lemonldap-ng/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/ContextSwitching.pm
2019-06-23 22:19:40 +02:00

286 lines
8.9 KiB
Perl

package Lemonldap::NG::Portal::Plugins::ContextSwitching;
use strict;
use Mouse;
use Lemonldap::NG::Portal::Main::Constants
qw( PE_OK PE_REDIRECT PE_BADCREDENTIALS PE_IMPERSONATION_SERVICE_NOT_ALLOWED PE_MALFORMEDUSER );
our $VERSION = '2.0.6';
extends
qw(Lemonldap::NG::Portal::Main::Plugin Lemonldap::NG::Portal::Lib::_tokenRule);
# INITIALIZATION
has rule => ( is => 'rw', default => sub { 1 } );
has idRule => ( is => 'rw', default => sub { 1 } );
sub hAttr {
$_[0]->{conf}->{contextSwitchingHiddenAttributes} . ' '
. $_[0]->{conf}->{hiddenAttributes};
}
has ott => (
is => 'rw',
lazy => 1,
default => sub {
my $ott =
$_[0]->{p}->loadModule('Lemonldap::NG::Portal::Lib::OneTimeToken');
$ott->timeout( $_[0]->{conf}->{formTimeout} );
return $ott;
}
);
sub init {
my ($self) = @_;
my $hd = $self->p->HANDLER;
$self->addAuthRoute( switchcontext => 'run', ['POST'] );
$self->addAuthRoute( switchcontext => 'display', ['GET'] );
# Parse activation rule
$self->logger->debug(
'ContextSwitching rule -> ' . $self->conf->{contextSwitchingRule} );
my $rule =
$hd->buildSub( $hd->substitute( $self->conf->{contextSwitchingRule} ) );
unless ($rule) {
$self->error(
'Bad contextSwitching rule -> ' . $hd->tsv->{jail}->error );
return 0;
}
$self->rule($rule);
# Parse identity rule
$self->logger->debug( "ContextSwitching identities rule -> "
. $self->conf->{contextSwitchingIdRule} );
$rule =
$hd->buildSub( $hd->substitute( $self->conf->{contextSwitchingIdRule} ) );
unless ($rule) {
$self->error( "Bad contextSwitching identities rule -> "
. $hd->tsv->{jail}->error );
return 0;
}
$self->idRule($rule);
return 1;
}
# RUNNING METHOD
sub display {
my ( $self, $req ) = @_;
# Check access rules
unless ( $self->rule->( $req, $req->userData )
|| $req->userData->{"$self->{conf}->{impersonationPrefix}_session_id"} )
{
$self->userLogger->error('Context switching service not authorized');
return $self->p->do( $req,
[ sub { PE_IMPERSONATION_SERVICE_NOT_ALLOWED } ] );
}
if ( $req->userData->{"$self->{conf}->{impersonationPrefix}_session_id"} ) {
if ( $self->conf->{contextSwitchingStopWithLogout} ) {
$self->logger->debug('Stop context switching -> Logout requested');
return $self->p->do( $req,
[ @{ $self->p->beforeLogout }, 'authLogout', 'deleteSession' ]
);
}
else {
$self->p->updateSession( $req, $self->_stopImpersonation($req) );
return $self->p->do( $req, [ sub { PE_REDIRECT } ] );
}
}
# Display form
my $params = {
PORTAL => $self->conf->{portal},
MAIN_LOGO => $self->conf->{portalMainLogo},
LANGS => $self->conf->{showLanguages},
MSG => 'contextSwitching_ON',
ALERTE => 'alert-danger',
LOGIN => '',
SPOOFID => $self->conf->{contextSwitchingRule},
TOKEN => (
$self->ottRule->( $req, {} )
? $self->ott->createToken()
: ''
)
};
return $self->p->sendHtml( $req, 'contextSwitching', params => $params, );
}
sub run {
my ( $self, $req ) = @_;
my $statut = PE_OK;
# if ( $req->userData->{"$self->{conf}->{impersonationPrefix}_session_id"} ) {
# if ( $self->conf->{contextSwitchingStopWithLogout} ) {
# $self->userLogger->error('Stop context switching -> Logout requested');
# return $self->p->do( $req,
# [ @{ $self->p->beforeLogout }, 'authLogout', 'deleteSession' ]
# );
# }
# else {
# $self->p->updateSession( $req, $self->_stopImpersonation($req) );
# return $self->p->do( $req, [ sub { PE_REDIRECT } ] );
# }
# }
my $spoofId = $req->param('spoofId') || ''; # Impersonation required ?
