Make conversations the root project

4 files changed, 379 insertions, 0 deletions

diff --git a/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
new file mode 100644
index 00000000..c96d116d
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java
@@ -0,0 +1,48 @@
+package eu.siacs.conversations.generator;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import eu.siacs.conversations.services.XmppConnectionService;
+
+import android.util.Base64;
+
+public abstract class AbstractGenerator {
+	public final String[] FEATURES = { "urn:xmpp:jingle:1",
+			"urn:xmpp:jingle:apps:file-transfer:3",
+			"urn:xmpp:jingle:transports:s5b:1",
+			"urn:xmpp:jingle:transports:ibb:1", "urn:xmpp:receipts",
+			"urn:xmpp:chat-markers:0", "http://jabber.org/protocol/muc",
+			"jabber:x:conference", "http://jabber.org/protocol/caps",
+			"http://jabber.org/protocol/disco#info",
+			"urn:xmpp:avatar:metadata+notify" };
+	public final String IDENTITY_NAME = "Conversations 0.7";
+	public final String IDENTITY_TYPE = "phone";
+
+	protected XmppConnectionService mXmppConnectionService;
+
+	protected AbstractGenerator(XmppConnectionService service) {
+		this.mXmppConnectionService = service;
+	}
+
+	public String getCapHash() {
+		StringBuilder s = new StringBuilder();
+		s.append("client/" + IDENTITY_TYPE + "//" + IDENTITY_NAME + "<");
+		MessageDigest md = null;
+		try {
+			md = MessageDigest.getInstance("SHA-1");
+		} catch (NoSuchAlgorithmException e) {
+			return null;
+		}
+		List<String> features = Arrays.asList(FEATURES);
+		Collections.sort(features);
+		for (String feature : features) {
+			s.append(feature + "<");
+		}
+		byte[] sha1 = md.digest(s.toString().getBytes());
+		return new String(Base64.encode(sha1, Base64.DEFAULT)).trim();
+	}
+}
diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
new file mode 100644
index 00000000..d44bf0ca
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -0,0 +1,96 @@
+package eu.siacs.conversations.generator;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.pep.Avatar;
+import eu.siacs.conversations.xmpp.stanzas.IqPacket;
+
+public class IqGenerator extends AbstractGenerator {
+
+	public IqGenerator(XmppConnectionService service) {
+		super(service);
+	}
+
+	public IqPacket discoResponse(IqPacket request) {
+		IqPacket packet = new IqPacket(IqPacket.TYPE_RESULT);
+		packet.setId(request.getId());
+		packet.setTo(request.getFrom());
+		Element query = packet.addChild("query",
+				"http://jabber.org/protocol/disco#info");
+		query.setAttribute("node", request.query().getAttribute("node"));
+		Element identity = query.addChild("identity");
+		identity.setAttribute("category", "client");
+		identity.setAttribute("type", this.IDENTITY_TYPE);
+		identity.setAttribute("name", IDENTITY_NAME);
+		List<String> features = Arrays.asList(FEATURES);
+		Collections.sort(features);
+		for (String feature : features) {
+			query.addChild("feature").setAttribute("var", feature);
+		}
+		return packet;
+	}
+
+	protected IqPacket publish(String node, Element item) {
+		IqPacket packet = new IqPacket(IqPacket.TYPE_SET);
+		Element pubsub = packet.addChild("pubsub",
+				"http://jabber.org/protocol/pubsub");
+		Element publish = pubsub.addChild("publish");
+		publish.setAttribute("node", node);
+		publish.addChild(item);
+		return packet;
+	}
+
+	protected IqPacket retrieve(String node, Element item) {
+		IqPacket packet = new IqPacket(IqPacket.TYPE_GET);
+		Element pubsub = packet.addChild("pubsub",
+				"http://jabber.org/protocol/pubsub");
+		Element items = pubsub.addChild("items");
+		items.setAttribute("node", node);
+		if (item != null) {
+			items.addChild(item);
+		}
+		return packet;
+	}
+
+	public IqPacket publishAvatar(Avatar avatar) {
+		Element item = new Element("item");
+		item.setAttribute("id", avatar.sha1sum);
+		Element data = item.addChild("data", "urn:xmpp:avatar:data");
+		data.setContent(avatar.image);
+		return publish("urn:xmpp:avatar:data", item);
+	}
+
+	public IqPacket publishAvatarMetadata(Avatar avatar) {
+		Element item = new Element("item");
+		item.setAttribute("id", avatar.sha1sum);
+		Element metadata = item
+				.addChild("metadata", "urn:xmpp:avatar:metadata");
+		Element info = metadata.addChild("info");
+		info.setAttribute("bytes", avatar.size);
+		info.setAttribute("id", avatar.sha1sum);
+		info.setAttribute("height", avatar.height);
+		info.setAttribute("width", avatar.height);
