src/JobsJobsJobs/Client/JobsJobsJobs.Client.csproj.user

@@ -3,5 +3,9 @@
   <PropertyGroup>
     <RazorPage_SelectedScaffolderID>RazorPageScaffolder</RazorPage_SelectedScaffolderID>
     <RazorPage_SelectedScaffolderCategoryPath>root/Common/RazorPage</RazorPage_SelectedScaffolderCategoryPath>
+    <ActiveDebugProfile>JobsJobsJobs</ActiveDebugProfile>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DebuggerFlavor>ProjectDebugger</DebuggerFlavor>
   </PropertyGroup>
 </Project>

src/JobsJobsJobs/Client/Pages/Citizen/Authorized.razor

@@ -1,3 +1,36 @@
 @page "/citizen/authorized"
+@inject HttpClient http
+@inject NavigationManager nav
+@inject AppState state
 
-<p>@Message</p>
+<p>@message</p>
+
+@code {
+    string message = "Logging you on with No Agenda Social...";
+
+    protected override async Task OnInitializedAsync()
+    {
+      // Exchange authorization code for a JWT
+      var query = QueryHelpers.ParseQuery(nav.ToAbsoluteUri(nav.Uri).Query);
+      if (query.TryGetValue("code", out var authCode))
+      {
+        var logOnResult = await ServerApi.LogOn(http, authCode);
+
+        if (logOnResult.IsOk)
+        {
+          var logOn = logOnResult.Ok;
+          state.User = new UserInfo(logOn.CitizenId, logOn.Name);
+          state.Jwt = logOn.Jwt;
+          nav.NavigateTo("/citizen/dashboard");
+        }
+        else
+        {
+          message = logOnResult.Error;
+        }
+      }
+      else
+      {
+        message = "Did not receive a token from No Agenda Social (perhaps you clicked \"Cancel\"?)";
+      }
+    }
+}

src/JobsJobsJobs/Client/Pages/Citizen/Authorized.razor.cs

@@ -1,69 +0,0 @@
-using JobsJobsJobs.Shared.Api;
-using Microsoft.AspNetCore.Components;
-using Microsoft.AspNetCore.WebUtilities;
-using System.Net.Http;
-using System.Net.Http.Json;
-using System.Threading.Tasks;
-
-namespace JobsJobsJobs.Client.Pages.Citizen
-{
-    public partial class Authorized : ComponentBase
-    {
-        /// <summary>
-        /// The message to be displayed to the user
-        /// </summary>
-        public string Message { get; set; } = "Logging you on with No Agenda Social...";
-
-        /// <summary>
-        /// HTTP client for performing API calls
-        /// </summary>
-        [Inject]
-        public HttpClient Http { get; init; } = default!;
-
-        /// <summary>
-        /// Navigation manager for getting parameters from the URL
-        /// </summary>
-        [Inject]
-        public NavigationManager Navigation { get; set; } = default!;
-
-        /// <summary>
-        /// Application state
-        /// </summary>
-        [Inject]
-        public AppState State { get; set; } = default!;
-
-        protected override async Task OnInitializedAsync()
-        {
-            // Exchange authorization code for a JWT
-            var query = QueryHelpers.ParseQuery(Navigation.ToAbsoluteUri(Navigation.Uri).Query);
-            if (query.TryGetValue("code", out var authCode))
-            {
-                var logOnResult = await Http.GetAsync($"api/citizen/log-on/{authCode}");
-
-                if (logOnResult != null)
-                {
-                    if (logOnResult.IsSuccessStatusCode)
-                    {
-                        var logOn = (await logOnResult.Content.ReadFromJsonAsync<LogOnSuccess>())!;
-                        State.User = new UserInfo(logOn.CitizenId, logOn.Name);
-                        State.Jwt = logOn.Jwt;
-                        Navigation.NavigateTo("/citizen/dashboard");
-                    }
-                    else
-                    {
-                        var errorMessage = await logOnResult.Content.ReadAsStringAsync();
-                        Message = $"Unable to log on with No Agenda Social: {errorMessage}";
-                    }
-                }
-                else
-                {
-                    Message = "Unable to log on with No Agenda Social. This should never happen; contact @danieljsummers";
-                }
-            }
-            else
-            {
-                Message = "Did not receive a token from No Agenda Social (perhaps you clicked \"Cancel\"?)";
-            }
-        }
-    }
-}

src/JobsJobsJobs/Client/Pages/Citizen/Dashboard.razor

@@ -1,9 +1,38 @@
 @page "/citizen/dashboard"
+@inject HttpClient http
+@inject AppState state
 
