/// <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.Name = UrlEncodeStrict(p.Name);
p.Value = UrlEncodeStrict(p.Value);
}
);
copy.Sort(
(x, y) =>
{
var compareName = string.CompareOrdinal(x.Name, y.Name);
return(compareName != 0
? compareName
: 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 => 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);
}
/// <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)
{
WebParameterCollection copy = new WebParameterCollection(parameters);
IEnumerable<WebPair> exclusions = copy.Where(n => n.Name.EqualsIgnoreCase("oauth_signature"));
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 void AddOAuthData(IRestClient client, IRestRequest request, OAuthWorkflow workflow)
{
string url = client.BuildUri(request)
.ToString();
int queryStringStart = url.IndexOf('?');
if (queryStringStart != -1)
{
url = url.Substring(0, queryStringStart);
}
OAuthWebQueryInfo oauth;
string method = request.Method.ToString()
.ToUpperInvariant();
WebParameterCollection parameters = new WebParameterCollection();
// include all GET and POST parameters before generating the signature
// according to the RFC 5849 - The OAuth 1.0 Protocol
// http://tools.ietf.org/html/rfc5849#section-3.4.1
// if this change causes trouble we need to introduce a flag indicating the specific OAuth implementation level,
// or implement a seperate class for each OAuth version
if (!request.AlwaysMultipartFormData && !request.Files.Any())
{
parameters.AddRange(
client.DefaultParameters
.Where(p => p.Type == ParameterType.GetOrPost || p.Type == ParameterType.QueryString)
.Select(p => new WebPair(p.Name, p.Value.ToString())));
parameters.AddRange(
request.Parameters
.Where(p => p.Type == ParameterType.GetOrPost || p.Type == ParameterType.QueryString)
.Select(p => new WebPair(p.Name, p.Value.ToString())));
}
else
{
// if we are sending a multipart request, only the "oauth_" parameters should be included in the signature
parameters.AddRange(
client.DefaultParameters
.Where(p => (p.Type == ParameterType.GetOrPost || p.Type == ParameterType.QueryString)
&& p.Name.StartsWith("oauth_"))
.Select(p => new WebPair(p.Name, p.Value.ToString())));
parameters.AddRange(
request.Parameters
.Where(p => (p.Type == ParameterType.GetOrPost || p.Type == ParameterType.QueryString)
&& p.Name.StartsWith("oauth_"))
.Select(p => new WebPair(p.Name, p.Value.ToString())));
}
switch (this.Type)
{
case OAuthType.RequestToken:
workflow.RequestTokenUrl = url;
oauth = workflow.BuildRequestTokenInfo(method, parameters);
break;
case OAuthType.AccessToken:
workflow.AccessTokenUrl = url;
oauth = workflow.BuildAccessTokenInfo(method, parameters);
break;
case OAuthType.ClientAuthentication:
workflow.AccessTokenUrl = url;
oauth = workflow.BuildClientAuthAccessTokenInfo(method, parameters);
break;
case OAuthType.ProtectedResource:
oauth = workflow.BuildProtectedResourceInfo(method, parameters, url);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (this.ParameterHandling)
{
case OAuthParameterHandling.HttpAuthorizationHeader:
parameters.Add("oauth_signature", oauth.Signature);
request.AddHeader("Authorization", this.GetAuthorizationHeader(parameters));
break;
case OAuthParameterHandling.UrlOrPostParameters:
parameters.Add("oauth_signature", oauth.Signature);
request.Parameters.AddRange(
parameters.Where(p => !p.Name.IsNullOrBlank() &&
(p.Name.StartsWith("oauth_") || p.Name.StartsWith("x_auth_")))
.Select(p => new Parameter
{
Name = p.Name,
Value = HttpUtility.UrlDecode(p.Value),
Type = ParameterType.GetOrPost
}));
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void AddOAuthData(IRestClient client, IRestRequest request, OAuthWorkflow workflow)
{
var url = client.BuildUri(request).ToString();
var queryStringStart = url.IndexOf('?');
if (queryStringStart != -1)
url = url.Substring(0, queryStringStart);
OAuthWebQueryInfo oauth;
var method = request.Method.ToString().ToUpperInvariant();
var parameters = new WebParameterCollection();
// include all GET and POST parameters before generating the signature
// according to the RFC 5849 - The OAuth 1.0 Protocol
// http://tools.ietf.org/html/rfc5849#section-3.4.1
// if this change causes trouble we need to introduce a flag indicating the specific OAuth implementation level,
// or implement a seperate class for each OAuth version
foreach (var p in client.DefaultParameters.Where(p => p.Type == ParameterType.GetOrPost))
{
parameters.Add( new WebPair( p.Name, p.Value.ToString() ) );
}
foreach (var p in request.Parameters.Where(p => p.Type == ParameterType.GetOrPost))
{
parameters.Add(new WebPair(p.Name, p.Value.ToString()));
}
switch (Type)
{
case OAuthType.RequestToken:
workflow.RequestTokenUrl = url;
oauth = workflow.BuildRequestTokenInfo(method, parameters);
break;
case OAuthType.AccessToken:
workflow.AccessTokenUrl = url;
oauth = workflow.BuildAccessTokenInfo(method, parameters);
break;
case OAuthType.ClientAuthentication:
workflow.AccessTokenUrl = url;
oauth = workflow.BuildClientAuthAccessTokenInfo(method, parameters);
break;
case OAuthType.ProtectedResource:
oauth = workflow.BuildProtectedResourceInfo(method, parameters, url);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (ParameterHandling)
{
case OAuthParameterHandling.HttpAuthorizationHeader:
parameters.Add("oauth_signature", oauth.Signature);
request.AddHeader("Authorization", GetAuthorizationHeader(parameters));
break;
case OAuthParameterHandling.UrlOrPostParameters:
parameters.Add("oauth_signature", oauth.Signature);
foreach (var parameter in parameters.Where(parameter => !parameter.Name.IsNullOrBlank() && parameter.Name.StartsWith("oauth_")))
{
request.AddParameter(parameter.Name, HttpUtility.UrlDecode(parameter.Value));
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <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;
}
