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// SPDX-FileCopyrightText: 2026 Progmasoft <support@progmasoft.com>
// SPDX-License-Identifier: AGPL-3.0-or-later WITH AdditionRef-Progmasoft-Patent-Grant-1.1
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;
using Microsoft.Extensions.Configuration;
namespace Progmasoft.Progmaweb.Api.Tests;
/// <summary>Starts the account API in memory for a test.</summary>
/// <param name="configureGoogle">
/// Whether the Google client is configured. Without it the service has to run and refuse only Google sign-in.
/// </param>
/// <param name="accountDatabase">
/// Connection string of the PostgreSQL database that keeps the accounts; <see langword="null"/> keeps them in memory.
/// </param>
/// <param name="environment">Name of the hosting environment.</param>
/// <param name="accountStore">Value of <c>Accounts:Store</c>; <see langword="null"/> leaves it unset.</param>
/// <param name="oauthKeys">
/// Whether to give Progmasoft OAuth key files. Production refuses to start without them; other environments make
/// their own keys.
/// </param>
internal sealed class AccountApiFactory(
bool configureGoogle = true,
string? accountDatabase = null,
string environment = "Testing",
string? accountStore = null,
bool oauthKeys = true) : WebApplicationFactory<Program>
{
private readonly string keyDirectory = Path.Combine(Path.GetTempPath(), "progmaweb-oauth-keys-" + Guid.NewGuid().ToString("N"));
protected override void ConfigureWebHost(IWebHostBuilder builder)
{
builder.UseEnvironment(environment);
// The program chooses the store while it registers services, so these are host settings as well. An empty
// value overrides a database the environment of the test run names.
builder.UseSetting("ConnectionStrings:Accounts", accountDatabase ?? string.Empty);
builder.UseSetting("Accounts:Store", accountStore ?? string.Empty);
// The program decides while it registers services whether the Google scheme exists, so these two values
// have to be host settings: configuration sources added below are applied only when the host is built,
// after that decision. An empty value also overrides credentials the environment of the test run carries.
builder.UseSetting(
"Authentication:Google:ClientId",
configureGoogle ? "test-client.apps.googleusercontent.com" : string.Empty);
builder.UseSetting("Authentication:Google:ClientSecret", configureGoogle ? "test-secret" : string.Empty);
// Progmasoft OAuth reads its host while services are registered, like the Google client above. Its own host
// keeps the host filter honest: the account API answers on localhost, OAuth on oauth.localhost.
builder.UseSetting("OAuth:Host", OAuthHost);
builder.UseSetting("AllowedHosts",
$"localhost;127.0.0.1;progmasoft.com;account.progmasoft.com;www.progmasoft.com;{OAuthHost}");
if (oauthKeys && environment == "Production")
{
Directory.CreateDirectory(keyDirectory);
using System.Security.Cryptography.RSA signing = System.Security.Cryptography.RSA.Create(2048);
string signingPath = Path.Combine(keyDirectory, "signing.pem");
string encryptionPath = Path.Combine(keyDirectory, "encryption.key");
File.WriteAllText(signingPath, signing.ExportPkcs8PrivateKeyPem());
File.WriteAllText(encryptionPath,
Convert.ToBase64String(System.Security.Cryptography.RandomNumberGenerator.GetBytes(32)));
builder.UseSetting("OAuth:SigningKeyPath", signingPath);
builder.UseSetting("OAuth:EncryptionKeyPath", encryptionPath);
}
else
{
builder.UseSetting("OAuth:SigningKeyPath", string.Empty);
builder.UseSetting("OAuth:EncryptionKeyPath", string.Empty);
}
builder.ConfigureAppConfiguration((_, configuration) =>
{
configuration.AddInMemoryCollection(new Dictionary<string, string?>
{
["AccountSessions:LifetimeHours"] = "2",
["AccountSessions:CookieName"] = "__Host-ProgmasoftSession"
});
});
}
/// <summary>The host Progmasoft OAuth answers on in the tests.</summary>
public const string OAuthHost = "oauth.localhost";
/// <summary>A client of the OAuth host that keeps its cookies and does not follow redirections.</summary>
public HttpClient CreateOAuthClient() => CreateClient(
new WebApplicationFactoryClientOptions
{
AllowAutoRedirect = false,
BaseAddress = new Uri($"https://{OAuthHost}"),
HandleCookies = true
});
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (Directory.Exists(keyDirectory))
{
Directory.Delete(keyDirectory, recursive: true);
}
}
public HttpClient CreateAccountClient(bool handleCookies = true) => CreateClient(
new WebApplicationFactoryClientOptions
{
AllowAutoRedirect = false,
BaseAddress = new Uri("https://localhost"),
HandleCookies = handleCookies
});
}
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