+		info.setAttribute("type", avatar.type);
+		return publish("urn:xmpp:avatar:metadata", item);
+	}
+
+	public IqPacket retrieveAvatar(Avatar avatar) {
+		Element item = new Element("item");
+		item.setAttribute("id", avatar.sha1sum);
+		IqPacket packet = retrieve("urn:xmpp:avatar:data", item);
+		packet.setTo(avatar.owner);
+		return packet;
+	}
+
+	public IqPacket retrieveAvatarMetaData(String to) {
+		IqPacket packet = retrieve("urn:xmpp:avatar:metadata", null);
+		if (to != null) {
+			packet.setTo(to);
+		}
+		return packet;
+	}
+}
diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
new file mode 100644
index 00000000..dd833e56
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
@@ -0,0 +1,178 @@
+package eu.siacs.conversations.generator;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.TimeZone;
+
+import net.java.otr4j.OtrException;
+import net.java.otr4j.session.Session;
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
+
+public class MessageGenerator extends AbstractGenerator {
+	public MessageGenerator(XmppConnectionService service) {
+		super(service);
+	}
+
+	private MessagePacket preparePacket(Message message, boolean addDelay) {
+		Conversation conversation = message.getConversation();
+		Account account = conversation.getAccount();
+		MessagePacket packet = new MessagePacket();
+		if (conversation.getMode() == Conversation.MODE_SINGLE) {
+			packet.setTo(message.getCounterpart());
+			packet.setType(MessagePacket.TYPE_CHAT);
+			packet.addChild("markable", "urn:xmpp:chat-markers:0");
+			if (this.mXmppConnectionService.indicateReceived()) {
+				packet.addChild("request", "urn:xmpp:receipts");
+			}
+		} else if (message.getType() == Message.TYPE_PRIVATE) {
+			packet.setTo(message.getCounterpart());
+			packet.setType(MessagePacket.TYPE_CHAT);
+		} else {
+			packet.setTo(message.getCounterpart().split("/", 2)[0]);
+			packet.setType(MessagePacket.TYPE_GROUPCHAT);
+		}
+		packet.setFrom(account.getFullJid());
+		packet.setId(message.getUuid());
+		if (addDelay) {
+			addDelay(packet, message.getTimeSent());
+		}
+		return packet;
+	}
+
+	private void addDelay(MessagePacket packet, long timestamp) {
+		final SimpleDateFormat mDateFormat = new SimpleDateFormat(
+				"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);
+		mDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+		Element delay = packet.addChild("delay", "urn:xmpp:delay");
+		Date date = new Date(timestamp);
+		delay.setAttribute("stamp", mDateFormat.format(date));
+	}
+
+	public MessagePacket generateOtrChat(Message message) {
+		return generateOtrChat(message, false);
+	}
+
+	public MessagePacket generateOtrChat(Message message, boolean addDelay) {
+		Session otrSession = message.getConversation().getOtrSession();
+		if (otrSession == null) {
+			return null;
+		}
+		MessagePacket packet = preparePacket(message, addDelay);
+		packet.addChild("private", "urn:xmpp:carbons:2");
+		packet.addChild("no-copy", "urn:xmpp:hints");
+		try {
+			packet.setBody(otrSession.transformSending(message.getBody()));
+			return packet;
+		} catch (OtrException e) {
+			return null;
+		}
+	}
+
+	public MessagePacket generateChat(Message message) {
+		return generateChat(message, false);
+	}
+
+	public MessagePacket generateChat(Message message, boolean addDelay) {
+		MessagePacket packet = preparePacket(message, addDelay);
+		packet.setBody(message.getBody());
+		return packet;
+	}
+
+	public MessagePacket generatePgpChat(Message message) {
+		return generatePgpChat(message, false);
+	}
+
+	public MessagePacket generatePgpChat(Message message, boolean addDelay) {
+		MessagePacket packet = preparePacket(message, addDelay);
+		packet.setBody("This is an XEP-0027 encryted message");
+		if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
+			packet.addChild("x", "jabber:x:encrypted").setContent(
+					message.getEncryptedBody());
+		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
+			packet.addChild("x", "jabber:x:encrypted").setContent(
+					message.getBody());
+		}
+		return packet;
+	}
+
+	public MessagePacket generateNotAcceptable(MessagePacket origin) {
+		MessagePacket packet = generateError(origin);
+		Element error = packet.addChild("error");
+		error.setAttribute("type", "modify");
+		error.setAttribute("code", "406");
+		error.addChild("not-acceptable");
+		return packet;
+	}
+
+	private MessagePacket generateError(MessagePacket origin) {
