Add RemoveFingerprintCommand

Akari.Prototype.Server/Cli/Commands/FingerprintCommands.cs

@@ -35,6 +35,32 @@ namespace Akari.Prototype.Server.Cli.Commands
             }
         }
 
+        [Command("fp r", Description = "Remove a fingerprint")]
+        public class RemoveFingerprintCommand : ICommand
+        {
+            [CommandParameter(0, Description = "The fingerprint name")]
+            public string Name { get; init; }
+
+            private readonly IFingerprintManager _fingerprintManager;
+
+            public RemoveFingerprintCommand(IFingerprintManager fingerprintManager)
+            {
+                _fingerprintManager = fingerprintManager;
+            }
+
+            public ValueTask ExecuteAsync(IConsole console)
+            {
+                if (!_fingerprintManager.Remove(Name))
+                {
+                    throw new CommandException($"The fingerprint {Name} doesn't exist");
+                }
+
+                console.AsAnsiConsole().Markup($"[green]Successfully deleted {Name}[/]");
+
+                return default;
+            }
+        }
+
         public FingerprintCommands(IFingerprintManager fingerprintManager)
         {
             _fingerprintManager = fingerprintManager;

Akari.Prototype.Server/Program.cs

@@ -75,6 +75,7 @@ namespace Akari.Prototype.Server
                     Startup.ConfigureStandardServices(hostContext.Configuration, services);
 
                     services.AddTransient<FingerprintCommands>();
+                    services.AddTransient<FingerprintCommands.RemoveFingerprintCommand>();
                 });
 
         public static IHostBuilder CreateWebHostBuilder(string[] args) =>

Akari.Prototype.Server/Services/FingerprintManager.cs

@@ -53,6 +53,22 @@ namespace Akari.Prototype.Server.Services
             }
         }
 
+        private void SaveFingerprints()
+        {
+            var path = _akariPath.GetPath(FingerprintsPath);
+
+            File.WriteAllText(path, JsonSerializer.Serialize(_fingerprintsHash));
+        }
+
+        public bool Remove(string name)
+        {
+            var result = _fingerprintsHash.Remove(name);
+
+            SaveFingerprints();
+
+            return result;
+        }
+
         public void VerifyFingerprint(string name, string token)
         {
             _logger.LogDebug($"Verifying hash for {name}");

Akari.Prototype.Server/Services/IFingerprintManager.cs

@@ -10,6 +10,8 @@ namespace Akari.Prototype.Server.Services
     {
         IEnumerable<KeyValuePair<string, string>> FingerprintsHash { get; }
 
+        bool Remove(string name);
+
         void VerifyFingerprint(string name, string token);
     }
 }