zentol closed pull request #6595: [FLINK-10115][rest] Ignore content-length
limit for file uploads
URL: https://github.com/apache/flink/pull/6595
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/AbstractHandler.java
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/AbstractHandler.java
index 0d8605abc99..3d1ec9d0066 100644
---
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/AbstractHandler.java
+++
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/AbstractHandler.java
@@ -145,6 +145,7 @@ protected void respondAsLeader(ChannelHandlerContext ctx,
RoutedRequest routedRe
hre);
}
+ log.trace("Starting request processing.");
CompletableFuture<Void> requestProcessingFuture =
respondToRequest(
ctx,
httpRequest,
diff --git
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
index d6287507697..7c46af04b55 100644
---
a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
+++
b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
@@ -21,6 +21,7 @@
import org.apache.flink.runtime.rest.handler.FileUploads;
import org.apache.flink.runtime.rest.handler.util.HandlerUtils;
import org.apache.flink.runtime.rest.messages.ErrorResponseBody;
+import org.apache.flink.runtime.rest.util.RestConstants;
import org.apache.flink.util.FileUtils;
import org.apache.flink.shaded.netty4.io.netty.buffer.Unpooled;
@@ -29,6 +30,7 @@
import org.apache.flink.shaded.netty4.io.netty.channel.ChannelPipeline;
import
org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent;
+import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpHeaders;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpMethod;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpObject;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpRequest;
@@ -94,6 +96,7 @@ protected void channelRead0(final ChannelHandlerContext ctx,
final HttpObject ms
LOG.trace("Received request. URL:{} Method:{}",
httpRequest.getUri(), httpRequest.getMethod());
if
(httpRequest.getMethod().equals(HttpMethod.POST)) {
if
(HttpPostRequestDecoder.isMultipart(httpRequest)) {
+ LOG.trace("Initializing
multipart file upload.");
checkState(currentHttpPostRequestDecoder == null);
checkState(currentHttpRequest
== null);
checkState(currentUploadDir ==
null);
@@ -107,6 +110,7 @@ protected void channelRead0(final ChannelHandlerContext
ctx, final HttpObject ms
ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
}
} else if (msg instanceof HttpContent &&
currentHttpPostRequestDecoder != null) {
+ LOG.trace("Received http content.");
// make sure that we still have a upload dir in
case that it got deleted in the meanwhile
RestServerEndpoint.createUploadDir(uploadDir,
LOG);
@@ -121,9 +125,11 @@ protected void channelRead0(final ChannelHandlerContext
ctx, final HttpObject ms
final Path dest =
currentUploadDir.resolve(fileUpload.getFilename());
fileUpload.renameTo(dest.toFile());
+ LOG.trace("Upload of file {}
complete.", fileUpload.getFilename());
} else if (data.getHttpDataType() ==
InterfaceHttpData.HttpDataType.Attribute) {
final Attribute request =
(Attribute) data;
// this could also be
implemented by using the first found Attribute as the payload
+ LOG.trace("Upload of attribute
{} complete.", request.getName());
if
(data.getName().equals(HTTP_ATTRIBUTE_REQUEST)) {
currentJsonPayload =
request.get();
} else {
@@ -134,12 +140,18 @@ protected void channelRead0(final ChannelHandlerContext
ctx, final HttpObject ms
}
if (httpContent instanceof LastHttpContent) {
+ LOG.trace("Finalizing multipart file
upload.");
ctx.channel().attr(UPLOADED_FILES).set(new FileUploads(currentUploadDir));
- ctx.fireChannelRead(currentHttpRequest);
if (currentJsonPayload != null) {
+
currentHttpRequest.headers().set(HttpHeaders.Names.CONTENT_LENGTH,
currentJsonPayload.length);
+
currentHttpRequest.headers().set(HttpHeaders.Names.CONTENT_TYPE,
RestConstants.REST_CONTENT_TYPE);
+
ctx.fireChannelRead(currentHttpRequest);
ctx.fireChannelRead(httpContent.replace(Unpooled.wrappedBuffer(currentJsonPayload)));
} else {
-
ctx.fireChannelRead(ReferenceCountUtil.retain(httpContent));
+
currentHttpRequest.headers().set(HttpHeaders.Names.CONTENT_LENGTH, 0);
+
currentHttpRequest.headers().remove(HttpHeaders.Names.CONTENT_TYPE);
+
ctx.fireChannelRead(currentHttpRequest);
+
ctx.fireChannelRead(LastHttpContent.EMPTY_LAST_CONTENT);
}
reset();
}
diff --git
a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
index 0153d5dd31a..c350393371a 100644
---
a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
+++
b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/MultipartUploadResource.java
@@ -102,6 +102,8 @@ public void before() throws Exception {
Configuration config = new Configuration();
config.setInteger(RestOptions.PORT, 0);
config.setString(RestOptions.ADDRESS, "localhost");
+ // set this to a lower value on purpose to test that files
larger than the content limit are still accepted
+ config.setInteger(RestOptions.SERVER_MAX_CONTENT_LENGTH, 1024 *
1024);
configuredUploadDir = temporaryFolder.newFolder().toPath();
config.setString(WebOptions.UPLOAD_DIR,
configuredUploadDir.toString());
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