1 files changed, 28 insertions, 0 deletions
diff --git a/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php b/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
index 3e85615638b..f4e5de0ea43 100644
--- a/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/FilesReportPlugin.php
@@ -46,6 +46,7 @@ class FilesReportPlugin extends ServerPlugin {
 	const NS_OWNCLOUD = 'http://owncloud.org/ns';
 	const REPORT_NAME            = '{http://owncloud.org/ns}filter-files';
 	const SYSTEMTAG_PROPERTYNAME = '{http://owncloud.org/ns}systemtag';
+	const CIRCLE_PROPERTYNAME = '{http://owncloud.org/ns}circle';
 
 	/**
 	 * Reference to main server object
@@ -256,14 +257,19 @@ class FilesReportPlugin extends ServerPlugin {
 		$ns = '{' . $this::NS_OWNCLOUD . '}';
 		$resultFileIds = null;
 		$systemTagIds = [];
+		$circlesIds = [];
 		$favoriteFilter = null;
 		foreach ($filterRules as $filterRule) {
 			if ($filterRule['name'] === $ns . 'systemtag') {
 				$systemTagIds[] = $filterRule['value'];
 			}
+			if ($filterRule['name'] === self::CIRCLE_PROPERTYNAME) {
+				$circlesIds[] = $filterRule['value'];
+			}
 			if ($filterRule['name'] === $ns . 'favorite') {
 				$favoriteFilter = true;
 			}
+
 		}
 
 		if ($favoriteFilter !== null) {
@@ -282,6 +288,15 @@ class FilesReportPlugin extends ServerPlugin {
 			}
 		}
 
+		if (!empty($circlesIds)) {
+			$fileIds = $this->getCirclesFileIds($circlesIds);
+			if (empty($resultFileIds)) {
+				$resultFileIds = $fileIds;
+			} else {
+				$resultFileIds = array_intersect($fileIds, $resultFileIds);
+			}
+		}
+
 		return $resultFileIds;
 	}
 
@@ -329,6 +344,19 @@ class FilesReportPlugin extends ServerPlugin {
 	}
 
 	/**
+	 * @suppress PhanUndeclaredClassMethod
+	 * @param array $circlesIds
+	 * @return array
+	 */
+	private function getCirclesFileIds(array $circlesIds) {
+		if (!\OC::$server->getAppManager()->isEnabledForUser('circles') || !class_exists('\OCA\Circles\ShareByCircleProvider')) {
+			return array();
+		}
+		return \OCA\Circles\Api\v1\Circles::getFilesForCircles($circlesIds);
+	}
+
+
+	/**
 	 * Prepare propfind response for the given nodes
 	 *
 	 * @param string $filesUri $filesUri URI leading to root of the files URI,