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Improved HTML rendering of obfuscation mapping: added constructor signatures and modifiers for classes, fields and methods

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This commit is contained in:
Marc Baloup 2022-06-13 23:01:48 +02:00
parent 3b30968c15
commit 53869636f5
2 changed files with 170 additions and 30 deletions
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19
Core/src/main/java/fr/pandacube/lib/core/util/Reflect.java
View File

@ -295,6 +295,8 @@ public class Reflect {
return cached;
}
public abstract int getModifiers();
}
@ -358,7 +360,10 @@ public class Reflect {
setValue(null, value);
}
@Override
public int getModifiers() {
return get().getModifiers();
}
}
@ -388,6 +393,12 @@ public class Reflect {
public Object invokeStatic(Object... values) throws ReflectiveOperationException {
return invoke(null, values);
}
@Override
public int getModifiers() {
return get().getModifiers();
}
}
@ -420,6 +431,12 @@ public class Reflect {
public T instanciate(Object... values) throws ReflectiveOperationException {
return get().newInstance(values);
}
@Override
public int getModifiers() {
return get().getModifiers();
}
}

181
Paper/src/main/java/fr/pandacube/lib/paper/reflect/NMSReflect.java
View File

@ -5,6 +5,8 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.StringReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
@ -21,6 +23,7 @@ import fr.pandacube.lib.core.util.Log;
import fr.pandacube.lib.core.util.Reflect;
import fr.pandacube.lib.core.util.Reflect.ReflectClass;
import fr.pandacube.lib.core.util.Reflect.ReflectField;
import fr.pandacube.lib.core.util.Reflect.ReflectMember;
import fr.pandacube.lib.core.util.Reflect.ReflectMethod;
import net.fabricmc.mappingio.MappingReader;
import net.fabricmc.mappingio.format.MappingFormat;
@ -152,12 +155,13 @@ public class NMSReflect {
html {
background-color: #2F2F2F;
color: white;
font-size: 14px;
}
table {
border-collapse: collapse;
width: 100%;
margin: auto;
font-family: monospace;
font-family: Consolas, monospace;
}
tr:nth-child(2n) {
background-color: #373737;
@ -190,6 +194,12 @@ public class NMSReflect {
.fld {
color: #8DDAF8;
}
.st {
font-style: italic;
}
.st.fn {
font-weight: bold;
}
</style>
"""
+ "</head><body>\n"
@ -216,10 +226,10 @@ public class NMSReflect {
/* package */ final String obfName;
/* package */ final String mojName;
private final Map<MethodId, MemberMapping<MethodId>> methodsByObf = new TreeMap<>();
private final Map<MethodId, MemberMapping<MethodId>> methodsByMoj = new TreeMap<>();
private final Map<String, MemberMapping<String>> fieldsByObf = new TreeMap<>();
private final Map<String, MemberMapping<String>> fieldsByMoj = new TreeMap<>();
private final Map<MethodId, MemberMapping<MethodId, ReflectMethod<?>>> methodsByObf = new TreeMap<>();
private final Map<MethodId, MemberMapping<MethodId, ReflectMethod<?>>> methodsByMoj = new TreeMap<>();
private final Map<String, MemberMapping<String, ReflectField<?>>> fieldsByObf = new TreeMap<>();
private final Map<String, MemberMapping<String, ReflectField<?>>> fieldsByMoj = new TreeMap<>();
private ReflectClass<?> runtimeReflectClass = null;
@ -228,10 +238,12 @@ public class NMSReflect {
mojName = binaryClassName(cls.getName(MOJ_NAMESPACE));
cls.getMethods().stream().map(MemberMapping::of).forEach(method -> {
method.declaringClass = this;
methodsByObf.put(method.obfDesc.identifier, method);
methodsByMoj.put(method.mojDesc.identifier, method);
});
cls.getFields().stream().map(MemberMapping::of).forEach(field -> {
field.declaringClass = this;
fieldsByObf.put(field.obfDesc.identifier, field);
fieldsByMoj.put(field.mojDesc.identifier, field);
});
@ -273,11 +285,19 @@ public class NMSReflect {
*/
public ReflectMethod<?> mojMethod(String mojName, Object... mojParametersType) throws ClassNotFoundException, NoSuchMethodException {
MethodId mId = new MethodId(mojName, Type.toTypeList(Arrays.asList(mojParametersType)));
MemberMapping<MethodId> mm = methodsByMoj.get(mId);
MemberMapping<MethodId, ReflectMethod<?>> mm = methodsByMoj.get(mId);
Objects.requireNonNull(mm, "Unable to find the Mojang mapped method " + mId);
MethodId reflectId = (IS_SERVER_OBFUSCATED ? mm.obfDesc : mm.mojDesc).identifier;
return runtimeReflectClass.method(reflectId.name, Type.toClassArray(reflectId.parametersType));
try {
return mm.getReflectMember();
} catch (ReflectiveOperationException e) {
if (e instanceof ClassNotFoundException cnfe)
throw cnfe;
if (e instanceof NoSuchMethodException nsme)
throw nsme;
// should not have another exception
throw new RuntimeException(e);
}
}
@ -291,9 +311,16 @@ public class NMSReflect {
* @throws NoSuchFieldException if there is no runtime method to represent the provided method.
