/// <summary>
/// Constructor
/// </summary>
/// <param name="context">Current HttpContext from which to extract properties</param>
/// <param name="flags">Determins which class of properties should be extracted</param>
public LogHttpContext(HttpContext context, HttpCaptureFlags flags)
{
if (context == null) return;
var request = context.Request;
if (request == null)
{
return;
}
extractContextVariables(context,request,flags);
}
private void extractContextVariables(HttpContext context, HttpRequest request, HttpCaptureFlags flags)
{
if ((flags & HttpCaptureFlags.ServerVariables) == HttpCaptureFlags.ServerVariables)
{
for(int x=0;x<request.ServerVariables.Count;x++)
{
var k = request.ServerVariables.AllKeys[x];
var v = request.ServerVariables[k];
if (string.IsNullOrEmpty(v)) continue;
if (string.Compare("AUTH_PASSWORD",k,true )==0 && string.IsNullOrWhiteSpace(v))
{
v = "****";
}
this.ServerVariables.Add(k,v);
}
}
if ((flags & HttpCaptureFlags.QueryString) == HttpCaptureFlags.QueryString)
{
for (int x = 0; x < request.QueryString.Count; x++)
{
var k = request.QueryString.AllKeys[x];
var v = request.QueryString[k];
this.QueryString.Add(k, v);
}
}
if ((flags & HttpCaptureFlags.Cookies) == HttpCaptureFlags.Cookies)
{
for (int x = 0; x < request.Cookies.Count; x++)
{
var k = request.Cookies.AllKeys[x];
var v = request.Cookies[k].Value;
this.Cookies.Add(k, v);
}
}
if ((flags & HttpCaptureFlags.Form) == HttpCaptureFlags.Form)
{
for (int x = 0; x < request.Form.Count; x++)
{
var k = request.Form.AllKeys[x];
var v = request.Form[k];
this.Form.Add(k, v);
}
}
if ((flags & HttpCaptureFlags.Headers) == HttpCaptureFlags.Headers)
{
for (int x = 0; x < request.Headers.Count; x++)
{
var k = request.Headers.AllKeys[x];
var v = request.Headers[k];
this.Headers.Add(k, v);
}
}
}
/// <summary>
/// Extract specific HTTP information and store it in message's HttpContext collection.
/// WARNING: This is an extemely heavy operation and should only be done in extreme cases (e.g. logging exceptions)
/// </summary>
/// <param name="flags">Determines which information to collect from context</param>
/// <returns></returns>
public IEventBuilder CaptureHttp(HttpCaptureFlags flags)
{
httpContext = new LogHttpContext(HttpContext.Current, flags);
return this;
}
