Auth endpoint
The IndieAuth endpoint should be added, currently adding the unt tests
This commit is contained in:
parent
7ad5d56f1b
commit
5b2bfd5270
SSH key fingerprint:
SHA256:CTuSlns5U7qlD9jqHvtnVmfYV3Zwl2Z7WnJ4/dqOaL8
18 changed files with 1282 additions and 475 deletions
|
|
@ -19,7 +19,6 @@ use Illuminate\Support\Facades\Auth;
|
|||
use Illuminate\View\View;
|
||||
use ParagonIE\ConstantTime\Base64UrlSafe;
|
||||
use Throwable;
|
||||
use Webauthn\AttestationStatement\AttestationObjectLoader;
|
||||
use Webauthn\AttestationStatement\AttestationStatementSupportManager;
|
||||
use Webauthn\AttestationStatement\NoneAttestationStatementSupport;
|
||||
use Webauthn\AuthenticationExtensions\ExtensionOutputCheckerHandler;
|
||||
|
|
@ -28,9 +27,11 @@ use Webauthn\AuthenticatorAssertionResponseValidator;
|
|||
use Webauthn\AuthenticatorAttestationResponse;
|
||||
use Webauthn\AuthenticatorAttestationResponseValidator;
|
||||
use Webauthn\AuthenticatorSelectionCriteria;
|
||||
use Webauthn\CeremonyStep\CeremonyStepManagerFactory;
|
||||
use Webauthn\Denormalizer\WebauthnSerializerFactory;
|
||||
use Webauthn\Exception\WebauthnException;
|
||||
use Webauthn\PublicKeyCredential;
|
||||
use Webauthn\PublicKeyCredentialCreationOptions;
|
||||
use Webauthn\PublicKeyCredentialLoader;
|
||||
use Webauthn\PublicKeyCredentialParameters;
|
||||
use Webauthn\PublicKeyCredentialRequestOptions;
|
||||
use Webauthn\PublicKeyCredentialRpEntity;
|
||||
|
|
@ -109,39 +110,57 @@ class PasskeysController extends Controller
|
|||
$user = auth()->user();
|
||||
|
||||
$publicKeyCredentialCreationOptionsData = session('create_options');
|
||||
// Unset session data to mitigate replay attacks
|
||||
session()->forget('create_options');
|
||||
if (empty($publicKeyCredentialCreationOptionsData)) {
|
||||
throw new WebAuthnException('No public key credential request options found');
|
||||
}
|
||||
$publicKeyCredentialCreationOptions = PublicKeyCredentialCreationOptions::createFromString($publicKeyCredentialCreationOptionsData);
|
||||
|
||||
// Unset session data to mitigate replay attacks
|
||||
session()->forget('create_options');
|
||||
$attestationStatementSupportManager = new AttestationStatementSupportManager();
|
||||
$attestationStatementSupportManager->add(new NoneAttestationStatementSupport());
|
||||
|
||||
$attestationSupportManager = AttestationStatementSupportManager::create();
|
||||
$attestationSupportManager->add(NoneAttestationStatementSupport::create());
|
||||
$attestationObjectLoader = AttestationObjectLoader::create($attestationSupportManager);
|
||||
$publicKeyCredentialLoader = PublicKeyCredentialLoader::create($attestationObjectLoader);
|
||||
$webauthnSerializer = (new WebauthnSerializerFactory(
|
||||
$attestationStatementSupportManager
|
||||
))->create();
|
||||
|
||||
$publicKeyCredential = $publicKeyCredentialLoader->load(json_encode($request->all(), JSON_THROW_ON_ERROR));
|
||||
$publicKeyCredential = $webauthnSerializer->deserialize(
|
||||
json_encode($request->all(), JSON_THROW_ON_ERROR),
|
||||
PublicKeyCredential::class,
|
||||
'json'
|
||||
);
|
||||
|
||||
if (! $publicKeyCredential->response instanceof AuthenticatorAttestationResponse) {
|
||||
throw new WebAuthnException('Invalid response type');
|
||||
}
|
||||
|
||||
$attestationStatementSupportManager = AttestationStatementSupportManager::create();
|
||||
$attestationStatementSupportManager->add(NoneAttestationStatementSupport::create());
|
||||
$algorithmManager = new Manager();
|
||||
$algorithmManager->add(new Ed25519());
|
||||
$algorithmManager->add(new ES256());
|
||||
$algorithmManager->add(new RS256());
|
||||
|
||||
$authenticatorAttestationResponseValidator = AuthenticatorAttestationResponseValidator::create(
|
||||
attestationStatementSupportManager: $attestationStatementSupportManager,
|
||||
publicKeyCredentialSourceRepository: null,
|
||||
tokenBindingHandler: null,
|
||||
extensionOutputCheckerHandler: ExtensionOutputCheckerHandler::create(),
|
||||
$ceremonyStepManagerFactory = new CeremonyStepManagerFactory();
