825 lines
25 KiB
Perl
825 lines
25 KiB
Perl
## @file
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# CAS Issuer file
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## @class
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# CAS Issuer class
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package Lemonldap::NG::Portal::IssuerDBCAS;
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use strict;
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use Lemonldap::NG::Portal::Simple;
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use Lemonldap::NG::Portal::_CAS;
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use base qw(Lemonldap::NG::Portal::_CAS Lemonldap::NG::Portal::_LibAccess);
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our $VERSION = '1.9.0';
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## @method void issuerDBInit()
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# Nothing to do
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# @return Lemonldap::NG::Portal error code
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sub issuerDBInit {
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my $self = shift;
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return PE_OK;
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}
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## @apmethod int issuerForUnAuthUser()
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# Manage CAS request for unauthenticated user
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# @return Lemonldap::NG::Portal error code
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sub issuerForUnAuthUser {
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my $self = shift;
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# CAS URLs
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my $issuerDBCASPath = $self->{issuerDBCASPath};
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my $cas_login = 'login';
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my $cas_logout = 'logout';
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my $cas_validate = 'validate';
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my $cas_serviceValidate = 'serviceValidate';
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my $cas_proxyValidate = 'proxyValidate';
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my $cas_proxy = 'proxy';
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# Called URL
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my $url = $self->url();
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my $url_path = $self->url( -absolute => 1 );
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$url_path =~ s#^//#/#;
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# 1. LOGIN
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if ( $url_path =~ m#${issuerDBCASPath}${cas_login}# ) {
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$self->lmLog( "URL $url detected as an CAS LOGIN URL", 'debug' );
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# GET parameters
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my $service = $self->getHiddenFormValue('service')
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|| $self->param('service');
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my $renew = $self->getHiddenFormValue('renew') || $self->param('renew');
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my $gateway = $self->getHiddenFormValue('gateway')
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|| $self->param('gateway');
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# Keep values in hidden fields
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$self->setHiddenFormValue( 'service', $service );
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$self->setHiddenFormValue( 'renew', $renew );
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$self->setHiddenFormValue( 'gateway', $gateway );
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# Gateway
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if ( $gateway eq 'true' ) {
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# User should already be authenticated
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$self->lmLog(
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"Gateway authentication requested, but user is not logged in",
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'error' );
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# Redirect user to the service
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$self->lmLog( "Redirect user to $service", 'debug' );
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$self->{urldc} = $service;
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return $self->_subProcess(qw(autoRedirect));
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}
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}
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# 2. LOGOUT
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if ( $url_path =~ m#${issuerDBCASPath}${cas_logout}# ) {
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$self->lmLog( "URL $url detected as an CAS LOGOUT URL", 'debug' );
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# GET parameters
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my $logout_url = $self->param('url');
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if ($logout_url) {
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# Display a link to the provided URL
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$self->lmLog( "Logout URL $logout_url will be displayed", 'debug' );
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$self->info( "<h3>" . $self->msg(PM_BACKTOCASURL) . "</h3>" );
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$self->info("<p><a href=\"$logout_url\">$logout_url</a></p>");
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$self->{activeTimer} = 0;
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return PE_CONFIRM;
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}
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return PE_LOGOUT_OK;
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}
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# 3. VALIDATE [CAS 1.0]
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if ( $url_path =~ m#${issuerDBCASPath}${cas_validate}# ) {
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$self->lmLog( "URL $url detected as an CAS VALIDATE URL", 'debug' );
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# GET parameters
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my $service = $self->param('service');
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my $ticket = $self->param('ticket');
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my $renew = $self->param('renew');
