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<?php |
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/** |
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* Nextcloud - passman |
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* |
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* @copyright Copyright (c) 2016, Sander Brand ([email protected]) |
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* @copyright Copyright (c) 2016, Marcos Zuriaga Miguel ([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\Passman\Service; |
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use OCA\Passman\Db\CredentialMapper; |
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use OCA\Passman\Db\ShareRequest; |
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use OCA\Passman\Db\ShareRequestMapper; |
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use OCA\Passman\Db\SharingACL; |
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use OCA\Passman\Db\SharingACLMapper; |
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use OCA\Passman\Utility\Utils; |
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use OCP\AppFramework\Db\DoesNotExistException; |
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use OCP\AppFramework\Db\Entity; |
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use OCP\AppFramework\Db\MultipleObjectsReturnedException; |
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use OCP\DB\Exception; |
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use OCP\DB\IResult; |
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use OCP\Notification\IManager; |
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class ShareService { |
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private SharingACLMapper $sharingACL; |
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private ShareRequestMapper $shareRequest; |
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private CredentialMapper $credential; |
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private CredentialRevisionService $revisions; |
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private EncryptService $encryptService; |
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private IManager $IManager; |
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public function __construct( |
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SharingACLMapper $sharingACL, |
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ShareRequestMapper $shareRequest, |
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CredentialMapper $credentials, |
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CredentialRevisionService $revisions, |
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EncryptService $encryptService, |
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IManager $IManager |
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) { |
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$this->sharingACL = $sharingACL; |
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$this->shareRequest = $shareRequest; |
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$this->credential = $credentials; |
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$this->revisions = $revisions; |
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$this->encryptService = $encryptService; |
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$this->IManager = $IManager; |
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} |
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/** |
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* Creates requests for all the items on the request array of objects. |
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* This array must follow this spec: |
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* user_id: The target user id |
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* vault_id: The id of the target vault |
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* guid: The guid of the target vault |
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* key: The shared key cyphered with the target vault RSA public key |
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* |
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* @param $target_item_id string The shared item ID |
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* @param $target_item_guid string The shared item GUID |
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* @param $request_array array |
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* @param $permissions integer Must be created with a bitmask from options on the ShareRequest class |
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* @return array Array of sharing requests |
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*/ |
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public function createBulkRequests($target_item_id, $target_item_guid, $request_array, $permissions, $credential_owner) { |
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$created = Utils::getTime(); |
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$requests = array(); |
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foreach ($request_array as $req) { |
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$t = new ShareRequest(); |
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$t->setItemId($target_item_id); |
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$t->setItemGuid($target_item_guid); |
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$t->setTargetUserId($req['user_id']); |
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$t->setTargetVaultId($req['vault_id']); |
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$t->setTargetVaultGuid($req['guid']); |
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$t->setSharedKey($req['key']); |
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$t->setPermissions($permissions); |
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$t->setCreated($created); |
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$t->setFromUserId($credential_owner); |
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array_push($requests, $this->shareRequest->createRequest($t)); |
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} |
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return $requests; |
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} |
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/** |
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* @param SharingACL $acl |
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* @return Entity |
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*/ |
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public function createACLEntry(SharingACL $acl) { |
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if ($acl->getCreated() === null) $acl->setCreated((new \DateTime())->getTimestamp()); |
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return $this->sharingACL->createACLEntry($acl); |
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} |
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/** |
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* Applies the given share, defaults to no expire |
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* |
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* @param string $item_guid |
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* @param string $target_vault_guid |
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* @param string $final_shared_key |
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* @throws DoesNotExistException |
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* @throws Exception |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function applyShare(string $item_guid, string $target_vault_guid, string $final_shared_key) { |
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$request = $this->shareRequest->getRequestByItemAndVaultGuid($item_guid, $target_vault_guid); |
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$permissions = $request->getPermissions(); |
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$acl = new SharingACL(); |
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$acl->setItemId($request->getItemId()); |
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$acl->setItemGuid($request->getItemGuid()); |
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$acl->setUserId($request->getTargetUserId()); |
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$acl->setCreated($request->getCreated()); |
