diff options
Diffstat (limited to 'conversations/src/main/java/eu/siacs/conversations/generator')
4 files changed, 379 insertions, 0 deletions
diff --git a/conversations/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java b/conversations/src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java new file mode 100644 index 00000000..c96d116d --- /dev/null +++ b/conversations/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/conversations/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/conversations/src/main/java/eu/siacs/conversations/generator/IqGenerator.java new file mode 100644 index 00000000..d44bf0ca --- /dev/null +++ b/conversations/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/conversations/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/conversations/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java new file mode 100644 index 00000000..dd833e56 --- /dev/null +++ b/conversations/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/conversations/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java b/conversations/src/main/java/eu/siacs/conversations/generator/PresenceGenerator.java new file mode 100644 index 00000000..d896dd00 --- /dev/null +++ b/conversations/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; + } +}
\ No newline at end of file |