/// <summary>
/// Gets the authorization query for a signed request.
/// </summary>
/// <param name="signer">The request signer.</param>
/// <param name='method'>HTTP request method.</param>
/// <param name='uri'>The request resource URI.</param>
/// <param name="options">The OAuth options.</param>
/// <param name='parameters'>Request Parameters, see http://tools.ietf.org/html/rfc5849#section-3.4.1.3 </param>
/// <param name="tokenCredentials">Token Credentials.</param>
/// <returns>The authorization header.</returns>
/// <exception cref="ArgumentNullException"></exception>
public static IDictionary <string, StringValues> AppendAuthorizationParameters(
this IRequestSigner signer, HttpMethod method, Uri uri, OAuthOptions options,
IDictionary <string, StringValues>?parameters = null, OAuthCredential?tokenCredentials = null)
{
if (signer == null)
{
throw new ArgumentNullException(nameof(signer));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
parameters ??= new Dictionary <string, StringValues>();
if (tokenCredentials != null && !string.IsNullOrWhiteSpace(tokenCredentials.Value.Key))
{
parameters[OAuthDefaults.OAuthToken] = tokenCredentials.Value.Key;
}
parameters[OAuthDefaults.OAuthNonce] = options.NonceProvider();
parameters[OAuthDefaults.OAuthTimestamp] = options.TimestampProvider();
if (options.ProvideVersion)
{
parameters[OAuthDefaults.OAuthVersion] = OAuthDefaults.Version1;
}
parameters[OAuthDefaults.OAuthConsumerKey] = options.ClientCredentials.Key;
parameters[OAuthDefaults.OAuthSignatureMethod] = signer.MethodName;
parameters[OAuthDefaults.OAuthSignature] = signer.GetSignature(method, uri, parameters, options.ClientCredentials.Secret, tokenCredentials?.Secret);
return(parameters);
}
/// <summary>
/// Gets the authorization header for a signed request.
/// </summary>
/// <param name="signer">The request signer.</param>
/// <param name='method'>HTTP request method.</param>
/// <param name='uri'>The request resource URI.</param>
/// <param name="options">The OAuth options.</param>
/// <param name='parameters'>Request Parameters, see http://tools.ietf.org/html/rfc5849#section-3.4.1.3 </param>
/// <param name="tokenCredentials">Token Credentials.</param>
/// <returns>The authorization header.</returns>
/// <exception cref="ArgumentNullException"></exception>
public static AuthenticationHeaderValue GetAuthorizationHeader(this IRequestSigner signer,
HttpMethod method,
Uri uri,
OAuthOptions options,
IDictionary <string, StringValues>?parameters = null,
OAuthCredential?tokenCredentials = null)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var query = AppendAuthorizationParameters(signer, method, uri, options, parameters, tokenCredentials);
var values = new List <string>();
foreach (var entry in query.Where(p => p.Key.StartsWith(OAuthDefaults.OAuthPrefix, StringComparison.Ordinal)))
{
foreach (var value in entry.Value)
{
values.Add($"{options.PercentEncoder(entry.Key)}=\"{options.PercentEncoder(value)}\"");
}
}
var headerValue = string.Join(",", values);
if (options.Realm != null && !string.IsNullOrWhiteSpace(options.Realm))
{
return(new AuthenticationHeaderValue(OAuthDefaults.OAuthScheme, $"{OAuthDefaults.Realm}=\"{options.PercentEncoder(options.Realm)}\",{headerValue}"));
}
return(new AuthenticationHeaderValue(OAuthDefaults.OAuthScheme, headerValue));
}
protected RequestSignerBase()
{
Options = new OAuthOptions();
}
protected RequestSignerBase(OAuthOptions options)
{
Options = options ?? new OAuthOptions();
}
public HmacSha1RequestSigner(OAuthOptions options) : base(options)
{
}
