69 lines
2.0 KiB
Perl
69 lines
2.0 KiB
Perl
package LWP::Authen::Basic;
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use strict;
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our $VERSION = '6.36';
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require MIME::Base64;
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sub auth_header {
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my($class, $user, $pass) = @_;
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return "Basic " . MIME::Base64::encode("$user:$pass", "");
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}
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sub authenticate
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{
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my($class, $ua, $proxy, $auth_param, $response,
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$request, $arg, $size) = @_;
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my $realm = $auth_param->{realm} || "";
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my $url = $proxy ? $request->{proxy} : $request->uri_canonical;
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return $response unless $url;
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my $host_port = $url->host_port;
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my $auth_header = $proxy ? "Proxy-Authorization" : "Authorization";
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my @m = $proxy ? (m_proxy => $url) : (m_host_port => $host_port);
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push(@m, realm => $realm);
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my $h = $ua->get_my_handler("request_prepare", @m, sub {
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$_[0]{callback} = sub {
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my($req, $ua, $h) = @_;
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my($user, $pass) = $ua->credentials($host_port, $h->{realm});
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if (defined $user) {
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my $auth_value = $class->auth_header($user, $pass, $req, $ua, $h);
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$req->header($auth_header => $auth_value);
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}
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};
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});
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$h->{auth_param} = $auth_param;
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if (!$proxy && !$request->header($auth_header) && $ua->credentials($host_port, $realm)) {
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# we can make sure this handler applies and retry
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add_path($h, $url->path);
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return $ua->request($request->clone, $arg, $size, $response);
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}
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my($user, $pass) = $ua->get_basic_credentials($realm, $url, $proxy);
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unless (defined $user and defined $pass) {
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$ua->set_my_handler("request_prepare", undef, @m); # delete handler
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return $response;
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}
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# check that the password has changed
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my ($olduser, $oldpass) = $ua->credentials($host_port, $realm);
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return $response if (defined $olduser and defined $oldpass and
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$user eq $olduser and $pass eq $oldpass);
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$ua->credentials($host_port, $realm, $user, $pass);
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add_path($h, $url->path) unless $proxy;
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return $ua->request($request->clone, $arg, $size, $response);
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}
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sub add_path {
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my($h, $path) = @_;
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$path =~ s,[^/]+\z,,;
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push(@{$h->{m_path_prefix}}, $path);
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}
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1;
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