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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();
2142 lars 93 
		$real_orig_url = $real_url . "/images/orig/";
2135 lars 94 
		$real_url .= "/images/upload/" . $GLOBALS["folder"] . "/";
95 
		$real_folder = $GLOBALS["webs"]["verzeichnis"] . '/images/upload/' . $GLOBALS["folder"] .
96 
			"/";
2121 lars 97 
		$this->response = array();
98 
		$this->options = array(
99 
			'script_url' => $this->get_full_url() . '/' . $this->basename($this->
100 
				get_server_var('SCRIPT_NAME')),
2141 lars 101 
			'upload_dir' => $GLOBALS["webs"]["verzeichnis"] . "/images/orig/",
102 
			'upload_url' => $real_orig_url,
2121 lars 103 
			'input_stream' => 'php://input',
104 
			'user_dirs' => false,
105 
			'mkdir_mode' => 0755,
106 
			'param_name' => 'files',
107 
			// Set the following option to 'POST', if your server does not support
108 
			// DELETE requests. This is a parameter sent to the client:
109 
			'delete_type' => 'DELETE',
110 
			'access_control_allow_origin' => '*',
111 
			'access_control_allow_credentials' => false,
112 
			'access_control_allow_methods' => array(
113 
				'OPTIONS',
114 
				'HEAD',
115 
				'GET',
116 
				'POST',
117 
				'PUT',
118 
				'PATCH',
2130 lars 119 
				'DELETE',
120 
				),
2121 lars 121 
			'access_control_allow_headers' => array(
122 
				'Content-Type',
123 
				'Content-Range',
2130 lars 124 
				'Content-Disposition',
125 
				),
2121 lars 126 
			// By default, allow redirects to the referer protocol+host:
127 
			'redirect_allow_target' => '/^' . preg_quote(parse_url($this->get_server_var('HTTP_REFERER'),
128 
				PHP_URL_SCHEME) . '://' . parse_url($this->get_server_var('HTTP_REFERER'),
129 
				PHP_URL_HOST) . '/', // Trailing slash to not match subdomains by mistake
130 
				'/' // preg_quote delimiter param
131 
				) . '/',
132 
			// Enable to provide file downloads via GET requests to the PHP script:
133 
			//     1. Set to 1 to download files via readfile method through PHP
134 
			//     2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
135 
			//     3. Set to 3 to send a X-Accel-Redirect header for nginx
136 
			// If set to 2 or 3, adjust the upload_url option to the base path of
137 
			// the redirect parameter, e.g. '/files/'.
138 
			'download_via_php' => false,
139 
			// Read files in chunks to avoid memory limits when download_via_php
140 
			// is enabled, set to 0 to disable chunked reading of files:
141 
			'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
142 
			// Defines which files can be displayed inline when downloaded:
2130 lars 143 
			'inline_file_types' => '/\.(gif|jpe?g|png|svg)$/i',
2121 lars 144 
			// Defines which files (based on their names) are accepted for upload:
145 
			'accept_file_types' => '/.+$/i',
146 
			// The php.ini settings upload_max_filesize and post_max_size
147 
			// take precedence over the following max_file_size setting:
148 
			'max_file_size' => null,
149 
			'min_file_size' => 1,
150 
			// The maximum number of files for the upload directory:
151 
			'max_number_of_files' => null,
152 
			// Defines which files are handled as image files:
153 
			'image_file_types' => '/\.(gif|jpe?g|png)$/i',
154 
			// Use exif_imagetype on all files to correct file extensions:
155 
			'correct_image_extensions' => false,
156 
			// Image resolution restrictions:
157 
			'max_width' => null,
158 
			'max_height' => null,
159 
			'min_width' => 1,
160 
			'min_height' => 1,
161 
			// Set the following option to false to enable resumable uploads:
162 
			'discard_aborted_uploads' => true,
163 
			// Set to 0 to use the GD library to scale and orient images,
164 
			// set to 1 to use imagick (if installed, falls back to GD),
165 
			// set to 2 to use the ImageMagick convert binary directly:
2140 lars 166 
			'image_library' => 0,
2121 lars 167 
			// Uncomment the following to define an array of resource limits
168 
			// for imagick:
169 
			/*
170 
			'imagick_resource_limits' => array(
171 
			imagick::RESOURCETYPE_MAP => 32,
172 
			imagick::RESOURCETYPE_MEMORY => 32
173 
			),
174 
			*/
175 
			// Command or path for to the ImageMagick convert binary:
176 
			'convert_bin' => 'convert',
177 
			// Uncomment the following to add parameters in front of each
178 
			// ImageMagick convert call (the limit constraints seem only
179 
			// to have an effect if put in front):
180 
			/*
181 
			'convert_params' => '-limit memory 32MiB -limit map 32MiB',
182 
			*/
183 
			// Command or path for to the ImageMagick identify binary:
184 
			'identify_bin' => 'identify',
2135 lars 185 
			'print_response' => true,
186 
			);
2130 lars 187 
		foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 188 
			$this->options["image_versions"][$set[0]] = array(
189 
				"upload_dir" => $real_folder . $set[1] . "/",
190 
				"upload_url" => $real_url . $set[1] . "/",
191 
				"max_width" => $set[2],
192 
				"max_height" => $set[3],
193 
				);
194 
		}
2130 lars 195 
		if ($options) {
2121 lars 196 
			$this->options = $options + $this->options;
197 
		}
2130 lars 198 
		if ($error_messages) {
2121 lars 199 
			$this->error_messages = $error_messages + $this->error_messages;
200 
		}
2130 lars 201 
		if ($initialize) {
2121 lars 202 
			$this->initialize();
203 
		}
2136 lars 204 
		trigger_error(var_export($this->options, true));
205 
		trigger_error(var_export($this->error_messages, true));
2121 lars 206 
	}
207 
 
208 
	protected function initialize()
209 
	{
2130 lars 210 
		switch ($this->get_server_var('REQUEST_METHOD')) {
2121 lars 211 
			case 'OPTIONS':
212 
			case 'HEAD':
213 
				$this->head();
214 
				break;
215 
			case 'GET':
216 
				$this->get($this->options['print_response']);
217 
				break;
218 
			case 'PATCH':
219 
			case 'PUT':
220 
			case 'POST':
221 
				$this->post($this->options['print_response']);
222 
				break;
223 
			case 'DELETE':
224 
				$this->delete($this->options['print_response']);
225 
				break;
226 
			default:
227 
				$this->header('HTTP/1.1 405 Method Not Allowed');
228 
		}
229 
	}
230 
 
231 
	protected function get_full_url()
232 
	{
233 
		$https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0 ||
234 
			!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_PROTO'],
235 
			'https') === 0;
236 
		return ($https ? 'https://' : 'http://') . (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] .
237 
			'@' : '') . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'] .
238 
			($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ?
239 
			'' : ':' . $_SERVER['SERVER_PORT']))) . substr($_SERVER['SCRIPT_NAME'], 0,
240 
			strrpos($_SERVER['SCRIPT_NAME'], '/'));
241 
	}
242 
 
