omemo changes: use 12 byte IV, no longer accept auth tag appended to payload

This commit is contained in:
Daniel Gultsch 2020-01-18 12:08:03 +01:00
parent b56f6fbf4c
commit e38a9cd729
10 changed files with 1807 additions and 1800 deletions

View file

@ -100,7 +100,7 @@ public final class Config {
public static final boolean REMOVE_BROKEN_DEVICES = false; public static final boolean REMOVE_BROKEN_DEVICES = false;
public static final boolean OMEMO_PADDING = false; public static final boolean OMEMO_PADDING = false;
public static final boolean PUT_AUTH_TAG_INTO_KEY = true; public static final boolean PUT_AUTH_TAG_INTO_KEY = true;
public static final boolean TWELVE_BYTE_IV = false; public static final boolean TWELVE_BYTE_IV = true;
public static final boolean USE_BOOKMARKS2 = false; public static final boolean USE_BOOKMARKS2 = false;
@ -125,7 +125,7 @@ public final class Config {
public static final long MAM_MAX_CATCHUP = MILLISECONDS_IN_DAY * 5; public static final long MAM_MAX_CATCHUP = MILLISECONDS_IN_DAY * 5;
public static final int MAM_MAX_MESSAGES = 750; public static final int MAM_MAX_MESSAGES = 750;
public static final ChatState DEFAULT_CHATSTATE = ChatState.ACTIVE; public static final ChatState DEFAULT_CHAT_STATE = ChatState.ACTIVE;
public static final int TYPING_TIMEOUT = 8; public static final int TYPING_TIMEOUT = 8;
public static final int EXPIRY_INTERVAL = 30 * 60 * 1000; // 30 minutes public static final int EXPIRY_INTERVAL = 30 * 60 * 1000; // 30 minutes

View file

@ -0,0 +1,8 @@
package eu.siacs.conversations.crypto.axolotl;
public class OutdatedSenderException extends CryptoFailedException {
public OutdatedSenderException(final String msg) {
super(msg);
}
}

