diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/generator')
4 files changed, 641 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/generator/AbstractGenerator.java b/src/main/java/de/thedevstack/conversationsplus/generator/AbstractGenerator.java new file mode 100644 index 00000000..2d825f2c --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/generator/AbstractGenerator.java @@ -0,0 +1,74 @@ +package de.thedevstack.conversationsplus.generator; + +import android.util.Base64; + +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.Locale; +import java.util.TimeZone; + +import de.thedevstack.conversationsplus.ConversationsPlusApplication; +import de.tzur.conversations.Settings; +import de.thedevstack.conversationsplus.crypto.axolotl.AxolotlService; + +public abstract class AbstractGenerator { + private 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", + "http://jabber.org/protocol/muc", + "jabber:x:conference", + "http://jabber.org/protocol/caps", + "http://jabber.org/protocol/disco#info", + "urn:xmpp:avatar:metadata+notify", + "http://jabber.org/protocol/nick+notify", + "urn:xmpp:ping", + "jabber:iq:version", + "http://jabber.org/protocol/chatstates", + AxolotlService.PEP_DEVICE_LIST+"+notify"}; + private final String[] MESSAGE_CONFIRMATION_FEATURES = { + "urn:xmpp:chat-markers:0", + "urn:xmpp:receipts" + }; + protected final String IDENTITY_TYPE = "phone"; + + private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US); + + public String getCapHash() { + StringBuilder s = new StringBuilder(); + s.append("client/" + IDENTITY_TYPE + "//" + ConversationsPlusApplication.getNameAndVersion() + "<"); + MessageDigest md; + try { + md = MessageDigest.getInstance("SHA-1"); + } catch (NoSuchAlgorithmException e) { + return null; + } + + for (String feature : getFeatures()) { + s.append(feature + "<"); + } + byte[] sha1 = md.digest(s.toString().getBytes()); + return new String(Base64.encode(sha1, Base64.DEFAULT)); + } + + public static String getTimestamp(long time) { + DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC")); + return DATE_FORMAT.format(time); + } + + public List<String> getFeatures() { + ArrayList<String> features = new ArrayList<>(); + features.addAll(Arrays.asList(FEATURES)); + if (Settings.CONFIRM_MESSAGE_RECEIVED) { + features.addAll(Arrays.asList(MESSAGE_CONFIRMATION_FEATURES)); + } + Collections.sort(features); + return features; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/generator/IqGenerator.java b/src/main/java/de/thedevstack/conversationsplus/generator/IqGenerator.java new file mode 100644 index 00000000..2d4c8f6a --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/generator/IqGenerator.java @@ -0,0 +1,289 @@ +package de.thedevstack.conversationsplus.generator; + + +import android.util.Base64; +import android.util.Log; + +import org.whispersystems.libaxolotl.IdentityKey; +import org.whispersystems.libaxolotl.ecc.ECPublicKey; +import org.whispersystems.libaxolotl.state.PreKeyRecord; +import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; + +import java.security.cert.CertificateEncodingException; +import java.security.cert.X509Certificate; +import java.util.ArrayList; +import java.util.List; +import java.util.Set; + +import de.thedevstack.conversationsplus.ConversationsPlusApplication; +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.crypto.axolotl.AxolotlService; +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.services.MessageArchiveService; +import de.thedevstack.conversationsplus.utils.Xmlns; +import de.thedevstack.conversationsplus.xml.Element; +import de.thedevstack.conversationsplus.xmpp.forms.Data; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; +import de.thedevstack.conversationsplus.xmpp.pep.Avatar; +import de.thedevstack.conversationsplus.xmpp.stanzas.IqPacket; + +public class IqGenerator extends AbstractGenerator { + + public IqPacket discoResponse(final IqPacket request) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.RESULT); + packet.setId(request.getId()); + packet.setTo(request.getFrom()); + final Element query = packet.addChild("query", + "http://jabber.org/protocol/disco#info"); + query.setAttribute("node", request.query().getAttribute("node")); + final Element identity = query.addChild("identity"); + identity.setAttribute("category", "client"); + identity.setAttribute("type", IDENTITY_TYPE); + identity.setAttribute("name", ConversationsPlusApplication.getNameAndVersion()); + for (final String feature : getFeatures()) { + query.addChild("feature").setAttribute("var", feature); + } + return packet; + } + + public