mirror of
https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
synced 2026-06-14 14:02:00 +00:00
1113 lines
49 KiB
Java
1113 lines
49 KiB
Java
/*
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* Copyright (C) 2010-2013 JPEXS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.jpexs.decompiler.flash.abc;
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import com.jpexs.decompiler.flash.EventListener;
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import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
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import com.jpexs.decompiler.flash.abc.avm2.ConstantPool;
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import com.jpexs.decompiler.flash.abc.avm2.UnknownInstructionCode;
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import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
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import com.jpexs.decompiler.flash.abc.avm2.instructions.executing.CallPropertyIns;
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import com.jpexs.decompiler.flash.abc.avm2.instructions.stack.PushStringIns;
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import com.jpexs.decompiler.flash.abc.types.*;
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import com.jpexs.decompiler.flash.abc.types.traits.Trait;
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import com.jpexs.decompiler.flash.abc.types.traits.TraitClass;
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import com.jpexs.decompiler.flash.abc.types.traits.TraitFunction;
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import com.jpexs.decompiler.flash.abc.types.traits.TraitMethodGetterSetter;
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import com.jpexs.decompiler.flash.abc.types.traits.TraitSlotConst;
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import com.jpexs.decompiler.flash.abc.types.traits.Traits;
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import com.jpexs.decompiler.flash.abc.usages.*;
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import com.jpexs.decompiler.flash.helpers.collections.MyEntry;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Random;
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import java.util.Set;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.regex.Pattern;
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public class ABC {
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public int major_version = 0;
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public int minor_version = 0;
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public ConstantPool constants;
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public MethodInfo method_info[];
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public MetadataInfo metadata_info[];
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public InstanceInfo instance_info[];
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public ClassInfo class_info[];
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public ScriptInfo script_info[];
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public MethodBody bodies[];
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private int bodyIdxFromMethodIdx[];
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public long stringOffsets[];
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public static final String IDENT_STRING = " ";
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public static final int MINORwithDECIMAL = 17;
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protected HashSet<EventListener> listeners = new HashSet<>();
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private static Logger logger = Logger.getLogger(ABC.class.getName());
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public void addEventListener(EventListener listener) {
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listeners.add(listener);
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}
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public void removeEventListener(EventListener listener) {
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listeners.remove(listener);
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}
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protected void informListeners(String event, Object data) {
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for (EventListener listener : listeners) {
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listener.handleEvent(event, data);
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}
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}
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public int removeTraps() {
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int rem = 0;
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for (int s = 0; s < script_info.length; s++) {
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rem += script_info[s].removeTraps(s, this, "");
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}
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return rem;
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}
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public int removeDeadCode() {
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int rem = 0;
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for (MethodBody body : bodies) {
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rem += body.removeDeadCode(constants);
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}
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return rem;
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}
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public void restoreControlFlow() {
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for (MethodBody body : bodies) {
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body.restoreControlFlow(constants);
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}
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}
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public Set<Integer> getNsStringUsages() {
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Set<Integer> ret = new HashSet<>();
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for (int n = 1; n < constants.constant_namespace.length; n++) {
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ret.add(constants.constant_namespace[n].name_index);
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}
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return ret;
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}
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public Set<Integer> getStringUsages() {
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Set<Integer> ret = new HashSet<>();
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for (MethodBody body : bodies) {
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for (AVM2Instruction ins : body.code.code) {
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for (int i = 0; i < ins.definition.operands.length; i++) {
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if (ins.definition.operands[i] == AVM2Code.DAT_STRING_INDEX) {