|
||||
$ceremonyStepManagerFactory->setAlgorithmManager($algorithmManager);
|
||||
$ceremonyStepManagerFactory->setAttestationStatementSupportManager(
|
||||
$attestationStatementSupportManager
|
||||
);
|
||||
$ceremonyStepManagerFactory->setExtensionOutputCheckerHandler(
|
||||
ExtensionOutputCheckerHandler::create()
|
||||
);
|
||||
|
||||
$securedRelyingPartyId = [];
|
||||
if (App::environment('local', 'development')) {
|
||||
$securedRelyingPartyId = [config('url.longurl')];
|
||||
}
|
||||
$ceremonyStepManagerFactory->setSecuredRelyingPartyId($securedRelyingPartyId);
|
||||
|
||||
$authenticatorAttestationResponseValidator = AuthenticatorAttestationResponseValidator::create(
|
||||
ceremonyStepManager: $ceremonyStepManagerFactory->creationCeremony()
|
||||
);
|
||||
|
||||
$publicKeyCredentialCreationOptions = $webauthnSerializer->deserialize(
|
||||
$publicKeyCredentialCreationOptionsData,
|
||||
PublicKeyCredentialCreationOptions::class,
|
||||
'json'
|
||||
);
|
||||
|
||||
$publicKeyCredentialSource = $authenticatorAttestationResponseValidator->check(
|
||||
authenticatorAttestationResponse: $publicKeyCredential->response,
|
||||
|
|
@ -187,14 +206,18 @@ class PasskeysController extends Controller
|
|||
], 400);
|
||||
}
|
||||
|
||||
$publicKeyCredentialRequestOptions = PublicKeyCredentialRequestOptions::createFromString($requestOptions);
|
||||
$attestationStatementSupportManager = new AttestationStatementSupportManager();
|
||||
$attestationStatementSupportManager->add(new NoneAttestationStatementSupport());
|
||||
|
||||
$attestationSupportManager = AttestationStatementSupportManager::create();
|
||||
$attestationSupportManager->add(NoneAttestationStatementSupport::create());
|
||||
$attestationObjectLoader = AttestationObjectLoader::create($attestationSupportManager);
|
||||
$publicKeyCredentialLoader = PublicKeyCredentialLoader::create($attestationObjectLoader);
|
||||
$webauthnSerializer = (new WebauthnSerializerFactory(
|
||||
$attestationStatementSupportManager
|
||||
))->create();
|
||||
|
||||
$publicKeyCredential = $publicKeyCredentialLoader->load(json_encode($request->all(), JSON_THROW_ON_ERROR));
|
||||
$publicKeyCredential = $webauthnSerializer->deserialize(
|
||||
json_encode($request->all(), JSON_THROW_ON_ERROR),
|
||||
PublicKeyCredential::class,
|
||||
'json'
|
||||
);
|
||||
|
||||
if (! $publicKeyCredential->response instanceof AuthenticatorAssertionResponse) {
|
||||
return response()->json([
|
||||
|
|
@ -211,28 +234,47 @@ class PasskeysController extends Controller
|
|||
], 404);
|
||||
}
|
||||
|
||||
$credential = PublicKeyCredentialSource::createFromArray(json_decode($passkey->passkey, true, 512, JSON_THROW_ON_ERROR));
|
||||
$publicKeyCredentialSource = $webauthnSerializer->deserialize(
|
||||
$passkey->passkey,
|
||||
PublicKeyCredentialSource::class,
|
||||
'json'
|
||||
);
|
||||
|
||||
$algorithmManager = Manager::create();
|
||||
$algorithmManager = new Manager();
|
||||
$algorithmManager->add(new Ed25519());
|
||||
$algorithmManager->add(new ES256());
|
||||
$algorithmManager->add(new RS256());
|
||||
|
||||
$authenticatorAssertionResponseValidator = new AuthenticatorAssertionResponseValidator(
|
||||
publicKeyCredentialSourceRepository: null,
|
||||
tokenBindingHandler: null,
|
||||
extensionOutputCheckerHandler: ExtensionOutputCheckerHandler::create(),
|
||||
algorithmManager: $algorithmManager,
|
||||
);
|
||||
$attestationStatementSupportManager = new AttestationStatementSupportManager();
|
||||
$attestationStatementSupportManager->add(new NoneAttestationStatementSupport());
|
||||
|
||||
$ceremonyStepManagerFactory = new CeremonyStepManagerFactory();
|
||||
$ceremonyStepManagerFactory->setAlgorithmManager($algorithmManager);
|
||||
$ceremonyStepManagerFactory->setAttestationStatementSupportManager(
|
||||
$attestationStatementSupportManager
|
||||
);
|
||||
$ceremonyStepManagerFactory->setExtensionOutputCheckerHandler(
|
||||
ExtensionOutputCheckerHandler::create()
|
||||
);
|
||||
$securedRelyingPartyId = [];
|
||||
