asp.net/winforms login; uml managers, repositories pages edited

StudentHouseDashboard/HouseData/Managers/UserManager.cs

@@ -1,9 +1,12 @@
-using StudentHouseDashboard.Models;
+using BCrypt.Net;
+using StudentHouseDashboard.Models;
 using StudentHouseDashboard.Repositories;
 using System;
 using System.Collections.Generic;
 using System.Data;
 using System.Linq;
+using System.Net.Http;
+using System.Security.Claims;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
@@ -29,6 +32,23 @@ namespace StudentHouseDashboard.Managers
         {
             return userRepository.GetUsersByPage(p, c);
         }
+        public User? AuthenticatedUser(string name, string password)
+        {
+            List<User> users = userRepository.GetAllUsers();
+            User user = users.Find(x => x.Name == name);
+            if (user == null)
+            {
+                return null;
+            }
+            else
+            {
+                if (BCrypt.Net.BCrypt.Verify(password, user.Password))
+                {
+                    return user;
+                }
+                else return null;
+            }
+        }
         public bool CreateUser(string name, string password, UserRole role)
         {
             return userRepository.CreateUser(name, password, role);

StudentHouseDashboard/HouseData/Repositories/UserRepository.cs

@@ -154,5 +154,6 @@ namespace StudentHouseDashboard.Repositories
                 else return false;
             }
         }
+
     }
 }

StudentHouseDashboard/HouseData/StudentHouseDashboard.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.5" />
   </ItemGroup>
 

StudentHouseDashboard/StudentHouseDashboard.sln

@@ -7,6 +7,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApp", "WebApp\WebApp.csp
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StudentHouseDashboard", "HouseData\StudentHouseDashboard.csproj", "{9A1E1400-9B85-416B-B3B2-2282E0060CE3}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WinForms", "WinForms\WinForms.csproj", "{3967DDCF-BA8E-45CD-895D-626CE346D419}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{9A1E1400-9B85-416B-B3B2-2282E0060CE3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9A1E1400-9B85-416B-B3B2-2282E0060CE3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9A1E1400-9B85-416B-B3B2-2282E0060CE3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3967DDCF-BA8E-45CD-895D-626CE346D419}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3967DDCF-BA8E-45CD-895D-626CE346D419}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3967DDCF-BA8E-45CD-895D-626CE346D419}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3967DDCF-BA8E-45CD-895D-626CE346D419}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

StudentHouseDashboard/WebApp/Pages/Error/401.cshtml

@@ -0,0 +1,12 @@
+@page
+@model WebApp.Pages.Error._401Model
+@{
+    ViewData["Title"] = "401 Unauthorised";
+}
+<div class="text-center">
+    <h1 class="display-4">Error 401 Unauthorised</h1>
+    <img src="http://http.cat/401" />
+    <p>
+        You do not have rights to access this page!
+    </p>
+</div>

StudentHouseDashboard/WebApp/Pages/Error/401.cshtml.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace WebApp.Pages.Error
+{
+    public class _401Model : PageModel
+    {
+        public void OnGet()
+        {
+        }
+    }
+}

StudentHouseDashboard/WebApp/Pages/Index.cshtml

@@ -15,13 +15,6 @@
         </div>
     </div>
 
-    <div class="px-4 py-5 my-5 text-center">
-        <h2 class="display-5 fw-bold">Why choose our solution?</h2>
-        <div class="col-lg-6 mx-auto">
-            <p class="lead mb-4">Student House Dashboard helps tenants organise common household chores even if they don't know each other very well.</p>
-        </div>
-    </div>
-
     <div class="px-4 py-5 my-5 text-center">
         <h2 class="display-5 fw-bold">Is it difficult to use?</h2>
         <div class="col-lg-6 mx-auto">

