oauth认证----豆瓣客户端

public static ArrayList<String> login(String email,String password,String captcha_solution,String captcha_id) throws Exception{// 1.客户端(网站B) 需要在豆瓣上申请一个 apiKey apisecret 程序员申请的,可以使用程序员自己的账号申请// 作用:让豆瓣能够知道　请求来源于哪个客户端String apiKey = "0fdb2fe6489d158a2f918fb3g5h5d";String secret = "c1af297c30d54927";DoubanService myService = new DoubanService("我的豆瓣客户端", apiKey, secret);// 2.拿着刚才申请的key 去豆瓣 换取一个新的认证的钥匙// 参数是代表的认证完毕后的返回的url的路径// 如果身份认证后 想完成页面的重定向 就可以设置url的参数String authurl = myService.getAuthorizationUrl(null);System.out.println("认证的url为:" + authurl);// TODO:采用http协议 模拟用户访问 authurl 地址// 模拟登陆豆瓣的服务器获取登陆成功的cookies// post请求的地址 http://www.douban.com/accounts/login// post提交的数据// 创建一个http的浏览器DefaultHttpClient client = new DefaultHttpClient();HttpPost post = new HttpPost("http://www.douban.com/accounts/login");List<BasicNameValuePair> parameters = new ArrayList<BasicNameValuePair>();parameters.add(new BasicNameValuePair("source", "simple"));parameters.add(new BasicNameValuePair("redir", "http://www.douban.com"));parameters.add(new BasicNameValuePair("form_email",email));parameters.add(new BasicNameValuePair("form_password",  password));if((captcha_id != null)&&(captcha_solution != null)){parameters.add(new BasicNameValuePair("captcha-solution", captcha_solution));parameters.add(new BasicNameValuePair("captcha-id", captcha_id));}parameters.add(new BasicNameValuePair("user_login", "登陆"));UrlEncodedFormEntity entity = new UrlEncodedFormEntity(parameters,"UTF-8");post.setEntity(entity);// 拿着浏览器 提交post请求HttpResponse response = client.execute(post);System.out.println("状态码:" + response.getStatusLine().getStatusCode());CookieStore cookies = client.getCookieStore(); // 把登陆成功的cookie获取出来.// 模拟用户点击同意的post请求DefaultHttpClient newClient = new DefaultHttpClient();// 把刚才登陆成功的cookie设置给新打开的浏览器newClient.setCookieStore(cookies);HttpPost agreePost = new HttpPost(authurl);int start = authurl.lastIndexOf("=") + 1;List<BasicNameValuePair> agreeParams = new ArrayList<BasicNameValuePair>();agreeParams.add(new BasicNameValuePair("ck", "DuX5"));agreeParams.add(new BasicNameValuePair("oauth_token", authurl.substring(start, authurl.length())));agreeParams.add(new BasicNameValuePair("oauth_callback", ""));agreeParams.add(new BasicNameValuePair("ssid", "7e51ec7f"));agreeParams.add(new BasicNameValuePair("confirm", "同意"));UrlEncodedFormEntity agreeentity = new UrlEncodedFormEntity(agreeParams, "UTF-8");agreePost.setEntity(agreeentity);// 模拟了用户点击同意的操作newClient.execute(agreePost);// 4.如果用户点击了同意授权, 豆瓣的网址 就会给我们的应用程序 提供一个后门// 后门还带了两把钥匙.ArrayList<String> tokens = myService.getAccessToken();System.out.println("access token:" + tokens.get(0));System.out.println("token secret:" + tokens.get(1));return tokens;}