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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.filter.security.cors;
import com.yahoo.jdisc.http.HttpResponse;
import com.yahoo.jdisc.http.filter.DiscFilterResponse;
import com.yahoo.jdisc.http.filter.RequestView;
import com.yahoo.jdisc.http.filter.SecurityResponseFilter;
import com.yahoo.jdisc.http.filter.security.cors.CorsFilterConfig.Builder;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import static com.yahoo.jdisc.http.filter.security.cors.CorsLogic.ACCESS_CONTROL_HEADERS;
import static com.yahoo.jdisc.http.filter.security.cors.CorsLogic.ALLOW_ORIGIN_HEADER;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author gjoranv
* @author bjorncs
*/
public class CorsResponseFilterTest {
@Test
void any_request_yields_access_control_headers_in_response() {
Map<String, String> headers = doFilterRequest(newResponseFilter(), "http://any.origin");
ACCESS_CONTROL_HEADERS.keySet().forEach(
header -> assertFalse(headers.get(header).isEmpty(), "Empty header: " + header));
}
@Test
void allowed_request_origin_yields_allow_origin_header_in_response() {
final String ALLOWED_ORIGIN = "http://allowed.origin";
Map<String, String> headers = doFilterRequest(newResponseFilter(ALLOWED_ORIGIN), ALLOWED_ORIGIN);
assertEquals(ALLOWED_ORIGIN, headers.get(ALLOW_ORIGIN_HEADER));
}
@Test
void disallowed_request_origin_does_not_yield_allow_origin_header_in_response() {
Map<String, String> headers = doFilterRequest(newResponseFilter("http://allowed.origin"), "http://disallowed.origin");
assertNull(headers.get(ALLOW_ORIGIN_HEADER));
}
@Test
void any_request_origin_yields_allow_origin_header_in_response_when_wildcard_is_allowed() {
Map<String, String> headers = doFilterRequest(newResponseFilter("*"), "http://any.origin");
assertEquals("http://any.origin", headers.get(ALLOW_ORIGIN_HEADER));
}
@Test
void matches_subdomains() {
Map<String, String> headers = doFilterRequest(newResponseFilter("http://*.domain.origin"), "http://any.domain.origin");
assertEquals("http://any.domain.origin", headers.get(ALLOW_ORIGIN_HEADER));
}
private static Map<String, String> doFilterRequest(SecurityResponseFilter filter, String originUrl) {
TestResponse response = new TestResponse();
filter.filter(response, newRequestView(originUrl));
return Collections.unmodifiableMap(response.headers);
}
private static CorsResponseFilter newResponseFilter(String... allowedOriginUrls) {
Builder builder = new Builder();
Arrays.asList(allowedOriginUrls).forEach(builder::allowedUrls);
return new CorsResponseFilter(new CorsFilterConfig(builder));
}
private static RequestView newRequestView(String originUrl) {
RequestView request = mock(RequestView.class);
when(request.getFirstHeader("Origin")).thenReturn(Optional.of(originUrl));
return request;
}
private static class TestResponse extends DiscFilterResponse {
final Map<String, String> headers = new HashMap<>();
TestResponse() { super(HttpResponse.newInstance(200)); }
@Override
public void setHeader(String name, String value) {
headers.put(name, value);
}
@Override
public String getHeader(String name) {
return headers.get(name);
}
}
}
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