public static IApplicationBuilder UseInDirectLineCore(this IApplicationBuilder app)
{
var sp = app.ApplicationServices;
var env = sp.GetRequiredService <IWebHostEnvironment>();
var directLineSettings = sp.GetRequiredService <IOptions <InDirectLineSettings> >()?.Value;
if (directLineSettings == null)
{
throw new Exception("InDirectLineOptions cannot be null!");
}
var webSocketOptions = new WebSocketOptions()
{
KeepAliveInterval = TimeSpan.FromSeconds(120),
ReceiveBufferSize = 4 * 1024
};
var botEndPoint = directLineSettings.BotEndpoint;
var botOrigin = UtilsEx.GetOrigin(botEndPoint);
webSocketOptions.AllowedOrigins.Add(botOrigin);
webSocketOptions.AllowedOrigins.Add("*");
app.UseWebSockets(webSocketOptions);
app.UseMiddleware <WebSocketConnectionMiddleware>();
return(app);
}
public static IServiceCollection AddInDirectLine(this IServiceCollection services, InDirectLineSettings directlineOpts)
{
services.Configure <InDirectLineSettings>(opt => {
foreach (var pi in opt.GetType().GetProperties())
{
var propValue = pi.GetValue(directlineOpts);
pi.SetValue(opt, propValue);
}
});
services.AddHttpClient();
services.AddHttpContextAccessor();
services.AddSingleton <IConversationHistoryStore, InMemoryConversationHistoryStore>();
services.AddSingleton <IDirectLineConnection, WebSocketDirectLineConnection>();
services.AddSingleton <IDirectLineConnectionManager, DirectLineConnectionManager>();
services.AddSingleton <TokenBuilder>();
services.AddScoped <ChannelServiceHandler, InDirectLineConversationHandler>();
services.AddAuthorization(opt => {
opt.AddPolicy("MatchConversation", pb => pb.Requirements.Add(new MatchConversationAuthzRequirement()));
});
services.AddHttpClient <InDirectLineClient>();
var botEndPointUri = UtilsEx.GetOrigin(directlineOpts.BotEndpoint);
services.AddSingleton <IAuthorizationHandler, MatchConversationAuthzHandler>();
services.AddCors(options =>
{
options.AddPolicy(
InDirectLineDefaults.CorsPolicyNames,
builder => {
builder.WithOrigins(botEndPointUri);
builder.AllowAnyOrigin();
builder.AllowAnyHeader();
builder.AllowAnyMethod();
}
);
});
services.AddScoped <WebSocketConnectionMiddleware>();
return(services.AddScoped <DirectLineHelper>());
}
