Optional getOptionalContextInfo()

in fractions/microprofile/microprofile-jwt/src/main/java/org/wildfly/swarm/microprofile/jwtauth/deployment/auth/config/JWTAuthContextInfoProvider.java [69:136]
52 lines of code
25 McCabe index (conditional complexity)

    Optional<JWTAuthContextInfo> getOptionalContextInfo() {
        // Log the config values
        log.debugf("init, publicKeyPemEnc=%s, issuedBy=%s, expGracePeriodSecs=%d, jwksRefreshInterval=%d",
                   publicKeyPemEnc.orElse("missing"), issuedBy, expGracePeriodSecs.get(), jwksRefreshInterval.get());

        /*
        FIXME Due to a bug in MP-Config (https://github.com/wildfly-extras/wildfly-microprofile-config/issues/43) we need to set all
        values to "NONE" as Optional Strings are populated with a ConfigProperty.defaultValue if they are absent. Fix this when MP-Config
        is repaired.
         */
        if (NONE.equals(publicKeyPemEnc.get()) && NONE.equals(jwksUri.get()) &&
                NONE.equals(super.getMpJwtPublicKey().get()) && NONE.equals(super.getMpJwtLocation().get())) {
            return Optional.empty();
        }
        log.warn("The use of all mpjwt.* properties is deprecated, use thorntail.microprofile.jwt.* properties instead");

        JWTAuthContextInfo contextInfo = new JWTAuthContextInfo();
        // Look to MP-JWT values first
        if (super.getMpJwtPublicKey().isPresent() && !NONE.equals(super.getMpJwtPublicKey().get())) {
            super.decodeMpJwtPublicKey(contextInfo);
        } else if (publicKeyPemEnc.isPresent() && !NONE.equals(publicKeyPemEnc.get())) {
            try {
                RSAPublicKey pk = (RSAPublicKey) KeyUtils.decodePublicKey(publicKeyPemEnc.get());
                contextInfo.setSignerKey(pk);
            } catch (Exception e) {
                throw new DeploymentException(e);
            }
        }

        String mpJwtIssuer = super.getMpJwtIssuer();
        if (mpJwtIssuer != null && !mpJwtIssuer.equals(NONE)) {
            contextInfo.setIssuedBy(mpJwtIssuer);
        } else if (issuedBy != null && !issuedBy.equals(NONE)) {
            contextInfo.setIssuedBy(issuedBy);
        }

        Optional<Boolean> mpJwtRequireIss = super.getMpJwtRequireIss();
        if (mpJwtRequireIss != null && mpJwtRequireIss.isPresent()) {
            contextInfo.setRequireIssuer(mpJwtRequireIss.get());
        } else {
            // Default is to require iss claim
            contextInfo.setRequireIssuer(true);
        }

        if (expGracePeriodSecs.isPresent()) {
            contextInfo.setExpGracePeriodSecs(expGracePeriodSecs.get());
        }
        // The MP-JWT location can be a PEM, JWK or JWKS
        Optional<String> mpJwtLocation = super.getMpJwtLocation();
        if (mpJwtLocation.isPresent() && !NONE.equals(mpJwtLocation.get())) {
            contextInfo.setPublicKeyLocation(super.getMpJwtLocation().get());
        } else if (jwksUri.isPresent() && !NONE.equals(jwksUri.get())) {
            contextInfo.setPublicKeyLocation(jwksUri.get());
        }
        if (jwksRefreshInterval.isPresent()) {
            contextInfo.setJwksRefreshInterval(jwksRefreshInterval.get());
        }

        if (super.getTokenHeader() != null) {
            contextInfo.setTokenHeader(super.getTokenHeader());
        }
        SmallryeJwtUtils.setContextTokenCookie(contextInfo, super.getTokenCookie());
        if (super.getDefaultGroupsClaim() != null && super.getDefaultGroupsClaim().isPresent()) {
            contextInfo.setDefaultGroupsClaim(super.getDefaultGroupsClaim().get());
        }

        return Optional.of(contextInfo);
    }