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#include "stdafx.h"
#include "svcs_proto.h"
#include "striphtml.h"
#include "entities.h"
//TODO: Social-Millionaire-Dialoge
INT_PTR SVC_OTRSendMessage(WPARAM wParam,LPARAM lParam){
if(!lParam) return 0;
CCSDATA *ccs = (CCSDATA *) lParam;
DEBUGOUT_T("SENDING")
if (ccs->wParam & PREF_BYPASS_OTR) // bypass for OTR-messages
return CallService(MS_PROTO_CHAINSEND, wParam, lParam);
char *proto = (char *)CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM)ccs->hContact, 0);
if(proto && g_metaproto && strcmp(proto, g_metaproto) == 0) // bypass for metacontacts
return CallService(MS_PROTO_CHAINSEND, wParam, lParam);
if(!proto || !ccs->hContact) return 1; // error
gcry_error_t err;
char *newmessage = 0;
char *oldmessage = (char *)ccs->lParam;
char *oldmessage_utf = 0;
//MessageBox(0, "Send message - converting to UTF-8", "msg", MB_OK);
if(ccs->wParam & PREF_UTF) {
oldmessage_utf = oldmessage;
} else if(ccs->wParam & PREF_UNICODE) {
//TODO: check if this is correct or oldmessage[strlen(oldmessage)+1] is needed
//oldmessage_utf = mir_utf8encodeW((wchar_t*)oldmessage);
//should be the thing with strlen
oldmessage_utf = mir_utf8encodeW((wchar_t*)&oldmessage[strlen(oldmessage)+1]);
} else {
oldmessage_utf = mir_utf8encode(oldmessage);
}
if(!oldmessage_utf) return 1;
// don't filter OTR messages being sent (OTR messages should only happen *after* the otrl_message_sending call below)
if(strncmp(oldmessage_utf, "?OTR", 4) == 0) {
DEBUGOUT_T("OTR message without PREF_BYPASS_OTR")
if (!(ccs->wParam & PREF_UTF)) mir_free(oldmessage_utf);
return CallService(MS_PROTO_CHAINSEND, wParam, lParam);
}
char *tmpencode = NULL;
ConnContext *context = otrl_context_find_miranda(otr_user_state, (void*)ccs->hContact);
if (db_byte_get(ccs->hContact, MODULENAME, "HTMLConv", 0) && otr_context_get_trust(context) >= TRUST_UNVERIFIED) {
char *tmpencode = encode_html_entities_utf8(oldmessage_utf);
if (tmpencode != NULL) {
if (!(ccs->wParam & PREF_UTF)) mir_free(oldmessage_utf);
oldmessage_utf = tmpencode;
}
}
char *username = contact_get_id(ccs->hContact);
err = otrl_message_sending(otr_user_state, &ops, (void*)ccs->hContact,
proto, proto, username, oldmessage_utf, NULL, &newmessage,
add_appdata, (void*)ccs->hContact);
if (tmpencode!= NULL || !(ccs->wParam & PREF_UTF)) mir_free(oldmessage_utf);
oldmessage_utf = NULL;
mir_free(username);
if (err && newmessage == NULL) {
/* Be *sure* not to send out plaintext */
ShowError(TranslateT(LANG_ENCRYPTION_ERROR));
/* should not be needed
char t[3] = {0, 0, 0};
if(ccs->wParam & PREF_UNICODE) { //TODO!! lstrlen(pre->szMessage)+1 ??
if (strlen(oldmessage)) memcpy(oldmessage, t,3 );
} else {
if (strlen(oldmessage)) memcpy(oldmessage, t, 1);
}
*/
return 1;
} else if (newmessage) {
/* Fragment the message if necessary, and send all but the last
* fragment over the network. We will send the last segment later */
// oldmessage_utf is not used anymore, so use it as buffer
err = otrl_message_fragment_and_send(&ops, (void*)ccs->hContact, context,
newmessage, OTRL_FRAGMENT_SEND_ALL_BUT_LAST, &oldmessage_utf);
// newmessage is not needed anymore
otrl_message_free(newmessage);
// move the last fragment to newmessage, oldmessage_utf will be buffer later
newmessage = oldmessage_utf;
WPARAM oldflags = ccs->wParam;
if(ccs->wParam & PREF_UTF) {
ccs->lParam = (LPARAM)newmessage;
} else if(ccs->wParam & PREF_UNICODE) {
// just send UTF, hope that proto supports it.
