From 67c2d56be81a48ba63ce92d5fa0ff339be9ca5a5 Mon Sep 17 00:00:00 2001
From: Tom Needham <needham.thomas@gmail.com>
Date: Thu, 30 Aug 2012 14:02:31 +0000
Subject: [PATCH] Add ownCloud OAuth store backend. WIP

---
 lib/oauth/store.php | 74 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 69 insertions(+), 5 deletions(-)

diff --git a/lib/oauth/store.php b/lib/oauth/store.php
index 2f58e46b5b0..f1df7d49b93 100644
--- a/lib/oauth/store.php
+++ b/lib/oauth/store.php
@@ -2,10 +2,10 @@
 /**
 * ownCloud
 *
-* @author Tom Needham
 * @author Michael Gapczynski
-* @copyright 2012 Tom Needham tom@owncloud.com
+* @author Tom Needham
 * @copyright 2012 Michael Gapczynski mtgap@owncloud.com
+* @copyright 2012 Tom Needham tom@owncloud.com 
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
@@ -22,8 +22,72 @@
 * 
 */
 
-class OC_OAuth_Store extends OAuthDataStore {
+class OC_OAuth_Store {
+
+	function lookup_consumer($consumer_key) {
+		$query = OC_DB::prepare("SELECT `key`, `secret`, `callback` FROM `*PREFIX*oauth_consumers` WHERE `key` = ?");
+		$results = $query->execute(array($consumer_key));
+		if($results->numRows()==0){
+			return NULL;
+		} else {
+			$details = $results->fetchRow();
+			$callback = !empty($details['callback']) ? $details['callback'] : NULL;
+			return new OAuthConsumer($details['key'], $details['secret'], $callback);
+		}
+	}
+
+	function lookup_token($consumer, $token_type, $token) {
+		$query = OC_DB::prepare("SELECT `key`, `secret`, `type` FROM `*PREFIX*oauth_tokens` WHERE `consumer_key` = ? AND `key` = ? AND `type` = ?");
+		$results = $query->execute(array($consumer->key, $token->key, $token_type));
+		if($results->numRows()==0){
+			return NULL;
+		} else {
+			$token = $results->fetchRow();
+			return new OAuthToken($token['key'], $token['secret']);
+		}
+	}
+
+	function lookup_nonce($consumer, $token, $nonce, $timestamp) {
+		$query = OC_DB::prepare("INSERT INTO `*PREFIX*oauth_nonce` (`consumer_key`, `token`, `timestamp`, `nonce`) VALUES (?, ?, ?, ?)");
+		$affectedrows = $query->exec(array($consumer->key, $token->key, $timestamp, $nonce));
+		// Delete all timestamps older than the one passed
+		$query = OC_DB::prepare("DELETE FROM `*PREFIX*oauth_nonce` WHERE `consumer_key` = ? AND `token` = ? AND `timestamp` < ?");
+		$query->execute(array($consumer->key, $token->key, $timestamp - self::MAX_TIMESTAMP_DIFFERENCE));
+		return $result;
+	}
+
+	function new_token($consumer, $token_type, $scope = null) {
+		$key = md5(time());
+		$secret = time() + time();
+		$token = new OAuthToken($key, md5(md5($secret)));
+		$query = OC_DB::prepare("INSERT INTO `*PREFIX*oauth_tokens` (`consumer_key`, `key`, `secret`, `type`, `scope`, `timestamp`) VALUES (?, ?, ?, ?, ?, ?)");
+		$result = $query->execute(array($consumer->key, $key, $secret, $token_type, $scope, time()));
+		return $token;
+	}
+
+	function new_request_token($consumer, $scope, $callback = null) {
+		return $this->new_token($consumer, 'request', $scope);
+	}
+
+	function authorise_request_token($token, $consumer, $uid) {
+		$query = OC_DB::prepare("UPDATE `*PREFIX*oauth_tokens` SET uid = ? WHERE `consumer_key` = ? AND `key` = ? AND `type` = ?");
+		$query->execute(array($uid, $consumer->key, $token->key, 'request'));
+		// TODO Return oauth_verifier
+	}
+
+	function new_access_token($token, $consumer, $verifier = null) {
+		$query = OC_DB::prepare("SELECT `timestamp`, `scope` FROM `*PREFIX*oauth_tokens` WHERE `consumer_key` = ? AND `key` = ? AND `type` = ?");
+		$result = $query->execute(array($consumer->key, $token->key, 'request'))->fetchRow();
+		if (isset($result['timestamp'])) {
+			if ($timestamp + self::MAX_REQUEST_TOKEN_TTL < time()) {
+				return false;
+			}
+			$accessToken = $this->new_token($consumer, 'access', $result['scope']);
+		}
+		// Delete request token
+		$query = OC_DB::prepare("DELETE FROM `*PREFIX*oauth_tokens` WHERE `key` = ? AND `type` = ?");
+		$query->execute(array($token->key, 'request'));
+		return $accessToken;
+	}
 
-	// To follow.
-	
 }
\ No newline at end of file
-- 
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