Migrate PermissionSet to Depository paradigm

src/BaseDepository.php

@@ -13,7 +13,7 @@ use Psr\Log\LoggerInterface;
  * Depositories are meant to store and retrieve Entities from the database.
  *
  * The reason why there are methods prefixed with an underscore is because PHP doesn't support generic polymorphism
- * which means we can't direcly overload base methods and make parameters more strict (from a parent class to a child
+ * which means we can't directly overload base methods and make parameters more strict (from a parent class to a child
  * class for example)
  *
  * Similarly, we can't make an overloaded method return type more strict until we only support PHP version 7.4 but this

src/Capabilities/ICanCreateFromTableRow.php

@@ -7,7 +7,7 @@ use Friendica\BaseEntity;
 interface ICanCreateFromTableRow
 {
 	/**
-	 * Returns the correcponding Entity given a table row record
+	 * Returns the corresponding Entity given a table row record
 	 *
 	 * @param array $row
 	 * @return BaseEntity

src/Collection/PermissionSets.php

@@ -1,29 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
-namespace Friendica\Collection;
-
-use Friendica\BaseCollection;
-
-class PermissionSets extends BaseCollection
-{
-
-}

src/Core/UserImport.php

@@ -21,14 +21,12 @@
 
 namespace Friendica\Core;
 
-use Friendica\App;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
 use Friendica\DI;
-use Friendica\Model\Contact;
 use Friendica\Model\Photo;
 use Friendica\Object\Image;
-use Friendica\Repository\PermissionSet;
+use Friendica\Security\PermissionSet\Depository\PermissionSet;
 use Friendica\Util\Strings;
 use Friendica\Worker\Delivery;
 
@@ -283,16 +281,13 @@ class UserImport
 			DI::profileField()->migrateFromLegacyProfile($profile);
 		}
 
-		///@TODO Replace with permissionset import
+		$permissionSet = DI::permissionSet()->selectDefaultForUser($newuid);
-		$self_contact = Contact::selectFirst(['id'], ['uid' => $newuid, 'self' => true]);
-		$allow_cid = DI::aclFormatter()->toString($self_contact['id']);
-		$self_psid = DI::permissionSet()->getIdFromACL($newuid, $allow_cid);
 
 		foreach ($account['profile_fields'] ?? [] as $profile_field) {
 			$profile_field['uid'] = $newuid;
 
 			///@TODO Replace with permissionset import
-			$profile_field['psid'] = $profile_field['psid'] ? $self_psid : PermissionSet::PUBLIC;
+			$profile_field['psid'] = $profile_field['psid'] ? $permissionSet->uid : PermissionSet::PUBLIC;
 
 			if (self::dbImportAssoc('profile_field', $profile_field) === false) {
 				Logger::info("uimport:insert profile field " . $profile_field['id'] . " : ERROR : " . DBA::errorMessage());

src/DI.php

@@ -22,6 +22,7 @@
 namespace Friendica;
 
 use Dice\Dice;
+use Friendica\Security\PermissionSet\Depository\PermissionSet;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -443,11 +444,19 @@ abstract class DI
 	}
 
 	/**
-	 * @return Repository\PermissionSet
+	 * @return PermissionSet
 	 */
 	public static function permissionSet()
 	{
-		return self::$dice->create(Repository\PermissionSet::class);
+		return self::$dice->create(PermissionSet::class);
+	}
+
+	/**
+	 * @return \Friendica\Security\PermissionSet\Factory\PermissionSet
+	 */
+	public static function permissionSetFactory()
+	{
+		return self::$dice->create(\Friendica\Security\PermissionSet\Factory\PermissionSet::class);
 	}
 
 	/**

src/Factory/Api/Mastodon/Account.php

@@ -27,8 +27,8 @@ use Friendica\Collection\Api\Mastodon\Fields;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
 use Friendica\Network\HTTPException;
-use Friendica\Repository\PermissionSet;
 use Friendica\Repository\ProfileField;
+use Friendica\Security\PermissionSet\Depository\PermissionSet;
 use ImagickException;
 use Psr\Log\LoggerInterface;
 

src/Model/Item.php

@@ -980,13 +980,14 @@ class Item
 		}
 
 		// Creates or assigns the permission set
-		$item['psid'] = PermissionSet::getIdFromACL(
+		$item['psid'] = DI::permissionSet()->selectOrCreate(
+			DI::permissionSetFactory()->createFromString(
 				$item['uid'],
 				$item['allow_cid'],
 				$item['allow_gid'],
 				$item['deny_cid'],
 				$item['deny_gid']
-		);
+		))->id;
 
 		if (!empty($item['extid'])) {
 			$item['external-id'] = ItemURI::getIdByURI($item['extid']);
@@ -1952,18 +1953,19 @@ class Item
 			$private = self::PUBLIC;
 		}
 
