/// <summary>
/// Lists the known keys.
/// </summary>
/// <param name="target">The target.</param>
/// <returns></returns>
public IEnumerable <KeyId> ListKeys(KeyTarget target)
{
var args = "--fixed-list-mode --with-colons --with-fingerprint --list-public-keys";
var keyHead = "pub";
if (target == KeyTarget.Secret)
{
args = "--fixed-list-mode --with-colons --with-fingerprint --list-secret-keys";
keyHead = "sec";
}
if (!string.IsNullOrWhiteSpace(KeyringFolder))
{
args += string.Format(" --homedir \"{0}\" ", KeyringFolder);
}
using (var proc = new RedirectedProcess(GnuPGConfig.GnuPGExePath, args))
{
if (proc.Start())
{
proc.WaitForExit();
string[] lines = proc.Output.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < lines.Length; i++)
{
var fields = lines[i].Split(':');
if (fields[0] == keyHead)
{
var id = fields[4];
var allowCap = KeyCapabilities.None;
var useCap = KeyCapabilities.None;
ParseKeyCapField(fields[11], ref allowCap, ref useCap);
i++;
// read more lines as part of this key
string finger = null;
List <string> users = new List <string>();
for (; i < lines.Length; i++)
{
fields = lines[i].Split(':');
if (fields[0] == keyHead)
{
// another key, exit loop
i--;
break;
}
switch (fields[0])
{
case "uid":
users.Add(IOUtility.DecodeAsciiEscapes(fields[9]));
break;
case "fpr":
finger = fields[9];
break;
}
}
yield return(new KeyId(id, finger, allowCap, useCap, users));
}
}
}
}
}