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# Required parameters: service and ticket
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unless ( $service and $ticket ) {
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$self->lmLog( "Service and Ticket parameters required", 'error' );
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$self->returnCasValidateError();
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}
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$self->lmLog(
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"Get validate request with ticket $ticket for service $service",
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'debug' );
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unless ( $ticket =~ s/^ST-// ) {
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$self->lmLog( "Provided ticket is not a service ticket (ST)",
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'error' );
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$self->returnCasValidateError();
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}
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my $casServiceSession = $self->getCasSession($ticket);
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unless ($casServiceSession) {
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$self->lmLog( "Service ticket session $ticket not found", 'error' );
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$self->returnCasValidateError();
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}
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$self->lmLog( "Service ticket session $ticket found", 'debug' );
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# Check service
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unless ( $service eq $casServiceSession->data->{service} ) {
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$self->lmLog(
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"Submitted service $service does not match initial service "
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. $casServiceSession->data->{service},
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasValidateError();
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}
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$self->lmLog( "Submitted service $service math initial servce",
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'debug' );
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# Check renew
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if ( $renew eq 'true' ) {
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# We should check the ST was delivered with primary credentials
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$self->lmLog( "Renew flag detected ", 'debug' );
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unless ( $casServiceSession->data->{renew} ) {
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$self->lmLog(
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"Authentication renew requested, but not done in former authentication process",
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasValidateError();
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}
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}
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# Open local session
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my $localSession =
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$self->getApacheSession( $casServiceSession->data->{_cas_id}, 1 );
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unless ($localSession) {
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$self->lmLog(
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"Local session "
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. $casServiceSession->data->{_cas_id}
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. " notfound",
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasValidateError();
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}
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# Get username
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my $username =
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$localSession->data->{ $self->{casAttr} || $self->{whatToTrace} };
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$self->lmLog( "Get username $username", 'debug' );
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# Return success message
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$self->deleteCasSession($casServiceSession);
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$self->returnCasValidateSuccess($username);
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# We should not be there
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return PE_ERROR;
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}
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# 4. SERVICE VALIDATE [CAS 2.0]
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# 5. PROXY VALIDATE [CAS 2.0]
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if ( ( $url_path =~ m#${issuerDBCASPath}${cas_serviceValidate}# )
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|| ( $url_path =~ m#${issuerDBCASPath}${cas_proxyValidate}# ) )
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{
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my $urlType = (
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$url_path =~ m#${issuerDBCASPath}${cas_serviceValidate}#
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? 'SERVICE'
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: 'PROXY'
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);
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$self->lmLog( "URL $url detected as an CAS $urlType VALIDATE URL",
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'debug' );
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# GET parameters
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my $service = $self->param('service');
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my $ticket = $self->param('ticket');
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my $pgtUrl = $self->param('pgtUrl');
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my $renew = $self->param('renew');
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# PGTIOU
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my $casProxyGrantingTicketIOU;
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# Required parameters: service and ticket
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unless ( $service and $ticket ) {
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$self->lmLog( "Service and Ticket parameters required", 'error' );
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$self->returnCasServiceValidateError( 'INVALID_REQUEST',
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'Missing mandatory parameters (service, ticket)' );
