mirror of https://github.com/beemdevelopment/Aegis
Merge remote-tracking branch 'upstream/master'
commit
f543802f9e
@ -1,155 +1,23 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
// modified for use in Aegis
|
||||
import com.google.common.io.BaseEncoding;
|
||||
|
||||
/* (PD) 2001 The Bitzi Corporation
|
||||
* Please see http://bitzi.com/publicdomain for more info.
|
||||
*
|
||||
* As modified by Patrick Woodworth:
|
||||
*
|
||||
* Copyright 2011 Patrick Woodworth
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* Base32 - encodes and decodes RFC3548 Base32
|
||||
* (see http://www.faqs.org/rfcs/rfc3548.html )
|
||||
*
|
||||
* @author Robert Kaye
|
||||
* @author Gordon Mohr
|
||||
*/
|
||||
public class Base32 {
|
||||
private static final String base32Chars =
|
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
|
||||
private static final int[] base32Lookup =
|
||||
{ 0xFF,0xFF,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F, // '0', '1', '2', '3', '4', '5', '6', '7'
|
||||
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, // '8', '9', ':', ';', '<', '=', '>', '?'
|
||||
0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06, // '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G'
|
||||
0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E, // 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'
|
||||
0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16, // 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W'
|
||||
0x17,0x18,0x19,0xFF,0xFF,0xFF,0xFF,0xFF, // 'X', 'Y', 'Z', '[', '\', ']', '^', '_'
|
||||
0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06, // '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g'
|
||||
0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E, // 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o'
|
||||
0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16, // 'p', 'q', 'r', 's', 't', 'u', 'v', 'w'
|
||||
0x17,0x18,0x19,0xFF,0xFF,0xFF,0xFF,0xFF // 'x', 'y', 'z', '{', '|', '}', '~', 'DEL'
|
||||
};
|
||||
|
||||
/**
|
||||
* Encodes byte array to Base32 String.
|
||||
*
|
||||
* @param bytes Bytes to encode.
|
||||
* @return Encoded byte array <code>bytes</code> as a String.
|
||||
*
|
||||
*/
|
||||
public static char[] encode(final byte[] bytes) {
|
||||
int i = 0, index = 0, digit = 0, j = 0;
|
||||
int currByte, nextByte;
|
||||
char[] base32 = new char[(bytes.length + 7) * 8 / 5];
|
||||
|
||||
while (i < bytes.length) {
|
||||
currByte = (bytes[i] >= 0) ? bytes[i] : (bytes[i] + 256); // unsign
|
||||
private static final BaseEncoding _encoding = BaseEncoding.base32().omitPadding();
|
||||
|
||||
/* Is the current digit going to span a byte boundary? */
|
||||
if (index > 3) {
|
||||
if ((i + 1) < bytes.length) {
|
||||
nextByte =
|
||||
(bytes[i + 1] >= 0) ? bytes[i + 1] : (bytes[i + 1] + 256);
|
||||
} else {
|
||||
nextByte = 0;
|
||||
}
|
||||
private Base32() {
|
||||
|
||||
digit = currByte & (0xFF >> index);
|
||||
index = (index + 5) % 8;
|
||||
digit <<= index;
|
||||
digit |= nextByte >> (8 - index);
|
||||
i++;
|
||||
} else {
|
||||
digit = (currByte >> (8 - (index + 5))) & 0x1F;
|
||||
index = (index + 5) % 8;
|
||||
if (index == 0)
|
||||
i++;
|
||||
}
|
||||
base32[j++] = base32Chars.charAt(digit);
|
||||
}
|
||||
|
||||
return Arrays.copyOf(base32, j);
|
||||
}
|
||||
|
||||
/**
|
||||
* Decodes the given Base32 String to a raw byte array.
|
||||
*
|
||||
* @param base32
|
||||
* @return Decoded <code>base32</code> String as a raw byte array.
