ref(omemo): add qomemo/variant

qomemo/CMakeLists.txt

@@ -1,4 +1,8 @@
 target_sources(squawk PRIVATE
+  bundle.cpp
+  bundle.h
+  device.cpp
+  device.h
   device_key_storage.cpp
   device_key_storage.h
   device_service.cpp
@@ -13,4 +17,6 @@ target_sources(squawk PRIVATE
   user_device_list.h
   qxmpp_omemo_manager.cpp
   qxmpp_omemo_manager.h
-  )
+  )
+
+add_subdirectory(variant)

qomemo/bundle.cpp

@@ -0,0 +1,126 @@
+/*
+ * Created by victoria on 2021-05-12.
+ */
+
+#include "bundle.h"
+
+#include <QXmppPubSubIq.h>
+
+#include <QDebug>
+
+#include "shared/qxmppfactories.h"
+
+using namespace QXmpp::Factories;
+
+QXmppElement QXmpp::Omemo::PreKey::toXml() const {
+  auto pk = createElement("preKeyPublic");
+  pk.setAttribute("preKeyId", QString::number(id));
+  // TODO: Base64
+  pk.setValue(data);
+
+  return pk;
+}
+
+void QXmpp::Omemo::PreKey::fromXml(const QXmppElement &element) {
+  if (!elementMatches(element, "preKeyPublic"))
+    return;
+
+  id = element.attribute("preKeyId").toInt();
+  // TODO: Base64
+  data = element.value();
+}
+
+QXmppElement QXmpp::Omemo::Bundle::toXml() const {
+  auto spkNode = createElement("signedPreKeyPublic");
+  spkNode.setAttribute("signedPreKeyId", QString::number(spkId));
+  spkNode.setValue(spk);
+
+  auto spksNode = createElement("signedPreKeySignature");
+  spksNode.setValue(spks);
+
+  auto ikNode = createElement("identityKey");
+  ikNode.setValue(ik);
+
+  auto prekeysNode = createElement("prekeys");
+  for (const auto &pk : prekeys) {
+    prekeysNode.appendChild(pk.toXml());
+  }
+
+  auto result = createElement("bundle", "eu.siacs.conversations.axolotl");
+  result.appendChild(spkNode);
+  result.appendChild(spksNode);
+  result.appendChild(ikNode);
+  result.appendChild(prekeysNode);
+
+  return result;
+}
+
+QXmppIq QXmpp::Omemo::Bundle::toIq(int deviceId) const {
+  QXmppIq iq{};
+
+  iq.setType(QXmppIq::Set);
+
+  auto item = createElement("item");
+  item.appendChild(toXml());
+
+  auto publish = createElement("publish");
+  publish.setAttribute("node", QString("eu.siacs.conversations.axolotl.bundles:%s").arg(deviceId));
+  publish.appendChild(item);
+
+  auto pubSub = createElement("pubsub", "http://jabber.org/protocol/pubsub");
+  pubSub.appendChild(publish);
+  pubSub.appendChild(createOpenPublishOptions());
+
+  iq.extensions().push_back(pubSub);
+
+  return iq;
+}
+
+void QXmpp::Omemo::Bundle::fromXml(const QXmppElement &element) {
+  if (!elementMatches(element, "bundle", "eu.siacs.conversations.axolotl"))
+    return;
+
+  auto spkNode = element.firstChildElement("spk");
+  if (spkNode.isNull()) {
+    qWarning() << "'bundle': missing 'spk'";
+    return;
+  }
+  spk = spkNode.value();
+  spkId = spkNode.attribute("id").toInt();
+
+  auto spksNode = element.firstChildElement("spks");
+  if (spksNode.isNull()) {
+    qWarning() << "'bundle': missing 'spks'";
+    return;
+  }
+  spks = spksNode.value();
+
+  auto ikNode = element.firstChildElement("ik");
+  if (ikNode.isNull()) {
+    qWarning() << "'bundle': missing 'ik'";
+    return;
+  }
+  ik = ikNode.value();
+
+  auto prekeysNode = element.firstChildElement("prekeys");
+  auto pkNode = prekeysNode.firstChildElement("pk");
+
+  prekeys.clear();
+  while (!pkNode.isNull()) {
+    PreKey pk{};
+    pk.fromXml(pkNode);
+    prekeys.push_back(pk);
+  }
+}
+
+QXmppPubSubIq QXmpp::Omemo::Bundle::fetchDeviceBundleIq(int deviceId) {
+  QXmppPubSubIq iq{};
+  iq.setType(QXmppIq::Get);
+  iq.setQueryNode(QString("eu.siacs.conversations.axolotl.bundles:%1").arg(deviceId));
+
+  QXmppPubSubItem item{};
+  item.setId(QString::number(deviceId));
+  iq.setItems({item});
+
+  return iq;
+}

