private async Task HandleExceptionAsync(HttpContext context, int statusCode, string msg, Stream st)
{
rsa = new RSAHelper(RSAType.RSA2, Encoding.UTF8, setting.PrivateKey, setting.PublicKey, setting.AppKey, setting.SplitStr);
var result = new RsaDto()
{
Data = rsa.AppEncrypt(new ResponseDto()
{
status = -1, msg = msg
})
};
var ms = new MemoryStream(Encoding.ASCII.GetBytes(JsonSerializer.Serialize(result, options: new JsonSerializerOptions()
{
//IgnoreNullValues = true,
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
})));
await ms.CopyToAsync(st);
//context.Response.ContentType = "application/json;charset=utf-8";
//await context.Response.WriteAsync(JsonConvert.SerializeObject(result));
}
//加解密
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
var originalBodyStream = context.Response.Body;
try
{
if (context.Request.Path.Value != "/api/Upload/Upload")
{
context.Request.EnableBuffering(); //内存中创建缓冲区存放Request.Body的内容，否则不能使用context.Request.Body.Position;
//读取请求
var requestReader = new StreamReader(context.Request.Body);
var requestContextRsa = await requestReader.ReadToEndAsync();
context.Request.Body.Position = 0;//重新开始，否则body为空
var conttype = context.Request.ContentType;
if (!string.IsNullOrWhiteSpace(requestContextRsa))
{
var rsaDto = JsonSerializer.Deserialize <RsaDto>(requestContextRsa, new JsonSerializerOptions()
{
PropertyNameCaseInsensitive = true
});
var requestContext = rsa.Decrypt(rsaDto.Data);
context.Request.Body = new MemoryStream(Encoding.UTF8.GetBytes(requestContext));
// await stream.CopyToAsync(context.Request.Body);
}
}
using var ms = new MemoryStream();
context.Response.Body = ms;
await next(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
var responseStr = await new StreamReader(ms).ReadToEndAsync();
context.Response.Body.Seek(0, SeekOrigin.Begin);
var path = context.Request.Path.Value;
if (!string.IsNullOrWhiteSpace(responseStr) && context.Response.StatusCode == 200)
{
if (!path.EndsWith(".json"))
{
var result = new RsaDto()
{
Data = rsa.AppEncrypt(responseStr)
};
//var array= Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(result,Formatting.Indented, new JsonSerializerSettings{ContractResolver = new CamelCasePropertyNamesContractResolver()}));
var array = Encoding.UTF8.GetBytes(JsonSerializer.Serialize(result, options: new JsonSerializerOptions()
{
//IgnoreNullValues = true,
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
}));;
var newMs = new MemoryStream(array);
await newMs.CopyToAsync(originalBodyStream);
}
else
{
var array = Encoding.UTF8.GetBytes(responseStr);
var newMs = new MemoryStream(array);
await newMs.CopyToAsync(originalBodyStream);
}
}
}
catch (WeixiaoException ex)
{
throw ex;
}
catch (Exception ex)
{
throw ex;
}
}