Android仿众人客户端(v5.7.1)——授权认证(用accessToken换取session_key、session_secret和userId)

Android仿人人客户端(v5.7.1)——授权认证(用accessToken换取session_key、session_secret和userId)

转载请标明出处:http://blog.csdn.net/android_ls/article/details/8741383

        网络模块的处理,基本上已讲解完,后面若遇到其他的网络处理需求再调整。这篇接着仿人人客户端(v5.7.1)——人人授权访问界面  继续,前面聊到打开人人授权界面,当用户输入访问人人的账号和密码,点击“登录”按钮后,若成功服务器端会返回accessToken。之后怎么处理,下面开始这篇的讲述:

一、对服务器端返回的accessToken进行处理

       服务器端会返回accessToken

195789%7C6.7faefec2274182195287028d00323781.2592000.1367118000-461345584

       通过运行人人官方提供的Demo,打印LOG如下:

195789|6.7faefec2274182195287028d00323781.2592000.1367118000-461345584

        需要做的处理:

 accessToken = accessToken.replace("%7C", "|");
                   

二、用accessToken通过HTTP协议POST方式交换session_key、session_secret和userId。

       1、发起网络请求

  Map<String, String> parameter = new HashMap<String, String>();
        parameter.put("oauth_token", accessToken);
        AsyncBaseRequest asyncRequest = new AsyncHttpPost(Constant.SESSION_KEY_URL, parameter,
                new ParseCallback (){

                    @Override
                    public Boolean parse(String json) throws JSONException {
                        Log.e(TAG, "result = " + json);
                        
                        return false;
                    }
            
        }, 
        new  ResultCallback(){

            @Override
            public void onSuccess(final Object result) {
                mHandler.post(new Runnable() {
                    
                    @Override
                    public void run() {
                     
                    }
                });
            }

            @Override
            public void onFail(int errorCode) {
                Log.e(TAG, "网络请求返回的errorCode = " + errorCode);                
            }
            
        });
        
        mDefaultThreadPool.execute(asyncRequest);
        mAsyncRequests.add(asyncRequest);

        2、解析网络返回的JSON字符串:

              服务器端返回的JSON字符串:

                            {
                               "renren_token":
                               {
                                   "session_secret":"52e95c7b02abb0a80a4a80116438063a",
                                   "expires_in":2595334,
                                   "session_key":"6.8fed55fdfd5c027c2ecb0ac50859f97c.2592000.1367121600-461345584"
                               },
                               "oauth_token":"195789|6.8fed55fdfd5c027c2ecb0ac50859f97c.2592000.1367121600-461345584",
                               "user":
                               {
                                   "id":461345584
                               }
                            }

                对JSON字符串进行解析:

                            JSONObject jsonObject = new JSONObject(json);
                            
                            JSONObject jsonRenrenToken = jsonObject.getJSONObject("renren_token");
                            String session_key = jsonRenrenToken.getString("session_key");
                            String session_secret = jsonRenrenToken.getString("session_secret");
                            long expires_in = jsonRenrenToken.getLong("expires_in");
                            
                            String oauth_token = jsonObject.getString("oauth_token");
                            long userId = jsonObject.getJSONObject("user").getLong("id");
                            
                            // 对Session过期时间进行处理,  Session过期时间 = 系统当前的时间 + 服务器端返回的Session过期时间。
                            long create_session_time = System.currentTimeMillis();
                            expires_in = create_session_time + expires_in*1000; // 服务器端返回的Session过期时间单位为秒,因此需要乘以1000
                            
                            StringBuilder authResult = new StringBuilder();
                            authResult.append(" oauth_token = ").append(oauth_token);
                            authResult.append("\n session_key = ").append(session_key);
                            authResult.append("\n session_secret = ").append(session_secret);
                            authResult.append("\n expires_in = ").append(expires_in);
                            authResult.append("\n userId = ").append(userId);
                            
                            Log.i(TAG, "解析后的值:\n" + authResult.toString());

三、采用SharedPreferences在本地保存Auth授权的信息,以便以后使用。

                            // 本地存储Authorization授权认证数据
                            Editor editor = mContext.getSharedPreferences("auth_config", Context.MODE_PRIVATE).edit();
                            editor.putString("session_key", session_key);
                            editor.putString("session_secret", session_secret);
                            editor.putLong("expires_in", expires_in);
                            editor.putLong("create_session_time", create_session_time);
                            editor.putString("oauth_token", oauth_token);
                            editor.putLong("userId", userId);
                            editor.commit();

