Updated on 2026-08-14
This commit is contained in:
Tangem
parent
5c482bf194
commit
425a9019f2
9 changed files with 465 additions and 400 deletions
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@ -1,4 +0,0 @@
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package com.tangem.data.DB;
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public class Repository {
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}
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@ -1,4 +0,0 @@
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package com.tangem.data.network.model;
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public class UserModel {
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}
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@ -0,0 +1,197 @@
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package com.tangem.data.network.task.request_pin;
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import android.annotation.TargetApi;
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import android.hardware.fingerprint.FingerprintManager;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.security.keystore.KeyGenParameterSpec;
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import android.security.keystore.KeyPermanentlyInvalidatedException;
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import android.security.keystore.KeyProperties;
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import com.tangem.domain.wallet.FingerprintHelper;
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import com.tangem.domain.wallet.PINStorage;
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import com.tangem.presentation.activity.RequestPINActivity;
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import java.io.IOException;
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import java.lang.ref.WeakReference;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.cert.CertificateException;
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import javax.crypto.Cipher;
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import javax.crypto.KeyGenerator;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.IvParameterSpec;
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public class StartFingerprintReaderTask extends AsyncTask<Void, Void, Boolean> {
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private WeakReference<RequestPINActivity> reference;
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private KeyStore keyStore;
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private Cipher cipher;
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private FingerprintManager.CryptoObject cryptoObject;
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FingerprintManager fingerprintManager;
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FingerprintHelper fingerprintHelper;
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RequestPINActivity activity;
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public StartFingerprintReaderTask(RequestPINActivity activity, FingerprintManager fingerprintManager, FingerprintHelper fingerprintHelper) {
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reference = new WeakReference<>(activity);
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this.fingerprintManager = fingerprintManager;
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this.fingerprintHelper = fingerprintHelper;
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this.activity = activity;
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}
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@Override
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protected Boolean doInBackground(Void... params) {
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if (!getKeyStore())
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return false;
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if (!createNewKey(false))
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return false;
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if (!getCipher())
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return false;
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if (!initCipher(Cipher.DECRYPT_MODE))
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return false;
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return initCryptObject();
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}
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@Override
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protected void onPostExecute(final Boolean success) {
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RequestPINActivity requestPINActivity = reference.get();
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onCancelled();
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if (!success) {
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requestPINActivity.doLog("Authentication failed!");
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} else {
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fingerprintHelper.startAuth(fingerprintManager, cryptoObject);
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requestPINActivity.doLog("Authenticate using fingerprint!");
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}
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}
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@Override
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protected void onCancelled() {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.mStartFingerprintReaderTask = null;
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}
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private boolean getKeyStore() {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.doLog("Getting keystore...");
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try {
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keyStore = KeyStore.getInstance(RequestPINActivity.KEYSTORE);
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keyStore.load(null); // Create empty keystore
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return true;
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} catch (KeyStoreException | CertificateException | NoSuchAlgorithmException | IOException e) {
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e.printStackTrace();
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}
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return false;
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}
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@TargetApi(Build.VERSION_CODES.M)
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public boolean createNewKey(boolean forceCreate) {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.doLog("Creating new key...");
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try {
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if (forceCreate)
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keyStore.deleteEntry(RequestPINActivity.KEY_ALIAS);
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if (!keyStore.containsAlias(RequestPINActivity.KEY_ALIAS)) {
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KeyGenerator generator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, RequestPINActivity.KEYSTORE);
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generator.init(new KeyGenParameterSpec.Builder(RequestPINActivity.KEY_ALIAS,
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KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
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.setBlockModes(KeyProperties.BLOCK_MODE_CBC)
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.setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7)
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.setUserAuthenticationRequired(true)
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.build()
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);
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generator.generateKey();
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requestPINActivity.doLog("Key created.");
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} else
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requestPINActivity.doLog("Key exists.");
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return false;
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}
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private boolean getCipher() {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.doLog("Getting cipher...");
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try {
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cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/" + KeyProperties.BLOCK_MODE_CBC + "/" + KeyProperties.ENCRYPTION_PADDING_PKCS7);
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return true;
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} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
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e.printStackTrace();
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}
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return false;
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}
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@TargetApi(Build.VERSION_CODES.M)
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private boolean initCipher(int mode) {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.doLog("Initializing cipher...");
