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A web service test double for all occasions
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/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * 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 com.github.tomakehurst.wiremock.http;

import com.github.tomakehurst.wiremock.admin.AdminRoutes;
import com.github.tomakehurst.wiremock.admin.AdminTask;
import com.github.tomakehurst.wiremock.admin.AdminUriTemplate;
import com.github.tomakehurst.wiremock.admin.NotFoundException;
import com.github.tomakehurst.wiremock.admin.model.PathParams;
import com.github.tomakehurst.wiremock.core.Admin;
import com.github.tomakehurst.wiremock.security.Authenticator;
import com.github.tomakehurst.wiremock.stubbing.ServeEvent;
import com.github.tomakehurst.wiremock.verification.LoggedRequest;

import java.net.URI;

import static com.github.tomakehurst.wiremock.common.LocalNotifier.notifier;
import static com.github.tomakehurst.wiremock.core.WireMockApp.ADMIN_CONTEXT_ROOT;

public class AdminRequestHandler extends AbstractRequestHandler {

    private final AdminRoutes adminRoutes;
    private final Admin admin;
    private final Authenticator authenticator;
    private final boolean requireHttps;

	public AdminRequestHandler(AdminRoutes adminRoutes, Admin admin, ResponseRenderer responseRenderer, Authenticator authenticator, boolean requireHttps) {
		super(responseRenderer);
        this.adminRoutes = adminRoutes;
        this.admin = admin;
        this.authenticator = authenticator;
        this.requireHttps = requireHttps;
    }

	@Override
	public ServeEvent handleRequest(Request request) {
	    if (requireHttps && !URI.create(request.getAbsoluteUrl()).getScheme().equals("https")) {
            notifier().info("HTTPS is required for admin requests, sending upgrade redirect");
            return ServeEvent.of(
                LoggedRequest.createFrom(request),
                ResponseDefinition.notPermitted("HTTPS is required for accessing the admin API")
            );
        }

	    if (!authenticator.authenticate(request)) {
            notifier().info("Authentication failed for " + request.getMethod() + " " + request.getUrl());
            return ServeEvent.of(
                LoggedRequest.createFrom(request),
                ResponseDefinition.notAuthorised()
            );
        }

        notifier().info("Received request to " + request.getUrl() + " with body " + request.getBodyAsString());
        String path = URI.create(withoutAdminRoot(request.getUrl())).getPath();

        try {
            AdminTask adminTask = adminRoutes.taskFor(request.getMethod(), path);

            AdminUriTemplate uriTemplate = adminRoutes.requestSpecForTask(adminTask.getClass()).getUriTemplate();
            PathParams pathParams = uriTemplate.parse(path);

            return ServeEvent.of(
                LoggedRequest.createFrom(request),
                adminTask.execute(admin, request, pathParams)
            );
        } catch (NotFoundException e) {
            return ServeEvent.forUnmatchedRequest(LoggedRequest.createFrom(request));
        }
    }

	private static String withoutAdminRoot(String url) {
	    return url.replace(ADMIN_CONTEXT_ROOT, "");
	}
	
}