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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"]) {
2135 lars 26 
	$folder = $_POST["folder"];
2130 lars 27 
} elseif (isset($_GET["folder"]) && $_GET["folder"]) {
2135 lars 28 
	$folder = $_GET["folder"];
2121 lars 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 
	{
2132 lars 91 
		$GLOBALS["ci"] = &get_instance();
2128 lars 92 
		$real_url = getDokDomain();
2135 lars 93 
		$real_url .= "/images/upload/" . $GLOBALS["folder"] . "/";
94 
		$real_folder = $GLOBALS["webs"]["verzeichnis"] . '/images/upload/' . $GLOBALS["folder"] .
95 
			"/";
2121 lars 96 
		$this->response = array();
97 
		$this->options = array(
98 
			'script_url' => $this->get_full_url() . '/' . $this->basename($this->
99 
				get_server_var('SCRIPT_NAME')),
2128 lars 100 
			'upload_dir' => $real_folder . "orig/",
101 
			'upload_url' => $real_url . "orig/",
2121 lars 102 
			'input_stream' => 'php://input',
103 
			'user_dirs' => false,
104 
			'mkdir_mode' => 0755,
105 
			'param_name' => 'files',
106 
			// Set the following option to 'POST', if your server does not support
107 
			// DELETE requests. This is a parameter sent to the client:
108 
			'delete_type' => 'DELETE',
109 
			'access_control_allow_origin' => '*',
110 
			'access_control_allow_credentials' => false,
111 
			'access_control_allow_methods' => array(
112 
				'OPTIONS',
113 
				'HEAD',
114 
				'GET',
115 
				'POST',
116 
				'PUT',
117 
				'PATCH',
2130 lars 118 
				'DELETE',
119 
				),
2121 lars 120 
			'access_control_allow_headers' => array(
121 
				'Content-Type',
122 
				'Content-Range',
2130 lars 123 
				'Content-Disposition',
124 
				),
2121 lars 125 
			// By default, allow redirects to the referer protocol+host:
126 
			'redirect_allow_target' => '/^' . preg_quote(parse_url($this->get_server_var('HTTP_REFERER'),
127 
				PHP_URL_SCHEME) . '://' . parse_url($this->get_server_var('HTTP_REFERER'),
128 
				PHP_URL_HOST) . '/', // Trailing slash to not match subdomains by mistake
129 
				'/' // preg_quote delimiter param
130 
				) . '/',
131 
			// Enable to provide file downloads via GET requests to the PHP script:
132 
			//     1. Set to 1 to download files via readfile method through PHP
133 
			//     2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
134 
			//     3. Set to 3 to send a X-Accel-Redirect header for nginx
135 
			// If set to 2 or 3, adjust the upload_url option to the base path of
136 
			// the redirect parameter, e.g. '/files/'.
137 
			'download_via_php' => false,
138 
			// Read files in chunks to avoid memory limits when download_via_php
139 
			// is enabled, set to 0 to disable chunked reading of files:
140 
			'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
141 
			// Defines which files can be displayed inline when downloaded:
2130 lars 142 
			'inline_file_types' => '/\.(gif|jpe?g|png|svg)$/i',
2121 lars 143 
			// Defines which files (based on their names) are accepted for upload:
144 
			'accept_file_types' => '/.+$/i',
145 
			// The php.ini settings upload_max_filesize and post_max_size
146 
			// take precedence over the following max_file_size setting:
147 
			'max_file_size' => null,
148 
			'min_file_size' => 1,
149 
			// The maximum number of files for the upload directory:
150 
			'max_number_of_files' => null,
151 
			// Defines which files are handled as image files:
152 
			'image_file_types' => '/\.(gif|jpe?g|png)$/i',
153 
			// Use exif_imagetype on all files to correct file extensions:
154 
			'correct_image_extensions' => false,
155 
			// Image resolution restrictions:
156 
			'max_width' => null,
157 
			'max_height' => null,
158 
			'min_width' => 1,
159 
			'min_height' => 1,
160 
			// Set the following option to false to enable resumable uploads:
161 
			'discard_aborted_uploads' => true,
162 
			// Set to 0 to use the GD library to scale and orient images,
163 
			// set to 1 to use imagick (if installed, falls back to GD),
164 
			// set to 2 to use the ImageMagick convert binary directly:
2140 lars 165 
			'image_library' => 0,
2121 lars 166 
			// Uncomment the following to define an array of resource limits
167 
			// for imagick:
168 
			/*
169 
			'imagick_resource_limits' => array(
170 
			imagick::RESOURCETYPE_MAP => 32,
171 
			imagick::RESOURCETYPE_MEMORY => 32
172 
			),
173 
			*/
174 
			// Command or path for to the ImageMagick convert binary:
175 
			'convert_bin' => 'convert',
176 
			// Uncomment the following to add parameters in front of each
177 
			// ImageMagick convert call (the limit constraints seem only
178 
			// to have an effect if put in front):
179 
			/*
180 
			'convert_params' => '-limit memory 32MiB -limit map 32MiB',
181 
			*/
182 
			// Command or path for to the ImageMagick identify binary:
183 
			'identify_bin' => 'identify',
2135 lars 184 
			'print_response' => true,
185 
			);
2130 lars 186 
		foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 187 
			$this->options["image_versions"][$set[0]] = array(
188 
				"upload_dir" => $real_folder . $set[1] . "/",
189 
				"upload_url" => $real_url . $set[1] . "/",
190 
				"max_width" => $set[2],
191 
				"max_height" => $set[3],
192 
				);
193 
		}
2130 lars 194 
		if ($options) {
2121 lars 195 
			$this->options = $options + $this->options;
196 
		}
2130 lars 197 
		if ($error_messages) {
2121 lars 198 
			$this->error_messages = $error_messages + $this->error_messages;
199 
		}
2130 lars 200 
		if ($initialize) {
2121 lars 201 
			$this->initialize();
202 
		}
2136 lars 203 
		trigger_error(var_export($this->options, true));
204 
		trigger_error(var_export($this->error_messages, true));
2121 lars 205 
	}
206 
 
207 
	protected function initialize()
208 
	{
2130 lars 209 
		switch ($this->get_server_var('REQUEST_METHOD')) {
2121 lars 210 
			case 'OPTIONS':
211 
			case 'HEAD':
212 
				$this->head();
213 
				break;
214 
			case 'GET':
215 
				$this->get($this->options['print_response']);
216 
				break;
217 
			case 'PATCH':
218 
			case 'PUT':
219 
			case 'POST':
220 
				$this->post($this->options['print_response']);
221 
				break;
222 
			case 'DELETE':
223 
				$this->delete($this->options['print_response']);
224 
				break;
225 
			default:
226 
				$this->header('HTTP/1.1 405 Method Not Allowed');
227 
		}
228 
	}
229 
 
