io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostStandardRequestDecoder Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of datacap-shaded-pinot Show documentation
Show all versions of datacap-shaded-pinot Show documentation
DataCap - Shaded for Apache Pinot
/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you 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.
*/
package io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart;
import io.edurt.datacap.pinot.org.jboss.netty.buffer.ChannelBuffer;
import io.edurt.datacap.pinot.org.jboss.netty.buffer.ChannelBuffers;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.HttpChunk;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.HttpConstants;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.HttpRequest;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostBodyUtil.SeekAheadNoBackArrayException;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostBodyUtil.SeekAheadOptimize;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostRequestDecoder.ErrorDataDecoderException;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostRequestDecoder.IncompatibleDataDecoderException;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostRequestDecoder.MultiPartStatus;
import io.edurt.datacap.pinot.org.jboss.netty.handler.codec.http.multipart.HttpPostRequestDecoder.NotEnoughDataDecoderException;
import io.edurt.datacap.pinot.org.jboss.netty.util.internal.CaseIgnoringComparator;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
/**
* This decoder will decode Body and can handle standard (non multipart) POST BODY.
*/
@SuppressWarnings({ "deprecation", "RedundantThrowsDeclaration" })
public class HttpPostStandardRequestDecoder implements InterfaceHttpPostRequestDecoder {
/**
* Factory used to create InterfaceHttpData
*/
private final HttpDataFactory factory;
/**
* Request to decode
*/
private final HttpRequest request;
/**
* Default charset to use
*/
private final Charset charset;
/**
* Does the last chunk already received
*/
private boolean isLastChunk;
/**
* HttpDatas from Body
*/
private final List bodyListHttpData = new ArrayList();
/**
* HttpDatas as Map from Body
*/
private final Map> bodyMapHttpData = new TreeMap>(
CaseIgnoringComparator.INSTANCE);
/**
* The current channelBuffer
*/
private ChannelBuffer undecodedChunk;
/**
* Body HttpDatas current position
*/
private int bodyListHttpDataRank;
/**
* Current status
*/
private MultiPartStatus currentStatus = MultiPartStatus.NOTSTARTED;
/**
* The current Attribute that is currently in decode process
*/
private Attribute currentAttribute;
/**
*
* @param request the request to decode
* @throws NullPointerException for request
* @throws IncompatibleDataDecoderException if the request has no body to decode
* @throws ErrorDataDecoderException if the default charset was wrong when decoding or other errors
*/
public HttpPostStandardRequestDecoder(HttpRequest request)
throws ErrorDataDecoderException, IncompatibleDataDecoderException {
this(new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE),
request, HttpConstants.DEFAULT_CHARSET);
}
/**
*
* @param factory the factory used to create InterfaceHttpData
* @param request the request to decode
* @throws NullPointerException for request or factory
* @throws IncompatibleDataDecoderException if the request has no body to decode
* @throws ErrorDataDecoderException if the default charset was wrong when decoding or other errors
*/
public HttpPostStandardRequestDecoder(HttpDataFactory factory, HttpRequest request)
throws ErrorDataDecoderException, IncompatibleDataDecoderException {
this(factory, request, HttpConstants.DEFAULT_CHARSET);
}
/**
*
* @param factory the factory used to create InterfaceHttpData
* @param request the request to decode
* @param charset the charset to use as default
* @throws NullPointerException for request or charset or factory
* @throws IncompatibleDataDecoderException if the request has no body to decode
* @throws ErrorDataDecoderException if the default charset was wrong when decoding or other errors
*/
public HttpPostStandardRequestDecoder(HttpDataFactory factory, HttpRequest request,
Charset charset) throws ErrorDataDecoderException,
IncompatibleDataDecoderException {
if (factory == null) {
throw new NullPointerException("factory");
}
if (request == null) {
throw new NullPointerException("request");
}
if (charset == null) {
throw new NullPointerException("charset");
}
this.request = request;
this.charset = charset;
this.factory = factory;
if (!this.request.isChunked()) {
undecodedChunk = this.request.getContent();
isLastChunk = true;
parseBody();
}
}
public boolean isMultipart() {
return false;
}
public List getBodyHttpDatas()
throws NotEnoughDataDecoderException {
if (!isLastChunk) {
throw new NotEnoughDataDecoderException();
}
return bodyListHttpData;
}
public List getBodyHttpDatas(String name)
throws NotEnoughDataDecoderException {
if (!isLastChunk) {
throw new NotEnoughDataDecoderException();
}
return bodyMapHttpData.get(name);
}
public InterfaceHttpData getBodyHttpData(String name)