IqPacket versionResponse(final IqPacket request) { + final IqPacket packet = request.generateResponse(IqPacket.TYPE.RESULT); + Element query = packet.query("jabber:iq:version"); + query.addChild("name").setContent(ConversationsPlusApplication.getName()); + query.addChild("version").setContent(ConversationsPlusApplication.getVersion()); + return packet; + } + + protected IqPacket publish(final String node, final Element item) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + final Element pubsub = packet.addChild("pubsub", + "http://jabber.org/protocol/pubsub"); + final Element publish = pubsub.addChild("publish"); + publish.setAttribute("node", node); + publish.addChild(item); + return packet; + } + + protected IqPacket retrieve(String node, Element item) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.GET); + final Element pubsub = packet.addChild("pubsub", + "http://jabber.org/protocol/pubsub"); + final Element items = pubsub.addChild("items"); + items.setAttribute("node", node); + if (item != null) { + items.addChild(item); + } + return packet; + } + + public IqPacket publishNick(String nick) { + final Element item = new Element("item"); + item.addChild("nick","http://jabber.org/protocol/nick").setContent(nick); + return publish("http://jabber.org/protocol/nick", item); + } + + public static IqPacket retrieveVcardAvatar(final Avatar avatar) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.GET); + packet.setTo(avatar.owner); + packet.addChild("vCard", "vcard-temp"); + return packet; + } + + public IqPacket retrieveDeviceIds(final Jid to) { + final IqPacket packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null); + if(to != null) { + packet.setTo(to); + } + return packet; + } + + public IqPacket retrieveBundlesForDevice(final Jid to, final int deviceid) { + final IqPacket packet = retrieve(AxolotlService.PEP_BUNDLES+":"+deviceid, null); + packet.setTo(to); + return packet; + } + + public IqPacket retrieveVerificationForDevice(final Jid to, final int deviceid) { + final IqPacket packet = retrieve(AxolotlService.PEP_VERIFICATION+":"+deviceid, null); + packet.setTo(to); + return packet; + } + + public IqPacket publishDeviceIds(final Set<Integer> ids) { + final Element item = new Element("item"); + final Element list = item.addChild("list", AxolotlService.PEP_PREFIX); + for(Integer id:ids) { + final Element device = new Element("device"); + device.setAttribute("id", id); + list.addChild(device); + } + return publish(AxolotlService.PEP_DEVICE_LIST, item); + } + + public IqPacket publishBundles(final SignedPreKeyRecord signedPreKeyRecord, final IdentityKey identityKey, + final Set<PreKeyRecord> preKeyRecords, final int deviceId) { + final Element item = new Element("item"); + final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX); + final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic"); + signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId()); + ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey(); + signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(),Base64.DEFAULT)); + final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature"); + signedPreKeySignature.setContent(Base64.encodeToString(signedPreKeyRecord.getSignature(),Base64.DEFAULT)); + final Element identityKeyElement = bundle.addChild("identityKey"); + identityKeyElement.setContent(Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT)); + + final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX); + for(PreKeyRecord preKeyRecord:preKeyRecords) { + final Element prekey = prekeys.addChild("preKeyPublic"); + prekey.setAttribute("preKeyId", preKeyRecord.getId()); + prekey.setContent(Base64.encodeToString(preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.DEFAULT)); + } + + return publish(AxolotlService.PEP_BUNDLES+":"+deviceId, item); + } + + public IqPacket publishVerification(byte[] signature, X509Certificate[] certificates, final int deviceId) { + final Element item = new Element("item"); + final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX); + final Element chain = verification.addChild("chain"); + for(int i = 0; i < certificates.length; ++i) { + try { + Element certificate = chain.addChild("certificate"); + certificate.setContent(Base64.encodeToString(certificates[i].getEncoded(), Base64.DEFAULT)); + certificate.setAttribute("index",i); + } catch (CertificateEncodingException e) { + Log.d(Config.LOGTAG, "could not encode certificate"); + } + } + verification.addChild("signature").setContent(Base64.encodeToString(signature, Base64.DEFAULT)); + return publish(AxolotlService.PEP_VERIFICATION+":"+deviceId, item); + } + + public IqPacket queryMessageArchiveManagement(final MessageArchiveService.Query mam) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + final Element query = packet.query("urn:xmpp:mam:0"); + query.setAttribute("queryid", mam.getQueryId()); + final Data data = new Data(); + data.setFormType("urn:xmpp:mam:0"); + if (mam.muc()) { + packet.setTo(mam.getWith()); + } else if (mam.getWith()!