CAllSocNetFeaturesPerms::CanPerformOperation

static function CanPerformOperation($userID, $type, $id, $feature, $operation, $bCurrentUserIsAdmin = false)
{
	global $APPLICATION, $arSocNetAllowedEntityTypes;

	$arSocNetFeaturesSettings = CSocNetAllowed::GetAllowedFeatures();

	$userID = (int)$userID;

	if ((is_array($id) && count($id) <= 0) || (!is_array($id) && $id <= 0))
	{
		$APPLICATION->ThrowException(GetMessage("SONET_GF_EMPTY_ENTITY_ID"), "ERROR_EMPTY_ENTITY_ID");
		return false;
	}

	$type = Trim($type);
	if (($type == '') || !in_array($type, $arSocNetAllowedEntityTypes))
	{
		$APPLICATION->ThrowException(GetMessage("SONET_GF_ERROR_NO_ENTITY_TYPE"), "ERROR_EMPTY_TYPE");
		return false;
	}

	$featureOperationPerms = CSocNetFeaturesPerms::GetOperationPerm($type, $id, $feature, $operation);

	if ($type === SONET_ENTITY_GROUP)
	{
		$bWorkWithClosedGroups = (COption::GetOptionString("socialnetwork", "work_with_closed_groups", "N") === "Y");
		if (is_array($id))
		{
			$arGroupToGet = array();
			foreach($id as $group_id)
			{
				if ($featureOperationPerms[$group_id] == false)
				{
					$arReturn[$group_id] = false;
				}
				else
				{
					$arGroupToGet[] = $group_id;
				}
			}

			$arGroupToGet = array_unique($arGroupToGet);

			$userRoleInGroup = CSocNetUserToGroup::GetUserRole($userID, $arGroupToGet);
			$arGroupToGet = array();
			if (is_array($userRoleInGroup))
			{
				foreach($userRoleInGroup as $group_id => $role)
				{
					if ($userRoleInGroup[$group_id] == SONET_ROLES_BAN)
					{
						$arReturn[$group_id] = false;
					}
					else
					{
						$arGroupToGet[] = $group_id;
					}
				}
			}

			$arGroupToGet = array_unique($arGroupToGet);

			if (
				(is_array($arGroupToGet) && count($arGroupToGet) <= 0)
				|| (!is_array($arGroupToGet) && intval($arGroupToGet) <= 0)
			)
			{
				$arReturn = array();
				foreach($id as $group_id)
				{
					$arReturn[$group_id] = false;
				}
				return $arReturn;
			}

			$resGroupTmp = CSocNetGroup::GetList(
				array("ID" => "ASC"),
				array("@ID" => $arGroupToGet),
				false,
				false,
				array('ID', 'VISIBLE', 'CLOSED')
			);
			while ($arGroupTmp = $resGroupTmp->Fetch())
			{
				if (
					$arGroupTmp["CLOSED"] === "Y"
					&& !in_array($operation, $arSocNetFeaturesSettings[$feature]["minoperation"])
				)
				{
					if (!$bWorkWithClosedGroups)
					{
						$arReturn[$arGroupTmp["ID"]] = false;
						continue;
					}

					$featureOperationPerms[$arGroupTmp["ID"]] = SONET_ROLES_OWNER;
				}

				if ($bCurrentUserIsAdmin)
				{
					$arReturn[$arGroupTmp["ID"]] = true;
					continue;
				}

				if ($featureOperationPerms[$arGroupTmp["ID"]] === SONET_ROLES_ALL)
				{
					if ($arGroupTmp["VISIBLE"] === "N")
					{
						$featureOperationPerms[$arGroupTmp["ID"]] = SONET_ROLES_USER;
					}
					else
					{
						$arReturn[$arGroupTmp["ID"]] = true;
						continue;
					}
				}

				if ($featureOperationPerms[$arGroupTmp["ID"]] === SONET_ROLES_AUTHORIZED)
				{
					if ($userID > 0)
					{
						$arReturn[$arGroupTmp["ID"]] = true;
						continue;
					}

					$arReturn[$arGroupTmp["ID"]] = false;
					continue;
				}

				if ($userRoleInGroup[$arGroupTmp["ID"]] == false)
				{
					$arReturn[$arGroupTmp["ID"]] = false;
					continue;
				}

				if ($featureOperationPerms[$arGroupTmp["ID"]] === SONET_ROLES_MODERATOR)
				{
					if (in_array($userRoleInGroup[$arGroupTmp["ID"]], [SONET_ROLES_MODERATOR, SONET_ROLES_OWNER], true))
					{
						$arReturn[$arGroupTmp["ID"]] = true;
						continue;
					}

					$arReturn[$arGroupTmp["ID"]] = false;
					continue;
				}

				if ($featureOperationPerms[$arGroupTmp["ID"]] === SONET_ROLES_USER)
				{
					if (in_array($userRoleInGroup[$arGroupTmp["ID"]], UserToGroupTable::getRolesMember(), true))
					{
						$arReturn[$arGroupTmp["ID"]] = true;
						continue;
					}

