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DEC-19137 修复第三方库中命令注入风险

release/10.0
vito 3 years ago
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  1. 319
      fine-itext/src/main/java/com/fr/third/v2/lowagie/tools/Executable.java

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fine-itext/src/main/java/com/fr/third/v2/lowagie/tools/Executable.java
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/*
* $Id: Executable.java 3373 2008-05-12 16:21:24Z xlv $
*
* Copyright 2005 by Bruno Lowagie / Roger Mistelli
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.fr.third.v2.lowagie.tools;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Method;
/**
* This class enables you to call an executable that will show a PDF file.
*/
public class Executable {
/**
* The path to Acrobat Reader.
*/
public static String acroread = null;
/**
* Performs an action on a PDF document.
* @param fileName
* @param parameters
* @param waitForTermination
* @return a process
* @throws IOException
*/
private static Process action(final String fileName,
String parameters, boolean waitForTermination) throws IOException {
Process process = null;
if (parameters.trim().length() > 0) {
parameters = " " + parameters.trim();
}
else {
parameters = "";
}
if (acroread != null) {
process = Runtime.getRuntime().exec(
acroread + parameters + " \"" + fileName + "\"");
}
else if (isWindows()) {
if (isWindows9X()) {
process = Runtime.getRuntime().exec(
"command.com /C start acrord32" + parameters + " \"" + fileName + "\"");
}
else {
process = Runtime.getRuntime().exec(
"cmd /c start acrord32" + parameters + " \"" + fileName + "\"");
}
}
else if (isMac()) {
if (parameters.trim().length() == 0) {
process = Runtime.getRuntime().exec(
new String[] { "/usr/bin/open", fileName });
}
else {
process = Runtime.getRuntime().exec(
new String[] { "/usr/bin/open", parameters.trim(), fileName });
}
}
try {
if (process != null && waitForTermination)
process.waitFor();
} catch (InterruptedException ie) {
}
return process;
}
/**
* Opens a PDF document.
* @param fileName
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process openDocument(String fileName,
boolean waitForTermination) throws IOException {
return action(fileName, "", waitForTermination);
}
/**
* Opens a PDF document.
* @param file
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process openDocument(File file,
boolean waitForTermination) throws IOException {
return openDocument(file.getAbsolutePath(), waitForTermination);
}
/**
* Opens a PDF document.
* @param fileName
* @return a process
* @throws IOException
*/
public static final Process openDocument(String fileName) throws IOException {
return openDocument(fileName, false);
}
/**
* Opens a PDF document.
* @param file
* @return a process
* @throws IOException
*/
public static final Process openDocument(File file) throws IOException {
return openDocument(file, false);
}
/**
* Prints a PDF document.
* @param fileName
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process printDocument(String fileName,
boolean waitForTermination) throws IOException {
return action(fileName, "/p", waitForTermination);
}
/**
* Prints a PDF document.
* @param file
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process printDocument(File file,
boolean waitForTermination) throws IOException {
return printDocument(file.getAbsolutePath(), waitForTermination);
}
/**
* Prints a PDF document.
* @param fileName
* @return a process
* @throws IOException
*/
public static final Process printDocument(String fileName) throws IOException {
return printDocument(fileName, false);
}
/**
* Prints a PDF document.
* @param file
* @return a process
* @throws IOException
*/
public static final Process printDocument(File file) throws IOException {
return printDocument(file, false);
}
/**
* Prints a PDF document without opening a Dialog box.
* @param fileName
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process printDocumentSilent(String fileName,
boolean waitForTermination) throws IOException {
return action(fileName, "/p /h", waitForTermination);
}
/**
* Prints a PDF document without opening a Dialog box.
* @param file
* @param waitForTermination
* @return a process
* @throws IOException
*/
public static final Process printDocumentSilent(File file,
boolean waitForTermination) throws IOException {
return printDocumentSilent(file.getAbsolutePath(), waitForTermination);
}
/**
* Prints a PDF document without opening a Dialog box.
* @param fileName
* @return a process
* @throws IOException
*/
public static final Process printDocumentSilent(String fileName) throws IOException {
return printDocumentSilent(fileName, false);
}
/**
* Prints a PDF document without opening a Dialog box.
* @param file
* @return a process
* @throws IOException
*/
public static final Process printDocumentSilent(File file) throws IOException {
return printDocumentSilent(file, false);
}
/**
* Launches a browser opening an URL.
*
* @param url the URL you want to open in the browser
* @throws IOException
*/
public static final void launchBrowser(String url) throws IOException {
try {
if (isMac()) {
Class macUtils = Class.forName("com.apple.mrj.MRJFileUtils");
Method openURL = macUtils.getDeclaredMethod("openURL", new Class[] {String.class});
openURL.invoke(null, new Object[] {url});
}
else if (isWindows())
Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
else { //assume Unix or Linux
String[] browsers = {
"firefox", "opera", "konqueror", "mozilla", "netscape" };
String browser = null;
for (int count = 0; count < browsers.length && browser == null; count++)
if (Runtime.getRuntime().exec(new String[] {"which", browsers[count]}).waitFor() == 0)
browser = browsers[count];
if (browser == null)
throw new Exception("Could not find web browser.");
else
Runtime.getRuntime().exec(new String[] {browser, url});
}
}
catch (Exception e) {
throw new IOException("Error attempting to launch web browser");
}
}
/**
* Checks the Operating System.
*
* @return true if the current os is Windows
*/
public static boolean isWindows() {
String os = System.getProperty("os.name").toLowerCase();
return os.indexOf("windows") != -1 || os.indexOf("nt") != -1;
}
/**
* Checks the Operating System.
*
* @return true if the current os is Windows
*/
public static boolean isWindows9X() {
String os = System.getProperty("os.name").toLowerCase();
return os.equals("windows 95") || os.equals("windows 98");
}
/**
* Checks the Operating System.
*
* @return true if the current os is Apple
*/
public static boolean isMac() {
String os = System.getProperty("os.name").toLowerCase();
return os.indexOf("mac") != -1;
}
/**
* Checks the Operating System.
*
* @return true if the current os is Linux
*/
public static boolean isLinux() {
String os = System.getProperty("os.name").toLowerCase();
return os.indexOf("linux") != -1;
}
}
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