/// <summary>
/// Called just before issuing request to third-party service when everything is ready.
/// Allows to add extra parameters to request or do any other needed preparations.
/// </summary>
protected override void BeforeGetUserInfo(BeforeAfterRequestArgs args)
{
// Source document
// http://dev.odnoklassniki.ru/wiki/pages/viewpage.action?pageId=12878032
args.Request.AddParameter("application_key", _configuration.ClientPublic);
args.Request.AddParameter("method", "users.getCurrentUser");
// workaround for current design, oauth_token is always present in URL, so we need emulate it for correct request signing
var fakeParam = new Parameter() { Name = "oauth_token", Value = AccessToken };
args.Request.AddParameter(fakeParam);
// Signing.
// Call API methods using access_token instead of session_key parameter
// Calculate every request signature parameter sig using a little bit different way described in
// http://dev.odnoklassniki.ru/wiki/display/ok/Authentication+and+Authorization
// sig = md5( request_params_composed_string+ md5(access_token + application_secret_key) )
// Don't include access_token into request_params_composed_string
string signature = string.Concat(args.Request.Parameters.OrderBy(x => x.Name).Select(x => string.Format("{0}={1}", x.Name, x.Value)).ToList());
signature = (signature + (AccessToken + _configuration.ClientSecret).GetMd5Hash()).GetMd5Hash();
// Removing fake param to prevent dups
args.Request.Parameters.Remove(fakeParam);
args.Request.AddParameter("access_token", AccessToken);
args.Request.AddParameter("sig", signature);
}
/// <summary>
/// Add a default parameter to a REST client
/// </summary>
/// <param name="client">REST client to add the new parameter to</param>
/// <param name="parameter">The parameter to add</param>
/// <returns>The REST client to allow call chains</returns>
public static IRestClient AddDefaultParameter(this IRestClient client, Parameter parameter)
{
if (parameter.Type == ParameterType.RequestBody)
throw new NotSupportedException("Cannot set request body from default headers. Use Request.AddBody() instead.");
client.DefaultParameters.Add(parameter);
return client;
}
/// <inheritdoc/>
public void CopyTo(Parameter[] array, int arrayIndex)
{
foreach (var dictItem in _dictionary)
{
foreach (var item in dictItem.Value)
{
array[arrayIndex++] = item.Parameter;
}
}
}
/// <inheritdoc/>
public void AddOrUpdate(Parameter parameter)
{
ulong order;
var key = new ParameterKey(parameter);
IReadOnlyCollection<ParameterEntry> oldEntries;
if (_dictionary.TryGetValue(key, out oldEntries))
{
order = oldEntries.First().Order;
_dictionary.Remove(key);
}
else
{
order = _order++;
}
_dictionary.Add(key, new ParameterEntry(order, parameter));
}
private static string UrlEncode(Parameter parameter, Encoding encoding, bool spaceAsPlus)
{
var flags = spaceAsPlus ? UrlEscapeFlags.EscapeSpaceAsPlus : UrlEscapeFlags.Default;
if (parameter.Value == null)
return string.Empty;
var s = parameter.Value as string;
if (s != null)
return UrlUtility.Escape(s, encoding, flags);
var bytes = parameter.Value as byte[];
if (bytes != null)
return UrlUtility.Escape(bytes, flags);
return UrlUtility.Escape(parameter.ToRequestString(), encoding, flags);
}
/// <summary>
/// Generic add parameters function
/// </summary>
/// <param name="request">The REST request to add this parameter to</param>
/// <param name="parameter">Parameter to add</param>
/// <returns>The request object to allow call chains</returns>
public static IRestRequest AddParameter(this IRestRequest request, Parameter parameter)
{
request.Parameters.Add(parameter);
return request;
}
/// <summary>
/// Returns the HttpContent for the body parameter
/// </summary>
/// <param name="request">The request the body parameter belongs to</param>
/// <param name="body">The body parameter</param>
/// <returns>The resulting HttpContent</returns>
private static HttpContent GetBodyContent(this IRestRequest request, Parameter body)
{
if (body == null)
return null;
MediaTypeHeaderValue contentType;
byte[] buffer;
if (body.Value is byte[])
{
buffer = (byte[])body.Value;
contentType = body.ContentType;
}
else
{
buffer = request.Serializer.Serialize(body.Value);
contentType = request.Serializer.ContentType;
}
var content = new ByteArrayContent(buffer);
content.Headers.ContentType = contentType;
content.Headers.ContentLength = buffer.Length;
return content;
}
/// <summary>
/// Called just before issuing request to third-party service when everything is ready.