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try {
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keyStore.load(null);
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SecretKey keyspec = (SecretKey) keyStore.getKey(RequestPINActivity.KEY_ALIAS, null);
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if (mode == Cipher.ENCRYPT_MODE) {
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cipher.init(mode, keyspec);
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} else {
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byte[] iv = null;
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if (requestPINActivity.mode == RequestPINActivity.Mode.RequestPIN || activity.mode == RequestPINActivity.Mode.RequestNewPIN || activity.mode == RequestPINActivity.Mode.ConfirmNewPIN) {
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iv = PINStorage.loadEncryptedIV();
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} else if (activity.mode == RequestPINActivity.Mode.RequestPIN2 || activity.mode == RequestPINActivity.Mode.RequestNewPIN2 || activity.mode == RequestPINActivity.Mode.ConfirmNewPIN2) {
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iv = PINStorage.loadEncryptedIV2();
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}
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IvParameterSpec ivspec = new IvParameterSpec(iv);
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cipher.init(mode, keyspec, ivspec);
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}
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return true;
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} catch (KeyPermanentlyInvalidatedException e) {
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e.printStackTrace();
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createNewKey(true); // Retry after clearing entry
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} catch (Exception e) {
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e.printStackTrace();
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}
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return false;
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}
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@TargetApi(Build.VERSION_CODES.M)
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private boolean initCryptObject() {
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RequestPINActivity requestPINActivity = reference.get();
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requestPINActivity.doLog("Initializing crypt object...");
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try {
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cryptoObject = new FingerprintManager.CryptoObject(cipher);
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return false;
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}
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}
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@ -0,0 +1,65 @@
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package com.tangem.data.network.task.save_pin;
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import android.os.AsyncTask;
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import android.widget.Toast;
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import com.tangem.domain.wallet.FingerprintHelper;
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import com.tangem.presentation.activity.SavePINActivity;
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import com.tangem.wallet.R;
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import java.lang.ref.WeakReference;
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import javax.crypto.Cipher;
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public class ConfirmWithFingerprintTask extends AsyncTask<Void, Void, Boolean> {
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private WeakReference<SavePINActivity> reference;
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public ConfirmWithFingerprintTask(SavePINActivity context) {
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reference = new WeakReference<>(context);
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reference.get().fingerprintHelper = new FingerprintHelper(reference.get());
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}
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@Override
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protected Boolean doInBackground(Void... params) {
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SavePINActivity savePINActivity = reference.get();
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if (!savePINActivity.getKeyStore())
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return false;
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if (!savePINActivity.createNewKey(false))
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return false;
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if (!savePINActivity.getCipher())
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return false;
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return savePINActivity.initCipher(Cipher.ENCRYPT_MODE) && savePINActivity.initCryptObject();
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}
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@Override
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protected void onPostExecute(final Boolean success) {
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SavePINActivity savePINActivity = reference.get();
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onCancelled();
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if (!success) {
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Toast.makeText(savePINActivity, R.string.pin_save_fail, Toast.LENGTH_LONG).show();
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} else {
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savePINActivity.print("Confirm PIN action using fingerprint!");
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savePINActivity.fingerprintHelper.startAuth(savePINActivity.fingerprintManager, savePINActivity.cryptoObject);
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savePINActivity.CreateFingerPrintConfirmationDialog();
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}
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}
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@Override
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protected void onCancelled() {
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SavePINActivity savePINActivity = reference.get();
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savePINActivity.mConfirmWithFingerprintTask = null;
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if (savePINActivity.dFingerPrintConfirmation != null) {
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savePINActivity.dFingerPrintConfirmation.cancel();
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}
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}
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}
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@ -0,0 +1,86 @@
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package com.tangem.data.network.task.send_transaction;
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import android.util.Log;
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import com.tangem.data.network.request.ElectrumRequest;
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import com.tangem.data.network.task.ElectrumTask;
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import com.tangem.domain.wallet.Blockchain;
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import com.tangem.domain.wallet.CoinEngine;
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import com.tangem.domain.wallet.CoinEngineFactory;
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import com.tangem.domain.wallet.LastSignStorage;
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import com.tangem.domain.wallet.SharedData;
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import com.tangem.presentation.activity.SendTransactionActivity;
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import org.json.JSONException;
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import java.lang.ref.WeakReference;
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import java.math.BigInteger;
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import java.util.List;
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public class ConnectTask extends ElectrumTask {
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private WeakReference<SendTransactionActivity> reference;
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public ConnectTask(SendTransactionActivity context, String host, int port) {
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super(host, port);
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reference = new WeakReference<>(context);
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}
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public ConnectTask(SendTransactionActivity context, String host, int port, SharedData sharedData) {
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super(host, port, sharedData);
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reference = new WeakReference<>(context);
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}
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@Override
