246 lines
8.0 KiB
Perl
246 lines
8.0 KiB
Perl
package Lemonldap::NG::Portal::Plugins::Impersonation;
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use strict;
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use Mouse;
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use Lemonldap::NG::Portal::Main::Constants
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qw( PE_OK PE_BADCREDENTIALS PE_IMPERSONATION_SERVICE_NOT_ALLOWED PE_MALFORMEDUSER );
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our $VERSION = '2.0.6';
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extends 'Lemonldap::NG::Portal::Main::Plugin';
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# INITIALIZATION
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use constant afterData => 'run';
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has rule => ( is => 'rw', default => sub { 1 } );
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has idRule => ( is => 'rw', default => sub { 1 } );
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sub hAttr {
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$_[0]->{conf}->{impersonationHiddenAttributes} . ' '
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. $_[0]->{conf}->{hiddenAttributes};
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}
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sub init {
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my ($self) = @_;
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my $hd = $self->p->HANDLER;
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# Parse activation rule
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$self->logger->debug(
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"Impersonation rule -> " . $self->conf->{impersonationRule} );
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my $rule =
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$hd->buildSub( $hd->substitute( $self->conf->{impersonationRule} ) );
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unless ($rule) {
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$self->error( "Bad impersonation rule -> " . $hd->tsv->{jail}->error );
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return 0;
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}
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$self->rule($rule);
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# Parse identity rule
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$self->logger->debug( "Impersonation identities rule -> "
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. $self->conf->{impersonationIdRule} );
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$rule =
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$hd->buildSub( $hd->substitute( $self->conf->{impersonationIdRule} ) );
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unless ($rule) {
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$self->error(
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"Bad impersonation identities rule -> " . $hd->tsv->{jail}->error );
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return 0;
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}
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$self->idRule($rule);
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return 1;
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}
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# RUNNING METHOD
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sub run {
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my ( $self, $req ) = @_;
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return $req->authResult
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if $req->authResult >
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PE_OK; # Skip Impersonation if error during Auth process
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my $statut = PE_OK;
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my $loginHistory =
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$req->{sessionInfo}->{_loginHistory}; # Store login history
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$req->{user} ||= $req->{sessionInfo}->{_impUser}; # If 2FA is enabled
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my $spoofId = $req->param('spoofId') # Impersonation required
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|| $req->{sessionInfo}->{_impSpoofId} # If 2FA is enabled
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|| $req->{user}; # NO Impersonation required
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$self->logger->debug("No impersonation required")
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if ( $spoofId eq $req->{user} );
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unless ( $spoofId =~ /$self->{conf}->{userControl}/o ) {
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$self->userLogger->warn('Malformed spoofed Id');
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$self->logger->debug("Impersonation tried with spoofed Id: $spoofId");
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$spoofId = $req->{user};
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$statut = PE_MALFORMEDUSER;
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}
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# Check activation rule
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if ( $spoofId ne $req->{user} ) {
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$self->logger->debug("Spoof Id: $spoofId / Real Id: $req->{user}");
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unless ( $self->rule->( $req, $req->sessionInfo ) ) {
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$self->userLogger->warn('Impersonation service not authorized');
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$spoofId = $req->{user};
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$statut = PE_IMPERSONATION_SERVICE_NOT_ALLOWED;
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}
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}
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# Fill spoof session
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my ( $realSession, $spoofSession ) = ( {}, {} );
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$self->logger->debug("Rename real attributes...");
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foreach my $k ( keys %{ $req->{sessionInfo} } ) {
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if ( $self->{conf}->{impersonationSkipEmptyValues} ) {
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next unless defined $req->{sessionInfo}->{$k};
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}
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my $spk = "$self->{conf}->{impersonationPrefix}$k";
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unless ( $self->hAttr =~ /\b$k\b/
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|| $k =~ /^(?:_imp|token|_type)\w*\b/ )
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{
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$realSession->{$spk} = $req->{sessionInfo}->{$k};
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$self->logger->debug("-> Store $k in realSession key: $spk");
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}
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$self->logger->debug("Delete $k");
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delete $req->{sessionInfo}->{$k};
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}
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$spoofSession = $self->_userData( $req, $spoofId, $realSession );
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if ( $req->error ) {
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if ( $req->error == PE_BADCREDENTIALS ) {
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$statut = PE_BADCREDENTIALS;
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}
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else {
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return $req->error;
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}
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}
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# Update spoof session
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$self->logger->debug("Populating spoof session...");
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foreach (qw (_auth _userDB authenticationLevel)) {
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$self->logger->debug("Processing $_...");
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$spoofSession->{$_} = $realSession->{"$self->{conf}->{impersonationPrefix}$_"};
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}
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# Merging SSO Groups and hGroups & dedup