throws NotEnoughDataDecoderException {
if (!isLastChunk) {
throw new NotEnoughDataDecoderException();
}
List list = bodyMapHttpData.get(name);
if (list != null) {
return list.get(0);
}
return null;
}
public void offer(HttpChunk chunk) throws ErrorDataDecoderException {
ChannelBuffer chunked = chunk.getContent();
if (undecodedChunk == null) {
undecodedChunk = chunked;
} else {
//undecodedChunk = ChannelBuffers.wrappedBuffer(undecodedChunk, chunk.getContent());
// less memory usage
undecodedChunk = ChannelBuffers.wrappedBuffer(
undecodedChunk, chunked);
}
if (chunk.isLast()) {
isLastChunk = true;
}
parseBody();
}
public boolean hasNext() throws EndOfDataDecoderException {
if (currentStatus == MultiPartStatus.EPILOGUE) {
// OK except if end of list
if (bodyListHttpDataRank >= bodyListHttpData.size()) {
throw new EndOfDataDecoderException();
}
}
return !bodyListHttpData.isEmpty() && bodyListHttpDataRank < bodyListHttpData.size();
}
public InterfaceHttpData next() throws EndOfDataDecoderException {
if (hasNext()) {
return bodyListHttpData.get(bodyListHttpDataRank++);
}
return null;
}
/**
* This method will parse as much as possible data and fill the list and map
* @throws ErrorDataDecoderException if there is a problem with the charset decoding or
* other errors
*/
private void parseBody() throws ErrorDataDecoderException {
if (currentStatus == MultiPartStatus.PREEPILOGUE ||
currentStatus == MultiPartStatus.EPILOGUE) {
if (isLastChunk) {
currentStatus = MultiPartStatus.EPILOGUE;
}
return;
}
parseBodyAttributes();
}
/**
* Utility function to add a new decoded data
*/
private void addHttpData(InterfaceHttpData data) {
if (data == null) {
return;
}
List datas = bodyMapHttpData.get(data.getName());
if (datas == null) {
datas = new ArrayList(1);
bodyMapHttpData.put(data.getName(), datas);
}
datas.add(data);
bodyListHttpData.add(data);
}
/**
* This method fill the map and list with as much Attribute as possible from Body in
* not Multipart mode.
*
* @throws ErrorDataDecoderException if there is a problem with the charset decoding or
* other errors
*/
private void parseBodyAttributesStandard() throws ErrorDataDecoderException {
int firstpos = undecodedChunk.readerIndex();
int currentpos = firstpos;
int equalpos;
int ampersandpos;
if (currentStatus == MultiPartStatus.NOTSTARTED) {
currentStatus = MultiPartStatus.DISPOSITION;
}
boolean contRead = true;
try {
while (undecodedChunk.readable() && contRead) {
char read = (char) undecodedChunk.readUnsignedByte();
currentpos++;
switch (currentStatus) {
case DISPOSITION:// search '='
if (read == '=') {
currentStatus = MultiPartStatus.FIELD;
equalpos = currentpos - 1;
String key = decodeAttribute(
undecodedChunk.toString(firstpos, equalpos - firstpos, charset),
charset);
currentAttribute = factory.createAttribute(request, key);
firstpos = currentpos;
} else if (read == '&') { // special empty FIELD
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
String key = decodeAttribute(
undecodedChunk.toString(firstpos, ampersandpos - firstpos, charset), charset);
currentAttribute = factory.createAttribute(request, key);
currentAttribute.setValue(""); // empty
addHttpData(currentAttribute);
currentAttribute = null;
firstpos = currentpos;
contRead = true;
}
break;
case FIELD:// search '&' or end of line
if (read == '&') {
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = true;
} else if (read == HttpConstants.CR) {
if (undecodedChunk.readable()) {
read = (char) undecodedChunk.readUnsignedByte();
currentpos++;
if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 2;
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = false;
} else {
// Error
throw new ErrorDataDecoderException("Bad end of line");
}
} else {
currentpos--;
}
} else if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 1;
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = false;
}
break;
default:
// just stop
contRead = false;
}
}
if (isLastChunk && currentAttribute != null) {
// special case
ampersandpos = currentpos;
if (ampersandpos > firstpos) {
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
} else if (! currentAttribute.isCompleted()) {
setFinalBuffer(ChannelBuffers.EMPTY_BUFFER);
}
firstpos = currentpos;
currentStatus = MultiPartStatus.EPILOGUE;
undecodedChunk.readerIndex(firstpos);
return;
}
if (contRead && currentAttribute != null) {
// reset index except if to continue in case of FIELD status
if (currentStatus == MultiPartStatus.FIELD) {
currentAttribute.addContent(
undecodedChunk.slice(firstpos, currentpos - firstpos),
false);
firstpos = currentpos;
}
undecodedChunk.readerIndex(firstpos);
} else {
// end of line or end of block so keep index to last valid position
undecodedChunk.readerIndex(firstpos);
}
} catch (ErrorDataDecoderException e) {
// error while decoding
undecodedChunk.readerIndex(firstpos);
throw e;
} catch (IOException e) {
// error while decoding
undecodedChunk.readerIndex(firstpos);
throw new ErrorDataDecoderException(e);
}
}
/**
* This method fill the map and list with as much Attribute as possible from Body in
* not Multipart mode.
