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2307 lines
97 KiB
2307 lines
97 KiB
package C4::Auth;
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# Copyright 2000-2002 Katipo Communications
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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use warnings;
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use Carp qw/croak/;
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use Digest::MD5 qw(md5_base64);
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use JSON qw/encode_json/;
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use URI::Escape;
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use CGI::Session;
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require Exporter;
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use C4::Context;
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use C4::Templates; # to get the template
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use C4::Languages;
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use C4::Search::History;
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use Koha;
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use Koha::Caches;
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use Koha::AuthUtils qw(get_script_name hash_password);
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use Koha::Checkouts;
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use Koha::DateUtils qw(dt_from_string);
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use Koha::Library::Groups;
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use Koha::Libraries;
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use Koha::Cash::Registers;
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use Koha::Desks;
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use Koha::Patrons;
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use Koha::Patron::Consents;
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use POSIX qw/strftime/;
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use List::MoreUtils qw/ any /;
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use Encode qw( encode is_utf8);
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use C4::Auth_with_shibboleth;
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use Net::CIDR;
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use C4::Log qw/logaction/;
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# use utf8;
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use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug $ldap $cas $caslogout);
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BEGIN {
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sub psgi_env { any { /^psgi\./ } keys %ENV }
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sub safe_exit {
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if (psgi_env) { die 'psgi:exit' }
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else { exit }
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}
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C4::Context->set_remote_address;
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$debug = $ENV{DEBUG};
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@ISA = qw(Exporter);
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@EXPORT = qw(&checkauth &get_template_and_user &haspermission &get_user_subpermissions);
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@EXPORT_OK = qw(&check_api_auth &get_session &check_cookie_auth &checkpw &checkpw_internal &checkpw_hash
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&get_all_subpermissions &get_user_subpermissions track_login_daily &in_iprange
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);
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%EXPORT_TAGS = ( EditPermissions => [qw(get_all_subpermissions get_user_subpermissions)] );
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$ldap = C4::Context->config('useldapserver') || 0;
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$cas = C4::Context->preference('casAuthentication');
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$caslogout = C4::Context->preference('casLogout');
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require C4::Auth_with_cas; # no import
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if ($ldap) {
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require C4::Auth_with_ldap;
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import C4::Auth_with_ldap qw(checkpw_ldap);
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}
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if ($cas) {
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import C4::Auth_with_cas qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url logout_if_required);
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}
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}
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=head1 NAME
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C4::Auth - Authenticates Koha users
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=head1 SYNOPSIS
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use CGI qw ( -utf8 );
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use C4::Auth;
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use C4::Output;
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my $query = CGI->new;
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my ($template, $borrowernumber, $cookie)
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= get_template_and_user(
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{
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template_name => "opac-main.tt",
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query => $query,
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type => "opac",
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authnotrequired => 0,
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flagsrequired => { catalogue => '*', tools => 'import_patrons' },
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}
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);
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output_html_with_http_headers $query, $cookie, $template->output;
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=head1 DESCRIPTION
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The main function of this module is to provide
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authentification. However the get_template_and_user function has
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been provided so that a users login information is passed along
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automatically. This gets loaded into the template.
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=head1 FUNCTIONS
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=head2 get_template_and_user
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my ($template, $borrowernumber, $cookie)
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= get_template_and_user(
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{
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template_name => "opac-main.tt",
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query => $query,
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type => "opac",
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authnotrequired => 0,
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flagsrequired => { catalogue => '*', tools => 'import_patrons' },
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}
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);
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This call passes the C<query>, C<flagsrequired> and C<authnotrequired>
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to C<&checkauth> (in this module) to perform authentification.
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See C<&checkauth> for an explanation of these parameters.
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The C<template_name> is then used to find the correct template for
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the page. The authenticated users details are loaded onto the
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template in the logged_in_user variable (which is a Koha::Patron object). Also the
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C<sessionID> is passed to the template. This can be used in templates
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if cookies are disabled. It needs to be put as and input to every
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authenticated page.
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More information on the C<gettemplate> sub can be found in the
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Output.pm module.
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=cut
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sub get_template_and_user {
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my $in = shift;
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my ( $user, $cookie, $sessionID, $flags );
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# Get shibboleth login attribute
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my $shib = C4::Context->config('useshibboleth') && shib_ok();
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my $shib_login = $shib ? get_login_shib() : undef;
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C4::Context->interface( $in->{type} );
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$in->{'authnotrequired'} ||= 0;
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# the following call includes a bad template check; might croak
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my $template = C4::Templates::gettemplate(
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$in->{'template_name'},
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$in->{'type'},
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$in->{'query'},
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);
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if ( $in->{'template_name'} !~ m/maintenance/ ) {
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( $user, $cookie, $sessionID, $flags ) = checkauth(
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$in->{'query'},
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$in->{'authnotrequired'},
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$in->{'flagsrequired'},
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$in->{'type'},
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undef,
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$in->{template_name},
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);
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}
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# If we enforce GDPR and the user did not consent, redirect
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# Exceptions for consent page itself and SCI/SCO system
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if( $in->{type} eq 'opac' && $user &&
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$in->{'template_name'} !~ /^(opac-patron-consent|sc[io]\/)/ &&
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C4::Context->preference('GDPR_Policy') eq 'Enforced' )
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{
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my $consent = Koha::Patron::Consents->search({
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borrowernumber => getborrowernumber($user),
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type => 'GDPR_PROCESSING',
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given_on => { '!=', undef },
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})->next;
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if( !$consent ) {
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print $in->{query}->redirect(-uri => '/cgi-bin/koha/opac-patron-consent.pl', -cookie => $cookie);
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safe_exit;
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}
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}
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if ( $in->{type} eq 'opac' && $user ) {
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my $kick_out;
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if (
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# If the user logged in is the SCO user and they try to go out of the SCO module,
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# log the user out removing the CGISESSID cookie
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$in->{template_name} !~ m|sco/| && $in->{template_name} !~ m|errors/errorpage.tt|
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&& C4::Context->preference('AutoSelfCheckID')
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&& $user eq C4::Context->preference('AutoSelfCheckID')
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)
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{
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$kick_out = 1;
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}
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elsif (
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# If the user logged in is the SCI user and they try to go out of the SCI module,
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# kick them out unless it is SCO with a valid permission
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# or they are a superlibrarian
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$in->{template_name} !~ m|sci/|
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&& haspermission( $user, { self_check => 'self_checkin_module' } )
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&& !(
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$in->{template_name} =~ m|sco/| && haspermission(
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$user, { self_check => 'self_checkout_module' }
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)
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)
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&& $flags && $flags->{superlibrarian} != 1
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)
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{
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$kick_out = 1;
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}
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if ($kick_out) {
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$template = C4::Templates::gettemplate( 'opac-auth.tt', 'opac',
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$in->{query} );
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$cookie = $in->{query}->cookie(
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-name => 'CGISESSID',
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-value => '',
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-expires => '',
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-HttpOnly => 1,
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-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
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);
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$template->param(
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loginprompt => 1,
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script_name => get_script_name(),
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);
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print $in->{query}->header(
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{
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type => 'text/html',
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charset => 'utf-8',
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cookie => $cookie,
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'X-Frame-Options' => 'SAMEORIGIN'
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}
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),
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$template->output;
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safe_exit;
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}
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}
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my $borrowernumber;
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if ($user) {
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# It's possible for $user to be the borrowernumber if they don't have a
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# userid defined (and are logging in through some other method, such
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# as SSL certs against an email address)
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my $patron;
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$borrowernumber = getborrowernumber($user) if defined($user);
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if ( !defined($borrowernumber) && defined($user) ) {
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$patron = Koha::Patrons->find( $user );
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if ($patron) {
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$borrowernumber = $user;
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# A bit of a hack, but I don't know there's a nicer way
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# to do it.
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$user = $patron->firstname . ' ' . $patron->surname;
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}
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} else {
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$patron = Koha::Patrons->find( $borrowernumber );
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# FIXME What to do if $patron does not exist?
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}
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# user info
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$template->param( loggedinusername => $user ); # OBSOLETE - Do not reuse this in template, use logged_in_user.userid instead
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$template->param( loggedinusernumber => $borrowernumber ); # FIXME Should be replaced with logged_in_user.borrowernumber
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$template->param( logged_in_user => $patron );
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$template->param( sessionID => $sessionID );
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if ( $in->{'type'} eq 'opac' ) {
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require Koha::Virtualshelves;
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my $some_private_shelves = Koha::Virtualshelves->get_some_shelves(
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{
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borrowernumber => $borrowernumber,
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category => 1,
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}
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);
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my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
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{
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category => 2,
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}
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);
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$template->param(
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some_private_shelves => $some_private_shelves,
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some_public_shelves => $some_public_shelves,
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);
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}
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my $all_perms = get_all_subpermissions();
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my @flagroots = qw(circulate catalogue parameters borrowers permissions reserveforothers borrow
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editcatalogue updatecharges tools editauthorities serials reports acquisition clubs problem_reports);
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# We are going to use the $flags returned by checkauth
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# to create the template's parameters that will indicate
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# which menus the user can access.
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if ( $flags && $flags->{superlibrarian} == 1 ) {
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$template->param( CAN_user_circulate => 1 );
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$template->param( CAN_user_catalogue => 1 );
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$template->param( CAN_user_parameters => 1 );
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$template->param( CAN_user_borrowers => 1 );
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$template->param( CAN_user_permissions => 1 );
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$template->param( CAN_user_reserveforothers => 1 );
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$template->param( CAN_user_editcatalogue => 1 );
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$template->param( CAN_user_updatecharges => 1 );
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$template->param( CAN_user_acquisition => 1 );
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$template->param( CAN_user_suggestions => 1 );
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$template->param( CAN_user_tools => 1 );
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$template->param( CAN_user_editauthorities => 1 );
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$template->param( CAN_user_serials => 1 );
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$template->param( CAN_user_reports => 1 );
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$template->param( CAN_user_staffaccess => 1 );
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$template->param( CAN_user_coursereserves => 1 );
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$template->param( CAN_user_plugins => 1 );
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$template->param( CAN_user_lists => 1 );
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$template->param( CAN_user_clubs => 1 );
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$template->param( CAN_user_ill => 1 );
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$template->param( CAN_user_stockrotation => 1 );
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$template->param( CAN_user_cash_management => 1 );
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$template->param( CAN_user_problem_reports => 1 );
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foreach my $module ( keys %$all_perms ) {
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foreach my $subperm ( keys %{ $all_perms->{$module} } ) {
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$template->param( "CAN_user_${module}_${subperm}" => 1 );
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}
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}
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}
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if ($flags) {
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foreach my $module ( keys %$all_perms ) {
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if ( defined($flags->{$module}) && $flags->{$module} == 1 ) {
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foreach my $subperm ( keys %{ $all_perms->{$module} } ) {
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$template->param( "CAN_user_${module}_${subperm}" => 1 );
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}
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} elsif ( ref( $flags->{$module} ) ) {
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foreach my $subperm ( keys %{ $flags->{$module} } ) {
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$template->param( "CAN_user_${module}_${subperm}" => 1 );
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}
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}
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}
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}
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if ($flags) {
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foreach my $module ( keys %$flags ) {
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if ( $flags->{$module} == 1 or ref( $flags->{$module} ) ) {
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$template->param( "CAN_user_$module" => 1 );
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}
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}
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}
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# Logged-in opac search history
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# If the requested template is an opac one and opac search history is enabled
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if ( $in->{type} eq 'opac' && C4::Context->preference('EnableOpacSearchHistory') ) {
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my $dbh = C4::Context->dbh;
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my $query = "SELECT COUNT(*) FROM search_history WHERE userid=?";
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my $sth = $dbh->prepare($query);
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$sth->execute($borrowernumber);
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# If at least one search has already been performed
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if ( $sth->fetchrow_array > 0 ) {
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# We show the link in opac
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$template->param( EnableOpacSearchHistory => 1 );
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}
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if (C4::Context->preference('LoadSearchHistoryToTheFirstLoggedUser'))
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{
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# And if there are searches performed when the user was not logged in,
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# we add them to the logged-in search history
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my @recentSearches = C4::Search::History::get_from_session( { cgi => $in->{'query'} } );
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if (@recentSearches) {
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my $dbh = C4::Context->dbh;
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my $query = q{
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INSERT INTO search_history(userid, sessionid, query_desc, query_cgi, type, total, time )
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VALUES (?, ?, ?, ?, ?, ?, ?)
