(DynamicLoadObject(Applications[i], class'Class'));
if(ApplicationClass != None)
{
ApplicationObjects[i] = New(None) ApplicationClass;
ApplicationObjects[i].Level = Level;
ApplicationObjects[i].WebServer = Self;
ApplicationObjects[i].Path = ApplicationPaths[i];
ApplicationObjects[i].Init();
}
}
if(ServerName == "")
{
GetLocalIP(l);
s = IpAddrToString(l);
i = InStr(s, ":");
if(i != -1)
s = Left(s, i);
ServerURL = "http://"$s;
}
else
ServerURL = "http://"$ServerName;
if(ListenPort != 80)
ServerURL = ServerURL $ ":"$string(ListenPort);
BindPort( ListenPort );
Listen();
}
event Destroyed()
{
local int i;
for(i = 0; i < ArrayCount(ApplicationObjects); i++)
if (ApplicationObjects[i] != None)
ApplicationObjects[i].CleanupApp();
Super.Destroyed();
}
event GainedChild( Actor C )
{
Super.GainedChild(C);
ConnectionCount++;
// if too many connections, close down listen.
if(MaxConnections > 0 && ConnectionCount > MaxConnections && LinkState == STATE_Listening)
{
Log("WebServer: Too many connections - closing down Listen.");
Close();
}
}
event LostChild( Actor C )
{
Super.LostChild(C);
ConnectionCount--;
// if closed due to too many connections, start listening again.
if(ConnectionCount <= MaxConnections && LinkState != STATE_Listening)
{
Log("WebServer: Listening again - connections have been closed.");
Listen();
}
}
function WebApplication GetApplication(string URI, out string SubURI)
{
local int i, l;
SubURI = "";
for(i=0;i<10;i++)
{
if(ApplicationPaths[i] != "")
{
l = Len(ApplicationPaths[i]);
if(Left(URI, l) == ApplicationPaths[i] && (Len(URI) == l || Mid(URI, l, 1) == "/"))
{
SubURI = Mid(URI, l);
return ApplicationObjects[i];
}
}
}
return None;
}
` n @@ `` J .
a A( G ` `` @ `` D & { S B % ,
{ $ "} $ z & " $& } & " z & "& / B & " * G `F K3 l z K(w (- 9:9:$ WebServer: Listening again - connections have been closed. % G ` ``H P4 _ P( -%
(- 9:9:$ WebServer: Too many connections - closing down Listen. G `@ K $ A a G `M 5 V L %C ,
9 w * z G `G 2 ) e -o( G ` @ `` { ] | , Authorization: Basic V , %~ : % ? %; %& | , Content-Length: 09J ,,@ | , Content-Type: / , G ` ~N/*=============================================================================
WebConnection is the bridge that will handle all communication between
the web server and the client's browser.
=============================================================================*/
class WebConnection extends TcpLink;
var WebServer WebServer;
var string ReceivedData;
var WebRequest Request;
var WebResponse Response;
var WebApplication Application;
var bool bDelayCleanup;
var int RawBytesExpecting;
var config int MaxValueLength;
var config int MaxLineLength;
// MC: Debug
// var int ConnId;
event Accepted()
{
WebServer = WebServer(Owner);
SetTimer(30, False);
// ConnId = WebServer.ConnId++;
// Log("Connection"@ConnId@"Accepted");
}
event Closed()
{
// Log("Connection"@ConnId@"Closed");
Destroy();
}
event Timer()
{
bDelayCleanup = False;
Cleanup();
}
event ReceivedText( string Text )
{
local int i;
local string S;
ReceivedData $= Text;
if(RawBytesExpecting > 0)
{
RawBytesExpecting -= Len(Text);
CheckRawBytes();
return;
}
// remove a LF which arrived in a new packet
// and thus didn't get cleaned up by the code below
if(Left(ReceivedData, 1) == Chr(10))
ReceivedData = Mid(ReceivedData, 1);
i = InStr(ReceivedData, Chr(13));
while(i != -1)
{
S = Left(ReceivedData, i);
i++;
// check for any LF following the CR.
