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zhangqing 4 months ago
parent bd61291b63
commit 3a30d87e4d
1 changed files with 272 additions and 99 deletions
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src/小米标签代码/src/net/micode/notes/gtask/remote/GTaskClient.java
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@ -60,48 +60,65 @@ import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/**
* GTaskClient 类
* Google Tasks API客户端，负责与Google Tasks服务器进行通信
* 使用单例模式，提供登录、创建任务、更新任务、获取任务列表等功能
*/
public class GTaskClient {
// 日志标签
private static final String TAG = GTaskClient.class.getSimpleName();
// Google Tasks基础URL（用于普通访问）
private static final String GTASK_URL = "https://mail.google.com/tasks/";
// Google Tasks获取数据的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
// Google Tasks提交数据的URL
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
// 单例实例
private static GTaskClient mInstance = null;
// HTTP客户端，用于发送网络请求
private DefaultHttpClient mHttpClient;
// 获取数据的URL（可能根据账户域名变化）
private String mGetUrl;
// 提交数据的URL（可能根据账户域名变化）
private String mPostUrl;
// 客户端版本号（从服务器获取）
private long mClientVersion;
// 登录状态标志
private boolean mLoggedin;
// 最后登录时间戳
private long mLastLoginTime;
// 动作ID计数器（用于标识每个请求）
private int mActionId;
// 当前同步的Google账户
private Account mAccount;
// 待提交的更新数组（批量更新用）
private JSONArray mUpdateArray;
/**
* 私有构造函数
* 初始化所有字段为默认值
*/
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
mClientVersion = -1;
mLoggedin = false;
mLastLoginTime = 0;
mActionId = 1;
mAccount = null;
mUpdateArray = null;
mGetUrl = GTASK_GET_URL; // 默认获取URL
mPostUrl = GTASK_POST_URL; // 默认提交URL
mClientVersion = -1; // 未获取版本号
mLoggedin = false; // 未登录状态
mLastLoginTime = 0; // 最后登录时间为0
mActionId = 1; // 动作ID从1开始
mAccount = null; // 未设置账户
mUpdateArray = null; // 无待提交更新
}
/**
* 获取GTaskClient单例实例
*
* @return GTaskClient单例实例
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,153 +126,198 @@ public class GTaskClient {
return mInstance;
}
/**
* 登录到Google Tasks
* 处理Google账户认证和Tasks服务登录
*
* @param activity 活动上下文，用于账户管理器交互
* @return 登录是否成功
*/
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
final long interval = 1000 * 60 * 5;
// 假设Cookie在5分钟后过期，需要重新登录
final long interval = 1000 * 60 * 5; // 5分钟
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
mLoggedin = false; // 超过5分钟，标记为未登录
}
// need to re-login after account switch
// 切换账户后需要重新登录
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
mLoggedin = false; // 账户不匹配，标记为未登录
}
// 如果已经登录，直接返回成功
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
// 记录当前时间为最后登录时间
mLastLoginTime = System.currentTimeMillis();
// 获取Google账户认证令牌
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
return false; // 获取认证令牌失败
}
// login with custom domain if necessary
// 如果账户不是gmail.com或googlemail.com，使用自定义域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
mGetUrl = url.toString() + "ig"; // 设置自定义获取URL
mPostUrl = url.toString() + "r/ig"; // 设置自定义提交URL
// 尝试使用自定义域名登录
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
mLoggedin = true; // 登录成功
}
}
// try to login with google official url
// 如果自定义域名登录失败或不是自定义域名，尝试使用官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
mGetUrl = GTASK_GET_URL; // 恢复默认获取URL
mPostUrl = GTASK_POST_URL; // 恢复默认提交URL
if (!tryToLoginGtask(activity, authToken)) {
return false;
return false; // 登录失败
}
}
mLoggedin = true;
return true;
mLoggedin = true; // 标记为已登录
return true; // 登录成功
}
/**
* 登录Google账户并获取认证令牌
*
* @param activity 活动上下文
* @param invalidateToken 是否使旧令牌失效
* @return 认证令牌，失败返回null
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
// 获取所有Google账户
Account[] accounts = accountManager.getAccountsByType("com.google");
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
return null;
return null; // 没有可用的Google账户
}
// 从设置中获取同步账户名称
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
// 查找与设置中名称匹配的账户
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
break;
}
}
if (account != null) {
mAccount = account;
mAccount = account; // 设置当前账户
} else {
Log.e(TAG, "unable to get an account with the same name in the settings");
