我有一个RESTful Web服务。其端点需要请求IP。我用bellow函数来获取请求IP。
String callerIpAddress = "";
String xForwardedForHeader = request.getHeader("X-FORWARDED-FOR");
if (xForwardedForHeader == null) {
callerIpAddress = request.getRemoteAddr();
}
如果我直接运行这些端点,变量callerIpAddress会显示请求IP。
但是当我通过WSO2 AM发布它时。 callerIpAddress仅显示值:127.0.0.1。
我在WSO2 AM的In Flow中使用了一个序列,但结果仍然相同
<sequence xmlns="http://ws.apache.org/ns/synapse" name="get-real-ip-json-input">
<property name="X-Forwarded-For" expression="get-property('axis2','REMOTE_ADDR')"/>
<log level="custom">
<property name="Actual Remote Address " expression="get-property('X-Forwarded-For')"/>
</log>
</sequence>
任何人都可以帮我解决这个问题吗?谢谢
创建文件global_ext.xml
到<APIM_HOM>/repository/deployment/server/synapse-configs/default/sequences
(API_HOME是您的主页目录WSO2AM,如/opt/WSO2AM-vername
),其中包含以下内容:
<?xml version="1.0" encoding="UTF-8"?>
<sequence xmlns="http://ws.apache.org/ns/synapse" name="WSO2AM--Ext--In">
<filter source="get-property('transport','X-Forwarded-For')" regex=".*">
<then>
<property name="coming-X-Forwarded-For"
expression="fn:concat(get-property('transport','X-Forwarded-For'), ', ')"
scope="axis2"
type="STRING"/>
<property name="clientIP" expression="get-property('axis2','REMOTE_ADDR')"/>
<property name="X-Forwarded-For"
expression="fn:concat(get-property('axis2','coming-X-Forwarded-For'), get-property('clientIP'))"
scope="transport"
type="STRING"/>
</then>
<else>
<property name="X-Forwarded-For"
expression="get-property('axis2','REMOTE_ADDR')"
scope="transport"
type="STRING"/>
</else>
</filter>
<log level="custom">
<property name="client_ip_address"
expression="get-property('transport','X-Forwarded-For')"/>
</log>
</sequence>
有时在添加新序列后需要重新启动wso2-am。
在您的REST Web服务中,您可以拥有一个将返回IP地址的功能,例如:
private String getSourceIp() {
if (request!= null && request.getHeader("X-Forwarded-For") != null) {
return request.getHeader("X-Forwarded-For");
} else {
return "0.0.0.0"; //or you can throw an error depending on how you want to handle it.
}
}