qomemo/bundle.h

@@ -0,0 +1,41 @@
+/*
+ * Created by victoria on 2021-05-12.
+ */
+
+#pragma once
+
+#include <QList>
+#include <QString>
+
+class QXmppPubSubIq;
+class QXmppElement;
+class QXmppIq;
+
+namespace QXmpp::Omemo {
+
+class PreKey {
+public:
+  [[nodiscard]] QXmppElement toXml() const;
+  /// Expects a <pk>
+  void fromXml(const QXmppElement &element);
+
+  int id;
+  QString data;
+};
+
+class Bundle {
+public:
+  [[nodiscard]] static QXmppPubSubIq fetchDeviceBundleIq(int deviceId);
+
+  [[nodiscard]] QXmppElement toXml() const;
+  [[nodiscard]] QXmppIq toIq(int deviceId) const;
+  void fromXml(const QXmppElement &element);
+
+  QString spk;
+  int spkId;
+  QString spks;
+  QString ik;
+  QList<PreKey> prekeys;
+};
+
+}

qomemo/device.cpp

@@ -0,0 +1,5 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#include "device.h"

qomemo/device.h

@@ -0,0 +1,24 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#pragma once
+
+#include <QList>
+
+class QXmppElement;
+class QXmppIq;
+
+namespace QXmpp::Omemo {
+
+class Device {
+public:
+  int id;
+};
+
+class DeviceList {
+public:
+  QList<Device> devices;
+};
+
+} // namespace QXmpp::Omemo

qomemo/device_service.cpp

@@ -3,6 +3,7 @@
  */
 
 #include "device_service.h"
+#include "device.h"
 
 QXmpp::Omemo::DeviceService::DeviceService(QObject *parent) : QObject(parent) {}
 

qomemo/device_service.h

@@ -11,6 +11,8 @@
 
 namespace QXmpp::Omemo {
 
+class DeviceList;
+
 class DeviceService : public QObject {
   Q_OBJECT
 

qomemo/qomemo.cpp

@@ -12,180 +12,6 @@
 
 using namespace QXmpp::Factories;
 
