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session-android
mirror of https://github.com/oxen-io/session-android
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Code Issues 1 Projects Releases Wiki Activity

UX for unencrypted fallback case

Browse Source
pull/1/head
Jake McGinty 10 years ago committed by Moxie Marlinspike
parent 40629a3bcf
commit 832763f695
16 changed files with 213 additions and 80 deletions
Show Stats Download Patch File Download Diff File

21
library/src/org/whispersystems/textsecure/storage/Session.java
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@ -35,6 +35,27 @@ public class Session {
return hasV1Session(context, recipient) || hasV2Session(context, masterSecret, recipient);
}
public static boolean hasEncryptCapableSession(Context context,
MasterSecret masterSecret,
CanonicalRecipient recipient)
{
RecipientDevice device = new RecipientDevice(recipient.getRecipientId(),
RecipientDevice.DEFAULT_DEVICE_ID);
return hasEncryptCapableSession(context, masterSecret, recipient, device);
}
public static boolean hasEncryptCapableSession(Context context,
MasterSecret masterSecret,
CanonicalRecipient recipient,
RecipientDevice device)
{
return
hasV1Session(context, recipient) ||
(hasV2Session(context, masterSecret, recipient) &&
!SessionRecordV2.needsRefresh(context, masterSecret, device));
}
public static boolean hasRemoteIdentityKey(Context context,
MasterSecret masterSecret,
CanonicalRecipient recipient)

3
res/values/strings.xml
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@ -64,7 +64,10 @@
<string name="ConversationItem_group_action_joined">%1$s have joined the group.</string>
<string name="ConversationItem_group_action_modify">%1$s has updated the group.</string>
<string name="ConversationItem_click_to_approve">Tap for SMS fallback</string>
<string name="ConversationItem_click_to_approve_unencrypted">Tap for insecure fallback</string>
<string name="ConversationItem_click_to_approve_dialog_title">Fallback to SMS?</string>
<string name="ConversationItem_click_to_approve_unencrypted_dialog_title">Fallback to unencrypted SMS?</string>
<string name="ConversationItem_click_to_approve_unencrypted_dialog_message">This message will <b>not</b> be encrypted because a secure session could not be established.\n\nSend insecure message?</string>
<!-- ConversationActivity -->
<string name="ConversationActivity_initiate_secure_session_question">Initiate Secure Session?</string>

4
src/org/thoughtcrime/securesms/ConversationActivity.java
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@ -675,7 +675,7 @@ public class ConversationActivity extends PassphraseRequiredSherlockFragmentActi
R.attr.conversation_send_secure_button};
TypedArray drawables = obtainStyledAttributes(attributes);
if ((getRecipients() != null && getRecipients().isGroupRecipient()) ||
if (isPushDestination() || (getRecipients() != null && getRecipients().isGroupRecipient()) ||
(isSingleConversation() && Session.hasSession(this, masterSecret, getRecipients().getPrimaryRecipient())))
{
sendButton.setImageDrawable(drawables.getDrawable(1));
@ -1074,7 +1074,7 @@ public class ConversationActivity extends PassphraseRequiredSherlockFragmentActi
private void sendMessage(boolean forcePlaintext) {
try {
Recipients recipients = getRecipients();
Recipients recipients = getRecipients();
if (recipients == null)
throw new RecipientFormattingException("Badly formatted");