+		MessagePacket packet = new MessagePacket();
+		packet.setId(origin.getId());
+		packet.setTo(origin.getFrom());
+		packet.setBody(origin.getBody());
+		packet.setType(MessagePacket.TYPE_ERROR);
+		return packet;
+	}
+
+	public MessagePacket confirm(Account account, String to, String id) {
+		MessagePacket packet = new MessagePacket();
+		packet.setType(MessagePacket.TYPE_NORMAL);
+		packet.setTo(to);
+		packet.setFrom(account.getFullJid());
+		Element received = packet.addChild("displayed",
+				"urn:xmpp:chat-markers:0");
+		received.setAttribute("id", id);
+		return packet;
+	}
+
+	public MessagePacket conferenceSubject(Conversation conversation,
+			String subject) {
+		MessagePacket packet = new MessagePacket();
+		packet.setType(MessagePacket.TYPE_GROUPCHAT);
+		packet.setTo(conversation.getContactJid().split("/", 2)[0]);
+		Element subjectChild = new Element("subject");
+		subjectChild.setContent(subject);
+		packet.addChild(subjectChild);
+		packet.setFrom(conversation.getAccount().getJid());
+		return packet;
+	}
+
+	public MessagePacket directInvite(Conversation conversation, String contact) {
+		MessagePacket packet = new MessagePacket();
+		packet.setType(MessagePacket.TYPE_NORMAL);
+		packet.setTo(contact);
+		packet.setFrom(conversation.getAccount().getFullJid());
+		Element x = packet.addChild("x", "jabber:x:conference");
+		x.setAttribute("jid", conversation.getContactJid().split("/", 2)[0]);
+		return packet;
+	}
+
+	public MessagePacket invite(Conversation conversation, String contact) {
+		MessagePacket packet = new MessagePacket();
+		packet.setTo(conversation.getContactJid().split("/", 2)[0]);
+		packet.setFrom(conversation.getAccount().getFullJid());
+		Element x = new Element("x");
+		x.setAttribute("xmlns", "http://jabber.org/protocol/muc#user");
+		Element invite = new Element("invite");
+		invite.setAttribute("to", contact);
+		x.addChild(invite);
+		packet.addChild(x);
+		return packet;
+	}
+
+	public MessagePacket received(Account account,
+			MessagePacket originalMessage, String namespace) {
+		MessagePacket receivedPacket = new MessagePacket();
+		receivedPacket.setType(MessagePacket.TYPE_NORMAL);
+		receivedPacket.setTo(originalMessage.getFrom());
+		receivedPacket.setFrom(account.getFullJid());
+		Element received = receivedPacket.addChild("received", namespace);
+		received.setAttribute("id", originalMessage.getId());
+		return receivedPacket;
+	}
+}
diff --git a/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java b/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
new file mode 100644
index 00000000..d896dd00
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java
@@ -0,0 +1,57 @@
+package eu.siacs.conversations.generator;
+
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
+
+public class PresenceGenerator extends AbstractGenerator {
+
+	public PresenceGenerator(XmppConnectionService service) {
+		super(service);
+	}
+
+	private PresencePacket subscription(String type, Contact contact) {
+		PresencePacket packet = new PresencePacket();
+		packet.setAttribute("type", type);
+		packet.setAttribute("to", contact.getJid());
+		packet.setAttribute("from", contact.getAccount().getJid());
+		return packet;
+	}
+
+	public PresencePacket requestPresenceUpdatesFrom(Contact contact) {
+		return subscription("subscribe", contact);
+	}
+
+	public PresencePacket stopPresenceUpdatesFrom(Contact contact) {
+		return subscription("unsubscribe", contact);
+	}
+
+	public PresencePacket stopPresenceUpdatesTo(Contact contact) {
+		return subscription("unsubscribed", contact);
+	}
+
+	public PresencePacket sendPresenceUpdatesTo(Contact contact) {
+		return subscription("subscribed", contact);
+	}
+
+	public PresencePacket sendPresence(Account account) {
+		PresencePacket packet = new PresencePacket();
+		packet.setAttribute("from", account.getFullJid());
+		String sig = account.getPgpSignature();
+		if (sig != null) {
+			packet.addChild("status").setContent("online");
+			packet.addChild("x", "jabber:x:signed").setContent(sig);
+		}
+		String capHash = getCapHash();
+		if (capHash != null) {
+			Element cap = packet.addChild("c",
+					"http://jabber.org/protocol/caps");
+			cap.setAttribute("hash", "sha-1");
+			cap.setAttribute("node", "http://conversions.siacs.eu");
+			cap.setAttribute("ver", capHash);
+		}
+		return packet;
+	}
+}
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