private TcpMessage HandleMultiRelationQuery(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType(TcpRequestType.MultiRelationQuery))
{
return(null);
}
if (!IsAuthenticated(host))
{
throw AuthException.NotLoggedIn();
}
var request = new ParamTcpMessage(message);
var response = new ObjectTcpMessage <DbRelation>(TcpRequestType.List);
if (request.HasParam("from_id"))
{
var fromId = request.GetParamAsNullableInt("from_id");
var items = _dataService.GetRelations(fromId);
response.Add(items);
return(response);
}
return(TcpMessage.Error("Missing or badly formatted query parameters"));
}
public void Login(string username, string password)
{
var request = new ParamTcpMessage("loginbasic");
request.SetParam("username", username);
request.SetParam("password", password);
var response = _client.SendAndReceive(request);
if (response.HasType(TcpRequestType.Ok))
{
var objResponse = new ObjectTcpMessage<DbItem>(response);
if (objResponse.Item != null)
{
IsAuthenticated = true;
UserItemId = objResponse.Item.Id;
UserWorkspaceContainerId = _dataService.GetOrCreateItem(UserItemId, "workspace").Id;
}
else
{
throw new AuthException("Login failed. No user-item returned.");
}
}
else
{
throw new AuthException("Login failed. Response: " + response.RequestType + " - " + response.Content);
}
}
public override ICollection<DbRelation> GetRelations(int? fromId)
{
var request = new ParamTcpMessage(TcpRequestType.MultiRelationQuery);
request.SetParam("from_id", fromId);
var response = Client.SendAndReceive<DbRelation>(request);
return response.Items;
}
private TcpMessage HandleUniqueItemQuery(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType(TcpRequestType.UniqueItemQuery))
{
return(null);
}
if (!IsAuthenticated(host))
{
throw AuthException.NotLoggedIn();
}
var request = new ParamTcpMessage(message);
var response = new ObjectTcpMessage <DbItem>(TcpRequestType.List);
if (request.HasParam("id"))
{
var id = request.GetParamAsNullableInt("id");
if (id != null)
{
var item = _dataService.GetItem(id.Value);
response.Add(item);
return(response);
}
}
return(TcpMessage.Error("Missing or badly formatted query parameters"));
}
public override DbItem GetItem(int id)
{
var request = new ParamTcpMessage(TcpRequestType.UniqueItemQuery);
request.SetParam("id", id);
var response = Client.SendAndReceive<DbItem>(request);
return response.Item;
}
public static TcpMessage Error(string error)
{
var response = new ParamTcpMessage(TcpRequestType.Error);
response.SetParam("error", error);
return(response);
}
public void Login(string username, string password)
{
var request = new ParamTcpMessage("loginbasic");
request.SetParam("username", username);
request.SetParam("password", password);
var response = _client.SendAndReceive(request);
if (response.HasType(TcpRequestType.Ok))
{
var objResponse = new ObjectTcpMessage <DbItem>(response);
if (objResponse.Item != null)
{
IsAuthenticated = true;
UserItemId = objResponse.Item.Id;
UserWorkspaceContainerId = _dataService.GetOrCreateItem(UserItemId, "workspace").Id;
}
else
{
throw new AuthException("Login failed. No user-item returned.");
}
}
else
{
throw new AuthException("Login failed. Response: " + response.RequestType + " - " + response.Content);
}
}
public override DbRelation GetRelation(int? fromId, string identifier)
{
var request = new ParamTcpMessage(TcpRequestType.UniqueRelationQuery);
request.SetParam("from_id", fromId);
request.SetParam("identifier", identifier);
var response = Client.SendAndReceive<DbRelation>(request);
return response.Item;
}
private TcpMessage HandleLoginRequest(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType("loginbasic"))
{
return(null);
}
var request = new ParamTcpMessage(message);
var username = request.GetParam("username");
var password = request.GetParam("password");
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
var userItem = _dataService.GetItemByRelation(UsersParentId, username);
if (userItem == null)
{
if (!AutoRegisterUsers)
{
return(TcpMessage.Error("User not found. Automatic registering of users is currently disabled."));
}
// Register
userItem = new DbItem(username);
_dataService.Insert(userItem);
_dataService.Insert(new DbRelation(UsersParentId, username, userItem.Id));
var saltItem = new DbItem(HashHelper.CreateSaltString(10));
_dataService.Insert(saltItem);
_dataService.Insert(new DbRelation(userItem.Id, "salt", saltItem.Id));
var passwordItem = new DbItem(HashHelper.GenerateSaltedHash(password, saltItem.Value));
_dataService.Insert(passwordItem);
