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;
}
void SignedUrl::sign( Url& urlToSign )
{
UtlString existingUrlSignature;
UtlString urlString;
urlToSign.toString( urlString );
if( urlToSign.getUrlParameter( SignatureUrlParamName, existingUrlSignature ) == TRUE )
{
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SignedUrl::sign URL '%s' already signed - updating signature",
urlString.data() );
}
UtlString userInfo;
UtlString hostPort;
UtlString strSignature;
urlToSign.getUserId( userInfo );
urlToSign.getHostWithPort( hostPort );
computeSignature( userInfo, hostPort, strSignature );
urlToSign.setUrlParameter( SignatureUrlParamName, strSignature.data() );
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SignedUrl::sign URL signed: '%s' with signature '%s'",
urlString.data(), strSignature.data() );
}
UtlBoolean SignedUrl::isUrlSigned( Url& signedUrl )
{
UtlBoolean bUrlProperlySigned;
UtlString existingUrlSignature;
UtlString urlString;
signedUrl.toString( urlString );
if( signedUrl.getUrlParameter( SignatureUrlParamName, existingUrlSignature ) == FALSE )
{
bUrlProperlySigned = FALSE;
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SignedUrl::isUrlSigned URL '%s' not signed",
urlString.data() );
}
else
{
UtlString userInfo;
UtlString hostPort;
UtlString strReferenceSignature;
signedUrl.getUserId( userInfo );
signedUrl.getHostWithPort( hostPort );
computeSignature( userInfo, hostPort, strReferenceSignature );
if( strReferenceSignature.compareTo( existingUrlSignature ) == 0 )
{
bUrlProperlySigned = TRUE;
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SignedUrl::isUrlSigned URL '%s' is properly signed",
urlString.data() );
}
else
{
bUrlProperlySigned = FALSE;
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SignedUrl::isUrlSigned URL '%s' does not have a valid signature. "
"Expected signature: '%s'", urlString.data(), strReferenceSignature.data() );
}
}
return bUrlProperlySigned;
}