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Koha/C4/Auth.pm
Jonathan Druart 92d7b5e86c
Bug 36148: Do not deal with CSRF error in get_template_and_user 
We deal with that in the middleware, we don't want 403.pl to early exit.
If we notice that we actually need it (for other scripts), we could
eventually add a new flag to get_template_and_user to skip the CSRF check,
or build the template without using get_template_and_user for errors/*
scripts.

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
2024-03-01 11:01:07 +01:00

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Perl
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package C4::Auth;
# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <http://www.gnu.org/licenses>.
use strict;
use warnings;
use Carp qw( croak );
use Digest::MD5 qw( md5_base64 );
use CGI::Session;
use CGI::Session::ErrorHandler;
use URI;
use URI::QueryParam;
use List::MoreUtils qw( uniq );
use C4::Context;
use C4::Templates; # to get the template
use C4::Languages;
use C4::Search::History;
use C4::Output qw( output_and_exit );
use Koha;
use Koha::Logger;
use Koha::Caches;
use Koha::AuthUtils qw( get_script_name hash_password );
use Koha::Auth::TwoFactorAuth;
use Koha::Checkouts;
use Koha::DateUtils qw( dt_from_string );
use Koha::Library::Groups;
use Koha::Libraries;
use Koha::Cash::Registers;
use Koha::Desks;
use Koha::Patrons;
use Koha::Patron::Consents;
use List::MoreUtils qw( any );
use Encode;
use C4::Auth_with_shibboleth qw( shib_ok get_login_shib login_shib_url logout_shib checkpw_shib );
use Net::CIDR;
use C4::Log qw( logaction );
use Koha::CookieManager;
use Koha::Auth::Permissions;
use Koha::Token;
use Koha::Exceptions::Token;
use Koha::Session;
# use utf8;
use vars qw($ldap $cas $caslogout);
our (@ISA, @EXPORT_OK);
#NOTE: The utility of keeping the safe_exit function is that it can be easily re-defined in unit tests and plugins
sub safe_exit {
# It's fine for us to "exit" because CGI::Compile (used in Plack::App::WrapCGI) redefines "exit" for us automatically.
# Since we only seem to use C4::Auth::safe_exit in a CGI context, we don't actually need PSGI detection at all here.
exit;
}
BEGIN {
C4::Context->set_remote_address;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(
checkauth check_api_auth get_session check_cookie_auth checkpw checkpw_internal checkpw_hash
get_all_subpermissions get_cataloguing_page_permissions get_user_subpermissions in_iprange
get_template_and_user haspermission create_basic_session
);
$ldap = C4::Context->config('useldapserver') || 0;
$cas = C4::Context->preference('casAuthentication');
$caslogout = C4::Context->preference('casLogout');
if ($ldap) {
require C4::Auth_with_ldap;
import C4::Auth_with_ldap qw(checkpw_ldap);
}
if ($cas) {
require C4::Auth_with_cas; # no import
import C4::Auth_with_cas qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url logout_if_required multipleAuth getMultipleAuth);
}
}
=head1 NAME
C4::Auth - Authenticates Koha users
=head1 SYNOPSIS
use CGI qw ( -utf8 );
use C4::Auth;
use C4::Output;
my $query = CGI->new;
my ($template, $borrowernumber, $cookie)
= get_template_and_user(
{
template_name => "opac-main.tt",
query => $query,
type => "opac",
authnotrequired => 0,
flagsrequired => { catalogue => '*', tools => 'import_patrons' },
}
);
output_html_with_http_headers $query, $cookie, $template->output;
=head1 DESCRIPTION
The main function of this module is to provide
authentification. However the get_template_and_user function has
been provided so that a users login information is passed along
automatically. This gets loaded into the template.
=head1 FUNCTIONS
=head2 get_template_and_user
my ($template, $borrowernumber, $cookie)
= get_template_and_user(
{
template_name => "opac-main.tt",
query => $query,
type => "opac",
authnotrequired => 0,
flagsrequired => { catalogue => '*', tools => 'import_patrons' },
}
);
This call passes the C<query>, C<flagsrequired> and C<authnotrequired>
to C<&checkauth> (in this module) to perform authentification.
See C<&checkauth> for an explanation of these parameters.
The C<template_name> is then used to find the correct template for
the page. The authenticated users details are loaded onto the
template in the logged_in_user variable (which is a Koha::Patron object). Also the
C<sessionID> is passed to the template. This can be used in templates
if cookies are disabled. It needs to be put as and input to every
authenticated page.
More information on the C<gettemplate> sub can be found in the
Output.pm module.
