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4757 externalized binary npe (#4759) 

* Basic test for reading from provider

* Basic test for reading from provider

* Failing test

* Add changelog

* Update hapi-fhir-jpaserver-test-r4/src/test/java/ca/uhn/fhir/jpa/provider/r4/BinaryStorageInterceptorR4Test.java

Co-authored-by: Ken Stevens <khstevens@gmail.com>

---------

Co-authored-by: Ken Stevens <khstevens@gmail.com>
This commit is contained in:
Tadgh 2023-04-25 11:34:27 -07:00 committed by GitHub
parent 20c7a32203
commit d6d2ff531f
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6 changed files with 74 additions and 8 deletions
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4
hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/6_6_0/4757-fix-npe-in-binary-read.yaml Normal file
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@ -0,0 +1,4 @@
---
type: fix
issue: 4757
title: "Previously, if a binary resource was read via GET, and the binary content had been externalized and not reinflated, a NullPointerException would be thrown. This has been fixed."

6
hapi-fhir-jaxrsserver-base/src/test/java/ca/uhn/fhir/jaxrs/server/util/JaxRsResponseDstu3Test.java
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@ -86,10 +86,10 @@ public class JaxRsResponseDstu3Test {
boolean theAddContentLocationHeader = false;
Response result = (Response) RestfulServerUtils.streamResponseAsResource(request.getServer(), binary, theSummaryMode, 200, theAddContentLocationHeader, respondGzip, this.request);
assertEquals(200, result.getStatus());
assertEquals(null, result.getHeaderString(Constants.HEADER_CONTENT_TYPE));
assertEquals(null, result.getEntity());
assertEquals("{\n" +
" \"resourceType\": \"Binary\"\n" +
"}", result.getEntity().toString());
}
@Test
public void testReturnResponse() throws IOException {

5
hapi-fhir-jaxrsserver-base/src/test/java/ca/uhn/fhir/jaxrs/server/util/JaxRsResponseTest.java
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@ -71,8 +71,9 @@ public class JaxRsResponseTest {
boolean theAddContentLocationHeader = false;
Response result = (Response) RestfulServerUtils.streamResponseAsResource(request.getServer(), binary, theSummaryMode, 200, theAddContentLocationHeader, respondGzip, this.request);
assertEquals(200, result.getStatus());
assertEquals(null, result.getHeaderString(Constants.HEADER_CONTENT_TYPE));
assertEquals(null, result.getEntity());
assertEquals("{\n" +
" \"resourceType\": \"Binary\"\n" +
"}", result.getEntity().toString());
}
@Test

