public ApiProxyMiddleware(RequestDelegate next, IOptions <ApiProxyOptions> options)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
this.next = next;
this.options = options.Value;
if (this.options.ProxiedEndpoints?.Count() <= 0)
{
throw new ArgumentException("Options do not contain any proxied endpoints", nameof(options));
}
foreach (var ep in this.options.ProxiedEndpoints)
{
if (!ep.Endpoint.StartsWith("/"))
{
throw new Exception("Endpoint path must start with a slash '/'");
}
}
this.client = new HttpClient();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddConsole(Configuration.GetSection("Logging"));
loggerFactory.AddDebug();
var options = new ApiProxyOptions();
options.ProxiedEndpoints = new[] { new ApiEndpointOption() { Endpoint = "/api2", Host = "localhost", TargetEndpoint = "/api" } };
app.RunApiProxy(options);
app.UseMvc();
}
public static IApplicationBuilder RunApiProxy(this IApplicationBuilder app, ApiProxyOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
return(app.UseMiddleware <ApiProxyMiddleware>(Options.Create(options)));
}
public ApiProxyMiddleware(RequestDelegate next, IOptions<ApiProxyOptions> options)
{
if (next == null) throw new ArgumentNullException(nameof(next));
if (options == null) throw new ArgumentNullException(nameof(options));
this.next = next;
this.options = options.Value;
if (this.options.ProxiedEndpoints?.Count() <= 0) throw new ArgumentException("Options do not contain any proxied endpoints", nameof(options));
foreach (var ep in this.options.ProxiedEndpoints)
{
if (!ep.Endpoint.StartsWith("/")) throw new Exception("Endpoint path must start with a slash '/'");
}
this.client = new HttpClient();
}
public static IApplicationBuilder RunApiProxy(this IApplicationBuilder app, ApiProxyOptions options)
{
if (app == null) throw new ArgumentNullException(nameof(app));
if (options == null) throw new ArgumentNullException(nameof(options));
return app.UseMiddleware<ApiProxyMiddleware>(Options.Create(options));
}
