@ -42,10 +42,7 @@ import android.os.Build;
import android.os.Bundle ;
import android.os.PowerManager ;
import android.preference.PreferenceManager ;
import android.security.keystore.KeyGenParameterSpec ;
import android.security.keystore.KeyProperties ;
import android.text.TextUtils ;
import android.util.Base64 ;
import android.view.Menu ;
import android.view.View ;
import android.view.ViewGroup ;
@ -80,8 +77,6 @@ import java.io.UnsupportedEncodingException;
import java.net.InetAddress ;
import java.net.URL ;
import java.net.UnknownHostException ;
import java.nio.charset.StandardCharsets ;
import java.security.KeyStore ;
import java.security.MessageDigest ;
import java.security.NoSuchAlgorithmException ;
import java.text.DateFormat ;
@ -96,10 +91,6 @@ import java.util.Map;
import java.util.Objects ;
import java.util.concurrent.ThreadFactory ;
import javax.crypto.Cipher ;
import javax.crypto.KeyGenerator ;
import javax.crypto.SecretKey ;
import javax.crypto.spec.GCMParameterSpec ;
import javax.mail.Address ;
import javax.mail.AuthenticationFailedException ;
import javax.mail.FolderClosedException ;
@ -109,7 +100,6 @@ import javax.mail.internet.InternetAddress;
import javax.net.ssl.HttpsURLConnection ;
import androidx.annotation.NonNull ;
import androidx.annotation.RequiresApi ;
import androidx.browser.customtabs.CustomTabsIntent ;
import androidx.core.content.ContextCompat ;
import androidx.lifecycle.Lifecycle ;
@ -819,12 +809,12 @@ public class Helper {
static void connect ( Context context , IMAPStore istore , EntityAccount account ) throws MessagingException {
try {
istore . connect ( account . host , account . port , account . user , account . getPassword( ) ) ;
istore . connect ( account . host , account . port , account . user , account . password ) ;
} catch ( AuthenticationFailedException ex ) {
if ( account . auth_type = = AUTH_TYPE_GMAIL ) {
account . setPassword( refreshToken ( context , "com.google" , account . user , account . getPassword( ) ) ) ;
account . password = refreshToken ( context , "com.google" , account . user , account . password ) ;
DB . getInstance ( context ) . account ( ) . setAccountPassword ( account . id , account . password ) ;
istore . connect ( account . host , account . port , account . user , account . getPassword( ) ) ;
istore . connect ( account . host , account . port , account . user , account . password ) ;
} else
throw ex ;
}
@ -1053,56 +1043,4 @@ public class Helper {
return organization ;
}
}
@RequiresApi ( api = Build . VERSION_CODES . M )
private static SecretKey getSecretKey ( ) throws Throwable {
final String alias = BuildConfig . APPLICATION_ID + ".key" ;
KeyStore store = KeyStore . getInstance ( "AndroidKeyStore" ) ;
store . load ( null ) ;
KeyStore . SecretKeyEntry entry = ( KeyStore . SecretKeyEntry ) store . getEntry ( alias , null ) ;
if ( entry ! = null )
return entry . getSecretKey ( ) ;
KeyGenerator generator = KeyGenerator . getInstance ( KeyProperties . KEY_ALGORITHM_AES , "AndroidKeyStore" ) ;
KeyGenParameterSpec spec = new KeyGenParameterSpec . Builder ( alias ,
KeyProperties . PURPOSE_ENCRYPT | KeyProperties . PURPOSE_DECRYPT )
. setBlockModes ( KeyProperties . BLOCK_MODE_GCM )
. setEncryptionPaddings ( KeyProperties . ENCRYPTION_PADDING_NONE )
. build ( ) ;
generator . init ( spec ) ;
return generator . generateKey ( ) ;
}
@RequiresApi ( api = Build . VERSION_CODES . M )
static String decryptPassword ( String secret ) {
try {
int slash = secret . indexOf ( '/' ) ;
byte [ ] iv = Base64 . decode ( secret . substring ( 0 , slash ) , Base64 . URL_SAFE ) ;
byte [ ] encrypted = Base64 . decode ( secret . substring ( slash + 1 ) , Base64 . URL_SAFE ) ;
Cipher cipher = Cipher . getInstance ( "AES/GCM/NoPadding" ) ;
GCMParameterSpec spec = new GCMParameterSpec ( 128 , iv ) ;
cipher . init ( Cipher . DECRYPT_MODE , getSecretKey ( ) , spec ) ;
byte [ ] decrypted = cipher . doFinal ( encrypted ) ;
return new String ( decrypted , StandardCharsets . UTF_8 ) ;
} catch ( Throwable ex ) {
Log . e ( ex ) ;
return secret ;
}
}
@RequiresApi ( api = Build . VERSION_CODES . M )
static String encryptPassword ( String plain ) {
try {
Cipher cipher = Cipher . getInstance ( "AES/GCM/NoPadding" ) ;
cipher . init ( Cipher . ENCRYPT_MODE , getSecretKey ( ) ) ;
byte [ ] iv = cipher . getIV ( ) ;
byte [ ] encrypted = cipher . doFinal ( plain . getBytes ( StandardCharsets . UTF_8 ) ) ;
return Base64 . encodeToString ( iv , Base64 . URL_SAFE ) + "/" + Base64 . encodeToString ( encrypted , Base64 . URL_SAFE ) ;
} catch ( Throwable ex ) {
Log . e ( ex ) ;
return plain ;
}
}
}
M66B
6 years ago