View file

@ -27,295 +27,293 @@ import eu.siacs.conversations.xml.Element;
import rocks.xmpp.addr.Jid; import rocks.xmpp.addr.Jid;
public class XmppAxolotlMessage { public class XmppAxolotlMessage {
public static final String CONTAINERTAG = "encrypted"; public static final String CONTAINERTAG = "encrypted";
private static final String HEADER = "header"; private static final String HEADER = "header";
private static final String SOURCEID = "sid"; private static final String SOURCEID = "sid";
private static final String KEYTAG = "key"; private static final String KEYTAG = "key";
private static final String REMOTEID = "rid"; private static final String REMOTEID = "rid";
private static final String IVTAG = "iv"; private static final String IVTAG = "iv";
private static final String PAYLOAD = "payload"; private static final String PAYLOAD = "payload";
private static final String KEYTYPE = "AES"; private static final String KEYTYPE = "AES";
private static final String CIPHERMODE = "AES/GCM/NoPadding"; private static final String CIPHERMODE = "AES/GCM/NoPadding";
private static final String PROVIDER = "BC"; private static final String PROVIDER = "BC";
private final List<XmppAxolotlSession.AxolotlKey> keys;
private final Jid from;
private final int sourceDeviceId;
private byte[] innerKey;
private byte[] ciphertext = null;
private byte[] authtagPlusInnerKey = null;
private byte[] iv = null;
private byte[] innerKey; private XmppAxolotlMessage(final Element axolotlMessage, final Jid from) throws IllegalArgumentException {
private byte[] ciphertext = null; this.from = from;
private byte[] authtagPlusInnerKey = null; Element header = axolotlMessage.findChild(HEADER);
private byte[] iv = null; try {
private final List<XmppAxolotlSession.AxolotlKey> keys; this.sourceDeviceId = Integer.parseInt(header.getAttribute(SOURCEID));
private final Jid from; } catch (NumberFormatException e) {
private final int sourceDeviceId; throw new IllegalArgumentException("invalid source id");
}
List<Element> keyElements = header.getChildren();
this.keys = new ArrayList<>();
for (Element keyElement : keyElements) {
switch (keyElement.getName()) {
case KEYTAG:
try {
Integer recipientId = Integer.parseInt(keyElement.getAttribute(REMOTEID));
byte[] key = Base64.decode(keyElement.getContent().trim(), Base64.DEFAULT);
boolean isPreKey = keyElement.getAttributeAsBoolean("prekey");
this.keys.add(new XmppAxolotlSession.AxolotlKey(recipientId, key, isPreKey));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("invalid remote id");
}
break;
case IVTAG:
if (this.iv != null) {
throw new IllegalArgumentException("Duplicate iv entry");
}
iv = Base64.decode(keyElement.getContent().trim(), Base64.DEFAULT);
break;
default:
Log.w(Config.LOGTAG, "Unexpected element in header: " + keyElement.toString());
break;
}
}
final Element payloadElement = axolotlMessage.findChildEnsureSingle(PAYLOAD, AxolotlService.PEP_PREFIX);
if (payloadElement != null) {
ciphertext = Base64.decode(payloadElement.getContent().trim(), Base64.DEFAULT);
}
}
public static class XmppAxolotlPlaintextMessage { XmppAxolotlMessage(Jid from, int sourceDeviceId) {
private final String plaintext; this.from = from;
private final String fingerprint; this.sourceDeviceId = sourceDeviceId;
this.keys = new ArrayList<>();
this.iv = generateIv();
this.innerKey = generateKey();
}
XmppAxolotlPlaintextMessage(String plaintext, String fingerprint) { public static int parseSourceId(final Element axolotlMessage) throws IllegalArgumentException {
this.plaintext = plaintext; final Element header = axolotlMessage.findChild(HEADER);
this.fingerprint = fingerprint; if (header == null) {
} throw new IllegalArgumentException("No header found");
}
try {
return Integer.parseInt(header.getAttribute(SOURCEID));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("invalid source id");
}
}
public String getPlaintext() { public static XmppAxolotlMessage fromElement(Element element, Jid from) {
return plaintext; return new XmppAxolotlMessage(element, from);
} }
private static byte[] generateKey() {
try {
KeyGenerator generator = KeyGenerator.getInstance(KEYTYPE);
generator.init(128);
return generator.generateKey().getEncoded();
} catch (NoSuchAlgorithmException e) {
Log.e(Config.LOGTAG, e.getMessage());
return null;
}
}
private static byte[] generateIv() {
final SecureRandom random = new SecureRandom();
byte[] iv = new byte[Config.TWELVE_BYTE_IV ? 12 : 16];
random.nextBytes(iv);
return iv;
}
private static byte[] getPaddedBytes(String plaintext) {
int plainLength = plaintext.getBytes().length;
