diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org')
28 files changed, 589 insertions, 451 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java index 507d4dea5..e19757d65 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AccountSettingsActivity.java @@ -31,7 +31,7 @@ import org.sufficientlysecure.keychain.operations.results.OperationResult.LogTyp import org.sufficientlysecure.keychain.operations.results.SingletonResult; import org.sufficientlysecure.keychain.provider.ProviderHelper; import org.sufficientlysecure.keychain.remote.AccountSettings; -import org.sufficientlysecure.keychain.ui.BaseActivity; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Log; public class AccountSettingsActivity extends BaseActivity { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsActivity.java index 407480c98..2b71d6dc1 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsActivity.java @@ -40,9 +40,7 @@ import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.ProviderHelper; import org.sufficientlysecure.keychain.remote.AppSettings; -import org.sufficientlysecure.keychain.service.SaveKeyringParcel; -import org.sufficientlysecure.keychain.ui.BaseActivity; -import org.sufficientlysecure.keychain.ui.dialog.AddSubkeyDialogFragment; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.dialog.AdvancedAppSettingsDialogFragment; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java index e8c3e4511..f312c0d44 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/RemoteServiceActivity.java @@ -38,7 +38,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.ProviderHelper; import org.sufficientlysecure.keychain.remote.AccountSettings; import org.sufficientlysecure.keychain.remote.AppSettings; -import org.sufficientlysecure.keychain.ui.BaseActivity; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.SelectPublicKeyFragment; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/SelectSignKeyIdActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/SelectSignKeyIdActivity.java index 98a44466d..cb9f46f7f 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/SelectSignKeyIdActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/SelectSignKeyIdActivity.java @@ -29,7 +29,7 @@ import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.pgp.KeyRing; -import org.sufficientlysecure.keychain.ui.BaseActivity; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.CreateKeyActivity; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintActivity.java index b7c80c1ed..016ab5f3c 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintActivity.java @@ -23,6 +23,7 @@ import android.view.View; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Log; public class CertifyFingerprintActivity extends BaseActivity { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java index 1fb88b182..3845e07cb 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java @@ -19,6 +19,8 @@ package org.sufficientlysecure.keychain.ui; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; + /** * Signs the specified public key with the specified secret master key diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java index ab76f693e..4ae901c6c 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyActivity.java @@ -17,12 +17,18 @@ package org.sufficientlysecure.keychain.ui; +import android.app.PendingIntent; +import android.content.Intent; +import android.content.IntentFilter; +import android.nfc.NfcAdapter; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentTransaction; -import android.view.View; +import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; +import org.sufficientlysecure.keychain.util.Log; import org.sufficientlysecure.keychain.util.Passphrase; import java.util.ArrayList; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyStartFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyStartFragment.java index 180a52a1c..d23d598fa 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyStartFragment.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyStartFragment.java @@ -78,7 +78,7 @@ public class CreateKeyStartFragment extends Fragment { mCreateKey = view.findViewById(R.id.create_key_create_key_button); mImportKey = view.findViewById(R.id.create_key_import_button); -// mYubiKey = view.findViewById(R.id.create_key_yubikey_button); + mYubiKey = view.findViewById(R.id.create_key_yubikey_button); mCancel = (TextView) view.findViewById(R.id.create_key_cancel); if (mCreateKeyActivity.mFirstTime) { @@ -95,6 +95,14 @@ public class CreateKeyStartFragment extends Fragment { } }); + mYubiKey.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + CreateKeyYubiFragment frag = new CreateKeyYubiFragment(); + mCreateKeyActivity.loadFragment(frag, FragAction.TO_RIGHT); + } + }); + mImportKey.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyYubiFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyYubiFragment.java new file mode 100644 index 000000000..665c68d65 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyYubiFragment.java @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de> + * + * This program 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. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.ui; + +import android.app.Activity; +import android.content.Context; +import android.os.Bundle; +import android.support.v4.app.Fragment; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.EditText; + +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction; +import org.sufficientlysecure.keychain.ui.widget.NameEditText; + + +public class CreateKeyYubiFragment extends Fragment { + + CreateKeyActivity mCreateKeyActivity; + NameEditText mNameEdit; + View mBackButton; + View mNextButton; + + private static boolean isEditTextNotEmpty(Context context, EditText editText) { + boolean output = true; + if (editText.getText().length() == 0) { + editText.setError(context.getString(R.string.create_key_empty)); + editText.requestFocus(); + output = false; + } else { + editText.setError(null); + } + + return output; + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.create_yubikey_fragment, container, false); + + mBackButton.