private Response GenerateResponse(ClientRequest CR)
{
if (CR.Host == null)
{
Response BR = new Response(Response.Code.N400, new TextResource("Sabertooth requires that clients have Host fields in their headers."));
BR.connectionStatus = Instruction.Connection.Close;
return(BR);
}
if (!(CR.Type == "GET" || CR.Type == "POST" || CR.Type == "HEAD"))
{
Response BR = new Response(Response.Code.N400, new TextResource("Sabertooth only supports GET, POST, and HEAD at the moment."));
return(BR);
}
string realm;
Tuple <string, string> auth = CR.Authorization;
if (!Gen.IsAuthorized(CR, auth, out realm))
{
Response AUTH = new Response(Response.Code.N401);
AUTH.AddInstruction(Instruction.Authenticate(realm));
return(AUTH);
}
CacheData CD = Gen.GetCacheData(CR);
if ((CR.LastModified != new DateTime() && CR.LastModified == CD.LastModified) || (CR.LastModified == new DateTime() && CD.ETag != String.Empty && CR.ETag == CD.ETag))
{
Response NM = new Response(Response.Code.N304);
NM.MaxAge = CD.MaxAge;
return(NM);
}
Response Res;
try {
ClientBody CB = CR.ReadBody();
ClientReturn GenRes;
if (CB == null)
{
GenRes = Gen.Get(CR);
}
else
{
GenRes = Gen.Post(CR, CB);
}
if (GenRes == null)
{
throw new ArgumentNullException("The mandate failed to generate a page, hopefully an error log appears above.");
}
if (GenRes.Redirect == null)
{
Res = new Response(Response.Code.N200);
}
else
{
Res = new Response(Response.Code.N307);
Res.AddInstruction(new Instruction("Location", GenRes.Redirect));
}
foreach (SetCookie S in GenRes.SetCookies)
{
Res.AddInstruction(Instruction.SetCookie(S));
}
if (CD.LastModified != new DateTime())
{
Res.AddInstruction(Instruction.LastModified(CD.LastModified));
}
if (CD.ETag != String.Empty)
{
Res.AddInstruction(Instruction.ETag(CD.ETag));
}
Res.SetBody(GenRes.Body);
Res.MaxAge = GenRes.MaxAge;
} catch (Exception e) {
Console.WriteLine(e);
Response ISE = new Response(Response.Code.N500, new TextResource("If you are reading this text, the Sabertooth mandate responsible for this request has encountered an error: \n" + e));
ISE.connectionStatus = Instruction.Connection.Close;
return(ISE);
}
return(Res);
}