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ret.add(ins.operands[i]);
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}
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}
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}
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}
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return ret;
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}
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private void setStringUsageType(Map<Integer, String> ret, int strIndex, String usageType) {
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if (ret.containsKey(strIndex)) {
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if (!"name".equals(usageType)) {
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if (!ret.get(strIndex).equals(usageType)) {
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ret.put(strIndex, "name");
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}
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}
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} else {
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ret.put(strIndex, usageType);
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}
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}
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private void getStringUsageTypes(Map<Integer, String> ret, Traits traits, boolean classesOnly) {
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for (Trait t : traits.traits) {
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int strIndex = constants.constant_multiname[t.name_index].name_index;
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String usageType = "";
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if (t instanceof TraitClass) {
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TraitClass tc = (TraitClass) t;
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getStringUsageTypes(ret, class_info[tc.class_info].static_traits, classesOnly);
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getStringUsageTypes(ret, instance_info[tc.class_info].instance_traits, classesOnly);
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if (instance_info[tc.class_info].name_index != 0) {
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setStringUsageType(ret, constants.constant_multiname[instance_info[tc.class_info].name_index].name_index, "class");
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}
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if (instance_info[tc.class_info].super_index != 0) {
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setStringUsageType(ret, constants.constant_multiname[instance_info[tc.class_info].super_index].name_index, "class");
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}
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usageType = "class";
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}
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if (t instanceof TraitMethodGetterSetter) {
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TraitMethodGetterSetter tm = (TraitMethodGetterSetter) t;
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usageType = "method";
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MethodBody body = findBody(tm.method_info);
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if (body != null) {
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getStringUsageTypes(ret, body.traits, classesOnly);
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}
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}
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if (t instanceof TraitFunction) {
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TraitFunction tf = (TraitFunction) t;
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MethodBody body = findBody(tf.method_info);
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if (body != null) {
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getStringUsageTypes(ret, body.traits, classesOnly);
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}
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usageType = "function";
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}
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if (t instanceof TraitSlotConst) {
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TraitSlotConst ts = (TraitSlotConst) t;
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if (ts.isVar()) {
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usageType = "var";
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}
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if (ts.isConst()) {
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usageType = "const";
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}
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}
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if (usageType.equals("class") || (!classesOnly)) {
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setStringUsageType(ret, strIndex, usageType);
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}
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}
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}
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public void getStringUsageTypes(Map<Integer, String> ret, boolean classesOnly) {
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for (ScriptInfo script : script_info) {
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getStringUsageTypes(ret, script.traits, classesOnly);
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}
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}
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public void renameMultiname(int multinameIndex, String newname) {
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if (multinameIndex <= 0 || multinameIndex >= constants.constant_multiname.length) {
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throw new IllegalArgumentException("Multiname with index " + multinameIndex + " does not exist");
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}
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Set<Integer> stringUsages = getStringUsages();
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Set<Integer> namespaceUsages = getNsStringUsages();
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int strIndex = constants.constant_multiname[multinameIndex].name_index;
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if (stringUsages.contains(strIndex) || namespaceUsages.contains(strIndex)) { //name is used elsewhere as string literal
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strIndex = constants.forceGetStringId(newname);
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constants.constant_multiname[multinameIndex].name_index = strIndex;
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} else {
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constants.constant_string[strIndex] = newname;
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}
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}
