grails.plugin.springsecurity.rest.token.reader.HttpHeaderTokenReader.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.reader

import grails.plugin.springsecurity.rest.token.AccessToken
import groovy.transform.CompileStatic

import jakarta.servlet.http.HttpServletRequest

/**
 * Reads the token from a configurable HTTP Header
 */

@CompileStatic
class HttpHeaderTokenReader implements TokenReader {

    String headerName

    /**
     * @return the token from the header {@link #headerName}, null otherwise
     */
    @Override
    AccessToken findToken(HttpServletRequest request) {
        String tokenValue = request.getHeader(headerName)
        return tokenValue ? new AccessToken(tokenValue) : null
    }
}