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#include "common.h"
#include "tox_dns.h"
ToxHexAddress ResolveToxAddressFromDnsRecordV1(const std::string &dnsRecord)
{
std::smatch match;
std::regex regex("^v=tox1;id=([A-Fa-f0-9]{76})(;sign=(\\S+))?$");
if (std::regex_search(dnsRecord, match, regex))
{
return match[1];
}
return ToxHexAddress::Empty();
}
ToxHexAddress ResolveToxAddressFromDnsRecordV2(const std::string &dnsRecord)
{
// unsupported
/*std::smatch match;
std::regex regex("^v=tox2;pub=([A-Fa-f0-9]{64});check=([A-Fa-f0-9]{8});sign=(\\S+))?$");
if (std::regex_search(dnsRecord, match, regex))
{
}*/
return ToxHexAddress::Empty();
}
ToxHexAddress ResolveToxAddressFromDnsRecordV3(void *dns, uint32_t requestId, const std::string &dnsRecord)
{
std::smatch match;
std::regex regex("^v=tox3;id=([a-z0-5.]+)$");
if (std::regex_search(dnsRecord, match, regex))
{
std::string id = match[1];
uint8_t data[TOX_FRIEND_ADDRESS_SIZE];
if (tox_decrypt_dns3_TXT(dns, data, (uint8_t*)id.c_str(), id.length(), requestId) != TOX_ERROR)
{
return ToxHexAddress(data, TOX_FRIEND_ADDRESS_SIZE);
}
}
return ToxHexAddress::Empty();
}
void CToxProto::SearchByNameAsync(void *arg)
{
char *query = (char*)arg;
char *name = strtok(query, "@");
char *domain = strtok(NULL, "");
int resolved = 0;
for (size_t i = 0; i < SIZEOF(dns_servers); i++)
{
struct dns_server *server = &dns_servers[i];
if (domain == NULL || mir_strcmpi(domain, server->domain) == 0)
{
void *dns = tox_dns3_new(server->key);
uint32_t requestId = 0;
uint8_t dnsString[MAX_PATH];
int length = tox_generate_dns3_string(dns, dnsString, sizeof(dnsString), &requestId, (uint8_t*)name, mir_strlen(name));
if (length != TOX_ERROR)
{
dnsString[length] = 0;
char dnsQuery[MAX_PATH * 2];
mir_snprintf(dnsQuery, SIZEOF(dnsQuery), "_%s._tox.%s", dnsString, server->domain);
DNS_RECORDA *record = NULL;
DNS_STATUS status = DnsQuery_A(dnsQuery, DNS_TYPE_TEXT, 0, NULL, (PDNS_RECORD*)&record, NULL);
while (status == ERROR_SUCCESS && record)
{
DNS_TXT_DATAA *txt = &record->Data.Txt;
if (record->wType == DNS_TYPE_TEXT && txt->dwStringCount)
{
ToxHexAddress address = ResolveToxAddressFromDnsRecordV3(dns, requestId, txt->pStringArray[0]);
if (!address.IsEmpty())
{
PROTOSEARCHRESULT psr = { sizeof(PROTOSEARCHRESULT) };
psr.flags = PSR_TCHAR;
psr.id = mir_a2t(address);
psr.nick = mir_utf8decodeT(name);
TCHAR email[MAX_PATH];
mir_sntprintf(email, SIZEOF(email), _T("%s@%s"), psr.nick, _A2T(server->domain));
psr.email = mir_tstrdup(email);
ProtoBroadcastAck(NULL, ACKTYPE_SEARCH, ACKRESULT_DATA, (HANDLE)1, (LPARAM)&psr);
resolved++;
break;
}
}
record = record->pNext;
}
DnsRecordListFree((PDNS_RECORD*)record, DnsFreeRecordList);
}
tox_dns3_kill(dns);
}
}
if (resolved == 0 && domain)
{
char dnsQuery[MAX_PATH];
mir_snprintf(dnsQuery, SIZEOF(dnsQuery), "%s._tox.%s", name, domain);