if (App::environment('local', 'development')) {
|
||||
$securedRelyingPartyId = [config('url.longurl')];
|
||||
}
|
||||
$ceremonyStepManagerFactory->setSecuredRelyingPartyId($securedRelyingPartyId);
|
||||
|
||||
$authenticatorAssertionResponseValidator = AuthenticatorAssertionResponseValidator::create(
|
||||
ceremonyStepManager: $ceremonyStepManagerFactory->requestCeremony()
|
||||
);
|
||||
|
||||
$publicKeyCredentialRequestOptions = $webauthnSerializer->deserialize(
|
||||
$requestOptions,
|
||||
PublicKeyCredentialRequestOptions::class,
|
||||
'json'
|
||||
);
|
||||
|
||||
try {
|
||||
$authenticatorAssertionResponseValidator->check(
|
||||
credentialId: $credential,
|
||||
credentialId: $publicKeyCredentialSource,
|
||||
authenticatorAssertionResponse: $publicKeyCredential->response,
|
||||
publicKeyCredentialRequestOptions: $publicKeyCredentialRequestOptions,
|
||||
request: config('url.longurl'),
|
||||
|
|
|
|||
202
app/Http/Controllers/IndieAuthController.php
Normal file
202
app/Http/Controllers/IndieAuthController.php
Normal file
|
|
@ -0,0 +1,202 @@
|
|||
<?php
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace App\Http\Controllers;
|
||||
|
||||
use Exception;
|
||||
use GuzzleHttp\Client;
|
||||
use GuzzleHttp\Psr7\Uri;
|
||||
use Illuminate\Http\JsonResponse;
|
||||
use Illuminate\Http\Request;
|
||||
use Illuminate\Support\Facades\Cache;
|
||||
use Illuminate\Support\Facades\Validator;
|
||||
use Illuminate\View\View;
|
||||
use Random\RandomException;
|
||||
use SodiumException;
|
||||
|
||||
class IndieAuthController extends Controller
|
||||
{
|
||||
/**
|
||||
* Process a GET request to the IndieAuth endpoint.
|
||||
*
|
||||
* This is the first step in the IndieAuth flow, where the client app sends the user to the IndieAuth endpoint.
|
||||
*/
|
||||
public function start(Request $request): View
|
||||
{
|
||||
// First check all required params are present
|
||||
$validator = Validator::make($request->all(), [
|
||||
'response_type' => 'required:string',
|
||||
'client_id' => 'required',
|
||||
'redirect_uri' => 'required',
|
||||
'state' => 'required',
|
||||
'code_challenge' => 'required:string',
|
||||
'code_challenge_method' => 'required:string',
|
||||
], [
|
||||
'response_type' => 'response_type is required',
|
||||
'client_id.required' => 'client_id is required to display which app is asking for authentication',
|
||||
'redirect_uri.required' => 'redirect_uri is required so we can progress successful requests',
|
||||
'state.required' => 'state is required',
|
||||
'code_challenge.required' => 'code_challenge is required',
|
||||
'code_challenge_method.required' => 'code_challenge_method is required',
|
||||
]);
|
||||
|
||||
if ($validator->fails()) {
|
||||
return view('indieauth.error')->withErrors($validator);
|
||||
}
|
||||
|
||||
if ($request->get('response_type') !== 'code') {
|
||||
return view('indieauth.error')->withErrors(['response_type' => 'only a response_type of "code" is supported']);
|
||||
}
|
||||
|
||||
if (mb_strtoupper($request->get('code_challenge_method')) !== 'S256') {
|
||||
return view('indieauth.error')->withErrors(['code_challenge_method' => 'only a code_challenge_method of "S256" is supported']);
|
||||
}
|
||||
|
||||
if (! $this->isValidRedirectUri($request->get('client_id'), $request->get('redirect_uri'))) {
|
||||
return view('indieauth.error')->withErrors(['redirect_uri' => 'redirect_uri is not valid for this client_id']);
|
||||
}
|
||||
|
||||
$scopes = $request->get('scopes', '');
|
||||
$scopes = explode(' ', $scopes);
|
||||
|
||||
return view('indieauth.start', [
|
||||
'me' => $request->get('me'),
|
||||
'client_id' => $request->get('client_id'),
|
||||
'redirect_uri' => $request->get('redirect_uri'),
|
||||
'state' => $request->get('state'),
|
||||
'scopes' => $scopes,
|
||||
'code_challenge' => $request->get('code_challenge'),
|
||||
'code_challenge_method' => $request->get('code_challenge_method'),
|
||||
]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Confirm an IndieAuth approval request.