 <h3>Dashboard</h3>
 
 <p>Here's the dashboard, homie...</p>
 
+@if (hasProfile != null)
+{
+  <p>Has profile? @hasProfile</p>
+}
+
+@if (errorMessage != null)
+{
+  <p>@errorMessage</p>
+}
 @code {
 
+    bool? hasProfile = null;
+    string? errorMessage = null;
+
+    protected override async Task OnInitializedAsync()
+    {
+      if (state.User != null)
+      {
+        var profile = await ServerApi.RetrieveProfile(http, state);
+        if (profile.IsOk)
+        {
+          hasProfile = profile.Ok != null;
+        }
+        else
+        {
+          errorMessage = profile.Error;
+        }
+      }
+    }
 }

src/JobsJobsJobs/Client/ServerApi.cs

@@ -0,0 +1,81 @@
+using JobsJobsJobs.Shared;
+using JobsJobsJobs.Shared.Api;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Threading.Tasks;
+
+namespace JobsJobsJobs.Client
+{
+    /// <summary>
+    /// Functions used to access the API
+    /// </summary>
+    public static class ServerApi
+    {
+        /// <summary>
+        /// Create an API URL
+        /// </summary>
+        /// <param name="url">The URL to append to the API base URL</param>
+        /// <returns>The full URL to be used in HTTP requests</returns>
+        private static string ApiUrl(string url) => $"/api/{url}";
+
+        /// <summary>
+        /// Create an HTTP request with an authorization header
+        /// </summary>
+        /// <param name="state">The current application state</param>
+        /// <param name="url">The URL for the request (will be appended to the API root)</param>
+        /// <param name="method">The request method (optional, defaults to GET)</param>
+        /// <returns>A request with the header attached, ready for further manipulation</returns>
+        private static HttpRequestMessage WithHeader(AppState state, string url, HttpMethod? method = null)
+        {
+            var req = new HttpRequestMessage(method ?? HttpMethod.Get, ApiUrl(url));
+            req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", state.Jwt);
+            return req;
+        }
+
+        /// <summary>
+        /// Log on a user with the authorization code received from No Agenda Social
+        /// </summary>
+        /// <param name="http">The HTTP client to use for server communication</param>
+        /// <param name="authCode">The authorization code received from NAS</param>
+        /// <returns>The log on details if successful, an error if not</returns>
+        public static async Task<Result<LogOnSuccess>> LogOn(HttpClient http, string authCode)
+        {
+            try
+            {
+                var logOn = await http.GetFromJsonAsync<LogOnSuccess>(ApiUrl($"citizen/log-on/{authCode}"));
+                if (logOn == null) {
+                    return Result<LogOnSuccess>.AsError(
+                        "Unable to log on with No Agenda Social. This should never happen; contact @danieljsummers");
+                }
+                return Result<LogOnSuccess>.AsOk(logOn);
+            }
+            catch (HttpRequestException ex)
+            {
+                return Result<LogOnSuccess>.AsError($"Unable to log on with No Agenda Social: {ex.Message}");
+            }
+        }
+
+        /// <summary>
+        /// Retrieve a citizen's profile
+        /// </summary>
+        /// <param name="http">The HTTP client to use for server communication</param>
+        /// <param name="state">The current application state</param>
+        /// <returns>The citizen's profile, null if it is not found, or an error message if one occurs</returns>
+        public static async Task<Result<Profile?>> RetrieveProfile(HttpClient http, AppState state)
+        {
+            var req = WithHeader(state, "profile/");
+            var res = await http.SendAsync(req);
+            return true switch
+            {
+                _ when res.StatusCode == HttpStatusCode.NoContent => Result<Profile?>.AsOk(null),
+                _ when res.IsSuccessStatusCode => Result<Profile?>.AsOk(await res.Content.ReadFromJsonAsync<Profile>()),
+                _ => Result<Profile?>.AsError(await res.Content.ReadAsStringAsync()),
+            };
+        }
+    }
+}