int pad = Math.max(64, (plainLength / 32 + 1) * 32) - plainLength;
SecureRandom random = new SecureRandom();
int left = random.nextInt(pad);
int right = pad - left;
StringBuilder builder = new StringBuilder(plaintext);
for (int i = 0; i < left; ++i) {
builder.insert(0, random.nextBoolean() ? "\t" : " ");
}
for (int i = 0; i < right; ++i) {
builder.append(random.nextBoolean() ? "\t" : " ");
}
return builder.toString().getBytes();
}
public boolean hasPayload() {
return ciphertext != null;
}
void encrypt(String plaintext) throws CryptoFailedException {
try {
SecretKey secretKey = new SecretKeySpec(innerKey, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
Cipher cipher = Compatibility.twentyEight() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
this.ciphertext = cipher.doFinal(Config.OMEMO_PADDING ? getPaddedBytes(plaintext) : plaintext.getBytes());
if (Config.PUT_AUTH_TAG_INTO_KEY && this.ciphertext != null) {
this.authtagPlusInnerKey = new byte[16 + 16];
byte[] ciphertext = new byte[this.ciphertext.length - 16];
System.arraycopy(this.ciphertext, 0, ciphertext, 0, ciphertext.length);
System.arraycopy(this.ciphertext, ciphertext.length, authtagPlusInnerKey, 16, 16);
System.arraycopy(this.innerKey, 0, authtagPlusInnerKey, 0, this.innerKey.length);
this.ciphertext = ciphertext;
}
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
| IllegalBlockSizeException | BadPaddingException | NoSuchProviderException
| InvalidAlgorithmParameterException e) {
throw new CryptoFailedException(e);
}
}
public Jid getFrom() {
return this.from;
}
int getSenderDeviceId() {
return sourceDeviceId;
}
void addDevice(XmppAxolotlSession session) {
addDevice(session, false);
}
void addDevice(XmppAxolotlSession session, boolean ignoreSessionTrust) {
XmppAxolotlSession.AxolotlKey key;
if (authtagPlusInnerKey != null) {
key = session.processSending(authtagPlusInnerKey, ignoreSessionTrust);
} else {
key = session.processSending(innerKey, ignoreSessionTrust);
}
if (key != null) {
keys.add(key);
}
}
public byte[] getInnerKey() {
return innerKey;
}
public byte[] getIV() {
return this.iv;
}
public Element toElement() {
Element encryptionElement = new Element(CONTAINERTAG, AxolotlService.PEP_PREFIX);
Element headerElement = encryptionElement.addChild(HEADER);
headerElement.setAttribute(SOURCEID, sourceDeviceId);
for (XmppAxolotlSession.AxolotlKey key : keys) {
Element keyElement = new Element(KEYTAG);
keyElement.setAttribute(REMOTEID, key.deviceId);
if (key.prekey) {
keyElement.setAttribute("prekey", "true");
}
keyElement.setContent(Base64.encodeToString(key.key, Base64.NO_WRAP));
headerElement.addChild(keyElement);
}
headerElement.addChild(IVTAG).setContent(Base64.encodeToString(iv, Base64.NO_WRAP));
if (ciphertext != null) {
Element payload = encryptionElement.addChild(PAYLOAD);
payload.setContent(Base64.encodeToString(ciphertext, Base64.NO_WRAP));
}
return encryptionElement;
}
private byte[] unpackKey(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
ArrayList<XmppAxolotlSession.AxolotlKey> possibleKeys = new ArrayList<>();
for (XmppAxolotlSession.AxolotlKey key : keys) {
if (key.deviceId == sourceDeviceId) {
possibleKeys.add(key);
}
}
if (possibleKeys.size() == 0) {
throw new NotEncryptedForThisDeviceException();
}
return session.processReceiving(possibleKeys);
}
XmppAxolotlKeyTransportMessage getParameters(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
return new XmppAxolotlKeyTransportMessage(session.getFingerprint(), unpackKey(session, sourceDeviceId), getIV());
}
public XmppAxolotlPlaintextMessage decrypt(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
XmppAxolotlPlaintextMessage plaintextMessage = null;
byte[] key = unpackKey(session, sourceDeviceId);
if (key != null) {
try {
if (key.length < 32) {
throw new OutdatedSenderException("Key did not contain auth tag. Sender needs to update their OMEMO client");
}
final int authTagLength = key.length - 16;
byte[] newCipherText = new byte[key.length - 16 + ciphertext.length];
byte[] newKey = new byte[16];
System.arraycopy(ciphertext, 0, newCipherText, 0, ciphertext.length);
System.arraycopy(key, 16, newCipherText, ciphertext.length, authTagLength);
System.arraycopy(key, 0, newKey, 0, newKey.length);
ciphertext = newCipherText;
key = newKey;
final Cipher cipher = Compatibility.twentyEight() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
SecretKeySpec keySpec = new SecretKeySpec(key, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
String plaintext = new String(cipher.doFinal(ciphertext));
