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<?php
/**
* Created by PhpStorm.
* User: wolfi
* Date: 1/10/16
* Time: 21:54
*/
namespace OCA\Passman\Service;
use Icewind\SMB\Share;
use OCA\Passman\Db\CredentialMapper;
use OCA\Passman\Db\CredentialRevision;
use OCA\Passman\Db\ShareRequest;
use OCA\Passman\Db\ShareRequestMapper;
use OCA\Passman\Db\SharingACL;
use OCA\Passman\Db\SharingACLMapper;
use OCA\Passman\Utility\Utils;
use OCP\AppFramework\Db\DoesNotExistException;
class ShareService {
private $sharingACL;
private $shareRequest;
private $credential;
private $revisions;
public function __construct(
SharingACLMapper $sharingACL,
ShareRequestMapper $shareRequest,
CredentialMapper $credentials,
CredentialRevisionService $revisions
) {
$this->sharingACL = $sharingACL;
$this->shareRequest = $shareRequest;
$this->credential = $credentials;
$this->revisions = $revisions;
}
/**
* Creates requests for all the items on the request array of objects.
* This array must follow this spec:
* user_id: The target user id
* vault_id: The id of the target vault
* guid: The guid of the target vault
* key: The shared key cyphered with the target vault RSA public key
*
* @param $target_item_id string The shared item ID
* @param $target_item_guid string The shared item GUID
* @param $request_array array
* @param $permissions integer Must be created with a bitmask from options on the ShareRequest class
* @return array Array of sharing requests
*/
public function createBulkRequests($target_item_id, $target_item_guid, $request_array, $permissions, $credential_owner) {
$created = Utils::getTime();
$requests = array();
foreach ($request_array as $req) {
$t = new ShareRequest();
$t->setItemId($target_item_id);
$t->setItemGuid($target_item_guid);
$t->setTargetUserId($req['user_id']);
$t->setTargetVaultId($req['vault_id']);
$t->setTargetVaultGuid($req['guid']);
$t->setSharedKey($req['key']);
$t->setPermissions($permissions);
$t->setCreated($created);
$t->setFromUserId($credential_owner);
array_push($requests, $this->shareRequest->createRequest($t));
}
return $requests;
}
public function createACLEntry(SharingACL $acl) {
if ($acl->getCreated() == null) $acl->setCreated((new \DateTime())->getTimestamp());
return $this->sharingACL->createACLEntry($acl);
}
/**
* Applies the given share, defaults to no expire
*
* @param $item_guid
* @param $target_vault_guid
* @param $final_shared_key
*/
public function applyShare($item_guid, $target_vault_guid, $final_shared_key) {
$request = $this->shareRequest->getRequestByItemAndVaultGuid($item_guid, $target_vault_guid);
$permissions = $request->getPermissions();
$acl = new SharingACL();
$acl->setItemId($request->getItemId());
$acl->setItemGuid($request->getItemGuid());
$acl->setUserId($request->getTargetUserId());
$acl->setCreated($request->getCreated());
$acl->setExpire(0);
$acl->setPermissions($permissions);
$acl->setVaultId($request->getTargetVaultId());
$acl->setVaultGuid($request->getTargetVaultGuid());
$acl->setSharedKey($final_shared_key);
$this->sharingACL->createACLEntry($acl);
$this->shareRequest->cleanItemRequestsForUser($request->getItemId(), $request->getTargetUserId());
}
/**
* Obtains pending requests for the given user ID
*
* @param $user_id
* @return \OCA\Passman\Db\ShareRequest[]
*/
public function getUserPendingRequests($user_id) {
return $this->shareRequest->getUserPendingRequests($user_id);
}
/**
* Get shared credentials from a user
*
* @param $user_id
* @param $vault_guid
* @return \OCA\Passman\Db\SharingACL[]
*/
public function getSharedItems($user_id, $vault_guid) {
$entries = $this->sharingACL->getVaultEntries($user_id, $vault_guid);
$return = [];
foreach ($entries as $entry) {
// Check if the user can read the credential, probably unnecesary, but just to be sure
if (!$entry->hasPermission(SharingACL::READ)) continue;
$tmp = $entry->jsonSerialize();
$tmp['credential_data'] = $this->credential->getCredentialById($entry->getItemId())->jsonSerialize();
if (!$entry->hasPermission(SharingACL::FILES)) unset($tmp['credential_data']['files']);
unset($tmp['credential_data']['shared_key']);
$return[] = $tmp;
