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Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java')
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java322
1 files changed, 202 insertions, 120 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
index 039d8375..1687ef4b 100644
--- a/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
+++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
@@ -26,6 +26,7 @@ import java.net.IDN;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
+import java.net.SocketAddress;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
@@ -90,7 +91,7 @@ public class XmppConnection implements Runnable {
private boolean shouldBind = true;
private boolean shouldAuthenticate = true;
private Element streamFeatures;
- private final HashMap<String, List<String>> disco = new HashMap<>();
+ private final HashMap<Jid, Info> disco = new HashMap<>();
private String streamId = null;
private int smVersion = 3;
@@ -155,56 +156,62 @@ public class XmppConnection implements Runnable {
tagWriter = new TagWriter();
packetCallbacks.clear();
this.changeStatus(Account.State.CONNECTING);
- final Bundle result = DNSHelper.getSRVRecord(account.getServer());
- final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
- if ("timeout".equals(result.getString("error"))) {
- throw new IOException("timeout in dns");
- } else if (values != null) {
- int i = 0;
- boolean socketError = true;
- while (socketError && values.size() > i) {
- final Bundle namePort = (Bundle) values.get(i);
- try {
- String srvRecordServer;
+ if (DNSHelper.isIp(account.getServer().toString())) {
+ socket = new Socket();
+ try {
+ socket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000);
+ } catch (IOException e) {
+ throw new UnknownHostException();
+ }
+ } else {
+ final Bundle result = DNSHelper.getSRVRecord(account.getServer());
+ final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
+ if ("timeout".equals(result.getString("error"))) {
+ throw new IOException("timeout in dns");
+ } else if (values != null) {
+ int i = 0;
+ boolean socketError = true;
+ while (socketError && values.size() > i) {
+ final Bundle namePort = (Bundle) values.get(i);
try {
- srvRecordServer=IDN.toASCII(namePort.getString("name"));
- } catch (final IllegalArgumentException e) {
- // TODO: Handle me?`
- srvRecordServer = "";
- }
- final int srvRecordPort = namePort.getInt("port");
- final String srvIpServer = namePort.getString("ip");
- final InetSocketAddress addr;
- if (srvIpServer != null) {
- addr = new InetSocketAddress(srvIpServer, srvRecordPort);
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
- + ": using values from dns " + srvRecordServer
- + "[" + srvIpServer + "]:" + srvRecordPort);
- } else {
- addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
- + ": using values from dns "
- + srvRecordServer + ":" + srvRecordPort);
+ String srvRecordServer;
+ try {
+ srvRecordServer = IDN.toASCII(namePort.getString("name"));
+ } catch (final IllegalArgumentException e) {
+ // TODO: Handle me?`
+ srvRecordServer = "";
+ }
+ final int srvRecordPort = namePort.getInt("port");
+ final String srvIpServer = namePort.getString("ip");
+ final InetSocketAddress addr;
+ if (srvIpServer != null) {
+ addr = new InetSocketAddress(srvIpServer, srvRecordPort);
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
+ + ": using values from dns " + srvRecordServer
+ + "[" + srvIpServer + "]:" + srvRecordPort);
+ } else {
+ addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
+ + ": using values from dns "
+ + srvRecordServer + ":" + srvRecordPort);
+ }
+ socket = new Socket();
+ socket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
+ socketError = false;
+ } catch (final UnknownHostException e) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
+ i++;
+ } catch (final IOException e) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
+ i++;
}
- socket = new Socket();
- socket.connect(addr, 20000);
- socketError = false;
- } catch (final UnknownHostException e) {
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
- i++;
- } catch (final IOException e) {
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
- i++;
}
+ if (socketError) {
+ throw new UnknownHostException();
