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| #!/usr/bin/perl -w
use strict;
use URI::URL;
use HTTP::Request;
use HTTP::Response;
use HTTP::Cookies;
require LWP::Parallel::UserAgent;
use POSIX;
use HTTP::Size;
use HTML::Parse qw(parse_html);
#===========================================================================#
# Begin of configuration #
#===========================================================================#
my $arg;
$| = 1;
my $VERSION = "Bot/1.1";
my $ua = LWP::Parallel::UserAgent->new('Mozilla/5.0 (compatible; Bot/1.1');
$ua->max_hosts(400);
$ua->max_req(400);
$ua->wait(0);
$ua->max_redirect(8000000000);
$ua->protocols_allowed( [ 'http' ] );
$ua->protocols_forbidden( [ 'file', 'mailto', 'https', 'ftp', 'socks', 'gopher'] );
$ua->requests_redirectable( [ 'HEAD' ] );
$ua->timeout(2);
$ua->env_proxy;
$ua->remember_failures(1);
$ua->redirect(1);
my $cookie_jar = HTTP::Cookies->new(
file => 'lwp_cookies.dat',
autosave => 1,
);
$ua->cookie_jar($cookie_jar);
#===========================================================================#
# The Robot #
#===========================================================================#
my %urls;
@urls{ @ARGV } = (1) x @ARGV;
robot (keys %urls);
# Ecrire un log d'evenement
BEGIN {
use CGI::Carp qw(carpout);
open(LOG, ">>/log_spider.txt") or die "Impossible d'ouvrir : $!\n";
carpout(*LOG);
}
sub robot
{
foreach my $link ( @_ ) {
my $confirm = verif_link_format($link);
if ( $confirm == 1) {
my $req = HTTP::Request->new( 'GET', $link );
$req->header('Accept' => [
qw(
text/html application/xhtml+xml application/msexcel
application/msword application/pdf application/rtf
application/x-javascript application/x-httpd-php
text/rtf text/nux application/sxc application/sxw
application/sxd application/mdi application/x-httpd-asp
application/x-httpd-aspx application/x-httpd-mspx
application/x-httpd-cfm application/x-httpd-jthml
application/x-httpd-pm )
]
);
my $res = $ua->request($req, $arg, 4096);
if ( $res->is_success ) {
my ($code, $date, $size, %page, $base, $content_type);
$code = $res->content;
$date = date();
$size = size($link);
$base = $res->base;
$content_type = $res->content_type;
%page = (
result => [
"$code", "$link",
"$date", "$size KB",
"$content_type"
]
);
#print "$page{'result'}->[0]\n";
print "=====================\n";
print "$page{'result'}->[1]\n";
print "$page{'result'}->[2]\n";
print "$page{'result'}->[3]\n";
print "$page{'result'}->[4]\n";
print "====================\n";
extor_links($code,$base);
}
}
}
}
#===========================================================================#
# Extract links #
#===========================================================================#
sub extor_links
{
my($url, %saw, @url);
my $html=$_[0];
my $base=$_[1];
foreach ($html) {
my $ht_tree = parse_html($_[0]);
my ($linkpair, $fqurl);
foreach $linkpair (@{$ht_tree->extract_links(qw<a>)}) {
my($link,$elem) = @$linkpair;
push(@url, $fqurl)
unless $saw{ $fqurl = url($link,$base)->abs->as_string }++;
}
my %keys_url = sort keys %saw;
robot(%keys_url);
}
}
#===========================================================================#
# Keep only good extension to extor #
#===========================================================================#
sub verif_link_format
{
foreach my $link_format ( @_ )
{
if ( $link_format =~ m!^http://[_a-zA-Z0-9-]+\.[_a-zA-Z0-9-]+[.a-zA-Z0-9-]*(/~|/?)[/_.a-zA-Z0-9#?&=+-]*$!i) {
return 1;
}
else
{
return 0;
}
}
} |
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: La fonction "Rechercher", on aurait dû la nommer "Retrouver" - 
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