/usr/share/perl5/Lemonldap/NG/Portal/_SAML.pm is in liblemonldap-ng-portal-perl 1.9.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Common SAML functions
## @class
# Common SAML functions
package Lemonldap::NG::Portal::_SAML;
use strict;
use Lemonldap::NG::Common::Conf::SAML::Metadata;
use Lemonldap::NG::Common::Session;
use Lemonldap::NG::Portal::_Browser;
use XML::Simple;
use MIME::Base64;
use String::Random;
use HTTP::Request; # SOAP call
use POSIX qw(strftime); # Convert SAML2 date into timestamp
use Time::Local; # Convert SAML2 date into timestamp
use Encode; # Encode attribute values
use URI; # Get metadata URL path
# Special comments for doxygen
#inherits Lemonldap::NG::Common::Conf::SAML::Metadata protected service_metadata
our @ISA = (qw(Lemonldap::NG::Portal::_Browser));
our $VERSION = '1.9.15';
our $samlCache;
our $initGlibDone;
BEGIN {
eval {
require threads::shared;
threads::shared::share($samlCache);
threads::shared::share($initGlibDone);
};
# Load Glib if available
eval 'use Glib;';
if ($@) {
print STDERR
"Glib Lasso messages will not be catched (require Glib module)\n";
eval "use constant GLIB => 0";
}
else {
eval "use constant GLIB => 1";
}
# Load Lasso.pm
eval 'use Lasso;';
if ($@) {
print STDERR "Lasso.pm not loaded: $@";
eval
'use constant LASSO => 0;use constant BADLASSO => 0;use constant LASSOTHINSESSIONS => 0';
}
else {
no strict 'subs';
eval 'use constant LASSO => 1';
# Check Lasso version >= 2.3.0
my $lasso_check_version_mode =
eval 'Lasso::Constants::CHECK_VERSION_NUMERIC';
my $check_version =
Lasso::check_version( 2, 3, 0, $lasso_check_version_mode );
unless ($check_version) {
eval 'use constant BADLASSO => 1';
}
else {
eval 'use constant BADLASSO => 0';
}
# Try to set thin-sessions flag
eval 'Lasso::set_flag("thin-sessions");';
if ($@) {
eval 'use constant LASSOTHINSESSIONS => 0';
}
else {
eval 'use constant LASSOTHINSESSIONS => 1';
}
}
}
## @method boolean loadLasso()
# Load Lasso module
# @return boolean result
sub loadLasso {
my $self = shift;
# Reload SAML cache if configuration number has changed
unless ( $samlCache->{cfgNum} == $self->{cfgNum} ) {
$self->lmLog( "Reset SAML configuration cache", 'debug' );
delete $samlCache->{_lassoServerDump};
delete $samlCache->{_spList};
delete $samlCache->{_idpList};
$samlCache->{cfgNum} = $self->{cfgNum};
}
$self->lmLog( "SAML cache configuration: " . $samlCache->{cfgNum},
'debug' );
return 1 if ($initGlibDone);
# Catch GLib Lasso messages (require Glib)
if (GLIB) {
Glib::Log->set_handler(
"Lasso",
[qw/ error critical warning message info debug /],
sub {
$self->lmLog( $_[0] . " error " . $_[1] . ": " . $_[2],
'debug' );
}
);
}
unless (LASSO) {
$self->lmLog( "Module Lasso not loaded (see below)", 'error' );
return 0;
}
if (BADLASSO) {
$self->lmLog( 'Lasso version >= 2.3.0 required', 'error' );
return 0;
}
unless (LASSOTHINSESSIONS) {
$self->lmLog( 'Lasso thin-sessions flag could not be set', 'warn' );
}
else {
$self->lmLog( 'Lasso thin-sessions flag set', 'debug' );
}
$initGlibDone = 1;
return 1;
}
## @method boolean loadService(boolean no_cache)
# Load SAML service by creating a Lasso::Server
# @param no_cache Disable cache use
# @return boolean result
sub loadService {
my ( $self, $no_cache ) = @_;
# Load Lasso
return 0 unless $self->loadLasso();
# Try to restore server from cache
unless ($no_cache) {
