mirror of https://github.com/M66B/FairEmail.git
M66B
7 months ago
parent
030800bd5b
commit
e6444931a6
@ -0,0 +1,225 @@
|
|||||||
|
package eu.faircode.email;
|
||||||
|
|
||||||
|
/*
|
||||||
|
This file is part of FairEmail.
|
||||||
|
|
||||||
|
FairEmail is free software: you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation, either version 3 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
FairEmail is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
Copyright 2018-2024 by Marcel Bokhorst (M66B)
|
||||||
|
*/
|
||||||
|
|
||||||
|
import android.app.backup.BackupAgent;
|
||||||
|
import android.app.backup.BackupDataInput;
|
||||||
|
import android.app.backup.BackupDataOutput;
|
||||||
|
import android.app.backup.BackupManager;
|
||||||
|
import android.content.Context;
|
||||||
|
import android.content.SharedPreferences;
|
||||||
|
import android.os.ParcelFileDescriptor;
|
||||||
|
import android.text.TextUtils;
|
||||||
|
|
||||||
|
import androidx.preference.PreferenceManager;
|
||||||
|
|
||||||
|
import org.json.JSONArray;
|
||||||
|
import org.json.JSONException;
|
||||||
|
import org.json.JSONObject;
|
||||||
|
|
||||||
|
import java.io.DataInputStream;
|
||||||
|
import java.io.DataOutputStream;
|
||||||
|
import java.io.FileInputStream;
|
||||||
|
import java.io.FileOutputStream;
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.nio.charset.StandardCharsets;
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Objects;
|
||||||
|
|
||||||
|
public class FairEmailBackupAgent extends BackupAgent {
|
||||||
|
// https://developer.android.com/identity/data/keyvaluebackup#BackupAgent
|
||||||
|
// https://developer.android.com/identity/data/testingbackup#Preparing
|
||||||
|
|
||||||
|
private static final String KEY_JSON = "eu.faircode.email.json";
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) throws IOException {
|
||||||
|
DB db = DB.getInstance(this);
|
||||||
|
|
||||||
|
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
|
||||||
|
boolean enabled = prefs.getBoolean("google_backup", BuildConfig.PLAY_STORE_RELEASE);
|
||||||
|
|
||||||
|
EntityLog.log(this, "Backup start enabled=" + enabled);
|
||||||
|
|
||||||
|
if (!enabled)
|
||||||
|
return;
|
||||||
|
|
||||||
|
try {
|
||||||
|
JSONObject jroot = new JSONObject();
|
||||||
|
|
||||||
|
JSONObject jsettings = new JSONObject();
|
||||||
|
jsettings.put("enabled", prefs.getBoolean("enabled", true));
|
||||||
|
jsettings.put("poll_interval", prefs.getInt("poll_interval", 0));
|
||||||
|
String theme = prefs.getString("theme", null);
|
||||||
|
if (!TextUtils.isEmpty(theme))
|
||||||
|
jsettings.put("theme", theme);
|
||||||
|
jsettings.put("beige", prefs.getBoolean("beige", true));
|
||||||
|
jsettings.put("cards", prefs.getBoolean("cards", true));
|
||||||
|
jsettings.put("threading", prefs.getBoolean("threading", true));
|
||||||
|
jroot.put("settings", jsettings);
|
||||||
|
|
||||||
|
JSONArray jaccounts = new JSONArray();
|
||||||
|
List<EntityAccount> accounts = db.account().getAccounts();
|
||||||
|
EntityLog.log(this, "Backup accounts=" + accounts.size());
|
||||||
|
for (EntityAccount account : accounts)
|
||||||
|
try {
|
||||||
|
JSONObject jaccount = account.toJSON();
|
||||||
|
|
||||||
|
JSONArray jfolders = new JSONArray();
|
||||||
|
List<EntityFolder> folders = db.folder().getFolders(account.id, false, true);
|
||||||
|
for (EntityFolder folder : folders)
|
||||||
|
if (!EntityFolder.USER.equals(folder.type))
|
||||||
|
jfolders.put(folder.toJSON());
|
||||||
|
jaccount.put("folders", jfolders);
|
||||||
|
|
||||||
|
JSONArray jidentities = new JSONArray();
|
||||||
|
List<EntityIdentity> identities = db.identity().getIdentities(account.id);
|
||||||
|
for (EntityIdentity identity : identities)
|
||||||
|
jidentities.put(identity.toJSON());
|
||||||
|
jaccount.put("identities", jidentities);
|
||||||
|
|
||||||
|
jaccounts.put(jaccount);
|
||||||
|
} catch (JSONException ex) {
|
||||||
|
Log.e(ex);
|
||||||
|
}
|
||||||
|
jroot.put("accounts", jaccounts);
|
||||||
|
|
||||||
|
byte[] dataBuf = jroot.toString().getBytes(StandardCharsets.UTF_8);
|
||||||
|
String dataHash = Helper.sha256(dataBuf);
|
||||||
|
|
||||||
|
String lastHash = null;
|
||||||
|
try {
|
||||||
|
FileInputStream instream = new FileInputStream(oldState.getFileDescriptor());
|
||||||
|
DataInputStream in = new DataInputStream(instream);
|
||||||
|
lastHash = in.readUTF();
