void
DKIMSigner::Sign(boost::shared_ptr<Message> message)
{
AnsiString senderAddress = message->GetFromAddress();
AnsiString senderDomain = StringParser::ExtractDomain(senderAddress);
// Check if signing is enabled for this domain.
boost::shared_ptr<const Domain> pDomain = CacheContainer::Instance()->GetDomain(senderDomain);
if (!pDomain || !pDomain->GetDKIMEnabled())
return;
LOG_DEBUG("Signing message using DKIM...");
AnsiString selector = pDomain->GetDKIMSelector();
AnsiString domain = pDomain->GetName();
AnsiString privateKeyFile = pDomain->GetDKIMPrivateKeyFile();
if (selector.IsEmpty() || privateKeyFile.IsEmpty())
{
ErrorManager::Instance()->ReportError(ErrorManager::Medium, 5305, "DKIMSigner::Sign", "Either the selector or private key file was not specified.");
return;
}
Canonicalization::CanonicalizeMethod headerMethod = (Canonicalization::CanonicalizeMethod) pDomain->GetDKIMHeaderCanonicalizationMethod();
Canonicalization::CanonicalizeMethod bodyMethod = (Canonicalization::CanonicalizeMethod) pDomain->GetDKIMBodyCanonicalizationMethod();
HashCreator::HashType algorithm = (HashCreator::HashType) pDomain->GetDKIMSigningAlgorithm();
DKIM dkim;
if (!dkim.Sign(message, domain, selector, privateKeyFile, algorithm, headerMethod, bodyMethod))
{
ErrorManager::Instance()->ReportError(ErrorManager::Medium, 5306, "DKIMSigner::Sign", "Message signing using DKIM failed.");
}
}
