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File name: html/includes/classes/cpg_file.php
Revision : 10.1 (1 year 5 month 3 week 5 day 17 hour 38 minute 21 second ago) by nanocaiordo
Changed : +8 -8 lines
Comment: Updated for E_STRICTs.

---

#	Author	Rev	Line
1	djmaze	9.1	<?php
2	djmaze	9.1	/*********************************************
3	djmaze	9.27	CPG Dragonfly™ CMS
4	djmaze	9.1	********************************************
5	nanocaio	9.39	Copyright © 2004 - 2007 by CPG-Nuke Dev Team
6	djmaze	9.32	http://dragonflycms.org
7	djmaze	9.1
8	djmaze	9.1	Dragonfly is released under the terms and conditions
9	djmaze	9.1	of the GNU GPL version 2 or any later version
10	djmaze	9.1
11	trevor	9.28	$Source: /cvs/html/includes/classes/cpg_file.php,v $
12	nanocaio	10.1	$Revision: 10.0 $
13	djmaze	10.0	$Author: djmaze $
14	nanocaio	10.1	$Date: 2010/11/05 01:03:15 $
15	djmaze	9.1	**********************************************/
16	djmaze	9.1
17	djmaze	9.1	class CPG_File {
18	djmaze	9.1
19	nanocaio	9.40	public function check_safe_mode($file) {
20	djmaze	9.27	if (ini_get('safe_mode')) {
21	djmaze	9.27	if (ini_get('safe_mode_include_dir')) {
22	djmaze	9.27	//SEE IF SAFE MODE IS SETUP CORRECTLY
23	djmaze	9.27	if (strpos(ini_get('safe_mode_include_dir'), dirname($file['tmp_name']))) {
24	djmaze	9.27	trigger_error('Safe mode is not setup properly, "'.dirname($file['tmp_name']).'" must be inside a path of the php config safe_mode_include_dir "'.ini_get('safe_mode_include_dir').'".');
25	nanocaio	9.37	//return false;
26	djmaze	9.27	}
27	djmaze	9.27	}
28	djmaze	9.27	}
29	nanocaio	9.37	//return true;
30	djmaze	9.1	/*
31	djmaze	9.27	global $cpgdebugger;
32	djmaze	9.27	if (isset($cpgdebugger->report[__FILE__])) {
33	djmaze	9.27	$last = count($cpgdebugger->report[$file])-1;
34	nanocaio	9.40	return false !== stripos($cpgdebugger->report[$file][$last], 'SAFE MODE Restriction');
35	djmaze	9.27	}
36	djmaze	9.27	return false;
37	djmaze	9.1	*/
38	djmaze	9.27	}
39	djmaze	9.1
40	nanocaio	10.1	public static function move_upload($file, $newfile) {
41	djmaze	9.27	if (!is_uploaded_file($file['tmp_name'])) {
42	djmaze	9.27	switch($file['error']) {
43	djmaze	9.27	case 1: //uploaded file exceeds the upload_max_filesize directive in php.ini
44	djmaze	9.27	trigger_error('The file you are trying to upload is too big.', E_USER_ERROR);
45	djmaze	9.27	case 2: //uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the html form
46	djmaze	9.27	trigger_error('The file you are trying to upload is too big.', E_USER_ERROR);
47	djmaze	9.27	case 3: //uploaded file was only partially uploaded
48	djmaze	9.27	trigger_error('The file you are trying upload was only partially uploaded.', E_USER_ERROR);
49	djmaze	9.27	case 4: //no file was uploaded
50	djmaze	9.27	trigger_error('No file was uploaded.', E_USER_WARNING);
51	djmaze	9.43	case 6: //introduced in 4.3.10 and 5.0.3
52	nanocaio	9.35	trigger_error('Missing a temporary folder.', E_USER_ERROR);
53	nanocaio	9.35	case 7: //introduced in 5.1.0
