mirror of
https://github.com/ClickHouse/ClickHouse.git
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139 lines
4.6 KiB
C++
139 lines
4.6 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 <Interpreters/DDLWorker.h>
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#include <Parsers/ASTCreateUserQuery.h>
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#include <Parsers/ASTUserNameWithHost.h>
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#include <Parsers/ASTRolesOrUsersSet.h>
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#include <Access/AccessControlManager.h>
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#include <Access/User.h>
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#include <Access/ContextAccess.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(
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User & user,
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const ASTCreateUserQuery & query,
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const std::shared_ptr<ASTUserNameWithHost> & override_name,
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const std::optional<RolesOrUsersSet> & override_default_roles,
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const std::optional<SettingsProfileElements> & override_settings)
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{
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if (override_name)
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user.setName(override_name->toString());
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else if (!query.new_name.empty())
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user.setName(query.new_name);
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else if (query.names->size() == 1)
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user.setName(query.names->front()->toString());
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if (query.authentication)
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user.authentication = *query.authentication;
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if (override_name && !override_name->host_pattern.empty())
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{
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user.allowed_client_hosts = AllowedClientHosts{};
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user.allowed_client_hosts.addLikePattern(override_name->host_pattern);
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}
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else 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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auto set_default_roles = [&](const RolesOrUsersSet & default_roles_)
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{
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if (!query.alter && !default_roles_.all)
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user.granted_roles.grant(default_roles_.getMatchingIDs());
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InterpreterSetRoleQuery::updateUserSetDefaultRoles(user, default_roles_);
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};
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if (override_default_roles)
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set_default_roles(*override_default_roles);
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else if (query.default_roles)
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set_default_roles(*query.default_roles);
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if (override_settings)
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user.settings = *override_settings;
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else if (query.settings)
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user.settings = *query.settings;
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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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auto access = context.getAccess();
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access->checkAccess(query.alter ? AccessType::ALTER_USER : AccessType::CREATE_USER);
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std::optional<RolesOrUsersSet> default_roles_from_query;
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if (query.default_roles)
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{
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default_roles_from_query = RolesOrUsersSet{*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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access->checkAdminOption(role);
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}
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}
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if (!query.cluster.empty())
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return executeDDLQueryOnCluster(query_ptr, context);
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std::optional<SettingsProfileElements> settings_from_query;
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if (query.settings)
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settings_from_query = SettingsProfileElements{*query.settings, access_control};
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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, settings_from_query);
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return updated_user;
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};
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Strings names = query.names->toStrings();
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if (query.if_exists)
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{
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auto ids = access_control.find<User>(names);
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access_control.tryUpdate(ids, update_func);
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}
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else
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access_control.update(access_control.getIDs<User>(names), update_func);
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}
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else
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{
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std::vector<AccessEntityPtr> new_users;
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for (const auto & name : *query.names)
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{
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auto new_user = std::make_shared<User>();
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updateUserFromQueryImpl(*new_user, query, name, default_roles_from_query, settings_from_query);
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new_users.emplace_back(std::move(new_user));
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}
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if (query.if_not_exists)
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access_control.tryInsert(new_users);
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else if (query.or_replace)
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access_control.insertOrReplace(new_users);
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else
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access_control.insert(new_users);
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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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