Cookies again: Expiry Date

Andre Garzia andre at andregarzia.com
Sun Sep 5 17:48:40 EDT 2010


On Sun, Sep 5, 2010 at 6:46 PM, stephen barncard
<stephenREVOLUTION2 at barncard.com> wrote:
> That was it. The date format.  Thanks very much, Andre.

;-) been hurt by that more than once.

>
> sqb
>
> On 5 September 2010 13:49, Andre Garzia <andre at andregarzia.com> wrote:
>
>> Stephen,
>>
>> I think you are using the wrong date format for the cookie. From wikipedia:
>>
>> The expiration date tells the browser when to delete the cookie. The
>> expiration date is specified in the "Wdy, DD-Mon-YYYY HH:MM:SS GMT"
>> format. As an example, the following is a cookie sent by a Web server
>> (the value string has been changed):
>>
>> Set-Cookie: RMID=732423sdfs73242; expires=Fri, 31-Dec-2010 23:59:59
>> GMT; path=/; domain=.example.net
>>
>> That format is similar to the internet date but it is not the internet
>> date. I think you will need to assemble that out of the dateitems or
>> something. Other way is to encode your cookie value such as it carries
>> expiry information on the value field itself. For example
>>
>>  Set-Cookie: one=valueone#1283719646;
>>
>> Then on your code you split it using # as a itemdelimiter. valueone is
>> your actual value, the number after the hash is "the seconds", an
>> exact timestamp of when the cookie was set. You can use that on your
>> code to invalidate a cookie if needed. This puts the control of
>> expiration on your hands.
>>
>> Andre
>>
>> On Sun, Sep 5, 2010 at 5:28 PM, stephen barncard
>> <stephenREVOLUTION2 at barncard.com> wrote:
>> >
>> > I am still having trouble dealing with the effective use of setting and
>> > clearing cookies properly using the Revolution server at On-Rev.
>> >
>> > put new header "Set-Cookie: one=datavalue"
>> > put new header "Set-Cookie: two=datavalue2"
>> >
>> >
>> > Yes, that sets the values that can be recovered, but to delete the cookie
>> by
>> > attempting to set an early expiry date seems to fail every time.
>> >
>> > put new header "Set-Cookie: two=datavalue2 ; expires=May 5,2010;"
>> >
>> > put "Set-Cookie: " && tln & "=" &  urlEncode(pArray[tln]) & "; expires="
>> &
>> > ("March 24, 2012") & ";  path=/;" into theCookie
>> > put new header theCookie
>> >
>> >
>> > I have been around and around to all the forums and see the same posts
>> about
>> > getting put new header to work last year but nothing about actual success
>> > setting the expiry date.
>> >
>> > PHP makes it easy:
>> >
>> > <?php
>> > $value = "my cookie value";
>> >
>> > // send a cookie that expires in 24 hours
>> > setcookie("TestCookie",$value, time()+3600*24);
>> > ?>
>> >
>> >
>> > Tested, PHP works, just like this. Sets the date, too.
>> >
>> > In Rev it's as if the put new header command truncates the other
>> parameters.
>> >
>> >
>> > Surely someone here has a solution to this in RevTalk.
>> >
>> > thanks
>> >
>> > sqb
>> >
>> >
>> >
>> >
>> > --
>> >
>> >
>> >
>> > Stephen Barncard
>> > San Francisco Ca. USA
>> >
>> > more about sqb  <http://www.google.com/profiles/sbarncar>
>> > _______________________________________________
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>>
>>
>>
>> --
>> http://www.andregarzia.com All We Do Is Code.
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>
>
>
> --
>
>
>
> Stephen Barncard
> San Francisco Ca. USA
>
> more about sqb  <http://www.google.com/profiles/sbarncar>
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