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copy all sliced buffers, fixes #1848

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This commit is contained in:
Michael Grove 2013-09-17 06:45:49 -04:00 committed by Norman Maurer
parent 79ff26d221
commit 036f0859bd
2 changed files with 80 additions and 16 deletions
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34
codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestDecoder.java
View File

@ -538,7 +538,7 @@ public class HttpPostRequestDecoder {
if (read == '&') {
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = true;
} else if (read == HttpConstants.CR) {
@ -548,7 +548,7 @@ public class HttpPostRequestDecoder {
if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 2;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = false;
} else {
@ -561,7 +561,7 @@ public class HttpPostRequestDecoder {
} else if (read == HttpConstants.LF) {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 1;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = false;
}
@ -575,7 +575,7 @@ public class HttpPostRequestDecoder {
// special case
ampersandpos = currentpos;
if (ampersandpos > firstpos) {
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
} else if (!currentAttribute.isCompleted()) {
setFinalBuffer(EMPTY_BUFFER);
}
@ -586,7 +586,8 @@ public class HttpPostRequestDecoder {
if (contRead && currentAttribute != null) {
// reset index except if to continue in case of FIELD getStatus
if (currentStatus == MultiPartStatus.FIELD) {
currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).retain(), false);
currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).copy(),
false);
firstpos = currentpos;
}
undecodedChunk.readerIndex(firstpos);
@ -658,7 +659,7 @@ public class HttpPostRequestDecoder {
if (read == '&') {
currentStatus = MultiPartStatus.DISPOSITION;
ampersandpos = currentpos - 1;
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = true;
} else if (read == HttpConstants.CR) {
@ -669,7 +670,7 @@ public class HttpPostRequestDecoder {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 2;
sao.setReadPosition(0);
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = false;
break loop;
@ -687,7 +688,7 @@ public class HttpPostRequestDecoder {
currentStatus = MultiPartStatus.PREEPILOGUE;
ampersandpos = currentpos - 1;
sao.setReadPosition(0);
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
firstpos = currentpos;
contRead = false;
break loop;
@ -704,7 +705,7 @@ public class HttpPostRequestDecoder {
// special case
ampersandpos = currentpos;
if (ampersandpos > firstpos) {
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).retain());
setFinalBuffer(undecodedChunk.slice(firstpos, ampersandpos - firstpos).copy());
} else if (!currentAttribute.isCompleted()) {
setFinalBuffer(EMPTY_BUFFER);
}
@ -715,7 +716,8 @@ public class HttpPostRequestDecoder {
if (contRead && currentAttribute != null) {
// reset index except if to continue in case of FIELD getStatus
if (currentStatus == MultiPartStatus.FIELD) {
currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).retain(), false);
currentAttribute.addContent(undecodedChunk.slice(firstpos, currentpos - firstpos).copy(),
false);
firstpos = currentpos;
}
undecodedChunk.readerIndex(firstpos);
@ -1646,7 +1648,7 @@ public class HttpPostRequestDecoder {
}
}
}
ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain();
ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy();
if (found) {
// found so lastPosition is correct and final
try {
@ -1764,7 +1766,7 @@ public class HttpPostRequestDecoder {
}
}
lastPosition = sao.getReadPosition(lastrealpos);
ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain();
ByteBuf buffer = undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy();
if (found) {
// found so lastPosition is correct and final
try {
@ -1863,7 +1865,7 @@ public class HttpPostRequestDecoder {
// so go back of delimiter size
try {
currentAttribute.addContent(
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), true);
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy(), true);
} catch (IOException e) {
throw new ErrorDataDecoderException(e);
}
@ -1871,7 +1873,7 @@ public class HttpPostRequestDecoder {
} else {
try {
currentAttribute.addContent(
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), false);
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy(), false);
} catch (IOException e) {
throw new ErrorDataDecoderException(e);
}
@ -1968,7 +1970,7 @@ public class HttpPostRequestDecoder {
// so go back of delimiter size
try {
currentAttribute.addContent(
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), true);
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy(), true);
} catch (IOException e) {
throw new ErrorDataDecoderException(e);
}
@ -1976,7 +1978,7 @@ public class HttpPostRequestDecoder {
} else {
try {
currentAttribute.addContent(
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).retain(), false);
undecodedChunk.slice(readerIndex, lastPosition - readerIndex).copy(), false);
} catch (IOException e) {
throw new ErrorDataDecoderException(e);
}

62
codec-http/src/test/java/io/netty/handler/codec/http/multipart/HttpPostRequestDecoderTest.java
View File

@ -23,6 +23,10 @@ import io.netty.handler.codec.http.DefaultHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.UnpooledByteBufAllocator;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.util.CharsetUtil;
import org.junit.Test;
@ -119,4 +123,62 @@ public class HttpPostRequestDecoderTest {
final HttpPostRequestDecoder decoder = new HttpPostRequestDecoder(inMemoryFactory, req);
assertFalse(decoder.getBodyHttpDatas().isEmpty());
}
// See https://github.com/netty/netty/issues/1848
@Test
public void testNoZeroOut() throws Exception {
final String boundary = "E832jQp_Rq2ErFmAduHSR8YlMSm0FCY";
final DefaultHttpDataFactory aMemFactory = new DefaultHttpDataFactory(false);
DefaultHttpRequest aRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
HttpMethod.POST,
"http://localhost");
aRequest.headers().set(HttpHeaders.Names.CONTENT_TYPE,
"multipart/form-data; boundary=" + boundary);
aRequest.headers().set(HttpHeaders.Names.TRANSFER_ENCODING,
HttpHeaders.Values.CHUNKED);
HttpPostRequestDecoder aDecoder = new HttpPostRequestDecoder(aMemFactory, aRequest);
final String aData = "some data would be here. the data should be long enough that it " +
"will be longer than the original buffer length of 256 bytes in " +
"the HttpPostRequestDecoder in order to trigger the issue. Some more " +
"data just to be on the safe side.";
final String body =
"--" + boundary + "\r\n" +
"Content-Disposition: form-data; name=\"root\"\r\n" +
"Content-Type: text/plain\r\n" +
"\r\n" +
aData +
"\r\n" +
"--" + boundary + "--\r\n";
byte[] aBytes = body.getBytes();
int split = 125;
ByteBufAllocator aAlloc = new UnpooledByteBufAllocator(true);
ByteBuf aSmallBuf = aAlloc.heapBuffer(split, split);
ByteBuf aLargeBuf = aAlloc.heapBuffer(aBytes.length - split, aBytes.length - split);
aSmallBuf.writeBytes(aBytes, 0, split);
aLargeBuf.writeBytes(aBytes, split, aBytes.length - split);
aDecoder.offer(new DefaultHttpContent(aSmallBuf));
aDecoder.offer(new DefaultHttpContent(aLargeBuf));
aDecoder.offer(LastHttpContent.EMPTY_LAST_CONTENT);
assertTrue("Should have a piece of data", aDecoder.hasNext());
InterfaceHttpData aDecodedData = aDecoder.next();
assertEquals(InterfaceHttpData.HttpDataType.Attribute, aDecodedData.getHttpDataType());
Attribute aAttr = (Attribute) aDecodedData;
assertEquals(aData, aAttr.getValue());
}
}