1411 lines
45 KiB
Perl
1411 lines
45 KiB
Perl
## @file
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# SAML Service Provider - Authentication
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## @class
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# SAML Service Provider - Authentication
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package Lemonldap::NG::Portal::AuthSAML;
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use strict;
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use Lemonldap::NG::Portal::Simple;
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use Lemonldap::NG::Portal::_SAML; #inherits
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use Lemonldap::NG::Common::Conf::SAML::Metadata;
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our $VERSION = '0.1';
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our @ISA = qw(Lemonldap::NG::Portal::_SAML);
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## @apmethod int authInit()
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# Load Lasso and metadata
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# @return Lemonldap::NG::Portal error code
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sub authInit {
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my $self = shift;
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# Load SAML service
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return PE_ERROR unless $self->loadService();
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# Load SAML identity providers
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return PE_ERROR unless $self->loadIDPs();
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PE_OK;
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}
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## @apmethod int extractFormInfo()
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# Check authentication statement or create authentication request
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# @return Lemonldap::NG::Portal error code
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sub extractFormInfo {
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my $self = shift;
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my $server = $self->{_lassoServer};
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# 1. Get HTTP request informations to know
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# if we are receving SAML request or response
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my $url = $self->url();
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my $request_method = $self->request_method();
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my $content_type = $self->content_type();
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my $saml_acs_art_url = $self->getMetaDataURL(
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"samlSPSSODescriptorAssertionConsumerServiceHTTPArtifact");
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my $saml_acs_post_url = $self->getMetaDataURL(
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"samlSPSSODescriptorAssertionConsumerServiceHTTPPost");
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my $saml_acs_get_url = $self->getMetaDataURL(
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"samlSPSSODescriptorAssertionConsumerServiceHTTPRedirect");
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my $saml_slo_soap_url =
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$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceSOAP", 1 );
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my $saml_slo_soap_url_ret =
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$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceSOAP", 2 );
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my $saml_slo_get_url = $self->getMetaDataURL(
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"samlSPSSODescriptorSingleLogoutServiceHTTPRedirect", 1 );
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my $saml_slo_get_url_ret = $self->getMetaDataURL(
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"samlSPSSODescriptorSingleLogoutServiceHTTPRedirect", 2 );
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my $saml_slo_post_url =
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$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceHTTPPost",
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1 );
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my $saml_slo_post_url_ret =
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$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceHTTPPost",
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2 );
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my $saml_ars_url = $self->getMetaDataURL(
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"samlSPSSODescriptorArtifactResolutionServiceArtifact");
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# 1.1 SSO assertion consumer
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if ( $url =~
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/^(\Q$saml_acs_art_url\E|\Q$saml_acs_post_url\E|\Q$saml_acs_get_url\E)$/io
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)
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{
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$self->lmLog( "URL $url detected as an SSO assertion consumer URL",
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'debug' );
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# Check SAML Message
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my ( $request, $response, $method, $relaystate, $artifact ) =
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$self->checkMessage( $url, $request_method, $content_type, "login" );
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# Create Login object
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my $login = $self->createLogin($server);
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# Ignore signature verification
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$self->disableSignatureVerification($login);
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if ($response) {
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# Process authentication response
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my $result;
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if ($artifact) {
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$result = $self->processArtResponseMsg( $login, $response );
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}
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else {
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$result = $self->processAuthnResponseMsg( $login, $response );
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}
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unless ($result) {
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$self->lmLog( "SSO: Fail to process authentication response",
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'error' );
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return PE_ERROR;
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}
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$self->lmLog( "SSO: authentication response is valid", 'debug' );
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# Get IDP entityID
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my $idp = $login->remote_providerID();
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$self->lmLog( "Found entityID $idp in SAML message", 'debug' );
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# IDP conf key
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my $idpConfKey = $self->{_idpList}->{$idp}->{confKey};
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unless ($idpConfKey) {
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$self->lmLog( "$idp do not match any IDP in configuration",
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'error' );
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return PE_ERROR;
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}
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$self->lmLog( "$idp match $idpConfKey IDP in configuration",
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'debug' );
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# Do we check signature?
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my $checkSSOMessageSignature =
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$self->{samlIDPMetaDataOptions}->{$idpConfKey}
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->{samlIDPMetaDataOptionsCheckSSOMessageSignature};
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if ($checkSSOMessageSignature) {
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unless ( $self->checkSignatureStatus($login) ) {
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$self->lmLog( "Signature is not valid", 'error' );
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return PE_ERROR;
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}
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else {
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$self->lmLog( "Signature is valid", 'debug' );
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}
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}
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else {
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$self->lmLog( "Message signature will not be checked",
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'debug' );
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}
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# Get SAML response
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my $saml_response = $login->response();
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unless ($saml_response) {
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$self->lmLog( "No SAML response found", 'error' );
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return PE_ERROR;
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}
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# Check Destination
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return PE_ERROR
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unless ( $self->checkDestination( $saml_response, $url ) );
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# Replay protection if this is a response to a created authn request
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my $assertion_responded = $saml_response->InResponseTo;
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if ($assertion_responded) {
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unless ( $self->replayProtection($assertion_responded) ) {
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# Assertion was already consumed or is expired
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# Force authentication replay
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$self->lmLog(
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"Message $assertion_responded already used or expired, replay authentication",
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'error'
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);
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delete $self->{urldc};
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$self->{mustRedirect} = 1;
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$self->{error} = $self->_subProcess(qw(autoRedirect));
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return $self->{error};
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}
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}
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else {
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$self->lmLog(
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"Assertion is not a response to a created authentication request, do not control replay",
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'debug'
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);
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}
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# Get SAML assertion
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my $assertion = $self->getAssertion($login);
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unless ($assertion) {
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$self->lmLog( "No assertion found", 'error' );
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return PE_ERROR;
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}
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# Do we check conditions?