-QXmppElement QXmpp::Omemo::DeviceList::toXml() const {
-  auto element = createElement("list", "eu.siacs.conversations.axolotl");
-
-  for (const auto &d : devices) {
-    element.appendChild(d.toXml());
-  }
-
-  return element;
-}
-
-QXmppIq QXmpp::Omemo::DeviceList::toIq() const {
-  QXmppIq iq{};
-
-  iq.setType(QXmppIq::Set);
-
-  auto item = createElement("item");
-  item.appendChild(toXml());
-
-  auto publish = createElement("publish");
-  publish.setAttribute("node", "eu.siacs.conversations.axolotl.devicelist");
-  publish.appendChild(item);
-
-  auto pubSub = createElement("pubsub", "http://jabber.org/protocol/pubsub");
-  pubSub.appendChild(publish);
-  pubSub.appendChild(createOpenPublishOptions());
-
-  iq.extensions().push_back(pubSub);
-
-  return iq;
-}
-
-void QXmpp::Omemo::DeviceList::fromXml(const QXmppElement &element) {
-  if (!elementMatches(element, "list", "eu.siacs.conversations.axolotl"))
-    return;
-
-  devices.clear();
-
-  auto deviceElement = element.firstChildElement("device");
-  while (!deviceElement.isNull()) {
-    Device device{};
-    device.fromXml(deviceElement);
-    devices.push_back(device);
-
-    deviceElement = deviceElement.nextSiblingElement("device");
-  }
-}
-
-QXmppElement QXmpp::Omemo::Device::toXml() const {
-  auto result = createElement("device");
-  result.setAttribute("id", QString::number(id));
-
-  return result;
-}
-
-void QXmpp::Omemo::Device::fromXml(const QXmppElement &element) {
-  if (!elementMatches(element, "device"))
-    return;
-
-  id = element.attribute("id").toInt();
-}
-
-QXmppElement QXmpp::Omemo::PreKey::toXml() const {
-  auto pk = createElement("preKeyPublic");
-  pk.setAttribute("preKeyId", QString::number(id));
-  // TODO: Base64
-  pk.setValue(data);
-
-  return pk;
-}
-
-void QXmpp::Omemo::PreKey::fromXml(const QXmppElement &element) {
-  if (!elementMatches(element, "preKeyPublic"))
-    return;
-
-  id = element.attribute("preKeyId").toInt();
-  // TODO: Base64
-  data = element.value();
-}
-
-QXmppElement QXmpp::Omemo::Bundle::toXml() const {
-  auto spkNode = createElement("signedPreKeyPublic");
-  spkNode.setAttribute("signedPreKeyId", QString::number(spkId));
-  spkNode.setValue(spk);
-
-  auto spksNode = createElement("signedPreKeySignature");
-  spksNode.setValue(spks);
-
-  auto ikNode = createElement("identityKey");
-  ikNode.setValue(ik);
-
-  auto prekeysNode = createElement("prekeys");
-  for (const auto &pk : prekeys) {
-    prekeysNode.appendChild(pk.toXml());
-  }
-
-  auto result = createElement("bundle", "eu.siacs.conversations.axolotl");
-  result.appendChild(spkNode);
-  result.appendChild(spksNode);
-  result.appendChild(ikNode);
-  result.appendChild(prekeysNode);
-
-  return result;
-}
-
-QXmppIq QXmpp::Omemo::Bundle::toIq(int deviceId) const {
-  QXmppIq iq{};
-
-  iq.setType(QXmppIq::Set);
-
-  auto item = createElement("item");
-  item.appendChild(toXml());
-
-  auto publish = createElement("publish");
-  publish.setAttribute("node", QString("eu.siacs.conversations.axolotl.bundles:%s").arg(deviceId));
-  publish.appendChild(item);
-
-  auto pubSub = createElement("pubsub", "http://jabber.org/protocol/pubsub");
-  pubSub.appendChild(publish);
-  pubSub.appendChild(createOpenPublishOptions());
-
-  iq.extensions().push_back(pubSub);
-
-  return iq;
-}
-
-void QXmpp::Omemo::Bundle::fromXml(const QXmppElement &element) {
-  if (!elementMatches(element, "bundle", "eu.siacs.conversations.axolotl"))
-    return;
-
-  auto spkNode = element.firstChildElement("spk");
-  if (spkNode.isNull()) {
-    qWarning() << "'bundle': missing 'spk'";
-    return;
-  }
-  spk = spkNode.value();
-  spkId = spkNode.attribute("id").toInt();
-
-  auto spksNode = element.firstChildElement("spks");
-  if (spksNode.isNull()) {
-    qWarning() << "'bundle': missing 'spks'";
-    return;
-  }
-  spks = spksNode.value();
-
-  auto ikNode = element.firstChildElement("ik");
-  if (ikNode.isNull()) {
-    qWarning() << "'bundle': missing 'ik'";
-    return;
-  }
-  ik = ikNode.value();
-
-  auto prekeysNode = element.firstChildElement("prekeys");
-  auto pkNode = prekeysNode.firstChildElement("pk");
-
-  prekeys.clear();
-  while (!pkNode.isNull()) {
-    PreKey pk{};
-    pk.fromXml(pkNode);
-    prekeys.push_back(pk);
-  }
-}
-
-QXmppPubSubIq QXmpp::Omemo::Bundle::fetchDeviceBundleIq(int deviceId) {
-  QXmppPubSubIq iq{};
-  iq.setType(QXmppIq::Get);
-  iq.setQueryNode(QString("eu.siacs.conversations.axolotl.bundles:%1").arg(deviceId));
-
-  QXmppPubSubItem item{};
-  item.setId(QString::number(deviceId));
-  iq.setItems({item});
-
-  return iq;
-}
-
 QXmppElement QXmpp::Omemo::EncryptedMessage::header() const {
   auto result = createElement("header");
   result.setAttribute("sid", QString::number(fromDeviceId));

