PHP 및 SOAP를 사용하여 웹 서비스에 대한 인증 및 권한 부여를 구현하는 방법

<?php
// 身份验证函数
function authenticate($username, $password) {
    // 身份验证逻辑，比如检查用户名和密码是否正确
    if ($username === "admin" && $password === "123456") {
        return true;
    } else {
        return false;
    }
}

// 授权函数
function authorize($username, $serviceName) {
    // 授权逻辑，比如检查用户是否有权限访问某个Web服务
    if ($username === "admin" && $serviceName === "service1") {
        return true;
    } else {
        return false;
    }
}
?>

<?xml version="1.0"?>
<definitions name="authenticationService"
    targetNamespace="http://example.com/authentication"
    xmlns:tns="http://example.com/authentication"
    xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
    xmlns="http://schemas.xmlsoap.org/wsdl/">

    <!-- 身份验证方法 -->
    <portType name="authenticationPortType">
        <operation name="authenticate">
            <input message="tns:authenticateRequest"/>
            <output message="tns:authenticateResponse"/>
        </operation>
    </portType>

    <!-- 授权方法 -->
    <portType name="authorizationPortType">
        <operation name="authorize">
            <input message="tns:authorizeRequest"/>
            <output message="tns:authorizeResponse"/>
        </operation>
    </portType>

    <!-- 输入和输出消息定义 -->
    <message name="authenticateRequest">
        <part name="username" type="xsd:string"/>
        <part name="password" type="xsd:string"/>
    </message>
    <message name="authenticateResponse">
        <part name="result" type="xsd:boolean"/>
    </message>
    <message name="authorizeRequest">
        <part name="serviceName" type="xsd:string"/>
    </message>
    <message name="authorizeResponse">
        <part name="result" type="xsd:boolean"/>
    </message>

    <!-- SOAP绑定 -->
    <binding name="authenticationBinding" type="tns:authenticationPortType">
        <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
        <operation name="authenticate">
            <soap:operation soapAction="authenticate"/>
            <input>
                <soap:body use="encoded" namespace="urn:examples" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </input>
            <output>
                <soap:body use="encoded" namespace="urn:examples" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </output>
        </operation>
    </binding>
    <binding name="authorizationBinding" type="tns:authorizationPortType">
        <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
        <operation name="authorize">
            <soap:operation soapAction="authorize"/>
            <input>
                <soap:body use="encoded" namespace="urn:examples" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </input>
            <output>
                <soap:body use="encoded" namespace="urn:examples" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
            </output>
        </operation>
    </binding>

    <!-- 服务定义 -->
    <service name="authenticationService">
        <port name="authenticationPort" binding="tns:authenticationBinding">
            <soap:address location="http://example.com/authentication"/>
        </port>
        <port name="authorizationPort" binding="tns:authorizationBinding">
            <soap:address location="http://example.com/authorization"/>
        </port>
    </service>

</definitions>