diff --git a/appinfo/database.xml b/appinfo/database.xml
index 5778099a..21f239a2 100644
--- a/appinfo/database.xml
+++ b/appinfo/database.xml
@@ -428,6 +428,12 @@
 				<notnull>true</notnull>
 			</field>
 
+			<field>
+				<name>public</name>
+				<type>boolean</type>
+				<notnull>true</notnull>
+			</field>
+
 			<field>
 				<name>creation</name>
 				<type>timestamp</type>
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 1ac0da72..55a16624 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -5,7 +5,7 @@
 	<name>Social</name>
 	<summary>🎉 Nextcloud becomes part of the federated social networks!</summary>
 	<description><![CDATA[test]]></description>
-	<version>0.0.41</version>
+	<version>0.0.42</version>
 	<licence>agpl</licence>
 	<author mail="maxence@artificial-owl.com">Maxence Lange</author>
 	<author mail="jus@bitgrid.net">Julius Härtl</author>
diff --git a/lib/Model/ActivityPub/Document.php b/lib/Model/ActivityPub/Document.php
index fa14dda3..317917f1 100644
--- a/lib/Model/ActivityPub/Document.php
+++ b/lib/Model/ActivityPub/Document.php
@@ -58,6 +58,9 @@ class Document extends ACore implements JsonSerializable {
 	/** @var string */
 	private $caching = '';
 
+	/** @var bool */
+	private $public = false;
+
 
 	/**
 	 * Document constructor.
@@ -128,6 +131,25 @@ class Document extends ACore implements JsonSerializable {
 	}
 
 
+	/**
+	 * @return bool
+	 */
+	public function isPublic(): bool {
+		return $this->public;
+	}
+
+	/**
+	 * @param bool $public
+	 *
+	 * @return Document
+	 */
+	public function setPublic(bool $public): Document {
+		$this->public = $public;
+
+		return $this;
+	}
+
+
 	/**
 	 * @return string
 	 */
@@ -169,6 +191,8 @@ class Document extends ACore implements JsonSerializable {
 	public function importFromDatabase(array $data) {
 		parent::importFromDatabase($data);
 
+		$this->setPublic(($this->getInt('public', $data, 0) === 1) ? true : false);
+		$this->setLocalCopy($this->get('local_copy', $data, ''));
 		$this->setMediaType($this->get('media_type', $data, ''));
 		$this->setMimeType($this->get('mime_type', $data, ''));
 		$this->setCaching($this->get('caching', $data, ''));
diff --git a/lib/Service/CacheService.php b/lib/Service/CacheService.php
new file mode 100644
index 00000000..a2cdef98
--- /dev/null
+++ b/lib/Service/CacheService.php
@@ -0,0 +1,199 @@
+<?php
+declare(strict_types=1);
+
+
+/**
+ * Nextcloud - Social Support
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Maxence Lange <maxence@artificial-owl.com>
+ * @copyright 2018, Maxence Lange <maxence@artificial-owl.com>
+ * @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\Social\Service;
+
+
+use daita\MySmallPhpTools\Model\Request;
+use OCA\Social\Exceptions\RequestException;
+
+class CurlService {
+
+
+	/** @var MiscService */
+	private $miscService;
+
+
+	/**
+	 * CurlService constructor.
+	 *
+	 * @param MiscService $miscService
+	 */
+	public function __construct(MiscService $miscService) {
+		$this->miscService = $miscService;
+	}
+
+
+	/**
+	 * @param Request $request
+	 *
+	 * @return array
+	 * @throws RequestException
+	 */
+	public function request(Request $request): array {
+		$curl = $this->initRequest($request);
+
+		$this->initRequestPost($curl, $request);
+		$this->initRequestPut($curl, $request);
+		$this->initRequestDelete($curl, $request);
+
+		$result = curl_exec($curl);
+		$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+
+		$this->parseRequestResultCode301($code);
+//		$this->parseRequestResultCode401($code);
+		$this->parseRequestResultCode404($code, $request);
+//		$this->parseRequestResultCode503($code);
+//		$this->parseRequestResultCode500($code);
+//		$this->parseRequestResult($result);
+
+		$ret = json_decode((string)$result, true);
+//		if ($ret === null) {
+//			throw new RequestException('500 Internal server error - could not parse JSON response');
+//		}
+		if (!is_array($ret)) {
+			$ret = ['_result' => $result];
+		}
+
+		$ret['_address'] = $request->getAddress();
+		$ret['_path'] = $request->getUrl();
+		$ret['_code'] = $code;
+
+		return $ret;
+	}
+
+
+	/**
+	 * @param Request $request
+	 *
+	 * @return resource
+	 */
+	private function initRequest(Request $request) {
+
+		$curl = $this->generateCurlRequest($request);
+		$headers = $request->getHeaders();
+
+		$headers[] = 'Accept: application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
+
+		curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
+		curl_setopt($curl, CURLOPT_TIMEOUT, 20);
+
+		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+
+		return $curl;
+	}
+
+
+	/**
+	 * @param Request $request
+	 *
+	 * @return resource
+	 */
+	private function generateCurlRequest(Request $request) {
+		$url = 'https://' . $request->getAddress() . $request->getParsedUrl();
+		if ($request->getType() !== Request::TYPE_GET) {
+			$curl = curl_init($url);
+		} else {
+			$curl = curl_init($url . '?' . $request->getUrlData());
+		}
+
+		return $curl;
+	}
+
+
+	/**
+	 * @param resource $curl
+	 * @param Request $request
+	 */
+	private function initRequestPost($curl, Request $request) {
+		if ($request->getType() !== Request::TYPE_POST) {
+			return;
+		}
+
+		curl_setopt($curl, CURLOPT_POST, true);
+		curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getDataBody());
+	}
+
+
+	/**
+	 * @param resource $curl
+	 * @param Request $request
+	 */
+	private function initRequestPut($curl, Request $request) {
+		if ($request->getType() !== Request::TYPE_PUT) {
+			return;
+		}
+
+		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PUT");
+		curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getDataBody());
+	}
+
+
+	/**
+	 * @param resource $curl
+	 * @param Request $request
+	 */
+	private function initRequestDelete($curl, Request $request) {
+		if ($request->getType() !== Request::TYPE_DELETE) {
+			return;
+		}
+
+		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "DELETE");
+		curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getDataBody());
+	}
+
+
+	/**
+	 * @param int $code
+	 *
+	 * @throws RequestException
+	 */
+	private function parseRequestResultCode301($code) {
+		if ($code === 301) {
+			throw new RequestException('301 Moved Permanently');
+		}
+	}
+
+
+	/**
+	 * @param int $code
+	 *
+	 * @param Request $request
+	 *
+	 * @throws RequestException
+	 */
+	private function parseRequestResultCode404(int $code, Request $request) {
+		if ($code === 404) {
+			throw new RequestException('404 Not Found - ' . json_encode($request));
+		}
+	}
+
+
+}