|
||||
*/
|
||||
public static byte[] decode(final char[] base32) throws Base32Exception {
|
||||
int i, index, lookup, offset, digit;
|
||||
byte[] bytes = new byte[base32.length * 5 / 8];
|
||||
|
||||
for (i = 0, index = 0, offset = 0; i < base32.length; i++) {
|
||||
// stop decoding when a padding char is encountered
|
||||
if (base32[i] == '=') {
|
||||
// make sure the rest is also padding, but don't bother verifying the length
|
||||
for (int j = i + 1; j < base32.length; j++) {
|
||||
if (base32[j] != '=') {
|
||||
throw new Base32Exception("bad padding");
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
lookup = base32[i] - '0';
|
||||
digit = decodeDigit(lookup);
|
||||
|
||||
if (index <= 3) {
|
||||
index = (index + 5) % 8;
|
||||
if (index == 0) {
|
||||
bytes[offset] |= digit;
|
||||
offset++;
|
||||
if (offset >= bytes.length)
|
||||
break;
|
||||
} else {
|
||||
bytes[offset] |= digit << (8 - index);
|
||||
}
|
||||
} else {
|
||||
index = (index + 5) % 8;
|
||||
bytes[offset] |= (digit >>> index);
|
||||
offset++;
|
||||
|
||||
if (offset >= bytes.length) {
|
||||
break;
|
||||
}
|
||||
bytes[offset] |= digit << (8 - index);
|
||||
}
|
||||
public static byte[] decode(String s) throws EncodingException {
|
||||
try {
|
||||
return _encoding.decode(s.toUpperCase());
|
||||
} catch (IllegalArgumentException e) {
|
||||
throw new EncodingException(e);
|
||||
}
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private static int decodeDigit(int c) throws Base32Exception {
|
||||
/* Skip chars outside the lookup table */
|
||||
if (c < 0 || c >= base32Lookup.length) {
|
||||
throw new Base32Exception("char not found in base32 lookup table");
|
||||
}
|
||||
|
||||
int digit = base32Lookup[c];
|
||||
|
||||
/* If this digit is not in the table, ignore it */
|
||||
if (digit == 0xFF) {
|
||||
throw new Base32Exception("char not found in base32 lookup table");
|
||||
}
|
||||
|
||||
return digit;
|
||||
public static String encode(byte[] data) {
|
||||
return _encoding.encode(data);
|
||||
}
|
||||
}
|
||||
|
@ -1,7 +0,0 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
public class Base32Exception extends Exception {
|
||||
public Base32Exception(String message) {
|
||||
super(message);
|
||||
}
|
||||
}
|
@ -1,24 +1,27 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
import com.google.common.io.BaseEncoding;
|
||||
|
||||
import java.nio.charset.StandardCharsets;
|
||||
|
||||
public class Base64 {
|
||||
private static final int _flags = android.util.Base64.NO_WRAP;
|
||||
|
||||
private Base64() {
|
||||
|
||||
}
|
||||
|
||||
public static byte[] decode(String s) throws Base64Exception {
|
||||
public static byte[] decode(String s) throws EncodingException {
|
||||
try {
|
||||
return android.util.Base64.decode(s, _flags);
|
||||
return BaseEncoding.base64().decode(s);
|
||||
} catch (IllegalArgumentException e) {
|
||||
throw new Base64Exception(e);
|
||||
throw new EncodingException(e);
|
||||
}
|
||||
}
|
||||
|
||||
public static byte[] decode(byte[] s) throws EncodingException {
|
||||
return decode(new String(s, StandardCharsets.UTF_8));
|
||||
}
|
||||
|
||||
public static String encode(byte[] data) {
|
||||
byte[] encoded = android.util.Base64.encode(data, _flags);
|
||||
return new String(encoded, StandardCharsets.UTF_8);
|
||||
return BaseEncoding.base64().encode(data);
|
||||
}
|
||||
}
|
||||
|
@ -1,7 +0,0 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
public class Base64Exception extends Exception {
|
||||
public Base64Exception(Throwable cause) {
|
||||
super(cause);
|
||||
}
|
||||
}
|
@ -0,0 +1,9 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
public class EncodingException extends IOException {
|
||||
public EncodingException(Throwable cause) {
|
||||
super(cause);
|
||||
}
|
||||
}
|
@ -1,46 +1,21 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
// The hexadecimal utility functions in this file were taken and modified from: http://www.docjar.com/html/api/com/sun/xml/internal/bind/DatatypeConverterImpl.java.html
|
||||
// It is licensed under GPLv2 with a classpath exception.
