feat(identity): add /users/@me endpoint

Foxchat.Chat/Controllers/Api/GuildsController.cs

@@ -5,6 +5,7 @@ using Foxchat.Chat.Services;
 using Foxchat.Core.Models;
 using Foxchat.Core.Models.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 using ApiError = Foxchat.Core.ApiError;
 
 namespace Foxchat.Chat.Controllers.Api;
@@ -16,10 +17,9 @@ public class GuildsController(ILogger logger, ChatContext db, UserResolverServic
     [HttpPost]
     public async Task<IActionResult> CreateGuild([FromBody] GuildsApi.CreateGuildRequest req)
     {
-        var (instance, sig) = HttpContext.GetSignatureOrThrow();
-        if (sig.UserId == null) throw new ApiError.IncomingFederationError("This endpoint requires a user ID.");
+        var (instance, _, userId) = HttpContext.GetSignatureWithUser();
 
-        var user = await userResolverService.ResolveUserAsync(instance, sig.UserId);
+        var user = await userResolverService.ResolveUserAsync(instance, userId);
 
         var guild = new Guild
         {
@@ -44,4 +44,41 @@ public class GuildsController(ILogger logger, ChatContext db, UserResolverServic
             [new Channels.PartialChannel(defaultChannel.Id.ToString(), defaultChannel.Name)])
         );
     }
+
+    [HttpGet("{id}")]
+    public async Task<IActionResult> GetGuild(Ulid id)
+    {
+        var (instance, _, userId) = HttpContext.GetSignatureWithUser();
+        var guild = await db.Guilds
+            .Include(g => g.Channels)
+            .FirstOrDefaultAsync(g =>
+                g.Id == id && g.Users.Any(u => u.RemoteUserId == userId && u.InstanceId == instance.Id));
+        if (guild == null) throw new ApiError.NotFound("Guild not found");
+
+        return Ok(new Guilds.Guild(
+            guild.Id.ToString(),
+            guild.Name,
+            [guild.OwnerId.ToString()],
+            guild.Channels.Select(c => new Channels.PartialChannel(c.Id.ToString(), c.Name))
+        ));
+    }
+
+    [HttpGet("@me")]
+    public async Task<IActionResult> GetUserGuilds()
+    {
+        var (instance, _, userId) = HttpContext.GetSignatureWithUser();
+        var guilds = await db.Guilds
+            .Include(g => g.Channels)
+            .Where(g => g.Users.Any(u => u.RemoteUserId == userId && u.InstanceId == instance.Id))
+            .ToListAsync();
+
+        var guildResponses = guilds.Select(g => new Guilds.Guild(
+            g.Id.ToString(),
+            g.Name,
+            [g.OwnerId.ToString()],
+            g.Channels.Select(c => new Channels.PartialChannel(c.Id.ToString(), c.Name))
+        ));
+
+        return Ok(guildResponses);
+    }
 }

Foxchat.Chat/Database/ChatContext.cs

@@ -1,6 +1,7 @@
 using Foxchat.Chat.Database.Models;
 using Foxchat.Core;
 using Foxchat.Core.Database;
+using Foxchat.Core.Extensions;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
 using Npgsql;
@@ -10,6 +11,7 @@ namespace Foxchat.Chat.Database;
 public class ChatContext : IDatabaseContext
 {
     private readonly NpgsqlDataSource _dataSource;
+    private readonly ILoggerFactory? _loggerFactory;
 
     public override DbSet<Instance> Instance { get; set; }
     public DbSet<IdentityInstance> IdentityInstances { get; set; }
@@ -18,7 +20,7 @@ public class ChatContext : IDatabaseContext
     public DbSet<Channel> Channels { get; set; }
     public DbSet<Message> Messages { get; set; }
 
