001 package railo.runtime.functions.file; 002 003 import railo.commons.io.res.Resource; 004 import railo.commons.io.res.util.ResourceUtil; 005 import railo.commons.lang.StringUtil; 006 import railo.runtime.PageContext; 007 import railo.runtime.exp.FunctionException; 008 import railo.runtime.exp.PageException; 009 010 public class FileOpen { 011 012 public static Object call(PageContext pc, String path) throws PageException { 013 return call(pc, path,"read",pc.getConfig().getResourceCharset(),false); 014 } 015 public static Object call(PageContext pc, String path,String mode) throws PageException { 016 return call(pc, path,mode,pc.getConfig().getResourceCharset(),false); 017 } 018 019 public static Object call(PageContext pc, String path,String strMode, String charset) throws PageException { 020 return call(pc, path,strMode,charset,false); 021 } 022 023 public static Object call(PageContext pc, String path,String strMode, String charset,boolean seekable) throws PageException { 024 025 strMode=strMode.trim().toLowerCase(); 026 if(StringUtil.isEmpty(charset,true)) 027 charset=pc.getConfig().getResourceCharset(); 028 //try { 029 030 if("read".equals(strMode)) { 031 return new FileStreamWrapperRead(check(pc,ResourceUtil.toResourceExisting(pc, path)),charset,seekable); 032 } 033 if("readbinary".equals(strMode)) { 034 return new FileStreamWrapperReadBinary(check(pc,ResourceUtil.toResourceExisting(pc, path)),seekable); 035 } 036 if("write".equals(strMode)) { 037 return new FileStreamWrapperWrite(check(pc,ResourceUtil.toResourceNotExisting(pc, path)),charset,false,seekable); 038 } 039 if("append".equals(strMode)) { 040 return new FileStreamWrapperWrite(check(pc,ResourceUtil.toResourceNotExisting(pc, path)),charset,true,seekable); 041 } 042 if("readwrite".equals(strMode)) { 043 return new FileStreamWrapperReadWrite(check(pc,ResourceUtil.toResourceNotExisting(pc, path)),charset,seekable); 044 } 045 046 047 throw new FunctionException(pc,"FileOpen",2,"mode","invalid value ["+strMode+"], valid values for argument mode are [read,readBinary,append,write,readwrite]"); 048 049 050 051 } 052 private static Resource check(PageContext pc, Resource res) throws PageException { 053 pc.getConfig().getSecurityManager().checkFileLocation(res); 054 return res; 055 } 056 057 }