=cut
sub get_template_and_user {
my $in = shift;
my ( $user, $cookie, $sessionID, $flags );
$cookie = [];
my $cookie_mgr = Koha::CookieManager->new;
# Get shibboleth login attribute
my $shib = C4::Context->config('useshibboleth') && shib_ok();
my $shib_login = $shib ? get_login_shib() : undef;
C4::Context->interface( $in->{type} );
$in->{'authnotrequired'} ||= 0;
# the following call includes a bad template check; might croak
my $template = C4::Templates::gettemplate(
$in->{'template_name'},
$in->{'type'},
$in->{'query'},
);
my $request_method = $in->{query}->request_method // q{};
unless ( $request_method eq 'POST' && $in->{query}->param('op') eq 'cud-login' ) {
for my $v ( qw( login_userid login_password ) ) {
$in->{query}->param($v, '')
if $in->{query}->param($v);
}
}
if ( $in->{'template_name'} !~ m/maintenance/ ) {
( $user, $cookie, $sessionID, $flags ) = checkauth(
$in->{'query'},
$in->{'authnotrequired'},
$in->{'flagsrequired'},
$in->{'type'},
undef,
$in->{template_name},
{ skip_csrf_check => 1 },
);
}
my $session = get_session($sessionID);
# If we enforce GDPR and the user did not consent, redirect
# Exceptions for consent page itself and SCI/SCO system
if( $in->{type} eq 'opac' && $user &&
$in->{'template_name'} !~ /^(opac-page|opac-patron-consent|sc[io]\/)/ &&
C4::Context->preference('PrivacyPolicyConsent') eq 'Enforced' )
{
my $consent = Koha::Patron::Consents->search({
borrowernumber => getborrowernumber($user),
type => 'GDPR_PROCESSING',
given_on => { '!=', undef },
})->next;
if( !$consent ) {
print $in->{query}->redirect(-uri => '/cgi-bin/koha/opac-patron-consent.pl', -cookie => $cookie);
safe_exit;
}
}
if ( $in->{type} eq 'opac' && $user ) {
my $is_sco_user;
if ($session){
$is_sco_user = $session->param('sco_user');
}
my $kick_out;
if (
# If the user logged in is the SCO user and they try to go out of the SCO module,
# log the user out removing the CGISESSID cookie
$in->{template_name} !~ m|sco/| && $in->{template_name} !~ m|errors/errorpage.tt|
&& (
$is_sco_user ||
(
C4::Context->preference('AutoSelfCheckID')
&& $user eq C4::Context->preference('AutoSelfCheckID')
)
)
)
{
$kick_out = 1;
}
elsif (
# If the user logged in is the SCI user and they try to go out of the SCI module,
# kick them out unless it is SCO with a valid permission
# or they are a superlibrarian
$in->{template_name} !~ m|sci/|
&& haspermission( $user, { self_check => 'self_checkin_module' } )
&& !(
$in->{template_name} =~ m|sco/| && haspermission(
$user, { self_check => 'self_checkout_module' }
)
)
&& $flags && $flags->{superlibrarian} != 1
)
{
$kick_out = 1;
}
if ($kick_out) {
$template = C4::Templates::gettemplate( 'opac-auth.tt', 'opac',
$in->{query} );
$cookie = $cookie_mgr->replace_in_list( $cookie, $in->{query}->cookie(
-name => 'CGISESSID',
-value => '',
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
#NOTE: This JWT should only be used by the self-check controllers
$cookie = $cookie_mgr->replace_in_list( $cookie, $in->{query}->cookie(
-name => 'JWT',
-value => '',
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
my $auth_error = $in->{query}->param('auth_error');
$template->param(
loginprompt => 1,
script_name => get_script_name(),
auth_error => $auth_error,
);
print $in->{query}->header(
{
type => 'text/html',
charset => 'utf-8',
cookie => $cookie,
'X-Frame-Options' => 'SAMEORIGIN'
}
),
$template->output;
safe_exit;
}
}
my $borrowernumber;
my $patron;
if ($user) {
# It's possible for $user to be the borrowernumber if they don't have a
# userid defined (and are logging in through some other method, such
# as SSL certs against an email address)
$borrowernumber = getborrowernumber($user) if defined($user);
if ( !defined($borrowernumber) && defined($user) ) {
$patron = Koha::Patrons->find( $user );
if ($patron) {
$borrowernumber = $user;
# A bit of a hack, but I don't know there's a nicer way
# to do it.
$user = $patron->firstname . ' ' . $patron->surname;
}
} else {
$patron = Koha::Patrons->find( $borrowernumber );