230 
	protected function get_full_url()
231 
	{
232 
		$https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0 ||
233 
			!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_PROTO'],
234 
			'https') === 0;
235 
		return ($https ? 'https://' : 'http://') . (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] .
236 
			'@' : '') . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'] .
237 
			($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ?
238 
			'' : ':' . $_SERVER['SERVER_PORT']))) . substr($_SERVER['SCRIPT_NAME'], 0,
239 
			strrpos($_SERVER['SCRIPT_NAME'], '/'));
240 
	}
241 
 
242 
	protected function get_user_id()
243 
	{
244 
		@session_start();
245 
		return session_id();
246 
	}
247 
 
248 
	protected function get_user_path()
249 
	{
2130 lars 250 
		if ($this->options['user_dirs']) {
2121 lars 251 
			return $this->get_user_id() . '/';
252 
		}
253 
		return '';
254 
	}
255 
 
256 
	protected function get_upload_path($file_name = null, $version = null)
257 
	{
258 
		$file_name = $file_name ? $file_name : '';
2130 lars 259 
		if (empty($version)) {
2121 lars 260 
			$version_path = '';
2130 lars 261 
		} else {
2121 lars 262 
			$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
2130 lars 263 
			if ($version_dir) {
2121 lars 264 
				return $version_dir . $this->get_user_path() . $file_name;
265 
			}
266 
			$version_path = $version . '/';
267 
		}
268 
		return $this->options['upload_dir'] . $this->get_user_path() . $version_path . $file_name;
269 
	}
270 
 
271 
	protected function get_query_separator($url)
272 
	{
273 
		return strpos($url, '?') === false ? '?' : '&';
274 
	}
275 
 
276 
	protected function get_download_url($file_name, $version = null, $direct = false)
277 
	{
2130 lars 278 
		if (!$direct && $this->options['download_via_php']) {
2121 lars 279 
			$url = $this->options['script_url'] . $this->get_query_separator($this->options['script_url']) .
280 
				$this->get_singular_param_name() . '=' . rawurlencode($file_name);
2130 lars 281 
			if ($version) {
2121 lars 282 
				$url .= '&version=' . rawurlencode($version);
283 
			}
284 
			return $url . '&download=1';
285 
		}
2130 lars 286 
		if (empty($version)) {
2121 lars 287 
			$version_path = '';
2130 lars 288 
		} else {
2121 lars 289 
			$version_url = @$this->options['image_versions'][$version]['upload_url'];
2130 lars 290 
			if ($version_url) {
2121 lars 291 
				return $version_url . $this->get_user_path() . rawurlencode($file_name);
292 
			}
293 
			$version_path = rawurlencode($version) . '/';
294 
		}
295 
		return $this->options['upload_url'] . $this->get_user_path() . $version_path .
296 
			rawurlencode($file_name);
297 
	}
298 
 
299 
	protected function set_additional_file_properties($file)
300 
	{
301 
		$file->deleteUrl = $this->options['script_url'] . $this->get_query_separator($this->
302 
			options['script_url']) . $this->get_singular_param_name() . '=' . rawurlencode($file->
303 
			name);
304 
		$file->deleteType = $this->options['delete_type'];
2130 lars 305 
		if ($file->deleteType !== 'DELETE') {
2121 lars 306 
			$file->deleteUrl .= '&_method=DELETE';
307 
		}
2132 lars 308 
		trigger_error($file->deleteUrl);
2130 lars 309 
		if ($this->options['access_control_allow_credentials']) {
2121 lars 310 
			$file->deleteWithCredentials = true;
311 
		}
312 
	}
313 
 
314 
	// Fix for overflowing signed 32 bit integers,
315 
	// works for sizes up to 2^32-1 bytes (4 GiB - 1):
316 
	protected function fix_integer_overflow($size)
317 
	{
2130 lars 318 
		if ($size < 0) {
2121 lars 319 
			$size += 2.0 * (PHP_INT_MAX + 1);
320 
		}
321 
		return $size;
322 
	}
323 
 
324 
	protected function get_file_size($file_path, $clear_stat_cache = false)
325 
	{
2130 lars 326 
		if ($clear_stat_cache) {
327 
			if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
2121 lars 328 
				clearstatcache(true, $file_path);
2130 lars 329 
			} else {
2121 lars 330 
				clearstatcache();
331 
			}
332 
		}
333 
		return $this->fix_integer_overflow(filesize($file_path));
334 
	}
335 
 
336 
	protected function is_valid_file_object($file_name)
337 
	{
338 
		$file_path = $this->get_upload_path($file_name);
2130 lars 339 
		if (is_file($file_path) && $file_name[0] !== '.') {
2121 lars 340 
			return true;
341 
		}
342 
		return false;
343 
	}
344 
 
345 
	protected function get_file_object($file_name)
346 
	{
2130 lars 347 
		if ($this->is_valid_file_object($file_name)) {
2121 lars 348 
			$file = new \stdClass();
349 
			$file->name = $file_name;
350 
			$file->size = $this->get_file_size($this->get_upload_path($file_name));
351 
			$file->url = $this->get_download_url($file->name);
2130 lars 352 
			foreach ($this->options['image_versions'] as $version => $options) {
353 
				if (!empty($version)) {
354 
					if (is_file($this->get_upload_path($file_name, $version))) {
2121 lars 355 
						$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
356 
					}
357 
				}
358 
			}
359 
			$this->set_additional_file_properties($file);
360 
			return $file;
361 
		}
362 
		return null;
363 
	}
364 
 
365 
	protected function get_file_objects($iteration_method = 'get_file_object')
366 
	{
367 
		$upload_dir = $this->get_upload_path();
2130 lars 368 
		if (!is_dir($upload_dir)) {
2121 lars 369 
			return array();
370 
		}
371 
		return array_values(array_filter(array_map(array($this, $iteration_method),
372 
			scandir($upload_dir))));
373 
	}
374 
 
375 
	protected function count_file_objects()
376 
	{
377 
		return count($this->get_file_objects('is_valid_file_object'));
378 
	}
379 
 
380 
	protected function get_error_message($error)
381 
	{
382 
		return isset($this->error_messages[$error]) ? $this->error_messages[$error] : $error;
383 
	}
384 
 
385 
	public function get_config_bytes($val)
386 
	{
387 
		$val = trim($val);
388 
		$last = strtolower($val[strlen($val) - 1]);
389 
		$val = (int)$val;
2130 lars 390 
		switch ($last) {
2121 lars 391 
			case 'g':
392 
				$val *= 1024;
393 
			case 'm':
394 
				$val *= 1024;
395 
			case 'k':
396 
				$val *= 1024;
397 
		}
398 
		return $this->fix_integer_overflow($val);
399 
	}
400 
 
