add smime demo

demos/CMakeLists.txt

@@ -2,4 +2,7 @@ add_subdirectory(demo1)
 add_subdirectory(demo2)
 add_subdirectory(demo3)
 add_subdirectory(demo4)
+if(BUILD_WITH_SMIME)
+add_subdirectory(demo5)
+endif()
 add_subdirectory(async1)

demos/demo5/CMakeLists.txt

@@ -0,0 +1,20 @@
+include_directories(
+
+)
+
+set(demo_SRCS
+    demo5.cpp
+)
+
+add_definitions(-DWITH_SMIME)
+
+add_executable(demo5
+    ${demo_SRCS}
+)
+
+target_link_libraries(demo5
+    SimpleMail::Core
+    Qt${QT_VERSION_MAJOR}::Core
+    OpenSSL::SSL
+    OpenSSL::Crypto
+)

demos/demo5/demo5.cpp

@@ -0,0 +1,95 @@
+#include "../../src/SimpleMail"
+
+#include <QtCore>
+
+using namespace SimpleMail;
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication app(argc, argv);
+
+    // This is a demo that shows you how to sign and/or encrypt an email
+
+    // First we need to create an SmtpClient object
+    // We will use the Gmail's smtp server (smtp.gmail.com, port 465, ssl)
+
+    Server server;
+    server.setHost(QLatin1String("smtp.gmail.com"));
+    server.setPort(465);
+    server.setConnectionType(Server::SslConnection);
+
+    // We need to set the username (your email address) and password
+    // for smtp authentification.
+
+    server.setUsername(QLatin1String("[email protected]"));
+    server.setPassword(QLatin1String("your_password"));
+
+    // Now we create a MimeMessage object. This is the email.
+
+    MimeMessage message;
+
+    EmailAddress sender(QLatin1String("[email protected]"), QLatin1String("Your Name"));
+    message.setSender(sender);
+
+    EmailAddress to(QLatin1String("[email protected]"), QLatin1String("Recipient's Name"));
+    message.addTo(to);
+
+    message.setSubject(QLatin1String("SmtpClient for Qt - Demo"));
+
+    // Now add some text to the email.
+    // First we create a MimeText object.
+
+    auto text = std::make_shared<MimeText>();
+
+    text->setText(QLatin1String("Hi,\nThis is a simple email message.\n"));
+
+    // Now add it to the mail
+
+    message.addPart(text);
+
+    // Add an attachment
+
+    auto document =
+        std::make_shared<MimeAttachment>(std::make_shared<QFile>(QLatin1String("document.pdf")));
+    message.addPart(document);
+
+    // Now create an SMime object
+
+    auto smime = new SimpleMail::SMime(&message);
+
+    // Setup private and public key/certificate in PKCS#12 format
+
+    smime->setKeyFile(QLatin1String("your_private_key.p12"), QLatin1String("your_private_key_password"));
+    smime->setPublicKey(QLatin1String("recipient_public_key.cert"));
+
+    // Sign the message. Only your private key is required.
+    // if(!smime->sign()) {
+    //     qDebug() << "Failed to create signed email";
+    //     delete smime;
+    //     return -3;
+    // }
+
+    // Encrypt the message. Only the recipient's public key/certificate is required.
+    // if(!smime->encrypt()) {
+    //     qDebug() << "Failed to create encrypted email";
+    //     delete smime;
+    //     return -3;
+    // }
+
+    // Sign and encrypt the message
+    if (!smime->signAndEncrypt()) {
+        qDebug() << "Failed to create signed and encrypted email";
+        delete smime;
+        return -3;
+    }
+
+    // Now we can send the mail
+    ServerReply *reply = server.sendMail(message);
+    QObject::connect(reply, &ServerReply::finished, [=] {
+        qDebug() << "ServerReply finished" << reply->error() << reply->responseText();
+        reply->deleteLater();
+        qApp->exit(reply->error() ? -3 : 0);
+    });
+
+    app.exec();
+}