|
||||
*
|
||||
* Generates an auth code and redirects the user back to the client app.
|
||||
*
|
||||
* @throws RandomException
|
||||
*/
|
||||
public function confirm(Request $request): JsonResponse
|
||||
{
|
||||
$authCode = bin2hex(random_bytes(16));
|
||||
|
||||
$cacheKey = hash('xxh3', $request->get('client_id'));
|
||||
|
||||
$indieAuthRequestData = [
|
||||
'code_challenge' => $request->get('code_challenge'),
|
||||
'code_challenge_method' => $request->get('code_challenge_method'),
|
||||
'client_id' => $request->get('client_id'),
|
||||
'auth_code' => $authCode,
|
||||
];
|
||||
|
||||
Cache::put($cacheKey, $indieAuthRequestData, now()->addMinutes(10));
|
||||
|
||||
$redirectUri = new Uri($request->get('redirect_uri'));
|
||||
$redirectUri = Uri::withQueryValues($redirectUri, [
|
||||
'code' => $authCode,
|
||||
'me' => $request->get('me'),
|
||||
'state' => $request->get('state'),
|
||||
]);
|
||||
|
||||
// For now just dump URL scheme
|
||||
return response()->json([
|
||||
'redirect_uri' => $redirectUri,
|
||||
]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Process a POST request to the IndieAuth endpoint.
|
||||
*
|
||||
* This is the second step in the IndieAuth flow, where the client app sends the auth code to the IndieAuth endpoint.
|
||||
* @throws SodiumException
|
||||
*/
|
||||
public function processCodeExchange(Request $request): JsonResponse
|
||||
{
|
||||
// First check all the data is present
|
||||
$validator = Validator::make($request->all(), [
|
||||
'grant_type' => 'required:string',
|
||||
'code' => 'required:string',
|
||||
'client_id' => 'required',
|
||||
'redirect_uri' => 'required',
|
||||
'code_verifier' => 'required',
|
||||
]);
|
||||
|
||||
if ($validator->fails()) {
|
||||
return response()->json($validator->errors(), 400);
|
||||
}
|
||||
|
||||
if ($request->get('grant_type') !== 'authorization_code') {
|
||||
return response()->json(['error' => 'only a grant_type of "authorization_code" is supported'], 400);
|
||||
}
|
||||
|
||||
// Check cache for auth code
|
||||
$cacheKey = hash('xxh3', $request->get('client_id'));
|
||||
$indieAuthRequestData = Cache::pull($cacheKey);
|
||||
|
||||
if ($indieAuthRequestData === null) {
|
||||
return response()->json(['error' => 'code is invalid'], 404);
|
||||
}
|
||||
|
||||
if ($indieAuthRequestData['auth_code'] !== $request->get('code')) {
|
||||
return response()->json(['error' => 'code is invalid'], 400);
|
||||
}
|
||||
|
||||
// Check code verifier
|
||||
if (! hash_equals(
|
||||
$indieAuthRequestData['code_challenge'],
|
||||
sodium_bin2base64(
|
||||
hash('sha256', $request->get('code_verifier'), true),
|
||||
SODIUM_BASE64_VARIANT_URLSAFE_NO_PADDING
|
||||
)
|
||||
)) {
|
||||
return response()->json(['error' => 'code_verifier is invalid'], 400);
|
||||
}
|
||||
|
||||
return response()->json([
|
||||
'me' => config('app.url'),
|
||||
]);
|
||||
}
|
||||
|
||||
protected function isValidRedirectUri(string $clientId, string $redirectUri): bool
|
||||
{
|
||||
// If client_id is not a valid URL, then it's not valid
|
||||
$clientIdParsed = \Mf2\parseUriToComponents($clientId);
|
||||
if (! isset($clientIdParsed['authority'])) {
|
||||
ray($clientIdParsed);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
// If redirect_uri is not a valid URL, then it's not valid
|
||||
$redirectUriParsed = \Mf2\parseUriToComponents($redirectUri);
|
||||
if (! isset($redirectUriParsed['authority'])) {
|
||||
ray($redirectUriParsed);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
// If client_id and redirect_uri are the same host, then it's valid
|
||||
if ($clientIdParsed['authority'] === $redirectUriParsed['authority']) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Otherwise we need to check the redirect_uri is in the client_id's redirect_uris
|
||||
$guzzle = resolve(Client::class);
|
||||
|
||||
try {
|
||||
$clientInfo = $guzzle->get($clientId);
|
||||
} catch (Exception $e) {
|
||||
ray('Failed to fetch client info', $e->getMessage());
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
$clientInfoParsed = \Mf2\parse($clientInfo->getBody()->getContents(), $clientId);
|
||||
|
||||
$redirectUris = $clientInfoParsed['rels']['redirect_uri'] ?? [];
|
||||
|
||||
return in_array($redirectUri, $redirectUris);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue