/// <summary>
/// Adds the request to the proxy data store
/// </summary>
protected void AddRequestToDataStore()
{
TVRequestInfo currDataStoreRequestInfo = new TVRequestInfo();
currDataStoreRequestInfo.RequestLine = _requestInfo.RequestLine;
currDataStoreRequestInfo.Description = _requestDescription;
currDataStoreRequestInfo.RequestTime = _currentRequestTime;
currDataStoreRequestInfo.ThreadId = Utils.GetCurrentWin32ThreadId().ToString();
currDataStoreRequestInfo.IsHttps = _requestInfo.IsSecure;
currDataStoreRequestInfo.Host = _requestInfo.Host;
int reqId = TrafficDataStore.AddRequestInfo(currDataStoreRequestInfo);
if (reqId != -1)
{
_currentRequestResponseBytes = new RequestResponseBytes();
_currentRequestResponseBytes.AddToRequest(_requestInfo.ToArray(false));
//saving the request in a direct to site format, since it will come
//in proxy format GET http://site.com/ rather than GET /,
//if we need a server to connect to the target the client will handle that
TrafficDataStore.SaveRequest(reqId, _currentRequestResponseBytes);
_currDataStoreRequestInfo = TrafficDataStore.GetRequestInfo(reqId);
}
}
protected override HttpRequestInfo OnBeforeRequestToSite(HttpRequestInfo requestInfo)
{
requestInfo = base.OnBeforeRequestToSite(requestInfo);
if (!_isNonEssential)
{
bool mutated;
requestInfo = _parentProxy.HandleRequest(requestInfo, out mutated);
if (mutated)
{
CurrDataStoreRequestInfo.Description = "Custom Test";
}
TrafficDataStore.SaveRequest(CurrDataStoreRequestInfo.Id, requestInfo.ToArray(false));
TrafficDataStore.UpdateRequestInfo(CurrDataStoreRequestInfo);
}
return(requestInfo);
}
private void TrackRequestContext(HttpRequestInfo requestInfo)
{
foreach (TrackingPattern pattern in _autoTrackingPatternList.Values)
{
string rawRequest = requestInfo.ToString();
string needle = Utils.RegexFirstGroupValue(rawRequest, pattern.RequestPattern);
if (String.IsNullOrWhiteSpace(needle))
{
continue;
}
//first search for the path of the current request in responses
LineMatches results = SearchParameterValue(needle);
if (results.Count == 0)
{
needle = Utils.UrlDecode(needle);
results = SearchParameterValue(needle);
}
//if any of the two searches returned results
if (results.Count != 0)
{
//get the last match to extract the request context
var match = results[results.Count - 1];
CurrDataStoreRequestInfo.RefererId = match.RequestId;
//replace the path in the match
string requestContext = match.Line.Replace(needle, REQ_CONTEXT_ID);
if (requestContext.Length > MAX_REQUEST_CONTEXT_SIZE)
{
requestContext = TrimRequestContext(requestContext);
}
//also replace hexadecimal values
requestContext = Regex.Replace(requestContext, HEX_REGEX, HEX_VAL);
//escape the line
requestContext = Regex.Escape(requestContext);
//insert the group
requestContext = requestContext.Replace(REQ_CONTEXT_ID, RX_GROUP);
//insert the HEX regex
requestContext = requestContext.Replace(HEX_VAL, HEX_REGEX);
CurrDataStoreRequestInfo.RequestContext = requestContext;
CurrDataStoreRequestInfo.TrackingPattern = pattern.Name;
TrafficDataStore.UpdateRequestInfo(CurrDataStoreRequestInfo);
string originalPath = requestInfo.Path;
CurrDataStoreRequestInfo.UpdatedPath = originalPath;
//change the path of the request
HttpRequestInfo newReq = new HttpRequestInfo(requestInfo.ToArray(false), false);
//we are only replacing the last portion of the path and the query string to prevent relative path issues and also cookie path issues
int lastIndexOfSlash = originalPath.LastIndexOf('/');
if (lastIndexOfSlash >= 0)
{
originalPath = originalPath.Substring(0, lastIndexOfSlash + 1);
}
newReq.Path = String.Format("{0}{1}{2}", originalPath, REQ_ID_STRING, CurrDataStoreRequestInfo.Id);
TrafficDataStore.SaveRequest(CurrDataStoreRequestInfo.Id, newReq.ToArray(false));
HttpServerConsole.Instance.WriteLine
("Found request context for request '{0}' id: {1}, referer id:{2}",
requestInfo.Path, CurrDataStoreRequestInfo.Id, CurrDataStoreRequestInfo.RefererId);
HttpServerConsole.Instance.WriteLine
(requestContext);
return; //we can only have one tracking pattern per request
}
}
}
/// <summary>
/// Triggered before the request is sent to the site
/// </summary>
/// <param name="requestInfo"></param>
/// <returns></returns>
protected override HttpRequestInfo OnBeforeRequestToSite(HttpRequestInfo requestInfo)
{
bool wasModified = false;
if (_requestReplacements != null)
{
string request = requestInfo.ToString();
foreach (string key in _requestReplacements.Keys)
{
if (Utils.IsMatch(request, key))
{
request = Utils.ReplaceGroups(request, key, _requestReplacements[key]);
wasModified = true;
HttpServerConsole.Instance.WriteLine(LogMessageType.Information, "Request replacement applied for pattern: '{0}'", key);
}
}
if (wasModified)
{
requestInfo = new HttpRequestInfo(request, false);
//update the content length
if (requestInfo.ContentData != null)
{
requestInfo.Headers["Content-Length"] = requestInfo.ContentData.Length.ToString();
}
requestInfo.IsSecure = ClientStreamWrapper.IsSecure;
}
}
if (!_isNonEssential)
{
var originalRawRequest = requestInfo.ToString();
//update tracked values
string updatedRequest = PatternTracker.Instance.UpdateRequest(originalRawRequest);
updatedRequest = UpdateDynamicPatterns(updatedRequest);
if (!originalRawRequest.Equals(updatedRequest))
{
bool isSecure = requestInfo.IsSecure;
requestInfo = new HttpRequestInfo(updatedRequest, false);
requestInfo.IsSecure = isSecure;
wasModified = true;
}
if (wasModified)
{
//update the request in the file
TrafficDataStore.SaveRequest(CurrDataStoreRequestInfo.Id, Constants.DefaultEncoding.GetBytes(updatedRequest));
}
}
if (CurrDataStoreRequestInfo != null)
{
//see if the request was trapped
if (HttpTrap.Instance.TrapRequests &&
HttpTrap.Instance.TrapRequest(CurrDataStoreRequestInfo, requestInfo))
{
//then we need to update the request info from the data source
requestInfo = new HttpRequestInfo(TrafficDataStore.LoadRequestData(CurrDataStoreRequestInfo.Id), false);
//update the content length
if (requestInfo.ContentData != null)
{
requestInfo.Headers["Content-Length"] = requestInfo.ContentData.Length.ToString();
}
requestInfo.IsSecure = ClientStreamWrapper.IsSecure;
}
}
return(requestInfo);
}