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public void deobfuscateIdentifiers(HashMap<String, String> namesMap, RenameType renameType, boolean classesOnly) {
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Set<Integer> stringUsages = getStringUsages();
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Set<Integer> namespaceUsages = getNsStringUsages();
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Map<Integer, String> stringUsageTypes = new HashMap<>();
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informListeners("deobfuscate", "Getting usage types...");
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getStringUsageTypes(stringUsageTypes, classesOnly);
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for (int i = 0; i < instance_info.length; i++) {
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informListeners("deobfuscate", "class " + i + "/" + instance_info.length);
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if (instance_info[i].name_index != 0) {
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constants.constant_multiname[instance_info[i].name_index].name_index = deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.constant_multiname[instance_info[i].name_index].name_index, true, renameType);
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if (constants.constant_multiname[instance_info[i].name_index].namespace_index != 0) {
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constants.constant_namespace[constants.constant_multiname[instance_info[i].name_index].namespace_index].name_index =
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deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, constants.constant_namespace[constants.constant_multiname[instance_info[i].name_index].namespace_index].name_index, renameType);
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}
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}
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if (instance_info[i].super_index != 0) {
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constants.constant_multiname[instance_info[i].super_index].name_index = deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.constant_multiname[instance_info[i].super_index].name_index, true, renameType);
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}
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}
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if (classesOnly) {
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return;
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}
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for (int i = 1; i < constants.constant_multiname.length; i++) {
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informListeners("deobfuscate", "name " + i + "/" + constants.constant_multiname.length);
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constants.constant_multiname[i].name_index = deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, constants.constant_multiname[i].name_index, false, renameType);
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}
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for (int i = 1; i < constants.constant_namespace.length; i++) {
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informListeners("deobfuscate", "namespace " + i + "/" + constants.constant_namespace.length);
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if (constants.constant_namespace[i].kind != Namespace.KIND_PACKAGE) { //only packages
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continue;
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}
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constants.constant_namespace[i].name_index = deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, constants.constant_namespace[i].name_index, renameType);
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}
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//process reflection using getDefinitionByName too
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for (MethodBody body : bodies) {
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for (int ip = 0; ip < body.code.code.size(); ip++) {
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if (body.code.code.get(ip).definition instanceof CallPropertyIns) {
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int mIndex = body.code.code.get(ip).operands[0];
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if (mIndex > 0) {
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Multiname m = constants.constant_multiname[mIndex];
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if (m.getNameWithNamespace(constants).equals("flash.utils.getDefinitionByName")) {
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if (ip > 0) {
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if (body.code.code.get(ip - 1).definition instanceof PushStringIns) {
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int strIndex = body.code.code.get(ip - 1).operands[0];
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String fullname = constants.constant_string[strIndex];
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String pkg = "";
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String name = fullname;
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if (fullname.contains(".")) {
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pkg = fullname.substring(0, fullname.lastIndexOf("."));
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name = fullname.substring(fullname.lastIndexOf(".") + 1);
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}
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if (!pkg.equals("")) {
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int pkgStrIndex = constants.forceGetStringId(pkg);
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pkgStrIndex = deobfuscatePackageName(stringUsageTypes, stringUsages, namesMap, pkgStrIndex, renameType);
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pkg = constants.constant_string[pkgStrIndex];
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}
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int nameStrIndex = constants.forceGetStringId(name);
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nameStrIndex = deobfuscateName(stringUsageTypes, stringUsages, namespaceUsages, namesMap, nameStrIndex, true, renameType);
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name = constants.constant_string[nameStrIndex];
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String fullChanged = "";
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if (!pkg.equals("")) {
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fullChanged = pkg + ".";
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}
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fullChanged += name;
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strIndex = constants.forceGetStringId(fullChanged);
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body.code.code.get(ip - 1).operands[0] = strIndex;
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}
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}
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}
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}
