Fix remote group share decline+accept code path

When declining a remote group share through the dialog that appears when
notifications are off, the mount point is now correctly saved when
re-accepting.

Signed-off-by: Vincent Petry <[email protected]>

apps/files_sharing/lib/External/Manager.php

@@ -334,7 +334,13 @@ public function acceptShare($id) {
 
 				if ($subshare !== null) {
 					try {
-						$this->updateAccepted((int)$subshare['id'], true);
+						$acceptShare = $this->connection->prepare('
+						UPDATE `*PREFIX*share_external`
+						SET `accepted` = ?,
+							`mountpoint` = ?,
+							`mountpoint_hash` = ?
+						WHERE `id` = ? AND `user` = ?');
+						$acceptShare->execute([1, $mountPoint, $hash, $subshare['id'], $this->uid]);
 						$result = true;
 					} catch (Exception $e) {
 						$this->logger->logException($e);

apps/files_sharing/tests/External/ManagerTest.php

@@ -547,6 +547,42 @@ public function testDeclineGroupShareAgainThroughMountPoint() {
 		$this->assertFalse($this->manager->removeShare($this->uid . '/files/' . $shareData['name']));
 	}
 
+	public function testDeclineThenAcceptGroupShareAgainThroughGroupShare() {
+		[$shareData, $groupShare] = $this->createTestGroupShare();
+		// decline, this creates a declined sub-share
+		$this->assertTrue($this->manager->declineShare($groupShare['id']));
+		$this->verifyDeclinedGroupShare($shareData);
+
+		// this will return sub-entries
+		$openShares = $this->manager->getOpenShares();
+
+		// accept through sub-share
+		$this->assertTrue($this->manager->acceptShare($groupShare['id']));
+		$this->verifyAcceptedGroupShare($shareData, '/SharedFolder');
+
+		// accept a second time
+		$this->assertTrue($this->manager->acceptShare($groupShare['id']));
+		$this->verifyAcceptedGroupShare($shareData, '/SharedFolder');
+	}
+
+	public function testDeclineThenAcceptGroupShareAgainThroughSubShare() {
+		[$shareData, $groupShare] = $this->createTestGroupShare();
+		// decline, this creates a declined sub-share
+		$this->assertTrue($this->manager->declineShare($groupShare['id']));
+		$this->verifyDeclinedGroupShare($shareData);
+
+		// this will return sub-entries
+		$openShares = $this->manager->getOpenShares();
+
+		// accept through sub-share
+		$this->assertTrue($this->manager->acceptShare($openShares[0]['id']));
+		$this->verifyAcceptedGroupShare($shareData);
+
+		// accept a second time
+		$this->assertTrue($this->manager->acceptShare($openShares[0]['id']));
+		$this->verifyAcceptedGroupShare($shareData);
+	}
+
 	/**
 	 * @param array $expected
 	 * @param array $actual