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/*
Copyright (C) 2012-24 Miranda NG team (https://miranda-ng.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation version 2
of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
static int OnModulesLoaded(WPARAM, LPARAM)
{
for (auto &it : Accounts())
if (auto *pApi = getJabberApi(it->szModuleName)) {
auto *pAccount = new CJabberAccount(pApi);
g_arJabber.insert(pAccount);
pAccount->Init();
}
return 0;
}
static int OnAccountCreated(WPARAM reason, LPARAM param)
{
if (reason == PRAC_ADDED) {
auto *pa = (PROTOACCOUNT *)param;
if (auto *pApi = getJabberApi(pa->szModuleName)) {
auto *pAccount = new CJabberAccount(pApi);
g_arJabber.insert(pAccount);
pAccount->Init();
}
}
return 0;
}
static int OnSettingChanged(WPARAM hContact, LPARAM lParam)
{
if (!hContact) {
auto *pcws = (DBCONTACTWRITESETTING *)lParam;
if (!mir_strcmp(pcws->szSetting, "EnableVOIP")) {
for (auto &it : g_arJabber) {
if (!mir_strcmp(it->m_szModuleName, pcws->szModule)) {
it->InitVoip(pcws->value.bVal != 0);
break;
}
}
}
}
return 0;
}
void CJabberAccount::InitHooks()
{
HookEvent(ME_SYSTEM_MODULESLOADED, &OnModulesLoaded);
HookEvent(ME_PROTO_ACCLISTCHANGED, &OnAccountCreated);
HookEvent(ME_DB_CONTACT_SETTINGCHANGED, &OnSettingChanged);
}
///////////////////////////////////////////////////////////////////////////////
// Permanent IQ handler
static BOOL OnProcessJingle(struct IJabberInterface *api, const TiXmlElement *node, void *pUserData)
{
auto *pThis = (CJabberAccount *)pUserData;
auto *child = XmlGetChildByTag(node, "jingle", "xmlns", JABBER_FEAT_JINGLE);
if (!child)
return false;
const char *type = XmlGetAttr(node, "type");
if (type == nullptr)
return false;
const char *szAction = XmlGetAttr(child, "action");
const char *szSid = XmlGetAttr(child, "sid");
if (!mir_strcmp(type, "get") || !mir_strcmp(type, "set")) {
const char *idStr = XmlGetAttr(node, "id");
const char *from = XmlGetAttr(node, "from");
const char *szInitiator = XmlGetAttr(child, "initiator");
auto *content = XmlGetChildByTag(child, "content", "creator", "initiator");
if (szAction && szSid) {
if (!mir_strcmp(szAction, "session-initiate")) {
// if this is a Jingle 'session-initiate' and noone processed it yet, reply with "unsupported-applications"
api->SendXml(XmlNodeIq("result", idStr, from));
const TiXmlElement *descr = XmlGetChildByTag(content, "description", "xmlns", JABBER_FEAT_JINGLE_RTP);
const char *reason = NULL;
if (pThis->m_bEnableVOIP && descr) {
if (pThis->m_voipSession.IsEmpty()) {
pThis->m_voipSession = szSid;
pThis->m_voipPeerJid = from;
pThis->m_isOutgoing = false;
pThis->m_offerNode = child->DeepClone(&pThis->m_offerDoc)->ToElement();
//Make call GUI
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pThis->m_szModuleName;
vc.id = szSid; // Protocol specific ID for this call
vc.hContact = api->ContactFromJID(from); // Contact associated with the call (can be NULL)
vc.state = VOICE_STATE_RINGING;
vc.szNumber.a = pThis->m_voipPeerJid;
NotifyEventHooks(pThis->m_hVoiceEvent, WPARAM(&vc), 0);
// ringing message
XmlNodeIq iq("set", api->GetSerialNext(), from);
TiXmlElement *rjNode = iq << XCHILDNS("jingle", JABBER_FEAT_JINGLE);
rjNode << XATTR("action", "session-info") << XATTR("sid", szSid);
if (szInitiator)
rjNode << XATTR("initiator", szInitiator);
rjNode << XCHILDNS("ringing", "urn:xmpp:jingle:apps:rtp:info:1");
api->SendXml(iq);
return true;
}
// Save this event to history
DB::EventInfo dbei;
dbei.timestamp = (uint32_t)time(0);
dbei.pBlob = "** A call while we were busy **";
ProtoChainRecvMsg(api->ContactFromJID(from), dbei);
reason = "busy";
}
XmlNodeIq iq("set", api->GetSerialNext(), from);
TiXmlElement *jingleNode = iq << XCHILDNS("jingle", JABBER_FEAT_JINGLE);
jingleNode << XATTR("action", "session-terminate") << XATTR("sid", szSid);
if (szInitiator)
jingleNode << XATTR("initiator", szInitiator);
jingleNode << XCHILD("reason") << XCHILD(reason ? reason : "unsupported-applications");
api->SendXml(iq);
return true;
}
else if (!mir_strcmp(szAction, "session-accept")) {
if (pThis->m_bEnableVOIP && pThis->m_voipSession == szSid) {
api->SendXml(XmlNodeIq("result", idStr, from));
if (pThis->OnRTPDescription(child)) {
//Make call GUI
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pThis->m_szModuleName;
vc.id = szSid;
vc.hContact = api->ContactFromJID(from);
vc.state = VOICE_STATE_TALKING;
NotifyEventHooks(pThis->m_hVoiceEvent, WPARAM(&vc), 0);