48
src/org/thoughtcrime/securesms/ConversationItem.java
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@ -25,8 +25,6 @@ import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.media.MediaScannerConnection;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
@ -59,8 +57,6 @@ import org.thoughtcrime.securesms.util.DateUtils;
import org.thoughtcrime.securesms.util.Emoji;
import org.thoughtcrime.securesms.util.Dialogs;
import org.whispersystems.textsecure.crypto.MasterSecret;
import org.whispersystems.textsecure.directory.Directory;
import org.whispersystems.textsecure.directory.NotInDirectoryException;
import org.whispersystems.textsecure.storage.Session;
import org.whispersystems.textsecure.util.FutureTaskListener;
import org.whispersystems.textsecure.util.ListenableFutureTask;
@ -230,7 +226,7 @@ public class ConversationItem extends LinearLayout {
if (messageRecord.isPending() && pushDestination && !messageRecord.isForcedSms()) {
background = SENT_PUSH_PENDING;
triangleBackground = SENT_PUSH_PENDING_TRIANGLE;
} else if (messageRecord.isPending() || messageRecord.isPendingFallbackApproval()) {
} else if (messageRecord.isPending() || messageRecord.isPendingSmsFallback()) {
background = SENT_SMS_PENDING;
triangleBackground = SENT_SMS_PENDING_TRIANGLE;
} else if (messageRecord.isPush()) {
@ -265,8 +261,8 @@ public class ConversationItem extends LinearLayout {
private void setStatusIcons(MessageRecord messageRecord) {
failedImage.setVisibility(messageRecord.isFailed() ? View.VISIBLE : View.GONE);
if (messageRecord.isOutgoing()) {
pendingIndicator.setVisibility(messageRecord.isPendingFallbackApproval() ? View.VISIBLE : View.GONE);
indicatorText.setVisibility(messageRecord.isPendingFallbackApproval() ? View.VISIBLE : View.GONE);
pendingIndicator.setVisibility(messageRecord.isPendingSmsFallback() ? View.VISIBLE : View.GONE);
indicatorText.setVisibility(messageRecord.isPendingSmsFallback() ? View.VISIBLE : View.GONE);
}
secureImage.setVisibility(messageRecord.isSecure() ? View.VISIBLE : View.GONE);
keyImage.setVisibility(messageRecord.isKeyExchange() ? View.VISIBLE : View.GONE);
@ -278,9 +274,10 @@ public class ConversationItem extends LinearLayout {
if (messageRecord.isFailed()) {
dateText.setText(R.string.ConversationItem_error_sending_message);
} else if (messageRecord.isPendingFallbackApproval() && indicatorText != null) {
} else if (messageRecord.isPendingSmsFallback() && indicatorText != null) {
dateText.setText("");
indicatorText.setText(R.string.ConversationItem_click_to_approve);
if (messageRecord.isPendingSecureSmsFallback()) indicatorText.setText(R.string.ConversationItem_click_to_approve);
else indicatorText.setText(R.string.ConversationItem_click_to_approve_unencrypted);
} else if (messageRecord.isPending()) {
dateText.setText(" ··· ");
} else {
@ -294,14 +291,15 @@ public class ConversationItem extends LinearLayout {
private void setMinimumWidth() {
if (indicatorText != null && indicatorText.getVisibility() == View.VISIBLE && indicatorText.getText() != null) {
conversationParent.setMinimumWidth(indicatorText.getText().length() * 20);
final float density = getResources().getDisplayMetrics().density;
conversationParent.setMinimumWidth(indicatorText.getText().length() * (int)(6.5 * density));
} else {
conversationParent.setMinimumWidth(0);
}
}
private void setEvents(MessageRecord messageRecord) {
setClickable(messageRecord.isPendingFallbackApproval() ||
setClickable(messageRecord.isPendingSmsFallback() ||
(messageRecord.isKeyExchange() &&
!messageRecord.isCorruptedKeyExchange() &&
!messageRecord.isOutgoing()));
@ -640,23 +638,40 @@ public class ConversationItem extends LinearLayout {
!messageRecord.isProcessedKeyExchange() &&
!messageRecord.isStaleKeyExchange())
handleKeyExchangeClicked();
else if (messageRecord.isPendingFallbackApproval())
else if (messageRecord.isPendingSmsFallback())
handleMessageApproval();
}
}
private void handleMessageApproval() {
final int title;
final int message;
if (messageRecord.isPendingSecureSmsFallback()) {
title = R.string.ConversationItem_click_to_approve_dialog_title;
message = -1;
} else {
title = R.string.ConversationItem_click_to_approve_unencrypted_dialog_title;
message = R.string.ConversationItem_click_to_approve_unencrypted_dialog_message;
}
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.ConversationItem_click_to_approve_dialog_title);
builder.setTitle(title);
if (message > -1) builder.setMessage(message);
builder.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
if (messageRecord.isMms()) {
MmsDatabase database = DatabaseFactory.getMmsDatabase(context);
if (messageRecord.isPendingInsecureSmsFallback()) {
database.markAsInsecure(messageRecord.getId());
}
database.markAsOutbox(messageRecord.getId());
database.markAsForcedSms(messageRecord.getId());
} else {
SmsDatabase database = DatabaseFactory.getSmsDatabase(context);
if (messageRecord.isPendingInsecureSmsFallback()) {
database.markAsInsecure(messageRecord.getId());
}
database.markAsOutbox(messageRecord.getId());
database.markAsForcedSms(messageRecord.getId());
}
@ -669,8 +684,11 @@ public class ConversationItem extends LinearLayout {
builder.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
if (messageRecord.isMms()) DatabaseFactory.getMmsDatabase(context).markAsSentFailed(messageRecord.getId());
else DatabaseFactory.getSmsDatabase(context).markAsSentFailed(messageRecord.getId());
if (messageRecord.isMms()) {
DatabaseFactory.getMmsDatabase(context).markAsSentFailed(messageRecord.getId());
} else {
DatabaseFactory.getSmsDatabase(context).markAsSentFailed(messageRecord.getId());
}
}
});
builder.show();

