Reimplement Web service

.run/Controller + Web + Agent x3.run.xml

@@ -1,9 +1,10 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Controller + Agent x3" type="CompoundRunConfigurationType">
+  <configuration default="false" name="Controller + Web + Agent x3" type="CompoundRunConfigurationType">
     <toRun name="Agent 1" type="DotNetProject" />
     <toRun name="Agent 2" type="DotNetProject" />
     <toRun name="Agent 3" type="DotNetProject" />
     <toRun name="Controller" type="DotNetProject" />
+    <toRun name="Web" type="DotNetProject" />
     <method v="2" />
   </configuration>
 </component>

.run/Controller + Web + Agent.run.xml

@@ -1,7 +1,8 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Controller + Agent" type="CompoundRunConfigurationType">
+  <configuration default="false" name="Controller + Web + Agent" type="CompoundRunConfigurationType">
     <toRun name="Agent 1" type="DotNetProject" />
     <toRun name="Controller" type="DotNetProject" />
+    <toRun name="Web" type="DotNetProject" />
     <method v="2" />
   </configuration>
 </component>

.run/Web.run.xml

@@ -0,0 +1,26 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Web" type="DotNetProject" factoryName=".NET Project">
+    <option name="EXE_PATH" value="$PROJECT_DIR$/.artifacts/bin/Phantom.Web/debug/Phantom.Web.exe" />
+    <option name="PROGRAM_PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/.workdir/Web" />
+    <option name="PASS_PARENT_ENVS" value="1" />
+    <envs>
+      <env name="ASPNETCORE_ENVIRONMENT" value="Development" />
+      <env name="CONTROLLER_HOST" value="localhost" />
+      <env name="WEB_KEY" value="BMNHM9RRPMCBBY29D9XHS6KBKZSRY7F5XFN27YZX96XXWJC2NM2D6YRHM9PZN9JGQGCSJ6FMB2GGZ" />
+      <env name="WEB_SERVER_HOST" value="localhost" />
+    </envs>
+    <option name="USE_EXTERNAL_CONSOLE" value="0" />
+    <option name="USE_MONO" value="0" />
+    <option name="RUNTIME_ARGUMENTS" value="" />
+    <option name="PROJECT_PATH" value="$PROJECT_DIR$/Web/Phantom.Web/Phantom.Web.csproj" />
+    <option name="PROJECT_EXE_PATH_TRACKING" value="1" />
+    <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
+    <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="0" />
+    <option name="PROJECT_KIND" value="DotNetCore" />
+    <option name="PROJECT_TFM" value="net8.0" />
+    <method v="2">
+      <option name="Build" />
+    </method>
+  </configuration>
+</component>

Agent/Phantom.Agent.Rpc/ControllerConnection.cs

@@ -18,8 +18,4 @@ public sealed class ControllerConnection {
 	public Task Send<TMessage>(TMessage message) where TMessage : IMessageToController {
 		return connection.Send(message);
 	}
-
-	public Task<TReply?> Send<TMessage, TReply>(TMessage message, TimeSpan waitForReplyTime, CancellationToken waitForReplyCancellationToken) where TMessage : IMessageToController<TReply> where TReply : class {
-		return connection.Send<TMessage, TReply>(message, waitForReplyTime, waitForReplyCancellationToken);
-	}
 }

Agent/Phantom.Agent/AgentKey.cs

@@ -1,5 +1,5 @@
 using NetMQ;
-using Phantom.Common.Data.Agent;
+using Phantom.Common.Data;
 using Phantom.Common.Logging;
 using Phantom.Utils.Cryptography;
 using Phantom.Utils.IO;

Common/Phantom.Common.Data.Web/Agent/AgentWithStats.cs

@@ -0,0 +1,22 @@
+using MemoryPack;
+using Phantom.Common.Data.Agent;
+
+namespace Phantom.Common.Data.Web.Agent;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record AgentWithStats(
+	[property: MemoryPackOrder(0)] Guid Guid,
+	[property: MemoryPackOrder(1)] string Name,
+	[property: MemoryPackOrder(2)] ushort ProtocolVersion,
+	[property: MemoryPackOrder(3)] string BuildVersion,
+	[property: MemoryPackOrder(4)] ushort MaxInstances,
+	[property: MemoryPackOrder(5)] RamAllocationUnits MaxMemory,
+	[property: MemoryPackOrder(6)] AllowedPorts? AllowedServerPorts,
+	[property: MemoryPackOrder(7)] AllowedPorts? AllowedRconPorts,
+	[property: MemoryPackOrder(8)] AgentStats? Stats,
+	[property: MemoryPackOrder(9)] DateTimeOffset? LastPing,
+	[property: MemoryPackOrder(10)] bool IsOnline
+) {
+	[MemoryPackIgnore]
+	public RamAllocationUnits? AvailableMemory => MaxMemory - Stats?.RunningInstanceMemory;
+}

Common/Phantom.Common.Data.Web/AuditLog/AuditLogEventType.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Database.Enums;
+namespace Phantom.Common.Data.Web.AuditLog;
 
 public enum AuditLogEventType {
 	AdministratorUserCreated,
@@ -6,6 +6,7 @@ public enum AuditLogEventType {
 	UserLoggedIn,
 	UserLoggedOut,
 	UserCreated,
+	UserPasswordChanged,
 	UserRolesChanged,
 	UserDeleted,
 	InstanceCreated,
@@ -15,13 +16,14 @@ public enum AuditLogEventType {
 	InstanceCommandExecuted
 }
 
-static class AuditLogEventTypeExtensions {
+public static class AuditLogEventTypeExtensions {
 	private static readonly Dictionary<AuditLogEventType, AuditLogSubjectType> SubjectTypes = new () {
 		{ AuditLogEventType.AdministratorUserCreated,  AuditLogSubjectType.User },
 		{ AuditLogEventType.AdministratorUserModified, AuditLogSubjectType.User },
 		{ AuditLogEventType.UserLoggedIn,              AuditLogSubjectType.User },
 		{ AuditLogEventType.UserLoggedOut,             AuditLogSubjectType.User },
 		{ AuditLogEventType.UserCreated,               AuditLogSubjectType.User },
+		{ AuditLogEventType.UserPasswordChanged,       AuditLogSubjectType.User },
 		{ AuditLogEventType.UserRolesChanged,          AuditLogSubjectType.User },
 		{ AuditLogEventType.UserDeleted,               AuditLogSubjectType.User },
 		{ AuditLogEventType.InstanceCreated,           AuditLogSubjectType.Instance },
@@ -39,7 +41,7 @@ static class AuditLogEventTypeExtensions {
 		}
 	}
 
-	internal static AuditLogSubjectType GetSubjectType(this AuditLogEventType type) {
+	public static AuditLogSubjectType GetSubjectType(this AuditLogEventType type) {
 		return SubjectTypes[type];
 	}
 }

Common/Phantom.Common.Data.Web/AuditLog/AuditLogItem.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.AuditLog;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record AuditLogItem(
+	[property: MemoryPackOrder(0)] DateTime UtcTime,
+	[property: MemoryPackOrder(1)] Guid? UserGuid,
+	[property: MemoryPackOrder(2)] string? UserName,
+	[property: MemoryPackOrder(3)] AuditLogEventType EventType,
+	[property: MemoryPackOrder(4)] AuditLogSubjectType SubjectType,
+	[property: MemoryPackOrder(5)] string? SubjectId,
+	[property: MemoryPackOrder(6)] string? JsonData
+);

Common/Phantom.Common.Data.Web/AuditLog/AuditLogSubjectType.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Database.Enums;
+namespace Phantom.Common.Data.Web.AuditLog;
 
 public enum AuditLogSubjectType {
 	User,

Common/Phantom.Common.Data.Web/EventLog/EventLogEventType.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Database.Enums;
+namespace Phantom.Common.Data.Web.EventLog;
 
 public enum EventLogEventType {
 	InstanceLaunchSucceded,
@@ -10,7 +10,7 @@ public enum EventLogEventType {
 	InstanceBackupFailed,
 }
 
-static class EventLogEventTypeExtensions {
+public static class EventLogEventTypeExtensions {
 	private static readonly Dictionary<EventLogEventType, EventLogSubjectType> SubjectTypes = new () {
 		{ EventLogEventType.InstanceLaunchSucceded, EventLogSubjectType.Instance },
 		{ EventLogEventType.InstanceLaunchFailed, EventLogSubjectType.Instance },

Common/Phantom.Common.Data.Web/EventLog/EventLogItem.cs

@@ -0,0 +1,13 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.EventLog;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record EventLogItem(
+	[property: MemoryPackOrder(0)] DateTime UtcTime,
+	[property: MemoryPackOrder(1)] Guid? AgentGuid,
+	[property: MemoryPackOrder(2)] EventLogEventType EventType,
+	[property: MemoryPackOrder(3)] EventLogSubjectType SubjectType,
+	[property: MemoryPackOrder(4)] string SubjectId,
+	[property: MemoryPackOrder(5)] string? JsonData
+);

Common/Phantom.Common.Data.Web/EventLog/EventLogSubjectType.cs

@@ -0,0 +1,5 @@
+namespace Phantom.Common.Data.Web.EventLog;
+
+public enum EventLogSubjectType {
+	Instance
+}

Common/Phantom.Common.Data.Web/Instance/CreateOrUpdateInstanceResult.cs

@@ -0,0 +1,23 @@
+namespace Phantom.Common.Data.Web.Instance;
+
+public enum CreateOrUpdateInstanceResult : byte {
+	UnknownError,
+	Success,
+	InstanceNameMustNotBeEmpty,
+	InstanceMemoryMustNotBeZero,
+	MinecraftVersionDownloadInfoNotFound,
+	AgentNotFound
+}
+
+public static class CreateOrUpdateInstanceResultExtensions {
+	public static string ToSentence(this CreateOrUpdateInstanceResult reason) {
+		return reason switch {
+			CreateOrUpdateInstanceResult.Success                              => "Success.",
+			CreateOrUpdateInstanceResult.InstanceNameMustNotBeEmpty           => "Instance name must not be empty.",
+			CreateOrUpdateInstanceResult.InstanceMemoryMustNotBeZero          => "Memory must not be 0 MB.",
+			CreateOrUpdateInstanceResult.MinecraftVersionDownloadInfoNotFound => "Could not find download information for the selected Minecraft version.",
+			CreateOrUpdateInstanceResult.AgentNotFound                        => "Agent not found.",
+			_                                                                 => "Unknown error."
+		};
+	}
+}

Common/Phantom.Common.Data.Web/Instance/Instance.cs

@@ -0,0 +1,15 @@
+using MemoryPack;
+using Phantom.Common.Data.Instance;
+
+namespace Phantom.Common.Data.Web.Instance;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record Instance(
+	[property: MemoryPackOrder(0)] InstanceConfiguration Configuration,
+	[property: MemoryPackOrder(1)] IInstanceStatus Status,
+	[property: MemoryPackOrder(2)] bool LaunchAutomatically
+) {
+	public static Instance Offline(InstanceConfiguration configuration, bool launchAutomatically = false) {
+		return new Instance(configuration, InstanceStatus.Offline, launchAutomatically);
+	}
+}

Common/Phantom.Common.Data.Web/Minecraft/JvmArgumentsHelper.cs

@@ -1,6 +1,6 @@
 using System.Collections.Immutable;
 
-namespace Phantom.Controller.Minecraft;
+namespace Phantom.Common.Data.Web.Minecraft;
 
 public static class JvmArgumentsHelper {
 	public static ImmutableArray<string> Split(string arguments) {

Common/Phantom.Common.Data.Web/Phantom.Common.Data.Web.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  
+  <PropertyGroup>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next.StrongName" />
+    <PackageReference Include="MemoryPack" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <ProjectReference Include="..\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+  </ItemGroup>
+  
+</Project>

Common/Phantom.Common.Data.Web/Users/AddRoleError.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Services.Users.Roles;
+namespace Phantom.Common.Data.Web.Users;
 
 public enum AddRoleError : byte {
 	NameIsEmpty,

Common/Phantom.Common.Data.Web/Users/AddUserError.cs

@@ -0,0 +1,28 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.Users.AddUserErrors;
+
+namespace Phantom.Common.Data.Web.Users {
+	[MemoryPackable]
+	[MemoryPackUnion(0, typeof(NameIsInvalid))]
+	[MemoryPackUnion(1, typeof(PasswordIsInvalid))]
+	[MemoryPackUnion(2, typeof(NameAlreadyExists))]
+	[MemoryPackUnion(3, typeof(UnknownError))]
+	public abstract partial record AddUserError {
+		internal AddUserError() {}
+	}
+}
+
+namespace Phantom.Common.Data.Web.Users.AddUserErrors {
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record NameIsInvalid([property: MemoryPackOrder(0)] UsernameRequirementViolation Violation) : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record PasswordIsInvalid([property: MemoryPackOrder(0)] ImmutableArray<PasswordRequirementViolation> Violations) : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record NameAlreadyExists : AddUserError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UnknownError : AddUserError;
+}

Common/Phantom.Common.Data.Web/Users/CreateOrUpdateAdministratorUserResult.cs

@@ -0,0 +1,31 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users.CreateOrUpdateAdministratorUserResults;
+
+namespace Phantom.Common.Data.Web.Users {
+	[MemoryPackable]
+	[MemoryPackUnion(0, typeof(Success))]
+	[MemoryPackUnion(1, typeof(CreationFailed))]
+	[MemoryPackUnion(2, typeof(UpdatingFailed))]
+	[MemoryPackUnion(3, typeof(AddingToRoleFailed))]
+	[MemoryPackUnion(4, typeof(UnknownError))]
+	public abstract partial record CreateOrUpdateAdministratorUserResult {
+		internal CreateOrUpdateAdministratorUserResult() {}
+	}
+}
+
+namespace Phantom.Common.Data.Web.Users.CreateOrUpdateAdministratorUserResults {
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record Success([property: MemoryPackOrder(0)] UserInfo User) : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record CreationFailed([property: MemoryPackOrder(0)] AddUserError Error) : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UpdatingFailed([property: MemoryPackOrder(0)] SetUserPasswordError Error) : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record AddingToRoleFailed : CreateOrUpdateAdministratorUserResult;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UnknownError : CreateOrUpdateAdministratorUserResult;
+}

Common/Phantom.Common.Data.Web/Users/DeleteUserResult.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Services.Users;
+namespace Phantom.Common.Data.Web.Users;
 
 public enum DeleteUserResult : byte {
 	Deleted,

Common/Phantom.Common.Data.Web/Users/LogInSuccess.cs

@@ -0,0 +1,11 @@
+using System.Collections.Immutable;
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record LogInSuccess (
+	[property: MemoryPackOrder(0)] Guid UserGuid,
+	[property: MemoryPackOrder(1)] PermissionSet Permissions,
+	[property: MemoryPackOrder(2)] ImmutableArray<byte> Token
+);