243 
	protected function get_user_id()
244 
	{
245 
		@session_start();
246 
		return session_id();
247 
	}
248 
 
249 
	protected function get_user_path()
250 
	{
2130 lars 251 
		if ($this->options['user_dirs']) {
2121 lars 252 
			return $this->get_user_id() . '/';
253 
		}
254 
		return '';
255 
	}
256 
 
257 
	protected function get_upload_path($file_name = null, $version = null)
258 
	{
259 
		$file_name = $file_name ? $file_name : '';
2130 lars 260 
		if (empty($version)) {
2121 lars 261 
			$version_path = '';
2130 lars 262 
		} else {
2121 lars 263 
			$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
2130 lars 264 
			if ($version_dir) {
2121 lars 265 
				return $version_dir . $this->get_user_path() . $file_name;
266 
			}
267 
			$version_path = $version . '/';
268 
		}
269 
		return $this->options['upload_dir'] . $this->get_user_path() . $version_path . $file_name;
270 
	}
271 
 
272 
	protected function get_query_separator($url)
273 
	{
274 
		return strpos($url, '?') === false ? '?' : '&';
275 
	}
276 
 
277 
	protected function get_download_url($file_name, $version = null, $direct = false)
278 
	{
2130 lars 279 
		if (!$direct && $this->options['download_via_php']) {
2121 lars 280 
			$url = $this->options['script_url'] . $this->get_query_separator($this->options['script_url']) .
281 
				$this->get_singular_param_name() . '=' . rawurlencode($file_name);
2130 lars 282 
			if ($version) {
2121 lars 283 
				$url .= '&version=' . rawurlencode($version);
284 
			}
285 
			return $url . '&download=1';
286 
		}
2130 lars 287 
		if (empty($version)) {
2121 lars 288 
			$version_path = '';
2130 lars 289 
		} else {
2121 lars 290 
			$version_url = @$this->options['image_versions'][$version]['upload_url'];
2130 lars 291 
			if ($version_url) {
2121 lars 292 
				return $version_url . $this->get_user_path() . rawurlencode($file_name);
293 
			}
294 
			$version_path = rawurlencode($version) . '/';
295 
		}
296 
		return $this->options['upload_url'] . $this->get_user_path() . $version_path .
297 
			rawurlencode($file_name);
298 
	}
299 
 
300 
	protected function set_additional_file_properties($file)
301 
	{
302 
		$file->deleteUrl = $this->options['script_url'] . $this->get_query_separator($this->
303 
			options['script_url']) . $this->get_singular_param_name() . '=' . rawurlencode($file->
304 
			name);
305 
		$file->deleteType = $this->options['delete_type'];
2130 lars 306 
		if ($file->deleteType !== 'DELETE') {
2121 lars 307 
			$file->deleteUrl .= '&_method=DELETE';
308 
		}
2132 lars 309 
		trigger_error($file->deleteUrl);
2130 lars 310 
		if ($this->options['access_control_allow_credentials']) {
2121 lars 311 
			$file->deleteWithCredentials = true;
312 
		}
313 
	}
314 
 
315 
	// Fix for overflowing signed 32 bit integers,
316 
	// works for sizes up to 2^32-1 bytes (4 GiB - 1):
317 
	protected function fix_integer_overflow($size)
318 
	{
2130 lars 319 
		if ($size < 0) {
2121 lars 320 
			$size += 2.0 * (PHP_INT_MAX + 1);
321 
		}
322 
		return $size;
323 
	}
324 
 
325 
	protected function get_file_size($file_path, $clear_stat_cache = false)
326 
	{
2130 lars 327 
		if ($clear_stat_cache) {
328 
			if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
2121 lars 329 
				clearstatcache(true, $file_path);
2130 lars 330 
			} else {
2121 lars 331 
				clearstatcache();
332 
			}
333 
		}
334 
		return $this->fix_integer_overflow(filesize($file_path));
335 
	}
336 
 
337 
	protected function is_valid_file_object($file_name)
338 
	{
339 
		$file_path = $this->get_upload_path($file_name);
2130 lars 340 
		if (is_file($file_path) && $file_name[0] !== '.') {
2121 lars 341 
			return true;
342 
		}
343 
		return false;
344 
	}
345 
 
346 
	protected function get_file_object($file_name)
347 
	{
2130 lars 348 
		if ($this->is_valid_file_object($file_name)) {
2121 lars 349 
			$file = new \stdClass();
350 
			$file->name = $file_name;
351 
			$file->size = $this->get_file_size($this->get_upload_path($file_name));
352 
			$file->url = $this->get_download_url($file->name);
2130 lars 353 
			foreach ($this->options['image_versions'] as $version => $options) {
354 
				if (!empty($version)) {
355 
					if (is_file($this->get_upload_path($file_name, $version))) {
2121 lars 356 
						$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
357 
					}
358 
				}
359 
			}
360 
			$this->set_additional_file_properties($file);
361 
			return $file;
362 
		}
363 
		return null;
364 
	}
365 
 
366 
	protected function get_file_objects($iteration_method = 'get_file_object')
367 
	{
368 
		$upload_dir = $this->get_upload_path();
2130 lars 369 
		if (!is_dir($upload_dir)) {
2121 lars 370 
			return array();
371 
		}
372 
		return array_values(array_filter(array_map(array($this, $iteration_method),
373 
			scandir($upload_dir))));
374 
	}
375 
 
376 
	protected function count_file_objects()
377 
	{
378 
		return count($this->get_file_objects('is_valid_file_object'));
379 
	}
380 
 
381 
	protected function get_error_message($error)
382 
	{
383 
		return isset($this->error_messages[$error]) ? $this->error_messages[$error] : $error;
384 
	}
385 
 
386 
	public function get_config_bytes($val)
387 
	{
388 
		$val = trim($val);
389 
		$last = strtolower($val[strlen($val) - 1]);
390 
		$val = (int)$val;
2130 lars 391 
		switch ($last) {
2121 lars 392 
			case 'g':
393 
				$val *= 1024;
394 
			case 'm':
395 
				$val *= 1024;
396 
			case 'k':
397 
				$val *= 1024;
398 
		}
399 
		return $this->fix_integer_overflow($val);
400 
	}
401 
 
