public static string GetHtml(DittoOptions dittoOptions)
{
StringBuilder stringBuilder = new StringBuilder();
foreach (var transform in dittoOptions.Transforms)
{
stringBuilder.Append($@"<li><a href=""{dittoOptions.Path+ "?key=" + transform.TransformName}"">{transform.TransformName}</a></li>");
}
var html = $@"<!DOCTYPE html>
<html>
<head>
<meta charset=""UTF-8"">
<title>Ditto Transform</title>
<style>
</style>
</head>
<body>
<div >
<h2>Please select a user to continue authentication.</h2>
<ul>
{stringBuilder}
</ul>
</div>
</body>
</html>";
return(html);
}
public async Task InvokeAsync(HttpContext context)
{
DittoOptions dittoOptions = context.RequestServices.GetRequiredService <DittoOptions>();
if (!context.Request.PathBase.ToString().ToLower().Equals(dittoOptions.Path.ToString().ToLower()))
{
await _next(context);
return;
}
string transformName = context.Request.Query["key"].ToString().ToLower();
Transform transform = dittoOptions?.Transforms?.FirstOrDefault(t => t.TransformName.Equals(transformName));
if (transform == null)
{
await context.Response.WriteAsync(Resources.GetHtml(dittoOptions));
}
else
{
IIdentity identity = new ClaimsIdentity(transform.Claims, dittoOptions.AuthenticationType);
ClaimsPrincipal claimsPrincipal = new ClaimsPrincipal(identity);
AuthenticationProperties authenticationProperties = new AuthenticationProperties();
await context.SignInAsync(dittoOptions.AuthenticationType, claimsPrincipal, authenticationProperties);
await context.Response.WriteAsync($"You are logged in with profile: {JsonConvert.SerializeObject(transform)}");
}
}
public static void UseDitto(this IApplicationBuilder app)
{
app.UseAuthentication();
DittoOptions dittoOptions = app.ApplicationServices.GetRequiredService <DittoOptions>();
app.Map(dittoOptions.Path, configuration => configuration.UseMiddleware <DittoMiddleware>());
}
public static IServiceCollection AddDitto(this IServiceCollection serviceCollection, DittoOptions dittoOptions)
{
serviceCollection.AddSingleton(dittoOptions);
return(serviceCollection);
}
