io.micronaut.security.oauth2.client.condition.OpenIdClientCondition Maven / Gradle / Ivy

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/*
 * Copyright 2017-2023 original authors
 *
 * 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
 *
 * https://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.
 */
package io.micronaut.security.oauth2.client.condition;

import io.micronaut.context.condition.Condition;
import io.micronaut.context.condition.ConditionContext;
import io.micronaut.core.annotation.AnnotationMetadataProvider;
import io.micronaut.core.annotation.Internal;
import io.micronaut.inject.qualifiers.Qualifiers;
import io.micronaut.security.oauth2.configuration.OauthClientConfiguration;
import io.micronaut.security.oauth2.configuration.OpenIdClientConfiguration;
import io.micronaut.security.oauth2.configuration.endpoints.AuthorizationEndpointConfiguration;
import io.micronaut.security.oauth2.configuration.endpoints.TokenEndpointConfiguration;
import io.micronaut.security.oauth2.endpoint.authorization.request.ResponseType;
import io.micronaut.security.oauth2.grants.GrantType;
import io.micronaut.security.utils.QualifierUtils;

import java.util.Optional;

/**
 * Condition to create an {@link io.micronaut.security.oauth2.client.OpenIdClient}.
 *
 * @author James Kleeh
 * @since 1.2.0
 */
@Internal
public class OpenIdClientCondition implements Condition {

    @Override
    public boolean matches(ConditionContext context) {
        AnnotationMetadataProvider component = context.getComponent();
        Optional nameOptional = QualifierUtils.nameQualifier(component);
        if (nameOptional.isEmpty()) {
            return true;
        }
        String name = nameOptional.get();
        OauthClientConfiguration clientConfiguration = context.getBean(OauthClientConfiguration.class, Qualifiers.byName(name));
        String failureMessagePrefix = "Skipped OpenID client creation for provider [" + name;
        if (clientConfiguration.isEnabled()) {
            Optional openid = clientConfiguration.getOpenid();
            if (openid.isPresent()) {
                OpenIdClientConfiguration openIdClientConfiguration = openid.get();
                if (openIdClientConfiguration.getIssuer().isPresent() || endpointsManuallyConfigured(openIdClientConfiguration)) {
                    if (clientConfiguration.getGrantType() == GrantType.AUTHORIZATION_CODE) {
                        Optional authorization = openIdClientConfiguration.getAuthorization();
                        if (!authorization.isPresent() || authorization.get().getResponseType() == ResponseType.CODE) {
                            return true;
                        } else {
                            context.fail(failureMessagePrefix + "] because the response type is not 'code'");
                        }
                    } else {
                        context.fail(failureMessagePrefix + "] because the grant type is not 'authorization-code'");
                    }
                } else {
                    context.fail(failureMessagePrefix  + "] because no issuer is configured");
                }
            }
        } else {
            context.fail(failureMessagePrefix + "] because the configuration is disabled");
        }
        return false;

    }

    private boolean endpointsManuallyConfigured(OpenIdClientConfiguration openIdClientConfiguration) {
        return openIdClientConfiguration.getAuthorization().map(AuthorizationEndpointConfiguration::getUrl).isPresent() &&
            openIdClientConfiguration.getToken().map(TokenEndpointConfiguration::getUrl).isPresent();
    }
}