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mCreateKeyActivity.loadFragment(null, FragAction.TO_LEFT); + } + }); + mNextButton.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + nextClicked(); + } + }); + + return view; + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + mCreateKeyActivity = (CreateKeyActivity) getActivity(); + } + + private void nextClicked() { + if (isEditTextNotEmpty(getActivity(), mNameEdit)) { + // save state + mCreateKeyActivity.mName = mNameEdit.getText().toString(); + + CreateKeyEmailFragment frag = CreateKeyEmailFragment.newInstance(); + mCreateKeyActivity.loadFragment(frag, FragAction.TO_RIGHT); + } + } + +} diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesActivity.java index 162b10eca..dce2386b5 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesActivity.java @@ -21,12 +21,12 @@ import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; -import android.os.PersistableBundle; import android.view.View; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.api.OpenKeychainIntents; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Log; public class DecryptFilesActivity extends BaseActivity { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptTextActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptTextActivity.java index bc2ec014a..728e3ba41 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptTextActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptTextActivity.java @@ -31,6 +31,7 @@ import org.sufficientlysecure.keychain.compatibility.ClipboardReflection; import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.operations.results.SingletonResult; import org.sufficientlysecure.keychain.pgp.PgpHelper; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java index 6dc2994cf..b607ba9f4 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java @@ -23,6 +23,7 @@ import android.os.Bundle; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.service.SaveKeyringParcel; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Log; public class EditKeyActivity extends BaseActivity { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java index b87dec8fc..5254af19f 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java @@ -33,6 +33,7 @@ import org.sufficientlysecure.keychain.service.KeychainIntentService; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; import org.sufficientlysecure.keychain.service.input.CryptoInputParcel; import org.sufficientlysecure.keychain.service.input.RequiredInputParcel; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Passphrase; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/HelpActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/HelpActivity.java index cd6cdf4d6..4aa706f57 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/HelpActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/HelpActivity.java @@ -26,6 +26,8 @@ import com.astuetz.PagerSlidingTabStrip; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; + public class HelpActivity extends BaseActivity { public static final String EXTRA_SELECTED_TAB = "selected_tab"; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java index 9143609ad..9a7c405d0 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java @@ -37,6 +37,7 @@ import org.sufficientlysecure.keychain.operations.results.ImportKeyResult; import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.service.KeychainIntentService; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java index 0de7bb391..df325d31d 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayActivity.java @@ -22,6 +22,8 @@ import android.os.Bundle; import android.view.View; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; + public class LogDisplayActivity extends BaseActivity { diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java index 7311f4879..57acf3e93 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcActivity.java @@ -22,6 +22,7 @@ import org.spongycastle.bcpg.HashAlgorithmTags; import org.spongycastle.util.encoders.Hex; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Iso7816TLV; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcIntentActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcIntentActivity.java index 0ccb206d1..a1affbc39 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcIntentActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcIntentActivity.java @@ -21,6 +21,7 @@ import android.widget.Toast; import org.spongycastle.util.encoders.Hex; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.util.Iso7816TLV; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java index 68eee2513..549d9ece7 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java @@ -7,31 +7,19 @@ package org.sufficientlysecure.keychain.ui; import android.annotation.TargetApi; -import android.app.PendingIntent; import android.content.Intent; -import android.content.IntentFilter; -import android.nfc.NfcAdapter; -import android.nfc.Tag; -import android.nfc.tech.IsoDep; import android.os.Build; import android.os.Bundle; import android.view.WindowManager; -import android.widget.Toast; -import org.spongycastle.bcpg.HashAlgorithmTags; -import