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2121 lars 1 
<?php
2 
 
3 
/*
4 
* jQuery File Upload Plugin PHP Class
5 
* https://github.com/blueimp/jQuery-File-Upload
6 
*
7 
* Copyright 2010, Sebastian Tschan
8 
* https://blueimp.net
9 
*
10 
* Licensed under the MIT license:
11 
* https://opensource.org/licenses/MIT
12 
*/
13 
 
2130 lars 14 
if (preg_match("/\.local$/", $_SERVER["SERVER_NAME"])) {
2121 lars 15 
	//$GLOBALS["site"] .= ".local";
16 
}
17 
$options = null;
18 
 
19 
$real_url = getDokDomain();
20 
$real_url .= "/images/upload/";
2124 lars 21 
$real_folder = $GLOBALS["webs"]["verzeichnis"] . "/images/upload/";
2121 lars 22 
 
23 
$folder = "";
24 
$GLOBALS["folder"] = "";
2130 lars 25 
if (isset($_POST["folder"]) && $_POST["folder"]) {
2121 lars 26 
	$folder = Weban_Utils::clean_global_input("folder");
2130 lars 27 
} elseif (isset($_GET["folder"]) && $_GET["folder"]) {
2121 lars 28 
	$folder = Weban_Utils::clean_global_input("folder", "get");
29 
}
30 
 
31 
$bvKonf = "";
2130 lars 32 
if (isset($GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"])) {
2121 lars 33 
	$bvKonf = $GLOBALS["web_rechte"]["admin"]["toolbox"]["bildverwaltung"];
34 
}
2130 lars 35 
if (!$bvKonf) {
2121 lars 36 
	$bvKonf = "Bild;;651;651";
37 
}
38 
$GLOBALS["Imagedaten"] = array_chunk(explode(";", $bvKonf), 4);
2130 lars 39 
if ($folder) {
2121 lars 40 
	$folder = rtrim($folder, "/");
41 
	$GLOBALS["folder"] = $folder;
42 
	$folder .= "/";
43 
	$real_folder .= $folder;
44 
	$real_url .= $folder;
45 
	$options["upload_dir"] = $real_folder;
46 
	$options["upload_url"] = $real_url;
2130 lars 47 
	foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 48 
		$options["image_versions"][$set[0]] = array(
49 
			"upload_dir" => $real_folder . $set[1] . "/",
50 
			"upload_url" => $real_url . $set[1] . "/",
51 
			"max_width" => $set[2],
52 
			"max_height" => $set[3],
53 
			);
54 
	}
2130 lars 55 
	if (!file_exists($options["upload_dir"] . "/orig/")) {
2121 lars 56 
		mkdir($options["upload_dir"] . "/orig/", 0755, true);
57 
	}
58 
}
59 
 
60 
class UploadHandler
61 
{
62 
 
63 
	protected $options;
64 
 
65 
	// PHP File Upload error message codes:
66 
	// http://php.net/manual/en/features.file-upload.errors.php
67 
	protected $error_messages = array(
68 
		1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
69 
		2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
70 
		3 => 'The uploaded file was only partially uploaded',
71 
		4 => 'No file was uploaded',
72 
		6 => 'Missing a temporary folder',
73 
		7 => 'Failed to write file to disk',
74 
		8 => 'A PHP extension stopped the file upload',
75 
		'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini',
76 
		'max_file_size' => 'File is too big',
77 
		'min_file_size' => 'File is too small',
78 
		'accept_file_types' => 'Filetype not allowed',
79 
		'max_number_of_files' => 'Maximum number of files exceeded',
80 
		'max_width' => 'Image exceeds maximum width',
81 
		'min_width' => 'Image requires a minimum width',
82 
		'max_height' => 'Image exceeds maximum height',
83 
		'min_height' => 'Image requires a minimum height',
84 
		'abort' => 'File upload aborted',
85 
		'image_resize' => 'Failed to resize image');
86 
 
87 
	protected $image_objects = array();
88 
 
89 
	public function __construct($options = null, $initialize = true, $error_messages = null)
90 
	{
2132 lars 91 
		$GLOBALS["ci"] = &get_instance();
2128 lars 92 
		$real_url = getDokDomain();
93 
		$real_url .= "/images/upload/";
94 
		$real_folder = $GLOBALS["webs"]["verzeichnis"] . '/images/upload/';
2121 lars 95 
		$this->response = array();
96 
		$this->options = array(
97 
			'script_url' => $this->get_full_url() . '/' . $this->basename($this->
98 
				get_server_var('SCRIPT_NAME')),
2128 lars 99 
			'upload_dir' => $real_folder . "orig/",
100 
			'upload_url' => $real_url . "orig/",
2121 lars 101 
			'input_stream' => 'php://input',
102 
			'user_dirs' => false,
103 
			'mkdir_mode' => 0755,
104 
			'param_name' => 'files',
105 
			// Set the following option to 'POST', if your server does not support
106 
			// DELETE requests. This is a parameter sent to the client:
107 
			'delete_type' => 'DELETE',
108 
			'access_control_allow_origin' => '*',
109 
			'access_control_allow_credentials' => false,
110 
			'access_control_allow_methods' => array(
111 
				'OPTIONS',
112 
				'HEAD',
113 
				'GET',
114 
				'POST',
115 
				'PUT',
116 
				'PATCH',
2130 lars 117 
				'DELETE',
118 
				),
2121 lars 119 
			'access_control_allow_headers' => array(
120 
				'Content-Type',
121 
				'Content-Range',
2130 lars 122 
				'Content-Disposition',
123 
				),
2121 lars 124 
			// By default, allow redirects to the referer protocol+host:
125 
			'redirect_allow_target' => '/^' . preg_quote(parse_url($this->get_server_var('HTTP_REFERER'),
126 
				PHP_URL_SCHEME) . '://' . parse_url($this->get_server_var('HTTP_REFERER'),
127 
				PHP_URL_HOST) . '/', // Trailing slash to not match subdomains by mistake
128 
				'/' // preg_quote delimiter param
129 
				) . '/',
130 
			// Enable to provide file downloads via GET requests to the PHP script:
131 
			//     1. Set to 1 to download files via readfile method through PHP
132 
			//     2. Set to 2 to send a X-Sendfile header for lighttpd/Apache
133 
			//     3. Set to 3 to send a X-Accel-Redirect header for nginx
134 
			// If set to 2 or 3, adjust the upload_url option to the base path of
135 
			// the redirect parameter, e.g. '/files/'.
136 
			'download_via_php' => false,
137 
			// Read files in chunks to avoid memory limits when download_via_php
138 
			// is enabled, set to 0 to disable chunked reading of files:
139 
			'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB
140 
			// Defines which files can be displayed inline when downloaded:
2130 lars 141 
			'inline_file_types' => '/\.(gif|jpe?g|png|svg)$/i',
2121 lars 142 
			// Defines which files (based on their names) are accepted for upload:
143 
			'accept_file_types' => '/.+$/i',
144 
			// The php.ini settings upload_max_filesize and post_max_size
145 
			// take precedence over the following max_file_size setting:
146 
			'max_file_size' => null,
147 
			'min_file_size' => 1,
148 
			// The maximum number of files for the upload directory:
149 
			'max_number_of_files' => null,
150 
			// Defines which files are handled as image files:
151 
			'image_file_types' => '/\.(gif|jpe?g|png)$/i',
152 
			// Use exif_imagetype on all files to correct file extensions:
153 
			'correct_image_extensions' => false,
154 
			// Image resolution restrictions:
155 
			'max_width' => null,
156 
			'max_height' => null,
157 
			'min_width' => 1,
158 
			'min_height' => 1,
159 
			// Set the following option to false to enable resumable uploads:
160 
			'discard_aborted_uploads' => true,
161 
			// Set to 0 to use the GD library to scale and orient images,
162 
			// set to 1 to use imagick (if installed, falls back to GD),
163 
			// set to 2 to use the ImageMagick convert binary directly:
164 
			'image_library' => 1,
165 
			// Uncomment the following to define an array of resource limits
166 
			// for imagick:
167 
			/*
168 
			'imagick_resource_limits' => array(
169 
			imagick::RESOURCETYPE_MAP => 32,
170 
			imagick::RESOURCETYPE_MEMORY => 32
171 
			),
172 
			*/
173 
			// Command or path for to the ImageMagick convert binary:
174 
			'convert_bin' => 'convert',
175 
			// Uncomment the following to add parameters in front of each
176 
			// ImageMagick convert call (the limit constraints seem only
177 
			// to have an effect if put in front):
178 
			/*
179 
			'convert_params' => '-limit memory 32MiB -limit map 32MiB',
180 
			*/
181 
			// Command or path for to the ImageMagick identify binary:
182 
			'identify_bin' => 'identify',
183 
			'print_response' => true);
2130 lars 184 
		foreach ($GLOBALS["Imagedaten"] as $set) {
2121 lars 185 
			$this->options["image_versions"][$set[0]] = array(
186 
				"upload_dir" => $real_folder . $set[1] . "/",
187 
				"upload_url" => $real_url . $set[1] . "/",
188 
				"max_width" => $set[2],
189 
				"max_height" => $set[3],
190 
				);
191 
		}
2130 lars 192 
		if ($options) {
2121 lars 193 
			$this->options = $options + $this->options;
194 
		}
2130 lars 195 
		if ($error_messages) {
2121 lars 196 
			$this->error_messages = $error_messages + $this->error_messages;
197 
		}
2130 lars 198 
		if ($initialize) {
2121 lars 199 
			$this->initialize();
200 
		}
201 
	}
202 
 
