Merge pull request #7363 from nextcloud/default-share-perms

Let the admin configure the default share permissions

apps/files_sharing/lib/Capabilities.php

@@ -23,6 +23,7 @@
 namespace OCA\Files_Sharing;
 
 use OCP\Capabilities\ICapability;
+use OCP\Constants;
 use \OCP\IConfig;
 
 /**
@@ -86,6 +87,7 @@ public function getCapabilities() {
 			$res['group'] = [];
 			$res['group']['enabled'] = $this->config->getAppValue('core', 'shareapi_allow_group_sharing', 'yes') === 'yes';
 			$res['group']['expire_date']['enabled'] = true;
+			$res['default_permissions'] = (int)$this->config->getAppValue('core', 'shareapi_default_permissions', Constants::PERMISSION_ALL);
 		}
 
 		//Federated sharing

apps/files_sharing/lib/Controller/ShareAPIController.php

@@ -35,8 +35,10 @@
 use OCP\AppFramework\OCS\OCSForbiddenException;
 use OCP\AppFramework\OCS\OCSNotFoundException;
 use OCP\AppFramework\OCSController;
+use OCP\Constants;
 use OCP\Files\Node;
 use OCP\Files\NotFoundException;
+use OCP\IConfig;
 use OCP\IGroupManager;
 use OCP\IL10N;
 use OCP\IUserManager;
@@ -75,6 +77,8 @@ class ShareAPIController extends OCSController {
 	private $l;
 	/** @var \OCP\Files\Node */
 	private $lockedNode;
+	/** @var IConfig */
+	private $config;
 
 	/**
 	 * Share20OCS constructor.
@@ -88,6 +92,7 @@ class ShareAPIController extends OCSController {
 	 * @param IURLGenerator $urlGenerator
 	 * @param string $userId
 	 * @param IL10N $l10n
+	 * @param IConfig $config
 	 */
 	public function __construct(
 		$appName,
@@ -98,7 +103,8 @@ public function __construct(
 		IRootFolder $rootFolder,
 		IURLGenerator $urlGenerator,
 		$userId,
-		IL10N $l10n
+		IL10N $l10n,
+		IConfig $config
 	) {
 		parent::__construct($appName, $request);
 
@@ -110,6 +116,7 @@ public function __construct(
 		$this->urlGenerator = $urlGenerator;
 		$this->currentUser = $userId;
 		$this->l = $l10n;
+		$this->config = $config;
 	}
 
 	/**
@@ -318,7 +325,7 @@ public function deleteShare($id) {
 	 */
 	public function createShare(
 		$path = null,
-		$permissions = \OCP\Constants::PERMISSION_ALL,
+		$permissions = null,
 		$shareType = -1,
 		$shareWith = null,
 		$publicUpload = 'false',
@@ -327,6 +334,10 @@ public function createShare(
 	) {
 		$share = $this->shareManager->newShare();
 
+		if ($permissions === null) {
+			$permissions = $this->config->getAppValue('core', 'shareapi_default_permissions', Constants::PERMISSION_ALL);
+		}
+
 		// Verify path
 		if ($path === null) {
 			throw new OCSNotFoundException($this->l->t('Please specify a file or folder path'));
@@ -347,17 +358,17 @@ public function createShare(
 			throw new OCSNotFoundException($this->l->t('Could not create share'));
 		}
 
-		if ($permissions < 0 || $permissions > \OCP\Constants::PERMISSION_ALL) {
+		if ($permissions < 0 || $permissions > Constants::PERMISSION_ALL) {
 			throw new OCSNotFoundException($this->l->t('invalid permissions'));
 		}
 
 		// Shares always require read permissions
-		$permissions |= \OCP\Constants::PERMISSION_READ;
+		$permissions |= Constants::PERMISSION_READ;
 
 		if ($path instanceof \OCP\Files\File) {
 			// Single file shares should never have delete or create permissions
-			$permissions &= ~\OCP\Constants::PERMISSION_DELETE;
-			$permissions &= ~\OCP\Constants::PERMISSION_CREATE;
+			$permissions &= ~Constants::PERMISSION_DELETE;
+			$permissions &= ~Constants::PERMISSION_CREATE;
 		}
 
 		/*
@@ -414,13 +425,13 @@ public function createShare(
 				}
 
 				$share->setPermissions(
-					\OCP\Constants::PERMISSION_READ |
-					\OCP\Constants::PERMISSION_CREATE |
-					\OCP\Constants::PERMISSION_UPDATE |
-					\OCP\Constants::PERMISSION_DELETE
+					Constants::PERMISSION_READ |
+					Constants::PERMISSION_CREATE |
+					Constants::PERMISSION_UPDATE |
+					Constants::PERMISSION_DELETE
 				);
 			} else {
-				$share->setPermissions(\OCP\Constants::PERMISSION_READ);
+				$share->setPermissions(Constants::PERMISSION_READ);
 			}
 
