lars 1216 
			default:
1217 
				return '';
1218 
		}
1219 
	}
1220 
 
1221 
	protected function download()
1222 
	{
2130 lars 1223 
		switch ($this->options['download_via_php']) {
2121 lars 1224 
			case 1:
1225 
				$redirect_header = null;
1226 
				break;
1227 
			case 2:
1228 
				$redirect_header = 'X-Sendfile';
1229 
				break;
1230 
			case 3:
1231 
				$redirect_header = 'X-Accel-Redirect';
1232 
				break;
1233 
			default:
1234 
				return $this->header('HTTP/1.1 403 Forbidden');
1235 
		}
1236 
		$file_name = $this->get_file_name_param();
2130 lars 1237 
		if (!$this->is_valid_file_object($file_name)) {
2121 lars 1238 
			return $this->header('HTTP/1.1 404 Not Found');
1239 
		}
2130 lars 1240 
		if ($redirect_header) {
2121 lars 1241 
			return $this->header($redirect_header . ': ' . $this->get_download_url($file_name,
1242 
				$this->get_version_param(), true));
1243 
		}
1244 
		$file_path = $this->get_upload_path($file_name, $this->get_version_param());
1245 
		// Prevent browsers from MIME-sniffing the content-type:
1246 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1247 
		if (!preg_match($this->options['inline_file_types'], $file_name)) {
2121 lars 1248 
			$this->header('Content-Type: application/octet-stream');
1249 
			$this->header('Content-Disposition: attachment; filename="' . $file_name . '"');
2130 lars 1250 
		} else {
2121 lars 1251 
			$this->header('Content-Type: ' . $this->get_file_type($file_path));
1252 
			$this->header('Content-Disposition: inline; filename="' . $file_name . '"');
1253 
		}
1254 
		$this->header('Content-Length: ' . $this->get_file_size($file_path));
1255 
		$this->header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', filemtime($file_path)));
1256 
		$this->readfile($file_path);
1257 
	}
1258 
 
1259 
	protected function send_content_type_header()
1260 
	{
1261 
		$this->header('Vary: Accept');
2130 lars 1262 
		if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
2121 lars 1263 
			$this->header('Content-type: application/json');
2130 lars 1264 
		} else {
2121 lars 1265 
			$this->header('Content-type: text/plain');
1266 
		}
1267 
	}
1268 
 
1269 
	protected function send_access_control_headers()
1270 
	{
1271 
		$this->header('Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin']);
1272 
		$this->header('Access-Control-Allow-Credentials: ' . ($this->options['access_control_allow_credentials'] ?
1273 
			'true' : 'false'));
1274 
		$this->header('Access-Control-Allow-Methods: ' . implode(', ', $this->options['access_control_allow_methods']));
1275 
		$this->header('Access-Control-Allow-Headers: ' . implode(', ', $this->options['access_control_allow_headers']));
1276 
	}
1277 
 
1278 
	public function generate_response($content, $print_response = true)
1279 
	{
1280 
		$this->response = $content;
2130 lars 1281 
		if ($print_response) {
2121 lars 1282 
			$json = json_encode($content);
1283 
			$redirect = stripslashes($this->get_post_param('redirect'));
2130 lars 1284 
			if ($redirect && preg_match($this->options['redirect_allow_target'], $redirect)) {
2121 lars 1285 
				$this->header('Location: ' . sprintf($redirect, rawurlencode($json)));
1286 
				return;
1287 
			}
1288 
			$this->head();
2130 lars 1289 
			if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
2121 lars 1290 
				$files = isset($content[$this->options['param_name']]) ? $content[$this->
1291 
					options['param_name']] : null;
2130 lars 1292 
				if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
2121 lars 1293 
					$this->header('Range: 0-' . ($this->fix_integer_overflow((int)$files[0]->size) -
1294 
						1));
1295 
				}
1296 
			}
1297 
			$this->body($json);
1298 
		}
1299 
		return $content;
1300 
	}
1301 
 
1302 
	public function get_response()
1303 
	{
1304 
		return $this->response;
1305 
	}
1306 
 
