diff options
Diffstat (limited to 'wiki/lib/exe/fetch.php')
-rw-r--r-- | wiki/lib/exe/fetch.php | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/wiki/lib/exe/fetch.php b/wiki/lib/exe/fetch.php new file mode 100644 index 0000000..933367e --- /dev/null +++ b/wiki/lib/exe/fetch.php @@ -0,0 +1,99 @@ +<?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 : |