402 
	protected function validate($uploaded_file, $file, $error, $index)
403 
	{
2130 lars 404 
		if ($error) {
2121 lars 405 
			$file->error = $this->get_error_message($error);
406 
			return false;
407 
		}
408 
		$content_length = $this->fix_integer_overflow((int)$this->get_server_var('CONTENT_LENGTH'));
409 
		$post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
2130 lars 410 
		if ($post_max_size && ($content_length > $post_max_size)) {
2121 lars 411 
			$file->error = $this->get_error_message('post_max_size');
412 
			return false;
413 
		}
2130 lars 414 
		if (!preg_match($this->options['accept_file_types'], $file->name)) {
2121 lars 415 
			$file->error = $this->get_error_message('accept_file_types');
416 
			return false;
417 
		}
2130 lars 418 
		if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 419 
			$file_size = $this->get_file_size($uploaded_file);
2130 lars 420 
		} else {
2121 lars 421 
			$file_size = $content_length;
422 
		}
423 
		if ($this->options['max_file_size'] && ($file_size > $this->options['max_file_size'] ||
2130 lars 424 
			$file->size > $this->options['max_file_size'])) {
2121 lars 425 
			$file->error = $this->get_error_message('max_file_size');
426 
			return false;
427 
		}
2130 lars 428 
		if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) {
2121 lars 429 
			$file->error = $this->get_error_message('min_file_size');
430 
			return false;
431 
		}
432 
		if (is_int($this->options['max_number_of_files']) && ($this->count_file_objects
433 
			() >= $this->options['max_number_of_files']) &&
434 
			// Ignore additional chunks of existing files:
2130 lars 435 
			!is_file($this->get_upload_path($file->name))) {
2121 lars 436 
			$file->error = $this->get_error_message('max_number_of_files');
437 
			return false;
438 
		}
439 
		$max_width = @$this->options['max_width'];
440 
		$max_height = @$this->options['max_height'];
441 
		$min_width = @$this->options['min_width'];
442 
		$min_height = @$this->options['min_height'];
443 
		if (($max_width || $max_height || $min_width || $min_height) && preg_match($this->
2130 lars 444 
			options['image_file_types'], $file->name)) {
2121 lars 445 
			list($img_width, $img_height) = $this->get_image_size($uploaded_file);
446 
 
447 
			// If we are auto rotating the image by default, do the checks on
448 
			// the correct orientation
449 
			if (@$this->options['image_versions']['']['auto_orient'] && function_exists('exif_read_data') &&
2130 lars 450 
				($exif = @exif_read_data($uploaded_file)) && (((int)@$exif['Orientation']) >= 5)) {
2121 lars 451 
				$tmp = $img_width;
452 
				$img_width = $img_height;
453 
				$img_height = $tmp;
454 
				unset($tmp);
455 
			}
456 
 
457 
		}
2130 lars 458 
		if (!empty($img_width)) {
459 
			if ($max_width && $img_width > $max_width) {
2121 lars 460 
				$file->error = $this->get_error_message('max_width');
461 
				return false;
462 
			}
2130 lars 463 
			if ($max_height && $img_height > $max_height) {
2121 lars 464 
				$file->error = $this->get_error_message('max_height');
465 
				return false;
466 
			}
2130 lars 467 
			if ($min_width && $img_width < $min_width) {
2121 lars 468 
				$file->error = $this->get_error_message('min_width');
469 
				return false;
470 
			}
2130 lars 471 
			if ($min_height && $img_height < $min_height) {
2121 lars 472 
				$file->error = $this->get_error_message('min_height');
473 
				return false;
474 
			}
475 
		}
476 
		return true;
477 
	}
478 
 
479 
	protected function upcount_name_callback($matches)
480 
	{
481 
		$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1;
482 
		$ext = isset($matches[2]) ? $matches[2] : '';
483 
		return ' (' . $index . ')' . $ext;
484 
	}
485 
 
486 
	protected function upcount_name($name)
487 
	{
488 
		return preg_replace_callback('/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this,
489 
				'upcount_name_callback'), $name, 1);
490 
	}
491 
 
492 
	protected function get_unique_filename($file_path, $name, $size, $type, $error,
493 
		$index, $content_range)
494 
	{
2130 lars 495 
		while (is_dir($this->get_upload_path($name))) {
2121 lars 496 
			$name = $this->upcount_name($name);
497 
		}
498 
		// Keep an existing filename if this is part of a chunked upload:
499 
		$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]);
2130 lars 500 
		while (is_file($this->get_upload_path($name))) {
501 
			if ($uploaded_bytes === $this->get_file_size($this->get_upload_path($name))) {
2121 lars 502 
				break;
503 
			}
504 
			$name = $this->upcount_name($name);
505 
		}
506 
		return $name;
507 
	}
508 
 
509 
	protected function fix_file_extension($file_path, $name, $size, $type, $error, $index,
510 
		$content_range)
511 
	{
512 
		// Add missing file extension for known image types:
513 
		if (strpos($name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type,
2130 lars 514 
			$matches)) {
2121 lars 515 
			$name .= '.' . $matches[1];
516 
		}
2130 lars 517 
		if ($this->options['correct_image_extensions'] && function_exists('exif_imagetype')) {
518 
			switch (@exif_imagetype($file_path)) {
2121 lars 519 
				case IMAGETYPE_JPEG:
520 
					$extensions = array('jpg', 'jpeg');
521 
					break;
522 
				case IMAGETYPE_PNG:
523 
					$extensions = array('png');
524 
					break;
525 
				case IMAGETYPE_GIF:
526 
					$extensions = array('gif');
527 
					break;
528 
			}
529 
			// Adjust incorrect image file extensions:
2130 lars 530 
			if (!empty($extensions)) {
2121 lars 531 
				$parts = explode('.', $name);
532 
				$extIndex = count($parts) - 1;
533 
				$ext = strtolower(@$parts[$extIndex]);
2130 lars 534 
				if (!in_array($ext, $extensions)) {
2121 lars 535 
					$parts[$extIndex] = $extensions[0];
536 
					$name = implode('.', $parts);
537 
				}
538 
			}
539 
		}
540 
		return $name;
541 
	}
542 
 
543 
	protected function trim_file_name($file_path, $name, $size, $type, $error, $index,
544 
		$content_range)
545 
	{
546 
		// Remove path information and dots around the filename, to prevent uploading
547 
		// into different directories or replacing hidden system files.
548 
		// Also remove control characters and spaces (\x00..\x20) around the filename:
549 
		$name = trim($this->basename(stripslashes($name)), ".\x00..\x20");
550 
		// Use a timestamp for empty filenames:
2130 lars 551 
		if (!$name) {
2121 lars 552 
			$name = str_replace('.', '-', microtime(true));
553 
		}
554 
		return $name;
555 
	}
556 
 
557 
	protected function get_file_name($file_path, $name, $size, $type, $error, $index,
558 
		$content_range)
559 
	{
560 
		$name = $this->trim_file_name($file_path, $name, $size, $type, $error, $index, $content_range);
561 
		return $this->get_unique_filename($file_path, $this->fix_file_extension($file_path,
562 
			$name, $size, $type, $error, $index, $content_range), $size, $type, $error, $index,
563 
			$content_range);
564 
	}
565 
 