401 
	protected function validate($uploaded_file, $file, $error, $index)
402 
	{
2130 lars 403 
		if ($error) {
2121 lars 404 
			$file->error = $this->get_error_message($error);
405 
			return false;
406 
		}
407 
		$content_length = $this->fix_integer_overflow((int)$this->get_server_var('CONTENT_LENGTH'));
408 
		$post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
2130 lars 409 
		if ($post_max_size && ($content_length > $post_max_size)) {
2121 lars 410 
			$file->error = $this->get_error_message('post_max_size');
411 
			return false;
412 
		}
2130 lars 413 
		if (!preg_match($this->options['accept_file_types'], $file->name)) {
2121 lars 414 
			$file->error = $this->get_error_message('accept_file_types');
415 
			return false;
416 
		}
2130 lars 417 
		if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 418 
			$file_size = $this->get_file_size($uploaded_file);
2130 lars 419 
		} else {
2121 lars 420 
			$file_size = $content_length;
421 
		}
422 
		if ($this->options['max_file_size'] && ($file_size > $this->options['max_file_size'] ||
2130 lars 423 
			$file->size > $this->options['max_file_size'])) {
2121 lars 424 
			$file->error = $this->get_error_message('max_file_size');
425 
			return false;
426 
		}
2130 lars 427 
		if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) {
2121 lars 428 
			$file->error = $this->get_error_message('min_file_size');
429 
			return false;
430 
		}
431 
		if (is_int($this->options['max_number_of_files']) && ($this->count_file_objects
432 
			() >= $this->options['max_number_of_files']) &&
433 
			// Ignore additional chunks of existing files:
2130 lars 434 
			!is_file($this->get_upload_path($file->name))) {
2121 lars 435 
			$file->error = $this->get_error_message('max_number_of_files');
436 
			return false;
437 
		}
438 
		$max_width = @$this->options['max_width'];
439 
		$max_height = @$this->options['max_height'];
440 
		$min_width = @$this->options['min_width'];
441 
		$min_height = @$this->options['min_height'];
442 
		if (($max_width || $max_height || $min_width || $min_height) && preg_match($this->
2130 lars 443 
			options['image_file_types'], $file->name)) {
2121 lars 444 
			list($img_width, $img_height) = $this->get_image_size($uploaded_file);
445 
 
446 
			// If we are auto rotating the image by default, do the checks on
447 
			// the correct orientation
448 
			if (@$this->options['image_versions']['']['auto_orient'] && function_exists('exif_read_data') &&
2130 lars 449 
				($exif = @exif_read_data($uploaded_file)) && (((int)@$exif['Orientation']) >= 5)) {
2121 lars 450 
				$tmp = $img_width;
451 
				$img_width = $img_height;
452 
				$img_height = $tmp;
453 
				unset($tmp);
454 
			}
455 
 
456 
		}
2130 lars 457 
		if (!empty($img_width)) {
458 
			if ($max_width && $img_width > $max_width) {
2121 lars 459 
				$file->error = $this->get_error_message('max_width');
460 
				return false;
461 
			}
2130 lars 462 
			if ($max_height && $img_height > $max_height) {
2121 lars 463 
				$file->error = $this->get_error_message('max_height');
464 
				return false;
465 
			}
2130 lars 466 
			if ($min_width && $img_width < $min_width) {
2121 lars 467 
				$file->error = $this->get_error_message('min_width');
468 
				return false;
469 
			}
2130 lars 470 
			if ($min_height && $img_height < $min_height) {
2121 lars 471 
				$file->error = $this->get_error_message('min_height');
472 
				return false;
473 
			}
474 
		}
475 
		return true;
476 
	}
477 
 
478 
	protected function upcount_name_callback($matches)
479 
	{
480 
		$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1;
481 
		$ext = isset($matches[2]) ? $matches[2] : '';
482 
		return ' (' . $index . ')' . $ext;
483 
	}
484 
 
485 
	protected function upcount_name($name)
486 
	{
487 
		return preg_replace_callback('/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this,
488 
				'upcount_name_callback'), $name, 1);
489 
	}
490 
 
491 
	protected function get_unique_filename($file_path, $name, $size, $type, $error,
492 
		$index, $content_range)
493 
	{
2130 lars 494 
		while (is_dir($this->get_upload_path($name))) {
2121 lars 495 
			$name = $this->upcount_name($name);
496 
		}
497 
		// Keep an existing filename if this is part of a chunked upload:
498 
		$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]);
2130 lars 499 
		while (is_file($this->get_upload_path($name))) {
500 
			if ($uploaded_bytes === $this->get_file_size($this->get_upload_path($name))) {
2121 lars 501 
				break;
502 
			}
503 
			$name = $this->upcount_name($name);
504 
		}
505 
		return $name;
506 
	}
507 
 
508 
	protected function fix_file_extension($file_path, $name, $size, $type, $error, $index,
509 
		$content_range)
510 
	{
511 
		// Add missing file extension for known image types:
512 
		if (strpos($name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type,
2130 lars 513 
			$matches)) {
2121 lars 514 
			$name .= '.' . $matches[1];
515 
		}
2130 lars 516 
		if ($this->options['correct_image_extensions'] && function_exists('exif_imagetype')) {
517 
			switch (@exif_imagetype($file_path)) {
2121 lars 518 
				case IMAGETYPE_JPEG:
519 
					$extensions = array('jpg', 'jpeg');
520 
					break;
521 
				case IMAGETYPE_PNG:
522 
					$extensions = array('png');
523 
					break;
524 
				case IMAGETYPE_GIF:
525 
					$extensions = array('gif');
526 
					break;
527 
			}
528 
			// Adjust incorrect image file extensions:
2130 lars 529 
			if (!empty($extensions)) {
2121 lars 530 
				$parts = explode('.', $name);
531 
				$extIndex = count($parts) - 1;
532 
				$ext = strtolower(@$parts[$extIndex]);
2130 lars 533 
				if (!in_array($ext, $extensions)) {
2121 lars 534 
					$parts[$extIndex] = $extensions[0];
535 
					$name = implode('.', $parts);
536 
				}
537 
			}
538 
		}
539 
		return $name;
540 
	}
541 
 
542 
	protected function trim_file_name($file_path, $name, $size, $type, $error, $index,
543 
		$content_range)
544 
	{
545 
		// Remove path information and dots around the filename, to prevent uploading
546 
		// into different directories or replacing hidden system files.
547 
		// Also remove control characters and spaces (\x00..\x20) around the filename:
548 
		$name = trim($this->basename(stripslashes($name)), ".\x00..\x20");
549 
		// Use a timestamp for empty filenames:
2130 lars 550 
		if (!$name) {
2121 lars 551 
			$name = str_replace('.', '-', microtime(true));
552 
		}
553 
		return $name;
554 
	}
555 
 
556 
	protected function get_file_name($file_path, $name, $size, $type, $error, $index,
557 
		$content_range)
558 
	{
559 
		$name = $this->trim_file_name($file_path, $name, $size, $type, $error, $index, $content_range);
560 
		return $this->get_unique_filename($file_path, $this->fix_file_extension($file_path,
561 
			$name, $size, $type, $error, $index, $content_range), $size, $type, $error, $index,
562 
			$content_range);
563 
	}
564 
 