if(Mid(ReceivedData, i, 1) == Chr(10))
i++;
ReceivedData = Mid(ReceivedData, i);
ReceivedLine(S);
if(LinkState != STATE_Connected)
return;
if(RawBytesExpecting > 0)
{
CheckRawBytes();
return;
}
i = InStr(ReceivedData, Chr(13));
}
}
function ReceivedLine(string S)
{
if (S == "") EndOfHeaders();
else
{
// Log(S,'WebServer');
if(Left(S, 4) ~= "GET ") ProcessGet(S);
else if(Left(S, 5) ~= "POST ") ProcessPost(S);
else if(Left(S, 5) ~= "HEAD ") ProcessHead(S);
else if(Request != None)
{
Request.ProcessHeaderString(S);
}
}
}
function ProcessHead(string S)
{
Log("Received Header: "$S,'Header');
}
function ProcessGet(string S)
{
local int i;
if(Request == None)
CreateResponseObject();
Request.RequestType = Request_GET;
S = Mid(S, 4);
while(Left(S, 1) == " ")
S = Mid(S, 1);
i = InStr(S, " ");
if(i != -1)
S = Left(S, i);
i = InStr(S, "?");
if(i != -1)
{
Request.DecodeFormData(Mid(S, i+1));
S = Left(S, i);
}
Application = WebServer.GetApplication(S, Request.URI);
if(Application != None && Request.URI == "")
{
Response.Redirect(S$"/");
Cleanup();
}
else
if(Application == None && Webserver.DefaultApplication != -1)
{
Response.Redirect(Webserver.ApplicationPaths[Webserver.DefaultApplication]$"/");
Cleanup();
}
}
function ProcessPost(string S)
{
local int i;
if(Request == None)
CreateResponseObject();
Request.RequestType = Request_POST;
S = Mid(S, 5);
while(Left(S, 1) == " ")
S = Mid(S, 1);
i = InStr(S, " ");
if(i != -1)
S = Left(S, i);
i = InStr(S, "?");
if(i != -1)
{
Request.DecodeFormData(Mid(S, i+1));
S = Left(S, i);
}
Application = WebServer.GetApplication(S, Request.URI);
if(Application != None && Request.URI == "")
{
// Response.Redirect(WebServer.ServerURL$S$"/");
Response.Redirect(S$"/");
Cleanup();
}
}
function CreateResponseObject()
{
Request = new(None) class'WebRequest';
Response = new(None) class'WebResponse';
Response.Connection = Self;
}
function EndOfHeaders()
{
if(Response == None)
{
CreateResponseObject();
Response.HTTPError(400); // Bad Request
Cleanup();
return;
}
if(Application == None)
{
Response.HTTPError(404); // FNF
Cleanup();
return;
}
if(Request.ContentLength != 0 && Request.RequestType == Request_POST)
{
RawBytesExpecting = Request.ContentLength;
RawBytesExpecting -= Len(ReceivedData);
CheckRawBytes();
}
else
{
if (Application.PreQuery(Request, Response))
{
Application.Query(Request, Response);
Application.PostQuery(Request, Response);
}
Cleanup();
}
}
function CheckRawBytes()
{
if(RawBytesExpecting <= 0)
{
if(!(Request.ContentType ~= "application/x-www-form-urlencoded"))
{
Log("WebConnection: Unknown form data content-type: "$Request.ContentType);
Response.HTTPError(400); // Can't deal with this type of form data
}
else
{
Request.DecodeFormData(ReceivedData);
if (Application.PreQuery(Request, Response))
{
Application.Query(Request, Response);
Application.PostQuery(Request, Response);
}
ReceivedData = "";
}
Cleanup();
}
}
function Cleanup()
{
if (bDelayCleanup)
return;
if(Request != None)
Request = None;
if(Response != None)
{
Response.Connection = None;
Response = None;
}
if (Application != None)
Application = None;
Close();
}
final function bool IsHanging()
{
return bDelayCleanup;
}
`< 1 0 9 9: 9:$ 9: 9:$a -] Webserver is not enabled. Set bEnabled to True in Advanced Options. a %o ,
