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first passing proxy acceptnace test yeyyy!

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TomPallister
2016-09-07 21:47:39 +01:00
parent 71b7e7743e
commit 03ef47038a
12 changed files with 264 additions and 43 deletions
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52
src/Ocelot.Library/Middleware/ProxyMiddleware.cs
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@ -1,56 +1,62 @@
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Ocelot.Library.Infrastructure.UrlMatcher;
using Microsoft.Extensions.Options;
using Ocelot.Library.Infrastructure.Configuration;
using Ocelot.Library.Infrastructure.DownstreamRouteFinder;
using Ocelot.Library.Infrastructure.UrlTemplateReplacer;
namespace Ocelot.Library.Middleware
{
using System.Net;
using Infrastructure.Configuration;
using Microsoft.Extensions.Options;
public class ProxyMiddleware
{
private readonly RequestDelegate _next;
private readonly IUrlPathToUrlTemplateMatcher _urlMatcher;
private readonly IDownstreamUrlTemplateVariableReplacer _urlReplacer;
private readonly IOptions<Configuration> _configuration;
private readonly IDownstreamRouteFinder _downstreamRouteFinder;
public ProxyMiddleware(RequestDelegate next,
IUrlPathToUrlTemplateMatcher urlMatcher,
IDownstreamUrlTemplateVariableReplacer urlReplacer, IOptions<Configuration> configuration)
IDownstreamUrlTemplateVariableReplacer urlReplacer,
IOptions<Configuration> configuration,
IDownstreamRouteFinder downstreamRouteFinder)
{
_next = next;
_urlMatcher = urlMatcher;
_urlReplacer = urlReplacer;
_configuration = configuration;
_downstreamRouteFinder = downstreamRouteFinder;
}
public async Task Invoke(HttpContext context)
{
var upstreamUrlPath = context.Request.Path.ToString();
UrlMatch urlMatch = null;
var downstreamRoute = _downstreamRouteFinder.FindDownstreamRoute(upstreamUrlPath);
foreach (var template in _configuration.Value.ReRoutes)
{
urlMatch = _urlMatcher.Match(upstreamUrlPath, template.UpstreamTemplate);
if (urlMatch.Match)
{
break;
}
}
if (urlMatch == null || !urlMatch.Match)
if (downstreamRoute.IsError)
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
var downstreamUrl = _urlReplacer.ReplaceTemplateVariable(urlMatch);
var downstreamUrl = _urlReplacer.ReplaceTemplateVariable(downstreamRoute.Data);
//make a http request to this endpoint...maybe bring in a library
using (var httpClient = new HttpClient())
{
var httpMethod = new HttpMethod(context.Request.Method);
var httpRequestMessage = new HttpRequestMessage(httpMethod, downstreamUrl);
var response = await httpClient.SendAsync(httpRequestMessage);
if (!response.IsSuccessStatusCode)
{
context.Response.StatusCode = (int)response.StatusCode;
return;
}
await context.Response.WriteAsync(await response.Content.ReadAsStringAsync());
}
await _next.Invoke(context);
}