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asp_web_howto thread: Retrieve Session variables on Client side?
Message #1 by "Chris Chaffee" <chris@u...> on Wed, 21 Feb 2001 19:53:47 -0800
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Is it possible to see the contents of session variables on the client
side (maybe using JavaScript or something of the sort)?
I'm trying to build a script around an existing external (not mine) web
site that uses the Session for authentication, and I need to be able to
pass the session information around between my scripts so I can interact
with the external site.
I know the information must be stored on the client somewhere, but I
can't figure out how to access it.
Thanks,
Chris Chaffee
Webmaster
UNX, Inc.
Member NASD/SIPC
chris@u...
Message #2 by "Ken Schaefer" <ken@a...> on Thu, 22 Feb 2001 22:14:34 +1100
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> Is it possible to see the contents of session variables on the client
> side (maybe using JavaScript or something of the sort)?
>
> I'm trying to build a script around an existing external (not mine) web
> site that uses the Session for authentication, and I need to be able to
> pass the session information around between my scripts so I can interact
> with the external site.
>
> I know the information must be stored on the client somewhere, but I
> can't figure out how to access it.
Are you saying that you think the session information is stored on the
client? It's not...only a sessionID is stored in a cookie on the client. The
server holds onto all the session variables in the server's memory. the
client returns the cookie with the sessionID back to the server, the server
uses the sessionID to work out which variables are associated with that
user.
Cheers
Ken
Message #3 by "Paula Durán Trejos" <paudurtr@h...> on Thu, 22 Feb 2001 08:42:11 -0600
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Try this
<%
Session("Answer") = "Yes"
%>
<script language=VBScript>
msgbox "<%=Session("Answer")%>"
</script>
>From: "Chris Chaffee" <chris@u...>
>Reply-To: "ASP Web HowTo" <asp_web_howto@p...>
>To: "ASP Web HowTo" <asp_web_howto@p...>
>Subject: [asp_web_howto] Retrieve Session variables on Client side?
>Date: Thu, 22 Feb 2001 06:56:14 -0800
>
>Is it possible to see the contents of session variables on the client
>side (maybe using JavaScript or something of the sort)?
>
>I'm trying to build a script around an existing external (not mine) web
>site that uses the Session for authentication, and I need to be able to
>pass the session information around between my scripts so I can interact
>with the external site.
>
>I know the information must be stored on the client somewhere, but I
>can't figure out how to access it.
>
>Thanks,
>
>Chris Chaffee
>Webmaster
>UNX, Inc.
>Member NASD/SIPC
>chris@u...
>
Message #4 by "Chris Chaffee" <chris@u...> on Thu, 22 Feb 2001 08:31:44 -0800
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Good enough. It sounds like I just need to be able to identify myself
to the server by returning the correct cookie. Thanks!
-----Original Message-----
From: Ken Schaefer [mailto:ken@a...]
Sent: Thursday, February 22, 2001 3:15 AM
To: ASP Web HowTo
Subject: [asp_web_howto] Re: Retrieve Session variables on Client side?
> Is it possible to see the contents of session variables on the client
> side (maybe using JavaScript or something of the sort)? =3D20
>
> I'm trying to build a script around an existing external (not mine)
web
> site that uses the Session for authentication, and I need to be able
to
> pass the session information around between my scripts so I can
interact
> with the external site.
>
> I know the information must be stored on the client somewhere, but I
> can't figure out how to access it.
Are you saying that you think the session information is stored on the
client? It's not...only a sessionID is stored in a cookie on the client.
The
server holds onto all the session variables in the server's memory. the
client returns the cookie with the sessionID back to the server, the
server
uses the sessionID to work out which variables are associated with that
user.
Cheers
Ken
Message #5 by "Ken Schaefer" <ken@a...> on Fri, 23 Feb 2001 14:17:35 +1100
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The problem with cookies is that you can not get the values set by another
server (you mentioned that the other server was external to yours).
Ie, if server1 sets a cookie, you can not retrieve this on server2, unless
they are both in the same domain, and the original server says that the
cookie can be accessed by all machines in the domain. That said, session
cookies are not domain wide - they will only be returned to the server that
set them.
Cheers
Ken
----- Original Message -----
From: "Chris Chaffee" <chris@u...>
To: "ASP Web HowTo" <asp_web_howto@p...>
Sent: Friday, February 23, 2001 3:31 AM
Subject: [asp_web_howto] Re: Retrieve Session variables on Client side?
Good enough. It sounds like I just need to be able to identify myself
to the server by returning the correct cookie. Thanks!
-----Original Message-----
From: Ken Schaefer [mailto:ken@a...]
Sent: Thursday, February 22, 2001 3:15 AM
To: ASP Web HowTo
Subject: [asp_web_howto] Re: Retrieve Session variables on Client side?
> Is it possible to see the contents of session variables on the client
> side (maybe using JavaScript or something of the sort)?
>
> I'm trying to build a script around an existing external (not mine)
web
> site that uses the Session for authentication, and I need to be able
to
> pass the session information around between my scripts so I can
interact
> with the external site.
>
> I know the information must be stored on the client somewhere, but I
> can't figure out how to access it.
Are you saying that you think the session information is stored on the
client? It's not...only a sessionID is stored in a cookie on the client.
The
server holds onto all the session variables in the server's memory. the
client returns the cookie with the sessionID back to the server, the
server
uses the sessionID to work out which variables are associated with that
user.
Cheers
Ken
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