13
src/org/thoughtcrime/securesms/database/MmsDatabase.java
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@ -285,8 +285,13 @@ public class MmsDatabase extends Database implements MmsSmsColumns {
updateMailboxBitmask(id, 0, Types.MESSAGE_FORCE_SMS_BIT);
}
public void markAsPendingApproval(long messageId) {
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_PENDING_FALLBACK_APPROVAL);
public void markAsPendingSecureSmsFallback(long messageId) {
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_PENDING_SECURE_SMS_FALLBACK);
notifyConversationListeners(getThreadIdForMessage(messageId));
}
public void markAsPendingInsecureSmsFallback(long messageId) {
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_PENDING_INSECURE_SMS_FALLBACK);
notifyConversationListeners(getThreadIdForMessage(messageId));
}
@ -338,6 +343,10 @@ public class MmsDatabase extends Database implements MmsSmsColumns {
updateMailboxBitmask(messageId, 0, Types.SECURE_MESSAGE_BIT);
}
public void markAsInsecure(long messageId) {
updateMailboxBitmask(messageId, Types.SECURE_MESSAGE_BIT, 0);
}
public void markAsPush(long messageId) {
updateMailboxBitmask(messageId, 0, Types.PUSH_MESSAGE_BIT);
}

31
src/org/thoughtcrime/securesms/database/MmsSmsColumns.java
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@ -15,18 +15,20 @@ public interface MmsSmsColumns {
protected static final long TOTAL_MASK = 0xFFFFFFFF;
// Base Types
protected static final long BASE_TYPE_MASK = 0x1F;
protected static final long BASE_TYPE_MASK = 0x1F;
protected static final long BASE_INBOX_TYPE = 20;
protected static final long BASE_OUTBOX_TYPE = 21;
protected static final long BASE_SENDING_TYPE = 22;
protected static final long BASE_SENT_TYPE = 23;
protected static final long BASE_SENT_FAILED_TYPE = 24;
protected static final long BASE_PENDING_FALLBACK_APPROVAL = 25;
protected static final long BASE_INBOX_TYPE = 20;
protected static final long BASE_OUTBOX_TYPE = 21;
protected static final long BASE_SENDING_TYPE = 22;
protected static final long BASE_SENT_TYPE = 23;
protected static final long BASE_SENT_FAILED_TYPE = 24;
protected static final long BASE_PENDING_SECURE_SMS_FALLBACK = 25;
protected static final long BASE_PENDING_INSECURE_SMS_FALLBACK = 26;
protected static final long[] OUTGOING_MESSAGE_TYPES = {BASE_OUTBOX_TYPE, BASE_SENT_TYPE,
BASE_SENDING_TYPE, BASE_SENT_FAILED_TYPE,
BASE_PENDING_FALLBACK_APPROVAL};
BASE_PENDING_SECURE_SMS_FALLBACK,
BASE_PENDING_INSECURE_SMS_FALLBACK};
// Message attributes
protected static final long MESSAGE_ATTRIBUTE_MASK = 0xE0;
@ -82,8 +84,17 @@ public interface MmsSmsColumns {
(type & BASE_TYPE_MASK) == BASE_SENDING_TYPE;
}
public static boolean isPendingApprovalType(long type) {
return (type & BASE_TYPE_MASK) == BASE_PENDING_FALLBACK_APPROVAL;
public static boolean isPendingSmsFallbackType(long type) {
return (type & BASE_TYPE_MASK) == BASE_PENDING_INSECURE_SMS_FALLBACK ||
(type & BASE_TYPE_MASK) == BASE_PENDING_SECURE_SMS_FALLBACK;
}
public static boolean isPendingSecureSmsFallbackType(long type) {
return (type & BASE_TYPE_MASK) == BASE_PENDING_SECURE_SMS_FALLBACK;
}
public static boolean isPendingInsecureSmsFallbackType(long type) {
return (type & BASE_TYPE_MASK) == BASE_PENDING_INSECURE_SMS_FALLBACK;
}
public static boolean isInboxType(long type) {

