private void btn_rmUser_Save_Click(object sender, EventArgs e)
{
Program.ExitCode status;
if (MessageBox.Show(this,
"Удалить пользователя?",
"Warning",
MessageBoxButtons.YesNo,
MessageBoxIcon.Warning) == DialogResult.No)
{
return;
}
//удалить пользователя после подтверждения:
User u = new User
{
Id = Convert.ToInt32(cb_Name.SelectedValue),
Name = cb_Name.Text,
Password = tb_Password.Text,
Policy_Id = Convert.ToInt32(cb_Policy.SelectedValue)
};
status = RBACManager.RmUser(u, mainForm.db);
if (status == Program.ExitCode.Success)
{
MessageBox.Show(this,
"Пользователь удален!",
"Success",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
this.Close();
return;
}
if (status == Program.ExitCode.Error)
{
MessageBox.Show(this,
"Error while submitting deletion to the DataBase",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
}
private void btn_drawURP_Save_Click(object sender, EventArgs e)
{
Program.ExitCode status;
//Получить пользователя:
User u = new User
{
Id = Convert.ToInt32(cb_Name.SelectedValue),
Name = cb_Name.Text,
Password = tb_Password.Text,
Policy_Id = Convert.ToInt32(cb_Policy.SelectedValue)
};
// Отрисовка диаграммы:
if (mainForm.axDrawingControl.Document.Application.ActivePage.Shapes.Count == 0)
status = Visualizer.VisualizeURP(mainForm.axDrawingControl.Document.Application.ActivePage,
mainForm.db,
u);
else
status = Visualizer.VisualizeURP(mainForm.axDrawingControl.Document.Pages.Add(),
mainForm.db,
u);
if (status == Program.ExitCode.Error)
{
MessageBox.Show(this,
"Error while drawing URP relation!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
this.Close();
return;
}
private void btn_addUser_Save_Click(object sender, EventArgs e)
{
Program.ExitCode status;
if (tb_Name.Text != "" && tb_Pwd.Text != "")
{
if (cb_Policy.Text != "")
{
User u = new User
{
Name = tb_Name.Text,
Password = tb_Pwd.Text,
Policy_Id = Convert.ToInt32(cb_Policy.SelectedValue)
};
status = RBACManager.AddUser(u, mainForm.db);
if (status == Program.ExitCode.Error)
{
MessageBox.Show(this,
"Error while Submiting results in the DataBase!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
if (status == Program.ExitCode.Success)
{
MessageBox.Show(this,
"Пользователь добавлен!",
"Success",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
this.Close();
return;
}
if (status == Program.ExitCode.ElementExists)
{
if (MessageBox.Show(this,
"Пользователь с такими 'Name' и 'Policy_Id' уже существует!\nОбновить данные для этого пользователя?",
"Warning",
MessageBoxButtons.YesNo,
MessageBoxIcon.Warning) == DialogResult.Yes)
{
status = RBACManager.UpdateUser(u, mainForm.db);
if (status == Program.ExitCode.Error)
{
MessageBox.Show(this,
"Error while Submiting results in the DataBase!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
if (status == Program.ExitCode.Success)
{
MessageBox.Show(this,
"Данные пользователя обновлены!",
"Success",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
this.Close();
return;
}
}
//MsgBox."NO" pressed => Ignore changes, return to add-Form
else
{
return;
}
}
}
else
{
MessageBox.Show(this,
"Выберите политику 'Policy'!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(this,
"Вы не заполнили одно из полей 'Name' или 'Password'!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
partial void DeleteUser(User instance);
partial void UpdateUser(User instance);
partial void InsertUser(User instance);