-		$psid = PermissionSet::getIdFromACL(
+		$permissionSet = DI::permissionSet()->selectOrCreate(
+			DI::permissionSetFactory()->createFromString(
 				$user['uid'],
 				$user['allow_cid'],
 				$user['allow_gid'],
 				$user['deny_cid'],
 				$user['deny_gid']
-		);
+			));
 
 		$forum_mode = ($prvgroup ? 2 : 1);
 
 		$fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
-			'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
+			'owner-id' => $owner_id, 'private' => $private, 'psid' => $permissionSet->id];
 		self::update($fields, ['id' => $item['id']]);
 
 		Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, (int)$item['uri-id'], (int)$item['uid']);
@@ -2549,12 +2551,12 @@ class Item
 			$condition = [];
 		} elseif ($remote_user) {
 			 // Authenticated visitor - fetch the matching permissionsets
-			$set = PermissionSet::get($owner_id, $remote_user);
+			$permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
 			if (!empty($set)) {
 				$condition = ["(`private` != ? OR (`private` = ? AND `wall`
 					AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
 					self::PRIVATE, self::PRIVATE];
-				$condition = array_merge($condition, $set);
+				$condition = array_merge($condition, $permissionSets->column('id'));
 			}
 		}
 
@@ -2595,10 +2597,10 @@ class Item
 			 * If pre-verified, the caller is expected to have already
 			 * done this and passed the groups into this function.
 			 */
-			$set = PermissionSet::get($owner_id, $remote_user);
+			$permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
 
 			if (!empty($set)) {
-				$sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
+				$sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
 			} else {
 				$sql_set = '';
 			}

src/Model/PermissionSet.php

@@ -1,78 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
-namespace Friendica\Model;
-
-use Friendica\BaseModel;
-use Friendica\DI;
-
-/**
- * functions for interacting with the permission set of an object (item, photo, event, ...)
- *
- * @property int uid
- * @property string allow_cid
- * @property string allow_gid
- * @property string deny_cid
- * @property string deny_gid
- */
-class PermissionSet extends BaseModel
-{
-	/**
-	 * Fetch the id of a given permission set. Generate a new one when needed
-	 *
-	 * @param int         $uid
-	 * @param string|null $allow_cid Allowed contact IDs    - empty = everyone
-	 * @param string|null $allow_gid Allowed group IDs      - empty = everyone
-	 * @param string|null $deny_cid  Disallowed contact IDs - empty = no one
-	 * @param string|null $deny_gid  Disallowed group IDs   - empty = no one
-	 * @return int id
-	 * @throws \Exception
-	 * @deprecated since 2020.03, use Repository\PermissionSet instead
-	 * @see \Friendica\Repository\PermissionSet->getIdFromACL
-	 */
-	public static function getIdFromACL(
-		int $uid,
-		string $allow_cid = null,
-		string $allow_gid = null,
-		string $deny_cid = null,
-		string $deny_gid = null
-	) {
-		return DI::permissionSet()->getIdFromACL($uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
-	}
-
-	/**
-	 * Returns a permission set for a given contact
-	 *
-	 * @param integer $uid        User id whom the items belong
-	 * @param integer $contact_id Contact id of the visitor
-	 *
-	 * @return array of permission set ids.
-	 * @throws \Exception
-	 * @deprecated since 2020.03, use Repository\PermissionSet instead
-	 * @see \Friendica\Repository\PermissionSet->selectByContactId
-	 */
-	public static function get($uid, $contact_id)
-	{
-		$permissionSets = DI::permissionSet()->selectByContactId($contact_id, $uid);
-
-		return $permissionSets->column('id');
-	}
-}

src/Model/ProfileField.php

@@ -23,7 +23,7 @@ namespace Friendica\Model;
 
 use Friendica\BaseModel;
 use Friendica\Database\Database;
-use Friendica\Network\HTTPException;
+use Friendica\Security\PermissionSet\Entity\PermissionSet;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -46,14 +46,14 @@ class ProfileField extends BaseModel
 	/** @var PermissionSet */
 	private $permissionset;
 
-	/** @var \Friendica\Repository\PermissionSet */
+	/** @var \Friendica\Security\PermissionSet\Depository\PermissionSet */
-	private $permissionSetRepository;
+	private $permissionSetDepository;
 
-	public function __construct(Database $dba, LoggerInterface $logger, \Friendica\Repository\PermissionSet $permissionSetRepository, array $data = [])
+	public function __construct(Database $dba, LoggerInterface $logger,\Friendica\Security\PermissionSet\Depository\PermissionSet $permissionSetDepository, array $data = [])
 	{
 		parent::__construct($dba, $logger, $data);
 