12
src/org/thoughtcrime/securesms/database/SmsDatabase.java
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@ -174,6 +174,10 @@ public class SmsDatabase extends Database implements MmsSmsColumns {
updateTypeBitmask(id, 0, Types.SECURE_MESSAGE_BIT);
}
public void markAsInsecure(long id) {
updateTypeBitmask(id, Types.SECURE_MESSAGE_BIT, 0);
}
public void markAsPush(long id) {
updateTypeBitmask(id, 0, Types.PUSH_MESSAGE_BIT);
}
@ -202,8 +206,12 @@ public class SmsDatabase extends Database implements MmsSmsColumns {
updateTypeBitmask(id, Types.BASE_TYPE_MASK, Types.BASE_OUTBOX_TYPE);
}
public void markAsPendingApproval(long id) {
updateTypeBitmask(id, Types.BASE_TYPE_MASK, Types.BASE_PENDING_FALLBACK_APPROVAL);
public void markAsPendingSecureSmsFallback(long id) {
updateTypeBitmask(id, Types.BASE_TYPE_MASK, Types.BASE_PENDING_SECURE_SMS_FALLBACK);
}
public void markAsPendingInsecureSmsFallback(long id) {
updateTypeBitmask(id, Types.BASE_TYPE_MASK, Types.BASE_PENDING_INSECURE_SMS_FALLBACK);
}
public void markAsSending(long id) {

13
src/org/thoughtcrime/securesms/database/model/MessageRecord.java
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@ -28,7 +28,6 @@ import org.thoughtcrime.securesms.database.SmsDatabase;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.Recipients;
import org.thoughtcrime.securesms.util.GroupUtil;
import org.whispersystems.textsecure.util.Util;
/**
* The base class for message record models that are displayed in
@ -125,8 +124,16 @@ public abstract class MessageRecord extends DisplayRecord {
return SmsDatabase.Types.isProcessedKeyExchange(type);
}
public boolean isPendingFallbackApproval() {
return SmsDatabase.Types.isPendingApprovalType(type);
public boolean isPendingSmsFallback() {
return SmsDatabase.Types.isPendingSmsFallbackType(type);
}
public boolean isPendingSecureSmsFallback() {
return SmsDatabase.Types.isPendingSecureSmsFallbackType(type);
}
public boolean isPendingInsecureSmsFallback() {
return SmsDatabase.Types.isPendingInsecureSmsFallbackType(type);
}
public boolean isBundleKeyExchange() {