=null) { + data.put("with", mam.getWith().toString()); + } + data.put("start", getTimestamp(mam.getStart())); + data.put("end", getTimestamp(mam.getEnd())); + data.submit(); + query.addChild(data); + if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) { + query.addChild("set", "http://jabber.org/protocol/rsm").addChild("before").setContent(mam.getReference()); + } else if (mam.getReference() != null) { + query.addChild("set", "http://jabber.org/protocol/rsm").addChild("after").setContent(mam.getReference()); + } + return packet; + } + public IqPacket generateGetBlockList() { + final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); + iq.addChild("blocklist", Xmlns.BLOCKING); + + return iq; + } + + public IqPacket generateSetBlockRequest(final Jid jid) { + final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); + final Element block = iq.addChild("block", Xmlns.BLOCKING); + block.addChild("item").setAttribute("jid", jid.toBareJid().toString()); + return iq; + } + + public IqPacket generateSetUnblockRequest(final Jid jid) { + final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); + final Element block = iq.addChild("unblock", Xmlns.BLOCKING); + block.addChild("item").setAttribute("jid", jid.toBareJid().toString()); + return iq; + } + + public IqPacket generateSetPassword(final Account account, final String newPassword) { + final IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + packet.setTo(account.getServer()); + final Element query = packet.addChild("query", Xmlns.REGISTER); + final Jid jid = account.getJid(); + query.addChild("username").setContent(jid.getLocalpart()); + query.addChild("password").setContent(newPassword); + return packet; + } + + public IqPacket changeAffiliation(Conversation conference, Jid jid, String affiliation) { + List<Jid> jids = new ArrayList<>(); + jids.add(jid); + return changeAffiliation(conference,jids,affiliation); + } + + public IqPacket changeAffiliation(Conversation conference, List<Jid> jids, String affiliation) { + IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + packet.setTo(conference.getJid().toBareJid()); + packet.setFrom(conference.getAccount().getJid()); + Element query = packet.query("http://jabber.org/protocol/muc#admin"); + for(Jid jid : jids) { + Element item = query.addChild("item"); + item.setAttribute("jid", jid.toString()); + item.setAttribute("affiliation", affiliation); + } + return packet; + } + + public IqPacket changeRole(Conversation conference, String nick, String role) { + IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + packet.setTo(conference.getJid().toBareJid()); + packet.setFrom(conference.getAccount().getJid()); + Element item = packet.query("http://jabber.org/protocol/muc#admin").addChild("item"); + item.setAttribute("nick", nick); + item.setAttribute("role", role); + return packet; + } + + public IqPacket generateCreateAccountWithCaptcha(Account account, String id, Data data) { + final IqPacket register = new IqPacket(IqPacket.TYPE.SET); + + register.setTo(account.getServer()); + register.setId(id); + register.query("jabber:iq:register").addChild(data); + + return register; + } + + public IqPacket pushTokenToAppServer(Jid appServer, String token, String deviceId) { + IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + packet.setTo(appServer); + Element command = packet.addChild("command", "http://jabber.org/protocol/commands"); + command.setAttribute("node","register-push-gcm"); + command.setAttribute("action","execute"); + Data data = new Data(); + data.put("token", token); + data.put("device-id", deviceId); + data.submit(); + command.addChild(data); + return packet; + } + + public IqPacket enablePush(Jid jid, String node, String secret) { + IqPacket packet = new IqPacket(IqPacket.TYPE.SET); + Element enable = packet.addChild("enable","urn:xmpp:push:0"); + enable.setAttribute("jid",jid.toString()); + enable.setAttribute("node", node); + Data data = new Data(); + data.setFormType("http://jabber.org/protocol/pubsub#publish-options"); + data.put("secret",secret); + data.submit(); + enable.addChild(data); + return packet; + } + + public IqPacket queryAffiliation(Conversation conversation, String