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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 \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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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 $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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                		if ($format === 'shares') { | 
            
                            
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                			return $items;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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*ownnote 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 ($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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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                	 * @since 8.0.0  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                        
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                	public function isShareTypeAllowed($shareType) { | 
            
            
                                                        
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                		return true;  | 
            
            
                                                        
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                        
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                	  | 
            
            
                                                        
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                }  |