smolnar82 commented on code in PR #1437:
URL: https://github.com/apache/knox/pull/1437#discussion_r4152931330
##########
gateway-server/src/main/java/org/apache/knox/gateway/services/token/impl/DefaultTokenAuthorityService.java:
##########
@@ -312,11 +320,60 @@ public boolean verifyToken(JWT token, String jwksUrl,
String algorithm, JOSEObje
verified = true;
}
} catch (BadJOSEException | JOSEException | ParseException |
MalformedURLException e) {
+ if (isIpLiteralTlsFailure(jwksUrl, e)) {
+ /* BC-FIPS refuses HTTPS endpoint identification against a bare IP */
+ if (FipsUtils.isFipsEnabledWithBCProvider()) {
+ LOG.jwksIpLiteralHostUnderFips(jwksUrl);
+ } else {
+ LOG.jwksIpLiteralHost(jwksUrl);
+ }
+ }
throw new TokenServiceException("Cannot verify token.", e);
}
return verified;
}
+ /**
+ * Whether a JWKS failure is a TLS/trust failure against an IP literal host,
the one case where
+ * {@code certificate_unknown(46)} says nothing at all about the contents of
the truststore.
+ *
+ * @param jwksUrl the JWKS endpoint that was being fetched, possibly {@code
null}
+ * @param failure the failure to inspect
+ * @return {@code true} when the host is an IP literal and the chain carries
a TLS/trust failure
+ */
+ static boolean isIpLiteralTlsFailure(final String jwksUrl, final Throwable
failure) {
+ if (jwksUrl == null) {
+ return false;
+ }
+ final String host;
+ try {
+ host = URI.create(jwksUrl).getHost();
+ } catch (IllegalArgumentException e) {
+ /* not a URI we can reason about; we have nothing useful to add */
+ return false;
+ }
+ if (host == null) {
+ return false;
+ }
+ /* getHost() hands an IPv6 literal with brackets. Sanitize it */
+ final String bare = host.length() > 1 && host.charAt(0) == '['
+ ? host.substring(1, host.length() - 1) : host;
+
+ return InetAddresses.isInetAddress(bare) && isTlsTrustFailure(failure);
Review Comment:
I contributed this change here, I hope you don't mind.
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