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};
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my $sth = $dbh->prepare($query);
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$sth->execute( $borrowernumber,
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$in->{query}->cookie("CGISESSID"),
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$_->{query_desc},
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$_->{query_cgi},
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$_->{type} || 'biblio',
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$_->{total},
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$_->{time},
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) foreach @recentSearches;
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# clear out the search history from the session now that
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# we've saved it to the database
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}
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}
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C4::Search::History::set_to_session( { cgi => $in->{'query'}, search_history => [] } );
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} elsif ( $in->{type} eq 'intranet' and C4::Context->preference('EnableSearchHistory') ) {
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$template->param( EnableSearchHistory => 1 );
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}
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}
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else { # if this is an anonymous session, setup to display public lists...
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# If shibboleth is enabled, and we're in an anonymous session, we should allow
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# the user to attempt login via shibboleth.
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if ($shib) {
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$template->param( shibbolethAuthentication => $shib,
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shibbolethLoginUrl => login_shib_url( $in->{'query'} ),
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);
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# If shibboleth is enabled and we have a shibboleth login attribute,
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# but we are in an anonymous session, then we clearly have an invalid
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# shibboleth koha account.
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if ($shib_login) {
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$template->param( invalidShibLogin => '1' );
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}
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}
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$template->param( sessionID => $sessionID );
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if ( $in->{'type'} eq 'opac' ){
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require Koha::Virtualshelves;
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my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
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{
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category => 2,
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}
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);
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$template->param(
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some_public_shelves => $some_public_shelves,
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);
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}
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}
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# Sysprefs disabled via URL param
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# Note that value must be defined in order to override via ENV
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foreach my $syspref (
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qw(
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OPACUserCSS
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OPACUserJS
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IntranetUserCSS
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IntranetUserJS
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OpacAdditionalStylesheet
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opaclayoutstylesheet
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intranetcolorstylesheet
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intranetstylesheet
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)
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)
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{
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$ENV{"OVERRIDE_SYSPREF_$syspref"} = q{}
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if $in->{'query'}->param("DISABLE_SYSPREF_$syspref");
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}
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# Anonymous opac search history
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# If opac search history is enabled and at least one search has already been performed
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if ( C4::Context->preference('EnableOpacSearchHistory') ) {
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my @recentSearches = C4::Search::History::get_from_session( { cgi => $in->{'query'} } );
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if (@recentSearches) {
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$template->param( EnableOpacSearchHistory => 1 );
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}
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}
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if ( C4::Context->preference('dateformat') ) {
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$template->param( dateformat => C4::Context->preference('dateformat') );
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}
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$template->param(auth_forwarded_hash => scalar $in->{'query'}->param('auth_forwarded_hash'));
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# these template parameters are set the same regardless of $in->{'type'}
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my $minPasswordLength = C4::Context->preference('minPasswordLength');
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$minPasswordLength = 3 if not $minPasswordLength or $minPasswordLength < 3;
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$template->param(
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"BiblioDefaultView" . C4::Context->preference("BiblioDefaultView") => 1,
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EnhancedMessagingPreferences => C4::Context->preference('EnhancedMessagingPreferences'),
|
|
GoogleJackets => C4::Context->preference("GoogleJackets"),
|
|
OpenLibraryCovers => C4::Context->preference("OpenLibraryCovers"),
|
|
KohaAdminEmailAddress => "" . C4::Context->preference("KohaAdminEmailAddress"),
|
|
LoginFirstname => ( C4::Context->userenv ? C4::Context->userenv->{"firstname"} : "Bel" ),
|
|
LoginSurname => C4::Context->userenv ? C4::Context->userenv->{"surname"} : "Inconnu",
|
|
emailaddress => C4::Context->userenv ? C4::Context->userenv->{"emailaddress"} : undef,
|
|
TagsEnabled => C4::Context->preference("TagsEnabled"),
|
|
hide_marc => C4::Context->preference("hide_marc"),
|
|
item_level_itypes => C4::Context->preference('item-level_itypes'),
|
|
patronimages => C4::Context->preference("patronimages"),
|
|
singleBranchMode => ( Koha::Libraries->search->count == 1 ),
|
|
XSLTDetailsDisplay => C4::Context->preference("XSLTDetailsDisplay"),
|
|
XSLTResultsDisplay => C4::Context->preference("XSLTResultsDisplay"),
|
|
noItemTypeImages => C4::Context->preference("noItemTypeImages"),
|
|
marcflavour => C4::Context->preference("marcflavour"),
|
|
OPACBaseURL => C4::Context->preference('OPACBaseURL'),
|
|
minPasswordLength => $minPasswordLength,
|
|
);
|
|
if ( $in->{'type'} eq "intranet" ) {
|
|
$template->param(
|
|
AmazonCoverImages => C4::Context->preference("AmazonCoverImages"),
|
|
AutoLocation => C4::Context->preference("AutoLocation"),
|
|
"BiblioDefaultView" . C4::Context->preference("IntranetBiblioDefaultView") => 1,
|
|
PatronAutoComplete => C4::Context->preference("PatronAutoComplete"),
|
|
FRBRizeEditions => C4::Context->preference("FRBRizeEditions"),
|
|
IndependentBranches => C4::Context->preference("IndependentBranches"),
|
|
IntranetNav => C4::Context->preference("IntranetNav"),
|
|
IntranetmainUserblock => C4::Context->preference("IntranetmainUserblock"),
|
|
LibraryName => C4::Context->preference("LibraryName"),
|
|
advancedMARCEditor => C4::Context->preference("advancedMARCEditor"),
|
|
canreservefromotherbranches => C4::Context->preference('canreservefromotherbranches'),
|
|
intranetcolorstylesheet => C4::Context->preference("intranetcolorstylesheet"),
|
|
IntranetFavicon => C4::Context->preference("IntranetFavicon"),
|
|
intranetreadinghistory => C4::Context->preference("intranetreadinghistory"),
|
|
intranetstylesheet => C4::Context->preference("intranetstylesheet"),
|
|
IntranetUserCSS => C4::Context->preference("IntranetUserCSS"),
|
|
IntranetUserJS => C4::Context->preference("IntranetUserJS"),
|
|
suggestion => C4::Context->preference("suggestion"),
|
|
virtualshelves => C4::Context->preference("virtualshelves"),
|
|
StaffSerialIssueDisplayCount => C4::Context->preference("StaffSerialIssueDisplayCount"),
|
|
EasyAnalyticalRecords => C4::Context->preference('EasyAnalyticalRecords'),
|
|
LocalCoverImages => C4::Context->preference('LocalCoverImages'),
|
|
OPACLocalCoverImages => C4::Context->preference('OPACLocalCoverImages'),
|
|
AllowMultipleCovers => C4::Context->preference('AllowMultipleCovers'),
|
|
EnableBorrowerFiles => C4::Context->preference('EnableBorrowerFiles'),
|
|
UseCourseReserves => C4::Context->preference("UseCourseReserves"),
|
|
useDischarge => C4::Context->preference('useDischarge'),
|
|
pending_checkout_notes => scalar Koha::Checkouts->search({ noteseen => 0 }),
|
|
);
|
|
}
|
|
else {
|
|
warn "template type should be OPAC, here it is=[" . $in->{'type'} . "]" unless ( $in->{'type'} eq 'opac' );
|
|
|
|
#TODO : replace LibraryName syspref with 'system name', and remove this html processing
|
|
my $LibraryNameTitle = C4::Context->preference("LibraryName");
|
|
$LibraryNameTitle =~ s/<(?:\/?)(?:br|p)\s*(?:\/?)>/ /sgi;
|
|
$LibraryNameTitle =~ s/<(?:[^<>'"]|'(?:[^']*)'|"(?:[^"]*)")*>//sg;
|
|
|
|
# clean up the busc param in the session
|
|
# if the page is not opac-detail and not the "add to list" page
|
|
# and not the "edit comments" page
|
|
if ( C4::Context->preference("OpacBrowseResults")
|
|
&& $in->{'template_name'} =~ /opac-(.+)\.(?:tt|tmpl)$/ ) {
|
|
my $pagename = $1;
|
|
unless ( $pagename =~ /^(?:MARC|ISBD)?detail$/
|
|
or $pagename =~ /^addbybiblionumber$/
|
|
or $pagename =~ /^review$/ ) {
|
|
my $sessionSearch = get_session( $sessionID || $in->{'query'}->cookie("CGISESSID") );
|
|
$sessionSearch->clear( ["busc"] ) if ( $sessionSearch->param("busc") );
|
|
}
|
|
}
|
|
|
|
# variables passed from CGI: opac_css_override and opac_search_limits.
|
|
my $opac_search_limit = $ENV{'OPAC_SEARCH_LIMIT'};
|
|
my $opac_limit_override = $ENV{'OPAC_LIMIT_OVERRIDE'};
|
|
my $opac_name = '';
|
|
if (
|
|
( $opac_limit_override && $opac_search_limit && $opac_search_limit =~ /branch:([\w-]+)/ ) ||
|
|
( $in->{'query'}->param('limit') && $in->{'query'}->param('limit') =~ /branch:([\w-]+)/ ) ||
|
|
( $in->{'query'}->param('multibranchlimit') && $in->{'query'}->param('multibranchlimit') =~ /multibranchlimit-(\w+)/ )
|
|
) {
|
|
$opac_name = $1; # opac_search_limit is a branch, so we use it.