org.spongycastle.util.encoders.Hex; import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.service.input.CryptoInputParcel; import org.sufficientlysecure.keychain.service.input.RequiredInputParcel; -import org.sufficientlysecure.keychain.util.Iso7816TLV; +import org.sufficientlysecure.keychain.ui.base.BaseNfcActivity; import org.sufficientlysecure.keychain.util.Log; -import org.sufficientlysecure.keychain.util.Passphrase; -import org.sufficientlysecure.keychain.util.Preferences; import java.io.IOException; -import java.nio.ByteBuffer; - /** * This class provides a communication interface to OpenPGP applications on ISO SmartCard compliant @@ -40,21 +28,13 @@ import java.nio.ByteBuffer; * For the full specs, see http://g10code.com/docs/openpgp-card-2.0.pdf */ @TargetApi(Build.VERSION_CODES.GINGERBREAD_MR1) -public class NfcOperationActivity extends BaseActivity { - - public static final int REQUEST_CODE_PASSPHRASE = 1; +public class NfcOperationActivity extends BaseNfcActivity { public static final String EXTRA_REQUIRED_INPUT = "required_input"; public static final String RESULT_DATA = "result_data"; - private static final int TIMEOUT = 100000; - - private NfcAdapter mNfcAdapter; - private IsoDep mIsoDep; - RequiredInputParcel mRequiredInput; - private Passphrase mPin; @Override protected void onCreate(Bundle savedInstanceState) { @@ -64,45 +44,12 @@ public class NfcOperationActivity extends BaseActivity { getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); Intent intent = getIntent(); - String action = intent.getAction(); - if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(action)) { - throw new AssertionError("should not happen: NfcOperationActivity.onCreate is called instead of onNewIntent!"); - } - Bundle data = intent.getExtras(); mRequiredInput = data.getParcelable(EXTRA_REQUIRED_INPUT); - obtainPassphrase(); - - } - - private void obtainPassphrase() { - - Preferences prefs = Preferences.getPreferences(this); - if (prefs.useDefaultYubikeyPin()) { - mPin = new Passphrase("123456"); - return; - } - - Intent intent = new Intent(this, PassphraseDialogActivity.class); - intent.putExtra(PassphraseDialogActivity.EXTRA_REQUIRED_INPUT, - RequiredInputParcel.createRequiredPassphrase(mRequiredInput)); - startActivityForResult(intent, REQUEST_CODE_PASSPHRASE); - - } - - @Override - protected void onActivityResult(int requestCode, int resultCode, Intent data) { - switch (requestCode) { - case REQUEST_CODE_PASSPHRASE: - CryptoInputParcel input = data.getParcelableExtra(PassphraseDialogActivity.RESULT_DATA); - mPin = input.getPassphrase(); - break; - - default: - super.onActivityResult(requestCode, resultCode, data); - } + // obtain passphrase for this subkey + obtainYubikeyPin(RequiredInputParcel.createRequiredPassphrase(mRequiredInput)); } @Override @@ -110,104 +57,8 @@ public class NfcOperationActivity extends BaseActivity { setContentView(R.layout.nfc_activity); } - /** - * Called when the system is about to start resuming a previous activity, - * disables NFC Foreground Dispatch - */ - public void onPause() { - super.onPause(); - Log.d(Constants.TAG, "NfcOperationActivity.onPause"); - - disableNfcForegroundDispatch(); - } - - /** - * Called when the activity will start interacting with the user, - * enables NFC Foreground Dispatch - */ - public void onResume() { - super.onResume(); - Log.d(Constants.TAG, "NfcOperationActivity.onResume"); - - enableNfcForegroundDispatch(); - } - - /** - * This activity is started as a singleTop activity. - * All new NFC Intents which are delivered to this activity are handled here - */ - public void onNewIntent(Intent intent) { - if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) { - try { - handleNdefDiscoveredIntent(intent); - } catch (IOException e) { - Log.e(Constants.TAG, "Connection error!", e); - toast("Connection Error: " + e.getMessage()); - setResult(RESULT_CANCELED); - finish(); - } - } - } - - /** Handle NFC communication and return a result. - * - * This method is called by onNewIntent above upon discovery of an NFC tag. - * It handles initialization and login to the application, subsequently - * calls either nfcCalculateSignature() or nfcDecryptSessionKey(), then - * finishes the activity with an appropiate result. - * - * On general communication, see also - * http://www.cardwerk.com/smartcards/smartcard_standard_ISO7816-4_annex-a.aspx - * - * References to pages are generally related to the OpenPGP Application - * on ISO SmartCard Systems specification. - * - */ - private void handleNdefDiscoveredIntent(Intent intent) throws IOException { - - Tag detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG); - - // Connect to the detected tag, setting a couple of settings - mIsoDep = IsoDep.get(detectedTag); - mIsoDep.setTimeout(TIMEOUT); // timeout is set to 100 seconds to avoid cancellation during calculation - mIsoDep.connect(); - - // SW1/2 0x9000 is the generic "ok" response, which we expect most of the time. - // See specification, page 51 - String accepted = "9000"; - - // Command APDU (page 51) for SELECT FILE command (page 29) - String opening = - "00" // CLA - + "A4" // INS - + "04" // P1 - + "00" // P2 - + "06" // Lc (number of bytes) - + "D27600012401" // Data (6 bytes) - + "00"; // Le - if ( ! card(opening).equals(accepted)) { // activate connection - toast("Opening Error!"); - setResult(RESULT_CANCELED); - finish(); - return; - } - - byte[] pin = new String(mPin.getCharArray()).getBytes(); - - // Command APDU for VERIFY command (page 32) - String login = - "00" // CLA - + "20" // INS - + "00" // P1 - + "82" // P2 (PW1) - + String.format("%02x", pin.length) // Lc - + Hex.toHexString(pin); - if ( ! card(login).equals(accepted)) { // login - toast("Wrong PIN!"); - setResult(RESULT_CANCELED); - finish(); - return; - } + @Override + protected void onNfcPerform() throws IOException { CryptoInputParcel resultData = new CryptoInputParcel(mRequiredInput.mSignatureTime); @@ -233,292 +84,9 @@ public class NfcOperationActivity extends BaseActivity { // give data through for new service call Intent result = new Intent(); - result.putExtra(RESULT_DATA, resultData); + result.putExtra(NfcOperationActivity.RESULT_DATA, resultData); setResult(RESULT_OK, result); finish(); } - - /** - * Gets the user ID - * - * @return the user id as "name <email>" - * @throws java.io.IOException - */ - public String getUserId() throws IOException { - String info = "00CA006500"; - String data = "00CA005E00"; - return getName(card(info)) + " <" + (new String(Hex.decode(getDataField(card(data))))) + ">"; - } - - /** Return the key id from application specific data stored on tag, or null - * if it doesn't exist. - * - * @param idx Index of the key to return the fingerprint from. - * @return The long key id of the requested key, or null if not found. - */ - public static Long nfcGetKeyId(IsoDep isoDep, int idx) throws IOException { - byte[] fp = nfcGetFingerprint(isoDep, idx); - if (fp == null) { - return null; - } - ByteBuffer buf = ByteBuffer.wrap(fp); - // skip first 12 bytes of the fingerprint - buf.position(12); - // the last eight bytes are the key id (big endian, which is default order in ByteBuffer) - return buf.getLong(); - } - - /** Return fingerprints of all keys from application specific data stored - * on tag, or null if data not available. - * - * @return The fingerprints of all subkeys in a contiguous byte array. - */ - public static byte[] nfcGetFingerprints(IsoDep isoDep) throws IOException { - String data = "00CA006E00"; - byte[] buf = isoDep.transceive(Hex.decode(data)); - - Iso7816TLV tlv = Iso7816TLV.readSingle(buf, true); - Log.d(Constants.TAG, "nfc tlv data:\n" + tlv.prettyPrint()); - - Iso7816TLV fptlv = Iso7816TLV.findRecursive(tlv, 0xc5); - if (fptlv == null) { - return null; - } - - return fptlv.mV; - } - - /** Return the fingerprint from application specific data stored on tag, or - * null if it doesn't exist. - * - * @param idx Index of the key to return the fingerprint from. - * @return The fingerprint of the requested key, or null if not found. - */ - public static byte[] nfcGetFingerprint(IsoDep isoDep, int idx) throws IOException { - byte[] data = nfcGetFingerprints(isoDep); - - // return the master key fingerprint - ByteBuffer fpbuf = ByteBuffer.wrap(data); - byte[] fp = new byte[20]; - fpbuf.position(idx*20); - fpbuf.get(fp, 0, 20); - - return fp; - } - - /** - * Calls to calculate the signature and returns the MPI value - * - * @param hash the hash for signing - * @return a big integer representing the MPI for the given hash - * @throws java.io.IOException - */ - public byte[] nfcCalculateSignature(byte[] hash, int hashAlgo) throws IOException { - - // dsi, including Lc - String dsi; - - Log.i(Constants.TAG, "Hash: " + hashAlgo); - switch (hashAlgo) { - case HashAlgorithmTags.SHA1: - if (hash.length != 20) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 10!"); - } - dsi = "23" // Lc - + "3021" // Tag/Length of Sequence, the 0x21 includes all following 33 bytes - + "3009" // Tag/Length of Sequence, the 0x09 are the following header bytes - + "0605" + "2B0E03021A" // OID of SHA1 - + "0500" // TLV coding of ZERO - + "0414" + getHex(hash); // 0x14 are 20 hash bytes - break; - case HashAlgorithmTags.RIPEMD160: - if (hash.length != 20) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 20!"); - } - dsi = "233021300906052B2403020105000414" + getHex(hash); - break; - case HashAlgorithmTags.SHA224: - if (hash.length != 28) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 28!"); - } - dsi = "2F302D300D06096086480165030402040500041C" + getHex(hash); - break; - case HashAlgorithmTags.SHA256: - if (hash.length != 32) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 32!"); - } - dsi = "333031300D060960864801650304020105000420" + getHex(hash); - break; - case HashAlgorithmTags.SHA384: - if (hash.length != 48) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 48!"); - } - dsi = "433041300D060960864801650304020205000430" + getHex(hash); - break; - case HashAlgorithmTags.SHA512: - if (hash.length != 64) { - throw new RuntimeException("Bad hash length (" + hash.length + ", expected 64!"); - } - dsi = "533051300D060960864801650304020305000440" + getHex(hash); - break; - default: - throw new RuntimeException("Not supported hash algo!"); - } - - // Command APDU for PERFORM SECURITY OPERATION: COMPUTE DIGITAL SIGNATURE (page 37) - String apdu = - "002A9E9A" // CLA, INS, P1, P2 - + dsi // digital signature input - + "00"; // Le - - String response = card(apdu); - - // split up response into signature and status - String status = response.substring(response.length()-4); - String signature = response.substring(0, response.length() - 4); - - // while we are getting 0x61 status codes, retrieve more data - while (status.substring(0, 2).equals("61")) { - Log.d(Constants.TAG, "requesting more data, status " + status); - // Send GET RESPONSE command - response = card("00C00000" + status.substring(2)); - status = response.substring(response.length()-4); - signature += response.substring(0, response.length()-4); - } - - Log.d(Constants.TAG, "final response:" + status); - - if ( ! status.equals("9000")) { - toast("Bad NFC response code: " + status); - return