/// <summary>
/// This provider expects URIs in the following form :
/// kms://<PROTO>@<AUTHORITY>/<PATH>
/// where :
/// - PROTO = http or https
/// - AUTHORITY = <HOSTS>[:<PORT>]
/// - HOSTS = <HOSTNAME>[;<HOSTS>]
/// - HOSTNAME = string
/// - PORT = integer
/// If multiple hosts are provider, the Factory will create a
/// <see cref="LoadBalancingKMSClientProvider"/>
/// that round-robins requests
/// across the provided list of hosts.
/// </summary>
/// <exception cref="System.IO.IOException"/>
public override KeyProvider CreateProvider(URI providerUri, Configuration conf)
{
if (SchemeName.Equals(providerUri.GetScheme()))
{
Uri origUrl = new Uri(ExtractKMSPath(providerUri).ToString());
string authority = origUrl.GetAuthority();
// check for ';' which delimits the backup hosts
if (Strings.IsNullOrEmpty(authority))
{
throw new IOException("No valid authority in kms uri [" + origUrl + "]");
}
// Check if port is present in authority
// In the current scheme, all hosts have to run on the same port
int port = -1;
string hostsPart = authority;
if (authority.Contains(":"))
{
string[] t = authority.Split(":");
try
{
port = System.Convert.ToInt32(t[1]);
}
catch (Exception)
{
throw new IOException("Could not parse port in kms uri [" + origUrl + "]");
}
hostsPart = t[0];
}
return(CreateProvider(providerUri, conf, origUrl, port, hostsPart));
}
return(null);
}
/// <exception cref="System.IO.IOException"/>
public override KeyProvider CreateProvider(URI providerName, Configuration conf)
{
if (SchemeName.Equals(providerName.GetScheme()))
{
return(new JavaKeyStoreProvider(providerName, conf));
}
return(null);
}
/// <exception cref="System.IO.IOException"/>
public override CredentialProvider CreateProvider(URI providerName, Configuration
conf)
{
if (SchemeName.Equals(providerName.GetScheme()))
{
return(new UserProvider());
}
return(null);
}
/// <exception cref="System.IO.IOException"/>
public override KeyProvider CreateProvider(URI providerName, Configuration conf)
{
if (SchemeName.Equals(providerName.GetScheme()))
{
try
{
return(new FailureInjectingJavaKeyStoreProvider((JavaKeyStoreProvider) new JavaKeyStoreProvider.Factory
().CreateProvider(new URI(providerName.ToString().Replace(SchemeName, JavaKeyStoreProvider
.SchemeName)), conf)));
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
return(null);
}