+ }
+ } else {
+ throw new IOException("unhandled exception in DNS resolver");
}
- if (socketError) {
- throw new UnknownHostException();
- }
- } else if (result.containsKey("error")
- && "nosrv".equals(result.getString("error", null))) {
- socket = new Socket(account.getServer().getDomainpart(), 5222);
- } else {
- throw new IOException("timeout in dns");
}
final OutputStream out = socket.getOutputStream();
tagWriter.setOutputStream(out);
@@ -224,6 +231,12 @@ public class XmppConnection implements Runnable {
if (socket.isConnected()) {
socket.close();
}
+ } catch (final IncompatibleServerException e) {
+ this.changeStatus(Account.State.INCOMPATIBLE_SERVER);
+ } catch (final SecurityException e) {
+ this.changeStatus(Account.State.SECURITY_ERROR);
+ } catch (final UnauthorizedException e) {
+ this.changeStatus(Account.State.UNAUTHORIZED);
} catch (final UnknownHostException | ConnectException e) {
this.changeStatus(Account.State.SERVER_NOT_FOUND);
} catch (final IOException | XmlPullParserException | NoSuchAlgorithmException e) {
@@ -231,6 +244,13 @@ public class XmppConnection implements Runnable {
this.changeStatus(Account.State.OFFLINE);
this.attempt--; //don't count attempt when reconnecting instantly anyway
} finally {
+ if (socket != null) {
+ try {
+ socket.close();
+ } catch (IOException e) {
+
+ }
+ }
if (wakeLock.isHeld()) {
try {
wakeLock.release();
@@ -279,8 +299,7 @@ public class XmppConnection implements Runnable {
processStream(tagReader.readTag());
break;
} else if (nextTag.isStart("failure")) {
- tagReader.readElement(nextTag);
- changeStatus(Account.State.UNAUTHORIZED);
+ throw new UnauthorizedException();
} else if (nextTag.isStart("challenge")) {
final String challenge = tagReader.readElement(nextTag).getContent();
final Element response = new Element("response");
@@ -334,23 +353,34 @@ public class XmppConnection implements Runnable {
} catch (final NumberFormatException ignored) {
}
sendServiceDiscoveryInfo(account.getServer());
+ sendServiceDiscoveryInfo(account.getJid().toBareJid());
sendServiceDiscoveryItems(account.getServer());
sendInitialPing();
} else if (nextTag.isStart("r")) {
tagReader.readElement(nextTag);
+ if (Config.EXTENDED_SM_LOGGING) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": acknowledging stanza #" + this.stanzasReceived);
+ }
final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
tagWriter.writeStanzaAsync(ack);
} else if (nextTag.isStart("a")) {
final Element ack = tagReader.readElement(nextTag);
lastPacketReceived = SystemClock.elapsedRealtime();
- final int serverSequence = Integer.parseInt(ack.getAttribute("h"));
- final String msgId = this.messageReceipts.get(serverSequence);
- if (msgId != null) {
- if (this.acknowledgedListener != null) {
- this.acknowledgedListener.onMessageAcknowledged(
- account, msgId);
+ try {
+ final int serverSequence = Integer.parseInt(ack.getAttribute("h"));
+ if (Config.EXTENDED_SM_LOGGING) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server acknowledged stanza #" + serverSequence);
}
- this.messageReceipts.remove(serverSequence);
+ final String msgId = this.messageReceipts.get(serverSequence);
+ if (msgId != null) {
+ if (this.acknowledgedListener != null) {
+ this.acknowledgedListener.onMessageAcknowledged(
+ account, msgId);
+ }
+ this.messageReceipts.remove(serverSequence);
+ }
+ } catch (NumberFormatException e) {
+ Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server send ack without sequence number");
}
} else if (nextTag.isStart("failed")) {
tagReader.readElement(nextTag);
@@ -430,6 +460,10 @@ public class XmppConnection implements Runnable {
throw new IOException("interrupted mid tag");
}
}
+ if (stanzasReceived == Integer.MAX_VALUE) {
+ resetStreamId();
+ throw new IOException("time to restart the session. cant handle >2 billion pcks");
+ }
++stanzasReceived;
lastPacketReceived = SystemClock.elapsedRealtime();
return element;
@@ -531,8 +565,7 @@ public class XmppConnection implements Runnable {
if (!verifier.verify(account.getServer().getDomainpart(),sslSocket.getSession())) {
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed");
- disconnect(true);
- changeStatus(Account.State.SECURITY_ERROR);
+ throw new SecurityException();
}