203 
	protected function initialize()
204 
	{
2130 lars 205 
		switch ($this->get_server_var('REQUEST_METHOD')) {
2121 lars 206 
			case 'OPTIONS':
207 
			case 'HEAD':
208 
				$this->head();
209 
				break;
210 
			case 'GET':
211 
				$this->get($this->options['print_response']);
212 
				break;
213 
			case 'PATCH':
214 
			case 'PUT':
215 
			case 'POST':
216 
				$this->post($this->options['print_response']);
217 
				break;
218 
			case 'DELETE':
219 
				$this->delete($this->options['print_response']);
220 
				break;
221 
			default:
222 
				$this->header('HTTP/1.1 405 Method Not Allowed');
223 
		}
224 
	}
225 
 
226 
	protected function get_full_url()
227 
	{
228 
		$https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0 ||
229 
			!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_PROTO'],
230 
			'https') === 0;
231 
		return ($https ? 'https://' : 'http://') . (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] .
232 
			'@' : '') . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'] .
233 
			($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ?
234 
			'' : ':' . $_SERVER['SERVER_PORT']))) . substr($_SERVER['SCRIPT_NAME'], 0,
235 
			strrpos($_SERVER['SCRIPT_NAME'], '/'));
236 
	}
237 
 
238 
	protected function get_user_id()
239 
	{
240 
		@session_start();
241 
		return session_id();
242 
	}
243 
 
244 
	protected function get_user_path()
245 
	{
2130 lars 246 
		if ($this->options['user_dirs']) {
2121 lars 247 
			return $this->get_user_id() . '/';
248 
		}
249 
		return '';
250 
	}
251 
 
252 
	protected function get_upload_path($file_name = null, $version = null)
253 
	{
254 
		$file_name = $file_name ? $file_name : '';
2130 lars 255 
		if (empty($version)) {
2121 lars 256 
			$version_path = '';
2130 lars 257 
		} else {
2121 lars 258 
			$version_dir = @$this->options['image_versions'][$version]['upload_dir'];
2130 lars 259 
			if ($version_dir) {
2121 lars 260 
				return $version_dir . $this->get_user_path() . $file_name;
261 
			}
262 
			$version_path = $version . '/';
263 
		}
264 
		return $this->options['upload_dir'] . $this->get_user_path() . $version_path . $file_name;
265 
	}
266 
 
267 
	protected function get_query_separator($url)
268 
	{
269 
		return strpos($url, '?') === false ? '?' : '&';
270 
	}
271 
 
272 
	protected function get_download_url($file_name, $version = null, $direct = false)
273 
	{
2130 lars 274 
		if (!$direct && $this->options['download_via_php']) {
2121 lars 275 
			$url = $this->options['script_url'] . $this->get_query_separator($this->options['script_url']) .
276 
				$this->get_singular_param_name() . '=' . rawurlencode($file_name);
2130 lars 277 
			if ($version) {
2121 lars 278 
				$url .= '&version=' . rawurlencode($version);
279 
			}
280 
			return $url . '&download=1';
281 
		}
2130 lars 282 
		if (empty($version)) {
2121 lars 283 
			$version_path = '';
2130 lars 284 
		} else {
2121 lars 285 
			$version_url = @$this->options['image_versions'][$version]['upload_url'];
2130 lars 286 
			if ($version_url) {
2121 lars 287 
				return $version_url . $this->get_user_path() . rawurlencode($file_name);
288 
			}
289 
			$version_path = rawurlencode($version) . '/';
290 
		}
291 
		return $this->options['upload_url'] . $this->get_user_path() . $version_path .
292 
			rawurlencode($file_name);
293 
	}
294 
 
295 
	protected function set_additional_file_properties($file)
296 
	{
297 
		$file->deleteUrl = $this->options['script_url'] . $this->get_query_separator($this->
298 
			options['script_url']) . $this->get_singular_param_name() . '=' . rawurlencode($file->
299 
			name);
300 
		$file->deleteType = $this->options['delete_type'];
2130 lars 301 
		if ($file->deleteType !== 'DELETE') {
2121 lars 302 
			$file->deleteUrl .= '&_method=DELETE';
303 
		}
2132 lars 304 
		trigger_error($file->deleteUrl);
2130 lars 305 
		if ($this->options['access_control_allow_credentials']) {
2121 lars 306 
			$file->deleteWithCredentials = true;
307 
		}
308 
	}
309 
 
310 
	// Fix for overflowing signed 32 bit integers,
311 
	// works for sizes up to 2^32-1 bytes (4 GiB - 1):
312 
	protected function fix_integer_overflow($size)
313 
	{
2130 lars 314 
		if ($size < 0) {
2121 lars 315 
			$size += 2.0 * (PHP_INT_MAX + 1);
316 
		}
317 
		return $size;
318 
	}
319 
 
320 
	protected function get_file_size($file_path, $clear_stat_cache = false)
321 
	{
2130 lars 322 
		if ($clear_stat_cache) {
323 
			if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
2121 lars 324 
				clearstatcache(true, $file_path);
2130 lars 325 
			} else {
2121 lars 326 
				clearstatcache();
327 
			}
328 
		}
329 
		return $this->fix_integer_overflow(filesize($file_path));
330 
	}
331 
 
332 
	protected function is_valid_file_object($file_name)
333 
	{
334 
		$file_path = $this->get_upload_path($file_name);
2130 lars 335 
		if (is_file($file_path) && $file_name[0] !== '.') {
2121 lars 336 
			return true;
337 
		}
338 
		return false;
339 
	}
340 
 
