Merge pull request #3 from Flight-Simulator-EFB/login

login feature

.vscode/launch.json

@@ -0,0 +1,35 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            // Use IntelliSense to find out which attributes exist for C# debugging
+            // Use hover for the description of the existing attributes
+            // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+            "name": ".NET Core Launch (web)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/bin/Debug/net5.0/EFB.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            "stopAtEntry": false,
+            // Enable launching a web browser when ASP.NET Core starts. For more information: https://aka.ms/VSCode-CS-LaunchJson-WebBrowser
+            "serverReadyAction": {
+                "action": "openExternally",
+                "pattern": "\\bNow listening on:\\s+(https?://\\S+)"
+            },
+            "env": {
+                "ASPNETCORE_ENVIRONMENT": "Development"
+            },
+            "sourceFileMap": {
+                "/Views": "${workspaceFolder}/Views"
+            }
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,42 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/EFB.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "publish",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "publish",
+                "${workspaceFolder}/EFB.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "watch",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "watch",
+                "run",
+                "${workspaceFolder}/EFB.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

Controllers/API/APIInterface.cs

@@ -0,0 +1,90 @@
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using System.Net.Http;
+using EFB.Models;
+
+namespace EFB.Controllers.API
+{
+    public class APIInterface
+    {
+        private HttpClient HttpClient { get; set; }
+
+        public async Task<ResponseModel> Get<T>(string Endpoint, Dictionary<string, string> Headers){
+
+            this.HttpClient = new HttpClient();
+
+            this.HttpClient.DefaultRequestHeaders.Clear();
+
+            if (Headers != null)
+            {
+                foreach (var Header in Headers)
+                {
+                    this.HttpClient.DefaultRequestHeaders.Add(Header.Key, Header.Value);
+                }
+            }
+
+            if (Form.FormAuthenticator.ValidateEndpoint(Endpoint))
+            {
+                try
+                {
+                    var pendingResult = this.HttpClient.GetAsync(Endpoint);
+
+                    var result = await pendingResult;
+
+                    string resultString = result.Content.ReadAsStringAsync().Result;
+
+                    return new ResponseModel{
+                        //Sender should be aware of type T becuase of Generic function
+                        Result = JsonConvert.DeserializeObject<T>(resultString)
+                    };
+                }
+                catch (System.Exception e)
+                {
+                    return new ResponseModel{Error = e.Message};
+                }
+
+            }
+            //Returned in the event No other response has been returned
+            return new ResponseModel{Error = "Invalid Endpoint - Please try again later"};
+            
+        }
+
+        public async Task<ResponseModel> Post<T>(string Endpoint, Dictionary<string, string> Headers, HttpContent Body){
+
+            this.HttpClient = new HttpClient();
+            this.HttpClient.DefaultRequestHeaders.Clear();
+
+            if (Headers != null)
+            {
+                foreach (var Header in Headers)
+                {
+                    this.HttpClient.DefaultRequestHeaders.Add(Header.Key, Header.Value);
+                }
+            }
+
+            if (Form.FormAuthenticator.ValidateEndpoint(Endpoint))
+            {
+                try{//Try statement to catch errors in the process of making the request
+                    var pendingResult = this.HttpClient.PostAsync(Endpoint, Body);
+                    var result = await pendingResult;
+                    string resultString = result.Content.ReadAsStringAsync().Result;
+
+                    return new ResponseModel{
+                        //Sender should be aware of type T becuase of Generic function
+                        Result = JsonConvert.DeserializeObject<T>(resultString)
+                    };
+                }catch(System.Exception e){
+                    return new ResponseModel{Error = e.Message};
+                }
+            }
+            //Returned in the event No other response has been returned
+            return new ResponseModel{Error = "Invalid Endpoint - Please try again later"};
+
+        }
+        
+        
+    }
+
+}