tagReader.setInputStream(sslSocket.getInputStream());
tagWriter.setOutputStream(sslSocket.getOutputStream());
@@ -543,8 +576,7 @@ public class XmppConnection implements Runnable {
sslSocket.close();
} catch (final NoSuchAlgorithmException | KeyManagementException e1) {
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed");
- disconnect(true);
- changeStatus(Account.State.SECURITY_ERROR);
+ throw new SecurityException();
}
}
@@ -574,31 +606,36 @@ public class XmppConnection implements Runnable {
} else if (mechanisms.contains("DIGEST-MD5")) {
saslMechanism = new DigestMd5(tagWriter, account, mXmppConnectionService.getRNG());
}
- final JSONObject keys = account.getKeys();
- try {
- if (keys.has(Account.PINNED_MECHANISM_KEY) &&
- keys.getInt(Account.PINNED_MECHANISM_KEY) > saslMechanism.getPriority() ) {
- Log.e(Config.LOGTAG, "Auth failed. Authentication mechanism " + saslMechanism.getMechanism() +
- " has lower priority (" + String.valueOf(saslMechanism.getPriority()) +
- ") than pinned priority (" + keys.getInt(Account.PINNED_MECHANISM_KEY) +
- "). Possible downgrade attack?");
- disconnect(true);
- changeStatus(Account.State.SECURITY_ERROR);
- }
- } catch (final JSONException e) {
- Log.d(Config.LOGTAG, "Parse error while checking pinned auth mechanism");
- }
- Log.d(Config.LOGTAG,account.getJid().toString()+": Authenticating with " + saslMechanism.getMechanism());
- auth.setAttribute("mechanism", saslMechanism.getMechanism());
- if (!saslMechanism.getClientFirstMessage().isEmpty()) {
- auth.setContent(saslMechanism.getClientFirstMessage());
+ if (saslMechanism != null) {
+ final JSONObject keys = account.getKeys();
+ try {
+ if (keys.has(Account.PINNED_MECHANISM_KEY) &&
+ keys.getInt(Account.PINNED_MECHANISM_KEY) > saslMechanism.getPriority()) {
+ Log.e(Config.LOGTAG, "Auth failed. Authentication mechanism " + saslMechanism.getMechanism() +
+ " has lower priority (" + String.valueOf(saslMechanism.getPriority()) +
+ ") than pinned priority (" + keys.getInt(Account.PINNED_MECHANISM_KEY) +
+ "). Possible downgrade attack?");
+ throw new SecurityException();
+ }
+ } catch (final JSONException e) {
+ Log.d(Config.LOGTAG, "Parse error while checking pinned auth mechanism");
+ }
+ Log.d(Config.LOGTAG, account.getJid().toString() + ": Authenticating with " + saslMechanism.getMechanism());
+ auth.setAttribute("mechanism", saslMechanism.getMechanism());
+ if (!saslMechanism.getClientFirstMessage().isEmpty()) {
+ auth.setContent(saslMechanism.getClientFirstMessage());
+ }
+ tagWriter.writeElement(auth);
+ } else {
+ throw new IncompatibleServerException();
}
- tagWriter.writeElement(auth);
} else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:"
+ smVersion)
&& streamId != null) {
- final ResumePacket resume = new ResumePacket(this.streamId,
- stanzasReceived, smVersion);
+ if (Config.EXTENDED_SM_LOGGING) {
+ Log.d(Config.LOGTAG,account.getJid().toBareJid()+": resuming after stanza #"+stanzasReceived);
+ }
+ final ResumePacket resume = new ResumePacket(this.streamId, stanzasReceived, smVersion);
this.tagWriter.writeStanzaAsync(resume);
} else if (this.streamFeatures.hasChild("bind") && shouldBind) {
sendBindRequest();
@@ -629,10 +666,8 @@ public class XmppConnection implements Runnable {
if (packet.query().hasChild("username")
&& (packet.query().hasChild("password"))) {
final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
- final Element username = new Element("username")
- .setContent(account.getUsername());
- final Element password = new Element("password")
- .setContent(account.getPassword());
+ final Element username = new Element("username").setContent(account.getUsername());
+ final Element password = new Element("password").setContent(account.getPassword());
register.query("jabber:iq:register").addChild(username);
register.query().addChild(password);
sendIqPacket(register, new OnIqPacketReceived() {
@@ -645,7 +680,7 @@ public class XmppConnection implements Runnable {
changeStatus(Account.State.REGISTRATION_SUCCESSFUL);
} else if (packet.hasChild("error")
&& (packet.findChild("error")
- .hasChild("conflict"))) {
+ .hasChild("conflict"))) {
changeStatus(Account.State.REGISTRATION_CONFLICT);
} else {
changeStatus(Account.State.REGISTRATION_FAILED);