affiliation) { + IqPacket packet = new IqPacket(IqPacket.TYPE.GET); + packet.setTo(conversation.getJid().toBareJid()); + packet.query("http://jabber.org/protocol/muc#admin").addChild("item").setAttribute("affiliation",affiliation); + return packet; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/generator/MessageGenerator.java b/src/main/java/de/thedevstack/conversationsplus/generator/MessageGenerator.java new file mode 100644 index 00000000..678f2c75 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/generator/MessageGenerator.java @@ -0,0 +1,216 @@ +package de.thedevstack.conversationsplus.generator; + +import net.java.otr4j.OtrException; +import net.java.otr4j.session.Session; + +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Date; +import java.util.Locale; +import java.util.TimeZone; + +import de.thedevstack.conversationsplus.ConversationsPlusPreferences; +import de.thedevstack.conversationsplus.crypto.axolotl.XmppAxolotlMessage; +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.entities.FileParams; +import de.thedevstack.conversationsplus.entities.Message; +import de.thedevstack.conversationsplus.xml.Element; +import de.thedevstack.conversationsplus.xmpp.chatstate.ChatState; +import de.thedevstack.conversationsplus.xmpp.httpuploadim.HttpUploadHint; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; +import de.thedevstack.conversationsplus.xmpp.stanzas.MessagePacket; + +public class MessageGenerator extends AbstractGenerator { + + private MessagePacket preparePacket(Message message) { + 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 (ConversationsPlusPreferences.indicateReceived()) { + packet.addChild("request", "urn:xmpp:receipts"); + } + } else if (message.getType() == Message.TYPE_PRIVATE) { + packet.setTo(message.getCounterpart()); + packet.setType(MessagePacket.TYPE_CHAT); + if (ConversationsPlusPreferences.indicateReceived()) { + packet.addChild("request", "urn:xmpp:receipts"); + } + } else { + packet.setTo(message.getCounterpart().toBareJid()); + packet.setType(MessagePacket.TYPE_GROUPCHAT); + } + packet.setFrom(account.getJid()); + packet.setId(message.getUuid()); + if (message.edited()) { + packet.addChild("replace","urn:xmpp:message-correct:0").setAttribute("id",message.getEditedId()); + } + return packet; + } + + public 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 generateAxolotlChat(Message message, XmppAxolotlMessage axolotlMessage) { + MessagePacket packet = preparePacket(message); + if (axolotlMessage == null) { + return null; + } + packet.setAxolotlMessage(axolotlMessage.toElement()); + packet.addChild("store", "urn:xmpp:hints"); + return packet; + } + + public static void addXhtmlImImage(MessagePacket packet, FileParams params) { + Element html = packet.addChild("html", "http://jabber.org/protocol/xhtml-im"); + Element body = html.addChild("body", "http://www.w3.org/1999/xhtml"); + Element img = body.addChild("img"); + img.setAttribute("src", params.getUrl()); + img.setAttribute("height", params.getHeight()); + img.setAttribute("width", params.getWidth()); + } + + public static void addMessageHints(MessagePacket packet) { + packet.addChild("private", "urn:xmpp:carbons:2"); + packet.addChild("no-copy", "urn:xmpp:hints"); + packet.addChild("no-permanent-store", "urn:xmpp:hints"); + packet.addChild("no-permanent-storage", "urn:xmpp:hints"); //do not copy this. this is wrong. it is *store* + } + + public MessagePacket generateOtrChat(Message message) { + Session otrSession = message.getConversation().getOtrSession(); + if (otrSession == null) { + return null; + } + MessagePacket packet = preparePacket(message); + addMessageHints(packet); + try { + String content = message.getBody(); + packet.setBody(otrSession.transformSending(content)[0]); + return packet; + } catch (OtrException e) { + return null; + } + } + + public MessagePacket generateChat(Message message) { + MessagePacket packet = preparePacket(message); + String content; + if (message.hasFileOnRemoteHost()) { + FileParams fileParams = message.getFileParams(); + content = message.getBody(); + if (message.isHttpUploaded()) { + packet.addChild(new HttpUploadHint()); + } + packet.addChild("x","jabber:x:oob").addChild("url").setContent(content); + if (fileParams.getWidth() > 0 && fileParams.getHeight() > 0) { + addXhtmlImImage(packet, fileParams); + } + } else { + content = message.getBody(); + } + packet.setBody(content); + return packet; + } + + public MessagePacket generatePgpChat(Message message) { + MessagePacket packet = preparePacket(message); + packet.setBody("This is an XEP-0027 encrypted 