public ConfigurationController(AuthSchemeProvider authSchemeProvider, Repository repo, IClientStore clientStore)
{
_authSchemeProvider = authSchemeProvider;
_repo = repo;
_clientStore = clientStore;
}
/// <exception cref="Apache.Http.Auth.MalformedChallengeException"></exception>
public virtual Queue <AuthOption> Select(IDictionary <string, Header> challenges, HttpHost
authhost, HttpResponse response, HttpContext context)
{
Args.NotNull(challenges, "Map of auth challenges");
Args.NotNull(authhost, "Host");
Args.NotNull(response, "HTTP response");
Args.NotNull(context, "HTTP context");
HttpClientContext clientContext = ((HttpClientContext)HttpClientContext.Adapt(context
));
Queue <AuthOption> options = new List <AuthOption>();
Lookup <AuthSchemeProvider> registry = clientContext.GetAuthSchemeRegistry();
if (registry == null)
{
this.log.Debug("Auth scheme registry not set in the context");
return(options);
}
CredentialsProvider credsProvider = clientContext.GetCredentialsProvider();
if (credsProvider == null)
{
this.log.Debug("Credentials provider not set in the context");
return(options);
}
RequestConfig config = clientContext.GetRequestConfig();
ICollection <string> authPrefs = GetPreferredAuthSchemes(config);
if (authPrefs == null)
{
authPrefs = DefaultSchemePriority;
}
if (this.log.IsDebugEnabled())
{
this.log.Debug("Authentication schemes in the order of preference: " + authPrefs);
}
foreach (string id in authPrefs)
{
Header challenge = challenges.Get(id.ToLower(CultureInfo.InvariantCulture));
if (challenge != null)
{
AuthSchemeProvider authSchemeProvider = registry.Lookup(id);
if (authSchemeProvider == null)
{
if (this.log.IsWarnEnabled())
{
this.log.Warn("Authentication scheme " + id + " not supported");
}
// Try again
continue;
}
AuthScheme authScheme = authSchemeProvider.Create(context);
authScheme.ProcessChallenge(challenge);
AuthScope authScope = new AuthScope(authhost.GetHostName(), authhost.GetPort(), authScheme
.GetRealm(), authScheme.GetSchemeName());
Credentials credentials = credsProvider.GetCredentials(authScope);
if (credentials != null)
{
options.AddItem(new AuthOption(authScheme, credentials));
}
}
else
{
if (this.log.IsDebugEnabled())
{
this.log.Debug("Challenge for " + id + " authentication scheme not available");
}
}
}
// Try again
return(options);
}
private async Task GetAllSchemes(AuthSchemeProvider authSchemeProvider)
{
await authSchemeProvider.LoadAllSchemes();
}