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$spoofSession->{groups} ||= '';
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$spoofSession->{hGroups} ||= {};
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if ( $self->{conf}->{impersonationMergeSSOgroups} ) {
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$self->userLogger->warn("MERGING SSO groups and hGroups...");
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my $spg = "$self->{conf}->{impersonationPrefix}groups";
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my $sphg = "$self->{conf}->{impersonationPrefix}hGroups";
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my $separator = $self->{conf}->{multiValuesSeparator};
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## GROUPS
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$realSession->{$spg} ||= '';
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my @spoofGrps = split /\Q$separator/, $spoofSession->{groups};
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my @realGrps = split /\Q$separator/, $realSession->{$spg};
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## hGROUPS
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$realSession->{$sphg} ||= {};
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# Merge specified groups/hGroups only
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unless ( $self->{conf}->{impersonationMergeSSOgroups} eq 1 ) {
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my %SSOgroups = map { $_, 1 } split /\Q$separator/,
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$self->{conf}->{impersonationMergeSSOgroups};
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$self->logger->debug("Filtering specified groups/hGroups...");
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@realGrps = grep { exists $SSOgroups{$_} } @realGrps;
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my %intersct =
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map {
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$realSession->{$sphg}->{$_}
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? ( $_, $realSession->{$sphg}->{$_} )
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: ()
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} keys %SSOgroups;
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$realSession->{$sphg} = \%intersct;
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}
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$self->logger->debug("Processing groups...");
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@spoofGrps = ( @spoofGrps, @realGrps );
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my %hash = map { $_, 1 } @spoofGrps;
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$spoofSession->{groups} = join $separator, sort keys %hash;
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$self->logger->debug("Processing hGroups...");
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$spoofSession->{hGroups} =
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{ %{ $spoofSession->{hGroups} }, %{ $realSession->{$sphg} } };
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}
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# Main session
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$self->p->updateSession( $req, $spoofSession );
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$req->{sessionInfo}->{_loginHistory} =
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$loginHistory; # Restore login history
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$req->steps( [ $self->p->validSession, @{ $self->p->endAuth } ] );
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# Restore _httpSession for Double Cookies
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if ( $self->conf->{securedCookie} >= 2 ) {
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$self->p->updateSession( $req, $spoofSession,
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$req->{sessionInfo}->{real__httpSession} );
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$req->{sessionInfo}->{_httpSession} =
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$req->{sessionInfo}->{real__httpSession};
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}
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return $statut;
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}
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sub _userData {
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my ( $self, $req, $spoofId, $realSession ) = @_;
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my $realId = $req->{user};
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$req->{user} = $spoofId;
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my $raz = 0;
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# Compute Macros and Groups with real and spoof sessions
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$req->{sessionInfo} = {%$realSession};
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# Search user in database
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$req->steps( [
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'getUser', 'setSessionInfo',
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'setMacros', 'setGroups',
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'setLocalGroups'
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]
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);
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if ( my $error = $self->p->process($req) ) {
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if ( $error == PE_BADCREDENTIALS ) {
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$self->userLogger->warn(
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'Impersonation requested for an unvalid user ('
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. $req->{user}
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. ")" );
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}
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$self->logger->debug("Process returned error: $error");
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$req->error($error);
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$raz = 1;
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}
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# Check identity rule if Impersonation required
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if ( $realId ne $spoofId ) {
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unless ( $self->idRule->( $req, $req->sessionInfo ) ) {
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$self->userLogger->warn(
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'Impersonation requested for an unvalid user ('
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. $req->{user}
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. ")" );
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$self->logger->debug('Identity NOT authorized');
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$raz = 1;
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}
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}
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# Same real and spoof session - Compute Macros and Groups
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if ($raz) {
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$req->{sessionInfo} = {};
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$req->{sessionInfo} = {%$realSession};
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$req->{user} = $realId;
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$req->steps( [
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'getUser', 'setSessionInfo',
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'setMacros', 'setGroups',
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'setLocalGroups'
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]
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);
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$self->logger->debug('Spoof session equal real session');
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$req->error(PE_BADCREDENTIALS);
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if ( my $error = $self->p->process($req) ) {
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$self->logger->debug("Process returned error: $error");
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$req->error($error);
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}
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}
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return $req->{sessionInfo};
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}
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1;
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