-		$this->permissionSetRepository = $permissionSetRepository;
+		$this->permissionSetDepository = $permissionSetDepository;
 	}
 
 	public function __get($name)
@@ -62,9 +62,7 @@ class ProfileField extends BaseModel
 
 		switch ($name) {
 			case 'permissionset':
-				$this->permissionset =
+				$this->permissionset = $this->permissionset ?? $this->permissionSetDepository->selectOneById($this->psid);
-					$this->permissionset ??
-						$this->permissionSetRepository->selectFirst(['id' => $this->psid, 'uid' => $this->uid]);
 
 				$return = $this->permissionset;
 				break;

src/Module/ActivityPub/Objects.php

@@ -86,7 +86,7 @@ class Objects extends BaseModule
 					$permissionSets = DI::permissionSet()->selectByContactId($requester_id, $item['uid']);
 					if (!empty($permissionSets)) {
 						$psid = array_merge($permissionSets->column('id'),
-							[DI::permissionSet()->getIdFromACL($item['uid'], '', '', '', '')]);
+							[DI::permissionSet()->selectEmptyForUser($item['uid'])]);
 						$validated = in_array($item['psid'], $psid);
 					}
 				}

src/Module/Api/Friendica/Profile/Show.php

@@ -28,7 +28,7 @@ use Friendica\Model\Contact;
 use Friendica\Model\Profile;
 use Friendica\Module\BaseApi;
 use Friendica\Network\HTTPException;
-use Friendica\Repository\PermissionSet;
+use Friendica\Security\PermissionSet\Depository\PermissionSet;
 
 /**
  * API endpoint: /api/friendica/profile/show

src/Module/PermissionTooltip.php

@@ -39,7 +39,7 @@ class PermissionTooltip extends \Friendica\BaseModule
 		}
 
 		if (isset($model['psid'])) {
-			$permissionSet = DI::permissionSet()->selectFirst(['id' => $model['psid']]);
+			$permissionSet = DI::permissionSet()->selectOneById($model['psid']);
 			$model['allow_cid'] = $permissionSet->allow_cid;
 			$model['allow_gid'] = $permissionSet->allow_gid;
 			$model['deny_cid']  = $permissionSet->deny_cid;
@@ -61,12 +61,10 @@ class PermissionTooltip extends \Friendica\BaseModule
 			exit;
 		}
 
-		$aclFormatter = DI::aclFormatter();
+		$allowed_users  = $model['allow_cid'];
-
+		$allowed_groups = $model['allow_gid'];
-		$allowed_users  = $aclFormatter->expand($model['allow_cid']);
+		$deny_users     = $model['deny_cid'];
-		$allowed_groups = $aclFormatter->expand($model['allow_gid']);
+		$deny_groups    = $model['deny_gid'];
-		$deny_users     = $aclFormatter->expand($model['deny_cid']);
-		$deny_groups    = $aclFormatter->expand($model['deny_gid']);
 
 		$o = DI::l10n()->t('Visible to:') . '<br />';
 		$l = [];

src/Module/Profile/Status.php

@@ -213,7 +213,7 @@ class Status extends BaseProfile
 				$permissionSets = DI::permissionSet()->selectByContactId($remote_user, $profile['uid']);
 				if (!empty($permissionSets)) {
 					$condition = ['psid' => array_merge($permissionSets->column('id'),
-							[DI::permissionSet()->getIdFromACL($profile['uid'], '', '', '', '')])];
+							[DI::permissionSet()->selectEmptyForUser($profile['uid'])])];
 				}
 			} elseif ($profile['uid'] == local_user()) {
 				$condition = [];

src/Module/Settings/Profile/Index.php

@@ -28,6 +28,7 @@ use Friendica\Core\Renderer;
 use Friendica\Core\Theme;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\Contact;
 use Friendica\Model\Profile;
 use Friendica\Model\ProfileField;
 use Friendica\Model\User;
@@ -161,7 +162,9 @@ class Index extends BaseSettings
 		$profileFields = DI::profileField()->selectByUserId(local_user());
 		foreach ($profileFields as $profileField) {
 			/** @var ProfileField $profileField */
-			$defaultPermissions = ACL::getDefaultUserPermissions($profileField->permissionset->toArray());
+			$defaultPermissions = $profileField->permissionset->withAllowedContacts(
+				Contact::pruneUnavailable($profileField->permissionset->allow_cid)
+			);
 