// don't want to create the Unicode-Format
// oldmessage_utf = (char*)mir_utf8decodeW(newmessage);
ccs->lParam = (LPARAM)newmessage;
ccs->wParam &= ~PREF_UNICODE;
ccs->wParam |= PREF_UTF;
} else {
mir_utf8decode(newmessage, NULL);
ccs->lParam = (LPARAM)newmessage;
}
if (otr_context_get_trust(context) >= TRUST_UNVERIFIED) ccs->wParam;
INT_PTR ret = CallService(MS_PROTO_CHAINSEND, wParam, lParam);
/*#ifdef _DEBUG
if(ccs->wParam & PREF_UNICODE)
MessageBox(0, (wchar_t *)ccs->lParam, _T("OTR - sending raw message"), MB_OK);
else
MessageBoxA(0, (char *)ccs->lParam, ("OTR - sending raw message"), MB_OK);
#endif*/
// reset to original values
ccs->lParam = (LPARAM)oldmessage;
ccs->wParam = oldflags;
otrl_message_free(newmessage);
return ret;
}
return CallService(MS_PROTO_CHAINSEND, wParam, lParam);
}
INT_PTR SVC_OTRSendMessageW(WPARAM wParam, LPARAM lParam){
if(!lParam) return 0;
CCSDATA *ccs = (CCSDATA *) lParam;
if (!(ccs->wParam & PREF_UTF)) ccs->wParam |= PREF_UNICODE;
return SVC_OTRSendMessage(wParam, lParam);
}
/*
#define MESSAGE_PREFIX "(OTR) "
#define MESSAGE_PREFIXW L"(OTR) "
#define MESSAGE_PREFIX_LEN 6
*/
INT_PTR SVC_OTRRecvMessage(WPARAM wParam,LPARAM lParam){
//PUShowMessage("OTR Recv Message", SM_NOTIFY);
CCSDATA *ccs = (CCSDATA *) lParam;
PROTORECVEVENT *pre = (PROTORECVEVENT *) ccs->lParam;
#ifdef _DEBUG
if(pre->flags & PREF_UNICODE)
MessageBox(0, (wchar_t *)pre->szMessage, _T("OTR - receiving message"), MB_OK);
else
MessageBoxA(0, (char *)pre->szMessage, ("OTR - receiving message"), MB_OK);
#endif
if (pre->flags & PREF_BYPASS_OTR) { // bypass for our inline messages
return CallService(MS_PROTO_CHAINRECV, wParam, lParam);
}
char *proto = (char *)CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM)ccs->hContact, 0);
if(!proto)
return 1; //error
else if(proto && g_metaproto && strcmp(proto, g_metaproto) == 0) // bypass for metacontacts
return CallService(MS_PROTO_CHAINRECV, wParam, lParam);
if (!ccs->hContact) return 1; //error
char *oldmessage = pre->szMessage;
char *oldmessage_utf = NULL;
// convert oldmessage to utf-8
if(pre->flags & PREF_UTF) {
oldmessage_utf = oldmessage;
} else if(pre->flags & PREF_UNICODE) { //UNSURE!!
oldmessage_utf = mir_utf8encodeW((wchar_t*)(&oldmessage[strlen(oldmessage)+1]));
} else {
oldmessage_utf = mir_utf8encode(oldmessage);
}
if(!oldmessage_utf) return 1;
char *newmessage = NULL;
OtrlTLV *tlvs = NULL;
OtrlTLV *tlv = NULL;
BOOL ignore_msg;
ConnContext *context;
//NextExpectedSMP nextMsg;
char *uname = contact_get_id(ccs->hContact);
lib_cs_lock();
ignore_msg = otrl_message_receiving(otr_user_state, &ops, (void*)ccs->hContact,
proto, proto, uname, oldmessage_utf,
&newmessage, &tlvs, add_appdata, (void*)ccs->hContact);
lib_cs_unlock();
mir_free(uname);
if( !(pre->flags & PREF_UTF)) mir_free(oldmessage_utf);
oldmessage_utf = NULL;
tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED);
if (tlv) {
/* Notify the user that the other side disconnected. */
TCHAR buff[256];
mir_sntprintf(buff, 256, TranslateT(LANG_SESSION_TERMINATED_BY_OTR), contact_get_nameT(ccs->hContact));
//MessageBox(0, buff, Translate("OTR Information"), MB_OK);
ShowMessage((HANDLE)ccs->hContact, buff);
//if(options.timeout_finished) ResetFinishedTimer();
}
lib_cs_lock();
context = otrl_context_find_miranda(otr_user_state, ccs->hContact);
lib_cs_unlock();
/* Keep track of our current progress in the Socialist Millionaires'
* Protocol. */
/*
if (context && ( (context->smstate->sm_prog_state == OTRL_SMP_PROG_CHEATED) ||
otrl_tlv_find(tlvs, OTRL_TLV_SMP1Q) ||
otrl_tlv_find(tlvs, OTRL_TLV_SMP1) ||
otrl_tlv_find(tlvs, OTRL_TLV_SMP2) ||
otrl_tlv_find(tlvs, OTRL_TLV_SMP3) ||
otrl_tlv_find(tlvs, OTRL_TLV_SMP4) )
)
{
otr_abort_smp(context); // we do not support it (yet), notify partner to shorten wait time
}
*/
if (context) {
NextExpectedSMP nextMsg = context->smstate->nextExpected;
if (context->smstate->sm_prog_state == OTRL_SMP_PROG_CHEATED) {
otr_abort_smp(context);
//otrg_dialog_update_smp(context, 0.0);
SMPDialogUpdate(context, 0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
context->smstate->sm_prog_state = OTRL_SMP_PROG_OK;
} else {
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1Q);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT1)
