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@ -0,0 +1,458 @@
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/*
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* Copyright (c) 2010 - 2011, The MiCode Open Source Community (www.micode.net)
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*
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* 遵循 Apache 许可证 2.0 版(“许可证”);
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* 除非遵守许可证,否则不得使用此文件。
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* 你可以在以下网址获取许可证副本:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* 除非适用法律要求或书面同意,
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* 根据许可证分发的软件按“原样”分发,
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* 不附带任何明示或暗示的保证或条件。
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* 请参阅许可证,了解具体的权限和限制。
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*/
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package net.micode.notes.gtask.remote;
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import android.accounts.Account;
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import android.accounts.AccountManager;
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import android.accounts.AccountManagerFuture;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.util.Log;
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import net.micode.notes.gtask.data.Node;
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import net.micode.notes.gtask.data.Task;
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import net.micode.notes.gtask.data.TaskList;
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import net.micode.notes.gtask.exception.ActionFailureException;
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net.micode.notes.gtask.exception.NetworkFailureException;
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import net.micode.notes.tool.GTaskStringUtils;
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import net.micode.notes.ui.NotesPreferenceActivity;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.cookie.Cookie;
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import org.apache.http.impl.client.BasicCookieStore;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.params.BasicHttpParams;
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import org.apache.http.params.HttpConnectionParams;
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import org.apache.http.params.HttpParams;
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import org.apache.http.params.HttpProtocolParams;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.Inflater;
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import java.util.zip.InflaterInputStream;
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// GTaskClient 类负责与 Google 任务(GTask)服务器进行交互,包括登录、创建任务、获取任务列表等操作
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public class GTaskClient {
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// 用于日志记录的标签,使用类的简单名称
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private static final String TAG = GTaskClient.class.getSimpleName();
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// GTask 服务的基本 URL
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private static final String GTASK_URL = "https://mail.google.com/tasks/";
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// 获取任务列表的 URL
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
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// 提交任务操作的 URL
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private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
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// GTaskClient 的单例实例
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private static GTaskClient mInstance = null;
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// HTTP 客户端,用于发送请求
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private DefaultHttpClient mHttpClient;
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// 当前使用的获取任务列表的 URL
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private String mGetUrl;
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// 当前使用的提交任务操作的 URL
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private String mPostUrl;
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// 客户端版本号
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private long mClientVersion;
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// 登录状态
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private boolean mLoggedin;
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// 上次登录时间
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private long mLastLoginTime;
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// 操作 ID,用于标识每个请求
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private int mActionId;
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// 当前登录的账户
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private Account mAccount;
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// 存储待提交的更新操作的 JSON 数组
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private JSONArray mUpdateArray;
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// 私有构造函数,用于初始化 GTaskClient 的成员变量
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private GTaskClient() {
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mHttpClient = null;
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mGetUrl = GTASK_GET_URL;
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mPostUrl = GTASK_POST_URL;
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mClientVersion = -1;
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mLoggedin = false;
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mLastLoginTime = 0;
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mActionId = 1;
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mAccount = null;
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mUpdateArray = null;
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}
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// 获取 GTaskClient 单例实例的方法
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public static synchronized GTaskClient getInstance() {
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if (mInstance == null) {
