Files
Automatic-Parking/Source/ProofOfConcept/Program.cs
Szakáts Alpár Zsolt f724e59f7f
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Configures telemetry using external file
Reads telemetry configuration parameters such as hostname, port, and CA certificate from an external JSON file.
This decouples configuration from code, allowing for easier updates and management of telemetry settings.
2025-08-17 12:27:32 +02:00

300 lines
15 KiB
C#

using System.Text.Json;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authentication.OpenIdConnect;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Microsoft.IdentityModel.Protocols;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;
using ProofOfConcept.Models;
using ProofOfConcept.Services;
using ProofOfConcept.Utilities;
Microsoft.IdentityModel.Logging.IdentityModelEventSource.ShowPII = true;
var builder = WebApplication.CreateSlimBuilder(args);
// Load static web assets manifest (referenced libs + your wwwroot)
builder.WebHost.UseStaticWebAssets();
// builder.Services.ConfigureHttpJsonOptions(options => { options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default); });
// Add services
builder.Services.AddOpenApi();
builder.Services.AddMediator();
builder.Services.AddMemoryCache();
builder.Services.AddHybridCache();
builder.Services.AddRazorPages();
builder.Services.AddHealthChecks()
.AddAsyncCheck("", cancellationToken => Task.FromResult(HealthCheckResult.Healthy()), ["ready"]); //TODO: Check tag
builder.Services.AddHttpContextAccessor();
builder.Services.AddHttpClient().AddHttpClient("InsecureClient")
.ConfigurePrimaryHttpMessageHandler(() => new HttpClientHandler
{
ServerCertificateCustomValidationCallback =
HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
});
builder.Services
.AddAuthentication(o =>
{
o.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
o.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme;
})
.AddCookie()
.AddOpenIdConnect(o =>
{
// Point directly at the third-party metadata
// Metadata is wrong... it sets non-existing uris like: "jwks_uri": "https://fleet-auth.tesla.com/oauth2/v3/discovery/thirdparty/keys"
// o.MetadataAddress = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/thirdparty/.well-known/openid-configuration";
//
// // === Use Fleet-Auth third-party OIDC config ===
// o.Authority = "https://fleet-auth.tesla.com/oauth2/v3/nts";
//
// o.Configuration ??= new OpenIdConnectConfiguration();
// o.Configuration.AuthorizationEndpoint = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/authorize";
// o.Configuration.TokenEndpoint = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/token";
// o.Configuration.JwksUri = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/discovery/thirdparty/keys";
// o.Configuration.EndSessionEndpoint = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/logout";
// o.Configuration.UserInfoEndpoint = "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/userinfo";
//
// o.Configuration.TokenEndpointAuthMethodsSupported.Clear();
// o.Configuration.TokenEndpointAuthMethodsSupported.Add("client_secret_post");
//
// o.Configuration.ResponseModesSupported.Clear();
// o.Configuration.ResponseModesSupported.Add("query");
//
// o.Configuration.GrantTypesSupported.Clear();
// o.Configuration.GrantTypesSupported.Add("authorization_code");
//
// o.Configuration.SubjectTypesSupported.Clear();
// o.Configuration.SubjectTypesSupported.Add("public");
//
// o.Configuration.ScopesSupported.Clear();
// o.Configuration.ScopesSupported.Add("openid");
// o.Configuration.ScopesSupported.Add("email");
// o.Configuration.ScopesSupported.Add("profile");
// o.Configuration.ScopesSupported.Add("metadata");
//
// o.Configuration.IdTokenSigningAlgValuesSupported.Clear();
// o.Configuration.IdTokenSigningAlgValuesSupported.Add("RS256");
//
// o.Configuration.TokenEndpointAuthSigningAlgValuesSupported.Clear();
// o.Configuration.TokenEndpointAuthSigningAlgValuesSupported.Add("RS256");
//
// o.Configuration.ClaimsSupported.Clear();
// o.Configuration.ClaimsSupported.Add("iss");
// o.Configuration.ClaimsSupported.Add("iat");
// o.Configuration.ClaimsSupported.Add("exp");
// o.Configuration.ClaimsSupported.Add("nonce");
// o.Configuration.ClaimsSupported.Add("sub");
// o.Configuration.ClaimsSupported.Add("aud");
o.ConfigurationManager = new TeslaOIDCConfigurationManager("https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/thirdparty/.well-known/openid-configuration");
// Standard OIDC web app settings