*/
public ReflectField<?> mojField(String mojName) throws NoSuchFieldException {
MemberMapping<String> fm = fieldsByMoj.get(mojName);
MemberMapping<String, ReflectField<?>> fm = fieldsByMoj.get(mojName);
Objects.requireNonNull(fm, "Unable to find the Mojang mapped field '" + mojName + "'");
return runtimeReflectClass.field((IS_SERVER_OBFUSCATED ? fm.obfDesc : fm.mojDesc).identifier);
try {
return fm.getReflectMember();
} catch (ReflectiveOperationException e) {
if (e instanceof NoSuchFieldException nsfe)
throw nsfe;
// should not have another exception
throw new RuntimeException(e);
}
}
@ -318,8 +345,9 @@ public class NMSReflect {
private void printHTML(PrintStream out) {
out.println("<tr id='c" + id + "'><th class='kw'>" + classKind() + "</th><th>" + nameToHTML(true) + "</th><th>" + nameToHTML(false) + "</th></tr>");
out.println("<tr id='c" + id + "'><th class='kw'>" + classModifiers() + "</th><th>" + nameToHTML(true) + "</th><th>" + nameToHTML(false) + "</th></tr>");
fieldsByObf.values().forEach(f -> f.printHTML(out));
printConstructorsHTML(out);
methodsByObf.values().forEach(m -> m.printHTML(out));
}
@ -370,7 +398,41 @@ public class NMSReflect {
return "record";
if (clazz.isPrimitive())
return "primitive";
return "Class";
return "class";
}
private String classModifiers() {
Class<?> clazz = runtimeClass();
int clModifiers = clazz.getModifiers();
return modifiersToString(clModifiers) + " " + classKind();
}
private void printConstructorsHTML(PrintStream out) {
String classObfSimpleName = obfName.substring(obfName.lastIndexOf('.') + 1);
String classMojSimpleName = mojName.substring(mojName.lastIndexOf('.') + 1);
for (Constructor<?> ct : runtimeClass().getDeclaredConstructors()) {
List<Type> obfParams = new ArrayList<>();
List<Type> mojParams = new ArrayList<>();
for (Class<?> param : ct.getParameterTypes()) {
ClassMapping cm = (IS_SERVER_OBFUSCATED ? CLASSES_BY_OBF : CLASSES_BY_MOJ).get(param.getName());
if (cm == null) {
Type t = Type.of(param);
obfParams.add(t);
mojParams.add(t);
}
else {
obfParams.add(cm.toType(true));
mojParams.add(cm.toType(false));
}
}
out.println("<tr>"
+ "<td class='kw'>" + modifiersToString(ct.getModifiers()) + "</td>"
+ "<td><b class='mtd' title='Constructor'>" + classObfSimpleName + "</b>(" + obfParams.stream().map(t -> t.toHTML(true)).collect(Collectors.joining(", ")) + ")</td>"
+ "<td><b class='mtd' title='Constructor'>" + classMojSimpleName + "</b>(" + mojParams.stream().map(t -> t.toHTML(false)).collect(Collectors.joining(", ")) + ")</td>"
+ "</tr>");
}
}
}
@ -390,9 +452,14 @@ public class NMSReflect {
return toString().compareTo(o.toString());
}
private String toHTML(boolean isObfClass) {
private String toHTML(boolean isObfClass, boolean isStatic, boolean isFinal) {
String paramsHTML = parametersType.stream().map(p -> p.toHTML(isObfClass)).collect(Collectors.joining(", "));
String identifierHTML = "<b class='mtd'>" + name + "</b>(" + paramsHTML + ")";
String cl = "mtd";
if (isStatic)
cl += " st";
if (isFinal)
cl += " fn";
String identifierHTML = "<span class='" + cl + "'>" + name + "</span>(" + paramsHTML + ")";
return identifierHTML;
}
@ -406,12 +473,18 @@ public class NMSReflect {
private static record MemberDesc<I extends Comparable<I>>(I identifier, Type returnType) {
private String toHTML(boolean isObfClass) {
private String toHTML(boolean isObfClass, boolean isStatic, boolean isFinal) { // TODO
String identifierHTML = "";
if (identifier instanceof MethodId mId)
identifierHTML = mId.toHTML(isObfClass);
else if (identifier instanceof String n)
identifierHTML = "<b class='fld'>" + n + "</b>";