|
|
} elsif ( $in->{'query'}->param('multibranchlimit') ) {
|
|
$opac_name = $in->{'query'}->param('multibranchlimit');
|
|
} elsif ( C4::Context->preference("SearchMyLibraryFirst") && C4::Context->userenv && C4::Context->userenv->{'branch'} ) {
|
|
$opac_name = C4::Context->userenv->{'branch'};
|
|
}
|
|
|
|
my @search_groups = Koha::Library::Groups->get_search_groups({ interface => 'opac' });
|
|
$template->param(
|
|
AnonSuggestions => "" . C4::Context->preference("AnonSuggestions"),
|
|
LibrarySearchGroups => \@search_groups,
|
|
opac_name => $opac_name,
|
|
LibraryName => "" . C4::Context->preference("LibraryName"),
|
|
LibraryNameTitle => "" . $LibraryNameTitle,
|
|
OPACAmazonCoverImages => C4::Context->preference("OPACAmazonCoverImages"),
|
|
OPACFRBRizeEditions => C4::Context->preference("OPACFRBRizeEditions"),
|
|
OpacHighlightedWords => C4::Context->preference("OpacHighlightedWords"),
|
|
OPACShelfBrowser => "" . C4::Context->preference("OPACShelfBrowser"),
|
|
OPACURLOpenInNewWindow => "" . C4::Context->preference("OPACURLOpenInNewWindow"),
|
|
OPACUserCSS => "" . C4::Context->preference("OPACUserCSS"),
|
|
OpacAuthorities => C4::Context->preference("OpacAuthorities"),
|
|
opac_css_override => $ENV{'OPAC_CSS_OVERRIDE'},
|
|
opac_search_limit => $opac_search_limit,
|
|
opac_limit_override => $opac_limit_override,
|
|
OpacBrowser => C4::Context->preference("OpacBrowser"),
|
|
OpacCloud => C4::Context->preference("OpacCloud"),
|
|
OpacKohaUrl => C4::Context->preference("OpacKohaUrl"),
|
|
OpacNav => "" . C4::Context->preference("OpacNav"),
|
|
OpacNavBottom => "" . C4::Context->preference("OpacNavBottom"),
|
|
OpacPasswordChange => C4::Context->preference("OpacPasswordChange"),
|
|
OPACPatronDetails => C4::Context->preference("OPACPatronDetails"),
|
|
OPACPrivacy => C4::Context->preference("OPACPrivacy"),
|
|
OPACFinesTab => C4::Context->preference("OPACFinesTab"),
|
|
OpacTopissue => C4::Context->preference("OpacTopissue"),
|
|
RequestOnOpac => C4::Context->preference("RequestOnOpac"),
|
|
'Version' => C4::Context->preference('Version'),
|
|
hidelostitems => C4::Context->preference("hidelostitems"),
|
|
mylibraryfirst => ( C4::Context->preference("SearchMyLibraryFirst") && C4::Context->userenv ) ? C4::Context->userenv->{'branch'} : '',
|
|
opacbookbag => "" . C4::Context->preference("opacbookbag"),
|
|
OpacFavicon => C4::Context->preference("OpacFavicon"),
|
|
opaclanguagesdisplay => "" . C4::Context->preference("opaclanguagesdisplay"),
|
|
opacreadinghistory => C4::Context->preference("opacreadinghistory"),
|
|
OPACUserJS => C4::Context->preference("OPACUserJS"),
|
|
opacuserlogin => "" . C4::Context->preference("opacuserlogin"),
|
|
OpenLibrarySearch => C4::Context->preference("OpenLibrarySearch"),
|
|
ShowReviewer => C4::Context->preference("ShowReviewer"),
|
|
ShowReviewerPhoto => C4::Context->preference("ShowReviewerPhoto"),
|
|
suggestion => "" . C4::Context->preference("suggestion"),
|
|
virtualshelves => "" . C4::Context->preference("virtualshelves"),
|
|
OPACSerialIssueDisplayCount => C4::Context->preference("OPACSerialIssueDisplayCount"),
|
|
OPACXSLTDetailsDisplay => C4::Context->preference("OPACXSLTDetailsDisplay"),
|
|
OPACXSLTResultsDisplay => C4::Context->preference("OPACXSLTResultsDisplay"),
|
|
SyndeticsClientCode => C4::Context->preference("SyndeticsClientCode"),
|
|
SyndeticsEnabled => C4::Context->preference("SyndeticsEnabled"),
|
|
SyndeticsCoverImages => C4::Context->preference("SyndeticsCoverImages"),
|
|
SyndeticsTOC => C4::Context->preference("SyndeticsTOC"),
|
|
SyndeticsSummary => C4::Context->preference("SyndeticsSummary"),
|
|
SyndeticsEditions => C4::Context->preference("SyndeticsEditions"),
|
|
SyndeticsExcerpt => C4::Context->preference("SyndeticsExcerpt"),
|
|
SyndeticsReviews => C4::Context->preference("SyndeticsReviews"),
|
|
SyndeticsAuthorNotes => C4::Context->preference("SyndeticsAuthorNotes"),
|
|
SyndeticsAwards => C4::Context->preference("SyndeticsAwards"),
|
|
SyndeticsSeries => C4::Context->preference("SyndeticsSeries"),
|
|
SyndeticsCoverImageSize => C4::Context->preference("SyndeticsCoverImageSize"),
|
|
OPACLocalCoverImages => C4::Context->preference("OPACLocalCoverImages"),
|
|
PatronSelfRegistration => C4::Context->preference("PatronSelfRegistration"),
|
|
PatronSelfRegistrationDefaultCategory => C4::Context->preference("PatronSelfRegistrationDefaultCategory"),
|
|
useDischarge => C4::Context->preference('useDischarge'),
|
|
);
|
|
|
|
$template->param( OpacPublic => '1' ) if ( $user || C4::Context->preference("OpacPublic") );
|
|
}
|
|
|
|
# Check if we were asked using parameters to force a specific language
|
|
if ( defined $in->{'query'}->param('language') ) {
|
|
|
|
# Extract the language, let C4::Languages::getlanguage choose
|
|
# what to do
|
|
my $language = C4::Languages::getlanguage( $in->{'query'} );
|
|
my $languagecookie = C4::Templates::getlanguagecookie( $in->{'query'}, $language );
|
|
if ( ref $cookie eq 'ARRAY' ) {
|
|
push @{$cookie}, $languagecookie;
|
|
} else {
|
|
$cookie = [ $cookie, $languagecookie ];
|
|
}
|
|
}
|
|
|
|
return ( $template, $borrowernumber, $cookie, $flags );
|
|
}
|
|
|
|
=head2 checkauth
|
|
|
|
($userid, $cookie, $sessionID) = &checkauth($query, $noauth, $flagsrequired, $type);
|
|
|
|
Verifies that the user is authorized to run this script. If
|
|
the user is authorized, a (userid, cookie, session-id, flags)
|
|
quadruple is returned. If the user is not authorized but does
|
|
not have the required privilege (see $flagsrequired below), it
|
|
displays an error page and exits. Otherwise, it displays the
|
|
login page and exits.
|
|
|
|
Note that C<&checkauth> will return if and only if the user
|
|
is authorized, so it should be called early on, before any
|
|
unfinished operations (e.g., if you've opened a file, then
|
|
C<&checkauth> won't close it for you).
|
|
|
|
C<$query> is the CGI object for the script calling C<&checkauth>.
|
|
|
|
The C<$noauth> argument is optional. If it is set, then no
|
|
authorization is required for the script.
|
|
|
|
C<&checkauth> fetches user and session information from C<$query> and
|
|
ensures that the user is authorized to run scripts that require
|
|
authorization.
|
|
|
|
The C<$flagsrequired> argument specifies the required privileges
|
|
the user must have if the username and password are correct.
|
|
It should be specified as a reference-to-hash; keys in the hash
|
|
should be the "flags" for the user, as specified in the Members
|
|
intranet module. Any key specified must correspond to a "flag"
|
|
in the userflags table. E.g., { circulate => 1 } would specify
|
|
that the user must have the "circulate" privilege in order to
|
|
proceed. To make sure that access control is correct, the
|
|
C<$flagsrequired> parameter must be specified correctly.
|
|
|
|
Koha also has a concept of sub-permissions, also known as
|
|
granular permissions. This makes the value of each key
|
|
in the C<flagsrequired> hash take on an additional
|
|
meaning, i.e.,
|
|
|
|
1
|
|
|
|
The user must have access to all subfunctions of the module
|
|
specified by the hash key.
|
|
|
|
*
|
|
|
|
The user must have access to at least one subfunction of the module
|
|
specified by the hash key.
|
|
|
|
specific permission, e.g., 'export_catalog'
|
|
|
|
The user must have access to the specific subfunction list, which
|
|
must correspond to a row in the permissions table.
|
|
|
|
The C<$type> argument specifies whether the template should be
|
|
retrieved from the opac or intranet directory tree. "opac" is
|
|
assumed if it is not specified; however, if C<$type> is specified,
|
|
"intranet" is assumed if it is not "opac".
|
|
|
|
If C<$query> does not have a valid session ID associated with it
|
|
(i.e., the user has not logged in) or if the session has expired,
|
|
C<&checkauth> presents the user with a login page (from the point of
|
|
view of the original script, C<&checkauth> does not return). Once the
|
|
user has authenticated, C<&checkauth> restarts the original script
|
|
(this time, C<&checkauth> returns).
|
|
|
|
The login page is provided using a HTML::Template, which is set in the
|
|
systempreferences table or at the top of this file. The variable C<$type>
|
|
selects which template to use, either the opac or the intranet
|
|
authentification template.
|
|
|
|
C<&checkauth> returns a user ID, a cookie, and a session ID. The
|
|
cookie should be sent back to the browser; it verifies that the user
|
|
has authenticated.
|
|
|
|
=cut
|
|
|
|
sub _version_check {
|
|
my $type = shift;
|
|
my $query = shift;
|
|
my $version;
|
|
|
|
# If version syspref is unavailable, it means Koha is being installed,
|
|
# and so we must redirect to OPAC maintenance page or to the WebInstaller
|
|
# also, if OpacMaintenance is ON, OPAC should redirect to maintenance
|
|
if ( C4::Context->preference('OpacMaintenance') && $type eq 'opac' ) {
|
|
warn "OPAC Install required, redirecting to maintenance";
|
|
print $query->redirect("/cgi-bin/koha/maintenance.pl");
|
|
safe_exit;
|
|
}
|
|
unless ( $version = C4::Context->preference('Version') ) { # assignment, not comparison
|
|
if ( $type ne 'opac' ) {
|
|
warn "Install required, redirecting to Installer";
|
|
print $query->redirect("/cgi-bin/koha/installer/install.pl");
|
|
} else {
|
|
warn "OPAC Install required, redirecting to maintenance";
|
|
print $query->redirect("/cgi-bin/koha/maintenance.pl");
|
|
}
|
|
safe_exit;
|
|
}
|
|
|
|
# check that database and koha version are the same
|
|
# there is no DB version, it's a fresh install,
|
|
# go to web installer
|
|
# there is a DB version, compare it to the code version
|
|
my $kohaversion = Koha::version();
|
|
|
|
# remove the 3 last . to have a Perl number
|
|
$kohaversion =~ s/(.*\..*)\.(.*)\.(.*)/$1$2$3/;
|
|
$debug and print STDERR "kohaversion : $kohaversion\n";
|
|
if ( $version < $kohaversion ) {
|
|
my $warning = "Database update needed, redirecting to %s. Database is $version and Koha is $kohaversion";
|
|
if ( $type ne 'opac' ) {
|
|
warn sprintf( $warning, 'Installer' );
|
|
print $query->redirect("/cgi-bin/koha/installer/install.pl?step=1&op=updatestructure");
|
|
} else {
|
|
warn sprintf( "OPAC: " . $warning, 'maintenance' );
|
|
print $query->redirect("/cgi-bin/koha/maintenance.pl");
|
|
}
|
|
safe_exit;
|
|
}
|
|
}
|
|
|
|
sub _session_log {
|
|
(@_) or return 0;
|
|
open my $fh, '>>', "/tmp/sessionlog" or warn "ERROR: Cannot append to /tmp/sessionlog";
|
|
printf $fh join( "\n", @_ );
|
|
close $fh;
|
|
}
|
|
|
|
sub _timeout_syspref {
|
|
my $default_timeout = 600;
|
|
my $timeout = C4::Context->preference('timeout') || $default_timeout;
|
|
|
|
# value in days, convert in seconds
|
|
if ( $timeout =~ /^(\d+)[dD]$/ ) {
|
|
$timeout = $1 * 86400;
|
|
}
|
|
# value in hours, convert in seconds
|
|
elsif ( $timeout =~ /^(\d+)[hH]$/ ) {
|
|
$timeout = $1 * 3600;
|
|
}
|
|
elsif ( $timeout !~ m/^\d+$/ ) {
|
|
warn "The value of the system preference 'timeout' is not correct, defaulting to $default_timeout";
|
|
$timeout = $default_timeout;
|
|
}
|
|
|
|
return $timeout;
|
|
}
|
|
|
|
sub checkauth {
|
|
my $query = shift;
|
|
$debug and warn "Checking Auth";
|
|
|
|
# Get shibboleth login attribute
|
|
my $shib = C4::Context->config('useshibboleth') && shib_ok();
|
|
my $shib_login = $shib ? get_login_shib() : undef;
|
|
|
|
# $authnotrequired will be set for scripts which will run without authentication
|
|
my $authnotrequired = shift;
|
|
my $flagsrequired = shift;
|
|
my $type = shift;
|
|
my $emailaddress = shift;
|
|
my $template_name = shift;
|
|
$type = 'opac' unless $type;
|
|
|
|
unless ( C4::Context->preference("OpacPublic") ) {
|
|
my @allowed_scripts_for_private_opac = qw(
|
|
opac-memberentry.tt
|
|
opac-registration-email-sent.tt
|
|
opac-registration-confirmation.tt
|
|
opac-memberentry-update-submitted.tt
|
|
opac-password-recovery.tt
|
|
);
|
|
$authnotrequired = 0 unless grep { $_ eq $template_name }
|
|
@allowed_scripts_for_private_opac;
|
|
}
|
|
|
|
my $dbh = C4::Context->dbh;
|
|
my $timeout = _timeout_syspref();
|
|
|
|
_version_check( $type, $query );
|
|
|
|
# state variables
|
|
my $loggedin = 0;
|
|
my %info;
|
|
my ( $userid, $cookie, $sessionID, $flags );
|
|
my $logout = $query->param('logout.x');
|
|
|
|
my $anon_search_history;
|
|
my $cas_ticket = '';
|
|
# This parameter is the name of the CAS server we want to authenticate against,
|
|
# when using authentication against multiple CAS servers, as configured in Auth_cas_servers.yaml
|
|
my $casparam = $query->param('cas');
|
|
my $q_userid = $query->param('userid') // '';
|
|
|
|
my $session;