# FIXME What to do if $patron does not exist?
}
if ( $in->{'type'} eq 'opac' ) {
require Koha::Virtualshelves;
my $some_private_shelves = Koha::Virtualshelves->get_some_shelves(
{
borrowernumber => $borrowernumber,
public => 0,
}
);
my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
{
public => 1,
}
);
$template->param(
some_private_shelves => $some_private_shelves,
some_public_shelves => $some_public_shelves,
);
}
# We are going to use the $flags returned by checkauth
# to create the template's parameters that will indicate
# which menus the user can access.
my $authz = Koha::Auth::Permissions->get_authz_from_flags({ flags => $flags });
foreach my $permission ( keys %{ $authz } ){
$template->param( $permission => $authz->{$permission} );
}
# Logged-in opac search history
# If the requested template is an opac one and opac search history is enabled
if ( $in->{type} eq 'opac' && C4::Context->preference('EnableOpacSearchHistory') ) {
my $dbh = C4::Context->dbh;
my $query = "SELECT COUNT(*) FROM search_history WHERE userid=?";
my $sth = $dbh->prepare($query);
$sth->execute($borrowernumber);
# If at least one search has already been performed
if ( $sth->fetchrow_array > 0 ) {
# We show the link in opac
$template->param( EnableOpacSearchHistory => 1 );
}
if (C4::Context->preference('LoadSearchHistoryToTheFirstLoggedUser'))
{
# And if there are searches performed when the user was not logged in,
# we add them to the logged-in search history
my @recentSearches = C4::Search::History::get_from_session( { cgi => $in->{'query'} } );
if (@recentSearches) {
my $query = q{
INSERT INTO search_history(userid, sessionid, query_desc, query_cgi, type, total, time )
VALUES (?, ?, ?, ?, ?, ?, ?)
};
my $sth = $dbh->prepare($query);
$sth->execute( $borrowernumber,
$in->{query}->cookie("CGISESSID"),
$_->{query_desc},
$_->{query_cgi},
$_->{type} || 'biblio',
$_->{total},
$_->{time},
) foreach @recentSearches;
# clear out the search history from the session now that
# we've saved it to the database
}
}
C4::Search::History::set_to_session( { cgi => $in->{'query'}, search_history => [] } );
} elsif ( $in->{type} eq 'intranet' and C4::Context->preference('EnableSearchHistory') ) {
$template->param( EnableSearchHistory => 1 );
}
}
else { # if this is an anonymous session, setup to display public lists...
# If shibboleth is enabled, and we're in an anonymous session, we should allow
# the user to attempt login via shibboleth.
if ($shib) {
$template->param( shibbolethAuthentication => $shib,
shibbolethLoginUrl => login_shib_url( $in->{'query'} ),
);
# If shibboleth is enabled and we have a shibboleth login attribute,
# but we are in an anonymous session, then we clearly have an invalid
# shibboleth koha account.
if ($shib_login) {
$template->param( invalidShibLogin => '1' );
}
}
if ( $in->{'type'} eq 'opac' ){
require Koha::Virtualshelves;
my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
{
public => 1,
}
);
$template->param(
some_public_shelves => $some_public_shelves,
);
# Set default branch if one has been passed by the environment.
$template->param( default_branch => $ENV{OPAC_BRANCH_DEFAULT} ) if $ENV{OPAC_BRANCH_DEFAULT};
}
}
# Sysprefs disabled via URL param
# Note that value must be defined in order to override via ENV
foreach my $syspref (
qw(
OPACUserCSS
OPACUserJS
IntranetUserCSS
IntranetUserJS
OpacAdditionalStylesheet
opaclayoutstylesheet
intranetcolorstylesheet
intranetstylesheet
)
)
{
$ENV{"OVERRIDE_SYSPREF_$syspref"} = q{}
if $in->{'query'}->param("DISABLE_SYSPREF_$syspref");
}
# Anonymous opac search history
# If opac search history is enabled and at least one search has already been performed
if ( C4::Context->preference('EnableOpacSearchHistory') ) {
my @recentSearches = C4::Search::History::get_from_session( { cgi => $in->{'query'} } );
if (@recentSearches) {
$template->param( EnableOpacSearchHistory => 1 );
}
}
if ( C4::Context->preference('dateformat') ) {
$template->param( dateformat => C4::Context->preference('dateformat') );
}
$template->param(auth_forwarded_hash => scalar $in->{'query'}->param('auth_forwarded_hash'));
# these template parameters are set the same regardless of $in->{'type'}
my $minPasswordLength = C4::Context->preference('minPasswordLength');
$minPasswordLength = 3 if not $minPasswordLength or $minPasswordLength < 3;
$template->param(
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 ),
noItemTypeImages => C4::Context->preference("noItemTypeImages"),
marcflavour => C4::Context->preference("marcflavour"),
OPACBaseURL => C4::Context->preference('OPACBaseURL'),
minPasswordLength => $minPasswordLength,
);
if ( $in->{'type'} eq "intranet" ) {
$template->param(
advancedMARCEditor => C4::Context->preference("advancedMARCEditor"),
AllowMultipleCovers => C4::Context->preference('AllowMultipleCovers'),
AmazonCoverImages => C4::Context->preference("AmazonCoverImages"),
AutoLocation => C4::Context->preference("AutoLocation"),
can_see_cataloguing_module => haspermission( $user, get_cataloguing_page_permissions() ) ? 1 : 0,
canreservefromotherbranches => C4::Context->preference('canreservefromotherbranches'),
EasyAnalyticalRecords => C4::Context->preference('EasyAnalyticalRecords'),
