grails.artefact.controller.support.AllowedMethodsHelper.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2014-2023 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
 *
 *      https://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.artefact.controller.support

import jakarta.servlet.http.HttpServletRequest

import groovy.transform.CompileStatic

/**
 * A helper class for interrogating the allowedMethods property.
 *
 * @author Jeff Brown
 * @since 3.0
 *
 */
@CompileStatic
class AllowedMethodsHelper {

    static boolean isAllowed(String actionName, HttpServletRequest request, Map allowedMethods) {
        boolean isAllowed = true
        if (allowedMethods?.containsKey(actionName)) {
            String method = request.method
            Object value = allowedMethods[actionName]
            if (value instanceof String) {
                isAllowed = method.equalsIgnoreCase(value)
            }
            else if (value instanceof List) {
                isAllowed = value.find { s ->
                    method.equalsIgnoreCase(String.valueOf(s))
                }
            }
            else {
                isAllowed = false
            }
        }
        isAllowed
    }

}