A GKEY is made of md5_hex("$mainuser:$groupname:$groupuser:$groupuserid")
Note: the AKEY, SKEY and GKEY always can be stolen by a network sniffer!
-If you need true security, then you have to use https (SSL) instead of
-http!
+If you need true security, then you have to use https instead of http!
After download the file will be deleted after a grace time of 1 minute.
This grace time allows a recipient to get the file again if he had
$to/$from/$file/filename original file name
$to/$from/$file/size original file size
$to/$from/$file/useragent HTTP header User-Agent
+ $to/$from/$file/uurl upload URL
$to/$from/$file/data file data after complete upload
$to/$from/$file/keep keep time (autoexpire) in days
$to/$from/$file/autodelete autodelete option: YES NO or DELAY