internal void VerifyEmail(Outlook.MailItem mailItem)
{
var encoding = GetEncodingFromMail(mailItem);
var mail = string.Empty;
// Try two different methods to get the message body
try
{
mail = encoding.GetString(
(byte[])mailItem.PropertyAccessor.GetProperty(
"http://schemas.microsoft.com/mapi/string/{4E3A7680-B77A-11D0-9DA5-00C04FD65685}/Internet Charset Body/0x00000102"));
}
catch (Exception)
{
try
{
mail = (string)mailItem.PropertyAccessor.GetProperty(
"http://schemas.microsoft.com/mapi/proptag/0x1000001F"); // PR_BODY
}
catch (Exception)
{
mail = mailItem.Body;
}
}
if (Regex.IsMatch(mail, _pgpSignedHeader) == false)
{
MessageBox.Show(
Localized.ErrorMsgNotSigned,
Localized.ErrorDialogTitle,
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
return;
}
var context = new CryptoContext(PasswordCallback, _settings.Cipher, _settings.Digest);
var crypto = new PgpCrypto(context);
mailItem.BodyFormat = Outlook.OlBodyFormat.olFormatPlain;
try
{
var message = string.Empty;
if (crypto.Verify(_encoding.GetBytes(mail)))
message = "** " + string.Format(Localized.MsgValidSig,
crypto.Context.SignedByUserId, crypto.Context.SignedByKeyId) + "\n\n";
else
message = "** " + string.Format(Localized.MsgInvalidSig,
crypto.Context.SignedByUserId, crypto.Context.SignedByKeyId) + "\n\n";
mailItem.Body = message + mailItem.Body;
}
catch (PublicKeyNotFoundException)
{
var message = "** "+ Localized.MsgSigMissingPubKey+"\n\n";
mailItem.Body = message + mailItem.Body;
}
catch (Exception ex)
{
WriteErrorData("VerifyEmail", ex);
MessageBox.Show(
ex.Message,
Localized.ErrorDialogTitle,
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
internal void VerifyEmail(Outlook.MailItem mailItem)
{
string mail = mailItem.Body;
Outlook.OlBodyFormat mailType = mailItem.BodyFormat;
if (Regex.IsMatch(mailItem.Body, _pgpSignedHeader) == false)
{
MessageBox.Show(
"Outlook Privacy cannot help here.",
"Mail is not signed",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
return;
}
var Context = new CryptoContext(Passphrase);
var Crypto = new PgpCrypto(Context);
try
{
if (Crypto.Verify(_encoding.GetBytes(mail)))
{
Context = Crypto.Context;
var message = "** Valid signature from \"" + Context.SignedByUserId +
"\" with KeyId " + Context.SignedByKeyId + ".\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
else
{
Context = Crypto.Context;
var message = "** Invalid signature from \"" + Context.SignedByUserId +
"\" with KeyId " + Context.SignedByKeyId + ".\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
}
catch (PublicKeyNotFoundException ex)
{
Context = Crypto.Context;
var message = "** Unable to verify signature, missing public key.\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
catch (Exception ex)
{
this.Passphrase = null;
WriteErrorData("VerifyEmail", ex);
MessageBox.Show(
ex.Message,
"Outlook Privacy Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
internal void VerifyEmail(Outlook.MailItem mailItem)
{
string mail = mailItem.Body;
Outlook.OlBodyFormat mailType = mailItem.BodyFormat;
if (Regex.IsMatch(mailItem.Body, _pgpSignedHeader) == false)
{
MessageBox.Show(
Localized.ErrorMsgNotSigned,
"Mail is not signed",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
return;
}
var Context = new CryptoContext(PasswordCallback, _settings.Cipher, _settings.Digest);
var Crypto = new PgpCrypto(Context);
try
{
if (Crypto.Verify(_encoding.GetBytes(mail)))
{
Context = Crypto.Context;
var message = "** " + string.Format(Localized.MsgValidSig,
Context.SignedByUserId, Context.SignedByKeyId) + "\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
else
{
Context = Crypto.Context;
var message = "** " + string.Format(Localized.MsgInvalidSig,
Context.SignedByUserId, Context.SignedByKeyId) + "\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
}
catch (PublicKeyNotFoundException)
{
Context = Crypto.Context;
string message = "** "+ Localized.MsgSigMissingPubKey+"\n\n";
if (mailType == Outlook.OlBodyFormat.olFormatPlain)
{
mailItem.Body = message + mailItem.Body;
}
}
catch (Exception ex)
{
WriteErrorData("VerifyEmail", ex);
MessageBox.Show(
ex.Message,
"Outlook Privacy Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}