@@ -659,7 +694,7 @@ public class XmppConnection implements Runnable {
disconnect(true);
Log.d(Config.LOGTAG, account.getJid().toBareJid()
+ ": could not register. instructions are"
- + instructions.getContent());
+ + (instructions != null ? instructions.getContent() : ""));
}
}
});
@@ -674,7 +709,7 @@ public class XmppConnection implements Runnable {
}
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
iq.addChild("bind", "urn:ietf:params:xml:ns:xmpp-bind")
- .addChild("resource").setContent(account.getResource());
+ .addChild("resource").setContent(account.getResource());
this.sendUnmodifiedIqPacket(iq, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(final Account account, final IqPacket packet) {
@@ -734,6 +769,7 @@ public class XmppConnection implements Runnable {
features.blockListRequested = false;
disco.clear();
sendServiceDiscoveryInfo(account.getServer());
+ sendServiceDiscoveryInfo(account.getJid().toBareJid());
sendServiceDiscoveryItems(account.getServer());
if (bindListener != null) {
bindListener.onBind(account);
@@ -741,34 +777,35 @@ public class XmppConnection implements Runnable {
sendInitialPing();
}
- private void sendServiceDiscoveryInfo(final Jid server) {
- if (disco.containsKey(server.toDomainJid().toString())) {
- if (account.getServer().equals(server.toDomainJid())) {
+ private void sendServiceDiscoveryInfo(final Jid jid) {
+ if (disco.containsKey(jid)) {
+ if (account.getServer().equals(jid)) {
enableAdvancedStreamFeatures();
}
} else {
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
- iq.setTo(server.toDomainJid());
+ iq.setTo(jid);
iq.query("http://jabber.org/protocol/disco#info");
this.sendIqPacket(iq, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(final Account account, final IqPacket packet) {
final List<Element> elements = packet.query().getChildren();
- final List<String> features = new ArrayList<>();
+ final Info info = new Info();
for (final Element element : elements) {
if (element.getName().equals("identity")) {
- if ("irc".equals(element.getAttribute("type"))) {
- //add fake feature to not confuse irc and real muc
- features.add("siacs:no:muc");
+ String type = element.getAttribute("type");
+ String category = element.getAttribute("category");
+ if (type != null && category != null) {
+ info.identities.add(new Pair<>(category,type));
}
} else if (element.getName().equals("feature")) {
- features.add(element.getAttribute("var"));
+ info.features.add(element.getAttribute("var"));
}
}
- disco.put(server.toDomainJid().toString(), features);
+ disco.put(jid, info);
- if (account.getServer().equals(server.toDomainJid())) {
+ if (account.getServer().equals(jid)) {
enableAdvancedStreamFeatures();
for (final OnAdvancedStreamFeaturesLoaded listener : advancedStreamFeaturesLoadedListeners) {
listener.onAdvancedStreamFeaturesAvailable(account);
@@ -784,7 +821,7 @@ public class XmppConnection implements Runnable {
sendEnableCarbons();
}
if (getFeatures().blocking() && !features.blockListRequested) {
- Log.d(Config.LOGTAG, "Requesting block list");
+ Log.d(Config.LOGTAG,account.getJid().toBareJid()+": Requesting block list");
this.sendIqPacket(getIqGenerator().generateGetBlockList(), mXmppConnectionService.getIqParser());
}
}
@@ -885,13 +922,20 @@ public class XmppConnection implements Runnable {
}
private synchronized void sendPacket(final AbstractStanza packet) {
+ if (stanzasSent == Integer.MAX_VALUE) {
+ resetStreamId();
+ disconnect(true);
+ return;
+ }
final String name = packet.getName();
if (name.equals("iq") || name.equals("message") || name.equals("presence")) {
++stanzasSent;
}
tagWriter.writeStanzaAsync(packet);
- if (packet instanceof MessagePacket && packet.getId() != null && this.streamId != null) {
- Log.d(Config.LOGTAG, "request delivery report for stanza " + stanzasSent);
+ if (packet instanceof MessagePacket && packet.getId() != null && getFeatures().sm()) {
+ if (Config.EXTENDED_SM_LOGGING) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": requesting ack for message stanza #" + stanzasSent);
+ }
this.messageReceipts.put(stanzasSent, packet.getId());
tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion));
}
@@ -981,18 +1025,22 @@ public class XmppConnection implements Runnable {
}
}