341 
	protected function get_file_object($file_name)
342 
	{
2130 lars 343 
		if ($this->is_valid_file_object($file_name)) {
2121 lars 344 
			$file = new \stdClass();
345 
			$file->name = $file_name;
346 
			$file->size = $this->get_file_size($this->get_upload_path($file_name));
347 
			$file->url = $this->get_download_url($file->name);
2130 lars 348 
			foreach ($this->options['image_versions'] as $version => $options) {
349 
				if (!empty($version)) {
350 
					if (is_file($this->get_upload_path($file_name, $version))) {
2121 lars 351 
						$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
352 
					}
353 
				}
354 
			}
355 
			$this->set_additional_file_properties($file);
356 
			return $file;
357 
		}
358 
		return null;
359 
	}
360 
 
361 
	protected function get_file_objects($iteration_method = 'get_file_object')
362 
	{
363 
		$upload_dir = $this->get_upload_path();
2130 lars 364 
		if (!is_dir($upload_dir)) {
2121 lars 365 
			return array();
366 
		}
367 
		return array_values(array_filter(array_map(array($this, $iteration_method),
368 
			scandir($upload_dir))));
369 
	}
370 
 
371 
	protected function count_file_objects()
372 
	{
373 
		return count($this->get_file_objects('is_valid_file_object'));
374 
	}
375 
 
376 
	protected function get_error_message($error)
377 
	{
378 
		return isset($this->error_messages[$error]) ? $this->error_messages[$error] : $error;
379 
	}
380 
 
381 
	public function get_config_bytes($val)
382 
	{
383 
		$val = trim($val);
384 
		$last = strtolower($val[strlen($val) - 1]);
385 
		$val = (int)$val;
2130 lars 386 
		switch ($last) {
2121 lars 387 
			case 'g':
388 
				$val *= 1024;
389 
			case 'm':
390 
				$val *= 1024;
391 
			case 'k':
392 
				$val *= 1024;
393 
		}
394 
		return $this->fix_integer_overflow($val);
395 
	}
396 
 
397 
	protected function validate($uploaded_file, $file, $error, $index)
398 
	{
2130 lars 399 
		if ($error) {
2121 lars 400 
			$file->error = $this->get_error_message($error);
401 
			return false;
402 
		}
403 
		$content_length = $this->fix_integer_overflow((int)$this->get_server_var('CONTENT_LENGTH'));
404 
		$post_max_size = $this->get_config_bytes(ini_get('post_max_size'));
2130 lars 405 
		if ($post_max_size && ($content_length > $post_max_size)) {
2121 lars 406 
			$file->error = $this->get_error_message('post_max_size');
407 
			return false;
408 
		}
2130 lars 409 
		if (!preg_match($this->options['accept_file_types'], $file->name)) {
2121 lars 410 
			$file->error = $this->get_error_message('accept_file_types');
411 
			return false;
412 
		}
2130 lars 413 
		if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 414 
			$file_size = $this->get_file_size($uploaded_file);
2130 lars 415 
		} else {
2121 lars 416 
			$file_size = $content_length;
417 
		}
418 
		if ($this->options['max_file_size'] && ($file_size > $this->options['max_file_size'] ||
2130 lars 419 
			$file->size > $this->options['max_file_size'])) {
2121 lars 420 
			$file->error = $this->get_error_message('max_file_size');
421 
			return false;
422 
		}
2130 lars 423 
		if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) {
2121 lars 424 
			$file->error = $this->get_error_message('min_file_size');
425 
			return false;
426 
		}
427 
		if (is_int($this->options['max_number_of_files']) && ($this->count_file_objects
428 
			() >= $this->options['max_number_of_files']) &&
429 
			// Ignore additional chunks of existing files:
2130 lars 430 
			!is_file($this->get_upload_path($file->name))) {
2121 lars 431 
			$file->error = $this->get_error_message('max_number_of_files');
432 
			return false;
433 
		}
434 
		$max_width = @$this->options['max_width'];
435 
		$max_height = @$this->options['max_height'];
436 
		$min_width = @$this->options['min_width'];
437 
		$min_height = @$this->options['min_height'];
438 
		if (($max_width || $max_height || $min_width || $min_height) && preg_match($this->
2130 lars 439 
			options['image_file_types'], $file->name)) {
2121 lars 440 
			list($img_width, $img_height) = $this->get_image_size($uploaded_file);
441 
 
442 
			// If we are auto rotating the image by default, do the checks on
443 
			// the correct orientation
444 
			if (@$this->options['image_versions']['']['auto_orient'] && function_exists('exif_read_data') &&
2130 lars 445 
				($exif = @exif_read_data($uploaded_file)) && (((int)@$exif['Orientation']) >= 5)) {
2121 lars 446 
				$tmp = $img_width;
447 
				$img_width = $img_height;
448 
				$img_height = $tmp;
449 
				unset($tmp);
450 
			}
451 
 
452 
		}
2130 lars 453 
		if (!empty($img_width)) {
454 
			if ($max_width && $img_width > $max_width) {
2121 lars 455 
				$file->error = $this->get_error_message('max_width');
456 
				return false;
457 
			}
2130 lars 458 
			if ($max_height && $img_height > $max_height) {
2121 lars 459 
				$file->error = $this->get_error_message('max_height');
460 
				return false;
461 
			}
2130 lars 462 
			if ($min_width && $img_width < $min_width) {
2121 lars 463 
				$file->error = $this->get_error_message('min_width');
464 
				return false;
465 
			}
2130 lars 466 
			if ($min_height && $img_height < $min_height) {
2121 lars 467 
				$file->error = $this->get_error_message('min_height');
468 
				return false;
469 
			}
470 
		}
471 
		return true;
472 
	}
473 
 
474 
	protected function upcount_name_callback($matches)
475 
	{
476 
		$index = isset($matches[1]) ? ((int)$matches[1]) + 1 : 1;
477 
		$ext = isset($matches[2]) ? $matches[2] : '';
478 
		return ' (' . $index . ')' . $ext;
479 
	}
480 
 
481 
	protected function upcount_name($name)
482 
	{
483 
		return preg_replace_callback('/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/', array($this,
484 
				'upcount_name_callback'), $name, 1);
485 
	}
486 
 
487 
	protected function get_unique_filename($file_path, $name, $size, $type, $error,
488 
		$index, $content_range)
489 
	{
2130 lars 490 
		while (is_dir($this->get_upload_path($name))) {
2121 lars 491 
			$name = $this->upcount_name($name);
492 
		}
493 
		// Keep an existing filename if this is part of a chunked upload:
494 
		$uploaded_bytes = $this->fix_integer_overflow((int)$content_range[1]);
2130 lars 495 
		while (is_file($this->get_upload_path($name))) {
496 
			if ($uploaded_bytes === $this->get_file_size($this->get_upload_path($name))) {
2121 lars 497 
				break;
498 
			}
499 
			$name = $this->upcount_name($name);
500 
		}
501 
		return $name;
502 
	}
503 
 
504 
	protected function fix_file_extension($file_path, $name, $size, $type, $error, $index,
505 
		$content_range)
506 
	{
507 
		// Add missing file extension for known image types:
508 
		if (strpos($name, '.') === false && preg_match('/^image\/(gif|jpe?g|png)/', $type,
2130 lars 509 
			$matches)) {
2121 lars 510 
			$name .= '.' . $matches[1];
511 
		}
2130 lars 512 
		if ($this->options['correct_image_extensions'] && function_exists('exif_imagetype')) {
513 
			switch (@exif_imagetype($file_path)) {
2121 lars 514 
				case IMAGETYPE_JPEG:
515 
					$extensions = array('jpg', 'jpeg');
516 
					break;
517 
				case IMAGETYPE_PNG:
518 
					$extensions = array('png');
519 
					break;
520 
				case IMAGETYPE_GIF:
521 
					$extensions = array('gif');
522 
					break;
523 
			}
524 
			// Adjust incorrect image file extensions:
2130 lars 525 
			if (!empty($extensions)) {
2121 lars 526 
				$parts = explode('.', $name);
527 
				$extIndex = count($parts) - 1;
528 
				$ext = strtolower(@$parts[$extIndex]);
2130 lars 529 
				if (!in_array($ext, $extensions)) {
2121 lars 530 
					$parts[$extIndex] = $extensions[0];
531 
					$name = implode('.', $parts);
532 
				}
533 
			}
534 
		}
535 
		return $name;
536 
	}
537 
 