-    public ChatContext(InstanceConfig config)
+    public ChatContext(InstanceConfig config, ILoggerFactory? loggerFactory)
     {
         var connString = new NpgsqlConnectionStringBuilder(config.Database.Url)
         {
@@ -29,12 +31,14 @@ public class ChatContext : IDatabaseContext
         var dataSourceBuilder = new NpgsqlDataSourceBuilder(connString);
         dataSourceBuilder.UseNodaTime();
         _dataSource = dataSourceBuilder.Build();
+        _loggerFactory = loggerFactory;
     }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         => optionsBuilder
             .UseNpgsql(_dataSource, o => o.UseNodaTime())
-            .UseSnakeCaseNamingConvention();
+            .UseSnakeCaseNamingConvention()
+            .UseLoggerFactory(_loggerFactory);
 
     protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
     {
@@ -73,6 +77,6 @@ public class DesignTimeIdentityContextFactory : IDesignTimeDbContextFactory<Chat
             // Get the configuration as our config class
             .Get<InstanceConfig>() ?? new();
 
-        return new ChatContext(config);
+        return new ChatContext(config, null);
     }
 }

Foxchat.Chat/Middleware/ServerAuthenticationMiddleware.cs

@@ -76,4 +76,11 @@ public static class HttpContextExtensions
 
         return ((IdentityInstance, SignatureData))obj!;
     }
+
+    public static (IdentityInstance, SignatureData, string) GetSignatureWithUser(this HttpContext ctx)
+    {
+        var (instance, sig) = ctx.GetSignatureOrThrow();
+        if (sig.UserId == null) throw new ApiError.IncomingFederationError("This endpoint requires a user ID.");
+        return (instance, sig, sig.UserId);
+    }
 }

Foxchat.Chat/Program.cs

@@ -4,13 +4,14 @@ using Foxchat.Core;
 using Foxchat.Chat;
 using Foxchat.Chat.Database;
 using Foxchat.Chat.Extensions;
+using Foxchat.Core.Extensions;
 using Newtonsoft.Json;
 
 var builder = WebApplication.CreateBuilder(args);
 
 var config = builder.AddConfiguration<InstanceConfig>("chat.ini");
 
-builder.AddSerilog(config.LogEventLevel);
+builder.AddSerilog();
 
 await BuildInfo.ReadBuildInfo();
 Log.Information("Starting Foxchat.Chat {Version} ({Hash})", BuildInfo.Version, BuildInfo.Hash);

Foxchat.Chat/chat.ini

@@ -2,9 +2,6 @@ Host = localhost
 Port = 7610
 Domain = chat.fox.localhost
 
-; The level to log things at. Valid settings: Verbose, Debug, Information, Warning, Error, Fatal
-LogEventLevel = Debug
-
 [Database]
 ; The database URL in ADO.NET format.
 Url = "Host=localhost;Database=foxchat_cs_chat;Username=foxchat;Password=password"
@@ -13,3 +10,11 @@ Url = "Host=localhost;Database=foxchat_cs_chat;Username=foxchat;Password=passwor
 Timeout = 5
 ; The maximum number of open connections. Defaults to 50.
 MaxPoolSize = 500
+
+[Logging]
+; The level to log things at. Valid settings: Verbose, Debug, Information, Warning, Error, Fatal
+LogEventLevel = Debug
+; Whether to log SQL queries.
+LogQueries = true
+; Optional logging to Seq
+SeqLogUrl = http://localhost:5341

Foxchat.Core/CoreConfig.cs

@@ -11,9 +11,7 @@ public class CoreConfig
 
     public string Address => $"{(Secure ? "https" : "http")}://{Host}:{Port}";
 
-    public LogEventLevel LogEventLevel { get; set; } = LogEventLevel.Debug;
-    public string? SeqLogUrl { get; set; }
-
+    public LoggingConfig Logging { get; set; } = new();
     public DatabaseConfig Database { get; set; } = new();
 
     public class DatabaseConfig
@@ -22,4 +20,11 @@ public class CoreConfig
         public int? Timeout { get; set; }
         public int? MaxPoolSize { get; set; }
     }
+
+    public class LoggingConfig
+    {
+        public LogEventLevel LogEventLevel { get; set; } = LogEventLevel.Debug;
+        public string? SeqLogUrl { get; set; }
+        public bool LogQueries { get; set; } = false;
+    }
 }

