346 lines
8.6 KiB
Perl
346 lines
8.6 KiB
Perl
package Lemonldap::NG::Portal::Lib::CAS;
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use strict;
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use Mouse;
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our $VERSION = '2.0.0';
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# PROPERTIES
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# return LWP::UserAgent object
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has ua => (
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is => 'rw',
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lazy => 1,
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builder => sub {
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# TODO : LWP options to use a proxy for example
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my $ua = LWP::UserAgent->new();
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push @{ $ua->requests_redirectable }, 'POST';
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$ua->env_proxy();
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return $ua;
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}
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);
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# INITIALIZATION
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sub sendSoapResponse {
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my ( $self, $req, $s ) = @_;
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return [ 200, [ 'Content-Length' => length($s) ], [$s] ];
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}
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# Try to recover the CAS session corresponding to id and return session datas
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# If id is set to undef, return a new session
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sub getCasSession {
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my ( $self, $id ) = @_;
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my $casSession = Lemonldap::NG::Common::Session->new(
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{
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storageModule => $self->conf->{casStorage},
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storageModuleOptions => $self->conf->{casStorageOptions},
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cacheModule => $self->conf->{localSessionStorage},
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cacheModuleOptions => $self->conf->{localSessionStorageOptions},
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id => $id,
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kind => "CAS",
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}
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);
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if ( $casSession->error ) {
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if ($id) {
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$self->p->userInfo("CAS session $id isn't yet available");
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}
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else {
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$self->logger->error("Unable to create new CAS session");
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$self->logger->error( $casSession->error );
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}
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return undef;
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}
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return $casSession;
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}
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# Return an error for CAS VALIDATE request
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sub returnCasValidateError {
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my ( $self, $req ) = @_;
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$self->logger->debug("Return CAS validate error");
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return [ 200, [ 'Content-Length' => 4 ], ["no\n\n"] ];
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}
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# Return success for CAS VALIDATE request
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sub returnCasValidateSuccess {
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my ( $self, $req, $username ) = @_;
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$self->logger->debug("Return CAS validate success with username $username");
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return $self->sendSoapResponse( $req, "yes\n$username\n" );
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}
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# Return an error for CAS SERVICE VALIDATE request
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sub returnCasServiceValidateError {
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my ( $self, $req, $code, $text ) = @_;
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$code ||= 'INTERNAL_ERROR';
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$text ||= 'No description provided';
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$self->logger->debug("Return CAS service validate error $code ($text)");
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return $self->sendSoapResponse(
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$req, "<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
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\t<cas:authenticationFailure code=\"$code\">
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\t\t$text
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\t</cas:authenticationFailure>
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</cas:serviceResponse>\n"
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);
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}
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# Return success for CAS SERVICE VALIDATE request
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sub returnCasServiceValidateSuccess {
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my ( $self, $req, $username, $pgtIou, $proxies, $attributes ) = @_;
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$self->logger->debug(
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"Return CAS service validate success with username $username");
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my $s = "<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
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\t<cas:authenticationSuccess>
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\t\t<cas:user>$username</cas:user>\n";
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if ( defined $attributes ) {
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$s .= "\t\t<cas:attributes>\n";
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foreach my $attribute ( keys %$attributes ) {
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foreach my $value (
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split(
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$self->conf->{multiValuesSeparator},
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$attributes->{$attribute}
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)
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)
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{
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$s .= "\t\t\t<cas:$attribute>$value</cas:$attribute>\n";
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}
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}
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$s .= "\t\t</cas:attributes>\n";
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}
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if ( defined $pgtIou ) {
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$self->logger->debug("Add proxy granting ticket $pgtIou in response");
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$s .=
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"\t\t<cas:proxyGrantingTicket>$pgtIou</cas:proxyGrantingTicket>\n";
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}
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if ($proxies) {
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$self->logger->debug("Add proxies $proxies in response");
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$s .= "\t\t<cas:proxies>\n\t\t\t<cas:proxy>$_</cas:proxy>\n"
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foreach ( split( /$self->{multiValuesSeparator}/, $proxies ) );
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$s .= "\t\t</cas:proxies>\n";
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}
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$s .= "\t</cas:authenticationSuccess>\n</cas:serviceResponse>\n";
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return $self->sendSoapResponse( $req, $s );
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}
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# Return an error for CAS PROXY request
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sub returnCasProxyError {
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my ( $self, $req, $code, $text ) = @_;
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$code ||= 'INTERNAL_ERROR';
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$text ||= 'No description provided';
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$self->logger->debug("Return CAS proxy error $code ($text)");
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return $self->sendSoapResponse(
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$req, "<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
