PAL.C.T MINI SHELL
package LWP::Authen::Basic;
use strict;
require MIME::Base64;
sub authenticate
{
my($class, $ua, $proxy, $auth_param, $response,
$request, $arg, $size) = @_;
my($user, $pass) = $ua->get_basic_credentials($auth_param->{realm},
$request->url, $proxy);
return $response unless defined $user and defined $pass;
my $auth_header = $proxy ? "Proxy-Authorization" : "Authorization";
my $auth_value = "Basic " . MIME::Base64::encode("$user:$pass", "");
# Need to check this isn't a repeated fail!
my $r = $response;
while ($r) {
my $auth = $r->request->header($auth_header);
if ($auth && $auth eq $auth_value) {
# here we know this failed before
$response->header("Client-Warning" =>
"Credentials for '$user' failed before");
return $response;
}
$r = $r->previous;
}
my $referral = $request->clone;
$referral->header($auth_header => $auth_value);
return $ua->request($referral, $arg, $size, $response);
}
1;
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