/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ve.gob.cenditel.tibisaymovil; import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.Collections; import java.util.List; import android.app.Activity; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.util.SparseBooleanArray; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.Window; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.CheckBox; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; /** * Activity that mimics the Android >= 4.0 Keychain. {@link KeyChainStrategy} automatically starts this activity * when needed. * * @author José M. Prieto (jmprieto@emergya.com) */ public class KeyChainActivity extends Activity implements OnClickListener, OnItemClickListener { private KeyChainView viewHolder; private CustomKeyChain keyChain; private int numChecks; private CertificateAdapter adapt; @Override public void onCreate(Bundle savedInstanceState) { //Estilando la barra de titulo final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); super.onCreate(savedInstanceState); this.keyChain = CustomKeyChain.getInstance(); this.viewHolder = new KeyChainView(); //Eliminate menu. Not used for now. if (this.getIntent()!=null){ boolean quitmenu = this.getIntent().getBooleanExtra("quitmenu", false); if (quitmenu) { this.viewHolder.accept.setVisibility(View.GONE); this.viewHolder.cancel.setVisibility(View.GONE); } }else{ this.viewHolder.accept.setVisibility(View.VISIBLE); this.viewHolder.cancel.setVisibility(View.VISIBLE); } try { this.adapt = new KeyChainActivity.CertificateAdapter(this.keyChain); this.viewHolder.aliases.setAdapter(adapt); } catch (KeystoreException e) { Toast.makeText(this, R.string.error_unknown, Toast.LENGTH_LONG).show(); //throw new RuntimeException(e); } if (this.adapt!=null && this.adapt.aliases.size()==1){ this.numChecks=1; this.viewHolder.aliases.setItemChecked(0, true); }else this.numChecks = 0; this.updateCheckedNumber(); this.updateButtons(); //Estilando Barra de titulo if(customTitleSupported) getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar); } @Override protected void onResume(){ super.onResume(); //TODO: this.keyChain.reloadKeyStore(); if (this.adapt!=null) this.adapt.notifyDataSetChanged(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt("numChecks", this.numChecks); } @Override public boolean onCreateOptionsMenu(Menu menu) { /*getMenuInflater().inflate(R.menu.keychain_menu, menu);*/ return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.change_password: changePassword(); return true; default: return super.onOptionsItemSelected(item); } } @Override public void onClick(View view) { switch (view.getId()) { case R.id.cert_chooser_install_button: Intent intent = new Intent(this, PKCS12FilePickerActivity.class); startActivityForResult(intent, ActivityResult.IMPORT_CERTIFICATE); break; case R.id.button_cancel: setResult(RESULT_CANCELED); finish(); break; case R.id.button_accept: if (this.numChecks==1){ acceptSelectedCertificate(); } break; case R.id.button_delete: if (this.numChecks>0) deleteSelectedCertificates(); break; } } private void acceptSelectedCertificate() { Toast.makeText(this, "accept", Toast.LENGTH_LONG).show(); SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); boolean found=false; int firstPosition=-1; for (int i = 0; i < checkedItems.size() && found==false; i++) { Toast.makeText(this, "i="+i, Toast.LENGTH_LONG).show(); if( checkedItems.valueAt(i)== true){ found=true; firstPosition=checkedItems.keyAt(i); } } if (firstPosition!=-1){ KeyChainStrategy.activity.setAlias((String) this.viewHolder.aliases.getItemAtPosition(firstPosition)); setResult(Activity.RESULT_OK); finish(); } } private void deleteSelectedCertificates() { SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); for (int i = 0; i < checkedItems.size(); i++) { if(checkedItems.valueAt(i) == true){ try { int position = checkedItems.keyAt(i); KeyChainStrategy.getInstance().deleteCertificate( (String) this.viewHolder.aliases.getItemAtPosition(position)); } catch (KeystoreException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } } } //Refresh adapter. NotifyDataSetChange didnt work. try { KeyChainActivity.this.viewHolder.aliases.setAdapter( new CertificateAdapter(KeyChainActivity.this.keyChain)); } catch (KeystoreException e) { e.printStackTrace(); } this.updateCheckedNumber(); this.updateButtons(); //Refresh KeyChain for external views. try { this.keyChain.saveKeystore(); this.keyChain.reloadKeyStore(); } catch (KeystoreException e) { } catch (OutOfSpaceError e) { } } @Override public void onItemClick(AdapterView parent, View view, int item, long id) { this.updateCheckedNumber(); this.updateButtons(); } private void updateButtons() { this.viewHolder.delete.setEnabled(this.numChecks>0); this.viewHolder.accept.setEnabled(this.numChecks==1); } private void updateCheckedNumber() { SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); int count = 0; for (int i = 0; i < checkedItems.size(); i++) { if (checkedItems.valueAt(i)) count++; } this.numChecks = count; } @Override protected void onActivityResult(int requestCode, int resultCode, final