filelib.php

Revision 269, 22.9 kB (checked in by ben, 3 years ago)
--
Property svn:eol-style set to `native`

Line
1	<?php //$Id: filelib.php,v 1.15 2005/09/19 17:13:06 skodak Exp $
2
3	function mimeinfo($element, $filename) {
4	$mimeinfo = array (
5	'xxx' => array ('type'=>'document/unknown', 'icon'=>'unknown.gif'),
6	'3gp' => array ('type'=>'video/quicktime', 'icon'=>'video.gif'),
7	'ai' => array ('type'=>'application/postscript', 'icon'=>'image.gif'),
8	'aif' => array ('type'=>'audio/x-aiff', 'icon'=>'audio.gif'),
9	'aiff' => array ('type'=>'audio/x-aiff', 'icon'=>'audio.gif'),
10	'aifc' => array ('type'=>'audio/x-aiff', 'icon'=>'audio.gif'),
11	'applescript' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
12	'asc' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
13	'asm' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
14	'au' => array ('type'=>'audio/au', 'icon'=>'audio.gif'),
15	'avi' => array ('type'=>'video/x-ms-wm', 'icon'=>'avi.gif'),
16	'bmp' => array ('type'=>'image/bmp', 'icon'=>'image.gif'),
17	'c' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
18	'cct' => array ('type'=>'shockwave/director', 'icon'=>'flash.gif'),
19	'cpp' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
20	'cs' => array ('type'=>'application/x-csh', 'icon'=>'text.gif'),
21	'css' => array ('type'=>'text/css', 'icon'=>'text.gif'),
22	'dv' => array ('type'=>'video/x-dv', 'icon'=>'video.gif'),
23	'dmg' => array ('type'=>'application/octet-stream', 'icon'=>'dmg.gif'),
24	'doc' => array ('type'=>'application/msword', 'icon'=>'word.gif'),
25	'dcr' => array ('type'=>'application/x-director', 'icon'=>'flash.gif'),
26	'dif' => array ('type'=>'video/x-dv', 'icon'=>'video.gif'),
27	'dir' => array ('type'=>'application/x-director', 'icon'=>'flash.gif'),
28	'dxr' => array ('type'=>'application/x-director', 'icon'=>'flash.gif'),
29	'eps' => array ('type'=>'application/postscript', 'icon'=>'pdf.gif'),
30	'gif' => array ('type'=>'image/gif', 'icon'=>'image.gif'),
31	'gtar' => array ('type'=>'application/x-gtar', 'icon'=>'zip.gif'),
32	'tgz' => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
33	'gz' => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
34	'gzip' => array ('type'=>'application/g-zip', 'icon'=>'zip.gif'),
35	'h' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
36	'hpp' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
37	'hqx' => array ('type'=>'application/mac-binhex40', 'icon'=>'zip.gif'),
38	'html' => array ('type'=>'text/html', 'icon'=>'html.gif'),
39	'htm' => array ('type'=>'text/html', 'icon'=>'html.gif'),
40	'java' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
41	'jcb' => array ('type'=>'text/xml', 'icon'=>'jcb.gif'),
42	'jcl' => array ('type'=>'text/xml', 'icon'=>'jcl.gif'),
43	'jcw' => array ('type'=>'text/xml', 'icon'=>'jcw.gif'),
44	'jmt' => array ('type'=>'text/xml', 'icon'=>'jmt.gif'),
45	'jmx' => array ('type'=>'text/xml', 'icon'=>'jmx.gif'),
46	'jpe' => array ('type'=>'image/jpeg', 'icon'=>'image.gif'),
47	'jpeg' => array ('type'=>'image/jpeg', 'icon'=>'image.gif'),
48	'jpg' => array ('type'=>'image/jpeg', 'icon'=>'image.gif'),
49	'jqz' => array ('type'=>'text/xml', 'icon'=>'jqz.gif'),
50	'js' => array ('type'=>'application/x-javascript', 'icon'=>'text.gif'),
51	'latex'=> array ('type'=>'application/x-latex', 'icon'=>'text.gif'),
