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Event fixes

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This commit is contained in:
UnlegitDqrk
2026-02-27 23:54:33 +01:00
parent aed0f35c34
commit cda595907f
6 changed files with 75 additions and 36 deletions
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10
pom.xml
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@@ -6,7 +6,7 @@
<groupId>org.openautonomousconnection</groupId>
<artifactId>LuaScript</artifactId>
<version>1.0.0-BETA.1.3</version>
<version>0.0.0-STABLE.1.3</version>
<organization>
<name>Open Autonomous Connection</name>
@@ -65,6 +65,10 @@
</licenses>
<repositories>
<repository>
<id>unlegitdqrk</id>
<url>https://repo.unlegitdqrk.dev/api/packages/UnlegitDqrk/maven</url>
</repository>
<repository>
<id>oac</id>
<url>https://repo.open-autonomous-connection.org/api/packages/open-autonomous-connection/maven</url>
@@ -72,10 +76,6 @@
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>unlegitdqrk</id>
<url>https://repo.unlegitdqrk.dev/api/packages/UnlegitDqrk/maven</url>
</repository>
</repositories>
<dependencies>

38
src/main/java/org/openautonomousconnection/luascript/fx/FxEventHost.java
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@@ -11,6 +11,8 @@ import org.w3c.dom.events.EventTarget;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* EventHost implementation for JavaFX WebView using W3C DOM EventTarget listeners.
@@ -22,19 +24,31 @@ public final class FxEventHost implements EventHost {
private static final String GLOBAL_TARGET_ID = "__global__";
private final FxDomHost dom;
private final LuaEventRouter router;
private volatile LuaEventRouter router;
private final ConcurrentHashMap<String, EventListener> elementListeners = new ConcurrentHashMap<>();
private final ConcurrentHashMap<String, EventListener> globalListeners = new ConcurrentHashMap<>();
private final ExecutorService dispatchExecutor = Executors.newSingleThreadExecutor(r -> {
Thread t = new Thread(r, "oac-fx-event-dispatch");
t.setDaemon(true);
return t;
});
/**
* Creates a new FxEventHost.
*
* @param dom fx dom host
*/
public FxEventHost(FxDomHost dom) {
this.dom = Objects.requireNonNull(dom, "dom");
}
/**
* Sets the active Lua router for this host.
*
* @param router lua router
*/
public FxEventHost(FxDomHost dom, LuaEventRouter router) {
this.dom = Objects.requireNonNull(dom, "dom");
public void setRouter(LuaEventRouter router) {
this.router = Objects.requireNonNull(router, "router");
}
@@ -49,7 +63,7 @@ public final class FxEventHost implements EventHost {
elementListeners.computeIfAbsent(key, k -> {
EventListener listener = ev -> {
Map<String, Object> payload = FxEventPayloadExtractor.extract(ev);
router.emit(elementId, evt, payload);
dispatchExecutor.execute(() -> emitSafely(elementId, evt, payload));
};
FxThreadBridge.runAndWait(() -> {
@@ -87,7 +101,7 @@ public final class FxEventHost implements EventHost {
globalListeners.computeIfAbsent(evt, k -> {
EventListener listener = ev -> {
Map<String, Object> payload = FxEventPayloadExtractor.extract(ev);
router.emit(GLOBAL_TARGET_ID, evt, payload);
dispatchExecutor.execute(() -> emitSafely(GLOBAL_TARGET_ID, evt, payload));
};
FxThreadBridge.runAndWait(() -> {
@@ -113,4 +127,18 @@ public final class FxEventHost implements EventHost {
((EventTarget) doc).removeEventListener(evt, listener, false);
});
}
private void emitSafely(String elementId, String eventName, Map<String, Object> payload) {
try {
LuaEventRouter activeRouter = router;
if (activeRouter == null) {
System.err.println("[oac.event] Dropping '" + eventName + "' for '" + elementId + "': router not initialized");
return;
}
activeRouter.emit(elementId, eventName, payload);
} catch (RuntimeException ex) {
System.err.println("[oac.event] Failed to dispatch '" + eventName + "' for '" + elementId + "': " + ex.getMessage());
ex.printStackTrace(System.err);
}
}
}

16
src/main/java/org/openautonomousconnection/luascript/runtime/FxLuaScriptEngine.java
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@@ -82,23 +82,13 @@ public final class FxLuaScriptEngine implements AutoCloseable {
.sandbox(true)
);
// Create runtime first (router lives inside it).
HostServices.StdoutConsole console = new HostServices.StdoutConsole("[lua] ");
FxUiHost uiHost = new FxUiHost(engine, dom);
FxWebViewResourceHost resourceHost = new FxWebViewResourceHost(engine);
// runtime depends on services; events depends on runtime router.
// We'll create eventHost after runtime, then build HostServices with it.
LuaRuntime rt = new LuaRuntime(globals, new HostServices.Default(uiHost, dom, null, resourceHost, console), policy);
FxEventHost eventHost = new FxEventHost(dom, rt.eventRouter());
// Rebuild services including eventHost and reinstall tables.
FxEventHost eventHost = new FxEventHost(dom);
HostServices services = new HostServices.Default(uiHost, dom, eventHost, resourceHost, console);
// Replace runtime with correct services (clean and deterministic).
rt.close();
rt = new LuaRuntime(globals, services, policy);
LuaRuntime rt = new LuaRuntime(globals, services, policy);
eventHost.setRouter(rt.eventRouter());
rt.installStdTables(true);
rt.bootstrapFromDom();

