Spring-SAML：传入的SAML消息无效

时间：2016-11-15 21:59:05

标签： saml-2.0 spring-saml

在将我的应用与SAML集成时，我遇到了一个问题。

以下是我的错误：

org.springframework.security.saml.SAMLProcessingFilter.attemptAuthentication: Incoming SAML message is invalid 
org.opensaml.common.SAMLException: Endpoint with message binding urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST and URL https://myappruldotom/saml/SSO wasn't found in local metadata at org.springframework.security.saml.util.SAMLUtil.getEndpoint(SAMLUtil.java:357) ~[spring-security-saml2-core-1.0.2.RELEASE.jar:1.0.2.RELEASE]

我的应用程序部署在AWS上，当我通过编写自定义SAMLProcessingFilter添加日志语句并编写getEndpoint（）实现来添加多个日志语句并复制getEndpoint（）方法的确切内容。

日志语句显示端点将作为IP地址： MySAMLProcessingFilter.getEndpoint：MySAMLLOG - endpoint.getLocation（）= https://10.193.160.123:443/mysamlapp/saml/SSO

我在SAML配置中定义了entityId，但这也没有帮助。我的配置文件中的entityId为：

<bean id="metadataGeneratorFilter" class="org.springframework.security.saml.metadata.MetadataGeneratorFilter">
    <constructor-arg>
        <bean class="org.springframework.security.saml.metadata.MetadataGenerator">
            <property name="entityId" value="https://myappruldotom/mysamlapp/saml/metadata"/>
            <property name="requestSigned" value="false"/>
        </bean>
    </constructor-arg>
</bean>

securityContext.xml文件：

<beans
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:security="http://www.springframework.org/schema/security"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd">

<!-- ############################ Security Settings ############################ -->


<!-- Enable auto-wiring -->
<context:annotation-config/>

<!-- Scan for auto-wiring classes in spring saml packages -->
<context:component-scan base-package="org.springframework.security.saml"/>

<!-- IMPORTANT!! This entry is required to enable method-level security. -->
<security:global-method-security pre-post-annotations="enabled"></security:global-method-security>

<!-- No security on resource files -->
<security:http security="none" pattern="/resources/**" />

<!-- Secured pages with SAML as entry point with SPRING CSRF filter -->
<security:http entry-point-ref="samlEntryPoint" disable-url-rewriting="true" use-expressions="true">
    <security:csrf disabled="true"/>
    <security:intercept-url pattern="/cart/**" access="isAuthenticated()"/>
    <security:custom-filter before="FIRST" ref="metadataGeneratorFilter"/>
    <security:custom-filter after="BASIC_AUTH_FILTER" ref="samlFilter"/>
</security:http>


<!-- Filters for processing of SAML messages -->
<bean id="samlFilter" class="org.springframework.security.web.FilterChainProxy">
    <security:filter-chain-map request-matcher="ant">
        <security:filter-chain pattern="/saml/metadata/**" filters="metadataGeneratorFilter"/>
        <security:filter-chain pattern="/login/**" filters="samlEntryPoint"/>
        <security:filter-chain pattern="/saml/logout/**" filters="samlLogoutFilter"/>
        <security:filter-chain pattern="/saml/SSO/**" filters="samlWebSSOProcessingFilter"/>
        <security:filter-chain pattern="/saml/discovery/**" filters="samlIDPDiscovery"/>
        <security:filter-chain pattern="/saml/SingleLogout/**" filters="samlLogoutProcessingFilter"/>
    </security:filter-chain-map>
</bean>

<bean id="successRedirectHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
    <property name="defaultTargetUrl" value="/cart"/>
</bean>

<!-- After logout, show the logout success page -->
<bean id="successLogoutHandler" class="org.springframework.security.web.authentication.logout.SimpleUrlLogoutSuccessHandler">
    <property name="defaultTargetUrl" value="/"/>
</bean>

<!-- Logout handler terminating local session -->
<bean id="logoutHandler" class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler">
    <property name="invalidateHttpSession" value="true"/>
</bean>

<!-- Handler deciding where to redirect user after failed login -->
<bean id="failureRedirectHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
    <property name="useForward" value="true"/>
</bean>

<security:authentication-manager alias="authenticationManager">
    <!-- Register authentication manager for SAML provider -->
    <security:authentication-provider ref="samlAuthenticationProvider"/>
</security:authentication-manager> 

<!-- Central storage of cryptographic keys -->

<bean id="keyManager" class="org.springframework.security.saml.key.JKSKeyManager">
    <constructor-arg value="classpath:samlKeystore.jks"/>
    <constructor-arg type="java.lang.String" value="nalle123"/>
    <constructor-arg>
        <map>
            <entry key="apollo" value="nalle123"/>
        </map>
    </constructor-arg>
    <constructor-arg type="java.lang.String" value="apollo"/>
</bean>