Common/Phantom.Common.Data.Web/Users/PasswordRequirementViolation.cs

@@ -0,0 +1,27 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users.PasswordRequirementViolations;
+
+namespace Phantom.Common.Data.Web.Users {
+	[MemoryPackable]
+	[MemoryPackUnion(0, typeof(TooShort))]
+	[MemoryPackUnion(1, typeof(MustContainLowercaseLetter))]
+	[MemoryPackUnion(2, typeof(MustContainUppercaseLetter))]
+	[MemoryPackUnion(3, typeof(MustContainDigit))]
+	public abstract partial record PasswordRequirementViolation {
+		internal PasswordRequirementViolation() {}
+	}
+}
+
+namespace Phantom.Common.Data.Web.Users.PasswordRequirementViolations {
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record TooShort([property: MemoryPackOrder(0)] int MinimumLength) : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record MustContainLowercaseLetter : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record MustContainUppercaseLetter : PasswordRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record MustContainDigit : PasswordRequirementViolation;
+}

Common/Phantom.Common.Data.Web/Users/Permission.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Controller.Services.Users.Permissions;
+namespace Phantom.Common.Data.Web.Users;
 
 public sealed record Permission(string Id, Permission? Parent) {
 	private static readonly List<Permission> AllPermissions = new ();

Common/Phantom.Common.Data.Web/Users/PermissionSet.cs

@@ -0,0 +1,29 @@
+using System.Collections.Immutable;
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial class PermissionSet {
+	public static PermissionSet None { get; } = new (ImmutableHashSet<string>.Empty);
+	
+	[MemoryPackOrder(0)]
+	[MemoryPackInclude]
+	private readonly ImmutableHashSet<string> permissionIds;
+
+	public PermissionSet(ImmutableHashSet<string> permissionIds) {
+		this.permissionIds = permissionIds;
+	}
+
+	public bool Check(Permission? permission) {
+		while (permission != null) {
+			if (!permissionIds.Contains(permission.Id)) {
+				return false;
+			}
+
+			permission = permission.Parent;
+		}
+
+		return true;
+	}
+}

Common/Phantom.Common.Data.Web/Users/RoleInfo.cs

@@ -0,0 +1,9 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RoleInfo(
+	[property: MemoryPackOrder(0)] Guid Guid,
+	[property: MemoryPackOrder(1)] string Name
+);

Common/Phantom.Common.Data.Web/Users/SetUserPasswordError.cs

@@ -0,0 +1,24 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.Users.SetUserPasswordErrors;
+
+namespace Phantom.Common.Data.Web.Users {
+	[MemoryPackable]
+	[MemoryPackUnion(0, typeof(UserNotFound))]
+	[MemoryPackUnion(1, typeof(PasswordIsInvalid))]
+	[MemoryPackUnion(2, typeof(UnknownError))]
+	public abstract partial record SetUserPasswordError {
+		internal SetUserPasswordError() {}
+	}
+}
+
+namespace Phantom.Common.Data.Web.Users.SetUserPasswordErrors {
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UserNotFound : SetUserPasswordError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record PasswordIsInvalid([property: MemoryPackOrder(0)] ImmutableArray<PasswordRequirementViolation> Violations) : SetUserPasswordError;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record UnknownError : SetUserPasswordError;
+}

Common/Phantom.Common.Data.Web/Users/UserInfo.cs

@@ -0,0 +1,9 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Web.Users;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record UserInfo(
+	[property: MemoryPackOrder(0)] Guid Guid,
+	[property: MemoryPackOrder(1)] string Name
+);

Common/Phantom.Common.Data.Web/Users/UserPasswords.cs

@@ -0,0 +1,12 @@
+namespace Phantom.Common.Data.Web.Users;
+
+public static class UserPasswords {
+	public static string Hash(string password) {
+		return BCrypt.Net.BCrypt.HashPassword(password, workFactor: 12);
+	}
+
+	public static bool Verify(string password, string hash) {
+		// TODO rehash
+		return BCrypt.Net.BCrypt.Verify(password, hash);
+	}
+}

Common/Phantom.Common.Data.Web/Users/UsernameRequirementViolation.cs

@@ -0,0 +1,19 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users.UsernameRequirementViolations;
+
+namespace Phantom.Common.Data.Web.Users {
+	[MemoryPackable]
+	[MemoryPackUnion(0, typeof(IsEmpty))]
+	[MemoryPackUnion(1, typeof(TooLong))]
+	public abstract partial record UsernameRequirementViolation {
+		internal UsernameRequirementViolation() {}
+	}
+}
+
+namespace Phantom.Common.Data.Web.Users.UsernameRequirementViolations {
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record IsEmpty : UsernameRequirementViolation;
+
+	[MemoryPackable(GenerateType.VersionTolerant)]
+	public sealed partial record TooLong([property: MemoryPackOrder(0)] int MaxLength) : UsernameRequirementViolation;
+}

Common/Phantom.Common.Data/Agent/AgentStats.cs

@@ -0,0 +1,9 @@
+using MemoryPack;
+
+namespace Phantom.Common.Data.Agent;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record AgentStats(
+	[property: MemoryPackOrder(0)] int RunningInstanceCount,
+	[property: MemoryPackOrder(1)] RamAllocationUnits RunningInstanceMemory
+);

Common/Phantom.Common.Data/AuthToken.cs

@@ -2,7 +2,7 @@
 using System.Security.Cryptography;
 using MemoryPack;
 
-namespace Phantom.Common.Data.Agent;
+namespace Phantom.Common.Data;
 
 [MemoryPackable(GenerateType.VersionTolerant)]
 [SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]

Common/Phantom.Common.Data/ConnectionCommonKey.cs

@@ -1,4 +1,4 @@
-namespace Phantom.Common.Data.Agent;
+namespace Phantom.Common.Data;
 
 public readonly record struct ConnectionCommonKey(byte[] CertificatePublicKey, AuthToken AuthToken) {
 	private const byte TokenLength = AuthToken.Length;

Common/Phantom.Common.Data/Minecraft/MinecraftVersion.cs

@@ -1,7 +1,10 @@
-namespace Phantom.Common.Data.Minecraft;
+using MemoryPack;
 
-public sealed record MinecraftVersion(
-	string Id,
-	MinecraftVersionType Type,
-	string MetadataUrl
+namespace Phantom.Common.Data.Minecraft;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record MinecraftVersion(
+	[property: MemoryPackOrder(0)] string Id,
+	[property: MemoryPackOrder(1)] MinecraftVersionType Type,
+	[property: MemoryPackOrder(2)] string MetadataUrl
 );

Common/Phantom.Common.Messages.Agent/ToController/RegisterAgentMessage.cs

@@ -1,4 +1,5 @@
 using MemoryPack;
+using Phantom.Common.Data;
 using Phantom.Common.Data.Agent;
 using Phantom.Utils.Rpc.Message;
 

Common/Phantom.Common.Messages.Web/IMessageToControllerListener.cs

@@ -1,8 +1,29 @@
-using Phantom.Common.Messages.Web.BiDirectional;
+using System.Collections.Immutable;
+using Phantom.Common.Data.Java;
+using Phantom.Common.Data.Minecraft;
+using Phantom.Common.Data.Replies;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Common.Data.Web.EventLog;
+using Phantom.Common.Data.Web.Instance;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToController;
 using Phantom.Utils.Rpc.Message;
 
 namespace Phantom.Common.Messages.Web;
 
 public interface IMessageToControllerListener {
+	Task<NoReply> HandleRegisterWeb(RegisterWebMessage message);
+	Task<LogInSuccess?> HandleLogIn(LogInMessage message);
+	Task<CreateOrUpdateAdministratorUserResult> HandleCreateOrUpdateAdministratorUser(CreateOrUpdateAdministratorUserMessage message);
+	Task<InstanceActionResult<CreateOrUpdateInstanceResult>> HandleCreateOrUpdateInstance(CreateOrUpdateInstanceMessage message);
+	Task<InstanceActionResult<LaunchInstanceResult>> HandleLaunchInstance(LaunchInstanceMessage message);
+	Task<InstanceActionResult<StopInstanceResult>> HandleStopInstance(StopInstanceMessage message);
+	Task<InstanceActionResult<SendCommandToInstanceResult>> HandleSendCommandToInstance(SendCommandToInstanceMessage message);
+	Task<ImmutableArray<MinecraftVersion>> HandleGetMinecraftVersions(GetMinecraftVersionsMessage message);
+	Task<ImmutableDictionary<Guid, ImmutableArray<TaggedJavaRuntime>>> HandleGetAgentJavaRuntimes(GetAgentJavaRuntimesMessage message);
+	Task<ImmutableArray<UserInfo>> HandleGetUsers(GetUsersMessage message);
+	Task<ImmutableArray<AuditLogItem>> HandleGetAuditLog(GetAuditLogMessage message);
+	Task<ImmutableArray<EventLogItem>> HandleGetEventLog(GetEventLogMessage message);
 	Task<NoReply> HandleReply(ReplyMessage message);
 }

Common/Phantom.Common.Messages.Web/IMessageToWebListener.cs

@@ -1,8 +1,12 @@
 using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToWeb;
 using Phantom.Utils.Rpc.Message;
 
 namespace Phantom.Common.Messages.Web;
 
 public interface IMessageToWebListener {
+	Task<NoReply> HandleRegisterWebResult(RegisterWebResultMessage message);
+	Task<NoReply> HandleRefreshAgents(RefreshAgentsMessage message);
+	Task<NoReply> HandleRefreshInstances(RefreshInstancesMessage message);
 	Task<NoReply> HandleReply(ReplyMessage message);
 }

Common/Phantom.Common.Messages.Web/Phantom.Common.Messages.Web.csproj

@@ -8,6 +8,7 @@
   <ItemGroup>
     <ProjectReference Include="..\Phantom.Common.Logging\Phantom.Common.Logging.csproj" />
     <ProjectReference Include="..\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+    <ProjectReference Include="..\Phantom.Common.Data.Web\Phantom.Common.Data.Web.csproj" />
     <ProjectReference Include="..\..\Utils\Phantom.Utils.Rpc\Phantom.Utils.Rpc.csproj" />
   </ItemGroup>
 

Common/Phantom.Common.Messages.Web/ToController/CreateOrUpdateAdministratorUserMessage.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record CreateOrUpdateAdministratorUserMessage(
+	[property: MemoryPackOrder(0)] string Username,
+	[property: MemoryPackOrder(1)] string Password
+) : IMessageToController<CreateOrUpdateAdministratorUserResult> {
+	public Task<CreateOrUpdateAdministratorUserResult> Accept(IMessageToControllerListener listener) {
+		return listener.HandleCreateOrUpdateAdministratorUser(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/CreateOrUpdateInstanceMessage.cs

@@ -0,0 +1,16 @@
+using MemoryPack;
+using Phantom.Common.Data.Instance;
+using Phantom.Common.Data.Replies;
+using Phantom.Common.Data.Web.Instance;
+
+namespace Phantom.Common.Messages.Web.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record CreateOrUpdateInstanceMessage(
+	[property: MemoryPackOrder(0)] Guid LoggedInUserGuid,
+	[property: MemoryPackOrder(1)] InstanceConfiguration Configuration
+) : IMessageToController<InstanceActionResult<CreateOrUpdateInstanceResult>> {
+	public Task<InstanceActionResult<CreateOrUpdateInstanceResult>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleCreateOrUpdateInstance(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/GetAgentJavaRuntimesMessage.cs

@@ -0,0 +1,12 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Java;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record GetAgentJavaRuntimesMessage : IMessageToController<ImmutableDictionary<Guid, ImmutableArray<TaggedJavaRuntime>>> {
+	public Task<ImmutableDictionary<Guid, ImmutableArray<TaggedJavaRuntime>>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleGetAgentJavaRuntimes(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/GetAuditLogMessage.cs

@@ -0,0 +1,14 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.AuditLog;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record GetAuditLogMessage(
+	[property: MemoryPackOrder(0)] int Count
+) : IMessageToController<ImmutableArray<AuditLogItem>> {
+	public Task<ImmutableArray<AuditLogItem>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleGetAuditLog(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/GetEventLogMessage.cs

@@ -0,0 +1,14 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.EventLog;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record GetEventLogMessage(
+	[property: MemoryPackOrder(0)] int Count
+) : IMessageToController<ImmutableArray<EventLogItem>> {
+	public Task<ImmutableArray<EventLogItem>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleGetEventLog(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/GetMinecraftVersionsMessage.cs

@@ -0,0 +1,12 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Minecraft;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record GetMinecraftVersionsMessage : IMessageToController<ImmutableArray<MinecraftVersion>> {
+	public Task<ImmutableArray<MinecraftVersion>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleGetMinecraftVersions(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/GetUsersMessage.cs

@@ -0,0 +1,12 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.Users;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record GetUsersMessage : IMessageToController<ImmutableArray<UserInfo>> {
+	public Task<ImmutableArray<UserInfo>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleGetUsers(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/LaunchInstanceMessage.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+using Phantom.Common.Data.Replies;
+
+namespace Phantom.Common.Messages.Web.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record LaunchInstanceMessage(
+	[property: MemoryPackOrder(0)] Guid LoggedInUserGuid,
+	[property: MemoryPackOrder(1)] Guid InstanceGuid
+) : IMessageToController<InstanceActionResult<LaunchInstanceResult>> {
+	public Task<InstanceActionResult<LaunchInstanceResult>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleLaunchInstance(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/LogInMessage.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+using Phantom.Common.Data.Web.Users;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record LogInMessage(
+	[property: MemoryPackOrder(0)] string Username,
+	[property: MemoryPackOrder(1)] string Password
+) : IMessageToController<LogInSuccess?> {
+	public Task<LogInSuccess?> Accept(IMessageToControllerListener listener) {
+		return listener.HandleLogIn(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/RegisterWebMessage.cs

@@ -0,0 +1,14 @@
+using MemoryPack;
+using Phantom.Common.Data;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web.ToController;
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RegisterWebMessage(
+	[property: MemoryPackOrder(0)] AuthToken AuthToken
+) : IMessageToController {
+	public Task<NoReply> Accept(IMessageToControllerListener listener) {
+		return listener.HandleRegisterWeb(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/SendCommandToInstanceMessage.cs

@@ -0,0 +1,15 @@
+using MemoryPack;
+using Phantom.Common.Data.Replies;
+
+namespace Phantom.Common.Messages.Web.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record SendCommandToInstanceMessage(
+	[property: MemoryPackOrder(0)] Guid LoggedInUserGuid,
+	[property: MemoryPackOrder(1)] Guid InstanceGuid,
+	[property: MemoryPackOrder(2)] string Command
+) : IMessageToController<InstanceActionResult<SendCommandToInstanceResult>> {
+	public Task<InstanceActionResult<SendCommandToInstanceResult>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleSendCommandToInstance(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToController/StopInstanceMessage.cs

@@ -0,0 +1,16 @@
+using MemoryPack;
+using Phantom.Common.Data.Minecraft;
+using Phantom.Common.Data.Replies;
+
+namespace Phantom.Common.Messages.Web.ToController; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record StopInstanceMessage(
+	[property: MemoryPackOrder(0)] Guid LoggedInUserGuid,
+	[property: MemoryPackOrder(1)] Guid InstanceGuid,
+	[property: MemoryPackOrder(2)] MinecraftStopStrategy StopStrategy
+) : IMessageToController<InstanceActionResult<StopInstanceResult>> {
+	public Task<InstanceActionResult<StopInstanceResult>> Accept(IMessageToControllerListener listener) {
+		return listener.HandleStopInstance(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToWeb/RefreshAgentsMessage.cs

