com.hubspot.singularity.auth.authenticator.SingularityQueryParamAuthenticator Maven / Gradle / Ivy

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package com.hubspot.singularity.auth.authenticator;

import com.google.common.base.Strings;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.hubspot.singularity.SingularityUser;
import com.hubspot.singularity.WebExceptions;
import com.hubspot.singularity.auth.datastore.SingularityAuthDatastore;
import java.util.Optional;
import javax.ws.rs.container.ContainerRequestContext;

@Singleton
public class SingularityQueryParamAuthenticator implements SingularityAuthenticator {
  private final SingularityAuthDatastore authDatastore;

  @Inject
  public SingularityQueryParamAuthenticator(SingularityAuthDatastore authDatastore) {
    this.authDatastore = authDatastore;
  }

  @Override
  public Optional getUser(ContainerRequestContext context) {
    final Optional maybeUserId = Optional.ofNullable(
      Strings.emptyToNull(context.getUriInfo().getQueryParameters().getFirst("user"))
    );

    if (!maybeUserId.isPresent()) {
      throw WebExceptions.unauthorized("(QueryParam) No user specified");
    }
    return authDatastore.getUser(maybeUserId.get());
  }
}