ClickHouse/src/Access/RowPolicy.h

74 lines
2.9 KiB
C++

#pragma once
#include <Access/IAccessEntity.h>
#include <Access/RolesOrUsersSet.h>
#include <Access/Common/RowPolicyDefs.h>
#include <Core/Types.h>
#include <array>
namespace DB
{
/** Represents a row level security policy for a table.
*/
struct RowPolicy : public IAccessEntity
{
void setShortName(const String & short_name);
void setDatabase(const String & database);
void setTableName(const String & table_name);
void setFullName(const String & short_name, const String & database, const String & table_name);
void setFullName(const RowPolicyName & full_name_);
const String & getDatabase() const { return full_name.database; }
const String & getTableName() const { return full_name.table_name; }
const String & getShortName() const { return full_name.short_name; }
const RowPolicyName & getFullName() const { return full_name; }
/// A SQL conditional expression used to figure out which rows should be visible
/// for user or available for modification.
std::array<String, static_cast<size_t>(RowPolicyFilterType::MAX)> filters;
/// Sets that the policy is permissive.
/// A row is only accessible if at least one of the permissive policies passes,
/// in addition to all the restrictive policies.
void setPermissive(bool permissive_ = true) { setRestrictive(!permissive_); }
bool isPermissive() const { return !isRestrictive(); }
/// Applied for entire database
bool isForDatabase() const { return full_name.table_name == RowPolicyName::ANY_TABLE_MARK; }
/// Sets that the policy is restrictive.
/// A row is only accessible if at least one of the permissive policies passes,
/// in addition to all the restrictive policies.
void setRestrictive(bool restrictive_ = true) { restrictive = restrictive_; }
bool isRestrictive() const { return restrictive; }
bool equal(const IAccessEntity & other) const override;
std::shared_ptr<IAccessEntity> clone() const override { return cloneImpl<RowPolicy>(); }
static constexpr const auto TYPE = AccessEntityType::ROW_POLICY;
AccessEntityType getType() const override { return TYPE; }
std::vector<UUID> findDependencies() const override;
bool hasDependencies(const std::unordered_set<UUID> & ids) const override;
void replaceDependencies(const std::unordered_map<UUID, UUID> & old_to_new_ids) override;
void copyDependenciesFrom(const IAccessEntity & src, const std::unordered_set<UUID> & ids) override;
void removeDependencies(const std::unordered_set<UUID> & ids) override;
void clearAllExceptDependencies() override;
bool isBackupAllowed() const override { return true; }
/// Which roles or users should use this row policy.
RolesOrUsersSet to_roles;
private:
void setName(const String &) override;
RowPolicyName full_name;
bool restrictive = false;
};
using RowPolicyPtr = std::shared_ptr<const RowPolicy>;
}