566 
	protected function get_scaled_image_file_paths($file_name, $version)
567 
	{
568 
		$file_path = $this->get_upload_path($file_name);
2130 lars 569 
		if (!empty($version)) {
2121 lars 570 
			$version_dir = $this->get_upload_path(null, $version);
2130 lars 571 
			if (!is_dir($version_dir)) {
2121 lars 572 
				mkdir($version_dir, $this->options['mkdir_mode'], true);
573 
			}
574 
			$new_file_path = $version_dir . '/' . $file_name;
2130 lars 575 
		} else {
2121 lars 576 
			$new_file_path = $file_path;
577 
		}
578 
		return array($file_path, $new_file_path);
579 
	}
580 
 
581 
	protected function gd_get_image_object($file_path, $func, $no_cache = false)
582 
	{
2130 lars 583 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 584 
			$this->gd_destroy_image_object($file_path);
585 
			$this->image_objects[$file_path] = $func($file_path);
586 
		}
587 
		return $this->image_objects[$file_path];
588 
	}
589 
 
590 
	protected function gd_set_image_object($file_path, $image)
591 
	{
592 
		$this->gd_destroy_image_object($file_path);
593 
		$this->image_objects[$file_path] = $image;
594 
	}
595 
 
596 
	protected function gd_destroy_image_object($file_path)
597 
	{
598 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
599 
		return $image && imagedestroy($image);
600 
	}
601 
 
602 
	protected function gd_imageflip($image, $mode)
603 
	{
2130 lars 604 
		if (function_exists('imageflip')) {
2121 lars 605 
			return imageflip($image, $mode);
606 
		}
607 
		$new_width = $src_width = imagesx($image);
608 
		$new_height = $src_height = imagesy($image);
609 
		$new_img = imagecreatetruecolor($new_width, $new_height);
610 
		$src_x = 0;
611 
		$src_y = 0;
2130 lars 612 
		switch ($mode) {
2121 lars 613 
			case '1': // flip on the horizontal axis
614 
				$src_y = $new_height - 1;
615 
				$src_height = -$new_height;
616 
				break;
617 
			case '2': // flip on the vertical axis
618 
				$src_x = $new_width - 1;
619 
				$src_width = -$new_width;
620 
				break;
621 
			case '3': // flip on both axes
622 
				$src_y = $new_height - 1;
623 
				$src_height = -$new_height;
624 
				$src_x = $new_width - 1;
625 
				$src_width = -$new_width;
626 
				break;
627 
			default:
628 
				return $image;
629 
		}
630 
		imagecopyresampled($new_img, $image, 0, 0, $src_x, $src_y, $new_width, $new_height,
631 
			$src_width, $src_height);
632 
		return $new_img;
633 
	}
634 
 
635 
	protected function gd_orient_image($file_path, $src_img)
636 
	{
2130 lars 637 
		if (!function_exists('exif_read_data')) {
2121 lars 638 
			return false;
639 
		}
640 
		$exif = @exif_read_data($file_path);
2130 lars 641 
		if ($exif === false) {
2121 lars 642 
			return false;
643 
		}
644 
		$orientation = (int)@$exif['Orientation'];
2130 lars 645 
		if ($orientation < 2 || $orientation > 8) {
2121 lars 646 
			return false;
647 
		}
2130 lars 648 
		switch ($orientation) {
2121 lars 649 
			case 2:
650 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
651 
					IMG_FLIP_VERTICAL : 2);
652 
				break;
653 
			case 3:
654 
				$new_img = imagerotate($src_img, 180, 0);
655 
				break;
656 
			case 4:
657 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
658 
					IMG_FLIP_HORIZONTAL : 1);
659 
				break;
660 
			case 5:
661 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
662 
					IMG_FLIP_HORIZONTAL : 1);
663 
				$new_img = imagerotate($tmp_img, 270, 0);
664 
				imagedestroy($tmp_img);
665 
				break;
666 
			case 6:
667 
				$new_img = imagerotate($src_img, 270, 0);
668 
				break;
669 
			case 7:
670 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
671 
					IMG_FLIP_VERTICAL : 2);
672 
				$new_img = imagerotate($tmp_img, 270, 0);
673 
				imagedestroy($tmp_img);
674 
				break;
675 
			case 8:
676 
				$new_img = imagerotate($src_img, 90, 0);
677 
				break;
678 
			default:
679 
				return false;
680 
		}
681 
		$this->gd_set_image_object($file_path, $new_img);
682 
		return true;
683 
	}
684 
 
685 
	protected function gd_create_scaled_image($file_name, $version, $options)
686 
	{
2130 lars 687 
		if (!function_exists('imagecreatetruecolor')) {
2121 lars 688 
			error_log('Function not found: imagecreatetruecolor');
689 
			return false;
690 
		}
691 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
692 
			$version);
693 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 694 
		switch ($type) {
2121 lars 695 
			case 'jpg':
696 
			case 'jpeg':
697 
				$src_func = 'imagecreatefromjpeg';
698 
				$write_func = 'imagejpeg';
699 
				$image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75;
700 
				break;
701 
			case 'gif':
702 
				$src_func = 'imagecreatefromgif';
703 
				$write_func = 'imagegif';
704 
				$image_quality = null;
705 
				break;
706 
			case 'png':
707 
				$src_func = 'imagecreatefrompng';
708 
				$write_func = 'imagepng';
709 
				$image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9;
710 
				break;
711 
			default:
712 
				return false;
713 
		}
714 
		$src_img = $this->gd_get_image_object($file_path, $src_func, !empty($options['no_cache']));
715 
		$image_oriented = false;
2130 lars 716 
		if (!empty($options['auto_orient']) && $this->gd_orient_image($file_path, $src_img)) {
2121 lars 717 
			$image_oriented = true;
718 
			$src_img = $this->gd_get_image_object($file_path, $src_func);
719 
		}
720 
		$max_width = $img_width = imagesx($src_img);
721 
		$max_height = $img_height = imagesy($src_img);
2130 lars 722 
		if (!empty($options['max_width'])) {
2121 lars 723 
			$max_width = $options['max_width'];
724 
		}
2130 lars 725 
		if (!empty($options['max_height'])) {
2121 lars 726 
			$max_height = $options['max_height'];
727 
		}
728 
		$scale = min($max_width / $img_width, $max_height / $img_height);
2130 lars 729 
		if ($scale >= 1) {
730 
			if ($image_oriented) {
2121 lars 731 
				return $write_func($src_img, $new_file_path, $image_quality);
732 
			}
2130 lars 733 
			if ($file_path !== $new_file_path) {
2121 lars 734 
				return copy($file_path, $new_file_path);
735 
			}
736 
			return true;
737 
		}
2130 lars 738 
		if (empty($options['crop'])) {
2121 lars 739 
			$new_width = $img_width * $scale;
740 
			$new_height = $img_height * $scale;
741 
			$dst_x = 0;
742 
			$dst_y = 0;
743 
			$new_img = imagecreatetruecolor($new_width, $new_height);
2130 lars 744 
		} else {
745 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 746 
				$new_width = $img_width / ($img_height / $max_height);
747 
				$new_height = $max_height;
2130 lars 748 
			} else {
2121 lars 749 
				$new_width = $max_width;
750 
				$new_height = $img_height / ($img_width / $max_width);
751 
			}
752 
			$dst_x = 0 - ($new_width - $max_width) / 2;
753 
			$dst_y = 0 - ($new_height - $max_height) / 2;
754 
			$new_img = imagecreatetruecolor($max_width, $max_height);
755 
		}
756 
		// Handle transparency in GIF and PNG images:
2130 lars 757 
		switch ($type) {
2121 lars 758 
			case 'gif':
759 
			case 'png':
760 
				imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
761 
			case 'png':
762 
				imagealphablending($new_img, false);
763 
				imagesavealpha($new_img, true);
764 
				break;
765 
		}
766 
		$success = imagecopyresampled($new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width,
767 
			$new_height, $img_width, $img_height) && $write_func($new_img, $new_file_path, $image_quality);
768 
		$this->gd_set_image_object($file_path, $new_img);
769 
		return $success;
770 
	}
771 
 