plaintextMessage = new XmppAxolotlPlaintextMessage(Config.OMEMO_PADDING ? plaintext.trim() : plaintext, session.getFingerprint());
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
| InvalidAlgorithmParameterException | IllegalBlockSizeException
| BadPaddingException | NoSuchProviderException e) {
throw new CryptoFailedException(e);
}
}
return plaintextMessage;
}
public static class XmppAxolotlPlaintextMessage {
private final String plaintext;
private final String fingerprint;
XmppAxolotlPlaintextMessage(String plaintext, String fingerprint) {
this.plaintext = plaintext;
this.fingerprint = fingerprint;
}
public String getPlaintext() {
return plaintext;
}
public String getFingerprint() { public String getFingerprint() {
return fingerprint; return fingerprint;
} }
} }
public static class XmppAxolotlKeyTransportMessage { public static class XmppAxolotlKeyTransportMessage {
private final String fingerprint; private final String fingerprint;
private final byte[] key; private final byte[] key;
private final byte[] iv; private final byte[] iv;
XmppAxolotlKeyTransportMessage(String fingerprint, byte[] key, byte[] iv) { XmppAxolotlKeyTransportMessage(String fingerprint, byte[] key, byte[] iv) {
this.fingerprint = fingerprint; this.fingerprint = fingerprint;
this.key = key; this.key = key;
this.iv = iv; this.iv = iv;
} }
public String getFingerprint() { public String getFingerprint() {
return fingerprint; return fingerprint;
} }
public byte[] getKey() { public byte[] getKey() {
return key; return key;
} }
public byte[] getIv() { public byte[] getIv() {
return iv; return iv;
} }
} }
public static int parseSourceId(final Element axolotlMessage) throws IllegalArgumentException {
final Element header = axolotlMessage.findChild(HEADER);
if (header == null) {
throw new IllegalArgumentException("No header found");
}
try {
return Integer.parseInt(header.getAttribute(SOURCEID));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("invalid source id");
}
}
private XmppAxolotlMessage(final Element axolotlMessage, final Jid from) throws IllegalArgumentException {
this.from = from;
Element header = axolotlMessage.findChild(HEADER);
try {
this.sourceDeviceId = Integer.parseInt(header.getAttribute(SOURCEID));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("invalid source id");
}
List<Element> keyElements = header.getChildren();
this.keys = new ArrayList<>();
for (Element keyElement : keyElements) {
switch (keyElement.getName()) {
case KEYTAG:
try {
Integer recipientId = Integer.parseInt(keyElement.getAttribute(REMOTEID));
byte[] key = Base64.decode(keyElement.getContent().trim(), Base64.DEFAULT);
boolean isPreKey =keyElement.getAttributeAsBoolean("prekey");
this.keys.add(new XmppAxolotlSession.AxolotlKey(recipientId, key,isPreKey));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("invalid remote id");
}
break;
case IVTAG:
if (this.iv != null) {
throw new IllegalArgumentException("Duplicate iv entry");
}
iv = Base64.decode(keyElement.getContent().trim(), Base64.DEFAULT);
break;
default:
Log.w(Config.LOGTAG, "Unexpected element in header: " + keyElement.toString());
break;
}
}
final Element payloadElement = axolotlMessage.findChildEnsureSingle(PAYLOAD, AxolotlService.PEP_PREFIX);
if (payloadElement != null) {
ciphertext = Base64.decode(payloadElement.getContent().trim(), Base64.DEFAULT);
}
}
XmppAxolotlMessage(Jid from, int sourceDeviceId) {
this.from = from;
this.sourceDeviceId = sourceDeviceId;
this.keys = new ArrayList<>();
this.iv = generateIv();
this.innerKey = generateKey();
}
public static XmppAxolotlMessage fromElement(Element element, Jid from) {
return new XmppAxolotlMessage(element, from);
}
private static byte[] generateKey() {
try {
KeyGenerator generator = KeyGenerator.getInstance(KEYTYPE);
generator.init(128);
return generator.generateKey().getEncoded();
} catch (NoSuchAlgorithmException e) {
Log.e(Config.LOGTAG, e.getMessage());
return null;
}
}
private static byte[] generateIv() {
final SecureRandom random = new SecureRandom();
byte[] iv = new byte[Config.TWELVE_BYTE_IV ? 12 : 16];
random.nextBytes(iv);
return iv;
}
public boolean hasPayload() {
return ciphertext != null;
}
void encrypt(String plaintext) throws CryptoFailedException {
try {
SecretKey secretKey = new SecretKeySpec(innerKey, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
Cipher cipher = Compatibility.twentyEight() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
this.ciphertext = cipher.doFinal(Config.OMEMO_PADDING ? getPaddedBytes(plaintext) : plaintext.getBytes());