 			// Set password
@@ -447,13 +458,9 @@ public function createShare(
 			$share->setPermissions($permissions);
 		} else if ($shareType === \OCP\Share::SHARE_TYPE_EMAIL) {
 			if ($share->getNodeType() === 'file') {
-				$share->setPermissions(\OCP\Constants::PERMISSION_READ);
+				$share->setPermissions(Constants::PERMISSION_READ);
 			} else {
-				$share->setPermissions(
-					\OCP\Constants::PERMISSION_READ |
-					\OCP\Constants::PERMISSION_CREATE |
-					\OCP\Constants::PERMISSION_UPDATE |
-					\OCP\Constants::PERMISSION_DELETE);
+				$share->setPermissions($permissions);
 			}
 			$share->setSharedWith($shareWith);
 		} else if ($shareType === \OCP\Share::SHARE_TYPE_CIRCLE) {
@@ -698,33 +705,33 @@ public function updateShare(
 
 			$newPermissions = null;
 			if ($publicUpload === 'true') {
-				$newPermissions = \OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
+				$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
 			} else if ($publicUpload === 'false') {
-				$newPermissions = \OCP\Constants::PERMISSION_READ;
+				$newPermissions = Constants::PERMISSION_READ;
 			}
 
 			if ($permissions !== null) {
 				$newPermissions = (int)$permissions;
-				$newPermissions = $newPermissions & ~\OCP\Constants::PERMISSION_SHARE;
+				$newPermissions = $newPermissions & ~Constants::PERMISSION_SHARE;
 			}
 
 			if ($newPermissions !== null &&
 				!in_array($newPermissions, [
-					\OCP\Constants::PERMISSION_READ,
-					\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE, // legacy
-					\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE, // correct
-					\OCP\Constants::PERMISSION_CREATE, // hidden file list
-					\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_UPDATE, // allow to edit single files
+					Constants::PERMISSION_READ,
+					Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE, // legacy
+					Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE, // correct
+					Constants::PERMISSION_CREATE, // hidden file list
+					Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, // allow to edit single files
 				])
 			) {
 				throw new OCSBadRequestException($this->l->t('Can\'t change permissions for public share links'));
 			}
 
 			if (
 				// legacy
-				$newPermissions === (\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE) ||
+				$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE) ||
 				// correct
-				$newPermissions === (\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE)
+				$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE)
 			) {
 				if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
 					throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
@@ -735,7 +742,7 @@ public function updateShare(
 				}
 
 				// normalize to correct public upload permissions
-				$newPermissions = \OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
+				$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
 			}
 
 			if ($newPermissions !== null) {

apps/files_sharing/tests/ApiTest.php

@@ -37,6 +37,7 @@
 use OCP\AppFramework\OCS\OCSException;
 use OCP\AppFramework\OCS\OCSForbiddenException;
 use OCP\AppFramework\OCS\OCSNotFoundException;
+use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IRequest;
 
@@ -105,6 +106,7 @@ private function createOCS($userId) {
 			->will($this->returnCallback(function($text, $parameters = []) {
 				return vsprintf($text, $parameters);
 			}));
+		$config = $this->createMock(IConfig::class);
 
 		return new ShareAPIController(
 			self::APP_NAME,
@@ -115,7 +117,8 @@ private function createOCS($userId) {
 			\OC::$server->getRootFolder(),
 			\OC::$server->getURLGenerator(),
 			$userId,
-			$l
+			$l,
+			$config
 		);
 	}
 

apps/files_sharing/tests/Controller/ShareAPIControllerTest.php

@@ -31,6 +31,7 @@
 use OCP\Files\File;
 use OCP\Files\Folder;
 use OCP\Files\Storage;
+use OCP\IConfig;
 use OCP\IL10N;
 use OCA\Files_Sharing\Controller\ShareAPIController;
 use OCP\Files\NotFoundException;
@@ -84,6 +85,9 @@ class ShareAPIControllerTest extends TestCase {
 	/** @var IL10N|\PHPUnit_Framework_MockObject_MockObject */
 	private $l;
 
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	private $config;
+
 	protected function setUp() {
 		$this->shareManager = $this->createMock(IManager::class);
 		$this->shareManager
@@ -102,6 +106,7 @@ protected function setUp() {
 			->will($this->returnCallback(function($text, $parameters = []) {
 				return vsprintf($text, $parameters);
 			}));
+		$this->config = $this->createMock(IConfig::class);
 
 		$this->ocs = new ShareAPIController(
 			$this->appName,
@@ -112,7 +117,8 @@ protected function setUp() {
 			$this->rootFolder,
 			$this->urlGenerator,
 			$this->currentUser,
-			$this->l
+			$this->l,
+			$this->config
 		);
 	}
 