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}
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$self->lmLog(
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"Get "
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. lc($urlType)
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. " validate request with ticket $ticket for service $service",
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'debug'
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);
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# Get CAS session corresponding to ticket
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if ( $urlType eq 'SERVICE' and !( $ticket =~ s/^ST-// ) ) {
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$self->lmLog( "Provided ticket is not a service ticket (ST)",
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'error' );
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$self->returnCasServiceValidateError( 'INVALID_TICKET',
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'Provided ticket is not a service ticket' );
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}
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elsif ( $urlType eq 'PROXY' and !( $ticket =~ s/^(P|S)T-// ) ) {
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$self->lmLog(
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"Provided ticket is not a service or proxy ticket ($1T)",
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'error' );
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$self->returnCasServiceValidateError( 'INVALID_TICKET',
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'Provided ticket is not a service or proxy ticket' );
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}
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my $casServiceSession = $self->getCasSession($ticket);
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unless ($casServiceSession) {
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$self->lmLog( "$urlType ticket session $ticket not found",
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'error' );
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$self->returnCasServiceValidateError( 'INVALID_TICKET',
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'Ticket not found' );
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}
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$self->lmLog( "$urlType ticket session $ticket found", 'debug' );
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# Check service
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unless ( $service eq $casServiceSession->data->{service} ) {
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$self->lmLog(
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"Submitted service $service does not match initial service "
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. $casServiceSession->data->{service},
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasServiceValidateError( 'INVALID_SERVICE',
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'Submitted service does not match initial service' );
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}
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$self->lmLog( "Submitted service $service match initial servce",
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'debug' );
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# Check renew
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if ( $renew eq 'true' ) {
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# We should check the ST was delivered with primary credentials
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$self->lmLog( "Renew flag detected ", 'debug' );
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unless ( $casServiceSession->data->{renew} ) {
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$self->lmLog(
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"Authentication renew requested, but not done in former authentication process",
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasValidateError();
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}
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}
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# Proxies (for PROXY VALIDATE only)
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my $proxies = $casServiceSession->data->{proxies};
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# Proxy granting ticket
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if ($pgtUrl) {
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# Create a proxy granting ticket
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$self->lmLog(
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"Create a CAS proxy granting ticket for service $service",
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'debug' );
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my $casProxyGrantingSession = $self->getCasSession();
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if ($casProxyGrantingSession) {
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my $PGinfos;
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# PGT session
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$PGinfos->{type} = 'casProxyGranting';
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$PGinfos->{service} = $service;
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$PGinfos->{_cas_id} = $casServiceSession->data->{_cas_id};
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$PGinfos->{_utime} = $casServiceSession->data->{_utime};
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# Trace proxies
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$PGinfos->{proxies} = (
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$proxies
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? $proxies . $self->{multiValuesSeparator} . $pgtUrl
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: $pgtUrl
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);
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my $casProxyGrantingSessionID = $casProxyGrantingSession->id;
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my $casProxyGrantingTicket =
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"PGT-" . $casProxyGrantingSessionID;
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$casProxyGrantingSession->update($PGinfos);
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$self->lmLog(
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"CAS proxy granting session $casProxyGrantingSessionID created",
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'debug'
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);
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# Generate the proxy granting ticket IOU
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my $tmpCasSession = $self->getCasSession();