|
||||
import com.google.common.io.BaseEncoding;
|
||||
|
||||
public class Hex {
|
||||
private Hex() {
|
||||
}
|
||||
|
||||
private static int hexToBin(char ch) {
|
||||
if ('0' <= ch && ch <= '9') return ch - '0';
|
||||
if ('A' <= ch && ch <= 'F') return ch - 'A' + 10;
|
||||
if ('a' <= ch && ch <= 'f') return ch - 'a' + 10;
|
||||
return -1;
|
||||
}
|
||||
|
||||
private static final char[] hexCode = "0123456789abcdef".toCharArray();
|
||||
|
||||
public static byte[] decode(String s) throws HexException {
|
||||
final int len = s.length();
|
||||
|
||||
if (len % 2 != 0)
|
||||
throw new HexException("hexBinary needs to be even-length: " + s);
|
||||
|
||||
byte[] out = new byte[len / 2];
|
||||
|
||||
for (int i = 0; i < len; i += 2) {
|
||||
int h = hexToBin(s.charAt(i));
|
||||
int l = hexToBin(s.charAt(i + 1));
|
||||
if (h == -1 || l == -1)
|
||||
throw new HexException("contains illegal character for hexBinary: " + s);
|
||||
|
||||
out[i / 2] = (byte) (h * 16 + l);
|
||||
public static byte[] decode(String s) throws EncodingException {
|
||||
try {
|
||||
return BaseEncoding.base16().decode(s.toUpperCase());
|
||||
} catch (IllegalArgumentException e) {
|
||||
throw new EncodingException(e);
|
||||
}
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
public static String encode(byte[] data) {
|
||||
StringBuilder r = new StringBuilder(data.length * 2);
|
||||
for (byte b : data) {
|
||||
r.append(hexCode[(b >> 4) & 0xF]);
|
||||
r.append(hexCode[(b & 0xF)]);
|
||||
}
|
||||
return r.toString();
|
||||
return BaseEncoding.base16().lowerCase().encode(data);
|
||||
}
|
||||
}
|
||||
|
@ -1,7 +0,0 @@
|
||||
package com.beemdevelopment.aegis.encoding;
|
||||
|
||||
public class HexException extends Exception {
|
||||
public HexException(String message) {
|
||||
super(message);
|
||||
}
|
||||
}
|
@ -0,0 +1,126 @@
|
||||
package com.beemdevelopment.aegis.importers;
|
||||
|
||||
import android.content.Context;
|
||||
import android.database.Cursor;
|
||||
|
||||
import com.beemdevelopment.aegis.encoding.Base32;
|
||||
import com.beemdevelopment.aegis.encoding.Base64;
|
||||
import com.beemdevelopment.aegis.encoding.EncodingException;
|
||||
import com.beemdevelopment.aegis.otp.OtpInfo;
|
||||
import com.beemdevelopment.aegis.otp.OtpInfoException;
|
||||
import com.beemdevelopment.aegis.otp.TotpInfo;
|
||||
import com.beemdevelopment.aegis.vault.VaultEntry;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class MicrosoftAuthImporter extends DatabaseImporter {
|
||||
private static final String _subPath = "databases/PhoneFactor";
|
||||
private static final String _pkgName = "com.azure.authenticator";
|
||||
|
||||
private static final int TYPE_TOTP = 0;
|
||||
private static final int TYPE_MICROSOFT = 1;
|
||||
|
||||
public MicrosoftAuthImporter(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected String getAppPkgName() {
|
||||
return _pkgName;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected String getAppSubPath() {
|
||||
return _subPath;
|
||||
}
|
||||
|
||||
@Override
|
||||
public State read(FileReader reader) throws DatabaseImporterException {
|
||||
SqlImporterHelper helper = new SqlImporterHelper(getContext());
|
||||
List<Entry> entries = helper.read(Entry.class, reader.getStream(), "accounts");
|
||||
