mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-12-12 21:43:48 +08:00
314 lines
10 KiB
PHP
314 lines
10 KiB
PHP
<?php
|
|
|
|
namespace BookStack\Access\Oidc;
|
|
|
|
use BookStack\Access\GroupSyncService;
|
|
use BookStack\Access\LoginService;
|
|
use BookStack\Access\RegistrationService;
|
|
use BookStack\Exceptions\JsonDebugException;
|
|
use BookStack\Exceptions\StoppedAuthenticationException;
|
|
use BookStack\Exceptions\UserRegistrationException;
|
|
use BookStack\Facades\Theme;
|
|
use BookStack\Http\HttpRequestService;
|
|
use BookStack\Theming\ThemeEvents;
|
|
use BookStack\Users\Models\User;
|
|
use Illuminate\Support\Facades\Cache;
|
|
use League\OAuth2\Client\OptionProvider\HttpBasicAuthOptionProvider;
|
|
use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
|
|
|
|
/**
|
|
* Class OpenIdConnectService
|
|
* Handles any app-specific OIDC tasks.
|
|
*/
|
|
class OidcService
|
|
{
|
|
public function __construct(
|
|
protected RegistrationService $registrationService,
|
|
protected LoginService $loginService,
|
|
protected HttpRequestService $http,
|
|
protected GroupSyncService $groupService
|
|
) {
|
|
}
|
|
|
|
/**
|
|
* Initiate an authorization flow.
|
|
* Provides back an authorize redirect URL, in addition to other
|
|
* details which may be required for the auth flow.
|
|
*
|
|
* @throws OidcException
|
|
*
|
|
* @return array{url: string, state: string}
|
|
*/
|
|
public function login(): array
|
|
{
|
|
$settings = $this->getProviderSettings();
|
|
$provider = $this->getProvider($settings);
|
|
|
|
$url = $provider->getAuthorizationUrl();
|
|
session()->put('oidc_pkce_code', $provider->getPkceCode() ?? '');
|
|
|
|
return [
|
|
'url' => $url,
|
|
'state' => $provider->getState(),
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Process the Authorization response from the authorization server and
|
|
* return the matching, or new if registration active, user matched to the
|
|
* authorization server. Throws if the user cannot be auth if not authenticated.
|
|
*
|
|
* @throws JsonDebugException
|
|
* @throws OidcException
|
|
* @throws StoppedAuthenticationException
|
|
* @throws IdentityProviderException
|
|
*/
|
|
public function processAuthorizeResponse(?string $authorizationCode): User
|
|
{
|
|
$settings = $this->getProviderSettings();
|
|
$provider = $this->getProvider($settings);
|
|
|
|
// Set PKCE code flashed at login
|
|
$pkceCode = session()->pull('oidc_pkce_code', '');
|
|
$provider->setPkceCode($pkceCode);
|
|
|
|
// Try to exchange authorization code for access token
|
|
$accessToken = $provider->getAccessToken('authorization_code', [
|
|
'code' => $authorizationCode,
|
|
]);
|
|
|
|
return $this->processAccessTokenCallback($accessToken, $settings);
|
|
}
|
|
|
|
/**
|
|
* @throws OidcException
|
|
*/
|
|
protected function getProviderSettings(): OidcProviderSettings
|
|
{
|
|
$config = $this->config();
|
|
$settings = new OidcProviderSettings([
|
|
'issuer' => $config['issuer'],
|
|
'clientId' => $config['client_id'],
|
|
'clientSecret' => $config['client_secret'],
|
|
'authorizationEndpoint' => $config['authorization_endpoint'],
|
|
'tokenEndpoint' => $config['token_endpoint'],
|
|
'endSessionEndpoint' => is_string($config['end_session_endpoint']) ? $config['end_session_endpoint'] : null,
|
|
'userinfoEndpoint' => $config['userinfo_endpoint'],
|
|
]);
|
|
|
|
// Use keys if configured
|
|
if (!empty($config['jwt_public_key'])) {
|
|
$settings->keys = [$config['jwt_public_key']];
|
|
}
|
|
|
|
// Run discovery
|
|
if ($config['discover'] ?? false) {
|
|
try {
|
|
$settings->discoverFromIssuer($this->http->buildClient(5), Cache::store(null), 15);
|
|
} catch (OidcIssuerDiscoveryException $exception) {
|
|
throw new OidcException('OIDC Discovery Error: ' . $exception->getMessage());
|
|
}
|
|
}
|
|
|
|
// Prevent use of RP-initiated logout if specifically disabled
|
|
// Or force use of a URL if specifically set.