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 generateChatState(Conversation conversation) { + final Account account = conversation.getAccount(); + MessagePacket packet = new MessagePacket(); + packet.setType(MessagePacket.TYPE_CHAT); + packet.setTo(conversation.getJid().toBareJid()); + packet.setFrom(account.getJid()); + packet.addChild(ChatState.toElement(conversation.getOutgoingChatState())); + packet.addChild("no-store", "urn:xmpp:hints"); + packet.addChild("no-storage", "urn:xmpp:hints"); //wrong! don't copy this. Its *store* + return packet; + } + + public MessagePacket confirm(final Account account, final Jid to, final String id) { + MessagePacket packet = new MessagePacket(); + packet.setType(MessagePacket.TYPE_CHAT); + packet.setTo(to); + packet.setFrom(account.getJid()); + 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.getJid().toBareJid()); + Element subjectChild = new Element("subject"); + subjectChild.setContent(subject); + packet.addChild(subjectChild); + packet.setFrom(conversation.getAccount().getJid().toBareJid()); + return packet; + } + + public MessagePacket directInvite(final Conversation conversation, final Jid contact) { + MessagePacket packet = new MessagePacket(); + packet.setType(MessagePacket.TYPE_NORMAL); + packet.setTo(contact); + packet.setFrom(conversation.getAccount().getJid()); + Element x = packet.addChild("x", "jabber:x:conference"); + x.setAttribute("jid", conversation.getJid().toBareJid().toString()); + return packet; + } + + public MessagePacket invite(Conversation conversation, Jid contact) { + MessagePacket packet = new MessagePacket(); + packet.setTo(conversation.getJid().toBareJid()); + packet.setFrom(conversation.getAccount().getJid()); + Element x = new Element("x"); + x.setAttribute("xmlns", "http://jabber.org/protocol/muc#user"); + Element invite = new Element("invite"); + invite.setAttribute("to", contact.toBareJid().toString()); + x.addChild(invite); + packet.addChild(x); + return packet; + } + + public MessagePacket received(Account account, MessagePacket originalMessage, ArrayList<String> namespaces, int type) { + MessagePacket receivedPacket = new MessagePacket(); + receivedPacket.setType(type); + receivedPacket.setTo(originalMessage.getFrom()); + receivedPacket.setFrom(account.getJid()); + for(String namespace : namespaces) { + receivedPacket.addChild("received", namespace).setAttribute("id", originalMessage.getId()); + } + return receivedPacket; + } + + public MessagePacket generateOtrError(Jid to, String id, String errorText) { + MessagePacket packet = new MessagePacket(); + packet.setType(MessagePacket.TYPE_ERROR); + packet.setAttribute("id",id); + packet.setTo(to); + Element error = packet.addChild("error"); + error.setAttribute("code","406"); + error.setAttribute("type","modify"); + error.addChild("not-acceptable","urn:ietf:params:xml:ns:xmpp-stanzas"); + error.addChild("text").setContent("?OTR Error:" + errorText); + return packet; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/generator/PresenceGenerator.java b/src/main/java/de/thedevstack/conversationsplus/generator/PresenceGenerator.java new file mode 100644 index 00000000..f370c6e0 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/generator/PresenceGenerator.java @@ -0,0 +1,62 @@ +package de.thedevstack.conversationsplus.generator; + +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Contact; +import de.thedevstack.conversationsplus.entities.Presence; +import de.thedevstack.conversationsplus.xml.Element; +import de.thedevstack.conversationsplus.xmpp.stanzas.PresencePacket; + +public class PresenceGenerator extends AbstractGenerator { + + private PresencePacket subscription(String type, Contact contact) { + PresencePacket packet = new PresencePacket(); + packet.setAttribute("type", type); + packet.setTo(contact.getJid()); + packet.setFrom(contact.getAccount().getJid().toBareJid()); + 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 selfPresence(Account account, Presence.Status status) { + PresencePacket packet = new PresencePacket(); + if(status.toShowString() != null) { + packet.addChild("show").setContent(status.toShowString()); + } + packet.setFrom(account.getJid()); + String sig = account.getPgpSignature(); + if (sig != null) { + 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://conversations.im"); + cap.setAttribute("ver", capHash); + } + return packet; + } + + public PresencePacket sendOfflinePresence(Account account) { + PresencePacket packet = new PresencePacket(); + packet.setFrom(account.getJid()); + packet.setAttribute("type","unavailable"); + return packet; + } +} |