@@ -131,6 +137,7 @@ private function mockFormatShare() {
 				$this->urlGenerator,
 				$this->currentUser,
 				$this->l,
+				$this->config
 			])->setMethods(['formatShare'])
 			->getMock();
 	}
@@ -439,6 +446,7 @@ public function testGetShare(\OCP\Share\IShare $share, array $result) {
 					$this->urlGenerator,
 					$this->currentUser,
 					$this->l,
+					$this->config
 				])->setMethods(['canAccessShare'])
 				->getMock();
 
@@ -707,6 +715,7 @@ public function testCreateShareUser() {
 				$this->urlGenerator,
 				$this->currentUser,
 				$this->l,
+				$this->config
 			])->setMethods(['formatShare'])
 			->getMock();
 
@@ -804,6 +813,7 @@ public function testCreateShareGroup() {
 				$this->urlGenerator,
 				$this->currentUser,
 				$this->l,
+				$this->config
 			])->setMethods(['formatShare'])
 			->getMock();
 
@@ -1119,6 +1129,7 @@ public function testCreateReshareOfFederatedMountNoDeletePermissions() {
 				$this->urlGenerator,
 				$this->currentUser,
 				$this->l,
+				$this->config
 			])->setMethods(['formatShare'])
 			->getMock();
 

core/Controller/OCJSController.php

@@ -26,6 +26,7 @@
 namespace OC\Core\Controller;
 
 use bantu\IniGetWrapper\IniGetWrapper;
+use OC\CapabilitiesManager;
 use OC\Template\JSConfigHelper;
 use OCP\App\IAppManager;
 use OCP\AppFramework\Controller;
@@ -59,6 +60,7 @@ class OCJSController extends Controller {
 	 * @param IGroupManager $groupManager
 	 * @param IniGetWrapper $iniWrapper
 	 * @param IURLGenerator $urlGenerator
+	 * @param CapabilitiesManager $capabilitiesManager
 	 */
 	public function __construct($appName,
 								IRequest $request,
@@ -70,7 +72,8 @@ public function __construct($appName,
 								IConfig $config,
 								IGroupManager $groupManager,
 								IniGetWrapper $iniWrapper,
-								IURLGenerator $urlGenerator) {
+								IURLGenerator $urlGenerator,
+								CapabilitiesManager $capabilitiesManager) {
 		parent::__construct($appName, $request);
 
 		$this->helper = new JSConfigHelper(
@@ -82,7 +85,8 @@ public function __construct($appName,
 			$config,
 			$groupManager,
 			$iniWrapper,
-			$urlGenerator
+			$urlGenerator,
+			$capabilitiesManager
 		);
 	}
 

core/js/js.js

@@ -80,6 +80,13 @@ var OCP = {},
 	 */
 	webroot:oc_webroot,
 
+	/**
+	 * Capabilities
+	 *
+	 * @type array
+	 */
+	_capabilities: window.oc_capabilities || null,
+
 	appswebroots:(typeof oc_appswebroots !== 'undefined') ? oc_appswebroots:false,
 	/**
 	 * Currently logged in user or null if none
@@ -308,6 +315,18 @@ var OCP = {},
 		return OC.webroot;
 	},
 
+
+	/**
+	 * Returns the capabilities
+	 *
+	 * @return {array} capabilities
+	 *
+	 * @since 14.0
+	 */
+	getCapabilities: function() {
+		return OC._capabilities;
+	},
+
 	/**
 	 * Returns the currently logged in user or null if there is no logged in
 	 * user (public page mode)

core/js/shareitemmodel.js

@@ -158,23 +158,24 @@
 			var shareType = attributes.shareType;
 			attributes = _.extend({}, attributes);
 
-			// Default permissions are Edit (CRUD) and Share
-			// Check if these permissions are possible
-			var permissions = OC.PERMISSION_READ;
+			// get default permissions
+			var defaultPermissions = OC.getCapabilities()['files_sharing']['default_permissions'] || OC.PERMISSION_ALL;
+			var possiblePermissions = OC.PERMISSION_READ;
+
 			if (this.updatePermissionPossible()) {
-				permissions = permissions | OC.PERMISSION_UPDATE;
+				possiblePermissions = possiblePermissions | OC.PERMISSION_UPDATE;
 			}
 			if (this.createPermissionPossible()) {
-				permissions = permissions | OC.PERMISSION_CREATE;
+				possiblePermissions = possiblePermissions | OC.PERMISSION_CREATE;
 			}
 			if (this.deletePermissionPossible()) {
-				permissions = permissions | OC.PERMISSION_DELETE;
+				possiblePermissions = possiblePermissions | OC.PERMISSION_DELETE;
 			}
 			if (this.configModel.get('isResharingAllowed') && (this.sharePermissionPossible())) {
-				permissions = permissions | OC.PERMISSION_SHARE;
+				possiblePermissions = possiblePermissions | OC.PERMISSION_SHARE;
 			}
 
-			attributes.permissions = permissions;
+			attributes.permissions = defaultPermissions & possiblePermissions;
 			if (_.isUndefined(attributes.path)) {
 				attributes.path = this.fileInfoModel.getFullPath();
 			}