772 
	protected function imagick_get_image_object($file_path, $no_cache = false)
773 
	{
2130 lars 774 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 775 
			$this->imagick_destroy_image_object($file_path);
776 
			$image = new \Imagick();
2130 lars 777 
			if (!empty($this->options['imagick_resource_limits'])) {
778 
				foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
2121 lars 779 
					$image->setResourceLimit($type, $limit);
780 
				}
781 
			}
782 
			$image->readImage($file_path);
783 
			$this->image_objects[$file_path] = $image;
784 
		}
785 
		return $this->image_objects[$file_path];
786 
	}
787 
 
788 
	protected function imagick_set_image_object($file_path, $image)
789 
	{
790 
		$this->imagick_destroy_image_object($file_path);
791 
		$this->image_objects[$file_path] = $image;
792 
	}
793 
 
794 
	protected function imagick_destroy_image_object($file_path)
795 
	{
796 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
797 
		return $image && $image->destroy();
798 
	}
799 
 
800 
	protected function imagick_orient_image($image)
801 
	{
802 
		$orientation = $image->getImageOrientation();
803 
		$background = new \ImagickPixel('none');
2130 lars 804 
		switch ($orientation) {
2121 lars 805 
			case \imagick::ORIENTATION_TOPRIGHT: // 2
806 
				$image->flopImage(); // horizontal flop around y-axis
807 
				break;
808 
			case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
809 
				$image->rotateImage($background, 180);
810 
				break;
811 
			case \imagick::ORIENTATION_BOTTOMLEFT: // 4
812 
				$image->flipImage(); // vertical flip around x-axis
813 
				break;
814 
			case \imagick::ORIENTATION_LEFTTOP: // 5
815 
				$image->flopImage(); // horizontal flop around y-axis
816 
				$image->rotateImage($background, 270);
817 
				break;
818 
			case \imagick::ORIENTATION_RIGHTTOP: // 6
819 
				$image->rotateImage($background, 90);
820 
				break;
821 
			case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
822 
				$image->flipImage(); // vertical flip around x-axis
823 
				$image->rotateImage($background, 270);
824 
				break;
825 
			case \imagick::ORIENTATION_LEFTBOTTOM: // 8
826 
				$image->rotateImage($background, 270);
827 
				break;
828 
			default:
829 
				return false;
830 
		}
831 
		$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1
832 
		return true;
833 
	}
834 
 
835 
	protected function imagick_create_scaled_image($file_name, $version, $options)
836 
	{
837 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
838 
			$version);
839 
		$image = $this->imagick_get_image_object($file_path, !empty($options['crop']) ||
840 
			!empty($options['no_cache']));
2130 lars 841 
		if ($image->getImageFormat() === 'GIF') {
2121 lars 842 
			// Handle animated GIFs:
843 
			$images = $image->coalesceImages();
2130 lars 844 
			foreach ($images as $frame) {
2121 lars 845 
				$image = $frame;
846 
				$this->imagick_set_image_object($file_name, $image);
847 
				break;
848 
			}
849 
		}
850 
		$image_oriented = false;
2130 lars 851 
		if (!empty($options['auto_orient'])) {
2121 lars 852 
			$image_oriented = $this->imagick_orient_image($image);
853 
		}
854 
		$new_width = $max_width = $img_width = $image->getImageWidth();
855 
		$new_height = $max_height = $img_height = $image->getImageHeight();
2130 lars 856 
		if (!empty($options['max_width'])) {
2121 lars 857 
			$new_width = $max_width = $options['max_width'];
858 
		}
2130 lars 859 
		if (!empty($options['max_height'])) {
2121 lars 860 
			$new_height = $max_height = $options['max_height'];
861 
		}
862 
		$image_strip = false;
2130 lars 863 
		if (!empty($options["strip"])) {
2121 lars 864 
			$image_strip = $options["strip"];
865 
		}
866 
		if (!$image_oriented && ($max_width >= $img_width) && ($max_height >= $img_height) &&
2130 lars 867 
			!$image_strip && empty($options["jpeg_quality"])) {
868 
			if ($file_path !== $new_file_path) {
2121 lars 869 
				return copy($file_path, $new_file_path);
870 
			}
871 
			return true;
872 
		}
873 
		$crop = !empty($options['crop']);
2130 lars 874 
		if ($crop) {
2121 lars 875 
			$x = 0;
876 
			$y = 0;
2130 lars 877 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 878 
				$new_width = 0; // Enables proportional scaling based on max_height
879 
				$x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
2130 lars 880 
			} else {
2121 lars 881 
				$new_height = 0; // Enables proportional scaling based on max_width
882 
				$y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
883 
			}
884 
		}
885 
		$success = $image->resizeImage($new_width, $new_height, isset($options['filter']) ?
886 
			$options['filter'] : \imagick::FILTER_LANCZOS, isset($options['blur']) ? $options['blur'] :
887 
			1, $new_width && $new_height // fit image into constraints if not to be cropped
888 
			);
2130 lars 889 
		if ($success && $crop) {
2121 lars 890 
			$success = $image->cropImage($max_width, $max_height, $x, $y);
2130 lars 891 
			if ($success) {
2121 lars 892 
				$success = $image->setImagePage($max_width, $max_height, 0, 0);
893 
			}
894 
		}
895 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 896 
		switch ($type) {
2121 lars 897 
			case 'jpg':
898 
			case 'jpeg':
2130 lars 899 
				if (!empty($options['jpeg_quality'])) {
2121 lars 900 
					$image->setImageCompression(\imagick::COMPRESSION_JPEG);
901 
					$image->setImageCompressionQuality($options['jpeg_quality']);
902 
				}
903 
				break;
904 
		}
2130 lars 905 
		if ($image_strip) {
2121 lars 906 
			$image->stripImage();
907 
		}
908 
		return $success && $image->writeImage($new_file_path);
909 
	}
910 
 