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\t<cas:proxyFailure code=\"$code\">
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\t\t$text
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\t</cas:proxyFailure>
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</cas:serviceResponse>\n"
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);
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}
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# Return success for CAS PROXY request
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sub returnCasProxySuccess {
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my ( $self, $req, $ticket ) = @_;
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$self->logger->debug("Return CAS proxy success with ticket $ticket");
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return $self->sendSoapResponse(
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$req, "<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
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\t<cas:proxySuccess>
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\t\t<cas:proxyTicket>$ticket</cas:proxyTicket>
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\t</cas:proxySuccess>
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</cas:serviceResponse>\n"
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);
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}
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# Find and delete CAS sessions bounded to a primary session
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sub deleteCasSecondarySessions {
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my ( $self, $session_id ) = @_;
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my $result = 1;
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# Find CAS sessions
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my $moduleOptions = $self->conf->{casStorageOptions} || {};
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$moduleOptions->{backend} = $self->conf->{casStorage};
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my $module = "Lemonldap::NG::Common::Apache::Session";
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my $cas_sessions =
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$module->searchOn( $moduleOptions, "_cas_id", $session_id );
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if ( my @cas_sessions_keys = keys %$cas_sessions ) {
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foreach my $cas_session (@cas_sessions_keys) {
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# Get session
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$self->logger->debug("Retrieve CAS session $cas_session");
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my $casSession = $self->getCasSession($cas_session);
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# Delete session
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$result = $self->deleteCasSession($casSession);
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}
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}
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else {
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$self->logger->debug("No CAS session found for session $session_id ");
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}
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return $result;
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}
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# Delete an opened CAS session
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sub deleteCasSession {
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my ( $self, $session ) = @_;
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# Check session object
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unless ( $session && $session->data ) {
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$self->logger->error("No session to delete");
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return 0;
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}
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# Get session_id
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my $session_id = $session->id;
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# Delete session
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unless ( $session->remove ) {
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$self->logger->error( $session->error );
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return 0;
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}
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$self->logger->debug("CAS session $session_id deleted");
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return 1;
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}
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# Call proxy granting URL on CAS client
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sub callPgtUrl {
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my ( $self, $pgtUrl, $pgtIou, $pgtId ) = @_;
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# Build URL
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my $url =
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$pgtUrl . ( $pgtUrl =~ /\?/ ? '&' : '?' ) . "pgtIou=$pgtIou&pgtId=$pgtId";
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$self->logger->debug("Call URL $url");
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# GET URL
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my $response = $self->ua->get($url);
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# Return result
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return $response->is_success();
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}
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1;
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__END__
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=head1 NAME
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=encoding utf8
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Lemonldap::NG::Portal::Lib::CAS - Common CAS functions
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=head1 SYNOPSIS
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use Lemonldap::NG::Portal::Lib::CAS;
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=head1 DESCRIPTION
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This module contains common methods for CAS
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=head1 METHODS
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=head2 getCasSession
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Try to recover the CAS session corresponding to id and return session datas
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If id is set to undef, return a new session
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=head2 returnCasValidateError
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Return an error for CAS VALIDATE request
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=head2 returnCasValidateSuccess
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Return success for CAS VALIDATE request
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=head2 deleteCasSecondarySessions
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Find and delete CAS sessions bounded to a primary session
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=head2 returnCasServiceValidateError
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Return an error for CAS SERVICE VALIDATE request
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=head2 returnCasServiceValidateSuccess
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Return success for CAS SERVICE VALIDATE request
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=head2 returnCasProxyError
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Return an error for CAS PROXY request
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=head2 returnCasProxySuccess
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Return success for CAS PROXY request
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=head2 deleteCasSession
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Delete an opened CAS session
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=head2 callPgtUrl
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Call proxy granting URL on CAS client
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=head1 SEE ALSO
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L<Lemonldap::NG::Portal::IssuerDBCAS>
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=head1 AUTHORS
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=over
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=item LemonLDAP::NG team L<http://lemonldap-ng.org/team>
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=back
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=head1 BUG REPORT
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Use OW2 system to report bug or ask for features:
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L<http://jira.ow2.org>
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=head1 DOWNLOAD
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Lemonldap::NG is available at
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L<http://forge.objectweb.org/project/showfiles.php?group_id=274>
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=head1 COPYRIGHT AND LICENSE
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See COPYING file for details.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see L<http://www.gnu.org/licenses/>.
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=cut
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