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73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
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#include <Interpreters/InterpreterCreateUserQuery.h>
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#include <Parsers/ASTCreateUserQuery.h>
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#include <Interpreters/Context.h>
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#include <Access/AccessControlManager.h>
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#include <Access/User.h>
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namespace DB
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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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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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updateUserFromQuery(*updated_user, 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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updateUserFromQuery(*new_user, 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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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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if (query.profile)
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user.profile = *query.profile;
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}
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}
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