/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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 org.springframework.security.web.access.channel

import groovy.transform.CompileStatic

import jakarta.servlet.http.HttpServletRequest
import jakarta.servlet.http.HttpServletResponse

import org.springframework.security.web.PortMapper
import org.springframework.security.web.PortResolver
import org.springframework.security.web.RedirectStrategy
import org.springframework.security.web.util.UrlUtils

@CompileStatic
class RetryWithHttpsEntryPoint {

    PortMapper portMapper
    PortResolver portResolver
    RedirectStrategy redirectStrategy

    void commence(HttpServletRequest request, HttpServletResponse response) {
        def currentPort = portResolver.getServerPort(request)
        def targetPort = portMapper.lookupHttpsPort(currentPort)
        if (targetPort == null) {
            targetPort = currentPort
        }
        def targetUrl = UrlUtils.buildFullRequestUrl(
                'https',
                request.serverName,
                targetPort,
                request.requestURI,
                request.queryString
        )
        redirectStrategy.sendRedirect(request, response, targetUrl)
    }
}