54	nanocaio	9.35	trigger_error('Failed to write file to disk.', E_USER_ERROR);
55	djmaze	9.27	break;
56	djmaze	9.43	case 8: //introduced in 5.2.0
57	djmaze	9.43	trigger_error('File upload stopped by extension.', E_USER_ERROR);
58	nanocaio	9.35	case 0: //no error, the file was uploaded with success
59	djmaze	9.27	default: //a default error, just in case! :)
60	djmaze	9.27	trigger_error('There was a problem with your upload.', E_USER_ERROR);
61	djmaze	9.27	break;
62	djmaze	9.27	}
63	djmaze	9.27	return false;
64	djmaze	9.27	}
65	djmaze	9.27	if (!CPG_File::analyze_path(dirname($newfile))) { return false; }
66	djmaze	9.27	if (!move_uploaded_file($file['tmp_name'], $newfile)) {
67	djmaze	9.27	if (!copy($file['tmp_name'], $newfile)) {
68	djmaze	9.27	trigger_error('Couldn\'t move the uploaded file.', E_USER_WARNING);
69	djmaze	9.27	return false;
70	djmaze	9.27	}
71	djmaze	9.27	}
72	djmaze	9.27	chmod($newfile, (PHP_AS_NOBODY ? 0666 : 0644));
73	djmaze	9.27	return true;
74	djmaze	9.27	}
75	djmaze	9.27
76	nanocaio	10.1	public static function write($filename, &$content, $mode='wb') {
77	djmaze	9.27	if (!CPG_File::analyze_path(dirname($filename))) { return false; }
78	djmaze	9.27	if (!$fp = fopen($filename, $mode)) {
79	djmaze	9.27	trigger_error("Cannot open file ($filename)", E_USER_WARNING);
80	djmaze	9.27	return false;
81	djmaze	9.27	}
82	djmaze	9.27	flock($fp, LOCK_EX);
83	djmaze	9.27	$bytes_written = fwrite($fp, $content);
84	djmaze	9.27	flock($fp, LOCK_UN);
85	djmaze	9.27	fclose($fp);
86	djmaze	9.27	if ($bytes_written === FALSE) {
87	djmaze	9.27	unlink($filename);
88	djmaze	9.27	trigger_error("Cannot write to file ($filename)", E_USER_WARNING);
89	djmaze	9.27	return false;
90	djmaze	9.27	}
91	djmaze	9.27	chmod($filename, (PHP_AS_NOBODY ? 0666 : 0644));
92	djmaze	9.27	return $bytes_written;
93	djmaze	9.27	}
94	djmaze	9.27
95	nanocaio	10.1	public static function copy_special($oldfile, $newfile) {
96	djmaze	9.27	if (!CPG_File::analyze_path(dirname($newfile))) { return false; }
97	djmaze	9.27	if (!($of = fopen($oldfile, 'rb'))) {
98	djmaze	9.27	return false;
99	djmaze	9.27	}
100	djmaze	9.27	if (!($nf = fopen($newfile, 'wb'))) {
101	djmaze	9.27	fclose($of);
102	djmaze	9.27	return false;
103	djmaze	9.27	}
104	djmaze	9.27	while (!feof($of)) {
105	djmaze	9.27	if (fwrite($fp, fread($of, 2048)) === FALSE) {
106	djmaze	9.27	fclose($of);
107	djmaze	9.27	fclose($fp);
108	djmaze	9.27	return false;
109	djmaze	9.27	}
110	djmaze	9.27	}
111	djmaze	9.27	fclose($of);
112	djmaze	9.27	fclose($fp);
113	djmaze	9.27	chmod($newfile, (PHP_AS_NOBODY ? 0666 : 0644));
114	djmaze	9.27	return true;
115	djmaze	9.27	}
116	djmaze	9.27
117	nanocaio	10.1	public static function secure_download(&$error, $filename, $realname='') {
118	djmaze	9.27	$chunksize = (2048); // how many bytes per chunk
119	djmaze	9.27	if (empty($realname)) { $realname = $filename; }
120	djmaze	9.36	if (strpos($filename,'://')) {
121	djmaze	9.27	// send remote file
122	djmaze	9.27	$rdf = parse_url($filename);
123	djmaze	9.27	if (!isset($rdf['host'])) return false;