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$acl->setExpire(0); |
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$acl->setPermissions($permissions); |
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$acl->setVaultId($request->getTargetVaultId()); |
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$acl->setVaultGuid($request->getTargetVaultGuid()); |
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$acl->setSharedKey($final_shared_key); |
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$this->sharingACL->createACLEntry($acl); |
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$this->shareRequest->cleanItemRequestsForUser($request->getItemId(), $request->getTargetUserId()); |
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} |
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/** |
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* Obtains pending requests for the given user ID |
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* |
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* @param string $user_id |
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* @return Entity[] |
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*/ |
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public function getUserPendingRequests(string $user_id) { |
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return $this->shareRequest->getUserPendingRequests($user_id); |
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} |
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/** |
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* Get shared credentials from a user |
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* |
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* @param string $user_id |
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* @param string $vault_guid |
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* @return array |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getSharedItems(string $user_id, string $vault_guid) { |
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$entries = $this->sharingACL->getVaultEntries($user_id, $vault_guid); |
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$return = []; |
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foreach ($entries as $entry) { |
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// Check if the user can read the credential, probably unnecesary, but just to be sure |
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if (!$entry->hasPermission(SharingACL::READ)) continue; |
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$tmp = $entry->jsonSerialize(); |
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$credential = $this->credential->getCredentialById($entry->getItemId()); |
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$credential = $this->encryptService->decryptCredential($credential); |
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$tmp['credential_data'] = $credential->jsonSerialize(); |
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if (!$entry->hasPermission(SharingACL::FILES)) unset($tmp['credential_data']['files']); |
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unset($tmp['credential_data']['shared_key']); |
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$return[] = $tmp; |
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} |
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return $return; |
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} |
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/** |
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* Gets the acl for a given item guid |
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* |
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* @param string $user_id |
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* @param string $item_guid |
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* @return Entity |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getACL(string $user_id, string $item_guid) { |
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return $this->sharingACL->getItemACL($user_id, $item_guid); |
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} |
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/** |
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* @param string $user_id |
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* @param string $item_guid |
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* @return array|mixed |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getSharedItem(string $user_id, string $item_guid) { |
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$acl = $this->sharingACL->getItemACL($user_id, $item_guid); |
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// Check if the user can read the credential, probably unnecesary, but just to be sure |
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if (!$acl->hasPermission(SharingACL::READ)) throw new DoesNotExistException("Item not found or wrong access level"); |
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$tmp = $acl->jsonSerialize(); |
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$credential = $this->credential->getCredentialById($acl->getItemId()); |
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$credential = $this->encryptService->decryptCredential($credential); |
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$tmp['credential_data'] = $credential->jsonSerialize(); |
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if (!$acl->hasPermission(SharingACL::FILES)) unset($tmp['credential_data']['files']); |
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unset($tmp['credential_data']['shared_key']); |
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return $tmp; |
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} |
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/** |
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* Gets history from the given item checking the user's permissions to access it |
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* |
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* @param string $user_id |
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* @param string $item_guid |
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* @return array|Entity[] |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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* @throws \Exception |
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*/ |
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public function getItemHistory(string $user_id, string $item_guid) { |
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$acl = $this->sharingACL->getItemACL($user_id, $item_guid); |
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if (!$acl->hasPermission(SharingACL::READ | SharingACL::HISTORY)) return []; |
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return $this->revisions->getRevisions($acl->getItemId()); |
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} |
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/** |
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* Deletes a share request by the item ID |
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* |
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* @param ShareRequest $request |
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* @return int|IResult |
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* @throws Exception |
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*/ |
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public function cleanItemRequestsForUser(ShareRequest $request) { |
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return $this->shareRequest->cleanItemRequestsForUser($request->getItemId(), $request->getTargetUserId()); |
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} |
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/** |
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* Get an share request by id |
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* |
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* @param int $id |
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* @return Entity |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getShareRequestById(int $id) { |
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return $this->shareRequest->getShareRequestById($id); |
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} |
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/** |
