mirror of
https://code.briarproject.org/briar/briar.git
synced 2026-02-12 10:49:06 +01:00
Changed the root package from net.sf.briar to org.briarproject.
This commit is contained in:
akwizgran
225
briar-android/src/org/briarproject/android/SetupActivity.java
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225
briar-android/src/org/briarproject/android/SetupActivity.java
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package org.briarproject.android;
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import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
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import static android.text.InputType.TYPE_CLASS_TEXT;
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import static android.text.InputType.TYPE_TEXT_FLAG_CAP_WORDS;
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import static android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
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import static android.view.Gravity.CENTER;
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import static android.view.Gravity.CENTER_HORIZONTAL;
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import static android.view.View.GONE;
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import static android.view.View.VISIBLE;
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import static android.widget.LinearLayout.VERTICAL;
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import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
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import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP;
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import java.util.Arrays;
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import java.util.concurrent.Executor;
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import javax.inject.Inject;
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import org.briarproject.R;
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import org.briarproject.api.AuthorFactory;
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import org.briarproject.api.LocalAuthor;
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import org.briarproject.api.android.ReferenceManager;
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import org.briarproject.api.crypto.CryptoComponent;
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import org.briarproject.api.crypto.CryptoExecutor;
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import org.briarproject.api.crypto.KeyPair;
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import org.briarproject.api.db.DatabaseConfig;
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import org.briarproject.util.StringUtils;
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import roboguice.activity.RoboActivity;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.os.Bundle;
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import android.text.Editable;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.ProgressBar;
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import android.widget.ScrollView;
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import android.widget.TextView;
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public class SetupActivity extends RoboActivity implements OnClickListener {
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private static final int MIN_PASSWORD_LENGTH = 8;
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@Inject @CryptoExecutor private Executor cryptoExecutor;
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private EditText nicknameEntry = null;
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private EditText passwordEntry = null, passwordConfirmation = null;
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private Button continueButton = null;
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private ProgressBar progress = null;
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// Fields that are accessed from background threads must be volatile
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@Inject private volatile CryptoComponent crypto;
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@Inject private volatile DatabaseConfig databaseConfig;
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@Inject private volatile AuthorFactory authorFactory;
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@Inject private volatile ReferenceManager referenceManager;
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@Override
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public void onCreate(Bundle state) {
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super.onCreate(state);
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LinearLayout layout = new LinearLayout(this);
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layout.setLayoutParams(MATCH_MATCH);
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layout.setOrientation(VERTICAL);
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layout.setGravity(CENTER_HORIZONTAL);
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TextView chooseNickname = new TextView(this);
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chooseNickname.setGravity(CENTER);
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chooseNickname.setTextSize(18);
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chooseNickname.setPadding(10, 10, 10, 0);
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chooseNickname.setText(R.string.choose_nickname);
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layout.addView(chooseNickname);
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nicknameEntry = new EditText(this) {
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@Override
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protected void onTextChanged(CharSequence text, int start,
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int lengthBefore, int lengthAfter) {
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enableOrDisableContinueButton();
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}
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};
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nicknameEntry.setId(1);
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nicknameEntry.setMaxLines(1);
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int inputType = TYPE_CLASS_TEXT | TYPE_TEXT_FLAG_CAP_WORDS;
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nicknameEntry.setInputType(inputType);
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layout.addView(nicknameEntry);
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TextView choosePassword = new TextView(this);
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choosePassword.setGravity(CENTER);
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choosePassword.setTextSize(18);
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choosePassword.setPadding(10, 10, 10, 0);
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choosePassword.setText(R.string.choose_password);
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layout.addView(choosePassword);
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passwordEntry = new EditText(this) {
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@Override
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protected void onTextChanged(CharSequence text, int start,
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int lengthBefore, int lengthAfter) {
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enableOrDisableContinueButton();
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}
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};
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passwordEntry.setId(2);
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passwordEntry.setMaxLines(1);
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inputType = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
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passwordEntry.setInputType(inputType);
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layout.addView(passwordEntry);
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TextView confirmPassword = new TextView(this);
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confirmPassword.setGravity(CENTER);
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confirmPassword.setTextSize(18);
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confirmPassword.setPadding(10, 10, 10, 0);
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confirmPassword.setText(R.string.confirm_password);
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layout.addView(confirmPassword);
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passwordConfirmation = new EditText(this) {
