protected async override Task RunAsync(HttpApiContext context)
{
string prefix = context.RoutePrefix;
string url = context.Request.RawUrl.Substring(prefix.Length);
if (url.StartsWith("/"))
{
url = url.Substring(1);
}
string[] tokens = url.Split('/');
string methodName = tokens[0];
var method = this.GetType().GetMethod(methodName);
List<object> plist = new List<object>();
foreach (var p in method.GetParameters())
{
plist.Add(Load(context,p));
}
var to = method.Invoke(this, plist.ToArray());
var tobj = to as Task;
if (tobj != null)
{
await tobj;
var p = tobj.GetType().GetProperty("Result");
context.Result = p.GetValue(tobj);
}
else {
context.Result = to;
}
}
public async Task<HttpApiResponse> ExecuteAsync(HttpApiRequest request)
{
try
{
var url = request.RawUrl;
var context = new HttpApiContext {
Request = request
};
var r = RegisteredRoutes.FirstOrDefault(x => url.StartsWith(x.RoutePrefix, StringComparison.OrdinalIgnoreCase));
if (r == null)
{
using (var c = new HttpProxyController())
{
await c.ExecuteAsync(context);
return context.Response;
}
}
using (BaseHttpApiController c = Activator.CreateInstance(r.Controller) as BaseHttpApiController)
{
context.RoutePrefix = r.RoutePrefix;
await c.ExecuteAsync(context);
return context.Response;
}
}
catch (Exception ex)
{
return HttpApiResponse.FromException(ex);
}
}
protected override async Task RunAsync(HttpApiContext context)
{
using (WebRequestHandler handler = new WebRequestHandler())
{
handler.UseCookies = false;
handler.AllowAutoRedirect = false;
handler.ServerCertificateValidationCallback = delegate { return true; };
//handler.ClientCertificateOptions = ClientCertificateOption.Automatic;
handler.AutomaticDecompression = System.Net.DecompressionMethods.Deflate | System.Net.DecompressionMethods.GZip;
using (HttpClient client = new HttpClient(handler))
{
HttpRequestMessage request = Create(context.Request);
var response = await client.SendAsync(request);
var data = await response.Content.ReadAsByteArrayAsync();
context.Response = SetResponse(response, data);
var ct = response.Content.Headers.ContentType;
if (ct != null)
{
context.Response.ContentType = ct.ToString();
}
//context.Response.ContentType = response.Content.Headers.ContentType.ToString();
}
}
}
protected void PostProcess(HttpApiContext context)
{
if (context.Response == null)
{
context.Response = context.Result as HttpApiResponse;
if (context.Response == null)
{
context.Response = HttpApiResponse.ToJson(context.Result);
}
}
}
private object Load(HttpApiContext context, ParameterInfo p)
{
string key = p.Name;
var source = ModelSource.FormOrQuery;
var ms = p.GetCustomAttribute<ModelSourceAttribute>();
if (ms != null)
{
source = ms.ModelSource;
if (!string.IsNullOrWhiteSpace(ms.Name))
{
key = ms.Name;
}
}
var pt = p.ParameterType;
object value = LoadValue(context, source, key, pt) ?? p.DefaultValue;
if (value == null)
{
if (pt.IsValueType)
return Activator.CreateInstance(pt);
if (pt == typeof(string))
return value;
if (pt.GetGenericTypeDefinition() == typeof(Nullable<>))
return value;
}
/// load model from form..
if (source == ModelSource.FormOrQuery)
{
}
else
{
var model = context.Request.Form["formModel"];
return JsonConvert.DeserializeObject(model, pt);
}
return value;
}
private object LoadValue(HttpApiContext context, ModelSource source, string key, Type type)
{
object v = null;
switch (source)
{
case ModelSource.Header:
return context.Request.Headers[key];
case ModelSource.FormOrQuery:
v = context.Request.Form[key];
if (v == null)
{
v = context.Request.QueryString[key];
}
return v;
case ModelSource.FormJson:
return JsonConvert.DeserializeObject(context.Request.TextContent, type);
case ModelSource.QueryString:
return context.Request.QueryString[key];
case ModelSource.QueryStringJson:
v = context.Request.QueryString[key];
if (v != null)
{
v = JsonConvert.DeserializeObject((string)v, type);
}
return v;
case ModelSource.FormModelJson:
break;
default:
break;
}
return null;
}
protected virtual void Init(HttpApiContext context)
{
}
protected abstract Task RunAsync(HttpApiContext context);
public async Task ExecuteAsync(HttpApiContext context)
{
Init(context);
await RunAsync(context);
PostProcess(context);
}
