fix(files_sharing): bring back handling of hide-download on public shares

apps/dav/lib/Connector/Sabre/FilesPlugin.php

@@ -15,6 +15,7 @@
 use OCP\Files\ForbiddenException;
 use OCP\Files\IFilenameValidator;
 use OCP\Files\InvalidPathException;
+use OCP\Files\Storage\ISharedStorage;
 use OCP\Files\StorageNotAvailableException;
 use OCP\FilesMetadata\Exceptions\FilesMetadataException;
 use OCP\FilesMetadata\Exceptions\FilesMetadataNotFoundException;
@@ -64,6 +65,7 @@ class FilesPlugin extends ServerPlugin {
 	public const UPLOAD_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}upload_time';
 	public const CREATION_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}creation_time';
 	public const SHARE_NOTE = '{http://nextcloud.org/ns}note';
+	public const SHARE_HIDE_DOWNLOAD_PROPERTYNAME = '{http://nextcloud.org/ns}hide-download';
 	public const SUBFOLDER_COUNT_PROPERTYNAME = '{http://nextcloud.org/ns}contained-folder-count';
 	public const SUBFILE_COUNT_PROPERTYNAME = '{http://nextcloud.org/ns}contained-file-count';
 	public const FILE_METADATA_PREFIX = '{http://nextcloud.org/ns}metadata-';
@@ -391,6 +393,19 @@ public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node)
 				);
 			});
 
+			$propFind->handle(self::SHARE_HIDE_DOWNLOAD_PROPERTYNAME, function () use ($node) {
+				$storage = $node->getNode()->getStorage();
+				if ($storage->instanceOfStorage(ISharedStorage::class)) {
+					/** @var ISharedStorage $storage */
+					return match($storage->getShare()->getHideDownload()) {
+						true => 'true',
+						false => 'false',
+					};
+				} else {
+					return null;
+				}
+			});
+
 			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () {
 				return $this->config->getSystemValue('data-fingerprint', '');
 			});
@@ -678,8 +693,6 @@ private function getMetadataFileAccessRight(Node $node, string $userId): int {
 		return IMetadataValueWrapper::EDIT_REQ_READ_PERMISSION;
 	}
 
-
-
 	/**
 	 * @param string $filePath
 	 * @param ?\Sabre\DAV\INode $node

apps/files/src/actions/downloadAction.ts

@@ -88,7 +88,7 @@ export const action = new FileAction({
 		}
 
 		// We can only download dav files and folders.
-		if (nodes.some(node => !node.isDavRessource)) {
+		if (nodes.some(node => !node.isDavResource)) {
 			return false
 		}
 

apps/files/src/utils/permissions.ts

@@ -17,6 +17,13 @@ export function isDownloadable(node: Node): boolean {
 		return false
 	}
 
+	// check hide-download property of shares
+	if (node.attributes['hide-download'] === true
+		|| node.attributes['hide-download'] === 'true'
+	) {
+		return false
+	}
+
 	// If the mount type is a share, ensure it got download permissions.
 	if (node.attributes['share-attributes']) {
 		const shareAttributes = JSON.parse(node.attributes['share-attributes'] || '[]') as Array<ShareAttribute>

apps/files_sharing/lib/Controller/ShareAPIController.php

@@ -1293,16 +1293,11 @@ public function updateShare(
 			|| $share->getShareType() === IShare::TYPE_EMAIL) {
 
 			// Update hide download state
-			$attributes = $share->getAttributes() ?? $share->newAttributes();
 			if ($hideDownload === 'true') {
 				$share->setHideDownload(true);
-				$attributes->setAttribute('permissions', 'download', false);
 			} elseif ($hideDownload === 'false') {
 				$share->setHideDownload(false);
-				$attributes->setAttribute('permissions', 'download', true);
 			}
-			$share->setAttributes($attributes);
-
 
 			// If either manual permissions are specified or publicUpload
 			// then we need to also update the permissions of the share

apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php

@@ -145,7 +145,7 @@ public function renderPage(IShare $share, string $token, string $path): Template
 
 		// Create the header action menu
 		$headerActions = [];
-		if ($view !== 'public-file-drop') {
+		if ($view !== 'public-file-drop' && !$share->getHideDownload()) {
 			// The download URL is used for the "download" header action as well as in some cases for the direct link
 			$downloadUrl = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.downloadShare', [
 				'token' => $token,
@@ -156,7 +156,7 @@ public function renderPage(IShare $share, string $token, string $path): Template
 			$headerActions[] = new SimpleMenuAction('download', $this->l10n->t('Download'), 'icon-download', $downloadUrl, 0, (string)$shareNode->getSize());
 
 			// If remote sharing is enabled also add the remote share action to the menu
-			if ($this->federatedShareProvider->isOutgoingServer2serverShareEnabled() && !$share->getHideDownload()) {
+			if ($this->federatedShareProvider->isOutgoingServer2serverShareEnabled()) {
 				$headerActions[] = new ExternalShareMenuAction(
 					// TRANSLATORS The placeholder refers to the software product name as in 'Add to your Nextcloud'
 					$this->l10n->t('Add to your %s', [$this->defaults->getProductName()]),

apps/files_sharing/src/init.ts

@@ -2,7 +2,8 @@
  * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import { addNewFileMenuEntry, registerDavProperty } from '@nextcloud/files'
+import { addNewFileMenuEntry } from '@nextcloud/files'
+import { registerDavProperty } from '@nextcloud/files/dav'
 import { registerAccountFilter } from './files_filters/AccountFilter'
 import { entry as newFileRequest } from './files_newMenu/newFileRequest'
 
@@ -21,6 +22,7 @@ addNewFileMenuEntry(newFileRequest)
 
 registerDavProperty('nc:note', { nc: 'http://nextcloud.org/ns' })
 registerDavProperty('nc:sharees', { nc: 'http://nextcloud.org/ns' })
+registerDavProperty('nc:hide-download', { nc: 'http://nextcloud.org/ns' })
 registerDavProperty('nc:share-attributes', { nc: 'http://nextcloud.org/ns' })
 registerDavProperty('oc:share-types', { oc: 'http://owncloud.org/ns' })
 registerDavProperty('ocs:share-permissions', { ocs: 'http://open-collaboration-services.org/ns' })

apps/files_sharing/src/models/Share.ts

@@ -252,6 +252,15 @@ export default class Share {
 	 * Hide the download button on public page
 	 */
 	set hideDownload(state: boolean) {
+		// disabling hide-download also enables the download permission
+		// needed for regression in Nextcloud 31.0.0 until (incl.) 31.0.3
+		if (!state) {
+			const attribute = this.attributes.find(({ key, scope }) => key === 'download' && scope === 'permissions')
+			if (attribute) {
+				attribute.value = true
+			}
+		}
+
 		this._share.hide_download = state === true
 	}
 

apps/files_sharing/src/services/SharingService.ts

@@ -94,6 +94,7 @@ const ocsEntryToNode = async function(ocsEntry: any): Promise<Folder | File | nu
 			attributes: {
 				...ocsEntry,
 				'has-preview': hasPreview,
+				'hide-download': ocsEntry?.hide_download === 1,
 				// Also check the sharingStatusAction.ts code
 				'owner-id': ocsEntry?.uid_owner,
 				'owner-display-name': ocsEntry?.displayname_owner,