Controllers/Form/FormAuthenticator.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace EFB.Controllers.Form
+{
+    public static class FormAuthenticator
+    {
+        
+        public static bool ValidateEMail(string EMail){
+            if (EMail.Contains("@") && EMail.Contains(".") && !EMail.Contains(" "))
+            {
+                if (EMail.Count(x => x == '@') == 1)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public static bool ValidateEndpoint(string Endpoint){
+            //If it contains http & :// it can be either https or http
+            if (Endpoint.Contains("http") && Endpoint.Contains("://") && Endpoint.Length > 7)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        public static bool ValidateICAOCode(string ICAO){
+            if (ICAO.Length == 4)
+            {
+                //If the value contains a Number, then the value will return false
+                return !ICAO.Any(x => char.IsDigit(x));
+            }
+            return false;
+        }
+
+        public static bool ValidateCruiseAlt(int CruiseAlt){
+            if (CruiseAlt > 0 && CruiseAlt < 50000)
+            {
+                return true;
+            }
+            return false;
+        }
+
+
+    }
+}

Controllers/UserController.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using System.Net.Http;
+using EFB.Models.JSON;
+using Microsoft.Extensions.Logging;
+using EFB.Models;
+using EFB.Sessions;
+
+namespace EFB.Controllers
+{
+    //[Route("[controller]")]
+    public class UserController : Controller
+    {
+        private readonly ILogger<UserController> _logger;
+
+        public UserController(ILogger<UserController> logger)
+        {
+            _logger = logger;
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+
+        public async Task<IActionResult> Login(string email, string password){
+
+            if (Form.FormAuthenticator.ValidateEMail(email))
+            {
+                //API Helper
+                API.APIInterface API = new API.APIInterface();
+
+                //Dictionary of Formdata to be encoded
+                Dictionary<string, string> formData = new Dictionary<string, string>();
+
+                formData.Add("grant_type", "client_credentials");
+                formData.Add("client_id", email);
+                formData.Add("client_secret", password);
+
+                HttpContent content = new FormUrlEncodedContent(formData);
+                
+                var request = API.Post<Models.JSON.LoginResponse>("https://api.autorouter.aero/v1.0/oauth2/token", null, content);
+
+                //Wait for the response to come through
+                ResponseModel response = await request;
+
+                if (response.Error != null)
+                {
+                    TempData["Error"] = response.Error;
+                    TempData["email"] = email;
+                    return RedirectToAction("Index", "Home");
+                }else{
+
+                    //Type cast required but we know response will be of known type
+                    LoginResponse login = (LoginResponse)response.Result;
+
+                    //Generate User Session
+                    if (login.error == null)
+                    {
+                        UserModel user = new UserModel{
+                            EMail = email,
+                            Token = new TokenModel{
+                                Token = login.access_token,
+                                Expiration = DateTime.UtcNow.AddSeconds(login.expires_in)
+                            }
+                        };
+
+                        //Using Session Extensions (Store the user session)
+                        HttpContext.Session.SetObject("User", user);
+                        return RedirectToAction("App", "Home");
+                    }else{
+                        TempData["Error"] = login.error_description;
+                        TempData["email"] = email;
+                        return RedirectToAction("Index", "Home");
+                    }
+
+                    
+                }
+
+            }else{
+                TempData["Error"] = "Please enter a valid E-Mail";
+                return RedirectToAction("Index", "Home");
+            }
+
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View("Error!");
+        }
+    }
+}

EFB.csproj

@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
-
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
-
-</Project>
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1"/>
+  </ItemGroup>
+</Project>

Models/JSON/Login.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using System.Threading.Tasks;
+
+namespace EFB.Models.JSON
+{
+    public class Login
+    {
+        [JsonProperty]
+        public string grant_type { get; set; }
+        [JsonProperty]
+        public string client_id { get; set; }
+        [JsonProperty]
+        public string client_secret { get; set; }
+        
+    }
+}

Models/JSON/LoginResponse.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace EFB.Models.JSON
+{
+    public class LoginResponse
+    {
+        [JsonProperty]
+        public string access_token { get; set; }
+        [JsonProperty]
+        public int expires_in { get; set; }
+        [JsonProperty]
+        public string token_type { get; set; }
+        [JsonProperty]
+        public string scope { get; set; }
+        
+
+        [JsonProperty]
+        public string error { get; set; } = null;
+        [JsonProperty]
+        public string error_description { get; set; } = null;
+        
+        
+    }
+}