52	'm' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
53	'mov' => array ('type'=>'video/quicktime', 'icon'=>'video.gif'),
54	'movie'=> array ('type'=>'video/x-sgi-movie', 'icon'=>'video.gif'),
55	'm3u' => array ('type'=>'audio/x-mpegurl', 'icon'=>'audio.gif'),
56	'mp3' => array ('type'=>'audio/mp3', 'icon'=>'audio.gif'),
57	'mp4' => array ('type'=>'video/mp4', 'icon'=>'video.gif'),
58	'mpeg' => array ('type'=>'video/mpeg', 'icon'=>'video.gif'),
59	'mpe' => array ('type'=>'video/mpeg', 'icon'=>'video.gif'),
60	'mpg' => array ('type'=>'video/mpeg', 'icon'=>'video.gif'),
61
62	'odt' => array ('type'=>'application/vnd.oasis.opendocument.text', 'icon'=>'odt.gif'),
63	'ott' => array ('type'=>'application/vnd.oasis.opendocument.text-template', 'icon'=>'odt.gif'),
64	'oth' => array ('type'=>'application/vnd.oasis.opendocument.text-web', 'icon'=>'odt.gif'),
65	'odm' => array ('type'=>'application/vnd.oasis.opendocument.text-master', 'icon'=>'odt.gif'),
66	'odg' => array ('type'=>'application/vnd.oasis.opendocument.graphics', 'icon'=>'odt.gif'),
67	'otg' => array ('type'=>'application/vnd.oasis.opendocument.graphics-template', 'icon'=>'odt.gif'),
68	'odp' => array ('type'=>'application/vnd.oasis.opendocument.presentation', 'icon'=>'odt.gif'),
69	'otp' => array ('type'=>'application/vnd.oasis.opendocument.presentation-template', 'icon'=>'odt.gif'),
70	'ods' => array ('type'=>'application/vnd.oasis.opendocument.spreadsheet', 'icon'=>'odt.gif'),
71	'ots' => array ('type'=>'application/vnd.oasis.opendocument.spreadsheet-template', 'icon'=>'odt.gif'),
72	'odc' => array ('type'=>'application/vnd.oasis.opendocument.chart', 'icon'=>'odt.gif'),
73	'odf' => array ('type'=>'application/vnd.oasis.opendocument.formula', 'icon'=>'odt.gif'),
74	'odb' => array ('type'=>'application/vnd.oasis.opendocument.database', 'icon'=>'odt.gif'),
75	'odi' => array ('type'=>'application/vnd.oasis.opendocument.image', 'icon'=>'odt.gif'),
76
77	'pct' => array ('type'=>'image/pict', 'icon'=>'image.gif'),
78	'pdf' => array ('type'=>'application/pdf', 'icon'=>'pdf.gif'),
79	'php' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
80	'pic' => array ('type'=>'image/pict', 'icon'=>'image.gif'),
81	'pict' => array ('type'=>'image/pict', 'icon'=>'image.gif'),
82	'png' => array ('type'=>'image/png', 'icon'=>'image.gif'),
83	'pps' => array ('type'=>'application/vnd.ms-powerpoint', 'icon'=>'powerpoint.gif'),
84	'ppt' => array ('type'=>'application/vnd.ms-powerpoint', 'icon'=>'powerpoint.gif'),
85	'ps' => array ('type'=>'application/postscript', 'icon'=>'pdf.gif'),
86	'qt' => array ('type'=>'video/quicktime', 'icon'=>'video.gif'),
87	'ra' => array ('type'=>'audio/x-realaudio', 'icon'=>'audio.gif'),
88	'ram' => array ('type'=>'audio/x-pn-realaudio', 'icon'=>'audio.gif'),
89	'rhb' => array ('type'=>'text/xml', 'icon'=>'xml.gif'),
90	'rm' => array ('type'=>'audio/x-pn-realaudio', 'icon'=>'audio.gif'),
91	'rtf' => array ('type'=>'text/rtf', 'icon'=>'text.gif'),
92	'rtx' => array ('type'=>'text/richtext', 'icon'=>'text.gif'),
93	'sh' => array ('type'=>'application/x-sh', 'icon'=>'text.gif'),
94	'sit' => array ('type'=>'application/x-stuffit', 'icon'=>'zip.gif'),
95	'smi' => array ('type'=>'application/smil', 'icon'=>'text.gif'),
96	'smil' => array ('type'=>'application/smil', 'icon'=>'text.gif'),
97	'sqt' => array ('type'=>'text/xml', 'icon'=>'xml.gif'),
