wolfplus
1 year ago
4 changed files with 7 additions and 190 deletions
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package com.yunqiinnovation.deepsound |
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import android.content.Context |
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import androidx.security.crypto.EncryptedSharedPreferences |
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import androidx.security.crypto.MasterKey |
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import com.yunqiinnovation.deepvoice_utils.FileLogger |
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/** |
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* 通用工具类，包含安全存储等功能 |
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*/ |
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object Utils { |
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private const val TAG = "Utils" |
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private const val SECURE_PREFS_FILENAME = "deep_voice_secure_prefs" |
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private const val KEY_SESSION_ID = "session_id" |
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/** |
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* 安全存储数据 |
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* @param context 上下文 |
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* @param dataMap 要存储的键值对字典 |
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* @return 是否成功存储 |
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*/ |
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fun saveSecureData(context: Context, dataMap: Map<String, String?>): Boolean { |
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return try { |
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// 创建或获取主密钥 |
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val masterKey = MasterKey.Builder(context) |
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.setKeyScheme(MasterKey.KeyScheme.AES256_GCM) |
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.build() |
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// 创建加密SharedPreferences |
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val sharedPreferences = EncryptedSharedPreferences.create( |
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context, |
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SECURE_PREFS_FILENAME, |
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masterKey, |
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EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, |
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EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM |
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) |
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// 获取或生成会话ID |
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var sessionId = sharedPreferences.getString(KEY_SESSION_ID, "") ?: "" |
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if (sessionId.isEmpty()) { |
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sessionId = java.util.UUID.randomUUID().toString() |
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} |
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// 开始编辑会话 |
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val editor = sharedPreferences.edit() |
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// 保存会话ID |
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editor.putString(KEY_SESSION_ID, sessionId) |
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// 保存所有键值对 |
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for ((key, value) in dataMap) { |
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if (value != null) { |
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editor.putString(key, value) |
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} else { |
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editor.remove(key) |
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} |
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} |
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// 提交更改 |
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editor.apply() |
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FileLogger.d(TAG, "数据已安全保存到加密存储中") |
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true |
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} catch (e: Exception) { |
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FileLogger.e(TAG, "保存数据到加密存储失败", e) |
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false |
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} |
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} |
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/** |
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* 从安全存储中读取所有数据 |
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* @param context 上下文 |
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* @return 包含所有数据的键值对字典 |
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*/ |
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fun loadAllSecureData(context: Context): Map<String, String> { |
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return try { |
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val resultMap = mutableMapOf<String, String>() |
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// 创建或获取主密钥 |
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val masterKey = MasterKey.Builder(context) |
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.setKeyScheme(MasterKey.KeyScheme.AES256_GCM) |
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.build() |
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// 创建加密SharedPreferences |
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val sharedPreferences = EncryptedSharedPreferences.create( |
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context, |
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SECURE_PREFS_FILENAME, |
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masterKey, |
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EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, |
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EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM |
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) |
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// 读取所有数据 |
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for ((key, value) in sharedPreferences.all) { |
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if (value is String) { |
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resultMap[key] = value |
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} |
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} |
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FileLogger.d(TAG, "已从加密存储加载所有数据") |
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resultMap |
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} catch (e: Exception) { |
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FileLogger.e(TAG, "从加密存储加载所有数据失败", e) |
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emptyMap() |
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} |
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} |
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/** |
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* 清除所有安全存储的数据 |
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* @param context 上下文 |
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* @return 是否成功清除 |
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*/ |
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fun clearAllSecureData(context: Context): Boolean { |
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return try { |
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// 创建或获取主密钥 |
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val masterKey = MasterKey.Builder(context) |
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.setKeyScheme(MasterKey.KeyScheme.AES256_GCM) |
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.build() |
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// 创建加密SharedPreferences |
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val sharedPreferences = EncryptedSharedPreferences.create( |
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context, |
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SECURE_PREFS_FILENAME, |
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masterKey, |
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EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, |
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EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM |
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) |
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// 生成新的会话ID |
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val sessionId = java.util.UUID.randomUUID().toString() |
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// 清除所有数据 |
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sharedPreferences.edit().clear() |
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.putString(KEY_SESSION_ID, sessionId) |
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.apply() |
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FileLogger.d(TAG, "已清除所有安全存储的数据") |
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true |
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} catch (e: Exception) { |
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FileLogger.e(TAG, "清除安全存储数据失败", e) |
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false |
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} |
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} |
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} |
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