470 lines
15 KiB
Perl
470 lines
15 KiB
Perl
package Lemonldap::NG::Portal::Plugins::CheckUser;
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use strict;
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use Mouse;
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use Lemonldap::NG::Portal::Main::Constants qw(
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PE_BADCREDENTIALS
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PE_TOKENEXPIRED
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PE_NOTOKEN
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PE_MALFORMEDUSER
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);
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our $VERSION = '2.1.0';
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extends qw(
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Lemonldap::NG::Portal::Main::Plugin
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Lemonldap::NG::Portal::Lib::_tokenRule
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Lemonldap::NG::Portal::Lib::OtherSessions
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);
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# INITIALIZATION
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has ott => (
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is => 'rw',
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lazy => 1,
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default => sub {
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my $ott =
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$_[0]->{p}->loadModule('Lemonldap::NG::Portal::Lib::OneTimeToken');
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$ott->timeout( $_[0]->{conf}->{formTimeout} );
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return $ott;
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}
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);
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has idRule => ( is => 'rw', default => sub { 1 } );
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has sorted => ( is => 'rw', default => sub { 0 } );
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sub hAttr {
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$_[0]->{conf}->{checkUserHiddenAttributes} . ' '
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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 = $self->p->HANDLER;
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$self->addAuthRoute( checkuser => 'check', ['POST'] );
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$self->addAuthRouteWithRedirect( checkuser => 'display', ['GET'] );
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# Parse identity rule
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$self->logger->debug(
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"checkUser identities rule -> " . $self->conf->{checkUserIdRule} );
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my $rule =
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$hd->buildSub( $hd->substitute( $self->conf->{checkUserIdRule} ) );
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unless ($rule) {
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$self->error(
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"Bad checkUser identities rule -> " . $hd->tsv->{jail}->error );
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return 0;
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}
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$self->idRule($rule);
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$self->sorted( $self->conf->{impersonationRule}
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|| $self->conf->{contextSwitchingRule} );
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return 1;
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}
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# RUNNING METHODS
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sub check {
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my ( $self, $req ) = @_;
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my ( $attrs, $array_attrs, $array_hdrs ) = ( {}, [], [] );
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my $msg = my $auth = my $compute = '';
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my $authLevel = $req->userData->{authenticationLevel};
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my $authMode = $req->userData->{_auth};
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# Check token
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if ( $self->ottRule->( $req, {} ) ) {
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my $token = $req->param('token');
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unless ($token) {
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$self->userLogger->warn('checkUser try without token');
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$msg = PE_NOTOKEN;
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$token = $self->ott->createToken();
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}
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unless ( $self->ott->getToken($token) ) {
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$self->userLogger->warn('checkUser try with expired/bad token');
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$msg = PE_TOKENEXPIRED;
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$token = $self->ott->createToken();
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}
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my $params = {
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PORTAL => $self->conf->{portal},
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MAIN_LOGO => $self->conf->{portalMainLogo},
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SKIN => $self->p->getSkin($req),
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LANGS => $self->conf->{showLanguages},
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MSG => "PE$msg",
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ALERTE => 'alert-warning',
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LOGIN => '',
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TOKEN => $token,
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};
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return $self->p->sendJSONresponse( $req, $params )
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if ( $req->wantJSON );
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return $self->p->sendHtml( $req, 'checkuser', params => $params, )
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if $msg;
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}
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## Check user session datas
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# Use submitted attribute if exists
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my $url = $req->param('url') || '';
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my $user = $req->param('user') || '';
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if ( $user and $user !~ /$self->{conf}->{userControl}/o ) {
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$user = '';
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$attrs = {};
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return $self->p->sendError( $req, 'Malformed user', 400 )
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if ( $req->wantJSON );
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return $self->p->sendHtml(
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$req,
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'checkuser',