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my $checkConditions =
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$self->{samlIDPMetaDataOptions}->{$idpConfKey}
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->{samlIDPMetaDataOptionsCheckConditions};
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# Check conditions - time and audience
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if ( $checkConditions
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and
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!$self->validateConditions( $assertion, $self->{samlEntityID} )
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)
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{
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$self->lmLog( "Conditions not validated", 'error' );
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return PE_ERROR;
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}
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# Extract RelayState information
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if ( $self->extractRelayState($relaystate) ) {
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$self->lmLog( "RelayState $relaystate extracted", 'debug' );
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}
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# Check if we accept direct login from IDP
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my $allowLoginFromIDP =
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$self->{samlIDPMetaDataOptions}->{$idpConfKey}
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->{samlIDPMetaDataOptionsAllowLoginFromIDP};
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if ( !$assertion_responded and !$allowLoginFromIDP ) {
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$self->lmLog(
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"Direct login from IDP $idpConfKey is not allowed",
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'error' );
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return PE_ERROR;
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}
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# Check authentication context
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my $responseAuthnContext;
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eval {
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$responseAuthnContext =
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$assertion->AuthnStatement()->AuthnContext()
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->AuthnContextClassRef();
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};
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if ($@) {
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$self->lmLog(
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"Unable to get authentication context from $idpConfKey",
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'debug' );
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$responseAuthnContext = $self->getAuthnContext("unspecified");
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}
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else {
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$self->lmLog(
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"Found authentication context: $responseAuthnContext",
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'debug' );
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}
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# Map authentication context to authentication level
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$self->{sessionInfo}->{authenticationLevel} =
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$self->authnContext2authnLevel($responseAuthnContext);
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# Force redirection to portal if no urldc found
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# (avoid displaying the whole SAML URL in user browser URL field)
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$self->{mustRedirect} = 1 unless ( $self->{urldc} );
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# Get SessionIndex
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my $session_index;
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eval {
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$session_index = $assertion->AuthnStatement()->SessionIndex();
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};
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if ( $@ or !defined($session_index) ) {
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$self->lmLog( "No SessionIndex found", 'debug' );
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}
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else {
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$self->lmLog( "Found SessionIndex $session_index", 'debug' );
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}
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# Get NameID
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my $nameid = $login->nameIdentifier;
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# Set user
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my $user = $nameid->content;
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unless ($user) {
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$self->lmLog( "No NameID value found", 'error' );
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return PE_USERNOTFOUND;
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}
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$self->lmLog( "Found NameID: $user", 'debug' );
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$self->{user} = $user;
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# Store Lasso objects
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$self->{_lassoLogin} = $login;
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$self->{_idp} = $idp;
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$self->{_idpConfKey} = $idpConfKey;
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$self->{_nameID} = $nameid;
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$self->{_sessionIndex} = $session_index;
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# Store Token
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my $saml_token = $assertion->export_to_xml;
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$self->lmLog( "SAML Token: $saml_token", 'debug' );
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$self->{_samlToken} = $saml_token;
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return PE_OK;
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}
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elsif ($request) {
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# Do nothing
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$self->lmLog(
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"This module do not manage SSO request, see IssuerDBSAML",
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'debug' );
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return PE_OK;
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}
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else {
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# This should not happen
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$self->lmLog( "SSO request or response was not found", 'error' );
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# Redirect user
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$self->{mustRedirect} = 1;
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$self->{error} = $self->_subProcess(qw(autoRedirect));
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return $self->{error};
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}
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}
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# 1.2 SLO
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elsif ( $url =~
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/^(\Q$saml_slo_soap_url\E|\Q$saml_slo_soap_url_ret\E|\Q$saml_slo_get_url\E|\Q$saml_slo_get_url_ret\E|Q$saml_slo_post_url\E|\Q$saml_slo_post_url_ret\E)$/io
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)
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{
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$self->lmLog( "URL $url detected as an SLO URL", 'debug' );
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# Check SAML Message
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my ( $request, $response, $method, $relaystate, $artifact ) =
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$self->checkMessage( $url, $request_method, $content_type, "logout" );
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# Create Logout object
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my $logout = $self->createLogout($server);
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# Ignore signature verification
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$self->disableSignatureVerification($logout);
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if ($response) {
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# Process logout response
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my $result = $self->processLogoutResponseMsg( $logout, $response );
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unless ($result) {
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$self->lmLog( "Fail to process logout response", 'error' );
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return PE_ERROR;
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}
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$self->lmLog( "Logout response is valid", 'debug' );
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# Check Destination
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return PE_ERROR
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unless ( $self->checkDestination( $logout->response, $url ) );
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# Get IDP entityID
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my $idp = $logout->remote_providerID();
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$self->lmLog( "Found entityID $idp in SAML message", 'debug' );
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# IDP conf key
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my $idpConfKey = $self->{_idpList}->{$idp}->{confKey};
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unless ($idpConfKey) {
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$self->lmLog( "$idp do not match any IDP in configuration",
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'error' );
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return PE_ERROR;
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}
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$self->lmLog( "$idp match $idpConfKey IDP in configuration",
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'debug' );
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# Do we check signature?
