89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
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#ifndef UTPASSPHRASEPROVIDER_H
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#define UTPASSPHRASEPROVIDER_H
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#include <stdio.h>
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#include <QObject>
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#include <QQmlProperty>
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#include <QEventLoop>
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#include <QSemaphore>
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#include <gpgme++/interfaces/passphraseprovider.h>
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#include "passphraseprovider.h"
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#include "gpg.h"
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class UTPassphraseProvider : public QObject, public PassphraseProvider
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{
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Q_OBJECT
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private:
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std::unique_ptr<QEventLoop> m_loop;
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std::unique_ptr<QSemaphore> m_sem;
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char *m_passphrase;
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bool m_canceled;
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public slots:
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void handleResponse(bool canceled, QString p)
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{
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if (!canceled)
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gpgrt_asprintf(&m_passphrase, "%s", p.toUtf8().constData());
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else
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m_canceled = true;
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m_loop->quit();
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};
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public:
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UTPassphraseProvider():
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m_loop(std::unique_ptr<QEventLoop>(new QEventLoop)),
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m_sem(std::unique_ptr<QSemaphore>(new QSemaphore(1))),
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m_passphrase(nullptr),
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m_canceled(false)
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{}
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char *getPassphrase( const char *useridHint,
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const char *description,
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bool previousWasBad,
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bool &canceled ) Q_DECL_OVERRIDE {
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if (!m_sem->tryAcquire(1, 3000))
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{
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qWarning() << "Cannot acquire UTPassphraseProvider semaphore.";
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canceled = true;
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return nullptr;
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}
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m_passphrase = nullptr;
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m_canceled = false;
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qDebug() << "Call the QML Dialog Passphrase Provider";
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QMetaObject::invokeMethod(
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Gpg::instance()->getWindow(), "callPassphraseDialog",
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Q_ARG(QVariant, useridHint),
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Q_ARG(QVariant, description),
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Q_ARG(QVariant, previousWasBad)
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);
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qDebug() << "Waiting for response";
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QObject::connect(
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Gpg::instance()->getWindow(), SIGNAL(responsePassphraseDialog(bool, QString)),
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this, SLOT(handleResponse(bool, QString))
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);
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m_loop->exec();
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qDebug() << "Prepare Returns";
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char *ret;
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gpgrt_asprintf(&ret, "%s", m_passphrase);
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canceled = m_canceled;
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qDebug() << "Clean";
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if (m_passphrase)
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{
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free(m_passphrase);
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}
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m_canceled = false;
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m_sem->release(1);
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return ret;
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};
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};
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#endif
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