@@ -0,0 +1,15 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.Agent;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web.ToWeb; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RefreshAgentsMessage(
+	[property: MemoryPackOrder(0)] ImmutableArray<AgentWithStats> Agents
+) : IMessageToWeb {
+	public Task<NoReply> Accept(IMessageToWebListener listener) {
+		return listener.HandleRefreshAgents(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToWeb/RefreshInstancesMessage.cs

@@ -0,0 +1,15 @@
+using System.Collections.Immutable;
+using MemoryPack;
+using Phantom.Common.Data.Web.Instance;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web.ToWeb; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RefreshInstancesMessage(
+	[property: MemoryPackOrder(0)] ImmutableArray<Instance> Instances
+) : IMessageToWeb {
+	public Task<NoReply> Accept(IMessageToWebListener listener) {
+		return listener.HandleRefreshInstances(this);
+	}
+}

Common/Phantom.Common.Messages.Web/ToWeb/RegisterWebResultMessage.cs

@@ -0,0 +1,13 @@
+using MemoryPack;
+using Phantom.Utils.Rpc.Message;
+
+namespace Phantom.Common.Messages.Web.ToWeb; 
+
+[MemoryPackable(GenerateType.VersionTolerant)]
+public sealed partial record RegisterWebResultMessage(
+	[property: MemoryPackOrder(0)] bool Success
+) : IMessageToWeb {
+	public Task<NoReply> Accept(IMessageToWebListener listener) {
+		return listener.HandleRegisterWebResult(this);
+	}
+}

Common/Phantom.Common.Messages.Web/WebMessageRegistries.cs

@@ -1,5 +1,15 @@
-using Phantom.Common.Logging;
+using System.Collections.Immutable;
+using Phantom.Common.Data.Java;
+using Phantom.Common.Data.Minecraft;
+using Phantom.Common.Data.Replies;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Common.Data.Web.EventLog;
+using Phantom.Common.Data.Web.Instance;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Logging;
 using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToController;
+using Phantom.Common.Messages.Web.ToWeb;
 using Phantom.Utils.Rpc.Message;
 
 namespace Phantom.Common.Messages.Web;
@@ -11,8 +21,22 @@ public static class WebMessageRegistries {
 	public static IMessageDefinitions<IMessageToWebListener, IMessageToControllerListener, ReplyMessage> Definitions { get; } = new MessageDefinitions();
 
 	static WebMessageRegistries() {
+		ToController.Add<RegisterWebMessage>(0);
+		ToController.Add<LogInMessage, LogInSuccess?>(1);
+		ToController.Add<CreateOrUpdateAdministratorUserMessage, CreateOrUpdateAdministratorUserResult>(2);
+		ToController.Add<CreateOrUpdateInstanceMessage, InstanceActionResult<CreateOrUpdateInstanceResult>>(3);
+		ToController.Add<LaunchInstanceMessage, InstanceActionResult<LaunchInstanceResult>>(4);
+		ToController.Add<StopInstanceMessage, InstanceActionResult<StopInstanceResult>>(5);
+		ToController.Add<GetMinecraftVersionsMessage, ImmutableArray<MinecraftVersion>>(6);
+		ToController.Add<GetAgentJavaRuntimesMessage, ImmutableDictionary<Guid, ImmutableArray<TaggedJavaRuntime>>>(7);
+		ToController.Add<GetUsersMessage, ImmutableArray<UserInfo>>(8);
+		ToController.Add<GetAuditLogMessage, ImmutableArray<AuditLogItem>>(9);
+		ToController.Add<GetEventLogMessage, ImmutableArray<EventLogItem>>(10);
 		ToController.Add<ReplyMessage>(127);
 		
+		ToWeb.Add<RegisterWebResultMessage>(0);
+		ToWeb.Add<RefreshAgentsMessage>(1);
+		ToWeb.Add<RefreshInstancesMessage>(2);
 		ToWeb.Add<ReplyMessage>(127);
 	}
 
@@ -21,7 +45,7 @@ public static class WebMessageRegistries {
 		public MessageRegistry<IMessageToControllerListener> ToServer => ToController;
 
 		public bool IsRegistrationMessage(Type messageType) {
-			return false;
+			return messageType == typeof(RegisterWebMessage);
 		}
 
 		public ReplyMessage CreateReplyMessage(uint sequenceId, byte[] serializedReply) {

Controller/Phantom.Controller.Database.Postgres/ApplicationDbContextFactory.cs

@@ -4,17 +4,21 @@ using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
 
 namespace Phantom.Controller.Database.Postgres;
 
-public sealed class ApplicationDbContextFactory : IDatabaseProvider {
+public sealed class ApplicationDbContextFactory : IDbContextProvider {
 	private readonly PooledDbContextFactory<ApplicationDbContext> factory;
 	
 	public ApplicationDbContextFactory(string connectionString) {
 		this.factory = new PooledDbContextFactory<ApplicationDbContext>(CreateOptions(connectionString), poolSize: 32);
 	}
 
-	public ApplicationDbContext Provide() {
+	public ApplicationDbContext Eager() {
 		return factory.CreateDbContext();
 	}
 
+	public ILazyDbContext Lazy() {
+		return new LazyDbContext(this);
+	}
+
 	private static DbContextOptions<ApplicationDbContext> CreateOptions(string connectionString) {
 		var builder = new DbContextOptionsBuilder<ApplicationDbContext>();
 		builder.UseNpgsql(connectionString, ConfigureOptions);

Controller/Phantom.Controller.Database.Postgres/LazyDbContext.cs

@@ -0,0 +1,16 @@
+namespace Phantom.Controller.Database.Postgres;
+
+sealed class LazyDbContext : ILazyDbContext {
+	public ApplicationDbContext Ctx => cachedContext ??= contextFactory.Eager();
+
+	private readonly ApplicationDbContextFactory contextFactory;
+	private ApplicationDbContext? cachedContext;
+
+	internal LazyDbContext(ApplicationDbContextFactory contextFactory) {
+		this.contextFactory = contextFactory;
+	}
+
+	public ValueTask DisposeAsync() {
+		return cachedContext?.DisposeAsync() ?? ValueTask.CompletedTask;
+	}
+}

Controller/Phantom.Controller.Database/ApplicationDbContext.cs

@@ -3,9 +3,10 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using Phantom.Common.Data;
 using Phantom.Common.Data.Minecraft;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Common.Data.Web.EventLog;
 using Phantom.Controller.Database.Converters;
 using Phantom.Controller.Database.Entities;
-using Phantom.Controller.Database.Enums;
 using Phantom.Controller.Database.Factories;
 
 namespace Phantom.Controller.Database;

Controller/Phantom.Controller.Database/DatabaseMigrator.cs

@@ -8,8 +8,8 @@ namespace Phantom.Controller.Database;
 public static class DatabaseMigrator {
 	private static readonly ILogger Logger = PhantomLogger.Create(nameof(DatabaseMigrator));
 	
-	public static async Task Run(IDatabaseProvider databaseProvider, CancellationToken cancellationToken) {
-		await using var ctx = databaseProvider.Provide();
+	public static async Task Run(IDbContextProvider dbProvider, CancellationToken cancellationToken) {
+		await using var ctx = dbProvider.Eager();
 
 		Logger.Information("Connecting to database...");
 

Controller/Phantom.Controller.Database/Entities/AuditLogEntity.cs

@@ -2,7 +2,7 @@
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
-using Phantom.Controller.Database.Enums;
+using Phantom.Common.Data.Web.AuditLog;
 
 namespace Phantom.Controller.Database.Entities;
 

Controller/Phantom.Controller.Database/Entities/EventLogEntity.cs

@@ -2,7 +2,7 @@
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
-using Phantom.Controller.Database.Enums;
+using Phantom.Common.Data.Web.EventLog;
 
 namespace Phantom.Controller.Database.Entities;
 

Controller/Phantom.Controller.Database/Entities/UserEntity.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Phantom.Common.Data.Web.Users;
 
 namespace Phantom.Controller.Database.Entities;
 
@@ -11,9 +12,13 @@ public sealed class UserEntity {
 	public string Name { get; set; }
 	public string PasswordHash { get; set; }
 
-	public UserEntity(Guid userGuid, string name) {
+	public UserEntity(Guid userGuid, string name, string passwordHash) {
 		UserGuid = userGuid;
 		Name = name;
-		PasswordHash = null!;
+		PasswordHash = passwordHash;
+	}
+	
+	public UserInfo ToUserInfo() {
+		return new UserInfo(UserGuid, Name);
 	}
 }

Controller/Phantom.Controller.Database/Enums/EventLogSubjectType.cs

@@ -1,5 +0,0 @@
-namespace Phantom.Controller.Database.Enums;
-
-public enum EventLogSubjectType {
-	Instance
-}

Controller/Phantom.Controller.Database/IDatabaseProvider.cs

@@ -1,5 +0,0 @@
-namespace Phantom.Controller.Database;
-
-public interface IDatabaseProvider {
-	ApplicationDbContext Provide();
-}

Controller/Phantom.Controller.Database/IDbContextProvider.cs

@@ -0,0 +1,6 @@
+namespace Phantom.Controller.Database;
+
+public interface IDbContextProvider {
+	ApplicationDbContext Eager();
+	ILazyDbContext Lazy();
+}

Controller/Phantom.Controller.Database/ILazyDbContext.cs

@@ -0,0 +1,5 @@
+namespace Phantom.Controller.Database;
+
+public interface ILazyDbContext : IAsyncDisposable {
+	ApplicationDbContext Ctx { get; }
+}

Controller/Phantom.Controller.Database/Phantom.Controller.Database.csproj

@@ -11,10 +11,12 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="System.Linq.Async" />
   </ItemGroup>
   
   <ItemGroup>
     <ProjectReference Include="..\..\Common\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Data.Web\Phantom.Common.Data.Web.csproj" />
     <ProjectReference Include="..\..\Common\Phantom.Common.Logging\Phantom.Common.Logging.csproj" />
   </ItemGroup>
 

Controller/Phantom.Controller.Database/Repositories/AuditLogRepositoryReader.cs

@@ -0,0 +1,26 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Utils.Collections;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class AuditLogRepositoryReader {
+	private readonly ILazyDbContext db;
+
+	public AuditLogRepositoryReader(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<ImmutableArray<AuditLogItem>> GetMostRecentItems(int count, CancellationToken cancellationToken) {
+		return db.Ctx
+		         .AuditLog
+		         .Include(static entity => entity.User)
+		         .AsQueryable()
+		         .OrderByDescending(static entity => entity.UtcTime)
+		         .Take(count)
+		         .AsAsyncEnumerable()
+		         .Select(static entity => new AuditLogItem(entity.UtcTime, entity.UserGuid, entity.User?.Name, entity.EventType, entity.SubjectType, entity.SubjectId, entity.Data?.RootElement.ToString()))
+		         .ToImmutableArrayAsync(cancellationToken);
+	}
+}

Controller/Phantom.Controller.Database/Repositories/AuditLogRepositoryWriter.cs

@@ -0,0 +1,78 @@
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Controller.Database.Entities;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class AuditLogRepositoryWriter {
+	private readonly ILazyDbContext db;
+	private readonly Guid? currentUserGuid;
+
+	public AuditLogRepositoryWriter(ILazyDbContext db, Guid? currentUserGuid) {
+		this.db = db;
+		this.currentUserGuid = currentUserGuid;
+	}
+
+	private void AddItem(AuditLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
+		db.Ctx.AuditLog.Add(new AuditLogEntity(currentUserGuid, eventType, subjectId, extra));
+	}
+	
+	public void AddUserLoggedInEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserLoggedIn, user.UserGuid.ToString());
+	}
+
+	public void AddUserLoggedOutEvent(Guid userGuid) {
+		AddItem(AuditLogEventType.UserLoggedOut, userGuid.ToString());
+	}
+	
+	public void AddUserCreatedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserCreated, user.UserGuid.ToString());
+	}
+	
+	public void AddUserPasswordChangedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserCreated, user.UserGuid.ToString());
+	}
+
+	public void AddUserRolesChangedEvent(UserEntity user, List<string> addedToRoles, List<string> removedFromRoles) {
+		var extra = new Dictionary<string, object?>();
+		
+		if (addedToRoles.Count > 0) {
+			extra["addedToRoles"] = addedToRoles;
+		}
+		
+		if (removedFromRoles.Count > 0) {
+			extra["removedFromRoles"] = removedFromRoles;
+		}
+		
+		AddItem(AuditLogEventType.UserRolesChanged, user.UserGuid.ToString(), extra);
+	}
+	
+	public void AddUserDeletedEvent(UserEntity user) {
+		AddItem(AuditLogEventType.UserDeleted, user.UserGuid.ToString(), new Dictionary<string, object?> {
+			{ "username", user.Name }
+		});
+	}
+
+	public void AddInstanceCreatedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceCreated, instanceGuid.ToString());
+	}
+
+	public void AddInstanceEditedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceEdited, instanceGuid.ToString());
+	}
+	
+	public void AddInstanceLaunchedEvent(Guid instanceGuid) {
+		AddItem(AuditLogEventType.InstanceLaunched, instanceGuid.ToString());
+	}
+
+	public void AddInstanceCommandExecutedEvent(Guid instanceGuid, string command) {
+		AddItem(AuditLogEventType.InstanceCommandExecuted, instanceGuid.ToString(), new Dictionary<string, object?> {
+			{ "command", command }
+		});
+	}
+
+	public void AddInstanceStoppedEvent(Guid instanceGuid, int stopInSeconds) {
+		AddItem(AuditLogEventType.InstanceStopped, instanceGuid.ToString(), new Dictionary<string, object?> {
+			{ "stop_in_seconds", stopInSeconds.ToString() }
+		});
+	}
+}

Controller/Phantom.Controller.Database/Repositories/EventLogRepository.cs

@@ -0,0 +1,30 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.EventLog;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class EventLogRepository {
+	private readonly ILazyDbContext db;
+
+	public EventLogRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public void AddItem(Guid eventGuid, DateTime utcTime, Guid? agentGuid, EventLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
+		db.Ctx.EventLog.Add(new EventLogEntity(eventGuid, utcTime, agentGuid, eventType, subjectId, extra));
+	}
+	
+	public Task<ImmutableArray<EventLogItem>> GetMostRecentItems(int count, CancellationToken cancellationToken) {
+		return db.Ctx
+		         .EventLog
+		         .AsQueryable()
+		         .OrderByDescending(static entity => entity.UtcTime)
+		         .Take(count)
+		         .AsAsyncEnumerable()
+		         .Select(static entity => new EventLogItem(entity.UtcTime, entity.AgentGuid, entity.EventType, entity.SubjectType, entity.SubjectId, entity.Data?.RootElement.ToString()))
+		         .ToImmutableArrayAsync(cancellationToken);
+	}
+}