911 
	protected function imagemagick_create_scaled_image($file_name, $version, $options)
912 
	{
913 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
914 
			$version);
915 
		$resize = @$options['max_width'] . (empty($options['max_height']) ? '' : 'X' . $options['max_height']);
2130 lars 916 
		if (!$resize && empty($options['auto_orient'])) {
917 
			if ($file_path !== $new_file_path) {
2121 lars 918 
				return copy($file_path, $new_file_path);
919 
			}
920 
			return true;
921 
		}
922 
		$cmd = $this->options['convert_bin'];
2130 lars 923 
		if (!empty($this->options['convert_params'])) {
2121 lars 924 
			$cmd .= ' ' . $this->options['convert_params'];
925 
		}
926 
		$cmd .= ' ' . escapeshellarg($file_path);
2130 lars 927 
		if (!empty($options['auto_orient'])) {
2121 lars 928 
			$cmd .= ' -auto-orient';
929 
		}
2130 lars 930 
		if ($resize) {
2121 lars 931 
			// Handle animated GIFs:
932 
			$cmd .= ' -coalesce';
2130 lars 933 
			if (empty($options['crop'])) {
2121 lars 934 
				$cmd .= ' -resize ' . escapeshellarg($resize . '>');
2130 lars 935 
			} else {
2121 lars 936 
				$cmd .= ' -resize ' . escapeshellarg($resize . '^');
937 
				$cmd .= ' -gravity center';
938 
				$cmd .= ' -crop ' . escapeshellarg($resize . '+0+0');
939 
			}
940 
			// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
941 
			$cmd .= ' +repage';
942 
		}
2130 lars 943 
		if (!empty($options['convert_params'])) {
2121 lars 944 
			$cmd .= ' ' . $options['convert_params'];
945 
		}
946 
		$cmd .= ' ' . escapeshellarg($new_file_path);
947 
		exec($cmd, $output, $error);
2130 lars 948 
		if ($error) {
2121 lars 949 
			error_log(implode('\n', $output));
950 
			return false;
951 
		}
952 
		return true;
953 
	}
954 
 
955 
	protected function get_image_size($file_path)
956 
	{
2130 lars 957 
		if ($this->options['image_library']) {
958 
			if (extension_loaded('imagick')) {
2121 lars 959 
				$image = new \Imagick();
2130 lars 960 
				try {
961 
					if (@$image->pingImage($file_path)) {
2121 lars 962 
						$dimensions = array($image->getImageWidth(), $image->getImageHeight());
963 
						$image->destroy();
964 
						return $dimensions;
965 
					}
966 
					return false;
967 
				}
2130 lars 968 
				catch (\Exception $e) {
2121 lars 969 
					error_log($e->getMessage());
970 
				}
971 
			}
2130 lars 972 
			if ($this->options['image_library'] === 2) {
2121 lars 973 
				$cmd = $this->options['identify_bin'];
974 
				$cmd .= ' -ping ' . escapeshellarg($file_path);
975 
				exec($cmd, $output, $error);
2130 lars 976 
				if (!$error && !empty($output)) {
2121 lars 977 
					// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
978 
					$infos = preg_split('/\s+/', substr($output[0], strlen($file_path)));
979 
					$dimensions = preg_split('/x/', $infos[2]);
980 
					return $dimensions;
981 
				}
982 
				return false;
983 
			}
984 
		}
2130 lars 985 
		if (!function_exists('getimagesize')) {
2121 lars 986 
			error_log('Function not found: getimagesize');
987 
			return false;
988 
		}
989 
		return @getimagesize($file_path);
990 
	}
991 
 
992 
	protected function create_scaled_image($file_name, $version, $options)
993 
	{
2130 lars 994 
		if ($this->options['image_library'] === 2) {
2121 lars 995 
			return $this->imagemagick_create_scaled_image($file_name, $version, $options);
996 
		}
2130 lars 997 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 998 
			return $this->imagick_create_scaled_image($file_name, $version, $options);
999 
		}
1000 
		return $this->gd_create_scaled_image($file_name, $version, $options);
1001 
	}
1002 
 
1003 
	protected function destroy_image_object($file_path)
1004 
	{
2130 lars 1005 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 1006 
			return $this->imagick_destroy_image_object($file_path);
1007 
		}
1008 
	}
1009 
 
1010 
	protected function is_valid_image_file($file_path)
1011 
	{
2130 lars 1012 
		if (!preg_match($this->options['image_file_types'], $file_path)) {
2121 lars 1013 
			return false;
1014 
		}
2130 lars 1015 
		if (function_exists('exif_imagetype')) {
2121 lars 1016 
			return @exif_imagetype($file_path);
1017 
		}
1018 
		$image_info = $this->get_image_size($file_path);
1019 
		return $image_info && $image_info[0] && $image_info[1];
1020 
	}
1021 
 
1022 
	protected function handle_image_file($file_path, $file)
1023 
	{
1024 
		$failed_versions = array();
2130 lars 1025 
		foreach ($this->options['image_versions'] as $version => $options) {
1026 
			if ($this->create_scaled_image($file->name, $version, $options)) {
1027 
				if (!empty($version)) {
2121 lars 1028 
					$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
2130 lars 1029 
				} else {
2121 lars 1030 
					$file->size = $this->get_file_size($file_path, true);
1031 
				}
2130 lars 1032 
			} else {
2121 lars 1033 
				$failed_versions[] = $version ? $version : 'original';
1034 
			}
1035 
		}
2130 lars 1036 
		if (count($failed_versions)) {
2121 lars 1037 
			$file->error = $this->get_error_message('image_resize') . ' (' . implode($failed_versions,
1038 
				', ') . ')';
1039 
		}
1040 
		// Free memory:
1041 
		$this->destroy_image_object($file_path);
1042 
	}
1043 
 
