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"; } }