diff options
Diffstat (limited to 'src/de/gultsch/chat/ui/ConversationFragment.java')
| -rw-r--r-- | src/de/gultsch/chat/ui/ConversationFragment.java | 193 |
1 files changed, 161 insertions, 32 deletions
diff --git a/src/de/gultsch/chat/ui/ConversationFragment.java b/src/de/gultsch/chat/ui/ConversationFragment.java index b3a6ad77..099f2253 100644 --- a/src/de/gultsch/chat/ui/ConversationFragment.java +++ b/src/de/gultsch/chat/ui/ConversationFragment.java @@ -3,17 +3,16 @@ package de.gultsch.chat.ui; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.HashMap; -import java.util.HashSet; import java.util.Hashtable; +import java.util.LinkedList; import java.util.List; import java.util.Set; -import javax.crypto.spec.PSource; - -import net.java.otr4j.OtrException; import net.java.otr4j.session.SessionStatus; import de.gultsch.chat.R; +import de.gultsch.chat.crypto.PgpEngine.OpenPgpException; +import de.gultsch.chat.crypto.PgpEngine.UserInputRequiredException; import de.gultsch.chat.entities.Contact; import de.gultsch.chat.entities.Conversation; import de.gultsch.chat.entities.Message; @@ -23,18 +22,20 @@ import de.gultsch.chat.utils.UIHelper; import android.app.AlertDialog; import android.app.Fragment; import android.content.DialogInterface; +import android.content.IntentSender; import android.content.SharedPreferences; +import android.content.IntentSender.SendIntentException; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Typeface; import android.net.Uri; +import android.os.AsyncTask; import android.os.Bundle; import android.preference.PreferenceManager; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; -import android.view.View.OnLayoutChangeListener; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.EditText; @@ -42,6 +43,7 @@ import android.widget.LinearLayout; import android.widget.ListView; import android.widget.ImageButton; import android.widget.ImageView; +import android.widget.ProgressBar; import android.widget.TextView; public class ConversationFragment extends Fragment { @@ -54,27 +56,45 @@ public class ConversationFragment extends Fragment { protected Contact contact; protected BitmapCache mBitmapCache = new BitmapCache(); + protected String queuedPqpMessage = null; + private EditText chatMsg; - + protected Bitmap selfBitmap; + + private IntentSender askForPassphraseIntent = null; private OnClickListener sendMsgListener = new OnClickListener() { @Override public void onClick(View v) { - ConversationActivity activity = (ConversationActivity) getActivity(); - final XmppConnectionService xmppService = activity.xmppConnectionService; if (chatMsg.getText().length() < 1) return; Message message = new Message(conversation, chatMsg.getText() .toString(), conversation.nextMessageEncryption); if (conversation.nextMessageEncryption == Message.ENCRYPTION_OTR) { sendOtrMessage(message); + } else if (conversation.nextMessageEncryption == Message.ENCRYPTION_PGP) { + sendPgpMessage(message); } else { sendPlainTextMessage(message); } } }; + protected OnClickListener clickToDecryptListener = new OnClickListener() { + + @Override + public void onClick(View v) { + Log.d("gultsch","clicked to decrypt"); + if (askForPassphraseIntent!=null) { + try { + getActivity().startIntentSenderForResult(askForPassphraseIntent, ConversationActivity.REQUEST_DECRYPT_PGP, null, 0, 0, 0); + } catch (SendIntentException e) { + Log.d("gultsch","couldnt fire intent"); + } + } + } + }; public void updateChatMsgHint() { if (conversation.getMode() == Conversation.MODE_MULTI) { @@ -89,6 +109,10 @@ public class ConversationFragment extends Fragment { break; case Message.ENCRYPTION_PGP: chatMsg.setHint("Send openPGP encryted messeage"); + break; + case Message.ENCRYPTION_DECRYPTED: + chatMsg.setHint("Send openPGP encryted messeage"); + break; default: break; } @@ -107,9 +131,9 @@ public class ConversationFragment extends Fragment { ImageButton sendButton = (ImageButton) view .findViewById(R.id.textSendButton); sendButton.setOnClickListener(this.sendMsgListener); - - messagesView = (ListView) view.findViewById(R.id.messages_view); + messagesView = (ListView) view.findViewById(R.id.messages_view); + messageListAdapter = new ArrayAdapter<Message>(this.getActivity() .getApplicationContext(), R.layout.message_sent, this.messageList) { @@ -155,23 +179,28 @@ public class ConversationFragment extends Fragment { viewHolder.imageView = (ImageView) view .findViewById(R.id.message_photo); if (item.getConversation().getMode() == Conversation.MODE_SINGLE) { - Uri uri = item.getConversation().getProfilePhotoUri(); + Uri uri = item.getConversation() + .getProfilePhotoUri(); if (uri != null) { viewHolder.imageView .setImageBitmap(mBitmapCache.get(item - .getConversation().getName(), uri)); + .getConversation().getName(), + uri)); } else { viewHolder.imageView .setImageBitmap(mBitmapCache.get(item - .getConversation().getName(), null)); + .getConversation().getName(), + null)); } } break; case ERROR: - view = (View) inflater.inflate(R.layout.message_error, null); + view = (View) inflater.inflate(R.layout.message_error, + null); viewHolder.imageView = (ImageView) view .findViewById(R.id.message_photo); - viewHolder.imageView.setImageBitmap(mBitmapCache.getError()); + viewHolder.imageView.setImageBitmap(mBitmapCache + .getError()); break; default: viewHolder = null; @@ -186,7 +215,7 @@ public class ConversationFragment extends Fragment { viewHolder = (ViewHolder) view.getTag(); } if (type == RECIEVED) { - if (item.getConversation().getMode() == Conversation.MODE_MULTI) { + if (item.getConversation().getMode() == Conversation.MODE_MULTI) { if (item.getCounterpart() != null) { viewHolder.imageView.setImageBitmap(mBitmapCache .get(item.getCounterpart(), null)); @@ -199,7 +228,15 @@ public class ConversationFragment extends Fragment { } String body = item.getBody(); if (body != null) { - viewHolder.messageBody.setText(body.trim()); + if (item.getEncryption() == Message.ENCRYPTION_PGP) { + viewHolder.messageBody.setText(getString(R.string.encrypted_message)); + viewHolder.messageBody.setTextColor(0xff33B5E5); + viewHolder.messageBody.setOnClickListener(clickToDecryptListener); + } else { + viewHolder.messageBody.setText(body.trim()); + viewHolder.messageBody.setTextColor(0xff000000); + viewHolder.messageBody.setOnClickListener(null); + } } if (item.getStatus() == Message.STATUS_UNSEND) { viewHolder.time.setTypeface(null, Typeface.ITALIC); @@ -236,7 +273,7 @@ public class ConversationFragment extends Fragment { if (showPhoneSelfContactPicture) { Uri selfiUri = PhoneHelper.getSefliUri(getActivity()); - if (selfiUri!=null) { + if (selfiUri != null) { try { self = BitmapFactory.decodeStream(getActivity() .getContentResolver().openInputStream(selfiUri)); @@ -245,7 +282,7 @@ public class ConversationFragment extends Fragment { } } } - if (self==null){ + if (self == null) { self = UIHelper.getUnknownContactPicture(conversation.getAccount() .getJid(), 200); } @@ -280,17 +317,38 @@ public class ConversationFragment extends Fragment { activity.updateConversationList(); } } + if (queuedPqpMessage != null) { + this.conversation.nextMessageEncryption = Message.ENCRYPTION_PGP; + Message message = new Message(conversation, queuedPqpMessage, + Message.ENCRYPTION_PGP); + sendPgpMessage(message); + } } public void updateMessages() { ConversationActivity activity = (ConversationActivity) getActivity(); + List<Message> encryptedMessages = new LinkedList<Message>(); + for(Message message : this.conversation.getMessages()) { + if (message.getEncryption() == Message.ENCRYPTION_PGP) { + encryptedMessages.add(message); + } + } + if (encryptedMessages.size() > 0) { + DecryptMessage task = new DecryptMessage(); + Message[] msgs = new Message[encryptedMessages.size()]; + task.execute(encryptedMessages.toArray(msgs)); + } this.messageList.clear(); this.messageList.addAll(this.conversation.getMessages()); this.messageListAdapter.notifyDataSetChanged(); if (messageList.size() >= 1) { int latestEncryption = this.conversation.getLatestMessage() .getEncryption(); - conversation.nextMessageEncryption = latestEncryption; + if (latestEncryption== Message.ENCRYPTION_DECRYPTED) { + conversation.nextMessageEncryption = Message.ENCRYPTION_PGP; + } else { + conversation.nextMessageEncryption = latestEncryption; + } makeFingerprintWarning(latestEncryption); } getActivity().invalidateOptionsMenu(); @@ -339,17 +397,47 @@ public class ConversationFragment extends Fragment { protected void sendPlainTextMessage(Message