return new State(entries);
|
||||
}
|
||||
|
||||
public static class State extends DatabaseImporter.State {
|
||||
private List<Entry> _entries;
|
||||
|
||||
private State(List<Entry> entries) {
|
||||
super(false);
|
||||
_entries = entries;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Result convert() {
|
||||
Result result = new Result();
|
||||
|
||||
for (Entry sqlEntry : _entries) {
|
||||
try {
|
||||
int type = sqlEntry.getType();
|
||||
if (type == TYPE_TOTP || type == TYPE_MICROSOFT) {
|
||||
VaultEntry entry = convertEntry(sqlEntry);
|
||||
result.addEntry(entry);
|
||||
}
|
||||
} catch (DatabaseImporterEntryException e) {
|
||||
result.addError(e);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private static VaultEntry convertEntry(Entry entry) throws DatabaseImporterEntryException {
|
||||
try {
|
||||
byte[] secret;
|
||||
int digits = 6;
|
||||
|
||||
switch (entry.getType()) {
|
||||
case TYPE_TOTP:
|
||||
secret = Base32.decode(entry.getSecret());
|
||||
break;
|
||||
case TYPE_MICROSOFT:
|
||||
digits = 8;
|
||||
secret = Base64.decode(entry.getSecret());
|
||||
break;
|
||||
default:
|
||||
throw new DatabaseImporterEntryException(String.format("Unsupported OTP type: %d", entry.getType()), entry.toString());
|
||||
}
|
||||
|
||||
OtpInfo info = new TotpInfo(secret, "SHA1", digits, 30);
|
||||
return new VaultEntry(info, entry.getUserName(), entry.getIssuer());
|
||||
} catch (EncodingException | OtpInfoException e) {
|
||||
throw new DatabaseImporterEntryException(e, entry.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static class Entry extends SqlImporterHelper.Entry {
|
||||
private int _type;
|
||||
private String _secret;
|
||||
private String _issuer;
|
||||
private String _userName;
|
||||
|
||||
public Entry(Cursor cursor) {
|
||||
super(cursor);
|
||||
_type = SqlImporterHelper.getInt(cursor, "account_type");
|
||||
_secret = SqlImporterHelper.getString(cursor, "oath_secret_key");
|
||||
_issuer = SqlImporterHelper.getString(cursor, "name");
|
||||
_userName = SqlImporterHelper.getString(cursor, "username");
|
||||
}
|
||||
|
||||
public int getType() {
|
||||
return _type;
|
||||
}
|
||||
|
||||
public String getSecret() {
|
||||
return _secret;
|
||||
}
|
||||
|
||||
public String getIssuer() {
|
||||
return _issuer;
|
||||
}
|
||||
|
||||
public String getUserName() {
|
||||
return _userName;
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,89 @@
|
||||
package com.beemdevelopment.aegis.importers;
|
||||
|
||||
import android.content.Context;
|
||||
import android.database.Cursor;
|
||||
import android.database.sqlite.SQLiteDatabase;
|
||||
import android.database.sqlite.SQLiteException;
|
||||
|
||||
import com.topjohnwu.superuser.ShellUtils;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import static android.database.sqlite.SQLiteDatabase.OPEN_READONLY;
|
||||
|
||||
public class SqlImporterHelper {
|
||||
private Context _context;
|
||||
|
||||
public SqlImporterHelper(Context context) {
|
||||
_context = context;
|
||||
}
|
||||
|
||||
public <T extends Entry> List<T> read(Class<T> type, InputStream inStream, String table) throws DatabaseImporterException {
|
||||
File file;
|
||||
|
||||
try {
|
||||
// create a temporary copy of the database so that SQLiteDatabase can open it
|
||||