StudentHouseDashboard/WebApp/Pages/Login.cshtml.cs

@@ -1,7 +1,10 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authentication.Cookies;
 using StudentHouseDashboard.Models;
 using StudentHouseDashboard.Managers;
+using System.Security.Claims;
 
 namespace WebApp.Pages
 {
@@ -14,19 +17,33 @@ namespace WebApp.Pages
         {
         }
 
-        public void OnPost()
+        public IActionResult OnPost(string? returnUrl)
         {
             var userManager = new UserManager();
-
+            User? user = userManager.AuthenticatedUser(MyUser.Name, MyUser.Password);
-            foreach (var item in userManager.GetAllUsers())
+            if (user != null)
             {
-                if (item.Name == MyUser.Name && BCrypt.Net.BCrypt.Verify(MyUser.Password, item.Password))
+                List<Claim> claims = new List<Claim>();
+                claims.Add(new Claim(ClaimTypes.Name, user.Name));
+                claims.Add(new Claim("id", user.ID.ToString()));
+                claims.Add(new Claim(ClaimTypes.Role, user.Role.ToString()));
+                var claimsIdentity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
+                HttpContext.SignInAsync(new ClaimsPrincipal(claimsIdentity));
+                // ViewData["confirm"] = $"Welcome, {MyUser.Name}! {MyUser.ID}, {MyUser.Password}, {MyUser.Role}";
+                if (!String.IsNullOrWhiteSpace(returnUrl) && Url.IsLocalUrl(returnUrl))
                 {
-                    MyUser = item;
+                    return Redirect(returnUrl);
-                    ViewData["confirm"] = $"Welcome, {MyUser.Name}! {MyUser.ID}, {MyUser.Password}, {MyUser.Role}";
+                }
+                else
+                {
+                    return RedirectToPage("Announcements");
                 }
             }
-            
+            else
+            {
+                ModelState.AddModelError("InvalidCredentials", "The supplied username and/or password is invalid");
+                return Page();
+            }
         }
     }
 }

StudentHouseDashboard/WebApp/Pages/Shared/_Layout.cshtml

@@ -23,10 +23,7 @@
                             <a class="nav-link text-dark" asp-area="" asp-page="/Index">Home</a>
                         </li>
                         <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-page="/Privacy">Privacy</a>
+                            <a class="nav-link text-dark" asp-area="" asp-page="/Announcements">Announcements</a>
-                        </li>
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-page="/Contact">Contact</a>
                         </li>
                         <li class="nav-item">
                             <a class="nav-link text-dark" asp-area="" asp-page="/Login">Login</a>
@@ -44,7 +41,7 @@
 
     <footer class="border-top footer text-muted">
         <div class="container">
-            &copy; 2023 - StudentHouseDashboard - <a asp-area="" asp-page="/Privacy">Privacy</a>
+            <p>StudentHouseDashboard &copy; 2023 <a asp-area="" asp-page="/Privacy">Privacy</a> <a asp-area="" asp-page="/Contact">Contact</a></p>
         </div>
     </footer>
 

StudentHouseDashboard/WebApp/Program.cs

@@ -1,3 +1,5 @@
+using Microsoft.AspNetCore.Authentication.Cookies;
+
 namespace WebApp
 {
     public class Program
@@ -9,6 +11,11 @@ namespace WebApp
             // Add services to the container.
             builder.Services.AddRazorPages();
 
+            builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie(options => {
+                options.LoginPath = new PathString("/Login");
+                options.AccessDeniedPath = new PathString("/Error/401");
+            });
+
             var app = builder.Build();
 
             // Configure the HTTP request pipeline.