/// Allows to add extra parameters to request or do any other needed preparations.
/// </summary>
protected override void BeforeGetUserInfo(BeforeAfterRequestArgs args)
{
// Source documents
// http://api.mail.ru/docs/guides/restapi/
// http://api.mail.ru/docs/reference/rest/users.getInfo/
args.Request.AddOrUpdateParameter("app_id", _configuration.ClientId);
args.Request.AddOrUpdateParameter("method", "users.getInfo");
args.Request.AddOrUpdateParameter("secure", "1");
args.Request.AddOrUpdateParameter("session_key", AccessToken);
// workaround for current design, oauth_token is always present in URL, so we need emulate it for correct request signing
var fakeParam = new Parameter { Name = "oauth_token", Value = AccessToken };
args.Request.AddParameter(fakeParam);
//sign=hex_md5('app_id={client_id}method=users.getInfosecure=1session_key={access_token}{secret_key}')
string signature = string.Concat(args.Request.Parameters.OrderBy(x => x.Name).Select(x => string.Format("{0}={1}", x.Name, x.Value)).ToList());
signature = (signature+_configuration.ClientSecret).GetMd5Hash();
args.Request.Parameters.Remove(fakeParam);
args.Request.AddOrUpdateParameter("sig", signature);
}
public EncodedParameter(Parameter parameter)
{
Name = UrlUtility.Escape(parameter.Name);
_parameter = parameter;
}
/// <summary>
/// Generic add parameters function
/// </summary>
/// <param name="request">The REST request to add this parameter to</param>
/// <param name="parameter">Parameter to add</param>
/// <returns>The request object to allow call chains</returns>
public static IRestRequest AddParameter(this IRestRequest request, Parameter parameter)
{
if (parameter.Type == ParameterType.UrlSegment || parameter.Type == ParameterType.RequestBody || parameter is FileParameter)
{
request.Parameters.AddOrUpdate(parameter);
}
else
{
request.Parameters.Add(parameter);
}
return request;
}
/// <inheritdoc/>
public bool Remove(Parameter item)
{
var key = new ParameterKey(item);
IReadOnlyCollection<ParameterEntry> entries;
if (!_dictionary.TryGetValue(key, out entries))
return false;
var entry = entries.FirstOrDefault(x => ReferenceEquals(x.Parameter, item));
if (entry == null)
return false;
return _dictionary.Remove(key, entry);
}
/// <inheritdoc/>
public bool Contains(Parameter item)
{
return _dictionary.ContainsKey(new ParameterKey(item));
}
/// <inheritdoc/>
public void Add(Parameter item)
{
_dictionary.Add(new ParameterKey(item), new ParameterEntry(_order++, item));
}
public ParameterEntry(ulong order, Parameter param)
{
Order = order;
Parameter = param;
}
/// <summary>
/// Initializes a new instance of the <see cref="ParameterKey"/> class.
/// </summary>
/// <param name="parameter">The parameter to create the key from</param>
public ParameterKey(Parameter parameter)
: this(parameter.Type, parameter.Name)
{
}
public EncodedParameter(Parameter parameter)
{
Name = UrlUtility.Escape(parameter.Name);
_parameter = parameter;
}