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my $checkSLOMessageSignature =
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$self->{samlIDPMetaDataOptions}->{$idpConfKey}
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->{samlIDPMetaDataOptionsCheckSLOMessageSignature};
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if ($checkSLOMessageSignature) {
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unless ( $self->checkSignatureStatus($logout) ) {
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$self->lmLog( "Signature is not valid", 'error' );
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return PE_ERROR;
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}
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else {
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$self->lmLog( "Signature is valid", 'debug' );
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}
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}
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else {
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$self->lmLog( "Message signature will not be checked",
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'debug' );
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}
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# Replay protection
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my $samlID = $logout->response()->InResponseTo;
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unless ( $self->replayProtection($samlID) ) {
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# Logout request was already consumed or is expired
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$self->lmLog( "Message $samlID already used or expired",
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'error' );
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return PE_ERROR;
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}
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# If URL in RelayState, different from portal, redirect user
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if ( $self->extractRelayState($relaystate) ) {
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$self->lmLog( "RelayState $relaystate extracted", 'debug' );
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$self->lmLog( "URL " . $self->{urldc} . " found in RelayState",
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'debug' );
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}
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$self->_subProcess(qw(autoRedirect))
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if ( $self->{urldc}
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and $self->{portal} !~ /\Q$self->{urldc}\E\/?/ );
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# Else, inform user that logout is OK
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return PE_LOGOUT_OK;
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}
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elsif ($request) {
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# Logout error
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my $logout_error = 0;
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# Lasso::Session dump
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my $session_dump;
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# Process logout request
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unless ( $self->processLogoutRequestMsg( $logout, $request ) ) {
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$self->lmLog( "Fail to process logout request", 'error' );
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$logout_error = 1;
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}
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$self->lmLog( "Logout request is valid", 'debug' );
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# Check Destination
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return PE_ERROR
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unless ( $self->checkDestination( $logout->request, $url ) );
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# Get IDP entityID
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my $idp = $logout->remote_providerID();
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$self->lmLog( "Found entityID $idp in SAML message", 'debug' );
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# IDP conf key
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my $idpConfKey = $self->{_idpList}->{$idp}->{confKey};
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unless ($idpConfKey) {
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$self->lmLog( "$idp do not match any IDP in configuration",
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'error' );
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return PE_ERROR;
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}
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$self->lmLog( "$idp match $idpConfKey IDP in configuration",
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'debug' );
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# Do we check signature?
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my $checkSLOMessageSignature =
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$self->{samlIDPMetaDataOptions}->{$idpConfKey}
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->{samlIDPMetaDataOptionsCheckSLOMessageSignature};
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if ($checkSLOMessageSignature) {
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unless ( $self->checkSignatureStatus($logout) ) {
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$self->lmLog( "Signature is not valid", 'error' );
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return PE_ERROR;
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}
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else {
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$self->lmLog( "Signature is valid", 'debug' );
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}
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}
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else {
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$self->lmLog( "Message signature will not be checked",
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'debug' );
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}
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# Get NameID and SessionIndex
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my $name_id = $logout->request()->NameID;
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my $session_index = $logout->request()->SessionIndex;
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my $user = $name_id->content;
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unless ($name_id) {
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$self->lmLog( "Fail to get NameID from logout request",
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'error' );
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$logout_error = 1;
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}
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$self->lmLog( "Logout request NameID content: $user", 'debug' );
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# Get SAML sessions with the same NameID
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my $local_sessions =
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$self->{samlStorage}->searchOn( $self->{samlStorageOptions},
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"_nameID", $name_id->dump );
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if ( my @local_sessions_keys = keys %$local_sessions ) {
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# At least one session was found
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foreach (@local_sessions_keys) {
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my $local_session = $_;
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# Get session
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$self->lmLog(
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"Retrieve SAML session $local_session for user $user",
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'debug' );
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my $sessionInfo = $self->getSamlSession($local_session);
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# If session index is defined and not equal to SAML session index,
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# jump to next session
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if ( defined $session_index
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and $session_index ne $sessionInfo->{_sessionIndex} )
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{
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$self->lmLog(
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"Session $local_session has not the good session index, skipping",
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'debug'
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);
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next;
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}
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# Delete session
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else {
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# Open real session
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my $real_session = $sessionInfo->{_id};
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my $realSessionInfo =
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$self->getApacheSession( $sessionInfo->{_id}, 1 );
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# Get Lasso::Session dump
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# This value is erased if a next session match the SLO request
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if ( $realSessionInfo
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&& $realSessionInfo->{_lassoSessionDump} )
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{
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$self->lmLog(
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"Get Lasso::Session dump from session $real_session",
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'debug'
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);
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$session_dump =
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$realSessionInfo->{_lassoSessionDump};
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}
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# Delete real session
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my $del_real_result =
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$self->_deleteSession($realSessionInfo);
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$self->lmLog(
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"Delete real session $real_session result: $del_real_result",
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'debug'
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);
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$logout_error = 1 unless $del_real_result;
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# Delete SAML session
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|
my $del_saml_result =
|
|
$self->_deleteSession($sessionInfo);
|
|
|
|
$self->lmLog(
|
|
"Delete SAML session $local_session result: $del_saml_result",
|
|
'debug'
|
|
);
|
|
|
|
$logout_error = 1 unless $del_saml_result;
|
|
}
|
|
}
|
|
|
|
# Set session from dump
|
|
unless ( $self->setSessionFromDump( $logout, $session_dump ) ) {
|
|
$self->lmLog( "Cannot set session from dump in logout",
|
|
'error' );
|
|
$logout_error = 1;
|
|
}
|
|
|
|
}
|
|
else {
|
|
|
|
# No corresponding session found
|
|
$self->lmLog( "No SAML session found for user $user", 'debug' );
|
|
|
|
$logout_error = 1;
|
|
|
|
}
|
|
|
|
# Validate request if no previous error
|
|
unless ($logout_error) {
|
|
unless ( $self->validateLogoutRequest($logout) ) {
|
|
$self->lmLog( "SLO request is not valid", 'error' );
|
|
}
|
|
}
|
|
|
|
# Set RelayState
|
|
if ($relaystate) {
|
|
$logout->msg_relayState($relaystate);
|
|
$self->lmLog( "Set $relaystate in RelayState", 'debug' );
