public static async Task ReturnContext(HttpContext context, bool returnMsg, DnsMessage dnsMsg,
bool cache = true, bool transIdEnable = false, ushort id = 0)
{
try
{
var queryDictionary = context.Request.Query;
if (dnsMsg == null)
{
await context.WriteResponseAsync("Remote DNS server timeout",
StatusCodes.Status500InternalServerError);
return;
}
if (returnMsg)
{
if (GetClientType(queryDictionary, "json"))
{
await context.WriteResponseAsync(DnsJsonEncoder.Encode(dnsMsg).ToString(Formatting.None),
type : "application/json", headers : Startup.HeaderDict);
}
else
{
await context.WriteResponseAsync(
DnsEncoder.Encode(dnsMsg, transIdEnable, id),
type : "application/dns-message");
}
}
else
{
if (GetClientType(queryDictionary, "message"))
{
await context.WriteResponseAsync(
DnsEncoder.Encode(dnsMsg, transIdEnable, id),
type : "application/dns-message");
}
else
{
await context.WriteResponseAsync(DnsJsonEncoder.Encode(dnsMsg).ToString(Formatting.None),
type : "application/json", headers : Startup.HeaderDict);
}
}
if (cache)
{
WriteLogCache(dnsMsg, context);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public static async void ReturnContext(HttpContext context, bool returnMsg, DnsMessage dnsMsg)
{
var queryDictionary = context.Request.Query;
if (dnsMsg == null)
{
context.Response.StatusCode = StatusCodes.Status500InternalServerError;
await context.Response.WriteAsync("Remote DNS server timeout");
return;
}
if (returnMsg)
{
if (queryDictionary.ContainsKey("ct") && queryDictionary["ct"].ToString().Contains("json"))
{
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(DohJsonEncoder.Encode(dnsMsg).ToString(Formatting.None));
}
else
{
context.Response.ContentType = "application/dns-message";
await context.Response.Body.WriteAsync(DnsEncoder.Encode(dnsMsg));
}
}
else
{
if (queryDictionary.ContainsKey("ct") && queryDictionary["ct"].ToString().Contains("message"))
{
context.Response.ContentType = "application/dns-message";
await context.Response.Body.WriteAsync(DnsEncoder.Encode(dnsMsg));
}
else
{
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(DohJsonEncoder.Encode(dnsMsg).ToString(Formatting.None));
}
}
WriteLogCache(dnsMsg, context);
}