<!-- Logger for SAML messages and events -->
<bean id="samlLogger" class="org.springframework.security.saml.log.SAMLDefaultLogger"/>

<!-- IDP Discovery Service -->
<bean id="samlIDPDiscovery" class="org.springframework.security.saml.SAMLDiscovery"></bean>


<bean id="metadataGeneratorFilter" class="org.springframework.security.saml.metadata.MetadataGeneratorFilter">
  <constructor-arg>
     <bean class="org.springframework.security.saml.metadata.MetadataGenerator">
        <property name="entityId" value="https://myappdotcom/mysamlapp/saml/metadata"/>
        <property name="requestSigned" value="false"/>
    </bean>
</constructor-arg>
</bean>

<!-- Entry point to initialize authentication, default values taken from properties file -->
<bean id="samlEntryPoint" class="org.springframework.security.saml.SAMLEntryPoint">
   <property name="filterProcessesUrl" value="/saml/SSO"/>
   <property name="defaultProfileOptions">
    <bean class="org.springframework.security.saml.websso.WebSSOProfileOptions">
        <property name="includeScoping" value="false"/>
    </bean>
</property>
</bean>

<bean id="metadata" class="org.springframework.security.saml.metadata.CachingMetadataManager">
   <property name="defaultIDP" value="https://dev-942345.oktapreview.com/"/>

   <constructor-arg>
    <list>
        <bean class="org.opensaml.saml2.metadata.provider.FilesystemMetadataProvider">
            <constructor-arg>
                <value type="java.io.File">#{systemProperties['catalina.home']}/saml/idp.xml</value>
            </constructor-arg>
            <property name="parserPool" ref="parserPool"/>
        </bean>                
    </list>
</constructor-arg>
</bean>


<!-- SAML Authentication Provider responsible for validating of received SAML messages -->
<bean id="samlAuthenticationProvider" class="org.springframework.security.saml.SAMLAuthenticationProvider">
   <property name="userDetails" ref="samlUserDetailsService" />
   <property name="forcePrincipalAsString" value="false" />
</bean>


<!-- Custom user details service to attach app specific roles to federated identities -->
<bean id="samlUserDetailsService" class="com.zap.shop.SAMLUserDetailsServiceImpl"></bean>

<!-- Provider of default SAML Context -->
<bean id="contextProvider" class="org.springframework.security.saml.context.SAMLContextProviderImpl"/>

<!-- Processing filter for WebSSO profile messages -->
<bean id="samlWebSSOProcessingFilter" class="org.springframework.security.saml.SAMLProcessingFilter">
    <property name="authenticationManager" ref="authenticationManager"/>
    <property name="authenticationSuccessHandler" ref="successRedirectHandler"/>
    <property name="authenticationFailureHandler" ref="failureRedirectHandler"/>
</bean>


<!-- Override default logout processing filter with the one processing SAML messages -->
<bean id="samlLogoutFilter" class="org.springframework.security.saml.SAMLLogoutFilter">
    <constructor-arg index="0" ref="successLogoutHandler"/>
    <constructor-arg index="1" ref="logoutHandler"/>
    <constructor-arg index="2" ref="logoutHandler"/>
</bean>

<!-- Filter processing incoming logout messages -->
<!-- First argument determines URL user will be redirected to after successful global logout -->
<bean id="samlLogoutProcessingFilter" class="org.springframework.security.saml.SAMLLogoutProcessingFilter">
    <constructor-arg index="0" ref="successLogoutHandler"/>
    <constructor-arg index="1" ref="logoutHandler"/>
</bean>

<!-- Class loading incoming SAML messages from httpRequest stream -->
<bean id="processor" class="org.springframework.security.saml.processor.SAMLProcessorImpl">
    <constructor-arg>
        <list>
            <ref bean="redirectBinding"/>
            <ref bean="postBinding"/>
            <ref bean="artifactBinding"/>
            <ref bean="soapBinding"/>
            <ref bean="paosBinding"/>
        </list>
    </constructor-arg>
</bean>

<!-- SAML 2.0 WebSSO Assertion Consumer -->
<bean id="webSSOprofileConsumer" class="org.springframework.security.saml.websso.WebSSOProfileConsumerImpl"/>

<!-- SAML 2.0 Holder-of-Key WebSSO Assertion Consumer -->
<bean id="hokWebSSOprofileConsumer" class="org.springframework.security.saml.websso.WebSSOProfileConsumerHoKImpl"/>

<!-- SAML 2.0 Web SSO profile -->
<bean id="webSSOprofile" class="org.springframework.security.saml.websso.WebSSOProfileImpl"/>

<!-- SAML 2.0 Holder-of-Key Web SSO profile -->
<bean id="hokWebSSOProfile" class="org.springframework.security.saml.websso.WebSSOProfileConsumerHoKImpl"/>

<!-- SAML 2.0 ECP profile -->
<bean id="ecpprofile" class="org.springframework.security.saml.websso.WebSSOProfileECPImpl"/>

