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113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
#include <Interpreters/InterpreterCreateUserQuery.h>
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#include <Interpreters/Context.h>
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#include <Interpreters/InterpreterSetRoleQuery.h>
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#include <Parsers/ASTCreateUserQuery.h>
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#include <Access/AccessControlManager.h>
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#include <Access/User.h>
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#include <Access/GenericRoleSet.h>
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#include <Access/AccessRightsContext.h>
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#include <boost/range/algorithm/copy.hpp>
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namespace DB
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{
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namespace
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{
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void updateUserFromQueryImpl(User & user, const ASTCreateUserQuery & query, const std::optional<GenericRoleSet> & default_roles_from_query = {})
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{
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if (query.alter)
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{
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if (!query.new_name.empty())
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user.setName(query.new_name);
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}
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else
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user.setName(query.name);
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if (query.authentication)
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user.authentication = *query.authentication;
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if (query.hosts)
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user.allowed_client_hosts = *query.hosts;
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if (query.remove_hosts)
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user.allowed_client_hosts.remove(*query.remove_hosts);
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if (query.add_hosts)
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user.allowed_client_hosts.add(*query.add_hosts);
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const GenericRoleSet * default_roles = nullptr;
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std::optional<GenericRoleSet> temp_role_set;
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if (default_roles_from_query)
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default_roles = &*default_roles_from_query;
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else if (query.default_roles)
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default_roles = &temp_role_set.emplace(*query.default_roles);
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if (default_roles)
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{
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if (!query.alter && !default_roles->all)
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boost::range::copy(default_roles->getMatchingIDs(), std::inserter(user.granted_roles, user.granted_roles.end()));
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InterpreterSetRoleQuery::updateUserSetDefaultRoles(user, *default_roles);
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}
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if (query.profile)
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user.profile = *query.profile;
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}
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}
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BlockIO InterpreterCreateUserQuery::execute()
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{
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const auto & query = query_ptr->as<const ASTCreateUserQuery &>();
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auto & access_control = context.getAccessControlManager();
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context.checkAccess(query.alter ? AccessType::ALTER_USER : AccessType::CREATE_USER);
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std::optional<GenericRoleSet> default_roles_from_query;
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if (query.default_roles)
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{
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default_roles_from_query = GenericRoleSet{*query.default_roles, access_control};
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if (!query.alter && !default_roles_from_query->all)
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{
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for (const UUID & role : default_roles_from_query->getMatchingIDs())
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context.getAccessRights()->checkAdminOption(role);
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}
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}
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if (query.alter)
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{
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auto update_func = [&](const AccessEntityPtr & entity) -> AccessEntityPtr
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{
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auto updated_user = typeid_cast<std::shared_ptr<User>>(entity->clone());
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updateUserFromQueryImpl(*updated_user, query, default_roles_from_query);
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return updated_user;
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};
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if (query.if_exists)
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{
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if (auto id = access_control.find<User>(query.name))
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access_control.tryUpdate(*id, update_func);
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}
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else
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access_control.update(access_control.getID<User>(query.name), update_func);
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}
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else
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{
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auto new_user = std::make_shared<User>();
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updateUserFromQueryImpl(*new_user, query, default_roles_from_query);
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if (query.if_not_exists)
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access_control.tryInsert(new_user);
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else if (query.or_replace)
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access_control.insertOrReplace(new_user);
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else
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access_control.insert(new_user);
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}
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return {};
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}
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void InterpreterCreateUserQuery::updateUserFromQuery(User & user, const ASTCreateUserQuery & query)
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{
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updateUserFromQueryImpl(user, query);
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}
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}
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