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mInstance = new GTaskClient();
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}
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return mInstance;
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}
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// 登录方法,用于登录 Google 账户并获取 GTask 服务的授权
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public boolean login(Activity activity) {
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// 设定 cookie 过期时间为 5 分钟
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final long interval = 1000 * 60 * 5;
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// 如果距离上次登录时间超过 5 分钟,标记为未登录
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if (mLastLoginTime + interval < System.currentTimeMillis()) {
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mLoggedin = false;
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}
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// 如果账户切换,标记为未登录
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if (mLoggedin
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&&!TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
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.getSyncAccountName(activity))) {
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mLoggedin = false;
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}
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// 如果已经登录,直接返回 true
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if (mLoggedin) {
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Log.d(TAG, "already logged in");
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return true;
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}
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// 更新上次登录时间
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mLastLoginTime = System.currentTimeMillis();
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// 登录 Google 账户获取认证令牌
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String authToken = loginGoogleAccount(activity, false);
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if (authToken == null) {
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Log.e(TAG, "login google account failed");
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return false;
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}
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// 如果是自定义域名账户,进行特殊处理
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if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
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.endsWith("googlemail.com"))) {
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// 构建自定义域名的 URL
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StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
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int index = mAccount.name.indexOf('@') + 1;
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String suffix = mAccount.name.substring(index);
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url.append(suffix + "/");
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mGetUrl = url.toString() + "ig";
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mPostUrl = url.toString() + "r/ig";
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// 尝试使用自定义域名 URL 登录 GTask
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if (tryToLoginGtask(activity, authToken)) {
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mLoggedin = true;
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}
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}
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// 如果使用自定义域名未登录成功,尝试使用 Google 官方 URL 登录
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if (!mLoggedin) {
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mGetUrl = GTASK_GET_URL;
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mPostUrl = GTASK_POST_URL;
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if (!tryToLoginGtask(activity, authToken)) {
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return false;
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}
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}
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mLoggedin = true;
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return true;
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}
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// 登录 Google 账户并获取认证令牌的方法
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private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
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String authToken;
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// 获取账户管理器
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AccountManager accountManager = AccountManager.get(activity);
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// 获取所有 Google 账户
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Account[] accounts = accountManager.getAccountsByType("com.google");
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// 如果没有可用的 Google 账户,返回 null
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if (accounts.length == 0) {
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Log.e(TAG, "there is no available google account");
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return null;
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}
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// 获取设置中的同步账户名称
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String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
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Account account = null;
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// 查找与设置中账户名称相同的账户
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for (Account a : accounts) {
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if (a.name.equals(accountName)) {
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account = a;
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break;
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}
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}
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// 如果未找到匹配的账户,记录错误并返回 null
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if (account!= null) {
