/usr/share/perl5/LWP/Authen/Basic.pm is in libwww-perl 6.08-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | package LWP::Authen::Basic;
use strict;
require MIME::Base64;
sub auth_header {
my($class, $user, $pass) = @_;
return "Basic " . MIME::Base64::encode("$user:$pass", "");
}
sub authenticate
{
my($class, $ua, $proxy, $auth_param, $response,
$request, $arg, $size) = @_;
my $realm = $auth_param->{realm} || "";
my $url = $proxy ? $request->{proxy} : $request->uri_canonical;
return $response unless $url;
my $host_port = $url->host_port;
my $auth_header = $proxy ? "Proxy-Authorization" : "Authorization";
my @m = $proxy ? (m_proxy => $url) : (m_host_port => $host_port);
push(@m, realm => $realm);
my $h = $ua->get_my_handler("request_prepare", @m, sub {
$_[0]{callback} = sub {
my($req, $ua, $h) = @_;
my($user, $pass) = $ua->credentials($host_port, $h->{realm});
if (defined $user) {
my $auth_value = $class->auth_header($user, $pass, $req, $ua, $h);
$req->header($auth_header => $auth_value);
}
};
});
$h->{auth_param} = $auth_param;
if (!$proxy && !$request->header($auth_header) && $ua->credentials($host_port, $realm)) {
# we can make sure this handler applies and retry
add_path($h, $url->path);
return $ua->request($request->clone, $arg, $size, $response);
}
my($user, $pass) = $ua->get_basic_credentials($realm, $url, $proxy);
unless (defined $user and defined $pass) {
$ua->set_my_handler("request_prepare", undef, @m); # delete handler
return $response;
}
# check that the password has changed
my ($olduser, $oldpass) = $ua->credentials($host_port, $realm);
return $response if (defined $olduser and defined $oldpass and
$user eq $olduser and $pass eq $oldpass);
$ua->credentials($host_port, $realm, $user, $pass);
add_path($h, $url->path) unless $proxy;
return $ua->request($request->clone, $arg, $size, $response);
}
sub add_path {
my($h, $path) = @_;
$path =~ s,[^/]+\z,,;
push(@{$h->{m_path_prefix}}, $path);
}
1;
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