# Check if Lasso::Server is present in self
return 1 if $self->{_lassoServer};
# Check if Lasso::Server can be restored from cache
if ( $samlCache->{_lassoServerDump} ) {
$self->lmLog( "Restore server from cache", 'debug' );
eval {
$self->{_lassoServer} = Lasso::Server::new_from_dump(
$samlCache->{_lassoServerDump} );
};
return 1 if $self->checkLassoError($@);
}
}
# Check presence of private and public key in configuration
my $publicKeySig = $self->{samlServicePublicKeySig};
my $privateKeySig = $self->{samlServicePrivateKeySig};
my $privateKeySigPwd = $self->{samlServicePrivateKeySigPwd};
my $privateKeyEnc = $self->{samlServicePrivateKeyEnc};
my $privateKeyEncPwd = $self->{samlServicePrivateKeyEncPwd};
unless ( $privateKeySig and $publicKeySig ) {
$self->lmLog( "SAML private and public key not found in configuration",
'error' );
return 0;
}
unless ($privateKeyEnc) {
$self->lmLog(
"SAML private encryption key not found in configuration, "
. "use private signature key",
'debug'
);
$privateKeyEnc = $privateKeySig;
$privateKeyEncPwd = $privateKeySigPwd;
}
# Check if certificate should be inserted in SAML responses
my $serviceCertificate;
if ( $self->{samlServiceUseCertificateInResponse}
&& $publicKeySig =~ /CERTIFICATE/ )
{
$serviceCertificate = $publicKeySig;
$self->lmLog( 'Certificate will be used in SAML responses', 'debug' );
}
# Get metadata from configuration
$self->lmLog( "Get Metadata for this service", 'debug' );
my $service_metadata = Lemonldap::NG::Common::Conf::SAML::Metadata->new();
# Create Lasso server with service metadata
my $server = $self->createServer(
$service_metadata->serviceToXML(
$self->getApacheHtdocsPath() . "/skins/common/saml2-metadata.tpl",
$self
),
$privateKeySig,
$privateKeySigPwd,
$privateKeyEnc,
$privateKeyEncPwd,
$serviceCertificate
);
# Log
unless ($server) {
$self->lmLog( 'Unable to create Lasso server', 'error' );
return 0;
}
$self->lmLog( "Service created", 'debug' );
# Store Lasso::Server object
$self->{_lassoServer} = $server;
$samlCache->{_lassoServerDump} = $server->dump unless $no_cache;
return 1;
}
## @method boolean loadIDPs(boolean no_cache)
# Load SAML identity providers
# @param no_cache Disable cache use
# @return boolean result
sub loadIDPs {
my ( $self, $no_cache ) = @_;
# Check if SAML service is loaded
return 0 unless $self->{_lassoServer};
# Check cache
unless ($no_cache) {
if ( $samlCache->{_idpList} ) {
$self->lmLog( "Load IDPs from cache", 'debug' );
$self->{_idpList} = $samlCache->{_idpList};
return 1;
}
}
# Check presence of at least one identity provider in configuration
unless ( $self->{samlIDPMetaDataXML}
and keys %{ $self->{samlIDPMetaDataXML} } )
{
$self->lmLog( "No IDP found in configuration", 'debug' );
}
# Load identity provider metadata
# IDP metadata are listed in $self->{samlIDPMetaDataXML}
# Each key is the IDP name
# Build IDP list for later use in extractFormInfo
$self->{_idpList} = ();
foreach ( keys %{ $self->{samlIDPMetaDataXML} } ) {
$self->lmLog( "Get Metadata for IDP $_", 'debug' );
my $idp_metadata =
$self->{samlIDPMetaDataXML}->{$_}->{samlIDPMetaDataXML};
# Check metadata format
if ( ref $idp_metadata eq "HASH" ) {
$self->abort(
"Metadata for IDP $_ is in old format. Please reload them from Manager"
);
}
if ( $self->{samlMetadataForceUTF8} ) {
$idp_metadata = encode( "utf8", $idp_metadata );