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}
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}
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}
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}
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public ABC(InputStream is) throws IOException {
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ABCInputStream ais = new ABCInputStream(is);
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minor_version = ais.readU16();
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major_version = ais.readU16();
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logger.log(Level.FINE, "ABC minor_version: {0}, major_version: {1}", new Object[]{minor_version, major_version});
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constants = new ConstantPool();
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//constant integers
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int constant_int_pool_count = ais.readU30();
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constants.constant_int = new long[constant_int_pool_count];
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for (int i = 1; i < constant_int_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_int[i] = ais.readS32();
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}
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//constant unsigned integers
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int constant_uint_pool_count = ais.readU30();
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constants.constant_uint = new long[constant_uint_pool_count];
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for (int i = 1; i < constant_uint_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_uint[i] = ais.readU32();
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}
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//constant double
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int constant_double_pool_count = ais.readU30();
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constants.constant_double = new double[constant_double_pool_count];
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for (int i = 1; i < constant_double_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_double[i] = ais.readDouble();
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}
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//constant decimal
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if (minor_version >= MINORwithDECIMAL) {
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int constant_decimal_pool_count = ais.readU30();
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constants.constant_decimal = new Decimal[constant_decimal_pool_count];
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for (int i = 1; i < constant_decimal_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_decimal[i] = ais.readDecimal();
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}
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} else {
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constants.constant_decimal = new Decimal[0];
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}
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//constant string
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int constant_string_pool_count = ais.readU30();
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constants.constant_string = new String[constant_string_pool_count];
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stringOffsets = new long[constant_string_pool_count];
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constants.constant_string[0] = "";
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for (int i = 1; i < constant_string_pool_count; i++) { //index 0 not used. Values 1..n-1
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long pos = ais.getPosition();
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constants.constant_string[i] = ais.readString();
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stringOffsets[i] = pos;
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}
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//constant namespace
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int constant_namespace_pool_count = ais.readU30();
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constants.constant_namespace = new Namespace[constant_namespace_pool_count];
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for (int i = 1; i < constant_namespace_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_namespace[i] = ais.readNamespace();
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}
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//constant namespace set
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int constant_namespace_set_pool_count = ais.readU30();
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constants.constant_namespace_set = new NamespaceSet[constant_namespace_set_pool_count];
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for (int i = 1; i < constant_namespace_set_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_namespace_set[i] = new NamespaceSet();
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int namespace_count = ais.readU30();
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constants.constant_namespace_set[i].namespaces = new int[namespace_count];
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for (int j = 0; j < namespace_count; j++) {
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constants.constant_namespace_set[i].namespaces[j] = ais.readU30();
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}
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}
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//constant multiname
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int constant_multiname_pool_count = ais.readU30();
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constants.constant_multiname = new Multiname[constant_multiname_pool_count];
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for (int i = 1; i < constant_multiname_pool_count; i++) { //index 0 not used. Values 1..n-1
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constants.constant_multiname[i] = ais.readMultiname();
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}
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//method info
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int methods_count = ais.readU30();
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method_info = new MethodInfo[methods_count];
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bodyIdxFromMethodIdx = new int[methods_count];
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for (int i = 0; i < methods_count; i++) {
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method_info[i] = ais.readMethodInfo();
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bodyIdxFromMethodIdx[i] = -1;
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}
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//metadata info
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int metadata_count = ais.readU30();
