iRule for replace URL characters and do Base64 Encoding

Certainly not the only option, but the following should work:

   
set hosturi [string tolower [HTTP::host][HTTP::uri]]
if { $hosturi starts_with "www.example.com/xyz/xyz.do?asar=equal?x=" } {
        
        set firstpart [string range $hosturi 0 [expr [string first "?x=" $hosturi] + 2]]
        set secondpart [string rang $hosturi [expr [string first "?x=" $hosturi] + 3] end]
        
        log local0. [string map {"?x" "&x"} $firstpart][b64encode $secondpart]        
}

Thanks a lot kevin, I will test the iRule shortly and update you with the results .. Thanks again

 

 

BR

 

 

I made the below iRule which was mainly from your valuable inputs kevin and what I found in devcentral, and it seems to be working fine.

 

 

when HTTP_REQUEST {

 

if {[HTTP::uri] starts_with "/xyz/xyz.do?asar=equal?x="} {

 

set uri [findstr [HTTP::uri] asar=equal?x= 15 ]

 

set enc_uri [b64encode $uri]

 

HTTP::redirect "www.example.com/xyz/xyz.do?asar=equal&x=$enc_uri"

 

log local0. "uri=$uri and Encrypted URI=$enc_uri"

 

 

}

 

}

 

 

Your inputs are really appreciated and helpful.

 

 

BR,