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* Get an share request by $item_guid and $target_vault_guid |
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* |
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* @param string $item_guid |
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* @param string $target_vault_guid |
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* @return Entity |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getRequestByGuid(string $item_guid, string $target_vault_guid) { |
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return $this->shareRequest->getRequestByItemAndVaultGuid($item_guid, $target_vault_guid); |
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} |
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/** |
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* Get the access control list by item guid |
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* |
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* @param string $item_guid |
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* @return Entity[] |
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*/ |
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public function getCredentialAclList(string $item_guid) { |
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return $this->sharingACL->getCredentialAclList($item_guid); |
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} |
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/** |
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* @param string $item_guid |
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* @return Entity[] |
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* @throws Exception |
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*/ |
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public function getCredentialPendingAclList(string $item_guid) { |
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return $this->shareRequest->getRequestsByItemGuidGroupedByUser($item_guid); |
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} |
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/** |
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* Gets the ACL on the credential for the user |
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* |
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* @param string $user_id |
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* @param string $item_guid |
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* @return Entity |
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* @throws DoesNotExistException |
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* @throws MultipleObjectsReturnedException |
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*/ |
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public function getCredentialAclForUser(string $user_id, string $item_guid) { |
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return $this->sharingACL->getItemACL($user_id, $item_guid); |
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} |
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/** |
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* Get pending share requests by guid |
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* |
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* @param string $item_guid |
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* @return Entity[] |
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*/ |
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public function getShareRequestsByGuid(string $item_guid) { |
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return $this->shareRequest->getShareRequestsByItemGuid($item_guid); |
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} |
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/** |
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* Get pending share requests by guid |
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* |
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* @param ShareRequest $request |
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* @return ShareRequest |
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*/ |
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public function deleteShareRequest(ShareRequest $request) { |
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return $this->shareRequest->deleteShareRequest($request); |
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} |
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/** |
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* Delete ACL |
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* |
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* @param SharingACL|Entity $ACL |
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* @return SharingACL|Entity |
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*/ |
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public function deleteShareACL(SharingACL $ACL) { |
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return $this->sharingACL->deleteShareACL($ACL); |
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} |
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/** |
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* Updates the given ACL entry |
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* |
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* @param SharingACL $sharingACL |
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* @return SharingACL|Entity |
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*/ |
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public function updateCredentialACL(SharingACL $sharingACL) { |
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return $this->sharingACL->updateCredentialACL($sharingACL); |
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} |
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/** |
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* @param ShareRequest $shareRequest |
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* @return ShareRequest |
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*/ |
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public function updateCredentialShareRequest(ShareRequest $shareRequest) { |
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return $this->shareRequest->updateShareRequest($shareRequest); |
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} |
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/** |
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* Get pending share requests by guid and uid |
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* |
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* @param string $item_guid |
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* @param string $user_id |
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* @return Entity[] |
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*/ |
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public function getPendingShareRequestsForCredential(string $item_guid, string $user_id) { |
355
|
|
|
return $this->shareRequest->getPendingShareRequests($item_guid, $user_id); |
356
|
|
|
} |
357
|
|
|
|
358
|
|
|
/** |
359
|
|
|
* @param string $item_guid |
360
|
|
|
* @param string $user_id |
361
|
|
|
* @param int $permissions |
362
|
|
|
* @return int|IResult |
363
|
|
|
* @throws Exception |
364
|
|
|
*/ |
365
|
|
|
public function updatePendingShareRequestsForCredential(string $item_guid, string $user_id, int $permissions) { |
366
|
|
|
return $this->shareRequest->updatePendingRequestPermissions($item_guid, $user_id, $permissions); |
367
|
|
|
} |
368
|
|
|
|
369
|
|
|
/** |
370
|
|
|
* Clean up on credential destroyed. |
371
|
|
|
* This will delete all ACL's and share requests. |
372
|
|
|
* @param string $item_guid |
373
|
|
|
*/ |
374
|
|
|
public function unshareCredential(string $item_guid) { |
375
|
|
|
$acl_list = $this->getCredentialAclList($item_guid); |
376
|
|
|
$request_list = $this->getShareRequestsByGuid($item_guid); |
377
|
|
|
foreach ($acl_list as $ACL) { |
378
|
|
|
$this->deleteShareACL($ACL); |
379
|
|
|
} |
380
|
|
|
foreach ($request_list as $request) { |
381
|
|
|
$this->deleteShareRequest($request); |
382
|
|
|
$notification = $this->IManager->createNotification(); |
383
|
|
|
$notification->setApp('passman') |
384
|
|
|
->setObject('passman_share_request', $request->getId()) |
385
|
|
|
->setUser($request->getTargetUserId()); |
386
|
|
|
$this->IManager->markProcessed($notification); |
387
|
|
|
} |
388
|
|
|
} |
389
|
|
|
} |
390
|
|
|
|