98	'swa' => array ('type'=>'application/x-director', 'icon'=>'flash.gif'),
99	'swf' => array ('type'=>'application/x-shockwave-flash', 'icon'=>'flash.gif'),
100	'swfl' => array ('type'=>'application/x-shockwave-flash', 'icon'=>'flash.gif'),
101
102	'sxw' => array ('type'=>'application/vnd.sun.xml.writer', 'icon'=>'odt.gif'),
103	'stw' => array ('type'=>'application/vnd.sun.xml.writer.template', 'icon'=>'odt.gif'),
104	'sxc' => array ('type'=>'application/vnd.sun.xml.calc', 'icon'=>'odt.gif'),
105	'stc' => array ('type'=>'application/vnd.sun.xml.calc.template', 'icon'=>'odt.gif'),
106	'sxd' => array ('type'=>'application/vnd.sun.xml.draw', 'icon'=>'odt.gif'),
107	'std' => array ('type'=>'application/vnd.sun.xml.draw.template', 'icon'=>'odt.gif'),
108	'sxi' => array ('type'=>'application/vnd.sun.xml.impress', 'icon'=>'odt.gif'),
109	'sti' => array ('type'=>'application/vnd.sun.xml.impress.template', 'icon'=>'odt.gif'),
110	'sxg' => array ('type'=>'application/vnd.sun.xml.writer.global', 'icon'=>'odt.gif'),
111	'sxm' => array ('type'=>'application/vnd.sun.xml.math', 'icon'=>'odt.gif'),
112
113	'tar' => array ('type'=>'application/x-tar', 'icon'=>'zip.gif'),
114	'tif' => array ('type'=>'image/tiff', 'icon'=>'image.gif'),
115	'tiff' => array ('type'=>'image/tiff', 'icon'=>'image.gif'),
116	'tex' => array ('type'=>'application/x-tex', 'icon'=>'text.gif'),
117	'texi' => array ('type'=>'application/x-texinfo', 'icon'=>'text.gif'),
118	'texinfo' => array ('type'=>'application/x-texinfo', 'icon'=>'text.gif'),
119	'tsv' => array ('type'=>'text/tab-separated-values', 'icon'=>'text.gif'),
120	'txt' => array ('type'=>'text/plain', 'icon'=>'text.gif'),
121	'wav' => array ('type'=>'audio/wav', 'icon'=>'audio.gif'),
122	'wmv' => array ('type'=>'video/x-ms-wmv', 'icon'=>'avi.gif'),
123	'asf' => array ('type'=>'video/x-ms-asf', 'icon'=>'avi.gif'),
124	'xls' => array ('type'=>'application/vnd.ms-excel', 'icon'=>'excel.gif'),
125	'xml' => array ('type'=>'application/xml', 'icon'=>'xml.gif'),
126	'xsl' => array ('type'=>'text/xml', 'icon'=>'xml.gif'),
127	'zip' => array ('type'=>'application/zip', 'icon'=>'zip.gif'),
128
129	'asx' => array ('type'=>'video/x-ms-asf', 'icon'=>'unknown.gif'),
130	'bcpio' => array ('type'=>'application/x-bcpio', 'icon'=>'unknown.gif'),
131	'cdf' => array ('type'=>'application/x-netcdf', 'icon'=>'unknown.gif'),
132	'cpio' => array ('type'=>'application/x-cpio', 'icon'=>'unknown.gif'),
133	'cpt' => array ('type'=>'application/mac-compactpro', 'icon'=>'unknown.gif'),
134	'csh' => array ('type'=>'application/x-csh', 'icon'=>'unknown.gif'),
135	'dtd' => array ('type'=>'text/xml', 'icon'=>'unknown.gif'),
136	'dvi' => array ('type'=>'application/x-dvi', 'icon'=>'unknown.gif'),
137	'etx' => array ('type'=>'text/x-setext', 'icon'=>'unknown.gif'),
138	'evy' => array ('type'=>'application/x-envoy', 'icon'=>'unknown.gif'),
139	'fif' => array ('type'=>'application/fractals', 'icon'=>'unknown.gif'),
140	'hdf' => array ('type'=>'application/x-hdf', 'icon'=>'unknown.gif'),
141	'hpx' => array ('type'=>'application/mac-binhex40', 'icon'=>'unknown.gif'),
142	'ice' => array ('type'=>'x-conference/x-cooltalk', 'icon'=>'unknown.gif'),
143	'ief' => array ('type'=>'image/ief', 'icon'=>'unknown.gif'),
144	'iges' => array ('type'=>'model/iges', 'icon'=>'unknown.gif'),
145	'igs' => array ('type'=>'model/iges', 'icon'=>'unknown.gif'),
