Examples with MetadataUtil io.prestosql.metadata.MetadataUtil used on opensource projects

Example 1 with MetadataUtil

use of io.prestosql.metadata.MetadataUtil in project hetu-core by openlookeng.

the class RevokeRolesTask method execute.

@Override
public ListenableFuture<?> execute(RevokeRoles statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
    Session session = stateMachine.getSession();
    Set<String> roles = statement.getRoles().stream().map(role -> role.getValue().toLowerCase(Locale.ENGLISH)).collect(toImmutableSet());
    Set<PrestoPrincipal> grantees = statement.getGrantees().stream().map(MetadataUtil::createPrincipal).collect(toImmutableSet());
    boolean adminOptionFor = statement.isAdminOptionFor();
    Optional<PrestoPrincipal> grantor = statement.getGrantor().map(specification -> createPrincipal(session, specification));
    String catalog = createCatalogName(session, statement);
    Set<String> availableRoles = metadata.listRoles(session, catalog);
    Set<String> specifiedRoles = new LinkedHashSet<>();
    specifiedRoles.addAll(roles);
    grantees.stream().filter(principal -> principal.getType() == ROLE).map(PrestoPrincipal::getName).forEach(specifiedRoles::add);
    if (grantor.isPresent() && grantor.get().getType() == ROLE) {
        specifiedRoles.add(grantor.get().getName());
    }
    for (String role : specifiedRoles) {
        if (!availableRoles.contains(role)) {
            throw new SemanticException(MISSING_ROLE, statement, "Role '%s' does not exist", role);
        }
    }
    accessControl.checkCanRevokeRoles(session.getRequiredTransactionId(), session.getIdentity(), roles, grantees, adminOptionFor, grantor, catalog);
    metadata.revokeRoles(session, roles, grantees, adminOptionFor, grantor, catalog);
    return immediateFuture(null);
}

Example 2 with MetadataUtil

use of io.prestosql.metadata.MetadataUtil in project hetu-core by openlookeng.

the class GrantRolesTask method execute.

@Override
public ListenableFuture<?> execute(GrantRoles statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
    Session session = stateMachine.getSession();
    Set<String> roles = statement.getRoles().stream().map(role -> role.getValue().toLowerCase(Locale.ENGLISH)).collect(toImmutableSet());
    Set<PrestoPrincipal> grantees = statement.getGrantees().stream().map(MetadataUtil::createPrincipal).collect(toImmutableSet());
    boolean withAdminOption = statement.isWithAdminOption();
    Optional<PrestoPrincipal> grantor = statement.getGrantor().map(specification -> createPrincipal(session, specification));
    String catalog = createCatalogName(session, statement);
    Set<String> availableRoles = metadata.listRoles(session, catalog);
    Set<String> specifiedRoles = new LinkedHashSet<>();
    specifiedRoles.addAll(roles);
    grantees.stream().filter(principal -> principal.getType() == ROLE).map(PrestoPrincipal::getName).forEach(specifiedRoles::add);
    if (grantor.isPresent() && grantor.get().getType() == ROLE) {
        specifiedRoles.add(grantor.get().getName());
    }
    for (String role : specifiedRoles) {
        if (!availableRoles.contains(role)) {
            throw new SemanticException(MISSING_ROLE, statement, "Role '%s' does not exist", role);
        }
    }
    accessControl.checkCanGrantRoles(session.getRequiredTransactionId(), session.getIdentity(), roles, grantees, withAdminOption, grantor, catalog);
    metadata.grantRoles(session, roles, grantees, withAdminOption, grantor, catalog);
    return immediateFuture(null);
}