Rename lib/dokuwiki to vendors/dokuwiki

1 files changed, 173 insertions, 0 deletions

diff --git a/vendors/dokuwiki/lib/exe/fetch.php b/vendors/dokuwiki/lib/exe/fetch.php
new file mode 100644
index 000000000..11877ef36
--- /dev/null
+++ b/vendors/dokuwiki/lib/exe/fetch.php
@@ -0,0 +1,173 @@
+<?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__).'/../../');
+  define('DOKU_DISABLE_GZIP_OUTPUT', 1);
+  require_once(DOKU_INC.'inc/init.php');
+  require_once(DOKU_INC.'inc/common.php');
+  require_once(DOKU_INC.'inc/media.php');
+  require_once(DOKU_INC.'inc/pageutils.php');
+  require_once(DOKU_INC.'inc/httputils.php');
+  require_once(DOKU_INC.'inc/confutils.php');
+  require_once(DOKU_INC.'inc/auth.php');
+
+  //close sesseion
+  session_write_close();
+
+  $mimetypes = getMimeTypes();
+
+  //get input
+  $MEDIA  = stripctl(getID('media',false)); // no cleaning except control chars - maybe external
+  $CACHE  = calc_cache($_REQUEST['cache']);
+  $WIDTH  = (int) $_REQUEST['w'];
+  $HEIGHT = (int) $_REQUEST['h'];
+  list($EXT,$MIME,$DL) = mimetype($MEDIA,false);
+  if($EXT === false){
+    $EXT  = 'unknown';
+    $MIME = 'application/octet-stream';
+    $DL   = true;
+  }
+
+  //media to local file
+  if(preg_match('#^(https?)://#i',$MEDIA)){
+    //check hash
+    if(substr(md5(auth_cookiesalt().$MEDIA),0,6) != $_REQUEST['hash']){
+      header("HTTP/1.0 412 Precondition Failed");
+      print 'Precondition Failed';
+      exit;
+    }
+    //handle external images
+    if(strncmp($MIME,'image/',6) == 0) $FILE = media_get_from_URL($MEDIA,$EXT,$CACHE);
+    if(!$FILE){
+      //download failed - redirect to original URL
+      header('Location: '.$MEDIA);
+      exit;
+    }
+  }else{
+    $MEDIA = cleanID($MEDIA);
+    if(empty($MEDIA)){
+      header("HTTP/1.0 400 Bad Request");
+      print 'Bad request';
+      exit;
+    }
+
+    //check permissions (namespace only)
+    if(auth_quickaclcheck(getNS($MEDIA).':X') < AUTH_READ){
+      header("HTTP/1.0 401 Unauthorized");
+      //fixme add some image for imagefiles
+      print 'Unauthorized';
+      exit;
+    }
+    $FILE  = mediaFN($MEDIA);
+  }
+
+  //check file existance
+  if(!@file_exists($FILE)){
+    header("HTTP/1.0 404 Not Found");
+    //FIXME add some default broken image
+    print 'Not Found';
+    exit;
+  }
+
+  $ORIG = $FILE;
+
+  //handle image resizing/cropping
+  if((substr($MIME,0,5) == 'image') && $WIDTH){
+    if($HEIGHT){
+        $FILE = media_crop_image($FILE,$EXT,$WIDTH,$HEIGHT);
+    }else{
+        $FILE = media_resize_image($FILE,$EXT,$WIDTH,$HEIGHT);
+    }
+  }
+
+  // finally send the file to the client
+  $data = array('file'     => $FILE,
+                'mime'     => $MIME,
+                'download' => $DL,
+                'cache'    => $CACHE,
+                'orig'     => $ORIG,
+                'ext'      => $EXT,
+                'width'    => $WIDTH,
+                'height'   => $HEIGHT);
+
+  $evt = new Doku_Event('MEDIA_SENDFILE', $data);
+  if ($evt->advise_before()) {
+    sendFile($data['file'],$data['mime'],$data['download'],$data['cache']);
+  }
+
+/* ------------------------------------------------------------------------ */
+
+/**
+ * Set headers and send the file to the client
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Ben Coburn <btcoburn@silicodon.net>
+ */
+function sendFile($file,$mime,$dl,$cache){
+  global $conf;
+  $fmtime = @filemtime($file);
+  // send headers
+  header("Content-Type: $mime");
+  // smart http caching headers
+  if ($cache==-1) {
+    // cache
+    // cachetime or one hour
+    header('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT');
+    header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600));
+    header('Pragma: public');
+  } else if ($cache>0) {
+    // recache
+    // remaining cachetime + 10 seconds so the newly recached media is used
+    header('Expires: '.gmdate("D, d M Y H:i:s", $fmtime+$conf['cachetime']+10).' GMT');
+    header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($fmtime-time()+$conf['cachetime']+10, 0));
+    header('Pragma: public');
+  } else if ($cache==0) {
+    // nocache
+    header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0');
+    header('Pragma: public');
+  }
+  //send important headers first, script stops here if '304 Not Modified' response
+  http_conditionalRequest($fmtime);
+
+
+  //download or display?
+  if($dl){
+    header('Content-Disposition: attachment; filename="'.basename($file).'";');
+  }else{
+    header('Content-Disposition: inline; filename="'.basename($file).'";');
+  }
+
+  //use x-sendfile header to pass the delivery to compatible webservers
+  if (http_sendfile($file)) exit;
+
+  // send file contents
+  $fp = @fopen($file,"rb");
+  if($fp){
+    http_rangeRequest($fp,filesize($file),$mime);
+  }else{
+    header("HTTP/1.0 500 Internal Server Error");
+    print "Could not read $file - bad permissions?";
+  }
+}
+
+/**
+ * Returns the wanted cachetime in seconds
+ *
+ * Resolves named constants
+ *
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ */
+function calc_cache($cache){
+  global $conf;
+
+  if(strtolower($cache) == 'nocache') return 0; //never cache
+  if(strtolower($cache) == 'recache') return $conf['cachetime']; //use standard cache
+  return -1; //cache endless
+}
+
+//Setup VIM: ex: et ts=2 enc=utf-8 :