winget-cli

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ToolResponse.cs (3252B)

      1 // -----------------------------------------------------------------------------
      2 // <copyright file="ToolResponse.cs" company="Microsoft Corporation">
      3 //     Copyright (c) Microsoft Corporation. Licensed under the MIT License.
      4 // </copyright>
      5 // -----------------------------------------------------------------------------
      6 
      7 namespace WinGetMCPServer.Response
      8 {
      9     using Microsoft.WinGet.SharedLib.PolicySettings;
     10     using ModelContextProtocol.Protocol;
     11     using System.Text.Json;
     12     using System.Text.Json.Serialization;
     13     using WinGetMCPServer.Exceptions;
     14     using static System.Runtime.InteropServices.JavaScript.JSType;
     15 
     16     /// <summary>
     17     /// Contains reusable responses for tools.
     18     /// </summary>
     19     internal static class ToolResponse
     20     {
     21         /// <summary>
     22         /// Checks whether the server is disabled by group policy.
     23         /// </summary>
     24         public static void CheckGroupPolicy()
     25         {
     26             if (!GroupPolicy.GetInstance().IsEnabled(Policy.McpServer))
     27             {
     28                 throw new ToolResponseException(new CallToolResult()
     29                 {
     30                     IsError = true,
     31                     Content = [new TextContentBlock() { Text = "The Windows Package Manager MCP server is disabled by group policy." }]
     32                 });
     33             }
     34         }
     35 
     36         /// <summary>
     37         /// Constructs a response from an object.
     38         /// </summary>
     39         /// <param name="value">The object to return in the response.</param>
     40         /// <param name="isError">Whether or not the response is an error.</param>
     41         /// <returns>The response.</returns>
     42         public static CallToolResult FromObject(object value, bool isError = false)
     43         {
     44             return FromObject(value, isError, GetDefaultJsonOptions());
     45         }
     46 
     47         /// <summary>
     48         /// Constructs a response from an object.
     49         /// </summary>
     50         /// <param name="value">The object to return in the response.</param>
     51         /// <param name="isError">Whether or not the response is an error.</param>
     52         /// <param name="jsonSerializerOptions">The JSON serializer options for serializing the object.</param>
     53         /// <returns>The response.</returns>
     54         public static CallToolResult FromObject(object value, bool isError, JsonSerializerOptions jsonSerializerOptions)
     55         {
     56             return new CallToolResult()
     57             {
     58                 IsError = isError,
     59                 Content = [new TextContentBlock() { Text = JsonSerializer.Serialize(value, GetDefaultJsonOptions()) }]
     60             };
     61         }
     62 
     63         /// <summary>
     64         /// Gets the default serialization options.
     65         /// </summary>
     66         /// <returns>The default serialization options.</returns>
     67         public static JsonSerializerOptions GetDefaultJsonOptions()
     68         {
     69             return new JsonSerializerOptions()
     70             {
     71                 DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
     72                 PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
     73                 Converters =
     74                 {
     75                     new JsonStringEnumConverter(),
     76                 },
     77             };
     78         }
     79     }
     80 }