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params => {
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PORTAL => $self->conf->{portal},
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MAIN_LOGO => $self->conf->{portalMainLogo},
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SKIN => $self->p->getSkin($req),
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LANGS => $self->conf->{showLanguages},
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MSG => 'PE' . PE_MALFORMEDUSER,
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ALERTE => 'alert-warning',
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LOGIN => '',
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TOKEN => (
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$self->ottRule->( $req, {} )
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? $self->ott->createToken()
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: ''
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)
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}
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);
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}
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if ( !$user or $user eq $req->{user} ) {
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$self->userLogger->info("checkUser requested for himself");
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$self->userLogger->info("Using spoofed SSO groups if exist")
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if ( $self->conf->{impersonationRule} );
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$attrs = $req->userData;
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$user = $req->{user};
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}
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else {
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$self->userLogger->info("checkUser requested for $user");
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# Try to retrieve session from sessions DB
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$self->logger->debug('Try to retrieve session from DB...');
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my $moduleOptions = $self->conf->{globalStorageOptions} || {};
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$moduleOptions->{backend} = $self->conf->{globalStorage};
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my $sessions =
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$self->module->searchOn( $moduleOptions, $self->conf->{whatToTrace},
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$user );
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my $age = '1';
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foreach my $id ( keys %$sessions ) {
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my $session = $self->p->getApacheSession($id) or next;
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if ( $session->{data}->{_utime} gt $age ) {
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$attrs = $session->{data};
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$age = $session->{data}->{_utime};
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}
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}
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unless ( defined $attrs->{_session_id} ) {
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$req->{user} = $user;
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$self->userLogger->info(
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"No session found in DB. Compute userData...");
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$attrs = $self->_userData($req);
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$compute = 1;
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}
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}
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if ( $req->error ) {
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$msg = 'PE' . $req->{error};
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$array_attrs = [ [], [], [] ];
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$attrs = {};
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}
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else {
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$msg =
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$self->{conf}->{impersonationMergeSSOgroups} eq 1
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? 'checkUserMerged'
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: 'checkUser';
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if ($compute) {
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$msg = 'checkUserComputeSession';
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$attrs->{authenticationLevel} = $authLevel;
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$attrs->{_auth} = $authMode;
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if ( $self->conf->{impersonationRule} ) {
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$self->logger->debug("Map real attributes...");
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my %realAttrs = map {
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( "$self->{conf}->{impersonationPrefix}$_" => $attrs->{$_} )
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} keys %$attrs;
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$attrs = { %$attrs, %realAttrs };
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}
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}
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# Create an array of hashes for template loop
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$self->logger->debug("Delete hidden or empty attributes");
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if ( $self->conf->{checkUserDisplayEmptyValues} ) {
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foreach my $k ( sort keys %$attrs ) {
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# Ignore hidden attributes
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push @$array_attrs, { key => $k, value => $attrs->{$k} }
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unless ( $self->hAttr =~ /\b$k\b/ );
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}
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}
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else {
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foreach my $k ( sort keys %$attrs ) {
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# Ignore hidden attributes and empty values
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push @$array_attrs, { key => $k, value => $attrs->{$k} }
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unless ( $self->hAttr =~ /\b$k\b/ or !$attrs->{$k} );
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}
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}
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# ARRAY_REF = [ A_REF GROUPS, A_REF MACROS, A_REF OTHERS ]
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$array_attrs = $self->_splitAttributes($array_attrs);
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}
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# Check if user is allowed to access submitted URL and compute headers
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if ( $url and %$attrs ) {
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# Check url format
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$url = $self->_urlFormat($url);
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# User is allowed ?