124	djmaze	9.27	if (!isset($rdf['port'])) $rdf['port'] = 80;
125	djmaze	9.27	if (!isset($rdf['query'])) $rdf['query'] = '';
126	djmaze	9.27	$fp = fsockopen($rdf['host'], $rdf['port'], $errno, $errstr, 15);
127	djmaze	9.27	if ($fp === false) {
128	djmaze	9.27	$error = "$errno: $errstr";
129	djmaze	9.27	trigger_error($error, E_USER_WARNING);
130	djmaze	9.27	return false;
131	djmaze	9.27	}
132	djmaze	9.27	fputs($fp, 'GET ' . $rdf['path'] . $rdf['query'] . " HTTP/1.0\r\n");
133	nanocaio	9.41	fputs($fp, 'User-Agent: Dragonfly Passthru ('.URL::index('credits', true, true).")\r\n");
134	nanocaio	9.42	fputs($fp, 'Referer: ' . URL::uri() ."\r\n");
135	djmaze	9.27	fputs($fp, 'HOST: ' . $rdf['host'] . "\r\n\r\n");
136	djmaze	9.27	$data = rtrim(fgets($fp, 512));
137	nanocaio	9.40	if (false === strpos($data, ' 200 OK')) {
138	djmaze	9.27	$error = $data;
139	djmaze	9.27	trigger_error($data, E_USER_WARNING);
140	djmaze	9.27	return false;
141	djmaze	9.27	}
142	djmaze	9.27	while (ob_end_clean());
143	djmaze	9.27	// Read all headers
144	djmaze	9.27	while (!empty($data)) {
145	djmaze	9.27	$data = rtrim(fgets($fp, 300)); // read lines
146	djmaze	9.43	if (preg_match('#(Content-Length|Content-Type|Last-Modified): #i', $data)) {
147	djmaze	9.27	header($data);
148	djmaze	9.27	}
149	djmaze	9.27	}
150	djmaze	9.27	} else {
151	nanocaio	9.40	if (preg_match('#\.(\.|php$)#', $filename)) {
152	trevor	9.31	$error = "$filename isn't allowed to be downloaded";
153	djmaze	9.27	trigger_error($error, E_USER_WARNING);
154	djmaze	9.27	return false;
155	djmaze	9.27	}
156	djmaze	9.27	if (!($fp = fopen($filename, 'rb'))) {
157	trevor	9.31	$error = "$filename could not be opened";
158	djmaze	9.27	trigger_error($error, E_USER_WARNING);
159	djmaze	9.27	return false;
160	djmaze	9.27	}
161	djmaze	9.27	while (ob_end_clean());
162	djmaze	9.27	$mimetype = ($img = getimagesize($filename)) ? $img['mime'] : '';
163	djmaze	9.27	// send local file
164	djmaze	9.27	if (!strstr($mimetype, 'image')) {
165	djmaze	9.27	$ext = explode('.', $realname);
166	djmaze	9.27	$ext = strtolower(array_pop($ext));
167	djmaze	9.27	if ($ext == 'bz2') { $mimetype = 'application/bzip2'; }
168	djmaze	9.27	elseif ($ext == 'gz' || $ext == 'tgz') { $mimetype = 'application/x-gzip'; }
169	djmaze	9.27	elseif ($ext == 'gtar') { $mimetype = 'application/x-gtar'; }
170	djmaze	9.27	elseif ($ext == 'tar') { $mimetype = 'application/x-tar'; }
171	djmaze	9.27	elseif ($ext == 'zip') { $mimetype = 'application/zip'; }
172	djmaze	9.33	elseif ($ext == 'wma') { $mimetype = 'audio/x-ms-wma'; }
173	djmaze	9.33	elseif ($ext == 'wmv') { $mimetype = 'video/x-ms-wmv'; }
174	nanocaio	9.40	else { $mimetype = 'application/octet'.(preg_match('#(Opera|compatible; MSIE)#', $_SERVER['HTTP_USER_AGENT']) ? 'stream' : '-stream'); }
175	djmaze	9.27	}
176	djmaze	9.27	// header('Content-Type: "'.mime_content_type(basename($realname)).'"'); // PHP >= 4.3.0
177	djmaze	9.27	header('Content-Type: '.$mimetype.'; name="'.basename($realname).'"');
178	djmaze	9.27	header('Content-Length: '.filesize($filename));
179	djmaze	9.27	}
