Splits off the logic from sharees endpoint thus making it available from

within Nc/via PHP.

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

1 files changed, 147 insertions, 0 deletions

diff --git a/lib/private/Collaboration/Collaborators/UserPlugin.php b/lib/private/Collaboration/Collaborators/UserPlugin.php
new file mode 100644
index 00000000000..815862b8726
--- /dev/null
+++ b/lib/private/Collaboration/Collaborators/UserPlugin.php
@@ -0,0 +1,147 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 OC\Collaboration\Collaborators;
+
+
+use OCP\Collaboration\Collaborators\ISearchPlugin;
+use OCP\Collaboration\Collaborators\ISearchResult;
+use OCP\IConfig;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IUserSession;
+use OCP\Share;
+
+class UserPlugin implements ISearchPlugin {
+	/* @var bool */
+	protected $shareWithGroupOnly;
+	protected $shareeEnumeration;
+
+	/** @var IConfig */
+	private $config;
+	/** @var IGroupManager */
+	private $groupManager;
+	/** @var IUserSession */
+	private $userSession;
+	/** @var IUserManager */
+	private $userManager;
+
+	public function __construct(IConfig $config, IUserManager $userManager, IGroupManager $groupManager, IUserSession $userSession) {
+		$this->config = $config;
+		
+		$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
+		$this->groupManager = $groupManager;
+		$this->userSession = $userSession;
+		$this->userManager = $userManager;
+
+		$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
+	}
+
+	public function search($search, $limit, $offset, ISearchResult $searchResult) {
+		$result = ['wide' => [], 'exact' => []];
+		$users = [];
+		$hasMoreResults = false;
+
+		$userGroups = [];
+		if ($this->shareWithGroupOnly) {
+			// Search in all the groups this user is part of
+			$userGroups = $this->groupManager->getUserGroupIds($this->userSession->getUser());
+			foreach ($userGroups as $userGroup) {
+				$usersTmp = $this->groupManager->displayNamesInGroup($userGroup, $search, $limit, $offset);
+				foreach ($usersTmp as $uid => $userDisplayName) {
+					$users[$uid] = $userDisplayName;
+				}
+			}
+		} else {
+			// Search in all users
+			$usersTmp = $this->userManager->searchDisplayName($search, $limit, $offset);
+
+			foreach ($usersTmp as $user) {
+				$users[$user->getUID()] = $user->getDisplayName();
+			}
+		}
+
+		if (!$this->shareeEnumeration || sizeof($users) < $limit) {
+			$hasMoreResults = true;
+		}
+
+		$foundUserById = false;
+		$lowerSearch = strtolower($search);
+		foreach ($users as $uid => $userDisplayName) {
+			if (strtolower($uid) === $lowerSearch || strtolower($userDisplayName) === $lowerSearch) {
+				if (strtolower($uid) === $lowerSearch) {
+					$foundUserById = true;
+				}
+				$result['exact'][] = [
+					'label' => $userDisplayName,
+					'value' => [
+						'shareType' => Share::SHARE_TYPE_USER,
+						'shareWith' => $uid,
+					],
+				];
+			} else {
+				$result['wide'][] = [
+					'label' => $userDisplayName,
+					'value' => [
+						'shareType' => Share::SHARE_TYPE_USER,
+						'shareWith' => $uid,
+					],
+				];
+			}
+		}
+
+		if ($offset === 0 && !$foundUserById) {
+			// On page one we try if the search result has a direct hit on the
+			// user id and if so, we add that to the exact match list
+			$user = $this->userManager->get($search);
+			if ($user instanceof IUser) {
+				$addUser = true;
+
+				if ($this->shareWithGroupOnly) {
+					// Only add, if we have a common group
+					$commonGroups = array_intersect($userGroups, $this->groupManager->getUserGroupIds($user));
+					$addUser = !empty($commonGroups);
+				}
+
+				if ($addUser) {
+					array_push($result['exact'], [
+						'label' => $user->getDisplayName(),
+						'value' => [
+							'shareType' => Share::SHARE_TYPE_USER,
+							'shareWith' => $user->getUID(),
+						],
+					]);
+				}
+			}
+		}
+
+		if (!$this->shareeEnumeration) {
+			$result['wide'] = [];
+		}
+
+		$searchResult->addResultSet('users', $result['wide'], $result['exact']);
+
+		return $hasMoreResults;
+	}
+}