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if ($tmpCasSession) {
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$casProxyGrantingTicketIOU = "PGTIOU-" . $tmpCasSession->id;
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$self->deleteCasSession($tmpCasSession);
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$self->lmLog(
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"Generate proxy granting ticket IOU $casProxyGrantingTicketIOU",
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'debug'
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);
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# Request pgtUrl
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if (
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$self->callPgtUrl(
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$pgtUrl,
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$casProxyGrantingTicketIOU,
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$casProxyGrantingTicket
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)
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)
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{
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$self->lmLog(
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"Proxy granting URL $pgtUrl called with success",
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'debug' );
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}
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else {
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$self->lmLog(
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"Error calling proxy granting URL $pgtUrl",
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'warn' );
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$casProxyGrantingTicketIOU = undef;
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}
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}
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}
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else {
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$self->lmLog(
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"Error in proxy granting ticket management, bypass it",
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'warn' );
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}
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}
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# Open local session
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my $localSession =
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$self->getApacheSession( $casServiceSession->data->{_cas_id}, 1 );
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unless ($localSession) {
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$self->lmLog(
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"Local session "
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. $casServiceSession->data->{_cas_id}
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. " notfound",
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'error'
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);
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$self->deleteCasSession($casServiceSession);
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$self->returnCasServiceValidateError( 'INTERNAL_ERROR',
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'No session associated to ticket' );
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}
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# Get username
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my $username =
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$localSession->data->{ $self->{casAttr} || $self->{whatToTrace} };
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$self->lmLog( "Get username $username", 'debug' );
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# Get attributes [CAS 3.0]
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my $attributes = {};
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if ( defined $self->{casAttributes} ) {
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foreach my $casAttribute ( keys %{ $self->{casAttributes} } ) {
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my $localSessionValue =
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$localSession->data->{ $self->{casAttributes}->{$casAttribute}
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};
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$attributes->{$casAttribute} = $localSessionValue
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if defined $localSessionValue;
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}
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}
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# Return success message
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$self->deleteCasSession($casServiceSession);
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$self->returnCasServiceValidateSuccess( $username,
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$casProxyGrantingTicketIOU, $proxies, $attributes );
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# We should not be there
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return PE_ERROR;
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}
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# 6. PROXY [CAS 2.0]
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if ( $url_path =~ m#${issuerDBCASPath}${cas_proxy}# ) {
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$self->lmLog( "URL $url detected as an CAS PROXY URL", 'debug' );
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# GET parameters
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my $pgt = $self->param('pgt');
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my $targetService = $self->param('targetService');
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# Required parameters: pgt and targetService
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unless ( $pgt and $targetService ) {
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$self->lmLog( "Pgt and TargetService parameters required",
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'error' );
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$self->returnCasProxyError( 'INVALID_REQUEST',
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'Missing mandatory parameters (pgt, targetService)' );
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}
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$self->lmLog(
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"Get proxy request with ticket $pgt for service $targetService",
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'debug' );
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# Get CAS session corresponding to ticket