|
|
}
|
|
|
|
# Do we set signature?
|
|
my $signSLOMessage =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsSignSLOMessage};
|
|
|
|
if ( $signSLOMessage == 0 ) {
|
|
$self->lmLog(
|
|
"SLO message to IDP $idpConfKey will not be signed",
|
|
'debug' );
|
|
$self->disableSignature($logout);
|
|
}
|
|
elsif ( $signSLOMessage == 1 ) {
|
|
$self->lmLog( "SLO message to IDP $idpConfKey will be signed",
|
|
'debug' );
|
|
$self->forceSignature($logout);
|
|
}
|
|
else {
|
|
$self->lmLog(
|
|
"SLO message to IDP $idpConfKey signature according to metadata",
|
|
'debug'
|
|
);
|
|
}
|
|
|
|
# Logout response
|
|
unless ( $self->buildLogoutResponseMsg($logout) ) {
|
|
$self->lmLog( "Unable to build SLO response", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Send response depending on request method
|
|
# HTTP-REDIRECT
|
|
if ( $method == Lasso::Constants::HTTP_METHOD_REDIRECT ) {
|
|
|
|
# Redirect user to response URL
|
|
my $slo_url = $logout->msg_url;
|
|
$self->lmLog( "Redirect user to $slo_url", 'debug' );
|
|
|
|
$self->{urldc} = $slo_url;
|
|
|
|
$self->_subProcess(qw(autoRedirect));
|
|
|
|
# If we are here, there was a problem with GET request
|
|
$self->lmLog( "Logout response was not sent trough GET",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# HTTP-POST
|
|
elsif ( $method == Lasso::Constants::HTTP_METHOD_POST ) {
|
|
|
|
# Use autosubmit form
|
|
my $slo_url = $logout->msg_url;
|
|
my $slo_body = $logout->msg_body;
|
|
|
|
$self->{postUrl} = $slo_url;
|
|
$self->{postFields} = { 'SAMLResponse' => $slo_body };
|
|
|
|
# RelayState
|
|
$self->{postFields}->{'RelayState'} = $relaystate
|
|
if ($relaystate);
|
|
|
|
$self->_subProcess(qw(autoPost));
|
|
|
|
# If we are here, there was a problem with POST response
|
|
$self->lmLog( "Logout response was not sent trough POST",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# HTTP-SOAP
|
|
elsif ( $method == Lasso::Constants::HTTP_METHOD_SOAP ) {
|
|
|
|
my $slo_body = $logout->msg_body;
|
|
|
|
$self->lmLog( "SOAP response $slo_body", 'debug' );
|
|
|
|
$self->{SOAPMessage} = $slo_body;
|
|
|
|
$self->_subProcess(qw(returnSOAPMessage));
|
|
|
|
# If we are here, there was a problem with SOAP response
|
|
$self->lmLog( "Logout response was not sent trough SOAP",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
}
|
|
else {
|
|
|
|
# This should not happen
|
|
$self->lmLog( "SLO request or response was not found", 'error' );
|
|
|
|
# Redirect user
|
|
$self->{mustRedirect} = 1;
|
|
$self->{error} = $self->_subProcess(qw(autoRedirect));
|
|
return $self->{error};
|
|
}
|
|
}
|
|
|
|
# 1.3 Artifact
|
|
elsif ( $url =~ /^(\Q$saml_ars_url\E)$/io ) {
|
|
|
|
$self->lmLog( "URL $url detected as an artifact resolution service URL",
|
|
'debug' );
|
|
|
|
# Artifact request are sent with SOAP trough POST
|
|
my $art_request = $self->param('POSTDATA');
|
|
my $art_response;
|
|
|
|
# Create Login object
|
|
my $login = $self->createLogin($server);
|
|
|
|
# Process request message
|
|
unless ( $self->processArtRequestMsg( $login, $art_request ) ) {
|
|
$self->lmLog( "Unable to process artifact request message",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Check Destination
|
|
return PE_ERROR
|
|
unless ( $self->checkDestination( $login->request, $url ) );
|
|
|
|
# Create artifact response
|
|
unless ( $art_response = $self->createArtifactResponse($login) ) {
|
|
$self->lmLog( "Unable to create artifact response message",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
$self->{SOAPMessage} = $art_response;
|
|
|
|
$self->lmLog( "Send SOAP Message: " . $self->{SOAPMessage}, 'debug' );
|
|
|
|
# Return SOAP message
|
|
$self->returnSOAPMessage();
|
|
|
|
# If we are here, there was a problem with SOAP request
|
|
$self->lmLog( "Artifact response was not sent trough SOAP", 'error' );
|
|
return PE_ERROR;
|
|
|
|
}
|
|
|
|
# 2. IDP resolution
|
|
|
|
# Try to recover IDP from IDP cookie
|
|
my $idp;
|
|
my %cookies = fetch CGI::Cookie;
|
|
my $idp_cookie = $cookies{ $self->{samlIdPResolveCookie} };
|
|
if ($idp_cookie) {
|
|
$idp = $idp_cookie->value;
|
|
$self->lmLog( "IDP $idp found in IDP resolution cookie", 'debug' );
|
|
}
|
|
|
|
# Check if IDP from cookie is known in our configuration
|
|
$idp = undef unless exists $self->{_idpList}->{$idp};
|
|
|
|
# If no IDP resolve cookie, find another way to get it
|
|
# Case 1: IDP was choosen from portal IDP list
|
|
$idp ||= $self->param("idp");
|
|
|
|
# Case 2: check all IDP resolution rules
|
|
# The first match win
|
|
unless ($idp) {
|
|
foreach ( keys %{ $self->{_idpList} } ) {
|
|
my $idpConfKey = $self->{_idpList}->{$_}->{confKey};
|
|
my $cond =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsResolutionRule};
|
|
next unless defined $cond;
|
|
if ( $self->safe->reval($cond) ) {
|
|