if (Config.PUT_AUTH_TAG_INTO_KEY && this.ciphertext != null) {
this.authtagPlusInnerKey = new byte[16+16];
byte[] ciphertext = new byte[this.ciphertext.length - 16];
System.arraycopy(this.ciphertext,0,ciphertext,0,ciphertext.length);
System.arraycopy(this.ciphertext,ciphertext.length,authtagPlusInnerKey,16,16);
System.arraycopy(this.innerKey,0,authtagPlusInnerKey,0,this.innerKey.length);
this.ciphertext = ciphertext;
}
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
| IllegalBlockSizeException | BadPaddingException | NoSuchProviderException
| InvalidAlgorithmParameterException e) {
throw new CryptoFailedException(e);
}
}
private static byte[] getPaddedBytes(String plaintext) {
int plainLength = plaintext.getBytes().length;
int pad = Math.max(64,(plainLength / 32 + 1) * 32) - plainLength;
SecureRandom random = new SecureRandom();
int left = random.nextInt(pad);
int right = pad - left;
StringBuilder builder = new StringBuilder(plaintext);
for(int i = 0; i < left; ++i) {
builder.insert(0,random.nextBoolean() ? "\t" : " ");
}
for(int i = 0; i < right; ++i) {
builder.append(random.nextBoolean() ? "\t" : " ");
}
return builder.toString().getBytes();
}
public Jid getFrom() {
return this.from;
}
int getSenderDeviceId() {
return sourceDeviceId;
}
void addDevice(XmppAxolotlSession session) {
addDevice(session, false);
}
void addDevice(XmppAxolotlSession session, boolean ignoreSessionTrust) {
XmppAxolotlSession.AxolotlKey key;
if (authtagPlusInnerKey != null) {
key = session.processSending(authtagPlusInnerKey, ignoreSessionTrust);
} else {
key = session.processSending(innerKey, ignoreSessionTrust);
}
if (key != null) {
keys.add(key);
}
}
public byte[] getInnerKey() {
return innerKey;
}
public byte[] getIV() {
return this.iv;
}
public Element toElement() {
Element encryptionElement = new Element(CONTAINERTAG, AxolotlService.PEP_PREFIX);
Element headerElement = encryptionElement.addChild(HEADER);
headerElement.setAttribute(SOURCEID, sourceDeviceId);
for(XmppAxolotlSession.AxolotlKey key : keys) {
Element keyElement = new Element(KEYTAG);
keyElement.setAttribute(REMOTEID, key.deviceId);
if (key.prekey) {
keyElement.setAttribute("prekey","true");
}
keyElement.setContent(Base64.encodeToString(key.key, Base64.NO_WRAP));
headerElement.addChild(keyElement);
}
headerElement.addChild(IVTAG).setContent(Base64.encodeToString(iv, Base64.NO_WRAP));
if (ciphertext != null) {
Element payload = encryptionElement.addChild(PAYLOAD);
payload.setContent(Base64.encodeToString(ciphertext, Base64.NO_WRAP));
}
return encryptionElement;
}
private byte[] unpackKey(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
ArrayList<XmppAxolotlSession.AxolotlKey> possibleKeys = new ArrayList<>();
for(XmppAxolotlSession.AxolotlKey key : keys) {
if (key.deviceId == sourceDeviceId) {
possibleKeys.add(key);
}
}
if (possibleKeys.size() == 0) {
throw new NotEncryptedForThisDeviceException();
}
return session.processReceiving(possibleKeys);
}
XmppAxolotlKeyTransportMessage getParameters(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
return new XmppAxolotlKeyTransportMessage(session.getFingerprint(), unpackKey(session, sourceDeviceId), getIV());
}
public XmppAxolotlPlaintextMessage decrypt(XmppAxolotlSession session, Integer sourceDeviceId) throws CryptoFailedException {
XmppAxolotlPlaintextMessage plaintextMessage = null;
byte[] key = unpackKey(session, sourceDeviceId);
if (key != null) {
try {
//TODO remove support for *not* having auth tag in key
if (key.length >= 32) {
int authtaglength = key.length - 16;
Log.d(Config.LOGTAG,"found auth tag as part of omemo key");
byte[] newCipherText = new byte[key.length - 16 + ciphertext.length];
byte[] newKey = new byte[16];
System.arraycopy(ciphertext, 0, newCipherText, 0, ciphertext.length);
System.arraycopy(key, 16, newCipherText, ciphertext.length, authtaglength);
System.arraycopy(key,0,newKey,0,newKey.length);
ciphertext = newCipherText;
key = newKey;
}
Cipher cipher = Compatibility.twentyEight() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
SecretKeySpec keySpec = new SecretKeySpec(key, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
String plaintext = new String(cipher.doFinal(ciphertext));
plaintextMessage = new XmppAxolotlPlaintextMessage(Config.OMEMO_PADDING ? plaintext.trim() : plaintext, session.getFingerprint());
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException
| InvalidAlgorithmParameterException | IllegalBlockSizeException
| BadPaddingException | NoSuchProviderException e) {
throw new CryptoFailedException(e);
}
}
return plaintextMessage;
}
} }