|
|
if ($config['end_session_endpoint'] === false) {
|
|
$settings->endSessionEndpoint = null;
|
|
} else if (is_string($config['end_session_endpoint'])) {
|
|
$settings->endSessionEndpoint = $config['end_session_endpoint'];
|
|
}
|
|
|
|
$settings->validate();
|
|
|
|
return $settings;
|
|
}
|
|
|
|
/**
|
|
* Load the underlying OpenID Connect Provider.
|
|
*/
|
|
protected function getProvider(OidcProviderSettings $settings): OidcOAuthProvider
|
|
{
|
|
$provider = new OidcOAuthProvider([
|
|
...$settings->arrayForOAuthProvider(),
|
|
'redirectUri' => url('/oidc/callback'),
|
|
], [
|
|
'httpClient' => $this->http->buildClient(5),
|
|
'optionProvider' => new HttpBasicAuthOptionProvider(),
|
|
]);
|
|
|
|
foreach ($this->getAdditionalScopes() as $scope) {
|
|
$provider->addScope($scope);
|
|
}
|
|
|
|
return $provider;
|
|
}
|
|
|
|
/**
|
|
* Get any user-defined addition/custom scopes to apply to the authentication request.
|
|
*
|
|
* @return string[]
|
|
*/
|
|
protected function getAdditionalScopes(): array
|
|
{
|
|
$scopeConfig = $this->config()['additional_scopes'] ?: '';
|
|
|
|
$scopeArr = explode(',', $scopeConfig);
|
|
$scopeArr = array_map(fn (string $scope) => trim($scope), $scopeArr);
|
|
|
|
return array_filter($scopeArr);
|
|
}
|
|
|
|
/**
|
|
* Processes a received access token for a user. Login the user when
|
|
* they exist, optionally registering them automatically.
|
|
*
|
|
* @throws OidcException
|
|
* @throws JsonDebugException
|
|
* @throws StoppedAuthenticationException
|
|
*/
|
|
protected function processAccessTokenCallback(OidcAccessToken $accessToken, OidcProviderSettings $settings): User
|
|
{
|
|
$idTokenText = $accessToken->getIdToken();
|
|
$idToken = new OidcIdToken(
|
|
$idTokenText,
|
|
$settings->issuer,
|
|
$settings->keys,
|
|
);
|
|
|
|
session()->put("oidc_id_token", $idTokenText);
|
|
|
|
$returnClaims = Theme::dispatch(ThemeEvents::OIDC_ID_TOKEN_PRE_VALIDATE, $idToken->getAllClaims(), [
|
|
'access_token' => $accessToken->getToken(),
|
|
'expires_in' => $accessToken->getExpires(),
|
|
'refresh_token' => $accessToken->getRefreshToken(),
|
|
]);
|
|
|
|
if (!is_null($returnClaims)) {
|
|
$idToken->replaceClaims($returnClaims);
|
|
}
|
|
|
|
if ($this->config()['dump_user_details']) {
|
|
throw new JsonDebugException($idToken->getAllClaims());
|
|
}
|
|
|
|
try {
|
|
$idToken->validate($settings->clientId);
|
|
} catch (OidcInvalidTokenException $exception) {
|
|
throw new OidcException("ID token validation failed with error: {$exception->getMessage()}");
|
|
}
|
|
|
|
$userDetails = $this->getUserDetailsFromToken($idToken, $accessToken, $settings);
|
|
if (empty($userDetails->email)) {
|
|
throw new OidcException(trans('errors.oidc_no_email_address'));
|
|
}
|
|
if (empty($userDetails->name)) {
|
|
$userDetails->name = $userDetails->externalId;
|
|
}
|
|
|
|
$isLoggedIn = auth()->check();
|
|
if ($isLoggedIn) {
|
|
throw new OidcException(trans('errors.oidc_already_logged_in'));
|
|
}
|
|
|
|
try {
|
|
$user = $this->registrationService->findOrRegister(