Controller/Phantom.Controller.Database/Repositories/RoleRepository.cs

@@ -0,0 +1,47 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+using Phantom.Utils.Tasks;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class RoleRepository {
+	private const int MaxRoleNameLength = 40;
+
+	private readonly ILazyDbContext db;
+
+	public RoleRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<List<RoleEntity>> GetAll() {
+		return db.Ctx.Roles.ToListAsync();
+	}
+
+	public Task<ImmutableHashSet<string>> GetAllNames() {
+		return db.Ctx.Roles.Select(static role => role.Name).AsAsyncEnumerable().ToImmutableSetAsync();
+	}
+
+	public ValueTask<RoleEntity?> GetByGuid(Guid guid) {
+		return db.Ctx.Roles.FindAsync(guid);
+	}
+
+	public async Task<Result<RoleEntity, AddRoleError>> Create(string name) {
+		if (string.IsNullOrWhiteSpace(name)) {
+			return AddRoleError.NameIsEmpty;
+		}
+		else if (name.Length > MaxRoleNameLength) {
+			return AddRoleError.NameIsTooLong;
+		}
+
+		if (await db.Ctx.Roles.AnyAsync(role => role.Name == name)) {
+			return AddRoleError.NameAlreadyExists;
+		}
+
+		var role = new RoleEntity(Guid.NewGuid(), name);
+		db.Ctx.Roles.Add(role);
+		return role;
+	}
+}

Controller/Phantom.Controller.Database/Repositories/UserRepository.cs

@@ -0,0 +1,115 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Data.Web.Users.AddUserErrors;
+using Phantom.Common.Data.Web.Users.PasswordRequirementViolations;
+using Phantom.Common.Data.Web.Users.UsernameRequirementViolations;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+using Phantom.Utils.Tasks;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class UserRepository {
+	private const int MaxUserNameLength = 40;
+	private const int MinimumPasswordLength = 16;
+
+	private static UsernameRequirementViolation? CheckUsernameRequirements(string username) {
+		if (string.IsNullOrWhiteSpace(username)) {
+			return new IsEmpty();
+		}
+		else if (username.Length > MaxUserNameLength) {
+			return new TooLong(MaxUserNameLength);
+		}
+		else {
+			return null;
+		}
+	}
+
+	private static ImmutableArray<PasswordRequirementViolation> CheckPasswordRequirements(string password) {
+		var violations = ImmutableArray.CreateBuilder<PasswordRequirementViolation>();
+		
+		if (password.Length < MinimumPasswordLength) {
+			violations.Add(new TooShort(MinimumPasswordLength));
+		}
+
+		if (!password.Any(char.IsLower)) {
+			violations.Add(new MustContainLowercaseLetter());
+		}
+
+		if (!password.Any(char.IsUpper)) {
+			violations.Add(new MustContainUppercaseLetter());
+		}
+
+		if (!password.Any(char.IsDigit)) {
+			violations.Add(new MustContainDigit());
+		}
+		
+		return violations.ToImmutable();
+	}
+	
+	private readonly ILazyDbContext db;
+
+	private AuditLogRepositoryWriter? auditLogWriter;
+	private AuditLogRepositoryWriter AuditLogWriter => this.auditLogWriter ??= new AuditLogRepositoryWriter(db, null);
+
+	public UserRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<ImmutableArray<UserEntity>> GetAll() {
+		return db.Ctx.Users.AsAsyncEnumerable().ToImmutableArrayAsync();
+	}
+
+	public Task<Dictionary<Guid, T>> GetAllByGuid<T>(Func<UserEntity, T> valueSelector, CancellationToken cancellationToken = default) {
+		return db.Ctx.Users.ToDictionaryAsync(static user => user.UserGuid, valueSelector, cancellationToken);
+	}
+
+	public async Task<UserEntity?> GetByGuid(Guid guid) {
+		return await db.Ctx.Users.FindAsync(guid);
+	}
+
+	public Task<UserEntity?> GetByName(string username) {
+		return db.Ctx.Users.FirstOrDefaultAsync(user => user.Name == username);
+	}
+	
+	public async Task<Result<UserEntity, AddUserError>> CreateUser(string username, string password) {
+		var usernameRequirementViolation = CheckUsernameRequirements(username);
+		if (usernameRequirementViolation != null) {
+			return new NameIsInvalid(usernameRequirementViolation);
+		}
+
+		var passwordRequirementViolations = CheckPasswordRequirements(password);
+		if (!passwordRequirementViolations.IsEmpty) {
+			return new PasswordIsInvalid(passwordRequirementViolations);
+		}
+
+		if (await db.Ctx.Users.AnyAsync(user => user.Name == username)) {
+			return new NameAlreadyExists();
+		}
+
+		var user = new UserEntity(Guid.NewGuid(), username, UserPasswords.Hash(password));
+		
+		db.Ctx.Users.Add(user);
+		AuditLogWriter.AddUserCreatedEvent(user);
+
+		return user;
+	}
+
+	public Result<SetUserPasswordError> SetUserPassword(UserEntity user, string password) {
+		var requirementViolations = CheckPasswordRequirements(password);
+		if (!requirementViolations.IsEmpty) {
+			return new Common.Data.Web.Users.SetUserPasswordErrors.PasswordIsInvalid(requirementViolations);
+		}
+
+		user.PasswordHash = UserPasswords.Hash(password);
+		AuditLogWriter.AddUserPasswordChangedEvent(user);
+
+		return Result.Ok<SetUserPasswordError>();
+	}
+
+	public void DeleteUser(UserEntity user) {
+		db.Ctx.Users.Remove(user);
+		AuditLogWriter.AddUserDeletedEvent(user);
+	}
+}

Controller/Phantom.Controller.Database/Repositories/UserRoleRepository.cs

@@ -0,0 +1,56 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+
+namespace Phantom.Controller.Database.Repositories;
+
+public sealed class UserRoleRepository {
+	private readonly ILazyDbContext db;
+
+	public UserRoleRepository(ILazyDbContext db) {
+		this.db = db;
+	}
+
+	public Task<Dictionary<Guid, ImmutableArray<RoleEntity>>> GetAllByUserGuid() {
+		return db.Ctx.UserRoles
+		         .Include(static ur => ur.Role)
+		         .GroupBy(static ur => ur.UserGuid, static ur => ur.Role)
+		         .ToDictionaryAsync(static group => group.Key, static group => group.ToImmutableArray());
+	}
+
+	public Task<ImmutableArray<RoleEntity>> GetUserRoles(UserEntity user) {
+		return db.Ctx.UserRoles
+		         .Include(static ur => ur.Role)
+		         .Where(ur => ur.UserGuid == user.UserGuid)
+		         .Select(static ur => ur.Role)
+		         .AsAsyncEnumerable()
+		         .ToImmutableArrayAsync();
+	}
+
+	public Task<ImmutableHashSet<Guid>> GetUserRoleGuids(UserEntity user) {
+		return db.Ctx.UserRoles
+		         .Where(ur => ur.UserGuid == user.UserGuid)
+		         .Select(static ur => ur.RoleGuid)
+		         .AsAsyncEnumerable()
+		         .ToImmutableSetAsync();
+	}
+
+	public async Task Add(UserEntity user, RoleEntity role) {
+		var userRole = await db.Ctx.UserRoles.FindAsync(user.UserGuid, role.RoleGuid);
+		if (userRole == null) {
+			db.Ctx.UserRoles.Add(new UserRoleEntity(user.UserGuid, role.RoleGuid));
+		}
+	}
+
+	public async Task<UserRoleEntity?> Remove(UserEntity user, RoleEntity role) {
+		var userRole = await db.Ctx.UserRoles.FindAsync(user.UserGuid, role.RoleGuid);
+		if (userRole == null) {
+			return null;
+		}
+		else {
+			db.Ctx.UserRoles.Remove(userRole);
+			return userRole;
+		}
+	}
+}

Controller/Phantom.Controller.Rpc/RpcClientConnectionClosedEventArgs.cs

@@ -1,9 +1,9 @@
 namespace Phantom.Controller.Rpc;
 
-sealed class RpcClientConnectionClosedEventArgs : EventArgs {
-	public uint RoutingId { get; }
+public sealed class RpcClientConnectionClosedEventArgs : EventArgs {
+	internal uint RoutingId { get; }
 
-	public RpcClientConnectionClosedEventArgs(uint routingId) {
+	internal RpcClientConnectionClosedEventArgs(uint routingId) {
 		RoutingId = routingId;
 	}
 }

Controller/Phantom.Controller.Rpc/RpcConnectionToClient.cs

@@ -18,7 +18,7 @@ public sealed class RpcConnectionToClient<TListener> {
 		set => isAuthorized = value;
 	}
 
-	internal event EventHandler<RpcClientConnectionClosedEventArgs>? Closed;
+	public event EventHandler<RpcClientConnectionClosedEventArgs>? Closed;
 	private bool isClosed;
 
 	internal RpcConnectionToClient(ServerSocket socket, uint routingId, MessageRegistry<TListener> messageRegistry, MessageReplyTracker messageReplyTracker) {
@@ -33,12 +33,18 @@ public sealed class RpcConnectionToClient<TListener> {
 	}
 
 	public void Close() {
+		bool hasClosed = false;
+		
 		lock (this) {
 			if (!isClosed) {
 				isClosed = true;
-				Closed?.Invoke(this, new RpcClientConnectionClosedEventArgs(routingId));
+				hasClosed = true;
 			}
 		}
+
+		if (hasClosed) {
+			Closed?.Invoke(this, new RpcClientConnectionClosedEventArgs(routingId));
+		}
 	}
 
 	public async Task Send<TMessage>(TMessage message) where TMessage : IMessage<TListener, NoReply> {
@@ -66,7 +72,7 @@ public sealed class RpcConnectionToClient<TListener> {
 		}
 
 		await socket.SendAsync(routingId, bytes);
-		return await messageReplyTracker.WaitForReply<TReply>(sequenceId, waitForReplyTime, waitForReplyCancellationToken);
+		return await messageReplyTracker.TryWaitForReply<TReply>(sequenceId, waitForReplyTime, waitForReplyCancellationToken);
 	}
 
 	public void Receive(IReply message) {

Controller/Phantom.Controller.Services/Agents/Agent.cs

@@ -20,8 +20,6 @@ public sealed record Agent(
 	public bool IsOnline { get; internal init; }
 	public bool IsOffline => !IsOnline;
 
-	public RamAllocationUnits? AvailableMemory => MaxMemory - Stats?.RunningInstanceMemory;
-	
 	internal Agent(AgentInfo info) : this(info.Guid, info.Name, info.ProtocolVersion, info.BuildVersion, info.MaxInstances, info.MaxMemory, info.AllowedServerPorts, info.AllowedRconPorts) {}
 
 	internal Agent AsOnline(DateTimeOffset lastPing) => this with {

Controller/Phantom.Controller.Services/Agents/AgentManager.cs

@@ -11,7 +11,7 @@ using Phantom.Controller.Services.Instances;
 using Phantom.Utils.Collections;
 using Phantom.Utils.Events;
 using Phantom.Utils.Tasks;
-using ILogger = Serilog.ILogger;
+using Serilog;
 
 namespace Phantom.Controller.Services.Agents;
 
@@ -27,17 +27,17 @@ public sealed class AgentManager {
 
 	private readonly CancellationToken cancellationToken;
 	private readonly AuthToken authToken;
-	private readonly IDatabaseProvider databaseProvider;
+	private readonly IDbContextProvider dbProvider;
 
-	public AgentManager(AuthToken authToken, IDatabaseProvider databaseProvider, TaskManager taskManager, CancellationToken cancellationToken) {
+	public AgentManager(AuthToken authToken, IDbContextProvider dbProvider, TaskManager taskManager, CancellationToken cancellationToken) {
 		this.authToken = authToken;
-		this.databaseProvider = databaseProvider;
+		this.dbProvider = dbProvider;
 		this.cancellationToken = cancellationToken;
 		taskManager.Run("Refresh agent status loop", RefreshAgentStatus);
 	}
 
 	internal async Task Initialize() {
-		await using var ctx = databaseProvider.Provide();
+		await using var ctx = dbProvider.Eager();
 
 		await foreach (var entity in ctx.Agents.AsAsyncEnumerable().WithCancellation(cancellationToken)) {
 			var agent = new Agent(entity.AgentGuid, entity.Name, entity.ProtocolVersion, entity.BuildVersion, entity.MaxInstances, entity.MaxMemory);
@@ -68,7 +68,7 @@ public sealed class AgentManager {
 			oldAgent.Connection?.Close();
 		}
 
-		await using (var ctx = databaseProvider.Provide()) {
+		await using (var ctx = dbProvider.Eager()) {
 			var entity = ctx.AgentUpsert.Fetch(agent.Guid);
 
 			entity.Name = agent.Name;

Controller/Phantom.Controller.Services/Agents/AgentStats.cs

@@ -1,8 +0,0 @@
-using Phantom.Common.Data;
-
-namespace Phantom.Controller.Services.Agents;
-
-public sealed record AgentStats(
-	int RunningInstanceCount,
-	RamAllocationUnits RunningInstanceMemory
-);

Controller/Phantom.Controller.Services/Audit/AuditLog.EventTypes.cs

@@ -1,70 +0,0 @@
-using Phantom.Controller.Database.Entities;
-using Phantom.Controller.Database.Enums;
-
-namespace Phantom.Controller.Services.Audit;
-
-public sealed partial class AuditLog {
-	public Task AddAdministratorUserCreatedEvent(UserEntity administratorUser) {
-		return AddItem(AuditLogEventType.AdministratorUserCreated, administratorUser.UserGuid.ToString());
-	}
-
-	public Task AddAdministratorUserModifiedEvent(UserEntity administratorUser) {
-		return AddItem(AuditLogEventType.AdministratorUserModified, administratorUser.UserGuid.ToString());
-	}
-
-	public void AddUserLoggedInEvent(UserEntity user) {
-		AddItem(user.UserGuid, AuditLogEventType.UserLoggedIn, user.UserGuid.ToString());
-	}
-
-	public void AddUserLoggedOutEvent(Guid userGuid) {
-		AddItem(userGuid, AuditLogEventType.UserLoggedOut, userGuid.ToString());
-	}
-	
-	public Task AddUserCreatedEvent(UserEntity user) {
-		return AddItem(AuditLogEventType.UserCreated, user.UserGuid.ToString());
-	}
-
-	public Task AddUserRolesChangedEvent(UserEntity user, List<string> addedToRoles, List<string> removedFromRoles) {
-		var extra = new Dictionary<string, object?>();
-		
-		if (addedToRoles.Count > 0) {
-			extra["addedToRoles"] = addedToRoles;
-		}
-		
-		if (removedFromRoles.Count > 0) {
-			extra["removedFromRoles"] = removedFromRoles;
-		}
-		
-		return AddItem(AuditLogEventType.UserRolesChanged, user.UserGuid.ToString(), extra);
-	}
-	
-	public Task AddUserDeletedEvent(UserEntity user) {
-		return AddItem(AuditLogEventType.UserDeleted, user.UserGuid.ToString(), new Dictionary<string, object?> {
-			{ "username", user.Name }
-		});
-	}
-
-	public Task AddInstanceCreatedEvent(Guid instanceGuid) {
-		return AddItem(AuditLogEventType.InstanceCreated, instanceGuid.ToString());
-	}
-
-	public Task AddInstanceEditedEvent(Guid instanceGuid) {
-		return AddItem(AuditLogEventType.InstanceEdited, instanceGuid.ToString());
-	}
-	
-	public Task AddInstanceLaunchedEvent(Guid instanceGuid) {
-		return AddItem(AuditLogEventType.InstanceLaunched, instanceGuid.ToString());
-	}
-
-	public Task AddInstanceCommandExecutedEvent(Guid instanceGuid, string command) {
-		return AddItem(AuditLogEventType.InstanceCommandExecuted, instanceGuid.ToString(), new Dictionary<string, object?> {
-			{ "command", command }
-		});
-	}
-
-	public Task AddInstanceStoppedEvent(Guid instanceGuid, int stopInSeconds) {
-		return AddItem(AuditLogEventType.InstanceStopped, instanceGuid.ToString(), new Dictionary<string, object?> {
-			{ "stop_in_seconds", stopInSeconds.ToString() }
-		});
-	}
-}

Controller/Phantom.Controller.Services/Audit/AuditLog.cs

@@ -1,49 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using Phantom.Controller.Database;
-using Phantom.Controller.Database.Entities;
-using Phantom.Controller.Database.Enums;
-using Phantom.Utils.Tasks;
-
-namespace Phantom.Controller.Services.Audit;
-
-public sealed partial class AuditLog {
-	private readonly IDatabaseProvider databaseProvider;
-	private readonly TaskManager taskManager;
-	private readonly CancellationToken cancellationToken;
-
-	public AuditLog(IDatabaseProvider databaseProvider, TaskManager taskManager, CancellationToken cancellationToken) {
-		this.databaseProvider = databaseProvider;
-		this.taskManager = taskManager;
-		this.cancellationToken = cancellationToken;
-	}
-	
-	private Task<Guid?> GetCurrentAuthenticatedUserId() {
-		return Task.FromResult<Guid?>(null); // TODO
-	}
-
-	private async Task AddEntityToDatabase(AuditLogEntity logEntity) {
-		await using var ctx = databaseProvider.Provide();
-		ctx.AuditLog.Add(logEntity);
-		await ctx.SaveChangesAsync(cancellationToken);
-	}
-
-	private void AddItem(Guid? userGuid, AuditLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
-		var logEntity = new AuditLogEntity(userGuid, eventType, subjectId, extra);
-		taskManager.Run("Store audit log item to database", () => AddEntityToDatabase(logEntity));
-	}
-
-	private async Task AddItem(AuditLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
-		AddItem(await GetCurrentAuthenticatedUserId(), eventType, subjectId, extra);
-	}
-
-	public async Task<AuditLogItem[]> GetItems(int count, CancellationToken cancellationToken) {
-		await using var ctx = databaseProvider.Provide();
-		return await ctx.AuditLog
-		                .Include(static entity => entity.User)
-		                .AsQueryable()
-		                .OrderByDescending(static entity => entity.UtcTime)
-		                .Take(count)
-		                .Select(static entity => new AuditLogItem(entity.UtcTime, entity.UserGuid, entity.User == null ? null : entity.User.Name, entity.EventType, entity.SubjectType, entity.SubjectId, entity.Data))
-		                .ToArrayAsync(cancellationToken);
-	}
-}

Controller/Phantom.Controller.Services/Audit/AuditLogItem.cs

@@ -1,6 +0,0 @@
-using System.Text.Json;
-using Phantom.Controller.Database.Enums;
-
-namespace Phantom.Controller.Services.Audit;
-
-public sealed record AuditLogItem(DateTime UtcTime, Guid? UserGuid, string? UserName, AuditLogEventType EventType, AuditLogSubjectType SubjectType, string? SubjectId, JsonDocument? Data);

Controller/Phantom.Controller.Services/ControllerServices.cs

@@ -1,4 +1,4 @@
-using Phantom.Common.Data.Agent;
+using Phantom.Common.Data;
 using Phantom.Common.Logging;
 using Phantom.Common.Messages.Agent;
 using Phantom.Common.Messages.Web;
@@ -10,8 +10,6 @@ using Phantom.Controller.Services.Events;
 using Phantom.Controller.Services.Instances;
 using Phantom.Controller.Services.Rpc;
 using Phantom.Controller.Services.Users;
-using Phantom.Controller.Services.Users.Permissions;
-using Phantom.Controller.Services.Users.Roles;
 using Phantom.Utils.Tasks;
 
 namespace Phantom.Controller.Services;
@@ -22,47 +20,53 @@ public sealed class ControllerServices {
 
 	private AgentManager AgentManager { get; }
 	private AgentJavaRuntimesManager AgentJavaRuntimesManager { get; }
-	private EventLog EventLog { get; }
 	private InstanceManager InstanceManager { get; }
 	private InstanceLogManager InstanceLogManager { get; }
+	private EventLogManager EventLogManager { get; }
 
 	private UserManager UserManager { get; }
 	private RoleManager RoleManager { get; }
-	private UserRoleManager UserRoleManager { get; }
 	private PermissionManager PermissionManager { get; }
 
-	private readonly IDatabaseProvider databaseProvider;
+	private UserLoginManager UserLoginManager { get; }
+	private AuditLogManager AuditLogManager { get; }
+	
+	private readonly IDbContextProvider dbProvider;
+	private readonly AuthToken webAuthToken;
 	private readonly CancellationToken cancellationToken;
 	
-	public ControllerServices(IDatabaseProvider databaseProvider, AuthToken agentAuthToken, CancellationToken shutdownCancellationToken) {
+	public ControllerServices(IDbContextProvider dbProvider, AuthToken agentAuthToken, AuthToken webAuthToken, CancellationToken shutdownCancellationToken) {
 		this.TaskManager = new TaskManager(PhantomLogger.Create<TaskManager, ControllerServices>());
 		this.MinecraftVersions = new MinecraftVersions();
 		
-		this.AgentManager = new AgentManager(agentAuthToken, databaseProvider, TaskManager, shutdownCancellationToken);
+		this.AgentManager = new AgentManager(agentAuthToken, dbProvider, TaskManager, shutdownCancellationToken);
 		this.AgentJavaRuntimesManager = new AgentJavaRuntimesManager();
-		this.EventLog = new EventLog(databaseProvider, TaskManager, shutdownCancellationToken);
-		this.InstanceManager = new InstanceManager(AgentManager, MinecraftVersions, databaseProvider, shutdownCancellationToken);
+		this.InstanceManager = new InstanceManager(AgentManager, MinecraftVersions, dbProvider, shutdownCancellationToken);
 		this.InstanceLogManager = new InstanceLogManager();
 		
-		this.UserManager = new UserManager(databaseProvider);
-		this.RoleManager = new RoleManager(databaseProvider);
-		this.UserRoleManager = new UserRoleManager(databaseProvider);
-		this.PermissionManager = new PermissionManager(databaseProvider);
+		this.UserManager = new UserManager(dbProvider);
+		this.RoleManager = new RoleManager(dbProvider);
+		this.PermissionManager = new PermissionManager(dbProvider);
 		
-		this.databaseProvider = databaseProvider;
+		this.UserLoginManager = new UserLoginManager(UserManager, PermissionManager);
+		this.AuditLogManager = new AuditLogManager(dbProvider);
+		this.EventLogManager = new EventLogManager(dbProvider, TaskManager, shutdownCancellationToken);
+		
+		this.dbProvider = dbProvider;
+		this.webAuthToken = webAuthToken;
 		this.cancellationToken = shutdownCancellationToken;
 	}
 
 	public AgentMessageListener CreateAgentMessageListener(RpcConnectionToClient<IMessageToAgentListener> connection) {
-		return new AgentMessageListener(connection, AgentManager, AgentJavaRuntimesManager, InstanceManager, InstanceLogManager, EventLog, cancellationToken);
+		return new AgentMessageListener(connection, AgentManager, AgentJavaRuntimesManager, InstanceManager, InstanceLogManager, EventLogManager, cancellationToken);
 	}
 
 	public WebMessageListener CreateWebMessageListener(RpcConnectionToClient<IMessageToWebListener> connection) {
-		return new WebMessageListener(connection);
+		return new WebMessageListener(connection, webAuthToken, UserManager, UserLoginManager, AuditLogManager, AgentManager, AgentJavaRuntimesManager, InstanceManager, MinecraftVersions, EventLogManager, TaskManager);
 	}
 
 	public async Task Initialize() {
-		await DatabaseMigrator.Run(databaseProvider, cancellationToken);
+		await DatabaseMigrator.Run(dbProvider, cancellationToken);
 		await PermissionManager.Initialize();
 		await RoleManager.Initialize();
 		await AgentManager.Initialize();

Controller/Phantom.Controller.Services/Events/EventLog.cs

@@ -1,43 +0,0 @@
-using System.Collections.Immutable;
-using Microsoft.EntityFrameworkCore;
-using Phantom.Controller.Database;
-using Phantom.Controller.Database.Entities;
-using Phantom.Controller.Database.Enums;
-using Phantom.Utils.Collections;
-using Phantom.Utils.Tasks;
-
-namespace Phantom.Controller.Services.Events;
-
-public sealed partial class EventLog {
-	private readonly IDatabaseProvider databaseProvider;
-	private readonly TaskManager taskManager;
-	private readonly CancellationToken cancellationToken;
-	
-	public EventLog(IDatabaseProvider databaseProvider, TaskManager taskManager, CancellationToken cancellationToken) {
-		this.databaseProvider = databaseProvider;
-		this.taskManager = taskManager;
-		this.cancellationToken = cancellationToken;
-	}
-
-	private async Task AddEntityToDatabase(EventLogEntity logEntity) {
-		await using var ctx = databaseProvider.Provide();
-		ctx.EventLog.Add(logEntity);
-		await ctx.SaveChangesAsync(cancellationToken);
-	}
-
-	private void AddItem(Guid eventGuid, DateTime utcTime, Guid? agentGuid, EventLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
-		var logEntity = new EventLogEntity(eventGuid, utcTime, agentGuid, eventType, subjectId, extra);
-		taskManager.Run("Store event log item to database", () => AddEntityToDatabase(logEntity));
-	}
-
-	public async Task<ImmutableArray<EventLogItem>> GetItems(int count, CancellationToken cancellationToken) {
-		await using var ctx = databaseProvider.Provide();
-		return await ctx.EventLog
-		                .AsQueryable()
-		                .OrderByDescending(static entity => entity.UtcTime)
-		                .Take(count)
-		                .Select(static entity => new EventLogItem(entity.UtcTime, entity.AgentGuid, entity.EventType, entity.SubjectType, entity.SubjectId, entity.Data))
-		                .AsAsyncEnumerable()
-		                .ToImmutableArrayAsync(cancellationToken);
-	}
-}

Controller/Phantom.Controller.Services/Events/EventLogItem.cs

@@ -1,6 +0,0 @@
-using System.Text.Json;
-using Phantom.Controller.Database.Enums;
-
-namespace Phantom.Controller.Services.Events;
-
-public sealed record EventLogItem(DateTime UtcTime, Guid? AgentGuid, EventLogEventType EventType, EventLogSubjectType SubjectType, string SubjectId, JsonDocument? Data);

Controller/Phantom.Controller.Services/Events/EventLogManager.InstanceEventVisitor.cs

@@ -1,23 +1,23 @@
 using Phantom.Common.Data.Backups;
 using Phantom.Common.Data.Instance;
-using Phantom.Controller.Database.Enums;
+using Phantom.Common.Data.Web.EventLog;
 
 namespace Phantom.Controller.Services.Events;
 
-public sealed partial class EventLog {
+sealed partial class EventLogManager {
 	internal IInstanceEventVisitor CreateInstanceEventVisitor(Guid eventGuid, DateTime utcTime, Guid agentGuid, Guid instanceGuid) {
 		return new InstanceEventVisitor(this, utcTime, eventGuid, agentGuid, instanceGuid);
 	}
 
 	private sealed class InstanceEventVisitor : IInstanceEventVisitor {
-		private readonly EventLog eventLog;
+		private readonly EventLogManager eventLogManager;
 		private readonly Guid eventGuid;
 		private readonly DateTime utcTime;
 		private readonly Guid agentGuid;
 		private readonly Guid instanceGuid;
 
-		public InstanceEventVisitor(EventLog eventLog, DateTime utcTime, Guid eventGuid, Guid agentGuid, Guid instanceGuid) {
-			this.eventLog = eventLog;
+		public InstanceEventVisitor(EventLogManager eventLogManager, DateTime utcTime, Guid eventGuid, Guid agentGuid, Guid instanceGuid) {
+			this.eventLogManager = eventLogManager;
 			this.eventGuid = eventGuid;
 			this.utcTime = utcTime;
 			this.agentGuid = agentGuid;
@@ -25,21 +25,21 @@ public sealed partial class EventLog {
 		}
 
 		public void OnLaunchSucceeded(InstanceLaunchSuccededEvent e) {
-			eventLog.AddItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceLaunchSucceded, instanceGuid.ToString());
+			eventLogManager.EnqueueItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceLaunchSucceded, instanceGuid.ToString());
 		}
 
 		public void OnLaunchFailed(InstanceLaunchFailedEvent e) {
-			eventLog.AddItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceLaunchFailed, instanceGuid.ToString(), new Dictionary<string, object?> {
+			eventLogManager.EnqueueItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceLaunchFailed, instanceGuid.ToString(), new Dictionary<string, object?> {
 				{ "reason", e.Reason.ToString() }
 			});
 		}
 
 		public void OnCrashed(InstanceCrashedEvent e) {
-			eventLog.AddItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceCrashed, instanceGuid.ToString());
+			eventLogManager.EnqueueItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceCrashed, instanceGuid.ToString());
 		}
 
 		public void OnStopped(InstanceStoppedEvent e) {
-			eventLog.AddItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceStopped, instanceGuid.ToString());
+			eventLogManager.EnqueueItem(eventGuid, utcTime, agentGuid, EventLogEventType.InstanceStopped, instanceGuid.ToString());
 		}
 
 		public void OnBackupCompleted(InstanceBackupCompletedEvent e) {
@@ -59,7 +59,7 @@ public sealed partial class EventLog {
 				dictionary["warnings"] = e.Warnings.ListFlags().Select(static warning => warning.ToString()).ToArray();
 			}
 
-			eventLog.AddItem(eventGuid, utcTime, agentGuid, eventType, instanceGuid.ToString(), dictionary.Count == 0 ? null : dictionary);
+			eventLogManager.EnqueueItem(eventGuid, utcTime, agentGuid, eventType, instanceGuid.ToString(), dictionary.Count == 0 ? null : dictionary);
 		}
 	}
 }