 			$custom_fields[] = [
 				'id' => $profileField->id,
@@ -173,7 +176,7 @@ class Index extends BaseSettings
 						DI::page(),
 						$a->getLoggedInUserId(),
 						false,
-						$defaultPermissions,
+						$defaultPermissions->toArray(),
 						['network' => Protocol::DFRN],
 						'profile_field[' . $profileField->id . ']'
 					),

src/Protocol/ActivityPub/Transmitter.php

@@ -242,7 +242,7 @@ class Transmitter
 				$permissionSets = DI::permissionSet()->selectByContactId($requester_id, $owner['uid']);
 				if (!empty($permissionSets)) {
 					$condition = ['psid' => array_merge($permissionSets->column('id'),
-							[DI::permissionSet()->getIdFromACL($owner['uid'], '', '', '', '')])];
+							[DI::permissionSet()->selectEmptyForUser($owner['uid'])])];
 				}
 			}
 		}

src/Repository/PermissionSet.php

@@ -1,197 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
-namespace Friendica\Repository;
-
-use Friendica\BaseRepository;
-use Friendica\Collection;
-use Friendica\Database\Database;
-use Friendica\Model;
-use Friendica\Network\HTTPException;
-use Friendica\Util\ACLFormatter;
-use Psr\Log\LoggerInterface;
-
-class PermissionSet extends BaseRepository
-{
-	/** @var int Virtual permission set id for public permission */
-	const PUBLIC = 0;
-
-	protected static $table_name = 'permissionset';
-
-	protected static $model_class = Model\PermissionSet::class;
-
-	protected static $collection_class = Collection\PermissionSets::class;
-
-	/** @var ACLFormatter */
-	private $aclFormatter;
-
-	public function __construct(Database $dba, LoggerInterface $logger, ACLFormatter $aclFormatter)
-	{
-		parent::__construct($dba, $logger);
-
-		$this->aclFormatter = $aclFormatter;
-	}
-
-	/**
-	 * @param array $data
-	 * @return Model\PermissionSet
-	 */
-	protected function create(array $data)
-	{
-		return new Model\PermissionSet($this->dba, $this->logger, $data);
-	}
-
-	/**
-	 * @param array $condition
-	 * @return Model\PermissionSet
-	 * @throws \Friendica\Network\HTTPException\NotFoundException
-	 */
-	public function selectFirst(array $condition)
-	{
-		if (isset($condition['id']) && !$condition['id']) {
-			return $this->create([
-				'id' => self::PUBLIC,
-				'uid' => $condition['uid'] ?? 0,
-				'allow_cid' => '',
-				'allow_gid' => '',
-				'deny_cid' => '',
-				'deny_gid' => '',
-			]);
-		}
-
-		return parent::selectFirst($condition);
-	}
-
-	/**
-	 * @param array $condition
-	 * @param array $params
-	 * @return Collection\PermissionSets
-	 * @throws \Exception
-	 */
-	public function select(array $condition = [], array $params = [])
-	{
-		return parent::select($condition, $params);
-	}
-
-	/**
-	 * @param array    $condition
-	 * @param array    $params
-	 * @param int|null $min_id
-	 * @param int|null $max_id
-	 * @param int      $limit
-	 * @return Collection\PermissionSets
-	 * @throws \Exception
-	 */
-	public function selectByBoundaries(array $condition = [], array $params = [], int $min_id = null, int $max_id = null, int $limit = self::LIMIT)
-	{
-		return parent::selectByBoundaries($condition, $params, $min_id, $max_id, $limit);
-	}
-
-	/**
-	 * Fetch the id of a given permission set. Generate a new one when needed
-	 *
-	 * @param int         $uid
-	 * @param string|null $allow_cid Allowed contact IDs    - empty = everyone
-	 * @param string|null $allow_gid Allowed group IDs      - empty = everyone
-	 * @param string|null $deny_cid  Disallowed contact IDs - empty = no one
-	 * @param string|null $deny_gid  Disallowed group IDs   - empty = no one
-	 * @return int id
-	 * @throws \Exception
-	 */
-	public function getIdFromACL(
-		int $uid,
-		string $allow_cid = null,
-		string $allow_gid = null,
-		string $deny_cid = null,
-		string $deny_gid = null
-	) {
-		$allow_cid = $this->aclFormatter->sanitize($allow_cid);
-		$allow_gid = $this->aclFormatter->sanitize($allow_gid);
-		$deny_cid = $this->aclFormatter->sanitize($deny_cid);
-		$deny_gid = $this->aclFormatter->sanitize($deny_gid);
-
-		// Public permission
-		if (!$allow_cid && !$allow_gid && !$deny_cid && !$deny_gid) {
-			return self::PUBLIC;
-		}
-
-		$condition = [
-			'uid' => $uid,
-			'allow_cid' => $allow_cid,
-			'allow_gid' => $allow_gid,
-			'deny_cid'  => $deny_cid,
-			'deny_gid'  => $deny_gid
-		];
-
-		try {
-			$permissionset = $this->selectFirst($condition);
-		} catch(HTTPException\NotFoundException $exception) {
-			$permissionset = $this->insert($condition);
-		}
-
-		return $permissionset->id;
-	}
-
-	/**
-	 * Returns a permission set collection for a given contact
-	 *
-	 * @param integer $contact_id Contact id of the visitor
-	 * @param integer $uid        User id whom the items belong, used for ownership check.
-	 *
-	 * @return Collection\PermissionSets
-	 * @throws \Exception
-	 */
-	public function selectByContactId($contact_id, $uid)
-	{
-		$cdata = Model\Contact::getPublicAndUserContactID($contact_id, $uid);
-		if (!empty($cdata)) {
-			$public_contact_str = '<' . $cdata['public'] . '>';
-			$user_contact_str = '<' . $cdata['user'] . '>';
-			$contact_id = $cdata['user'];
-		} else {
-			$public_contact_str = '<' . $contact_id . '>';
-			$user_contact_str = '';
-		}
-
-		$groups = [];
-		if (!empty($user_contact_str) && $this->dba->exists('contact', ['id' => $contact_id, 'uid' => $uid, 'blocked' => false])) {
-			$groups = Model\Group::getIdsByContactId($contact_id);
-		}
-
-		$group_str = '<<>>'; // should be impossible to match
-		foreach ($groups as $group_id) {
-			$group_str .= '|<' . preg_quote($group_id) . '>';
-		}
-
-		if (!empty($user_contact_str)) {
-			$condition = ["`uid` = ? AND (NOT (`deny_cid` REGEXP ? OR `deny_cid` REGEXP ? OR deny_gid REGEXP ?)
-				AND (allow_cid REGEXP ? OR allow_cid REGEXP ? OR allow_gid REGEXP ? OR (allow_cid = '' AND allow_gid = '')))",
-				$uid, $user_contact_str, $public_contact_str, $group_str,
-				$user_contact_str, $public_contact_str, $group_str];
-		} else {
-			$condition = ["`uid` = ? AND (NOT (`deny_cid` REGEXP ? OR deny_gid REGEXP ?)
-				AND (allow_cid REGEXP ? OR allow_gid REGEXP ? OR (allow_cid = '' AND allow_gid = '')))",
-				$uid, $public_contact_str, $group_str, $public_contact_str, $group_str];
-		}
-
-		return $this->select($condition);
-	}
-}

