GenerateUPSTClass

GenerateUpst.java

public class GenerateUpst {

    private static final String CONFIG_FILE_PATH = "/function/app/config";


   //THIS IS THE EPHEMERAL PUBLIC KEY FOR REQUEST SIGNING 
   //    private static final String PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArh1dTq2GdgxQEMziN8GouiVO/ytWQ9B/lQIsASYydd1PV33/tlO1FNX3ohLg3oYcja8+bDqjAAC7PRCBgEUc7+RYzM5wO6rbIS/hllczhkkLJ/9zn/ril+/+ayl4piWtmRXENq4+GBTteusqHHYI1G3a67m5w8AqX/oa9Jwj99SUPyibLwxMZS0zS5pbtWHHBhexvJfzl/unb0Y+5ZY+mEDbEs7FxyFJGm9VDIK0eMaAf22moXx1hRa0L3yYxXEr7ek2XBOfAafWS+7AHUxGMeZsX+vS5YkTsApfgKKDHwpsAgIraqL7djWTzcs8NsRJ6fZUKQjDsj4SC70OjW96fwIDAQAB";

    private static final String DEMO_API_KEY_PROFILE = "UPSTJPN";
    private static final String ENCRYPTION_ALGORTIHM = "RSA";
    private static final int ENCRYPTION_KEY_SIZE = 2048;
    private static final int SIXTY_TOKEN_EXPIRY = 60;

     public String invokeGenerateUpstWithApiKey(String userOcid, String pubKey) throws NoSuchAlgorithmException, IOException {

            String PUBLIC_KEY = pubKey;
            System.out.println("PUBKEY: " + PUBLIC_KEY);

        // Gets desired profile from configuration file
        final ConfigFileReader.ConfigFile configFile =
                ConfigFileReader.parse(CONFIG_FILE_PATH, DEMO_API_KEY_PROFILE);

        // Gets desired custom region.
        Region r1Alpha = Region.valueOf(configFile.get("region"));

 	      System.out.println("USER OCID INSIDE INVOKE:" + userOcid);

        // Generates GenerateUserSecurityToken API request
        GenerateUserSecurityTokenDetails requestBody = GenerateUserSecurityTokenDetails.builder()
                .publicKey(PUBLIC_KEY)
                .expiryInMinutes(SIXTY_TOKEN_EXPIRY)
                .build();
        GenerateUserSecurityTokenRequest request = GenerateUserSecurityTokenRequest.builder()
                .generateUserSecurityTokenDetails(requestBody)
                .build();
        // Builds an Authentication Details Provider that supports API key signature
        Supplier<InputStream> privateKeySupplierFromConfigEntry
                = new SimplePrivateKeySupplier(configFile.get("key_file"));
        SimpleAuthenticationDetailsProvider provider = SimpleAuthenticationDetailsProvider.builder()
                .tenantId(configFile.get("tenancy"))
 		.userId(userOcid)
                .fingerprint(configFile.get("fingerprint"))
                .privateKeySupplier(privateKeySupplierFromConfigEntry)
                .region(r1Alpha)
                .build();

        // Builds Identity Data Plane client
        DataplaneClient dataplaneClient = DataplaneClient.builder().build(provider);

        // Calls GenerateUserSecurityToken API to obtain a user security token
 
try {
       GenerateUserSecurityTokenResponse response = dataplaneClient.generateUserSecurityToken(request);

        SecurityToken securityToken = response.getSecurityToken();
        String tokenStr = securityToken.getToken();
       // System.out.println(tokenStr);

       return tokenStr;
      }catch (Exception exception){
             return "broke";
       }
    }
}