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@Override
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protected void onTextChanged(CharSequence text, int start,
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int lengthBefore, int lengthAfter) {
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enableOrDisableContinueButton();
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}
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};
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passwordConfirmation.setId(3);
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passwordConfirmation.setMaxLines(1);
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inputType = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
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passwordConfirmation.setInputType(inputType);
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layout.addView(passwordConfirmation);
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TextView minPasswordLength = new TextView(this);
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minPasswordLength.setGravity(CENTER);
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minPasswordLength.setTextSize(14);
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minPasswordLength.setPadding(10, 10, 10, 10);
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String format = getResources().getString(R.string.format_min_password);
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minPasswordLength.setText(String.format(format, MIN_PASSWORD_LENGTH));
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layout.addView(minPasswordLength);
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continueButton = new Button(this);
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continueButton.setLayoutParams(WRAP_WRAP);
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continueButton.setText(R.string.continue_button);
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continueButton.setEnabled(false);
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continueButton.setOnClickListener(this);
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layout.addView(continueButton);
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progress = new ProgressBar(this);
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progress.setLayoutParams(WRAP_WRAP);
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progress.setIndeterminate(true);
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progress.setVisibility(GONE);
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layout.addView(progress);
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ScrollView scroll = new ScrollView(this);
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scroll.addView(layout);
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setContentView(scroll);
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}
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private void enableOrDisableContinueButton() {
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if(nicknameEntry == null || passwordEntry == null ||
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passwordConfirmation == null || continueButton == null) return;
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boolean nicknameNotEmpty = nicknameEntry.getText().length() > 0;
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char[] firstPassword = getChars(passwordEntry.getText());
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char[] secondPassword = getChars(passwordConfirmation.getText());
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boolean passwordLength = firstPassword.length >= MIN_PASSWORD_LENGTH;
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boolean passwordsMatch = Arrays.equals(firstPassword, secondPassword);
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for(int i = 0; i < firstPassword.length; i++) firstPassword[i] = 0;
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for(int i = 0; i < secondPassword.length; i++) secondPassword[i] = 0;
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boolean valid = nicknameNotEmpty && passwordLength && passwordsMatch;
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continueButton.setEnabled(valid);
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}
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private char[] getChars(Editable e) {
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int length = e.length();
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char[] c = new char[length];
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e.getChars(0, length, c, 0);
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return c;
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}
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public void onClick(View view) {
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final String nickname = nicknameEntry.getText().toString();
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final char[] password = getChars(passwordEntry.getText());
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delete(passwordEntry.getText());
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delete(passwordConfirmation.getText());
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// Replace the button with a progress bar
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continueButton.setVisibility(GONE);
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progress.setVisibility(VISIBLE);
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// Store the DB key and create the identity in a background thread
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cryptoExecutor.execute(new Runnable() {
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public void run() {
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byte[] key = crypto.generateSecretKey().getEncoded();
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byte[] encrypted = crypto.encryptWithPassword(key, password);
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storeEncryptedDatabaseKey(encrypted);
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databaseConfig.setEncryptionKey(key);
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KeyPair keyPair = crypto.generateSignatureKeyPair();
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final byte[] publicKey = keyPair.getPublic().getEncoded();
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final byte[] privateKey = keyPair.getPrivate().getEncoded();
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LocalAuthor a = authorFactory.createLocalAuthor(nickname,
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publicKey, privateKey);
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showHomeScreen(referenceManager.putReference(a,
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LocalAuthor.class));
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}
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});
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}
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private void delete(Editable e) {
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e.delete(0, e.length());
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}
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private void storeEncryptedDatabaseKey(byte[] encrypted) {
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SharedPreferences prefs = getSharedPreferences("db", MODE_PRIVATE);
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Editor editor = prefs.edit();
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editor.putString("key", StringUtils.toHexString(encrypted));
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editor.commit();
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}
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private void showHomeScreen(final long handle) {
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runOnUiThread(new Runnable() {
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public void run() {
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Intent i = new Intent(SetupActivity.this,
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HomeScreenActivity.class);
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i.putExtra("org.briarproject.LOCAL_AUTHOR_HANDLE", handle);
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i.setFlags(FLAG_ACTIVITY_NEW_TASK);
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startActivity(i);
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finish();
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}
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});
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}
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}
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