message) { ConversationActivity activity = (ConversationActivity) getActivity(); - activity.xmppConnectionService.sendMessage(conversation.getAccount(), - message, null); + activity.xmppConnectionService.sendMessage(message, null); chatMsg.setText(""); } + protected void sendPgpMessage(final Message message) { + ConversationActivity activity = (ConversationActivity) getActivity(); + final XmppConnectionService xmppService = activity.xmppConnectionService; + Contact contact = message.getConversation().getContact(); + if (contact.getPgpKeyId() != 0) { + xmppService.sendMessage(message, null); + chatMsg.setText(""); + } else { + AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); + builder.setTitle("No openPGP key found"); + builder.setIconAttribute(android.R.attr.alertDialogIcon); + builder.setMessage("There is no openPGP key assoziated with this contact"); + builder.setNegativeButton("Cancel", null); + builder.setPositiveButton("Send plain text", + new DialogInterface.OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + conversation.nextMessageEncryption = Message.ENCRYPTION_NONE; + message.setEncryption(Message.ENCRYPTION_NONE); + xmppService.sendMessage(message, null); + chatMsg.setText(""); + } + }); + builder.create().show(); + } + } + + public void resendPgpMessage(String msg) { + this.queuedPqpMessage = msg; + } + protected void sendOtrMessage(final Message message) { ConversationActivity activity = (ConversationActivity) getActivity(); final XmppConnectionService xmppService = activity.xmppConnectionService; if (conversation.hasValidOtrSession()) { - activity.xmppConnectionService.sendMessage( - conversation.getAccount(), message, null); + activity.xmppConnectionService.sendMessage(message, null); chatMsg.setText(""); } else { Hashtable<String, Integer> presences; @@ -372,17 +460,15 @@ public class ConversationFragment extends Fragment { int which) { conversation.nextMessageEncryption = Message.ENCRYPTION_NONE; message.setEncryption(Message.ENCRYPTION_NONE); - xmppService.sendMessage( - conversation.getAccount(), message, - null); + xmppService.sendMessage(message, null); chatMsg.setText(""); } }); builder.setNegativeButton("Cancel", null); builder.create().show(); } else if (presences.size() == 1) { - xmppService.sendMessage(conversation.getAccount(), message, - (String) presences.keySet().toArray()[0]); + xmppService.sendMessage(message, (String) presences.keySet() + .toArray()[0]); chatMsg.setText(""); } else { AlertDialog.Builder builder = new AlertDialog.Builder( @@ -396,8 +482,7 @@ public class ConversationFragment extends Fragment { @Override public void onClick(DialogInterface dialog, int which) { - xmppService.sendMessage( - conversation.getAccount(), message, + xmppService.sendMessage(message, presencesArray[which]); chatMsg.setText(""); } @@ -438,7 +523,7 @@ public class ConversationFragment extends Fragment { return bm; } } - + public Bitmap getError() { if (error == null) { error = UIHelper.getErrorPicture(200); @@ -446,4 +531,48 @@ public class ConversationFragment extends Fragment { return error; } } + + class DecryptMessage extends AsyncTask<Message, Void, Boolean> { + + @Override + protected Boolean doInBackground(Message... params) { + XmppActivity activity = (XmppActivity) getActivity(); + askForPassphraseIntent = null; + for(int i = 0; i < params.length; ++i) { + if (params[i].getEncryption() == Message.ENCRYPTION_PGP) { + String body = params[i].getBody(); + String decrypted = null; + try { + if (activity==null) { + return false; + } + Log.d("gultsch","calling to decrypt message id #"+params[i].getUuid()); + decrypted = activity.xmppConnectionService.getPgpEngine().decrypt(body); + } catch (UserInputRequiredException e) { + askForPassphraseIntent = e.getPendingIntent().getIntentSender(); + return false; + + } catch (OpenPgpException e) { + Log.d("gultsch","error decrypting pgp"); + } + if (decrypted!=null) { + params[i].setBody(decrypted); + params[i].setEncryption(Message.ENCRYPTION_DECRYPTED); + activity.xmppConnectionService.updateMessage(params[i]); + } + if (activity!=null) { + activity.runOnUiThread(new Runnable() { + + @Override + public void run() { + messageListAdapter.notifyDataSetChanged(); + } + }); + } + } + } + return true; + } + + } } |