					$arReturn[$arGroupTmp["ID"]] = false;
					continue;
				}

				if ($featureOperationPerms[$arGroupTmp["ID"]] === SONET_ROLES_OWNER)
				{
					if ($userRoleInGroup[$arGroupTmp["ID"]] === SONET_ROLES_OWNER)
					{
						$arReturn[$arGroupTmp["ID"]] = true;
						continue;
					}

					$arReturn[$arGroupTmp["ID"]] = false;
					continue;
				}
			}

			return $arReturn ?? false;
		}

		// not array of groups
		$id = (int)$id;

		if ($featureOperationPerms == false)
		{
			return false;
		}

		$userRoleInGroup = CSocNetUserToGroup::GetUserRole($userID, $id);
		if ($userRoleInGroup === SONET_ROLES_BAN)
		{
			return false;
		}

		$arGroupTmp = CSocNetGroup::GetByID($id);

		if (
			$arGroupTmp["CLOSED"] === "Y"
			&& !in_array($operation, $arSocNetFeaturesSettings[$feature]["minoperation"])
		)
		{
			if (!$bWorkWithClosedGroups)
			{
				return false;
			}

			$featureOperationPerms = SONET_ROLES_OWNER;
		}

		if ($bCurrentUserIsAdmin)
		{
			return true;
		}

		if ($featureOperationPerms === SONET_ROLES_ALL)
		{
			if ($arGroupTmp["VISIBLE"] === "N")
			{
				$featureOperationPerms = SONET_ROLES_USER;
			}
			else
			{
				return true;
			}
		}

		if ($featureOperationPerms === SONET_ROLES_AUTHORIZED)
		{
			return ($userID > 0);
		}

		if ($userRoleInGroup == false)
		{
			return false;
		}

		if ($featureOperationPerms === SONET_ROLES_MODERATOR)
		{
			return (in_array($userRoleInGroup, array(SONET_ROLES_MODERATOR, SONET_ROLES_OWNER)));
		}

		if ($featureOperationPerms === SONET_ROLES_USER)
		{
			return (in_array($userRoleInGroup, UserToGroupTable::getRolesMember()));
		}

		if ($featureOperationPerms === SONET_ROLES_OWNER)
		{
			return ($userRoleInGroup === SONET_ROLES_OWNER);
		}
	}
	else // user
	{
		if (is_array($id))
		{

			foreach($id as $entity_id)
			{

				if ($featureOperationPerms[$entity_id] == false)
				{
					$arReturn[$entity_id] = false;
					continue;
				}

				$usersRelation = CSocNetUserRelations::GetRelation($userID, $entity_id);

				if ($type == SONET_ENTITY_USER && $userID == $entity_id)
				{
					$arReturn[$entity_id] = true;
					continue;
				}

				if ($bCurrentUserIsAdmin)
				{
					$arReturn[$entity_id] = true;
					continue;
				}

				if ($userID == $entity_id)
				{
					$arReturn[$entity_id] = true;
					continue;
				}

				if ($usersRelation == SONET_RELATIONS_BAN)
				{
					if (!IsModuleInstalled("im"))
					{
						$arReturn[$entity_id] = false;
						continue;
					}
				}

				if ($featureOperationPerms[$entity_id] == SONET_RELATIONS_TYPE_NONE)
				{
					$arReturn[$entity_id] = false;
					continue;
				}

				if ($featureOperationPerms[$entity_id] == SONET_RELATIONS_TYPE_ALL)
				{
					$arReturn[$entity_id] = true;
					continue;
				}

				if ($featureOperationPerms[$entity_id] == SONET_RELATIONS_TYPE_AUTHORIZED)
				{
					$arReturn[$entity_id] = ($userID > 0);
					continue;
				}

				if (
					$featureOperationPerms[$entity_id] == SONET_RELATIONS_TYPE_FRIENDS
					|| $featureOperationPerms[$entity_id] == SONET_RELATIONS_TYPE_FRIENDS2
				)
				{
					$arReturn[$entity_id] = CSocNetUserRelations::IsFriends($userID, $entity_id);
					continue;
				}
			}

			return $arReturn;
		}

		// not array
		if ($featureOperationPerms == false)
		{
			return false;
		}

		if ($type === SONET_ENTITY_USER && $userID == $id)
		{
			return true;
		}

		if ($bCurrentUserIsAdmin)
		{
			return true;
		}

		$usersRelation = CSocNetUserRelations::GetRelation($userID, $id);
		if ($usersRelation == SONET_RELATIONS_BAN && !IsModuleInstalled("im"))
		{
			return false;
		}

		if ($featureOperationPerms == SONET_RELATIONS_TYPE_NONE)
		{
			return false;
		}

		if ($featureOperationPerms == SONET_RELATIONS_TYPE_ALL)
		{
			return true;
		}

		if ($featureOperationPerms === SONET_RELATIONS_TYPE_AUTHORIZED)
		{
			return ($userID > 0);
		}

		if (
			$featureOperationPerms === SONET_RELATIONS_TYPE_FRIENDS
			|| $featureOperationPerms === SONET_RELATIONS_TYPE_FRIENDS2
		)
		{
			return CSocNetUserRelations::IsFriends($userID, $id);
		}
	}

	return false;
}