2
src/main/java/org/openautonomousconnection/luascript/security/LuaExecutionPolicy.java
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@@ -24,6 +24,6 @@ public record LuaExecutionPolicy(Duration timeout, long instructionLimit, int ho
* @return policy
*/
public static LuaExecutionPolicy uiDefault() {
return new LuaExecutionPolicy(Duration.ofMillis(50), 200_000, 5_000);
return new LuaExecutionPolicy(Duration.ofSeconds(5), 200_000, 5_000);
}
}

22
src/main/java/org/openautonomousconnection/luascript/security/LuaSecurityManager.java
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@@ -1,8 +1,8 @@
package org.openautonomousconnection.luascript.security;
import org.luaj.vm2.*;
import org.luaj.vm2.lib.DebugLib;
import org.luaj.vm2.lib.VarArgFunction;
import org.openautonomousconnection.luascript.utils.LuaGlobalsFactory;
import java.util.Objects;
import java.util.concurrent.*;
@@ -16,6 +16,7 @@ import java.util.concurrent.atomic.AtomicLong;
public final class LuaSecurityManager implements AutoCloseable {
private final ExecutorService executor;
private final ConcurrentHashMap<Globals, LuaValue> debugSetHooks = new ConcurrentHashMap<>();
/**
* Creates a new LuaSecurityManager that runs all Lua code on a single dedicated daemon thread.
@@ -28,8 +29,8 @@ public final class LuaSecurityManager implements AutoCloseable {
});
}
private static Varargs callWithHook(Globals globals, LuaFunction function, Varargs args, LuaExecutionPolicy policy) {
final LuaValue sethook = resolveAndHideDebugSetHook(globals);
private Varargs callWithHook(Globals globals, LuaFunction function, Varargs args, LuaExecutionPolicy policy) {
final LuaValue sethook = resolveDebugSetHook(globals);
final long deadlineMillis = System.currentTimeMillis() + policy.timeout().toMillis();
final AtomicLong ticks = new AtomicLong(0);
@@ -84,13 +85,19 @@ public final class LuaSecurityManager implements AutoCloseable {
return resumed;
}
private static LuaValue resolveAndHideDebugSetHook(Globals globals) {
// Ensure DebugLib exists for hooks.
globals.load(new DebugLib());
private LuaValue resolveDebugSetHook(Globals globals) {
LuaValue cached = debugSetHooks.get(globals);
if (cached != null) return cached;
LuaValue internal = globals.get(LuaGlobalsFactory.INTERNAL_DEBUG_SETHOOK_KEY);
if (!internal.isnil() && internal.isfunction()) {
debugSetHooks.put(globals, internal);
return internal;
}
LuaValue debugTable = globals.get("debug");
if (debugTable.isnil() || !debugTable.istable()) {
throw new IllegalStateException("Debug library not available (debug table missing)");
throw new IllegalStateException("Debug library not available (debug table missing and no internal sethook cached)");
}
LuaValue sethook = debugTable.get("sethook");
@@ -100,6 +107,7 @@ public final class LuaSecurityManager implements AutoCloseable {
// Hide debug from scripts.
globals.set("debug", LuaValue.NIL);
debugSetHooks.put(globals, sethook);
return sethook;
}

19
src/main/java/org/openautonomousconnection/luascript/utils/LuaGlobalsFactory.java
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@@ -22,6 +22,8 @@ import java.util.function.Consumer;
*/
public final class LuaGlobalsFactory {
public static final String INTERNAL_DEBUG_SETHOOK_KEY = "__oac_internal_debug_sethook";
private LuaGlobalsFactory() {
}
@@ -35,12 +37,13 @@ public final class LuaGlobalsFactory {
Objects.requireNonNull(options, "options");
Globals g = JsePlatform.standardGlobals();
g.load(new DebugLib());
cacheInternalDebugSethook(g);
if (options.enableDebug) {
// Ensure debug functions are available (depending on defaults).
g.load(new DebugLib());
// Keep debug table visible to scripts.
} else {
// If sandbox is not enabled but you still want no debug, explicitly remove it.
// Keep hook support internally, but do not expose debug to scripts.
g.set("debug", LuaValue.NIL);
}
@@ -55,6 +58,16 @@ public final class LuaGlobalsFactory {
return g;
}
private static void cacheInternalDebugSethook(Globals g) {
LuaValue debugTable = g.get("debug");
if (debugTable.isnil() || !debugTable.istable()) return;
LuaValue sethook = debugTable.get("sethook");
if (!sethook.isnil() && sethook.isfunction()) {
g.set(INTERNAL_DEBUG_SETHOOK_KEY, sethook);
}
}
/**
* Applies basic sandbox hardening to the given globals.
*