From: megacz <megacz@xwt.org>
Date: Fri, 30 Jan 2004 07:03:43 +0000 (+0000)
Subject: 2003/07/09 04:33:09
X-Git-Tag: RC3~785
X-Git-Url: http://git.megacz.com/?p=org.ibex.core.git;a=commitdiff_plain;h=b70b484f3b3829663a37fd91a03816e397d891b5

2003/07/09 04:33:09

darcs-hash:20040130070343-2ba56-eafd158408b49604192e811ae53698fc9e349071.gz
---

diff --git a/src/org/xwt/HTTP.java b/src/org/xwt/HTTP.java
index a257878..46083d5 100644
--- a/src/org/xwt/HTTP.java
+++ b/src/org/xwt/HTTP.java
@@ -60,6 +60,9 @@ public class HTTP {
     /** true iff we are allowed to skip the resolve check (only allowed when we're downloading the PAC script) */
     boolean skipResolveCheck = false;
 
+    /** true iff we're using a proxy */
+    boolean proxied = false;
+
 
     // Public Methods ////////////////////////////////////////////////////////////////////////////////////////
 
@@ -150,14 +153,11 @@ public class HTTP {
     // Safeguarded DNS Resolver ///////////////////////////////////////////////////////////////////////////
 
     /**
-     *  resolves the hostname and returns it as a string in the form "x.y.z.w", except for the special case "xmlrpc.xwt.org".
+     *  resolves the hostname and returns it as a string in the form "x.y.z.w"
      *  @throws HTTPException if the host falls within a firewalled netblock
      */
     private void resolveAndCheckIfFirewalled(String host) throws HTTPException {
 
-        // special case
-        if (host.equals("xmlrpc.xwt.org")) return;
-
         // cached
         if (resolvedHosts.get(host) != null) return;
 
@@ -175,19 +175,7 @@ public class HTTP {
             return;
         } catch (UnknownHostException uhe) { }
 
-        // resolve using xmlrpc.xwt.org
         if (Platform.detectProxy() == null) throw new HTTPException("could not resolve hostname \"" + host + "\" and no proxy configured");
-        if (Log.on) Log.log(this, "  could not resolve host " + host + "; using xmlrpc.xwt.org to ensure security");
-        try {
-            JS.Array args = new JS.Array();
-            args.addElement(host);
-            Object ret = new XMLRPC("http://xmlrpc.xwt.org/RPC2/", "dns.resolve").call(args);
-            if (ret == null || !(ret instanceof String)) throw new Exception("    xmlrpc.xwt.org returned non-String: " + ret);
-            resolvedHosts.put(host, ret);
-            return;
-        } catch (Throwable e) {
-            throw new HTTPException("exception while attempting to use xmlrpc.xwt.org to resolve " + host + ": " + e);
-        }
     }
 
 
@@ -358,6 +346,7 @@ public class HTTP {
         if (sock == null && pi != null && ssl && pi.httpsProxyHost != null) sock = attemptHttpProxy(pi.httpsProxyHost, pi.httpsProxyPort);
         if (sock == null && pi != null && pi.httpProxyHost != null) sock = attemptHttpProxy(pi.httpProxyHost, pi.httpProxyPort);
         if (sock == null && pi != null && pi.socksProxyHost != null) sock = attemptSocksProxy(pi.socksProxyHost, pi.socksProxyPort);
+        proxied = sock != null;
         if (sock == null) sock = attemptDirect();
         if (sock == null) throw new HTTPException("unable to contact host " + host);
         if (in == null) in = new BufferedInputStream(sock.getInputStream());
@@ -368,9 +357,9 @@ public class HTTP {
         PrintWriter pw = new PrintWriter(new OutputStreamWriter(sock.getOutputStream()));
         if (content != null) {
             pw.print("POST " + path + " HTTP/1.1\r\n");
-        int contentLength = content.substring(0, 2).equals("\r\n") ?
-        content.length() - 2 :
-        (content.length() - content.indexOf("\r\n\r\n") - 4);
+            int contentLength = content.substring(0, 2).equals("\r\n") ?
+                content.length() - 2 :
+                (content.length() - content.indexOf("\r\n\r\n") - 4);
             pw.print("Content-Length: " + contentLength + "\r\n");
             if (contentType != null) pw.print("Content-Type: " + contentType + "\r\n");
         } else {
@@ -379,6 +368,7 @@ public class HTTP {
         
         pw.print("User-Agent: XWT\r\n");
         pw.print("Host: " + (host + (port == 80 ? "" : (":" + port))) + "\r\n");
+        if (proxied) pw.print("X-RequestOrigin: " + Main.originHost + "\r\n");
 
         if (Proxy.Authorization.authorization != null) pw.print("Proxy-Authorization: " + Proxy.Authorization.authorization2 + "\r\n");
         if (authCache.get(originalUrl) != null) pw.print("Authorization: " + authCache.get(originalUrl) + "\r\n");
diff --git a/src/org/xwt/Main.java b/src/org/xwt/Main.java
index 6613c16..64328cf 100644
--- a/src/org/xwt/Main.java
+++ b/src/org/xwt/Main.java
@@ -20,6 +20,7 @@ public class Main {
      *  IP).
      */
     public static java.net.InetAddress originAddr = null;
+    public static String originHost = null;
 
     /** the URL where the initial xwar came from. */
     public static String origin = null;
diff --git a/src/org/xwt/XWT.java b/src/org/xwt/XWT.java
index 38fea3e..c107098 100644
--- a/src/org/xwt/XWT.java
+++ b/src/org/xwt/XWT.java
@@ -270,7 +270,8 @@ public final class XWT extends JS.Obj {
                 HTTP http = new HTTP(u.toString());
                 if (Main.originAddr == null) {
                     try {
-                        Main.originAddr = InetAddress.getByName(u.getHost());
+                        Main.originHost = u.getHost();
+                        Main.originAddr = InetAddress.getByName(Main.originHost);
                     } catch (UnknownHostException e) {
                         if (Log.on) Log.log(this, "couldn't resolve " + u.getHost() + "; proceeding without permissions");
                         Main.originAddr = InetAddress.getByName("0.0.0.0");