$self->lmLog( "IDP $idpConfKey resolution rule match",
|
|
'debug' );
|
|
$idp = $_;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
|
|
# Get confirmation flag
|
|
my $confirm_flag = $self->param("confirm");
|
|
|
|
# If confirmation is -1, or IDP was not resolve, let the user choose its IDP
|
|
if ( $confirm_flag == -1 or !$idp ) {
|
|
$self->lmLog( "No IDP found, redirecting user to IDP list", 'debug' );
|
|
|
|
# Control url parameter
|
|
my $urlcheck = $self->controlUrlOrigin();
|
|
return $urlcheck unless ( $urlcheck == PE_OK );
|
|
|
|
# IDP list
|
|
my $html = "<h3>"
|
|
. &Lemonldap::NG::Portal::_i18n::msg( PM_SAML_IDPSELECT,
|
|
$ENV{HTTP_ACCEPT_LANGUAGE} )
|
|
. "</h3>\n<table>\n";
|
|
|
|
foreach ( keys %{ $self->{_idpList} } ) {
|
|
$html .=
|
|
'<tr><td><input type="radio" name="idp" onclick="stop()" value="'
|
|
. $_
|
|
. '" /></td><td>'
|
|
. $self->{_idpList}->{$_}->{name}
|
|
. '</td></tr>';
|
|
}
|
|
|
|
$html .=
|
|
'<tr><td><input type="checkbox" name="cookie_type" value="1"></td><td>'
|
|
. &Lemonldap::NG::Portal::_i18n::msg( PM_REMEMBERCHOICE,
|
|
$ENV{HTTP_ACCEPT_LANGUAGE} )
|
|
. "</td></tr></table>\n"
|
|
|
|
# URL
|
|
. '<input type="hidden" name="url" value="'
|
|
. $self->param("url") . '" />'
|
|
|
|
# Script to autoselect first choice
|
|
. '<script>$("[type=radio]:first").attr("checked","checked");</script>';
|
|
|
|
$self->info($html);
|
|
|
|
# Delete existing IDP resolution cookie
|
|
push @{ $self->{cookie} },
|
|
$self->cookie(
|
|
-name => $self->{samlIdPResolveCookie},
|
|
-value => 0,
|
|
-domain => $self->{domain},
|
|
-path => "/",
|
|
-secure => 0,
|
|
-expires => '-1d',
|
|
);
|
|
|
|
return PE_CONFIRM;
|
|
}
|
|
|
|
# If IDP is found but not confirmed, let the user confirm it
|
|
elsif ( $confirm_flag != 1 ) {
|
|
$self->lmLog( "IDP $idp selected, need user confirmation", 'debug' );
|
|
|
|
# Control url parameter
|
|
my $urlcheck = $self->controlUrlOrigin();
|
|
return $urlcheck unless ( $urlcheck == PE_OK );
|
|
|
|
# Choosen IDP
|
|
my $html = '<h3>'
|
|
. &Lemonldap::NG::Portal::_i18n::msg( PM_SAML_IDPCHOOSEN,
|
|
$ENV{HTTP_ACCEPT_LANGUAGE} )
|
|
. "</h3>\n" . "<h4>"
|
|
. $self->{_idpList}->{$idp}->{name}
|
|
. "</h4>\n"
|
|
. "<p><i>"
|
|
. $idp
|
|
. "</i></p>\n"
|
|
. "<input type=\"hidden\" name=\"url\" value=\""
|
|
. $self->param("url") . "\" />"
|
|
. "<input type=\"hidden\" name=\"idp\" value=\"$idp\" />\n";
|
|
|
|
$self->info($html);
|
|
|
|
return PE_CONFIRM;
|
|
}
|
|
|
|
# Here confirmation is OK (confirm_flag == 1), store choosen IDP in cookie
|
|
unless ( $idp_cookie and ( $idp eq $idp_cookie->value ) ) {
|
|
$self->lmLog( "Build cookie to remember $idp as IDP choice", 'debug' );
|
|
|
|
# Control url parameter
|
|
my $urlcheck = $self->controlUrlOrigin();
|
|
return $urlcheck unless ( $urlcheck == PE_OK );
|
|
|
|
# User can choose temporary (0) or persistent cookie (1)
|
|
my $cookie_type = $self->param("cookie_type") || "0";
|
|
|
|
push @{ $self->{cookie} },
|
|
$self->cookie(
|
|
-name => $self->{samlIdPResolveCookie},
|
|
-value => $idp,
|
|
-domain => $self->{domain},
|
|
-path => "/",
|
|
-secure => $self->{securedCookie},
|
|
-httponly => $self->{httpOnly},
|
|
-expires => $cookie_type ? "+365d" : "",
|
|
);
|
|
}
|
|
|
|
# 3. Build authentication request
|
|
|
|
# IDP conf key
|
|
my $idpConfKey = $self->{_idpList}->{$idp}->{confKey};
|
|
|
|
unless ($idpConfKey) {
|
|
$self->lmLog( "$idp do not match any IDP in configuration", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
$self->lmLog( "$idp match $idpConfKey IDP in configuration", 'debug' );
|
|
|
|
# IDP ForceAuthn
|
|
my $forceAuthn =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsForceAuthn};
|
|
|
|
# IDP IsPassive
|
|
my $isPassive =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsIsPassive};
|
|
|
|
# IDP NameIDFormat
|
|
my $nameIDFormat =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsNameIDFormat};
|
|
$nameIDFormat = $self->getNameIDFormat($nameIDFormat) if $nameIDFormat;
|
|
|
|
# IDP ProxyRestriction
|
|
my $allowProxiedAuthn =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsAllowProxiedAuthn};
|
|
|
|
# IDP HTTP method
|
|
my $method =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsSSOBinding};
|
|
$method = $self->getHttpMethod($method) if $method;
|
|
|
|
# If no method defined, get first HTTP method
|
|
unless ( defined $method ) {
|
|
my $protocolType = Lasso::Constants::MD_PROTOCOL_TYPE_SINGLE_SIGN_ON;
|
|
$method = $self->getFirstHttpMethod( $server, $idp, $protocolType );
|
|
}
|
|
|
|
# Failback to HTTP-REDIRECT
|
|
unless ( defined $method and $method != -1 ) {
|
|
$self->lmLog( "No method found with IDP $idpConfKey for SSO profile",
|
|
'debug' );
|
|
$method = $self->getHttpMethod("redirect");
|
|
}
|
|
|
|
$self->lmLog(
|
|
"Use method "