538 
	protected function trim_file_name($file_path, $name, $size, $type, $error, $index,
539 
		$content_range)
540 
	{
541 
		// Remove path information and dots around the filename, to prevent uploading
542 
		// into different directories or replacing hidden system files.
543 
		// Also remove control characters and spaces (\x00..\x20) around the filename:
544 
		$name = trim($this->basename(stripslashes($name)), ".\x00..\x20");
545 
		// Use a timestamp for empty filenames:
2130 lars 546 
		if (!$name) {
2121 lars 547 
			$name = str_replace('.', '-', microtime(true));
548 
		}
549 
		return $name;
550 
	}
551 
 
552 
	protected function get_file_name($file_path, $name, $size, $type, $error, $index,
553 
		$content_range)
554 
	{
555 
		$name = $this->trim_file_name($file_path, $name, $size, $type, $error, $index, $content_range);
556 
		return $this->get_unique_filename($file_path, $this->fix_file_extension($file_path,
557 
			$name, $size, $type, $error, $index, $content_range), $size, $type, $error, $index,
558 
			$content_range);
559 
	}
560 
 
561 
	protected function get_scaled_image_file_paths($file_name, $version)
562 
	{
563 
		$file_path = $this->get_upload_path($file_name);
2130 lars 564 
		if (!empty($version)) {
2121 lars 565 
			$version_dir = $this->get_upload_path(null, $version);
2130 lars 566 
			if (!is_dir($version_dir)) {
2121 lars 567 
				mkdir($version_dir, $this->options['mkdir_mode'], true);
568 
			}
569 
			$new_file_path = $version_dir . '/' . $file_name;
2130 lars 570 
		} else {
2121 lars 571 
			$new_file_path = $file_path;
572 
		}
573 
		return array($file_path, $new_file_path);
574 
	}
575 
 
576 
	protected function gd_get_image_object($file_path, $func, $no_cache = false)
577 
	{
2130 lars 578 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 579 
			$this->gd_destroy_image_object($file_path);
580 
			$this->image_objects[$file_path] = $func($file_path);
581 
		}
582 
		return $this->image_objects[$file_path];
583 
	}
584 
 
585 
	protected function gd_set_image_object($file_path, $image)
586 
	{
587 
		$this->gd_destroy_image_object($file_path);
588 
		$this->image_objects[$file_path] = $image;
589 
	}
590 
 
591 
	protected function gd_destroy_image_object($file_path)
592 
	{
593 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
594 
		return $image && imagedestroy($image);
595 
	}
596 
 
597 
	protected function gd_imageflip($image, $mode)
598 
	{
2130 lars 599 
		if (function_exists('imageflip')) {
2121 lars 600 
			return imageflip($image, $mode);
601 
		}
602 
		$new_width = $src_width = imagesx($image);
603 
		$new_height = $src_height = imagesy($image);
604 
		$new_img = imagecreatetruecolor($new_width, $new_height);
605 
		$src_x = 0;
606 
		$src_y = 0;
2130 lars 607 
		switch ($mode) {
2121 lars 608 
			case '1': // flip on the horizontal axis
609 
				$src_y = $new_height - 1;
610 
				$src_height = -$new_height;
611 
				break;
612 
			case '2': // flip on the vertical axis
613 
				$src_x = $new_width - 1;
614 
				$src_width = -$new_width;
615 
				break;
616 
			case '3': // flip on both axes
617 
				$src_y = $new_height - 1;
618 
				$src_height = -$new_height;
619 
				$src_x = $new_width - 1;
620 
				$src_width = -$new_width;
621 
				break;
622 
			default:
623 
				return $image;
624 
		}
625 
		imagecopyresampled($new_img, $image, 0, 0, $src_x, $src_y, $new_width, $new_height,
626 
			$src_width, $src_height);
627 
		return $new_img;
628 
	}
629 
 
630 
	protected function gd_orient_image($file_path, $src_img)
631 
	{
2130 lars 632 
		if (!function_exists('exif_read_data')) {
2121 lars 633 
			return false;
634 
		}
635 
		$exif = @exif_read_data($file_path);
2130 lars 636 
		if ($exif === false) {
2121 lars 637 
			return false;
638 
		}
639 
		$orientation = (int)@$exif['Orientation'];
2130 lars 640 
		if ($orientation < 2 || $orientation > 8) {
2121 lars 641 
			return false;
642 
		}
2130 lars 643 
		switch ($orientation) {
2121 lars 644 
			case 2:
645 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
646 
					IMG_FLIP_VERTICAL : 2);
647 
				break;
648 
			case 3:
649 
				$new_img = imagerotate($src_img, 180, 0);
650 
				break;
651 
			case 4:
652 
				$new_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
653 
					IMG_FLIP_HORIZONTAL : 1);
654 
				break;
655 
			case 5:
656 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_HORIZONTAL') ?
657 
					IMG_FLIP_HORIZONTAL : 1);
658 
				$new_img = imagerotate($tmp_img, 270, 0);
659 
				imagedestroy($tmp_img);
660 
				break;
661 
			case 6:
662 
				$new_img = imagerotate($src_img, 270, 0);
663 
				break;
664 
			case 7:
665 
				$tmp_img = $this->gd_imageflip($src_img, defined('IMG_FLIP_VERTICAL') ?
666 
					IMG_FLIP_VERTICAL : 2);
667 
				$new_img = imagerotate($tmp_img, 270, 0);
668 
				imagedestroy($tmp_img);
669 
				break;
670 
			case 8:
671 
				$new_img = imagerotate($src_img, 90, 0);
672 
				break;
673 
			default:
674 
				return false;
675 
		}
676 
		$this->gd_set_image_object($file_path, $new_img);
677 
		return true;
678 
	}
679 
 