|
|
|
|
# Basic authentication is incompatible with the use of Shibboleth,
|
|
# as Shibboleth may return REMOTE_USER as a Shibboleth attribute,
|
|
# and it may not be the attribute we want to use to match the koha login.
|
|
#
|
|
# Also, do not consider an empty REMOTE_USER.
|
|
#
|
|
# Finally, after those tests, we can assume (although if it would be better with
|
|
# a syspref) that if we get a REMOTE_USER, that's from basic authentication,
|
|
# and we can affect it to $userid.
|
|
if ( !$shib and defined( $ENV{'REMOTE_USER'} ) and $ENV{'REMOTE_USER'} ne '' and $userid = $ENV{'REMOTE_USER'} ) {
|
|
|
|
# Using Basic Authentication, no cookies required
|
|
$cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => '',
|
|
-expires => '',
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
$loggedin = 1;
|
|
}
|
|
elsif ( $emailaddress) {
|
|
# the Google OpenID Connect passes an email address
|
|
}
|
|
elsif ( $sessionID = $query->cookie("CGISESSID") )
|
|
{ # assignment, not comparison
|
|
$session = get_session($sessionID);
|
|
C4::Context->_new_userenv($sessionID);
|
|
my ( $ip, $lasttime, $sessiontype );
|
|
my $s_userid = '';
|
|
if ($session) {
|
|
$s_userid = $session->param('id') // '';
|
|
C4::Context->set_userenv(
|
|
$session->param('number'), $s_userid,
|
|
$session->param('cardnumber'), $session->param('firstname'),
|
|
$session->param('surname'), $session->param('branch'),
|
|
$session->param('branchname'), $session->param('flags'),
|
|
$session->param('emailaddress'), $session->param('shibboleth'),
|
|
$session->param('desk_id'), $session->param('desk_name'),
|
|
$session->param('register_id'), $session->param('register_name')
|
|
);
|
|
C4::Context::set_shelves_userenv( 'bar', $session->param('barshelves') );
|
|
C4::Context::set_shelves_userenv( 'pub', $session->param('pubshelves') );
|
|
C4::Context::set_shelves_userenv( 'tot', $session->param('totshelves') );
|
|
$debug and printf STDERR "AUTH_SESSION: (%s)\t%s %s - %s\n", map { $session->param($_) } qw(cardnumber firstname surname branch);
|
|
$ip = $session->param('ip');
|
|
$lasttime = $session->param('lasttime');
|
|
$userid = $s_userid;
|
|
$sessiontype = $session->param('sessiontype') || '';
|
|
}
|
|
if ( ( $query->param('koha_login_context') && ( $q_userid ne $s_userid ) )
|
|
|| ( $cas && $query->param('ticket') && !C4::Context->userenv->{'id'} )
|
|
|| ( $shib && $shib_login && !$logout && !C4::Context->userenv->{'id'} )
|
|
) {
|
|
|
|
#if a user enters an id ne to the id in the current session, we need to log them in...
|
|
#first we need to clear the anonymous session...
|
|
$debug and warn "query id = $q_userid but session id = $s_userid";
|
|
$anon_search_history = $session->param('search_history');
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$sessionID = undef;
|
|
$userid = undef;
|
|
}
|
|
elsif ($logout) {
|
|
|
|
# voluntary logout the user
|
|
# check wether the user was using their shibboleth session or a local one
|
|
my $shibSuccess = C4::Context->userenv->{'shibboleth'};
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
|
|
#_session_log(sprintf "%20s from %16s logged out at %30s (manually).\n", $userid,$ip,(strftime "%c",localtime));
|
|
$sessionID = undef;
|
|
$userid = undef;
|
|
|
|
if ($cas and $caslogout) {
|
|
logout_cas($query, $type);
|
|
}
|
|
|
|
# If we are in a shibboleth session (shibboleth is enabled, a shibboleth match attribute is set and matches koha matchpoint)
|
|
if ( $shib and $shib_login and $shibSuccess) {
|
|
logout_shib($query);
|
|
}
|
|
}
|
|
elsif ( !$lasttime || ( $lasttime < time() - $timeout ) ) {
|
|
|
|
# timed logout
|
|
$info{'timed_out'} = 1;
|
|
if ($session) {
|
|
$session->delete();
|
|
$session->flush;
|
|
}
|
|
C4::Context->_unset_userenv($sessionID);
|
|
|
|
#_session_log(sprintf "%20s from %16s logged out at %30s (inactivity).\n", $userid,$ip,(strftime "%c",localtime));
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
}
|
|
elsif ( C4::Context->preference('SessionRestrictionByIP') && $ip ne $ENV{'REMOTE_ADDR'} ) {
|
|
|
|
# Different ip than originally logged in from
|
|
$info{'oldip'} = $ip;
|
|
$info{'newip'} = $ENV{'REMOTE_ADDR'};
|
|
$info{'different_ip'} = 1;
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
|
|
#_session_log(sprintf "%20s from %16s logged out at %30s (ip changed to %16s).\n", $userid,$ip,(strftime "%c",localtime), $info{'newip'});
|
|
$sessionID = undef;
|
|
$userid = undef;
|
|
}
|
|
else {
|
|
$cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => $session->id,
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
$session->param( 'lasttime', time() );
|
|
unless ( $sessiontype && $sessiontype eq 'anon' ) { #if this is an anonymous session, we want to update the session, but not behave as if they are logged in...
|
|
$flags = haspermission( $userid, $flagsrequired );
|
|
if ($flags) {
|
|
$loggedin = 1;
|
|
} else {
|
|
$info{'nopermission'} = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
unless ( $userid || $sessionID ) {
|
|
#we initiate a session prior to checking for a username to allow for anonymous sessions...
|
|
my $session = get_session("") or die "Auth ERROR: Cannot get_session()";
|
|
|
|
# Save anonymous search history in new session so it can be retrieved
|
|
# by get_template_and_user to store it in user's search history after
|
|
# a successful login.
|
|
if ($anon_search_history) {
|
|
$session->param( 'search_history', $anon_search_history );
|
|
}
|
|
|
|
$sessionID = $session->id;
|
|
C4::Context->_new_userenv($sessionID);
|
|
$cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => $session->id,
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
my $pki_field = C4::Context->preference('AllowPKIAuth');
|
|
if ( !defined($pki_field) ) {
|
|
print STDERR "ERROR: Missing system preference AllowPKIAuth.\n";
|
|
$pki_field = 'None';
|
|
}
|
|
if ( ( $cas && $query->param('ticket') )
|
|
|| $q_userid
|
|
|| ( $shib && $shib_login )
|
|
|| $pki_field ne 'None'
|
|
|| $emailaddress )
|
|
{
|
|
my $password = $query->param('password');
|
|
my $shibSuccess = 0;
|
|
my ( $return, $cardnumber );
|
|
|
|
# If shib is enabled and we have a shib login, does the login match a valid koha user
|
|
if ( $shib && $shib_login ) {
|
|
my $retuserid;
|
|
|
|
# Do not pass password here, else shib will not be checked in checkpw.
|
|
( $return, $cardnumber, $retuserid ) = checkpw( $dbh, $q_userid, undef, $query );
|
|
$userid = $retuserid;
|
|
$shibSuccess = $return;
|
|
$info{'invalidShibLogin'} = 1 unless ($return);
|
|
}
|
|
|
|
# If shib login and match were successful, skip further login methods
|
|
unless ($shibSuccess) {
|
|
if ( $cas && $query->param('ticket') ) {
|
|
my $retuserid;
|
|
( $return, $cardnumber, $retuserid, $cas_ticket ) =
|
|
checkpw( $dbh, $userid, $password, $query, $type );
|
|
$userid = $retuserid;
|
|
$info{'invalidCasLogin'} = 1 unless ($return);
|
|
}
|
|
|
|
elsif ( $emailaddress ) {
|
|
my $value = $emailaddress;
|
|
|
|
# If we're looking up the email, there's a chance that the person
|
|
# doesn't have a userid. So if there is none, we pass along the
|
|
# borrower number, and the bits of code that need to know the user
|
|
# ID will have to be smart enough to handle that.
|
|
my $patrons = Koha::Patrons->search({ email => $value });
|
|
if ($patrons->count) {
|
|
|
|
# First the userid, then the borrowernum
|
|
my $patron = $patrons->next;
|
|
$value = $patron->userid || $patron->borrowernumber;
|
|
} else {
|
|
undef $value;
|
|
}
|
|
$return = $value ? 1 : 0;
|
|
$userid = $value;
|
|
}
|
|
|
|
elsif (
|
|
( $pki_field eq 'Common Name' && $ENV{'SSL_CLIENT_S_DN_CN'} )
|
|
|| ( $pki_field eq 'emailAddress'
|
|
&& $ENV{'SSL_CLIENT_S_DN_Email'} )
|
|
)
|
|
{
|
|
my $value;
|
|
if ( $pki_field eq 'Common Name' ) {
|
|
$value = $ENV{'SSL_CLIENT_S_DN_CN'};
|
|
}
|
|
elsif ( $pki_field eq 'emailAddress' ) {
|
|
$value = $ENV{'SSL_CLIENT_S_DN_Email'};
|
|
|
|
# If we're looking up the email, there's a chance that the person
|
|
# doesn't have a userid. So if there is none, we pass along the
|
|
# borrower number, and the bits of code that need to know the user
|
|
# ID will have to be smart enough to handle that.
|
|
my $patrons = Koha::Patrons->search({ email => $value });
|
|
if ($patrons->count) {
|
|
|
|
# First the userid, then the borrowernum
|
|
my $patron = $patrons->next;
|
|
$value = $patron->userid || $patron->borrowernumber;
|
|
} else {
|
|
undef $value;
|
|
}
|
|
}
|
|
|
|
$return = $value ? 1 : 0;
|
|
$userid = $value;
|
|
|
|
}
|
|
else {
|
|
my $retuserid;
|
|
my $request_method = $query->request_method();
|
|
if ($request_method eq 'POST'){
|
|
( $return, $cardnumber, $retuserid, $cas_ticket ) =
|
|
checkpw( $dbh, $q_userid, $password, $query, $type );
|
|
$userid = $retuserid if ($retuserid);
|
|
$info{'invalid_username_or_password'} = 1 unless ($return);
|
|
}
|
|
}
|
|
}
|
|
|
|
# If shib configured and shibOnly enabled, we should ignore anything other than a shibboleth type login.
|
|
if (
|
|
$shib
|
|
&& !$shibSuccess
|
|
&& (
|
|
(
|
|
( $type eq 'opac' )
|
|
&& C4::Context->preference('OPACShibOnly')
|
|
)
|
|
|| ( ( $type ne 'opac' )
|
|
&& C4::Context->preference('staffShibOnly') )
|
|
)
|
|
)
|
|
{
|
|
$return = 0;
|
|
}
|
|
|
|
# $return: 1 = valid user
|
|
if ($return) {
|
|
|
|
#_session_log(sprintf "%20s from %16s logged in at %30s.\n", $userid,$ENV{'REMOTE_ADDR'},(strftime '%c', localtime));
|
|
if ( $flags = haspermission( $userid, $flagsrequired ) ) {
|
|
$loggedin = 1;
|
|
}
|
|
else {
|
|
$info{'nopermission'} = 1;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
}
|
|
my ( $borrowernumber, $firstname, $surname, $userflags,
|
|
$branchcode, $branchname, $emailaddress, $desk_id,
|
|
$desk_name, $register_id, $register_name );
|
|
|
|
if ( $return == 1 ) {
|
|
my $select = "
|
|
SELECT borrowernumber, firstname, surname, flags, borrowers.branchcode,
|
|
branches.branchname as branchname, email
|
|
FROM borrowers
|
|
LEFT JOIN branches on borrowers.branchcode=branches.branchcode
|
|
";
|
|
my $sth = $dbh->prepare("$select where userid=?");
|
|
$sth->execute($userid);
|
|
unless ( $sth->rows ) {
|
|
$debug and print STDERR "AUTH_1: no rows for userid='$userid'\n";
|
|
$sth = $dbh->prepare("$select where cardnumber=?");
|
|
$sth->execute($cardnumber);
|
|
|
|
unless ( $sth->rows ) {
|
|
$debug and print STDERR "AUTH_2a: no rows for cardnumber='$cardnumber'\n";
|
|
$sth->execute($userid);
|
|
unless ( $sth->rows ) {
|
|
$debug and print STDERR "AUTH_2b: no rows for userid='$userid' AS cardnumber\n";
|
|
}
|
|
}
|
|
}
|
|
if ( $sth->rows ) {
|
|
( $borrowernumber, $firstname, $surname, $userflags,
|
|
$branchcode, $branchname, $emailaddress ) = $sth->fetchrow;
|
|
$debug and print STDERR "AUTH_3 results: " .
