/// <summary>
/// Handles deleting existing data files. Requires authentication and a special privilege.
/// </summary>
/// <param name="shandler"></param>
/// <param name="request"></param>
/// <param name="body"></param>
/// <param name="encoder"></param>
/// <returns></returns>
public static async Task <Task> Action(ServerHandler shandler, HTTPRequest request, Stream body, IProxyHTTPEncoder encoder)
{
var auth_resp = await Helpers.ReadMessageFromStreamAndAuthenticate(shandler, 1024 * 16, body);
if (!auth_resp.success)
{
return(encoder.Response(403, "Denied").SendNothing());
}
if (!auth_resp.user.can_delete)
{
return(encoder.Response(403, "Denied").SendNothing());
}
var sreq = JsonConvert.DeserializeObject <DeleteRequest>(auth_resp.payload);
var sid = sreq.sid;
if (shandler.items.ContainsKey(sid))
{
var item = shandler.items[sid];
try
{
File.Delete(item.fqpath);
} catch (Exception)
{
await encoder.WriteQuickHeaderAndStringBody(
500, "Error", JsonConvert.SerializeObject(new DeleteResponse()
{
success = false,
})
);
return(Task.CompletedTask);
}
if (item.fqpath != null && item.fqpath.Length > 0)
{
shandler.UsedSpaceSubtract((long)item.datasize);
}
item.fqpath = null;
await shandler.WriteItemToJournal(item);
}
await encoder.WriteQuickHeaderAndStringBody(
200, "Deleted", JsonConvert.SerializeObject(new DeleteResponse()
{
success = true,
})
);
return(Task.CompletedTask);
}