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ColdFusion UDF to test string to determine if valid IP address or not.
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<!--- 20190801 | |
ColdFusion UDF to test string to determine if valid IP address or not. | |
https://www.anujgakhar.com/2008/02/21/validate-ip-address-natively-with-coldfusion/ ---> | |
<cfscript> | |
function isValidIPAddress(inputString){ | |
var response = false; | |
var IPAddressUtils = createObject("java","coldfusion.util.IPAddressUtils"); | |
response = javacast("boolean", IPAddressUtils.validateIPAdress( javacast("string", arguments.inputString) )); | |
if (response and listfind("0.0.0.0,255.255.255.255", javacast("string", arguments.inputString))){ | |
response = false; | |
} | |
return response; | |
} | |
</cfscript> | |
<cfset TestIPS = ["123", "127.0.0.1", CGI.Remote_Addr, "10.0.0.1", "10,0,0,1", "256.0.0.23"]> | |
<h2>IP Test</h2> | |
<cfoutput> | |
<cfloop array="#TestIPs#" index="thisIP"> | |
<div>#thisIP# = #isValidIPAddress(thisIP)#</div> | |
</cfloop> | |
</cfoutput> |
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