146	'isv' => array ('type'=>'bws-internal/intrasrv-urlencoded', 'icon'=>'unknown.gif'),
147	'jfm' => array ('type'=>'bws-internal/intrasrv-form', 'icon'=>'unknown.gif'),
148	'jrp' => array ('type'=>'bws-internal/intrasrv-report', 'icon'=>'unknown.gif'),
149	'kar' => array ('type'=>'audio/midi', 'icon'=>'unknown.gif'),
150	'ls' => array ('type'=>'application/x-javascript', 'icon'=>'unknown.gif'),
151	'man' => array ('type'=>'application/x-troff-man', 'icon'=>'unknown.gif'),
152	'me' => array ('type'=>'application/x-troff-me', 'icon'=>'unknown.gif'),
153	'mesh' => array ('type'=>'model/mesh', 'icon'=>'unknown.gif'),
154	'mid' => array ('type'=>'audio/midi', 'icon'=>'unknown.gif'),
155	'midi' => array ('type'=>'audio/midi', 'icon'=>'unknown.gif'),
156	'mif' => array ('type'=>'application/x-mif', 'icon'=>'unknown.gif'),
157	'mocha' => array ('type'=>'application/x-javascript', 'icon'=>'unknown.gif'),
158	'mp2' => array ('type'=>'audio/mpeg', 'icon'=>'unknown.gif'),
159	'mpga' => array ('type'=>'audio/mpeg', 'icon'=>'unknown.gif'),
160	'ms' => array ('type'=>'application/x-troff-ms', 'icon'=>'unknown.gif'),
161	'msh' => array ('type'=>'model/mesh', 'icon'=>'unknown.gif'),
162	'nc' => array ('type'=>'application/x-netcdf', 'icon'=>'unknown.gif'),
163	'oda' => array ('type'=>'application/oda', 'icon'=>'unknown.gif'),
164	'pac' => array ('type'=>'application/x-ns-proxy-autoconfig', 'icon'=>'unknown.gif'),
165	'pbm' => array ('type'=>'image/x-portable-bitmap', 'icon'=>'unknown.gif'),
166	'pdb' => array ('type'=>'chemical/x-pdb', 'icon'=>'unknown.gif'),
167	'pgm' => array ('type'=>'image/x-portable-graymap', 'icon'=>'unknown.gif'),
168	'php3' => array ('type'=>'application/x-httpd-php3', 'icon'=>'unknown.gif'),
169	'msql2' => array ('type'=>'application/x-httpd-php-msql2', 'icon'=>'unknown.gif'),
170	'phtml' => array ('type'=>'application/x-httpd-php', 'icon'=>'unknown.gif'),
171	'pnm' => array ('type'=>'image/x-portable-anymap', 'icon'=>'unknown.gif'),
172	'ppm' => array ('type'=>'image/x-portable-pixmap', 'icon'=>'unknown.gif'),
173	'ras' => array ('type'=>'image/x-cmu-raster', 'icon'=>'unknown.gif'),
174	'rgb' => array ('type'=>'image/x-rgb', 'icon'=>'unknown.gif'),
175	'roff' => array ('type'=>'application/x-troff', 'icon'=>'unknown.gif'),
176	'rpm' => array ('type'=>'audio/x-pn-realaudio-plugin', 'icon'=>'unknown.gif'),
177	'sgm' => array ('type'=>'text/x-sgml', 'icon'=>'unknown.gif'),
178	'sgml' => array ('type'=>'text/x-sgml', 'icon'=>'unknown.gif'),
179	'shar' => array ('type'=>'application/x-shar', 'icon'=>'unknown.gif'),
180	'silo' => array ('type'=>'model/mesh', 'icon'=>'unknown.gif'),
181	'skd' => array ('type'=>'application/x-koan', 'icon'=>'unknown.gif'),
182	'skm' => array ('type'=>'application/x-koan', 'icon'=>'unknown.gif'),
183	'skp' => array ('type'=>'application/x-koan', 'icon'=>'unknown.gif'),
184	'skt' => array ('type'=>'application/x-koan', 'icon'=>'unknown.gif'),
185	'snd' => array ('type'=>'audio/basic', 'icon'=>'unknown.gif'),
186	'src' => array ('type'=>'application/x-wais-source', 'icon'=>'unknown.gif'),
187	'sv4cpio' => array ('type'=>'application/x-sv4cpio', 'icon'=>'unknown.gif'),
188	'sv4crc'=> array ('type'=>'application/x-sv4crc', 'icon'=>'unknown.gif'),
189	't' => array ('type'=>'application/x-troff', 'icon'=>'unknown.gif'),