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mAccount = account;
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} else {
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Log.e(TAG, "unable to get an account with the same name in the settings");
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return null;
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}
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// 获取认证令牌
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AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
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"goanna_mobile", null, activity, null, null);
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try {
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// 获取包含认证令牌的 Bundle
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Bundle authTokenBundle = accountManagerFuture.getResult();
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authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
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// 如果需要使令牌失效,进行相应操作并重新登录
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if (invalidateToken) {
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accountManager.invalidateAuthToken("com.google", authToken);
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loginGoogleAccount(activity, false);
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}
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} catch (Exception e) {
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Log.e(TAG, "get auth token failed");
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authToken = null;
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}
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return authToken;
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}
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// 尝试使用认证令牌登录 GTask 的方法
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private boolean tryToLoginGtask(Activity activity, String authToken) {
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// 先尝试使用当前认证令牌登录 GTask
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if (!loginGtask(authToken)) {
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// 如果登录失败,使当前认证令牌失效并重新获取
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authToken = loginGoogleAccount(activity, true);
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if (authToken == null) {
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Log.e(TAG, "login google account failed");
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return false;
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}
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// 再次尝试使用新的认证令牌登录 GTask
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if (!loginGtask(authToken)) {
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Log.e(TAG, "login gtask failed");
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return false;
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}
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}
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return true;
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}
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// 使用认证令牌登录 GTask 的具体方法
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private boolean loginGtask(String authToken) {
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// 设置连接超时时间和套接字超时时间
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int timeoutConnection = 10000;
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int timeoutSocket = 15000;
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// 创建 HTTP 参数对象
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HttpParams httpParameters = new BasicHttpParams();
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// 设置连接超时时间
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HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
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// 设置套接字超时时间
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HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
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// 创建默认的 HTTP 客户端
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mHttpClient = new DefaultHttpClient(httpParameters);
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// 创建一个基本的 cookie 存储对象
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BasicCookieStore localBasicCookieStore = new BasicCookieStore();
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// 设置 HTTP 客户端的 cookie 存储
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mHttpClient.setCookieStore(localBasicCookieStore);
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// 禁用 Expect: 100 - continue 行为
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HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
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// 构建登录 URL
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try {
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String loginUrl = mGetUrl + "?auth=" + authToken;
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// 创建 HTTP GET 请求
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HttpGet httpGet = new HttpGet(loginUrl);
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HttpResponse response = null;
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// 执行 HTTP GET 请求
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response = mHttpClient.execute(httpGet);
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// 获取响应中的 cookie
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List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
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boolean hasAuthCookie = false;
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// 检查是否存在包含 "GTL" 的认证 cookie
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for (Cookie cookie : cookies) {
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if (cookie.getName().contains("GTL")) {
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hasAuthCookie = true;
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}
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}
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// 如果没有找到认证 cookie,记录警告