565 
	protected function get_scaled_image_file_paths($file_name, $version)
566 
	{
567 
		$file_path = $this->get_upload_path($file_name);
2130 lars 568 
		if (!empty($version)) {
2121 lars 569 
			$version_dir = $this->get_upload_path(null, $version);
2130 lars 570 
			if (!is_dir($version_dir)) {
2121 lars 571 
				mkdir($version_dir, $this->options['mkdir_mode'], true);
572 
			}
573 
			$new_file_path = $version_dir . '/' . $file_name;
2130 lars 574 
		} else {
2121 lars 575 
			$new_file_path = $file_path;
576 
		}
577 
		return array($file_path, $new_file_path);
578 
	}
579 
 
580 
	protected function gd_get_image_object($file_path, $func, $no_cache = false)
581 
	{
2130 lars 582 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 583 
			$this->gd_destroy_image_object($file_path);
584 
			$this->image_objects[$file_path] = $func($file_path);
585 
		}
586 
		return $this->image_objects[$file_path];
587 
	}
588 
 
589 
	protected function gd_set_image_object($file_path, $image)
590 
	{
591 
		$this->gd_destroy_image_object($file_path);
592 
		$this->image_objects[$file_path] = $image;
593 
	}
594 
 
595 
	protected function gd_destroy_image_object($file_path)
596 
	{
597 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
598 
		return $image && imagedestroy($image);
599 
	}
600 
 
601 
	protected function gd_imageflip($image, $mode)
602 
	{
2130 lars 603 
		if (function_exists('imageflip')) {
2121 lars 604 
			return imageflip($image, $mode);
605 
		}
606 
		$new_width = $src_width = imagesx($image);
607 
		$new_height = $src_height = imagesy($image);
608 
		$new_img = imagecreatetruecolor($new_width, $new_height);
609 
		$src_x = 0;
610 
		$src_y = 0;
2130 lars 611 
		switch ($mode) {
2121 lars 612 
			case '1': // flip on the horizontal axis
613 
				$src_y = $new_height - 1;
614 
				$src_height = -$new_height;
615 
				break;
616 
			case '2': // flip on the vertical axis
617 
				$src_x = $new_width - 1;
618 
				$src_width = -$new_width;
619 
				break;
620 
			case '3': // flip on both axes
621 
				$src_y = $new_height - 1;
622 
				$src_height = -$new_height;
623 
				$src_x = $new_width - 1;
624 
				$src_width = -$new_width;
625 
				break;
626 
			default:
627 
				return $image;
628 
		}
629 
		imagecopyresampled($new_img, $image, 0, 0, $src_x, $src_y, $new_width, $new_height,
630 
			$src_width, $src_height);
631 
		return $new_img;
632 
	}
633 
 
634 
	protected function gd_orient_image($file_path, $src_img)
635 
	{
2130 lars 636 
		if (!function_exists('exif_read_data')) {
2121 lars 637 
			return false;
638 
		}
639 
		$exif = @exif_read_data($file_path);
2130 lars 640 
		if ($exif === false) {
2121 lars 641 
			return false;
642 
		}
643 
		$orientation = (int)@$exif['Orientation'];
2130 lars 644 
		if ($orientation < 2 || $orientation > 8) {
2121 lars 645 
			return false;
646 
		}
2130 lars 647 
		switch ($orientation) {
2121 lars 648 
			case 2:
649 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
650 
					IMG_FLIP_VERTICAL : 2);
651 
				break;
652 
			case 3:
653 
				$new_img = imagerotate($src_img, 180, 0);
654 
				break;
655 
			case 4:
656 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
657 
					IMG_FLIP_HORIZONTAL : 1);
658 
				break;
659 
			case 5:
660 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
661 
					IMG_FLIP_HORIZONTAL : 1);
662 
				$new_img = imagerotate($tmp_img, 270, 0);
663 
				imagedestroy($tmp_img);
664 
				break;
665 
			case 6:
666 
				$new_img = imagerotate($src_img, 270, 0);
667 
				break;
668 
			case 7:
669 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
670 
					IMG_FLIP_VERTICAL : 2);
671 
				$new_img = imagerotate($tmp_img, 270, 0);
672 
				imagedestroy($tmp_img);
673 
				break;
674 
			case 8:
675 
				$new_img = imagerotate($src_img, 90, 0);
676 
				break;
677 
			default:
678 
				return false;
679 
		}
680 
		$this->gd_set_image_object($file_path, $new_img);
681 
		return true;
682 
	}
683 
 
684 
	protected function gd_create_scaled_image($file_name, $version, $options)
685 
	{
2130 lars 686 
		if (!function_exists('imagecreatetruecolor')) {
2121 lars 687 
			error_log('Function not found: imagecreatetruecolor');
688 
			return false;
689 
		}
690 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
691 
			$version);
692 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 693 
		switch ($type) {
2121 lars 694 
			case 'jpg':
695 
			case 'jpeg':
696 
				$src_func = 'imagecreatefromjpeg';
697 
				$write_func = 'imagejpeg';
698 
				$image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75;
699 
				break;
700 
			case 'gif':
701 
				$src_func = 'imagecreatefromgif';
702 
				$write_func = 'imagegif';
703 
				$image_quality = null;
704 
				break;
705 
			case 'png':
706 
				$src_func = 'imagecreatefrompng';
707 
				$write_func = 'imagepng';
708 
				$image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9;
709 
				break;
710 
			default:
711 
				return false;
712 
		}
713 
		$src_img = $this->gd_get_image_object($file_path, $src_func, !empty($options['no_cache']));
714 
		$image_oriented = false;
2130 lars 715 
		if (!empty($options['auto_orient']) && $this->gd_orient_image($file_path, $src_img)) {
2121 lars 716 
			$image_oriented = true;
717 
			$src_img = $this->gd_get_image_object($file_path, $src_func);
718 
		}
719 
		$max_width = $img_width = imagesx($src_img);
720 
		$max_height = $img_height = imagesy($src_img);
2130 lars 721 
		if (!empty($options['max_width'])) {
2121 lars 722 
			$max_width = $options['max_width'];
723 
		}
2130 lars 724 
		if (!empty($options['max_height'])) {
2121 lars 725 
			$max_height = $options['max_height'];
726 
		}
727 
		$scale = min($max_width / $img_width, $max_height / $img_height);
2130 lars 728 
		if ($scale >= 1) {
729 
			if ($image_oriented) {
2121 lars 730 
				return $write_func($src_img, $new_file_path, $image_quality);
731 
			}
2130 lars 732 
			if ($file_path !== $new_file_path) {
2121 lars 733 
				return copy($file_path, $new_file_path);
734 
			}
735 
			return true;
736 
		}
2130 lars 737 
		if (empty($options['crop'])) {
2121 lars 738 
			$new_width = $img_width * $scale;
739 
			$new_height = $img_height * $scale;
740 
			$dst_x = 0;
741 
			$dst_y = 0;
742 
			$new_img = imagecreatetruecolor($new_width, $new_height);
2130 lars 743 
		} else {
744 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 745 
				$new_width = $img_width / ($img_height / $max_height);
746 
				$new_height = $max_height;
2130 lars 747 
			} else {
2121 lars 748 
				$new_width = $max_width;
749 
				$new_height = $img_height / ($img_width / $max_width);
750 
			}
751 
			$dst_x = 0 - ($new_width - $max_width) / 2;
752 
			$dst_y = 0 - ($new_height - $max_height) / 2;
753 
			$new_img = imagecreatetruecolor($max_width, $max_height);
754 
		}
755 
		// Handle transparency in GIF and PNG images:
2130 lars 756 
		switch ($type) {
2121 lars 757 
			case 'gif':
758 
			case 'png':
759 
				imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
760 
			case 'png':
761 
				imagealphablending($new_img, false);
762 
				imagesavealpha($new_img, true);
763 
				break;
764 
		}
765 
		$success = imagecopyresampled($new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width,
766 
			$new_height, $img_width, $img_height) && $write_func($new_img, $new_file_path, $image_quality);
767 
		$this->gd_set_image_object($file_path, $new_img);
768 
		return $success;
769 
	}
770 
 