}
return $return;
}
/**
* Gets the acl for a given item guid
* @param $user_id
* @param $item_guid
* @return SharingACL
*/
public function getACL($user_id, $item_guid) {
return $this->sharingACL->getItemACL($user_id, $item_guid);
}
public function getSharedItem($user_id, $item_guid) {
$acl = $this->sharingACL->getItemACL($user_id, $item_guid);
// Check if the user can read the credential, probably unnecesary, but just to be sure
if (!$acl->hasPermission(SharingACL::READ)) throw new DoesNotExistException("Item not found or wrong access level");
$tmp = $acl->jsonSerialize();
$tmp['credential_data'] = $this->credential->getCredentialById($acl->getItemId())->jsonSerialize();
if (!$acl->hasPermission(SharingACL::FILES)) unset($tmp['credential_data']['files']);
unset($tmp['credential_data']['shared_key']);
return $tmp;
}
/**
* Gets history from the given item checking the user's permissions to access it
*
* @param $user_id
* @param $item_guid
* @return CredentialRevision[]
*/
public function getItemHistory($user_id, $item_guid) {
$acl = $this->sharingACL->getItemACL($user_id, $item_guid);
if (!$acl->hasPermission(SharingACL::READ | SharingACL::HISTORY)) return [];
return $this->revisions->getRevisions($acl->getItemId());
}
/**
* Deletes a share request by the item ID
* @param ShareRequest $request
* @return \PDOStatement
*/
public function cleanItemRequestsForUser(ShareRequest $request) {
return $this->shareRequest->cleanItemRequestsForUser($request->getItemId(), $request->getTargetUserId());
}
/**
* Get an share request by id
* @param $id
* @return ShareRequest
*/
public function getShareRequestById($id) {
return $this->shareRequest->getShareRequestById($id);
}
/**
* Get an share request by $item_guid and $target_vault_guid
*
* @param $item_guid
* @param $target_vault_guid
* @return ShareRequest
*/
public function getRequestByGuid($item_guid, $target_vault_guid) {
return $this->shareRequest->getRequestByItemAndVaultGuid($item_guid, $target_vault_guid);
}
/**
* Get the access control list by item guid
*
* @param string $item_guid
* @return \OCA\Passman\Db\SharingACL[]
*/
public function getCredentialAclList($item_guid) {
return $this->sharingACL->getCredentialAclList($item_guid);
}
public function getCredentialPendingAclList($item_guid) {
return $this->shareRequest->getRequestsByItemGuid($item_guid);
}
/**
* Gets the ACL on the credential for the user
*
* @param $user_id
* @param $item_guid
* @return SharingACL
*/
public function getCredentialAclForUser($user_id, $item_guid) {
return $this->sharingACL->getItemACL($user_id, $item_guid);
}
/**
* Get pending share requests by guid
*
* @param string $item_guid
* @return \OCA\Passman\Db\ShareRequest[]
*/
public function getShareRequestsByGuid($item_guid) {
return $this->shareRequest->getShareRequestsByItemGuid($item_guid);
}
/**
* Get pending share requests by guid
*
* @param ShareRequest $request
* @return ShareRequest
*/
public function deleteShareRequest(ShareRequest $request) {
return $this->shareRequest->deleteShareRequest($request);
}
/**
* Delete ACL
*
* @param ShareRequest $request
* @return \OCA\Passman\Db\ShareRequest[]
*/
public function deleteShareACL(SharingACL $ACL) {
return $this->sharingACL->deleteShareACL($ACL);
}
/**
* Updates the given ACL entry
* @param SharingACL $sharingACL
* @return SharingACL
*/
public function updateCredentialACL(SharingACL $sharingACL) {
return $this->sharingACL->updateCredentialACL($sharingACL);
}
public function updateCredentialShareRequest(ShareRequest $shareRequest) {
return $this->shareRequest->updateShareRequest($shareRequest);
}
/**
* Get pending share requests by guid and uid
*
* @param ShareRequest $request
* @return \OCA\Passman\Db\ShareRequest[]
*/
public function getPendingShareRequestsForCredential($item_guid, $user_id) {
return $this->shareRequest->getPendingShareRequests($item_guid, $user_id);
}
public function updatePendingShareRequestsForCredential($item_guid, $user_id, $permissions){
return $this->shareRequest->updatePendinRequestPermissions($item_guid, $user_id, $permissions);
}
}
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