Examples with OpaRequest org.sdase.commons.server.opa.filter.model.OpaRequest used on opensource projects

Example 1 with OpaRequest

use of org.sdase.commons.server.opa.filter.model.OpaRequest in project sda-dropwizard-commons by SDA-SE.

the class OpaAuthFilter method filter.

@Override
public void filter(ContainerRequestContext requestContext) {
    Span span = tracer.buildSpan("authorizeUsingOpa").withTag("opa.allow", false).withTag(COMPONENT, "OpaAuthFilter").start();
    try (Scope ignored = tracer.scopeManager().activate(span)) {
        // collect input parameters for Opa request
        UriInfo uriInfo = requestContext.getUriInfo();
        String method = requestContext.getMethod();
        String trace = requestContext.getHeaderString(RequestTracing.TOKEN_HEADER);
        String jwt = null;
        // if security context already exist and if it is a jwt security context,
        // we include the jwt in the request
        SecurityContext securityContext = requestContext.getSecurityContext();
        Map<String, Claim> claims = null;
        if (null != securityContext) {
            JwtPrincipal jwtPrincipal = getJwtPrincipal(requestContext.getSecurityContext());
            if (jwtPrincipal != null) {
                // JWT principal found, this means that JWT has been validated by
                // auth bundle
                // and can be used within this bundle
                jwt = jwtPrincipal.getJwt();
                claims = jwtPrincipal.getClaims();
            }
        }
        JsonNode constraints = null;
        if (!isDisabled && !isExcluded(uriInfo)) {
            // process the actual request to the open policy agent server
            String[] path = uriInfo.getPathSegments().stream().map(PathSegment::getPath).toArray(String[]::new);
            OpaInput opaInput = new OpaInput(jwt, path, method, trace);
            ObjectNode objectNode = om.convertValue(opaInput, ObjectNode.class);
            // append the input extensions to the input object
            inputExtensions.forEach((namespace, extension) -> objectNode.set(namespace, om.valueToTree(extension.createAdditionalInputContent(requestContext))));
            OpaRequest request = OpaRequest.request(objectNode);
            constraints = authorizeWithOpa(request, span);
        }
        OpaJwtPrincipal principal = OpaJwtPrincipal.create(jwt, claims, constraints, om);
        replaceSecurityContext(requestContext, securityContext, principal);
    } finally {
        span.finish();
    }
}