24
src/org/thoughtcrime/securesms/service/MmsSender.java
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@ -31,11 +31,12 @@ import org.thoughtcrime.securesms.notifications.MessageNotifier;
import org.thoughtcrime.securesms.recipients.Recipients;
import org.thoughtcrime.securesms.service.SendReceiveService.ToastHandler;
import org.thoughtcrime.securesms.sms.IncomingIdentityUpdateMessage;
import org.thoughtcrime.securesms.transport.InsecureFallbackApprovalException;
import org.thoughtcrime.securesms.transport.RetryLaterException;
import org.thoughtcrime.securesms.transport.SecureFallbackApprovalException;
import org.thoughtcrime.securesms.transport.UndeliverableMessageException;
import org.thoughtcrime.securesms.transport.UniversalTransport;
import org.thoughtcrime.securesms.transport.UntrustedIdentityException;
import org.thoughtcrime.securesms.transport.UserInterventionRequiredException;
import org.whispersystems.textsecure.crypto.MasterSecret;
import ws.com.google.android.mms.MmsException;
@ -84,16 +85,18 @@ public class MmsSender {
result.getResponseStatus());
systemStateListener.unregisterForConnectivityChange();
} catch (UserInterventionRequiredException uire) {
Log.w("MmsSender", uire);
database.markAsPendingApproval(message.getDatabaseMessageId());
Recipients recipients = threads.getRecipientsForThreadId(threadId);
MessageNotifier.notifyMessageDeliveryFailed(context, recipients, threadId);
} catch (InsecureFallbackApprovalException ifae) {
Log.w("MmsSender", ifae);
database.markAsPendingInsecureSmsFallback(message.getDatabaseMessageId());
notifyMessageDeliveryFailed(context, threads, threadId);
} catch (SecureFallbackApprovalException sfae) {
Log.w("MmsSender", sfae);
database.markAsPendingSecureSmsFallback(message.getDatabaseMessageId());
notifyMessageDeliveryFailed(context, threads, threadId);
} catch (UndeliverableMessageException e) {
Log.w("MmsSender", e);
database.markAsSentFailed(message.getDatabaseMessageId());
Recipients recipients = threads.getRecipientsForThreadId(threadId);
MessageNotifier.notifyMessageDeliveryFailed(context, recipients, threadId);
notifyMessageDeliveryFailed(context, threads, threadId);
} catch (UntrustedIdentityException uie) {
IncomingIdentityUpdateMessage identityUpdateMessage = IncomingIdentityUpdateMessage.createFor(message.getTo()[0].getString(), uie.getIdentityKey());
DatabaseFactory.getEncryptingSmsDatabase(context).insertMessageInbox(masterSecret, identityUpdateMessage);
@ -117,6 +120,11 @@ public class MmsSender {
}
}
private static void notifyMessageDeliveryFailed(Context context, ThreadDatabase threads, long threadId) {
Recipients recipients = threads.getRecipientsForThreadId(threadId);
MessageNotifier.notifyMessageDeliveryFailed(context, recipients, threadId);
}
private void scheduleQuickRetryAlarm() {
((AlarmManager)context.getSystemService(Context.ALARM_SERVICE))
.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + (30 * 1000),

14
src/org/thoughtcrime/securesms/service/SmsSender.java
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@ -36,12 +36,12 @@ import org.thoughtcrime.securesms.notifications.MessageNotifier;
import org.thoughtcrime.securesms.recipients.Recipients;
import org.thoughtcrime.securesms.service.SendReceiveService.ToastHandler;
import org.thoughtcrime.securesms.sms.IncomingIdentityUpdateMessage;
import org.thoughtcrime.securesms.transport.InsecureFallbackApprovalException;
import org.thoughtcrime.securesms.transport.RetryLaterException;
import org.thoughtcrime.securesms.transport.SecureFallbackApprovalException;
import org.thoughtcrime.securesms.transport.UndeliverableMessageException;
import org.thoughtcrime.securesms.transport.UniversalTransport;
import org.thoughtcrime.securesms.transport.UntrustedIdentityException;
import org.thoughtcrime.securesms.transport.UserInterventionRequiredException;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.whispersystems.textsecure.crypto.MasterSecret;
import org.whispersystems.textsecure.storage.Session;
@ -86,9 +86,13 @@ public class SmsSender {
database.markAsSending(record.getId());
transport.deliver(record);
} catch (UserInterventionRequiredException uire) {
Log.w("SmsSender", uire);
DatabaseFactory.getSmsDatabase(context).markAsPendingApproval(record.getId());
} catch (InsecureFallbackApprovalException ifae) {
Log.w("SmsSender", ifae);
DatabaseFactory.getSmsDatabase(context).markAsPendingInsecureSmsFallback(record.getId());
MessageNotifier.notifyMessageDeliveryFailed(context, record.getRecipients(), record.getThreadId());
} catch (SecureFallbackApprovalException sfae) {
Log.w("SmsSender", sfae);
DatabaseFactory.getSmsDatabase(context).markAsPendingSecureSmsFallback(record.getId());
MessageNotifier.notifyMessageDeliveryFailed(context, record.getRecipients(), record.getThreadId());
} catch (UntrustedIdentityException e) {
Log.w("SmsSender", e);

