+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpeclipse.obfuscator;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
-
-import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
-import net.sourceforge.phpdt.core.compiler.InvalidInputException;
-import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
-import net.sourceforge.phpdt.internal.compiler.parser.SyntaxError;
-import net.sourceforge.phpdt.internal.compiler.util.Util;
-import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.core.resources.IContainer;
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.jface.preference.IPreferenceStore;
-
-/**
- * Helper class for exporting resources to the file system.
- */
-public class ObfuscatorPass2Exporter implements ITerminalSymbols {
- private Scanner fScanner;
- private int fToken;
- private int fCounter;
-
- protected HashMap fIdentifierMap;
-
- public ObfuscatorPass2Exporter(Scanner scanner, HashMap identifierMap) {
- fScanner = scanner;
- fIdentifierMap = identifierMap;
- fCounter = 0;
- }
-
- /**
- * gets the next token from input
- */
- private void getNextToken() {
-
- try {
- fToken = fScanner.getNextToken();
- if (Scanner.DEBUG) {
- int currentEndPosition = fScanner.getCurrentTokenEndPosition();
- int currentStartPosition = fScanner.getCurrentTokenStartPosition();
-
- System.out.print(currentStartPosition + "," + currentEndPosition + ": ");
- System.out.println(fScanner.toStringAction(fToken));
- }
- return;
- } catch (InvalidInputException e) {
-
- }
- fToken = TokenNameERROR;
- }
-
- private boolean obfuscate(StringBuffer buf) {
- char[] ident;
- String identifier;
- PHPIdentifier value;
-
- int startPosition = 0;
- int lastPosition = 0;
-
- IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
- try {
- while (fToken != TokenNameEOF && fToken != TokenNameERROR) {
- if (fToken == TokenNameVariable) {
- identifier = new String(fScanner.getCurrentIdentifierSource());
- lastPosition = fScanner.startPosition;
- int len = lastPosition - startPosition;
- buf.append(fScanner.source, startPosition, len);
- value = (PHPIdentifier) fIdentifierMap.get(identifier);
- if (value != null) {
- String obfuscatedIdentifier = value.getIdentifier();
- if (obfuscatedIdentifier == null) {
- buf.append("$v" + Integer.toString(fCounter));
- value.setIdentifier("$v" + Integer.toString(fCounter++));
- } else {
- buf.append(obfuscatedIdentifier);
- }
- // System.out.println(hexString.toString());
- } else {
- buf.append(identifier);
- }
- startPosition = fScanner.currentPosition;
- getNextToken();
- } else if (fToken == TokenNameIdentifier) {
- identifier = new String(fScanner.getCurrentIdentifierSource());
- lastPosition = fScanner.startPosition;
- int len = lastPosition - startPosition;
- buf.append(fScanner.source, startPosition, len);
- value = (PHPIdentifier) fIdentifierMap.get(identifier);
- if (value != null) {
- String obfuscatedIdentifier = value.getIdentifier();
- if (obfuscatedIdentifier == null) {
- buf.append("_" + Integer.toString(fCounter));
- value.setIdentifier("_" + Integer.toString(fCounter++));
- } else {
- buf.append(obfuscatedIdentifier);
- }
- // System.out.println(hexString.toString());
- } else {
- buf.append(identifier);
- }
- startPosition = fScanner.currentPosition;
- getNextToken();
-
- } else if (fToken == TokenNameCOMMENT_LINE || fToken == TokenNameCOMMENT_BLOCK || fToken == TokenNameCOMMENT_PHPDOC) {
- lastPosition = fScanner.startPosition;
- buf.append(fScanner.source, startPosition, lastPosition - startPosition);
- startPosition = fScanner.currentPosition;
- getNextToken();
- } else if (fToken == TokenNameStringLiteral) {
- char currentCharacter;
- int i = fScanner.startPosition;
- ArrayList varList = new ArrayList();
-
- lastPosition = fScanner.startPosition;
- int len = lastPosition - startPosition;
- buf.append(fScanner.source, startPosition, len);
-
- while (i < fScanner.currentPosition) {
- currentCharacter = fScanner.source[i++];
- if (currentCharacter == '$' && fScanner.source[i - 2] != '\\') {
- StringBuffer varName = new StringBuffer();
- varName.append("$");
- while (i < fScanner.currentPosition) {
- currentCharacter = fScanner.source[i++];
- if (!Scanner.isPHPIdentifierPart(currentCharacter)) {
- break; // while loop
- }
- varName.append(currentCharacter);
- }
- varList.add(varName.toString());
- }
- }
- StringBuffer stringLiteral = new StringBuffer();
- stringLiteral.append(fScanner.source, fScanner.startPosition, fScanner.currentPosition - fScanner.startPosition);
- String stringIdent;
- String replacement;
- int index;
-
- for (int j = 0; j < varList.size(); j++) {
- stringIdent = (String) varList.get(j);
- len = stringIdent.length();
- value = (PHPIdentifier) fIdentifierMap.get(stringIdent);
- if (value != null) {
- String obfuscatedIdentifier = value.getIdentifier();
- if (obfuscatedIdentifier == null) {
- replacement = "$v" + Integer.toString(fCounter);
- value.setIdentifier("$v" + Integer.toString(fCounter++));
- } else {
- replacement = obfuscatedIdentifier;