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metadata_info = new MetadataInfo[metadata_count];
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for (int i = 0; i < metadata_count; i++) {
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int name_index = ais.readU30();
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int values_count = ais.readU30();
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int keys[] = new int[values_count];
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for (int v = 0; v < values_count; v++) {
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keys[v] = ais.readU30();
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}
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int values[] = new int[values_count];
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for (int v = 0; v < values_count; v++) {
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values[v] = ais.readU30();
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}
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metadata_info[i] = new MetadataInfo(name_index, keys, values);
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}
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int class_count = ais.readU30();
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instance_info = new InstanceInfo[class_count];
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for (int i = 0; i < class_count; i++) {
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instance_info[i] = ais.readInstanceInfo();
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}
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class_info = new ClassInfo[class_count];
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for (int i = 0; i < class_count; i++) {
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ClassInfo ci = new ClassInfo();
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ci.cinit_index = ais.readU30();
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ci.static_traits = ais.readTraits();
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class_info[i] = ci;
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}
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int script_count = ais.readU30();
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script_info = new ScriptInfo[script_count];
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for (int i = 0; i < script_count; i++) {
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ScriptInfo si = new ScriptInfo();
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si.init_index = ais.readU30();
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si.traits = ais.readTraits();
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script_info[i] = si;
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}
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int bodies_count = ais.readU30();
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bodies = new MethodBody[bodies_count];
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for (int i = 0; i < bodies_count; i++) {
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MethodBody mb = new MethodBody();
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mb.method_info = ais.readU30();
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mb.max_stack = ais.readU30();
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mb.max_regs = ais.readU30();
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mb.init_scope_depth = ais.readU30();
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mb.max_scope_depth = ais.readU30();
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int code_length = ais.readU30();
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mb.codeBytes = ais.readBytes(code_length);
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try {
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mb.code = new AVM2Code(new ByteArrayInputStream(mb.codeBytes));
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} catch (UnknownInstructionCode re) {
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mb.code = new AVM2Code();
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Logger.getLogger(ABC.class.getName()).log(Level.SEVERE, null, re);
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}
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mb.code.compact();
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int ex_count = ais.readU30();
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mb.exceptions = new ABCException[ex_count];
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for (int j = 0; j < ex_count; j++) {
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ABCException abce = new ABCException();
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abce.start = ais.readU30();
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|
abce.end = ais.readU30();
|
|
abce.target = ais.readU30();
|
|
abce.type_index = ais.readU30();
|
|
abce.name_index = ais.readU30();
|
|
mb.exceptions[j] = abce;
|
|
}
|
|
mb.traits = ais.readTraits();
|
|
bodies[i] = mb;
|
|
method_info[mb.method_info].setBody(mb);
|
|
bodyIdxFromMethodIdx[mb.method_info] = i;
|
|
}
|
|
loadNamespaceMap();
|
|
}
|
|
|
|
public void saveToStream(OutputStream os) throws IOException {
|
|
ABCOutputStream aos = new ABCOutputStream(os);
|
|
aos.writeU16(minor_version);
|
|
aos.writeU16(major_version);
|
|
|
|
aos.writeU30(constants.constant_int.length);
|
|
for (int i = 1; i < constants.constant_int.length; i++) {
|
|
aos.writeS32(constants.constant_int[i]);
|
|
}
|
|
aos.writeU30(constants.constant_uint.length);
|
|
for (int i = 1; i < constants.constant_uint.length; i++) {
|
|
aos.writeU32(constants.constant_uint[i]);
|
|
}
|
|
|
|
aos.writeU30(constants.constant_double.length);
|
|
for (int i = 1; i < constants.constant_double.length; i++) {
|
|
aos.writeDouble(constants.constant_double[i]);
|
|
}
|
|
|
|
if (minor_version >= MINORwithDECIMAL) {
|
|
aos.writeU30(constants.constant_decimal.length);
|
|
for (int i = 1; i < constants.constant_decimal.length; i++) {
|
|
aos.writeDecimal(constants.constant_decimal[i]);
|
|
}
|
|
}
|
|
|
|
aos.writeU30(constants.constant_string.length);
|
|
for (int i = 1; i < constants.constant_string.length; i++) {
|
|
aos.writeString(constants.constant_string[i]);
|
|
}
|
|
|
|
aos.writeU30(constants.constant_namespace.length);
|
|
for (int i = 1; i < constants.constant_namespace.length; i++) {
|
|
aos.writeNamespace(constants.constant_namespace[i]);
|
|
}
|
|
|
|
aos.writeU30(constants.constant_namespace_set.length);
|
|
for (int i = 1; i < constants.constant_namespace_set.length; i++) {
|
|
aos.writeU30(constants.constant_namespace_set[i].namespaces.length);
|
|
for (int j = 0; j < constants.constant_namespace_set[i].namespaces.length; j++) {
|
|
aos.writeU30(constants.constant_namespace_set[i].namespaces[j]);
|
|
}
|
|
}
|
|
|
|
aos.writeU30(constants.constant_multiname.length);
|
|
for (int i = 1; i < constants.constant_multiname.length; i++) {
|
|
aos.writeMultiname(constants.constant_multiname[i]);
|
|
}
|
|
|
|
aos.writeU30(method_info.length);
|
|
for (int i = 0; i < method_info.length; i++) {
|
|
aos.writeMethodInfo(method_info[i]);
|
|
}
|
|
|
|
aos.writeU30(metadata_info.length);
|
