com.meltmedia.cadmium.cli.ApiCommand.java Source code

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/**
 *    Copyright 2012 meltmedia
 *
 *    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.meltmedia.cadmium.cli;

import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.util.EntityUtils;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.gson.Gson;

/**
 * Enables/Disables endpoints on the jersey "/api" endpoints in cadmium or lists currently disabled endpoints.
 * 
 * @author John McEntire
 *
 */
@Parameters(commandDescription = "Manages the open api endpoints availability.", separators = "=")
public class ApiCommand extends AbstractAuthorizedOnly implements CliCommand {
    private static final String ENDPOINT = "/system/disabled/";

    private enum OPERATION {
        DISABLE, ENABLE, LIST;
    }

    @Parameter(description = "<site> (list|disable|enable) [endpoint]", required = true)
    private List<String> params;

    @Override
    public String getCommandName() {
        return "api";
    }

    @Override
    public void execute() throws Exception {
        if (params.isEmpty()) {
            throw new Exception("Invalid usage.");
        }

        String site = getSecureBaseUrl(params.get(0).replaceFirst("/$", ""));
        OPERATION op = OPERATION.LIST;
        String path = null;
        if (params.size() >= 2) {
            op = OPERATION.valueOf(params.get(1).toUpperCase());
            if (params.size() <= 2 && (op == OPERATION.DISABLE || op == OPERATION.ENABLE)) {
                throw new Exception("Please specify a path to " + params.get(1));
            } else if (op == OPERATION.DISABLE || op == OPERATION.ENABLE) {
                path = params.get(2).replaceAll("(^/)|(/$)", "");
            }
        }

        String results[] = sendRequest(token, site, op, path);
        if (results != null) {
            System.out.println(results.length + " api endpoints have been disabled:");
            for (String result : results) {
                System.out.println("  /api/" + result);
            }
        } else {
            System.out.println("Message sent to " + op.name().toLowerCase() + " " + path);
        }
    }

    /**
     * Sends acl request to cadmium.
     * 
     * @param site
     * @param op
     * @param path
     * @return
     * @throws Exception
     */
    public static String[] sendRequest(String token, String site, OPERATION op, String path) throws Exception {
        HttpClient client = httpClient();
        HttpUriRequest message = null;
        if (op == OPERATION.DISABLE) {
            message = new HttpPut(site + ENDPOINT + path);
        } else if (op == OPERATION.ENABLE) {
            message = new HttpDelete(site + ENDPOINT + path);
        } else {
            message = new HttpGet(site + ENDPOINT);
        }
        addAuthHeader(token, message);

        HttpResponse resp = client.execute(message);
        if (resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            String results = EntityUtils.toString(resp.getEntity());
            return new Gson().fromJson(results, String[].class);
        }
        return null;
    }

}