public MainForm()
{
InitializeComponent();
this.myId = UserIdentity.GetIdOfCurrentUser();
this.userKeypair = new KeyPair();
this.textBoxYourUniqueId.Text = this.myId.ToString();
this.delegationToken = new DelegationToken();
}
private byte[] GetDelegationKey(Guid userId)
{
DelegationToken delegationToken = this.tokenStorage.FindDelegationToken(userId);
if (delegationToken == null)
{
throw new InvalidOperationException("No proxy encryption delegation token was found for the user");
}
return(delegationToken.ToUser);
}
public void RegisterUser(Guid dataOwnerId, Guid userId, DelegationToken token, byte[] signPublicKey)
{
if (token == null)
{
throw new ArgumentNullException("token");
}
if (token.ToUser == null)
{
throw new ArgumentNullException("token");
}
if (userId == Guid.Empty)
{
throw new ArgumentException("userId");
}
AssertInitializationAndCorrectDoId(dataOwnerId);
this.tokenStorage.RegisterUser(userId, token, signPublicKey);
}
public void RegisterUser(Guid userId, DelegationToken token, byte[] signPublicKey)
{
LoadMetadata();
UserMetadata md;
List <UserMetadata> mds = this.metadata.UserMetadata.Where(m => m.UserId == userId).ToList();
if (mds.Count == 1)
{
md = mds[0];
}
else
{
md = new UserMetadata();
this.metadata.UserMetadata.Add(md);
}
md.UserId = userId;
md.DelegationToken = Convert.ToBase64String(token.ToUser);
md.SignPublicKey = Convert.ToBase64String(signPublicKey);
SaveMetadata();
}
private void buttonCreateUser_Click(object sender, EventArgs e)
{
try
{
if (this.treeViewRoles.SelectedNode == null ||
!(this.treeViewRoles.SelectedNode.Tag is RoleDescription))
{
return;
}
if (string.IsNullOrEmpty(this.textBoxNewUserName.Text))
{
MessageBox.Show("You must enter a username");
return;
}
Guid newUserId = GuidCreator.CreateGuidFromString(this.textBoxNewUserName.Text);
if (this.masterKeypair == null && this.keyPair == null)
{
MessageBox.Show("You must load your key pair first");
return;
}
string filename = FileDialogs.AskUserForFileNameToSaveIn();
if (!string.IsNullOrEmpty(filename))
{
if (!Path.HasExtension(filename))
{
filename = filename + ".xml";
}
SignKeys userSignKeyPair = DataSigner.GenerateSignKeyPair();
IPreService proxy;
KeyPair userKeypair;
DelegationToken userDelegationToken;
if (this.masterKeypair != null)
{
proxy = GetPreProxy();
userKeypair = proxy.GenerateKeyPair();
userDelegationToken = new DelegationToken();
proxy = GetPreProxy();
userDelegationToken.ToUser = proxy.GenerateDelegationKey(this.masterKeypair.Private, userKeypair.Public);
}
else
{
userKeypair = this.keyPair; // I am not a DO, so when creating a new user then reuse my key
userDelegationToken = null; // I do not know my own delegation key. The server will put it in for me.
}
proxy = GetPreProxy();
byte[] username = proxy.Encrypt(this.keyPair.Public, this.textBoxNewUserName.Text.GetBytes());
User user = new User();
user.DelegationToken = userDelegationToken;
user.Id = newUserId;
user.Name = username;
user.SignPublicKey = userSignKeyPair.PublicOnly;
RoleDescription role = (RoleDescription)this.treeViewRoles.SelectedNode.Tag;
IGatewayService gateWayproxy = GetServiceProxy();
gateWayproxy.CreateUser(this.myId, role.Id, user);
KeyCollection uk = new KeyCollection();
uk.PublicKey = Convert.ToBase64String(this.keyPair.Public); // use original DO public key
uk.PrivateKey = Convert.ToBase64String(userKeypair.Private);
uk.SignKeys = Convert.ToBase64String(userSignKeyPair.PublicAndPrivate);
XmlFile.WriteFile(uk, filename);
buttonRefreshRolesAndUsers_Click(this, EventArgs.Empty);
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
Logger.LogError("Error generating user keypair", ex);
}
}
public void RegisterUser(Guid dataOwnerId, Guid userId, DelegationToken token, byte[] signPublicKey)
{
this.gw.RegisterUser(dataOwnerId, userId, token, signPublicKey);
}
public void RegisterUser(Guid dataOwnerId, Guid userId, DelegationToken token, byte[] signPublicKey)
{
InvokeWithErrorHandling(() => this.Channel.RegisterUser(dataOwnerId, userId, token, signPublicKey));
}