|
|
"$cardnumber,$borrowernumber,$userid,$firstname,$surname,$userflags,$branchcode,$emailaddress\n";
|
|
} else {
|
|
print STDERR "AUTH_3: no results for userid='$userid', cardnumber='$cardnumber'.\n";
|
|
}
|
|
|
|
# launch a sequence to check if we have a ip for the branch, i
|
|
# if we have one we replace the branchcode of the userenv by the branch bound in the ip.
|
|
|
|
my $ip = $ENV{'REMOTE_ADDR'};
|
|
|
|
# if they specify at login, use that
|
|
if ( $query->param('branch') ) {
|
|
$branchcode = $query->param('branch');
|
|
my $library = Koha::Libraries->find($branchcode);
|
|
$branchname = $library? $library->branchname: '';
|
|
}
|
|
if ( $query->param('desk_id') ) {
|
|
$desk_id = $query->param('desk_id');
|
|
my $desk = Koha::Desks->find($desk_id);
|
|
$desk_name = $desk ? $desk->desk_name : '';
|
|
}
|
|
if ( C4::Context->preference('UseCashRegisters') ) {
|
|
my $register =
|
|
$query->param('register_id')
|
|
? Koha::Cash::Registers->find($query->param('register_id'))
|
|
: Koha::Cash::Registers->search(
|
|
{ branch => $branchcode, branch_default => 1 },
|
|
{ rows => 1 } )->single;
|
|
$register_id = $register->id if ($register);
|
|
$register_name = $register->name if ($register);
|
|
}
|
|
my $branches = { map { $_->branchcode => $_->unblessed } Koha::Libraries->search };
|
|
if ( $type ne 'opac' and C4::Context->preference('AutoLocation') ) {
|
|
|
|
# we have to check they are coming from the right ip range
|
|
my $domain = $branches->{$branchcode}->{'branchip'};
|
|
$domain =~ s|\.\*||g;
|
|
if ( $ip !~ /^$domain/ ) {
|
|
$loggedin = 0;
|
|
$cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => '',
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
$info{'wrongip'} = 1;
|
|
}
|
|
}
|
|
|
|
foreach my $br ( keys %$branches ) {
|
|
|
|
# now we work with the treatment of ip
|
|
my $domain = $branches->{$br}->{'branchip'};
|
|
if ( $domain && $ip =~ /^$domain/ ) {
|
|
$branchcode = $branches->{$br}->{'branchcode'};
|
|
|
|
# new op dev : add the branchname to the cookie
|
|
$branchname = $branches->{$br}->{'branchname'};
|
|
}
|
|
}
|
|
$session->param( 'number', $borrowernumber );
|
|
$session->param( 'id', $userid );
|
|
$session->param( 'cardnumber', $cardnumber );
|
|
$session->param( 'firstname', $firstname );
|
|
$session->param( 'surname', $surname );
|
|
$session->param( 'branch', $branchcode );
|
|
$session->param( 'branchname', $branchname );
|
|
$session->param( 'desk_id', $desk_id);
|
|
$session->param( 'desk_name', $desk_name);
|
|
$session->param( 'flags', $userflags );
|
|
$session->param( 'emailaddress', $emailaddress );
|
|
$session->param( 'ip', $session->remote_addr() );
|
|
$session->param( 'lasttime', time() );
|
|
$session->param( 'interface', $type);
|
|
$session->param( 'shibboleth', $shibSuccess );
|
|
$session->param( 'register_id', $register_id );
|
|
$session->param( 'register_name', $register_name );
|
|
$debug and printf STDERR "AUTH_4: (%s)\t%s %s - %s\n", map { $session->param($_) } qw(cardnumber firstname surname branch);
|
|
}
|
|
$session->param('cas_ticket', $cas_ticket) if $cas_ticket;
|
|
C4::Context->set_userenv(
|
|
$session->param('number'), $session->param('id'),
|
|
$session->param('cardnumber'), $session->param('firstname'),
|
|
$session->param('surname'), $session->param('branch'),
|
|
$session->param('branchname'), $session->param('flags'),
|
|
$session->param('emailaddress'), $session->param('shibboleth'),
|
|
$session->param('desk_id'), $session->param('desk_name'),
|
|
$session->param('register_id'), $session->param('register_name')
|
|
);
|
|
|
|
}
|
|
# $return: 0 = invalid user
|
|
# reset to anonymous session
|
|
else {
|
|
$debug and warn "Login failed, resetting anonymous session...";
|
|
if ($userid) {
|
|
$info{'invalid_username_or_password'} = 1;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
}
|
|
$session->param( 'lasttime', time() );
|
|
$session->param( 'ip', $session->remote_addr() );
|
|
$session->param( 'sessiontype', 'anon' );
|
|
$session->param( 'interface', $type);
|
|
}
|
|
} # END if ( $q_userid
|
|
elsif ( $type eq "opac" ) {
|
|
|
|
# if we are here this is an anonymous session; add public lists to it and a few other items...
|
|
# anonymous sessions are created only for the OPAC
|
|
$debug and warn "Initiating an anonymous session...";
|
|
|
|
# setting a couple of other session vars...
|
|
$session->param( 'ip', $session->remote_addr() );
|
|
$session->param( 'lasttime', time() );
|
|
$session->param( 'sessiontype', 'anon' );
|
|
$session->param( 'interface', $type);
|
|
}
|
|
} # END unless ($userid)
|
|
|
|
# finished authentification, now respond
|
|
if ( $loggedin || $authnotrequired )
|
|
{
|
|
# successful login
|
|
unless ($cookie) {
|
|
$cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => '',
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
}
|
|
|
|
track_login_daily( $userid );
|
|
|
|
# In case, that this request was a login attempt, we want to prevent that users can repost the opac login
|
|
# request. We therefore redirect the user to the requested page again without the login parameters.
|
|
# See Post/Redirect/Get (PRG) design pattern: https://en.wikipedia.org/wiki/Post/Redirect/Get
|
|
if ( $type eq "opac" && $query->param('koha_login_context') && $query->param('koha_login_context') ne 'sco' && $query->param('password') && $query->param('userid') ) {
|
|
my $uri = URI->new($query->url(-relative=>1, -query_string=>1));
|
|
$uri->query_param_delete('userid');
|
|
$uri->query_param_delete('password');
|
|
$uri->query_param_delete('koha_login_context');
|
|
print $query->redirect(-uri => $uri->as_string, -cookie => $cookie, -status=>'303 See other');
|
|
exit;
|
|
}
|
|
|
|
return ( $userid, $cookie, $sessionID, $flags );
|
|
}
|
|
|
|
#
|
|
#
|
|
# AUTH rejected, show the login/password template, after checking the DB.
|
|
#
|
|
#
|
|
|
|
# get the inputs from the incoming query
|
|
my @inputs = ();
|
|
foreach my $name ( param $query) {
|
|
(next) if ( $name eq 'userid' || $name eq 'password' || $name eq 'ticket' );
|
|
my @value = $query->multi_param($name);
|
|
push @inputs, { name => $name, value => $_ } for @value;
|
|
}
|
|
|
|
my $patron = Koha::Patrons->find({ userid => $q_userid }); # Not necessary logged in!
|
|
|
|
my $LibraryNameTitle = C4::Context->preference("LibraryName");
|
|
$LibraryNameTitle =~ s/<(?:\/?)(?:br|p)\s*(?:\/?)>/ /sgi;
|
|
$LibraryNameTitle =~ s/<(?:[^<>'"]|'(?:[^']*)'|"(?:[^"]*)")*>//sg;
|
|
|
|
my $auth_template_name = ( $type eq 'opac' ) ? 'opac-auth.tt' : 'auth.tt';
|
|
my $template = C4::Templates::gettemplate( $auth_template_name, $type, $query );
|
|
$template->param(
|
|
login => 1,
|
|
INPUTS => \@inputs,
|
|
script_name => get_script_name(),
|
|
casAuthentication => C4::Context->preference("casAuthentication"),
|
|
shibbolethAuthentication => $shib,
|
|
SessionRestrictionByIP => C4::Context->preference("SessionRestrictionByIP"),
|
|
suggestion => C4::Context->preference("suggestion"),
|
|
virtualshelves => C4::Context->preference("virtualshelves"),
|
|
LibraryName => "" . C4::Context->preference("LibraryName"),
|
|
LibraryNameTitle => "" . $LibraryNameTitle,
|
|
opacuserlogin => C4::Context->preference("opacuserlogin"),
|
|
OpacNav => C4::Context->preference("OpacNav"),
|
|
OpacNavBottom => C4::Context->preference("OpacNavBottom"),
|
|
OpacFavicon => C4::Context->preference("OpacFavicon"),
|
|
opacreadinghistory => C4::Context->preference("opacreadinghistory"),
|
|
opaclanguagesdisplay => C4::Context->preference("opaclanguagesdisplay"),
|
|
OPACUserJS => C4::Context->preference("OPACUserJS"),
|
|
opacbookbag => "" . C4::Context->preference("opacbookbag"),
|
|
OpacCloud => C4::Context->preference("OpacCloud"),
|
|
OpacTopissue => C4::Context->preference("OpacTopissue"),
|
|
OpacAuthorities => C4::Context->preference("OpacAuthorities"),
|
|
OpacBrowser => C4::Context->preference("OpacBrowser"),
|
|
TagsEnabled => C4::Context->preference("TagsEnabled"),
|
|
OPACUserCSS => C4::Context->preference("OPACUserCSS"),
|
|
intranetcolorstylesheet => C4::Context->preference("intranetcolorstylesheet"),
|
|
intranetstylesheet => C4::Context->preference("intranetstylesheet"),
|
|
IntranetNav => C4::Context->preference("IntranetNav"),
|
|
IntranetFavicon => C4::Context->preference("IntranetFavicon"),
|
|
IntranetUserCSS => C4::Context->preference("IntranetUserCSS"),
|
|
IntranetUserJS => C4::Context->preference("IntranetUserJS"),
|
|
IndependentBranches => C4::Context->preference("IndependentBranches"),
|
|
AutoLocation => C4::Context->preference("AutoLocation"),
|
|
wrongip => $info{'wrongip'},
|
|
PatronSelfRegistration => C4::Context->preference("PatronSelfRegistration"),
|
|
PatronSelfRegistrationDefaultCategory => C4::Context->preference("PatronSelfRegistrationDefaultCategory"),
|
|
opac_css_override => $ENV{'OPAC_CSS_OVERRIDE'},
|
|
too_many_login_attempts => ( $patron and $patron->account_locked )
|
|
);
|
|
|
|
$template->param( SCO_login => 1 ) if ( $query->param('sco_user_login') );
|
|
$template->param( SCI_login => 1 ) if ( $query->param('sci_user_login') );
|
|
$template->param( OpacPublic => C4::Context->preference("OpacPublic") );
|
|
$template->param( loginprompt => 1 ) unless $info{'nopermission'};
|
|
|
|
if ( $type eq 'opac' ) {
|
|
require Koha::Virtualshelves;
|
|
my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
|
|
{
|
|
category => 2,
|
|
}
|
|
);
|
|
$template->param(
|
|
some_public_shelves => $some_public_shelves,
|
|
);
