public string GSASearch(NameValueCollection inquery, string inGSAServer, string inFrontEnd)
{
GooglePropertyBag gProps = new GooglePropertyBag();
gProps.GSALocation = inGSAServer;
gProps.frontEnd = inFrontEnd;
string searchReq = "";
string searchResp = "";
try
{
return(postQueryString(gProps, inquery));
}
catch (Exception err)
{
if (gProps.enableLogging.ToLower().Trim().Equals("true"))
{
return(err.ToString());
}
else
{
return("Oops! Google Search is experiencing hiccups. Contact your Admin ASAP");
}
}
}
public string GSASearch(NameValueCollection inquery)
{
GooglePropertyBag gProps = new GooglePropertyBag();
try
{
gProps.initGooglePropertyBag();
return(postQueryString(gProps, inquery));
}
catch (Exception err)
{
// Check if user wants exceptions thrown to the users display screen
if (gProps.enableLogging.ToLower().Trim().Equals("true"))
{
return(err.ToString());
}
else
{
return("Oops! Google Search is experiencing hiccups. Contact your Admin ASAP");
}
}
}
// Method abstracted out which creates the GSA query string for the HTTP get based
// on the HTTP paramaters passed in from Sharepoint search control
private string postQueryString(GooglePropertyBag gProps, NameValueCollection inquery)
{
//TODO: Improve XML config framework to be generic loading and reading value pairs
//TODO: Add more config abstraction like ProxyReload
string searchResp;
string searchReq = gProps.GSALocation + "/search?q=" + inquery["k"] + "&access=" + gProps.accessLevel + "&entqr=0&output=xml_no_dtd&sort=" + gProps.sortType + "&ud=1&client=" + gProps.frontEnd + "&oe=UTF-8&getfields=*&ie=UTF-8&site=" + gProps.siteCollection;
//Specialised checks - converting Sharepoint paramaters to GSA paramaters
//Custom Frontend?
if (gProps.frontEnd.Trim() != "")
{
searchReq += "&proxystylesheet=" + gProps.frontEnd;
}
//Force Proxy Reloading - should be off unless debugging and stylesheet has changed
if (gProps.forceRefreshFrontEnd.ToLower().Trim() == "true")
{
searchReq += "&proxyreload=1";
}
//Paging?
if (inquery["start1"] != null)
{
searchReq = searchReq + "&start=" + inquery["start1"];
}
//Sorting by date?
if ((inquery["v1"] != null) && (inquery["v1"] == "date"))
{
searchReq += "&sort=date%3AD%3AS%3Ad1";
}
if ((inquery["v1"] != null) && (inquery["v1"] == "relevance"))
{
searchReq += "&sort=relevance";
}
//TODO: Scope flags to limit to collections
//append all other query string items to preserve sharepoint flags
//TODO: Replace manipulated items in querystring ... clean up this as the querystring could become excessively long
//TODO: This below method tried to include all other query string params from sharepoint to GSA and back; it can cause problems if the
// filter misses 'dedupping' below. May choose to completely remove this code and add individual rules for query objects
// like 'Filter' as we did above
for (int x = 0; x < inquery.Count; x++)
{
switch (inquery.GetKey(x))
{
//do not pass straight-thru known query objects
case "q":
case "sort":
case "proxyreload":
case "proxystylesheet":
case "v1":
case "ie":
case "oe":
case "ud":
case "client":
case "site":
case "start":
case "start1":
case "access":
case "output":
break;
case "k":
default:
searchReq = searchReq + "&" + inquery.GetKey(x) + "=" + inquery.Get(x);
break;
}
}
try
{
System.Net.HttpWebRequest myReq = WebRequest.Create(searchReq) as HttpWebRequest;
using (HttpWebResponse response = myReq.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response.GetResponseStream());
searchResp = reader.ReadToEnd();
}
}
catch
{
throw new Exception("Error with URL: " + searchReq);
}
return(searchResp);
}
