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/*
(c) Copyright 2012 - 2018 Anton Sviridenko
https://picapica.im
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, either version 3 of the License, or
(at your option) any later version.
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 <https://www.gnu.org/licenses/>.
*/
#include "askpassword.h"
#include "globals.h"
#include <string.h>
#include <QInputDialog>
#include <QThread>
#include "accounts.h"
QMutex AskPassword::passwd_mutex;
char AskPassword::current_password[256];
int AskPassword::is_invalid = 0;
int AskPassword::is_cancelled = 0;
int AskPassword::is_set = 0;
AskPassword::AskPassword(QObject *parent) :
QObject(parent)
{
connect(this, SIGNAL(password_requested()), this, SLOT(password_dialog()), Qt::BlockingQueuedConnection);
}
AskPassword::~AskPassword()
{
memset(current_password, 0, sizeof(current_password));
}
int AskPassword::ask_password_cb(char *buf, int size, int rwflag, void *userdata)
{
//QString pswd;
//QByteArray id = QByteArray((const char*) userdata, PICA_ID_SIZE);
if (is_cancelled)
return 0;
passwd_mutex.lock();
if (!is_set || is_invalid)
{
if (askpassword->thread() != QThread::currentThread())
askpassword->emit_sig();
else
askpassword->password_dialog();
}
if (is_set)
{
strncpy(buf, current_password, size);
buf[size - 1] = 0;
}
passwd_mutex.unlock();
return is_set ? (strlen(buf)) : 0;
}
void AskPassword::emit_sig()
{
emit password_requested();
}
void AskPassword::clear()
{
passwd_mutex.lock();
is_invalid = 0;
is_set = 0;
is_cancelled = 0;
memset(current_password, 0, sizeof(current_password));
passwd_mutex.unlock();
}
void AskPassword::setInvalidPassword()
{
passwd_mutex.lock();
is_invalid = 1;
memset(current_password, 0, sizeof(current_password));
passwd_mutex.unlock();
}
void AskPassword::password_dialog()
{
bool ok = false;
QString title = is_invalid ? QObject::tr("Invalid passphrase, try again") : QObject::tr("Enter private key passphrase");
QString text = QObject::tr(QString("Passphrase for account %1 \n (%2)")
.arg(Accounts::GetCurrentAccount().name)
.arg(Accounts::GetCurrentAccount().id.toBase64().constData()).toUtf8().constData());
QString psw = QInputDialog::getText((QWidget*)mainwindow, title, text, QLineEdit::Password, QString(), &ok);
if (ok)
{
strncpy(current_password, psw.toUtf8().constData(), sizeof(current_password));
current_password[sizeof(current_password) - 1] = 0;
is_set = 1;
is_invalid = 0;
}
else
is_cancelled = 1;
}
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