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On 9/30/00, W Luke penned:
>For example on one of my sites I have a Members section which they can
>personalise - they login in using their username and password...
>
> <cfif NOT #login.recordcount# IS 0>
>
>So if the user and pass is OK, the rest of the page is displayed. What I'd
>like to do is after successful validation, use client vars in a DB so that
>they will be logged in automatically next time.
>
>How should I do this?
The problem with this, client variables can be set to be purged from
the database after a set period, so unless you have your own server,
you're at the mercy of the host. I believe the default is 10 days. I
have my server set to expunge after one day because that's all I need
for any app on my server. Now if someone requested I keep them
longer, I may give them a week, but not much more than that because
then the database just gets larger and larger. And I don't think
there's any guarantee that the person will have the same cfid and
cftoken generated by their browser (still a little confused by that
one) if they've shut it down and come back a few days later.
I use cookies. Then they can click a checkbox if they want their
password to be stored. Then you check like this (just an example from
one of my apps):
<cfif not isdefined('client.mem_id')><cfset client.mem_id = ""></cfif>
<cfif (isDefined('cookie.member_id') and
isdefined('cookie.member_password') and
client.mem_id is "") or (isdefined('form.member_id') and
(isdefined('form.member_password'))>
<cfif isdefined('form.member_password')>
<cfset variables.member_password = form.member_password>
<cfelse>
<cfset variables.member_password = cookie.member_password>
</cfif>
<cfif isdefined('form.member_id')>
<cfset variables.member_id = form.member_id>
<cfelse>
<cfset variables.member_id = cookie.member_id>
</cfif>
<CFQUERY DATASOURCE="#request.DSN#" NAME="Get_ID">
SELECT Cust_ID,Cust_FirstName
FROM Customers
WHERE Cust_ID = '#variables.member_id#' and password =
'#variables.member_password#'
</CFQUERY>
<cfif Get_ID.recordcount is "1">
<cfset client.mem_id = Get_ID.Cust_ID>
Welcome Back <cfoutput>#Get_Id.Cust_FirstName#</cfouput>!<p>
<cfelse>
<cfset badlogin = 1>
</cfif>
</cfif>
<cfif client.mem_id is "">
<cfif isdefined('badlogin')>Login Failed<br></cfif>
Show Login Form</cfif>
Then as long as client.mem_id is not "" then they are logged in.
--
Bud Schneehagen - Tropical Web Creations
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
ColdFusion Solutions / eCommerce Development
[EMAIL PROTECTED]
http://www.twcreations.com/
954.721.3452
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<html><head><style type="text/css"><!--
blockquote, dl, ul, ol, li { margin-top: 0 ; margin-bottom: 0 }
--></style><title>Re: Client & Session
variables?</title></head><body>
<div>On 9/30/00, W Luke penned:</div>
<blockquote type="cite" cite>For example on one of my sites I have a
Members section which they can<br>
personalise - they login in using their username and password...<br>
<br>
<cfif NOT #login.recordcount# IS 0><br>
<br>
So if the user and pass is OK, the rest of the page is
displayed. What I'd<br>
like to do is after successful validation, use client vars in a DB so
that<br>
they will be logged in automatically next time.<br>
</blockquote>
<blockquote type="cite" cite>How should I do this?</blockquote>
<div><br></div>
<div>The problem with this, client variables can be set to be purged
from the database after a set period, so unless you have your own
server, you're at the mercy of the host. I believe the default is 10
days. I have my server set to expunge after one day because that's
all I need for any app on my server. Now if someone requested I keep
them longer, I may give them a week, but not much more than that
because then the database just gets larger and larger. And I don't
think there's any guarantee that the person will have the same cfid
and cftoken generated by their browser (still a little confused by
that one) if they've shut it down and come back a few days
later.</div>
<div><br></div>
<div>I use cookies. Then they can click a checkbox if they want their
password to be stored. Then you check like this (just an example from
one of my apps):</div>
<div><br></div>
<div><font size="-1"><cfif not
isdefined('client.mem_id')><cfset client.mem_id =
""></cfif></font></div>
<div><br></div>
<div><font size="-1"><cfif (isDefined('cookie.member_id')
and</font></div>
<div><font size="-1">isdefined('cookie.member_password')
and</font></div>
<div><font size="-1">client.mem_id is "") or
(isdefined('form.member_id') and</font></div>
<div><font
size="-1">(isdefined('form.member_password'))></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"><cfif
isdefined('form.member_password')></font></div>
<div><font size="-1"><cfset variables.member_password =
form.member_password></font></div>
<div><font size="-1"><cfelse></font></div>
<div><font size="-1"><cfset variables.member_password =
cookie.member_password></font></div>
<div><font size="-1"></cfif></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"><cfif
isdefined('form.member_id')></font></div>
<div><font size="-1"><cfset variables.member_id =
form.member_id></font></div>
<div><font size="-1"><cfelse></font></div>
<div><font size="-1"><cfset variables.member_id =
cookie.member_id></font></div>
<div><font size="-1"></cfif></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"><CFQUERY DATASOURCE="#request.DSN#"
NAME="Get_ID"></font></div>
<div><font size="-1">SELECT Cust_ID,Cust_FirstName</font></div>
<div><font size="-1">FROM Customers</font></div>
<div><font size="-1">WHERE Cust_ID = '#variables.member_id#' and
password = '#variables.member_password#'</font></div>
<div><font size="-1"></CFQUERY></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"><cfif Get_ID.recordcount is
"1"></font></div>
<div><font size="-1"><cfset client.mem_id =
Get_ID.Cust_ID></font></div>
<div><font size="-1">Welcome Back
<cfoutput>#Get_Id.Cust_FirstName#</cfoup<span
></span>ut>!<p></font></div>
<div><font size="-1"><cfelse></font></div>
<div><font size="-1"><cfset badlogin = 1></font></div>
<div><font size="-1"></cfif></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"></cfif></font></div>
<div><font size="-1"><br></font></div>
<div><font size="-1"><cfif client.mem_id is
""></font></div>
<div><font size="-1"><cfif isdefined('badlogin')>Login
Failed<br></cfif></font></div>
<div><font size="-1">Show Login Form</cfif></font></div>
<div><br></div>
<div>Then as long as client.mem_id is not "" then they are
logged in.</div>
<div>-- <br>
<br>
Bud Schneehagen - Tropical Web Creations<br>
<br>
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/<br>
ColdFusion Solutions / eCommerce Development<br>
[EMAIL PROTECTED]<br>
http://www.twcreations.com/<br>
954.721.3452</div>
</body>
</html>
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