<!-- SAML 2.0 Logout Profile -->
<bean id="logoutprofile" class="org.springframework.security.saml.websso.SingleLogoutProfileImpl"/>

<!-- Bindings, encoders and decoders used for creating and parsing messages -->
<bean id="postBinding" class="org.springframework.security.saml.processor.HTTPPostBinding">
    <constructor-arg ref="parserPool"/>
    <constructor-arg ref="velocityEngine"/>
</bean>

<bean id="redirectBinding" class="org.springframework.security.saml.processor.HTTPRedirectDeflateBinding">
    <constructor-arg ref="parserPool"/>
</bean>

<bean id="artifactBinding" class="org.springframework.security.saml.processor.HTTPArtifactBinding">
    <constructor-arg ref="parserPool"/>
    <constructor-arg ref="velocityEngine"/>
    <constructor-arg>
        <bean class="org.springframework.security.saml.websso.ArtifactResolutionProfileImpl">
            <constructor-arg>
                <bean class="org.apache.commons.httpclient.HttpClient">
                    <constructor-arg>
                        <bean class="org.apache.commons.httpclient.MultiThreadedHttpConnectionManager"/>
                    </constructor-arg>
                </bean>
            </constructor-arg>
            <property name="processor">
                <bean class="org.springframework.security.saml.processor.SAMLProcessorImpl">
                    <constructor-arg ref="soapBinding"/>
                </bean>
            </property>
        </bean>
    </constructor-arg>
</bean>

<bean id="soapBinding" class="org.springframework.security.saml.processor.HTTPSOAP11Binding">
    <constructor-arg ref="parserPool"/>
</bean>

<bean id="paosBinding" class="org.springframework.security.saml.processor.HTTPPAOS11Binding">
    <constructor-arg ref="parserPool"/>
</bean>

<!-- Initialization of OpenSAML library-->
<bean class="org.springframework.security.saml.SAMLBootstrap"/>

<!-- Initialization of the velocity engine -->
<bean id="velocityEngine" class="org.springframework.security.saml.util.VelocityFactory" factory-method="getEngine"/>

<!-- XML parser pool needed for OpenSAML parsing -->
<bean id="parserPool" class="org.opensaml.xml.parse.StaticBasicParserPool" init-method="initialize">
    <property name="builderFeatures">
        <map>
            <entry key="http://xml.org/sax/features/external-general-entities" value="false"/>
            <entry key="http://javax.xml.XMLConstants/feature/secure-processing" value="true"/>
            <entry key="http://apache.org/xml/features/disallow-doctype-decl" value="true"/>
        </map>
    </property>
</bean>

<bean id="parserPoolHolder" class="org.springframework.security.saml.parser.ParserPoolHolder"/> 
</beans>

提前感谢您的帮助。

2 个答案:

答案 0 :(得分：4)

要解决此问题，请在metadataGeneratorFilter bean中设置MetadataGenerator的enityBaseURL属性。代码如下所示：

<bean id="metadataGeneratorFilter" class="org.springframework.security.saml.metadata.MetadataGeneratorFilter">
        <constructor-arg>
            <bean class="org.springframework.security.saml.metadata.MetadataGenerator">
                <property name="entityId" value="http://myapp.com/myapp/saml/metadata"/>
                <property name="requestSigned" value="false"/>
                <property name="entityBaseURL" value="http://myapp.com/myapp"/>
            </bean>
        </constructor-arg>
    </bean>

答案 1 :(得分：1)

我在securityContext.xml中发现的一些问题：

  1. entityId 实体ID不需要指向元数据。这不是一个严重的问题，但最好是让你的实体更加友好。它应该像com：mycompany：我的应用程序。它仅供IDP用于识别您的申请。

  2. processUrl samlEntryPoint的财产 您的samlEntryPoint bean中有<property name="filterProcessesUrl" value="/saml/SSO"/>。访问/login时使用samlEntryPoint，因此您的应用程序可以指向您的IDP地址。 {ID：1}用于当您的IDP将消息发送回您的应用程序时，您的应用程序使用此消息从IDP获取用户的授权和信息。
    在documentation中，它表示/SSO是filterProcessesUrl但是在Url this filter should get activated on. bean中，您已经在samlFilter上设置了samlEntryPoint。所以你的设置是不必要的和不正确的。

  3. /login/**遗失failureRedirectHandler财产
    请参阅example securityContext.xml以获取参考

  4. 对模式defaultFailureUrl进行过滤应为/saml/metadata
    您需要在访问此页面时显示元数据，并将此元数据提供给您的IDP。

    5. 总而言之，我认为这是导致上述问题的第二点，而且这是你遇到的最严重的问题。您应该首先尝试修复securityContext.xml，看看是否有效。如果没有，请尝试使用带有最小修改的example securityContext.xml来确保您的应用程序正常运行，然后逐步修改文件以最大限度地降低破解风险。

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