Files
netdisco/lib/App/Netdisco/Web/AuthN.pm
2018-10-21 13:37:27 +01:00

138 lines
4.4 KiB
Perl

package App::Netdisco::Web::AuthN;
use Dancer ':syntax';
use Dancer::Plugin::DBIC;
use Dancer::Plugin::Auth::Extensible;
use MIME::Base64;
hook 'before' => sub {
params->{return_url} ||= ((request->path ne uri_for('/')->path)
? request->uri : uri_for('/inventory')->path);
# from the internals of Dancer::Plugin::Auth::Extensible
my $provider = Dancer::Plugin::Auth::Extensible::auth_provider('users');
if (! session('logged_in_user') && request->path ne uri_for('/login')->path) {
if (setting('trust_x_remote_user')
and scalar request->header('X-REMOTE_USER')
and length scalar request->header('X-REMOTE_USER')) {
(my $user = scalar request->header('X-REMOTE_USER')) =~ s/@[^@]*$//;
return if setting('validate_remote_user')
and not $provider->get_user_details($user);
session(logged_in_user => $user);
session(logged_in_user_realm => 'users');
}
elsif (setting('trust_remote_user')
and defined $ENV{REMOTE_USER}
and length $ENV{REMOTE_USER}) {
(my $user = $ENV{REMOTE_USER}) =~ s/@[^@]*$//;
return if setting('validate_remote_user')
and not $provider->get_user_details($user);
session(logged_in_user => $user);
session(logged_in_user_realm => 'users');
}
elsif (setting('no_auth')) {
session(logged_in_user => 'guest');
session(logged_in_user_realm => 'users');
}
else {
# user has no AuthN - force to handler for '/'
request->path_info('/');
}
}
};
get qr{^/(?:login(?:/denied)?)?} => sub {
template 'index', { return_url => param('return_url') };
};
# override default login_handler so we can log access in the database
post '/login' => sub {
my $mode = (request->is_ajax ? 'WebData'
: request->header('Authorization') ? 'API'
: 'WebUI');
# get authN data from request (HTTP BasicAuth or URL params)
my $authheader = request->header('Authorization');
my ($u, $p) = (param('username'), param('password'));
if (defined $authheader and $authheader =~ /^Basic (.*)$/) {
($u, $p) = split(m/:/, (MIME::Base64::decode($1) || ":"));
}
# test authN
my ($success, $realm) = authenticate_user( $u, $p );
if ($success) {
my $user = schema('netdisco')->resultset('User')
->find({ username => { -ilike => quotemeta(param('username')) } });
session logged_in_user => $user->username;
session logged_in_fullname => $user->fullname;
session logged_in_user_realm => $realm;
schema('netdisco')->resultset('UserLog')->create({
username => session('logged_in_user'),
userip => request->remote_address,
event => "Login ($mode)",
details => param('return_url'),
});
$user->update({ last_on => \'now()' });
return if $mode eq 'WebData';
# if API return a token and record its lifetime
if ($mode eq 'API') {
if (! $user->token_from or ! $user->token or
$user->token_from < (time - setting('api_token_lifetime'))) {
$user->update({
token_from => time,
token => \'md5(random()::text)',
});
}
return 'token:'. $user->token;
}
redirect param('return_url');
}
else {
session->destroy;
schema('netdisco')->resultset('UserLog')->create({
username => param('username'),
userip => request->remote_address,
event => "Login Failure ($mode)",
details => param('return_url'),
});
if ($mode ne 'WebUI') {
status('unauthorized');
}
else {
vars->{login_failed}++;
forward uri_for('/login'),
{ login_failed => 1, return_url => param('return_url') },
{ method => 'GET' };
}
}
};
# we override the default login_handler, so logout has to be handled as well
any ['get', 'post'] => '/logout' => sub {
schema('netdisco')->resultset('UserLog')->create({
username => session('logged_in_user'),
userip => request->remote_address,
event => "Logout",
details => '',
});
session->destroy;
redirect uri_for('/inventory')->path;
};
true;