|
|
}
|
|
|
|
if ($cas) {
|
|
|
|
# Is authentication against multiple CAS servers enabled?
|
|
if ( C4::Auth_with_cas::multipleAuth && !$casparam ) {
|
|
my $casservers = C4::Auth_with_cas::getMultipleAuth();
|
|
my @tmplservers;
|
|
foreach my $key ( keys %$casservers ) {
|
|
push @tmplservers, { name => $key, value => login_cas_url( $query, $key, $type ) . "?cas=$key" };
|
|
}
|
|
$template->param(
|
|
casServersLoop => \@tmplservers
|
|
);
|
|
} else {
|
|
$template->param(
|
|
casServerUrl => login_cas_url($query, undef, $type),
|
|
);
|
|
}
|
|
|
|
$template->param(
|
|
invalidCasLogin => $info{'invalidCasLogin'}
|
|
);
|
|
}
|
|
|
|
if ($shib) {
|
|
#If shibOnly is enabled just go ahead and redirect directly
|
|
if ( (($type eq 'opac') && C4::Context->preference('OPACShibOnly')) || (($type ne 'opac') && C4::Context->preference('staffShibOnly')) ) {
|
|
my $redirect_url = login_shib_url( $query );
|
|
print $query->redirect( -uri => "$redirect_url", -status => 303 );
|
|
safe_exit;
|
|
}
|
|
|
|
$template->param(
|
|
shibbolethAuthentication => $shib,
|
|
shibbolethLoginUrl => login_shib_url($query),
|
|
);
|
|
}
|
|
|
|
if (C4::Context->preference('GoogleOpenIDConnect')) {
|
|
if ($query->param("OpenIDConnectFailed")) {
|
|
my $reason = $query->param('OpenIDConnectFailed');
|
|
$template->param(invalidGoogleOpenIDConnectLogin => $reason);
|
|
}
|
|
}
|
|
|
|
$template->param(
|
|
LibraryName => C4::Context->preference("LibraryName"),
|
|
);
|
|
$template->param(%info);
|
|
|
|
# $cookie = $query->cookie(CGISESSID => $session->id
|
|
# );
|
|
print $query->header(
|
|
{ type => 'text/html',
|
|
charset => 'utf-8',
|
|
cookie => $cookie,
|
|
'X-Frame-Options' => 'SAMEORIGIN'
|
|
}
|
|
),
|
|
$template->output;
|
|
safe_exit;
|
|
}
|
|
|
|
=head2 check_api_auth
|
|
|
|
($status, $cookie, $sessionId) = check_api_auth($query, $userflags);
|
|
|
|
Given a CGI query containing the parameters 'userid' and 'password' and/or a session
|
|
cookie, determine if the user has the privileges specified by C<$userflags>.
|
|
|
|
C<check_api_auth> is is meant for authenticating users of web services, and
|
|
consequently will always return and will not attempt to redirect the user
|
|
agent.
|
|
|
|
If a valid session cookie is already present, check_api_auth will return a status
|
|
of "ok", the cookie, and the Koha session ID.
|
|
|
|
If no session cookie is present, check_api_auth will check the 'userid' and 'password
|
|
parameters and create a session cookie and Koha session if the supplied credentials
|
|
are OK.
|
|
|
|
Possible return values in C<$status> are:
|
|
|
|
=over
|
|
|
|
=item "ok" -- user authenticated; C<$cookie> and C<$sessionid> have valid values.
|
|
|
|
=item "failed" -- credentials are not correct; C<$cookie> and C<$sessionid> are undef
|
|
|
|
=item "maintenance" -- DB is in maintenance mode; no login possible at the moment
|
|
|
|
=item "expired -- session cookie has expired; API user should resubmit userid and password
|
|
|
|
=back
|
|
|
|
=cut
|
|
|
|
sub check_api_auth {
|
|
|
|
my $query = shift;
|
|
my $flagsrequired = shift;
|
|
my $dbh = C4::Context->dbh;
|
|
my $timeout = _timeout_syspref();
|
|
|
|
unless ( C4::Context->preference('Version') ) {
|
|
|
|
# database has not been installed yet
|
|
return ( "maintenance", undef, undef );
|
|
}
|
|
my $kohaversion = Koha::version();
|
|
$kohaversion =~ s/(.*\..*)\.(.*)\.(.*)/$1$2$3/;
|
|
if ( C4::Context->preference('Version') < $kohaversion ) {
|
|
|
|
# database in need of version update; assume that
|
|
# no API should be called while databsae is in
|
|
# this condition.
|
|
return ( "maintenance", undef, undef );
|
|
}
|
|
|
|
# FIXME -- most of what follows is a copy-and-paste
|
|
# of code from checkauth. There is an obvious need
|
|
# for refactoring to separate the various parts of
|
|
# the authentication code, but as of 2007-11-19 this
|
|
# is deferred so as to not introduce bugs into the
|
|
# regular authentication code for Koha 3.0.
|
|
|
|
# see if we have a valid session cookie already
|
|
# however, if a userid parameter is present (i.e., from
|
|
# a form submission, assume that any current cookie
|
|
# is to be ignored
|
|
my $sessionID = undef;
|
|
unless ( $query->param('userid') ) {
|
|
$sessionID = $query->cookie("CGISESSID");
|
|
}
|
|
if ( $sessionID && not( $cas && $query->param('PT') ) ) {
|
|
my $session = get_session($sessionID);
|
|
C4::Context->_new_userenv($sessionID);
|
|
if ($session) {
|
|
C4::Context->interface($session->param('interface'));
|
|
C4::Context->set_userenv(
|
|
$session->param('number'), $session->param('id'),
|
|
$session->param('cardnumber'), $session->param('firstname'),
|
|
$session->param('surname'), $session->param('branch'),
|
|
$session->param('branchname'), $session->param('flags'),
|
|
$session->param('emailaddress'), $session->param('shibboleth'),
|
|
$session->param('desk_id'), $session->param('desk_name'),
|
|
$session->param('register_id'), $session->param('register_name')
|
|
);
|
|
|
|
my $ip = $session->param('ip');
|
|
my $lasttime = $session->param('lasttime');
|
|
my $userid = $session->param('id');
|
|
if ( $lasttime < time() - $timeout ) {
|
|
|
|
# time out
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ( "expired", undef, undef );
|
|
} elsif ( C4::Context->preference('SessionRestrictionByIP') && $ip ne $ENV{'REMOTE_ADDR'} ) {
|
|
|
|
# IP address changed
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ( "expired", undef, undef );
|
|
} else {
|
|
my $cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => $session->id,
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
$session->param( 'lasttime', time() );
|
|
my $flags = haspermission( $userid, $flagsrequired );
|
|
if ($flags) {
|
|
return ( "ok", $cookie, $sessionID );
|
|
} else {
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ( "failed", undef, undef );
|
|
}
|
|
}
|
|
} else {
|
|
return ( "expired", undef, undef );
|
|
}
|
|
} else {
|
|
|
|
# new login
|
|
my $userid = $query->param('userid');
|
|
my $password = $query->param('password');
|
|
my ( $return, $cardnumber, $cas_ticket );
|
|
|
|
# Proxy CAS auth
|
|
if ( $cas && $query->param('PT') ) {
|
|
my $retuserid;
|
|
$debug and print STDERR "## check_api_auth - checking CAS\n";
|
|
|
|
# In case of a CAS authentication, we use the ticket instead of the password
|
|
my $PT = $query->param('PT');
|
|
( $return, $cardnumber, $userid, $cas_ticket ) = check_api_auth_cas( $dbh, $PT, $query ); # EXTERNAL AUTH
|
|
} else {
|
|
|
|
# User / password auth
|
|
unless ( $userid and $password ) {
|
|
|
|
# caller did something wrong, fail the authenticateion
|
|
return ( "failed", undef, undef );
|
|
}
|
|
my $newuserid;
|
|
( $return, $cardnumber, $newuserid, $cas_ticket ) = checkpw( $dbh, $userid, $password, $query );
|
|
}
|
|
|
|
if ( $return and haspermission( $userid, $flagsrequired ) ) {
|
|
my $session = get_session("");
|
|
return ( "failed", undef, undef ) unless $session;
|
|
|
|
my $sessionID = $session->id;
|
|
C4::Context->_new_userenv($sessionID);
|
|
my $cookie = $query->cookie(
|
|
-name => 'CGISESSID',
|
|
-value => $sessionID,
|
|
-HttpOnly => 1,
|
|
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
|
|
);
|
|
if ( $return == 1 ) {
|
|
my (
|
|
$borrowernumber, $firstname, $surname,
|
|
$userflags, $branchcode, $branchname,
|
|
$emailaddress
|
|
);
|
|
my $sth =
|
|
$dbh->prepare(
|
|
"select borrowernumber, firstname, surname, flags, borrowers.branchcode, branches.branchname as branchname, email from borrowers left join branches on borrowers.branchcode=branches.branchcode where userid=?"
|
|
);
|
|
$sth->execute($userid);
|
|
(
|
|
$borrowernumber, $firstname, $surname,
|
|
$userflags, $branchcode, $branchname,
|
|
$emailaddress
|
|
) = $sth->fetchrow if ( $sth->rows );
|
|
|
|
unless ( $sth->rows ) {
|
|
my $sth = $dbh->prepare(
|
|
"select borrowernumber, firstname, surname, flags, borrowers.branchcode, branches.branchname as branchname, email from borrowers left join branches on borrowers.branchcode=branches.branchcode where cardnumber=?"
|
|
);
|
|
$sth->execute($cardnumber);
|
|
(
|
|
$borrowernumber, $firstname, $surname,
|
|
$userflags, $branchcode, $branchname,
|
|
$emailaddress
|
|
) = $sth->fetchrow if ( $sth->rows );
|
|
|
|
unless ( $sth->rows ) {
|
|
$sth->execute($userid);
|
|
(
|
|
$borrowernumber, $firstname, $surname, $userflags,
|
|
$branchcode, $branchname, $emailaddress
|
|
) = $sth->fetchrow if ( $sth->rows );
|
|
}
|
|
}
|
|
|
|
my $ip = $ENV{'REMOTE_ADDR'};
|
|
|
|
# if they specify at login, use that
|
|
if ( $query->param('branch') ) {
|
|
$branchcode = $query->param('branch');
|
|
my $library = Koha::Libraries->find($branchcode);
|
|
$branchname = $library? $library->branchname: '';
|
|
}
|
|
my $branches = { map { $_->branchcode => $_->unblessed } Koha::Libraries->search };
|
|
foreach my $br ( keys %$branches ) {
|
|
|
|
# now we work with the treatment of ip
|
|
my $domain = $branches->{$br}->{'branchip'};
|
|
if ( $domain && $ip =~ /^$domain/ ) {
|
|
$branchcode = $branches->{$br}->{'branchcode'};
|
|
|
|
# new op dev : add the branchname to the cookie
|
|
$branchname = $branches->{$br}->{'branchname'};
|
|
}
|
|
}
|
|
$session->param( 'number', $borrowernumber );
|
|
$session->param( 'id', $userid );
|
|
$session->param( 'cardnumber', $cardnumber );
|
|
$session->param( 'firstname', $firstname );
|
|
$session->param( 'surname', $surname );
|
|
$session->param( 'branch', $branchcode );
|
|
$session->param( 'branchname', $branchname );
|
|
$session->param( 'flags', $userflags );
|
|
$session->param( 'emailaddress', $emailaddress );
|
|
$session->param( 'ip', $session->remote_addr() );
|
|
$session->param( 'lasttime', time() );
|
|
$session->param( 'interface', 'api' );
|
|
}
|
|
$session->param( 'cas_ticket', $cas_ticket);
|
|
C4::Context->set_userenv(
|
|
$session->param('number'), $session->param('id'),
|
|
$session->param('cardnumber'), $session->param('firstname'),
|
|
$session->param('surname'), $session->param('branch'),
|
|
$session->param('branchname'), $session->param('flags'),
|
|
$session->param('emailaddress'), $session->param('shibboleth'),
|
|
$session->param('desk_id'), $session->param('desk_name'),
|
|
$session->param('register_id'), $session->param('register_name')
|
|
);
|
|
return ( "ok", $cookie, $sessionID );
|
|
} else {
|
|
return ( "failed", undef, undef );
|
|
}
|
|
}
|
|
}
|
|
|
|
=head2 check_cookie_auth
|
|
|
|
($status, $sessionId) = check_api_auth($cookie, $userflags);
|
|
|
|
Given a CGISESSID cookie set during a previous login to Koha, determine
|
|
if the user has the privileges specified by C<$userflags>. C<$userflags>
|
|
is passed unaltered into C<haspermission> and as such accepts all options
|
|
avaiable to that routine with the one caveat that C<check_api_auth> will
|
|
also allow 'undef' to be passed and in such a case the permissions check
|
|
will be skipped altogether.