View file

@ -76,8 +76,8 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
private Jid nextCounterpart; private Jid nextCounterpart;
private transient MucOptions mucOptions = null; private transient MucOptions mucOptions = null;
private boolean messagesLeftOnServer = true; private boolean messagesLeftOnServer = true;
private ChatState mOutgoingChatState = Config.DEFAULT_CHATSTATE; private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
private ChatState mIncomingChatState = Config.DEFAULT_CHATSTATE; private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
private String mFirstMamReference = null; private String mFirstMamReference = null;
public Conversation(final String name, final Account account, final Jid contactJid, public Conversation(final String name, final Account account, final Jid contactJid,

View file

@ -94,7 +94,7 @@ public class MucOptions {
public void resetChatState() { public void resetChatState() {
synchronized (users) { synchronized (users) {
for (User user : users) { for (User user : users) {
user.chatState = Config.DEFAULT_CHATSTATE; user.chatState = Config.DEFAULT_CHAT_STATE;
} }
} }
} }
@ -746,7 +746,7 @@ public class MucOptions {
private long pgpKeyId = 0; private long pgpKeyId = 0;
private Avatar avatar; private Avatar avatar;
private MucOptions options; private MucOptions options;
private ChatState chatState = Config.DEFAULT_CHATSTATE; private ChatState chatState = Config.DEFAULT_CHAT_STATE;
public User(MucOptions options, Jid fullJid) { public User(MucOptions options, Jid fullJid) {
this.options = options; this.options = options;

