Provide mechanism to validate API keys. Re-organise structure to reflect new responsibility

src/Robware.Auth/API/ApiKey.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Robware.Auth.API {
+	public class ApiKey {
+		public string Name { get; set; }
+		public DateTime IssueTimestamp { get; set; }
+		public string Key { get; set; }
+		public bool Enabled { get; set; }
+	}
+}

src/Robware.Auth/API/ApiKeyNotFoundException.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace Robware.Auth.API {
+	public class ApiKeyNotFoundException :Exception {
+		public ApiKeyNotFoundException(string key) : base("Could not find API key " + key) {
+			
+		}
+	}
+}

src/Robware.Auth/API/ApiKeyValidator.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Threading.Tasks;
+
+namespace Robware.Auth.API {
+	public class ApiKeyValidator : IApiKeyValidator {
+		private readonly IApiKeys _apiKeys;
+
+		public ApiKeyValidator(IApiKeys apiKeys) {
+			_apiKeys = apiKeys;
+		}
+
+		public async Task<bool> Validate(string key) {
+			try {
+				var apiKey = await _apiKeys.Get(key);
+				return apiKey.Enabled;
+			}
+			catch (ApiKeyNotFoundException) {
+				return false;
+			}
+		}
+	}
+}

src/Robware.Auth/API/IApiKeyValidator.cs

@@ -0,0 +1,7 @@
+using System.Threading.Tasks;
+
+namespace Robware.Auth.API {
+	public interface IApiKeyValidator {
+		Task<bool> Validate(string key);
+	}
+}

src/Robware.Auth/API/IApiKeys.cs

@@ -0,0 +1,7 @@
+using System.Threading.Tasks;
+
+namespace Robware.Auth.API {
+	public interface IApiKeys {
+		Task<ApiKey> Get(string key);
+	}
+}

src/Robware.Auth/Users/Authenticator.cs

@@ -1,7 +1,6 @@
-using System;
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public class Authenticator : IAuthenticator {
 		private readonly IUsers _users;
 		private readonly ICryptographyProvider _crypto;

src/Robware.Auth/Users/CryptographyProvider.cs

@@ -1,7 +1,7 @@
 using System.Security.Cryptography;
 using System.Text;
 
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public class CryptographyProvider : ICryptographyProvider {
 		public string Encrypt(string input) {
 			using (var sha256 = SHA256.Create()) {

src/Robware.Auth/Users/IAuthenticator.cs

@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public interface IAuthenticator {
 		Task<(AuthenticationResult Result, User User)> Authenticate(string username, string password);
 	}

src/Robware.Auth/Users/ICryptographyProvider.cs

@@ -1,4 +1,4 @@
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public interface ICryptographyProvider {
 		string Encrypt(string input);
 	}

src/Robware.Auth/Users/IUsers.cs

@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public interface IUsers {
 		Task<User> GetByEmail(string email);
 	}

src/Robware.Auth/Users/User.cs

@@ -1,4 +1,4 @@
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public class User {
 		public string Username { get; protected set; }
 		public string Password { get; protected set; }

src/Robware.Auth/Users/UserNotFoundException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Robware.Auth {
+namespace Robware.Auth.Users {
 	public class UserNotFoundException : Exception {
 		public UserNotFoundException(string username) : base("Could not find user " + username) {