Controller/Phantom.Controller.Services/Events/EventLogManager.cs

@@ -0,0 +1,34 @@
+using System.Collections.Immutable;
+using Phantom.Common.Data.Web.EventLog;
+using Phantom.Controller.Database;
+using Phantom.Controller.Database.Repositories;
+using Phantom.Utils.Tasks;
+
+namespace Phantom.Controller.Services.Events; 
+
+sealed partial class EventLogManager {
+	private readonly IDbContextProvider dbProvider;
+	private readonly TaskManager taskManager;
+	private readonly CancellationToken cancellationToken;
+
+	public EventLogManager(IDbContextProvider dbProvider, TaskManager taskManager, CancellationToken cancellationToken) {
+		this.dbProvider = dbProvider;
+		this.taskManager = taskManager;
+		this.cancellationToken = cancellationToken;
+	}
+
+	public void EnqueueItem(Guid eventGuid, DateTime utcTime, Guid? agentGuid, EventLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
+		taskManager.Run("Store event log item to database", () => AddItem(eventGuid, utcTime, agentGuid, eventType, subjectId, extra));
+	}
+	
+	public async Task AddItem(Guid eventGuid, DateTime utcTime, Guid? agentGuid, EventLogEventType eventType, string subjectId, Dictionary<string, object?>? extra = null) {
+		await using var db = dbProvider.Lazy();
+		new EventLogRepository(db).AddItem(eventGuid, utcTime, agentGuid, eventType, subjectId, extra);
+		await db.Ctx.SaveChangesAsync(cancellationToken);
+	}
+
+	public async Task<ImmutableArray<EventLogItem>> GetMostRecentItems(int count) {
+		await using var db = dbProvider.Lazy();
+		return await new EventLogRepository(db).GetMostRecentItems(count, cancellationToken);
+	}
+}

Controller/Phantom.Controller.Services/Instances/AddOrEditInstanceResult.cs

@@ -1,23 +0,0 @@
-namespace Phantom.Controller.Services.Instances;
-
-public enum AddOrEditInstanceResult : byte {
-	UnknownError,
-	Success,
-	InstanceNameMustNotBeEmpty,
-	InstanceMemoryMustNotBeZero,
-	MinecraftVersionDownloadInfoNotFound,
-	AgentNotFound
-}
-
-public static class AddOrEditInstanceResultExtensions {
-	public static string ToSentence(this AddOrEditInstanceResult reason) {
-		return reason switch {
-			AddOrEditInstanceResult.Success                              => "Success.",
-			AddOrEditInstanceResult.InstanceNameMustNotBeEmpty           => "Instance name must not be empty.",
-			AddOrEditInstanceResult.InstanceMemoryMustNotBeZero          => "Memory must not be 0 MB.",
-			AddOrEditInstanceResult.MinecraftVersionDownloadInfoNotFound => "Could not find download information for the selected Minecraft version.",
-			AddOrEditInstanceResult.AgentNotFound                        => "Agent not found.",
-			_                                                            => "Unknown error."
-		};
-	}
-}

Controller/Phantom.Controller.Services/Instances/Instance.cs

@@ -1,11 +0,0 @@
-using Phantom.Common.Data.Instance;
-
-namespace Phantom.Controller.Services.Instances;
-
-public sealed record Instance(
-	InstanceConfiguration Configuration,
-	IInstanceStatus Status,
-	bool LaunchAutomatically
-) {
-	internal Instance(InstanceConfiguration configuration, bool launchAutomatically = false) : this(configuration, InstanceStatus.Offline, launchAutomatically) {}
-}

Controller/Phantom.Controller.Services/Instances/InstanceLogManager.cs

@@ -3,7 +3,7 @@ using System.Collections.Immutable;
 using Phantom.Common.Logging;
 using Phantom.Utils.Collections;
 using Phantom.Utils.Events;
-using ILogger = Serilog.ILogger;
+using Serilog;
 
 namespace Phantom.Controller.Services.Instances;
 

Controller/Phantom.Controller.Services/Instances/InstanceManager.cs

@@ -4,20 +4,23 @@ using Phantom.Common.Data;
 using Phantom.Common.Data.Instance;
 using Phantom.Common.Data.Minecraft;
 using Phantom.Common.Data.Replies;
+using Phantom.Common.Data.Web.Instance;
+using Phantom.Common.Data.Web.Minecraft;
 using Phantom.Common.Logging;
 using Phantom.Common.Messages.Agent;
 using Phantom.Common.Messages.Agent.ToAgent;
 using Phantom.Controller.Database;
 using Phantom.Controller.Database.Entities;
+using Phantom.Controller.Database.Repositories;
 using Phantom.Controller.Minecraft;
 using Phantom.Controller.Services.Agents;
 using Phantom.Utils.Collections;
 using Phantom.Utils.Events;
-using ILogger = Serilog.ILogger;
+using Serilog;
 
 namespace Phantom.Controller.Services.Instances;
 
-public sealed class InstanceManager {
+sealed class InstanceManager {
 	private static readonly ILogger Logger = PhantomLogger.Create<InstanceManager>();
 
 	private readonly ObservableInstances instances = new (PhantomLogger.Create<InstanceManager, ObservableInstances>());
@@ -26,20 +29,20 @@ public sealed class InstanceManager {
 
 	private readonly AgentManager agentManager;
 	private readonly MinecraftVersions minecraftVersions;
-	private readonly IDatabaseProvider databaseProvider;
+	private readonly IDbContextProvider dbProvider;
 	private readonly CancellationToken cancellationToken;
 	
 	private readonly SemaphoreSlim modifyInstancesSemaphore = new (1, 1);
 
-	public InstanceManager(AgentManager agentManager, MinecraftVersions minecraftVersions, IDatabaseProvider databaseProvider, CancellationToken cancellationToken) {
+	public InstanceManager(AgentManager agentManager, MinecraftVersions minecraftVersions, IDbContextProvider dbProvider, CancellationToken cancellationToken) {
 		this.agentManager = agentManager;
 		this.minecraftVersions = minecraftVersions;
-		this.databaseProvider = databaseProvider;
+		this.dbProvider = dbProvider;
 		this.cancellationToken = cancellationToken;
 	}
 
 	public async Task Initialize() {
-		await using var ctx = databaseProvider.Provide();
+		await using var ctx = dbProvider.Eager();
 		await foreach (var entity in ctx.Instances.AsAsyncEnumerable().WithCancellation(cancellationToken)) {
 			var configuration = new InstanceConfiguration(
 				entity.AgentGuid,
@@ -54,53 +57,53 @@ public sealed class InstanceManager {
 				JvmArgumentsHelper.Split(entity.JvmArguments)
 			);
 
-			var instance = new Instance(configuration, entity.LaunchAutomatically);
+			var instance = Instance.Offline(configuration, entity.LaunchAutomatically);
 			instances.ByGuid[instance.Configuration.InstanceGuid] = instance;
 		}
 	}
 
 	[SuppressMessage("ReSharper", "ConvertIfStatementToConditionalTernaryExpression")]
-	public async Task<InstanceActionResult<AddOrEditInstanceResult>> AddOrEditInstance(InstanceConfiguration configuration) {
+	public async Task<InstanceActionResult<CreateOrUpdateInstanceResult>> CreateOrUpdateInstance(Guid auditLogUserGuid, InstanceConfiguration configuration) {
 		var agent = agentManager.GetAgent(configuration.AgentGuid);
 		if (agent == null) {
-			return InstanceActionResult.Concrete(AddOrEditInstanceResult.AgentNotFound);
+			return InstanceActionResult.Concrete(CreateOrUpdateInstanceResult.AgentNotFound);
 		}
 
 		if (string.IsNullOrWhiteSpace(configuration.InstanceName)) {
-			return InstanceActionResult.Concrete(AddOrEditInstanceResult.InstanceNameMustNotBeEmpty);
+			return InstanceActionResult.Concrete(CreateOrUpdateInstanceResult.InstanceNameMustNotBeEmpty);
 		}
 		
 		if (configuration.MemoryAllocation <= RamAllocationUnits.Zero) {
-			return InstanceActionResult.Concrete(AddOrEditInstanceResult.InstanceMemoryMustNotBeZero);
+			return InstanceActionResult.Concrete(CreateOrUpdateInstanceResult.InstanceMemoryMustNotBeZero);
 		}
 		
 		var serverExecutableInfo = await minecraftVersions.GetServerExecutableInfo(configuration.MinecraftVersion, cancellationToken);
 		if (serverExecutableInfo == null) {
-			return InstanceActionResult.Concrete(AddOrEditInstanceResult.MinecraftVersionDownloadInfoNotFound);
+			return InstanceActionResult.Concrete(CreateOrUpdateInstanceResult.MinecraftVersionDownloadInfoNotFound);
 		}
 
-		InstanceActionResult<AddOrEditInstanceResult> result;
+		InstanceActionResult<CreateOrUpdateInstanceResult> result;
 		bool isNewInstance;
 
 		await modifyInstancesSemaphore.WaitAsync(cancellationToken);
 		try {
 			isNewInstance = !instances.ByGuid.TryReplace(configuration.InstanceGuid, instance => instance with { Configuration = configuration });
 			if (isNewInstance) {
-				instances.ByGuid.TryAdd(configuration.InstanceGuid, new Instance(configuration));
+				instances.ByGuid.TryAdd(configuration.InstanceGuid, Instance.Offline(configuration));
 			}
 
 			var message = new ConfigureInstanceMessage(configuration, new InstanceLaunchProperties(serverExecutableInfo));
 			var reply = await agentManager.SendMessage<ConfigureInstanceMessage, InstanceActionResult<ConfigureInstanceResult>>(configuration.AgentGuid, message, TimeSpan.FromSeconds(10));
 			
 			result = reply.DidNotReplyIfNull().Map(static result => result switch {
-				ConfigureInstanceResult.Success => AddOrEditInstanceResult.Success,
-				_                               => AddOrEditInstanceResult.UnknownError
+				ConfigureInstanceResult.Success => CreateOrUpdateInstanceResult.Success,
+				_                               => CreateOrUpdateInstanceResult.UnknownError
 			});
 			
-			if (result.Is(AddOrEditInstanceResult.Success)) {
-				await using var ctx = databaseProvider.Provide();
-				InstanceEntity entity = ctx.InstanceUpsert.Fetch(configuration.InstanceGuid);
+			if (result.Is(CreateOrUpdateInstanceResult.Success)) {
+				await using var db = dbProvider.Lazy();
 				
+				InstanceEntity entity = db.Ctx.InstanceUpsert.Fetch(configuration.InstanceGuid);
 				entity.AgentGuid = configuration.AgentGuid;
 				entity.InstanceName = configuration.InstanceName;
 				entity.ServerPort = configuration.ServerPort;
@@ -111,7 +114,15 @@ public sealed class InstanceManager {
 				entity.JavaRuntimeGuid = configuration.JavaRuntimeGuid;
 				entity.JvmArguments = JvmArgumentsHelper.Join(configuration.JvmArguments);
 				
-				await ctx.SaveChangesAsync(cancellationToken);
+				var auditLogWriter = new AuditLogRepositoryWriter(db, auditLogUserGuid);
+				if (isNewInstance) {
+					auditLogWriter.AddInstanceCreatedEvent(configuration.InstanceGuid);
+				}
+				else {
+					auditLogWriter.AddInstanceEditedEvent(configuration.InstanceGuid);
+				}
+
+				await db.Ctx.SaveChangesAsync(cancellationToken);
 			}
 			else if (isNewInstance) {
 				instances.ByGuid.Remove(configuration.InstanceGuid);
@@ -120,7 +131,7 @@ public sealed class InstanceManager {
 			modifyInstancesSemaphore.Release();
 		}
 		
-		if (result.Is(AddOrEditInstanceResult.Success)) {
+		if (result.Is(CreateOrUpdateInstanceResult.Success)) {
 			if (isNewInstance) {
 				Logger.Information("Added instance \"{InstanceName}\" (GUID {InstanceGuid}) to agent \"{AgentName}\".", configuration.InstanceName, configuration.InstanceGuid, agent.Name);
 			}
@@ -130,10 +141,10 @@ public sealed class InstanceManager {
 		}
 		else {
 			if (isNewInstance) {
-				Logger.Information("Failed adding instance \"{InstanceName}\" (GUID {InstanceGuid}) to agent \"{AgentName}\". {ErrorMessage}", configuration.InstanceName, configuration.InstanceGuid, agent.Name, result.ToSentence(AddOrEditInstanceResultExtensions.ToSentence));
+				Logger.Information("Failed adding instance \"{InstanceName}\" (GUID {InstanceGuid}) to agent \"{AgentName}\". {ErrorMessage}", configuration.InstanceName, configuration.InstanceGuid, agent.Name, result.ToSentence(CreateOrUpdateInstanceResultExtensions.ToSentence));
 			}
 			else {
-				Logger.Information("Failed editing instance \"{InstanceName}\" (GUID {InstanceGuid}) in agent \"{AgentName}\". {ErrorMessage}", configuration.InstanceName, configuration.InstanceGuid, agent.Name, result.ToSentence(AddOrEditInstanceResultExtensions.ToSentence));
+				Logger.Information("Failed editing instance \"{InstanceName}\" (GUID {InstanceGuid}) in agent \"{AgentName}\". {ErrorMessage}", configuration.InstanceName, configuration.InstanceGuid, agent.Name, result.ToSentence(CreateOrUpdateInstanceResultExtensions.ToSentence));
 			}
 		}
 
@@ -165,42 +176,50 @@ public sealed class InstanceManager {
 		return instances.ByGuid.TryGetValue(instanceGuid, out var instance) ? await SendInstanceActionMessage<TMessage, TReply>(instance, message) : InstanceActionResult.General<TReply>(InstanceActionGeneralResult.InstanceDoesNotExist);
 	}
 
-	public async Task<InstanceActionResult<LaunchInstanceResult>> LaunchInstance(Guid instanceGuid) {
+	public async Task<InstanceActionResult<LaunchInstanceResult>> LaunchInstance(Guid auditLogUserGuid, Guid instanceGuid) {
 		var result = await SendInstanceActionMessage<LaunchInstanceMessage, LaunchInstanceResult>(instanceGuid, new LaunchInstanceMessage(instanceGuid));
 		if (result.Is(LaunchInstanceResult.LaunchInitiated)) {
-			await SetInstanceShouldLaunchAutomatically(instanceGuid, true);
+			await HandleInstanceManuallyLaunchedOrStopped(instanceGuid, true, auditLogUserGuid, auditLogRepository => auditLogRepository.AddInstanceLaunchedEvent(instanceGuid));
 		}
 
 		return result;
 	}
 
-	public async Task<InstanceActionResult<StopInstanceResult>> StopInstance(Guid instanceGuid, MinecraftStopStrategy stopStrategy) {
+	public async Task<InstanceActionResult<StopInstanceResult>> StopInstance(Guid auditLogUserGuid, Guid instanceGuid, MinecraftStopStrategy stopStrategy) {
 		var result = await SendInstanceActionMessage<StopInstanceMessage, StopInstanceResult>(instanceGuid, new StopInstanceMessage(instanceGuid, stopStrategy));
 		if (result.Is(StopInstanceResult.StopInitiated)) {
-			await SetInstanceShouldLaunchAutomatically(instanceGuid, false);
+			await HandleInstanceManuallyLaunchedOrStopped(instanceGuid, false, auditLogUserGuid, auditLogRepository => auditLogRepository.AddInstanceStoppedEvent(instanceGuid, stopStrategy.Seconds));
 		}
 
 		return result;
 	}
 
-	private async Task SetInstanceShouldLaunchAutomatically(Guid instanceGuid, bool shouldLaunchAutomatically) {
+	private async Task HandleInstanceManuallyLaunchedOrStopped(Guid instanceGuid, bool wasLaunched, Guid auditLogUserGuid, Action<AuditLogRepositoryWriter> addAuditEvent) {
 		await modifyInstancesSemaphore.WaitAsync(cancellationToken);
 		try {
-			instances.ByGuid.TryReplace(instanceGuid, instance => instance with { LaunchAutomatically = shouldLaunchAutomatically });
+			instances.ByGuid.TryReplace(instanceGuid, instance => instance with { LaunchAutomatically = wasLaunched });
 
-			await using var ctx = databaseProvider.Provide();
-			var entity = await ctx.Instances.FindAsync(instanceGuid, cancellationToken);
+			await using var db = dbProvider.Lazy();
+			var entity = await db.Ctx.Instances.FindAsync(new object[] { instanceGuid }, cancellationToken);
 			if (entity != null) {
-				entity.LaunchAutomatically = shouldLaunchAutomatically;
-				await ctx.SaveChangesAsync(cancellationToken);
+				entity.LaunchAutomatically = wasLaunched;
+				addAuditEvent(new AuditLogRepositoryWriter(db, auditLogUserGuid));
+				await db.Ctx.SaveChangesAsync(cancellationToken);
 			}
 		} finally {
 			modifyInstancesSemaphore.Release();
 		}
 	}
 
-	public async Task<InstanceActionResult<SendCommandToInstanceResult>> SendCommand(Guid instanceGuid, string command) {
-		return await SendInstanceActionMessage<SendCommandToInstanceMessage, SendCommandToInstanceResult>(instanceGuid, new SendCommandToInstanceMessage(instanceGuid, command));
+	public async Task<InstanceActionResult<SendCommandToInstanceResult>> SendCommand(Guid auditLogUserId, Guid instanceGuid, string command) {
+		var result = await SendInstanceActionMessage<SendCommandToInstanceMessage, SendCommandToInstanceResult>(instanceGuid, new SendCommandToInstanceMessage(instanceGuid, command));
+		if (result.Is(SendCommandToInstanceResult.Success)) {
+			await using var db = dbProvider.Lazy();
+			new AuditLogRepositoryWriter(db, auditLogUserId).AddInstanceCommandExecutedEvent(instanceGuid, command);
+			await db.Ctx.SaveChangesAsync(cancellationToken);
+		}
+
+		return result;
 	}
 
 	internal async Task<ImmutableArray<ConfigureInstanceMessage>> GetInstanceConfigurationsForAgent(Guid agentGuid) {

Controller/Phantom.Controller.Services/Phantom.Controller.Services.csproj

@@ -11,6 +11,7 @@
   
   <ItemGroup>
     <ProjectReference Include="..\..\Common\Phantom.Common.Data\Phantom.Common.Data.csproj" />
+    <ProjectReference Include="..\..\Common\Phantom.Common.Data.Web\Phantom.Common.Data.Web.csproj" />
     <ProjectReference Include="..\..\Utils\Phantom.Utils.Events\Phantom.Utils.Events.csproj" />
     <ProjectReference Include="..\Phantom.Controller.Database\Phantom.Controller.Database.csproj" />
     <ProjectReference Include="..\Phantom.Controller.Minecraft\Phantom.Controller.Minecraft.csproj" />

Controller/Phantom.Controller.Services/Rpc/AgentMessageListener.cs

@@ -19,18 +19,18 @@ public sealed class AgentMessageListener : IMessageToControllerListener {
 	private readonly AgentJavaRuntimesManager agentJavaRuntimesManager;
 	private readonly InstanceManager instanceManager;
 	private readonly InstanceLogManager instanceLogManager;
-	private readonly EventLog eventLog;
+	private readonly EventLogManager eventLogManager;
 	private readonly CancellationToken cancellationToken;
 
 	private readonly TaskCompletionSource<Guid> agentGuidWaiter = AsyncTasks.CreateCompletionSource<Guid>();
 
-	internal AgentMessageListener(RpcConnectionToClient<IMessageToAgentListener> connection, AgentManager agentManager, AgentJavaRuntimesManager agentJavaRuntimesManager, InstanceManager instanceManager, InstanceLogManager instanceLogManager, EventLog eventLog, CancellationToken cancellationToken) {
+	internal AgentMessageListener(RpcConnectionToClient<IMessageToAgentListener> connection, AgentManager agentManager, AgentJavaRuntimesManager agentJavaRuntimesManager, InstanceManager instanceManager, InstanceLogManager instanceLogManager, EventLogManager eventLogManager, CancellationToken cancellationToken) {
 		this.connection = connection;
 		this.agentManager = agentManager;
 		this.agentJavaRuntimesManager = agentJavaRuntimesManager;
 		this.instanceManager = instanceManager;
 		this.instanceLogManager = instanceLogManager;
-		this.eventLog = eventLog;
+		this.eventLogManager = eventLogManager;
 		this.cancellationToken = cancellationToken;
 	}
 
@@ -83,7 +83,7 @@ public sealed class AgentMessageListener : IMessageToControllerListener {
 	}
 
 	public async Task<NoReply> HandleReportInstanceEvent(ReportInstanceEventMessage message) {
-		message.Event.Accept(eventLog.CreateInstanceEventVisitor(message.EventGuid, message.UtcTime, await WaitForAgentGuid(), message.InstanceGuid));
+		message.Event.Accept(eventLogManager.CreateInstanceEventVisitor(message.EventGuid, message.UtcTime, await WaitForAgentGuid(), message.InstanceGuid));
 		return NoReply.Instance;
 	}
 

Controller/Phantom.Controller.Services/Rpc/WebMessageListener.cs

@@ -1,15 +1,148 @@
-using Phantom.Common.Messages.Web;
+using System.Collections.Immutable;
+using Phantom.Common.Data;
+using Phantom.Common.Data.Java;
+using Phantom.Common.Data.Minecraft;
+using Phantom.Common.Data.Replies;
+using Phantom.Common.Data.Web.Agent;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Common.Data.Web.EventLog;
+using Phantom.Common.Data.Web.Instance;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Logging;
+using Phantom.Common.Messages.Web;
 using Phantom.Common.Messages.Web.BiDirectional;
+using Phantom.Common.Messages.Web.ToController;
+using Phantom.Common.Messages.Web.ToWeb;
+using Phantom.Controller.Minecraft;
 using Phantom.Controller.Rpc;
+using Phantom.Controller.Services.Agents;
+using Phantom.Controller.Services.Events;
+using Phantom.Controller.Services.Instances;
+using Phantom.Controller.Services.Users;
 using Phantom.Utils.Rpc.Message;
+using Phantom.Utils.Tasks;
+using Serilog;
 
 namespace Phantom.Controller.Services.Rpc;
 
 public sealed class WebMessageListener : IMessageToControllerListener {
-	private readonly RpcConnectionToClient<IMessageToWebListener> connection;
+	private static readonly ILogger Logger = PhantomLogger.Create<WebMessageListener>();
 	
-	internal WebMessageListener(RpcConnectionToClient<IMessageToWebListener> connection) {
+	private readonly RpcConnectionToClient<IMessageToWebListener> connection;
+	private readonly AuthToken authToken;
+	private readonly UserManager userManager;
+	private readonly UserLoginManager userLoginManager;
+	private readonly AuditLogManager auditLogManager;
+	private readonly AgentManager agentManager;
+	private readonly AgentJavaRuntimesManager agentJavaRuntimesManager;
+	private readonly InstanceManager instanceManager;
+	private readonly MinecraftVersions minecraftVersions;
+	private readonly EventLogManager eventLogManager;
+	private readonly TaskManager taskManager;
+
+	internal WebMessageListener(
+		RpcConnectionToClient<IMessageToWebListener> connection,
+		AuthToken authToken,
+		UserManager userManager,
+		UserLoginManager userLoginManager,
+		AuditLogManager auditLogManager,
+		AgentManager agentManager,
+		AgentJavaRuntimesManager agentJavaRuntimesManager,
+		InstanceManager instanceManager,
+		MinecraftVersions minecraftVersions,
+		EventLogManager eventLogManager,
+		TaskManager taskManager
+	) {
 		this.connection = connection;
+		this.connection.Closed += OnConnectionClosed;
+		
+		this.authToken = authToken;
+		this.userManager = userManager;
+		this.userLoginManager = userLoginManager;
+		this.auditLogManager = auditLogManager;
+		this.agentManager = agentManager;
+		this.agentJavaRuntimesManager = agentJavaRuntimesManager;
+		this.instanceManager = instanceManager;
+		this.minecraftVersions = minecraftVersions;
+		this.eventLogManager = eventLogManager;
+		
+		this.taskManager = taskManager;
+	}
+
+	private void OnConnectionClosed(object? sender, RpcClientConnectionClosedEventArgs e) {
+		agentManager.AgentsChanged.Unsubscribe(this);
+		instanceManager.InstancesChanged.Unsubscribe(this);
+	}
+
+	public async Task<NoReply> HandleRegisterWeb(RegisterWebMessage message) {
+		if (authToken.FixedTimeEquals(message.AuthToken)) {
+			Logger.Information("Web authorized successfully.");
+			connection.IsAuthorized = true;
+			await connection.Send(new RegisterWebResultMessage(true));
+		}
+		else {
+			Logger.Warning("Web failed to authorize, invalid token.");
+			await connection.Send(new RegisterWebResultMessage(false));
+		}
+		
+		agentManager.AgentsChanged.Subscribe(this, HandleAgentsChanged);
+		instanceManager.InstancesChanged.Subscribe(this, HandleInstancesChanged);
+		
+		return NoReply.Instance;
+	}
+
+	private void HandleAgentsChanged(ImmutableArray<Agent> agents) {
+		var message = new RefreshAgentsMessage(agents.Select(static agent => new AgentWithStats(agent.Guid, agent.Name, agent.ProtocolVersion, agent.BuildVersion, agent.MaxInstances, agent.MaxMemory, agent.AllowedServerPorts, agent.AllowedRconPorts, agent.Stats, agent.LastPing, agent.IsOnline)).ToImmutableArray());
+		taskManager.Run("Send agents to web", () => connection.Send(message));
+	}
+
+	private void HandleInstancesChanged(ImmutableDictionary<Guid, Instance> instances) {
+		var message = new RefreshInstancesMessage(instances.Values.ToImmutableArray());
+		taskManager.Run("Send instances to web", () => connection.Send(message));
+	}
+
+	public Task<CreateOrUpdateAdministratorUserResult> HandleCreateOrUpdateAdministratorUser(CreateOrUpdateAdministratorUserMessage message) {
+		return userManager.CreateOrUpdateAdministrator(message.Username, message.Password);
+	}
+
+	public Task<InstanceActionResult<CreateOrUpdateInstanceResult>> HandleCreateOrUpdateInstance(CreateOrUpdateInstanceMessage message) {
+		return instanceManager.CreateOrUpdateInstance( message.LoggedInUserGuid, message.Configuration);
+	}
+
+	public Task<InstanceActionResult<LaunchInstanceResult>> HandleLaunchInstance(LaunchInstanceMessage message) {
+		return instanceManager.LaunchInstance(message.LoggedInUserGuid, message.InstanceGuid);
+	}
+
+	public Task<InstanceActionResult<StopInstanceResult>> HandleStopInstance(StopInstanceMessage message) {
+		return instanceManager.StopInstance(message.LoggedInUserGuid, message.InstanceGuid, message.StopStrategy);
+	}
+
+	public Task<InstanceActionResult<SendCommandToInstanceResult>> HandleSendCommandToInstance(SendCommandToInstanceMessage message) {
+		return instanceManager.SendCommand(message.LoggedInUserGuid, message.InstanceGuid, message.Command);
+	}
+
+	public Task<ImmutableArray<MinecraftVersion>> HandleGetMinecraftVersions(GetMinecraftVersionsMessage message) {
+		return minecraftVersions.GetVersions(CancellationToken.None);
+	}
+
+	public Task<ImmutableDictionary<Guid, ImmutableArray<TaggedJavaRuntime>>> HandleGetAgentJavaRuntimes(GetAgentJavaRuntimesMessage message) {
+		return Task.FromResult(agentJavaRuntimesManager.All);
+	}
+
+	public Task<ImmutableArray<UserInfo>> HandleGetUsers(GetUsersMessage message) {
+		return userManager.GetAll();
+	}
+
+	public Task<ImmutableArray<AuditLogItem>> HandleGetAuditLog(GetAuditLogMessage message) {
+		return auditLogManager.GetMostRecentItems(message.Count);
+	}
+
+	public Task<ImmutableArray<EventLogItem>> HandleGetEventLog(GetEventLogMessage message) {
+		return eventLogManager.GetMostRecentItems(message.Count);
+	}
+
+	public Task<LogInSuccess?> HandleLogIn(LogInMessage message) {
+		return userLoginManager.LogIn(message.Username, message.Password);
 	}
 
 	public Task<NoReply> HandleReply(ReplyMessage message) {

Controller/Phantom.Controller.Services/Users/AddUserError.cs

@@ -1,17 +0,0 @@
-using System.Collections.Immutable;
-
-namespace Phantom.Controller.Services.Users;
-
-public abstract record AddUserError {
-	private AddUserError() {}
-
-	public sealed record NameIsEmpty : AddUserError;
-
-	public sealed record NameIsTooLong(int MaximumLength) : AddUserError;
-
-	public sealed record NameAlreadyExists : AddUserError;
-
-	public sealed record PasswordIsInvalid(ImmutableArray<PasswordRequirementViolation> Violations) : AddUserError;
-
-	public sealed record UnknownError : AddUserError;
-}

Controller/Phantom.Controller.Services/Users/AuditLogManager.cs

@@ -0,0 +1,19 @@
+using System.Collections.Immutable;
+using Phantom.Common.Data.Web.AuditLog;
+using Phantom.Controller.Database;
+using Phantom.Controller.Database.Repositories;
+
+namespace Phantom.Controller.Services.Users; 
+
+sealed class AuditLogManager {
+	private readonly IDbContextProvider dbProvider;
+
+	public AuditLogManager(IDbContextProvider dbProvider) {
+		this.dbProvider = dbProvider;
+	}
+
+	public async Task<ImmutableArray<AuditLogItem>> GetMostRecentItems(int count) {
+		await using var db = dbProvider.Lazy();
+		return await new AuditLogRepositoryReader(db).GetMostRecentItems(count, CancellationToken.None);
+	}
+}

Controller/Phantom.Controller.Services/Users/PasswordRequirementViolation.cs

@@ -1,13 +0,0 @@
-namespace Phantom.Controller.Services.Users;
-
-public abstract record PasswordRequirementViolation {
-	private PasswordRequirementViolation() {}
-
-	public sealed record TooShort(int MinimumLength) : PasswordRequirementViolation;
-
-	public sealed record LowercaseLetterRequired : PasswordRequirementViolation;
-
-	public sealed record UppercaseLetterRequired : PasswordRequirementViolation;
-
-	public sealed record DigitRequired : PasswordRequirementViolation;
-}