file = File.createTempFile("db-import-", "", _context.getCacheDir());
|
||||
try (FileOutputStream out = new FileOutputStream(file)) {
|
||||
ShellUtils.pump(inStream, out);
|
||||
}
|
||||
} catch (IOException e) {
|
||||
throw new DatabaseImporterException(e);
|
||||
}
|
||||
|
||||
try (SQLiteDatabase db = SQLiteDatabase.openDatabase(file.getAbsolutePath(), null, OPEN_READONLY, null)) {
|
||||
try (Cursor cursor = db.rawQuery(String.format("SELECT * FROM %s", table), null)) {
|
||||
List<T> entries = new ArrayList<>();
|
||||
|
||||
if (cursor.moveToFirst()) {
|
||||
do {
|
||||
T entry = type.getDeclaredConstructor(Cursor.class).newInstance(cursor);
|
||||
entries.add(entry);
|
||||
} while (cursor.moveToNext());
|
||||
}
|
||||
|
||||
return entries;
|
||||
} catch (InstantiationException | IllegalAccessException
|
||||
| NoSuchMethodException | InvocationTargetException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
} catch (SQLiteException e) {
|
||||
throw new DatabaseImporterException(e);
|
||||
} finally {
|
||||
// always delete the temporary file
|
||||
file.delete();
|
||||
}
|
||||
}
|
||||
|
||||
public static String getString(Cursor cursor, String columnName) {
|
||||
return cursor.getString(cursor.getColumnIndex(columnName));
|
||||
}
|
||||
|
||||
public static String getString(Cursor cursor, String columnName, String def) {
|
||||
String res = cursor.getString(cursor.getColumnIndex(columnName));
|
||||
if (res == null) {
|
||||
return def;
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
public static int getInt(Cursor cursor, String columnName) {
|
||||
return cursor.getInt(cursor.getColumnIndex(columnName));
|
||||
}
|
||||
|
||||
public static long getLong(Cursor cursor, String columnName) {
|
||||
return cursor.getLong(cursor.getColumnIndex(columnName));
|
||||
}
|
||||
|
||||
public static abstract class Entry {
|
||||
public Entry (Cursor cursor) {
|
||||
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,235 @@
|
||||
package com.beemdevelopment.aegis.importers;
|
||||
|
||||
import android.content.Context;
|
||||
import android.util.Xml;
|
||||
|
||||
import androidx.appcompat.app.AlertDialog;
|
||||
|
||||
import com.beemdevelopment.aegis.R;
|
||||
import com.beemdevelopment.aegis.crypto.CryptoUtils;
|
||||
import com.beemdevelopment.aegis.encoding.Base32;
|
||||
import com.beemdevelopment.aegis.encoding.Base64;
|
||||
import com.beemdevelopment.aegis.encoding.EncodingException;
|
||||
import com.beemdevelopment.aegis.encoding.Hex;
|
||||
import com.beemdevelopment.aegis.otp.OtpInfoException;
|
||||
import com.beemdevelopment.aegis.otp.TotpInfo;
|
||||
import com.beemdevelopment.aegis.ui.Dialogs;
|
||||
import com.beemdevelopment.aegis.util.PreferenceParser;
|
||||
import com.beemdevelopment.aegis.vault.VaultEntry;
|
||||
|
||||
import org.json.JSONArray;
|
||||
import org.json.JSONException;
|
||||
import org.json.JSONObject;
|
||||
import org.xmlpull.v1.XmlPullParser;
|
||||
import org.xmlpull.v1.XmlPullParserException;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.security.InvalidAlgorithmParameterException;
|
||||
import java.security.InvalidKeyException;
|
||||
import java.security.MessageDigest;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import javax.crypto.BadPaddingException;
|
||||
