package com.planet_ink.coffee_mud.core.intermud.cm1.commands;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.intermud.cm1.RequestHandler;
import com.planet_ink.coffee_mud.core.*;
import com.planet_ink.coffee_mud.core.collections.*;
import com.planet_ink.coffee_mud.Abilities.interfaces.*;
import com.planet_ink.coffee_mud.Areas.interfaces.*;
import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
import com.planet_ink.coffee_mud.Commands.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.*;
import com.planet_ink.coffee_mud.Exits.interfaces.*;
import com.planet_ink.coffee_mud.Items.interfaces.*;
import com.planet_ink.coffee_mud.Libraries.interfaces.*;
import com.planet_ink.coffee_mud.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;
import java.util.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.channels.SocketChannel;
import java.nio.channels.spi.SelectorProvider;
import java.io.*;
import java.util.concurrent.atomic.*;
/*
Copyright 2014-2016 Bo Zimmerman
Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
public class FileCmd extends CM1Command
{
@Override
public String getCommandWord()
{
return "FILE";
}
public FileCmd(RequestHandler req, String parameters)
{
super(req, parameters);
}
@Override
public void run()
{
try
{
final String firstWord=CMLib.english().getFirstWord(parameters).toUpperCase().trim();
if(firstWord.equals("LENGTH"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(7).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
req.sendMsg("[OK "+f.length()+"]");
}
else
if(firstWord.equals("AUTHOR"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(7).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
req.sendMsg("[OK "+f.author()+"]");
}
else
if(firstWord.equals("LASTMODIFIED"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(13).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
req.sendMsg("[OK "+CMLib.time().date2String(f.lastModified())+"]");
}
else
if(firstWord.equals("DELETE"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(7).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
if((!f.canWrite())||(!f.delete()))
req.sendMsg("[FAIL UNAUTHORIZED "+filename+"]");
else
req.sendMsg("[OK "+CMLib.time().date2String(f.lastModified())+"]");
}
else
if(firstWord.equals("READ"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(5).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
if(f.isDirectory() && f.canRead())
{
final StringBuilder str=new StringBuilder("");
for(final CMFile f2 : f.listFiles())
str.append(f2.getName()).append(f2.isDirectory()?"/ ":" ");
req.sendMsg("[OK "+str.toString().trim()+"]");
}
else
if(f.canRead())
{
String eob="/BLOCK:"+Math.random();
final String data=f.textUnformatted().toString();
while(data.indexOf(eob)>=0)
eob="/BLOCK:"+Math.random();
req.sendMsg("[BLOCK "+eob+"]");
req.sendMsg(data+eob);
}
else
req.sendMsg("[FAIL UNAUTHORIZED "+filename+"]");
}
else
if(firstWord.equals("READB64"))
{
final String filename= CMStrings.trimQuotes(parameters.substring(5).trim());
final CMFile f = new CMFile(filename,req.getUser());
if(!f.exists())
req.sendMsg("[FAIL FILE NOT FOUND "+filename+"]");
else
if(f.isDirectory() && f.canRead())
{
final StringBuilder str=new StringBuilder("");
for(final CMFile f2 : f.listFiles())
str.append(f2.getName()).append(f2.isDirectory()?"/ ":" ");
req.sendMsg("[OK "+str.toString().trim()+"]");
}
else
if(f.canRead())
{
String eob="/BLOCK:"+Math.random();
final String data=B64Encoder.B64encodeBytes(f.raw());
while(data.indexOf(eob)>=0)
eob="/BLOCK:"+Math.random();
req.sendMsg("[BLOCK "+eob+"]");
req.sendMsg(data+eob);
}
else
req.sendMsg("[FAIL UNAUTHORIZED "+filename+"]");
}
else
if(firstWord.equals("WRITE"))
{
String rest=parameters.substring(6);
while(rest.startsWith(" "))
rest=rest.substring(1);
CMFile f;
if(rest.startsWith("\""))
{
final int x=rest.indexOf("\" ",1);
if(x<0)
f=null;
else
{
f=new CMFile(rest.substring(1,x),req.getUser());
rest=rest.substring(x+2);
}
}
else
{
final int x=rest.indexOf(' ');
if(x<0)
f=null;
else
{
f=new CMFile(rest.substring(1,x),req.getUser());
rest=rest.substring(x+1);
}
}
if((f==null)||((f.exists()&&f.isDirectory())||(!f.canWrite())))
req.sendMsg("[FAIL BAD FILENAME]");
else
{
if(f.saveText(rest))
req.sendMsg("[OK]");
else
req.sendMsg("[FAIL UNABLE TO WRITE]");
}
}
else
if(firstWord.equals("WRITEB64"))
{
String rest=parameters.substring(9);
while(rest.startsWith(" "))
rest=rest.substring(1);
CMFile f;
if(rest.startsWith("\""))
{
final int x=rest.indexOf("\" ",1);
if(x<0)
f=null;
else
{
f=new CMFile(rest.substring(1,x),req.getUser());
rest=rest.substring(x+2);
}
}
else
{
final int x=rest.indexOf(' ');
if(x<0)
f=null;
else
{
f=new CMFile(rest.substring(1,x),req.getUser());
rest=rest.substring(x+1);
}
}
if((f==null)||((f.exists()&&f.isDirectory())||(!f.canWrite())))
req.sendMsg("[FAIL BAD FILENAME]");
else
{
final byte[] binData=B64Encoder.B64decode(rest);
if(f.saveRaw(binData))
req.sendMsg("[OK]");
else
req.sendMsg("[FAIL UNABLE TO WRITE]");
}
}
else
req.sendMsg("[FAIL "+getHelp(req.getUser(), null, null)+"]");
}
catch(final java.io.IOException ioe)
{
Log.errOut(className,ioe);
req.close();
}
}
@Override
public boolean passesSecurityCheck(MOB user, PhysicalAgent target)
{
if(user == null)
return false;
return CMSecurity.hasAccessibleDir(user,null);
}
@Override
public String getHelp(MOB user, PhysicalAgent target, String rest)
{
final String word=CMLib.english().getFirstWord(rest==null?"":rest).toUpperCase().trim();
if (word.equals("READ"))
return "USAGE: "+getCommandWord()+" READ \"<FILENAME>\": returns contents of the file or directory as a block.";
else
if (word.equals("DELETE"))
return "USAGE: "+getCommandWord()+" DELETE \"<FILENAME>\": deletes the file or directory (if empty).";
else
if (word.equals("WRITE"))
return "USAGE: "+getCommandWord()+" WRITE \"<FILENAME>\" <CONTENT>: creates or overwrites file.";
else
if (word.equals("READB64"))
return "USAGE: "+getCommandWord()+" READB64 \"<FILENAME>\": returns contents of the file as a block of b64 encoded data.";
else
if (word.equals("WRITEB64"))
return "USAGE: "+getCommandWord()+" WRITEB64 \"<FILENAME>\" <CONTENT>: creates or overwrites file with b64 encoded data.";
else
if (word.equals("LENGTH"))
return "USAGE: "+getCommandWord()+" LENGTH \"<FILENAME>\": returns length of the file.";
else
if (word.equals("AUTHOR"))
return "USAGE: "+getCommandWord()+" AUTHOR \"<FILENAME>\": returns author of the file.";
else
if (word.equals("LASTMODIFIED"))
return "USAGE: "+getCommandWord()+" LASTMODIFIED \"<FILENAME>\": returns last modified date/time of the file.";
else
return "USAGE: "+getCommandWord()+" READ, READB64, WRITE, WRITEB64, LENGTH, AUTHOR, LASTMODIFIED";
}
}