}
# Add this IDP to Lasso::Server
my $result = $self->addIDP( $self->{_lassoServer}, $idp_metadata );
unless ($result) {
$self->lmLog( "Fail to use IDP $_ Metadata", 'error' );
return 0;
}
# Store IDP entityID and Organization Name
my ( $tmp, $entityID ) =
( $idp_metadata =~ /entityID=(['"])(.+?)\1/si );
my $name =
$self->getOrganizationName( $self->{_lassoServer}, $entityID )
|| ucfirst($_);
$self->{_idpList}->{$entityID}->{confKey} = $_;
$self->{_idpList}->{$entityID}->{name} = $name;
# Set encryption mode
my $encryption_mode =
$self->{samlIDPMetaDataOptions}->{$_}
->{samlIDPMetaDataOptionsEncryptionMode};
my $lasso_encryption_mode = $self->getEncryptionMode($encryption_mode);
unless (
$self->setProviderEncryptionMode(
$self->{_lassoServer}->get_provider($entityID),
$lasso_encryption_mode
)
)
{
$self->lmLog(
"Unable to set encryption mode $encryption_mode on IDP $_",
'error' );
return 0;
}
$self->lmLog( "Set encryption mode $encryption_mode on IDP $_",
'debug' );
$self->lmLog( "IDP $_ added", 'debug' );
}
# Cache Lasso::Server
$samlCache->{_idpList} = $self->{_idpList} unless $no_cache;
$samlCache->{_lassoServerDump} = $self->{_lassoServer}->dump
unless $no_cache;
return 1;
}
## @method boolean loadSPs(boolean no_cache)
# Load SAML service providers
# @param no_cache Disable cache use
# @return boolean result
sub loadSPs {
my ( $self, $no_cache ) = @_;
# Check if SAML service is loaded
return 0 unless $self->{_lassoServer};
# Check cache
unless ($no_cache) {
if ( $samlCache->{_spList} ) {
$self->lmLog( "Load SPs from cache", 'debug' );
$self->{_spList} = $samlCache->{_spList};
return 1;
}
}
# Check presence of at least one service provider in configuration
unless ( $self->{samlSPMetaDataXML}
and keys %{ $self->{samlSPMetaDataXML} } )
{
$self->lmLog( "No SP found in configuration", 'debug' );
}
# Load service provider metadata
# SP metadata are listed in $self->{samlSPMetaDataXML}
# Each key is the SP name
# Build SP list for later use in extractFormInfo
$self->{_spList} = ();
foreach ( keys %{ $self->{samlSPMetaDataXML} } ) {
$self->lmLog( "Get Metadata for SP $_", 'debug' );
my $sp_metadata =
$self->{samlSPMetaDataXML}->{$_}->{samlSPMetaDataXML};
# Check metadata format
if ( ref $sp_metadata eq "HASH" ) {
$self->abort(
"Metadata for SP $_ is in old format. Please reload them from Manager"
);
}
if ( $self->{samlMetadataForceUTF8} ) {
$sp_metadata = encode( "utf8", $sp_metadata );
}
# Add this SP to Lasso::Server
my $result = $self->addSP( $self->{_lassoServer}, $sp_metadata );
unless ($result) {
$self->lmLog( "Fail to use SP $_ Metadata", 'error' );
return 0;
}
# Store SP entityID and Organization Name
my ( $tmp, $entityID ) = ( $sp_metadata =~ /entityID=(['"])(.+?)\1/si );
my $name =
$self->getOrganizationName( $self->{_lassoServer}, $entityID )
|| ucfirst($_);
$self->{_spList}->{$entityID}->{confKey} = $_;
$self->{_spList}->{$entityID}->{name} = $name;
# Set encryption mode
my $encryption_mode =
$self->{samlSPMetaDataOptions}->{$_}
->{samlSPMetaDataOptionsEncryptionMode};
my $lasso_encryption_mode = $self->getEncryptionMode($encryption_mode);
unless (
$self->setProviderEncryptionMode(
$self->{_lassoServer}->get_provider($entityID),
$lasso_encryption_mode
)
)
{
$self->lmLog(
"Unable to set encryption mode $encryption_mode on SP $_",
'error' );
return 0;
}