import javax.crypto.Cipher;
|
||||
import javax.crypto.IllegalBlockSizeException;
|
||||
import javax.crypto.NoSuchPaddingException;
|
||||
import javax.crypto.SecretKey;
|
||||
import javax.crypto.spec.IvParameterSpec;
|
||||
import javax.crypto.spec.SecretKeySpec;
|
||||
|
||||
public class TotpAuthenticatorImporter extends DatabaseImporter {
|
||||
private static final String _subPath = "shared_prefs/TOTP_Authenticator_Preferences.xml";
|
||||
private static final String _pkgName = "com.authenticator.authservice2";
|
||||
|
||||
// WARNING: DON'T DO THIS IN YOUR OWN CODE
|
||||
// this is a hardcoded password and nonce, used solely to decrypt TOTP Authenticator backups
|
||||
private static final char[] PASSWORD = "TotpAuthenticator".toCharArray();
|
||||
private static final byte[] IV = new byte[]{
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
||||
};
|
||||
|
||||
private static final String PREF_KEY = "STATIC_TOTP_CODES_LIST";
|
||||
|
||||
public TotpAuthenticatorImporter(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected String getAppPkgName() {
|
||||
return _pkgName;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected String getAppSubPath() {
|
||||
return _subPath;
|
||||
}
|
||||
|
||||
@Override
|
||||
public State read(FileReader reader) throws DatabaseImporterException {
|
||||
try {
|
||||
if (reader.isInternal()) {
|
||||
XmlPullParser parser = Xml.newPullParser();
|
||||
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
|
||||
parser.setInput(reader.getStream(), null);
|
||||
parser.nextTag();
|
||||
|
||||
String data = null;
|
||||
for (PreferenceParser.XmlEntry entry : PreferenceParser.parse(parser)) {
|
||||
if (entry.Name.equals(PREF_KEY)) {
|
||||
data = entry.Value;
|
||||
}
|
||||
}
|
||||
|
||||
if (data == null) {
|
||||
throw new DatabaseImporterException(String.format("Key %s not found in shared preference file", PREF_KEY));
|
||||
}
|
||||
|
||||
List<JSONObject> entries = parse(data);
|
||||
return new DecryptedState(entries);
|
||||
} else {
|
||||
byte[] base64 = reader.readAll();
|
||||
byte[] cipherText = Base64.decode(base64);
|
||||
return new EncryptedState(cipherText);
|
||||
}
|
||||
} catch (IOException | XmlPullParserException | JSONException e) {
|
||||
throw new DatabaseImporterException(e);
|
||||
}
|
||||
}
|
||||
|
||||
private static List<JSONObject> parse(String data) throws JSONException {
|
||||
JSONArray array = new JSONArray(data);
|
||||
|
||||
List<JSONObject> entries = new ArrayList<>();
|
||||
for (int i = 0; i < array.length(); ++i) {
|
||||
String s = array.getString(i);
|
||||
entries.add(new JSONObject(s));
|
||||
}
|
||||
|
||||
return entries;
|
||||
}
|
||||
|
||||
public static class EncryptedState extends DatabaseImporter.State {
|
||||
private byte[] _data;
|
||||
|
||||
public EncryptedState(byte[] data) {
|
||||
super(true);
|
||||
_data = data;
|
||||
}
|
||||
|
||||
private DecryptedState decrypt(char[] password) throws DatabaseImporterException {
|
||||
try {
|
||||
// WARNING: DON'T DO THIS IN YOUR OWN CODE
|
||||
// this is not a secure way to derive a key from a password
|
||||
MessageDigest hash = MessageDigest.getInstance("SHA-256");
|
||||
byte[] keyBytes = hash.digest(CryptoUtils.toBytes(password));
|
||||
SecretKey key = new SecretKeySpec(keyBytes, "AES");