771 
	protected function imagick_get_image_object($file_path, $no_cache = false)
772 
	{
2130 lars 773 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 774 
			$this->imagick_destroy_image_object($file_path);
775 
			$image = new \Imagick();
2130 lars 776 
			if (!empty($this->options['imagick_resource_limits'])) {
777 
				foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
2121 lars 778 
					$image->setResourceLimit($type, $limit);
779 
				}
780 
			}
781 
			$image->readImage($file_path);
782 
			$this->image_objects[$file_path] = $image;
783 
		}
784 
		return $this->image_objects[$file_path];
785 
	}
786 
 
787 
	protected function imagick_set_image_object($file_path, $image)
788 
	{
789 
		$this->imagick_destroy_image_object($file_path);
790 
		$this->image_objects[$file_path] = $image;
791 
	}
792 
 
793 
	protected function imagick_destroy_image_object($file_path)
794 
	{
795 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
796 
		return $image && $image->destroy();
797 
	}
798 
 
799 
	protected function imagick_orient_image($image)
800 
	{
801 
		$orientation = $image->getImageOrientation();
802 
		$background = new \ImagickPixel('none');
2130 lars 803 
		switch ($orientation) {
2121 lars 804 
			case \imagick::ORIENTATION_TOPRIGHT: // 2
805 
				$image->flopImage(); // horizontal flop around y-axis
806 
				break;
807 
			case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
808 
				$image->rotateImage($background, 180);
809 
				break;
810 
			case \imagick::ORIENTATION_BOTTOMLEFT: // 4
811 
				$image->flipImage(); // vertical flip around x-axis
812 
				break;
813 
			case \imagick::ORIENTATION_LEFTTOP: // 5
814 
				$image->flopImage(); // horizontal flop around y-axis
815 
				$image->rotateImage($background, 270);
816 
				break;
817 
			case \imagick::ORIENTATION_RIGHTTOP: // 6
818 
				$image->rotateImage($background, 90);
819 
				break;
820 
			case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
821 
				$image->flipImage(); // vertical flip around x-axis
822 
				$image->rotateImage($background, 270);
823 
				break;
824 
			case \imagick::ORIENTATION_LEFTBOTTOM: // 8
825 
				$image->rotateImage($background, 270);
826 
				break;
827 
			default:
828 
				return false;
829 
		}
830 
		$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1
831 
		return true;
832 
	}
833 
 
834 
	protected function imagick_create_scaled_image($file_name, $version, $options)
835 
	{
836 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
837 
			$version);
838 
		$image = $this->imagick_get_image_object($file_path, !empty($options['crop']) ||
839 
			!empty($options['no_cache']));
2130 lars 840 
		if ($image->getImageFormat() === 'GIF') {
2121 lars 841 
			// Handle animated GIFs:
842 
			$images = $image->coalesceImages();
2130 lars 843 
			foreach ($images as $frame) {
2121 lars 844 
				$image = $frame;
845 
				$this->imagick_set_image_object($file_name, $image);
846 
				break;
847 
			}
848 
		}
849 
		$image_oriented = false;
2130 lars 850 
		if (!empty($options['auto_orient'])) {
2121 lars 851 
			$image_oriented = $this->imagick_orient_image($image);
852 
		}
853 
		$new_width = $max_width = $img_width = $image->getImageWidth();
854 
		$new_height = $max_height = $img_height = $image->getImageHeight();
2130 lars 855 
		if (!empty($options['max_width'])) {
2121 lars 856 
			$new_width = $max_width = $options['max_width'];
857 
		}
2130 lars 858 
		if (!empty($options['max_height'])) {
2121 lars 859 
			$new_height = $max_height = $options['max_height'];
860 
		}
861 
		$image_strip = false;
2130 lars 862 
		if (!empty($options["strip"])) {
2121 lars 863 
			$image_strip = $options["strip"];
864 
		}
865 
		if (!$image_oriented && ($max_width >= $img_width) && ($max_height >= $img_height) &&
2130 lars 866 
			!$image_strip && empty($options["jpeg_quality"])) {
867 
			if ($file_path !== $new_file_path) {
2121 lars 868 
				return copy($file_path, $new_file_path);
869 
			}
870 
			return true;
871 
		}
872 
		$crop = !empty($options['crop']);
2130 lars 873 
		if ($crop) {
2121 lars 874 
			$x = 0;
875 
			$y = 0;
2130 lars 876 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 877 
				$new_width = 0; // Enables proportional scaling based on max_height
878 
				$x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
2130 lars 879 
			} else {
2121 lars 880 
				$new_height = 0; // Enables proportional scaling based on max_width
881 
				$y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
882 
			}
883 
		}
884 
		$success = $image->resizeImage($new_width, $new_height, isset($options['filter']) ?
885 
			$options['filter'] : \imagick::FILTER_LANCZOS, isset($options['blur']) ? $options['blur'] :
886 
			1, $new_width && $new_height // fit image into constraints if not to be cropped
887 
			);
2130 lars 888 
		if ($success && $crop) {
2121 lars 889 
			$success = $image->cropImage($max_width, $max_height, $x, $y);
2130 lars 890 
			if ($success) {
2121 lars 891 
				$success = $image->setImagePage($max_width, $max_height, 0, 0);
892 
			}
893 
		}
894 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 895 
		switch ($type) {
2121 lars 896 
			case 'jpg':
897 
			case 'jpeg':
2130 lars 898 
				if (!empty($options['jpeg_quality'])) {
2121 lars 899 
					$image->setImageCompression(\imagick::COMPRESSION_JPEG);
900 
					$image->setImageCompressionQuality($options['jpeg_quality']);
901 
				}
902 
				break;
903 
		}
2130 lars 904 
		if ($image_strip) {
2121 lars 905 
			$image->stripImage();
906 
		}
907 
		return $success && $image->writeImage($new_file_path);
908 
	}
909 
 