680 
	protected function gd_create_scaled_image($file_name, $version, $options)
681 
	{
2130 lars 682 
		if (!function_exists('imagecreatetruecolor')) {
2121 lars 683 
			error_log('Function not found: imagecreatetruecolor');
684 
			return false;
685 
		}
686 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
687 
			$version);
688 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 689 
		switch ($type) {
2121 lars 690 
			case 'jpg':
691 
			case 'jpeg':
692 
				$src_func = 'imagecreatefromjpeg';
693 
				$write_func = 'imagejpeg';
694 
				$image_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75;
695 
				break;
696 
			case 'gif':
697 
				$src_func = 'imagecreatefromgif';
698 
				$write_func = 'imagegif';
699 
				$image_quality = null;
700 
				break;
701 
			case 'png':
702 
				$src_func = 'imagecreatefrompng';
703 
				$write_func = 'imagepng';
704 
				$image_quality = isset($options['png_quality']) ? $options['png_quality'] : 9;
705 
				break;
706 
			default:
707 
				return false;
708 
		}
709 
		$src_img = $this->gd_get_image_object($file_path, $src_func, !empty($options['no_cache']));
710 
		$image_oriented = false;
2130 lars 711 
		if (!empty($options['auto_orient']) && $this->gd_orient_image($file_path, $src_img)) {
2121 lars 712 
			$image_oriented = true;
713 
			$src_img = $this->gd_get_image_object($file_path, $src_func);
714 
		}
715 
		$max_width = $img_width = imagesx($src_img);
716 
		$max_height = $img_height = imagesy($src_img);
2130 lars 717 
		if (!empty($options['max_width'])) {
2121 lars 718 
			$max_width = $options['max_width'];
719 
		}
2130 lars 720 
		if (!empty($options['max_height'])) {
2121 lars 721 
			$max_height = $options['max_height'];
722 
		}
723 
		$scale = min($max_width / $img_width, $max_height / $img_height);
2130 lars 724 
		if ($scale >= 1) {
725 
			if ($image_oriented) {
2121 lars 726 
				return $write_func($src_img, $new_file_path, $image_quality);
727 
			}
2130 lars 728 
			if ($file_path !== $new_file_path) {
2121 lars 729 
				return copy($file_path, $new_file_path);
730 
			}
731 
			return true;
732 
		}
2130 lars 733 
		if (empty($options['crop'])) {
2121 lars 734 
			$new_width = $img_width * $scale;
735 
			$new_height = $img_height * $scale;
736 
			$dst_x = 0;
737 
			$dst_y = 0;
738 
			$new_img = imagecreatetruecolor($new_width, $new_height);
2130 lars 739 
		} else {
740 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 741 
				$new_width = $img_width / ($img_height / $max_height);
742 
				$new_height = $max_height;
2130 lars 743 
			} else {
2121 lars 744 
				$new_width = $max_width;
745 
				$new_height = $img_height / ($img_width / $max_width);
746 
			}
747 
			$dst_x = 0 - ($new_width - $max_width) / 2;
748 
			$dst_y = 0 - ($new_height - $max_height) / 2;
749 
			$new_img = imagecreatetruecolor($max_width, $max_height);
750 
		}
751 
		// Handle transparency in GIF and PNG images:
2130 lars 752 
		switch ($type) {
2121 lars 753 
			case 'gif':
754 
			case 'png':
755 
				imagecolortransparent($new_img, imagecolorallocate($new_img, 0, 0, 0));
756 
			case 'png':
757 
				imagealphablending($new_img, false);
758 
				imagesavealpha($new_img, true);
759 
				break;
760 
		}
761 
		$success = imagecopyresampled($new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width,
762 
			$new_height, $img_width, $img_height) && $write_func($new_img, $new_file_path, $image_quality);
763 
		$this->gd_set_image_object($file_path, $new_img);
764 
		return $success;
765 
	}
766 
 
767 
	protected function imagick_get_image_object($file_path, $no_cache = false)
768 
	{
2130 lars 769 
		if (empty($this->image_objects[$file_path]) || $no_cache) {
2121 lars 770 
			$this->imagick_destroy_image_object($file_path);
771 
			$image = new \Imagick();
2130 lars 772 
			if (!empty($this->options['imagick_resource_limits'])) {
773 
				foreach ($this->options['imagick_resource_limits'] as $type => $limit) {
2121 lars 774 
					$image->setResourceLimit($type, $limit);
775 
				}
776 
			}
777 
			$image->readImage($file_path);
778 
			$this->image_objects[$file_path] = $image;
779 
		}
780 
		return $this->image_objects[$file_path];
781 
	}
782 
 
783 
	protected function imagick_set_image_object($file_path, $image)
784 
	{
785 
		$this->imagick_destroy_image_object($file_path);
786 
		$this->image_objects[$file_path] = $image;
787 
	}
788 
 
789 
	protected function imagick_destroy_image_object($file_path)
790 
	{
791 
		$image = (isset($this->image_objects[$file_path])) ? $this->image_objects[$file_path] : null;
792 
		return $image && $image->destroy();
793 
	}
794 
 
795 
	protected function imagick_orient_image($image)
796 
	{
797 
		$orientation = $image->getImageOrientation();
798 
		$background = new \ImagickPixel('none');
2130 lars 799 
		switch ($orientation) {
2121 lars 800 
			case \imagick::ORIENTATION_TOPRIGHT: // 2
801 
				$image->flopImage(); // horizontal flop around y-axis
802 
				break;
803 
			case \imagick::ORIENTATION_BOTTOMRIGHT: // 3
804 
				$image->rotateImage($background, 180);
805 
				break;
806 
			case \imagick::ORIENTATION_BOTTOMLEFT: // 4
807 
				$image->flipImage(); // vertical flip around x-axis
808 
				break;
809 
			case \imagick::ORIENTATION_LEFTTOP: // 5
810 
				$image->flopImage(); // horizontal flop around y-axis
811 
				$image->rotateImage($background, 270);
812 
				break;
813 
			case \imagick::ORIENTATION_RIGHTTOP: // 6
814 
				$image->rotateImage($background, 90);
815 
				break;
816 
			case \imagick::ORIENTATION_RIGHTBOTTOM: // 7
817 
				$image->flipImage(); // vertical flip around x-axis
818 
				$image->rotateImage($background, 270);
819 
				break;
820 
			case \imagick::ORIENTATION_LEFTBOTTOM: // 8
821 
				$image->rotateImage($background, 270);
822 
				break;
823 
			default:
824 
				return false;
825 
		}
826 
		$image->setImageOrientation(\imagick::ORIENTATION_TOPLEFT); // 1
827 
		return true;
828 
	}
829 
 
830 
	protected function imagick_create_scaled_image($file_name, $version, $options)
831 
	{
832 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
833 
			$version);
834 
		$image = $this->imagick_get_image_object($file_path, !empty($options['crop']) ||
835 
			!empty($options['no_cache']));
2130 lars 836 
		if ($image->getImageFormat() === 'GIF') {
2121 lars 837 
			// Handle animated GIFs:
838 
			$images = $image->coalesceImages();
2130 lars 839 
			foreach ($images as $frame) {
2121 lars 840 
				$image = $frame;
841 
				$this->imagick_set_image_object($file_name, $image);
842 
				break;
843 
			}
844 
		}
845 
		$image_oriented = false;
2130 lars 846 
		if (!empty($options['auto_orient'])) {
2121 lars 847 
			$image_oriented = $this->imagick_orient_image($image);
848 
		}
849 
		$new_width = $max_width = $img_width = $image->getImageWidth();
850 
		$new_height = $max_height = $img_height = $image->getImageHeight();
2130 lars 851 
		if (!empty($options['max_width'])) {
2121 lars 852 
			$new_width = $max_width = $options['max_width'];
853 
		}
2130 lars 854 
		if (!empty($options['max_height'])) {
2121 lars 855 
			$new_height = $max_height = $options['max_height'];
856 
		}
857 
		$image_strip = false;
2130 lars 858 
		if (!empty($options["strip"])) {
2121 lars 859 
			$image_strip = $options["strip"];
860 
		}
861 
		if (!$image_oriented && ($max_width >= $img_width) && ($max_height >= $img_height) &&
2130 lars 862 
			!$image_strip && empty($options["jpeg_quality"])) {
863 
			if ($file_path !== $new_file_path) {
2121 lars 864 
				return copy($file_path, $new_file_path);
865 
			}
866 
			return true;
867 
		}
868 
		$crop = !empty($options['crop']);
2130 lars 869 
		if ($crop) {
2121 lars 870 
			$x = 0;
871 
			$y = 0;
2130 lars 872 
			if (($img_width / $img_height) >= ($max_width / $max_height)) {
2121 lars 873 
				$new_width = 0; // Enables proportional scaling based on max_height
874 
				$x = ($img_width / ($img_height / $max_height) - $max_width) / 2;
2130 lars 875 
			} else {
2121 lars 876 
				$new_height = 0; // Enables proportional scaling based on max_width
877 
				$y = ($img_height / ($img_width / $max_width) - $max_height) / 2;
878 
			}
879 
		}
880 
		$success = $image->resizeImage($new_width, $new_height, isset($options['filter']) ?
881 
			$options['filter'] : \imagick::FILTER_LANCZOS, isset($options['blur']) ? $options['blur'] :
882 
			1, $new_width && $new_height // fit image into constraints if not to be cropped
883 
			);
2130 lars 884 
		if ($success && $crop) {
2121 lars 885 
			$success = $image->cropImage($max_width, $max_height, $x, $y);
2130 lars 886 
			if ($success) {
2121 lars 887 
				$success = $image->setImagePage($max_width, $max_height, 0, 0);
888 
			}
889 
		}
890 
		$type = strtolower(substr(strrchr($file_name, '.'), 1));
2130 lars 891 
		switch ($type) {
2121 lars 892 
			case 'jpg':
893 
			case 'jpeg':
2130 lars 894 
				if (!empty($options['jpeg_quality'])) {
2121 lars 895 
					$image->setImageCompression(\imagick::COMPRESSION_JPEG);
896 
					$image->setImageCompressionQuality($options['jpeg_quality']);
897 
				}
898 
				break;
899 
		}
2130 lars 900 
		if ($image_strip) {
2121 lars 901 
			$image->stripImage();
902 
		}
903 
		return $success && $image->writeImage($new_file_path);
904 
	}
905 
 
