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#include <Interpreters/Access/InterpreterSetRoleQuery.h>
#include <Parsers/Access/ASTSetRoleQuery.h>
#include <Parsers/Access/ASTRolesOrUsersSet.h>
#include <Access/RolesOrUsersSet.h>
#include <Access/AccessControl.h>
#include <Access/User.h>
#include <Interpreters/Context.h>
namespace DB
{
namespace ErrorCodes
{
extern const int SET_NON_GRANTED_ROLE;
}
BlockIO InterpreterSetRoleQuery::execute()
{
const auto & query = query_ptr->as<const ASTSetRoleQuery &>();
if (query.kind == ASTSetRoleQuery::Kind::SET_DEFAULT_ROLE)
setDefaultRole(query);
else
setRole(query);
return {};
}
void InterpreterSetRoleQuery::setRole(const ASTSetRoleQuery & query)
{
auto & access_control = getContext()->getAccessControl();
auto session_context = getContext()->getSessionContext();
auto user = session_context->getUser();
if (query.kind == ASTSetRoleQuery::Kind::SET_ROLE_DEFAULT)
{
session_context->setCurrentRolesDefault();
}
else
{
RolesOrUsersSet roles_from_query{*query.roles, access_control};
std::vector<UUID> new_current_roles;
if (roles_from_query.all)
{
new_current_roles = user->granted_roles.findGranted(roles_from_query);
}
else
{
for (const auto & id : roles_from_query.getMatchingIDs())
{
if (!user->granted_roles.isGranted(id))
throw Exception(ErrorCodes::SET_NON_GRANTED_ROLE, "Role should be granted to set current");
new_current_roles.emplace_back(id);
}
}
session_context->setCurrentRoles(new_current_roles);
}
}
void InterpreterSetRoleQuery::setDefaultRole(const ASTSetRoleQuery & query)
{
getContext()->checkAccess(AccessType::ALTER_USER);
auto & access_control = getContext()->getAccessControl();
std::vector<UUID> to_users = RolesOrUsersSet{*query.to_users, access_control, getContext()->getUserID()}.getMatchingIDs(access_control);
RolesOrUsersSet roles_from_query{*query.roles, access_control};
auto update_func = [&](const AccessEntityPtr & entity) -> AccessEntityPtr
{
auto updated_user = typeid_cast<std::shared_ptr<User>>(entity->clone());
updateUserSetDefaultRoles(*updated_user, roles_from_query);
return updated_user;
};
access_control.update(to_users, update_func);
}
void InterpreterSetRoleQuery::updateUserSetDefaultRoles(User & user, const RolesOrUsersSet & roles_from_query)
{
if (!roles_from_query.all)
{
for (const auto & id : roles_from_query.getMatchingIDs())
{
if (!user.granted_roles.isGranted(id))
throw Exception(ErrorCodes::SET_NON_GRANTED_ROLE, "Role should be granted to set default");
}
}
user.default_roles = roles_from_query;
}
}
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