public TrustedSource LoadTrustedSource(string packageSourceName)
{
TrustedSource trustedSource = null;
var settingValues = _settings.GetNestedSettingValues(ConfigurationConstants.TrustedSources, packageSourceName);
if (settingValues?.Count > 0)
{
trustedSource = new TrustedSource(packageSourceName);
foreach (var settingValue in settingValues)
{
if (string.Equals(settingValue.Key, ConfigurationConstants.ServiceIndex, StringComparison.OrdinalIgnoreCase))
{
trustedSource.ServiceIndex = new ServiceIndexTrustEntry(settingValue.Value, settingValue.Priority);
}
else
{
var fingerprint = settingValue.Key;
var subjectName = settingValue.Value;
var algorithm = HashAlgorithmName.SHA256;
if (settingValue.AdditionalData.TryGetValue(ConfigurationConstants.FingerprintAlgorithm, out var algorithmString) &&
CryptoHashUtility.GetHashAlgorithmName(algorithmString) != HashAlgorithmName.Unknown)
{
algorithm = CryptoHashUtility.GetHashAlgorithmName(algorithmString);
}
trustedSource.Certificates.Add(new CertificateTrustEntry(fingerprint, subjectName, algorithm, settingValue.Priority));
}
}
}
return(trustedSource);
}
private void SaveTrustedSource(TrustedSource source, IEnumerable <TrustedSource> existingSources)
{
var matchingSource = existingSources
.Where(s => string.Equals(s.SourceName, source.SourceName, StringComparison.OrdinalIgnoreCase))
.FirstOrDefault();
var settingValues = new List <SettingValue>();
if (source.ServiceIndex != null)
{
// use existing priority if present
var priority = matchingSource?.ServiceIndex?.Priority ?? source.ServiceIndex.Priority ?? 0;
var settingValue = new SettingValue(ConfigurationConstants.ServiceIndex, source.ServiceIndex.Value, isMachineWide: false, priority: priority);
settingValues.Add(settingValue);
}
foreach (var cert in source.Certificates)
{
// use existing priority if present
var priority = matchingSource?.Certificates.FirstOrDefault(c => c.Fingerprint == cert.Fingerprint)?.Priority ?? cert.Priority ?? 0;
// cant save to machine wide settings
var settingValue = new SettingValue(cert.Fingerprint, cert.SubjectName, isMachineWide: false, priority: priority);
settingValue.AdditionalData.Add(ConfigurationConstants.FingerprintAlgorithm, cert.FingerprintAlgorithm.ToString());
settingValues.Add(settingValue);
}
if (matchingSource != null)
{
_settings.UpdateSubsections(ConfigurationConstants.TrustedSources, source.SourceName, settingValues);
}
else
{
_settings.SetNestedSettingValues(ConfigurationConstants.TrustedSources, source.SourceName, settingValues);
}
}
public void SaveTrustedSource(TrustedSource source)
{
var existingSources = LoadTrustedSources();
SaveTrustedSource(source, existingSources);
}