*
* @throws ErrorDataDecoderException if there is a problem with the charset decoding or
* other errors
*/
private void parseBodyAttributes() throws ErrorDataDecoderException {
SeekAheadOptimize sao;
try {
sao = new SeekAheadOptimize(undecodedChunk);
} catch (SeekAheadNoBackArrayException e1) {
parseBodyAttributesStandard();
return;
}
int firstpos = undecodedChunk.readerIndex();
int currentpos = firstpos;
int equalpos;
int ampersandpos;
if (currentStatus == MultiPartStatus.NOTSTARTED) {
currentStatus = MultiPartStatus.DISPOSITION;
}
boolean contRead = true;
try {
loop:
while (sao.pos < sao.limit) {
char read = (char) (sao.bytes[sao.pos ++] & 0xFF);
currentpos ++;
switch (currentStatus) {
case DISPOSITION:// search '='
if (read == '=') {
currentStatus = MultiPartStatus.FIELD;
equalpos = currentpos - 1;
String key = decodeAttribute(
undecodedChunk.toString(firstpos, equalpos - firstpos, charset),
charset);
currentAttribute = factory.createAttribute(request, key);
firstpos = currentpos;
} else if (read == '&') { // special empty FIELD
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
String key = decodeAttribute(
undecodedChunk.toString(firstpos, ampersandpos - firstpos, charset), charset);
currentAttribute = factory.createAttribute(request, key);
currentAttribute.setValue(""); // empty
addHttpData(currentAttribute);
currentAttribute = null;
firstpos = currentpos;
contRead = true;
}
break;
case FIELD:// search '&' or end of line
if (read == '&') {
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = true;
} else if (read == HttpConstants.CR) {
if (sao.pos < sao.limit) {
read = (char) (sao.bytes[sao.pos ++] & 0xFF);
currentpos++;
if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 2;
sao.setReadPosition(0);
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = false;
break loop;
} else {
// Error
sao.setReadPosition(0);
throw new ErrorDataDecoderException("Bad end of line");
}
} else {
if (sao.limit > 0) {
currentpos --;
}
}
} else if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 1;
sao.setReadPosition(0);
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
firstpos = currentpos;
contRead = false;
break loop;
}
break;
default:
// just stop
sao.setReadPosition(0);
contRead = false;
break loop;
}
}
if (isLastChunk && currentAttribute != null) {
// special case
ampersandpos = currentpos;
if (ampersandpos > firstpos) {
setFinalBuffer(
undecodedChunk.slice(firstpos, ampersandpos - firstpos));
} else if (! currentAttribute.isCompleted()) {
setFinalBuffer(ChannelBuffers.EMPTY_BUFFER);
}
firstpos = currentpos;
currentStatus = MultiPartStatus.EPILOGUE;
undecodedChunk.readerIndex(firstpos);
return;
}
if (contRead && currentAttribute != null) {
// reset index except if to continue in case of FIELD status
if (currentStatus == MultiPartStatus.FIELD) {
currentAttribute.addContent(
undecodedChunk.slice(firstpos, currentpos - firstpos),
false);
firstpos = currentpos;
}
undecodedChunk.readerIndex(firstpos);
} else {
// end of line or end of block so keep index to last valid position
undecodedChunk.readerIndex(firstpos);
}
} catch (ErrorDataDecoderException e) {
// error while decoding
undecodedChunk.readerIndex(firstpos);
throw e;
} catch (IOException e) {
// error while decoding
undecodedChunk.readerIndex(firstpos);
throw new ErrorDataDecoderException(e);
}
}
private void setFinalBuffer(ChannelBuffer buffer) throws ErrorDataDecoderException, IOException {
currentAttribute.addContent(buffer, true);
String value = decodeAttribute(
currentAttribute.getChannelBuffer().toString(charset),
charset);
currentAttribute.setValue(value);
addHttpData(currentAttribute);
currentAttribute = null;
}
/**
* Decode component
* @return the decoded component
*/
private static String decodeAttribute(String s, Charset charset)
throws ErrorDataDecoderException {
if (s == null) {
return "";
}
try {
return URLDecoder.decode(s, charset.name());
} catch (UnsupportedEncodingException e) {
throw new ErrorDataDecoderException(charset.toString(), e);
} catch (IllegalArgumentException e) {
throw new ErrorDataDecoderException("Bad string: '" + s + '\'', e);
}
}
public void cleanFiles() {
factory.cleanRequestHttpDatas(request);
}
public void removeHttpDataFromClean(InterfaceHttpData data) {
factory.removeHttpDataFromClean(request, data);
}
}