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protected void onProgressUpdate(Integer... values) {
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super.onProgressUpdate(values);
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}
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@Override
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protected void onPostExecute(List<ElectrumRequest> requests) {
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super.onPostExecute(requests);
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SendTransactionActivity sendTransactionActivity = reference.get();
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CoinEngine engine = CoinEngineFactory.Create(Blockchain.Bitcoin);
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for (ElectrumRequest request : requests) {
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try {
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if (request.error == null) {
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if (request.isMethod(ElectrumRequest.METHOD_SendTransaction)) {
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try {
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String hashTX = request.getResultString();
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try {
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LastSignStorage.setLastMessage(sendTransactionActivity.mCard.getWallet(), hashTX);
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if (hashTX.startsWith("0x") || hashTX.startsWith("0X")) {
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hashTX = hashTX.substring(2);
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}
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BigInteger bigInt = new BigInteger(hashTX, 16); //TODO: очень плохой способ
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LastSignStorage.setTxWasSend(sendTransactionActivity.mCard.getWallet());
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LastSignStorage.setLastMessage(sendTransactionActivity.mCard.getWallet(), "");
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Log.e("TX_RESULT", hashTX);
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sendTransactionActivity.finishWithSuccess();
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} catch (Exception e) {
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engine.SwitchNode(null);
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sendTransactionActivity.finishWithError(hashTX);
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return;
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}
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} catch (JSONException e) {
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e.printStackTrace();
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engine.SwitchNode(null);
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sendTransactionActivity.finishWithError(e.toString());
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}
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}
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} else if (request.error != null) {
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engine.SwitchNode(null);
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sendTransactionActivity.finishWithError(request.error);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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engine.SwitchNode(null);
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sendTransactionActivity.finishWithError(e.toString());
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}
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}
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}
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}
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@ -0,0 +1,80 @@
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package com.tangem.data.network.task.send_transaction;
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import android.util.Log;
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import com.tangem.data.network.request.InfuraRequest;
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import com.tangem.data.network.task.InfuraTask;
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import com.tangem.domain.wallet.Blockchain;
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import com.tangem.domain.wallet.LastSignStorage;
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import com.tangem.presentation.activity.SendTransactionActivity;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.lang.ref.WeakReference;
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import java.math.BigInteger;
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import java.util.List;
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public class ETHRequestTask extends InfuraTask {
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private WeakReference<SendTransactionActivity> reference;
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public ETHRequestTask(SendTransactionActivity context, Blockchain blockchain) {
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super(blockchain);
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reference = new WeakReference<>(context);
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}
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@Override
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protected void onPostExecute(List<InfuraRequest> requests) {
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super.onPostExecute(requests);
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SendTransactionActivity sendTransactionActivity = reference.get();
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for (InfuraRequest request : requests) {
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try {
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if (request.error == null) {
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if (request.isMethod(InfuraRequest.METHOD_ETH_SendRawTransaction)) {
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try {
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String hashTX = "";
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try {
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String tmp = request.getResultString();
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hashTX = tmp;
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} catch (JSONException e) {
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JSONObject msg = request.getAnswer();
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JSONObject err = msg.getJSONObject("error");
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hashTX = err.getString("message");
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LastSignStorage.setLastMessage(sendTransactionActivity.mCard.getWallet(), hashTX);
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sendTransactionActivity.finishWithError(hashTX);
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return;
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}
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try {
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if (hashTX.startsWith("0x") || hashTX.startsWith("0X")) {
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hashTX = hashTX.substring(2);
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}
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BigInteger bigInt = new BigInteger(hashTX, 16); //TODO: очень плохой способ
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LastSignStorage.setTxWasSend(sendTransactionActivity.mCard.getWallet());
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LastSignStorage.setLastMessage(sendTransactionActivity.mCard.getWallet(), "");
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BigInteger nonce = sendTransactionActivity.mCard.GetConfirmTXCount();
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nonce.add(BigInteger.valueOf(1));
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sendTransactionActivity.mCard.SetConfirmTXCount(nonce);
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Log.e("TX_RESULT", hashTX);
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sendTransactionActivity.finishWithSuccess();
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} catch (Exception e) {
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sendTransactionActivity.finishWithError(hashTX);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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sendTransactionActivity.finishWithError(e.toString());
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}
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}
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} else if (request.error != null) {
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sendTransactionActivity.finishWithError(request.error);
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}
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} catch (JSONException e) {
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e.printStackTrace();
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sendTransactionActivity.finishWithError(e.toString());
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}
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}
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}
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}
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