qomemo/qomemo.h

@@ -11,49 +11,6 @@
 
 namespace QXmpp::Omemo {
 
-class Device {
-public:
-  [[nodiscard]] QXmppElement toXml() const;
-  void fromXml(const QXmppElement &element);
-
-  int id;
-};
-
-class DeviceList {
-public:
-  [[nodiscard]] QXmppElement toXml() const;
-  [[nodiscard]] QXmppIq toIq() const;
-  /// Expects a urn:xmpp:omemo:1:devices node
-  void fromXml(const QXmppElement &element);
-
-  QList<Device> devices;
-};
-
-class PreKey {
-public:
-  [[nodiscard]] QXmppElement toXml() const;
-  /// Expects a <pk>
-  void fromXml(const QXmppElement &element);
-
-  int id;
-  QString data;
-};
-
-class Bundle {
-public:
-  [[nodiscard]] static QXmppPubSubIq fetchDeviceBundleIq(int deviceId);
-
-  [[nodiscard]] QXmppElement toXml() const;
-  [[nodiscard]] QXmppIq toIq(int deviceId) const;
-  void fromXml(const QXmppElement &element);
-
-  QString spk;
-  int spkId;
-  QString spks;
-  QString ik;
-  QList<PreKey> prekeys;
-};
-
 class MessageKey {
 public:
   [[nodiscard]] QXmppElement toXml() const;

qomemo/qxmpp_omemo_manager.cpp

@@ -4,13 +4,18 @@
 
 #include "qxmpp_omemo_manager.h"
 
+#include "device.h"
+#include "variant/conversations.h"
+
 #include <QDomElement>
 
 #include <QXmppClient.h>
 #include <QXmppPubSubIq.h>
 #include <iostream>
 
-QXmpp::Omemo::Manager::Manager() : deviceService(new QXmpp::Omemo::DeviceService(this)) {
+using namespace QXmpp::Omemo;
+
+Manager::Manager() : deviceService(new DeviceService(this)), omemoVariant(new Variant::Conversations) {
   connect(this, &Manager::deviceListReceived, deviceService.get(), &DeviceService::onDeviceListReceived);
 }
 
@@ -31,8 +36,7 @@ bool QXmpp::Omemo::Manager::handleStanza(const QDomElement &stanza) {
           if (!item.isNull()) {
             auto list = item.firstChildElement("list");
             if (!list.isNull()) {
-              DeviceList deviceList{};
-              deviceList.fromXml(list);
+              DeviceList deviceList = omemoVariant->deviceListFromXml(list);
               emit deviceListReceived(stanza.attribute("from"), deviceList);
 
               return true;

qomemo/qxmpp_omemo_manager.h

@@ -6,6 +6,7 @@
 
 #include "device_service.h"
 #include "qomemo.h"
+#include "variant/omemo_base.h"
 
 #include <QXmppClientExtension.h>
 
@@ -24,13 +25,14 @@ public slots:
   void fetchOwnDevices();
 
 signals:
-  void deviceListReceived(const QString& jid, const DeviceList& list);
+  void deviceListReceived(const QString &jid, const DeviceList &list);
 
 protected:
   void setClient(QXmppClient *client) override;
 
 private:
   QScopedPointer<DeviceService> deviceService;
+  QScopedPointer<Variant::Base> omemoVariant;
 };
 