1307 
	public function head()
1308 
	{
1309 
		$this->header('Pragma: no-cache');
1310 
		$this->header('Cache-Control: no-store, no-cache, must-revalidate');
1311 
		$this->header('Content-Disposition: inline; filename="files.json"');
1312 
		// Prevent Internet Explorer from MIME-sniffing the content-type:
1313 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1314 
		if ($this->options['access_control_allow_origin']) {
2121 lars 1315 
			$this->send_access_control_headers();
1316 
		}
1317 
		$this->send_content_type_header();
1318 
	}
1319 
 
1320 
	public function get($print_response = true)
1321 
	{
2130 lars 1322 
		if ($print_response && $this->get_query_param('download')) {
2121 lars 1323 
			return $this->download();
1324 
		}
1325 
		$file_name = $this->get_file_name_param();
2130 lars 1326 
		if ($file_name) {
2121 lars 1327 
			$response = array($this->get_singular_param_name() => $this->get_file_object($file_name));
2130 lars 1328 
		} else {
2121 lars 1329 
			$response = array($this->options['param_name'] => $this->get_file_objects());
1330 
		}
1331 
		return $this->generate_response($response, $print_response);
1332 
	}
1333 
 
1334 
	public function post($print_response = true)
1335 
	{
2130 lars 1336 
		if ($this->get_query_param('_method') === 'DELETE') {
2121 lars 1337 
			return $this->delete($print_response);
1338 
		}
1339 
		$upload = $this->get_upload_data($this->options['param_name']);
1340 
		// Parse the Content-Disposition header, if available:
1341 
		$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION');
1342 
		$file_name = $content_disposition_header ? rawurldecode(preg_replace('/(^[^"]+")|("$)/',
1343 
			'', $content_disposition_header)) : null;
1344 
		// Parse the Content-Range header, which has the following form:
1345 
		// Content-Range: bytes 0-524287/2000000
1346 
		$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE');
1347 
		$content_range = $content_range_header ? preg_split('/[^0-9]+/', $content_range_header) : null;
1348 
		$size = $content_range ? $content_range[3] : null;
1349 
		$files = array();
2130 lars 1350 
		if ($upload) {
1351 
			if (is_array($upload['tmp_name'])) {
2121 lars 1352 
				// param_name is an array identifier like "files[]",
1353 
				// $upload is a multi-dimensional array:
2130 lars 1354 
				foreach ($upload['tmp_name'] as $index => $value) {
2121 lars 1355 
					$files[] = $this->handle_file_upload($upload['tmp_name'][$index], $file_name ? $file_name :
1356 
						$upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index],
1357 
						$upload['error'][$index], $index, $content_range);
1358 
				}
2130 lars 1359 
			} else {
2121 lars 1360 
				// param_name is a single object identifier like "file",
1361 
				// $upload is a one-dimensional array:
1362 
				$files[] = $this->handle_file_upload(isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
1363 
					$file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ?
1364 
					$size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
1365 
					isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
1366 
					isset($upload['error']) ? $upload['error'] : null, null, $content_range);
1367 
			}
1368 
		}
1369 
		$response = array($this->options['param_name'] => $files);
1370 
		return $this->generate_response($response, $print_response);
1371 
	}
1372 
 
1373 
	public function delete($print_response = true)
1374 
	{
1375 
		$file_names = $this->get_file_names_params();
2130 lars 1376 
		if (empty($file_names)) {
2121 lars 1377 
			$file_names = array($this->get_file_name_param());
1378 
		}
1379 
		$response = array();
2130 lars 1380 
		foreach ($file_names as $file_name) {
2121 lars 1381 
			$file_path = $this->get_upload_path($file_name);
1382 
			$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
2130 lars 1383 
			if ($success) {
1384 
				foreach ($this->options['image_versions'] as $version => $options) {
1385 
					if (!empty($version)) {
2121 lars 1386 
						$file = $this->get_upload_path($file_name, $version);
2130 lars 1387 
						if (is_file($file)) {
2121 lars 1388 
							unlink($file);
1389 
						}
1390 
					}
1391 
				}
1392 
			}
1393 
			$response[$file_name] = $success;
1394 
		}
1395 
		return $this->generate_response($response, $print_response);
1396 
	}
1397 
 
1398 
	protected function basename($filepath, $suffix = null)
1399 
	{
1400 
		$splited = preg_split('/\//', rtrim($filepath, '/ '));
1401 
		return substr(basename('X' . $splited[count($splited) - 1], $suffix), 1);
1402 
	}
1403 
}