910 
	protected function imagemagick_create_scaled_image($file_name, $version, $options)
911 
	{
912 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
913 
			$version);
914 
		$resize = @$options['max_width'] . (empty($options['max_height']) ? '' : 'X' . $options['max_height']);
2130 lars 915 
		if (!$resize && empty($options['auto_orient'])) {
916 
			if ($file_path !== $new_file_path) {
2121 lars 917 
				return copy($file_path, $new_file_path);
918 
			}
919 
			return true;
920 
		}
921 
		$cmd = $this->options['convert_bin'];
2130 lars 922 
		if (!empty($this->options['convert_params'])) {
2121 lars 923 
			$cmd .= ' ' . $this->options['convert_params'];
924 
		}
925 
		$cmd .= ' ' . escapeshellarg($file_path);
2130 lars 926 
		if (!empty($options['auto_orient'])) {
2121 lars 927 
			$cmd .= ' -auto-orient';
928 
		}
2130 lars 929 
		if ($resize) {
2121 lars 930 
			// Handle animated GIFs:
931 
			$cmd .= ' -coalesce';
2130 lars 932 
			if (empty($options['crop'])) {
2121 lars 933 
				$cmd .= ' -resize ' . escapeshellarg($resize . '>');
2130 lars 934 
			} else {
2121 lars 935 
				$cmd .= ' -resize ' . escapeshellarg($resize . '^');
936 
				$cmd .= ' -gravity center';
937 
				$cmd .= ' -crop ' . escapeshellarg($resize . '+0+0');
938 
			}
939 
			// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
940 
			$cmd .= ' +repage';
941 
		}
2130 lars 942 
		if (!empty($options['convert_params'])) {
2121 lars 943 
			$cmd .= ' ' . $options['convert_params'];
944 
		}
945 
		$cmd .= ' ' . escapeshellarg($new_file_path);
946 
		exec($cmd, $output, $error);
2130 lars 947 
		if ($error) {
2121 lars 948 
			error_log(implode('\n', $output));
949 
			return false;
950 
		}
951 
		return true;
952 
	}
953 
 
954 
	protected function get_image_size($file_path)
955 
	{
2130 lars 956 
		if ($this->options['image_library']) {
957 
			if (extension_loaded('imagick')) {
2121 lars 958 
				$image = new \Imagick();
2130 lars 959 
				try {
960 
					if (@$image->pingImage($file_path)) {
2121 lars 961 
						$dimensions = array($image->getImageWidth(), $image->getImageHeight());
962 
						$image->destroy();
963 
						return $dimensions;
964 
					}
965 
					return false;
966 
				}
2130 lars 967 
				catch (\Exception $e) {
2121 lars 968 
					error_log($e->getMessage());
969 
				}
970 
			}
2130 lars 971 
			if ($this->options['image_library'] === 2) {
2121 lars 972 
				$cmd = $this->options['identify_bin'];
973 
				$cmd .= ' -ping ' . escapeshellarg($file_path);
974 
				exec($cmd, $output, $error);
2130 lars 975 
				if (!$error && !empty($output)) {
2121 lars 976 
					// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
977 
					$infos = preg_split('/\s+/', substr($output[0], strlen($file_path)));
978 
					$dimensions = preg_split('/x/', $infos[2]);
979 
					return $dimensions;
980 
				}
981 
				return false;
982 
			}
983 
		}
2130 lars 984 
		if (!function_exists('getimagesize')) {
2121 lars 985 
			error_log('Function not found: getimagesize');
986 
			return false;
987 
		}
988 
		return @getimagesize($file_path);
989 
	}
990 
 
991 
	protected function create_scaled_image($file_name, $version, $options)
992 
	{
2130 lars 993 
		if ($this->options['image_library'] === 2) {
2121 lars 994 
			return $this->imagemagick_create_scaled_image($file_name, $version, $options);
995 
		}
2130 lars 996 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 997 
			return $this->imagick_create_scaled_image($file_name, $version, $options);
998 
		}
999 
		return $this->gd_create_scaled_image($file_name, $version, $options);
1000 
	}
1001 
 
1002 
	protected function destroy_image_object($file_path)
1003 
	{
2130 lars 1004 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 1005 
			return $this->imagick_destroy_image_object($file_path);
1006 
		}
1007 
	}
1008 
 
1009 
	protected function is_valid_image_file($file_path)
1010 
	{
2130 lars 1011 
		if (!preg_match($this->options['image_file_types'], $file_path)) {
2121 lars 1012 
			return false;
1013 
		}
2130 lars 1014 
		if (function_exists('exif_imagetype')) {
2121 lars 1015 
			return @exif_imagetype($file_path);
1016 
		}
1017 
		$image_info = $this->get_image_size($file_path);
1018 
		return $image_info && $image_info[0] && $image_info[1];
1019 
	}
1020 
 
1021 
	protected function handle_image_file($file_path, $file)
1022 
	{
1023 
		$failed_versions = array();
2130 lars 1024 
		foreach ($this->options['image_versions'] as $version => $options) {
1025 
			if ($this->create_scaled_image($file->name, $version, $options)) {
1026 
				if (!empty($version)) {
2121 lars 1027 
					$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
2130 lars 1028 
				} else {
2121 lars 1029 
					$file->size = $this->get_file_size($file_path, true);
1030 
				}
2130 lars 1031 
			} else {
2121 lars 1032 
				$failed_versions[] = $version ? $version : 'original';
1033 
			}
1034 
		}
2130 lars 1035 
		if (count($failed_versions)) {
2121 lars 1036 
			$file->error = $this->get_error_message('image_resize') . ' (' . implode($failed_versions,
1037 
				', ') . ')';
1038 
		}
1039 
		// Free memory:
1040 
		$this->destroy_image_object($file_path);
1041 
	}
1042 
 