StudentHouseDashboard/WinForms/Login.Designer.cs

@@ -0,0 +1,117 @@
+namespace WinForms
+{
+    partial class Login
+    {
+        /// <summary>
+        ///  Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        ///  Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        ///  Required method for Designer support - do not modify
+        ///  the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            lblLogo = new Label();
+            lblUsername = new Label();
+            tbUsername = new TextBox();
+            lblPassword = new Label();
+            tbPassword = new TextBox();
+            btnLogin = new Button();
+            SuspendLayout();
+            // 
+            // lblLogo
+            // 
+            lblLogo.Location = new Point(12, 9);
+            lblLogo.Name = "lblLogo";
+            lblLogo.Size = new Size(230, 37);
+            lblLogo.TabIndex = 0;
+            lblLogo.Text = "Welcome to Student House Dashboard";
+            lblLogo.TextAlign = ContentAlignment.MiddleCenter;
+            // 
+            // lblUsername
+            // 
+            lblUsername.AutoSize = true;
+            lblUsername.Location = new Point(12, 64);
+            lblUsername.Name = "lblUsername";
+            lblUsername.Size = new Size(63, 15);
+            lblUsername.TabIndex = 1;
+            lblUsername.Text = "Username:";
+            // 
+            // tbUsername
+            // 
+            tbUsername.Location = new Point(81, 61);
+            tbUsername.Name = "tbUsername";
+            tbUsername.Size = new Size(161, 23);
+            tbUsername.TabIndex = 2;
+            // 
+            // lblPassword
+            // 
+            lblPassword.AutoSize = true;
+            lblPassword.Location = new Point(12, 93);
+            lblPassword.Name = "lblPassword";
+            lblPassword.Size = new Size(60, 15);
+            lblPassword.TabIndex = 3;
+            lblPassword.Text = "Password:";
+            // 
+            // tbPassword
+            // 
+            tbPassword.Location = new Point(81, 90);
+            tbPassword.Name = "tbPassword";
+            tbPassword.Size = new Size(161, 23);
+            tbPassword.TabIndex = 4;
+            // 
+            // btnLogin
+            // 
+            btnLogin.Location = new Point(167, 119);
+            btnLogin.Name = "btnLogin";
+            btnLogin.Size = new Size(75, 23);
+            btnLogin.TabIndex = 5;
+            btnLogin.Text = "Login";
+            btnLogin.UseVisualStyleBackColor = true;
+            btnLogin.Click += btnLogin_Click;
+            // 
+            // Login
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(266, 163);
+            Controls.Add(btnLogin);
+            Controls.Add(tbPassword);
+            Controls.Add(lblPassword);
+            Controls.Add(tbUsername);
+            Controls.Add(lblUsername);
+            Controls.Add(lblLogo);
+            Name = "Login";
+            ShowIcon = false;
+            Text = "StudentHouseDashboard";
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label lblLogo;
+        private Label lblUsername;
+        private TextBox tbUsername;
+        private Label lblPassword;
+        private TextBox tbPassword;
+        private Button btnLogin;
+    }
+}

StudentHouseDashboard/WinForms/Login.cs

@@ -0,0 +1,27 @@
+using StudentHouseDashboard.Managers;
+using StudentHouseDashboard.Models;
+
+namespace WinForms
+{
+    public partial class Login : Form
+    {
+        public Login()
+        {
+            InitializeComponent();
+        }
+
+        private void btnLogin_Click(object sender, EventArgs e)
+        {
+            UserManager userManager = new UserManager();
+            User? user = userManager.AuthenticatedUser(tbUsername.Text, tbPassword.Text);
+            if (user == null)
+            {
+                MessageBox.Show("Wrong username or password", "Login failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+            else
+            {
+                MessageBox.Show($"Welcome, {user.Name}", "Login successful", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            }
+        }
+    }
+}

StudentHouseDashboard/WinForms/Login.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

StudentHouseDashboard/WinForms/Program.cs

@@ -0,0 +1,17 @@
+namespace WinForms
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            // To customize application configuration such as set high DPI settings or default font,
+            // see https://aka.ms/applicationconfiguration.
+            ApplicationConfiguration.Initialize();
+            Application.Run(new Login());
+        }
+    }
+}

StudentHouseDashboard/WinForms/WinForms.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\HouseData\StudentHouseDashboard.csproj" />
+  </ItemGroup>
+
+</Project>