两个Perl脚本之间的cgi会话 [英] cgi sessions between two Perl scripts

问题描述

在我的网站上使用两个Perl脚本。我在侧面有一个搜索字段，该字段调用第一个脚本，结果写在输出文件中。
下次单击时，用户将调用第二个脚本，该脚本将读取输出文件并基于用户搜索来构建配置文件。
目前我仅在输出文件上写入，但是我需要使用会话ID来个性化此文件。

im using two Perl Scripts in my Website. I got a search field on the side, which invokes the first Script, the result is written in a output File. With the next click, the user invokes the second Script, this one reads the output file and builds a config File based on the user search. At the moment im only writing on output file, but i need to personalise this file with a session id.

我正在尝试使用CGI :: Session，但是我不理解如何使用这两个Perl脚本。我想我需要比较会话ID，并为每个会话编写一个输出文件。

Im trying this with CGI::Session, but I don’t understand how to to this, with these two Perl Scripts. I think i need to compare the session ids, and write a output File for every Session.

你们中的一个知道如何做到吗？

Does one of you know how to do this??

第一个脚本：
Im在文件中写入会话：

First Script: Im Writing the Session in a file:

my $session = new CGI::Session(undef, $cgi, {Directory=>"/usr/local/path/"});

然后将cookie发送给客户端：

Then sending a cookie to the client:

my $cookie = $cgi->cookie(CGISESSID => $session->id );

第二个脚本：
尝试获取会话ID：

Second Script: try to get the Session ID:

$sid = $cgi->cookie("CGISESSID") || undef;
print $sid 

它给出状态：500 。

推荐答案

您需要以将客户端提供会话ID的方式将会话ID传递给客户端在以后的请求中返回给您。

You need to pass the session id to the client in a way that the client will provide it back to you in later requests. This is usually done using cookies.

use utf8;
use open ':std', ':encoding(UTF-8)';

use CGI          qw( -utf8 );
use CGI::Session qw( );

use constant SESSION_DIR    => '...';
use constant SESSION_EXPIRE => '+12h';  # From last use (not creation)

my $cgi = CGI->new();

my $session = CGI::Session->new(
   'driver:file',
   scalar($cgi->cookie('session_id')),
   { Directory => SESSION_DIR },
);
$session->expire(SESSION_EXPIRE);

# Whatever your page does
my $count = $session->param('count');
++$count;
$session->param(count => $count);
my $content = "This is request $count";

print
   $cgi->header(
      -type    => 'text/html',
      -charset => 'UTF-8',
      -cookie => $cgi->cookie(
         -name => 'session_id',
         -value => $session->id,
         -expires => SESSION_EXPIRE,
       ),
   ),
   $content;

这里只显示了一个脚本，但是显然没有什么可以阻止两个脚本访问同一会话（如果他们可以访问同一会话存储）。

There's only one script shown here, but there's obviously nothing stopping two scripts from accessing the same session (if they can access the same session store).

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