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authorChristian Schneppe <christian@pix-art.de>2018-12-27 06:35:27 +0100
committerChristian Schneppe <christian@pix-art.de>2018-12-27 06:35:27 +0100
commit323313b5b62b4333afe42cccaa0c89863968396b (patch)
tree60807f6c610e4bdb2f44950359c4e1758417065d /src/main/java/de/pixart
parent75df2041c935e09a28810dc5b26ae7c22cf9f9c0 (diff)
make it possible to restore backups from decrypted database files
Diffstat (limited to 'src/main/java/de/pixart')
-rw-r--r--src/main/java/de/pixart/messenger/ui/WelcomeActivity.java340
1 files changed, 208 insertions, 132 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java b/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java
index 60461f1b6..75493d6c8 100644
--- a/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java
@@ -94,12 +94,12 @@ public class WelcomeActivity extends XmppActivity {
final Button ImportDatabase = findViewById(R.id.import_database);
final TextView ImportText = findViewById(R.id.import_text);
- if (BackupAvailable()) {
+ if (BackupAvailable() != 0) {
ImportDatabase.setVisibility(View.VISIBLE);
ImportText.setVisibility(View.VISIBLE);
}
- ImportDatabase.setOnClickListener(v -> enterPasswordDialog());
+ ImportDatabase.setOnClickListener(v -> enterPasswordDialog(BackupAvailable()));
final Button createAccount = findViewById(R.id.create_account);
createAccount.setOnClickListener(v -> {
@@ -127,157 +127,233 @@ public class WelcomeActivity extends XmppActivity {
}
- public void enterPasswordDialog() {
- LayoutInflater li = LayoutInflater.from(WelcomeActivity.this);
- View promptsView = li.inflate(R.layout.password, null);
- final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(WelcomeActivity.this);
- alertDialogBuilder.setView(promptsView);
- final EditText userInput = promptsView
- .findViewById(R.id.password);
- alertDialogBuilder.setTitle(R.string.enter_password);
- alertDialogBuilder.setMessage(R.string.enter_account_password);
- alertDialogBuilder
- .setCancelable(false)
- .setPositiveButton(R.string.ok,
- new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialog, int id) {
- final String password = userInput.getText().toString();
- final ProgressDialog pd = ProgressDialog.show(WelcomeActivity.this, getString(R.string.please_wait), getString(R.string.databaseimport_started), true);
- if (!password.isEmpty()) {
- new Thread(new Runnable() {
- @Override
- public void run() {
- try {
- checkDatabase(password);
- } catch (IOException e) {
- e.printStackTrace();
- } catch (Exception e) {
- e.printStackTrace();
+ public void enterPasswordDialog(final int backup_type) {
+ if (backup_type == 1) {
+ LayoutInflater li = LayoutInflater.from(WelcomeActivity.this);
+ View promptsView = li.inflate(R.layout.password, null);
+ final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(WelcomeActivity.this);
+ alertDialogBuilder.setView(promptsView);
+ final EditText userInput = promptsView
+ .findViewById(R.id.password);
+ alertDialogBuilder.setTitle(R.string.enter_password);
+ alertDialogBuilder.setMessage(R.string.enter_account_password);
+ alertDialogBuilder
+ .setCancelable(false)
+ .setPositiveButton(R.string.ok,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ final String password = userInput.getText().toString();
+ final ProgressDialog pd = ProgressDialog.show(WelcomeActivity.this, getString(R.string.please_wait), getString(R.string.databaseimport_started), true);
+ if (!password.isEmpty()) {