Models/ResponseModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace EFB.Models
+{
+    public class ResponseModel
+    {
+        //Object should be of known type from sender
+        public object Result { get; set; } = null;
+        
+        public string Error { get; set; } = null;
+        
+    }
+}

Models/UserModel.cs

@@ -26,14 +26,5 @@ namespace EFB.Models
         //Contains the most recently stored position of the user in the simulator
         public object SimPosition { get; set; } = null;
         
-        
-        
-        
-        
-        
-        
-        
-        
-        
     }
 }

Sessions/SessionExtensions.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+
+namespace EFB.Sessions
+{
+    public static class SessionExtensions
+    {
+        public static void SetObject(this ISession session, string key, object value)
+        {//Sets the object of a session to Object
+            session.SetString(key, JsonConvert.SerializeObject(value));
+        }
+
+        public static T GetObject<T>(this ISession session, string key)
+        {//Gets a session of known type (T)
+            var value = session.GetString(key);
+            return value == null ? default(T) : JsonConvert.DeserializeObject<T>(value);
+        }
+    }
+}

Startup.cs

@@ -24,6 +24,7 @@ namespace EFB
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddControllersWithViews();
+            services.AddSession();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -44,6 +45,8 @@ namespace EFB
 
             app.UseRouting();
 
+            app.UseSession();
+
             app.UseAuthorization();
 
             app.UseEndpoints(endpoints =>

Views/Home/Index.cshtml

@@ -1,8 +1,43 @@
 @{
-    ViewData["Title"] = "Home Page";
+    ViewData["Title"] = "Welcome";
 }
 
-<div class="text-center">
-    <h1 class="display-4">Welcome</h1>
-    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+<div class="row">
+
+    <div class="card-body col-md-6">
+        <div class="container jumbotron">
+            <h3>AutoRouter Login</h3>
+
+            <br />
+            <br />
+
+            <form asp-controller="User" asp-action="Login">
+                <div class="form-group">
+                    <input type="text" class="form-control" placeholder="E-Mail" name="email" value="@TempData["email"]">
+                </div>
+                <div class="form-group">
+                    <input type="password" class="form-control" placeholder="Password" name="password">
+                </div>
+                <button type="submit" class="btn btn-secondary">Login</button>
+
+                @{
+                    if (TempData["Error"] != null)
+                    {//If an error has been flagged, information will be displayed to the user
+
+                        <br />
+                        <br />
+
+                        <div class="alert alert-danger">
+                            <strong>Warning!</strong> @TempData["Error"] <button type='button' class='close' data-dismiss='alert' aria-hidden='true' />&times;
+                        </div>
+                    }
+                }
+            </form>
+        </div>
+    </div>
+
+    <div class="card-body mh-100 bg-warning col-md-6">
+        <img src="/images/MainImage.png" width="100%" height="100%" style="object-fit: cover;">
+    </div>
+
 </div>

Views/Shared/_Layout.cshtml

@@ -9,9 +9,9 @@
 </head>
 <body>
     <header>
-        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-dark bg-dark border-bottom box-shadow mb-3">
             <div class="container">
-                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">EFB</a>
+                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">Electronic Flight Bag</a>
                 <button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
                         aria-expanded="false" aria-label="Toggle navigation">
                     <span class="navbar-toggler-icon"></span>
@@ -19,10 +19,7 @@
                 <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                     <ul class="navbar-nav flex-grow-1">
                         <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
-                        </li>
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+                            <a class="nav-link text-light" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
                         </li>
                     </ul>
                 </div>
@@ -32,12 +29,15 @@
     <div class="container">
         <main role="main" class="pb-3">
             @RenderBody()
+            @{
+                //Render body is used to load the relevant view in relation to the controller
+            }
         </main>
     </div>
 
     <footer class="border-top footer text-muted">
         <div class="container">
-            &copy; 2021 - EFB - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+            &copy; 2021 - EFB - <a href="https://luke-else.co.uk">Luke Else</a>
         </div>
     </footer>
     <script src="~/lib/jquery/dist/jquery.min.js"></script>