001    package railo.runtime.functions.system;
002    
003    import java.io.IOException;
004    
005    import railo.commons.io.CompressUtil;
006    import railo.commons.io.res.Resource;
007    import railo.commons.io.res.util.ResourceUtil;
008    import railo.runtime.PageContext;
009    import railo.runtime.exp.FunctionException;
010    import railo.runtime.exp.PageException;
011    import railo.runtime.ext.function.Function;
012    import railo.runtime.op.Caster;
013    import railo.runtime.type.util.ListUtil;
014    
015    /**
016     * Implements the CFML Function compress
017     */
018    public final class Extract implements Function {
019            
020        public static boolean call(PageContext pc , String strFormat, String strSource, String srcTarget) throws PageException {
021            
022            strFormat=strFormat.trim().toLowerCase();
023            int format=CompressUtil.FORMAT_ZIP;
024            if(strFormat.equals("bzip")) format=CompressUtil.FORMAT_BZIP;
025            else if(strFormat.equals("bzip2")) format=CompressUtil.FORMAT_BZIP2;
026            else if(strFormat.equals("gzip")) format=CompressUtil.FORMAT_GZIP;
027            else if(strFormat.equals("tar")) format=CompressUtil.FORMAT_TAR;
028            else if(strFormat.equals("tbz")) format=CompressUtil.FORMAT_TBZ;
029            else if(strFormat.startsWith("tar.bz")) format=CompressUtil.FORMAT_TBZ;
030            else if(strFormat.equals("tbz2")) format=CompressUtil.FORMAT_TBZ2;
031            else if(strFormat.startsWith("tar.gz")) format=CompressUtil.FORMAT_TGZ;
032            else if(strFormat.equals("tgz")) format=CompressUtil.FORMAT_TGZ;
033            else if(strFormat.equals("zip")) format=CompressUtil.FORMAT_ZIP;
034            else throw new FunctionException(pc,"compress",1,"format","invalid format definition ["+strFormat+"]," +
035                    " valid formats are [bzip,gzip,tar,tbz (tar bzip),tgz (tar gzip) and zip]");
036            
037            
038            String[] arrSources=ListUtil.toStringArrayEL(ListUtil.listToArrayRemoveEmpty(strSource,","));
039            
040            Resource[] sources=new Resource[arrSources.length];
041            for(int i=0;i<sources.length;i++) {
042                sources[i]=ResourceUtil.toResourceExisting(pc, arrSources[i]);
043                    //FileUtil.toFileExisting(pc,arrSources[i]);
044                pc.getConfig().getSecurityManager().checkFileLocation(sources[i]);
045            }
046    
047            
048            Resource target=ResourceUtil.toResourceExisting(pc,srcTarget);
049            pc.getConfig().getSecurityManager().checkFileLocation(target);
050            
051            try {
052                CompressUtil.extract(format,sources,target);
053            } catch (IOException e) {
054                throw Caster.toPageException(e);
055            }
056            return true;
057        }
058        
059    }