$self->lmLog( "Set encryption mode $encryption_mode on SP $_",
'debug' );
$self->lmLog( "SP $_ added", 'debug' );
}
# Cache Lasso::Server
$samlCache->{_spList} = $self->{_spList} unless $no_cache;
$samlCache->{_lassoServerDump} = $self->{_lassoServer}->dump
unless $no_cache;
return 1;
}
## @method array checkMessage(string url, string request_method, string content_type, string profile_type)
# Check SAML requests and responses
# @param url
# @param request_method
# @param content_type
# @param profile_type login or logout
# @return ( $request, $response, $method, $relaystate, $artifact )
sub checkMessage {
my ( $self, $url, $request_method, $content_type, $profile_type ) = @_;
$profile_type ||= "login";
my ( $request, $response, $message, $method, $relaystate, $artifact );
# Check if SAML service is loaded
return ( $request, $response, $method, $relaystate, $artifact )
unless $self->{_lassoServer};
# 1. Get hidden fields
$request = $self->getHiddenFormValue('SAMLRequest');
$response = $self->getHiddenFormValue('SAMLResponse');
$method = $self->getHiddenFormValue('Method');
$relaystate = $self->getHiddenFormValue('RelayState');
$artifact = $self->getHiddenFormValue('SAMLart');
# 2. If no hidden fields, check HTTP request contents
unless ( $request or $response ) {
# Create Profile object
my $profile;
$profile = $self->createLogin( $self->{_lassoServer} )
if ( $profile_type eq "login" );
$profile = $self->createLogout( $self->{_lassoServer} )
if ( $profile_type eq "logout" );
# Get relayState
$relaystate = $self->param('RelayState');
# 2.1. HTTP REDIRECT
if ( $request_method =~ /^GET$/ ) {
$method = Lasso::Constants::HTTP_METHOD_REDIRECT;
$self->lmLog( "SAML method: HTTP-REDIRECT", 'debug' );
if ( $self->param('SAMLResponse') ) {
# Response in query string
$response = $self->getQueryString();
$self->lmLog( "HTTP-REDIRECT: SAML Response $response",
'debug' );
}
if ( $self->param('SAMLRequest') ) {
# Request in query string
$request = $self->getQueryString();
$self->lmLog( "HTTP-REDIRECT: SAML Request $request", 'debug' );
}
if ( $self->param('SAMLart') ) {
# Artifact in query string
$artifact = $self->getQueryString();
$self->lmLog( "HTTP-REDIRECT: SAML Artifact $artifact",
'debug' );
# Resolve Artifact
$method = Lasso::Constants::HTTP_METHOD_ARTIFACT_GET;
$message =
$self->resolveArtifact( $profile, $artifact, $method );
# Request or response ?
if ( $message =~ /samlp:response/i ) {
$response = $message;
}
else {
$request = $message;
}
}
}
# 2.2. HTTP POST AND SOAP
elsif ( $request_method =~ /^POST$/ ) {
# 2.2.1. POST
if ( $content_type !~ /xml/ ) {
$method = Lasso::Constants::HTTP_METHOD_POST;
$self->lmLog( "SAML method: HTTP-POST", 'debug' );
if ( $self->param('SAMLResponse') ) {
# Response in body part
$response = $self->param('SAMLResponse');
$self->lmLog( "HTTP-POST: SAML Response $response",
'debug' );
}
elsif ( $self->param('SAMLRequest') ) {
# Request in body part
$request = $self->param('SAMLRequest');
$self->lmLog( "HTTP-POST: SAML Request $request", 'debug' );
}
elsif ( $self->param('SAMLart') ) {
# Artifact in SAMLart param
$artifact = $self->param('SAMLart');
$self->lmLog( "HTTP-POST: SAML Artifact $artifact",
'debug' );
# Resolve Artifact
$method = Lasso::Constants::HTTP_METHOD_ARTIFACT_POST;
$message =
$self->resolveArtifact( $profile, $artifact, $method );
