public static bool VerifyCredentialsAndDetectAuthScheme(IBlogCredentials blogCredentials, SharePointClient client)
{
//Attempt to execute the GetUsersBlogs() operation using standard HTTP authentication
//If the server challenges with an HTTP 401, but doesn't include with WWW-authentication
//header, then the server is configured to use MetaWeblog for authentication, so we
//re-issue the request using that authentication scheme instead.
AuthenticationScheme authScheme = AuthenticationScheme.Http;
AuthenticationScheme requiredAuthScheme = AuthenticationScheme.Unknown;
while (requiredAuthScheme == AuthenticationScheme.Unknown || authScheme != requiredAuthScheme)
{
if (requiredAuthScheme != AuthenticationScheme.Unknown)
{
authScheme = requiredAuthScheme;
}
blogCredentials.SetCustomValue(AUTH_SCHEME, authScheme.ToString());
try
{
TransientCredentials tc = new TransientCredentials(blogCredentials.Username, blogCredentials.Password, null);
client.Credentials.TransientCredentials = tc;
client.InitTransientCredential(tc);
client.GetUsersBlogs();
return(true);
}
catch (WebException e)
{
requiredAuthScheme = GetRequiredAuthScheme(e);
}
catch (BlogClientHttpErrorException e)
{
requiredAuthScheme = GetRequiredAuthScheme(e.Exception);
}
catch (BlogClientAuthenticationException e)
{
requiredAuthScheme = GetRequiredAuthScheme(e.WebException);
}
catch (Exception)
{
throw;
}
Debug.Assert(requiredAuthScheme != AuthenticationScheme.Unknown, "Unexpected authscheme"); //this would cause an infinite loop!
}
return(false);
}
protected override void Save(IPropertyBag propertyBag)
{
propertyBag.WriteAdapterCustomProperty(nameof(EnableChunkedEncoding), EnableChunkedEncoding);
propertyBag.WriteAdapterCustomProperty(nameof(RequestTimeout), (int)RequestTimeout.TotalSeconds);
propertyBag.WriteAdapterCustomProperty(nameof(MaxRedirects), MaxRedirects);
propertyBag.WriteAdapterCustomProperty(nameof(ContentType), ContentType);
propertyBag.WriteAdapterCustomProperty(nameof(UseHandlerProxySettings), UseHandlerProxySettings);
if (!UseHandlerProxySettings)
{
propertyBag.WriteAdapterCustomProperty(nameof(UseProxy), UseProxy);
propertyBag.WriteAdapterCustomProperty(nameof(ProxyName), ProxyName);
propertyBag.WriteAdapterCustomProperty(nameof(ProxyPort), ProxyPort);
propertyBag.WriteAdapterCustomProperty("ProxyUsername", ProxyUserName);
propertyBag.WriteAdapterCustomProperty(nameof(ProxyPassword), ProxyPassword);
}
propertyBag.WriteAdapterCustomProperty(nameof(AuthenticationScheme), AuthenticationScheme.ToString());
propertyBag.WriteAdapterCustomProperty("Username", UserName);
propertyBag.WriteAdapterCustomProperty(nameof(Password), Password);
propertyBag.WriteAdapterCustomProperty(nameof(UseSSO), UseSSO);
propertyBag.WriteAdapterCustomProperty(nameof(AffiliateApplicationName), AffiliateApplicationName);
propertyBag.WriteAdapterCustomProperty(nameof(Certificate), Certificate);
}
protected override void Save(IPropertyBag propertyBag)
{
propertyBag.WriteAdapterCustomProperty("EnableChunkedEncoding", EnableChunkedEncoding);
propertyBag.WriteAdapterCustomProperty("RequestTimeout", (int)RequestTimeout.TotalSeconds);
propertyBag.WriteAdapterCustomProperty("MaxRedirects", MaxRedirects);
propertyBag.WriteAdapterCustomProperty("ContentType", ContentType);
propertyBag.WriteAdapterCustomProperty("UseHandlerProxySettings", UseHandlerProxySettings);
if (!UseHandlerProxySettings)
{
propertyBag.WriteAdapterCustomProperty("UseProxy", UseProxy);
propertyBag.WriteAdapterCustomProperty("ProxyName", ProxyName);
propertyBag.WriteAdapterCustomProperty("ProxyPort", ProxyPort);
propertyBag.WriteAdapterCustomProperty("ProxyUsername", ProxyUserName);
propertyBag.WriteAdapterCustomProperty("ProxyPassword", ProxyPassword);
}
propertyBag.WriteAdapterCustomProperty("AuthenticationScheme", AuthenticationScheme.ToString());
propertyBag.WriteAdapterCustomProperty("Username", UserName);
propertyBag.WriteAdapterCustomProperty("Password", Password);
propertyBag.WriteAdapterCustomProperty("UseSSO", UseSSO);
propertyBag.WriteAdapterCustomProperty("AffiliateApplicationName", AffiliateApplicationName);
propertyBag.WriteAdapterCustomProperty("Certificate", Certificate);
}
/// <summary>
/// Sets scheme to the built authentication header value with the provided AuthenticationScheme enumeration.
/// </summary>
/// <param name="scheme">Enumeration with default authentication header schemes.</param>
/// <returns>Authentication header value parameter builder.</returns>
public IAuthenticationHeaderValueParameterBuilder WithScheme(AuthenticationScheme scheme)
{
this.authenticatedHeaderValue.Scheme = scheme.ToString();
return(this);
}
/// <summary>
/// Sets scheme to the built authentication header value with the provided AuthenticationScheme enumeration.
/// </summary>
/// <param name="scheme">Enumeration with default authentication header schemes.</param>
/// <returns>Authentication header value parameter builder.</returns>
public IAuthenticationHeaderValueParameterBuilder WithScheme(AuthenticationScheme scheme)
{
this.authenticatedHeaderValue.Scheme = scheme.ToString();
return this;
}
/// <summary>
/// Tests whether an unauthorized result contains authentication header with the provided default scheme.
/// </summary>
/// <param name="scheme">Enumeration containing default schemes.</param>
/// <returns>Unauthorized result test builder with AndAlso() method.</returns>
public IAndUnauthorizedTestBuilder ContainingAuthenticationHeaderChallenge(AuthenticationScheme scheme)
{
return(this.ContainingAuthenticationHeaderChallenge(scheme.ToString()));
}
private HttpClient CreateHttpClient(AuthenticationScheme authScheme = AuthenticationScheme.None, string token = "", ContentType contentType = ContentType.Json)
{
HttpClient httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(GetEnumDescription(contentType)));
if (this.headers.Count > 0)
{
foreach (var header in headers)
{
httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
if (!string.IsNullOrEmpty(token) && (uint)authScheme > 0U)
{
this._logger.LogDebug("Authorization: {0}", (object)(httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(authScheme.ToString("G"), token)));
}
return(httpClient);
}