fix GZipResponseFilter b using the HttpServletRequest to check if the client supports gzip

This commit is contained in:
Sebastian Sdorra
2019-02-05 16:47:22 +01:00
parent 7369f1cfce
commit 18b64ebde2
2 changed files with 25 additions and 10 deletions

View File

@@ -3,9 +3,11 @@ package sonia.scm.filter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.inject.Provider;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import java.io.IOException;
@@ -13,14 +15,21 @@ import java.io.OutputStream;
import java.util.Locale;
import java.util.zip.GZIPOutputStream;
@Provider
@javax.ws.rs.ext.Provider
public class GZipResponseFilter implements WriterInterceptor {
private static final Logger LOG = LoggerFactory.getLogger(GZipResponseFilter.class);
private final Provider<HttpServletRequest> requestProvider;
@Inject
public GZipResponseFilter(Provider<HttpServletRequest> requestProvider) {
this.requestProvider = requestProvider;
}
@Override
public void aroundWriteTo(WriterInterceptorContext context) throws IOException, WebApplicationException {
if (isGZipSupported(context)) {
if (isGZipSupported()) {
LOG.trace("compress output with gzip");
encodeWithGZip(context);
} else {
@@ -43,8 +52,8 @@ public class GZipResponseFilter implements WriterInterceptor {
}
}
private boolean isGZipSupported(WriterInterceptorContext context) {
Object encoding = context.getHeaders().getFirst(HttpHeaders.ACCEPT_ENCODING);
private boolean isGZipSupported() {
Object encoding = requestProvider.get().getHeader(HttpHeaders.ACCEPT_ENCODING);
return encoding != null && encoding.toString().toLowerCase(Locale.ENGLISH).contains("gzip");
}
}

View File

@@ -1,5 +1,6 @@
package sonia.scm.filter;
import com.google.inject.util.Providers;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
@@ -7,6 +8,7 @@ import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.WriterInterceptorContext;
@@ -20,22 +22,25 @@ import static org.mockito.Mockito.*;
@ExtendWith(MockitoExtension.class)
class GZipResponseFilterTest {
@Mock
private HttpServletRequest request;
@Mock
private WriterInterceptorContext context;
@Mock
private MultivaluedMap<String,Object> headers;
private final GZipResponseFilter filter = new GZipResponseFilter();
private GZipResponseFilter filter;
@BeforeEach
void setUpContext() {
when(context.getHeaders()).thenReturn(headers);
void setupObjectUnderTest() {
filter = new GZipResponseFilter(Providers.of(request));
}
@Test
void shouldSkipGZipCompression() throws IOException {
when(headers.getFirst(HttpHeaders.ACCEPT_ENCODING)).thenReturn("deflate, br");
when(request.getHeader(HttpHeaders.ACCEPT_ENCODING)).thenReturn("deflate, br");
filter.aroundWriteTo(context);
@@ -60,7 +65,8 @@ class GZipResponseFilterTest {
@BeforeEach
void setUpContext() {
when(headers.getFirst(HttpHeaders.ACCEPT_ENCODING)).thenReturn("gzip, deflate, br");
when(request.getHeader(HttpHeaders.ACCEPT_ENCODING)).thenReturn("gzip, deflate, br");
when(context.getHeaders()).thenReturn(headers);
when(context.getOutputStream()).thenReturn(new ByteArrayOutputStream());
}