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unless ( $pgt =~ s/^PGT-// ) {
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$self->lmLog(
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"Provided ticket is not a proxy granting ticket (PGT)",
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'error' );
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$self->returnCasProxyError( 'BAD_PGT',
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'Provided ticket is not a proxy granting ticket' );
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}
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my $casProxyGrantingSession = $self->getCasSession($pgt);
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unless ($casProxyGrantingSession) {
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$self->lmLog( "Proxy granting ticket session $pgt not found",
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'error' );
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$self->returnCasProxyError( 'BAD_PGT', 'Ticket not found' );
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}
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$self->lmLog( "Proxy granting session $pgt found", 'debug' );
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# Create a proxy ticket
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$self->lmLog( "Create a CAS proxy ticket for service $targetService",
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'debug' );
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my $casProxySession = $self->getCasSession();
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unless ($casProxySession) {
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$self->lmLog( "Unable to create CAS proxy session", 'error' );
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$self->returnCasProxyError( 'INTERNAL_ERROR',
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'Error in proxy session management' );
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}
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my $Pinfos;
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$Pinfos->{type} = 'casProxy';
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$Pinfos->{service} = $targetService;
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$Pinfos->{_cas_id} = $casProxyGrantingSession->data->{_cas_id};
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$Pinfos->{_utime} = $casProxyGrantingSession->data->{_utime};
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$Pinfos->{proxies} = $casProxyGrantingSession->data->{proxies};
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$casProxySession->update($Pinfos);
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my $casProxySessionID = $casProxySession->id;
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my $casProxyTicket = "PT-" . $casProxySessionID;
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$self->lmLog( "CAS proxy session $casProxySessionID created", 'debug' );
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# Return success message
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$self->returnCasProxySuccess($casProxyTicket);
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# We should not be there
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return PE_ERROR;
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}
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return PE_OK;
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}
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## @apmethod int issuerForAuthUser()
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# Manage CAS request for unauthenticated user
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# @return Lemonldap::NG::Portal error code
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sub issuerForAuthUser {
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my $self = shift;
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# CAS URLs
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my $issuerDBCASPath = $self->{issuerDBCASPath};
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my $cas_login = 'login';
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my $cas_logout = 'logout';
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my $cas_validate = 'validate';
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my $cas_serviceValidate = 'serviceValidate';
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my $cas_proxyValidate = 'proxyValidate';
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my $cas_proxy = 'proxy';
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# Called URL
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my $url = $self->url();
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my $url_path = $self->url( -absolute => 1 );
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$url_path =~ s#^//#/#;
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# Session ID
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my $session_id = $self->{sessionInfo}->{_session_id} || $self->{id};
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# Session creation timestamp
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my $time = $self->{sessionInfo}->{_utime} || time();
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# 1. LOGIN
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if ( $url_path =~ m#${issuerDBCASPath}${cas_login}# ) {
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$self->lmLog( "URL $url detected as an CAS LOGIN URL", 'debug' );
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# GET parameters
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my $service = $self->getHiddenFormValue('service')
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|| $self->param('service');
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my $renew = $self->getHiddenFormValue('renew') || $self->param('renew');
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my $gateway = $self->getHiddenFormValue('gateway')
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|| $self->param('gateway');
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my $casServiceTicket;
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# Renew
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if ( $renew eq 'true' ) {
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# Authentication must be replayed
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$self->lmLog( "Authentication renew requested", 'debug' );
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$self->{updateSession} = 1;
|
|
$self->{error} = $self->_subProcess(
|
|
qw(issuerDBInit authInit issuerForUnAuthUser extractFormInfo
|
|
userDBInit getUser setAuthSessionInfo setSessionInfo
|
|
setMacros setGroups setPersistentSessionInfo
|
|
