private bool Equals(RequestId other)
{
return this.Timestamp == other.Timestamp
&& string.Equals(this.Nonce, other.Nonce)
&& string.Equals(this.ConsumerKey, other.ConsumerKey)
&& string.Equals(this.Token, other.Token);
}
// Checks whether the supplied nonce, timestamp and consumer key combination is unique within
// the current window.
protected virtual RequestId ValidateNonce(string nonce, long timestamp, string consumerKey, string token)
{
RequestId currentId = new RequestId(timestamp, nonce, consumerKey, token);
bool foundClash = false;
// Lock the request cache while we look for the current id
lock (SyncRoot)
{
if (this.RequestCache.ContainsKey(currentId.Timestamp))
{
// Get all requests with the same timestamp
IList<RequestId> requests = this.RequestCache[currentId.Timestamp];
foreach (RequestId request in requests)
if (request == currentId)
{
foundClash = true;
break;
}
}
// If we didn't find a clash, store the current id in the cache
if (!foundClash)
{
if (!this.RequestCache.ContainsKey(currentId.Timestamp))
this.RequestCache[currentId.Timestamp] = new List<RequestId>();
this.RequestCache[currentId.Timestamp].Add(currentId);
}
}
// If we did find a clash, throw a nonce used OAuthRequestException
if (foundClash)
OAuthRequestException.ThrowNonceUsed(null);
return currentId;
}