public static bool IsLockMismatch(HttpRequestBase request, FileBound.Document document, out string currentLock)
{
var lockInfo = FB.GetLockInfo(document);
var currentLockInfo = !string.IsNullOrEmpty(lockInfo)
? Newtonsoft.Json.JsonConvert.DeserializeObject <LockInfo>(lockInfo)
: null;
currentLock = currentLockInfo?.Lock ?? string.Empty;
return(currentLockInfo != null && (currentLockInfo.Lock != request.Headers[WopiHeaders.Lock]));
}
public WopiResponse HandleRefresh()
{
var requestData = WopiRequest.ParseRequest(_request);
var documentId = Convert.ToInt64(requestData.Id);
var document = FB.GetDocument(documentId);
if (document == null)
{
return(new WopiResponse()
{
ResponseType = WopiResponseType.FileUnknown, Message = "File not found"
});
}
var newLock = new LockInfo()
{
DateCreated = DateTime.UtcNow, Lock = _request.Headers[WopiHeaders.Lock]
};
var currentLockInfo = FB.GetLockInfo(document);
var currentLock = !string.IsNullOrEmpty(currentLockInfo)
? Newtonsoft.Json.JsonConvert.DeserializeObject <LockInfo>(currentLockInfo)
: null;
if (currentLock == null)
{
// on refresh, there should already be a lock
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch, Message = ""
});
}
lock (currentLock)
{
if (currentLock.Lock != newLock.Lock)
{
// trying to lock again with a different lock? YEAH RIGHT
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch, Message = currentLock.Lock
});
}
// update the lock (refresh) and return success:
FB.UpdateLockInfo(document, Newtonsoft.Json.JsonConvert.SerializeObject(newLock));
return(new WopiResponse()
{
ResponseType = WopiResponseType.Success
});
}
}
public WopiResponse Handle()
{
var requestData = WopiRequest.ParseRequest(_request);
var documentId = Convert.ToInt64(requestData.Id);
var document = FB.GetDocument(documentId);
if (document == null)
{
return(new WopiResponse()
{
ResponseType = WopiResponseType.FileUnknown, Message = "File not found"
});
}
var newLock = new LockInfo()
{
DateCreated = DateTime.UtcNow, Lock = _request.Headers[WopiHeaders.Lock]
};
var oldLock = _request.Headers[WopiHeaders.OldLock];
var currentLockInfo = FB.GetLockInfo(document);
var currentLock = !string.IsNullOrEmpty(currentLockInfo)
? Newtonsoft.Json.JsonConvert.DeserializeObject <LockInfo>(currentLockInfo)
: null;
if (currentLock == null)
{
// The file is not currently locked or the lock has already expired
FB.UpdateLockInfo(document, Newtonsoft.Json.JsonConvert.SerializeObject(newLock));
return(new WopiResponse()
{
ResponseType = WopiResponseType.Success
});
}
lock (currentLock)
{
// unlock & relock:
if (!string.IsNullOrEmpty(oldLock))
{
if (oldLock == currentLock.Lock && oldLock != newLock.Lock)
{
FB.UpdateLockInfo(document, Newtonsoft.Json.JsonConvert.SerializeObject(newLock));
return(new WopiResponse()
{
ResponseType = WopiResponseType.Success
});
}
if (oldLock != currentLock.Lock)
{
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch, Message = currentLock.Lock
});
}
}
if (currentLock.Lock != newLock.Lock)
{
// trying to lock again with a different lock? YEAH RIGHT
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch, Message = currentLock.Lock
});
}
// locking with the same lock? validator says this should be ok:
return(new WopiResponse()
{
ResponseType = WopiResponseType.Success
});
}
}
public WopiResponse Handle()
{
var requestData = WopiRequest.ParseRequest(_request);
var documentId = Convert.ToInt64(requestData.Id);
var document = FB.GetDocument(documentId);
try
{
if (document == null)
{
return(new WopiResponse()
{
ResponseType = WopiResponseType.FileUnknown, Message = "File not found"
});
}
var newLock = _request.Headers[WopiHeaders.Lock];
var currentLockInfo = FB.GetLockInfo(document);
var currentLock = !string.IsNullOrEmpty(currentLockInfo)
? Newtonsoft.Json.JsonConvert.DeserializeObject <LockInfo>(currentLockInfo)
: null;
if (currentLock == null)
{
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch
});
}
lock (currentLock)
{
if (currentLock.Lock == newLock)
{
// There is a valid lock on the file and the existing lock matches the provided one
FB.UpdateLockInfo(document, string.Empty);
return(new WopiResponse()
{
ResponseType = WopiResponseType.Success
});
}
else
{
// The existing lock doesn't match the requested one. Return a lock mismatch error
return(new WopiResponse()
{
ResponseType = WopiResponseType.LockMismatch, Message = currentLock.Lock
});
}
}
}
catch (Exception ex)
{
FB.UpdateLockInfo(document, ex.Message);
return(new WopiResponse()
{
ResponseType = WopiResponseType.ServerError, Message = ex.Message
});
}
}