src/Repository/ProfileField.php

@@ -28,7 +28,7 @@ use Friendica\Core\L10n;
 use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\Model;
-use Friendica\Util\ACLFormatter;
+use Friendica\Security\PermissionSet\Depository\PermissionSet;
 use Friendica\Util\DateTimeFormat;
 use Psr\Log\LoggerInterface;
 
@@ -42,17 +42,17 @@ class ProfileField extends BaseRepository
 
 	/** @var PermissionSet */
 	private $permissionSet;
-	/** @var ACLFormatter */
+	/** @var \Friendica\Security\PermissionSet\Factory\PermissionSet */
-	private $aclFormatter;
+	private $permissionSetFactory;
 	/** @var L10n */
 	private $l10n;
 
-	public function __construct(Database $dba, LoggerInterface $logger, PermissionSet $permissionSet, ACLFormatter $aclFormatter, L10n $l10n)
+	public function __construct(Database $dba, LoggerInterface $logger, PermissionSet $permissionSet, \Friendica\Security\PermissionSet\Factory\PermissionSet $permissionSetFactory, L10n $l10n)
 	{
 		parent::__construct($dba, $logger);
 
 		$this->permissionSet        = $permissionSet;
-		$this->aclFormatter = $aclFormatter;
+		$this->permissionSetFactory = $permissionSetFactory;
 		$this->l10n                 = $l10n;
 	}
 
@@ -176,13 +176,13 @@ class ProfileField extends BaseRepository
 
 		// Creation of the new field
 		if (!empty($profileFieldInputs['new']['label'])) {
-			$psid = $this->permissionSet->getIdFromACL(
+			$psid = $this->permissionSet->selectOrCreate($this->permissionSetFactory->createFromString(
 				$uid,
-				$this->aclFormatter->toString($profileFieldInputs['new']['contact_allow'] ?? ''),
+				$profileFieldInputs['new']['contact_allow'] ?? '',
-				$this->aclFormatter->toString($profileFieldInputs['new']['group_allow'] ?? ''),
+				$profileFieldInputs['new']['group_allow'] ?? '',
-				$this->aclFormatter->toString($profileFieldInputs['new']['contact_deny'] ?? ''),
+				$profileFieldInputs['new']['contact_deny'] ?? '',
-				$this->aclFormatter->toString($profileFieldInputs['new']['group_deny'] ?? '')
+				$profileFieldInputs['new']['group_deny'] ?? ''
-			);
+			))->id;
 