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if (!hasAuthCookie) {
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Log.w(TAG, "it seems that there is no auth cookie");
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}
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// 获取客户端版本号
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String resString = getResponseContent(response.getEntity());
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String jsBegin = "_setup(";
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String jsEnd = ")}</script>";
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int begin = resString.indexOf(jsBegin);
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int end = resString.lastIndexOf(jsEnd);
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String jsString = null;
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// 如果找到包含客户端版本号的 JSON 字符串
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if (begin!= -1 && end!= -1 && begin < end) {
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jsString = resString.substring(begin + jsBegin.length(), end);
|
|
|
|
|
}
|
|
|
|
|
// 将 JSON 字符串转换为 JSONObject
|
|
|
|
|
JSONObject js = new JSONObject(jsString);
|
|
|
|
|
// 获取客户端版本号
|
|
|
|
|
mClientVersion = js.getLong("v");
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
return false;
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
// 捕获所有异常
|
|
|
|
|
Log.e(TAG, "httpget gtask_url failed");
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取并递增操作 ID 的方法
|
|
|
|
|
private int getActionId() {
|
|
|
|
|
return mActionId++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建一个用于提交任务操作的 HttpPost 对象的方法
|
|
|
|
|
private HttpPost createHttpPost() {
|
|
|
|
|
HttpPost httpPost = new HttpPost(mPostUrl);
|
|
|
|
|
// 设置请求头的内容类型
|
|
|
|
|
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
|
|
|
|
|
// 设置请求头的 AT 字段
|
|
|
|
|
httpPost.setHeader("AT", "1");
|
|
|
|
|
return httpPost;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 从 HTTP 响应实体中获取响应内容的方法
|
|
|
|
|
private String getResponseContent(HttpEntity entity) throws IOException {
|
|
|
|
|
String contentEncoding = null;
|
|
|
|
|
// 获取响应实体的内容编码
|
|
|
|
|
if (entity.getContentEncoding()!= null) {
|
|
|
|
|
contentEncoding = entity.getContentEncoding().getValue();
|
|
|
|
|
Log.d(TAG, "encoding: " + contentEncoding);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取响应实体的输入流
|
|
|
|
|
InputStream input = entity.getContent();
|
|
|
|
|
// 如果内容编码是 gzip,解压输入流
|
|
|
|
|
if (contentEncoding!= null && contentEncoding.equalsIgnoreCase("gzip")) {
|
|
|
|
|
input = new GZIPInputStream(entity.getContent());
|
|
|
|
|
}
|
|
|
|
|
// 如果内容编码是 deflate,解压输入流
|
|
|
|
|
else if (contentEncoding!= null && contentEncoding.equalsIgnoreCase("deflate")) {
|
|
|
|
|
Inflater inflater = new Inflater(true);
|
|
|
|
|
input = new InflaterInputStream(entity.getContent(), inflater);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
|
|
|
|
// 创建输入流读取器
|
|
|
|
|
InputStreamReader isr = new InputStreamReader(input);
|
|
|
|
|
// 创建缓冲读取器
|
|
|
|
|
BufferedReader br = new BufferedReader(isr);
|
|
|
|
|
// 创建字符串构建器
|
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
|
|
|
|
|
|
// 逐行读取响应内容并添加到字符串构建器
|
|
|
|
|
while (true) {
|
|
|
|
|
String buff = br.readLine();
|
|
|
|
|
if (buff == null) {
|
|
|
|
|
return sb.toString();
|
|
|
|
|
}
|
|
|
|
|
sb = sb.append(buff);
|
|
|
|
|
}
|
|
|
|
|
} finally {
|
|
|
|
|
// 关闭输入流
|
|
|
|
|
input.close();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 向 GTask 服务器发送 POST 请求的方法
|
|
|
|
|
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
|
|
|
|
|
// 如果未登录,抛出异常
|
|
|
|
|
if (!mLoggedin) {
|
|
|
|
|
Log.e(TAG, "please login first");
|
|
|
|
|
throw new ActionFailureException("not logged in");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建 HttpPost 对象
|
|
|
|
|
HttpPost httpPost = createHttpPost();
|
|
|
|
|
try {
|
|
|
|
|
// 创建一个包含请求参数的链表
|
|
|
|
|
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
|
|
|
|
|
// 添加请求参数
|
|
|
|
|
list.add(new BasicNameValuePair("r", js.toString()));
|
|
|
|
|
// 创建 URL 编码的表单实体
|
|
|
|
|
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
|
|
|
|
|
// 设置 HttpPost 的实体
|
|
|
|
|
httpPost.setEntity(entity);
|
|
|
|
|
|
|
|
|
|
// 执行 POST 请求
|
|
|
|
|
HttpResponse response = mHttpClient.execute(httpPost);
|
|
|
|
|
// 获取响应内容并转换为 JSONObject
|
|
|
|
|
String jsString = getResponseContent(response.getEntity());
|
|
|
|
|
return new JSONObject(jsString);
|
|
|
|
|
|
|
|
|
|
} catch (ClientProtocolException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new NetworkFailureException("postRequest failed");
|
|
|
|
|
} catch (IOException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new NetworkFailureException("postRequest failed");
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new ActionFailureException("unable to convert response content to jsonobject");
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new ActionFailureException("error occurs when posting request");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建任务的方法
|
|
|
|
|
public void createTask(Task task) throws NetworkFailureException {
|
|
|
|
|
// 提交之前的更新操作
|
|
|
|
|
commitUpdate();
|
|
|
|
|
try {
|
|
|
|
|
// 创建一个用于 POST 请求的 JSONObject
|
|
|
|
|
JSONObject jsPost = new JSONObject();
|
|
|
|
|
// 创建一个包含操作的 JSON 数组
|
|
|
|
|
JSONArray actionList = new JSONArray();
|
|
|
|
|
|
|
|
|
|
// 添加创建任务的操作到 JSON 数组
|
|
|
|
|
actionList.put(task.getCreateAction(getActionId()));
|
|
|
|
|
// 将操作数组添加到请求的 JSONObject 中
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
|
|
|
|
|
|
|
|
|
|
// 添加客户端版本号到请求的 JSONObject 中
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
// 发送 POST 请求并获取响应
|
|
|
|
|
JSONObject jsResponse = postRequest(jsPost);
|
|
|
|
|
// 从响应中获取结果
|
|
|
|
|
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
|
|
|
|
|
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
|
|
|
|
|
// 设置任务的 GID
|
|
|
|
|
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
|
|
|
|
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new ActionFailureException("create task: handing jsonobject failed");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建任务列表的方法
|
|
|
|
|
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
|
|
|
|
|
// 提交之前的更新
|