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108 changes: 108 additions & 0 deletions
108
app/src/main/java/io/github/hiro/lime/hooks/AutomaticBackup.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| package io.github.hiro.lime.hooks; | ||
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| import android.app.Activity; | ||
| import android.content.Context; | ||
| import android.content.SharedPreferences; | ||
| import android.os.Environment; | ||
| import android.util.Log; | ||
| import android.widget.Toast; | ||
| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.nio.channels.FileChannel; | ||
| import java.text.SimpleDateFormat; | ||
| import java.util.Date; | ||
| import java.util.Locale; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.ScheduledExecutorService; | ||
| import java.util.concurrent.TimeUnit; | ||
| import de.robv.android.xposed.XC_MethodHook; | ||
| import de.robv.android.xposed.XposedBridge; | ||
| import de.robv.android.xposed.callbacks.XC_LoadPackage; | ||
| import io.github.hiro.lime.LimeOptions; | ||
| import io.github.hiro.lime.hooks.IHook; | ||
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| public class AutomaticBackup implements IHook { | ||
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| private static final String TAG = "AutomaticBackup"; | ||
| private ScheduledExecutorService scheduler; | ||
| private static final String PREFS_NAME = "BackupPrefs"; | ||
| public static final String KEY_BACKUP_INTERVAL = "backup_interval_in_millis"; | ||
| private static final long DAILY_INTERVAL = 24 * 60 * 60 * 1000; | ||
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| @Override | ||
| public void hook(LimeOptions limeOptions, XC_LoadPackage.LoadPackageParam loadPackageParam) throws Throwable { | ||
| if (!limeOptions.AutomaticBackup.checked) return; | ||
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| XposedBridge.hookAllMethods(Activity.class, "onCreate", new XC_MethodHook() { | ||
| @Override | ||
| protected void afterHookedMethod(MethodHookParam param) throws Throwable { | ||
| Activity activity = (Activity) param.thisObject; | ||
| Context appContext = activity.getApplicationContext(); | ||
| if (scheduler == null || scheduler.isShutdown()) { | ||
| startScheduledBackup(appContext); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| private void startScheduledBackup(Context appContext) { | ||
| // 1日ごとにバックアップを行う | ||
| if (scheduler == null) { | ||
| scheduler = Executors.newScheduledThreadPool(1); | ||
| scheduler.scheduleAtFixedRate(() -> checkAndBackupChatHistory(appContext), 0, DAILY_INTERVAL, TimeUnit.MILLISECONDS); | ||
| } | ||
| } | ||
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| private void checkAndBackupChatHistory(Context appContext) { | ||
| File backupDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), "LimeBackup"); | ||
| File[] backupFiles = backupDir.listFiles((dir, name) -> name.startsWith("naver_line_backup_")); | ||
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| long currentTime = System.currentTimeMillis(); | ||
| long lastBackupTime = 0; | ||
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| if (backupFiles != null && backupFiles.length > 0) { | ||
| File latestBackupFile = backupFiles[0]; | ||
| for (File file : backupFiles) { | ||
| if (file.lastModified() > latestBackupFile.lastModified()) { | ||
| latestBackupFile = file; | ||
| } | ||
| } | ||
| lastBackupTime = latestBackupFile.lastModified(); | ||
| } | ||
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| // 最後のバックアップから指定された間隔が経過しているか確認 | ||
| if (currentTime - lastBackupTime >= DAILY_INTERVAL) { | ||
| backupChatHistory(appContext); | ||
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| } | ||
| } | ||
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| private void backupChatHistory(Context appContext) { | ||
| File originalDbFile = appContext.getDatabasePath("naver_line"); | ||
| File backupDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), "LimeBackup"); | ||
| if (!backupDir.exists() && !backupDir.mkdirs()) { | ||
| return; | ||
| } | ||
| String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date()); | ||
| File backupFileWithTimestamp = new File(backupDir, "naver_line_backup_" + timeStamp + ".db"); | ||
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| try (FileChannel source = new FileInputStream(originalDbFile).getChannel()) { | ||
| try (FileChannel destinationWithTimestamp = new FileOutputStream(backupFileWithTimestamp).getChannel()) { | ||
| destinationWithTimestamp.transferFrom(source, 0, source.size()); | ||
| } | ||
| showToast(appContext, "自動バックアップが成功しました"); // トーストをUIスレッドで表示 | ||
|
|
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| } catch (IOException e) { | ||
| showToast(appContext, "自動バックアップ中にエラーが発生しました: " + e.getMessage()); | ||
| } | ||
| } | ||
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| // トーストをUIスレッドで表示するヘルパーメソッド | ||
| private void showToast(final Context context, final String message) { | ||
| new android.os.Handler(context.getMainLooper()).post(() -> | ||
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show() | ||
| ); | ||
| } | ||
| } |
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