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Merge pull request #1477 from DeltaNedas/patch-5

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controlled script loading
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Anuken 2020-02-11 16:03:38 -05:00 • committed by GitHub
commit 9c2569d4f5
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2 changed files with 65 additions and 10 deletions
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58
core/src/mindustry/mod/Scripts.java
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@ -5,9 +5,16 @@ import arc.files.*;
import arc.struct.*;
import arc.util.*;
import arc.util.Log.*;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.regex.*;
import mindustry.*;
import mindustry.mod.Mods.*;
import org.mozilla.javascript.*;
import org.mozilla.javascript.commonjs.module.*;
import org.mozilla.javascript.commonjs.module.provider.*;
public class Scripts implements Disposable{
private final Array<String> blacklist = Array.with("net", "files", "reflect", "javax", "rhino", "file", "channels", "jdk",
@ -18,6 +25,7 @@ public class Scripts implements Disposable{
private final String wrapper;
private Scriptable scope;
private boolean errored;
private LoadedMod loadedMod = null;
public Scripts(){
Time.mark();
@ -25,8 +33,12 @@ public class Scripts implements Disposable{
context = Vars.platform.getScriptContext();
context.setClassShutter(type -> !blacklist.contains(type.toLowerCase()::contains) || whitelist.contains(type.toLowerCase()::contains));
context.getWrapFactory().setJavaPrimitiveWrap(false);
scope = new ImporterTopLevel(context);
new RequireBuilder()
.setModuleScriptProvider(new SoftCachingModuleScriptProvider(new ScriptModuleProvider()))
.setSandboxed(true).createRequire(context, scope).install(scope);
wrapper = Core.files.internal("scripts/wrapper.js").readString();
if(!run(Core.files.internal("scripts/global.js").readString(), "global.js")){
@ -68,7 +80,9 @@ public class Scripts implements Disposable{
}
public void run(LoadedMod mod, Fi file){
run(wrapper.replace("$SCRIPT_NAME$", mod.name + "/" + file.nameWithoutExtension()).replace("$CODE$", file.readString()).replace("$MOD_NAME$", mod.name), file.name());
loadedMod = mod;
run(fillWrapper(file), file.name());
loadedMod = null;
}
private boolean run(String script, String file){
@ -81,8 +95,48 @@ public class Scripts implements Disposable{
}
}
private String fillWrapper(Fi file){
return wrapper.replace("$SCRIPT_NAME$", loadedMod.name + "/" + file.nameWithoutExtension())
.replace("$CODE$", file.readString())
.replace("$MOD_NAME$", loadedMod.name);
}
@Override
public void dispose(){
Context.exit();
}
private class ScriptModuleProvider extends UrlModuleSourceProvider{
private Pattern directory = Pattern.compile("^(.+?)/(.+)");
public ScriptModuleProvider(){
super(null, null);
}
@Override
public ModuleSource loadSource(String moduleId, Scriptable paths, Object validator) throws IOException, URISyntaxException{
if(loadedMod == null) return null;
return loadSource(loadedMod, moduleId, loadedMod.root.child("scripts"), validator);
}
private ModuleSource loadSource(LoadedMod mod, String moduleId, Fi root, Object validator) throws IOException, URISyntaxException{
Matcher matched = directory.matcher(moduleId);
if(matched.find()){
LoadedMod required = Vars.mods.locateMod(matched.group(1));
String script = matched.group(2);
if(required == null || root == required.root.child("scripts")){ // Mod not found, or already using a mod
Fi dir = root.child(matched.group(1));
if(!dir.exists()) return null; // Mod and folder not found
return loadSource(mod, script, dir, validator);
}
return loadSource(required, script, required.root.child("scripts"), validator);
}
Fi module = root.child(moduleId + ".js");
if(!module.exists() || module.isDirectory()) return null;
return new ModuleSource(
new InputStreamReader(new ByteArrayInputStream((fillWrapper(module)).getBytes())),
null, new URI(moduleId), root.file().toURI(), validator);
}
}
}