src/JobsJobsJobs/Client/_Imports.razor

@@ -9,3 +9,4 @@
 @using Microsoft.JSInterop
 @using JobsJobsJobs.Client
 @using JobsJobsJobs.Client.Shared
+@using JobsJobsJobs.Shared

src/JobsJobsJobs/Server/Areas/Api/Controllers/ProfileController.cs

@@ -1,8 +1,14 @@
-using Microsoft.AspNetCore.Http;
+using JobsJobsJobs.Server.Data;
+using JobsJobsJobs.Shared;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using Npgsql;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Claims;
 using System.Threading.Tasks;
 
 namespace JobsJobsJobs.Server.Areas.Api.Controllers
@@ -11,10 +17,24 @@ namespace JobsJobsJobs.Server.Areas.Api.Controllers
     [ApiController]
     public class ProfileController : ControllerBase
     {
-        [HttpGet]
+        /// <summary>
+        /// The database connection
+        /// </summary>
+        private readonly NpgsqlConnection db;
+
+        public ProfileController(NpgsqlConnection dbConn)
+        {
+            db = dbConn;
+        }
+
+        [Authorize]
+        [HttpGet("")]
         public async Task<IActionResult> Get()
         {
-            return null;
+            await db.OpenAsync();
+            var profile = await db.FindProfileByCitizen(
+                CitizenId.Parse(User.FindFirst(ClaimTypes.NameIdentifier)!.Value));
+            return profile == null ? NoContent() : Ok(profile);
         }
     }
 }

src/JobsJobsJobs/Server/Data/NpgsqlDataReaderExtensions.cs

@@ -13,11 +13,11 @@ namespace JobsJobsJobs.Server.Data
     public static class NpgsqlDataReaderExtensions
     {
         /// <summary>
-        /// Get a string by its name
+        /// Get a boolean by its name
         /// </summary>
-        /// <param name="name">The name of the field to be retrieved as a string</param>
-        /// <returns>The specified field as a string</returns>
-        public static string GetString(this NpgsqlDataReader rdr, string name) => rdr.GetString(rdr.GetOrdinal(name));
+        /// <param name="name">The name of the field to be retrieved as a boolean</param>
+        /// <returns>The specified field as a boolean</returns>
+        public static bool GetBoolean(this NpgsqlDataReader rdr, string name) => rdr.GetBoolean(rdr.GetOrdinal(name));
 
         /// <summary>
         /// Get a 64-bit integer by its name
@@ -33,5 +33,19 @@ namespace JobsJobsJobs.Server.Data
         /// <returns>The specified field as milliseconds</returns>
         public static Milliseconds GetMilliseconds(this NpgsqlDataReader rdr, string name) =>
             new Milliseconds(rdr.GetInt64(name));
+
+        /// <summary>
+        /// Get a string by its name
+        /// </summary>
+        /// <param name="name">The name of the field to be retrieved as a string</param>
+        /// <returns>The specified field as a string</returns>
+        public static string GetString(this NpgsqlDataReader rdr, string name) => rdr.GetString(rdr.GetOrdinal(name));
+
+        /// <summary>
+        /// Determine if a column is null
+        /// </summary>
+        /// <param name="name">The name of the column to check</param>
+        /// <returns>True if the column is null, false if not</returns>
+        public static bool IsDBNull(this NpgsqlDataReader rdr, string name) => rdr.IsDBNull(rdr.GetOrdinal(name));
     }
 }