EnableBorrowerFiles => C4::Context->preference('EnableBorrowerFiles'),
FRBRizeEditions => C4::Context->preference("FRBRizeEditions"),
IndependentBranches => C4::Context->preference("IndependentBranches"),
intranetcolorstylesheet => C4::Context->preference("intranetcolorstylesheet"),
IntranetFavicon => C4::Context->preference("IntranetFavicon"),
IntranetmainUserblock => C4::Context->preference("IntranetmainUserblock"),
IntranetNav => C4::Context->preference("IntranetNav"),
intranetreadinghistory => C4::Context->preference("intranetreadinghistory"),
IntranetReadingHistoryHolds => C4::Context->preference("IntranetReadingHistoryHolds"),
intranetstylesheet => C4::Context->preference("intranetstylesheet"),
IntranetUserCSS => C4::Context->preference("IntranetUserCSS"),
IntranetUserJS => C4::Context->preference("IntranetUserJS"),
LibraryName => C4::Context->preference("LibraryName"),
LocalCoverImages => C4::Context->preference('LocalCoverImages'),
OPACLocalCoverImages => C4::Context->preference('OPACLocalCoverImages'),
PatronAutoComplete => C4::Context->preference("PatronAutoComplete"),
pending_checkout_notes => Koha::Checkouts->search( { noteseen => 0 } ),
plugins_enabled => C4::Context->config("enable_plugins"),
StaffSerialIssueDisplayCount => C4::Context->preference("StaffSerialIssueDisplayCount"),
UseCourseReserves => C4::Context->preference("UseCourseReserves"),
useDischarge => C4::Context->preference('useDischarge'),
virtualshelves => C4::Context->preference("virtualshelves"),
);
}
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 $pagename =~ /^showmarc$/
or $pagename =~ /^addbybiblionumber$/
or $pagename =~ /^review$/ )
{
$session->clear( ["busc"] ) if $session;
}
}
# 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('limit') && $in->{'query'}->param('limit') =~ /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'};
}
# Decide if the patron can make suggestions in the OPAC
my $can_make_suggestions;
if ( C4::Context->preference('Suggestion') && C4::Context->preference('AnonSuggestions') ) {
$can_make_suggestions = 1;
} elsif ( C4::Context->userenv && C4::Context->userenv->{'number'} ) {
$can_make_suggestions = Koha::Patrons->find(C4::Context->userenv->{'number'})->category->can_make_suggestions;
}
my @search_groups = Koha::Library::Groups->get_search_groups({ interface => 'opac' })->as_list;
$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"),
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"),
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"),
'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"),
opacuserlogin => "" . C4::Context->preference("opacuserlogin"),
OpenLibrarySearch => C4::Context->preference("OpenLibrarySearch"),
ShowReviewer => C4::Context->preference("ShowReviewer"),
ShowReviewerPhoto => C4::Context->preference("ShowReviewerPhoto"),
suggestion => $can_make_suggestions,
virtualshelves => "" . C4::Context->preference("virtualshelves"),
OPACSerialIssueDisplayCount => C4::Context->preference("OPACSerialIssueDisplayCount"),
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 );
$cookie = $cookie_mgr->replace_in_list( $cookie, $languagecookie );
}
# user info
$template->param( loggedinusername => $user ); # OBSOLETE - Do not reuse this in template, use logged_in_user.userid instead
$template->param( loggedinusernumber => $borrowernumber ); # FIXME Should be replaced with logged_in_user.borrowernumber
$template->param( logged_in_user => $patron );
$template->param( sessionID => $sessionID );
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/;
Koha::Logger->get->debug("kohaversion : $kohaversion");
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");
} else {
warn sprintf( "OPAC: " . $warning, 'maintenance' );
print $query->redirect("/cgi-bin/koha/maintenance.pl");
}
safe_exit;
}
}
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;
# 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;
my $params = shift || {}; # do_not_print, skip_csrf_check
my $skip_csrf_check = $params->{skip_csrf_check} || 0;
$type = 'opac' unless $type;
if ( $type eq 'opac' && !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
opac-reset-password.tt
ilsdi.tt
);
$authnotrequired = 0 unless grep { $_ eq $template_name }
@allowed_scripts_for_private_opac;
}
my $timeout = _timeout_syspref();
my $cookie_mgr = Koha::CookieManager->new;
_version_check( $type, $query );
# state variables
my $auth_state = 'failed';
my %info;
my ( $userid, $cookie, $sessionID, $flags );
$cookie = [];
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('login_userid') // '';
my $session;
my $invalid_otp_token;
my $require_2FA =
( $type ne "opac" # Only available for the staff interface
&& C4::Context->preference('TwoFactorAuthentication') ne "disabled" ) # If "enabled" or "enforced"
? 1 : 0;
# 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 = $cookie_mgr->replace_in_list( $cookie, $query->cookie(
-name => 'CGISESSID',
-value => '',
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
}
elsif ( $emailaddress) {
# the Google OpenID Connect passes an email address
}
elsif ( $sessionID = $query->cookie("CGISESSID") ) { # assignment, not comparison
my ( $return, $more_info );
