// TODO - handle encodings
String boundary="--"+value(content_type.substring(content_type.indexOf("boundary=")));
byte[] byteBoundary=(boundary+"--").getBytes(StringUtil.__ISO_8859_1);
MultiMap params = new MultiMap();
for (Iterator i = request.getParameterMap().entrySet().iterator();i.hasNext();)
{
Map.Entry entry=(Map.Entry)i.next();
Object value=entry.getValue();
if (value instanceof String[])
params.addValues(entry.getKey(),(String[])value);
else
params.add(entry.getKey(),value);
}
try
{
// Get first boundary
byte[] bytes=TypeUtil.readLine(in);
String line=bytes==null?null:new String(bytes,"UTF-8");
if(line==null || !line.equals(boundary))
{
throw new IOException("Missing initial multi part boundary");
}
// Read each part
boolean lastPart=false;
String content_disposition=null;
while(!lastPart)
{
while(true)
{
bytes=TypeUtil.readLine(in);
// If blank line, end of part headers
if(bytes==null || bytes.length==0)
break;
line=new String(bytes,"UTF-8");
// place part header key and value in map
int c=line.indexOf(':',0);
if(c>0)
{
String key=line.substring(0,c).trim().toLowerCase();
String value=line.substring(c+1,line.length()).trim();
if(key.equals("content-disposition"))
content_disposition=value;
}
}
// Extract content-disposition
boolean form_data=false;
if(content_disposition==null)
{
throw new IOException("Missing content-disposition");
}
StringTokenizer tok=new StringTokenizer(content_disposition,";");
String name=null;
String filename=null;
while(tok.hasMoreTokens())
{
String t=tok.nextToken().trim();
String tl=t.toLowerCase();
if(t.startsWith("form-data"))
form_data=true;
else if(tl.startsWith("name="))
name=value(t);
else if(tl.startsWith("filename="))
filename=value(t);
}
// Check disposition
if(!form_data)
{
continue;
}
//It is valid for reset and submit buttons to have an empty name.
//If no name is supplied, the browser skips sending the info for that field.
//However, if you supply the empty string as the name, the browser sends the
//field, with name as the empty string. So, only continue this loop if we
//have not yet seen a name field.
if(name==null)
{
continue;
}
OutputStream out=null;
File file=null;
try
{
if (filename!=null && filename.length()>0)
{
file = File.createTempFile("MultiPart", "", tempdir);
out = new FileOutputStream(file);
if(_fileOutputBuffer>0)
out = new BufferedOutputStream(out, _fileOutputBuffer);
request.setAttribute(name,file);
params.add(name, filename);
if (_deleteFiles)
{
file.deleteOnExit();
ArrayList files = (ArrayList)request.getAttribute(FILES);
if (files==null)
{
files=new ArrayList();
request.setAttribute(FILES,files);
}
files.add(file);
}
}
else
out=new ByteArrayOutputStream();
int state=-2;
int c;
boolean cr=false;
boolean lf=false;
// loop for all lines`
while(true)
{
int b=0;
while((c=(state!=-2)?state:in.read())!=-1)
{
state=-2;
// look for CR and/or LF
if(c==13||c==10)
{
if(c==13)
state=in.read();
break;
}
// look for boundary
if(b>=0&&b<byteBoundary.length&&c==byteBoundary[b])
b++;
else
{
// this is not a boundary
if(cr)
out.write(13);
if(lf)
out.write(10);
cr=lf=false;
if(b>0)
out.write(byteBoundary,0,b);
b=-1;
out.write(c);
}
}
// check partial boundary
if((b>0&&b<byteBoundary.length-2)||(b==byteBoundary.length-1))
{
if(cr)
out.write(13);
if(lf)
out.write(10);
cr=lf=false;
out.write(byteBoundary,0,b);
b=-1;
}
// boundary match
if(b>0||c==-1)
{
if(b==byteBoundary.length)
lastPart=true;
if(state==10)
state=-2;
break;
}
// handle CR LF
if(cr)
out.write(13);
if(lf)
out.write(10);
cr=(c==13);
lf=(c==10||state==10);
if(state==10)
state=-2;
}
}
finally
{
out.close();
}
if (file==null)
{
bytes = ((ByteArrayOutputStream)out).toByteArray();
params.add(name,bytes);
}
}
// handle request
chain.doFilter(new Wrapper(srequest,params),response);