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ checkDatabase(password);
+ } catch (IOException e) {
+ e.printStackTrace();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ pd.dismiss();
}
- pd.dismiss();
- }
- }).start();
- } else {
- AlertDialog.Builder builder = new AlertDialog.Builder(WelcomeActivity.this);
- builder.setTitle(R.string.error);
- builder.setMessage(R.string.password_should_not_be_empty);
- builder.setNegativeButton(R.string.cancel, null);
- builder.setPositiveButton(R.string.try_again, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int id) {
- enterPasswordDialog();
- }
- });
- builder.create().show();
+ }).start();
+ } else {
+ AlertDialog.Builder builder = new AlertDialog.Builder(WelcomeActivity.this);
+ builder.setTitle(R.string.error);
+ builder.setMessage(R.string.password_should_not_be_empty);
+ builder.setNegativeButton(R.string.cancel, null);
+ builder.setPositiveButton(R.string.try_again, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int id) {
+ enterPasswordDialog(backup_type);
+ }
+ });
+ builder.create().show();
+ }
+ }
+ })
+ .setNegativeButton(R.string.cancel,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ Toast.makeText(WelcomeActivity.this, R.string.import_canceled, Toast.LENGTH_LONG).show();
+ dialog.dismiss();
}
}
- })
- .setNegativeButton(R.string.cancel,
- new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialog, int id) {
- Toast.makeText(WelcomeActivity.this, R.string.import_canceled, Toast.LENGTH_LONG).show();
- dialog.dismiss();
- }
- }
- );
- WelcomeActivity.this.runOnUiThread(new Runnable() {
- public void run() {
- // create alert dialog
- AlertDialog alertDialog = alertDialogBuilder.create();
- // show it
- alertDialog.show();
+ );
+ WelcomeActivity.this.runOnUiThread(new Runnable() {
+ public void run() {
+ // create alert dialog
+ AlertDialog alertDialog = alertDialogBuilder.create();
+ // show it
+ alertDialog.show();
+ }
+ });
+ } else {
+ try {
+ checkDatabase(null);
+ } catch (IOException e) {
+ e.printStackTrace();
+ } catch (Exception e) {
+ e.printStackTrace();
}
- });
+ }
}
- private boolean BackupAvailable() {
+ private int BackupAvailable() {
// Set the folder on the SDcard
- File filePath = new File(FileBackend.getBackupDirectory() + "/database.db.crypt");
- Log.d(Config.LOGTAG, "DB Path: " + filePath.toString());
- if (filePath.exists()) {
- Log.d(Config.LOGTAG, "DB Path existing");
- return true;
+ File filePath_enc = new File(FileBackend.getBackupDirectory() + "/database.db.crypt");
+ File filePath_dec = new File(FileBackend.getBackupDirectory() + "/database.db");
+ if (filePath_enc.exists()) {
+ Log.d(Config.LOGTAG, "DB Path existing (encrypted)");
+ return 1;
+ } else if (filePath_dec.exists()) {
+ Log.d(Config.LOGTAG, "DB Path existing (decrypted)");
+ return 2;
} else {
Log.d(Config.LOGTAG, "DB Path not existing");
- return false;
+ return 0;
}
}
private void checkDatabase(String DecryptionKey) throws IOException {
- // Set the folder on the SDcard
- File directory = new File(FileBackend.getBackupDirectory());
- // Set the input file stream up:
- FileInputStream InputFile = new FileInputStream(directory.getPath() + "/database.db.crypt");
- // Temp output for DB checks
- File TempFile = new File(directory.getPath() + "database.bak");
- FileOutputStream OutputTemp = new FileOutputStream(TempFile);
-
- try {
- EncryptDecryptFile.decrypt(InputFile, OutputTemp, DecryptionKey);
- } catch (NoSuchAlgorithmException e) {
