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#include <Storages/System/StorageSystemPrivileges.h>
#include <Access/AccessControl.h>
#include <Access/Common/AccessFlags.h>
#include <Access/SettingsProfile.h>
#include <Columns/ColumnArray.h>
#include <Columns/ColumnString.h>
#include <Columns/ColumnsNumber.h>
#include <Columns/ColumnNullable.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeEnum.h>
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypeNullable.h>
#include <Interpreters/Context.h>
#include <Parsers/Access/ASTRolesOrUsersSet.h>
namespace DB
{
namespace
{
enum Level
{
GROUP = -1,
GLOBAL,
DATABASE,
TABLE,
DICTIONARY,
VIEW,
COLUMN,
NAMED_COLLECTION,
};
DataTypeEnum8::Values getLevelEnumValues()
{
DataTypeEnum8::Values enum_values;
enum_values.emplace_back("GLOBAL", static_cast<Int8>(GLOBAL));
enum_values.emplace_back("DATABASE", static_cast<Int8>(DATABASE));
enum_values.emplace_back("TABLE", static_cast<Int8>(TABLE));
enum_values.emplace_back("DICTIONARY", static_cast<Int8>(DICTIONARY));
enum_values.emplace_back("VIEW", static_cast<Int8>(VIEW));
enum_values.emplace_back("COLUMN", static_cast<Int8>(COLUMN));
enum_values.emplace_back("NAMED_COLLECTION", static_cast<Int8>(NAMED_COLLECTION));
return enum_values;
}
}
const std::vector<std::pair<String, Int16>> & StorageSystemPrivileges::getAccessTypeEnumValues()
{
static const std::vector<std::pair<String, Int16>> values = []
{
std::vector<std::pair<String, Int16>> res;
#define ADD_ACCESS_TYPE_ENUM_VALUE(name, aliases, node_type, parent_group_name) \
res.emplace_back(toString(AccessType::name), static_cast<size_t>(AccessType::name));
APPLY_FOR_ACCESS_TYPES(ADD_ACCESS_TYPE_ENUM_VALUE)
#undef ADD_ACCESS_TYPE_ENUM_VALUE
return res;
}();
return values;
}
NamesAndTypesList StorageSystemPrivileges::getNamesAndTypes()
{
NamesAndTypesList names_and_types{
{"privilege", std::make_shared<DataTypeEnum16>(getAccessTypeEnumValues())},
{"aliases", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
{"level", std::make_shared<DataTypeNullable>(std::make_shared<DataTypeEnum8>(getLevelEnumValues()))},
{"parent_group", std::make_shared<DataTypeNullable>(std::make_shared<DataTypeEnum16>(getAccessTypeEnumValues()))},
};
return names_and_types;
}
void StorageSystemPrivileges::fillData(MutableColumns & res_columns, ContextPtr, const SelectQueryInfo &) const
{
size_t column_index = 0;
auto & column_access_type = assert_cast<ColumnInt16 &>(*res_columns[column_index++]).getData();
auto & column_aliases = assert_cast<ColumnString &>(assert_cast<ColumnArray &>(*res_columns[column_index]).getData());
auto & column_aliases_offsets = assert_cast<ColumnArray &>(*res_columns[column_index++]).getOffsets();
auto & column_level = assert_cast<ColumnInt8 &>(assert_cast<ColumnNullable &>(*res_columns[column_index]).getNestedColumn()).getData();
auto & column_level_null_map = assert_cast<ColumnNullable &>(*res_columns[column_index++]).getNullMapData();
auto & column_parent_group = assert_cast<ColumnInt16 &>(assert_cast<ColumnNullable &>(*res_columns[column_index]).getNestedColumn()).getData();
auto & column_parent_group_null_map = assert_cast<ColumnNullable &>(*res_columns[column_index++]).getNullMapData();
auto add_row = [&](AccessType access_type, std::string_view aliases, Level max_level, AccessType parent_group)
{
column_access_type.push_back(static_cast<Int16>(access_type));
for (size_t pos = 0; pos < aliases.length();)
{
size_t next_pos = aliases.find_first_of(',', pos);
std::string_view alias = aliases.substr(pos, next_pos - pos);
pos = ((next_pos == std::string_view::npos) ? next_pos : next_pos + 1);
while (alias.starts_with(' '))
alias.remove_prefix(1);
while (alias.ends_with(' '))
alias.remove_suffix(1);
column_aliases.insertData(alias.data(), alias.length());
}
column_aliases_offsets.push_back(column_aliases.size());
if (max_level == GROUP)
{
column_level.push_back(0);
column_level_null_map.push_back(true);
}
else
{
column_level.push_back(static_cast<Int8>(max_level));
column_level_null_map.push_back(false);
}
if (parent_group == AccessType::NONE)
{
column_parent_group.push_back(0);
column_parent_group_null_map.push_back(true);
}
else
{
column_parent_group.push_back(static_cast<Int16>(parent_group));
column_parent_group_null_map.push_back(false);
}
};
#define STORAGE_SYSTEM_PRIVILEGES_ADD_ROW(name, aliases, node_type, parent_group_name) \
add_row(AccessType::name, aliases, node_type, AccessType::parent_group_name);
APPLY_FOR_ACCESS_TYPES(STORAGE_SYSTEM_PRIVILEGES_ADD_ROW)
#undef STORAGE_SYSTEM_PRIVILEGES_ADD_ROW
}
}
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