# NOTE: $flags in the following call is still undefined !
( $return, $session, $more_info ) = check_cookie_auth( $sessionID, $flags,
{ remote_addr => $ENV{REMOTE_ADDR}, skip_version_check => 1 }
);
if ( $return eq 'ok' || $return eq 'additional-auth-needed' ) {
$userid = $session->param('id');
}
$auth_state =
$return eq 'ok' ? 'completed'
: $return eq 'additional-auth-needed' ? 'additional-auth-needed'
: 'failed';
# We are at the second screen if the waiting-for-2FA is set in session
# and otp_token param has been passed
if ( $require_2FA
&& $auth_state eq 'additional-auth-needed'
&& ( my $otp_token = $query->param('otp_token') ) )
{
my $patron = Koha::Patrons->find( { userid => $userid } );
my $auth = Koha::Auth::TwoFactorAuth->new( { patron => $patron } );
my $verified = $auth->verify($otp_token);
$auth->clear;
if ( $verified ) {
# The token is correct, the user is fully logged in!
$auth_state = 'completed';
$session->param( 'waiting-for-2FA', 0 );
$session->param( 'waiting-for-2FA-setup', 0 );
# This is an ugly trick to pass the test
# $query->param('koha_login_context') && ( $q_userid ne $userid )
# few lines later
$q_userid = $userid;
}
else {
$invalid_otp_token = 1;
}
}
if ( $auth_state eq 'completed' ) {
Koha::Logger->get->debug(sprintf "AUTH_SESSION: (%s)\t%s %s - %s", map { $session->param($_) || q{} } qw(cardnumber firstname surname branch));
if ( ( $query->param('koha_login_context') && ( $q_userid ne $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...
$anon_search_history = $session->param('search_history');
$session->delete();
$session->flush;
$cookie = $cookie_mgr->clear_unless( $query->cookie, @$cookie );
C4::Context::_unset_userenv($sessionID);
$sessionID = undef;
undef $userid; # IMPORTANT: this assures us a new session in code below
$auth_state = 'failed';
} elsif (!$logout) {
$cookie = $cookie_mgr->replace_in_list( $cookie, $query->cookie(
-name => 'CGISESSID',
-value => $session->id,
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
$flags = haspermission( $userid, $flagsrequired );
unless ( $flags ) {
$auth_state = 'failed';
$info{'nopermission'} = 1;
}
}
} elsif ( !$logout ) {
if ( $return eq 'expired' ) {
$info{timed_out} = 1;
} elsif ( $return eq 'restricted' ) {
$info{oldip} = $more_info->{old_ip};
$info{newip} = $more_info->{new_ip};
$info{different_ip} = 1;
} elsif ( $return eq 'password_expired' ) {
$info{password_has_expired} = 1;
}
}
}
my $request_method = $query->request_method // q{};
if ( $auth_state eq 'failed' || $logout ) {
$sessionID = undef;
$userid = undef;
}
if ($logout) {
# voluntary logout the user
# check wether the user was using their shibboleth session or a local one
my $shibSuccess = C4::Context->userenv ? C4::Context->userenv->{'shibboleth'} : undef;
if ( $session ) {
$session->delete();
$session->flush;
}
C4::Context::_unset_userenv($sessionID);
$cookie = $cookie_mgr->clear_unless( $query->cookie, @$cookie );
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);
}
$session = undef;
$auth_state = 'logout';
}
unless ( $userid ) {
#we initiate a session prior to checking for a username to allow for anonymous sessions...
if( !$session or !$sessionID ) { # if we cleared sessionID, we need a new session
$session = get_session() or die "Auth ERROR: Cannot get_session()";
}
# Save anonymous search history in new session so it can be retrieved
# by get_template_and_user to store it in user's search history after
# a successful login.
if ($anon_search_history) {
$session->param( 'search_history', $anon_search_history );
}
$sessionID = $session->id;
C4::Context->_new_userenv($sessionID);
$cookie = $cookie_mgr->replace_in_list( $cookie, $query->cookie(
-name => 'CGISESSID',
-value => $sessionID,
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
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('login_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( $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;
my $patron;
( $return, $cardnumber, $retuserid, $patron, $cas_ticket ) =
checkpw( $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;
if (
$request_method eq 'POST'
|| ( C4::Context->preference('AutoSelfCheckID')
&& $q_userid eq C4::Context->preference('AutoSelfCheckID') )
)
{
my $patron;
( $return, $cardnumber, $retuserid, $patron, $cas_ticket ) =
checkpw( $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 && $return > 0 ) {
if ( $flags = haspermission( $userid, $flagsrequired ) ) {
$auth_state = "logged_in";
}
else {
$auth_state = 'failed';