- Log.d(Config.LOGTAG, "Database importer: decryption failed with " + e);
- e.printStackTrace();
- } catch (NoSuchPaddingException e) {
- Log.d(Config.LOGTAG, "Database importer: decryption failed with " + e);
- e.printStackTrace();
- } catch (InvalidKeyException e) {
- Log.d(Config.LOGTAG, "Database importer: decryption failed (invalid key) with " + e);
- e.printStackTrace();
- } catch (IOException e) {
- Log.d(Config.LOGTAG, "Database importer: decryption failed (IO) with " + e);
- e.printStackTrace();
- } catch (Exception e) {
- Log.d(Config.LOGTAG, "Database importer: Error " + e);
- e.printStackTrace();
- }
+ if (DecryptionKey != null) {
+ // Set the folder on the SDcard
+ File directory = new File(FileBackend.getBackupDirectory());
+ // Set the input file stream up:
+ FileInputStream InputFile = new FileInputStream(directory.getPath() + "/database.db.crypt");
+ // Temp output for DB checks
+ File TempFile = new File(directory.getPath() + "database.bak");
+ FileOutputStream OutputTemp = new FileOutputStream(TempFile);
- SQLiteDatabase checkDB = null;
- int DB_Version = DatabaseBackend.DATABASE_VERSION;
- int Backup_DB_Version = 0;
-
- try {
- String dbPath = TempFile.toString();
- checkDB = SQLiteDatabase.openDatabase(dbPath, null, SQLiteDatabase.OPEN_READONLY);
- Backup_DB_Version = checkDB.getVersion();
- Log.d(Config.LOGTAG, "Backup found: " + checkDB + " Version: " + checkDB.getVersion());
- } catch (SQLiteException e) {
- //database does't exist yet.
- Log.d(Config.LOGTAG, "No backup found: " + checkDB);
- } catch (Exception e) {
- Log.d(Config.LOGTAG, "Error importing backup: " + e);
- }
-
- if (checkDB != null) {
- checkDB.close();
- }
- if (checkDB != null) {
- Log.d(Config.LOGTAG, "checkDB = " + checkDB.toString() + ", Backup DB = " + Backup_DB_Version + ", DB = " + DB_Version);
- }
- if (checkDB != null && Backup_DB_Version != 0 && Backup_DB_Version <= DB_Version) {
try {
- ImportDatabase();
- importSuccessful = true;
+ EncryptDecryptFile.decrypt(InputFile, OutputTemp, DecryptionKey);
+ } catch (NoSuchAlgorithmException e) {
+ Log.d(Config.LOGTAG, "Database importer: decryption failed with " + e);
+ e.printStackTrace();
+ } catch (NoSuchPaddingException e) {
+ Log.d(Config.LOGTAG, "Database importer: decryption failed with " + e);
+ e.printStackTrace();
+ } catch (InvalidKeyException e) {
+ Log.d(Config.LOGTAG, "Database importer: decryption failed (invalid key) with " + e);
+ e.printStackTrace();
+ } catch (IOException e) {
+ Log.d(Config.LOGTAG, "Database importer: decryption failed (IO) with " + e);
+ e.printStackTrace();
} catch (Exception e) {
- importSuccessful = false;
+ Log.d(Config.LOGTAG, "Database importer: Error " + e);
e.printStackTrace();
- } finally {
- if (importSuccessful) {
- restart();
- }
}
- } else if (checkDB != null && Backup_DB_Version == 0) {
- WelcomeActivity.this.runOnUiThread(new Runnable() {
- public void run() {
- Toast.makeText(WelcomeActivity.this, R.string.Password_wrong, Toast.LENGTH_LONG).show();
- enterPasswordDialog();
+
+ SQLiteDatabase checkDB = null;
+ int DB_Version = DatabaseBackend.DATABASE_VERSION;
+ int Backup_DB_Version = 0;
+
+ try {
+ String dbPath = TempFile.toString();
+ checkDB = SQLiteDatabase.openDatabase(dbPath, null, SQLiteDatabase.OPEN_READONLY);
+ Backup_DB_Version = checkDB.getVersion();
+ Log.d(Config.LOGTAG, "Backup found: " + checkDB + " Version: " + checkDB.getVersion());
+ } catch (SQLiteException e) {
+ //database does't exist yet.