|
|
$userDetails->name,
|
|
$userDetails->email,
|
|
$userDetails->externalId
|
|
);
|
|
} catch (UserRegistrationException $exception) {
|
|
throw new OidcException($exception->getMessage());
|
|
}
|
|
|
|
if ($this->shouldSyncGroups()) {
|
|
$detachExisting = $this->config()['remove_from_groups'];
|
|
$this->groupService->syncUserWithFoundGroups($user, $userDetails->groups ?? [], $detachExisting);
|
|
}
|
|
|
|
$this->loginService->login($user, 'oidc');
|
|
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* @throws OidcException
|
|
*/
|
|
protected function getUserDetailsFromToken(OidcIdToken $idToken, OidcAccessToken $accessToken, OidcProviderSettings $settings): OidcUserDetails
|
|
{
|
|
$userDetails = new OidcUserDetails();
|
|
$userDetails->populate(
|
|
$idToken,
|
|
$this->config()['external_id_claim'],
|
|
$this->config()['display_name_claims'] ?? '',
|
|
$this->config()['groups_claim'] ?? ''
|
|
);
|
|
|
|
if (!$userDetails->isFullyPopulated($this->shouldSyncGroups()) && !empty($settings->userinfoEndpoint)) {
|
|
$provider = $this->getProvider($settings);
|
|
$request = $provider->getAuthenticatedRequest('GET', $settings->userinfoEndpoint, $accessToken->getToken());
|
|
$response = new OidcUserinfoResponse(
|
|
$provider->getResponse($request),
|
|
$settings->issuer,
|
|
$settings->keys,
|
|
);
|
|
|
|
try {
|
|
$response->validate($idToken->getClaim('sub'), $settings->clientId);
|
|
} catch (OidcInvalidTokenException $exception) {
|
|
throw new OidcException("Userinfo endpoint response validation failed with error: {$exception->getMessage()}");
|
|
}
|
|
|
|
$userDetails->populate(
|
|
$response,
|
|
$this->config()['external_id_claim'],
|
|
$this->config()['display_name_claims'] ?? '',
|
|
$this->config()['groups_claim'] ?? ''
|
|
);
|
|
}
|
|
|
|
return $userDetails;
|
|
}
|
|
|
|
/**
|
|
* Get the OIDC config from the application.
|
|
*/
|
|
protected function config(): array
|
|
{
|
|
return config('oidc');
|
|
}
|
|
|
|
/**
|
|
* Check if groups should be synced.
|
|
*/
|
|
protected function shouldSyncGroups(): bool
|
|
{
|
|
return $this->config()['user_to_groups'] !== false;
|
|
}
|
|
|
|
/**
|
|
* Start the RP-initiated logout flow if active, otherwise start a standard logout flow.
|
|
* Returns a post-app-logout redirect URL.
|
|
* Reference: https://openid.net/specs/openid-connect-rpinitiated-1_0.html
|
|
* @throws OidcException
|
|
*/
|
|
public function logout(): string
|
|
{
|
|
$oidcToken = session()->pull("oidc_id_token");
|
|
$defaultLogoutUrl = url($this->loginService->logout());
|
|
$oidcSettings = $this->getProviderSettings();
|
|
|
|
if (!$oidcSettings->endSessionEndpoint) {
|
|
return $defaultLogoutUrl;
|
|
}
|
|
|
|
$endpointParams = [
|
|
'id_token_hint' => $oidcToken,
|
|
'post_logout_redirect_uri' => $defaultLogoutUrl,
|
|
];
|
|
|
|
$joiner = str_contains($oidcSettings->endSessionEndpoint, '?') ? '&' : '?';
|
|
|
|
return $oidcSettings->endSessionEndpoint . $joiner . http_build_query($endpointParams);
|
|
}
|
|
}
|