QMailCryptoFwd::SignatureResult QMailCryptoSMIME::sign(QMailMessagePartContainer &part,
const QStringList &keys) const
{
QByteArray signedData, micalg;
QMailCryptoFwd::SignatureResult result;
result = computeSignature(part, keys, signedData, micalg);
if (result != QMailCryptoFwd::SignatureValid)
return result;
// Set it to multipart/signed content-type.
QList<QMailMessageHeaderField::ParameterType> parameters;
parameters << QMailMessageHeaderField::ParameterType("micalg", micalg);
parameters << QMailMessageHeaderField::ParameterType("protocol", "application/pkcs7-signature");
part.setMultipartType(QMailMessagePartContainerFwd::MultipartSigned, parameters);
// Write the signature data in the second part.
QMailMessagePart &signature = part.partAt(1);
QMailMessageContentDisposition disposition;
disposition.setType(QMailMessageContentDispositionFwd::Attachment);
disposition.setFilename("smime.p7s");
signature.setContentDisposition(disposition);
signature.setBody(QMailMessageBody::fromData(signedData,
QMailMessageContentType("application/pkcs7-signature"),
QMailMessageBodyFwd::Base64));
return QMailCryptoFwd::SignatureValid;
}
bool QMailCryptoSMIME::partHasSignature(const QMailMessagePartContainer &part) const
{
if (part.multipartType() != QMailMessagePartContainerFwd::MultipartSigned ||
part.partCount() != 2)
return false;
const QMailMessagePart signature = part.partAt(1);
if (!signature.contentType().matches("application", "pkcs7-signature") &&
!signature.contentType().matches("application", "x-pkcs7-signature"))
return false;
return true;
}
QMailCryptoFwd::VerificationResult QMailCryptoSMIME::verifySignature(const QMailMessagePartContainer &part) const
{
if (!partHasSignature(part))
return QMailCryptoFwd::VerificationResult(QMailCryptoFwd::MissingSignature);
QMailMessagePart body = part.partAt(0);
QMailMessagePart signature = part.partAt(1);
if (!body.contentAvailable() ||
!signature.contentAvailable())
return QMailCryptoFwd::VerificationResult();
QMailCryptoFwd::VerificationResult result;
result.engine = QStringLiteral("libsmime.so");
result.summary = verify(signature.body().data(QMailMessageBodyFwd::Decoded),
body.undecodedData(), result.keyResults);
return result;
}
QString EmailMessageListModel::bodyPlainText(const QMailMessage &mailMsg) const
{
QMailMessagePartContainer *container = (QMailMessagePartContainer *)&mailMsg;
QMailMessageContentType contentType = container->contentType();
if (container->hasBody() && contentType.type().toLower() == "text" &&
contentType.subType().toLower() == "plain")
{
return container->body().data();
}
QString text("");
for ( uint i = 0; i < container->partCount(); i++ )
{
QMailMessagePart messagePart = container->partAt(i);
contentType = messagePart.contentType();
if (messagePart.hasBody() && contentType.type().toLower() == "text" &&
contentType.subType().toLower() == "plain")
{
text += messagePart.body().data() + "\n";
}
QMailMessagePart subPart;
for (uint j = 0; j < messagePart.partCount(); j++)
{
subPart = messagePart.partAt(j);
contentType = subPart.contentType();
if (subPart.hasBody() && contentType.type().toLower() == "text" &&
contentType.subType().toLower() == "plain")
text += subPart.body().data() + "\n";
}
}
return text;
}
