perl 登录人人，并发送帖子

#!/usr/bin/perl
use strict;
use warnings;
use LWP;
use LWP::Simple;
use LWP::UserAgent;
use HTTP::Cookies;
use HTTP::Headers;
use HTTP::Response;
use Encode;
use URI::Escape;
use URI::URL;
use Data::Dumper;

my $email = 'XXX@XXX';
my $password = 'XXX';
my $domain = 'renren.com';
my $hostid='';
my $requestToken='';
my $rtk='';
my $channel='renren';

my $ua = LWP::UserAgent->new;
$ua->agent("Mozilla/5.0 (Windows NT 6.1; rv:30.0) Gecko/20100101 Firefox/30.0");
my $cookie_jar = HTTP::Cookies->new(
file=>'lwp_cookies.txt',
autosave=>1,
ignore_discard=>1);
$ua->cookie_jar($cookie_jar);

my $login_url = 'http://www.renren.com/PLogin.do';
#发送登录请求
my $res = $ua->post($login_url,{
'email'=>$email,
'password'=>$password,
'domain'=>$domain});
my $homepage;
# 判断响应头里面的location，确定是否登陆成功
if($res->header('Location') eq 'http://www.renren.com/Home.do'){
print 'login ok...',"\n";
$homepage = $ua->get('http://www.renren.com/home');
open RenRen, ">RenRen.html";
print Dumper($homepage);
print RenRen $homepage->{'_content'};
close RenRen;
}else{
exit;
}
#下面是发送帖子的代码
if($homepage->is_success){
my $pagect = $homepage->content;
$pagect =~ /id\s:\s"(\d+)"/g;
$hostid = $1;
$pagect =~ /requestToken\s:\s'(.+)'/g;
$requestToken = $1;
$pagect =~ /_rtk\s:\s'(.+)'/;
$rtk = $1;

}else{
exit;
}
while (1) {
my $purl = 'http://shell.renren.com/'.$hostid.'/status';
my ($sec,$min,$hour,$day,$mon,$year,$wday,$yday,$isdst) = localtime();
$year +=1900;
$mon++;
my $postret = $ua->post($purl,{
'content'=>"$year-$mon-$day $hour:$min:$sec.",
'hostid'=>$hostid,
'requestToken'=>$requestToken,
'_rtk'=>$rtk,
'channel'=>$channel});
if($postret->is_success){
print 'send ok...',"\n";
}else{
print 'fuck!';
}
sleep(10);
}