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<?php |
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/** |
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* Nextcloud - NextNote |
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* |
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* @copyright Copyright (c) 2015, Ben Curtis <[email protected]> |
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* @copyright Copyright (c) 2017, Sander Brand ([email protected]) |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\NextNote\ShareBackend; |
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use OC\Share\Share; |
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use OCA\NextNote\Db\NextNote; |
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use OCA\NextNote\Fixtures\ShareFix; |
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use \OCP\Share_Backend; |
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class NextNoteShareBackend implements Share_Backend { |
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private $db; |
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public function __construct() { |
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$this->db = \OC::$server->getDatabaseConnection(); |
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} |
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public function getSharedNotes(){ |
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return Share::getItemsSharedWith('nextnote', 'populated_shares'); |
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} |
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/** |
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* Check if this $itemSource exist for the user |
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* @param string $itemSource |
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* @param string $uidOwner Owner of the item |
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* @return boolean|null Source |
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* |
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* Return false if the item does not exist for the user |
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* @since 5.0.0 |
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*/ |
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public function isValidSource($itemSource, $uidOwner) { |
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// todo: real test |
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// id => 1, has admin |
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// has owner this note? |
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return true; |
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} |
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/** |
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* Get a unique name of the item for the specified user |
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* @param string $itemSource |
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* @param string|false $shareWith User the item is being shared with |
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* @param array|null $exclude List of similar item names already existing as shared items @deprecated since version OC7 |
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* @return string Target name |
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* |
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* This function needs to verify that the user does not already have an item with this name. |
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* If it does generate a new name e.g. name_# |
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* @since 5.0.0 |
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*/ |
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public function generateTarget($itemSource, $shareWith, $exclude = null) { |
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// note id (should be unique) |
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return $itemSource; |
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} |
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/** |
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* Converts the shared item sources back into the item in the specified format |
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* @param array $items Shared items |
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* @param int|string $format |
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* @return array |
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* |
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* The items array is a 3-dimensional array with the item_source as the |
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* first key and the share id as the second key to an array with the share |
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* info. |
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* |
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* The key/value pairs included in the share info depend on the function originally called: |
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* If called by getItem(s)Shared: id, item_type, item, item_source, |
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* share_type, share_with, permissions, stime, file_source |
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* |
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* If called by getItem(s)SharedWith: id, item_type, item, item_source, |
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* item_target, share_type, share_with, permissions, stime, file_source, |
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* file_target |
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* |
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* This function allows the backend to control the output of shared items with custom formats. |
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* It is only called through calls to the public getItem(s)Shared(With) functions. |
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* @since 5.0.0 |
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*/ |
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public function formatItems($items, $format, $parameters = null) { |
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// get the ownnote ids |
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$ids = Array(); |
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foreach($items as $item) { |
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$ids[] = $item['item_source']; |
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} |
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// get notes from database |
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$select_clause = "SELECT id, uid, name, grouping, mtime, deleted FROM *PREFIX*nextnote WHERE id in ("; |
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$select_clause .= implode(',', $ids); |
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$select_clause .= ") ORDER BY id"; |
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$q = $this->db->executeQuery($select_clause, array()); |
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//$query = \OCP\DB::prepare($select_clause); |
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$results = $q->fetchAll(); |
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// add permissions to items |
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if (is_string($format) && $format === 'populated_shares') { |
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$full_items = Array(); |
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foreach($results as $index => $result) { |
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$full_items[] = array_merge($items[$index], $result); |
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} |
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$results = $full_items; |
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} |
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return $results; |
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} |
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/** |
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* Check if a given share type is allowd by the back-end |
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* |
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* @param int $shareType share type |
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* @return boolean |
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* |
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* The back-end can enable/disable specific share types. Just return true if |
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* the back-end doesn't provide any specific settings for it and want to allow |
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* all share types defined by the share API |
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* @since 8.0.0 |
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*/ |
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public function isShareTypeAllowed($shareType) { |
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return true; |
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} |
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/** |
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* Check if the current user has the requested permission. |
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* For permissions |
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* @see \OCP\Constants |
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* @param $permission |
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* @param $note NextNote |
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* @return bool|int |
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*/ |
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public function checkPermissions($permission, $note) { |
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// gather information |
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$uid = \OC::$server->getUserSession()->getUser()->getUID(); |
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// owner is allowed to do everything |
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if ($uid === $note->getUid()) { |
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return true; |
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} |
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// check share permissions |
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$gotPerm = ShareFix::getPermissions('nextnote', $note->getId(), $uid); |
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return $gotPerm & $permission; |
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} |
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} |