1044 
	protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
1045 
		$index = null, $content_range = null)
1046 
	{
1047 
		$file = new \stdClass();
1048 
		$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
1049 
			$index, $content_range);
1050 
		$file->size = $this->fix_integer_overflow((int)$size);
1051 
		$file->type = $type;
2130 lars 1052 
		if ($this->validate($uploaded_file, $file, $error, $index)) {
2121 lars 1053 
			$this->handle_form_data($file, $index);
1054 
			$upload_dir = $this->get_upload_path();
2130 lars 1055 
			if (!is_dir($upload_dir)) {
2121 lars 1056 
				mkdir($upload_dir, $this->options['mkdir_mode'], true);
1057 
			}
1058 
			$file_path = $this->get_upload_path($file->name);
1059 
			$append_file = $content_range && is_file($file_path) && $file->size > $this->
1060 
				get_file_size($file_path);
2130 lars 1061 
			if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 1062 
				// multipart/formdata uploads (POST method uploads)
2130 lars 1063 
				if ($append_file) {
2121 lars 1064 
					file_put_contents($file_path, fopen($uploaded_file, 'r'), FILE_APPEND);
2130 lars 1065 
				} else {
2121 lars 1066 
					move_uploaded_file($uploaded_file, $file_path);
1067 
				}
2130 lars 1068 
			} else {
2121 lars 1069 
				// Non-multipart uploads (PUT method support)
1070 
				file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ?
1071 
					FILE_APPEND : 0);
1072 
			}
1073 
			$file_size = $this->get_file_size($file_path, $append_file);
2130 lars 1074 
			$videos = array(
1075 
				"wmf",
1076 
				"flv",
1077 
				"swf",
1078 
				);
1079 
			$docs = array(
1080 
				"pdf",
1081 
				"doc",
1082 
				"docx",
1083 
				"xls",
1084 
				"xlsx",
1085 
				);
1086 
			if ($file_size === $file->size) {
1087 
				$mt = mime_content_type($file_path);
1088 
				$info = pathinfo($file_path);
1089 
				$ext = strtolower($info["extension"]);
2134 lars 1090 
				$file->url = $this->get_download_url($file->name);
2130 lars 1091 
				$typ = 4;
2134 lars 1092 
				if ($this->is_valid_image_file($file_path)) {
2130 lars 1093 
					$typ = 1;
2134 lars 1094 
					$this->handle_image_file($file_path, $file);
2130 lars 1095 
				} elseif (in_array($ext, $docs)) {
1096 
					$typ = 2;
1097 
				} elseif (in_array($ext, $videos)) {
1098 
					$typ = 3;
1099 
				}
1100 
				$f = $GLOBALS["folder"];
1101 
				$sql = "INSERT INTO
1102 
                        medien
1103 
                    SET
1104 
                        name='" . $fName . "',
1105 
                        folder='" . $f . "',
1106 
                        erstellt_am=UNIX_TIMESTAMP(),
1107 
                        erstellt_von='" . $_SERVER["PHP_AUTH_USER"] . "',
1108 
                        typ=" . $typ . "
1109 
                ";
2133 lars 1110 
				//$GLOBALS["ci"]->db->query($sql);
2130 lars 1111 
			} else {
2121 lars 1112 
				$file->size = $file_size;
2130 lars 1113 
				if (!$content_range && $this->options['discard_aborted_uploads']) {
2121 lars 1114 
					unlink($file_path);
1115 
					$file->error = $this->get_error_message('abort');
1116 
				}
1117 
			}
1118 
			$this->set_additional_file_properties($file);
1119 
		}
1120 
		return $file;
1121 
	}
1122 
 
1123 
	protected function readfile($file_path)
1124 
	{
1125 
		$file_size = $this->get_file_size($file_path);
1126 
		$chunk_size = $this->options['readfile_chunk_size'];
2130 lars 1127 
		if ($chunk_size && $file_size > $chunk_size) {
2121 lars 1128 
			$handle = fopen($file_path, 'rb');
2130 lars 1129 
			while (!feof($handle)) {
2121 lars 1130 
				echo fread($handle, $chunk_size);
1131 
				@ob_flush();
1132 
				@flush();
1133 
			}
1134 
			fclose($handle);
1135 
			return $file_size;
1136 
		}
1137 
		return readfile($file_path);
1138 
	}
1139 
 
1140 
	protected function body($str)
1141 
	{
1142 
		echo $str;
1143 
	}
1144 
 
1145 
	protected function header($str)
1146 
	{
1147 
		header($str);
1148 
	}
1149 
 
1150 
	protected function get_upload_data($id)
1151 
	{
1152 
		return @$_FILES[$id];
1153 
	}
1154 
 
1155 
	protected function get_post_param($id)
1156 
	{
1157 
		return @$_POST[$id];
1158 
	}
1159 
 
1160 
	protected function get_query_param($id)
1161 
	{
1162 
		return @$_GET[$id];
1163 
	}
1164 
 
1165 
	protected function get_server_var($id)
1166 
	{
1167 
		return @$_SERVER[$id];
1168 
	}
1169 
 
1170 
	protected function handle_form_data($file, $index)
1171 
	{
1172 
		// Handle form data, e.g. $_POST['description'][$index]
1173 
	}
1174 
 
1175 
	protected function get_version_param()
1176 
	{
1177 
		return $this->basename(stripslashes($this->get_query_param('version')));
1178 
	}
1179 
 
1180 
	protected function get_singular_param_name()
1181 
	{
1182 
		return substr($this->options['param_name'], 0, -1);
1183 
	}
1184 
 
1185 
	protected function get_file_name_param()
1186 
	{
1187 
		$name = $this->get_singular_param_name();
1188 
		return $this->basename(stripslashes($this->get_query_param($name)));
1189 
	}
1190 
 
1191 
	protected function get_file_names_params()
1192 
	{
1193 
		$params = $this->get_query_param($this->options['param_name']);
2130 lars 1194 
		if (!$params) {
2121 lars 1195 
			return null;
1196 
		}
2130 lars 1197 
		foreach ($params as $key => $value) {
2121 lars 1198 
			$params[$key] = $this->basename(stripslashes($value));
1199 
		}
1200 
		return $params;
1201 
	}
1202 
 
1203 
	protected function get_file_type($file_path)
1204 
	{
2130 lars 1205 
		switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
2121 lars 1206 
			case 'jpeg':
1207 
			case 'jpg':
1208 
				return 'image/jpeg';
1209 
			case 'png':
1210 
				return 'image/png';
1211 
			case 'gif':
1212 
				return 'image/gif';
2130 lars 1213 
			case 'svg':
1214 
				return 'image/svg';
2121 lars 1215 
			default:
1216 
				return '';
1217 
		}
1218 
	}
1219 
 
1220 
	protected function download()
1221 
	{
2130 lars 1222 
		switch ($this->options['download_via_php']) {
2121 lars 1223 
			case 1:
1224 
				$redirect_header = null;
1225 
				break;
1226 
			case 2:
1227 
				$redirect_header = 'X-Sendfile';
1228 
				break;
1229 
			case 3:
1230 
				$redirect_header = 'X-Accel-Redirect';
1231 
				break;
1232 
			default:
1233 
				return $this->header('HTTP/1.1 403 Forbidden');
1234 
		}
1235 
		$file_name = $this->get_file_name_param();
2130 lars 1236 
		if (!$this->is_valid_file_object($file_name)) {
2121 lars 1237 
			return $this->header('HTTP/1.1 404 Not Found');
1238 
		}
2130 lars 1239 
		if ($redirect_header) {
2121 lars 1240 
			return $this->header($redirect_header . ': ' . $this->get_download_url($file_name,
1241 
				$this->get_version_param(), true));
1242 
		}
1243 
		$file_path = $this->get_upload_path($file_name, $this->get_version_param());
1244 
		// Prevent browsers from MIME-sniffing the content-type:
1245 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1246 
		if (!preg_match($this->options['inline_file_types'], $file_name)) {
2121 lars 1247 
			$this->header('Content-Type: application/octet-stream');
1248 
			$this->header('Content-Disposition: attachment; filename="' . $file_name . '"');
2130 lars 1249 
		} else {
2121 lars 1250 
			$this->header('Content-Type: ' . $this->get_file_type($file_path));
1251 
			$this->header('Content-Disposition: inline; filename="' . $file_name . '"');
1252 
		}
1253 
		$this->header('Content-Length: ' . $this->get_file_size($file_path));
1254 
		$this->header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', filemtime($file_path)));
1255 
		$this->readfile($file_path);
1256 
	}
1257 
 