56
hapi-fhir-jpaserver-test-r4/src/test/java/ca/uhn/fhir/jpa/provider/r4/BinaryStorageInterceptorR4Test.java
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@ -6,7 +6,11 @@ import ca.uhn.fhir.jpa.api.model.DaoMethodOutcome;
import ca.uhn.fhir.jpa.binary.api.IBinaryStorageSvc;
import ca.uhn.fhir.jpa.binary.interceptor.BinaryStorageInterceptor;
import ca.uhn.fhir.jpa.binstore.MemoryBinaryStorageSvcImpl;
import ca.uhn.fhir.jpa.model.entity.StorageSettings;
import ca.uhn.fhir.jpa.provider.BaseResourceProviderR4Test;
import ca.uhn.fhir.rest.client.api.IClientInterceptor;
import ca.uhn.fhir.rest.client.api.IHttpRequest;
import ca.uhn.fhir.rest.client.api.IHttpResponse;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
import ca.uhn.fhir.util.HapiExtensions;
import org.hl7.fhir.instance.model.api.IIdType;
@ -21,6 +25,8 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import java.io.IOException;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
@ -36,10 +42,15 @@ import static org.junit.jupiter.api.Assertions.fail;
public class BinaryStorageInterceptorR4Test extends BaseResourceProviderR4Test {
public static final byte[] FEW_BYTES = {4, 3, 2, 1};
public static final byte[] SOME_BYTES = {1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1};
public static final byte[] SOME_BYTES = {1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1, 8, 9, 0, 10, 9};
public static final byte[] SOME_BYTES_2 = {6, 7, 8, 7, 6, 5, 4, 3, 2, 1, 5, 5, 5, 6};
private static final Logger ourLog = LoggerFactory.getLogger(BinaryStorageInterceptorR4Test.class);
@Autowired
private JpaStorageSettings myStorageSettings;
@Autowired
private StorageSettings myOldStorageSettings;;
@Autowired
private MemoryBinaryStorageSvcImpl myStorageSvc;
@Autowired
@ -164,6 +175,49 @@ public class BinaryStorageInterceptorR4Test extends BaseResourceProviderR4Test {
}
class ContentTypeStrippingInterceptor implements IClientInterceptor {
@Override
public void interceptRequest(IHttpRequest theRequest) {
theRequest.removeHeaders("Content-Type");
theRequest.removeHeaders("Accept");
}
@Override
public void interceptResponse(IHttpResponse theResponse) throws IOException {
}
}
@Test
public void testCreateAndRetrieveExternalizedBinaryViaGetWithNoHeaders() {
myBinaryStorageInterceptor.setAllowAutoInflateBinaries(false);
// Create a resource with a big enough binary
Binary binary = new Binary();
binary.setId("FOO");
binary.setContentType("application/octet-stream");
binary.setData(SOME_BYTES);
DaoMethodOutcome outcome = myBinaryDao.update(binary, mySrd);
// Make sure it was externalized
IIdType id = outcome.getId().toUnqualifiedVersionless();
String encoded = myFhirContext.newJsonParser().setPrettyPrint(true).encodeResourceToString(outcome.getResource());
ourLog.info("Encoded: {}", encoded);
assertThat(encoded, containsString(HapiExtensions.EXT_EXTERNALIZED_BINARY_ID));
assertThat(encoded, not(containsString("\"data\"")));
// Now read it back and make sure it is not successfully de-externalized
ContentTypeStrippingInterceptor interceptor = new ContentTypeStrippingInterceptor();
myClient.registerInterceptor(interceptor);
Binary execute = myClient.read().resource(Binary.class).withId(id).execute();
myClient.unregisterInterceptor(interceptor);
assertNull(execute.getContent());
assertNull(execute.getDataElement().getValue());
assertNotNull(execute.getDataElement().getExtensionByUrl(HapiExtensions.EXT_EXTERNALIZED_BINARY_ID).getValue());
}
@Test
public void testCreateAndRetrieveBinary_ClientAssignedId_ExternalizedBinary() {

5
hapi-fhir-server/src/main/java/ca/uhn/fhir/rest/server/RestfulServerUtils.java
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@ -1062,8 +1062,10 @@ public class RestfulServerUtils {
/**
* Determines whether we should stream out Binary resource content based on the content-type. Logic is:
* - If the binary was externalized and has not been reinflated upstream, return false.
* - If they request octet-stream, return true;
* - If the content-type happens to be a match, return true.
*
* - Construct an EncodingEnum out of the contentType. If this matches the responseEncoding, return true.
* - Otherwise, return false.
*
@ -1073,6 +1075,9 @@ public class RestfulServerUtils {
*/
private static boolean shouldStreamContents(ResponseEncoding theResponseEncoding, IBaseBinary theBinary) {
String contentType = theBinary.getContentType();
if (theBinary.getContent() == null) {
return false;
}
if (theResponseEncoding == null) {
return true;
}

6
hapi-fhir-server/src/test/java/ca/uhn/fhir/rest/server/RestfulServerUtilsTest.java
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@ -15,8 +15,9 @@ import static ca.uhn.fhir.rest.api.RequestTypeEnum.GET;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.jupiter.api.Assertions.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class RestfulServerUtilsTest{
@ -65,6 +66,7 @@ public class RestfulServerUtilsTest{
assertEquals(PreferHandlingEnum.LENIENT, header.getHanding());
}
@Test
public void testCreateSelfLinks() {
//Given