Intent data) { if (requestCode == ActivityResult.IMPORT_CERTIFICATE && resultCode == Activity.RESULT_OK) { final PasswordDialog dialog = new PasswordDialog(this, R.string.certificate_password, false); dialog.setAcceptListener(new OnClickListener() { @Override public void onClick(View v) { try { int imported = KeyChainActivity.this.keyChain.importCertificate(data.getData(), dialog.getPassword()); KeyChainActivity.this.keyChain.saveKeystore(); String text = KeyChainActivity.this.getResources().getQuantityString(R.plurals.number_imported_certificates, imported, imported); Toast.makeText(KeyChainActivity.this, text, Toast.LENGTH_LONG).show(); KeyChainActivity.this.viewHolder.aliases.setAdapter( new CertificateAdapter(KeyChainActivity.this.keyChain)); } catch (IncorrectPasswordException e) { Toast toast = Toast.makeText(KeyChainActivity.this, R.string.incorrect_password, Toast.LENGTH_LONG); toast.show(); } catch (Exception e) { Toast toast = Toast.makeText(KeyChainActivity.this, R.string.error_reading_p12, Toast.LENGTH_LONG); toast.show(); } dialog.dismiss(); } }); dialog.show(); } } public void changePassword() { final PasswordConfirmationDialog dialog = new PasswordConfirmationDialog(this, R.string.keystore_new_password); dialog.setAcceptListener(new OnClickListener() { @Override public void onClick(View v) { String newPassword = dialog.getPassword(); dialog.dismiss(); try { KeyChainActivity.this.keyChain.saveKeystore(newPassword); Toast.makeText(KeyChainActivity.this, R.string.password_change_success, Toast.LENGTH_LONG).show(); } catch (OutOfSpaceError e) { Toast.makeText(KeyChainActivity.this, R.string.error_no_space, Toast.LENGTH_LONG).show(); } catch (KeystoreException e) { Toast.makeText(KeyChainActivity.this, R.string.error_unknown, Toast.LENGTH_LONG).show(); //throw new RuntimeException(e); } } }); dialog.show(); } private class CertificateAdapter extends BaseAdapter { private final List aliases; private final List subjects = new ArrayList(); private CustomKeyChain keyChain; private CertificateAdapter(CustomKeyChain keyChain) throws KeystoreException { this.aliases = Collections.list(keyChain.getAliases()); this.subjects.addAll(Collections.nCopies(this.aliases.size(), (String) null)); this.keyChain = keyChain; } @Override public int getCount() { return this.aliases.size(); } @Override public String getItem(int adapterPosition) { return this.aliases.get(adapterPosition); } @Override public long getItemId(int adapterPosition) { return adapterPosition; } @Override public View getView(final int position, View convertView, ViewGroup parent) { if (convertView == null) { LayoutInflater inflater = LayoutInflater.from(KeyChainActivity.this); convertView = inflater.inflate(R.layout.cert_item, parent, false); } TextView aliasTextView = (TextView) convertView.findViewById(R.id.cert_item_alias); TextView subjectTextView = (TextView) convertView.findViewById(R.id.cert_item_subject); CheckBox checkBox = (CheckBox) convertView.findViewById(R.id.cert_item_selected); String alias = this.aliases.get(position); convertView.setTag(alias); aliasTextView.setText(alias); String subject = this.subjects.get(position); if (subject == null) { new CertLoader(position, subjectTextView, this.keyChain).execute(); } else { subjectTextView.setText(subject); } ListView lv = (ListView)parent; checkBox.setChecked(lv.getCheckedItemPositions().get(position)); return convertView; } private class CertLoader extends AsyncTask { private final int adapterPosition; private final TextView subjectView; private CustomKeyChain keyChain; private CertLoader(int adapterPosition, TextView subjectView, CustomKeyChain keyChain) { this.adapterPosition = adapterPosition; this.subjectView = subjectView; this.keyChain = keyChain; } @Override protected String doInBackground(Void... params) { String alias = CertificateAdapter.this.aliases.get(this.adapterPosition); X509Certificate cert; try { cert = this.keyChain.getCertificateChain(alias)[0]; // bouncycastle can handle the emailAddress OID of 1.2.840.113549.1.9.1 return cert.getSubjectDN().getName(); } catch (KeystoreException e) { return ""; } } @Override protected void onPostExecute(String subjectString) { CertificateAdapter.this.subjects.set(this.adapterPosition, subjectString); this.subjectView.setText(subjectString); } } } private class KeyChainView { public ListView aliases; public TextView install; public ImageView accept; public ImageView cancel; public TextView delete; public KeyChainView() { setContentView(R.layout.cert_chooser); this.aliases = (ListView) findViewById(R.id.cert_chooser); this.aliases.setOnItemClickListener(KeyChainActivity.this); this.install = (TextView) findViewById(R.id.cert_chooser_install_button); this.install.setOnClickListener(KeyChainActivity.this); this.accept = (ImageView) findViewById(R.id.button_accept); this.accept.setOnClickListener(KeyChainActivity.this); this.cancel = (ImageView) findViewById(R.id.button_cancel); this.cancel.setOnClickListener(KeyChainActivity.this); this.delete = (TextView) findViewById(R.id.button_delete); this.delete.setOnClickListener(KeyChainActivity.this); } } }