 			$newProfileField = $this->insert([
 				'uid'   => $uid,
@@ -220,13 +220,13 @@ class ProfileField extends BaseRepository
 		// Update existing profile fields from form values
 		$profileFields = $profileFields->map(function (Model\ProfileField $profileField) use ($uid, &$profileFieldInputs, &$profileFieldOrder) {
 			if (isset($profileFieldInputs[$profileField->id]) && isset($profileFieldOrder[$profileField->id])) {
-				$psid = $this->permissionSet->getIdFromACL(
+				$psid = $this->permissionSet->selectOrCreate($this->permissionSetFactory->createFromString(
 					$uid,
-					$this->aclFormatter->toString($profileFieldInputs[$profileField->id]['contact_allow'] ?? ''),
+					$profileFieldInputs[$profileField->id]['contact_allow'] ?? '',
-					$this->aclFormatter->toString($profileFieldInputs[$profileField->id]['group_allow'] ?? ''),
+					$profileFieldInputs[$profileField->id]['group_allow'] ?? '',
-					$this->aclFormatter->toString($profileFieldInputs[$profileField->id]['contact_deny'] ?? ''),
+					$profileFieldInputs[$profileField->id]['contact_deny'] ?? '',
-					$this->aclFormatter->toString($profileFieldInputs[$profileField->id]['group_deny'] ?? '')
+					$profileFieldInputs[$profileField->id]['group_deny'] ?? ''
-				);
+				))->id;
 
 				$profileField->psid = $psid;
 				$profileField->label = $profileFieldInputs[$profileField->id]['label'];
@@ -257,17 +257,22 @@ class ProfileField extends BaseRepository
 			return;
 		}
 
+		$contacts = [];
+
 		if (!$profile['is-default']) {
 			$contacts = Model\Contact::selectToArray(['id'], ['uid' => $profile['uid'], 'profile-id' => $profile['id']]);
 			if (!count($contacts)) {
 				// No contact visibility selected defaults to user-only permission
 				$contacts = Model\Contact::selectToArray(['id'], ['uid' => $profile['uid'], 'self' => true]);
 			}
-
-			$allow_cid = $this->aclFormatter->toString(array_column($contacts, 'id'));
 		}
 
-		$psid = $this->permissionSet->getIdFromACL($profile['uid'], $allow_cid ?? '');
+		$psid = $this->permissionSet->selectOrCreate(
+			new \Friendica\Security\PermissionSet\Entity\PermissionSet(
+				$profile['uid'],
+				array_column($contacts, 'id') ?? []
+			)
+		)->id;
 
 		$order = 1;
 

src/Security/PermissionSet/Collection/PermissionSets.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Friendica\Security\PermissionSet\Collection;
+
+use Friendica\BaseCollection;
+
+class PermissionSets extends BaseCollection
+{
+
+}