setLocalGroups authenticate store authFinish)
|
|
);
|
|
|
|
# Return error if any
|
|
if ( $self->{error} > 0 ) {
|
|
$self->lmLog( "Error in authentication renew process",
|
|
'error' );
|
|
return $self->{error};
|
|
}
|
|
}
|
|
|
|
# If no service defined, exit
|
|
unless ( defined $service ) {
|
|
$self->lmLog( "No service defined in CAS URL", 'debug' );
|
|
return PE_OK;
|
|
}
|
|
|
|
# Check access on the service
|
|
my $casAccessControlPolicy = $self->{casAccessControlPolicy};
|
|
|
|
if ( $casAccessControlPolicy =~ /^(error|faketicket)$/i ) {
|
|
$self->lmLog( "CAS access control requested on service $service",
|
|
'debug' );
|
|
|
|
if ( $self->_grant($service) ) {
|
|
$self->lmLog( "CAS service $service access allowed", 'debug' );
|
|
}
|
|
|
|
else {
|
|
$self->lmLog( "CAS service $service access not allowed",
|
|
'error' );
|
|
|
|
if ( $casAccessControlPolicy =~ /^(error)$/i ) {
|
|
$self->lmLog(
|
|
"Return error instead of redirecting user on CAS service",
|
|
'debug'
|
|
);
|
|
return PE_CAS_SERVICE_NOT_ALLOWED;
|
|
}
|
|
|
|
else {
|
|
$self->lmLog(
|
|
"Redirect user on CAS service with a fake ticket",
|
|
'debug' );
|
|
$casServiceTicket = "ST-F4K3T1CK3T";
|
|
}
|
|
}
|
|
}
|
|
|
|
unless ($casServiceTicket) {
|
|
|
|
# Check last authentication time to decide if
|
|
# the authentication is recent or not
|
|
my $casRenewFlag = 0;
|
|
my $last_authn_utime = $self->{sessionInfo}->{_lastAuthnUTime} || 0;
|
|
if (
|
|
time() - $last_authn_utime < $self->{portalForceAuthnInterval} )
|
|
{
|
|
$self->lmLog(
|
|
"Authentication is recent, will set CAS renew flag to true",
|
|
'debug'
|
|
);
|
|
$casRenewFlag = 1;
|
|
}
|
|
|
|
# Create a service ticket
|
|
$self->lmLog( "Create a CAS service ticket for service $service",
|
|
'debug' );
|
|
|
|
my $casServiceSession = $self->getCasSession();
|
|
|
|
unless ($casServiceSession) {
|
|
$self->lmLog( "Unable to create CAS session", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
my $Sinfos;
|
|
$Sinfos->{type} = 'casService';
|
|
$Sinfos->{service} = $service;
|
|
$Sinfos->{renew} = $casRenewFlag;
|
|
$Sinfos->{_cas_id} = $session_id;
|
|
$Sinfos->{_utime} = $time;
|
|
|
|
$casServiceSession->update($Sinfos);
|
|
|
|
my $casServiceSessionID = $casServiceSession->id;
|
|
$casServiceTicket = "ST-" . $casServiceSessionID;
|
|
|
|
$self->lmLog( "CAS service session $casServiceSessionID created",
|
|
'debug' );
|
|
}
|
|
|
|
# Redirect to service
|
|
my $service_url = $service;
|
|
$service_url .= (
|
|
$service =~ /\?/
|
|
? '&ticket=' . $casServiceTicket
|
|
: '?ticket=' . $casServiceTicket
|
|
);
|
|
|
|
$self->lmLog( "Redirect user to $service_url", 'debug' );
|
|
|
|
$self->{urldc} = $service_url;
|
|
|
|
return $self->_subProcess(qw(autoRedirect));
|
|
}
|
|
|
|
# 2. LOGOUT
|
|
if ( $url_path =~ m#${issuerDBCASPath}${cas_logout}# ) {
|
|
|
|
$self->lmLog( "URL $url detected as an CAS LOGOUT URL", 'debug' );
|
|
|
|
# GET parameters
|
|
my $logout_url = $self->param('url');
|
|
|
|
# Delete linked CAS sessions
|
|
$self->deleteCasSecondarySessions($session_id);
|
|
|
|
# Delete local session
|
|
unless (
|
|
$self->_deleteSession( $self->getApacheSession( $session_id, 1 ) ) )
|
|
{
|
|
$self->lmLog( "Fail to delete session $session_id ", 'error' );
|
|
}
|
|
|
|
if ($logout_url) {
|
|
|
|
# Display a link to the provided URL
|
|
$self->lmLog( "Logout URL $logout_url will be displayed", 'debug' );
|
|
|
|
$self->info( "<h3>" . $self->msg(PM_BACKTOCASURL) . "</h3>" );
|
|
$self->info("<p><a href=\"$logout_url\">$logout_url</a></p>");
|
|
$self->{activeTimer} = 0;
|
|
|
|
return PE_CONFIRM;
|
|
}
|
|
|
|
return PE_LOGOUT_OK;
|
|
|
|
}
|
|
|
|
# 3. VALIDATE [CAS 1.0]
|
|
if ( $url_path =~ m#${issuerDBCASPath}${cas_validate}# ) {
|
|
|
|
$self->lmLog( "URL $url detected as an CAS VALIDATE URL", 'debug' );
|
|
|
|
# This URL must not be called by authenticated users
|
|
$self->lmLog(
|
|
"CAS VALIDATE URL called by authenticated user, ignore it",
|
|
'info' );
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
# 4. SERVICE VALIDATE [CAS 2.0]
|
|
if ( $url_path =~ m#${issuerDBCASPath}${cas_serviceValidate}# ) {
|
|
|
|
$self->lmLog( "URL $url detected as an CAS SERVICE VALIDATE URL",
|
|
'debug' );
|
|
|
|
# This URL must not be called by authenticated users
|
|
$self->lmLog(
|
|
"CAS SERVICE VALIDATE URL called by authenticated user, ignore it",
|
|
'info'
|
|
);
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
# 5. PROXY VALIDATE [CAS 2.0]
|
|
if ( $url_path =~ m#${issuerDBCASPath}${cas_proxyValidate}# ) {
|
|
|
|
$self->lmLog( "URL $url detected as an CAS PROXY VALIDATE URL",
|
|
'debug' );
|
|
|
|
# This URL must not be called by authenticated users
|
|
$self->lmLog(
|
|
"CAS PROXY VALIDATE URL called by authenticated user, ignore it",
|
|
'info' );
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
# 6. PROXY [CAS 2.0]
|
|
if ( $url_path =~ m#${issuerDBCASPath}${cas_proxy}# ) {
|
|
|
|
$self->lmLog( "URL $url detected as an CAS PROXY URL", 'debug' );
|
|
|
|
# This URL must not be called by authenticated users
|
|
$self->lmLog( "CAS PROXY URL called by authenticated user, ignore it",
|
|
'info' );
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
## @apmethod int issuerLogout()
|
|
# Destroy linked CAS sessions
|
|
# @return Lemonldap::NG::Portal error code
|
|
sub issuerLogout {
|
|
my $self = shift;
|
|
|
|
# Session ID
|
|
my $session_id = $self->{sessionInfo}->{_session_id} || $self->{id};
|
|
|
|
# Delete linked CAS sessions
|
|
$self->deleteCasSecondarySessions($session_id);
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
=encoding utf8
|
|
|
|
Lemonldap::NG::Portal::IssuerDBCAS - CAS IssuerDB for LemonLDAP::NG
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
CAS Issuer implementation in LemonLDAP::NG
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<Lemonldap::NG::Portal>,
|
|
L<http://www.jasig.org/cas/protocol>
|
|
|
|
=head1 AUTHOR
|
|
|
|
=over
|
|
|
|
=item Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
|
|
|
|
=item François-Xavier Deltombe, E<lt>fxdeltombe@gmail.com.E<gt>
|
|
|
|
=item Xavier Guimard, E<lt>x.guimard@free.frE<gt>
|
|
|
|
=back
|
|
|
|
=head1 BUG REPORT
|
|
|
|
Use OW2 system to report bug or ask for features:
|
|
L<http://jira.ow2.org>
|
|
|
|
=head1 DOWNLOAD
|
|
|
|
Lemonldap::NG is available at
|
|
L<http://forge.objectweb.org/project/showfiles.php?group_id=274>
|
|
|
|
=head1 COPYRIGHT AND LICENSE
|
|
|
|
=over
|
|
|
|
=item Copyright (C) 2010 by Xavier Guimard, E<lt>x.guimard@free.frE<gt>
|
|
|
|
=item Copyright (C) 2012 by François-Xavier Deltombe, E<lt>fxdeltombe@gmail.com.E<gt>
|
|
|
|
=item Copyright (C) 2010, 2011, 2012 by Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
|
|
|
|
=back
|
|
|
|
This library 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 2, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 this program. If not, see L<http://www.gnu.org/licenses/>.
|
|
|
|
=cut
|