[#1293] Fix IllegalBufferAccessException in HttpPostRequestDecoder
* Also let HttpPostRequestDecoder extends Iterator and let its Exceptiosn extend DecoderException
This commit is contained in:
Norman Maurer
parent
a170f05b4b
commit
97bdabad9c
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@ -15,7 +15,9 @@
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*/
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package io.netty.handler.codec.http.multipart;
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import io.netty.buffer.BufUtil;
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import io.netty.buffer.ByteBuf;
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import io.netty.handler.codec.DecoderException;
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import io.netty.handler.codec.http.HttpConstants;
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import io.netty.handler.codec.http.HttpContent;
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import io.netty.handler.codec.http.HttpHeaders;
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@ -32,6 +34,7 @@ import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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@ -41,7 +44,7 @@ import static io.netty.buffer.Unpooled.*;
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/**
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* This decoder will decode Body and can handle POST BODY.
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*/
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public class HttpPostRequestDecoder {
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public class HttpPostRequestDecoder implements Iterator<InterfaceHttpData> {
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/**
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* Factory used to create InterfaceHttpData
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*/
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@ -347,8 +350,11 @@ public class HttpPostRequestDecoder {
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* if there is a problem with the charset decoding or other
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* errors
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*/
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public void offer(HttpContent content) throws ErrorDataDecoderException {
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ByteBuf chunked = content.content();
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public HttpPostRequestDecoder offer(HttpContent content) throws ErrorDataDecoderException {
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// Maybe we should better not copy here for performance reasons but this will need
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// more care by teh caller to release the content in a correct manner later
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// So maybe something to optimize on a later stage
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ByteBuf chunked = content.content().copy();
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if (undecodedChunk == null) {
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undecodedChunk = chunked;
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} else {
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@ -361,6 +367,7 @@ public class HttpPostRequestDecoder {
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isLastChunk = true;
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}
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parseBody();
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return this;
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}
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/**
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@ -483,7 +490,7 @@ public class HttpPostRequestDecoder {
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if (read == '&') {
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currentStatus = MultiPartStatus.DISPOSITION;
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ampersandpos = currentpos - 1;
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = true;
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} else if (read == HttpConstants.CR) {
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@ -493,7 +500,7 @@ public class HttpPostRequestDecoder {
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if (read == HttpConstants.LF) {
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currentStatus = MultiPartStatus.PREEPILOGUE;
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ampersandpos = currentpos - 2;
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = false;
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} else {
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@ -506,7 +513,7 @@ public class HttpPostRequestDecoder {
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} else if (read == HttpConstants.LF) {
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currentStatus = MultiPartStatus.PREEPILOGUE;
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ampersandpos = currentpos - 1;
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = false;
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}
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@ -520,7 +527,7 @@ public class HttpPostRequestDecoder {
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// special case
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ampersandpos = currentpos;
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if (ampersandpos > firstpos) {
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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} else if (!currentAttribute.isCompleted()) {
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setFinalBuffer(EMPTY_BUFFER);
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}
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@ -531,7 +538,7 @@ public class HttpPostRequestDecoder {
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if (contRead && currentAttribute != null) {
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// reset index except if to continue in case of FIELD getStatus
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if (currentStatus == MultiPartStatus.FIELD) {
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currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos), false);
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currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).retain(), false);
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firstpos = currentpos;
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}
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undecodedChunk.readerIndex(firstpos);
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@ -603,7 +610,7 @@ public class HttpPostRequestDecoder {
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if (read == '&') {
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currentStatus = MultiPartStatus.DISPOSITION;
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ampersandpos = currentpos - 1;
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = true;
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} else if (read == HttpConstants.CR) {
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@ -614,7 +621,7 @@ public class HttpPostRequestDecoder {
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currentStatus = MultiPartStatus.PREEPILOGUE;
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ampersandpos = currentpos - 2;
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sao.setReadPosition(0);
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = false;
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break loop;
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@ -632,7 +639,7 @@ public class HttpPostRequestDecoder {
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currentStatus = MultiPartStatus.PREEPILOGUE;
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ampersandpos = currentpos - 1;
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sao.setReadPosition(0);
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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firstpos = currentpos;
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contRead = false;
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break loop;
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@ -649,7 +656,7 @@ public class HttpPostRequestDecoder {
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// special case
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ampersandpos = currentpos;
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if (ampersandpos > firstpos) {
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos));
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setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
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} else if (!currentAttribute.isCompleted()) {
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setFinalBuffer(EMPTY_BUFFER);
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}
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@ -660,7 +667,7 @@ public class HttpPostRequestDecoder {
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if (contRead && currentAttribute != null) {
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// reset index except if to continue in case of FIELD getStatus
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if (currentStatus == MultiPartStatus.FIELD) {
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currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos), false);
