/* CVS ID: $Id: SystemCheck.java,v 1.1.1.1 2002/10/02 18:42:51 wastl Exp $ */
package net.wastl.webmail.server;
import java.io.*;
import java.util.regex.*;
import net.wastl.webmail.exceptions.*;
/**
* SystemCheck.java
*
* Created: Tue Aug 31 15:40:57 1999
*
* Copyright (C) 1999-2000 Sebastian Schaffert
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
*
*
*
* @author Sebastian Schaffert
* @version
*/
public class SystemCheck {
public SystemCheck(WebMailServer parent) throws WebMailException {
System.err.println("- Checking Java Virtual Machine ... ");
System.err.print(" * Version: "+System.getProperty("java.version")+" ... ");
/* Test if the Java version might cause trouble */
if(System.getProperty("java.version").compareTo("1.4")>=0) {
System.err.println("ok.");
} else {
System.err.println("warn. At least Java 1.4 is required for WebMail.");
//System.exit(1);
}
/* Test if the operating system is supported */
System.err.print(" * Operating System: "+System.getProperty("os.name")+"/"+System.getProperty("os.arch")+" "+System.getProperty("os.version")+" ... ");
if(System.getProperty("os.name").equals("SunOS") ||
System.getProperty("os.name").equals("Solaris") ||
System.getProperty("os.name").equals("Linux")) {
System.err.println("ok.");
} else {
System.err.println("warning. WebMail was only tested\n on Solaris, HP-UX and Linux and may cause problems on your platform.");
}
/* Check if we are running as root and issue a warning */
try {
System.err.print(" * User name: "+System.getProperty("user.name")+" ... ");
if(!System.getProperty("user.name").equals("root")) {
System.err.println("ok.");
} else {
System.err.println("warning. You are running WebMail as root. This may be a potential security problem.");
}
} catch(Exception ex) {
// Security restriction prohibit reading the username, then we do not need to
// check for root anyway
}
/* Check whether all WebMail system properties are defined */
System.err.print(" * WebMail System Properties: ");
//checkPathProperty(parent,"webmail.plugin.path");
//checkPathProperty(parent,"webmail.auth.path");
checkPathProperty(parent,"webmail.lib.path");
checkPathProperty(parent,"webmail.template.path");
checkPathProperty(parent,"webmail.data.path");
checkPathProperty(parent,"webmail.xml.path");
System.err.println("ok!");
System.err.print(" * Setting DTD-path in webmail.xml ... ");
File f1=new File(parent.getProperty("webmail.data.path")+System.getProperty("file.separator")+"webmail.xml");
File f2=new File(parent.getProperty("webmail.data.path")+System.getProperty("file.separator")+"webmail.xml."+Long.toHexString(System.currentTimeMillis()));
try {
Pattern regexp=Pattern.compile("<!DOCTYPE SYSDATA SYSTEM \".*\">");
BufferedReader file1=new BufferedReader(new FileReader(f1));
PrintWriter file2=new PrintWriter(new FileWriter(f2));
try {
String line=file1.readLine();
while(line != null) {
Matcher m = regexp.matcher(line);
String s = m.replaceAll("<!DOCTYPE SYSDATA SYSTEM \"file://"+
parent.getProperty("webmail.xml.path")+
System.getProperty("file.separator")+
"sysdata.dtd"+"\">");
// String s=regexp.substituteAll(line,"<!DOCTYPE SYSDATA SYSTEM \"file://"+
// parent.getProperty("webmail.xml.path")+
// System.getProperty("file.separator")+
// "sysdata.dtd"+"\">");
//System.err.println(s);
file2.println(s);
line=file1.readLine();
}
} catch(EOFException ex) {
}
file2.close();
file1.close();
} catch(Exception ex) {
//ex.printStackTrace();
//throw new WebMailException("Error parsing webmail.xml!");
throw new WebMailException(ex);
}
f2.renameTo(f1);
System.err.println("done!");
}
protected static void checkPathProperty(WebMailServer parent,String property) throws WebMailException {
if(parent.getProperty(property) == null ||
parent.getProperty(property).equals("")) {
System.err.println("fatal error. "+property+" not defined.");
throw new WebMailException();
} else {
try {
File f=new File(parent.getProperty(property));
parent.setProperty(property,f.getCanonicalPath());
} catch(IOException ex) {
throw new WebMailException(ex.getMessage());
}
}
}
} // SystemCheck
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