|
|
. $self->getHttpMethodString($method)
|
|
. " with IDP $idpConfKey for SSO profile",
|
|
'debug'
|
|
);
|
|
|
|
# Set signature
|
|
my $signSSOMessage =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsSignSSOMessage};
|
|
|
|
# Authentication Context
|
|
my $requestedAuthnContext =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsRequestedAuthnContext};
|
|
$requestedAuthnContext = $self->getAuthnContext($requestedAuthnContext)
|
|
if $requestedAuthnContext;
|
|
|
|
# Create SSO request
|
|
my $login = $self->createAuthnRequest(
|
|
$server, $idp, $method,
|
|
$forceAuthn, $isPassive, $nameIDFormat,
|
|
$allowProxiedAuthn, $signSSOMessage, $requestedAuthnContext
|
|
);
|
|
|
|
unless ($login) {
|
|
$self->lmLog( "Could not create authentication request on $idpConfKey",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
$self->lmLog( "Authentication request created", 'debug' );
|
|
|
|
# Keep assertion ID in memory to prevent replay
|
|
unless ( $self->storeReplayProtection( $login->request()->ID ) ) {
|
|
$self->lmLog( "Unable to store assertion ID", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Send SSO request depending on request method
|
|
# HTTP-REDIRECT
|
|
if ( $method == $self->getHttpMethod('redirect')
|
|
or $method == $self->getHttpMethod('artifact-get') )
|
|
{
|
|
|
|
# Redirect user to response URL
|
|
my $sso_url = $login->msg_url;
|
|
$self->lmLog( "Redirect user to $sso_url", 'debug' );
|
|
|
|
$self->{urldc} = $sso_url;
|
|
|
|
$self->_subProcess(qw(autoRedirect));
|
|
|
|
# If we are here, there was a problem with GET request
|
|
$self->lmLog( "SSO request was not sent trough GET", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# HTTP-POST
|
|
elsif ($method == $self->getHttpMethod('post')
|
|
or $method == $self->getHttpMethod('artifact-post') )
|
|
{
|
|
|
|
# Use autosubmit form
|
|
my $sso_url = $login->msg_url;
|
|
my $sso_body = $login->msg_body;
|
|
|
|
$self->{postUrl} = $sso_url;
|
|
|
|
if ( $method == $self->getHttpMethod("artifact-post") ) {
|
|
$self->{postFields} = { 'SAMLart' => $sso_body };
|
|
}
|
|
else {
|
|
$self->{postFields} = { 'SAMLRequest' => $sso_body };
|
|
}
|
|
|
|
# RelayState
|
|
$self->{postFields}->{'RelayState'} = $login->msg_relayState
|
|
if ( $login->msg_relayState );
|
|
|
|
$self->_subProcess(qw(autoPost));
|
|
|
|
# If we are here, there was a problem with POST request
|
|
$self->lmLog( "SSO request was not sent trough POST", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# No SOAP transport for SSO request
|
|
}
|
|
|
|
## @apmethod int setAuthSessionInfo()
|
|
# Extract attributes sent in authentication statement
|
|
# @return Lemonldap::NG::Portal error code
|
|
sub setAuthSessionInfo {
|
|
my $self = shift;
|
|
my $server = $self->{_lassoServer};
|
|
my $login = $self->{_lassoLogin};
|
|
my $idp = $self->{_idp};
|
|
my $idpConfKey = $self->{_idpConfKey};
|
|
|
|
# Get SAML assertion
|
|
my $assertion = $self->getAssertion($login);
|
|
|
|
unless ($assertion) {
|
|
$self->lmLog( "No assertion found", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Force UTF-8
|
|
my $force_utf8 =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsForceUTF8};
|
|
|
|
# Try to get attributes if attribute statement is present in assertion
|
|
my $attr_statement = $assertion->AttributeStatement();
|
|
if ($attr_statement) {
|
|
|
|
# Get attributes
|
|
my @attributes = $attr_statement->Attribute();
|
|
|
|
# Wanted attributes are defined in IDP configuration
|
|
foreach (
|
|
keys %{ $self->{samlIDPMetaDataExportedAttributes}->{$idpConfKey} }
|
|
)
|
|
{
|
|
|
|
# Extract fields from exportedAttr value
|
|
my ( $mandatory, $name, $format, $friendly_name ) =
|
|
split( /;/,
|
|
$self->{samlIDPMetaDataExportedAttributes}->{$idpConfKey}
|
|
->{$_} );
|
|
|
|
# Try to get value
|
|
my $value =
|
|
$self->getAttributeValue( $name, $format, $friendly_name,
|
|
\@attributes, $force_utf8 );
|
|
|
|
# Store value in sessionInfo
|
|
$self->{sessionInfo}->{$_} = $value if defined $value;
|
|
}
|
|
}
|
|
|
|
# Store other informations in session
|
|
$self->{sessionInfo}->{_user} = $self->{user};
|
|
$self->{sessionInfo}->{_idp} = $idp;
|
|
$self->{sessionInfo}->{_idpConfKey} = $idpConfKey;
|
|
|
|
# Adapt _utime with SessionNotOnOrAfter
|
|
my $sessionNotOnOrAfter;
|
|
eval {
|
|
$sessionNotOnOrAfter =
|
|
$assertion->AuthnStatement()->SessionNotOnOrAfter();
|
|
};
|
|
|
|
if ( $@ or !$sessionNotOnOrAfter ) {
|
|
$self->lmLog( "No SessionNotOnOrAfter value found", 'debug' );
|
|
}
|
|
else {
|
|
|
|
my $samltime = $self->samldate2timestamp($sessionNotOnOrAfter);
|
|
my $utime = time();
|
|
my $timeout = $self->{timeout};
|
|
my $adaptSessionUtime =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsAdaptSessionUtime};
|
|
|
|
