/** * Find the next Multipart Delimiter * * @param delimiter delimiter to find * @param dispositionStatus the next status if the delimiter is a start * @param closeDelimiterStatus the next status if the delimiter is a close delimiter * @return the next InterfaceHttpData if any * @throws ErrorDataDecoderException */ private InterfaceHttpData findMultipartDelimiter( String delimiter, MultiPartStatus dispositionStatus, MultiPartStatus closeDelimiterStatus) throws ErrorDataDecoderException { // --AaB03x or --AaB03x-- int readerIndex = undecodedChunk.readerIndex(); HttpPostBodyUtil.skipControlCharacters(undecodedChunk); skipOneLine(); String newline; try { newline = readLine(); } catch (NotEnoughDataDecoderException e) { undecodedChunk.readerIndex(readerIndex); return null; } if (newline.equals(delimiter)) { currentStatus = dispositionStatus; return decodeMultipart(dispositionStatus); } else if (newline.equals(delimiter + "--")) { // CLOSEDELIMITER or MIXED CLOSEDELIMITER found currentStatus = closeDelimiterStatus; if (currentStatus == MultiPartStatus.HEADERDELIMITER) { // MIXEDCLOSEDELIMITER // end of the Mixed part currentFieldAttributes = null; return decodeMultipart(MultiPartStatus.HEADERDELIMITER); } return null; } undecodedChunk.readerIndex(readerIndex); throw new ErrorDataDecoderException("No Multipart delimiter found"); }
/** * Find the next Disposition * * @return the next InterfaceHttpData if any * @throws ErrorDataDecoderException */ private InterfaceHttpData findMultipartDisposition() throws ErrorDataDecoderException { int readerIndex = undecodedChunk.readerIndex(); if (currentStatus == MultiPartStatus.DISPOSITION) { currentFieldAttributes = new TreeMap<String, Attribute>(CaseIgnoringComparator.INSTANCE); } // read many lines until empty line with newline found! Store all data while (!skipOneLine()) { HttpPostBodyUtil.skipControlCharacters(undecodedChunk); String newline; try { newline = readLine(); } catch (NotEnoughDataDecoderException e) { undecodedChunk.readerIndex(readerIndex); return null; } String[] contents = splitMultipartHeader(newline); if (contents[0].equalsIgnoreCase(HttpPostBodyUtil.CONTENT_DISPOSITION)) { boolean checkSecondArg = false; if (currentStatus == MultiPartStatus.DISPOSITION) { checkSecondArg = contents[1].equalsIgnoreCase(HttpPostBodyUtil.FORM_DATA); } else { checkSecondArg = contents[1].equalsIgnoreCase(HttpPostBodyUtil.ATTACHMENT) || contents[1].equalsIgnoreCase(HttpPostBodyUtil.FILE); } if (checkSecondArg) { // read next values and store them in the map as Attribute for (int i = 2; i < contents.length; i++) { String[] values = contents[i].split("="); Attribute attribute; try { attribute = factory.createAttribute( request, values[0].trim(), decodeAttribute(cleanString(values[1]), charset)); } catch (NullPointerException e) { throw new ErrorDataDecoderException(e); } catch (IllegalArgumentException e) { throw new ErrorDataDecoderException(e); } currentFieldAttributes.put(attribute.getName(), attribute); } } } else if (contents[0].equalsIgnoreCase(HttpHeaders.Names.CONTENT_TRANSFER_ENCODING)) { Attribute attribute; try { attribute = factory.createAttribute( request, HttpHeaders.Names.CONTENT_TRANSFER_ENCODING, cleanString(contents[1])); } catch (NullPointerException e) { throw new ErrorDataDecoderException(e); } catch (IllegalArgumentException e) { throw new ErrorDataDecoderException(e); } currentFieldAttributes.put(HttpHeaders.Names.CONTENT_TRANSFER_ENCODING, attribute); } else if (contents[0].equalsIgnoreCase(HttpHeaders.Names.CONTENT_LENGTH)) { Attribute attribute; try { attribute = factory.createAttribute( request, HttpHeaders.Names.CONTENT_LENGTH, cleanString(contents[1])); } catch (NullPointerException e) { throw new ErrorDataDecoderException(e); } catch (IllegalArgumentException e) { throw new ErrorDataDecoderException(e); } currentFieldAttributes.put(HttpHeaders.Names.CONTENT_LENGTH, attribute); } else if (contents[0].equalsIgnoreCase(HttpHeaders.Names.CONTENT_TYPE)) { // Take care of possible "multipart/mixed" if (contents[1].equalsIgnoreCase(HttpPostBodyUtil.MULTIPART_MIXED)) { if (currentStatus == MultiPartStatus.DISPOSITION) { String[] values = contents[2].split("="); multipartMixedBoundary = "--" + values[1]; currentStatus = MultiPartStatus.MIXEDDELIMITER; return decodeMultipart(MultiPartStatus.MIXEDDELIMITER); } else { throw new ErrorDataDecoderException( "Mixed Multipart found in a previous Mixed Multipart"); } } else { for (int i = 1; i < contents.length; i++) { if (contents[i].toLowerCase().startsWith(HttpHeaders.Values.CHARSET)) { String[] values = contents[i].split("="); Attribute attribute; try { attribute = factory.createAttribute( request, HttpHeaders.Values.CHARSET, cleanString(values[1])); } catch (NullPointerException e) { throw new ErrorDataDecoderException(e); } catch (IllegalArgumentException e) { throw new ErrorDataDecoderException(e); } currentFieldAttributes.put(HttpHeaders.Values.CHARSET, attribute); } else { Attribute attribute; try { attribute = factory.createAttribute( request, contents[0].trim(), decodeAttribute(cleanString(contents[i]), charset)); } catch (NullPointerException e) { throw new ErrorDataDecoderException(e); } catch (IllegalArgumentException e) { throw new ErrorDataDecoderException(e); } currentFieldAttributes.put(attribute.getName(), attribute); } } } } else { throw new ErrorDataDecoderException("Unknown Params: " + newline); } } // Is it a FileUpload Attribute filenameAttribute = currentFieldAttributes.get(HttpPostBodyUtil.FILENAME); if (currentStatus == MultiPartStatus.DISPOSITION) { if (filenameAttribute != null) { // FileUpload currentStatus = MultiPartStatus.FILEUPLOAD; // do not change the buffer position return decodeMultipart(MultiPartStatus.FILEUPLOAD); } else { // Field currentStatus = MultiPartStatus.FIELD; // do not change the buffer position return decodeMultipart(MultiPartStatus.FIELD); } } else { if (filenameAttribute != null) { // FileUpload currentStatus = MultiPartStatus.MIXEDFILEUPLOAD; // do not change the buffer position return decodeMultipart(MultiPartStatus.MIXEDFILEUPLOAD); } else { // Field is not supported in MIXED mode throw new ErrorDataDecoderException("Filename not found"); } } }