# FIXME We could add $return = 0; or even delete the session?
# Currently return == 1 and we will fill session info later on,
# although we do present an authorization failure. (Yes, the
# authentication was actually correct.)
$info{'nopermission'} = 1;
C4::Context::_unset_userenv($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 $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("$select where userid=?");
$sth->execute($userid);
unless ( $sth->rows ) {
$sth = $dbh->prepare("$select where cardnumber=?");
$sth->execute($cardnumber);
unless ( $sth->rows ) {
$sth->execute($userid);
}
}
if ( $sth->rows ) {
( $borrowernumber, $firstname, $surname, $userflags,
$branchcode, $branchname, $emailaddress ) = $sth->fetchrow;
}
# 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
my $patron = Koha::Patrons->find({userid => $userid});
if ( $query->param('branch') && ( haspermission($userid, { 'loggedinlibrary'=> 1 }) || $patron->is_superlibrarian ) ) {
$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->as_list };
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/ ) {
$cookie = $cookie_mgr->replace_in_list( $cookie, $query->cookie(
-name => 'CGISESSID',
-value => '',
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
$info{'wrongip'} = 1;
$auth_state = "failed";
}
}
if ( C4::Context->preference('AutoLocation') && $auth_state ne 'failed' ) {
foreach my $br ( uniq( $branchcode, keys %$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'};
last;
}
}
}
my $is_sco_user = 0;
if ( $query->param('sco_user_login') && ( $query->param('sco_user_login') eq '1' ) ){
$is_sco_user = 1;
}
$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 );
$session->param( 'sco_user', $is_sco_user );
}
$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')
);
}
# $return: 0 = invalid user
# reset to anonymous session
else {
if ($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" ) {
# anonymous sessions are created only for the OPAC
# 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);
}
$session->flush;
} # END unless ($userid)
if ( $auth_state eq 'logged_in' ) {
$auth_state = 'completed';
# Auth is completed unless an additional auth is needed
if ( $require_2FA ) {
my $patron = Koha::Patrons->find({userid => $userid});
if ( C4::Context->preference('TwoFactorAuthentication') eq "enforced" && $patron->auth_method eq 'password' ) {
$auth_state = 'setup-additional-auth-needed';
$session->param('waiting-for-2FA-setup', 1);
%info = ();# We remove the warnings/errors we may have set incorrectly before
} elsif ( $patron->auth_method eq 'two-factor' ) {
# Ask for the OTP token
$auth_state = 'additional-auth-needed';
$session->param('waiting-for-2FA', 1);
%info = ();# We remove the warnings/errors we may have set incorrectly before
}
}
}
# finished authentification, now respond
if ( $auth_state eq 'completed' || $authnotrequired ) {
# successful login
unless (@$cookie) {
$cookie = $cookie_mgr->replace_in_list( $cookie, $query->cookie(
-name => 'CGISESSID',
-value => '',
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax',
));
}
my $patron = $userid ? Koha::Patrons->find({ userid => $userid }) : undef;
$patron->update_lastseen('login') if $patron;
# FIXME This is only needed for scripts not using plack
my $op = $query->param('op');
if ( defined $op && $op =~ m{^cud-} ) {
die "Cannot use GET for this request"
if $request_method eq 'GET';
}
if ( !$skip_csrf_check && $query->param('invalid_csrf_token') ) {
Koha::Exceptions::Token::WrongCSRFToken->throw;
}
# 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('login_password') && $query->param('login_userid') ) {
my $uri = URI->new($query->url(-relative=>1, -query_string=>1));
$uri->query_param_delete('login_userid');
$uri->query_param_delete('login_password');
$uri->query_param_delete('koha_login_context');
$uri->query_param_delete('op');
$uri->query_param_delete('csrf_token');
unless ( $params->{do_not_print} ) {
print $query->redirect( -uri => $uri->as_string, -cookie => $cookie, -status => '303 See other' );
safe_exit;
}
}
return ( $userid, $cookie, $sessionID, $flags );
}
#
#
# AUTH rejected, show the login/password template, after checking the DB.
#
#
my $patron = Koha::Patrons->find({ userid => $q_userid }); # Not necessary logged in!