DNS_RECORDA *record = NULL;
DNS_STATUS status = DnsQuery_A(dnsQuery, DNS_TYPE_TEXT, DNS_QUERY_STANDARD, NULL, (PDNS_RECORD*)&record, NULL);
while (status == ERROR_SUCCESS && record)
{
DNS_TXT_DATAA *txt = &record->Data.Txt;
if (record->wType == DNS_TYPE_TEXT && txt->dwStringCount)
{
ToxHexAddress address = ResolveToxAddressFromDnsRecordV1(txt->pStringArray[0]);
if (!address.IsEmpty())
{
PROTOSEARCHRESULT psr = { sizeof(PROTOSEARCHRESULT) };
psr.flags = PSR_TCHAR;
psr.id = mir_a2t(address);
psr.nick = mir_utf8decodeT(name);
TCHAR email[MAX_PATH];
mir_sntprintf(email, SIZEOF(email), _T("%s@%s"), psr.nick, _A2T(domain));
psr.email = mir_tstrdup(email);
ProtoBroadcastAck(NULL, ACKTYPE_SEARCH, ACKRESULT_DATA, (HANDLE)1, (LPARAM)&psr);
resolved++;
break;
}
}
record = record->pNext;
}
DnsRecordListFree((PDNS_RECORD*)record, DnsFreeRecordList);
}
ProtoBroadcastAck(NULL, ACKTYPE_SEARCH, ACKRESULT_SUCCESS, (HANDLE)1, 0);
mir_free(arg);
}
void CToxProto::SearchFailedAsync(void*)
{
ProtoBroadcastAck(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, (HWND)1, 0);
}
INT_PTR CToxProto::SearchDlgProc(HWND hwnd, UINT uMsg, WPARAM, LPARAM lParam)
{
CToxProto *proto = (CToxProto*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (uMsg)
{
case WM_INITDIALOG:
TranslateDialogDefault(hwnd);
{
proto = (CToxProto*)lParam;
SetWindowLongPtr(hwnd, GWLP_USERDATA, lParam);
//ShowWindow(GetDlgItem(GetParent(hwnd), 1408/*IDC_BYCUSTOM*/), SW_HIDE);
//ShowWindow(GetDlgItem(GetParent(hwnd), 1402/*IDC_ADVANCEDGROUP*/), SW_HIDE);
SetDlgItemText(GetParent(hwnd), 1408/*IDC_BYCUSTOM*/, TranslateT("Query"));
}
return TRUE;
}
return FALSE;
}
HWND CToxProto::OnSearchAdvanced(HWND owner)
{
if (!IsOnline())
{
// we cannot add someone to friend list while tox is offline
return NULL;
}
std::smatch match;
std::regex regex("^\\s*([A-Fa-f0-9]{76})\\s*$");
TCHAR text[MAX_PATH];
GetDlgItemText(owner, IDC_SEARCH, text, SIZEOF(text));
const std::string query = ptrA(mir_utf8encodeT(text));
if (std::regex_search(query, match, regex))
{
std::string address = match[1];
PROTOSEARCHRESULT psr = { sizeof(psr) };
psr.flags = PSR_TCHAR;
psr.id = mir_a2t(query.c_str());
ADDCONTACTSTRUCT acs = { HANDLE_SEARCHRESULT };
acs.szProto = m_szModuleName;
acs.psr = &psr;
CallService(MS_ADDCONTACT_SHOW, (WPARAM)owner, (LPARAM)&acs);
ForkThread(&CToxProto::SearchFailedAsync, NULL);
}
else
{
regex = "^\\s*(([^ @/:;()\"']+)(@[A-Za-z]+.[A-Za-z]{2,6})?)\\s*$";
if (std::regex_search(query, match, regex))
{
ForkThread(&CToxProto::SearchByNameAsync, mir_strdup(query.c_str()));
}
else
{
ForkThread(&CToxProto::SearchFailedAsync, NULL);
}
}
return (HWND)1;
}
HWND CToxProto::OnCreateExtendedSearchUI(HWND owner)
{
return CreateDialogParam(
g_hInstance,
MAKEINTRESOURCE(IDD_SEARCH),
owner,
SearchDlgProc,
(LPARAM)this);
}
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