src/JobsJobsJobs/Server/Data/ProfileExtensions.cs

@@ -0,0 +1,52 @@
+using JobsJobsJobs.Shared;
+using Npgsql;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace JobsJobsJobs.Server.Data
+{
+    /// <summary>
+    /// Extensions to the NpgsqlConnection type to support manipulation of profiles
+    /// </summary>
+    public static class ProfileExtensions
+    {
+        /// <summary>
+        /// Populate a profile object from the given data reader
+        /// </summary>
+        /// <param name="rdr">The data reader from which values should be obtained</param>
+        /// <returns>The populated profile</returns>
+        private static Profile ToProfile(NpgsqlDataReader rdr)
+        {
+            var continentId = ContinentId.Parse(rdr.GetString("continent_id"));
+            return new Profile(CitizenId.Parse(rdr.GetString("id")), rdr.GetBoolean("seeking_employment"),
+                rdr.GetBoolean("is_public"), continentId, rdr.GetString("region"), rdr.GetBoolean("remote_work"),
+                rdr.GetBoolean("full_time"), new MarkdownString(rdr.GetString("biography")),
+                rdr.GetMilliseconds("last_updated_on"),
+                rdr.IsDBNull("experience") ? null : new MarkdownString(rdr.GetString("experience")))
+            {
+                Continent = new Continent(continentId, rdr.GetString("continent_name"))
+            };
+        }
+
+        /// <summary>
+        /// Retrieve an employment profile by a citizen ID
+        /// </summary>
+        /// <param name="citizen">The ID of the citizen whose profile should be retrieved</param>
+        /// <returns>The profile, or null if it does not exist</returns>
+        public static async Task<Profile?> FindProfileByCitizen(this NpgsqlConnection conn, CitizenId citizen)
+        {
+            using var cmd = conn.CreateCommand();
+            cmd.CommandText =
+                @"SELECT p.*, c.name AS continent_name
+                    FROM profile p
+                        INNER JOIN continent c ON p.continent_id = c.id
+                    WHERE citizen_id = @id";
+            cmd.Parameters.Add(new NpgsqlParameter("@id", citizen.Id.ToString()));
+
+            using var rdr = await cmd.ExecuteReaderAsync().ConfigureAwait(false);
+            return await rdr.ReadAsync().ConfigureAwait(false) ? ToProfile(rdr) : null;
+        }
+    }
+}

src/JobsJobsJobs/Server/JobsJobsJobs.Server.csproj

@@ -6,6 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="5.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="5.0.0" />
     <PackageReference Include="Npgsql" Version="5.0.0" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.8.0" />

src/JobsJobsJobs/Server/Startup.cs

@@ -1,4 +1,5 @@
-using JobsJobsJobs.Server.Data;
+                                                                                                                                using JobsJobsJobs.Server.Data;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpsPolicy;
@@ -6,8 +7,10 @@ using Microsoft.AspNetCore.ResponseCompression;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.IdentityModel.Tokens;
 using Npgsql;
 using System.Linq;
+using System.Text;
 
 namespace JobsJobsJobs.Server
 {
@@ -25,8 +28,27 @@ namespace JobsJobsJobs.Server
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddScoped(_ => new NpgsqlConnection(Configuration.GetConnectionString("JobsDb")));
+            services.AddLogging();
             services.AddControllersWithViews();
             services.AddRazorPages();
+            services.AddAuthentication(options =>
+            {
+                options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+                options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+                options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
+            }).AddJwtBearer(options =>
+            {
+                options.RequireHttpsMetadata = false;
+                options.TokenValidationParameters = new TokenValidationParameters
+                {
+                    ValidateIssuer = true,
+                    ValidateAudience = true,
+                    ValidAudience = "https://jobsjobs.jobs",
+                    ValidIssuer = "https://jobsjobs.jobs",
+                    IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(
+                        Configuration.GetSection("Auth")["ServerSecret"]))
+                };
+            });
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -52,6 +74,8 @@ namespace JobsJobsJobs.Server
             //       Alternately, maybe we can even configure the default services and middleware so that it will work
             //       to give us the currently-logged-on user.
             app.UseRouting();
+            app.UseAuthentication();
+            app.UseAuthorization();
 
             app.UseEndpoints(endpoints =>
             {

src/JobsJobsJobs/Shared/Domain/ContinentId.cs

@@ -12,5 +12,13 @@ namespace JobsJobsJobs.Shared
         /// </summary>
         /// <returns>A new continent ID</returns>
         public static async Task<ContinentId> Create() => new ContinentId(await ShortId.Create());
+
+        /// <summary>
+        /// Attempt to create a continent ID from a string
+        /// </summary>
+        /// <param name="id">The prospective ID</param>
+        /// <returns>The continent ID</returns>
+        /// <exception cref="System.FormatException">If the string is not a valid continent ID</exception>
+        public static ContinentId Parse(string id) => new ContinentId(ShortId.Parse(id));
     }
 }