906 
	protected function imagemagick_create_scaled_image($file_name, $version, $options)
907 
	{
908 
		list($file_path, $new_file_path) = $this->get_scaled_image_file_paths($file_name,
909 
			$version);
910 
		$resize = @$options['max_width'] . (empty($options['max_height']) ? '' : 'X' . $options['max_height']);
2130 lars 911 
		if (!$resize && empty($options['auto_orient'])) {
912 
			if ($file_path !== $new_file_path) {
2121 lars 913 
				return copy($file_path, $new_file_path);
914 
			}
915 
			return true;
916 
		}
917 
		$cmd = $this->options['convert_bin'];
2130 lars 918 
		if (!empty($this->options['convert_params'])) {
2121 lars 919 
			$cmd .= ' ' . $this->options['convert_params'];
920 
		}
921 
		$cmd .= ' ' . escapeshellarg($file_path);
2130 lars 922 
		if (!empty($options['auto_orient'])) {
2121 lars 923 
			$cmd .= ' -auto-orient';
924 
		}
2130 lars 925 
		if ($resize) {
2121 lars 926 
			// Handle animated GIFs:
927 
			$cmd .= ' -coalesce';
2130 lars 928 
			if (empty($options['crop'])) {
2121 lars 929 
				$cmd .= ' -resize ' . escapeshellarg($resize . '>');
2130 lars 930 
			} else {
2121 lars 931 
				$cmd .= ' -resize ' . escapeshellarg($resize . '^');
932 
				$cmd .= ' -gravity center';
933 
				$cmd .= ' -crop ' . escapeshellarg($resize . '+0+0');
934 
			}
935 
			// Make sure the page dimensions are correct (fixes offsets of animated GIFs):
936 
			$cmd .= ' +repage';
937 
		}
2130 lars 938 
		if (!empty($options['convert_params'])) {
2121 lars 939 
			$cmd .= ' ' . $options['convert_params'];
940 
		}
941 
		$cmd .= ' ' . escapeshellarg($new_file_path);
942 
		exec($cmd, $output, $error);
2130 lars 943 
		if ($error) {
2121 lars 944 
			error_log(implode('\n', $output));
945 
			return false;
946 
		}
947 
		return true;
948 
	}
949 
 
950 
	protected function get_image_size($file_path)
951 
	{
2130 lars 952 
		if ($this->options['image_library']) {
953 
			if (extension_loaded('imagick')) {
2121 lars 954 
				$image = new \Imagick();
2130 lars 955 
				try {
956 
					if (@$image->pingImage($file_path)) {
2121 lars 957 
						$dimensions = array($image->getImageWidth(), $image->getImageHeight());
958 
						$image->destroy();
959 
						return $dimensions;
960 
					}
961 
					return false;
962 
				}
2130 lars 963 
				catch (\Exception $e) {
2121 lars 964 
					error_log($e->getMessage());
965 
				}
966 
			}
2130 lars 967 
			if ($this->options['image_library'] === 2) {
2121 lars 968 
				$cmd = $this->options['identify_bin'];
969 
				$cmd .= ' -ping ' . escapeshellarg($file_path);
970 
				exec($cmd, $output, $error);
2130 lars 971 
				if (!$error && !empty($output)) {
2121 lars 972 
					// image.jpg JPEG 1920x1080 1920x1080+0+0 8-bit sRGB 465KB 0.000u 0:00.000
973 
					$infos = preg_split('/\s+/', substr($output[0], strlen($file_path)));
974 
					$dimensions = preg_split('/x/', $infos[2]);
975 
					return $dimensions;
976 
				}
977 
				return false;
978 
			}
979 
		}
2130 lars 980 
		if (!function_exists('getimagesize')) {
2121 lars 981 
			error_log('Function not found: getimagesize');
982 
			return false;
983 
		}
984 
		return @getimagesize($file_path);
985 
	}
986 
 
987 
	protected function create_scaled_image($file_name, $version, $options)
988 
	{
2130 lars 989 
		if ($this->options['image_library'] === 2) {
2121 lars 990 
			return $this->imagemagick_create_scaled_image($file_name, $version, $options);
991 
		}
2130 lars 992 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 993 
			return $this->imagick_create_scaled_image($file_name, $version, $options);
994 
		}
995 
		return $this->gd_create_scaled_image($file_name, $version, $options);
996 
	}
997 
 
998 
	protected function destroy_image_object($file_path)
999 
	{
2130 lars 1000 
		if ($this->options['image_library'] && extension_loaded('imagick')) {
2121 lars 1001 
			return $this->imagick_destroy_image_object($file_path);
1002 
		}
1003 
	}
1004 
 
1005 
	protected function is_valid_image_file($file_path)
1006 
	{
2130 lars 1007 
		if (!preg_match($this->options['image_file_types'], $file_path)) {
2121 lars 1008 
			return false;
1009 
		}
2130 lars 1010 
		if (function_exists('exif_imagetype')) {
2121 lars 1011 
			return @exif_imagetype($file_path);
1012 
		}
1013 
		$image_info = $this->get_image_size($file_path);
1014 
		return $image_info && $image_info[0] && $image_info[1];
1015 
	}
1016 
 
1017 
	protected function handle_image_file($file_path, $file)
1018 
	{
1019 
		$failed_versions = array();
2130 lars 1020 
		foreach ($this->options['image_versions'] as $version => $options) {
1021 
			if ($this->create_scaled_image($file->name, $version, $options)) {
1022 
				if (!empty($version)) {
2121 lars 1023 
					$file->{$version . 'Url'} = $this->get_download_url($file->name, $version);
2130 lars 1024 
				} else {
2121 lars 1025 
					$file->size = $this->get_file_size($file_path, true);
1026 
				}
2130 lars 1027 
			} else {
2121 lars 1028 
				$failed_versions[] = $version ? $version : 'original';
1029 
			}
1030 
		}
2130 lars 1031 
		if (count($failed_versions)) {
2121 lars 1032 
			$file->error = $this->get_error_message('image_resize') . ' (' . implode($failed_versions,
1033 
				', ') . ')';
1034 
		}
1035 
		// Free memory:
1036 
		$this->destroy_image_object($file_path);
1037 
	}
1038 
 