7
src/org/thoughtcrime/securesms/transport/InsecureFallbackApprovalException.java
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@ -0,0 +1,7 @@
package org.thoughtcrime.securesms.transport;
public class InsecureFallbackApprovalException extends Exception {
public InsecureFallbackApprovalException(String detailMessage) {
super(detailMessage);
}
}

16
src/org/thoughtcrime/securesms/transport/MmsTransport.java
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@ -36,6 +36,7 @@ import org.whispersystems.textsecure.crypto.MasterSecret;
import org.whispersystems.textsecure.crypto.SessionCipher;
import org.whispersystems.textsecure.crypto.protocol.CiphertextMessage;
import org.whispersystems.textsecure.storage.RecipientDevice;
import org.whispersystems.textsecure.storage.Session;
import org.whispersystems.textsecure.util.Hex;
import java.io.IOException;
@ -62,7 +63,9 @@ public class MmsTransport {
this.radio = MmsRadio.getInstance(context);
}
public MmsSendResult deliver(SendReq message) throws UndeliverableMessageException {
public MmsSendResult deliver(SendReq message) throws UndeliverableMessageException,
InsecureFallbackApprovalException
{
if (TextSecurePreferences.isPushRegistered(context) &&
!TextSecurePreferences.isSmsFallbackEnabled(context))
{
@ -109,7 +112,7 @@ public class MmsTransport {
}
private MmsSendResult sendMms(SendReq message, boolean usingMmsRadio, boolean useProxy)
throws IOException, UndeliverableMessageException
throws IOException, UndeliverableMessageException, InsecureFallbackApprovalException
{
String number = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE)).getLine1Number();
boolean upgradedSecure = false;
@ -141,7 +144,7 @@ public class MmsTransport {
}
}
private SendReq getEncryptedMessage(SendReq pdu) {
private SendReq getEncryptedMessage(SendReq pdu) throws InsecureFallbackApprovalException {
EncodedStringValue[] encodedRecipient = pdu.getTo();
String recipient = encodedRecipient[0].getString();
byte[] pduBytes = new PduComposer(context, pdu).make();
@ -162,11 +165,16 @@ public class MmsTransport {
return encryptedPdu;
}
private byte[] getEncryptedPdu(MasterSecret masterSecret, String recipientString, byte[] pduBytes) {
private byte[] getEncryptedPdu(MasterSecret masterSecret, String recipientString, byte[] pduBytes) throws InsecureFallbackApprovalException {
try {
TextTransport transportDetails = new TextTransport();
Recipient recipient = RecipientFactory.getRecipientsFromString(context, recipientString, false).getPrimaryRecipient();
RecipientDevice recipientDevice = new RecipientDevice(recipient.getRecipientId(), RecipientDevice.DEFAULT_DEVICE_ID);
if (!Session.hasEncryptCapableSession(context, masterSecret, recipient, recipientDevice)) {
throw new InsecureFallbackApprovalException("No session exists for this secure message.");
}
SessionCipher sessionCipher = SessionCipher.createFor(context, masterSecret, recipientDevice);
CiphertextMessage ciphertextMessage = sessionCipher.encrypt(pduBytes);

7
src/org/thoughtcrime/securesms/transport/SecureFallbackApprovalException.java
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@ -0,0 +1,7 @@
package org.thoughtcrime.securesms.transport;
public class SecureFallbackApprovalException extends Exception {
public SecureFallbackApprovalException(String detailMessage) {
super(detailMessage);
}
}

