ch.cyberduck.core.http.LoggingHttpRequestExecutor.java Source code

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Here is the source code for ch.cyberduck.core.http.LoggingHttpRequestExecutor.java

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package ch.cyberduck.core.http;

/*
 * Copyright (c) 2002-2014 David Kocher. All rights reserved.
 * http://cyberduck.io/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Bug fixes, suggestions and comments should be sent to:
 * feedback@cyberduck.io
 */

import ch.cyberduck.core.PreferencesUseragentProvider;
import ch.cyberduck.core.TranscriptListener;
import ch.cyberduck.core.UseragentProvider;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.Header;
import org.apache.http.HttpClientConnection;
import org.apache.http.HttpException;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestExecutor;

import java.io.IOException;

public class LoggingHttpRequestExecutor extends HttpRequestExecutor {

    private final UseragentProvider useragentProvider = new PreferencesUseragentProvider();

    private final TranscriptListener listener;

    public LoggingHttpRequestExecutor(final TranscriptListener listener) {
        this.listener = listener;
    }

    @Override
    public HttpResponse execute(final HttpRequest request, final HttpClientConnection conn,
            final HttpContext context) throws IOException, HttpException {
        if (!request.containsHeader(HttpHeaders.USER_AGENT)) {
            request.addHeader(new BasicHeader(HttpHeaders.USER_AGENT, useragentProvider.get()));
        }
        return super.execute(request, conn, context);
    }

    @Override
    protected HttpResponse doSendRequest(final HttpRequest request, final HttpClientConnection conn,
            final HttpContext context) throws IOException, HttpException {
        synchronized (listener) {
            listener.log(TranscriptListener.Type.request, request.getRequestLine().toString());
            for (Header header : request.getAllHeaders()) {
                switch (header.getName()) {
                case HttpHeaders.AUTHORIZATION:
                case "X-Auth-Key":
                case "X-Auth-Token":
                    listener.log(TranscriptListener.Type.request, String.format("%s: %s", header.getName(),
                            StringUtils.repeat("*", Integer.min(8, StringUtils.length(header.getValue())))));
                    break;
                default:
                    listener.log(TranscriptListener.Type.request, header.toString());
                    break;
                }
            }
        }
        return super.doSendRequest(request, conn, context);
    }

    @Override
    protected HttpResponse doReceiveResponse(final HttpRequest request, final HttpClientConnection conn,
            final HttpContext context) throws HttpException, IOException {
        final HttpResponse response = super.doReceiveResponse(request, conn, context);
        synchronized (listener) {
            listener.log(TranscriptListener.Type.response, response.getStatusLine().toString());
            for (Header header : response.getAllHeaders()) {
                listener.log(TranscriptListener.Type.response, header.toString());
            }
        }
        return response;
    }
}