private void detach_User(User entity)
{
this.SendPropertyChanging();
entity.Policy = null;
}
private void attach_User(User entity)
{
this.SendPropertyChanging();
entity.Policy = this;
}
public static Program.ExitCode VisualizeURP(Visio.Page targetPage, rbacLINQ2SQLDataContext db, User user_in)
{
Visio.Application visioApplication = null;
Visio.Document stencilUMLUseCase = null;
Visio.Document stencilBasicU = null;
Visio.Shape shape = null;
Visio.Shape shapeContainer = null;
Visio.Shape shapeConnector = null;
List<Visio.Shape> shapeRoles = null;
List<Visio.Shape> shapePermissions = null;
Visio.Selection selection = null;
Visio.Document targetDocument = null;
Visio.ContainerProperties containerProperties = null;
int currentDiagramServices = -1;
int prevDiagramServices;
System.Array containerMembers = null;
if (user_in == null || targetPage == null)
return Program.ExitCode.Error;
var users = from usr in db.User
where usr.Name == user_in.Name && usr.Policy_Id == user_in.Policy_Id
select usr;
//if doesn't exist, return Error status:
if (users.Count() == 0)
return Program.ExitCode.ElementDoesNotExists;
try
{
// Turn on all Visio diagram services
targetDocument = targetPage.Document;
visioApplication = targetPage.Application;
// Enable All Diagram Services to enable adding huge-named members to the container
prevDiagramServices = targetDocument.DiagramServicesEnabled;
targetDocument.DiagramServicesEnabled = currentDiagramServices;
stencilUMLUseCase = visioApplication.Documents.
OpenEx(@"C:\MyTestProjects\MCD\diploma\pmtool\pmt\pmt\UML_Use_Case.vssx",
(short)Visio.VisOpenSaveArgs.visOpenHidden);
stencilBasicU = visioApplication.Documents.
OpenEx(@"Basic_U.vssx",
(short)Visio.VisOpenSaveArgs.visOpenHidden);
selection = targetPage.CreateSelection(Visio.VisSelectionTypes.visSelTypeEmpty,
Visio.VisSelectMode.visSelModeOnlySuper, null);
//=======================================
// Get all necessary data for drawing a diagram
User u = users.First();
var roles = from auth in u.AuthUserRole
select auth.Role;
Dictionary<Role, List<Permission>> rpSet = new Dictionary<Role, List<Permission>>();
shapePermissions = new List<Visio.Shape>();
foreach (Role r in roles)
{
var perms = from roleperm in r.RolePermission
select roleperm.Permission;
rpSet.Add(r, perms.ToList<Permission>());
}
double H = 0.5;
double W = 4;
double gap = 0.5;
double centerX = 5;
double centerY = 1;
double border = 0.1;
// Draw permissions with general method DropConnected
List<string> strPerms = new List<string>();
int maxStrLenPerms = 0;
foreach (var rp in rpSet)
{
if (rp.Value.Count == 0)
{
strPerms.Add("NO PERMISSION ASSIGNED");
maxStrLenPerms = strPerms.Last().Length;
}
else
{
foreach (Permission p in rp.Value)
{
if (maxStrLenPerms == 0)
strPerms.Add(String.Format("Name: {0}, Policy_Id: {1}", p.Name, p.Policy_Id));
else
strPerms.Add(String.Format("\nName: {0}, Policy_Id: {1}", p.Name, p.Policy_Id));
if (strPerms.Last().Length > maxStrLenPerms)
maxStrLenPerms = strPerms.Last().Length;
}
}
shape = targetPage.Drop(stencilBasicU.Masters["Rectangle"],centerX, centerY += H + gap);
double charSize = shape.get_Cells("Char.Size").ResultIU;
shape.get_Cells("Height").ResultIU = charSize * strPerms.Count + 2 * border;
shape.get_Cells("Width").ResultIU = charSize * maxStrLenPerms;
shape.Text = String.Concat(strPerms);
shapePermissions.Add(shape);
strPerms.Clear();