18
src/org/thoughtcrime/securesms/transport/SmsTransport.java
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@ -33,6 +33,7 @@ import org.whispersystems.textsecure.crypto.MasterSecret;
import org.whispersystems.textsecure.crypto.SessionCipher;
import org.whispersystems.textsecure.crypto.protocol.CiphertextMessage;
import org.whispersystems.textsecure.storage.RecipientDevice;
import org.whispersystems.textsecure.storage.Session;
import java.util.ArrayList;
@ -46,7 +47,9 @@ public class SmsTransport extends BaseTransport {
this.masterSecret = masterSecret;
}
public void deliver(SmsMessageRecord message) throws UndeliverableMessageException {
public void deliver(SmsMessageRecord message) throws UndeliverableMessageException,
InsecureFallbackApprovalException
{
if (!TextSecurePreferences.isSmsNonDataOutEnabled(context) && !TextSecurePreferences.isSmsFallbackEnabled(context)) {
throw new UndeliverableMessageException("SMS Transport is not enabled!");
}
@ -58,7 +61,9 @@ public class SmsTransport extends BaseTransport {
}
}
private void deliverSecureMessage(SmsMessageRecord message) throws UndeliverableMessageException {
private void deliverSecureMessage(SmsMessageRecord message) throws UndeliverableMessageException,
InsecureFallbackApprovalException
{
MultipartSmsMessageHandler multipartMessageHandler = new MultipartSmsMessageHandler();
OutgoingTextMessage transportMessage = OutgoingTextMessage.from(message);
@ -161,9 +166,16 @@ public class SmsTransport extends BaseTransport {
private OutgoingTextMessage getAsymmetricEncrypt(MasterSecret masterSecret,
OutgoingTextMessage message)
throws InsecureFallbackApprovalException
{
Recipient recipient = message.getRecipients().getPrimaryRecipient();
RecipientDevice recipientDevice = new RecipientDevice(recipient.getRecipientId(), RecipientDevice.DEFAULT_DEVICE_ID);
RecipientDevice recipientDevice = new RecipientDevice(recipient.getRecipientId(),
RecipientDevice.DEFAULT_DEVICE_ID);
if (!Session.hasEncryptCapableSession(context, masterSecret, recipient, recipientDevice)) {
throw new InsecureFallbackApprovalException("No session exists for this secure message.");
}
String body = message.getMessageBody();
SmsTransportDetails transportDetails = new SmsTransportDetails();
SessionCipher sessionCipher = SessionCipher.createFor(context, masterSecret, recipientDevice);

