/// <summary>
/// Analyzes an incoming request message payload to discover what kind of
/// message is embedded in it and returns the type, or null if no match is found.
/// </summary>
/// <param name="recipient">The intended or actual recipient of the request message.</param>
/// <param name="fields">The name/value pairs that make up the message payload.</param>
/// <returns>
/// A newly instantiated <see cref="IProtocolMessage"/>-derived object that this message can
/// deserialize to. Null if the request isn't recognized as a valid protocol message.
/// </returns>
/// <remarks>
/// The request messages are:
/// UserAuthorizationResponse
/// </remarks>
public virtual IDirectedProtocolMessage GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary<string, string> fields) {
MessageBase message = null;
if (fields.ContainsKey("oauth_token")) {
Protocol protocol = fields.ContainsKey("oauth_verifier") ? Protocol.V10a : Protocol.V10;
message = new UserAuthorizationResponse(recipient.Location, protocol.Version);
}
if (message != null) {
message.SetAsIncoming();
}
return message;
}
/// <summary>
/// Analyzes an incoming request message payload to discover what kind of
/// message is embedded in it and returns the type, or null if no match is found.
/// </summary>
/// <param name="recipient">The intended or actual recipient of the request message.</param>
/// <param name="fields">The name/value pairs that make up the message payload.</param>
/// <returns>
/// A newly instantiated <see cref="IProtocolMessage"/>-derived object that this message can
/// deserialize to. Null if the request isn't recognized as a valid protocol message.
/// </returns>
/// <remarks>
/// The request messages are:
/// UserAuthorizationResponse
/// </remarks>
public virtual IDirectedProtocolMessage GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary<string, string> fields)
{
ErrorUtilities.VerifyArgumentNotNull(recipient, "recipient");
ErrorUtilities.VerifyArgumentNotNull(fields, "fields");
MessageBase message = null;
if (fields.ContainsKey("oauth_token")) {
message = new UserAuthorizationResponse(recipient.Location);
}
if (message != null) {
message.SetAsIncoming();
}
return message;
}
public UserAuthorizationResponse PrepareAuthorizationResponse(UserAuthorizationRequest request, Uri callback) {
Requires.NotNull(request, "request");
Requires.NotNull(callback, "callback");
var authorization = new UserAuthorizationResponse(callback, request.Version) {
RequestToken = request.RequestToken,
};
if (authorization.Version >= Protocol.V10a.Version) {
authorization.VerificationCode = CreateVerificationCode(VerificationCodeFormat.IncludedInCallback, VerifierCodeLength);
}
return authorization;
}
public UserAuthorizationResponse PrepareAuthorizationResponse(UserAuthorizationRequest request)
{
ErrorUtilities.VerifyArgumentNotNull(request, "request");
if (request.Callback != null) {
var authorization = new UserAuthorizationResponse(request.Callback) {
RequestToken = request.RequestToken,
};
return authorization;
} else {
return null;
}
}
public UserAuthorizationResponse PrepareAuthorizationResponse(UserAuthorizationRequest request, Uri callback) {
Contract.Requires<ArgumentNullException>(request != null);
Contract.Requires<ArgumentNullException>(callback != null);
var authorization = new UserAuthorizationResponse(callback, request.Version) {
RequestToken = request.RequestToken,
};
if (authorization.Version >= Protocol.V10a.Version) {
authorization.VerificationCode = CreateVerificationCode(VerificationCodeFormat.IncludedInCallback, VerifierCodeLength);
}
return authorization;
}