maxStrLenPerms = 0;
}
//Left-Side Alignment of Permission Rectangles
if (shapePermissions.Count != 0)
{
foreach (var sh in shapePermissions)
selection.Select(sh, (short)Visio.VisSelectArgs.visSelect);
selection.Align(Visio.VisHorizontalAlignTypes.visHorzAlignLeft,
Visio.VisVerticalAlignTypes.visVertAlignNone);
selection.DeselectAll();
}
// Drop Roles (Use Case Objects)
shapeRoles = new List<Visio.Shape>();
int i = 0;
foreach (var rp in rpSet)
{
shape = targetPage.DropConnected(stencilUMLUseCase.Masters["Use Case"],
shapePermissions.ElementAt(i),
Visio.VisAutoConnectDir.visAutoConnectDirLeft);
shape.Text = String.Format("name: {0}|policy: {1}|cardinality:{2}",
rp.Key.Name, rp.Key.Policy_Id, rp.Key.Cardinality);
shapeRoles.Add(shape);
selection.Select(shape, (short)Visio.VisSelectArgs.visSelect);
i++;
}
// Drop a container
shapeContainer = targetPage.DropContainer(stencilUMLUseCase.Masters["Subsystem"],
(shapeRoles.Count==0?null:selection));
shapeContainer.Text = (shapeRoles.Count==0?"NO ROLE AUTHORIZED":"Authorized roles");
selection.DeselectAll();
// Move Container to the left to avoid overlapping with Permission Rectangles
selection.Select(shapeContainer, (short)Visio.VisSelectArgs.visSelect);
selection.Move(-1, 0);
selection.DeselectAll();
// Get height of the container and add a User to the left.
// Can't use general method DropConnected, cause the container doesn't have such a property
double containerH = shapeContainer.get_Cells("Height").ResultIU;
double containerW = shapeContainer.get_Cells("Width").ResultIU;
double containerXPos = shapeContainer.get_Cells("PinX").ResultIU;
double containerYPos = shapeContainer.get_Cells("PinY").ResultIU;
shape = targetPage.Drop(stencilUMLUseCase.Masters["Actor"], containerXPos - containerW / 2 - 1, containerYPos);
shape.Text = String.Format("USER\nName: {0}\nPassword: {1}\nPolicy_Id: {2}",
user_in.Name,
user_in.Password,
user_in.Policy_Id);
shapeConnector = targetPage.Drop(stencilUMLUseCase.Masters["Association"], 0, 0);
ConnectShapes(shape, shapeContainer, shapeConnector);
// Report on contents of container
containerProperties = shapeContainer.ContainerProperties;
containerMembers = containerProperties.GetMemberShapes((int)Visio.VisContainerFlags.visContainerFlagsDefault);
foreach (int member in containerMembers)
{
System.Diagnostics.Debug.WriteLine(targetPage.Shapes.get_ItemFromID(member).NameU +
" |---> " + targetPage.Shapes.get_ItemFromID(member).Text);
}
// Finalize
targetPage.Application.ActiveWindow.DeselectAll();
targetPage.CenterDrawing();
stencilUMLUseCase.Close();
//targetPage.Name = String.Format("URP | Usr:{0};Pol:{1}",user_in.Name,user_in.Policy_Id);
targetDocument.DiagramServicesEnabled = prevDiagramServices;
}
catch (Exception err)
{
System.Diagnostics.Debug.WriteLine(err.Message);
// Return the Diagram Services status to its previous state if it was set in the try block.
if (currentDiagramServices != -1 && targetDocument != null)
targetDocument.DiagramServicesEnabled = currentDiagramServices;
throw;
//return Program.ExitCode.Error;
}
return Program.ExitCode.Success;
}
public static Program.ExitCode RmUser(User u, rbacLINQ2SQLDataContext db, bool submitChanges = true)
{
try
{
User user = db.User.Single(u1 => (u1.Id == u.Id && u1.Name == u.Name &&
u1.Policy_Id == u.Policy_Id));
//Можем запрещать удалять Юзера, у которого есть assigned roles.
