mirror of
https://github.com/oxen-io/session-android.git
synced 2025-10-27 12:19:04 +00:00
Initial Project Import
This commit is contained in:
Moxie Marlinspike
216
src/org/thoughtcrime/securesms/ReceiveKeyActivity.java
Normal file
216
src/org/thoughtcrime/securesms/ReceiveKeyActivity.java
Normal file
@@ -0,0 +1,216 @@
|
||||
/**
|
||||
* Copyright (C) 2011 Whisper Systems
|
||||
*
|
||||
* 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.thoughtcrime.securesms;
|
||||
|
||||
import org.thoughtcrime.securesms.crypto.IdentityKey;
|
||||
import org.thoughtcrime.securesms.crypto.InvalidKeyException;
|
||||
import org.thoughtcrime.securesms.crypto.InvalidVersionException;
|
||||
import org.thoughtcrime.securesms.crypto.KeyExchangeMessage;
|
||||
import org.thoughtcrime.securesms.crypto.KeyExchangeProcessor;
|
||||
import org.thoughtcrime.securesms.crypto.MasterSecret;
|
||||
import org.thoughtcrime.securesms.database.DatabaseFactory;
|
||||
import org.thoughtcrime.securesms.recipients.Recipient;
|
||||
import org.thoughtcrime.securesms.util.MemoryCleaner;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Intent;
|
||||
import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.View;
|
||||
import android.widget.Button;
|
||||
import android.widget.TextView;
|
||||
|
||||
/**
|
||||
* Activity for displaying sent/received session keys.
|
||||
*
|
||||
* @author Moxie Marlinspike
|
||||
*/
|
||||
|
||||
public class ReceiveKeyActivity extends Activity {
|
||||
|
||||
private TextView descriptionText;
|
||||
private TextView signatureText;
|
||||
|
||||
private Button confirmButton;
|
||||
private Button cancelButton;
|
||||
private Button verifySessionButton;
|
||||
private Button verifyIdentityButton;
|
||||
|
||||
private Recipient recipient;
|
||||
private long threadId;
|
||||
|
||||
private MasterSecret masterSecret;
|
||||
private KeyExchangeMessage keyExchangeMessage;
|
||||
private KeyExchangeProcessor keyExchangeProcessor;
|
||||
|
||||
private boolean sent;
|
||||
|
||||
@Override
|
||||
protected void onCreate(Bundle state) {
|
||||
super.onCreate(state);
|
||||
setContentView(R.layout.receive_key_activity);
|
||||
|
||||
initializeResources();
|
||||
try {
|
||||
initializeKey();
|
||||
initializeText();
|
||||
} catch (InvalidKeyException ike) {
|
||||
Log.w("ReceiveKeyActivity", ike);
|
||||
initializeCorruptedKeyText();
|
||||
} catch (InvalidVersionException ive) {
|
||||
initializeBadVersionText();
|
||||
}
|
||||
initializeListeners();
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onDestroy() {
|
||||
MemoryCleaner.clean(masterSecret);
|
||||
super.onDestroy();
|
||||
}
|
||||
|
||||
private void initializeText() {
|
||||
if (keyExchangeProcessor.hasCompletedSession()) initializeTextForExistingSession();
|
||||
else initializeTextForNewSession();
|
||||
|
||||
initializeSignatureText();
|
||||
}
|
||||
|
||||
private void initializeCorruptedKeyText() {
|
||||
descriptionText.setText("ERROR:\n\nYou have received a corrupted public key. This key can not be processed, please re-initiate a secure session.");
|
||||
confirmButton.setVisibility(View.GONE);
|
||||
}
|
||||
|
||||
private void initializeBadVersionText() {
|
||||
descriptionText.setText("ERROR:\n\nYou have received a public key from an unsupported version of the protocol. This key can not be processed, please re-initiate a secure session.");
|
||||
confirmButton.setVisibility(View.GONE);
|
||||
}
|
||||
|
||||
private void initializeSignatureText() {
|
||||
if (!keyExchangeMessage.hasIdentityKey()) {
|
||||
signatureText.setText("This key exchange message does not include an identity signature.");
|
||||
return;
|
||||
}
|
||||
|
||||
IdentityKey identityKey = keyExchangeMessage.getIdentityKey();
|
||||
String identityName = DatabaseFactory.getIdentityDatabase(this).getNameForIdentity(masterSecret, identityKey);
|
||||
|
||||
if (identityName == null) {
|
||||
signatureText.setText("This key exchange message includes an identity signature, but you do not yet trust it.");
|
||||
} else {
|
||||
signatureText.setText("This key exchange message includes an identity signature which you trust for: " + identityName);
|
||||
}
|
||||
}
|
||||
|
||||
private void initializeTextForExistingSession() {
|
||||
if (keyExchangeProcessor.isRemoteKeyExchangeForExistingSession(keyExchangeMessage)) {
|
||||
descriptionText.setText("This is the key that you sent to start your current encrypted session with " + recipient.toShortString());
|
||||
this.confirmButton.setVisibility(View.GONE);
|
||||
this.verifySessionButton.setVisibility(View.VISIBLE);
|
||||
this.verifyIdentityButton.setVisibility(View.VISIBLE);
|
||||