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$self->logger->debug(
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"checkUser requested for user: $attrs->{ $self->{conf}->{whatToTrace} } and URL: $url"
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);
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$auth = $self->_authorization( $req, $url, $attrs );
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if ( $auth >= 0 ) {
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$auth = $auth ? "allowed" : "forbidden";
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$self->logger->debug(
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"checkUser: $attrs->{ $self->{conf}->{whatToTrace} } is "
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. "$auth to access to $url" );
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# Return VirtualHost headers
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$array_hdrs = $self->_headers( $req, $url, $attrs );
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}
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else {
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$auth = 'VHnotFound';
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$self->userLogger->info("checkUser: $url has no configuration");
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}
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}
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my $alert_auth = 'alert-warning';
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if ( $auth eq 'allowed' ) { $alert_auth = 'alert-success' }
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elsif ( $auth eq 'forbidden' ) { $alert_auth = 'alert-danger' }
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# TODO:
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my $params = {
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PORTAL => $self->conf->{portal},
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MAIN_LOGO => $self->conf->{portalMainLogo},
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SKIN => $self->p->getSkin($req),
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LANGS => $self->conf->{showLanguages},
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MSG => $msg,
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ALERTE => ( $msg eq 'checkUser' ? 'alert-info' : 'alert-warning' ),
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LOGIN => $user,
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URL => (
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$self->p->checkXSSAttack( 'URL', $url ) ? ""
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: $url
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),
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ALLOWED => $auth,
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ALERTE_AUTH => $alert_auth,
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HEADERS => $array_hdrs,
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ATTRIBUTES => $array_attrs->[2],
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MACROS => $array_attrs->[1],
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GROUPS => $array_attrs->[0],
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TOKEN => (
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$self->ottRule->( $req, {} ) ? $self->ott->createToken()
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: ''
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)
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};
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return $self->p->sendJSONresponse( $req, $params ) if ( $req->wantJSON );
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# Display form
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return $self->p->sendHtml( $req, 'checkuser', params => $params, );
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}
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sub display {
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my ( $self, $req ) = @_;
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my ( $attrs, $array_attrs ) = ( {}, [] );
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$self->logger->debug("Display current session data...");
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$self->userLogger->info("Using spoofed SSO groups if exist")
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if ( $self->conf->{impersonationRule} );
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$attrs = $req->userData;
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# Create an array of hashes for template loop
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$self->logger->debug("Delete hidden or empty attributes");
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if ( $self->conf->{checkUserDisplayEmptyValues} ) {
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foreach my $k ( sort keys %$attrs ) {
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# Ignore hidden attributes
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push @$array_attrs, { key => $k, value => $attrs->{$k} }
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unless ( $self->hAttr =~ /\b$k\b/ );
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}
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}
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else {
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foreach my $k ( sort keys %$attrs ) {
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# Ignore hidden attributes and empty values
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push @$array_attrs, { key => $k, value => $attrs->{$k} }
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unless ( $self->hAttr =~ /\b$k\b/ or !$attrs->{$k} );
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}
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}
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# ARRAY_REF = [ A_REF GROUPS, A_REF MACROS, A_REF OTHERS ]
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$array_attrs = $self->_splitAttributes($array_attrs);
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# Display form
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my $params = {
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PORTAL => $self->conf->{portal},
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MAIN_LOGO => $self->conf->{portalMainLogo},
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SKIN => $self->p->getSkin($req),
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LANGS => $self->conf->{showLanguages},
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MSG => (
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$self->{conf}->{impersonationMergeSSOgroups} ? 'checkUserMerged'
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: 'checkUser'
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),
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ALERTE => (
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$self->{conf}->{impersonationMergeSSOgroups} ? 'alert-warning'
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: 'alert-info'
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),
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LOGIN => $req->{userData}->{uid},
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ATTRIBUTES => $array_attrs->[2],
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MACROS => $array_attrs->[1],
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GROUPS => $array_attrs->[0],
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TOKEN => (
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$self->ottRule->( $req, {} ) ? $self->ott->createToken()
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: ''
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)
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};
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return $self->sendJSONresponse( $req, $params ) if ( $req->wantJSON );
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return $self->p->sendHtml( $req, 'checkuser', params => $params, );
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}
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sub _urlFormat {
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my ( $self, $url ) = @_;
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$url = 'http://' . $url unless ( $url =~ m#^https?://[^/]*.*#i );
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my ( $proto, $vhost, $appuri ) = $url =~ m#^(https?://)([^/]*)(.*)#i;
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my ($port) = $vhost =~ m#^.+(:\d+)$#;
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$port ||= '';
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$vhost =~ s/:\d+$//;
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$vhost .= $self->conf->{domain} unless ( $vhost =~ /\./ );
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return lc("$proto$vhost$port") . "$appuri";
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}
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sub _userData {
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my ( $self, $req ) = @_;
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# Compute session
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my $steps = [ 'getUser', 'setSessionInfo', 'setMacros', 'setGroups' ];
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$self->conf->{checkUserDisplayPersistentInfo}
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? push @$steps, 'setPersistentSessionInfo', 'setLocalGroups'
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: push @$steps, 'setLocalGroups';
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$req->steps($steps);
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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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'checkUser 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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return $req->error($error);
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}
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unless ( defined $req->sessionInfo->{uid} ) {
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# Avoid error with SAML, OIDC, etc...