1258 
	protected function send_content_type_header()
1259 
	{
1260 
		$this->header('Vary: Accept');
2130 lars 1261 
		if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
2121 lars 1262 
			$this->header('Content-type: application/json');
2130 lars 1263 
		} else {
2121 lars 1264 
			$this->header('Content-type: text/plain');
1265 
		}
1266 
	}
1267 
 
1268 
	protected function send_access_control_headers()
1269 
	{
1270 
		$this->header('Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin']);
1271 
		$this->header('Access-Control-Allow-Credentials: ' . ($this->options['access_control_allow_credentials'] ?
1272 
			'true' : 'false'));
1273 
		$this->header('Access-Control-Allow-Methods: ' . implode(', ', $this->options['access_control_allow_methods']));
1274 
		$this->header('Access-Control-Allow-Headers: ' . implode(', ', $this->options['access_control_allow_headers']));
1275 
	}
1276 
 
1277 
	public function generate_response($content, $print_response = true)
1278 
	{
1279 
		$this->response = $content;
2130 lars 1280 
		if ($print_response) {
2121 lars 1281 
			$json = json_encode($content);
1282 
			$redirect = stripslashes($this->get_post_param('redirect'));
2130 lars 1283 
			if ($redirect && preg_match($this->options['redirect_allow_target'], $redirect)) {
2121 lars 1284 
				$this->header('Location: ' . sprintf($redirect, rawurlencode($json)));
1285 
				return;
1286 
			}
1287 
			$this->head();
2130 lars 1288 
			if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
2121 lars 1289 
				$files = isset($content[$this->options['param_name']]) ? $content[$this->
1290 
					options['param_name']] : null;
2130 lars 1291 
				if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
2121 lars 1292 
					$this->header('Range: 0-' . ($this->fix_integer_overflow((int)$files[0]->size) -
1293 
						1));
1294 
				}
1295 
			}
1296 
			$this->body($json);
1297 
		}
1298 
		return $content;
1299 
	}
1300 
 
1301 
	public function get_response()
1302 
	{
1303 
		return $this->response;
1304 
	}
1305 
 
1306 
	public function head()
1307 
	{
1308 
		$this->header('Pragma: no-cache');
1309 
		$this->header('Cache-Control: no-store, no-cache, must-revalidate');
1310 
		$this->header('Content-Disposition: inline; filename="files.json"');
1311 
		// Prevent Internet Explorer from MIME-sniffing the content-type:
1312 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1313 
		if ($this->options['access_control_allow_origin']) {
2121 lars 1314 
			$this->send_access_control_headers();
1315 
		}
1316 
		$this->send_content_type_header();
1317 
	}
1318 
 
1319 
	public function get($print_response = true)
1320 
	{
2130 lars 1321 
		if ($print_response && $this->get_query_param('download')) {
2121 lars 1322 
			return $this->download();
1323 
		}
1324 
		$file_name = $this->get_file_name_param();
2130 lars 1325 
		if ($file_name) {
2121 lars 1326 
			$response = array($this->get_singular_param_name() => $this->get_file_object($file_name));
2130 lars 1327 
		} else {
2121 lars 1328 
			$response = array($this->options['param_name'] => $this->get_file_objects());
1329 
		}
1330 
		return $this->generate_response($response, $print_response);
1331 
	}
1332 
 
1333 
	public function post($print_response = true)
1334 
	{
2130 lars 1335 
		if ($this->get_query_param('_method') === 'DELETE') {
2121 lars 1336 
			return $this->delete($print_response);
1337 
		}
1338 
		$upload = $this->get_upload_data($this->options['param_name']);
1339 
		// Parse the Content-Disposition header, if available:
1340 
		$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION');
1341 
		$file_name = $content_disposition_header ? rawurldecode(preg_replace('/(^[^"]+")|("$)/',
1342 
			'', $content_disposition_header)) : null;
1343 
		// Parse the Content-Range header, which has the following form:
1344 
		// Content-Range: bytes 0-524287/2000000
1345 
		$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE');
1346 
		$content_range = $content_range_header ? preg_split('/[^0-9]+/', $content_range_header) : null;
1347 
		$size = $content_range ? $content_range[3] : null;
1348 
		$files = array();
2130 lars 1349 
		if ($upload) {
1350 
			if (is_array($upload['tmp_name'])) {
2121 lars 1351 
				// param_name is an array identifier like "files[]",
1352 
				// $upload is a multi-dimensional array:
2130 lars 1353 
				foreach ($upload['tmp_name'] as $index => $value) {
2121 lars 1354 
					$files[] = $this->handle_file_upload($upload['tmp_name'][$index], $file_name ? $file_name :
1355 
						$upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index],
1356 
						$upload['error'][$index], $index, $content_range);
1357 
				}
2130 lars 1358 
			} else {
2121 lars 1359 
				// param_name is a single object identifier like "file",
1360 
				// $upload is a one-dimensional array:
1361 
				$files[] = $this->handle_file_upload(isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
1362 
					$file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ?
1363 
					$size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
1364 
					isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
1365 
					isset($upload['error']) ? $upload['error'] : null, null, $content_range);
1366 
			}
1367 
		}
1368 
		$response = array($this->options['param_name'] => $files);
1369 
		return $this->generate_response($response, $print_response);
1370 
	}
1371 
 
1372 
	public function delete($print_response = true)
1373 
	{
1374 
		$file_names = $this->get_file_names_params();
2130 lars 1375 
		if (empty($file_names)) {
2121 lars 1376 
			$file_names = array($this->get_file_name_param());
1377 
		}
1378 
		$response = array();
2130 lars 1379 
		foreach ($file_names as $file_name) {
2121 lars 1380 
			$file_path = $this->get_upload_path($file_name);
1381 
			$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
2130 lars 1382 
			if ($success) {
1383 
				foreach ($this->options['image_versions'] as $version => $options) {
1384 
					if (!empty($version)) {
2121 lars 1385 
						$file = $this->get_upload_path($file_name, $version);
2130 lars 1386 
						if (is_file($file)) {
2121 lars 1387 
							unlink($file);
1388 
						}
1389 
					}
1390 
				}
1391 
			}
1392 
			$response[$file_name] = $success;
1393 
		}
1394 
		return $this->generate_response($response, $print_response);
1395 
	}
1396 
 
1397 
	protected function basename($filepath, $suffix = null)
1398 
	{
1399 
		$splited = preg_split('/\//', rtrim($filepath, '/ '));
1400 
		return substr(basename('X' . $splited[count($splited) - 1], $suffix), 1);
1401 
	}
1402 
}