if ( ( $utime + $timeout > $samltime ) and $adaptSessionUtime ) {
|
|
|
|
# Use SAML time to determine the start of the session
|
|
my $new_utime = $samltime - $timeout;
|
|
$self->{sessionInfo}->{_utime} = $new_utime;
|
|
$self->lmLog(
|
|
"Adapt _utime with SessionNotOnOrAfter value, new _utime: $new_utime",
|
|
'debug'
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
# Establish federation (required for attribute request in UserDBSAML)
|
|
unless ( $self->acceptSSO($login) ) {
|
|
$self->lmLog( "Error while accepting SSO from IDP $idpConfKey",
|
|
'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Get created Lasso::Session and Lasso::Identity
|
|
my $session = $login->get_session;
|
|
my $identity = $login->get_identity;
|
|
|
|
# Dump Lasso objects in session
|
|
$self->{sessionInfo}->{_lassoSessionDump} = $session->dump() if $session;
|
|
$self->{sessionInfo}->{_lassoIdentityDump} = $identity->dump() if $identity;
|
|
$self->{sessionInfo}->{_samlToken} = $self->{_samlToken};
|
|
|
|
$self->{_lassoLogin} = $login;
|
|
|
|
PE_OK;
|
|
}
|
|
|
|
## @apmethod int authenticate()
|
|
# Do nothing
|
|
# @return PE_OK
|
|
sub authenticate {
|
|
PE_OK;
|
|
}
|
|
|
|
## @apmethod void authLogout()
|
|
# Logout SP
|
|
# @return Lemonldap::NG::Portal error code
|
|
sub authLogout {
|
|
my $self = shift;
|
|
my $idp = $self->{sessionInfo}->{_idp};
|
|
my $idpConfKey = $self->{sessionInfo}->{_idpConfKey};
|
|
my $session_id = $self->{sessionInfo}->{_session_id};
|
|
my $method;
|
|
|
|
# Real session was previously deleted,
|
|
# remove corresponding SAML sessions
|
|
my $local_sessions =
|
|
$self->{samlStorage}
|
|
->searchOn( $self->{samlStorageOptions}, "_id", $session_id );
|
|
|
|
if ( my @local_sessions_keys = keys %$local_sessions ) {
|
|
|
|
# At least one session was found
|
|
foreach (@local_sessions_keys) {
|
|
|
|
my $local_session = $_;
|
|
|
|
# Get session
|
|
$self->lmLog(
|
|
"Retrieve SAML session $local_session (linked to $session_id)",
|
|
'debug'
|
|
);
|
|
|
|
my $sessionInfo = $self->getApacheSession( $local_session, 1 );
|
|
|
|
# Delete session
|
|
my $del_saml_result = $self->_deleteSession($sessionInfo);
|
|
|
|
$self->lmLog(
|
|
"Delete SAML session $local_session result: $del_saml_result",
|
|
'debug' );
|
|
}
|
|
}
|
|
else {
|
|
|
|
# No corresponding session found
|
|
$self->lmLog( "No SAML session found for $session_id", 'debug' );
|
|
}
|
|
|
|
# Get Lasso Server
|
|
unless ( $self->{_lassoServer} ) {
|
|
$self->_sub('authInit');
|
|
}
|
|
|
|
my $server = $self->{_lassoServer};
|
|
|
|
# Recover Lasso::Session dump
|
|
my $session_dump = $self->{sessionInfo}->{_lassoSessionDump};
|
|
|
|
unless ($session_dump) {
|
|
$self->lmLog( "Could not get session dump from session", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# IDP HTTP method
|
|
$method =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsSLOBinding};
|
|
$method = $self->getHttpMethod($method) if $method;
|
|
|
|
# If no method defined, get first HTTP method
|
|
unless ( defined $method ) {
|
|
my $protocolType = Lasso::Constants::MD_PROTOCOL_TYPE_SINGLE_LOGOUT;
|
|
$method = $self->getFirstHttpMethod( $server, $idp, $protocolType );
|
|
}
|
|
|
|
# Failback to SOAP
|
|
unless ( defined $method and $method != -1 ) {
|
|
$self->lmLog( "No method found with IDP $idpConfKey for SLO profile",
|
|
'debug' );
|
|
$method = $self->getHttpMethod("soap");
|
|
}
|
|
|
|
$self->lmLog(
|
|
"Use method "
|
|
. $self->getHttpMethodString($method)
|
|
. " with IDP $idpConfKey for SLO profile",
|
|
'debug'
|
|
);
|
|
|
|
# Set signature
|
|
my $signSLOMessage =
|
|
$self->{samlIDPMetaDataOptions}->{$idpConfKey}
|
|
->{samlIDPMetaDataOptionsSignSLOMessage};
|
|
|
|
# Build Logout Request
|
|
my $logout =
|
|
$self->createLogoutRequest( $server, $session_dump, $method,
|
|
$signSLOMessage );
|
|
unless ($logout) {
|
|
$self->lmLog( "Could not create logout request", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
$self->lmLog( "Logout request created", 'debug' );
|
|
|
|
# Keep request ID in memory to prevent replay
|
|
unless ( $self->storeReplayProtection( $logout->request()->ID ) ) {
|
|
$self->lmLog( "Unable to store Logout request ID", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Send request depending on request method
|
|
# HTTP-REDIRECT
|
|
if ( $method == Lasso::Constants::HTTP_METHOD_REDIRECT ) {
|
|
|
|
# Redirect user to response URL
|
|
my $slo_url = $logout->msg_url;
|
|
$self->lmLog( "Redirect user to $slo_url", 'debug' );
|
|
|
|
$self->{urldc} = $slo_url;
|
|
|
|
# Redirect done in Portal/Simple.pm
|
|
return PE_OK;
|
|
}
|
|
|
|
# HTTP-POST
|
|
elsif ( $method == Lasso::Constants::HTTP_METHOD_POST ) {
|
|
|
|
# Use autosubmit form
|
|
my $slo_url = $logout->msg_url;
|
|
my $slo_body = $logout->msg_body;
|
|
|
|
$self->{postUrl} = $slo_url;