identifierHTML = mId.toHTML(isObfClass, isStatic, isFinal);
else if (identifier instanceof String n) {
String cl = "fld";
if (isStatic)
cl += " st";
if (isFinal)
cl += " fn";
identifierHTML = "<span class='" + cl + "'>" + n + "</span>";
}
return returnType.toHTML(isObfClass) + " " + identifierHTML;
}
@ -447,25 +520,54 @@ public class NMSReflect {
private static class MemberMapping<I extends Comparable<I>> {
private String type;
private static abstract class MemberMapping<I extends Comparable<I>, R extends ReflectMember<?, ?, ?, ?>> {
/* package */ MemberDesc<I> obfDesc, mojDesc;
private MemberMapping(String type, MemberDesc<I> obfDesc, MemberDesc<I> mojDesc) {
this.type = type;
/* package */ ClassMapping declaringClass;
private MemberMapping(MemberDesc<I> obfDesc, MemberDesc<I> mojDesc) {
this.obfDesc = obfDesc;
this.mojDesc = mojDesc;
}
/* package */ void printHTML(PrintStream out) {
out.println("<tr><td>" + type + "</td><td>" + obfDesc.toHTML(true) + "</td><td>" + mojDesc.toHTML(false) + "</td></tr>");
int mod = 0;
try {
mod = getReflectMember().getModifiers();
} catch (ReflectiveOperationException e) {
// ignore
}
boolean isStatic = Modifier.isStatic(mod);
boolean isFinal = Modifier.isFinal(mod);
out.println("<tr>"
+ "<td class='kw'>" + modifiersToString(mod) + "</td>"
+ "<td>" + obfDesc.toHTML(true, isStatic, isFinal) + "</td>"
+ "<td>" + mojDesc.toHTML(false, isStatic, isFinal) + "</td>"
+ "</tr>");
}
private static MemberMapping<MethodId> of(MappingTree.MethodMapping mioMapping) {
return new MemberMapping<>("Method", MemberDesc.of(mioMapping, OBF_NAMESPACE), MemberDesc.of(mioMapping, MOJ_NAMESPACE));
/* package */ MemberDesc<I> getReflectDesc() {
return (IS_SERVER_OBFUSCATED ? obfDesc : mojDesc);
}
private static MemberMapping<String> of(MappingTree.FieldMapping mioMapping) {
return new MemberMapping<>("Field", MemberDesc.of(mioMapping, OBF_NAMESPACE), MemberDesc.of(mioMapping, MOJ_NAMESPACE));
/* package */ abstract R getReflectMember() throws ReflectiveOperationException;
private static MemberMapping<MethodId, ReflectMethod<?>> of(MappingTree.MethodMapping mioMapping) {
return new MemberMapping<>(MemberDesc.of(mioMapping, OBF_NAMESPACE), MemberDesc.of(mioMapping, MOJ_NAMESPACE)) {
@Override
ReflectMethod<?> getReflectMember() throws ClassNotFoundException, NoSuchMethodException {
MethodId id = getReflectDesc().identifier;
return declaringClass.runtimeReflectClass.method(id.name, Type.toClassArray(id.parametersType));
}
};
}
private static MemberMapping<String, ReflectField<?>> of(MappingTree.FieldMapping mioMapping) {
return new MemberMapping<>(MemberDesc.of(mioMapping, OBF_NAMESPACE), MemberDesc.of(mioMapping, MOJ_NAMESPACE)) {
@Override
ReflectField<?> getReflectMember() throws NoSuchFieldException {
String id = getReflectDesc().identifier;
return declaringClass.runtimeReflectClass.field(id);
}
};
}
}
@ -474,8 +576,6 @@ public class NMSReflect {
/* package */ static String binaryClassName(String cl) {
return cl.replace('/', '.');
}
@ -483,4 +583,27 @@ public class NMSReflect {
private static String modifiersToString(int elModifiers) {
List<String> modifiers = new ArrayList<>();
if (Modifier.isPublic(elModifiers))
modifiers.add("public");
if (Modifier.isProtected(elModifiers))
modifiers.add("protected");
if (Modifier.isPrivate(elModifiers))
modifiers.add("private");
if (Modifier.isStatic(elModifiers))
modifiers.add("static");
if (Modifier.isAbstract(elModifiers))
modifiers.add("abstract");
if (Modifier.isFinal(elModifiers))
modifiers.add("final");
return String.join(" ", modifiers);
}
}