return null;
return null; // 找不到匹配的账户
}
// get the token now
// 获取认证令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
// 如果需要使令牌失效
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
// 重新获取新令牌
return loginGoogleAccount(activity, false);
}
} catch (Exception e) {
Log.e(TAG, "get auth token failed");
authToken = null;
authToken = null; // 获取令牌失败
}
return authToken;
}
/**
* 尝试登录Google Tasks服务
*
* @param activity 活动上下文
* @param authToken 认证令牌
* @return 登录是否成功
*/
private boolean tryToLoginGtask(Activity activity, String authToken) {
// 第一次尝试登录
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// token and try again
// 令牌可能已过期，使令牌失效并重新获取
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
return false; // 重新获取令牌失败
}
// 使用新令牌再次尝试登录
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
return false; // 再次登录失败
}
}
return true;
return true; // 登录成功
}
/**
* 实际执行Google Tasks登录
* 发送HTTP请求获取Cookie和客户端版本
*
* @param authToken 认证令牌
* @return 登录是否成功
*/
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
// 设置HTTP连接参数
int timeoutConnection = 10000; // 连接超时10秒
int timeoutSocket = 15000; // 套接字超时15秒
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
// 创建HTTP客户端
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 禁用Expect-Continue
// login gtask
// 登录Google Tasks
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
response = mHttpClient.execute(httpGet); // 执行GET请求
// get the cookie now
// 检查是否获取到认证Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) {
hasAuthCookie = true;
hasAuthCookie = true; // 找到认证Cookie
}
}
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie");
}
// get the client version
// 从响应中解析客户端版本号
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -266,31 +328,53 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
mClientVersion = js.getLong("v");
mClientVersion = js.getLong("v"); // 获取客户端版本号
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
return false; // JSON解析失败
} catch (Exception e) {
// simply catch all exceptions
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed");
return false;
return false; // HTTP请求失败
}
return true;
return true; // 登录成功
}
/**
* 获取下一个动作ID
* 每次调用递增，确保每个请求有唯一ID
*
* @return 动作ID
*/
private int getActionId() {
return mActionId++;
}
/**
* 创建HTTP POST请求对象
* 设置必要的请求头
*
* @return 配置好的HttpPost对象
*/
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
// 设置请求头
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
httpPost.setHeader("AT", "1");
httpPost.setHeader("AT", "1"); // 认证令牌头
return httpPost;
}
/**
* 从HTTP响应实体获取内容
* 支持GZIP和Deflate压缩格式
*
* @param entity HTTP响应实体
* @return 响应内容字符串
* @throws IOException 读取响应内容时发生错误
*/
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
@ -299,14 +383,16 @@ public class GTaskClient {
}
InputStream input = entity.getContent();
// 根据压缩格式创建相应的输入流
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
input = new GZIPInputStream(entity.getContent()); // GZIP解压
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
input = new InflaterInputStream(entity.getContent(), inflater); // Deflate解压
}
try {
// 读取响应内容
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
@ -314,16 +400,24 @@ public class GTaskClient {
while (true) {
String buff = br.readLine();
if (buff == null) {
return sb.toString();
return sb.toString(); // 读取完成
}
sb = sb.append(buff);
}
} finally {
input.close();
input.close(); // 确保关闭输入流
}
}
/**
* 发送POST请求到Google Tasks服务器
*
* @param js 要发送的JSON对象
* @return 服务器响应的JSON对象
* @throws NetworkFailureException 网络请求失败
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
// 检查登录状态
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
@ -331,15 +425,16 @@ public class GTaskClient {
HttpPost httpPost = createHttpPost();
try {
// 准备请求参数
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
list.add(new BasicNameValuePair("r", js.toString())); // JSON数据作为参数
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// execute the post
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
return new JSONObject(jsString); // 解析响应为JSON对象
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