o.ResponseType = "code";
o.UsePkce = true;
o.SaveTokens = true;
o.ClientId = "b2240ee4-332a-4252-91aa-bbcc24f78fdb";
o.ClientSecret = "ta-secret.YG+XSdlvr6Lv8U-x";
// Must exactly match what you registered in Tesla portal
o.CallbackPath = new PathString("/token-exchange");
// Set scopes
o.Scope.Clear();
o.Scope.Add("openid");
o.Scope.Add("offline_access");
o.Scope.Add("vehicle_device_data");
o.Scope.Add("vehicle_location");
// Optional Tesla flags
o.AdditionalAuthorizationParameters.Add("require_requested_scopes", "true");
o.AdditionalAuthorizationParameters.Add("show_keypair_step", "true");
o.AdditionalAuthorizationParameters.Add("prompt_missing_scopes", "true");
o.TokenValidationParameters.ValidateIssuer = true;
o.TokenValidationParameters.ValidIssuer = "https://fleet-auth.tesla.com/oauth2/v3/nts";
// ✅ Add the Fleet API audience to the token POST
const string FleetApiAudience = "https://fleet-api.prd.eu.vn.cloud.tesla.com"; // set your region base
o.Events = new OpenIdConnectEvents
{
OnAuthorizationCodeReceived = ctx =>
{
ctx.TokenEndpointRequest.Parameters["audience"] = FleetApiAudience;
return Task.CompletedTask;
}
};
// Auto-refresh keys if Tesla rotates JWKS
o.RefreshOnIssuerKeyNotFound = true;
});
// Add own services
builder.Services.AddSingleton<IMessageProcessor, MessageProcessor>();
builder.Services.AddTransient<ITeslaAuthenticatorService, TeslaAuthenticatorService>();
// Add hosted services
builder.Services.AddHostedService<MQTTServer>();
builder.Services.AddHostedService<MQTTClient>();
//Build app
WebApplication app = builder.Build();
ForwardedHeadersOptions forwardedHeadersOptions = new ForwardedHeadersOptions() { ForwardedHeaders = ForwardedHeaders.All };
forwardedHeadersOptions.KnownNetworks.Clear();
forwardedHeadersOptions.KnownProxies.Clear();
app.UseForwardedHeaders(forwardedHeadersOptions);
if (app.Environment.IsDevelopment())
{
app.MapOpenApi();
app.MapGet("/GetPartnerAuthenticationToken", ([FromServices] TeslaAuthenticatorService service) => service.GetPartnerAuthenticationTokenAsync());
app.MapGet("/PartnerToken", ([FromQueryAttribute] string json, [FromServices] IMemoryCache memoryCache) =>
{
var serializerOptions = new JsonSerializerOptions
{
PropertyNameCaseInsensitive = true,
PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
};
Token? token = JsonSerializer.Deserialize<Token>(json, serializerOptions);
if (token is not null)
memoryCache.Set(Keys.TeslaPartnerToken, token, token.Expires.Subtract(TimeSpan.FromSeconds(5)));
return JsonSerializer.Serialize(token, new JsonSerializerOptions() { WriteIndented = true });
});
app.MapGet("/CheckRegisteredApplication", ([FromServices] TeslaAuthenticatorService service) => service.CheckApplicationRegistrationAsync());
app.MapGet("/RegisterApplication", ([FromServices] TeslaAuthenticatorService service) => service.RegisterApplicationAsync());
app.MapGet("/Authorize", async (IHttpContextAccessor contextAccessor) => await (contextAccessor.HttpContext!).ChallengeAsync(OpenIdConnectDefaults.AuthenticationScheme, new AuthenticationProperties { RedirectUri = "/Tesla" }));
app.MapGet("/KeyPairing", () => Results.Redirect("https://tesla.com/_ak/developer-domain.com"));
app.MapGet("/Tokens", async (IHttpContextAccessor httpContextAccessor) =>
{
var ctx = httpContextAccessor.HttpContext;
var accessToken = await ctx.GetTokenAsync("access_token");
var idToken = await ctx.GetTokenAsync("id_token");
var refreshToken = await ctx.GetTokenAsync("refresh_token");
var expiresAtRaw = await ctx.GetTokenAsync("expires_at"); // ISO 8601 string
return JsonSerializer.Serialize(new
{
AccessToken = accessToken,
IDToken = idToken,
RefreshToken = refreshToken,
ExpiresAtRaw = expiresAtRaw
});
});
app.MapGet("DebugProxy", (IHttpContextAccessor httpContextAccessor) =>
{
var ctx = httpContextAccessor.HttpContext!;
var request = ctx.Request;
Dictionary<string, string> headers = new Dictionary<string, string>();
headers.Add("Host", request.Host.Value ?? "");
headers.Add("Scheme", request.Scheme);
headers.Add("Method", request.Method);
headers.Add("Path", request.Path.Value ?? "");
headers.Add("QueryString", request.QueryString.Value ?? "");
headers.Add("RemoteIpAddress", ctx.Connection.RemoteIpAddress?.ToString() ?? "");
headers.Add("RemotePort", ctx.Connection.RemotePort.ToString());
headers.Add("LocalIpAddress", ctx.Connection.LocalIpAddress?.ToString() ?? "");
headers.Add("LocalPort", ctx.Connection.LocalPort.ToString());
headers.Add("IsHttps", request.IsHttps.ToString());
