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Reject CORS request with 403 if Origin header is malformed

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When assessing if a request is a CORS request, both mvc and reactive
`DefaultCorsProcessor` now catch `IllegalArgumentException` and turn
this into a 403 rejection rather than letting the exception propagate
into a 500 response.

Closes gh-33688
This commit is contained in:
Simon Baslé
2024-10-14 11:33:30 +02:00
parent f991c19b30
commit 8da31e1db7
4 changed files with 47 additions and 4 deletions
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14
spring-web/src/test/java/org/springframework/web/cors/DefaultCorsProcessorTests.java
View File

@@ -184,6 +184,20 @@ class DefaultCorsProcessorTests {
assertThat(this.response.containsHeader(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN)).isTrue();
}
@Test //gh-33682
public void actualRequestMalformedOriginRejected() throws Exception {
this.request.setMethod(HttpMethod.GET.name());
this.request.addHeader(HttpHeaders.ORIGIN, "http://*@:;");
this.conf.addAllowedOrigin("https://domain2.com");
boolean result = this.processor.processRequest(this.conf, this.request, this.response);
assertThat(result).isFalse();
assertThat(this.response.containsHeader(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN)).isFalse();
assertThat(this.response.getHeaders(HttpHeaders.VARY)).contains(HttpHeaders.ORIGIN,
HttpHeaders.ACCESS_CONTROL_REQUEST_METHOD, HttpHeaders.ACCESS_CONTROL_REQUEST_HEADERS);
assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_FORBIDDEN);
}
@Test
void actualRequestExposedHeaders() throws Exception {
this.request.setMethod(HttpMethod.GET.name());

15
spring-web/src/test/java/org/springframework/web/cors/reactive/DefaultCorsProcessorTests.java
View File

@@ -190,6 +190,21 @@ class DefaultCorsProcessorTests {
assertThat(response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_ORIGIN)).isTrue();
}
@Test // gh-33682
public void actualRequestMalformedOriginRejected() {
ServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest
.method(HttpMethod.GET, "http://localhost/test.html")
.header(HttpHeaders.ORIGIN, "http://*@:;"));
this.conf.addAllowedOrigin("https://domain2.com");
boolean result = this.processor.process(this.conf, exchange);
ServerHttpResponse response = exchange.getResponse();
assertThat(result).isFalse();
assertThat(response.getStatusCode()).isEqualTo(HttpStatus.FORBIDDEN);
assertThat(response.getHeaders().containsKey(ACCESS_CONTROL_ALLOW_ORIGIN)).isFalse();
}
@Test
void actualRequestExposedHeaders() {
ServerWebExchange exchange = actualRequest();