_dataService.Insert(new DbRelation(userItem.Id, "password", passwordItem.Id));
}
else
{
// Login
var saltItem = _dataService.GetItemByRelation(userItem.Id, "salt");
var passwordItem = _dataService.GetItemByRelation(userItem.Id, "password");
if (saltItem == null || saltItem.Value == null || passwordItem == null || passwordItem.Value == null || !HashHelper.ConfirmPassword(passwordItem.Value, password, saltItem.Value))
{
return(TcpMessage.Error("Login failed. Wrong password."));
}
}
_hostUsers[host] = userItem;
var response = new ObjectTcpMessage <DbItem>(TcpRequestType.Ok);
response.Add(userItem);
return(response);
}
return(TcpMessage.Error("Missing or badly formatted login parameters"));
}
public override DbItem GetItem(int id)
{
var request = new ParamTcpMessage(TcpRequestType.UniqueItemQuery);
request.SetParam("id", id);
var response = Client.SendAndReceive <DbItem>(request);
return(response.Item);
}
public override ICollection <DbRelation> GetRelations(int?fromId)
{
var request = new ParamTcpMessage(TcpRequestType.MultiRelationQuery);
request.SetParam("from_id", fromId);
var response = Client.SendAndReceive <DbRelation>(request);
return(response.Items);
}
public override DbRelation GetRelation(int?fromId, string identifier)
{
var request = new ParamTcpMessage(TcpRequestType.UniqueRelationQuery);
request.SetParam("from_id", fromId);
request.SetParam("identifier", identifier);
var response = Client.SendAndReceive <DbRelation>(request);
return(response.Item);
}
public static TcpMessage Error(string error)
{
var response = new ParamTcpMessage(TcpRequestType.Error);
response.SetParam("error", error);
return response;
}
private TcpMessage HandleLoginRequest(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType("loginbasic"))
return null;
var request = new ParamTcpMessage(message);
var username = request.GetParam("username");
var password = request.GetParam("password");
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
var userItem = _dataService.GetItemByRelation(UsersParentId, username);
if (userItem == null)
{
if (!AutoRegisterUsers)
return TcpMessage.Error("User not found. Automatic registering of users is currently disabled.");
// Register
userItem = new DbItem(username);
_dataService.Insert(userItem);
_dataService.Insert(new DbRelation(UsersParentId, username, userItem.Id));
var saltItem = new DbItem(HashHelper.CreateSaltString(10));
_dataService.Insert(saltItem);
_dataService.Insert(new DbRelation(userItem.Id, "salt", saltItem.Id));
var passwordItem = new DbItem(HashHelper.GenerateSaltedHash(password, saltItem.Value));
_dataService.Insert(passwordItem);
_dataService.Insert(new DbRelation(userItem.Id, "password", passwordItem.Id));
}
else
{
// Login
var saltItem = _dataService.GetItemByRelation(userItem.Id, "salt");
var passwordItem = _dataService.GetItemByRelation(userItem.Id, "password");
if (saltItem == null || saltItem.Value == null || passwordItem == null || passwordItem.Value == null || !HashHelper.ConfirmPassword(passwordItem.Value, password, saltItem.Value))
return TcpMessage.Error("Login failed. Wrong password.");
}
_hostUsers[host] = userItem;
var response = new ObjectTcpMessage<DbItem>(TcpRequestType.Ok);
response.Add(userItem);
return response;
}
return TcpMessage.Error("Missing or badly formatted login parameters");
}
private TcpMessage HandleUniqueRelationQuery(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType(TcpRequestType.UniqueRelationQuery))
return null;
if (!IsAuthenticated(host))
throw AuthException.NotLoggedIn();
var request = new ParamTcpMessage(message);
var response = new ObjectTcpMessage<DbRelation>(TcpRequestType.List);
if (request.HasParam("from_id") && request.HasParam("identifier"))
{
var fromId = request.GetParamAsNullableInt("from_id");
var identifier = request.GetParam("identifier");
var relation = _dataService.GetRelation(fromId, identifier);
response.Add(relation);
return response;
}
return TcpMessage.Error("Missing or badly formatted query parameters");
}
private TcpMessage HandleUniqueItemQuery(TcpConnectedHost host, TcpMessage message)
{
if (!message.HasType(TcpRequestType.UniqueItemQuery))
return null;
if (!IsAuthenticated(host))
throw AuthException.NotLoggedIn();
var request = new ParamTcpMessage(message);
var response = new ObjectTcpMessage<DbItem>(TcpRequestType.List);
if (request.HasParam("id"))
{
var id = request.GetParamAsNullableInt("id");
if (id != null)
{
var item = _dataService.GetItem(id.Value);
response.Add(item);
return response;
}
}
return TcpMessage.Error("Missing or badly formatted query parameters");
}