|
|
$self->{postFields} = { 'SAMLRequest' => $slo_body };
|
|
|
|
# Post done in Portal/Simple.pm
|
|
return PE_OK;
|
|
}
|
|
|
|
# HTTP-SOAP
|
|
elsif ( $method == Lasso::Constants::HTTP_METHOD_SOAP ) {
|
|
|
|
my $slo_url = $logout->msg_url;
|
|
my $slo_body = $logout->msg_body;
|
|
|
|
# Send SOAP request and manage response
|
|
my $response = $self->sendSOAPMessage( $slo_url, $slo_body );
|
|
|
|
unless ($response) {
|
|
$self->lmLog( "No logout response to SOAP request", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
# Create Logout object
|
|
$logout = $self->createLogout($server);
|
|
|
|
# Process logout response
|
|
my $result = $self->processLogoutResponseMsg( $logout, $response );
|
|
|
|
unless ($result) {
|
|
$self->lmLog( "Fail to process logout response", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
$self->lmLog( "Logout response is valid", 'debug' );
|
|
|
|
# Replay protection
|
|
my $samlID = $logout->response()->InResponseTo;
|
|
|
|
unless ( $self->replayProtection($samlID) ) {
|
|
|
|
# Logout request was already consumed or is expired
|
|
$self->lmLog( "Message $samlID already used or expired", 'error' );
|
|
return PE_ERROR;
|
|
}
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
}
|
|
|
|
## @apmethod boolean authForce()
|
|
# Check if authentication should be forced
|
|
# @return nothing
|
|
sub authForce {
|
|
my $self = shift;
|
|
|
|
my $url = $self->url();
|
|
|
|
my $saml_acs_art_url = $self->getMetaDataURL(
|
|
"samlSPSSODescriptorAssertionConsumerServiceHTTPArtifact");
|
|
my $saml_acs_post_url = $self->getMetaDataURL(
|
|
"samlSPSSODescriptorAssertionConsumerServiceHTTPPost");
|
|
my $saml_acs_get_url = $self->getMetaDataURL(
|
|
"samlSPSSODescriptorAssertionConsumerServiceHTTPRedirect");
|
|
my $saml_slo_soap_url =
|
|
$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceSOAP", 1 );
|
|
my $saml_slo_soap_url_ret =
|
|
$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceSOAP", 2 );
|
|
my $saml_slo_get_url = $self->getMetaDataURL(
|
|
"samlSPSSODescriptorSingleLogoutServiceHTTPRedirect", 1 );
|
|
my $saml_slo_get_url_ret = $self->getMetaDataURL(
|
|
"samlSPSSODescriptorSingleLogoutServiceHTTPRedirect", 2 );
|
|
my $saml_slo_post_url =
|
|
$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceHTTPPost",
|
|
1 );
|
|
my $saml_slo_post_url_ret =
|
|
$self->getMetaDataURL( "samlSPSSODescriptorSingleLogoutServiceHTTPPost",
|
|
2 );
|
|
|
|
return 1
|
|
if ( $url =~
|
|
/^(\Q$saml_acs_art_url\E|\Q$saml_acs_post_url\E|\Q$saml_acs_get_url\E|\Q$saml_slo_soap_url\E|\Q$saml_slo_soap_url_ret\E|\Q$saml_slo_get_url\E|\Q$saml_slo_get_url_ret\E|\Q$saml_slo_post_url\E|\Q$saml_slo_post_url_ret\E)$/io
|
|
);
|
|
|
|
return 0;
|
|
}
|
|
|
|
## @apmethod boolean authFinish()
|
|
# Associate NameID and SessionIndex to a local session
|
|
# @return Lemonldap::NG::Portal error code
|
|
sub authFinish {
|
|
my $self = shift;
|
|
my %h;
|
|
|
|
# Real session was stored, get id and utime
|
|
my $id = $self->{id};
|
|
my $utime = $self->{sessionInfo}->{_utime};
|
|
|
|
# Get saved Lasso objects
|
|
my $nameid = $self->{_nameID};
|
|
my $session_index = $self->{_sessionIndex};
|
|
|
|
$self->lmLog(
|
|
"Store NameID $nameid and SessionIndex $session_index for session $id",
|
|
'debug'
|
|
);
|
|
|
|
# Save SAML session
|
|
my $samlSessionInfo = $self->getSamlSession();
|
|
|
|
return PE_ERROR unless $samlSessionInfo;
|
|
|
|
$samlSessionInfo->{type} = 'saml'; # Session type
|
|
$samlSessionInfo->{_utime} = $utime; # Creation time
|
|
$samlSessionInfo->{_id} = $id; # SSO session id
|
|
$samlSessionInfo->{_nameID} = $nameid->dump; # SAML NameID
|
|
$samlSessionInfo->{_sessionIndex} = $session_index; # SAML SessionIndex
|
|
|
|
my $session_id = $samlSessionInfo->{_session_id};
|
|
|
|
untie %$samlSessionInfo;
|
|
|
|
$self->lmLog( "Link session $id to SAML session $session_id", 'debug' );
|
|
|
|
return PE_OK;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
=encoding utf8
|
|
|
|
Lemonldap::NG::Portal::AuthSAML - SAML Authentication backend
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
use Lemonldap::NG::Portal::AuthSAML;
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
Use SAML to authenticate users
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<Lemonldap::NG::Portal>, L<Lemonldap::NG::Portal::UserDBSAML>, L<Lemonldap::NG::Portal::_SAML>
|
|
|
|
=head1 AUTHOR
|
|
|
|
Xavier Guimard, E<lt>x.guimard@free.frE<gt>, Clement Oudot, E<lt>coudot@linagora.comE<gt>
|
|
|
|
=head1 COPYRIGHT AND LICENSE
|
|
|
|
Copyright (C) 2009 by Xavier Guimard
|
|
|
|
This library is free software; you can redistribute it and/or modify
|
|
it under the same terms as Perl itself, either Perl version 5.10.0 or,
|
|
at your option, any later version of Perl 5 you may have available.
|
|
|
|
=cut
|