io.gravitee.am.identityprovider.api.SimpleAuthenticationContext Maven / Gradle / Ivy

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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * 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.
 */
package io.gravitee.am.identityprovider.api;

import io.gravitee.am.identityprovider.api.context.EvaluableAuthenticationContext;
import io.gravitee.am.identityprovider.api.context.EvaluableAuthenticationRequest;
import io.gravitee.el.TemplateContext;
import io.gravitee.el.TemplateEngine;
import io.gravitee.gateway.api.Request;
import io.gravitee.gateway.api.Response;
import io.gravitee.tracing.api.Tracer;

import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author Titouan COMPIEGNE (titouan.compiegne at graviteesource.com)
 * @author GraviteeSource Team
 */
public class SimpleAuthenticationContext implements AuthenticationContext {

    private static final String TEMPLATE_ATTRIBUTE_REQUEST = "request";
    private static final String TEMPLATE_ATTRIBUTE_CONTEXT = "context";
    private Request request;
    private final Map attributes = new HashMap<>();
    private TemplateEngine templateEngine;

    public SimpleAuthenticationContext() { }

    public SimpleAuthenticationContext(Request request) {
        this.request = request;
    }

    @Override
    public Request request() {
        return request;
    }

    @Override
    public Response response() {
        throw new IllegalStateException();
    }

    @Override
    public  T getComponent(Class componentClass) {
        throw new IllegalStateException();
    }

    @Override
    public void setAttribute(String name, Object value) {
        attributes.put(name, value);
    }

    @Override
    public void removeAttribute(String name) {
        attributes.remove(name);
    }

    @Override
    public Object getAttribute(String name) {
        return attributes.get(name);
    }

    @Override
    public Enumeration getAttributeNames() {
        return Collections.enumeration(attributes.keySet());
    }

    @Override
    public Map getAttributes() {
        return attributes;
    }

    @Override
    public TemplateEngine getTemplateEngine() {
        if (templateEngine == null) {
            templateEngine = TemplateEngine.templateEngine();

            TemplateContext templateContext = templateEngine.getTemplateContext();
            templateContext.setVariable(TEMPLATE_ATTRIBUTE_REQUEST, new EvaluableAuthenticationRequest(request));
            templateContext.setVariable(TEMPLATE_ATTRIBUTE_CONTEXT, new EvaluableAuthenticationContext(this));
        }
        return templateEngine;
    }

    @Override
    public Tracer getTracer() {
        throw new IllegalStateException();
    }
}