null; - } - - // Make sure the signature we received is actually the expected number of bytes long! - if (signature.length() != 256 && signature.length() != 512) { - toast("Bad signature length! Expected 128 or 256 bytes, got " + signature.length() / 2); - return null; - } - - return Hex.decode(signature); - } - - /** - * Calls to calculate the signature and returns the MPI value - * - * @param encryptedSessionKey the encoded session key - * @return the decoded session key - * @throws java.io.IOException - */ - public byte[] nfcDecryptSessionKey(byte[] encryptedSessionKey) throws IOException { - String firstApdu = "102a8086fe"; - String secondApdu = "002a808603"; - String le = "00"; - - byte[] one = new byte[254]; - // leave out first byte: - System.arraycopy(encryptedSessionKey, 1, one, 0, one.length); - - byte[] two = new byte[encryptedSessionKey.length - 1 - one.length]; - for (int i = 0; i < two.length; i++) { - two[i] = encryptedSessionKey[i + one.length + 1]; - } - - String first = card(firstApdu + getHex(one)); - String second = card(secondApdu + getHex(two) + le); - - String decryptedSessionKey = getDataField(second); - - Log.d(Constants.TAG, "decryptedSessionKey: " + decryptedSessionKey); - - return Hex.decode(decryptedSessionKey); - } - - /** - * Prints a message to the screen - * - * @param text the text which should be contained within the toast - */ - private void toast(String text) { - Toast.makeText(this, text, Toast.LENGTH_LONG).show(); - } - - /** - * Receive new NFC Intents to this activity only by enabling foreground dispatch. - * This can only be done in onResume! - */ - public void enableNfcForegroundDispatch() { - mNfcAdapter = NfcAdapter.getDefaultAdapter(this); - Intent nfcI = new Intent(this, NfcOperationActivity.class) - .addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP); - PendingIntent nfcPendingIntent = PendingIntent.getActivity(this, 0, nfcI, PendingIntent.FLAG_CANCEL_CURRENT); - IntentFilter[] writeTagFilters = new IntentFilter[]{ - new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED) - }; - - // https://code.google.com/p/android/issues/detail?id=62918 - // maybe mNfcAdapter.enableReaderMode(); ? - try { - mNfcAdapter.enableForegroundDispatch(this, nfcPendingIntent, writeTagFilters, null); - } catch (IllegalStateException e) { - Log.i(Constants.TAG, "NfcForegroundDispatch Error!", e); - } - Log.d(Constants.TAG, "NfcForegroundDispatch has been enabled!"); - } - - /** - * Disable foreground dispatch in onPause! - */ - public void disableNfcForegroundDispatch() { - mNfcAdapter.disableForegroundDispatch(this); - Log.d(Constants.TAG, "NfcForegroundDispatch has been disabled!"); - } - - /** - * Gets the name of the user out of the raw card output regarding card holder related data - * - * @param name the raw card holder related data from the card - * @return the name given in this data - */ - public String getName(String name) { - String slength; - int ilength; - name = name.substring(6); - slength = name.substring(0, 2); - ilength = Integer.parseInt(slength, 16) * 2; - name = name.substring(2, ilength + 2); - name = (new String(Hex.decode(name))).replace('<', ' '); - return (name); - } - - /** - * Reduces the raw data from the card by four characters - * - * @param output the raw data from the card - * @return the data field of that data - */ - private String getDataField(String output) { - return output.substring(0, output.length() - 4); - } - - /** - * Communicates with the OpenPgpCard via the APDU - * - * @param hex the hexadecimal APDU - * @return The answer from the card - * @throws java.io.IOException throws an exception if something goes wrong - */ - public String card(String hex) throws IOException { - return getHex(mIsoDep.transceive(Hex.decode(hex))); - } - - /** - * Converts a byte array into an hex string - * - * @param raw the byte array representation - * @return the hexadecimal string representation - */ - public static String getHex(byte[] raw) { - return new String(Hex.encode(raw)); - } } diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java index 43af07bbe..d4858ee5d 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeViewActivity.java @@ -30,6 +30,7 @@ import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.ui.util.Notify.Style; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SafeSlingerActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SafeSlingerActivity.java index 863aef65f..a41416a47 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SafeSlingerActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SafeSlingerActivity.java @@ -40,6 +40,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.ProviderHelper; import org.sufficientlysecure.keychain.service.KeychainIntentService; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.util.Log; import org.sufficientlysecure.keychain.util.ParcelableFileCache; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java index 080dc2495..9f2e46b38 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SettingsKeyServerActivity.java @@ -27,6 +27,7 @@ import android.view.ViewGroup; import android.widget.TextView; import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.widget.Editor; import org.sufficientlysecure.keychain.ui.widget.Editor.EditorListener; import org.sufficientlysecure.keychain.ui.widget.KeyServerEditor; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/UploadKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/UploadKeyActivity.java index 4fb2074a5..ad13e390d 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/UploadKeyActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/UploadKeyActivity.java @@ -37,6 +37,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; import org.sufficientlysecure.keychain.service.KeychainIntentService; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.util.Log; import org.sufficientlysecure.keychain.util.Preferences; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewCertActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewCertActivity.java index a80503591..8d876ba69 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewCertActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewCertActivity.java @@ -40,6 +40,7 @@ import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException; import org.sufficientlysecure.keychain.provider.KeychainContract.Certs; import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.util.Log; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java index 484956e6a..fc30eafcc 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java @@ -66,6 +66,7 @@ import org.sufficientlysecure.keychain.service.KeychainIntentService; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler.MessageStatus; import org.sufficientlysecure.keychain.service.PassphraseCacheService; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment; import org.sufficientlysecure.keychain.ui.util.FormattingUtils; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java index f17d6e0fd..9e8a12c8a 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvActivity.java @@ -38,6 +38,7 @@ import org.sufficientlysecure.keychain.pgp.KeyRing; import org.sufficientlysecure.keychain.provider.KeychainContract; import org.sufficientlysecure.keychain.provider.ProviderHelper; import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter; +import org.sufficientlysecure.keychain.ui.base.BaseActivity; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.util.ContactHelper; import org.sufficientlysecure.keychain.util.ExportHelper; diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java index 41fa50705..07d2ef8c0 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BaseActivity.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java @@ -15,7 +15,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -package org.sufficientlysecure.keychain.ui; +package org.sufficientlysecure.keychain.ui.base; import android.app.Activity; import android.os.Bundle; @@ -63,8 +63,8 @@ public abstract class BaseActivity extends ActionBarActivity { * Inflate custom design to look like a full screen dialog, as specified in Material Design Guidelines * see http://www.google.com/design/spec/components/dialogs.html#dialogs-full-screen-dialogs */ - protected void setFullScreenDialogDoneClose(int doneText, View.OnClickListener doneOnClickListener, - View.OnClickListener cancelOnClickListener) { + public void setFullScreenDialogDoneClose(int doneText, View.OnClickListener doneOnClickListener, + View.OnClickListener cancelOnClickListener) { setActionBarIcon(R.drawable.ic_close_white_24dp); // Inflate the custom action bar view diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseNfcActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseNfcActivity.java new file mode 100644 index 000000000..0a7b7611b --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseNfcActivity.java @@ -0,0 +1,448 @@ +package org.sufficientlysecure.keychain.ui.base; + + +import java.io.IOException; +import java.nio.ByteBuffer; + +import android.app.PendingIntent; +import android.content.Intent; +import android.content.IntentFilter; +import android.nfc.NfcAdapter; +import android.nfc.Tag; +import android.nfc.tech.IsoDep; +import android.os.Bundle; +import android.widget.Toast; + +import org.spongycastle.bcpg.HashAlgorithmTags; +import org.spongycastle.util.encoders.Hex; +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.service.input.CryptoInputParcel; +import org.sufficientlysecure.keychain.service.input.RequiredInputParcel; +import org.sufficientlysecure.keychain.ui.NfcOperationActivity; +import org.sufficientlysecure.keychain.ui.PassphraseDialogActivity; +import org.sufficientlysecure.keychain.util.Iso7816TLV; +import org.sufficientlysecure.keychain.util.Log; +import org.sufficientlysecure.keychain.util.Passphrase; +import org.sufficientlysecure.keychain.util.Preferences; + + +public abstract class BaseNfcActivity extends BaseActivity { + + public static final int REQUEST_CODE_PASSPHRASE = 1; + + protected Passphrase mPin; + private NfcAdapter mNfcAdapter; + private IsoDep mIsoDep; + + private static final int TIMEOUT = 100000; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + Intent intent = getIntent(); + String action = intent.getAction(); + if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(action)) { + throw new AssertionError("should not happen: NfcOperationActivity.onCreate is called instead of onNewIntent!"); + } + + } + + /** + * This activity is started as a singleTop activity. + * All new NFC Intents which are delivered to this activity are handled here + */ + @Override + public void onNewIntent(Intent intent) { + if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) { + try { + handleNdefDiscoveredIntent(intent); + } catch (IOException e) { + Log.e(Constants.TAG, "Connection error!", e); + toast("Connection Error: " + e.getMessage()); + setResult(RESULT_CANCELED); + finish(); + } + } + } + + /** + * Called when the system is about to start resuming a previous activity, + * disables NFC Foreground Dispatch + */ + public void onPause() { + super.onPause(); + Log.d(Constants.TAG, "NfcOperationActivity.onPause"); + + disableNfcForegroundDispatch(); + } + + /** + * Called when the activity will start interacting