1039 
	protected function handle_file_upload($uploaded_file, $name, $size, $type, $error,
1040 
		$index = null, $content_range = null)
1041 
	{
1042 
		$file = new \stdClass();
1043 
		$file->name = $this->get_file_name($uploaded_file, $name, $size, $type, $error,
1044 
			$index, $content_range);
1045 
		$file->size = $this->fix_integer_overflow((int)$size);
1046 
		$file->type = $type;
2130 lars 1047 
		if ($this->validate($uploaded_file, $file, $error, $index)) {
2121 lars 1048 
			$this->handle_form_data($file, $index);
1049 
			$upload_dir = $this->get_upload_path();
2130 lars 1050 
			if (!is_dir($upload_dir)) {
2121 lars 1051 
				mkdir($upload_dir, $this->options['mkdir_mode'], true);
1052 
			}
1053 
			$file_path = $this->get_upload_path($file->name);
1054 
			$append_file = $content_range && is_file($file_path) && $file->size > $this->
1055 
				get_file_size($file_path);
2130 lars 1056 
			if ($uploaded_file && is_uploaded_file($uploaded_file)) {
2121 lars 1057 
				// multipart/formdata uploads (POST method uploads)
2130 lars 1058 
				if ($append_file) {
2121 lars 1059 
					file_put_contents($file_path, fopen($uploaded_file, 'r'), FILE_APPEND);
2130 lars 1060 
				} else {
2121 lars 1061 
					move_uploaded_file($uploaded_file, $file_path);
1062 
				}
2130 lars 1063 
			} else {
2121 lars 1064 
				// Non-multipart uploads (PUT method support)
1065 
				file_put_contents($file_path, fopen($this->options['input_stream'], 'r'), $append_file ?
1066 
					FILE_APPEND : 0);
1067 
			}
1068 
			$file_size = $this->get_file_size($file_path, $append_file);
2130 lars 1069 
			$videos = array(
1070 
				"wmf",
1071 
				"flv",
1072 
				"swf",
1073 
				);
1074 
			$docs = array(
1075 
				"pdf",
1076 
				"doc",
1077 
				"docx",
1078 
				"xls",
1079 
				"xlsx",
1080 
				);
1081 
			if ($file_size === $file->size) {
1082 
				$mt = mime_content_type($file_path);
1083 
				$info = pathinfo($file_path);
1084 
				$ext = strtolower($info["extension"]);
2134 lars 1085 
				$file->url = $this->get_download_url($file->name);
2130 lars 1086 
				$typ = 4;
2134 lars 1087 
				if ($this->is_valid_image_file($file_path)) {
2130 lars 1088 
					$typ = 1;
2134 lars 1089 
					$this->handle_image_file($file_path, $file);
2130 lars 1090 
				} elseif (in_array($ext, $docs)) {
1091 
					$typ = 2;
1092 
				} elseif (in_array($ext, $videos)) {
1093 
					$typ = 3;
1094 
				}
1095 
				$f = $GLOBALS["folder"];
1096 
				$sql = "INSERT INTO
1097 
                        medien
1098 
                    SET
1099 
                        name='" . $fName . "',
1100 
                        folder='" . $f . "',
1101 
                        erstellt_am=UNIX_TIMESTAMP(),
1102 
                        erstellt_von='" . $_SERVER["PHP_AUTH_USER"] . "',
1103 
                        typ=" . $typ . "
1104 
                ";
2133 lars 1105 
				//$GLOBALS["ci"]->db->query($sql);
2130 lars 1106 
			} else {
2121 lars 1107 
				$file->size = $file_size;
2130 lars 1108 
				if (!$content_range && $this->options['discard_aborted_uploads']) {
2121 lars 1109 
					unlink($file_path);
1110 
					$file->error = $this->get_error_message('abort');
1111 
				}
1112 
			}
1113 
			$this->set_additional_file_properties($file);
1114 
		}
1115 
		return $file;
1116 
	}
1117 
 
1118 
	protected function readfile($file_path)
1119 
	{
1120 
		$file_size = $this->get_file_size($file_path);
1121 
		$chunk_size = $this->options['readfile_chunk_size'];
2130 lars 1122 
		if ($chunk_size && $file_size > $chunk_size) {
2121 lars 1123 
			$handle = fopen($file_path, 'rb');
2130 lars 1124 
			while (!feof($handle)) {
2121 lars 1125 
				echo fread($handle, $chunk_size);
1126 
				@ob_flush();
1127 
				@flush();
1128 
			}
1129 
			fclose($handle);
1130 
			return $file_size;
1131 
		}
1132 
		return readfile($file_path);
1133 
	}
1134 
 
1135 
	protected function body($str)
1136 
	{
1137 
		echo $str;
1138 
	}
1139 
 
1140 
	protected function header($str)
1141 
	{
1142 
		header($str);
1143 
	}
1144 
 
1145 
	protected function get_upload_data($id)
1146 
	{
1147 
		return @$_FILES[$id];
1148 
	}
1149 
 
1150 
	protected function get_post_param($id)
1151 
	{
1152 
		return @$_POST[$id];
1153 
	}
1154 
 
1155 
	protected function get_query_param($id)
1156 
	{
1157 
		return @$_GET[$id];
1158 
	}
1159 
 
1160 
	protected function get_server_var($id)
1161 
	{
1162 
		return @$_SERVER[$id];
1163 
	}
1164 
 
1165 
	protected function handle_form_data($file, $index)
1166 
	{
1167 
		// Handle form data, e.g. $_POST['description'][$index]
1168 
	}
1169 
 
1170 
	protected function get_version_param()
1171 
	{
1172 
		return $this->basename(stripslashes($this->get_query_param('version')));
1173 
	}
1174 
 
1175 
	protected function get_singular_param_name()
1176 
	{
1177 
		return substr($this->options['param_name'], 0, -1);
1178 
	}
1179 
 
1180 
	protected function get_file_name_param()
1181 
	{
1182 
		$name = $this->get_singular_param_name();
1183 
		return $this->basename(stripslashes($this->get_query_param($name)));
1184 
	}
1185 
 
1186 
	protected function get_file_names_params()
1187 
	{
1188 
		$params = $this->get_query_param($this->options['param_name']);
2130 lars 1189 
		if (!$params) {
2121 lars 1190 
			return null;
1191 
		}
2130 lars 1192 
		foreach ($params as $key => $value) {
2121 lars 1193 
			$params[$key] = $this->basename(stripslashes($value));
1194 
		}
1195 
		return $params;
1196 
	}
1197 
 
1198 
	protected function get_file_type($file_path)
1199 
	{
2130 lars 1200 
		switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) {
2121 lars 1201 
			case 'jpeg':
1202 
			case 'jpg':
1203 
				return 'image/jpeg';
1204 
			case 'png':
1205 
				return 'image/png';
1206 
			case 'gif':
1207 
				return 'image/gif';
2130 lars 1208 
			case 'svg':
1209 
				return 'image/svg';
2121 lars 1210 
			default:
1211 
				return '';
1212 
		}
1213 
	}
1214 
 
1215 
	protected function download()
1216 
	{
2130 lars 1217 
		switch ($this->options['download_via_php']) {
2121 lars 1218 
			case 1:
1219 
				$redirect_header = null;
1220 
				break;
1221 
			case 2:
1222 
				$redirect_header = 'X-Sendfile';
1223 
				break;
1224 
			case 3:
1225 
				$redirect_header = 'X-Accel-Redirect';
1226 
				break;
1227 
			default:
1228 
				return $this->header('HTTP/1.1 403 Forbidden');
1229 
		}
1230 
		$file_name = $this->get_file_name_param();
2130 lars 1231 
		if (!$this->is_valid_file_object($file_name)) {
2121 lars 1232 
			return $this->header('HTTP/1.1 404 Not Found');
1233 
		}
2130 lars 1234 
		if ($redirect_header) {
2121 lars 1235 
			return $this->header($redirect_header . ': ' . $this->get_download_url($file_name,
1236 
				$this->get_version_param(), true));
1237 
		}
1238 
		$file_path = $this->get_upload_path($file_name, $this->get_version_param());
1239 
		// Prevent browsers from MIME-sniffing the content-type:
1240 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1241 
		if (!preg_match($this->options['inline_file_types'], $file_name)) {
2121 lars 1242 
			$this->header('Content-Type: application/octet-stream');
1243 
			$this->header('Content-Disposition: attachment; filename="' . $file_name . '"');
2130 lars 1244 
		} else {
2121 lars 1245 
			$this->header('Content-Type: ' . $this->get_file_type($file_path));
1246 
			$this->header('Content-Disposition: inline; filename="' . $file_name . '"');
1247 
		}
1248 
		$this->header('Content-Length: ' . $this->get_file_size($file_path));
1249 
		$this->header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', filemtime($file_path)));
1250 
		$this->readfile($file_path);
1251 
	}
1252 
 