Foxchat.Core/Extensions/ServiceCollectionExtensions.cs

@@ -7,30 +7,32 @@ using NodaTime;
 using Serilog;
 using Serilog.Events;
 
-namespace Foxchat.Core;
+namespace Foxchat.Core.Extensions;
 
 public static class ServiceCollectionExtensions
 {
     /// <summary>
     /// Adds Serilog to this service collection. This method also initializes Serilog so it should be called as early as possible, before any log calls.
     /// </summary>
-    public static void AddSerilog(this WebApplicationBuilder builder, LogEventLevel level)
+    public static void AddSerilog(this WebApplicationBuilder builder)
     {
         var config = builder.Configuration.Get<CoreConfig>() ?? new();
 
         var logCfg = new LoggerConfiguration()
             .Enrich.FromLogContext()
-            .MinimumLevel.Is(level)
+            .MinimumLevel.Is(config.Logging.LogEventLevel)
             // ASP.NET's built in request logs are extremely verbose, so we use Serilog's instead.
-            // Serilog doesn't disable the built in logs so we do it here.
+            // Serilog doesn't disable the built-in logs, so we do it here.
             .MinimumLevel.Override("Microsoft", LogEventLevel.Information)
+            .MinimumLevel.Override("Microsoft.EntityFrameworkCore.Database.Command",
+                config.Logging.LogQueries ? LogEventLevel.Information : LogEventLevel.Warning)
             .MinimumLevel.Override("Microsoft.AspNetCore.Hosting", LogEventLevel.Warning)
             .MinimumLevel.Override("Microsoft.AspNetCore.Mvc", LogEventLevel.Warning)
             .MinimumLevel.Override("Microsoft.AspNetCore.Routing", LogEventLevel.Warning)
             .WriteTo.Console();
 
-        if (config.SeqLogUrl != null)
-            logCfg.WriteTo.Seq(config.SeqLogUrl, restrictedToMinimumLevel: LogEventLevel.Verbose);
+        if (config.Logging.SeqLogUrl != null)
+            logCfg.WriteTo.Seq(config.Logging.SeqLogUrl, restrictedToMinimumLevel: LogEventLevel.Verbose);
 
         Log.Logger = logCfg.CreateLogger();
 
@@ -54,9 +56,9 @@ public static class ServiceCollectionExtensions
         return services;
     }
 
-    public static T AddConfiguration<T>(this WebApplicationBuilder builder, string? configFile = null) where T : class, new()
+    public static T AddConfiguration<T>(this WebApplicationBuilder builder, string? configFile = null)
+        where T : class, new()
     {
-
         builder.Configuration.Sources.Clear();
         builder.Configuration.AddConfiguration(configFile);
 

Foxchat.Identity/Controllers/Oauth/PasswordAuthController.cs

@@ -25,7 +25,7 @@ public class PasswordAuthController(ILogger logger, IdentityContext db, IClock c
         var appToken =
             HttpContext.GetToken() ??
             throw new UnreachableException(); // GetApplicationOrThrow already gets the token and throws if it's null
-        var appScopes = appToken.ExpandScopes();
+        var appScopes = appToken.Scopes.ExpandScopes();
 
         if (req.Scopes.Except(appScopes).Any())
             throw new ApiError.Forbidden("Cannot request token scopes that are not allowed for this token",
@@ -54,7 +54,7 @@ public class PasswordAuthController(ILogger logger, IdentityContext db, IClock c
     {
         var app = HttpContext.GetApplicationOrThrow();
         var appToken = HttpContext.GetToken() ?? throw new UnreachableException();
-        var appScopes = appToken.ExpandScopes();
+        var appScopes = appToken.Scopes.ExpandScopes();
 
         if (req.Scopes.Except(appScopes).Any())
             throw new ApiError.Forbidden("Cannot request token scopes that are not allowed for this token",

