| public GenerateSignature ( [ email ) : string | ||
| [ | The email to sign. | |
| return | string | |
public static MailMessage DkimSign([NotNull] this MailMessage message, DkimSigner signer)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (signer == null)
{
throw new ArgumentNullException("signer");
}
message.BodyEncoding = signer.Encoding;
message.SubjectEncoding = signer.Encoding;
message.HeadersEncoding = signer.Encoding;
// get email content and generate initial signature
var email = Email.Parse(message.GetText());
if (!CanSign(email))
{
throw new InvalidOperationException("Unable to Domain Key sign the message");
}
var value = signer.GenerateDkimHeaderValue(email);
// signature value get formatted so add dummy signature value then remove it
message.Headers.Prepend(DkimSigner.SignatureKey, value + new string('0', 70));
email = message.Parse();
var formattedSig = email.Headers[DkimSigner.SignatureKey].Value;
email.Headers[DkimSigner.SignatureKey].Value = formattedSig.Substring(0, formattedSig.Length - 70);
// sign email
value += signer.GenerateSignature(email);
message.Headers.Set(DkimSigner.SignatureKey, value);
return(message);
}
public static MailMessage DkimSign([NotNull]this MailMessage message, DkimSigner signer)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (signer == null)
{
throw new ArgumentNullException("signer");
}
message.BodyEncoding = signer.Encoding;
message.SubjectEncoding = signer.Encoding;
message.HeadersEncoding = signer.Encoding;
// get email content and generate initial signature
var email = Email.Parse(message.GetText());
if (!CanSign(email))
{
throw new InvalidOperationException("Unable to Domain Key sign the message");
}
var value = signer.GenerateDkimHeaderValue(email);
// signature value get formatted so add dummy signature value then remove it
message.Headers.Prepend(DkimSigner.SignatureKey, value + new string('0', 70));
email = message.Parse();
var formattedSig = email.Headers[DkimSigner.SignatureKey].Value;
email.Headers[DkimSigner.SignatureKey].Value = formattedSig.Substring(0, formattedSig.Length - 70);
// sign email
value += signer.GenerateSignature(email);
message.Headers.Set(DkimSigner.SignatureKey, value);
return message;
}