- }
- // System.out.println(hexString.toString());
- } else {
- replacement = stringIdent;
- }
- index = stringLiteral.indexOf(stringIdent);
- if (index >= 0) {
- if (index > 0 && stringLiteral.charAt(index - 1) != '\\') {
- stringLiteral.replace(index, index + stringIdent.length(), replacement);
- } else if (index == 0) {
- stringLiteral.replace(index, index + stringIdent.length(), replacement);
- }
- }
- }
- buf.append(stringLiteral);
- startPosition = fScanner.currentPosition;
- getNextToken();
- }
- if (fToken == TokenNameMINUS_GREATER) { // i.e. $this->var_name
- getNextToken();
- if (fToken == TokenNameIdentifier) {
- // assuming this is a dereferenced variable
- identifier = new String(fScanner.getCurrentIdentifierSource());
- lastPosition = fScanner.startPosition;
- int len = lastPosition - startPosition;
- buf.append(fScanner.source, startPosition, len);
- value = (PHPIdentifier) fIdentifierMap.get("$" + identifier);
- if (value != null && value.isVariable()) {
- String obfuscatedIdentifier = value.getIdentifier();
- if (obfuscatedIdentifier == null) {
- // note: don't place a $ before the identifier
- buf.append("v" + Integer.toString(fCounter));
- value.setIdentifier("$v" + Integer.toString(fCounter++));
- } else {
- if (obfuscatedIdentifier.charAt(0) == '$') {
- buf.append(obfuscatedIdentifier.substring(1));
- } else {
- buf.append(obfuscatedIdentifier);
- }
- }
- } else {
- buf.append(identifier);
- }
- startPosition = fScanner.currentPosition;
- getNextToken();
- }
-
- } else {
- getNextToken();
- }
- }
- if (startPosition < fScanner.source.length) {
- buf.append(fScanner.source, startPosition, fScanner.source.length - startPosition);
- }
- return true;
- } catch (SyntaxError sytaxErr) {
- // do nothing
- }
-
- return false;
- }
- /**
- * Creates the specified file system directory at <code>destinationPath</code>.
- * This creates a new file system directory.
- */
- public void createFolder(IPath destinationPath) {
- new File(destinationPath.toOSString()).mkdir();
- }
- /**
- * Writes the passed resource to the specified location recursively
- */
- public void write(IResource resource, IPath destinationPath) throws CoreException, IOException {
- if (resource.getType() == IResource.FILE)
- writeFile((IFile) resource, destinationPath);
- else
- writeChildren((IContainer) resource, destinationPath);
- }
- /**
- * Exports the passed container's children
- */
- protected void writeChildren(IContainer folder, IPath destinationPath) throws CoreException, IOException {
- if (folder.isAccessible()) {
- IResource[] children = folder.members();
- for (int i = 0; i < children.length; i++) {
- IResource child = children[i];
- writeResource(child, destinationPath.append(child.getName()));
- }
- }
- }
- /**
- * Writes the passed file resource to the specified destination on the local
- * file system
- */
- protected void writeFile(IFile file, IPath destinationPath) throws IOException, CoreException {
- if (PHPFileUtil.isPHPFile(file)) {
- InputStream stream = null;
- char[] charArray = null;
- try {
- stream = new BufferedInputStream(file.getContents());
- charArray = Util.getInputStreamAsCharArray(stream, -1, null);
- } catch (IOException e) {
- return;
- } finally {
- try {
- if (stream != null) {
- stream.close();
- }
- } catch (IOException e) {
- }
- }
-
- if (charArray == null) {
- // TODO show error message
- return;
- }
-
- fScanner.setSource(charArray);
- fScanner.setPHPMode(false);
- fToken = TokenNameEOF;
- getNextToken();
-
- StringBuffer buf = new StringBuffer();
- if (!obfuscate(buf)) {
- copyFile(file, destinationPath);
- } else {
- // charArray = buf.toString().toCharArray();
- // File targetFile = new File(destinationPath.toOSString());
- BufferedWriter bw = new BufferedWriter(new FileWriter(destinationPath.toOSString()));
- bw.write(buf.toString());
- bw.close();
- }
-
- } else {
- copyFile(file, destinationPath);
- }
- }
-
- private void copyFile(IFile file, IPath destinationPath) throws FileNotFoundException, CoreException, IOException {
- FileOutputStream output = null;
- InputStream contentStream = null;
-
- try {
- output = new FileOutputStream(destinationPath.toOSString());
- contentStream = file.getContents(false);
- int chunkSize = contentStream.available();
- byte[] readBuffer = new byte[chunkSize];
- int n = contentStream.read(readBuffer);
-
- while (n > 0) {
- output.write(readBuffer);
- n = contentStream.read(readBuffer);
- }
- } finally {
- if (output != null)
- output.close();
- if (contentStream != null)
- contentStream.close();
- }
- }
- /**
- * Writes the passed resource to the specified location recursively
- */
- protected void writeResource(IResource resource, IPath destinationPath) throws CoreException, IOException {
- if (resource.getType() == IResource.FILE)
- writeFile((IFile) resource, destinationPath);
- else {
- createFolder(destinationPath);
- writeChildren((IContainer) resource, destinationPath);
- }
- }
-}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff