com.tencent.bkrepo.common.security.http.basic.BasicAuthHandler.kt Maven / Gradle / Ivy

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/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
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package com.tencent.bkrepo.common.security.http.basic

import com.tencent.bkrepo.common.api.constant.BASIC_AUTH_PREFIX
import com.tencent.bkrepo.common.api.constant.HttpHeaders
import com.tencent.bkrepo.common.api.util.BasicAuthUtils
import com.tencent.bkrepo.common.security.exception.AuthenticationException
import com.tencent.bkrepo.common.security.http.core.HttpAuthHandler
import com.tencent.bkrepo.common.security.http.credentials.AnonymousCredentials
import com.tencent.bkrepo.common.security.http.credentials.HttpAuthCredentials
import com.tencent.bkrepo.common.security.manager.AuthenticationManager
import javax.servlet.http.HttpServletRequest

/**
 * Basic Http 认证方式
 */
open class BasicAuthHandler(val authenticationManager: AuthenticationManager) : HttpAuthHandler {

    override fun extractAuthCredentials(request: HttpServletRequest): HttpAuthCredentials {
        val authorizationHeader = request.getHeader(HttpHeaders.AUTHORIZATION).orEmpty()
        return if (authorizationHeader.startsWith(BASIC_AUTH_PREFIX)) {
            try {
                val pair = BasicAuthUtils.decode(authorizationHeader)
                BasicAuthCredentials(pair.first, pair.second)
            } catch (ignored: IllegalArgumentException) {
                throw AuthenticationException("Invalid authorization value.")
            }
        } else AnonymousCredentials()
    }

    override fun onAuthenticate(request: HttpServletRequest, authCredentials: HttpAuthCredentials): String {
        require(authCredentials is BasicAuthCredentials)
        return authenticationManager.checkUserAccount(authCredentials.username, authCredentials.password)
    }
}