- public List<String> findDiscoItemsByFeature(final String feature) {
- final List<String> items = new ArrayList<>();
- for (final Entry<String, List<String>> cursor : disco.entrySet()) {
- if (cursor.getValue().contains(feature)) {
+ public void resetStreamId() {
+ this.streamId = null;
+ }
+
+ public List<Jid> findDiscoItemsByFeature(final String feature) {
+ final List<Jid> items = new ArrayList<>();
+ for (final Entry<Jid, Info> cursor : disco.entrySet()) {
+ if (cursor.getValue().features.contains(feature)) {
items.add(cursor.getKey());
}
}
return items;
}
- public String findDiscoItemByFeature(final String feature) {
- final List<String> items = findDiscoItemsByFeature(feature);
+ public Jid findDiscoItemByFeature(final String feature) {
+ final List<Jid> items = findDiscoItemsByFeature(feature);
if (items.size() >= 1) {
return items.get(0);
}
@@ -1004,10 +1052,12 @@ public class XmppConnection implements Runnable {
}
public String getMucServer() {
- for (final Entry<String, List<String>> cursor : disco.entrySet()) {
- final List<String> value = cursor.getValue();
- if (value.contains("http://jabber.org/protocol/muc") && !value.contains("jabber:iq:gateway") && !value.contains("siacs:no:muc")) {
- return cursor.getKey();
+ for (final Entry<Jid, Info> cursor : disco.entrySet()) {
+ final Info value = cursor.getValue();
+ if (value.features.contains("http://jabber.org/protocol/muc")
+ && !value.features.contains("jabber:iq:gateway")
+ && !value.identities.contains(new Pair<>("conference","irc"))) {
+ return cursor.getKey().toString();
}
}
return null;
@@ -1062,6 +1112,23 @@ public class XmppConnection implements Runnable {
this.lastConnect = 0;
}
+ private class Info {
+ public final ArrayList<String> features = new ArrayList<>();
+ public final ArrayList<Pair<String,String>> identities = new ArrayList<>();
+ }
+
+ private class UnauthorizedException extends IOException {
+
+ }
+
+ private class SecurityException extends IOException {
+
+ }
+
+ private class IncompatibleServerException extends IOException {
+
+ }
+
public class Features {
XmppConnection connection;
private boolean carbonsEnabled = false;
@@ -1073,8 +1140,8 @@ public class XmppConnection implements Runnable {
}
private boolean hasDiscoFeature(final Jid server, final String feature) {
- return connection.disco.containsKey(server.toDomainJid().toString()) &&
- connection.disco.get(server.toDomainJid().toString()).contains(feature);
+ return connection.disco.containsKey(server) &&
+ connection.disco.get(server).features.contains(feature);
}
public boolean carbons() {
@@ -1090,24 +1157,35 @@ public class XmppConnection implements Runnable {
}
public boolean sm() {
- return streamId != null;
+ return streamId != null
+ || (connection.streamFeatures != null && connection.streamFeatures.hasChild("sm"));
}
public boolean csi() {
return connection.streamFeatures != null && connection.streamFeatures.hasChild("csi", "urn:xmpp:csi:0");
}
- public boolean pubsub() {
- return hasDiscoFeature(account.getServer(),
- "http://jabber.org/protocol/pubsub#publish");
+ public boolean pep() {
+ final Pair<String,String> needle = new Pair<>("pubsub","pep");
+ Info info = disco.get(account.getServer());
+ if (info != null && info.identities.contains(needle)) {
+ return true;
+ } else {
+ info = disco.get(account.getJid().toBareJid());
+ return info != null && info.identities.contains(needle);
+ }
}
public boolean mam() {
- return hasDiscoFeature(account.getServer(), "urn:xmpp:mam:0");
+ if (hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:mam:0")) {
+ return true;
+ } else {
+ return hasDiscoFeature(account.getServer(), "urn:xmpp:mam:0");
+ }
}
public boolean advancedStreamFeaturesLoaded() {
- return disco.containsKey(account.getServer().toString());
+ return disco.containsKey(account.getServer());
}
public boolean rosterVersioning() {
@@ -1117,6 +1195,10 @@ public class XmppConnection implements Runnable {
public void setBlockListRequested(boolean value) {
this.blockListRequested = value;
}
+
+ public boolean httpUpload() {
+ return findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD).size() > 0;
+ }
}
private IqGenerator getIqGenerator() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 17:24:22 +0000