website_jukni/dokuwiki/lib/exe/fetch.php
2017-12-29 15:51:59 +01:00

99 lines
3.2 KiB
PHP

<?php
/**
* DokuWiki media passthrough file
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*/
if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/../../');
if (!defined('DOKU_DISABLE_GZIP_OUTPUT')) define('DOKU_DISABLE_GZIP_OUTPUT', 1);
require_once(DOKU_INC.'inc/init.php');
session_write_close(); //close session
require_once(DOKU_INC.'inc/fetch.functions.php');
if (defined('SIMPLE_TEST')) {
$INPUT = new Input();
}
// BEGIN main
$mimetypes = getMimeTypes();
//get input
$MEDIA = stripctl(getID('media', false)); // no cleaning except control chars - maybe external
$CACHE = calc_cache($INPUT->str('cache'));
$WIDTH = $INPUT->int('w');
$HEIGHT = $INPUT->int('h');
$REV = & $INPUT->ref('rev');
//sanitize revision
$REV = preg_replace('/[^0-9]/', '', $REV);
list($EXT, $MIME, $DL) = mimetype($MEDIA, false);
if($EXT === false) {
$EXT = 'unknown';
$MIME = 'application/octet-stream';
$DL = true;
}
// check for permissions, preconditions and cache external files
list($STATUS, $STATUSMESSAGE) = checkFileStatus($MEDIA, $FILE, $REV, $WIDTH, $HEIGHT);
// prepare data for plugin events
$data = array(
'media' => $MEDIA,
'file' => $FILE,
'orig' => $FILE,
'mime' => $MIME,
'download' => $DL,
'cache' => $CACHE,
'ext' => $EXT,
'width' => $WIDTH,
'height' => $HEIGHT,
'status' => $STATUS,
'statusmessage' => $STATUSMESSAGE,
'ispublic' => media_ispublic($MEDIA),
);
// handle the file status
$evt = new Doku_Event('FETCH_MEDIA_STATUS', $data);
if($evt->advise_before()) {
// redirects
if($data['status'] > 300 && $data['status'] <= 304) {
if (defined('SIMPLE_TEST')) return; //TestResponse doesn't recognize redirects
send_redirect($data['statusmessage']);
}
// send any non 200 status
if($data['status'] != 200) {
http_status($data['status'], $data['statusmessage']);
}
// die on errors
if($data['status'] > 203) {
print $data['statusmessage'];
if (defined('SIMPLE_TEST')) return;
exit;
}
}
$evt->advise_after();
unset($evt);
//handle image resizing/cropping
if((substr($MIME, 0, 5) == 'image') && ($WIDTH || $HEIGHT)) {
if($HEIGHT && $WIDTH) {
$data['file'] = $FILE = media_crop_image($data['file'], $EXT, $WIDTH, $HEIGHT);
} else {
$data['file'] = $FILE = media_resize_image($data['file'], $EXT, $WIDTH, $HEIGHT);
}
}
// finally send the file to the client
$evt = new Doku_Event('MEDIA_SENDFILE', $data);
if($evt->advise_before()) {
sendFile($data['file'], $data['mime'], $data['download'], $data['cache'], $data['ispublic'], $data['orig']);
}
// Do something after the download finished.
$evt->advise_after(); // will not be emitted on 304 or x-sendfile
// END DO main
//Setup VIM: ex: et ts=2 :