@ -360,21 +455,28 @@ public class GTaskClient {
}
}
/**
* 在Google Tasks中创建新任务
*
* @param task 要创建的任务对象
* @throws NetworkFailureException 网络请求失败
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交所有待更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 构建动作列表
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送请求
JSONObject jsResponse = postRequest(jsPost);
// 从响应中提取新任务的ID
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
@ -386,21 +488,28 @@ public class GTaskClient {
}
}
/**
* 在Google Tasks中创建新任务列表
*
* @param tasklist 要创建的任务列表对象
* @throws NetworkFailureException 网络请求失败
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交所有待更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 构建动作列表
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送请求
JSONObject jsResponse = postRequest(jsPost);
// 从响应中提取新任务列表的ID
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
@ -412,19 +521,27 @@ public class GTaskClient {
}
}
/**
* 提交所有待更新的操作
* 批量提交更新，提高效率
*
* @throws NetworkFailureException 网络请求失败
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
JSONObject jsPost = new JSONObject();
// action_list
// 添加动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求
postRequest(jsPost);
mUpdateArray = null;
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
@ -433,50 +550,70 @@ public class GTaskClient {
}
}
/**
* 添加节点更新到待提交数组
* 当更新项过多时自动提交
*
* @param node 要更新的节点
* @throws NetworkFailureException 网络请求失败
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
// set max to 10 items
// 更新项过多时自动提交（最多10项）
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
// 初始化更新数组（如果为空）
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
// 添加更新动作
mUpdateArray.put(node.getUpdateAction(getActionId()));
}
}
/**
* 移动任务到新的任务列表
*
* @param task 要移动的任务
* @param preParent 原始父任务列表
* @param curParent 目标父任务列表
* @throws NetworkFailureException 网络请求失败
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交所有待更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 构建移动动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
// 在同一任务列表内移动时，设置前兄弟节点ID
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
// 在不同任务列表间移动时，设置目标列表ID
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求
postRequest(jsPost);
} catch (JSONException e) {
@ -486,22 +623,31 @@ public class GTaskClient {
}
}
/**
* 删除节点（任务或任务列表）
*
* @param node 要删除的节点
* @throws NetworkFailureException 网络请求失败
*/
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交所有待更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 设置节点为删除状态
node.setDeleted(true);
// 构建更新动作
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求
postRequest(jsPost);
mUpdateArray = null;
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
@ -509,7 +655,14 @@ public class GTaskClient {
}
}
/**
* 获取所有任务列表
*
* @return 任务列表的JSON数组
* @throws NetworkFailureException 网络请求失败
*/
public JSONArray getTaskLists() throws NetworkFailureException {
// 检查登录状态
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
@ -518,9 +671,9 @@ public class GTaskClient {
try {
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
response = mHttpClient.execute(httpGet); // 执行GET请求
// get the task list
// 解析响应内容
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -531,7 +684,9 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
// 提取任务列表数组
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
@ -547,27 +702,36 @@ public class GTaskClient {
}
}
/**
* 获取指定任务列表的所有任务
*
* @param listGid 任务列表的Google ID
* @return 任务的JSON数组
* @throws NetworkFailureException 网络请求失败
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交所有待更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 构建获取所有任务的动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求并获取响应
JSONObject jsResponse = postRequest(jsPost);
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
@ -575,11 +739,20 @@ public class GTaskClient {
}
}
/**
* 获取当前同步的账户
*
* @return 当前同步的Google账户
*/
public Account getSyncAccount() {
return mAccount;
}
/**
* 重置更新数组
* 清空所有待提交的更新
*/
public void resetUpdateArray() {
mUpdateArray = null;
}
}
}
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