public static JaggeryContext clonedJaggeryContext(ServletContext context) {
JaggeryContext shared = sharedJaggeryContext(context);
RhinoEngine engine = shared.getEngine();
Scriptable sharedScope = shared.getScope();
Context cx = Context.getCurrentContext();
ScriptableObject instanceScope = (ScriptableObject) cx.newObject(sharedScope);
instanceScope.setPrototype(sharedScope);
instanceScope.setParentScope(null);
JaggeryContext clone = new JaggeryContext();
clone.setEngine(engine);
clone.setTenantId(shared.getTenantId());
clone.setScope(instanceScope);
clone.addProperty(Constants.SERVLET_CONTEXT, shared.getProperty(Constants.SERVLET_CONTEXT));
clone.addProperty(LogHostObject.LOG_LEVEL, shared.getProperty(LogHostObject.LOG_LEVEL));
clone.addProperty(
FileHostObject.JAVASCRIPT_FILE_MANAGER,
shared.getProperty(FileHostObject.JAVASCRIPT_FILE_MANAGER));
clone.addProperty(
Constants.JAGGERY_CORE_MANAGER, shared.getProperty(Constants.JAGGERY_CORE_MANAGER));
clone.addProperty(Constants.JAGGERY_INCLUDED_SCRIPTS, new HashMap<String, Boolean>());
clone.addProperty(Constants.JAGGERY_INCLUDES_CALLSTACK, new Stack<String>());
clone.addProperty(Constants.JAGGERY_REQUIRED_MODULES, new HashMap<String, ScriptableObject>());
CommonManager.setJaggeryContext(clone);
return clone;
}
@Override
public void sessionDestroyed(HttpSessionEvent httpSessionEvent) {
ServletContext ctx = httpSessionEvent.getSession().getServletContext();
List<Object> jsListeners =
(List<Object>) ctx.getAttribute(JaggeryCoreConstants.JS_DESTROYED_LISTENERS);
JaggeryContext clonedContext = WebAppManager.clonedJaggeryContext(ctx);
RhinoEngine engine = clonedContext.getEngine();
Context cx = engine.enterContext();
ScriptableObject clonedScope = clonedContext.getScope();
JavaScriptProperty session = new JavaScriptProperty("session");
session.setValue(
cx.newObject(clonedScope, "Session", new Object[] {httpSessionEvent.getSession()}));
session.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(clonedScope, session);
if (jsListeners != null) {
for (Object jsListener : jsListeners) {
CommonManager.getCallstack(clonedContext).push((String) jsListener);
try {
ScriptReader sr =
new ScriptReader(ctx.getResourceAsStream((String) jsListener)) {
@Override
protected void build() throws IOException {
try {
sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
} catch (ScriptException e) {
throw new IOException(e);
}
}
};
engine.exec(sr, clonedScope, null);
} catch (ScriptException e) {
log.error(e.getMessage(), e);
}
}
}
}
private static ScriptableObject executeScript(
JaggeryContext jaggeryContext,
ScriptableObject scope,
String fileURL,
final boolean isJSON,
boolean isBuilt,
boolean isIncludeOnce)
throws ScriptException {
Stack<String> includesCallstack = CommonManager.getCallstack(jaggeryContext);
Map<String, Boolean> includedScripts = CommonManager.getIncludes(jaggeryContext);
ServletContext context = (ServletContext) jaggeryContext.getProperty(Constants.SERVLET_CONTEXT);
String parent = includesCallstack.lastElement();
String keys[] = WebAppManager.getKeys(context.getContextPath(), parent, fileURL);
fileURL = getNormalizedScriptPath(keys);
if (includesCallstack.search(fileURL) != -1) {
return scope;
}
if (isIncludeOnce && includedScripts.get(fileURL) != null) {
return scope;
}
ScriptReader source;
RhinoEngine engine = jaggeryContext.getEngine();
if (isBuilt) {
source =
new ScriptReader(context.getResourceAsStream(fileURL)) {
@Override
protected void build() throws IOException {
try {
if (isJSON) {
sourceReader =
new StringReader("(" + HostObjectUtil.streamToString(sourceIn) + ")");
} else {
sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
}
} catch (ScriptException e) {
throw new IOException(e);
}
}
};
} else {
source = new ScriptReader(context.getResourceAsStream(fileURL));
}
ScriptCachingContext sctx =
new ScriptCachingContext(jaggeryContext.getTenantId(), keys[0], keys[1], keys[2]);
sctx.setSecurityDomain(new JaggerySecurityDomain(fileURL, context));
long lastModified = WebAppManager.getScriptLastModified(context, fileURL);
sctx.setSourceModifiedTime(lastModified);
includedScripts.put(fileURL, true);
includesCallstack.push(fileURL);
if (isJSON) {
scope = (ScriptableObject) engine.eval(source, scope, sctx);
} else {
engine.exec(source, scope, sctx);
}
includesCallstack.pop();
return scope;
}
public static void include(Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
String functionName = "include";
int argsCount = args.length;
if (argsCount != 1 && argsCount != 2) {
HostObjectUtil.invalidNumberOfArgs(HOST_OBJECT_NAME, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(
HOST_OBJECT_NAME, functionName, "1", "string", args[0], false);
}
if (argsCount == 2 && !(args[1] instanceof ScriptableObject)) {
HostObjectUtil.invalidArgsError(
HOST_OBJECT_NAME, functionName, "2", "Object", args[1], false);
}
JaggeryContext jaggeryContext = getJaggeryContext();
RhinoEngine engine = jaggeryContext.getEngine();
if (engine == null) {
log.error("Rhino Engine in Jaggery context is null");
throw new ScriptException("Rhino Engine in Jaggery context is null");
}
Stack<String> includesCallstack = getCallstack(jaggeryContext);
Map<String, Boolean> includedScripts = getIncludes(jaggeryContext);
String parent = includesCallstack.lastElement();
String fileURL = (String) args[0];
if (isHTTP(fileURL) || isHTTP(parent)) {
if (!isHTTP(fileURL)) {
fileURL = parent + fileURL;
}
if (includesCallstack.search(fileURL) != -1) {
return;
}
ScriptReader source;
ScriptableObject scope;
if (argsCount == 2) {
scope = (ScriptableObject) args[1];
} else {
scope = jaggeryContext.getScope();
}
// this is a remote file url
try {
URL url = new URL(fileURL);
url.openConnection();
source = new ScriptReader(url.openStream());
includedScripts.put(fileURL, true);
includesCallstack.push(fileURL);
engine.exec(source, scope, null);
includesCallstack.pop();
} catch (MalformedURLException e) {
String msg = "Malformed URL. function : import, url : " + fileURL;
log.warn(msg, e);
throw new ScriptException(msg, e);
} catch (IOException e) {
String msg = "IO exception while importing content from url : " + fileURL;
log.warn(msg, e);
throw new ScriptException(msg, e);
}
} else {
String msg = "Unsupported file include : " + fileURL;
throw new ScriptException(msg);
}
}