|
for (int i = 0; i < metadata_info.length; i++) {
|
|
aos.writeU30(metadata_info[i].name_index);
|
|
aos.writeU30(metadata_info[i].values.length);
|
|
for (int j = 0; j < metadata_info[i].values.length; j++) {
|
|
aos.writeU30(metadata_info[i].keys[j]);
|
|
}
|
|
for (int j = 0; j < metadata_info[i].values.length; j++) {
|
|
aos.writeU30(metadata_info[i].values[j]);
|
|
}
|
|
}
|
|
|
|
aos.writeU30(class_info.length);
|
|
for (int i = 0; i < instance_info.length; i++) {
|
|
aos.writeInstanceInfo(instance_info[i]);
|
|
}
|
|
for (int i = 0; i < class_info.length; i++) {
|
|
aos.writeU30(class_info[i].cinit_index);
|
|
aos.writeTraits(class_info[i].static_traits);
|
|
}
|
|
aos.writeU30(script_info.length);
|
|
for (int i = 0; i < script_info.length; i++) {
|
|
aos.writeU30(script_info[i].init_index);
|
|
aos.writeTraits(script_info[i].traits);
|
|
}
|
|
|
|
aos.writeU30(bodies.length);
|
|
for (int i = 0; i < bodies.length; i++) {
|
|
aos.writeU30(bodies[i].method_info);
|
|
aos.writeU30(bodies[i].max_stack);
|
|
aos.writeU30(bodies[i].max_regs);
|
|
aos.writeU30(bodies[i].init_scope_depth);
|
|
aos.writeU30(bodies[i].max_scope_depth);
|
|
byte codeBytes[] = bodies[i].code.getBytes();
|
|
aos.writeU30(codeBytes.length);
|
|
aos.write(codeBytes);
|
|
aos.writeU30(bodies[i].exceptions.length);
|
|
for (int j = 0; j < bodies[i].exceptions.length; j++) {
|
|
aos.writeU30(bodies[i].exceptions[j].start);
|
|
aos.writeU30(bodies[i].exceptions[j].end);
|
|
aos.writeU30(bodies[i].exceptions[j].target);
|
|
aos.writeU30(bodies[i].exceptions[j].type_index);
|
|
aos.writeU30(bodies[i].exceptions[j].name_index);
|
|
}
|
|
aos.writeTraits(bodies[i].traits);
|
|
}
|
|
}
|
|
|
|
public MethodBody findBody(int methodInfo) {
|
|
if (methodInfo < 0) {
|
|
return null;
|
|
}
|
|
return method_info[methodInfo].getBody();
|
|
}
|
|
|
|
public int findBodyIndex(int methodInfo) {
|
|
if (methodInfo == -1) {
|
|
return -1;
|
|
}
|
|
return bodyIdxFromMethodIdx[methodInfo];
|
|
}
|
|
|
|
public MethodBody findBodyByClassAndName(String className, String methodName) {
|
|
for (int i = 0; i < instance_info.length; i++) {
|
|
if (className.equals(constants.constant_multiname[instance_info[i].name_index].getName(constants, new ArrayList<String>()))) {
|
|
for (Trait t : instance_info[i].instance_traits.traits) {
|
|
if (t instanceof TraitMethodGetterSetter) {
|
|
TraitMethodGetterSetter t2 = (TraitMethodGetterSetter) t;
|
|
if (methodName.equals(t2.getName(this).getName(constants, new ArrayList<String>()))) {
|
|
for (MethodBody body : bodies) {
|
|
if (body.method_info == t2.method_info) {
|
|
return body;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//break;
|
|
}
|
|
}
|
|
for (int i = 0; i < class_info.length; i++) {
|
|
if (className.equals(constants.constant_multiname[instance_info[i].name_index].getName(constants, new ArrayList<String>()))) {
|
|
for (Trait t : class_info[i].static_traits.traits) {
|
|
if (t instanceof TraitMethodGetterSetter) {
|
|
TraitMethodGetterSetter t2 = (TraitMethodGetterSetter) t;
|
|
if (methodName.equals(t2.getName(this).getName(constants, new ArrayList<String>()))) {
|
|
for (MethodBody body : bodies) {
|
|
if (body.method_info == t2.method_info) {
|
|
return body;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//break;
|
|
}
|
|
}
|
|
|
|
|
|
return null;
|
|
}
|
|
|
|
public static String addTabs(String s, int tabs) {
|
|
String parts[] = s.split("\r\n");
|
|
if (!s.contains("\r\n")) {
|
|
parts = s.split("\n");
|
|
}
|
|
StringBuilder ret = new StringBuilder();
|
|
for (int i = 0; i < parts.length; i++) {
|
|
for (int t = 0; t < tabs; t++) {
|
|
ret.append(IDENT_STRING);
|
|
}
|
|
ret.append(parts[i]);
|
|
if (i < parts.length - 1) {
|
|
ret.append("\r\n");
|
|
}
|
|
}
|
|
return ret.toString();
|
|
}
|
|
|
|
public boolean isStaticTraitId(int classIndex, int traitId) {
|
|
if (traitId < class_info[classIndex].static_traits.traits.length) {
|
|
return true;
|
|
} else if (traitId < class_info[classIndex].static_traits.traits.length + instance_info[classIndex].instance_traits.traits.length) {
|
|
return false;
|
|
} else {
|
|
return true; //Can be class or instance initializer
|
|
}
|
|
}
|
|
|
|
public Trait findTraitByTraitId(int classIndex, int traitId) {
|
|
if (classIndex == -1) {
|
|
return null;
|
|
}
|
|
if (traitId < class_info[classIndex].static_traits.traits.length) {
|
|
return class_info[classIndex].static_traits.traits[traitId];
|
|
} else if (traitId < class_info[classIndex].static_traits.traits.length + instance_info[classIndex].instance_traits.traits.length) {
|
|
traitId -= class_info[classIndex].static_traits.traits.length;
|
|
return instance_info[classIndex].instance_traits.traits[traitId];
|
|
} else {
|
|
return null; //Can be class or instance initializer
|
|
}
|
|
}
|
|
|
|
public int findMethodIdByTraitId(int classIndex, int traitId) {
|
|
if (classIndex == -1) {
|
|
return -1;
|
|
}
|
|
if (traitId < class_info[classIndex].static_traits.traits.length) {
|
|
if (class_info[classIndex].static_traits.traits[traitId] instanceof TraitMethodGetterSetter) {
|
|
return ((TraitMethodGetterSetter) class_info[classIndex].static_traits.traits[traitId]).method_info;
|
|
} else {
|
|
return -1;
|
|
}
|
|
} else if (traitId < class_info[classIndex].static_traits.traits.length + instance_info[classIndex].instance_traits.traits.length) {
|
|
traitId -= class_info[classIndex].static_traits.traits.length;
|
|
if (instance_info[classIndex].instance_traits.traits[traitId] instanceof TraitMethodGetterSetter) {
|
|
return ((TraitMethodGetterSetter) instance_info[classIndex].instance_traits.traits[traitId]).method_info;
|
|
} else {
|
|
return -1;
|
|
}
|
|
} else {
|
|
traitId -= class_info[classIndex].static_traits.traits.length + instance_info[classIndex].instance_traits.traits.length;
|
|
if (traitId == 0) {
|
|
return instance_info[classIndex].iinit_index;
|
|
} else if (traitId == 1) {
|
|
return class_info[classIndex].cinit_index;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
/* Map from multiname index of namespace value to namespace name**/
|
|
private HashMap<String, String> namespaceMap;
|
|
|
|
private void loadNamespaceMap() {
|
|
namespaceMap = new HashMap<>();
|
|
for (ScriptInfo si : script_info) {
|
|
for (Trait t : si.traits.traits) {
|
|
if (t instanceof TraitSlotConst) {
|
|
TraitSlotConst s = ((TraitSlotConst) t);
|
|
if (s.isNamespace()) {
|
|
String key = constants.constant_namespace[s.value_index].getName(constants);
|
|
String val = constants.constant_multiname[s.name_index].getNameWithNamespace(constants);
|
|
namespaceMap.put(key, val);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public String builtInNs(String ns) {
|
|
if (ns.equals("http://www.adobe.com/2006/actionscript/flash/proxy")) {
|
|
return "flash.utils.flash_proxy";
|
|
}
|
|
if (ns.equals("http://adobe.com/AS3/2006/builtin")) {
|
|
return "-";
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public String nsValueToName(String value) {
|
|
if (namespaceMap.containsKey(value)) {
|
|
return namespaceMap.get(value);
|
|
} else {
|
|
String ns = builtInNs(value);
|
|
if (ns == null) {
|
|
return "";
|
|
} else {
|
|