}
return true;
}
}
else if (!mir_strcmp(szAction, "session-terminate")) {
if (pThis->m_bEnableVOIP && pThis->m_voipSession == szSid) {
// EndCall()
api->SendXml(XmlNodeIq("result", idStr, from));
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pThis->m_szModuleName;
vc.id = szSid;
vc.hContact = api->ContactFromJID(from);
vc.state = VOICE_STATE_ENDED;
NotifyEventHooks(pThis->m_hVoiceEvent, WPARAM(&vc), 0);
pThis->VOIPTerminateSession(nullptr);
return true;
}
}
else if (!mir_strcmp(szAction, "transport-info")) {
auto *transport = XmlGetChildByTag(content, "transport", "xmlns", JABBER_FEAT_JINGLE_ICEUDP);
if (pThis->m_bEnableVOIP && pThis->m_voipSession == szSid && transport) {
api->SendXml(XmlNodeIq("result", idStr, from));
if (const TiXmlElement *candidate = XmlFirstChild(transport, "candidate")) {
pThis->OnICECandidate(candidate);
return true;
}
}
}
}
// if it's something else than 'session-initiate' and noone processed it yet, reply with "unknown-session"
XmlNodeIq iq("error", idStr, from);
TiXmlElement *errNode = iq << XCHILD("error");
errNode << XATTR("type", "cancel");
errNode << XCHILDNS("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
errNode << XCHILDNS("unknown-session", "urn:xmpp:jingle:errors:1");
api->SendXml(iq);
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// Services
static INT_PTR __cdecl JabberVOIP_call(void *pThis, WPARAM hContact, LPARAM)
{
auto *pAcc = (CJabberAccount *)pThis;
if (pAcc->VOIPCallIinitiate(hContact)) {
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pAcc->m_szModuleName;
vc.id = pAcc->m_voipSession; // Protocol especific ID for this call
vc.hContact = hContact; // Contact associated with the call (can be NULL)
vc.state = VOICE_STATE_READY;
vc.szNumber.a = pAcc->m_voipPeerJid;
NotifyEventHooks(pAcc->m_hVoiceEvent, WPARAM(&vc), 0);
}
return 0;
}
static INT_PTR __cdecl JabberVOIP_answercall(void *pThis, WPARAM id, LPARAM)
{
auto *pAcc = (CJabberAccount *)pThis;
if (strcmp((const char *)id, pAcc->m_voipSession))
return 0;
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pAcc->m_szModuleName;
vc.hContact = pAcc->m_api->ContactFromJID(pAcc->m_voipPeerJid);// Contact associated with the call (can be NULL)
vc.szNumber.a = pAcc->m_voipPeerJid;
vc.id = pAcc->m_voipSession;
vc.state = VOICE_STATE_ENDED;
if (pAcc->VOIPCreatePipeline()) {
if (pAcc->m_isOutgoing)
vc.state = VOICE_STATE_CALLING;
else if (pAcc->OnRTPDescription(pAcc->m_offerNode))
vc.state = VOICE_STATE_TALKING;
else
pAcc->VOIPTerminateSession();
}
NotifyEventHooks(pAcc->m_hVoiceEvent, WPARAM(&vc), 0);
return 0;
}
static INT_PTR __cdecl JabberVOIP_dropcall(void *pThis, WPARAM id, LPARAM)
{
auto *pAcc = (CJabberAccount *)pThis;
VOICE_CALL vc = {};
vc.cbSize = sizeof(VOICE_CALL);
vc.moduleName = pAcc->m_szModuleName;
vc.id = (char *)id;
vc.state = VOICE_STATE_ENDED;
NotifyEventHooks(pAcc->m_hVoiceEvent, WPARAM(&vc), 0);
pAcc->VOIPTerminateSession();
return 0;
}
///////////////////////////////////////////////////////////////////////////////
// CJabberAccount members
CJabberAccount::CJabberAccount(IJabberInterface *_1) :
m_api(_1),
m_szModuleName(m_api->GetModuleName()),
m_bEnableVOIP(m_api->GetModuleName(), "EnableVOIP", false)
{
CMStringA tmp(m_szModuleName);
m_hVoiceEvent = CreateHookableEvent(tmp + PE_VOICE_CALL_STATE);
CreateServiceFunctionObj(tmp + PS_VOICE_CALL, &JabberVOIP_call, this);
CreateServiceFunctionObj(tmp + PS_VOICE_ANSWERCALL, &JabberVOIP_answercall, this);
CreateServiceFunctionObj(tmp + PS_VOICE_DROPCALL, &JabberVOIP_dropcall, this);
}
CJabberAccount::~CJabberAccount()
{
DestroyHookableEvent(m_hVoiceEvent);
if (m_bEnableVOIP)
InitVoip(false);
}
void CJabberAccount::Init()
{
m_api->RegisterFeature(JABBER_FEAT_JINGLE, LPGEN("Supports Jingle"), "jingle");
m_api->RegisterFeature(JABBER_FEAT_JINGLE_ICEUDP, LPGEN("Jingle ICE-UDP Transport"));
m_api->RegisterFeature(JABBER_FEAT_JINGLE_RTP, LPGEN("Jingle RTP"));
m_api->RegisterFeature(JABBER_FEAT_JINGLE_DTLS, LPGEN("Jingle DTLS"));
m_api->RegisterFeature(JABBER_FEAT_JINGLE_RTPAUDIO, LPGEN("Jingle RTP Audio"));
m_api->AddFeatures(JABBER_FEAT_JINGLE "\0" JABBER_FEAT_JINGLE_ICEUDP "\0" JABBER_FEAT_JINGLE_RTP "\0" JABBER_FEAT_JINGLE_DTLS "\0" JABBER_FEAT_JINGLE_RTPAUDIO "\0\0");
m_api->AddIqHandler(&OnProcessJingle, JABBER_IQ_TYPE_ANY, JABBER_FEAT_JINGLE, 0, this);
if (m_bEnableVOIP)
InitVoip(true);
}
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