src/Security/PermissionSet/Depository/PermissionSet.php

@@ -0,0 +1,210 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Security\PermissionSet\Depository;
+
+use Exception;
+use Friendica\BaseDepository;
+use Friendica\Database\Database;
+use Friendica\Model\Contact;
+use Friendica\Model\Group;
+use Friendica\Network\HTTPException\NotFoundException;
+use Friendica\Security\PermissionSet\Factory;
+use Friendica\Security\PermissionSet\Collection;
+use Friendica\Security\PermissionSet\Entity;
+use Friendica\Util\ACLFormatter;
+use Psr\Log\LoggerInterface;
+
+class PermissionSet extends BaseDepository
+{
+	/** @var int Virtual permission set id for public permission */
+	const PUBLIC = 0;
+
+	/** @var Factory\PermissionSet */
+	protected $factory;
+
+	protected static $table_name = 'permissionset';
+
+	/** @var ACLFormatter */
+	private $aclFormatter;
+
+	public function __construct(Database $database, LoggerInterface $logger, Factory\PermissionSet $factory, ACLFormatter $aclFormatter)
+	{
+		parent::__construct($database, $logger, $factory);
+
+		$this->aclFormatter = $aclFormatter;
+	}
+
+	/**
+	 * @param array $condition
+	 * @param array $params
+	 *
+	 * @return Entity\PermissionSet
+	 * @throws NotFoundException
+	 */
+	private function selectOne(array $condition, array $params = []): Entity\PermissionSet
+	{
+		return parent::_selectOne($condition, $params);
+	}
+
+	private function select(array $condition, array $params = []): Collection\PermissionSets
+	{
+		return new Collection\PermissionSets(parent::_select($condition, $params)->getArrayCopy());
+	}
+
+	/**
+	 * @param int $id
+	 *
+	 * @return Entity\PermissionSet
+	 * @throws NotFoundException
+	 */
+	public function selectOneById(int $id): Entity\PermissionSet
+	{
+		return $this->selectOne(['id' => $id]);
+	}
+
+	/**
+	 * Returns a permission set collection for a given contact
+	 *
+	 * @param int $cid Contact id of the visitor
+	 * @param int $uid User id whom the items belong, used for ownership check.
+	 *
+	 * @return Collection\PermissionSets
+	 */
+	public function selectByContactId(int $cid, int $uid): Collection\PermissionSets
+	{
+		$cdata = Contact::getPublicAndUserContactID($cid, $uid);
+		if (!empty($cdata)) {
+			$public_contact_str = $this->aclFormatter->toString($cdata['public']);
+			$user_contact_str   = $this->aclFormatter->toString($cdata['user']);
+			$cid                = $cdata['user'];
+		} else {
+			$public_contact_str = $this->aclFormatter->toString($cid);
+			$user_contact_str   = '';
+		}
+
+		$groups = [];
+		if (!empty($user_contact_str) && $this->db->exists('contact', [
+			'id' => $cid,
+			'uid' => $uid,
+			'blocked' => false
+		])) {
+			$groups = Group::getIdsByContactId($cid);
+		}
+
+		$group_str = '<<>>'; // should be impossible to match
+		foreach ($groups as $group_id) {
+			$group_str .= '|<' . preg_quote($group_id) . '>';
+		}
+
+		if (!empty($user_contact_str)) {
+			$condition = ["`uid` = ? AND (NOT (`deny_cid` REGEXP ? OR `deny_cid` REGEXP ? OR deny_gid REGEXP ?)
+				AND (allow_cid REGEXP ? OR allow_cid REGEXP ? OR allow_gid REGEXP ? OR (allow_cid = '' AND allow_gid = '')))",
+				$uid, $user_contact_str, $public_contact_str, $group_str,
+				$user_contact_str, $public_contact_str, $group_str];
+		} else {
+			$condition = ["`uid` = ? AND (NOT (`deny_cid` REGEXP ? OR deny_gid REGEXP ?)
+				AND (allow_cid REGEXP ? OR allow_gid REGEXP ? OR (allow_cid = '' AND allow_gid = '')))",
+				$uid, $public_contact_str, $group_str, $public_contact_str, $group_str];
+		}
+
+		return $this->select($condition);
+	}
+
+	/**
+	 * Fetch the default PermissionSet for a given user, create it if it doesn't exist
+	 *
+	 * @param int $uid
+	 *
+	 * @return Entity\PermissionSet
+	 * @throws Exception
+	 */
+	public function selectDefaultForUser(int $uid): Entity\PermissionSet
+	{
+		$self_contact = Contact::selectFirst(['id'], ['uid' => $uid, 'self' => true]);
+
+		return $this->selectOrCreate($this->factory->createFromString(
+			$uid,
+			$this->aclFormatter->toString($self_contact['id'])
+		));
+	}
+
+	/**
+	 * Fetch the empty PermissionSet for a given user, create it if it doesn't exist
+	 *
+	 * @param int $uid
+	 *
+	 * @return Entity\PermissionSet
+	 */
+	public function selectEmptyForUser(int $uid): Entity\PermissionSet
+	{
+		return $this->selectOrCreate($this->factory->createFromString($uid));
+	}
+
+	/**
+	 * Selects or creates a PermissionSet based on it's fields
+	 *
+	 * @param Entity\PermissionSet $permissionSet
+	 *
+	 * @return Entity\PermissionSet
+	 */
+	public function selectOrCreate(Entity\PermissionSet $permissionSet): Entity\PermissionSet
+	{
+		if ($permissionSet->id) {
+			return $permissionSet;
+		}
+
+		$fields = [
+			'uid'       => $permissionSet->uid,
+			'allow_cid' => $this->aclFormatter->toString($permissionSet->allow_cid),
+			'allow_gid' => $this->aclFormatter->toString($permissionSet->allow_gid),
+			'deny_cid'  => $this->aclFormatter->toString($permissionSet->deny_cid),
+			'deny_gid'  => $this->aclFormatter->toString($permissionSet->deny_gid),
+		];
+
+		try {
+			return $this->selectOne($fields);
+		} catch (NotFoundException $exception) {
+			return $this->save($permissionSet);
+		}
+	}
+
+	public function save(Entity\PermissionSet $permissionSet): Entity\PermissionSet
+	{
+		$fields = [
+			'uid'       => $permissionSet->uid,
+			'allow_cid' => $this->aclFormatter->toString($permissionSet->allow_cid),
+			'allow_gid' => $this->aclFormatter->toString($permissionSet->allow_gid),
+			'deny_cid'  => $this->aclFormatter->toString($permissionSet->deny_cid),
+			'deny_gid'  => $this->aclFormatter->toString($permissionSet->deny_gid),
+		];
+
+		if ($permissionSet->id) {
+			$this->db->update(self::$table_name, $fields, ['id' => $permissionSet->id]);
+		} else {
+			$this->db->insert(self::$table_name, $fields);
+
+			$permissionSet = $this->selectOneById($this->db->lastInsertId());
+		}
+
+		return $permissionSet;
+	}
+}