return ns;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*public void export(String directory, boolean pcode, List<ABCContainerTag> abcList, boolean parallel) throws IOException {
|
|
export(directory, pcode, abcList, "", parallel);
|
|
}*/
|
|
public List<MyEntry<ClassPath, ScriptPack>> getScriptPacks() {
|
|
List<MyEntry<ClassPath, ScriptPack>> ret = new ArrayList<>();
|
|
for (int i = 0; i < script_info.length; i++) {
|
|
ret.addAll(script_info[i].getPacks(this, i));
|
|
}
|
|
return ret;
|
|
}
|
|
/*public List<File> export(String directory, boolean pcode, List<ABCContainerTag> abcList, String abcStr, boolean parallel) throws IOException {
|
|
ExecutorService executor = Executors.newFixedThreadPool(20);
|
|
List<Future<File>> futureResults = new ArrayList<>();
|
|
AtomicInteger cnt = new AtomicInteger(1);
|
|
for (int i = 0; i < script_info.length; i++) {
|
|
HashMap<ClassPath, ScriptPack> packs = script_info[i].getPacks(this, i);
|
|
for (Entry<ClassPath, ScriptPack> entry : packs.entrySet()) {
|
|
Future<File> future = executor.submit(new ExportPackTask(cnt, script_info.length, entry.getKey(), entry.getValue(), directory, abcList, pcode, abcStr, parallel));
|
|
futureResults.add(future);
|
|
}
|
|
}
|
|
|
|
List<File> ret = new ArrayList<>();
|
|
for (int f = 0; f < futureResults.size(); f++) {
|
|
try {
|
|
ret.add(futureResults.get(f).get());
|
|
} catch (InterruptedException | ExecutionException ex) {
|
|
Logger.getLogger(Traits.class.getName()).log(Level.SEVERE, "Error during ABC export", ex);
|
|
}
|
|
}
|
|
|
|
try {
|
|
executor.shutdown();
|
|
executor.awaitTermination(30, TimeUnit.MINUTES);
|
|
} catch (InterruptedException ex) {
|
|
Logger.getLogger(ABC.class.getName()).log(Level.SEVERE, "30 minutes ActionScript export limit reached", ex);
|
|
}
|
|
return ret;
|
|
}*/
|
|
|
|
public void dump(OutputStream os) {
|
|
PrintStream output;
|
|
try {
|
|
output = new PrintStream(os, false, "utf-8");
|
|
} catch (UnsupportedEncodingException ex) {
|
|
Logger.getLogger(ABC.class.getName()).log(Level.SEVERE, null, ex);
|
|
return;
|
|
}
|
|
constants.dump(output);
|
|
for (int i = 0; i < method_info.length; i++) {
|
|
output.println("MethodInfo[" + i + "]:" + method_info[i].toString(constants, new ArrayList<String>()));
|
|
}
|
|
for (int i = 0; i < metadata_info.length; i++) {
|
|
output.println("MetadataInfo[" + i + "]:" + metadata_info[i].toString(constants));
|
|
}
|
|
for (int i = 0; i < instance_info.length; i++) {
|
|
output.println("InstanceInfo[" + i + "]:" + instance_info[i].toString(this, new ArrayList<String>()));
|
|
}
|
|
for (int i = 0; i < class_info.length; i++) {
|
|
output.println("ClassInfo[" + i + "]:" + class_info[i].toString(this, new ArrayList<String>()));
|
|
}
|
|
for (int i = 0; i < script_info.length; i++) {
|
|
output.println("ScriptInfo[" + i + "]:" + script_info[i].toString(this, new ArrayList<String>()));
|
|
}
|
|
for (int i = 0; i < bodies.length; i++) {
|
|
output.println("MethodBody[" + i + "]:"); //+ bodies[i].toString(this, constants, method_info));
|
|
}
|
|
}
|
|
public static final String[] reservedWords = {
|
|
"as", "break", "case", "catch", "class", "const", "continue", "default", "delete", "do", "each", "else",
|
|
"extends", "false", "finally", "for", "function", "get", "if", "implements", "import", "in", "instanceof",
|
|
"interface", "internal", "is", "native", "new", "null", "override", "package", "private", "protected", "public",
|
|
"return", "set", "super", "switch", "this", "throw", "true", "try", "typeof", "use", "var", /*"void",*/ "while",
|
|
"with", "dynamic", "default", "final", "in", "static"};
|
|
public static final String validFirstCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";
|
|
public static final String validNextCharacters = validFirstCharacters + "0123456789";
|
|
public static final String validNsCharacters = ".:$";
|
|
public static final String fooCharacters = "bcdfghjklmnpqrstvwz";
|
|
public static final String fooJoinCharacters = "aeiouy";
|
|
private Random rnd = new Random();
|
|
private final int DEFAULT_FOO_SIZE = 10;
|
|
private Map<String, Integer> usageTypesCount = new HashMap<>();
|
|
|
|
private String fooString(HashMap<String, String> deobfuscated, String orig, boolean firstUppercase, int rndSize, String usageType, RenameType renameType) {
|
|
boolean exists;
|
|
String ret;
|
|
int pos = 0;
|
|
|
|
if (usageType == null) {
|
|
usageType = "name";
|
|
}
|
|
if (usageTypesCount.containsKey(usageType)) {
|
|
pos = usageTypesCount.get(usageType);
|
|
}
|
|
|
|
loopfoo:
|
|
do {
|
|
exists = false;
|
|
ret = "";
|
|
if (renameType == RenameType.TYPENUMBER) {
|
|
pos++;
|
|
ret = usageType + "_" + pos;
|
|
} else if (renameType == RenameType.RANDOMWORD) {
|
|
int len = 3 + rnd.nextInt(rndSize - 3);
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
String c = "";
|
|
if ((i % 2) == 0) {
|
|
c = "" + fooCharacters.charAt(rnd.nextInt(fooCharacters.length()));
|
|
} else {
|
|
c = "" + fooJoinCharacters.charAt(rnd.nextInt(fooJoinCharacters.length()));
|
|
}
|
|
if (i == 0 && firstUppercase) {
|
|
c = c.toUpperCase(Locale.ENGLISH);
|
|
}
|
|
ret += c;
|
|
}
|
|
}
|
|
for (int i = 1; i < constants.constant_string.length; i++) {
|
|
if (constants.constant_string[i].equals(ret)) {
|
|
exists = true;
|
|
rndSize = rndSize + 1;
|
|
continue loopfoo;
|
|
}
|
|
}
|
|
if (isReserved(ret)) {
|
|
exists = true;
|
|
rndSize = rndSize + 1;
|
|
continue;
|
|
}
|
|
if (deobfuscated.containsValue(ret)) {
|
|
exists = true;
|
|
rndSize = rndSize + 1;
|
|
continue;
|
|
}
|
|
} while (exists);
|
|
usageTypesCount.put(usageType, pos);
|
|
deobfuscated.put(orig, ret);
|
|
return ret;
|
|
}
|
|
|
|
private boolean isReserved(String s) {
|
|
for (String rw : reservedWords) {
|
|
if (rw.equals(s.trim())) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private boolean isValidNSPart(String s) {
|
|
boolean isValid = true;
|
|
if (isReserved(s)) {
|
|
isValid = false;
|
|
}
|
|
|
|
if (isValid) {
|
|
for (int i = 0; i < s.length(); i++) {
|
|
if (s.charAt(i) > 127) {
|
|
isValid = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (isValid) {
|
|
Pattern pat = Pattern.compile("^([" + Pattern.quote(validFirstCharacters) + "]" + "[" + Pattern.quote(validFirstCharacters + validNextCharacters + validNsCharacters) + "]*)*$");
|
|
if (!pat.matcher(s).matches()) {
|
|
isValid = false;
|
|
}
|
|
}
|
|
return isValid;
|
|
}
|
|
|
|
public int deobfuscatePackageName(Map<Integer, String> stringUsageTypes, Set<Integer> stringUsages, HashMap<String, String> namesMap, int strIndex, RenameType renameType) {
|
|
if (strIndex <= 0) {
|
|
return strIndex;
|
|
}
|
|
String s = constants.constant_string[strIndex];
|
|
if (builtInNs(s) != null) {
|
|
return strIndex;
|
|
}
|
|
boolean isValid = isValidNSPart(s);
|
|
if (!isValid) {
|
|
String newName;
|
|
if (namesMap.containsKey(s)) {
|
|
newName = constants.constant_string[strIndex] = namesMap.get(s);
|
|
} else {
|
|
String parts[] = null;
|
|
if (s.contains(".")) {
|
|
parts = s.split("\\.");
|
|
} else {
|
|
parts = new String[]{s};
|
|
}
|
|
String ret = "";
|
|
for (int p = 0; p < parts.length; p++) {
|
|
if (p > 0) {
|
|
ret += ".";
|
|
}
|
|
if (!isValidNSPart(parts[p])) {
|
|
ret += fooString(namesMap, parts[p], false, DEFAULT_FOO_SIZE, "package", renameType);
|
|
} else {
|
|
