private string GetAuthorizationHeader(WebParameterCollection parameters)
{
var sb = new StringBuilder();
if (!string.IsNullOrEmpty(Realm))
{
sb.Append(string.Format("realm=\"{0}\",", OAuthTools.UrlEncodeRelaxed(Realm)));
}
parameters.Sort((l, r) => string.Compare(l.Name, r.Name, StringComparison.Ordinal));
var parameterCount = 0;
var oathParameters = parameters.Where(
parameter => !string.IsNullOrEmpty(parameter.Name) &&
!string.IsNullOrEmpty(parameter.Value) &&
(parameter.Name.StartsWith("oauth_") || parameter.Name.StartsWith("x_auth_"))).ToList();
foreach (var parameter in oathParameters)
{
parameterCount++;
var format = parameterCount < oathParameters.Count ? "{0}=\"{1}\"," : "{0}=\"{1}\"";
sb.Append(string.Format(format, parameter.Name, parameter.Value));
}
var authorization = sb.ToString();
return(string.Format("{0} {1}", AuthenticationMethod, authorization));
}
/// <summary>
/// Sorts a <see cref="WebParameterCollection"/> by name, and then value if equal.
/// </summary>
/// <param name="parameters">A collection of parameters to sort</param>
/// <returns>A sorted parameter collection</returns>
public static WebParameterCollection SortParametersExcludingSignature(WebParameterCollection parameters)
{
var copy = new WebParameterCollection(parameters);
var exclusions = copy.Where(n => n.Name.EqualsIgnoreCase("oauth_signature"));
copy.RemoveAll(exclusions);
copy.ForEach(p => p.Value = UrlEncodeStrict(p.Value));
copy.Sort((x, y) => x.Name.Equals(y.Name) ? x.Value.CompareTo(y.Value) : x.Name.CompareTo(y.Name));
return(copy);
}
private string WriteAuthorizationHeader(WebParameterCollection parameters)
{
var sb = new StringBuilder("OAuth ");
if (!IsNullOrBlank(Realm))
{
sb.AppendFormat("realm=\"{0}\",", OAuthTools.UrlEncodeRelaxed(Realm));
}
parameters.Sort((l, r) => l.Name.CompareTo(r.Name));
var count = 0;
foreach (var parameter in parameters.Where(parameter =>
!IsNullOrBlank(parameter.Name) &&
!IsNullOrBlank(parameter.Value) &&
parameter.Name.StartsWith("oauth_")))
{
count++;
var format = count < parameters.Count ? "{0}=\"{1}\"," : "{0}=\"{1}\"";
sb.AppendFormat(format, parameter.Name, parameter.Value);
}
var authorization = sb.ToString();
return authorization;
}
private static string WriteAuthorizationQuery(WebParameterCollection parameters)
{
var sb = new StringBuilder();
parameters.Sort((l, r) => l.Name.CompareTo(r.Name));
var count = 0;
foreach (var parameter in parameters.Where(parameter =>
!IsNullOrBlank(parameter.Name) &&
!IsNullOrBlank(parameter.Value) &&
parameter.Name.StartsWith("oauth_")))
{
count++;
var format = count < parameters.Count ? "{0}={1}&" : "{0}={1}";
sb.AppendFormat(format, parameter.Name, parameter.Value);
}
var authorization = sb.ToString();
return authorization;
}
/// <summary>
/// Sorts a <see cref="WebParameterCollection"/> by name, and then value if equal.
/// </summary>
/// <param name="parameters">A collection of parameters to sort</param>
/// <returns>A sorted parameter collection</returns>
public static WebParameterCollection SortParametersExcludingSignature(WebParameterCollection parameters)
{
var copy = new WebParameterCollection(parameters);
var exclusions = copy.Where(n => EqualsIgnoreCase(n.Name, "oauth_signature"));
copy.RemoveAll(exclusions);
foreach(var parameter in copy)
{
parameter.Value = UrlEncodeStrict(parameter.Value);
}
copy.Sort((x, y) => x.Name.Equals(y.Name) ? x.Value.CompareTo(y.Value) : x.Name.CompareTo(y.Name));
return copy;
}
private string WriteAuthorizationHeader(WebParameterCollection parameters)
{
var sb = new StringBuilder("OAuth ");
if (!IsNullOrBlank(Realm))
{
sb.AppendFormat("realm=\"{0}\",", OAuthTools.UrlEncodeRelaxed(Realm));
}
parameters.Sort((l, r) => l.Name.CompareTo(r.Name));
foreach (var parameter in parameters.Where(parameter =>
!IsNullOrBlank(parameter.Name) &&
!IsNullOrBlank(parameter.Value) &&
(parameter.Name.StartsWith("oauth_") || parameter.Name.StartsWith("x_auth_"))))
{
sb.AppendFormat("{0}=\"{1}\",", parameter.Name, parameter.Value);
}
sb.Remove(sb.Length - 1, 1);
var authorization = sb.ToString();
return authorization;
}
/// <summary>
/// Sorts a <see cref="WebParameterCollection"/> by name, and then value if equal.
/// </summary>
/// <param name="parameters">A collection of parameters to sort</param>
/// <returns>A sorted parameter collection</returns>
public static WebParameterCollection SortParametersExcludingSignature(WebParameterCollection parameters)
{
var copy = new WebParameterCollection(parameters);
var exclusions = copy.Where(n => n.Name.EqualsIgnoreCase("oauth_signature"));
copy.RemoveAll(exclusions);
copy.ForEach(p => p.Value = UrlEncode(p.Value)); // values are effectively double-encoded
copy.Sort((x, y) => x.Name.Equals(y.Name) ? x.Value.CompareTo(y.Value) : x.Name.CompareTo(y.Name));
return copy;
}