|
|
|
|
C<check_cookie_auth> is meant for authenticating special services
|
|
such as tools/upload-file.pl that are invoked by other pages that
|
|
have been authenticated in the usual way.
|
|
|
|
Possible return values in C<$status> are:
|
|
|
|
=over
|
|
|
|
=item "ok" -- user authenticated; C<$sessionID> have valid values.
|
|
|
|
=item "failed" -- credentials are not correct; C<$sessionid> are undef
|
|
|
|
=item "maintenance" -- DB is in maintenance mode; no login possible at the moment
|
|
|
|
=item "expired -- session cookie has expired; API user should resubmit userid and password
|
|
|
|
=back
|
|
|
|
=cut
|
|
|
|
sub check_cookie_auth {
|
|
my $cookie = shift;
|
|
my $flagsrequired = shift;
|
|
my $params = shift;
|
|
|
|
my $remote_addr = $params->{remote_addr} || $ENV{REMOTE_ADDR};
|
|
my $dbh = C4::Context->dbh;
|
|
my $timeout = _timeout_syspref();
|
|
|
|
unless ( C4::Context->preference('Version') ) {
|
|
|
|
# database has not been installed yet
|
|
return ( "maintenance", undef );
|
|
}
|
|
my $kohaversion = Koha::version();
|
|
$kohaversion =~ s/(.*\..*)\.(.*)\.(.*)/$1$2$3/;
|
|
if ( C4::Context->preference('Version') < $kohaversion ) {
|
|
|
|
# database in need of version update; assume that
|
|
# no API should be called while databsae is in
|
|
# this condition.
|
|
return ( "maintenance", undef );
|
|
}
|
|
|
|
# FIXME -- most of what follows is a copy-and-paste
|
|
# of code from checkauth. There is an obvious need
|
|
# for refactoring to separate the various parts of
|
|
# the authentication code, but as of 2007-11-23 this
|
|
# is deferred so as to not introduce bugs into the
|
|
# regular authentication code for Koha 3.0.
|
|
|
|
# see if we have a valid session cookie already
|
|
# however, if a userid parameter is present (i.e., from
|
|
# a form submission, assume that any current cookie
|
|
# is to be ignored
|
|
unless ( defined $cookie and $cookie ) {
|
|
return ( "failed", undef );
|
|
}
|
|
my $sessionID = $cookie;
|
|
my $session = get_session($sessionID);
|
|
C4::Context->_new_userenv($sessionID);
|
|
if ($session) {
|
|
C4::Context->interface($session->param('interface'));
|
|
C4::Context->set_userenv(
|
|
$session->param('number'), $session->param('id'),
|
|
$session->param('cardnumber'), $session->param('firstname'),
|
|
$session->param('surname'), $session->param('branch'),
|
|
$session->param('branchname'), $session->param('flags'),
|
|
$session->param('emailaddress'), $session->param('shibboleth'),
|
|
$session->param('desk_id'), $session->param('desk_name'),
|
|
$session->param('register_id'), $session->param('register_name')
|
|
);
|
|
|
|
my $ip = $session->param('ip');
|
|
my $lasttime = $session->param('lasttime');
|
|
my $userid = $session->param('id');
|
|
if ( $lasttime < time() - $timeout ) {
|
|
|
|
# time out
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ("expired", undef);
|
|
} elsif ( C4::Context->preference('SessionRestrictionByIP') && $ip ne $remote_addr ) {
|
|
|
|
# IP address changed
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ( "expired", undef );
|
|
} else {
|
|
$session->param( 'lasttime', time() );
|
|
my $flags = defined($flagsrequired) ? haspermission( $userid, $flagsrequired ) : 1;
|
|
if ($flags) {
|
|
return ( "ok", $sessionID );
|
|
} else {
|
|
$session->delete();
|
|
$session->flush;
|
|
C4::Context->_unset_userenv($sessionID);
|
|
$userid = undef;
|
|
$sessionID = undef;
|
|
return ( "failed", undef );
|
|
}
|
|
}
|
|
} else {
|
|
return ( "expired", undef );
|
|
}
|
|
}
|
|
|
|
=head2 get_session
|
|
|
|
use CGI::Session;
|
|
my $session = get_session($sessionID);
|
|
|
|
Given a session ID, retrieve the CGI::Session object used to store
|
|
the session's state. The session object can be used to store
|
|
data that needs to be accessed by different scripts during a
|
|
user's session.
|
|
|
|
If the C<$sessionID> parameter is an empty string, a new session
|
|
will be created.
|
|
|
|
=cut
|
|
|
|
sub _get_session_params {
|
|
my $storage_method = C4::Context->preference('SessionStorage');
|
|
if ( $storage_method eq 'mysql' ) {
|
|
my $dbh = C4::Context->dbh;
|
|
return { dsn => "serializer:yamlxs;driver:MySQL;id:md5", dsn_args => { Handle => $dbh } };
|
|
}
|
|
elsif ( $storage_method eq 'Pg' ) {
|
|
my $dbh = C4::Context->dbh;
|
|
return { dsn => "serializer:yamlxs;driver:PostgreSQL;id:md5", dsn_args => { Handle => $dbh } };
|
|
}
|
|
elsif ( $storage_method eq 'memcached' && Koha::Caches->get_instance->memcached_cache ) {
|
|
my $memcached = Koha::Caches->get_instance()->memcached_cache;
|
|
return { dsn => "serializer:yamlxs;driver:memcached;id:md5", dsn_args => { Memcached => $memcached } };
|
|
}
|
|
else {
|
|
# catch all defaults to tmp should work on all systems
|
|
my $dir = C4::Context::temporary_directory;
|
|
my $instance = C4::Context->config( 'database' ); #actually for packages not exactly the instance name, but generally safer to leave it as it is
|
|
return { dsn => "serializer:yamlxs;driver:File;id:md5", dsn_args => { Directory => "$dir/cgisess_$instance" } };
|
|
}
|
|
}
|
|
|
|
sub get_session {
|
|
my $sessionID = shift;
|
|
my $params = _get_session_params();
|
|
my $session = CGI::Session->new( $params->{dsn}, $sessionID, $params->{dsn_args} );
|
|
if ( ! $session ){
|
|
die CGI::Session->errstr();
|
|
}
|
|
return $session;
|
|
}
|
|
|
|
|
|
# FIXME no_set_userenv may be replaced with force_branchcode_for_userenv
|
|
# (or something similar)
|
|
# Currently it's only passed from C4::SIP::ILS::Patron::check_password, but
|
|
# not having a userenv defined could cause a crash.
|
|
sub checkpw {
|
|
my ( $dbh, $userid, $password, $query, $type, $no_set_userenv ) = @_;
|
|
$type = 'opac' unless $type;
|
|
|
|
# Get shibboleth login attribute
|
|
my $shib = C4::Context->config('useshibboleth') && shib_ok();
|
|
my $shib_login = $shib ? get_login_shib() : undef;
|
|
|
|
my @return;
|
|
my $patron;
|
|
if ( defined $userid ){
|
|
$patron = Koha::Patrons->find({ userid => $userid });
|
|
$patron = Koha::Patrons->find({ cardnumber => $userid }) unless $patron;
|
|
}
|
|
my $check_internal_as_fallback = 0;
|
|
my $passwd_ok = 0;
|
|
# Note: checkpw_* routines returns:
|
|
# 1 if auth is ok
|
|
# 0 if auth is nok
|
|
# -1 if user bind failed (LDAP only)
|
|
|
|
if ( $patron and $patron->account_locked ) {
|
|
# Nothing to check, account is locked
|
|
} elsif ($ldap && defined($password)) {
|
|
$debug and print STDERR "## checkpw - checking LDAP\n";
|
|
my ( $retval, $retcard, $retuserid ) = checkpw_ldap(@_); # EXTERNAL AUTH
|
|
if ( $retval == 1 ) {
|
|
@return = ( $retval, $retcard, $retuserid );
|
|
$passwd_ok = 1;
|
|
}
|
|
$check_internal_as_fallback = 1 if $retval == 0;
|
|
|
|
} elsif ( $cas && $query && $query->param('ticket') ) {
|
|
$debug and print STDERR "## checkpw - checking CAS\n";
|
|
|
|
# In case of a CAS authentication, we use the ticket instead of the password
|
|
my $ticket = $query->param('ticket');
|
|
$query->delete('ticket'); # remove ticket to come back to original URL
|
|
my ( $retval, $retcard, $retuserid, $cas_ticket ) = checkpw_cas( $dbh, $ticket, $query, $type ); # EXTERNAL AUTH
|
|
if ( $retval ) {
|
|
@return = ( $retval, $retcard, $retuserid, $cas_ticket );
|
|
} else {
|
|
@return = (0);
|
|
}
|
|
$passwd_ok = $retval;
|
|
}
|
|
|
|
# If we are in a shibboleth session (shibboleth is enabled, and a shibboleth match attribute is present)
|
|
# Check for password to asertain whether we want to be testing against shibboleth or another method this
|
|
# time around.
|
|
elsif ( $shib && $shib_login && !$password ) {
|
|
|
|
$debug and print STDERR "## checkpw - checking Shibboleth\n";
|
|
|
|
# In case of a Shibboleth authentication, we expect a shibboleth user attribute
|
|
# (defined under shibboleth mapping in koha-conf.xml) to contain the login of the
|
|
# shibboleth-authenticated user
|
|
|
|
# Then, we check if it matches a valid koha user
|
|
if ($shib_login) {
|
|
my ( $retval, $retcard, $retuserid ) = C4::Auth_with_shibboleth::checkpw_shib($shib_login); # EXTERNAL AUTH
|
|
if ( $retval ) {
|
|
@return = ( $retval, $retcard, $retuserid );
|
|
}
|
|
$passwd_ok = $retval;
|
|
}
|
|
} else {
|
|
$check_internal_as_fallback = 1;
|
|
}
|
|
|
|
# INTERNAL AUTH
|
|
if ( $check_internal_as_fallback ) {
|
|
@return = checkpw_internal( $dbh, $userid, $password, $no_set_userenv);
|
|
$passwd_ok = 1 if $return[0] > 0; # 1 or 2
|
|
}
|
|
|
|
if( $patron ) {
|
|
if ( $passwd_ok ) {
|
|
$patron->update({ login_attempts => 0 });
|
|
} elsif( !$patron->account_locked ) {
|
|
$patron->update({ login_attempts => $patron->login_attempts + 1 });
|
|
}
|
|
}
|
|
|
|
# Optionally log success or failure
|
|
if( $patron && $passwd_ok && C4::Context->preference('AuthSuccessLog') ) {
|
|
logaction( 'AUTH', 'SUCCESS', $patron->id, "Valid password for $userid", $type );
|
|
} elsif( !$passwd_ok && C4::Context->preference('AuthFailureLog') ) {
|
|
logaction( 'AUTH', 'FAILURE', $patron ? $patron->id : 0, "Wrong password for $userid", $type );
|
|
}
|
|
|
|
return @return;
|
|
}
|
|
|
|
sub checkpw_internal {
|
|
my ( $dbh, $userid, $password, $no_set_userenv ) = @_;
|
|
|
|
$password = Encode::encode( 'UTF-8', $password )
|
|
if Encode::is_utf8($password);
|
|
|
|
my $sth =
|
|
$dbh->prepare(
|
|
"select password,cardnumber,borrowernumber,userid,firstname,surname,borrowers.branchcode,branches.branchname,flags from borrowers join branches on borrowers.branchcode=branches.branchcode where userid=?"