headers.Add("X-Forwarded-For", request.Headers["X-Forwarded-For"].ToString());
headers.Add("X-Forwarded-Proto", request.Headers["X-Forwarded-Proto"].ToString());
headers.Add("X-Forwarded-Host", request.Headers["X-Forwarded-Host"].ToString());
headers.Add("X-Forwarded-Port", request.Headers["X-Forwarded-Port"].ToString());
headers.Add("X-Forwarded-Prefix", request.Headers["X-Forwarded-Prefix"].ToString());
headers.Add("X-Forwarded-Server", request.Headers["X-Forwarded-Server"].ToString());
headers.Add("X-Forwarded-Path", request.Headers["X-Forwarded-Path"].ToString());
headers.Add("X-Forwarded-PathBase", request.Headers["X-Forwarded-PathBase"].ToString());
headers.Add("X-Forwarded-Query", request.Headers["X-Forwarded-Query"].ToString());
headers.Add("X-Forwarded-Query-String", request.Headers["X-Forwarded-Query-String"].ToString());
headers.Add("Connection", request.Headers["Connection"].ToString());
headers.Add("Accept", request.Headers["Accept"].ToString());
headers.Add("Accept-Encoding", request.Headers["Accept-Encoding"].ToString());
headers.Add("Accept-Language", request.Headers["Accept-Language"].ToString());
headers.Add("Cache-Control", request.Headers["Cache-Control"].ToString());
headers.Add("Content-Length", request.Headers["Content-Length"].ToString());
headers.Add("Content-Type", request.Headers["Content-Type"].ToString());
headers.Add("Cookie", request.Headers["Cookie"].ToString());
headers.Add("Pragma", request.Headers["Pragma"].ToString());
headers.Add("Referer", request.Headers["Referer"].ToString());
String json = JsonSerializer.Serialize(headers, new JsonSerializerOptions() { WriteIndented = true });
return json;
});
app.MapGet("/Tesla", async ([FromServices] ILogger<Configurator> logger, [FromServices] IHttpContextAccessor httpContextAccessor, [FromServices] IHttpClientFactory httpClientFactory) =>
{
HttpContext? context = httpContextAccessor.HttpContext;
if (context is null)
return Results.BadRequest();
string? access_token = await context.GetTokenAsync("access_token");
string? refresh_token = await context.GetTokenAsync("refresh_token");
logger.LogCritical("User has access_token: {access_token} and refresh_token: {refresh_token}", access_token, refresh_token);
if (String.IsNullOrEmpty(access_token))
return Results.LocalRedirect("/Authorize");
HttpClient client = httpClientFactory.CreateClient("InsecureClient");
client.BaseAddress = new Uri("https://tesla_command_proxy");
client.DefaultRequestHeaders.Add("Authorization", $"Bearer {access_token}");
//Get cars
VehiclesEnvelope? vehiclesEnvelope = await client.GetFromJsonAsync<VehiclesEnvelope>("/api/1/vehicles");
string[] vins = vehiclesEnvelope?.Response.Select(x => x.Vin ?? "").Where(v => !String.IsNullOrWhiteSpace(v)).ToArray() ?? Array.Empty<string>();
logger.LogCritical("User has access to {count} cars: {vins}", vins.Length, String.Join(", ", vins));
if (vins.Length == 0)
return Results.Ok("No cars found");
//Get CA from validate server file
string fileContent = await File.ReadAllTextAsync("Resources/validate_server.json");
ValidationModel? vm = JsonSerializer.Deserialize<ValidationModel>(fileContent);
TelemetryConfigRequest configRequest = new TelemetryConfigRequest()
{
Vins = new List<string>(vins),
Config = new TelemetryConfig()
{
Hostname = "tesla-connector.automatic-parking.app",
Port = 443,
CertificateAuthority = vm?.CA ?? "EMPTY",
Fields = new Dictionary<string, TelemetryFieldConfig>()
{
{ "Gear", new TelemetryFieldConfig() { IntervalSeconds = 60 } },
{ "Locked", new TelemetryFieldConfig() { IntervalSeconds = 60 } },
{ "DriverSeatOccupied", new TelemetryFieldConfig() { IntervalSeconds = 60 } },
{ "GpsState", new TelemetryFieldConfig() { IntervalSeconds = 60 } },
{ "Location", new TelemetryFieldConfig() { IntervalSeconds = 60 } },
}
}
};
logger.LogInformation("Config request: {configRequest}", JsonSerializer.Serialize(configRequest, new JsonSerializerOptions() { WriteIndented = true }));
client.BaseAddress = new Uri("https://fleet-api.prd.eu.vn.cloud.tesla.com");
client.DefaultRequestHeaders.Add("Authorization", $"Bearer {access_token}");
client.DefaultRequestHeaders.Add("X-Tesla-User-Agent", "Tesla-Connector/1.0.0");
HttpResponseMessage response = await client.PostAsJsonAsync("/api/1/vehicles/fleet_telemetry_config", configRequest);
return Results.Ok(response.Content.ReadAsStringAsync());
});
}
//Map static assets
app.MapStaticAssets();
//TODO: Build a middleware that responds with 503 if the public key is not registered at Tesla
app.MapRazorPages();
app.Run();