//if (user.AuthUserRole.Count != 0)
//{
// return Program.ExitCode.HasAssigned;
//}
foreach (Session s in user.Session)
{
db.ActiveRole.DeleteAllOnSubmit(s.ActiveRole);
}
db.Session.DeleteAllOnSubmit(user.Session);
db.AuthUserRole.DeleteAllOnSubmit(user.AuthUserRole);
db.User.DeleteOnSubmit(db.User.Single(u1 =>
(u1.Id == u.Id &&
u1.Policy_Id == u.Policy_Id)));
if (submitChanges)
db.SubmitChanges();
return Program.ExitCode.Success;
}
catch (Exception exc)
{
return Program.ExitCode.Error;
}
}
public static Program.ExitCode UpdateUser(User u, rbacLINQ2SQLDataContext db)
{
var query = from usr in db.User
where usr.Name == u.Name && usr.Policy_Id == u.Policy_Id
select usr;
query.First().Password = u.Password;
try
{
db.SubmitChanges();
return Program.ExitCode.Success;
}
catch (Exception exc)
{
return Program.ExitCode.Error;
}
}
public static void AddUser_noTryCatch(User u, rbacLINQ2SQLDataContext db)
{
//check if the user exists
var query = from usr in db.User
where usr.Name == u.Name && usr.Policy_Id == u.Policy_Id
select usr;
//if doesn't exist, add:
if (query.Count() == 0)
{
db.User.InsertOnSubmit(u);
db.SubmitChanges();
System.Diagnostics.Debug.WriteLine("Added User: {0}", u.Name);
}
else
{
System.Diagnostics.Debug.WriteLine("Existing User: {0}", u.Name);
}
}
public static Program.ExitCode AddUser(User u, rbacLINQ2SQLDataContext db)
{
//check if the user exists
var query = from usr in db.User
where usr.Name == u.Name && usr.Policy_Id == u.Policy_Id
select usr;
//if doesn't exist, add:
if (query.Count() == 0)
{
db.User.InsertOnSubmit(u);
try
{
db.SubmitChanges();
return Program.ExitCode.Success;
}
catch (Exception exc)
{
return Program.ExitCode.Error;
}
}
//if exists:
else
{
return Program.ExitCode.ElementExists;
}
}
private static void XMLWriteUserAuthRoles(User user, XmlWriter xmlWriter)
{
xmlWriter.WriteStartElement("AuthRoles");
foreach (AuthUserRole authUR in user.AuthUserRole)
{
xmlWriter.WriteStartElement("Role");
xmlWriter.WriteAttributeString("name", authUR.Role.Name);
xmlWriter.WriteEndElement();
}
xmlWriter.WriteEndElement();
}
private static void XMLWriteUser(User user, XmlWriter xmlWriter)
{
xmlWriter.WriteStartElement("User");
xmlWriter.WriteAttributeString("name", user.Name);
xmlWriter.WriteAttributeString("password", user.Password);
XMLWriteUserAuthRoles(user, xmlWriter);
xmlWriter.WriteEndElement();
}
private static bool XMLReadUser(XmlNode userNode, int pid, rbacLINQ2SQLDataContext db)
{
User user;
Role role;
AuthUserRole authUR;
user = new User()
{
Name = userNode.Attributes["name"].Value,
Password = userNode.Attributes["password"].Value,
Policy_Id = pid,
};
RBACManager.AddUser_noTryCatch(user, db);
// Depending on our specification we could have to update an existing user
//RBACManager.UpdateUser(user,db);
// Get this user (just added to the database or existing in it)
user = db.User.Single(x => x.Name == user.Name && x.Policy_Id == user.Policy_Id);
// If there's no single AuthRoles block, error:
if (userNode.ChildNodes.Count != 1)
{
return false;
}
XmlNode authRoleBlock = userNode.ChildNodes.Item(0);
foreach (XmlNode authRoleNode in authRoleBlock.ChildNodes)
{
role = db.Role.Single(x => x.Name == authRoleNode.Attributes["name"].Value
&& x.Policy_Id == pid);
authUR = new AuthUserRole()
{
User_Id = user.Id,
Role_Id = role.Id,
};
RBACManager.AddAssignment_noTryCatch(authUR, db);
}
return true;
}