# get the inputs from the incoming query
my @inputs = ();
my @inputs_to_clean = qw( login_userid login_password ticket logout.x otp_token );
foreach my $name ( param $query) {
next if grep { $name eq $_ } @inputs_to_clean;
my @value = $query->multi_param($name);
push @inputs, { name => $name, value => $_ } for @value;
}
my $LibraryNameTitle = C4::Context->preference("LibraryName");
$LibraryNameTitle =~ s/<(?:\/?)(?:br|p)\s*(?:\/?)>/ /sgi;
$LibraryNameTitle =~ s/<(?:[^<>'"]|'(?:[^']*)'|"(?:[^"]*)")*>//sg;
my $auth_error = $query->param('auth_error');
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,
suggestion => C4::Context->preference("suggestion"),
virtualshelves => C4::Context->preference("virtualshelves"),
LibraryName => "" . C4::Context->preference("LibraryName"),
LibraryNameTitle => "" . $LibraryNameTitle,
opacuserlogin => C4::Context->preference("opacuserlogin"),
OpacFavicon => C4::Context->preference("OpacFavicon"),
opacreadinghistory => C4::Context->preference("opacreadinghistory"),
opaclanguagesdisplay => C4::Context->preference("opaclanguagesdisplay"),
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"),
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 ),
password_has_expired => ( $patron and $patron->password_expired ),
auth_error => $auth_error,
);
$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 ( $auth_state eq 'additional-auth-needed' ) {
my $patron = Koha::Patrons->find( { userid => $userid } );
$template->param(
TwoFA_prompt => 1,
invalid_otp_token => $invalid_otp_token,
notice_email_address => $patron->notice_email_address, # We could also pass logged_in_user if necessary
);
}
if ( $auth_state eq 'setup-additional-auth-needed' ) {
$template->param(
TwoFA_setup => 1,
);
}
if ( $type eq 'opac' ) {
require Koha::Virtualshelves;
my $some_public_shelves = Koha::Virtualshelves->get_some_shelves(
{
public => 1,
}
);
$template->param(
some_public_shelves => $some_public_shelves,
);
}
if ($cas) {
# Is authentication against multiple CAS servers enabled?
require C4::Auth_with_cas;
if ( multipleAuth() && !$casparam ) {
my $casservers = 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"),
%info,
sessionID => $session->id,
);
if ( $params->{do_not_print} ) {
# This must be used for testing purpose only!
return ( undef, undef, undef, undef, $template );
}
print $query->header(
{ type => 'text/html',
charset => 'utf-8',
cookie => $cookie,
'X-Frame-Options' => 'SAMEORIGIN',
-sameSite => 'Lax'
}
),
$template->output;
safe_exit;
}
=head2 check_api_auth
($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
=item "restricted" -- The IP has changed (if SessionRestrictionByIP)
=item "additional-auth-needed -- User is in an authentication process that is not finished
=back
=cut
sub check_api_auth {
my $query = shift;
my $flagsrequired = shift;
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 );
}
my ( $sessionID, $session );
unless ( $query->param('login_userid') ) {
$sessionID = $query->cookie("CGISESSID");
}
if ( $sessionID && not( $cas && $query->param('PT') ) ) {
my $return;
( $return, $session, undef ) = check_cookie_auth(
$sessionID, $flagsrequired, { remote_addr => $ENV{REMOTE_ADDR} } );
return ( $return, undef, undef ) # Cookie auth failed
if $return ne "ok";
my $cookie = $query->cookie(
-name => 'CGISESSID',
-value => $session->id,
-HttpOnly => 1,
-secure => ( C4::Context->https_enabled() ? 1 : 0 ),
-sameSite => 'Lax'
);
return ( $return, $cookie, $session ); # return == 'ok' here
} else {
# new login
my $userid = $query->param('login_userid');
my $password = $query->param('login_password');
my ( $return, $cardnumber, $cas_ticket );
# Proxy CAS auth
if ( $cas && $query->param('PT') ) {
my $retuserid;
# 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( $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;
my $patron;
( $return, $cardnumber, $newuserid, $patron, $cas_ticket ) = checkpw( $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 ),
-sameSite => 'Lax'
);
if ( $return == 1 ) {
my (
$borrowernumber, $firstname, $surname,
$userflags, $branchcode, $branchname,
$emailaddress
);
my $dbh = C4::Context->dbh;
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->as_list };
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, $sessionId) = check_cookie_auth($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<$sessionID> have valid values.
=item "anon" -- user not authenticated but valid for anonymous session.
