Help on Perl and Javascript cookie

141 100+

Hi to all

I have doubt on fetch the cookie in perl which is stored in html using javascript.

For that i am using in Javascript

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 <script type="text/javascript">

var exdate=new Date();

var value="rajiv";
 
exdate.setDate(exdate.getDate()+expiredays);
 
document.cookie=c_name+ "=" +escape(value)+

((expiredays==null) ? "" : ";expires="+exdate.toGMTString());

</script>

cookie.pl
----------

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 #!/usr/bin/perl
 
use CGI;
 
my $cgi=new CGI;
 
print $cgi->header;
 
my $cCookie=$cgi->cookie("c_name");
 
print $cCookie;

But the $cCookie has rerurn nothing.

Is any Idea.

Thank u.

Regards

Rajiv

Dec 19 '07 #1

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2173

eWish

971

Expert 512MB

I would use CGI::Cookie rathe than using the JavaScript to set the cookie. You might also want to use Sessions which would be better than cookies.

--Kevin

Dec 19 '07 #2

rajiv07

141

100+

I would use CGI::Cookie rathe than using the JavaScript to set the cookie. You might also want to use Sessions which would be better than cookies.

--Kevin

Hi

Thanks eWish.But i want to get the cookies which is stored in Javascript(html file).Is any idea to get perl vs Javascript cookies interface.

Thank u.

Regards
Rajiv

Dec 20 '07 #3

numberwhun

3,509

Expert Mod 2GB

Hi

Thanks eWish.But i want to get the cookies which is stored in Javascript(html file).Is any idea to get perl vs Javascript cookies interface.

Thank u.

Regards
Rajiv

I think that is kind of what eWish is saying. Instead of using the Javascript to set your cookie and then trying to read it with Perl, why not just handle it all with Perl and CGI, using the the module that eWish provided?

Regards,

Jeff

Dec 20 '07 #4

rajiv07

141

100+

I think that is kind of what eWish is saying. Instead of using the Javascript to set your cookie and then trying to read it with Perl, why not just handle it all with Perl and CGI, using the the module that eWish provided?

Regards,

Jeff

Hi Jeff

Let me explain what i am trying to do.I have two html file and one pl file.

1, referrer.html
2. index.html
3. referrer.pl

Here the referrer.html links to index.html.In index.html has so many html link to display some other details.But there is one link to connect referrer.pl.Here i want to store the referrer URL in the index.html obviously the referrer will be http:/myhost/referrer.html.Here to store the referrer value i am using javascript cookie in index.html.In referrer.pl i will get the stored cookie value and do some calculation.

For this purpose i want PERL and javascript cookie interface.

Is any idea

Thanks.

Regards

Rajiv.

Dec 20 '07 #5

eWish

971

Expert 512MB

Can you show an example of how you are storing the data for the cookies with the referrer url?

Also, since referrers can be spoofed then you might want to consider using sessions and which is much safer and has less vulnerabilities.

--Kevin

Dec 24 '07 #6

Kelicula

176

Expert 100+

If you really want to read the cookie written by javascript, all you need is the CGI module and a little snippet of code.

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#!/usr/bin/perl -T
 
use strict;

use warnings;
 
use CGI;
 
my $q = new CGI;
 
my $cookie = $q->cookie('theCookieName');
 
# Then if you want to do calculations with the cookie 

#data the value of the cookie is stored in "$cookie" variable.

# CGI also has a redirect function:
 
print $q->redirect(-url=>'http://www.someurl.com');
 
# Or you can just print the location header manually.
 
print "Location: http://www.someurl.com\n\n";

It doesn't matter what you used to write the cookie, if there's a cookie there, and it is set to the proper domain,
IE: you will be reading the cookie from your cgi, or cgi-bin now with the referer.pl so you will want to make sure that it is valid for that domain.

BUT!!!!!!!!

Did I say that loud enough?

You should listen to eWish, and use sessions, it's much better!!
Some browsers are able to modify what is sent as the $ENV{'HTTP_REFERER'}; variable.

CGI 101:
Never trust the user input, or the browser.

Please give us your code, and maybe we can help you a little better....

Dec 25 '07 #7

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