with the user, + * enables NFC Foreground Dispatch + */ + public void onResume() { + super.onResume(); + Log.d(Constants.TAG, "NfcOperationActivity.onResume"); + + enableNfcForegroundDispatch(); + } + + protected void obtainYubikeyPin(RequiredInputParcel requiredInput) { + + Preferences prefs = Preferences.getPreferences(this); + if (prefs.useDefaultYubikeyPin()) { + mPin = new Passphrase("123456"); + return; + } + + Intent intent = new Intent(this, PassphraseDialogActivity.class); + intent.putExtra(PassphraseDialogActivity.EXTRA_REQUIRED_INPUT, + RequiredInputParcel.createRequiredPassphrase(requiredInput)); + startActivityForResult(intent, REQUEST_CODE_PASSPHRASE); + + } + + protected void setYubikeyPin(Passphrase pin) { + mPin = pin; + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + switch (requestCode) { + case REQUEST_CODE_PASSPHRASE: + CryptoInputParcel input = data.getParcelableExtra(PassphraseDialogActivity.RESULT_DATA); + mPin = input.getPassphrase(); + break; + + default: + super.onActivityResult(requestCode, resultCode, data); + } + } + + /** Handle NFC communication and return a result. + * + * This method is called by onNewIntent above upon discovery of an NFC tag. + * It handles initialization and login to the application, subsequently + * calls either nfcCalculateSignature() or nfcDecryptSessionKey(), then + * finishes the activity with an appropiate result. + * + * On general communication, see also + * http://www.cardwerk.com/smartcards/smartcard_standard_ISO7816-4_annex-a.aspx + * + * References to pages are generally related to the OpenPGP Application + * on ISO SmartCard Systems specification. + * + */ + protected void handleNdefDiscoveredIntent(Intent intent) throws IOException { + + Tag detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG); + + // Connect to the detected tag, setting a couple of settings + mIsoDep = IsoDep.get(detectedTag); + mIsoDep.setTimeout(TIMEOUT); // timeout is set to 100 seconds to avoid cancellation during calculation + mIsoDep.connect(); + + // SW1/2 0x9000 is the generic "ok" response, which we expect most of the time. + // See specification, page 51 + String accepted = "9000"; + + // Command APDU (page 51) for SELECT FILE command (page 29) + String opening = + "00" // CLA + + "A4" // INS + + "04" // P1 + + "00" // P2 + + "06" // Lc (number of bytes) + + "D27600012401" // Data (6 bytes) + + "00"; // Le + if ( ! nfcCommunicate(opening).equals(accepted)) { // activate connection + toast("Opening Error!"); + setResult(RESULT_CANCELED); + finish(); + return; + } + + if (mPin != null) { + + byte[] pin = new String(mPin.getCharArray()).getBytes(); + + // Command APDU for VERIFY command (page 32) + String login = + "00" // CLA + + "20" // INS + + "00" // P1 + + "82" // P2 (PW1) + + String.format("%02x", pin.length) // Lc + + Hex.toHexString(pin); + if (!nfcCommunicate(login).equals(accepted)) { // login + toast("Wrong PIN!"); + setResult(RESULT_CANCELED); + finish(); + return; + } + + } + + onNfcPerform(); + + mIsoDep.close(); + mIsoDep = null; + + } + + protected abstract void onNfcPerform() throws IOException; + + /** Return the key id from application specific data stored on tag, or null + * if it doesn't exist. + * + * @param idx Index of the key to return the fingerprint from. + * @return The long key id of the requested key, or null if not found. + */ + public Long nfcGetKeyId(int idx) throws IOException { + byte[] fp = nfcGetFingerprint(idx); + if (fp == null) { + return null; + } + ByteBuffer buf = ByteBuffer.wrap(fp); + // skip first 12 bytes of the fingerprint + buf.position(12); + // the last eight bytes are the key id (big endian, which is default order in ByteBuffer) + return buf.getLong(); + } + + /** Return fingerprints of all keys from application specific data stored + * on tag, or null if data not available. + * + * @return The fingerprints of all subkeys in a contiguous byte array. + */ + public byte[] nfcGetFingerprints() throws IOException { + String data = "00CA006E00"; + byte[] buf = mIsoDep.transceive(Hex.decode(data)); + + Iso7816TLV tlv = Iso7816TLV.readSingle(buf, true); + Log.d(Constants.TAG, "nfc tlv data:\n" + tlv.prettyPrint()); + + Iso7816TLV fptlv = Iso7816TLV.findRecursive(tlv, 0xc5); + if (fptlv == null) { + return null; + } + + return fptlv.mV; + } + + /** Return the fingerprint from application specific data stored on tag, or + * null if it doesn't exist. + * + * @param idx Index of the key to return the fingerprint from. + * @return The fingerprint of the requested key, or null if not found. + */ + public byte[] nfcGetFingerprint(int idx) throws IOException { + byte[] data = nfcGetFingerprints(); + + // return the master key fingerprint + ByteBuffer fpbuf = ByteBuffer.wrap(data); + byte[] fp = new byte[20]; + fpbuf.position(idx*20); + fpbuf.get(fp, 0, 20); + + return fp; + } + + + public String nfcGetUserId() throws IOException { + String info = "00CA006500"; + String data = "00CA005E00"; + return nfcGetHolderName(nfcCommunicate(info)) + " <" + (new String(Hex.decode(nfcGetDataField( + nfcCommunicate(data))))) + ">"; + } + + /** + * Calls to calculate the signature and returns the MPI value + * + * @param hash the hash for signing + * @return a big integer representing the MPI for the given hash + */ + public byte[] nfcCalculateSignature(byte[] hash, int hashAlgo) throws IOException { + + // dsi, including Lc + String dsi; + + Log.i(Constants.TAG, "Hash: " + hashAlgo); + switch (hashAlgo) { + case HashAlgorithmTags.SHA1: + if (hash.length != 20) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 10!"); + } + dsi = "23" // Lc + + "3021" // Tag/Length of Sequence, the 0x21 includes all following 33 bytes + + "3009" // Tag/Length of Sequence, the 0x09 are the following header bytes + + "0605" + "2B0E03021A" // OID of SHA1 + + "0500" // TLV coding of ZERO + + "0414" + getHex(hash); // 0x14 are 20 hash bytes + break; + case HashAlgorithmTags.RIPEMD160: + if (hash.length != 20) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 20!"); + } + dsi = "233021300906052B2403020105000414" + getHex(hash); + break; + case HashAlgorithmTags.SHA224: + if (hash.length != 28) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 28!"); + } + dsi = "2F302D300D06096086480165030402040500041C" + getHex(hash); + break; + case HashAlgorithmTags.SHA256: + if (hash.length != 32) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 32!"); + } + dsi = "333031300D060960864801650304020105000420" + getHex(hash); + break; + case HashAlgorithmTags.SHA384: + if (hash.length != 48) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 48!"); + } + dsi = "433041300D060960864801650304020205000430" + getHex(hash); + break; + case HashAlgorithmTags.SHA512: + if (hash.length != 64) { + throw new RuntimeException("Bad hash length (" + hash.length + ", expected 64!"); + } + dsi = "533051300D060960864801650304020305000440" + getHex(hash); + break; + default: + throw new RuntimeException("Not supported hash algo!"); + } + + // Command APDU for PERFORM SECURITY OPERATION: COMPUTE DIGITAL SIGNATURE (page 37) + String apdu = + "002A9E9A" // CLA, INS, P1, P2 + + dsi // digital signature input + + "00"; // Le + + String response = nfcCommunicate(apdu); + + // split up response into signature and status + String status = response.substring(response.length()-4); + String signature = response.substring(0, response.length() - 4); + + // while we are getting 0x61 status codes, retrieve more data + while (status.substring(0, 2).equals("61")) { + Log.d(Constants.TAG, "requesting more data, status " + status); + // Send GET RESPONSE command + response = nfcCommunicate("00C00000" + status.substring(2)); + status = response.substring(response.length()-4); + signature += response.substring(0, response.length()-4); + } + + Log.d(Constants.TAG, "final response:" + status); + + if ( ! "9000".equals(status)) { + toast("Bad NFC response code: " + status); + return null; + } + + // Make sure the signature we received is actually the expected number of bytes long! + if (signature.length() != 256 && signature.length() != 512) { + toast("Bad signature length! Expected 128 or 256 bytes, got " + signature.length() / 2); + return null; + } + + return Hex.decode(signature); + } + + /** + * Calls to calculate the signature and returns the MPI value + * + * @param encryptedSessionKey the encoded session key + * @return the decoded session key + */ + public byte[] nfcDecryptSessionKey(byte[] encryptedSessionKey) throws IOException { + String firstApdu = "102a8086fe"; + String secondApdu = "002a808603"; + String le = "00"; + + byte[] one = new byte[254]; + // leave out first byte: + System.arraycopy(encryptedSessionKey, 1, one, 0, one.length); + + byte[] two = new byte[encryptedSessionKey.length - 1 - one.length]; + for (int i = 0; i < two.length; i++) { + two[i] = encryptedSessionKey[i + one.length + 1]; + } + + String first = nfcCommunicate(firstApdu + getHex(one)); + String second = nfcCommunicate(secondApdu + getHex(two) + le); + + String decryptedSessionKey = nfcGetDataField(second); + + Log.d(Constants.TAG, "decryptedSessionKey: " + decryptedSessionKey); + + return Hex.decode(decryptedSessionKey); + } + + /** + * Prints a message to the screen + * + * @param text the text which should be contained within the toast + */ + protected void toast(String text) { + Toast.makeText(this, text, Toast.LENGTH_LONG).show(); + } + + /** + * Receive new NFC Intents to this activity only by enabling foreground dispatch. + * This can only be done in onResume! + */ + public void enableNfcForegroundDispatch() { + mNfcAdapter = NfcAdapter.getDefaultAdapter(this); + Intent nfcI = new Intent(this, NfcOperationActivity.class) + .addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP); + PendingIntent nfcPendingIntent = PendingIntent.getActivity(this, 0, nfcI, PendingIntent.FLAG_CANCEL_CURRENT); + IntentFilter[] writeTagFilters = new IntentFilter[]{ + new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED) + }; + + // https://code.google.com/p/android/issues/detail?id=62918 + // maybe mNfcAdapter.enableReaderMode(); ? + try { + mNfcAdapter.enableForegroundDispatch(this, nfcPendingIntent, writeTagFilters, null); + } catch (IllegalStateException e) { + Log.i(Constants.TAG, "NfcForegroundDispatch Error!", e); + } + Log.d(Constants.TAG, "NfcForegroundDispatch has been enabled!"); + } + + /** + * Disable foreground dispatch in onPause! + */ + public void disableNfcForegroundDispatch() { + mNfcAdapter.disableForegroundDispatch(this); + Log.d(Constants.TAG, "NfcForegroundDispatch has been disabled!"); + } + + public String nfcGetHolderName(String name) { + String slength; + int ilength; + name = name.substring(6); + slength = name.substring(0, 2); + ilength = Integer.parseInt(slength, 16) * 2; + name = name.substring(2, ilength + 2); + name = (new String(Hex.decode(name))).replace('<', ' '); + return (name); + } + + private String nfcGetDataField(String output) { + return output.substring(0, output.length() - 4); + } + + public String nfcCommunicate(String apdu) throws IOException { + return getHex(mIsoDep.transceive(Hex.decode(apdu))); + } + + public static String getHex(byte[] raw) { + return new String(Hex.encode(raw)); + } + +} |