private String getParameter(OAuthMessage requestMessage, String key)
{
try
{
return requestMessage.getParameter(key);
}
catch
{
return null;
}
}
/** This implementation doesn't check the nonce value. */
protected void validateTimestampAndNonce(OAuthMessage message)
{
message.requireParameters(new[] { OAuth.OAUTH_TIMESTAMP, OAuth.OAUTH_NONCE });
DateTime timestamp = UnixTime.ToDateTime(double.Parse(message.getParameter(OAuth.OAUTH_TIMESTAMP)));
DateTime now = DateTime.UtcNow;
DateTime min = now.AddSeconds(0 - timestampWindow);
DateTime max = now.AddSeconds(timestampWindow);
if (timestamp < min || max < timestamp)
{
OAuthProblemException problem = new OAuthProblemException("timestamp_refused");
problem.setParameter("oauth_acceptable_timestamps", min + "-" + max);
throw problem;
}
}
protected void validateVersion(OAuthMessage message)
{
String versionString = message.getParameter(OAuth.OAUTH_VERSION);
if (versionString != null)
{
double version = double.Parse(versionString);
if (version < minVersion || maxVersion < version)
{
OAuthProblemException problem = new OAuthProblemException("version_rejected");
problem.setParameter("oauth_acceptable_versions", minVersion + "-" + maxVersion);
throw problem;
}
}
}
/** This implementation doesn't check the nonce value. */
protected void validateTimestampAndNonce(OAuthMessage message)
{
message.requireParameters(new[] { OAuth.OAUTH_TIMESTAMP, OAuth.OAUTH_NONCE });
DateTime timestamp = UnixTime.ToDateTime(double.Parse(message.getParameter(OAuth.OAUTH_TIMESTAMP)));
DateTime now = DateTime.UtcNow;
DateTime min = now.AddSeconds(0 - timestampWindow);
DateTime max = now.AddSeconds(timestampWindow);
if (timestamp < min || max < timestamp)
{
OAuthProblemException problem = new OAuthProblemException("timestamp_refused");
problem.setParameter("oauth_acceptable_timestamps", min + "-" + max);
throw problem;
}
}
protected void validateVersion(OAuthMessage message)
{
String versionString = message.getParameter(OAuth.OAUTH_VERSION);
if (versionString != null)
{
double version = double.Parse(versionString);
if (version < minVersion || maxVersion < version)
{
OAuthProblemException problem = new OAuthProblemException("version_rejected");
problem.setParameter("oauth_acceptable_versions", minVersion + "-" + maxVersion);
throw problem;
}
}
}
public OAuthProtocolException(OAuthMessage reply)
{
String problem = reply.getParameter(OAuthProblemException.OAUTH_PROBLEM);
if (problem == null)
{
throw new ArgumentException(
"No problem reported for OAuthProtocolException");
}
problemCode = problem;
if (fatalProblems.Contains(problem))
{
startFromScratch = true;
canRetry = false;
canExtend = false;
}
else if (temporaryProblems.Contains(problem))
{
startFromScratch = false;
canRetry = false;
canExtend = false;
}
else if (extensionProblems.Contains(problem))
{
startFromScratch = false;
canRetry = true;
canExtend = true;
}
else
{
startFromScratch = true;
canRetry = true;
canExtend = false;
}
}
public static String getParameter(OAuthMessage message, String name)
{
return message.getParameter(name);
}