 } // namespace QXmpp::Omemo

qomemo/variant/CMakeLists.txt

@@ -0,0 +1 @@
+target_sources(squawk PRIVATE xep0384.cpp xep0384.h conversations.cpp conversations.h omemo_base.cpp omemo_base.h)

qomemo/variant/conversations.cpp

@@ -0,0 +1,78 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#include "conversations.h"
+
+#include "qomemo/device.h"
+#include "shared/qxmppfactories.h"
+
+#include <QXmppIq.h>
+
+using namespace QXmpp::Omemo;
+using namespace QXmpp::Factories;
+
+QXmppElement Variant::Conversations::deviceToXml(const Device &device) {
+  auto result = createElement("device");
+  result.setAttribute("id", QString::number(device.id));
+
+  return result;
+}
+
+Device Variant::Conversations::deviceFromXml(const QXmppElement &xml) {
+  Device result{};
+
+  if (!elementMatches(xml, "device"))
+    return result;
+
+  result.id = xml.attribute("id").toInt();
+
+  return result;
+}
+
+QXmppElement
+Variant::Conversations::deviceListToXml(const DeviceList &deviceList) {
+  auto element = createElement("list", "eu.siacs.conversations.axolotl");
+
+  for (const auto &device : deviceList.devices) {
+    element.appendChild(deviceToXml(device));
+  }
+
+  return element;
+}
+
+DeviceList Variant::Conversations::deviceListFromXml(const QXmppElement &xml) {
+  DeviceList result{};
+
+  if (!elementMatches(xml, "list", "eu.siacs.conversations.axolotl"))
+    return result;
+
+  auto deviceElement = xml.firstChildElement("device");
+  while (!deviceElement.isNull()) {
+    result.devices.push_back(deviceFromXml(deviceElement));
+    deviceElement = deviceElement.nextSiblingElement("device");
+  }
+
+  return result;
+}
+
+QXmppIq Variant::Conversations::deviceListSetIq(const DeviceList &deviceList) {
+  QXmppIq iq{};
+
+  iq.setType(QXmppIq::Set);
+
+  auto item = createElement("item");
+  item.appendChild(deviceListToXml(deviceList));
+
+  auto publish = createElement("publish");
+  publish.setAttribute("node", "eu.siacs.conversations.axolotl.devicelist");
+  publish.appendChild(item);
+
+  auto pubSub = createElement("pubsub", "http://jabber.org/protocol/pubsub");
+  pubSub.appendChild(publish);
+  pubSub.appendChild(createOpenPublishOptions());
+
+  iq.extensions().push_back(pubSub);
+
+  return iq;
+}

qomemo/variant/conversations.h

@@ -0,0 +1,23 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#pragma once
+
+#include "omemo_base.h"
+
+namespace QXmpp::Omemo::Variant {
+
+class Conversations : public Base {
+public:
+  ~Conversations() override = default;
+
+  QXmppElement deviceToXml(const Device &device) override;
+  Device deviceFromXml(const QXmppElement &xml) override;
+
+  QXmppElement deviceListToXml(const DeviceList &deviceList) override;
+  DeviceList deviceListFromXml(const QXmppElement &xml) override;
+  QXmppIq deviceListSetIq(const DeviceList &deviceList) override;
+};
+
+} // namespace QXmpp::Omemo::Variant

qomemo/variant/omemo_base.cpp

@@ -0,0 +1,5 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#include "omemo_base.h"

qomemo/variant/omemo_base.h

@@ -0,0 +1,31 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#pragma once
+
+class QXmppElement;
+class QXmppIq;
+
+namespace QXmpp::Omemo {
+
+class Device;
+class DeviceList;
+
+namespace Variant {
+
+class Base {
+public:
+  virtual ~Base() = default;
+
+  virtual QXmppElement deviceToXml(const Device& device) = 0;
+  virtual Device deviceFromXml(const QXmppElement& xml) = 0;
+
+  virtual QXmppElement deviceListToXml(const DeviceList& deviceList) = 0;
+  virtual DeviceList deviceListFromXml(const QXmppElement& xml) = 0;
+  virtual QXmppIq deviceListSetIq(const DeviceList& deviceList) = 0;
+};
+
+} // namespace Variant
+
+} // namespace QXmpp::Omemo

qomemo/variant/xep0384.cpp

@@ -0,0 +1,5 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#include "xep0384.h"

qomemo/variant/xep0384.h

@@ -0,0 +1,7 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#pragma once
+
+namespace QXmpp::Omemo {}