55
src/org/thoughtcrime/securesms/transport/UniversalTransport.java
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@ -24,6 +24,7 @@ import org.thoughtcrime.securesms.database.model.SmsMessageRecord;
import org.thoughtcrime.securesms.mms.MmsSendResult;
import org.thoughtcrime.securesms.push.PushServiceSocketFactory;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.RecipientFactory;
import org.thoughtcrime.securesms.recipients.RecipientFormattingException;
import org.thoughtcrime.securesms.sms.IncomingGroupMessage;
import org.thoughtcrime.securesms.sms.IncomingIdentityUpdateMessage;
@ -36,6 +37,7 @@ import org.whispersystems.textsecure.directory.NotInDirectoryException;
import org.whispersystems.textsecure.push.ContactTokenDetails;
import org.whispersystems.textsecure.push.PushServiceSocket;
import org.whispersystems.textsecure.push.UnregisteredUserException;
import org.whispersystems.textsecure.storage.Session;
import org.whispersystems.textsecure.util.DirectoryUtil;
import org.whispersystems.textsecure.util.InvalidNumberException;
@ -60,7 +62,8 @@ public class UniversalTransport {
}
public void deliver(SmsMessageRecord message)
throws UndeliverableMessageException, UntrustedIdentityException, RetryLaterException, UserInterventionRequiredException
throws UndeliverableMessageException, UntrustedIdentityException, RetryLaterException,
SecureFallbackApprovalException, InsecureFallbackApprovalException
{
if (!TextSecurePreferences.isPushRegistered(context)) {
smsTransport.deliver(message);
@ -99,7 +102,8 @@ public class UniversalTransport {
}
public MmsSendResult deliver(SendReq mediaMessage, long threadId)
throws UndeliverableMessageException, RetryLaterException, UntrustedIdentityException, UserInterventionRequiredException
throws UndeliverableMessageException, RetryLaterException, UntrustedIdentityException,
SecureFallbackApprovalException, InsecureFallbackApprovalException
{
if (Util.isEmpty(mediaMessage.getTo())) {
return mmsTransport.deliver(mediaMessage);
@ -155,28 +159,42 @@ public class UniversalTransport {
}
private MmsSendResult fallbackOrAskApproval(SendReq mediaMessage, String destination)
throws UserInterventionRequiredException, UndeliverableMessageException
throws SecureFallbackApprovalException, UndeliverableMessageException, InsecureFallbackApprovalException
{
boolean isSmsFallbackApprovalRequired = isSmsFallbackApprovalRequired(destination);
if (!isSmsFallbackApprovalRequired) {
Log.i("UniversalTransport", "Falling back to MMS without user intervention");
return mmsTransport.deliver(mediaMessage);
} else {
Log.i("UniversalTransport", "Marking message as pending user approval per their settings");
throw new UserInterventionRequiredException("Pending user approval for fallback to SMS");
try {
Recipient recipient = RecipientFactory.getRecipientsFromString(context, destination, false).getPrimaryRecipient();
boolean isSmsFallbackApprovalRequired = isSmsFallbackApprovalRequired(destination);
if (!isSmsFallbackApprovalRequired) {
Log.w("UniversalTransport", "Falling back to MMS");
return mmsTransport.deliver(mediaMessage);
} else if (!Session.hasEncryptCapableSession(context, masterSecret, recipient)) {
Log.w("UniversalTransport", "Marking message as pending insecure SMS fallback");
throw new InsecureFallbackApprovalException("Pending user approval for fallback to insecure SMS");
} else {
Log.w("UniversalTransport", "Marking message as pending secure SMS fallback");
throw new SecureFallbackApprovalException("Pending user approval for fallback secure to SMS");
}
} catch (RecipientFormattingException rfe) {
throw new UndeliverableMessageException(rfe);
}
}
private void fallbackOrAskApproval(SmsMessageRecord smsMessage, String destination)
throws UserInterventionRequiredException, UndeliverableMessageException
throws SecureFallbackApprovalException, UndeliverableMessageException, InsecureFallbackApprovalException
{
boolean isSmsFallbackApprovalRequired = isSmsFallbackApprovalRequired(destination);
Recipient recipient = smsMessage.getIndividualRecipient();
boolean isSmsFallbackApprovalRequired = isSmsFallbackApprovalRequired(destination);
if (!isSmsFallbackApprovalRequired) {
Log.i("UniversalTransport", "Falling back to SMS without user intervention");
Log.w("UniversalTransport", "Falling back to SMS");
smsTransport.deliver(smsMessage);
} else if (!Session.hasEncryptCapableSession(context, masterSecret, recipient)) {
Log.w("UniversalTransport", "Marking message as pending insecure fallback.");
throw new InsecureFallbackApprovalException("Pending user approval for fallback to insecure SMS");
} else {
Log.i("UniversalTransport", "Marking message as pending user approval per their settings");
throw new UserInterventionRequiredException("Pending user approval for fallback to SMS");
Log.w("UniversalTransport", "Marking message as pending secure fallback.");
throw new SecureFallbackApprovalException("Pending user approval for fallback to secure SMS");
}
}
@ -218,7 +236,6 @@ public class UniversalTransport {
}
}
public boolean isMultipleRecipients(SendReq mediaMessage) {
int recipientCount = 0;
@ -267,9 +284,9 @@ public class UniversalTransport {
return directory.isActiveNumber(destination);
} catch (NotInDirectoryException e) {
try {
PushServiceSocket socket = PushServiceSocketFactory.create(context);
String contactToken = DirectoryUtil.getDirectoryServerToken(destination);
ContactTokenDetails registeredUser = socket.getContactTokenDetails(contactToken);
PushServiceSocket socket = PushServiceSocketFactory.create(context);
String contactToken = DirectoryUtil.getDirectoryServerToken(destination);
ContactTokenDetails registeredUser = socket.getContactTokenDetails(contactToken);
if (registeredUser == null) {
registeredUser = new ContactTokenDetails();

7
src/org/thoughtcrime/securesms/transport/UserInterventionRequiredException.java
Unescape Escape View File

@ -1,7 +0,0 @@
package org.thoughtcrime.securesms.transport;
public class UserInterventionRequiredException extends Exception {
public UserInterventionRequiredException(String detailMessage) {
super(detailMessage);
}
}
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