java - 用 Java 登录 Facebook

Question

我正在尝试用 Java 编写 Facebook 登录。这是我的代码，我不明白我的错误是什么。

package org.testLogin.com;

import java.io.IOException;

import javax.net.ssl.SSLSocketFactory;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
//import org.apache.commons.httpclient.HttpVersion;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.scheme.SocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;

public class FormLogin {
    static final String LOGON_SITE = "www.facebook.com";
    static final int LOGON_PORT = 443;

    public FormLogin() {
        super();
    }

    public static void main(String[] args) throws HttpException, IOException {
        // Set target URL
        String strURL = "http://www.facebook.com";
        System.out.println("Target URL: " + strURL);
        // Get initial state object
        HttpClient httpclient = new HttpClient();
        // ---------Help Code-----------------------------------------------------------------------------------
        SSLUtilities.trustAllHttpsCertificates();
        HttpParams params = new BasicHttpParams();
        HttpProtocolParams.setVersion(params,
                org.apache.http.HttpVersion.HTTP_1_1);
        HttpProtocolParams.setContentCharset(params, "UTF-8");
        HttpProtocolParams.setUserAgent(params,"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8");
        HttpProtocolParams.setUseExpectContinue(params, false);
//      HttpProtocolParams.setConnectionTimeout(params, 1000);
//      HttpProtocolParams.setSoTimeout(params, 10000);
        SchemeRegistry supportedschemes = new SchemeRegistry();
        supportedschemes.register(new Scheme("http", PlainSocketFactory
                .getSocketFactory(), 80));
        supportedschemes.register(new Scheme("https",
                (SocketFactory) SSLSocketFactory.getDefault(), 443));
        // .getSocketFactory()
        ClientConnectionManager connectionManager = new ThreadSafeClientConnManager(
                params, supportedschemes);
        DefaultHttpClient client = new DefaultHttpClient(connectionManager,
                params);

        // --------------------------------------------------------------------------------------------------------------

        GetMethod httpget = new GetMethod(strURL);
        // Execute HTTP GET
        int result = httpclient.executeMethod(httpget);
        // Display status code
        System.out.println("Response status code: " + result);
        // Get all the cookies
        Cookie[] cookies = httpclient.getState().getCookies();
        // Display the cookies
        System.out.println("Present cookies: ");
        for(int i = 0; i < cookies.length; i++) {
            System.out.println(" - " + cookies[i].toExternalForm());
        }
        // Release current connection to the connection pool
        httpget.releaseConnection();
        // Cookie
        PostMethod postMethod = new PostMethod(
                "https://login.facebook.com/login.php?login_attempt=1");
//      int resultPost= httpclient.executeMethod(postMethod);
        Cookie[] cookies1= httpclient.getState().getCookies();
        String CookieLsd = null;
        for(int j=0; j<cookies1.length;j++)
        {
            String Check= cookies1[j].toString();
            if(Check=="lsd")
            {
//              CookieLsd= Check;
                System.out.println(Check);
            }   
        }
        NameValuePair[] postData = new NameValuePair[6];
        postData[0] = new NameValuePair("locale", "en_US");
        postData[1] = new NameValuePair("non_com_login", "");
        postData[2] = new NameValuePair("email", "********");
        postData[3] = new NameValuePair("pass", "********");
        postData[4] = new NameValuePair("lsd", CookieLsd);
        postData[5]= new NameValuePair("charset_test", "**************");
        postMethod.setRequestBody(postData);

        int responsePage = httpclient.executeMethod(postMethod);
        // for(int i = 0; i < cookies.length; i++){
        // postMethod.setRequestHeader("Cookie:",cookies[i].toExternalForm());
        // }
        try {
            httpclient.executeMethod(postMethod);
        }
        // int statuscode = postMethod.getStatusCode();
        // System.out.println("STATUS CODE = " + statuscode);
        catch (HttpException httpe) {
            System.err.print("HttpException");
            System.err.println(httpe.getMessage());
            httpe.printStackTrace();
        }

        // catch (IOException ioe) {
        // System.err.print("IOException");
        // System.err.println(ioe.getMessage());
        // ioe.printStackTrace();
        // }
        String responseBody = postMethod.getResponseBodyAsString();
//      String responseBody = postMethod.getEntity().
        System.out.println(responseBody);
        postMethod.releaseConnection();
    }
}

Answer 1

如果您希望用户通过您的网站登录 Facebook，您需要使用 Facebook API，这涉及将 token 传递回您的服务器等。您自己传递密码(如果您打算自己获取密码)是最有可能的违反服务条款。

如果您尝试使用 HTTP 客户端自动登录 Facebook，情况可能会有所不同。