1253 
	protected function send_content_type_header()
1254 
	{
1255 
		$this->header('Vary: Accept');
2130 lars 1256 
		if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) {
2121 lars 1257 
			$this->header('Content-type: application/json');
2130 lars 1258 
		} else {
2121 lars 1259 
			$this->header('Content-type: text/plain');
1260 
		}
1261 
	}
1262 
 
1263 
	protected function send_access_control_headers()
1264 
	{
1265 
		$this->header('Access-Control-Allow-Origin: ' . $this->options['access_control_allow_origin']);
1266 
		$this->header('Access-Control-Allow-Credentials: ' . ($this->options['access_control_allow_credentials'] ?
1267 
			'true' : 'false'));
1268 
		$this->header('Access-Control-Allow-Methods: ' . implode(', ', $this->options['access_control_allow_methods']));
1269 
		$this->header('Access-Control-Allow-Headers: ' . implode(', ', $this->options['access_control_allow_headers']));
1270 
	}
1271 
 
1272 
	public function generate_response($content, $print_response = true)
1273 
	{
1274 
		$this->response = $content;
2130 lars 1275 
		if ($print_response) {
2121 lars 1276 
			$json = json_encode($content);
1277 
			$redirect = stripslashes($this->get_post_param('redirect'));
2130 lars 1278 
			if ($redirect && preg_match($this->options['redirect_allow_target'], $redirect)) {
2121 lars 1279 
				$this->header('Location: ' . sprintf($redirect, rawurlencode($json)));
1280 
				return;
1281 
			}
1282 
			$this->head();
2130 lars 1283 
			if ($this->get_server_var('HTTP_CONTENT_RANGE')) {
2121 lars 1284 
				$files = isset($content[$this->options['param_name']]) ? $content[$this->
1285 
					options['param_name']] : null;
2130 lars 1286 
				if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) {
2121 lars 1287 
					$this->header('Range: 0-' . ($this->fix_integer_overflow((int)$files[0]->size) -
1288 
						1));
1289 
				}
1290 
			}
1291 
			$this->body($json);
1292 
		}
1293 
		return $content;
1294 
	}
1295 
 
1296 
	public function get_response()
1297 
	{
1298 
		return $this->response;
1299 
	}
1300 
 
1301 
	public function head()
1302 
	{
1303 
		$this->header('Pragma: no-cache');
1304 
		$this->header('Cache-Control: no-store, no-cache, must-revalidate');
1305 
		$this->header('Content-Disposition: inline; filename="files.json"');
1306 
		// Prevent Internet Explorer from MIME-sniffing the content-type:
1307 
		$this->header('X-Content-Type-Options: nosniff');
2130 lars 1308 
		if ($this->options['access_control_allow_origin']) {
2121 lars 1309 
			$this->send_access_control_headers();
1310 
		}
1311 
		$this->send_content_type_header();
1312 
	}
1313 
 
1314 
	public function get($print_response = true)
1315 
	{
2130 lars 1316 
		if ($print_response && $this->get_query_param('download')) {
2121 lars 1317 
			return $this->download();
1318 
		}
1319 
		$file_name = $this->get_file_name_param();
2130 lars 1320 
		if ($file_name) {
2121 lars 1321 
			$response = array($this->get_singular_param_name() => $this->get_file_object($file_name));
2130 lars 1322 
		} else {
2121 lars 1323 
			$response = array($this->options['param_name'] => $this->get_file_objects());
1324 
		}
1325 
		return $this->generate_response($response, $print_response);
1326 
	}
1327 
 
1328 
	public function post($print_response = true)
1329 
	{
2130 lars 1330 
		if ($this->get_query_param('_method') === 'DELETE') {
2121 lars 1331 
			return $this->delete($print_response);
1332 
		}
1333 
		$upload = $this->get_upload_data($this->options['param_name']);
1334 
		// Parse the Content-Disposition header, if available:
1335 
		$content_disposition_header = $this->get_server_var('HTTP_CONTENT_DISPOSITION');
1336 
		$file_name = $content_disposition_header ? rawurldecode(preg_replace('/(^[^"]+")|("$)/',
1337 
			'', $content_disposition_header)) : null;
1338 
		// Parse the Content-Range header, which has the following form:
1339 
		// Content-Range: bytes 0-524287/2000000
1340 
		$content_range_header = $this->get_server_var('HTTP_CONTENT_RANGE');
1341 
		$content_range = $content_range_header ? preg_split('/[^0-9]+/', $content_range_header) : null;
1342 
		$size = $content_range ? $content_range[3] : null;
1343 
		$files = array();
2130 lars 1344 
		if ($upload) {
1345 
			if (is_array($upload['tmp_name'])) {
2121 lars 1346 
				// param_name is an array identifier like "files[]",
1347 
				// $upload is a multi-dimensional array:
2130 lars 1348 
				foreach ($upload['tmp_name'] as $index => $value) {
2121 lars 1349 
					$files[] = $this->handle_file_upload($upload['tmp_name'][$index], $file_name ? $file_name :
1350 
						$upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index],
1351 
						$upload['error'][$index], $index, $content_range);
1352 
				}
2130 lars 1353 
			} else {
2121 lars 1354 
				// param_name is a single object identifier like "file",
1355 
				// $upload is a one-dimensional array:
1356 
				$files[] = $this->handle_file_upload(isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
1357 
					$file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ?
1358 
					$size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')),
1359 
					isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'),
1360 
					isset($upload['error']) ? $upload['error'] : null, null, $content_range);
1361 
			}
1362 
		}
1363 
		$response = array($this->options['param_name'] => $files);
1364 
		return $this->generate_response($response, $print_response);
1365 
	}
1366 
 
1367 
	public function delete($print_response = true)
1368 
	{
1369 
		$file_names = $this->get_file_names_params();
2130 lars 1370 
		if (empty($file_names)) {
2121 lars 1371 
			$file_names = array($this->get_file_name_param());
1372 
		}
1373 
		$response = array();
2130 lars 1374 
		foreach ($file_names as $file_name) {
2121 lars 1375 
			$file_path = $this->get_upload_path($file_name);
1376 
			$success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
2130 lars 1377 
			if ($success) {
1378 
				foreach ($this->options['image_versions'] as $version => $options) {
1379 
					if (!empty($version)) {
2121 lars 1380 
						$file = $this->get_upload_path($file_name, $version);
2130 lars 1381 
						if (is_file($file)) {
2121 lars 1382 
							unlink($file);
1383 
						}
1384 
					}
1385 
				}
1386 
			}
1387 
			$response[$file_name] = $success;
1388 
		}
1389 
		return $this->generate_response($response, $print_response);
1390 
	}
1391 
 
1392 
	protected function basename($filepath, $suffix = null)
1393 
	{
1394 
		$splited = preg_split('/\//', rtrim($filepath, '/ '));
1395 
		return substr(basename('X' . $splited[count($splited) - 1], $suffix), 1);
1396 
	}
1397 
}