z D o * D ew ** * * 2 A ` $ z< B 8 #A 8 ~ # : # # p http:// #p http:// < ,,Ppp : 9S,C,% G ` K ) 8 > % % } )T s x w 3 ) & 3
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aB 3 s {% >% & G `I 5D 2 aB 5/ % } 5
N z &,
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C z &,
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~ ,
_ G ` X class WebApplication extends Object;
// Set by the webserver
var LevelInfo Level;
var WebServer WebServer;
var string Path;
function Init();
// This is a dummy function which should never be called
// Here for backwards compatibility
final function Cleanup();
function CleanupApp()
{
if (Level != None)
Level = None;
if (WebServer != None)
WebServer = None;
}
function bool PreQuery(WebRequest Request, WebResponse Response) { return true; }
function Query(WebRequest Request, WebResponse Response);
function PostQuery(WebRequest Request, WebResponse Response);
` U Z -o w**? w* **Q w** G ` z class ImageServer extends WebApplication;
/* Usage:
[UWeb.WebServer]
Applications[0]="UWeb.ImageServer"
ApplicationPaths[0]="/images"
bEnabled=True
http://server.ip.address/images/test.jpg
*/
event Query(WebRequest Request, WebResponse Response)
{
local string Image;
Image = Request.URI;
if( Right(Caps(Image), 4) == ".JPG" || Right(Caps(Image), 5) == ".JPEG" )
{
Response.SendStandardHeaders("image/jpeg", true);
}
else if( Right(Caps(Image), 4) == ".GIF" )
{
Response.SendStandardHeaders("image/gif", true);
}
else if( Right(Caps(Image), 4) == ".BMP" )
{
Response.SendStandardHeaders("image/bmp", true);
}
else
{
Response.HTTPError(404);
return;
}
Response.IncludeBinaryFile( Path $ Image );
}
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9 pp TestEdit was " F TestEdit " % You selected these items:
' J selecter &e '% 2 pp " W selecter ' "
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( /include.html % + variable1 This is variable 1 % + variable2 This is variable 2 % + variable3 This is variable 3 = testinclude.html
9 p Hello web! The current level is 2 H
Click this link to go to a test form G ` q class HelloWeb extends WebApplication;
/* Usage:
This is a sample web application, to demonstrate how to program for the web server.
[UWeb.WebServer]
Applications[0]="UWeb.HelloWeb"
ApplicationPaths[0]="/hello"
bEnabled=True
http://server.ip.address/hello
*/
event Query(WebRequest Request, WebResponse Response)
{
local int i;
if(Request.Username != "test" || Request.Password != "test")
{
Response.FailAuthentication("HelloWeb");
return;
}
switch(Request.URI)
{
case "/form.html":
Response.SendText("
");
break;
case "/submit.html":
Response.SendText("Thanks for submitting the form.
");
Response.SendText("TestEdit was \""$Request.GetVariable("TestEdit")$"\"");
Response.SendText("You selected these items:
");
for(i=Request.GetVariableCount("selecter")-1;i>=0;i--)
Response.SendText("\""$Request.GetVariableNumber("selecter", i)$"\"
");
break;
case "/include.html":
Response.Subst("variable1", "This is variable 1");
Response.Subst("variable2", "This is variable 2");
Response.Subst("variable3", "This is variable 3");
Response.IncludeUHTM("testinclude.html");
break;
default:
Response.SendText("Hello web! The current level is "$Level.Title);
Response.SendText("
Click this link to go to a test form");
break;
}
}
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