void QmlCommerce::changePassphrase(const QString& oldPassphrase, const QString& newPassphrase) {
auto wallet = DependencyManager::get<Wallet>();
if (wallet->getPassphrase()->isEmpty()) {
emit changePassphraseStatusResult(wallet->setPassphrase(newPassphrase));
} else if (wallet->getPassphrase() == oldPassphrase && !newPassphrase.isEmpty()) {
emit changePassphraseStatusResult(wallet->changePassphrase(newPassphrase));
} else {
emit changePassphraseStatusResult(false);
}
}
// use the cached _passphrase if it exists, otherwise we need to prompt
int passwordCallback(char* password, int maxPasswordSize, int rwFlag, void* u) {
// just return a hardcoded pwd for now
auto wallet = DependencyManager::get<Wallet>();
auto passphrase = wallet->getPassphrase();
if (passphrase && !passphrase->isEmpty()) {
QString saltedPassphrase(*passphrase);
saltedPassphrase.append(wallet->getSalt());
strcpy(password, saltedPassphrase.toUtf8().constData());
return static_cast<int>(passphrase->size());
} else {
// this shouldn't happen - so lets log it to tell us we have
// a problem with the flow...
qCCritical(commerce) << "no cached passphrase while decrypting!";
return 0;
}
}
LPSTR __cdecl _gpg_decrypt(LPCSTR message)
{
char buffer[ciphertextsize];
char plaintext[plaintextsize];
char keyuserid[keyuseridsize];
int dlgresult;
BOOL useridvalid;
char *storedpassphrase;
char passphrase[passphrasesize];
char *decmessage = 0;
int decmessagelen;
gpgResult gpgresult;
const char *begin = strstr(message, txtbeginpgpmessage);
const char *end = strstr(message, txtendpgpmessage);
if ((begin!=NULL)&&(end!=NULL))
{
strcpy(buffer, "");
strncat(buffer, begin, end-begin+strlen(txtendpgpmessage));
replace(buffer, "\r", "");
replace(buffer, "\n", txtcrlf);
ZeroMemory(keyuserid, sizeof(keyuserid));
gpgresult=gpgDetectUserID(keyuserid, buffer);
storedpassphrase=NULL;
if(gpgresult!=gpgSuccess)
{
// ErrorMessage(txtwarning, txtdetectuseridfailed, txtverifyoptions);
strcpy(keyuserid, txtunknownuserid);
useridvalid=FALSE;
}
else
{
storedpassphrase=getPassphrase(keyuserid);
useridvalid=TRUE;
}
if(storedpassphrase!=NULL)
{
strcpy(passphrase, storedpassphrase);
ZeroMemory(plaintext, sizeof(plaintext));
gpgresult=gpgDecrypt(plaintext, buffer, passphrase);
}
else gpgresult=gpgUnknownError;
dlgresult=IDOK;
while((gpgresult!=gpgSuccess)&&(dlgresult!=IDCANCEL))
{
dlgresult=DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_PASSPHRASE), NULL, PassphraseDialogProcedure, (LPARAM)keyuserid);
if(dlgresult==IDOK)
{
strcpy(passphrase, dlgpassphrase);
ZeroMemory(dlgpassphrase, passphrasesize);
strcat(passphrase, txtcrlf);
ZeroMemory(plaintext, sizeof(plaintext));
gpgresult=gpgDecrypt(plaintext, buffer, passphrase);
}
}
if(gpgresult==gpgSuccess)
{
strcpy(buffer, plaintext);
}
if ( gpgresult==gpgSuccess && useridvalid==TRUE)
addPassphrase(keyuserid, passphrase);
ZeroMemory(passphrase, sizeof(passphrase));
decmessagelen = strlen(buffer)+1;
decmessage = (char *) LocalAlloc(LPTR,decmessagelen);
MoveMemory(decmessage, buffer, decmessagelen);
}
return decmessage;
}
