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Support for full backup/restore to sdcard

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Moxie Marlinspike
2018-02-26 09:58:18 -08:00
parent 9f6b761d98
commit 24e573e537
41 changed files with 5884 additions and 269 deletions
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23
src/org/thoughtcrime/securesms/crypto/IdentityKeyUtil.java
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@@ -1,4 +1,4 @@
/**
/*
* Copyright (C) 2011 Whisper Systems
* Copyright (C) 2013 Open Whisper Systems
*
@@ -22,6 +22,7 @@ import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.support.annotation.NonNull;
import org.thoughtcrime.securesms.backup.BackupProtos;
import org.thoughtcrime.securesms.util.Base64;
import org.whispersystems.libsignal.IdentityKey;
import org.whispersystems.libsignal.IdentityKeyPair;
@@ -31,6 +32,8 @@ import org.whispersystems.libsignal.ecc.ECKeyPair;
import org.whispersystems.libsignal.ecc.ECPrivateKey;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
/**
* Utility class for working with identity keys.
@@ -40,6 +43,7 @@ import java.io.IOException;
public class IdentityKeyUtil {
@SuppressWarnings("unused")
private static final String TAG = IdentityKeyUtil.class.getSimpleName();
private static final String IDENTITY_PUBLIC_KEY_CIPHERTEXT_LEGACY_PREF = "pref_identity_public_curve25519";
@@ -107,6 +111,23 @@ public class IdentityKeyUtil {
}
}
public static List<BackupProtos.SharedPreference> getBackupRecord(@NonNull Context context) {
SharedPreferences preferences = context.getSharedPreferences(MasterSecretUtil.PREFERENCES_NAME, 0);
return new LinkedList<BackupProtos.SharedPreference>() {{
add(BackupProtos.SharedPreference.newBuilder()
.setFile(MasterSecretUtil.PREFERENCES_NAME)
.setKey(IDENTITY_PUBLIC_KEY_PREF)
.setValue(preferences.getString(IDENTITY_PUBLIC_KEY_PREF, null))
.build());
add(BackupProtos.SharedPreference.newBuilder()
.setFile(MasterSecretUtil.PREFERENCES_NAME)
.setKey(IDENTITY_PRIVATE_KEY_PREF)
.setValue(preferences.getString(IDENTITY_PRIVATE_KEY_PREF, null))
.build());
}};
}
private static boolean hasLegacyIdentityKeys(Context context) {
return
retrieve(context, IDENTITY_PUBLIC_KEY_CIPHERTEXT_LEGACY_PREF) != null &&