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currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).retain(), false);
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firstpos = currentpos;
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}
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undecodedChunk.readerIndex(firstpos);
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@ -1560,7 +1567,7 @@ public class HttpPostRequestDecoder {
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}
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}
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}
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ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex);
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ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain();
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if (found) {
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// found so lastPosition is correct and final
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try {
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@ -1678,7 +1685,7 @@ public class HttpPostRequestDecoder {
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}
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}
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lastPosition = sao.getReadPosition(lastrealpos);
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ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex);
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ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain();
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if (found) {
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// found so lastPosition is correct and final
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try {
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@ -1776,14 +1783,16 @@ public class HttpPostRequestDecoder {
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// delimiter or simple one)
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// so go back of delimiter size
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try {
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currentAttribute.addContent(undecodedChunk.slice(readerIndex, lastPosition - readerIndex), true);
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currentAttribute.addContent(
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undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), true);
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} catch (IOException e) {
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throw new ErrorDataDecoderException(e);
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}
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undecodedChunk.readerIndex(lastPosition);
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} else {
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try {
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currentAttribute.addContent(undecodedChunk.slice(readerIndex, lastPosition - readerIndex), false);
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currentAttribute.addContent(
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undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), false);
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} catch (IOException e) {
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throw new ErrorDataDecoderException(e);
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}
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@ -1879,14 +1888,16 @@ public class HttpPostRequestDecoder {
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// delimiter or simple one)
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// so go back of delimiter size
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try {
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currentAttribute.addContent(undecodedChunk.slice(readerIndex, lastPosition - readerIndex), true);
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currentAttribute.addContent(
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undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), true);
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} catch (IOException e) {
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throw new ErrorDataDecoderException(e);
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}
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undecodedChunk.readerIndex(lastPosition);
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} else {
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try {
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currentAttribute.addContent(undecodedChunk.slice(readerIndex, lastPosition - readerIndex), false);
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currentAttribute.addContent(
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undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), false);
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} catch (IOException e) {
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throw new ErrorDataDecoderException(e);
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}
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@ -2026,11 +2037,16 @@ public class HttpPostRequestDecoder {
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return array;
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}
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@Override
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public void remove() {
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throw new UnsupportedOperationException();
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}
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/**
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* Exception when try reading data from request in chunked format, and not
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* enough data are available (need more chunks)
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*/
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public static class NotEnoughDataDecoderException extends Exception {
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public static class NotEnoughDataDecoderException extends DecoderException {
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private static final long serialVersionUID = -7846841864603865638L;
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public NotEnoughDataDecoderException() {
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@ -2052,14 +2068,14 @@ public class HttpPostRequestDecoder {
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/**
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* Exception when the body is fully decoded, even if there is still data
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*/
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public static class EndOfDataDecoderException extends Exception {
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public static class EndOfDataDecoderException extends DecoderException {
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private static final long serialVersionUID = 1336267941020800769L;
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}
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/**
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* Exception when an error occurs while decoding
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*/
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public static class ErrorDataDecoderException extends Exception {
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public static class ErrorDataDecoderException extends DecoderException {
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private static final long serialVersionUID = 5020247425493164465L;
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public ErrorDataDecoderException() {
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@ -2081,7 +2097,7 @@ public class HttpPostRequestDecoder {
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/**
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* Exception when an unappropriated getMethod was called on a request
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*/
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public static class IncompatibleDataDecoderException extends Exception {
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public static class IncompatibleDataDecoderException extends DecoderException {
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private static final long serialVersionUID = -953268047926250267L;
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public IncompatibleDataDecoderException() {
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@ -15,6 +15,7 @@
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*/
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package io.netty.example.http.upload;
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import io.netty.buffer.BufUtil;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelFuture;
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@ -297,6 +298,7 @@ public class HttpUploadServerHandler extends ChannelInboundMessageHandlerAdapter
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}
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}
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}
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//BufUtil.release(data);
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}
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private void writeResponse(Channel channel) {
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