merge master in branch

1 files changed, 78 insertions, 185 deletions

diff --git a/lib/exe/fetch.php b/lib/exe/fetch.php
index 52e7ebe1e..7a2250373 100644
--- a/lib/exe/fetch.php
+++ b/lib/exe/fetch.php
@@ -6,200 +6,93 @@
  * @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');
+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
 
-  //close session
-  session_write_close();
+require_once(DOKU_INC.'inc/fetch.functions.php');
 
-  $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);
-
-  // 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,
-  );
-
-  // handle the file status
-  $evt = new Doku_Event('FETCH_MEDIA_STATUS', $data);
-  if ( $evt->advise_before() ) {
-    // redirects
-    if($data['status'] > 300 && $data['status'] <= 304){
-      send_redirect($data['statusmessage']);
-    }
-    // send any non 200 status
-    if($data['status'] != 200){
-      header('HTTP/1.0 ' . $data['status'] . ' ' . $data['statusmessage']);
-    }
-    // die on errors
-    if($data['status'] > 203){
-      print $data['statusmessage'];
-      exit;
-    }
-  }
-  $evt->advise_after();
-  unset($evt);
-
-  //handle image resizing/cropping
-  if((substr($MIME,0,5) == 'image') && $WIDTH){
-    if($HEIGHT){
-        $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']);
-  }
-  // Do something after the download finished.
-  $evt->advise_after();
-
-/* ------------------------------------------------------------------------ */
-
-/**
- * Set headers and send the file to the client
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Ben Coburn <btcoburn@silicodon.net>
- */
-function sendFile($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($dl){
-    header('Content-Disposition: attachment; filename="'.utf8_basename($file).'";');
-  }else{
-    header('Content-Disposition: inline; filename="'.utf8_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?";
-  }
+if (defined('SIMPLE_TEST')) {
+    $INPUT = new Input();
 }
 
-/**
- * Check for media for preconditions and return correct status code
- *
- * READ: MEDIA, MIME, EXT, CACHE
- * WRITE: MEDIA, FILE, array( STATUS, STATUSMESSAGE )
- *
- * @author Gerry Weissbach <gerry.w@gammaproduction.de>
- * @param $media reference to the media id
- * @param $file reference to the file variable
- * @returns array(STATUS, STATUSMESSAGE)
- */
-function checkFileStatus(&$media, &$file, $rev='') {
-  global $MIME, $EXT, $CACHE, $INPUT;
-
-  //media to local file
-  if(preg_match('#^(https?)://#i',$media)){
-    //check hash
-    if(substr(md5(auth_cookiesalt().$media),0,6) !== $INPUT->str('hash')){
-      return array( 412, 'Precondition Failed');
+// 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';
+        $DL   = true;
     }
-    //handle external images
-    if(strncmp($MIME,'image/',6) == 0) $file = media_get_from_URL($media,$EXT,$CACHE);
-    if(!$file){
-      //download failed - redirect to original URL
-      return array( 302, $media );
+
+    // check for permissions, preconditions and cache external files
+    list($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 && $data['status'] <= 304) {
+            send_redirect($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;
+        }
     }
-  }else{
-    $media = cleanID($media);
-    if(empty($media)){
-      return array( 400, 'Bad request' );
+    $evt->advise_after();
+    unset($evt);
+
+    //handle image resizing/cropping
+    if((substr($MIME, 0, 5) == 'image') && $WIDTH) {
+        if($HEIGHT) {
+            $data['file'] = $FILE = media_crop_image($data['file'], $EXT, $WIDTH, $HEIGHT);
+        } else {
+            $data['file'] = $FILE = media_resize_image($data['file'], $EXT, $WIDTH, $HEIGHT);
+        }
     }
 
-    //check permissions (namespace only)
-    if(auth_quickaclcheck(getNS($media).':X') < AUTH_READ){
-      return array( 403, 'Forbidden' );
+    // 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']);
     }
-    $file  = mediaFN($media, $rev);
-  }
-
-  //check file existance
-  if(!@file_exists($file)){
-      return array( 404, 'Not Found' );
-  }
+    // Do something after the download finished.
+    $evt->advise_after();  // will not be emitted on 304 or x-sendfile
 
-  return array(200, null);
-}
-
-/**
- * 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
-}
+// END DO main
 
 //Setup VIM: ex: et ts=2 :