spring - How do I enable CORS headers in the Swagger /v2/api-docs offered by Springfox Swagger? -


i have following file in project:

@configuration @order(ordered.lowest_precedence) public class swaggerconfig {      @bean     public docket apiswagger2documentation() { .... } }

and in application.java there is:

@springbootapplication @componentscan(basepackages = { ... }) @enableswagger2 public class application {     ... }

the swagger json available under /v2/api-docs, works fine.

what do, enable cors headers endpoint.

for own controllers, have added @crossorigin controller classes, apis have cors headers, works fine. swagger json url haven't written controller myself, cannot use annotation.

i have added following method swaggerconfig, described in "global cors configuration" in cors support in spring framework.

    @bean     public webmvcconfigurer corsconfigurer() {         system.out.println("*** corsconfigurer called");         return new webmvcconfigureradapter() {             @override public void addcorsmappings(corsregistry registry) {                 system.out.println("*** addcorsmappings called");                 registry.addmapping("/v2/api-docs");             }         };     }

both print statements printed, method being called. when call url curl:

curl -h "origin: foo.com"  \    -h "access-control-request-method: get"   \    -x options \     --verbose  \    http://localhost:9274/v2/api-docs

the cors headers not in response. (in contrast own controller methods, annotated @crossorigin, response have cors headers.)

i using springfox-swagger2 version 2.7.0, , spring-boot-starter-web 1.5.2.

what can enable cors headers on swagger json api endpoint?

i think need generic web filter opposed web mvc configuration.

@bean public corsfilter corsfilter() {     urlbasedcorsconfigurationsource source = new urlbasedcorsconfigurationsource();      // allow , access. ok swagger spec     corsconfiguration config = new corsconfiguration();     config.setallowcredentials(true);     config.addallowedorigin("*");     config.addallowedheader("*");     config.addallowedmethod("*");      source.registercorsconfiguration("/v2/api-docs", config);     return new corsfilter(source); }

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