|
||||||
|
} catch (IOException ex) {
|
||||||
|
Log.i(ex);
|
||||||
|
}
|
||||||
|
|
||||||
|
boolean write = !Objects.equals(dataHash, lastHash);
|
||||||
|
EntityLog.log(this, "Backup write=" + write);
|
||||||
|
if (write) {
|
||||||
|
data.writeEntityHeader(KEY_JSON, dataBuf.length);
|
||||||
|
data.writeEntityData(dataBuf, dataBuf.length);
|
||||||
|
}
|
||||||
|
|
||||||
|
FileOutputStream outstream = new FileOutputStream(newState.getFileDescriptor());
|
||||||
|
DataOutputStream out = new DataOutputStream(outstream);
|
||||||
|
out.writeUTF(dataHash);
|
||||||
|
} catch (Throwable ex) {
|
||||||
|
Log.e(ex);
|
||||||
|
}
|
||||||
|
|
||||||
|
EntityLog.log(this, "Backup end");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) throws
|
||||||
|
IOException {
|
||||||
|
EntityLog.log(this, "Restore start");
|
||||||
|
|
||||||
|
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
|
||||||
|
|
||||||
|
while (data.readNextHeader()) {
|
||||||
|
String dataKey = data.getKey();
|
||||||
|
int dataSize = data.getDataSize();
|
||||||
|
EntityLog.log(this, "Restore key=" + dataKey + " size=" + dataSize);
|
||||||
|
|
||||||
|
if (KEY_JSON.equals(dataKey)) {
|
||||||
|
byte[] dataBuf = new byte[dataSize];
|
||||||
|
data.readEntityData(dataBuf, 0, dataSize);
|
||||||
|
try {
|
||||||
|
JSONObject jroot = new JSONObject(new String(dataBuf, StandardCharsets.UTF_8));
|
||||||
|
|
||||||
|
JSONObject jsettings = jroot.getJSONObject("settings");
|
||||||
|
SharedPreferences.Editor editor = prefs.edit();
|
||||||
|
editor.putBoolean("enabled", jsettings.optBoolean("enabled"));
|
||||||
|
editor.putInt("poll_interval", jsettings.optInt("poll_interval", 0));
|
||||||
|
String theme = jsettings.optString("theme", null);
|
||||||
|
if (!TextUtils.isEmpty(theme))
|
||||||
|
editor.putString("theme", theme);
|
||||||
|
editor.putBoolean("beige", jsettings.optBoolean("beige", true));
|
||||||
|
editor.putBoolean("cards", jsettings.optBoolean("cards", true));
|
||||||
|
editor.putBoolean("threading", jsettings.optBoolean("threading", true));
|
||||||
|
editor.putBoolean("google_backup", true);
|
||||||
|
editor.apply();
|
||||||
|
|
||||||
|
JSONArray jaccounts = jroot.getJSONArray("accounts");
|
||||||
|
EntityLog.log(this, "Restore accounts=" + jaccounts.length());
|
||||||
|
|
||||||
|
DB db = DB.getInstance(this);
|
||||||
|
for (int i = 0; i < jaccounts.length(); i++)
|
||||||
|
try {
|
||||||
|
db.beginTransaction();
|
||||||
|
|
||||||
|
EntityLog.log(this, "Restoring account=" + i);
|
||||||
|
|
||||||
|
JSONObject jaccount = jaccounts.getJSONObject(i);
|
||||||
|
JSONArray jfolders = jaccount.getJSONArray("folders");
|
||||||
|
JSONArray jidentities = jaccount.getJSONArray("identities");
|
||||||
|
EntityAccount account = EntityAccount.fromJSON(jaccount);
|
||||||
|
if (TextUtils.isEmpty(account.uuid) ||
|
||||||
|
db.account().getAccountByUUID(account.uuid) != null)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (account.auth_type == ServiceAuthenticator.AUTH_TYPE_GMAIL)
|
||||||
|
account.synchronize = false;
|
||||||
|
|
||||||
|
account.id = db.account().insertAccount(account);
|
||||||
|
|
||||||
|
for (int j = 0; j < jfolders.length(); j++) {
|
||||||
|
EntityFolder folder = EntityFolder.fromJSON(jfolders.getJSONObject(j));
|
||||||
|
folder.account = account.id;
|
||||||
|
db.folder().insertFolder(folder);
|
||||||
|
}
|
||||||
|
|
||||||
|
for (int j = 0; j < jidentities.length(); j++) {
|
||||||
|
EntityIdentity identity = EntityIdentity.fromJSON(jidentities.getJSONObject(j));
|
||||||
|
identity.account = account.id;
|
||||||
|
db.identity().insertIdentity(identity);
|
||||||
|
}
|
||||||
|
|
||||||
|
EntityLog.log(this, "Restored account=" + account.name);
|
||||||
|
|
||||||
|
db.setTransactionSuccessful();
|
||||||
|
} catch (Throwable ex) {
|
||||||
|
Log.e(ex);
|
||||||
|
} finally {
|
||||||
|
db.endTransaction();
|
||||||
|
}
|
||||||
|
} catch (Throwable ex) {
|
||||||
|
Log.e(ex);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
data.skipEntityData();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
EntityLog.log(this, "Restore end");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void dataChanged(Context context) {
|
||||||
|
try {
|
||||||
|
new BackupManager(context).dataChanged();
|
||||||
|
} catch (Throwable ex) {
|
||||||
|
Log.e(ex);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in new issue