=item "failed" -- credentials are not correct; C<$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
=item "restricted" -- The IP has changed (if SessionRestrictionByIP)
=back
=cut
sub check_cookie_auth {
my $sessionID = shift;
my $flagsrequired = shift;
my $params = shift;
my $remote_addr = $params->{remote_addr} || $ENV{REMOTE_ADDR};
my $skip_version_check = $params->{skip_version_check}; # Only for checkauth
unless ( $skip_version_check ) {
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 );
}
}
# 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 ( $sessionID ) {
return ( "failed", undef );
}
C4::Context::_unset_userenv($sessionID); # remove old userenv first
my $session = get_session($sessionID);
if ($session) {
my $userid = $session->param('id');
my $ip = $session->param('ip');
my $lasttime = $session->param('lasttime');
my $timeout = _timeout_syspref();
if ( !$lasttime || ( $lasttime < time() - $timeout ) ) {
# time out
$session->delete();
$session->flush;
return ("expired", undef);
} elsif ( C4::Context->preference('SessionRestrictionByIP') && $ip ne $remote_addr ) {
# IP address changed
$session->delete();
$session->flush;
return ( "restricted", undef, { old_ip => $ip, new_ip => $remote_addr});
} elsif ( $userid ) {
$session->param( 'lasttime', time() );
my $patron = Koha::Patrons->find({ userid => $userid });
# If the user modify their own userid
# Better than 500 but we could do better
unless ( $patron ) {
$session->delete();
$session->flush;
return ("expired", undef);
}
$patron = Koha::Patrons->find({ cardnumber => $userid })
unless $patron;
return ("password_expired", undef ) if $patron->password_expired;
my $flags = defined($flagsrequired) ? haspermission( $userid, $flagsrequired ) : 1;
if ($flags) {
C4::Context->_new_userenv($sessionID);
if ( !C4::Context->interface ) {
# No need to override the interface, most often set by get_template_and_user
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')
);
if ( C4::Context->preference('TwoFactorAuthentication') ne 'disabled' ) {
return ( "additional-auth-needed", $session )
if $session->param('waiting-for-2FA');
return ( "setup-additional-auth-needed", $session )
if $session->param('waiting-for-2FA-setup');
}
return ( "ok", $session );
} else {
$session->delete();
$session->flush;
return ( "failed", undef );
}
} else {
C4::Context->_new_userenv($sessionID);
C4::Context->interface($session->param('interface'));
C4::Context->set_userenv( undef, q{} );
return ( "anon", $session );
}
} 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
#NOTE: We're keeping this for backwards compatibility
sub _get_session_params {
return Koha::Session->_get_session_params();
}
#NOTE: We're keeping this for backwards compatibility
sub get_session {
my $sessionID = shift;
my $session = Koha::Session->get_session( { sessionID => $sessionID } );
return $session;
}
=head2 create_basic_session
my $session = create_basic_session({ patron => $patron, interface => $interface });
Creates a session and adds all basic parameters for a session to work
=cut
sub create_basic_session {
my $params = shift;
my $patron = $params->{patron};
my $interface = $params->{interface};
$interface = 'intranet' if $interface eq 'staff';
my $session = get_session("");
$session->param( 'number', $patron->borrowernumber );
$session->param( 'id', $patron->userid );
$session->param( 'cardnumber', $patron->cardnumber );
$session->param( 'firstname', $patron->firstname );
$session->param( 'surname', $patron->surname );
$session->param( 'branch', $patron->branchcode );
$session->param( 'branchname', $patron->library->branchname );
$session->param( 'flags', $patron->flags );
$session->param( 'emailaddress', $patron->email );
$session->param( 'ip', $session->remote_addr() );
$session->param( 'lasttime', time() );
$session->param( 'interface', $interface);
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 ( $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) ) {
my ( $retval, $retcard, $retuserid );
( $retval, $retcard, $retuserid, $patron ) = checkpw_ldap(@_); # EXTERNAL AUTH
if ( $retval == 1 ) {
@return = ( $retval, $retcard, $retuserid, $patron );
$passwd_ok = 1;
}
$check_internal_as_fallback = 1 if $retval == 0;
} elsif ( $cas && $query && $query->param('ticket') ) {
# 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, $patron ) =
checkpw_cas( $ticket, $query, $type ); # EXTERNAL AUTH
if ($retval) {
@return = ( $retval, $retcard, $retuserid, $patron, $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 ) {
# 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, $patron ) =
C4::Auth_with_shibboleth::checkpw_shib($shib_login); # EXTERNAL AUTH
if ($retval) {
@return = ( $retval, $retcard, $retuserid, $patron );
}
$passwd_ok = $retval;
}
} else {
$check_internal_as_fallback = 1;
}
# INTERNAL AUTH
if ($check_internal_as_fallback) {
@return = checkpw_internal( $userid, $password, $no_set_userenv );
push( @return, $patron );
$passwd_ok = 1 if $return[0] > 0; # 1 or 2
}
if ($patron) {
if ($passwd_ok) {
$patron->update( { login_attempts => 0 } );
if ( $patron->password_expired ) {
@return = ( -2, $patron );
}
} elsif ( !$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 ( $userid, $password, $no_set_userenv ) = @_;
$password = Encode::encode( 'UTF-8', $password )
if Encode::is_utf8($password);
my $dbh = C4::Context->dbh;
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 get_cataloguing_page_permissions
my $required_permissions = get_cataloguing_page_permissions();
Returns the required permissions to access the main cataloguing page. Useful for building
the global I<can_see_cataloguing_module> template variable, and also for reusing in
I<cataloging-home.pl>.
=cut
sub get_cataloguing_page_permissions {
my @cataloguing_tools_subperms = qw(
inventory
items_batchdel
items_batchmod
items_batchmod
label_creator
manage_staged_marc
marc_modification_templates
records_batchdel
records_batchmod
stage_marc_import
upload_cover_images
);
return [
{ editcatalogue => '*' }, { tools => \@cataloguing_tools_subperms },
C4::Context->preference('StockRotation') ? { stockrotation => 'manage_rotas' } : ()
];
}
=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) } || Koha::Logger->get->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;
}
END { } # module clean-up code here (global destructor)
1;
__END__
=head1 SEE ALSO
CGI(3)
C4::Output(3)
Crypt::Eksblowfish::Bcrypt(3)
Digest::MD5(3)
=cut
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