+ Log.d(Config.LOGTAG, "No backup found: " + checkDB);
+ } catch (Exception e) {
+ Log.d(Config.LOGTAG, "Error importing backup: " + e);
+ }
+
+ if (checkDB != null) {
+ checkDB.close();
+ }
+ if (checkDB != null) {
+ Log.d(Config.LOGTAG, "checkDB = " + checkDB.toString() + ", Backup DB = " + Backup_DB_Version + ", DB = " + DB_Version);
+ }
+ if (checkDB != null && Backup_DB_Version != 0 && Backup_DB_Version <= DB_Version) {
+ try {
+ ImportDatabase();
+ importSuccessful = true;
+ } catch (Exception e) {
+ importSuccessful = false;
+ e.printStackTrace();
+ } finally {
+ if (importSuccessful) {
+ restart();
+ }
}
- });
+ } else if (checkDB != null && Backup_DB_Version == 0) {
+ WelcomeActivity.this.runOnUiThread(new Runnable() {
+ public void run() {
+ Toast.makeText(WelcomeActivity.this, R.string.Password_wrong, Toast.LENGTH_LONG).show();
+ enterPasswordDialog(1);
+ }
+ });
+ } else {
+ WelcomeActivity.this.runOnUiThread(new Runnable() {
+ public void run() {
+ Toast.makeText(WelcomeActivity.this, R.string.Import_failed, Toast.LENGTH_LONG).show();
+ }
+ });
+ }
} else {
- WelcomeActivity.this.runOnUiThread(new Runnable() {
- public void run() {
- Toast.makeText(WelcomeActivity.this, R.string.Import_failed, Toast.LENGTH_LONG).show();
+ // Set the folder on the SDcard
+ File directory = new File(FileBackend.getBackupDirectory());
+ // Set the input file stream up:
+ FileInputStream InputFile = new FileInputStream(directory.getPath() + "/database.db");
+ // Temp output for DB checks
+ File TempFile = new File(directory.getPath() + "database.bak");
+ FileOutputStream OutputTemp = new FileOutputStream(TempFile);
+
+ try {
+ // Transfer bytes from in to out
+ byte[] buf = new byte[1024];
+ int len;
+ while ((len = InputFile.read(buf)) > 0) {
+ OutputTemp.write(buf, 0, len);
}
- });
+ } finally {
+ OutputTemp.close();
+ }
+
+ SQLiteDatabase checkDB = null;
+ int DB_Version = DatabaseBackend.DATABASE_VERSION;
+ int Backup_DB_Version = 0;
+
+ try {
+ String dbPath = TempFile.toString();
+ checkDB = SQLiteDatabase.openDatabase(dbPath, null, SQLiteDatabase.OPEN_READONLY);
+ Backup_DB_Version = checkDB.getVersion();
+ Log.d(Config.LOGTAG, "Backup found: " + checkDB + " Version: " + checkDB.getVersion());
+ } catch (SQLiteException e) {
+ //database does't exist yet.
+ Log.d(Config.LOGTAG, "No backup found: " + checkDB);
+ } catch (Exception e) {
+ Log.d(Config.LOGTAG, "Error importing backup: " + e);
+ }
+
+ if (checkDB != null) {
+ checkDB.close();
+ }
+ if (checkDB != null) {
+ Log.d(Config.LOGTAG, "checkDB = " + checkDB.toString() + ", Backup DB = " + Backup_DB_Version + ", DB = " + DB_Version);
+ }
+ if (checkDB != null && Backup_DB_Version != 0 && Backup_DB_Version <= DB_Version) {
+ try {
+ ImportDatabase();
+ importSuccessful = true;
+ } catch (Exception e) {
+ importSuccessful = false;
+ e.printStackTrace();
+ } finally {
+ if (importSuccessful) {
+ restart();
+ }
+ }
+ } else {
+ WelcomeActivity.this.runOnUiThread(new Runnable() {
+ public void run() {
+ Toast.makeText(WelcomeActivity.this, R.string.Import_failed, Toast.LENGTH_LONG).show();
+ }
+ });
+ }
}
}