/// <summary>
/// Runs proxy forwarding requests to the server specified by options.
/// </summary>
/// <param name="app"></param>
/// <param name="options">Proxy options</param>
public static void RunProxy(this IApplicationBuilder app, ProxyOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
app.UseMiddleware <ProxyMiddleware>(Options.Create(options));
}
public ProxyMiddleware(RequestDelegate next, IOptions <ProxyOptions> options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Value.Scheme == null)
{
throw new ArgumentException("Options parameter must specify scheme.", nameof(options));
}
if (!options.Value.Host.HasValue)
{
throw new ArgumentException("Options parameter must specify host.", nameof(options));
}
this.next = next ?? throw new ArgumentNullException(nameof(next));
this.options = options.Value;
}
/// <summary>
/// Runs proxy forwarding requests to the server specified by base uri.
/// </summary>
/// <param name="app"></param>
/// <param name="baseUri">Destination base uri</param>
/// <param name="pathFilter">Filter to only proxy request coming on a certain path <example>/api</example></param>
public static void RunProxy(this IApplicationBuilder app, Uri baseUri, PathString pathFilter)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (baseUri == null)
{
throw new ArgumentNullException(nameof(baseUri));
}
var options = new ProxyOptions
{
Scheme = baseUri.Scheme,
Host = new HostString(baseUri.Authority),
PathBase = baseUri.AbsolutePath,
AppendQuery = new QueryString(baseUri.Query),
PathFilter = pathFilter
};
app.UseMiddleware <ProxyMiddleware>(Options.Create(options));
}