} else if (keyExchangeProcessor.isLocalKeyExchangeForExistingSession(keyExchangeMessage)) {
|
||||
descriptionText.setText("This is the key that you received to start your current encrypted session with " + recipient.toShortString());
|
||||
this.confirmButton.setVisibility(View.GONE);
|
||||
this.verifySessionButton.setVisibility(View.VISIBLE);
|
||||
this.verifyIdentityButton.setVisibility(View.VISIBLE);
|
||||
} else {
|
||||
descriptionText.setText("You have received a Key Exchange message from " + recipient.toShortString() + "." +
|
||||
"\n\nWARNING: You already have an encrypted session with this contact." +
|
||||
" If you choose to accept this key exchange message, it will destroy your " +
|
||||
"existing session and you will have to re-authenticate. Would you like to complete " +
|
||||
"this key exchange?");
|
||||
this.confirmButton.setVisibility(View.VISIBLE);
|
||||
this.verifyIdentityButton.setVisibility(View.GONE);
|
||||
this.verifySessionButton.setVisibility(View.GONE);
|
||||
}
|
||||
}
|
||||
|
||||
private void initializeTextForNewSession() {
|
||||
if (keyExchangeProcessor.hasInitiatedSession() && !this.sent)
|
||||
descriptionText.setText("You have received a Key Exchange message from " + recipient.toShortString() +
|
||||
". You have previously initiated a session with this contact, " +
|
||||
"and by accepting this key you will complete the key exchange. " +
|
||||
"Would you like to complete this key exchange?");
|
||||
else if (keyExchangeProcessor.hasInitiatedSession() && this.sent)
|
||||
descriptionText.setText("You have initiated a Key Exchange message with " + recipient.toShortString() +
|
||||
" but have not yet received a reply.");
|
||||
else if (!keyExchangeProcessor.hasInitiatedSession() && !this.sent)
|
||||
descriptionText.setText("You have received a Key Exchange message from " + recipient.toShortString() +
|
||||
". You have no existing session with this contact, would you like " +
|
||||
"to complete this key exchange?");
|
||||
}
|
||||
|
||||
private void initializeKey() throws InvalidKeyException, InvalidVersionException {
|
||||
String messageBody = getIntent().getStringExtra("body");
|
||||
this.keyExchangeMessage = new KeyExchangeMessage(messageBody);
|
||||
}
|
||||
|
||||
private void initializeResources() {
|
||||
this.descriptionText = (TextView) findViewById(R.id.description_text);
|
||||
this.signatureText = (TextView) findViewById(R.id.signature_text);
|
||||
this.confirmButton = (Button) findViewById(R.id.ok_button);
|
||||
this.cancelButton = (Button) findViewById(R.id.cancel_button);
|
||||
this.verifyIdentityButton = (Button)findViewById(R.id.verify_identity_button);
|
||||
this.verifySessionButton = (Button)findViewById(R.id.verify_session_button);
|
||||
this.recipient = getIntent().getParcelableExtra("recipient");
|
||||
this.threadId = getIntent().getLongExtra("thread_id", -1);
|
||||
this.masterSecret = (MasterSecret)getIntent().getParcelableExtra("master_secret");
|
||||
this.sent = getIntent().getBooleanExtra("sent", false);
|
||||
this.keyExchangeProcessor = new KeyExchangeProcessor(this, masterSecret, recipient);
|
||||
}
|
||||
|
||||
private void initializeListeners() {
|
||||
this.confirmButton.setOnClickListener(new OkListener());
|
||||
this.cancelButton.setOnClickListener(new CancelListener());
|
||||
this.verifyIdentityButton.setOnClickListener(new VerifyIdentityListener());
|
||||
this.verifySessionButton.setOnClickListener(new VerifySessionListener());
|
||||
}
|
||||
|
||||
private class VerifyIdentityListener implements View.OnClickListener {
|
||||
public void onClick(View v) {
|
||||
Intent intent = new Intent(ReceiveKeyActivity.this, VerifyIdentityActivity.class);
|
||||
intent.putExtra("recipient", recipient);
|
||||
intent.putExtra("master_secret", masterSecret);
|
||||
startActivity(intent);
|
||||
finish();
|
||||
}
|
||||
}
|
||||
|
||||
private class VerifySessionListener implements View.OnClickListener {
|
||||
public void onClick(View v) {
|
||||
Intent intent = new Intent(ReceiveKeyActivity.this, VerifyKeysActivity.class);
|
||||
intent.putExtra("recipient", recipient);
|
||||
intent.putExtra("master_secret", masterSecret);
|
||||
startActivity(intent);
|
||||
finish();
|
||||
}
|
||||
}
|
||||
|
||||
private class OkListener implements View.OnClickListener {
|
||||
public void onClick(View v) {
|
||||
keyExchangeProcessor.processKeyExchangeMessage(keyExchangeMessage, threadId);
|
||||
finish();
|
||||
}
|
||||
}
|
||||
|
||||
private class CancelListener implements View.OnClickListener {
|
||||
public void onClick(View v) {
|
||||
ReceiveKeyActivity.this.finish();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user