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Persistent Cookies in cfscript

· Web Dev Zone

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I just saw a question pop up on twitter about how to set persistent cookies in cfscript. As cfcookie hasn't been ported to cfscript, then you have to set the response headers manually. Here's an example of setting a cookie which expires after a year.
getPageContext().getResponse().addHeader("Set-Cookie", "somevarA=foo; expires=#DateFormat( DateAdd( "yyyy", 1, Now() ), "ddd, dd-mmm-yyyy" )# #TimeFormat( Now(), "HH:MM:SS" )# GMT");

Woah - that looks nasty! A shorter version is to specify the number of seconds you want the cookie to expire after, so you could do this instead:

getPageContext().getResponse().addHeader("Set-Cookie", "somevarB=bar; Max-Age=31622400" );

Not quite as readable, but shorter. Both examples do the same thing.

The advantage of doing it this way is that you can add unsupported attributes (for example HTTPOnly was only added in CF9). You can find more information about cookies here:

http://en.wikipedia.org/wiki/HTTP_cookie#Expires_and_Max-Age

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Published at DZone with permission of John Whish, DZone MVB. See the original article here.

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