src/Security/PermissionSet/Entity/PermissionSet.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Friendica\Security\PermissionSet\Entity;
+
+use Friendica\BaseEntity;
+
+/**
+ * @property-read int|null $id
+ * @property-read int      $uid
+ * @property-read string[] $allow_cid
+ * @property-read string[] $allow_gid
+ * @property-read string[] $deny_cid
+ * @property-read string[] $deny_gid
+ */
+class PermissionSet extends BaseEntity
+{
+	/** @var int|null */
+	protected $id;
+	/** @var int */
+	protected $uid;
+	/** @var string[] */
+	protected $allow_cid;
+	/** @var string[] */
+	protected $allow_gid;
+	/** @var string[] */
+	protected $deny_cid;
+	/** @var string[] */
+	protected $deny_gid;
+
+	/**
+	 * @param int|null $id
+	 * @param int      $uid
+	 * @param string[] $allow_cid
+	 * @param string[] $allow_gid
+	 * @param string[] $deny_cid
+	 * @param string[] $deny_gid
+	 *
+	 * @see \Friendica\Security\PermissionSet\Factory\PermissionSet
+	 */
+	public function __construct(int $uid, array $allow_cid = [], array $allow_gid = [], array $deny_cid = [], array $deny_gid = [], int $id = null)
+	{
+		$this->id        = $id;
+		$this->uid       = $uid;
+		$this->allow_cid = $allow_cid;
+		$this->allow_gid = $allow_gid;
+		$this->deny_cid  = $deny_cid;
+		$this->deny_gid  = $deny_gid;
+	}
+
+	/**
+	 * Creates a new Entity with a new allowed_cid list (wipes the id because it isn't the same entity anymore)
+	 *
+	 * @param array $allow_cid
+	 *
+	 * @return $this
+	 */
+	public function withAllowedContacts(array $allow_cid): PermissionSet
+	{
+		$clone = clone $this;
+
+		$clone->allow_cid = $allow_cid;
+		$clone->id        = null;
+
+		return $clone;
+	}
+}

src/Security/PermissionSet/Factory/PermissionSet.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Friendica\Security\PermissionSet\Factory;
+
+use Friendica\BaseFactory;
+use Friendica\Capabilities\ICanCreateFromTableRow;
+use Friendica\Security\PermissionSet\Entity;
+use Friendica\Util\ACLFormatter;
+use Psr\Log\LoggerInterface;
+
+class PermissionSet extends BaseFactory implements ICanCreateFromTableRow
+{
+	/** @var ACLFormatter */
+	protected $formatter;
+
+	public function __construct(LoggerInterface $logger, ACLFormatter $formatter)
+	{
+		parent::__construct($logger);
+
+		$this->formatter = $formatter;
+	}
+
+	public function createFromTableRow(array $row): Entity\PermissionSet
+	{
+		return new Entity\PermissionSet(
+			$row['uid'],
+			$this->formatter->expand($row['allow_cid'] ?? []),
+			$this->formatter->expand($row['allow_gid'] ?? []),
+			$this->formatter->expand($row['deny_cid'] ?? []),
+			$this->formatter->expand($row['deny_gid'] ?? []),
+			$row['id'] ?? null
+		);
+	}
+
+	public function createFromString(
+		int $uid,
+		string $allow_cid = '',
+		string $allow_gid = '',
+		string $deny_cid = '',
+		string $deny_gid = '')
+	{
+		return new Entity\PermissionSet(
+			$uid,
+			$this->formatter->expand($allow_cid),
+			$this->formatter->expand($allow_gid),
+			$this->formatter->expand($deny_cid),
+			$this->formatter->expand($deny_gid)
+		);
+	}
+
+	public function createPrototypeForUser(int $uid, string $allowCid): Entity\PermissionSet
+	{
+		return new Entity\PermissionSet(
+			$uid,
+			$this->formatter->expand($allowCid)
+		);
+	}
+}