180	djmaze	9.27	header('Content-Encoding:');
181	djmaze	9.27	// header('Content-Disposition: inline; filename="'.basename($realname).'"');
182	djmaze	9.27	header('Content-Disposition: attachment; filename="'.basename($realname).'"');
183	djmaze	9.30	set_time_limit(0);
184	djmaze	9.30	while (!feof($fp)) { print fread($fp, $chunksize); }
185	djmaze	9.27	return fclose($fp);
186	djmaze	9.27	}
187	djmaze	9.27
188	nanocaio	10.1	public static function analyze_path($path) {
189	djmaze	9.27	if (empty($path)) return false;
190	djmaze	9.27	if ($path[0] == '.') { $path = substr($path, 1); }
191	djmaze	9.27	if ($path[0] == '.') { $path = substr($path, 1); }
192	djmaze	9.27	if ($path[0] == '/') { $path = substr($path, 1); }
193	nanocaio	9.40	$parts = (false !== strpos($path, '/') ? explode('/', $path) : array($path));
194	djmaze	9.27	$npath = '';
195	djmaze	9.27	while ($dir = array_shift($parts)) {
196	djmaze	9.27	$npath .= "$dir/";
197	djmaze	9.27	if (!is_dir($npath)) {
198	djmaze	9.27	if (!mkdir($npath, (PHP_AS_NOBODY ? 0777 : 0755))) {
199	djmaze	9.27	trigger_error("Couldn't create $npath for $path", E_USER_WARNING);
200	djmaze	9.27	return false;
201	djmaze	9.27	}
202	djmaze	9.27	}
203	djmaze	9.27	}
204	djmaze	9.27	return true;
205	djmaze	9.27	}
206	djmaze	9.27
207	nanocaio	10.1	public static function analyze_system() {
208	djmaze	9.27	$disabled = ini_get('disable_functions'); // string
209	nanocaio	9.40	$analized['set_time_limit'] = false === strpos($disabled, 'set_time_limit');
210	nanocaio	9.40	$analized['fsockopen'] = false === strpos($disabled, 'fsockopen');
211	nanocaio	9.40	$analized['fopen'] = false === strpos($disabled, 'fopen');
212	djmaze	9.27	$analized['url_fopen'] = ini_get('allow_url_fopen'); // 0 or 1
213	djmaze	9.27
214	djmaze	9.27	$analized['upload']['active'] = ini_get('file_uploads'); // 0 or 1
215	djmaze	9.27	$analized['upload']['tmp_dir'] = ini_get('upload_tmp_dir'); // String, if empty it uses system default
216	djmaze	9.27	$analized['upload']['max'] = ini_get('upload_max_filesize'); // String, default = 2M
217	djmaze	9.27	$analized['safe_mode']['active'] = ini_get('safe_mode'); // 0 or 1, UID compare
218	djmaze	9.27	$analized['safe_mode']['gid'] = ini_get('safe_mode_gid'); // 0 or 1, GID compare i/o UID
219	djmaze	9.27	$analized['safe_mode']['include_dir'] = ini_get('safe_mode_include_dir'); // String
220	djmaze	9.27	$analized['safe_mode']['exec_dir'] = ini_get('safe_mode_exec_dir'); // String
221	djmaze	9.27	$analized['enable_dl'] = ini_get('enable_dl'); // 0 or 1, dl('php_mime_magic.dll');
222	djmaze	9.27	$analized['open_basedir'] = ini_get('open_basedir'); // NULL or String
223	djmaze	9.1	/*
224	djmaze	9.27	max_execution_time = 30 ; Maximum execution time of each script, in seconds
225	djmaze	9.27	max_input_time = 60 ; Maximum amount of time each script may spend parsing request data
226	djmaze	9.27	memory_limit = 8M ; Maximum amount of memory a script may consume (8MB)
227	djmaze	9.1	*/
228	djmaze	9.27	return $analized;
229	djmaze	9.27	}
230	djmaze	9.1	}