四、切换界面到应用主界面

   new  ResultCallback(){

            @Override
            public void onSuccess(final Object result) {
                mHandler.post(new Runnable() {
                    
                    @Override
                    public void run() {
                        if((Boolean)result)
                        {
                            Intent intent = new Intent(AuthActivity.this, EveryoneActivity.class);
                            AuthActivity.this.startActivity(intent);
                        } else {
                            Log.e(TAG, "网络请求返回的JSON值为NULL");
                        }
                    }
                });
            }

            @Override
            public void onFail(int errorCode) {
                Log.e(TAG, "网络请求返回的errorCode = " + errorCode);                
            }
            
        }

使用accessToken交换session等完整的代码如下:

  /**
     * 通过accessToken换取session_key、session_secret和userId
     * @param accessToken
     */
    private void exchangeSessionKey(String accessToken) {
        if (accessToken == null || accessToken.length() < 1) {
            return;
        }
        
        Map<String, String> parameter = new HashMap<String, String>();
        parameter.put("oauth_token", accessToken);
        AsyncBaseRequest asyncRequest = new AsyncHttpPost(Constant.SESSION_KEY_URL, parameter,
                new ParseCallback (){

                    @Override
                    public Boolean parse(String json) throws JSONException {
                        Log.e(TAG, "result = " + json);
                        if(!TextUtils.isEmpty(json)){
                            
                            // 服务器端返回的JSON字符串:
                           /*{
                               "renren_token":
                               {
                                   "session_secret":"52e95c7b02abb0a80a4a80116438063a",
                                   "expires_in":2595334,
                                   "session_key":"6.8fed55fdfd5c027c2ecb0ac50859f97c.2592000.1367121600-461345584"
                               },
                               "oauth_token":"195789|6.8fed55fdfd5c027c2ecb0ac50859f97c.2592000.1367121600-461345584",
                               "user":
                               {
                                   "id":461345584
                               }
                            }*/

                            // 解析JSON
                            JSONObject jsonObject = new JSONObject(json);
                            
                            JSONObject jsonRenrenToken = jsonObject.getJSONObject("renren_token");
                            String session_key = jsonRenrenToken.getString("session_key");
                            String session_secret = jsonRenrenToken.getString("session_secret");
                            long expires_in = jsonRenrenToken.getLong("expires_in");
                            
                            String oauth_token = jsonObject.getString("oauth_token");
                            long userId = jsonObject.getJSONObject("user").getLong("id");
                            
                            // 对Session过期时间进行处理,  Session过期时间 = 系统当前的时间 + 服务器端返回的Session过期时间。
                            long create_session_time = System.currentTimeMillis();
                            expires_in = create_session_time + expires_in*1000; // 服务器端返回的Session过期时间单位为秒,因此需要乘以1000
                            
                            StringBuilder authResult = new StringBuilder();
                            authResult.append(" oauth_token = ").append(oauth_token);
                            authResult.append("\n session_key = ").append(session_key);
                            authResult.append("\n session_secret = ").append(session_secret);
                            authResult.append("\n expires_in = ").append(expires_in);
                            authResult.append("\n userId = ").append(userId);
                            
                            Log.i(TAG, "解析后的值:\n" + authResult.toString());
                            
                            // 本地存储Authorization授权认证数据
                            Editor editor = mContext.getSharedPreferences("auth_config", Context.MODE_PRIVATE).edit();
                            editor.putString("session_key", session_key);
                            editor.putString("session_secret", session_secret);
                            editor.putLong("expires_in", expires_in);
                            editor.putLong("create_session_time", create_session_time);
                            editor.putString("oauth_token", oauth_token);
                            editor.putLong("userId", userId);
                            editor.commit();

                            return true;
                            
                        }
                        return false;
                    }
            
        }, 
        new  ResultCallback(){

            @Override
            public void onSuccess(final Object result) {
                mHandler.post(new Runnable() {
                    
                    @Override
                    public void run() {
                        if((Boolean)result)
                        {
                            Intent intent = new Intent(AuthActivity.this, EveryoneActivity.class);
                            AuthActivity.this.startActivity(intent);
                        } else {
                            Log.e(TAG, "网络请求返回的JSON值为NULL");
                        }
                    }
                });
            }

            @Override
            public void onFail(int errorCode) {
                Log.e(TAG, "网络请求返回的errorCode = " + errorCode);                
            }
            
        });
        
        mDefaultThreadPool.execute(asyncRequest);
        mAsyncRequests.add(asyncRequest);
    }

好了就先到这里吧,不早了,晚安!