1043 
	protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
1044 
		$index = null, $content_range = null)
1045 
	{
1046 
		$file = new \stdClass();
1047 
		$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
1048 
			$index, $content_range);
1049 
		$file->size = $this->fix_integer_overflow((int)$size);
1050 
		$file->type = $type;
2130 lars 1051 
		if ($this->validate($uploaded_file, $file, $error, $index)) {
2121 lars 1052 
			$this->handle_form_data($file, $index);
1053 
			$upload_dir = $this->get_upload_path();
2130 lars 1054 
			if (!is_dir($upload_dir)) {
2121 lars 1055 
				mkdir($upload_dir, $this->options['mkdir_mode'], true);
1056 
			}
1057 
			$file_path = $this->get_upload_path($file->name);
1058 
			$append_file = $content_range && is_file($file_path) && $file->size > $this->
1059 
				get_file_size($file_path);
2130 lars 1060 
			if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 1061 
				// multipart/formdata uploads (POST method uploads)
2130 lars 1062 
				if ($append_file) {
2121 lars 1063 
					file_put_contents($file_path, fopen($uploaded_file, 'r'), FILE_APPEND);
2130 lars 1064 
				} else {
2121 lars 1065 
					move_uploaded_file($uploaded_file, $file_path);
1066 
				}
2130 lars 1067 
			} else {
2121 lars 1068 
				// Non-multipart uploads (PUT method support)
1069 
				file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ?
1070 
					FILE_APPEND : 0);
1071 
			}
1072 
			$file_size = $this->get_file_size($file_path, $append_file);
2130 lars 1073 
			$videos = array(
1074 
				"wmf",
1075 
				"flv",
1076 
				"swf",
1077 
				);
1078 
			$docs = array(
1079 
				"pdf",
1080 
				"doc",
1081 
				"docx",
1082 
				"xls",
1083 
				"xlsx",
1084 
				);
1085 
			if ($file_size === $file->size) {
1086 
				$mt = mime_content_type($file_path);
1087 
				$info = pathinfo($file_path);
1088 
				$ext = strtolower($info["extension"]);
2134 lars 1089 
				$file->url = $this->get_download_url($file->name);
2130 lars 1090 
				$typ = 4;
2134 lars 1091 
				if ($this->is_valid_image_file($file_path)) {
2130 lars 1092 
					$typ = 1;
2134 lars 1093 
					$this->handle_image_file($file_path, $file);
2130 lars 1094 
				} elseif (in_array($ext, $docs)) {
1095 
					$typ = 2;
1096 
				} elseif (in_array($ext, $videos)) {
1097 
					$typ = 3;
1098 
				}
1099 
				$f = $GLOBALS["folder"];
1100 
				$sql = "INSERT INTO
1101 
                        medien
1102 
                    SET
1103 
                        name='" . $fName . "',
1104 
                        folder='" . $f . "',
1105 
                        erstellt_am=UNIX_TIMESTAMP(),
1106 
                        erstellt_von='" . $_SERVER["PHP_AUTH_USER"] . "',
1107 
                        typ=" . $typ . "
1108 
                ";
2133 lars 1109 
				//$GLOBALS["ci"]->db->query($sql);
2130 lars 1110 
			} else {
2121 lars 1111 
				$file->size = $file_size;
2130 lars 1112 
				if (!$content_range && $this->options['discard_aborted_uploads']) {
2121 lars 1113 
					unlink($file_path);
1114 
					$file->error = $this->get_error_message('abort');
1115 
				}
1116 
			}
1117 
			$this->set_additional_file_properties($file);
1118 
		}
1119 
		return $file;
1120 
	}
1121 
 
1122 
	protected function readfile($file_path)
1123 
	{
1124 
		$file_size = $this->get_file_size($file_path);
1125 
		$chunk_size = $this->options['readfile_chunk_size'];
2130 lars 1126 
		if ($chunk_size && $file_size > $chunk_size) {
2121 lars 1127 
			$handle = fopen($file_path, 'rb');
2130 lars 1128 
			while (!feof($handle)) {
2121 lars 1129 
				echo fread($handle, $chunk_size);
1130 
				@ob_flush();
1131 
				@flush();
1132 
			}
1133 
			fclose($handle);
1134 
			return $file_size;
1135 
		}
1136 
		return readfile($file_path);
1137 
	}
1138 
 
1139 
	protected function body($str)
1140 
	{
1141 
		echo $str;
1142 
	}
1143 
 
1144 
	protected function header($str)
1145 
	{
1146 
		header($str);
1147 
	}
1148 
 
1149 
	protected function get_upload_data($id)
1150 
	{
1151 
		return @$_FILES[$id];
1152 
	}
1153 
 
1154 
	protected function get_post_param($id)
1155 
	{
1156 
		return @$_POST[$id];
1157 
	}
1158 
 
1159 
	protected function get_query_param($id)
1160 
	{
1161 
		return @$_GET[$id];
1162 
	}
1163 
 
1164 
	protected function get_server_var($id)
1165 
	{
1166 
		return @$_SERVER[$id];
1167 
	}
1168 
 
1169 
	protected function handle_form_data($file, $index)
1170 
	{
1171 
		// Handle form data, e.g. $_POST['description'][$index]
1172 
	}
1173 
 
1174 
	protected function get_version_param()
1175 
	{
1176 
		return $this->basename(stripslashes($this->get_query_param('version')));
1177 
	}
1178 
 
1179 
	protected function get_singular_param_name()
1180 
	{
1181 
		return substr($this->options['param_name'], 0, -1);
1182 
	}
1183 
 
1184 
	protected function get_file_name_param()
1185 
	{
1186 
		$name = $this->get_singular_param_name();
1187 
		return $this->basename(stripslashes($this->get_query_param($name)));
1188 
	}
1189 
 
1190 
	protected function get_file_names_params()
1191 
	{
1192 
		$params = $this->get_query_param($this->options['param_name']);
2130 lars 1193 
		if (!$params) {
2121 lars 1194 
			return null;
1195 
		}
2130 lars 1196 
		foreach ($params as $key => $value) {
2121 lars 1197 
			$params[$key] = $this->basename(stripslashes($value));
1198 
		}
1199 
		return $params;
1200 
	}
1201 
 
1202 
	protected function get_file_type($file_path)
1203 
	{
2130 lars 1204 
		switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
2121 lars 1205 
			case 'jpeg':
1206 
			case 'jpg':
1207 
				return 'image/jpeg';
1208 
			case 'png':
1209 
				return 'image/png';
1210 
			case 'gif':
1211 
				return 'image/gif';
2130 lars 1212 
			case 'svg':
1213 
				return 'image/svg';
2121 lars 1214 
			default:
1215 
				return '';
1216 
		}
1217 
	}
1218 
 
1219 
	protected function download()
1220 
	{
2130 lars 1221 
		switch ($this->options['download_via_php']) {
2121 lars 1222 
			case 1:
1223 
				$redirect_header = null;
1224 
				break;
1225 
			case 2:
1226 
				$redirect_header = 'X-Sendfile';
1227 
				break;
1228 
			case 3:
1229 
				$redirect_header = 'X-Accel-Redirect';
1230 
				break;
1231 
			default:
1232 
				return $this->header('HTTP/1.1 403 Forbidden');
1233 
		}
1234 
		$file_name = $this->get_file_name_param();
2130 lars 1235 
		if (!$this->is_valid_file_object($file_name)) {
2121 lars 1236 
			return $this->header('HTTP/1.1 404 Not Found');
1237 
		}
2130 lars 1238 
		if ($redirect_header) {
2121 lars 1239 
			return $this->header($redirect_header . ': ' . $this->get_download_url($file_name,
1240 
				$this->get_version_param(), true));
1241 
		}
1242 
		$file_path = $this->get_upload_path($file_name, $this->get_version_param());
1243 
		// Prevent browsers from MIME-sniffing the content-type:
1244 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1245 
		if (!preg_match($this->options['inline_file_types'], $file_name)) {
2121 lars 1246 
			$this->header('Content-Type: application/octet-stream');
1247 
			$this->header('Content-Disposition: attachment; filename="' . $file_name . '"');
2130 lars 1248 
		} else {
2121 lars 1249 
			$this->header('Content-Type: ' . $this->get_file_type($file_path));
1250 
			$this->header('Content-Disposition: inline; filename="' . $file_name . '"');
1251 
		}
1252 
		$this->header('Content-Length: ' . $this->get_file_size($file_path));
1253 
		$this->header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', filemtime($file_path)));
1254 
		$this->readfile($file_path);
1255 
	}
1256 
 
