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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Max Kanat-Alexander <mkanat@bugzilla.org>
package Bugzilla::Auth::Login::Stack;
use strict;
use base qw(Bugzilla::Auth::Login);
use fields qw(
_stack
successful
);
use Hash::Util qw(lock_keys);
use Bugzilla::Hook;
use Bugzilla::Constants;
use List::MoreUtils qw(any);
sub new {
my $class = shift;
my $self = $class->SUPER::new(@_);
my $list = shift;
my %methods = map { $_ => "Bugzilla/Auth/Login/$_.pm" } split(',', $list);
lock_keys(%methods);
Bugzilla::Hook::process('auth_login_methods', { modules => \%methods });
$self->{_stack} = [];
foreach my $login_method (split(',', $list)) {
my $module = $methods{$login_method};
require $module;
$module =~ s|/|::|g;
$module =~ s/.pm$//;
push(@{$self->{_stack}}, $module->new(@_));
}
return $self;
}
sub get_login_info {
my $self = shift;
my $result;
foreach my $object (@{$self->{_stack}}) {
# See Bugzilla::WebService::Server::JSONRPC for where and why
# auth_no_automatic_login is used.
if (Bugzilla->request_cache->{auth_no_automatic_login}) {
next if $object->is_automatic;
}
$result = $object->get_login_info(@_);
$self->{successful} = $object;
# We only carry on down the stack if this method denied all knowledge.
last unless ($result->{failure}
&& ($result->{failure} eq AUTH_NODATA
|| $result->{failure} eq AUTH_NO_SUCH_USER));
# If none of the methods succeed, it's undef.
$self->{successful} = undef;
}
return $result;
}
sub fail_nodata {
my $self = shift;
# We fail from the bottom of the stack.
my @reverse_stack = reverse @{$self->{_stack}};
foreach my $object (@reverse_stack) {
# We pick the first object that actually has the method
# implemented.
if ($object->can('fail_nodata')) {
$object->fail_nodata(@_);
}
}
}
sub can_login {
my ($self) = @_;
# We return true if any method can log in.
foreach my $object (@{$self->{_stack}}) {
return 1 if $object->can_login;
}
return 0;
}
sub user_can_create_account {
my ($self) = @_;
# We return true if any method allows users to create accounts.
foreach my $object (@{$self->{_stack}}) {
return 1 if $object->user_can_create_account;
}
return 0;
}
sub extern_id_used {
my ($self) = @_;
return any { $_->extern_id_used } @{ $self->{_stack} };
}
1;
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