View file

@ -19,6 +19,7 @@ import eu.siacs.conversations.R;
import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.crypto.axolotl.BrokenSessionException; import eu.siacs.conversations.crypto.axolotl.BrokenSessionException;
import eu.siacs.conversations.crypto.axolotl.NotEncryptedForThisDeviceException; import eu.siacs.conversations.crypto.axolotl.NotEncryptedForThisDeviceException;
import eu.siacs.conversations.crypto.axolotl.OutdatedSenderException;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage; import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Bookmark; import eu.siacs.conversations.entities.Bookmark;
@ -140,6 +141,8 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
} }
} catch (NotEncryptedForThisDeviceException e) { } catch (NotEncryptedForThisDeviceException e) {
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status); return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE, status);
} catch (OutdatedSenderException e) {
return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
} }
if (plaintextMessage != null) { if (plaintextMessage != null) {
Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status); Message finishedMessage = new Message(conversation, plaintextMessage.getPlaintext(), Message.ENCRYPTION_AXOLOTL, status);

View file

@ -34,7 +34,6 @@ import android.provider.ContactsContract;
import android.security.KeyChain; import android.security.KeyChain;
import android.support.annotation.BoolRes; import android.support.annotation.BoolRes;
import android.support.annotation.IntegerRes; import android.support.annotation.IntegerRes;
import android.support.annotation.NonNull;
import android.support.v4.app.RemoteInput; import android.support.v4.app.RemoteInput;
import android.support.v4.content.ContextCompat; import android.support.v4.content.ContextCompat;
import android.text.TextUtils; import android.text.TextUtils;
@ -1515,7 +1514,7 @@ public class XmppConnectionService extends Service {
if (delay) { if (delay) {
mMessageGenerator.addDelay(packet, message.getTimeSent()); mMessageGenerator.addDelay(packet, message.getTimeSent());
} }
if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) { if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
if (this.sendChatStates()) { if (this.sendChatStates()) {
packet.addChild(ChatState.toElement(conversation.getOutgoingChatState())); packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
} }
@ -2514,7 +2513,7 @@ public class XmppConnectionService extends Service {
if (conversation.getMode() == Conversation.MODE_MULTI) { if (conversation.getMode() == Conversation.MODE_MULTI) {
conversation.getMucOptions().resetChatState(); conversation.getMucOptions().resetChatState();
} else { } else {
conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE); conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
} }
} }
for (Account account : getAccounts()) { for (Account account : getAccounts()) {

View file

@ -1721,7 +1721,7 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
} }
public void privateMessageWith(final Jid counterpart) { public void privateMessageWith(final Jid counterpart) {
if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) { if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
activity.xmppConnectionService.sendChatState(conversation); activity.xmppConnectionService.sendChatState(conversation);
} }
this.binding.textinput.setText(""); this.binding.textinput.setText("");
@ -1859,7 +1859,7 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
} }
private void updateChatState(final Conversation conversation, final String msg) { private void updateChatState(final Conversation conversation, final String msg) {
ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED; ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
Account.State status = conversation.getAccount().getStatus(); Account.State status = conversation.getAccount().getStatus();
if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) { if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
activity.xmppConnectionService.sendChatState(conversation); activity.xmppConnectionService.sendChatState(conversation);
@ -2619,7 +2619,7 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
return; return;
} }
Account.State status = conversation.getAccount().getStatus(); Account.State status = conversation.getAccount().getStatus();
if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) { if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
service.sendChatState(conversation); service.sendChatState(conversation);
} }
if (storeNextMessage()) { if (storeNextMessage()) {

View file

@ -31,7 +31,7 @@
<resources> <resources>
<string name="pref_about_message" translatable="false"> <string name="pref_about_message" translatable="false">
Conversations • the very last word in instant messaging. Conversations • the very last word in instant messaging.
\n\nCopyright © 2014-2019 Daniel Gultsch \n\nCopyright © 2014-2020 Daniel Gultsch
\n\nThis program is free software: you can redistribute it and/or modify \n\nThis program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or