fix swagger, add simapihttpclient

2025-11-02 22:14:34 +08:00
parent c7373da691
commit 65451d7b80
10 changed files with 243 additions and 14 deletions
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.OpenApi.Models;
+using SimApi.Attributes;
+using SimApi.ModelBinders;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace SimApi.SwaggerFilters;
+
+public class SimApiSignOperationFilter(IServiceProvider serviceProvider) : IOperationFilter
+{
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        // 1. 检查当前方法或类是否标注了 SimApiSignAttribute 及其子类
+        var signAttribute = context.MethodInfo.GetCustomAttribute<SimApiSignAttribute>(inherit: true)
+                            ?? context.MethodInfo.DeclaringType?.GetCustomAttribute<SimApiSignAttribute>(inherit: true);
+
+        if (signAttribute == null)
+        {
+            return;
+        }
+
+        var keyProviderType = signAttribute.KeyProvider;
+        if (!typeof(SimApiSignProviderBase).IsAssignableFrom(keyProviderType))
+        {
+            throw new InvalidOperationException($"KeyProvider 必须继承自 {nameof(SimApiSignProviderBase)}");
+        }
+
+        SimApiSignProviderBase? keyProvider;
+        try
+        {
+            keyProvider =
+                serviceProvider.CreateScope().ServiceProvider.GetService(keyProviderType) as SimApiSignProviderBase;
+        }
+        catch (Exception ex)
+        {
+            throw new InvalidOperationException($"无法从 DI 容器获取 {keyProviderType.Name} 实例：{ex.Message}");
+        }
+
+        if (keyProvider == null)
+        {
+            throw new InvalidOperationException($"{keyProviderType.Name} 未在 DI 容器中注册");
+        }
+
+        var signStr = keyProvider.SignFields.Aggregate(string.Empty, (current, field) => current + $"{field}=xxx&");
+        if (!string.IsNullOrEmpty(keyProvider.AppIdName))
+        {
+            signStr += $"{keyProvider.AppIdName}=xxx&";
+        }
+
+        signStr += $"{keyProvider.TimestampName}=xxx&{keyProvider.NonceName}=xxx&签名密钥";
+
+        var signParameters = new List<(string Name, string Description, bool Required)>
+        {
+            (keyProvider.TimestampName, "时间戳（秒级）", true),
+            (keyProvider.NonceName, "随机字符串", true),
+            (keyProvider.SignName, $"MD5签名结果,签名MD5字符串: {signStr}", true)
+        };
+        if (keyProvider.AppIdName != null)
+        {
+            signParameters.Add((keyProvider.AppIdName, "应用标识", true));
+        }
+
+        signParameters.AddRange(keyProvider.SignFields.Where(x => x != keyProvider.AppIdName)
+            .Select(f => (f, string.Empty, true)));
+
+        foreach (var (name, description, required) in signParameters)
+        {
+            if (operation.Parameters?.Any(p => p.Name == name) == true)
+            {
+                var tmp = operation.Parameters?.FirstOrDefault(p => p.Name == name);
+                if (tmp != null)
+                {
+                    tmp.Required = required;
+                    tmp.Description = description;
+                }
+                continue;
+            }
+
+            operation.Parameters ??= new List<OpenApiParameter>();
+            operation.Parameters.Add(new OpenApiParameter
+            {
+                Name = name,
+                In = ParameterLocation.Query, // 指定为 Query 参数
+                Description = description,
+                Required = required,
+                Schema = new OpenApiSchema
+                {
+                    Type = "string" // 签名相关参数通常为字符串类型
+                }
+            });
+        }
+    }
+}