Foxchat.Identity/Controllers/Oauth/TokenController.cs

@@ -15,7 +15,7 @@ public class TokenController(ILogger logger, IdentityContext db, IClock clock) :
     public async Task<IActionResult> PostToken([FromBody] PostTokenRequest req)
     {
         var app = await db.GetApplicationAsync(req.ClientId, req.ClientSecret);
-        var appScopes = app.ExpandScopes();
+        var appScopes = app.Scopes.ExpandScopes();
 
         var scopes = req.Scope.Split(' ');
         if (scopes.Except(appScopes).Any())
@@ -25,9 +25,9 @@ public class TokenController(ILogger logger, IdentityContext db, IClock clock) :
 
         switch (req.GrantType)
         {
-            case "client_credentials":
+            case OauthUtils.ClientCredentials:
                 return await HandleClientCredentialsAsync(app, scopes);
-            case "authorization_code":
+            case OauthUtils.AuthorizationCode:
                 // TODO
                 break;
             default:

Foxchat.Identity/Controllers/UsersController.cs

@@ -1,12 +1,17 @@
 using Foxchat.Core;
 using Foxchat.Core.Models;
 using Foxchat.Identity.Database;
+using Foxchat.Identity.Database.Models;
+using Foxchat.Identity.Middleware;
+using Foxchat.Identity.Utils;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
 
 namespace Foxchat.Identity.Controllers;
 
 [ApiController]
+[ClientAuthenticate]
 [Route("/_fox/ident/users")]
 public class UsersController(ILogger logger, InstanceConfig config, IdentityContext db) : ControllerBase
 {
@@ -18,4 +23,30 @@ public class UsersController(ILogger logger, InstanceConfig config, IdentityCont
 
         return Ok(new Users.User(user.Id.ToString(), user.Username, config.Domain, null));
     }
+
+    [HttpGet("@me")]
+    [Authorize("identify")]
+    public IActionResult GetMe()
+    {
+        var acct = HttpContext.GetAccountOrThrow();
+        var token = HttpContext.GetToken()!;
+        var showEmail = token.Scopes.ExpandScopes().Contains("email");
+
+        return Ok(new MeUser(
+            acct.Id,
+            acct.Username,
+            acct.Role,
+            null,
+            showEmail ? acct.Email : null
+        ));
+    }
+
+    public record MeUser(
+        Ulid Id,
+        string Username,
+        Account.AccountRole Role,
+        string? AvatarUrl,
+        [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
+        string? Email
+    );
 }

Foxchat.Identity/Database/IdentityContext.cs

@@ -1,5 +1,6 @@
 using Foxchat.Core;
 using Foxchat.Core.Database;
+using Foxchat.Core.Extensions;
 using Foxchat.Identity.Database.Models;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
@@ -10,6 +11,7 @@ namespace Foxchat.Identity.Database;
 public class IdentityContext : IDatabaseContext
 {
     private readonly NpgsqlDataSource _dataSource;
+    private readonly ILoggerFactory? _loggerFactory;
 
     public override DbSet<Instance> Instance { get; set; }
     public DbSet<Account> Accounts { get; set; }
@@ -18,7 +20,7 @@ public class IdentityContext : IDatabaseContext
     public DbSet<Token> Tokens { get; set; }
     public DbSet<GuildAccount> GuildAccounts { get; set; }
 
-    public IdentityContext(InstanceConfig config)
+    public IdentityContext(InstanceConfig config, ILoggerFactory? loggerFactory)
     {
         var connString = new NpgsqlConnectionStringBuilder(config.Database.Url)
         {
@@ -29,12 +31,14 @@ public class IdentityContext : IDatabaseContext
         var dataSourceBuilder = new NpgsqlDataSourceBuilder(connString);
         dataSourceBuilder.UseNodaTime();
         _dataSource = dataSourceBuilder.Build();
+        _loggerFactory = loggerFactory;
     }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-            => optionsBuilder
-                .UseNpgsql(_dataSource, o => o.UseNodaTime())
-                .UseSnakeCaseNamingConvention();
+        => optionsBuilder
+            .UseNpgsql(_dataSource, o => o.UseNodaTime())
+            .UseSnakeCaseNamingConvention()
+            .UseLoggerFactory(_loggerFactory);
 
     protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
     {
@@ -67,6 +71,6 @@ public class DesignTimeIdentityContextFactory : IDesignTimeDbContextFactory<Iden
             // Get the configuration as our config class
             .Get<InstanceConfig>() ?? new();
 