190	'tcl' => array ('type'=>'application/x-tcl', 'icon'=>'unknown.gif'),
191	'text' => array ('type'=>'text/plain', 'icon'=>'unknown.gif'),
192	'tr' => array ('type'=>'application/x-troff', 'icon'=>'unknown.gif'),
193	'tsp' => array ('type'=>'application/dsptype', 'icon'=>'unknown.gif'),
194	'ustar' => array ('type'=>'application/x-ustar', 'icon'=>'unknown.gif'),
195	'vcd' => array ('type'=>'application/x-cdlink', 'icon'=>'unknown.gif'),
196	'vox' => array ('type'=>'audio/voxware', 'icon'=>'unknown.gif'),
197	'vrml' => array ('type'=>'model/vrml', 'icon'=>'unknown.gif'),
198	'wax' => array ('type'=>'audio/x-ms-wax', 'icon'=>'unknown.gif'),
199	'wm' => array ('type'=>'video/x-ms-wm', 'icon'=>'unknown.gif'),
200	'wma' => array ('type'=>'audio/x-ms-wma', 'icon'=>'unknown.gif'),
201	'wmd' => array ('type'=>'application/x-ms-wmd', 'icon'=>'unknown.gif'),
202	'wmx' => array ('type'=>'video/x-ms-wmx', 'icon'=>'unknown.gif'),
203	'wmz' => array ('type'=>'application/x-ms-wmz', 'icon'=>'unknown.gif'),
204	'wrl' => array ('type'=>'model/vrml', 'icon'=>'unknown.gif'),
205	'wvx' => array ('type'=>'video/x-ms-wvx', 'icon'=>'unknown.gif'),
206	'xbm' => array ('type'=>'image/x-xbitmap', 'icon'=>'unknown.gif'),
207	'xpm' => array ('type'=>'image/x-xpixmap', 'icon'=>'unknown.gif'),
208	'xwd' => array ('type'=>'image/x-xwindowdump', 'icon'=>'unknown.gif'),
209	'xyz' => array ('type'=>'chemical/x-pdb', 'icon'=>'unknown.gif'),
210	'z' => array ('type'=>'application/x-compress', 'icon'=>'unknown.gif'),
211	);
212
213	if (eregi('\.([a-z0-9]+)$', $filename, $match)) {
214	if (isset($mimeinfo[strtolower($match[1])][$element])) {
215	return $mimeinfo[strtolower($match[1])][$element];
216	} else {
217	return $mimeinfo['xxx'][$element]; // By default
218	}
219	} else {
220	return $mimeinfo['xxx'][$element]; // By default
221	}
222	}
223
224	function send_file($path, $filename, $lifetime=86400 , $filter=false, $pathisstring=false,$forcedownload=false) {
225	global $CFG;
226
227	$mimetype = $forcedownload ? 'application/x-forcedownload' : mimeinfo('type', $filename);
228	$lastmodified = $pathisstring ? time() : filemtime($path);
229	$filesize = $pathisstring ? strlen($path) : filesize($path);
230
231	//IE compatibiltiy HACK!
232	if(ini_get('zlib.output_compression')) {
233	ini_set('zlib.output_compression', 'Off');
234	}
235
236	@header('Last-Modified: '. gmdate('D, d M Y H:i:s', $lastmodified) .' GMT');
237	if ($lifetime > 0) {
238	@header('Cache-control: max-age='.$lifetime);
239	@header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .'GMT');
240	@header('Pragma: ');
241	} else {
242	if (strpos($CFG->wwwroot, 'https://') === 0) { //https sites - watch out for IE! KB812935 and KB316431
243	@header('Cache-Control: max-age=10');
244	@header('Expires: '. gmdate('D, d M Y H:i:s', 0) .'GMT');
245	@header('Pragma: ');
246	} else { //normal http - prevent caching at all cost
247	@header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
248	@header('Expires: '. gmdate('D, d M Y H:i:s', 0) .'GMT');
249	@header('Pragma: no-cache');
250	}
251	}
252	@header('Accept-Ranges: none'); // Comment out if PDFs do not work...
253
254	if ($forcedownload) {
255	@header('Content-disposition: attachment; filename='.$filename);
256	} else {
257	@header('Content-disposition: inline; filename='.$filename);
258	}
259
260	if (!$filter) {
261	@