1257 
	protected function send_content_type_header()
1258 
	{
1259 
		$this->header('Vary: Accept');
2130 lars 1260 
		if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
2121 lars 1261 
			$this->header('Content-type: application/json');
2130 lars 1262 
		} else {
2121 lars 1263 
			$this->header('Content-type: text/plain');
1264 
		}
1265 
	}
1266 
 
1267 
	protected function send_access_control_headers()
1268 
	{
1269 
		$this->header('Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin']);
1270 
		$this->header('Access-Control-Allow-Credentials: ' . ($this->options['access_control_allow_credentials'] ?
1271 
			'true' : 'false'));
1272 
		$this->header('Access-Control-Allow-Methods: ' . implode(', ', $this->options['access_control_allow_methods']));
1273 
		$this->header('Access-Control-Allow-Headers: ' . implode(', ', $this->options['access_control_allow_headers']));
1274 
	}
1275 
 
1276 
	public function generate_response($content, $print_response = true)
1277 
	{
1278 
		$this->response = $content;
2130 lars 1279 
		if ($print_response) {
2121 lars 1280 
			$json = json_encode($content);
1281 
			$redirect = stripslashes($this->get_post_param('redirect'));
2130 lars 1282 
			if ($redirect && preg_match($this->options['redirect_allow_target'], $redirect)) {
2121 lars 1283 
				$this->header('Location: ' . sprintf($redirect, rawurlencode($json)));
1284 
				return;
1285 
			}
1286 
			$this->head();
2130 lars 1287 
			if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
2121 lars 1288 
				$files = isset($content[$this->options['param_name']]) ? $content[$this->
1289 
					options['param_name']] : null;
2130 lars 1290 
				if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
2121 lars 1291 
					$this->header('Range: 0-' . ($this->fix_integer_overflow((int)$files[0]->size) -
1292 
						1));
1293 
				}
1294 
			}
1295 
			$this->body($json);
1296 
		}
1297 
		return $content;
1298 
	}
1299 
 
1300 
	public function get_response()
1301 
	{
1302 
		return $this->response;
1303 
	}
1304 
 
1305 
	public function head()
1306 
	{
1307 
		$this->header('Pragma: no-cache');
1308 
		$this->header('Cache-Control: no-store, no-cache, must-revalidate');
1309 
		$this->header('Content-Disposition: inline; filename="files.json"');
1310 
		// Prevent Internet Explorer from MIME-sniffing the content-type:
1311 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1312 
		if ($this->options['access_control_allow_origin']) {
2121 lars 1313 
			$this->send_access_control_headers();
1314 
		}
1315 
		$this->send_content_type_header();
1316 
	}
1317 
 
1318 
	public function get($print_response = true)
1319 
	{
2130 lars 1320 
		if ($print_response && $this->get_query_param('download')) {
2121 lars 1321 
			return $this->download();
1322 
		}
1323 
		$file_name = $this->get_file_name_param();
2130 lars 1324 
		if ($file_name) {
2121 lars 1325 
			$response = array($this->get_singular_param_name() => $this->get_file_object($file_name));
2130 lars 1326 
		} else {
2121 lars 1327 
			$response = array($this->options['param_name'] => $this->get_file_objects());
1328 
		}
1329 
		return $this->generate_response($response, $print_response);
1330 
	}
1331 
 
1332 
	public function post($print_response = true)
1333 
	{
2130 lars 1334 
		if ($this->get_query_param('_method') === 'DELETE') {
2121 lars 1335 
			return $this->delete($print_response);
1336 
		}
1337 
		$upload = $this->get_upload_data($this->options['param_name']);
1338 
		// Parse the Content-Disposition header, if available:
1339 
		$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION');
1340 
		$file_name = $content_disposition_header ? rawurldecode(preg_replace('/(^[^"]+")|("$)/',
1341 
			'', $content_disposition_header)) : null;
1342 
		// Parse the Content-Range header, which has the following form:
1343 
		// Content-Range: bytes 0-524287/2000000
1344 
		$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE');
1345 
		$content_range = $content_range_header ? preg_split('/[^0-9]+/', $content_range_header) : null;
1346 
		$size = $content_range ? $content_range[3] : null;
1347 
		$files = array();
2130 lars 1348 
		if ($upload) {
1349 
			if (is_array($upload['tmp_name'])) {
2121 lars 1350 
				// param_name is an array identifier like "files[]",
1351 
				// $upload is a multi-dimensional array:
2130 lars 1352 
				foreach ($upload['tmp_name'] as $index => $value) {
2121 lars 1353 
					$files[] = $this->handle_file_upload($upload['tmp_name'][$index], $file_name ? $file_name :
1354 
						$upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index],
1355 
						$upload['error'][$index], $index, $content_range);
1356 
				}
2130 lars 1357 
			} else {
2121 lars 1358 
				// param_name is a single object identifier like "file",
1359 
				// $upload is a one-dimensional array:
1360 
				$files[] = $this->handle_file_upload(isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
1361 
					$file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ?
1362 
					$size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
1363 
					isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
1364 
					isset($upload['error']) ? $upload['error'] : null, null, $content_range);
1365 
			}
1366 
		}
1367 
		$response = array($this->options['param_name'] => $files);
1368 
		return $this->generate_response($response, $print_response);
1369 
	}
1370 
 
1371 
	public function delete($print_response = true)
1372 
	{
1373 
		$file_names = $this->get_file_names_params();
2130 lars 1374 
		if (empty($file_names)) {
2121 lars 1375 
			$file_names = array($this->get_file_name_param());
1376 
		}
1377 
		$response = array();
2130 lars 1378 
		foreach ($file_names as $file_name) {
2121 lars 1379 
			$file_path = $this->get_upload_path($file_name);
1380 
			$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
2130 lars 1381 
			if ($success) {
1382 
				foreach ($this->options['image_versions'] as $version => $options) {
1383 
					if (!empty($version)) {
2121 lars 1384 
						$file = $this->get_upload_path($file_name, $version);
2130 lars 1385 
						if (is_file($file)) {
2121 lars 1386 
							unlink($file);
1387 
						}
1388 
					}
1389 
				}
1390 
			}
1391 
			$response[$file_name] = $success;
1392 
		}
1393 
		return $this->generate_response($response, $print_response);
1394 
	}
1395 
 
1396 
	protected function basename($filepath, $suffix = null)
1397 
	{
1398 
		$splited = preg_split('/\//', rtrim($filepath, '/ '));
1399 
		return substr(basename('X' . $splited[count($splited) - 1], $suffix), 1);
1400 
	}
1401 
}