# Check activation rule
unless ( $self->rule->( $req, $req->userData ) ) {
$self->userLogger->error('Context switching service not authorized');
$spoofId = '';
return $self->p->do( $req,
[ sub { PE_IMPERSONATION_SERVICE_NOT_ALLOWED } ] );
}
if ( $spoofId && $spoofId ne $req->{user} ) {
$self->logger->debug("Spoof Id: $spoofId");
unless ( $spoofId =~ /$self->{conf}->{userControl}/o ) {
$self->userLogger->error('Malformed spoofed Id');
$self->logger->debug(
"Context switching tried with spoofed Id: $spoofId");
return $self->p->do( $req, [ sub { PE_MALFORMEDUSER } ] );
}
}
else {
$self->logger->debug("No context switching required");
$req->urldc( $self->conf->{portal} );
return $self->p->do( $req, [ sub { PE_OK } ] );
}
# Fill spoof session
my ( $realSession, $spoofSession ) = ( {}, {} );
$self->logger->debug("Rename real attributes...");
foreach ( grep { !/^$self->{conf}->{impersonationPrefix}/ }
keys %{ $req->{userData} } )
{
my $spk = "$self->{conf}->{impersonationPrefix}$_";
$realSession->{$spk} = $req->{userData}->{$_};
$self->logger->debug("-> Store $_ in realSession key: $spk");
$self->logger->debug("Delete $_");
delete $req->{userData}->{$_};
}
$spoofSession = $self->_userData( $req, $spoofId, $realSession );
if ( $req->error ) {
if ( $req->error == PE_BADCREDENTIALS ) {
$statut = PE_MALFORMEDUSER;
}
else {
$statut = $req->error;
}
}
# Update spoof session
unless ($statut) {
$self->logger->debug("Populating spoof session...");
foreach (qw (_auth _userDB _session_id)) {
$self->logger->debug("Processing $_...");
$spk = "$self->{conf}->{impersonationPrefix}$_";
$spoofSession->{$_} = $realSession->{$spk};
}
}
# Main session
$self->p->updateSession( $req, $spoofSession );
return $self->p->do( $req, [ sub { $statut } ] );
}
sub _userData {
my ( $self, $req, $spoofId, $realSession ) = @_;
my $realId = $req->{user};
$req->{user} = $spoofId;
my $raz = 0;
# Compute Macros and Groups with real and spoof sessions
$req->{sessionInfo} = {%$realSession};
# Search user in database
$req->steps( [
'getUser', 'setSessionInfo',
'setMacros', 'setGroups',
'setLocalGroups'
]
);
if ( my $error = $self->p->process($req) ) {
if ( $error == PE_BADCREDENTIALS ) {
$self->userLogger->warn(
'ContextSwitching requested for an unvalid user ('
. $req->{user}
. ")" );
}
$self->logger->debug("Process returned error: $error");
$req->error($error);
$raz = 1;
}
# Check identity rule if Impersonation required
unless ( $self->idRule->( $req, $req->sessionInfo ) ) {
$self->userLogger->warn(
'ContextSwitching requested for an unvalid user ('
. $req->{user}
. ")" );
$self->logger->debug('Identity not authorized');
$req->error(PE_MALFORMEDUSER);
$raz = 1;
}
return $raz ? $self->_abortImpersonation($req) : $req->{sessionInfo};
}
sub displaySwitchContext {
my ( $self, $req ) = @_;
return 'OFF'
if $req->userData->{"$self->{conf}->{impersonationPrefix}_session_id"};
return 'ON' if $self->rule->( $req, $req->userData );
}
sub _stopImpersonation {
my ( $self, $req ) = @_;
$self->logger->debug("stopImpersonation required");
$req->{user} = $req->{userData}->{real__user};
my $realSession = {};
foreach ( keys %{ $req->{userData} } ) {
if (/^$self->{conf}->{impersonationPrefix}/) {
my $key = $_;
$key =~ s/^$self->{conf}->{impersonationPrefix}//;
$realSession->{$key} = $req->{userData}->{$_};
$realSession->{$_} = '';
$self->logger->debug("Rename userData keys -> $_");
delete $req->{userData}->{$_};
}
}
$req->urldc( $self->conf->{portal} );
$req->{id} = $realSession->{_session_id};
return $realSession;
}
sub _abortImpersonation {
my ( $self, $req ) = @_;
$self->logger->debug("abortImpersonation required");
$req->{user} = $req->{sessionInfo}->{real__user};
my $realSession = {};
foreach ( keys %{ $req->{sessionInfo} } ) {
if (/^$self->{conf}->{impersonationPrefix}/) {
my $key = $_;
$key =~ s/^$self->{conf}->{impersonationPrefix}//;
$realSession->{$key} = $req->{sessionInfo}->{$_};
$self->logger->debug("Rename sessionInfo keys -> $_");
delete $req->{sessionInfo}->{$_};
}
}
$req->urldc( $self->conf->{portal} );
$req->{userData} = {$realSession};
$req->{id} = $realSession->{_session_id};
return $realSession;
}
1;