3 files changed, 15 insertions, 2 deletions
diff --git a/lib/private/Share/Constants.php b/lib/private/Share/Constants.php
index f351f8d7fda..4eb79734c06 100644
--- a/lib/private/Share/Constants.php
+++ b/lib/private/Share/Constants.php
@@ -37,6 +37,7 @@ class Constants {
 	const SHARE_TYPE_REMOTE = 6;
 	const SHARE_TYPE_CIRCLE = 7;
 	const SHARE_TYPE_GUEST = 8;
+	const SHARE_TYPE_REMOTE_GROUP = 9;
 
 	const FORMAT_NONE = -1;
 	const FORMAT_STATUSES = -2;
diff --git a/lib/private/Share20/Manager.php b/lib/private/Share20/Manager.php
index 5116351a6bc..76b523afd10 100644
--- a/lib/private/Share20/Manager.php
+++ b/lib/private/Share20/Manager.php
@@ -226,6 +226,10 @@ class Manager implements IManager {
 			if ($share->getSharedWith() === null) {
 				throw new \InvalidArgumentException('SharedWith should not be empty');
 			}
+		}  else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE_GROUP) {
+			if ($share->getSharedWith() === null) {
+				throw new \InvalidArgumentException('SharedWith should not be empty');
+			}
 		} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
 			if ($share->getSharedWith() === null) {
 				throw new \InvalidArgumentException('SharedWith should not be empty');
@@ -1582,6 +1586,13 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	public function outgoingServer2ServerGroupSharesAllowed() {
+		return $this->config->getAppValue('files_sharing', 'outgoing_server2server_group_share_enabled', 'no') === 'yes';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
 	public function shareProviderExists($shareType) {
 		try {
 			$this->factory->getProviderForType($shareType);
diff --git a/lib/private/Share20/ProviderFactory.php b/lib/private/Share20/ProviderFactory.php
index 7d866db24fa..80ef9412ffa 100644
--- a/lib/private/Share20/ProviderFactory.php
+++ b/lib/private/Share20/ProviderFactory.php
@@ -135,7 +135,8 @@ class ProviderFactory implements IProviderFactory {
 				$this->serverContainer->getConfig(),
 				$this->serverContainer->getUserManager(),
 				$this->serverContainer->getCloudIdManager(),
-				$this->serverContainer->getGlobalScaleConfig()
+				$this->serverContainer->getGlobalScaleConfig(),
+				$this->serverContainer->getCloudFederationProviderManager()
 			);
 		}
 
@@ -250,7 +251,7 @@ class ProviderFactory implements IProviderFactory {
 			$shareType === \OCP\Share::SHARE_TYPE_LINK
 		) {
 			$provider = $this->defaultShareProvider();
-		} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
+		} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE || \OCP\Share::SHARE_TYPE_REMOTE_GROUP) {
 			$provider = $this->federatedShareProvider();
 		} else if ($shareType === \OCP\Share::SHARE_TYPE_EMAIL) {
 			$provider = $this->getShareByMailProvider();