e3df0738da
Previously, a single key was used to access the API, this has not changed in terms of what the user sees. However, API keys now use an identifier and token internally. The identifier is the first 16 characters of the key, and the token is the remaining 32. The token is stored encrypted at rest in the database and the identifier is used by the API middleware to grab that record and make a timing attack safe comparison.
82 lines
2.6 KiB
PHP
82 lines
2.6 KiB
PHP
<?php
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namespace Pterodactyl\Http\Middleware\Api\Admin;
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use Closure;
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use Illuminate\Http\Request;
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use Pterodactyl\Models\APIKey;
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use Illuminate\Auth\AuthManager;
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use Illuminate\Contracts\Encryption\Encrypter;
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use Symfony\Component\HttpKernel\Exception\HttpException;
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use Pterodactyl\Exceptions\Repository\RecordNotFoundException;
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use Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface;
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
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class AuthenticateKey
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{
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/**
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* @var \Illuminate\Auth\AuthManager
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*/
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private $auth;
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/**
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* @var \Illuminate\Contracts\Encryption\Encrypter
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*/
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private $encrypter;
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/**
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* @var \Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface
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*/
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private $repository;
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/**
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* AuthenticateKey constructor.
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*
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* @param \Pterodactyl\Contracts\Repository\ApiKeyRepositoryInterface $repository
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* @param \Illuminate\Auth\AuthManager $auth
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* @param \Illuminate\Contracts\Encryption\Encrypter $encrypter
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*/
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public function __construct(ApiKeyRepositoryInterface $repository, AuthManager $auth, Encrypter $encrypter)
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{
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$this->auth = $auth;
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$this->encrypter = $encrypter;
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$this->repository = $repository;
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}
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/**
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* Handle an API request by verifying that the provided API key
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* is in a valid format and exists in the database.
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*
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* @param \Illuminate\Http\Request $request
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* @param \Closure $next
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* @return mixed
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*
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* @throws \Symfony\Component\HttpKernel\Exception\HttpException
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* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
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*/
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public function handle(Request $request, Closure $next)
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{
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if (is_null($request->bearerToken())) {
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throw new HttpException(401, null, null, ['WWW-Authenticate' => 'Bearer']);
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}
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$raw = $request->bearerToken();
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$identifier = substr($raw, 0, APIKey::IDENTIFIER_LENGTH);
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$token = substr($raw, APIKey::IDENTIFIER_LENGTH);
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try {
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$model = $this->repository->findFirstWhere([['identifier', '=', $identifier]]);
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} catch (RecordNotFoundException $exception) {
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throw new AccessDeniedHttpException;
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}
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if (! hash_equals($this->encrypter->decrypt($model->token), $token)) {
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throw new AccessDeniedHttpException;
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}
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$this->auth->guard()->loginUsingId($model->user_id);
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$request->attributes->set('api_key', $model);
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return $next($request);
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}
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}
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