|
||||
|
||||
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
|
||||
IvParameterSpec spec = new IvParameterSpec(IV);
|
||||
cipher.init(Cipher.DECRYPT_MODE, key, spec);
|
||||
|
||||
byte[] bytes = cipher.doFinal(_data);
|
||||
JSONObject obj = new JSONObject(new String(bytes, StandardCharsets.UTF_8));
|
||||
JSONArray keys = obj.names();
|
||||
|
||||
List<JSONObject> entries = new ArrayList<>();
|
||||
if (keys != null && keys.length() > 0) {
|
||||
entries = parse((String) keys.get(0));
|
||||
}
|
||||
|
||||
return new DecryptedState(entries);
|
||||
} catch (NoSuchAlgorithmException
|
||||
| NoSuchPaddingException
|
||||
| InvalidAlgorithmParameterException
|
||||
| InvalidKeyException
|
||||
| BadPaddingException
|
||||
| IllegalBlockSizeException
|
||||
| JSONException e) {
|
||||
throw new DatabaseImporterException(e);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void decrypt(Context context, DecryptListener listener) {
|
||||
Dialogs.showSecureDialog(new AlertDialog.Builder(context)
|
||||
.setMessage(R.string.choose_totpauth_importer)
|
||||
.setPositiveButton(R.string.yes, (dialog, which) -> {
|
||||
Dialogs.showPasswordInputDialog(context, password -> {
|
||||
decrypt(password, listener);
|
||||
});
|
||||
})
|
||||
.setNegativeButton(R.string.no, (dialog, which) -> {
|
||||
decrypt(PASSWORD, listener);
|
||||
})
|
||||
.create());
|
||||
}
|
||||
|
||||
private void decrypt(char[] password, DecryptListener listener) {
|
||||
try {
|
||||
DecryptedState state = decrypt(password);
|
||||
listener.onStateDecrypted(state);
|
||||
} catch (DatabaseImporterException e) {
|
||||
listener.onError(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static class DecryptedState extends DatabaseImporter.State {
|
||||
private List<JSONObject> _objs;
|
||||
|
||||
private DecryptedState(List<JSONObject> objs) {
|
||||
super(false);
|
||||
_objs = objs;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Result convert() {
|
||||
Result result = new Result();
|
||||
|
||||
for (JSONObject obj : _objs) {
|
||||
try {
|
||||
VaultEntry entry = convertEntry(obj);
|
||||
result.addEntry(entry);
|
||||
} catch (DatabaseImporterEntryException e) {
|
||||
result.addError(e);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private static VaultEntry convertEntry(JSONObject obj) throws DatabaseImporterEntryException {
|
||||
try {
|
||||
int base = obj.getInt("base");
|
||||
String secretString = obj.getString("key");
|
||||
|
||||
byte[] secret;
|
||||
switch (base) {
|
||||
case 16:
|
||||
secret = Hex.decode(secretString);
|
||||
break;
|
||||
case 32:
|
||||
secret = Base32.decode(secretString);
|
||||
break;
|
||||
case 64:
|
||||
secret = Base64.decode(secretString);
|
||||
break;
|
||||
default:
|
||||
throw new DatabaseImporterEntryException(String.format("Unsupported secret encoding: base %d", base), obj.toString());
|
||||
}
|
||||
|
||||
TotpInfo info = new TotpInfo(secret, "SHA1", 6, 30);
|
||||
String name = obj.optString("name");
|
||||
String issuer = obj.optString("issuer");
|
||||
|
||||
return new VaultEntry(info, name, issuer);
|
||||
} catch (JSONException | OtpInfoException | EncodingException e) {
|
||||
throw new DatabaseImporterEntryException(e, obj.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue