check if thumbnail-directory is writeable

Signed-off-by: Andreas Unterkircher <unki@netshadow.at>

diff --git a/phpfspot.class.php b/phpfspot.class.php
index b4d8b17ee5ce27f6533b350ee16ec7104b7b2fd1..088e74d349590939b8f25343aa6ae850010fa8ba 100644 (file)
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -88,6 +88,11 @@ class PHPFSPOT {
          exit(1);
       }
 
+      if(!is_writeable($this->cfg->thumb_path)) {
+         print $this->cfg->thumb_path .": directory is not writeable for user ". $this->getuid() ."\n";
+         exit(1);
+      }
+
       $this->cfg_db = new PHPFSPOT_DB($this, $this->cfg->phpfspot_db);
       if(!is_writeable($this->cfg->phpfspot_db)) {
          print $this->cfg->phpfspot_db ." is not writeable for user ". $this->getuid() ."\n";
@@ -1377,6 +1382,7 @@ class PHPFSPOT {
          $thumb_sub_path = substr($file_md5, 0, 2);
          $thumb_path = $this->cfg->thumb_path ."/". $thumb_sub_path ."/". $resolution ."_". $file_md5;
 
+         /* if thumbnail-subdirectory does not exist yet, create it */
          if(!file_exists(dirname($thumb_path))) {
             mkdir(dirname($thumb_path), 0755);
          }