otr_abort_smp(context);
else {
char *question = (char *)tlv->data;
char *eoq = (char*)memchr(question, '\0', tlv->len);
if (eoq) {
SMPDialogReply(context, question);
}
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT1)
otr_abort_smp(context);
else {
SMPDialogReply(context, NULL);
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP2);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT2)
otr_abort_smp(context);
else {
context->smstate->nextExpected = OTRL_SMP_EXPECT4;
SMPDialogUpdate(context, 60);
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP3);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT3)
otr_abort_smp(context);
else {
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
SMPDialogUpdate(context, 100);
//otrg_dialog_update_smp(context, 1.0);
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP4);
if (tlv) {
if (nextMsg != OTRL_SMP_EXPECT4)
otr_abort_smp(context);
else {
SMPDialogUpdate(context, 100);
//otrg_dialog_update_smp(context, 1.0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
}
}
tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP_ABORT);
if (tlv) {
SMPDialogUpdate(context, 0);
context->smstate->nextExpected = OTRL_SMP_EXPECT1;
}
}
}
otrl_tlv_free(tlvs);
/* If we're supposed to ignore this incoming message (because it's a
* protocol message), set it to NULL, so that other plugins that
* catch receiving-im-msg don't return 0, and cause it to be
* displayed anyway. */
if (ignore_msg) {
/* should not be required ;)
char t[3] = {0, 0, 0};
char t[3] = {0, 0, 0};
if(pre->flags & PREF_UNICODE) { //TODO!! lstrlen(pre->szMessage)+1 ??
if (pre->szMessage && strlen(pre->szMessage)) memcpy(pre->szMessage, t,3 );
} else {
if (pre->szMessage && strlen(pre->szMessage)) memcpy(pre->szMessage, t, 1);
}
*/
if (newmessage) otrl_message_free(newmessage);
return 1;
} else if (newmessage) {
//bool free=false;
DWORD flags = pre->flags;
/* if(pre->flags & PREF_UTF) {
oldmessage_utf = newmessage;
} else if(pre->flags & PREF_UNICODE) { //TODO!! lstrlen(pre->szMessage)+1 ??
oldmessage_utf = (char*)mir_utf8decodeW(newmessage);
free = true;
} else {
mir_utf8decode(newmessage, NULL);
oldmessage_utf = newmessage;
} */
//pre->szMessage = oldmessage_utf;
pre->flags &= ~PREF_UNICODE;
pre->flags |= PREF_UTF; // just use UTF, so we do not have to recode the message
bool is_miralloc = false;
if (context) {
TrustLevel level = otr_context_get_trust(context);
if (level >= TRUST_UNVERIFIED) {
char* premsg;
if (db_byte_get(ccs->hContact, MODULENAME, "HTMLConv", 0)) {
premsg = striphtml(newmessage);
otrl_message_free(newmessage);
newmessage = premsg;
is_miralloc = true;
}
if (options.prefix_messages) {
DWORD len = (strlen(options.prefix)+strlen(newmessage)+1)*sizeof(char);
premsg = (char*)mir_alloc( len );
memset(premsg, 0, len);
strcpy(premsg, options.prefix);
strcat(premsg, newmessage);
(is_miralloc) ? mir_free(newmessage) : otrl_message_free(newmessage);
newmessage = premsg;
is_miralloc = true;
}
}
}
pre->szMessage = newmessage;
BOOL ret = CallService(MS_PROTO_CHAINRECV, wParam, lParam);
pre->flags = flags;
pre->szMessage = oldmessage;
if (is_miralloc)
mir_free(newmessage);
else
otrl_message_free(newmessage);
// if (free) mir_free(oldmessage_utf);
return ret;
}
return CallService(MS_PROTO_CHAINRECV, wParam, lParam);
}
/* Abort the SMP protocol. Used when malformed or unexpected messages
* are received. */
void otr_abort_smp(ConnContext *context)
{
otrl_message_abort_smp(otr_user_state, &ops, context->app_data, context);
}
/* Start the Socialist Millionaires' Protocol over the current connection,
* using the given initial secret, and optionally a question to pass to
* the buddy. */
void otr_start_smp(ConnContext *context, const char *question,
const unsigned char *secret, size_t secretlen)
{
otrl_message_initiate_smp_q(otr_user_state, &ops, context->app_data,
context, question, secret, secretlen);
}
/* Continue the Socialist Millionaires' Protocol over the current connection,
* using the given initial secret (ie finish step 2). */
void otr_continue_smp(ConnContext *context,
const unsigned char *secret, size_t secretlen)
{
otrl_message_respond_smp(otr_user_state, &ops, context->app_data,
context, secret, secretlen);
}
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