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PwdHashApp.java
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PwdHashApp.java
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/**
* PwdHash, PwdHashApp.java
* A password hash implementation for Android.
*
* Copyright (c) 2010 Philipp Wolfer
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the RBrainz project nor the names of the
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author Philipp Wolfer <ph.wolfer@googlemail.com>
*/
package com.uploadedlobster.PwdHash;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.text.ClipboardManager;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
/**
* @author philipp
*
*/
public class PwdHashApp extends Activity {
private Preferences mPreferences;
private EditText mSiteAddress;
private EditText mPassword;
private TextView mHashedPassword;
private Button mCopyBtn;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mSiteAddress = (EditText) findViewById(R.id.siteAddress);
mPassword = (EditText) findViewById(R.id.password);
mHashedPassword = (TextView) findViewById(R.id.hashedPassword);
mCopyBtn = (Button) findViewById(R.id.copyBtn);
mPreferences = new Preferences(this);
setWindowGeometry();
restoreSavedState();
handleIntents();
registerEventListeners();
}
@Override
protected void onStop() {
super.onStop();
mPreferences.setSavedSiteAddress(mSiteAddress.getText().toString());
}
private void setWindowGeometry() {
Window window = getWindow();
window.setLayout(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
int maxWidth = getResources().getDimensionPixelSize(
R.dimen.maxWindowWidth);
if (metrics.widthPixels > maxWidth) {
window.setLayout(maxWidth, LayoutParams.WRAP_CONTENT);
}
}
private void restoreSavedState() {
String savedSiteAddress = mPreferences.getSavedSiteAddress();
if (!savedSiteAddress.equals("")) {
mSiteAddress.setText(savedSiteAddress);
mSiteAddress.selectAll();
}
}
private void handleIntents() {
Intent intent = getIntent();
if (intent.getAction().equals(Intent.ACTION_SEND)) {
String siteAddress = intent.getStringExtra(Intent.EXTRA_TEXT);
if (!siteAddress.equals("")) {
mSiteAddress.setText(siteAddress);
mPassword.requestFocus();
}
}
}
private void registerEventListeners() {
TextWatcher updatePasswordTextWatcher = new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
String realm = DomainExtractor.extractDomain(mSiteAddress.getText()
.toString());
String password = mPassword.getText().toString();
updateHashedPassword(realm, password);
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {}
@Override
public void afterTextChanged(Editable s) {}
};
mSiteAddress.addTextChangedListener(updatePasswordTextWatcher);
mPassword.addTextChangedListener(updatePasswordTextWatcher);
mCopyBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String realm = DomainExtractor.extractDomain(mSiteAddress.getText()
.toString());
String password = mPassword.getText().toString();
if (realm.equals("")) {
mSiteAddress.requestFocus();
} else if (password.equals("")) {
mPassword.requestFocus();
} else {
String hashedPassword = updateHashedPassword(realm, password);
if (!hashedPassword.equals("")) {
ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clipboard.setText(hashedPassword);
CharSequence clipboardNotification = getString(R.string.copiedToClipboardNotification);
showNotification(clipboardNotification);
finish();
}
}
}
});
}
private String updateHashedPassword(String realm, String password) {
String result = "";
if (!realm.equals("") && !password.equals("")) {
HashedPassword hashedPassword = HashedPassword.create(password, realm);
result = hashedPassword.toString();
}
if (result.equals(""))
mCopyBtn.setEnabled(false);
else
mCopyBtn.setEnabled(true);
mHashedPassword.setText(result);
return result;
}
private void showNotification(CharSequence text) {
Context context = getApplicationContext();
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(context, text, duration);
toast.show();
}
}