ret += parts[p];
|
|
}
|
|
}
|
|
newName = ret;
|
|
namesMap.put(s, newName);
|
|
}
|
|
if (stringUsages.contains(strIndex)) {
|
|
strIndex = constants.addString(newName);
|
|
} else {
|
|
constants.constant_string[strIndex] = newName;
|
|
}
|
|
|
|
}
|
|
return strIndex;
|
|
}
|
|
|
|
public int deobfuscateName(Map<Integer, String> stringUsageTypes, Set<Integer> stringUsages, Set<Integer> namespaceUsages, HashMap<String, String> namesMap, int strIndex, boolean firstUppercase, RenameType renameType) {
|
|
if (strIndex <= 0) {
|
|
return strIndex;
|
|
}
|
|
String s = constants.constant_string[strIndex];
|
|
boolean isValid = true;
|
|
if (isReserved(s)) {
|
|
isValid = false;
|
|
}
|
|
|
|
if (isValid) {
|
|
for (int i = 0; i < s.length(); i++) {
|
|
if (s.charAt(i) > 127) {
|
|
isValid = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isValid) {
|
|
Pattern pat = Pattern.compile("^[" + Pattern.quote(validFirstCharacters) + "]" + "[" + Pattern.quote(validFirstCharacters + validNextCharacters) + "]*$");
|
|
if (!pat.matcher(s).matches()) {
|
|
isValid = false;
|
|
}
|
|
}
|
|
|
|
if (!isValid) {
|
|
String newname;
|
|
if (namesMap.containsKey(s)) {
|
|
newname = namesMap.get(s);
|
|
} else {
|
|
newname = fooString(namesMap, constants.constant_string[strIndex], firstUppercase, DEFAULT_FOO_SIZE, stringUsageTypes.get(strIndex), renameType);
|
|
}
|
|
if (stringUsages.contains(strIndex) || namespaceUsages.contains(strIndex)) { //this name is already referenced as String
|
|
strIndex = constants.addString(s); //add new index
|
|
}
|
|
constants.constant_string[strIndex] = newname;
|
|
if (!namesMap.containsKey(s)) {
|
|
namesMap.put(s, constants.constant_string[strIndex]);
|
|
}
|
|
}
|
|
return strIndex;
|
|
}
|
|
|
|
private void checkMultinameUsedInMethod(int multinameIndex, int methodInfo, List<MultinameUsage> ret, int classIndex, int traitIndex, boolean isStatic, boolean isInitializer, Traits traits, int parentTraitIndex) {
|
|
for (int p = 0; p < method_info[methodInfo].param_types.length; p++) {
|
|
if (method_info[methodInfo].param_types[p] == multinameIndex) {
|
|
ret.add(new MethodParamsMultinameUsage(multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
|
|
break;
|
|
}
|
|
}
|
|
if (method_info[methodInfo].ret_type == multinameIndex) {
|
|
ret.add(new MethodReturnTypeMultinameUsage(multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
|
|
}
|
|
MethodBody body = findBody(methodInfo);
|
|
if (body != null) {
|
|
findMultinameUsageInTraits(body.traits, multinameIndex, isStatic, classIndex, ret, traitIndex);
|
|
for (ABCException e : body.exceptions) {
|
|
if ((e.name_index == multinameIndex) || (e.type_index == multinameIndex)) {
|
|
ret.add(new MethodBodyMultinameUsage(multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
|
|
return;
|
|
}
|
|
}
|
|
for (AVM2Instruction ins : body.code.code) {
|
|
for (int o = 0; o < ins.definition.operands.length; o++) {
|
|
if (ins.definition.operands[o] == AVM2Code.DAT_MULTINAME_INDEX) {
|
|
if (ins.operands[o] == multinameIndex) {
|
|
ret.add(new MethodBodyMultinameUsage(multinameIndex, classIndex, traitIndex, isStatic, isInitializer, traits, parentTraitIndex));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void findMultinameUsageInTraits(Traits traits, int multinameIndex, boolean isStatic, int classIndex, List<MultinameUsage> ret, int parentTraitIndex) {
|
|
for (int t = 0; t < traits.traits.length; t++) {
|
|
if (traits.traits[t] instanceof TraitSlotConst) {
|
|
TraitSlotConst tsc = (TraitSlotConst) traits.traits[t];
|
|
if (tsc.name_index == multinameIndex) {
|
|
ret.add(new ConstVarNameMultinameUsage(multinameIndex, classIndex, t, isStatic, traits, parentTraitIndex));
|
|
}
|
|
if (tsc.type_index == multinameIndex) {
|
|
ret.add(new ConstVarTypeMultinameUsage(multinameIndex, classIndex, t, isStatic, traits, parentTraitIndex));
|
|
}
|
|
}
|
|
if (traits.traits[t] instanceof TraitMethodGetterSetter) {
|
|
TraitMethodGetterSetter tmgs = (TraitMethodGetterSetter) traits.traits[t];
|
|
if (tmgs.name_index == multinameIndex) {
|
|
ret.add(new MethodNameMultinameUsage(multinameIndex, classIndex, t, isStatic, false, traits, parentTraitIndex));
|
|
}
|
|
checkMultinameUsedInMethod(multinameIndex, tmgs.method_info, ret, classIndex, t, isStatic, false, traits, parentTraitIndex);
|
|
}
|
|
}
|
|
}
|
|
|
|
public List<MultinameUsage> findMultinameUsage(int multinameIndex) {
|
|
List<MultinameUsage> ret = new ArrayList<>();
|
|
if (multinameIndex == 0) {
|
|
return ret;
|
|
}
|
|
for (int c = 0; c < instance_info.length; c++) {
|
|
if (instance_info[c].name_index == multinameIndex) {
|
|
ret.add(new ClassNameMultinameUsage(multinameIndex, c));
|
|
}
|
|
if (instance_info[c].super_index == multinameIndex) {
|
|
ret.add(new ExtendsMultinameUsage(multinameIndex, c));
|
|
}
|
|
for (int i = 0; i < instance_info[c].interfaces.length; i++) {
|
|
if (instance_info[c].interfaces[i] == multinameIndex) {
|
|
ret.add(new ImplementsMultinameUsage(multinameIndex, c));
|
|
}
|
|
}
|
|
checkMultinameUsedInMethod(multinameIndex, instance_info[c].iinit_index, ret, c, 0, false, true, null, -1);
|
|
checkMultinameUsedInMethod(multinameIndex, class_info[c].cinit_index, ret, c, 0, true, true, null, -1);
|
|
findMultinameUsageInTraits(instance_info[c].instance_traits, multinameIndex, false, c, ret, -1);
|
|
findMultinameUsageInTraits(class_info[c].static_traits, multinameIndex, true, c, ret, -1);
|
|
}
|
|
loopm:
|
|
for (int m = 1; m < constants.constant_multiname.length; m++) {
|
|
if (constants.constant_multiname[m].kind == Multiname.TYPENAME) {
|
|
if (constants.constant_multiname[m].qname_index == multinameIndex) {
|
|
ret.add(new TypeNameMultinameUsage(m));
|
|
continue;
|
|
}
|
|
for (int mp : constants.constant_multiname[m].params) {
|
|
if (mp == multinameIndex) {
|
|
ret.add(new TypeNameMultinameUsage(m));
|
|
continue loopm;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
public void autoFillAllBodyParams() {
|
|
for (int i = 0; i < bodies.length; i++) {
|
|
bodies[i].autoFillStats(this);
|
|
}
|
|
}
|
|
|
|
public int findMethodBodyByName(int classId, String methodName) {
|
|
if (classId > -1) {
|
|
for (Trait t : instance_info[classId].instance_traits.traits) {
|
|
if (t instanceof TraitMethodGetterSetter) {
|
|
if (t.getName(this).getName(constants, new ArrayList<String>()).equals(methodName)) {
|
|
return findBodyIndex(((TraitMethodGetterSetter) t).method_info);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public int findMethodBodyByName(String className, String methodName) {
|
|
int classId = findClassByName(className);
|
|
return findMethodBodyByName(classId, methodName);
|
|
}
|
|
|
|
public int findClassByName(String name) {
|
|
for (int c = 0; c < instance_info.length; c++) {
|
|
String s = constants.constant_multiname[instance_info[c].name_index].getNameWithNamespace(constants);
|
|
if (name.equals(s)) {
|
|
return c;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public ScriptPack findScriptPackByPath(String name) {
|
|
List<MyEntry<ClassPath, ScriptPack>> packs = getScriptPacks();
|
|
for (MyEntry<ClassPath, ScriptPack> en : packs) {
|
|
if (en.key.toString().equals(name)) {
|
|
return en.value;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|