Created
December 4, 2011 19:40
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A much better version of a URL shortening service in VCL. It now uses libvmod-redis and works similar to the ugly Inline C VCL.
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import redis; | |
sub vcl_recv { | |
if (req.url ~ "^/[lL]/[A-Za-z0-9\-_]{4,32}=?=?$") { | |
set req.http.New-Location = redis.call(regsub(req.url, "^/[lL]/([A-Za-z0-9\-_]{2})([A-Za-z0-9\-_]{2,30}=?=?)$", "HGET short:\1 \2")); | |
if (req.http.New-Location) { | |
error 666; | |
} | |
error 404 "Not Found"; | |
} | |
} | |
sub vcl_error { | |
if (obj.status == 666) { | |
set obj.http.Location = req.http.New-Location; | |
unset req.http.New-Location; | |
set obj.status = 302; | |
set obj.response = "Found"; | |
set obj.ttl = 120s; | |
return (deliver); | |
} | |
} |
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