public static void SetKeeAgentSettings(this PwEntry entry,
EntrySettings settings)
{
entry.Binaries.SetKeeAgentSettings(settings);
// remove old settings string
if (entry.Strings.GetKeys().Contains(settingsStringId))
{
entry.Strings.Remove(settingsStringId);
}
}
public static ISshKey GetSshKey(this EntrySettings settings,
ProtectedStringDictionary strings, ProtectedBinaryDictionary binaries,
SprContext sprContext)
{
if (!settings.AllowUseOfSshKey)
{
return(null);
}
KeyFormatter.GetPassphraseCallback getPassphraseCallback =
delegate(string comment)
{
var securePassphrase = new SecureString();
var passphrase = SprEngine.Compile(strings.ReadSafe(
PwDefs.PasswordField), sprContext);
foreach (var c in passphrase)
{
securePassphrase.AppendChar(c);
}
return(securePassphrase);
};
Func <Stream> getPrivateKeyStream;
Func <Stream> getPublicKeyStream = null;
switch (settings.Location.SelectedType)
{
case EntrySettings.LocationType.Attachment:
if (string.IsNullOrWhiteSpace(settings.Location.AttachmentName))
{
throw new NoAttachmentException();
}
var privateKeyData = binaries.Get(settings.Location.AttachmentName);
var publicKeyData = binaries.Get(settings.Location.AttachmentName + ".pub");
getPrivateKeyStream = () => new MemoryStream(privateKeyData.ReadData());
if (publicKeyData != null)
{
getPublicKeyStream = () => new MemoryStream(publicKeyData.ReadData());
}
return(GetSshKey(getPrivateKeyStream, getPublicKeyStream,
settings.Location.AttachmentName, getPassphraseCallback));
case EntrySettings.LocationType.File:
var filename = settings.Location.FileName.ExpandEnvironmentVariables();
getPrivateKeyStream = () => File.OpenRead(filename);
var publicKeyFile = filename + ".pub";
if (File.Exists(publicKeyFile))
{
getPublicKeyStream = () => File.OpenRead(publicKeyFile);
}
return(GetSshKey(getPrivateKeyStream, getPublicKeyStream,
settings.Location.AttachmentName, getPassphraseCallback));
default:
return(null);
}
}
public static void SetKeeAgentSettings(this ProtectedBinaryDictionary binaries,
EntrySettings settings)
{
// only save if there is an existing entry or AllowUseOfSshKey is checked
// this way we don't pollute entries that don't have SSH keys
if (binaries.Get(settingsBinaryId) != null ||
settings.AllowUseOfSshKey)
{
using (var writer = new StringWriter()) {
EntrySettingsSerializer.Serialize(writer, settings);
// string is protected just to make UI look cleaner
binaries.Set(settingsBinaryId,
new ProtectedBinary(false, Encoding.Unicode.GetBytes(writer.ToString())));
}
}
}