-        return new IdentityContext(config);
+        return new IdentityContext(config, null);
     }
 }

Foxchat.Identity/Middleware/ClientAuthorizationMiddleware.cs

@@ -24,8 +24,8 @@ public class ClientAuthorizationMiddleware(
         var token = ctx.GetToken();
         if (token == null || token.Expires < clock.GetCurrentInstant())
             throw new ApiError.Unauthorized("This endpoint requires an authenticated user.");
-        if (attribute.Scopes.Length > 0 && attribute.Scopes.Except(token.ExpandScopes()).Any())
-            throw new ApiError.Forbidden("This endpoint requires ungranted scopes.", attribute.Scopes.Except(token.ExpandScopes()));
+        if (attribute.Scopes.Length > 0 && attribute.Scopes.Except(token.Scopes.ExpandScopes()).Any())
+            throw new ApiError.Forbidden("This endpoint requires ungranted scopes.", attribute.Scopes.Except(token.Scopes.ExpandScopes()));
 
         await next(ctx);
     }

Foxchat.Identity/Program.cs

@@ -1,6 +1,7 @@
 using Newtonsoft.Json.Serialization;
 using Serilog;
 using Foxchat.Core;
+using Foxchat.Core.Extensions;
 using Foxchat.Identity;
 using Foxchat.Identity.Database;
 using Foxchat.Identity.Services;
@@ -11,7 +12,7 @@ var builder = WebApplication.CreateBuilder(args);
 
 var config = builder.AddConfiguration<InstanceConfig>("identity.ini");
 
-builder.AddSerilog(config.LogEventLevel);
+builder.AddSerilog();
 
 await BuildInfo.ReadBuildInfo();
 Log.Information("Starting Foxchat.Identity {Version} ({Hash})", BuildInfo.Version, BuildInfo.Hash);

Foxchat.Identity/Utils/OauthUtils.cs

@@ -6,7 +6,10 @@ namespace Foxchat.Identity.Utils;
 
 public static class OauthUtils
 {
-    public static readonly string[] Scopes = ["identify", "chat_client"];
+    public const string ClientCredentials = "client_credentials";
+    public const string AuthorizationCode = "authorization_code";
+
+    public static readonly string[] Scopes = ["identify", "email", "guilds", "chat_client"];
 
     private static readonly string[] ForbiddenSchemes = ["javascript", "file", "data", "mailto", "tel"];
     private const string OobUri = "urn:ietf:wg:oauth:2.0:oob";
@@ -25,11 +28,7 @@ public static class OauthUtils
         }
     }
 
-    public static string[] ExpandScopes(this Token token) => token.Scopes.Contains("chat_client")
+    public static string[] ExpandScopes(this string[] scopes) => scopes.Contains("chat_client")
         ? Scopes
-        : token.Scopes;
-
-    public static string[] ExpandScopes(this Application app) => app.Scopes.Contains("chat_client")
-        ? Scopes
-        : app.Scopes;
+        : scopes;
 }

Foxchat.Identity/identity.ini

@@ -2,11 +2,6 @@ Host = localhost
 Port = 7611
 Domain = id.fox.localhost
 
-; The level to log things at. Valid settings: Verbose, Debug, Information, Warning, Error, Fatal
-LogEventLevel = Debug
-; Optional logging to Seq
-SeqLogUrl = http://localhost:5341
-
 [Database]
 ; The database URL in ADO.NET format.
 Url = "Host=localhost;Database=foxchat_cs_ident;Username=foxchat;Password=password"
@@ -15,3 +10,11 @@ Url = "Host=localhost;Database=foxchat_cs_ident;Username=foxchat;Password=passwo
 Timeout = 5
 ; The maximum number of open connections. Defaults to 50.
 MaxPoolSize = 500
+
+[Logging]
+; The level to log things at. Valid settings: Verbose, Debug, Information, Warning, Error, Fatal
+LogEventLevel = Debug
+; Whether to log SQL queries.
+LogQueries = true
+; Optional logging to Seq
+SeqLogUrl = http://localhost:5341