grails.plugin.springsecurity.rest.token.generation.UUIDTokenGenerator.groovy Maven / Gradle / Ivy

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Grails plugin to implement token-based, RESTful authentication using Spring Security

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/* Copyright 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package grails.plugin.springsecurity.rest.token.generation

import grails.plugin.springsecurity.rest.token.AccessToken
import groovy.transform.CompileStatic
import org.springframework.security.core.userdetails.UserDetails

/**
 * Uses {@link UUID} to generate tokens.
 */

@CompileStatic
class UUIDTokenGenerator implements TokenGenerator {

    /**
     * Generates a UUID based token
     *
     * @return a String token of 32 alphanumeric characters.
     */
    AccessToken generateAccessToken(UserDetails principal) {
        String token = UUID.randomUUID().toString().replaceAll('-', '')
        return new AccessToken(principal, principal.authorities, token)
    }

    @Override
    AccessToken generateAccessToken(UserDetails principal, Integer expiration) {
        AccessToken accessToken = generateAccessToken(principal)
        accessToken.expiration = expiration
        return accessToken
    }

}