public class DefaultCorsProcessor extends Object implements CorsProcessor
CorsProcessor
, as defined by the
CORS W3C recommendation.
Note that when input CorsConfiguration
is null
, this
implementation does not reject simple or actual requests outright but simply
avoid adding CORS headers to the response. CORS processing is also skipped
if the response already contains CORS headers, or if the request is detected
as a same-origin one.
Constructor and Description |
---|
DefaultCorsProcessor() |
Modifier and Type | Method and Description |
---|---|
protected List<String> |
checkHeaders(CorsConfiguration config,
List<String> requestHeaders)
Check the headers and determine the headers for the response of a
pre-flight request.
|
protected List<HttpMethod> |
checkMethods(CorsConfiguration config,
HttpMethod requestMethod)
Check the HTTP method and determine the methods for the response of a
pre-flight request.
|
protected String |
checkOrigin(CorsConfiguration config,
String requestOrigin)
Check the origin and determine the origin for the response.
|
protected boolean |
handleInternal(ServerHttpRequest request,
ServerHttpResponse response,
CorsConfiguration config,
boolean preFlightRequest)
Handle the given request.
|
boolean |
processRequest(CorsConfiguration config,
HttpServletRequest request,
HttpServletResponse response)
Process a request given a
CorsConfiguration . |
protected void |
rejectRequest(ServerHttpResponse response)
Invoked when one of the CORS checks failed.
|
public boolean processRequest(@Nullable CorsConfiguration config, HttpServletRequest request, HttpServletResponse response) throws IOException
CorsProcessor
CorsConfiguration
.processRequest
in interface CorsProcessor
config
- the applicable CORS configuration (possibly null
)request
- the current requestresponse
- the current responsefalse
if the request is rejected, true
otherwiseIOException
protected void rejectRequest(ServerHttpResponse response) throws IOException
IOException
protected boolean handleInternal(ServerHttpRequest request, ServerHttpResponse response, CorsConfiguration config, boolean preFlightRequest) throws IOException
IOException
@Nullable protected String checkOrigin(CorsConfiguration config, @Nullable String requestOrigin)
CorsConfiguration.checkOrigin(String)
.@Nullable protected List<HttpMethod> checkMethods(CorsConfiguration config, @Nullable HttpMethod requestMethod)
CorsConfiguration.checkHttpMethod(HttpMethod)
.@Nullable protected List<String> checkHeaders(CorsConfiguration config, List<String> requestHeaders)
CorsConfiguration.checkOrigin(String)
.