package org.kde.kjas.server; import java.applet.*; import java.util.*; import java.net.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.lang.reflect.Field; import java.lang.reflect.Method; import org.kde.javascript.JSObject; final class KJASAuthenticator extends Authenticator { private Hashtable authentication; KJASAuthenticator() { authentication = new Hashtable(); setDefault(this); } final void addURL(URL url, String user, String password, String authname) { String key = new String(url.getProtocol() + ":" + url.getHost() + ":" + url.getPort() + "_" + authname); String [] auths = { user, password }; authentication.put(key, auths); } final protected PasswordAuthentication getPasswordAuthentication() { URL url; String key = new String(getRequestingProtocol() + ":" + getRequestingHost() + ":" + getRequestingPort() + "_" + getRequestingPrompt()); String [] auths = (String []) authentication.get(key); if (auths != null) { char [] pw = new char[auths[1].length()]; auths[1].getChars(0, auths[1].length(), pw, 0); return new PasswordAuthentication(auths[0], pw); } return null; } } /** * The context in which applets live. */ public class KJASAppletContext implements AppletContext { private Hashtable stubs; private Hashtable images; private Vector pendingImages; private Hashtable streams; private Stack jsobjects; private String myID; private KJASAppletClassLoader loader; private boolean active; private final static KJASAuthenticator authenticator = new KJASAuthenticator(); /** * Create a KJASAppletContext */ public KJASAppletContext( String _contextID ) { stubs = new Hashtable(); images = new Hashtable(); pendingImages = new Vector(); streams = new Hashtable(); jsobjects = new Stack(); myID = _contextID; active = true; } public String getID() { return myID; } public String getAppletID(Applet applet) { Enumeration e = stubs.keys(); while ( e.hasMoreElements() ) { String appletID = (String) e.nextElement(); KJASAppletStub stub = (KJASAppletStub) stubs.get(appletID); if (stub.getApplet() == applet) return appletID; } return null; } public Applet getAppletById(String appletId) { return ((KJASAppletStub) stubs.get( appletId )).getApplet(); } public String getAppletName(String appletID) { KJASAppletStub stub = (KJASAppletStub) stubs.get(appletID); if (stub == null) return null; return stub.getAppletName(); } public void createApplet( String appletID, String name, String className, String docBase, String username, String password, String authname, String codeBase, String archives, String width, String height, String windowName, Hashtable params ) { //do kludges to support mess with parameter table and //the applet variables String key = new String( "ARCHIVE" ); if (params.tqcontainsKey(key)) { String param_archive = (String)params.get(key); if (archives == null) { // There is no 'archive' attribute // but a 'archive' param. fix archive list // from param value archives = param_archive; } else { // there is already an archive attribute. // just add the value of the param to the list. // But ignore bill$ personal archive format called // .cab because java doesn't understand it. if (!param_archive.toLowerCase().endsWith(".cab")) { archives = param_archive + "," + archives; } } } else if (archives != null) { // add param if it is not present params.put( key, archives); } if( codeBase == null ) { key = new String( "CODEBASE" ); if( params.tqcontainsKey( key ) ) codeBase = (String) params.get( key ); } if (username != null && !username.equals("")) { try { URL url = new URL(docBase); int port = url.getPort(); if (port < 0) port = url.getDefaultPort(); authenticator.addURL(new URL(url.getProtocol(), url.getHost(), port, ""), username, password, authname); } catch (MalformedURLException muex) { } } try { String sorted_archives = ""; TreeSet archive_set = new TreeSet(); if( archives != null ) { StringTokenizer parser = new StringTokenizer( archives, ",", false ); while( parser.hasMoreTokens() ) archive_set.add ( parser.nextToken().trim() ); } Iterator it = archive_set.iterator(); while (it.hasNext()) sorted_archives += (String) it.next(); KJASAppletClassLoader loader = KJASAppletClassLoader.getLoader( docBase, codeBase, sorted_archives ); it = archive_set.iterator(); while (it.hasNext()) loader.addArchiveName( (String) it.next() ); loader.paramsDone(); KJASAppletStub stub = new KJASAppletStub ( this, appletID, loader.getCodeBase(), loader.getDocBase(), name, className, new Dimension( Integer.parseInt(width), Integer.parseInt(height) ), params, windowName, loader ); stubs.put( appletID, stub ); stub.createApplet(); } catch ( Exception e ) { Main.kjas_err( "Something bad happened in createApplet: " + e, e ); } } public void initApplet( String appletID ) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if( stub == null ) { Main.debug( "could not init and show applet: " + appletID ); } else { stub.initApplet(); } } public void destroyApplet( String appletID ) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if( stub == null ) { Main.debug( "could not destroy applet: " + appletID ); } else { //Main.debug( "stopping applet: " + appletID ); stubs.remove( appletID ); stub.destroyApplet(); } } public void startApplet( String appletID ) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if( stub == null ) { Main.debug( "could not start applet: " + appletID ); } else { stub.startApplet(); } } public void stopApplet( String appletID ) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if( stub == null ) { Main.debug( "could not stop applet: " + appletID ); } else { stub.stopApplet(); } } public void destroy() { Enumeration e = stubs.elements(); while ( e.hasMoreElements() ) { KJASAppletStub stub = (KJASAppletStub) e.nextElement(); stub.destroyApplet(); stub.loader.getJSReferencedObjects().clear(); } stubs.clear(); active = false; } /*************************************************************************** **** AppletContext interface ***************************************************************************/ public Applet getApplet( String appletName ) { if( active ) { Enumeration e = stubs.elements(); while( e.hasMoreElements() ) { KJASAppletStub stub = (KJASAppletStub) e.nextElement(); if( stub.getAppletName().equals( appletName ) ) return stub.getApplet(); } } return null; } public Enumeration getApplets() { if( active ) { Vector v = new Vector(); Enumeration e = stubs.elements(); while( e.hasMoreElements() ) { KJASAppletStub stub = (KJASAppletStub) e.nextElement(); v.add( stub.getApplet() ); } return v.elements(); } return null; } public AudioClip getAudioClip( URL url ) { Main.debug( "getAudioClip, url = " + url ); //AudioClip clip = java.applet.Applet.newAudioClip(url); AudioClip clip = new KJASAudioClip(url); Main.debug( "got AudioClip " + clip); return clip; // return new KJASSoundPlayer( myID, url ); } public void addImage( String url, byte[] data ) { Main.debug( "addImage for url = " + url ); images.put( url, data ); if (Main.cacheImages) { pendingImages.remove(url); } } public Image getImage( URL url ) { if( active && url != null ) { // directly load images using JVM if (true) { // Main.info("Getting image using ClassLoader:" + url); if (loader != null) { url = loader.findResource(url.toString()); //Main.debug("Resulting URL:" + url); } Toolkit kit = Toolkit.getDefaultToolkit(); Image img = kit.createImage(url); return img; } //check with the Web Server String str_url = url.toString(); Main.debug( "getImage, url = " + str_url ); if (Main.cacheImages && images.tqcontainsKey(str_url)) { Main.debug("Cached: url=" + str_url); } else { if (Main.cacheImages) { if (!pendingImages.tqcontains(str_url)) { Main.protocol.sendGetURLDataCmd( myID, str_url ); pendingImages.add(str_url); } } else { Main.protocol.sendGetURLDataCmd( myID, str_url ); } while( !images.tqcontainsKey( str_url ) && active ) { try { Thread.sleep( 200 ); } catch( InterruptedException e ){} } } if( images.tqcontainsKey( str_url ) ) { byte[] data = (byte[]) images.get( str_url ); if( data.length > 0 ) { Toolkit kit = Toolkit.getDefaultToolkit(); return kit.createImage( data ); } else return null; } } return null; } public void showDocument( URL url ) { //Main.debug( "showDocument, url = " + url ); if( active && (url != null) ) { Main.protocol.sendShowDocumentCmd( myID, url.toString() ); } } public void showDocument( URL url, String targetFrame ) { //Main.debug( "showDocument, url = " + url + " targetFrame = " + targetFrame ); if( active && (url != null) && (targetFrame != null) ) { Main.protocol.sendShowDocumentCmd( myID, url.toString(), targetFrame ); } } public void showtqStatus( String message ) { if( active && (message != null) ) { Main.protocol.sendShowtqStatusCmd( myID, message ); } } public boolean evaluateJavaScript(String script, String appletID, JSObject jso) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if( active && stub != null && stub.isLoaded ()) { if( jso != null ) { synchronized (jsobjects) { jsobjects.push(jso); } } int [] types = { KJASAppletStub.JString }; String [] arglist = { script }; Main.protocol.sendJavaScriptEventCmd(myID, appletID, 0, "eval", types, arglist); return true; } Main.debug( "evaluateJavaScript failure, context active:" + active + " stub:" + stub); return false; } public boolean getMember(String appletID, int callid, int objid, String name) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if (stub == null || !stub.isLoaded()) return false; return stub.getMember(callid, objid, name); } public boolean putMember(String appletID, int callid, int objid, String name, String value) { if (name.equals("__lc_ret")) { // special case; return value of JS script evaluation Main.debug("putValue: applet " + name + "=" + value); JSObject jso = null; synchronized (jsobjects) { if (!jsobjects.empty()) jso = (JSObject) jsobjects.pop(); } if (jso == null) return false; jso.returnvalue = value; try { jso.thread.interrupt(); } catch (SecurityException ex) {} Main.protocol.sendPutMember( myID, callid, true ); } KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if (stub == null || !stub.isLoaded()) return false; return stub.putMember(callid, objid, name, value); } public Object getJSReferencedObject(Applet applet, int objid) { return ((KJASAppletClassLoader)(applet.getClass().getClassLoader())).getJSReferencedObjects().get(new Integer(objid)); } boolean callMember(String appletID, int cid, int oid, String n, java.util.List args) { KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if (stub == null || !stub.isLoaded()) return false; return stub.callMember( cid, oid, n, args); } public void derefObject(String appletID, int objid) { if (objid == 0) return; // that's an applet KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); if (stub == null) return; Hashtable jsRefs = stub.loader.getJSReferencedObjects(); if (jsRefs.remove(new Integer(objid)) == null) Main.debug("couldn't remove referenced object"); } public void setStream(String key, InputStream stream) throws IOException { Main.debug("setStream, key = " + key); streams.put(key, stream); } public InputStream getStream(String key){ Main.debug("getStream, key = " + key); return (InputStream) streams.get(key); } public Iterator getStreamKeys() { Main.debug("getStreamKeys"); return streams.keySet().iterator(); } }