1 files changed, 88 insertions, 0 deletions
diff --git a/apps/oauth2/lib/Controller/OauthApiController.php b/apps/oauth2/lib/Controller/OauthApiController.php
new file mode 100644
index 00000000000..b97d85ae3e6
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+++ b/apps/oauth2/lib/Controller/OauthApiController.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\OAuth2\Controller;
+
+use OC\Authentication\Token\DefaultTokenMapper;
+use OCA\OAuth2\Db\AccessTokenMapper;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\IRequest;
+use OCP\Security\ICrypto;
+use OCP\Security\ISecureRandom;
+
+class OauthApiController extends Controller {
+	/** @var AccessTokenMapper */
+	private $accessTokenMapper;
+	/** @var ICrypto */
+	private $crypto;
+	/** @var DefaultTokenMapper */
+	private $defaultTokenMapper;
+	/** @var ISecureRandom */
+	private $secureRandom;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param ICrypto $crypto
+	 * @param AccessTokenMapper $accessTokenMapper
+	 * @param DefaultTokenMapper $defaultTokenMapper
+	 * @param ISecureRandom $secureRandom
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								ICrypto $crypto,
+								AccessTokenMapper $accessTokenMapper,
+								DefaultTokenMapper $defaultTokenMapper,
+								ISecureRandom $secureRandom) {
+		parent::__construct($appName, $request);
+		$this->crypto = $crypto;
+		$this->accessTokenMapper = $accessTokenMapper;
+		$this->defaultTokenMapper = $defaultTokenMapper;
+		$this->secureRandom = $secureRandom;
+	}
+
+	/**
+	 * @PublicPage
+	 * @NoCSRFRequired
+	 *
+	 * @param string $code
+	 * @return JSONResponse
+	 */
+	public function getToken($code) {
+		$accessToken = $this->accessTokenMapper->getByCode($code);
+		$decryptedToken = $this->crypto->decrypt($accessToken->getEncryptedToken(), $code);
+		$newCode = $this->secureRandom->generate(128);
+		$accessToken->setHashedCode(hash('sha512', $newCode));
+		$accessToken->setEncryptedToken($this->crypto->encrypt($decryptedToken, $newCode));
+		$this->accessTokenMapper->update($accessToken);
+
+		return new JSONResponse(
+			[
+				'access_token' => $decryptedToken,
+				'token_type' => 'Bearer',
+				'expires_in' => 3600,
+				'refresh_token' => $newCode,
+				'user_id' => $this->defaultTokenMapper->getTokenById($accessToken->getTokenId())->getUID(),
+			]
+		);
+	}
+}