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$self->logger->debug("\"$req->{user}\" NOT found in userDB");
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return $req->error(PE_BADCREDENTIALS);
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}
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# Check identities rule
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unless ( $self->idRule->( $req, $req->sessionInfo ) ) {
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$self->userLogger->warn(
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'checkUser requested for an unvalid user (' . $req->{user} . ")" );
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$req->{sessionInfo} = {};
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$self->logger->debug('Identity not authorized');
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return $req->error(PE_BADCREDENTIALS);
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}
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$self->logger->debug("Return \"$req->{user}\" sessionInfo");
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return $req->{sessionInfo};
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}
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sub _authorization {
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my ( $self, $req, $uri, $attrs ) = @_;
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my ( $vhost, $appuri ) = $uri =~ m#^https?://([^/]*)(.*)#;
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my $exist = 0;
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$vhost =~ s/:\d+$//;
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foreach my $vh ( keys %{ $self->conf->{locationRules} } ) {
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if ( $vh eq $vhost ) {
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$exist = 1;
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$self->logger->debug("VirtualHost: $vh found in Conf");
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last;
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}
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}
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$self->logger->debug(
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"Return \"$attrs->{ $self->{conf}->{whatToTrace} }\" authorization");
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return $exist
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? $self->p->HANDLER->grant( $req, $attrs, $appuri, undef, $vhost )
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: -1;
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}
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sub _headers {
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my ( $self, $req, $uri, $attrs ) = @_;
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my ($vhost) = $uri =~ m#^https?://([^/]*).*#;
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$vhost =~ s/:\d+$//;
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$req->{env}->{HTTP_HOST} = $vhost;
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$self->p->HANDLER->headersInit( $self->{conf} );
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$self->logger->debug(
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"Return \"$attrs->{ $self->{conf}->{whatToTrace} }\" headers");
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return $self->p->HANDLER->checkHeaders( $req, $attrs );
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}
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sub _splitAttributes {
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my ( $self, $attrs ) = @_;
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my ( $grps, $mcrs, $others ) = ( [], [], [] );
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my $macros = $self->{conf}->{macros};
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$self->logger->debug("Dispatching attributes...");
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while (@$attrs) {
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my $element = shift @$attrs;
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$self->logger->debug(
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'Processing element: ' . Data::Dumper::Dumper($element) );
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my $ok = 0;
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if ( $element->{key} eq 'groups' ) {
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$self->logger->debug('Key "groups" found');
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my $separator = $self->{conf}->{multiValuesSeparator};
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my @tmp = split /\Q$separator/, $element->{value};
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$grps = [ map { { value => $_ } } sort @tmp ];
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next;
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}
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if (%$macros) {
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foreach my $key ( sort keys %$macros ) {
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if ( $element->{key} eq $key ) {
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$self->logger->debug('Macro found');
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push @$mcrs, $element;
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$ok = 1;
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last;
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}
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}
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}
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push @$others, $element unless $ok;
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}
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# Sort real and spoofed attributes if required
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if ( $self->sorted ) {
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$self->logger->debug('Dispatching real and spoofed attributes...');
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my ( $realAttrs, $spoofedAttrs ) = ( [], [] );
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my $prefix = "$self->{conf}->{impersonationPrefix}";
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while (@$others) {
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my $element = shift @$others;
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$self->logger->debug(
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'Processing attribute: ' . Data::Dumper::Dumper($element) );
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if ( $element->{key} =~ /^$prefix.+$/ ) {
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push @$realAttrs, $element;
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$self->logger->debug(' -> Real attribute');
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}
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else {
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push @$spoofedAttrs, $element;
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$self->logger->debug(' -> Spoofed attribute');
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}
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}
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@$others = ( @$spoofedAttrs, @$realAttrs );
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}
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return [ $grps, $mcrs, $others ];
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}
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1;
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