|
|
);
|
|
$sth->execute($userid);
|
|
if ( $sth->rows ) {
|
|
my ( $stored_hash, $cardnumber, $borrowernumber, $userid, $firstname,
|
|
$surname, $branchcode, $branchname, $flags )
|
|
= $sth->fetchrow;
|
|
|
|
if ( checkpw_hash( $password, $stored_hash ) ) {
|
|
|
|
C4::Context->set_userenv( "$borrowernumber", $userid, $cardnumber,
|
|
$firstname, $surname, $branchcode, $branchname, $flags ) unless $no_set_userenv;
|
|
return 1, $cardnumber, $userid;
|
|
}
|
|
}
|
|
$sth =
|
|
$dbh->prepare(
|
|
"select password,cardnumber,borrowernumber,userid,firstname,surname,borrowers.branchcode,branches.branchname,flags from borrowers join branches on borrowers.branchcode=branches.branchcode where cardnumber=?"
|
|
);
|
|
$sth->execute($userid);
|
|
if ( $sth->rows ) {
|
|
my ( $stored_hash, $cardnumber, $borrowernumber, $userid, $firstname,
|
|
$surname, $branchcode, $branchname, $flags )
|
|
= $sth->fetchrow;
|
|
|
|
if ( checkpw_hash( $password, $stored_hash ) ) {
|
|
|
|
C4::Context->set_userenv( $borrowernumber, $userid, $cardnumber,
|
|
$firstname, $surname, $branchcode, $branchname, $flags ) unless $no_set_userenv;
|
|
return 1, $cardnumber, $userid;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
sub checkpw_hash {
|
|
my ( $password, $stored_hash ) = @_;
|
|
|
|
return if $stored_hash eq '!';
|
|
|
|
# check what encryption algorithm was implemented: Bcrypt - if the hash starts with '$2' it is Bcrypt else md5
|
|
my $hash;
|
|
if ( substr( $stored_hash, 0, 2 ) eq '$2' ) {
|
|
$hash = hash_password( $password, $stored_hash );
|
|
} else {
|
|
$hash = md5_base64($password);
|
|
}
|
|
return $hash eq $stored_hash;
|
|
}
|
|
|
|
=head2 getuserflags
|
|
|
|
my $authflags = getuserflags($flags, $userid, [$dbh]);
|
|
|
|
Translates integer flags into permissions strings hash.
|
|
|
|
C<$flags> is the integer userflags value ( borrowers.userflags )
|
|
C<$userid> is the members.userid, used for building subpermissions
|
|
C<$authflags> is a hashref of permissions
|
|
|
|
=cut
|
|
|
|
sub getuserflags {
|
|
my $flags = shift;
|
|
my $userid = shift;
|
|
my $dbh = @_ ? shift : C4::Context->dbh;
|
|
my $userflags;
|
|
{
|
|
# I don't want to do this, but if someone logs in as the database
|
|
# user, it would be preferable not to spam them to death with
|
|
# numeric warnings. So, we make $flags numeric.
|
|
no warnings 'numeric';
|
|
$flags += 0;
|
|
}
|
|
my $sth = $dbh->prepare("SELECT bit, flag, defaulton FROM userflags");
|
|
$sth->execute;
|
|
|
|
while ( my ( $bit, $flag, $defaulton ) = $sth->fetchrow ) {
|
|
if ( ( $flags & ( 2**$bit ) ) || $defaulton ) {
|
|
$userflags->{$flag} = 1;
|
|
}
|
|
else {
|
|
$userflags->{$flag} = 0;
|
|
}
|
|
}
|
|
|
|
# get subpermissions and merge with top-level permissions
|
|
my $user_subperms = get_user_subpermissions($userid);
|
|
foreach my $module ( keys %$user_subperms ) {
|
|
next if $userflags->{$module} == 1; # user already has permission for everything in this module
|
|
$userflags->{$module} = $user_subperms->{$module};
|
|
}
|
|
|
|
return $userflags;
|
|
}
|
|
|
|
=head2 get_user_subpermissions
|
|
|
|
$user_perm_hashref = get_user_subpermissions($userid);
|
|
|
|
Given the userid (note, not the borrowernumber) of a staff user,
|
|
return a hashref of hashrefs of the specific subpermissions
|
|
accorded to the user. An example return is
|
|
|
|
{
|
|
tools => {
|
|
export_catalog => 1,
|
|
import_patrons => 1,
|
|
}
|
|
}
|
|
|
|
The top-level hash-key is a module or function code from
|
|
userflags.flag, while the second-level key is a code
|
|
from permissions.
|
|
|
|
The results of this function do not give a complete picture
|
|
of the functions that a staff user can access; it is also
|
|
necessary to check borrowers.flags.
|
|
|
|
=cut
|
|
|
|
sub get_user_subpermissions {
|
|
my $userid = shift;
|
|
|
|
my $dbh = C4::Context->dbh;
|
|
my $sth = $dbh->prepare( "SELECT flag, user_permissions.code
|
|
FROM user_permissions
|
|
JOIN permissions USING (module_bit, code)
|
|
JOIN userflags ON (module_bit = bit)
|
|
JOIN borrowers USING (borrowernumber)
|
|
WHERE userid = ?" );
|
|
$sth->execute($userid);
|
|
|
|
my $user_perms = {};
|
|
while ( my $perm = $sth->fetchrow_hashref ) {
|
|
$user_perms->{ $perm->{'flag'} }->{ $perm->{'code'} } = 1;
|
|
}
|
|
return $user_perms;
|
|
}
|
|
|
|
=head2 get_all_subpermissions
|
|
|
|
my $perm_hashref = get_all_subpermissions();
|
|
|
|
Returns a hashref of hashrefs defining all specific
|
|
permissions currently defined. The return value
|
|
has the same structure as that of C<get_user_subpermissions>,
|
|
except that the innermost hash value is the description
|
|
of the subpermission.
|
|
|
|
=cut
|
|
|
|
sub get_all_subpermissions {
|
|
my $dbh = C4::Context->dbh;
|
|
my $sth = $dbh->prepare( "SELECT flag, code
|
|
FROM permissions
|
|
JOIN userflags ON (module_bit = bit)" );
|
|
$sth->execute();
|
|
|
|
my $all_perms = {};
|
|
while ( my $perm = $sth->fetchrow_hashref ) {
|
|
$all_perms->{ $perm->{'flag'} }->{ $perm->{'code'} } = 1;
|
|
}
|
|
return $all_perms;
|
|
}
|
|
|
|
=head2 haspermission
|
|
|
|
$flagsrequired = '*'; # Any permission at all
|
|
$flagsrequired = 'a_flag'; # a_flag must be satisfied (all subpermissions)
|
|
$flagsrequired = [ 'a_flag', 'b_flag' ]; # a_flag OR b_flag must be satisfied
|
|
$flagsrequired = { 'a_flag => 1, 'b_flag' => 1 }; # a_flag AND b_flag must be satisfied
|
|
$flagsrequired = { 'a_flag' => 'sub_a' }; # sub_a of a_flag must be satisfied
|
|
$flagsrequired = { 'a_flag' => [ 'sub_a, 'sub_b' ] }; # sub_a OR sub_b of a_flag must be satisfied
|
|
|
|
$flags = ($userid, $flagsrequired);
|
|
|
|
C<$userid> the userid of the member
|
|
C<$flags> is a query structure similar to that used by SQL::Abstract that
|
|
denotes the combination of flags required. It is a required parameter.
|
|
|
|
The main logic of this method is that things in arrays are OR'ed, and things
|
|
in hashes are AND'ed. The `*` character can be used, at any depth, to denote `ANY`
|
|
|
|
Returns member's flags or 0 if a permission is not met.
|
|
|
|
=cut
|
|
|
|
sub _dispatch {
|
|
my ($required, $flags) = @_;
|
|
|
|
my $ref = ref($required);
|
|
if ($ref eq '') {
|
|
if ($required eq '*') {
|
|
return 0 unless ( $flags or ref( $flags ) );
|
|
} else {
|
|
return 0 unless ( $flags and (!ref( $flags ) || $flags->{$required} ));
|
|
}
|
|
} elsif ($ref eq 'HASH') {
|
|
foreach my $key (keys %{$required}) {
|
|
next if $flags == 1;
|
|
my $require = $required->{$key};
|
|
my $rflags = $flags->{$key};
|
|
return 0 unless _dispatch($require, $rflags);
|
|
}
|
|
} elsif ($ref eq 'ARRAY') {
|
|
my $satisfied = 0;
|
|
foreach my $require ( @{$required} ) {
|
|
my $rflags =
|
|
( ref($flags) && !ref($require) && ( $require ne '*' ) )
|
|
? $flags->{$require}
|
|
: $flags;
|
|
$satisfied++ if _dispatch( $require, $rflags );
|
|
}
|
|
return 0 unless $satisfied;
|
|
} else {
|
|
croak "Unexpected structure found: $ref";
|
|
}
|
|
|
|
return $flags;
|
|
};
|
|
|
|
sub haspermission {
|
|
my ( $userid, $flagsrequired ) = @_;
|
|
|
|
#Koha::Exceptions::WrongParameter->throw('$flagsrequired should not be undef')
|
|
# unless defined($flagsrequired);
|
|
|
|
my $sth = C4::Context->dbh->prepare("SELECT flags FROM borrowers WHERE userid=?");
|
|
$sth->execute($userid);
|
|
my $row = $sth->fetchrow();
|
|
my $flags = getuserflags( $row, $userid );
|
|
|
|
return $flags unless defined($flagsrequired);
|
|
return $flags if $flags->{superlibrarian};
|
|
return _dispatch($flagsrequired, $flags);
|
|
|
|
#FIXME - This fcn should return the failed permission so a suitable error msg can be delivered.
|
|
}
|
|
|
|
=head2 in_iprange
|
|
|
|
$flags = ($iprange);
|
|
|
|
C<$iprange> A space separated string describing an IP range. Can include single IPs or ranges
|
|
|
|
Returns 1 if the remote address is in the provided iprange, or 0 otherwise.
|
|
|
|
=cut
|
|
|
|
sub in_iprange {
|
|
my ($iprange) = @_;
|
|
my $result = 1;
|
|
my @allowedipranges = $iprange ? split(' ', $iprange) : ();
|
|
if (scalar @allowedipranges > 0) {
|
|
my @rangelist;
|
|
eval { @rangelist = Net::CIDR::range2cidr(@allowedipranges); }; return 0 if $@;
|
|
eval { $result = Net::CIDR::cidrlookup($ENV{'REMOTE_ADDR'}, @rangelist) } || ( $ENV{DEBUG} && warn 'cidrlookup failed for ' . join(' ',@rangelist) );
|
|
}
|
|
return $result ? 1 : 0;
|
|
}
|
|
|
|
sub getborrowernumber {
|
|
my ($userid) = @_;
|
|
my $userenv = C4::Context->userenv;
|
|
if ( defined($userenv) && ref($userenv) eq 'HASH' && $userenv->{number} ) {
|
|
return $userenv->{number};
|
|
}
|
|
my $dbh = C4::Context->dbh;
|
|
for my $field ( 'userid', 'cardnumber' ) {
|
|
my $sth =
|
|
$dbh->prepare("select borrowernumber from borrowers where $field=?");
|
|
$sth->execute($userid);
|
|
if ( $sth->rows ) {
|
|
my ($bnumber) = $sth->fetchrow;
|
|
return $bnumber;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
=head2 track_login_daily
|
|
|
|
track_login_daily( $userid );
|
|
|
|
Wraps the call to $patron->track_login, the method used to update borrowers.lastseen. We only call track_login once a day.
|
|
|
|
=cut
|
|
|
|
sub track_login_daily {
|
|
my $userid = shift;
|
|
return if !$userid || !C4::Context->preference('TrackLastPatronActivity');
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|
|
|
my $cache = Koha::Caches->get_instance();
|
|
my $cache_key = "track_login_" . $userid;
|
|
my $cached = $cache->get_from_cache($cache_key);
|
|
my $today = dt_from_string()->ymd;
|
|
return if $cached && $cached eq $today;
|
|
|
|
my $patron = Koha::Patrons->find({ userid => $userid });
|
|
return unless $patron;
|
|
$patron->track_login;
|
|
$cache->set_in_cache( $cache_key, $today );
|
|
}
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|
|
|
END { } # module clean-up code here (global destructor)
|
|
1;
|
|
__END__
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|
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=head1 SEE ALSO
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|
|
CGI(3)
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|
|
C4::Output(3)
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|
|
|
Crypt::Eksblowfish::Bcrypt(3)
|
|
|
|
Digest::MD5(3)
|
|
|
|
=cut
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