at.ac.univie.isc.asio.security.AuthInfo.java Source code

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Here is the source code for at.ac.univie.isc.asio.security.AuthInfo.java

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/*
 * #%L
 * asio server
 * %%
 * Copyright (C) 2013 - 2015 Research Group Scientific Computing, University of Vienna
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package at.ac.univie.isc.asio.security;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableSet;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.AuthorityUtils;

import javax.annotation.Nullable;
import java.util.Collection;
import java.util.Set;

/**
 * Aggregate information on a client's authorization.
 */
@AutoValue
public abstract class AuthInfo {
    /**
     * Derive authorization info from the given identity and role.
     *
     * @param login login name used by client
     * @param identity identity of authorized client
     * @param authorities all authorities granted to client
     * @return information on authorization
     */
    public static AuthInfo from(final String login, final Identity identity,
            final Collection<? extends GrantedAuthority> authorities) {
        final String name = identity.nameOrIfUndefined(null);
        final String secret = identity.isDefined() ? identity.getSecret() : null;
        return create(name, secret, login, AuthorityUtils.authorityListToSet(authorities));
    }

    @JsonCreator
    static AuthInfo create(@JsonProperty("name") @Nullable final String name,
            @JsonProperty("secret") @Nullable final String secret, @JsonProperty("login") final String login,
            @JsonProperty("authorities") final Iterable<String> authorities) {
        return new AutoValue_AuthInfo(name, secret, login, ImmutableSet.copyOf(authorities));
    }

    AuthInfo() {
        /* prevent sub-classing */ }

    /**
     * @return name used for delegated authentication if available
     */
    @Nullable
    public abstract String getName();

    /**
     * @return secret used for delegated authentication if available
     */
    @Nullable
    public abstract String getSecret();

    /**
     * @return the login name used for asio
     */
    public abstract String getLogin();

    /**
     * @return all permissions granted based on the {@link Role}
     */
    public abstract Set<String> getAuthorities();
}