/// <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.Select(x => new WebParameter(x.Name, x.Value, x.Type)));
var exclusions = copy.Where(n => string.Equals(n.Name, "oauth_signature", StringComparison.OrdinalIgnoreCase));
copy.RemoveAll(exclusions);
copy.ForEach(p =>
{
p.Name = UrlEncodeStrict(p.Name);
if (p.Type == WebParameterType.Query)
{
// Parameter provided by the user
p.Value = _escapeUtility.Escape(p.Value, _encoding, UrlEscapeFlags.AllowLikeWebRequest);
}
else
{
// Authorization or POST parameter
p.Value = UrlEncodeStrict(p.Value);
}
});
copy.Sort(
(x, y) =>
string.CompareOrdinal(x.Name, y.Name) != 0
? string.CompareOrdinal(x.Name, y.Name)
: string.CompareOrdinal(x.Value, y.Value));
return(copy);
}
/// <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 => string.Equals(n.Name, "oauth_signature", StringComparison.OrdinalIgnoreCase));
copy.RemoveAll(exclusions);
copy.ForEach(p => { p.Name = UrlEncodeStrict(p.Name); p.Value = UrlEncodeStrict(p.Value); });
copy.Sort(
(x, y) =>
string.CompareOrdinal(x.Name, y.Name) != 0
? string.CompareOrdinal(x.Name, y.Name)
: string.CompareOrdinal(x.Value, y.Value));
return(copy);
}
/// <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.Select(x => new WebParameter(x.Name, x.Value, x.Type)));
var exclusions = copy.Where(n => string.Equals(n.Name, "oauth_signature", StringComparison.OrdinalIgnoreCase));
copy.RemoveAll(exclusions);
copy.ForEach(p =>
{
p.Name = UrlEncodeStrict(p.Name);
if (p.Type == WebParameterType.Query)
{
// Parameter provided by the user
p.Value = _escapeUtility.Escape(p.Value, _encoding, UrlEscapeFlags.AllowLikeWebRequest);
}
else
{
// Authorization or POST parameter
p.Value = UrlEncodeStrict(p.Value);
}
});
copy.Sort(
(x, y) =>
string.CompareOrdinal(x.Name, y.Name) != 0
? string.CompareOrdinal(x.Name, y.Name)
: string.CompareOrdinal(x.Value, y.Value));
return copy;
}
/// <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 => string.Equals(n.Name, "oauth_signature", StringComparison.OrdinalIgnoreCase));
copy.RemoveAll(exclusions);
copy.ForEach(p => { p.Name = UrlEncodeStrict(p.Name); p.Value = UrlEncodeStrict(p.Value); });
copy.Sort(
(x, y) =>
string.CompareOrdinal(x.Name, y.Name) != 0
? string.CompareOrdinal(x.Name, y.Name)
: string.CompareOrdinal(x.Value, y.Value));
return copy;
}
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);
}