Controller/Phantom.Controller.Services/Users/PermissionManager.cs

@@ -0,0 +1,70 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Data.Web.Users;
+using Phantom.Common.Logging;
+using Phantom.Controller.Database;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+using Serilog;
+
+namespace Phantom.Controller.Services.Users;
+
+sealed class PermissionManager {
+	private static readonly ILogger Logger = PhantomLogger.Create<PermissionManager>();
+
+	private readonly IDbContextProvider dbProvider;
+
+	public PermissionManager(IDbContextProvider dbProvider) {
+		this.dbProvider = dbProvider;
+	}
+
+	public async Task Initialize() {
+		Logger.Information("Adding default permissions to database.");
+
+		await using var ctx = dbProvider.Eager();
+
+		var existingPermissionIds = await ctx.Permissions.Select(static p => p.Id).AsAsyncEnumerable().ToImmutableSetAsync();
+		var missingPermissionIds = GetMissingPermissionsOrdered(Permission.All, existingPermissionIds);
+		if (!missingPermissionIds.IsEmpty) {
+			Logger.Information("Adding default permissions: {Permissions}", string.Join(", ", missingPermissionIds));
+
+			foreach (var permissionId in missingPermissionIds) {
+				ctx.Permissions.Add(new PermissionEntity(permissionId));
+			}
+
+			await ctx.SaveChangesAsync();
+		}
+	}
+
+	public async Task<PermissionSet> FetchPermissionsForAllUsers(Guid userId) {
+		await using var ctx = dbProvider.Eager();
+		
+		var userPermissions = ctx.UserPermissions
+		                         .Where(up => up.UserGuid == userId)
+		                         .Select(static up => up.PermissionId);
+		
+		var rolePermissions = ctx.UserRoles
+		                         .Where(ur => ur.UserGuid == userId)
+		                         .Join(ctx.RolePermissions, static ur => ur.RoleGuid, static rp => rp.RoleGuid, static (ur, rp) => rp.PermissionId);
+		
+		return new PermissionSet(await userPermissions.Union(rolePermissions).AsAsyncEnumerable().ToImmutableSetAsync());
+	}
+	
+	public async Task<PermissionSet> FetchPermissionsForUserId(Guid userId) {
+		await using var ctx = dbProvider.Eager();
+		
+		var userPermissions = ctx.UserPermissions
+		                         .Where(up => up.UserGuid == userId)
+		                         .Select(static up => up.PermissionId);
+		
+		var rolePermissions = ctx.UserRoles
+		                         .Where(ur => ur.UserGuid == userId)
+		                         .Join(ctx.RolePermissions, static ur => ur.RoleGuid, static rp => rp.RoleGuid, static (ur, rp) => rp.PermissionId);
+		
+		return new PermissionSet(await userPermissions.Union(rolePermissions).AsAsyncEnumerable().ToImmutableSetAsync());
+	}
+
+	public static ImmutableArray<string> GetMissingPermissionsOrdered(IEnumerable<Permission> allPermissions, ImmutableHashSet<string> existingPermissionIds) {
+		return allPermissions.Select(static permission => permission.Id).Except(existingPermissionIds).Order().ToImmutableArray();
+	}
+}

Controller/Phantom.Controller.Services/Users/Permissions/IdentityPermissions.cs

@@ -1,29 +0,0 @@
-using System.Collections.Immutable;
-
-namespace Phantom.Controller.Services.Users.Permissions;
-
-public sealed class IdentityPermissions {
-	internal static IdentityPermissions None { get; } = new ();
-	
-	private readonly ImmutableHashSet<string> permissionIds;
-
-	internal IdentityPermissions(IQueryable<string> permissionIdsQuery) {
-		this.permissionIds = permissionIdsQuery.ToImmutableHashSet();
-	}
-
-	private IdentityPermissions() {
-		this.permissionIds = ImmutableHashSet<string>.Empty;
-	}
-
-	public bool Check(Permission? permission) {
-		while (permission != null) {
-			if (!permissionIds.Contains(permission.Id)) {
-				return false;
-			}
-
-			permission = permission.Parent;
-		}
-
-		return true;
-	}
-}

Controller/Phantom.Controller.Services/Users/Permissions/PermissionManager.cs

@@ -1,68 +0,0 @@
-using System.Collections.Immutable;
-using System.Security.Claims;
-using Microsoft.EntityFrameworkCore;
-using Phantom.Common.Logging;
-using Phantom.Controller.Database;
-using Phantom.Controller.Database.Entities;
-using Phantom.Utils.Collections;
-using ILogger = Serilog.ILogger;
-
-namespace Phantom.Controller.Services.Users.Permissions;
-
-public sealed class PermissionManager {
-	private static readonly ILogger Logger = PhantomLogger.Create<PermissionManager>();
-	
-	private readonly IDatabaseProvider databaseProvider;
-	private readonly Dictionary<Guid, IdentityPermissions> userIdsToPermissionIds = new ();
-
-	public PermissionManager(IDatabaseProvider databaseProvider) {
-		this.databaseProvider = databaseProvider;
-	}
-
-	internal async Task Initialize() {
-		Logger.Information("Adding default permissions to database.");
-		
-		await using var ctx = databaseProvider.Provide();
-		
-		var existingPermissionIds = await ctx.Permissions.Select(static p => p.Id).AsAsyncEnumerable().ToImmutableSetAsync();
-		var missingPermissionIds = GetMissingPermissionsOrdered(Permission.All, existingPermissionIds);
-		if (!missingPermissionIds.IsEmpty) {
-			Logger.Information("Adding default permissions: {Permissions}", string.Join(", ", missingPermissionIds));
-			
-			foreach (var permissionId in missingPermissionIds) {
-				ctx.Permissions.Add(new PermissionEntity(permissionId));
-			}
-			
-			await ctx.SaveChangesAsync();
-		}
-	}
-	
-	internal static ImmutableArray<string> GetMissingPermissionsOrdered(IEnumerable<Permission> allPermissions, ImmutableHashSet<string> existingPermissionIds) {
-		return allPermissions.Select(static permission => permission.Id).Except(existingPermissionIds).Order().ToImmutableArray();
-	}
-
-	private IdentityPermissions FetchPermissionsForUserId(Guid userId) {
-		using var ctx = databaseProvider.Provide();
-		var userPermissions = ctx.UserPermissions.Where(up => up.UserGuid == userId).Select(static up => up.PermissionId);
-		var rolePermissions = ctx.UserRoles.Where(ur => ur.UserGuid == userId).Join(ctx.RolePermissions, static ur => ur.RoleGuid, static rp => rp.RoleGuid, static (ur, rp) => rp.PermissionId);
-		return new IdentityPermissions(userPermissions.Union(rolePermissions));
-	}
-
-	private IdentityPermissions GetPermissionsForUserId(Guid userId, bool refreshCache) {
-		if (!refreshCache && userIdsToPermissionIds.TryGetValue(userId, out var userPermissions)) {
-			return userPermissions;
-		}
-		else {
-			return userIdsToPermissionIds[userId] = FetchPermissionsForUserId(userId);
-		}
-	}
-
-	public IdentityPermissions GetPermissions(ClaimsPrincipal user, bool refreshCache = false) {
-		Guid? userId = UserManager.GetAuthenticatedUserId(user);
-		return userId == null ? IdentityPermissions.None : GetPermissionsForUserId(userId.Value, refreshCache);
-	}
-
-	public bool CheckPermission(ClaimsPrincipal user, Permission permission, bool refreshCache = false) {
-		return GetPermissions(user, refreshCache).Check(permission);
-	}
-}

Controller/Phantom.Controller.Services/Users/Role.cs

@@ -1,7 +1,7 @@
 using System.Collections.Immutable;
-using Phantom.Controller.Services.Users.Permissions;
+using Phantom.Common.Data.Web.Users;
 
-namespace Phantom.Controller.Services.Users.Roles;
+namespace Phantom.Controller.Services.Users;
 
 public sealed record Role(Guid Guid, string Name, ImmutableArray<Permission> Permissions) {
 	private static readonly List<Role> AllRoles = new ();

Controller/Phantom.Controller.Services/Users/RoleManager.cs

@@ -0,0 +1,52 @@
+using System.Collections.Immutable;
+using Microsoft.EntityFrameworkCore;
+using Phantom.Common.Logging;
+using Phantom.Controller.Database;
+using Phantom.Controller.Database.Entities;
+using Phantom.Utils.Collections;
+using Serilog;
+
+namespace Phantom.Controller.Services.Users;
+
+sealed class RoleManager {
+	private static readonly ILogger Logger = PhantomLogger.Create<RoleManager>();
+
+	private readonly IDbContextProvider dbProvider;
+
+	public RoleManager(IDbContextProvider dbProvider) {
+		this.dbProvider = dbProvider;
+	}
+
+	internal async Task Initialize() {
+		Logger.Information("Adding default roles to database.");
+
+		await using var ctx = dbProvider.Eager();
+
+		var existingRoleNames = await ctx.Roles
+		                                 .Select(static role => role.Name)
+		                                 .AsAsyncEnumerable()
+		                                 .ToImmutableSetAsync();
+
+		var existingPermissionIdsByRoleGuid = await ctx.RolePermissions
+		                                               .GroupBy(static rp => rp.RoleGuid, static rp => rp.PermissionId)
+		                                               .ToDictionaryAsync(static g => g.Key, static g => g.ToImmutableHashSet());
+
+		foreach (var role in Role.All) {
+			if (!existingRoleNames.Contains(role.Name)) {
+				Logger.Information("Adding default role \"{Name}\".", role.Name);
+				ctx.Roles.Add(new RoleEntity(role.Guid, role.Name));
+			}
+
+			var existingPermissionIds = existingPermissionIdsByRoleGuid.TryGetValue(role.Guid, out var ids) ? ids : ImmutableHashSet<string>.Empty;
+			var missingPermissionIds = PermissionManager.GetMissingPermissionsOrdered(role.Permissions, existingPermissionIds);
+			if (!missingPermissionIds.IsEmpty) {
+				Logger.Information("Assigning default permission to role \"{Name}\": {Permissions}", role.Name, string.Join(", ", missingPermissionIds));
+				foreach (var permissionId in missingPermissionIds) {
+					ctx.RolePermissions.Add(new RolePermissionEntity(role.Guid, permissionId));
+				}
+			}
+		}
+
+		await ctx.SaveChangesAsync();
+	}
+}

Controller/Phantom.Controller.Services/Users/Roles/RoleManager.cs

@@ -1,99 +0,0 @@
-using System.Collections.Immutable;
-using Microsoft.EntityFrameworkCore;
-using Phantom.Common.Logging;
-using Phantom.Controller.Database;
-using Phantom.Controller.Database.Entities;
-using Phantom.Controller.Services.Users.Permissions;
-using Phantom.Utils.Collections;
-using Phantom.Utils.Tasks;
-using ILogger = Serilog.ILogger;
-
-namespace Phantom.Controller.Services.Users.Roles;
-
-public sealed class RoleManager {
-	private static readonly ILogger Logger = PhantomLogger.Create<RoleManager>();
-
-	private const int MaxRoleNameLength = 40;
-
-	private readonly IDatabaseProvider databaseProvider;
-
-	public RoleManager(IDatabaseProvider databaseProvider) {
-		this.databaseProvider = databaseProvider;
-	}
-
-	internal async Task Initialize() {
-		Logger.Information("Adding default roles to database.");
-		
-		await using var ctx = databaseProvider.Provide();
-
-		var existingRoleNames = await ctx.Roles
-		                                 .Select(static role => role.Name)
-		                                 .AsAsyncEnumerable()
-		                                 .ToImmutableSetAsync();
-		
-		var existingPermissionIdsByRoleGuid = await ctx.RolePermissions
-		                                               .GroupBy(static rp => rp.RoleGuid, static rp => rp.PermissionId)
-		                                               .ToDictionaryAsync(static g => g.Key, static g => g.ToImmutableHashSet());
-		
-		foreach (var role in Role.All) {
-			if (!existingRoleNames.Contains(role.Name)) {
-				Logger.Information("Adding default role \"{Name}\".", role.Name);
-				ctx.Roles.Add(new RoleEntity(role.Guid, role.Name));
-			}
-			
-			var existingPermissionIds = existingPermissionIdsByRoleGuid.TryGetValue(role.Guid, out var ids) ? ids : ImmutableHashSet<string>.Empty;
-			var missingPermissionIds = PermissionManager.GetMissingPermissionsOrdered(role.Permissions, existingPermissionIds);
-			if (!missingPermissionIds.IsEmpty) {
-				Logger.Information("Assigning default permission to role \"{Name}\": {Permissions}", role.Name, string.Join(", ", missingPermissionIds));
-				foreach (var permissionId in missingPermissionIds) {
-					ctx.RolePermissions.Add(new RolePermissionEntity(role.Guid, permissionId));
-				}
-			}
-		}
-		
-		await ctx.SaveChangesAsync();
-	}
-
-	public async Task<List<RoleEntity>> GetAll() {
-		await using var ctx = databaseProvider.Provide();
-		return await ctx.Roles.ToListAsync();
-	}
-
-	public async Task<ImmutableHashSet<string>> GetAllNames() {
-		await using var ctx = databaseProvider.Provide();
-		return await ctx.Roles.Select(static role => role.Name).AsAsyncEnumerable().ToImmutableSetAsync();
-	}
-
-	public async ValueTask<RoleEntity?> GetByGuid(Guid guid) {
-		await using var ctx = databaseProvider.Provide();
-		return await ctx.Roles.FindAsync(guid);
-	}
-
-	public async Task<Result<RoleEntity, AddRoleError>> Create(string name) {
-		if (string.IsNullOrWhiteSpace(name)) {
-			return Result.Fail<RoleEntity, AddRoleError>(AddRoleError.NameIsEmpty);
-		}
-		else if (name.Length > MaxRoleNameLength) {
-			return Result.Fail<RoleEntity, AddRoleError>(AddRoleError.NameIsTooLong);
-		}
-
-		RoleEntity newRole;
-		try {
-			await using var ctx = databaseProvider.Provide();
-			
-			if (await ctx.Roles.AnyAsync(role => role.Name == name)) {
-				return Result.Fail<RoleEntity, AddRoleError>(AddRoleError.NameAlreadyExists);
-			}
-				
-			newRole = new RoleEntity(Guid.NewGuid(), name);
-			ctx.Roles.Add(newRole);
-			await ctx.SaveChangesAsync();
-		} catch (Exception e) {
-			Logger.Error(e, "Could not create role \"{Name}\".", name);
-			return Result.Fail<RoleEntity, AddRoleError>(AddRoleError.UnknownError);
-		}
-
-		Logger.Information("Created role \"{Name}\" (GUID {Guid}).", name, newRole.RoleGuid);
-		return Result.Ok<RoleEntity, AddRoleError>(newRole);
-	}
-}