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#include "common.h"
#include "filter.h"
#include "options.h"
#include "conv.h"
void LOG(char *message) {
#ifdef _DEBUG
PUShowMessage(message, SM_NOTIFY);
#endif
}
bool ContactIsOTREncrypted(HANDLE hContact) {
return (DBGetContactSettingByte(hContact, "OTR", "Encrypted", 0) != 0);
}
int FilterSendMessage(WPARAM wParam, LPARAM lParam) {
CCSDATA *ccs = (CCSDATA *) lParam;
char *old_message = (char *)ccs->lParam;
char *buf = 0;
if(options.filter_out) {
if((options.apply_to & ATF_ALL)
|| ((options.apply_to & ATF_OTR) && ContactIsOTREncrypted(ccs->hContact)))
{
if(ccs->wParam & PREF_UNICODE) {
wchar_t *messagew = (wchar_t *)&old_message[strlen(old_message)+1];
wchar_t* smsg=strip_carrots(messagew);
wchar_t* html_msg;
if(options.html) {
html_msg=bbcodes_to_html(smsg);
delete[] smsg;
} else
html_msg = smsg;
buf=(char *)malloc(wcslen(html_msg)*3+3);
WideCharToMultiByte( CP_ACP, 0,html_msg, -1,buf,wcslen(html_msg)+1, NULL, NULL);
memcpy(&buf[strlen(buf)+1],html_msg,lstrlen(buf)*2+2);
delete[] html_msg;
} else {
char* smsg=strip_carrots(old_message);
char* html_msg;
if(options.html) {
html_msg=bbcodes_to_html(smsg);
delete[] smsg;
} else
html_msg = smsg;
buf = strdup(html_msg);
delete[] html_msg;
}
ccs->lParam = (LPARAM)buf;
}
}
int ret = CallService(MS_PROTO_CHAINSEND, wParam, lParam);
ccs->lParam = (LPARAM)old_message;
if(buf) free(buf);
return ret;
}
int FilterSendMessageW(WPARAM wParam, LPARAM lParam) {
CCSDATA *ccs = (CCSDATA *) lParam;
ccs->wParam |= PREF_UNICODE;
return FilterSendMessage(wParam, lParam);
}
int FilterRecvMessage(WPARAM wParam, LPARAM lParam) {
CCSDATA *ccs = (CCSDATA *) lParam;
PROTORECVEVENT *pre = (PROTORECVEVENT *) ccs->lParam;
char *old_message = pre->szMessage;
char* buf = 0;
if(options.filter_in) {
if((options.apply_to & ATF_ALL)
|| ((options.apply_to & ATF_OTR) && ContactIsOTREncrypted(ccs->hContact)))
{
if(pre->flags & PREF_UNICODE) {
LOG("Recieved a unicode message.");
wchar_t *messagew = (wchar_t *)&old_message[strlen(old_message)+1];
//wchar_t* wbuf=(wchar_t*)&pre->szMessage[lstrlen(pre->szMessage)+1];
wchar_t* st_wbuf;
if(options.bbcodes)
{
LOG("Converting from html to bbcodes then stripping leftover html.(U)");
wchar_t* bbuf=html_to_bbcodes(messagew);
st_wbuf=strip_html(bbuf);
delete[] bbuf;
}
else
{
LOG("Stripping html.(U)");
st_wbuf=strip_html(messagew);
}
//delete[] pre->szMessage; not necessary - done in server.cpp
buf=(char *)malloc(wcslen(st_wbuf)*3+3);
WideCharToMultiByte( CP_ACP, 0,st_wbuf, -1,buf,wcslen(st_wbuf)+1, NULL, NULL);
memcpy(&buf[strlen(buf)+1],st_wbuf,lstrlen(buf)*2+2);
delete[] st_wbuf;
pre->szMessage = buf;
} else {
LOG("Recieved a non-unicode message.");
if(options.bbcodes)
{
LOG("Converting from html to bbcodes then stripping leftover html.");
char* bbuf=html_to_bbcodes(pre->szMessage);
buf=strip_html(bbuf);
delete[] bbuf;
}
else
{
LOG("Stripping html.");
buf=strip_html(pre->szMessage);
}
pre->szMessage = buf;
}
}
}
int ret = CallService(MS_PROTO_CHAINRECV, wParam, lParam);
pre->szMessage = old_message;
if(buf) free(buf);
return ret;
}
int NewContact(WPARAM wParam, LPARAM lParam) {
// add filter
HANDLE hContact = (HANDLE)wParam;
CallService( MS_PROTO_ADDTOCONTACT, ( WPARAM )hContact, ( LPARAM )MODULE );
return 0;
}
void RegisterFilter() {
PROTOCOLDESCRIPTOR pd = {0};
pd.cbSize = sizeof(pd);
pd.szName = MODULE "Filter";
// TODO: modify this to reflect the purpose of your plugin
pd.type = PROTOTYPE_FILTER;
CallService(MS_PROTO_REGISTERMODULE,0,(LPARAM)&pd);
}
HANDLE hEventNewContact;
#define NUM_FILTER_SERVICES 3
HANDLE hServices[NUM_FILTER_SERVICES];
void AddFilterToContacts() {
// this adds us as a filter to all existing and new contacts
// TODO: modify this (and the NewContact function above) to include only the contacts required
HANDLE hContact = ( HANDLE )CallService( MS_DB_CONTACT_FINDFIRST, 0, 0 );
while ( hContact != NULL ) {
CallService( MS_PROTO_ADDTOCONTACT, ( WPARAM )hContact, ( LPARAM )(MODULE "Filter"));
hContact = ( HANDLE )CallService( MS_DB_CONTACT_FINDNEXT,( WPARAM )hContact, 0 );
}
hEventNewContact = HookEvent(ME_DB_CONTACT_ADDED, NewContact);
}
void CreateFilterServices() {
// create our services
int i = 0;
hServices[i++] = CreateProtoServiceFunction(MODULE "Filter", PSS_MESSAGE, FilterSendMessage);
hServices[i++] = CreateProtoServiceFunction(MODULE "Filter", PSS_MESSAGE"W", FilterSendMessageW);
hServices[i++] = CreateProtoServiceFunction(MODULE "Filter", PSR_MESSAGE, FilterRecvMessage);
// remember to modify the NUM_FILTER_SERVICES #define above if you add more services!
}
void DeinitFilter() {
UnhookEvent(hEventNewContact);
for(int i = 0; i < NUM_FILTER_SERVICES; i++)
DestroyServiceFunction(hServices[i]);
}
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