# Request or response ?
if ( $message =~ /samlp:response/i ) {
$response = $message;
}
else {
$request = $message;
}
}
}
# 2.2.2. SOAP
else {
$method = Lasso::Constants::HTTP_METHOD_SOAP;
$self->lmLog( "SAML method: HTTP-SOAP", 'debug' );
# SOAP is always a request
$request = $self->param('POSTDATA');
$self->lmLog( "HTTP-SOAP: SAML Request $request", 'debug' );
}
}
}
else {
$self->lmLog( "Keep values from hidden fields", 'debug' );
}
# 3. Backup values into hidden form values, if process is interrupted
# later in LemonLDAP::NG
$self->setHiddenFormValue( 'SAMLRequest', $request );
$self->setHiddenFormValue( 'SAMLResponse', $response );
$self->setHiddenFormValue( 'Method', $method );
$self->setHiddenFormValue( 'RelayState', $relaystate );
$self->setHiddenFormValue( 'SAMLart', $artifact );
# 4. Return values
return ( $request, $response, $method, $relaystate, $artifact ? 1 : 0 );
}
## @method boolean checkLassoError(Lasso::Error error, string level)
# Log Lasso error code and message if this is actually a Lasso::Error with code > 0
# @param error Lasso error object
# @param level optional log level (debug by default)
# @return 1 if no error
sub checkLassoError {
my ( $self, $error, $level ) = @_;
$level ||= 'debug';
# If $error is not a Lasso::Error object, display error string
unless ( ref($error) and $error->isa("Lasso::Error") ) {
return 1 unless $error;
$self->lmLog( "Lasso error: $error", $level );
return 0;
}
# Else check error code and error message
if ( $error->{code} ) {
$self->lmLog(
"Lasso error code " . $error->{code} . ": " . $error->{message},
$level );
return 0;
}
return 1;
}
## @method Lasso::Server createServer(string metadata, string private_key, string private_key_password, string private_key_enc, string private_key_enc_password, string certificate)
# Load service metadata and create Lasso::Server object
# @param metadata SAML metadatas
# @param private_key private key
# @param private_key_password optional private key password
# @param private_key_enc optional private key for encryption
# @param private_key_enc_password optional private key password for encryption
# @param certificate optional certificate
# @return Lasso::Server object
sub createServer {
my ( $self, $metadata, $private_key, $private_key_password,
$private_key_enc, $private_key_enc_password, $certificate )
= @_;
my $server;
eval {
$server = Lasso::Server::new_from_buffers( $metadata, $private_key,
$private_key_password, $certificate );
# Set private key for encryption
if ($private_key_enc) {
Lasso::Server::set_encryption_private_key_with_password( $server,
$private_key_enc, $private_key_enc_password );
}
};
if ($@) {
$self->checkLassoError($@);
return;
}
return $server;
}
## @method boolean addIDP(Lasso::Server server, string metadata, string public_key, string ca_cert_chain)
# Add IDP to an existing Lasso::Server
# @param server Lasso::Server object
# @param metadata IDP metadata
# @param public_key optional public key
# @param ca_cert_chain optional ca cert chain
# @return boolean result
sub addIDP {
my ( $self, $server, $metadata, $public_key, $ca_cert_chain ) = @_;
return 0 unless ( $server->isa("Lasso::Server") and defined $metadata );
return $self->addProvider( $server, Lasso::Constants::PROVIDER_ROLE_IDP,
$metadata, $public_key, $ca_cert_chain );
}
## @method boolean addSP(Lasso::Server server, string metadata, string public_key, string ca_cert_chain)
# Add SP to an existing Lasso::Server
# @param server Lasso::Server object
# @param metadata SP metadata
# @param public_key optional public key
# @param ca_cert_chain optional ca cert chain
# @return boolean result
sub addSP {
my ( $self, $server, $metadata, $public_key, $ca_cert_chain ) = @_;
return 0 unless ( $server->isa("Lasso::Server") and defined $metadata );
return $self->addProvider( $server, Lasso::Constants::PROVIDER_ROLE_SP,
$metadata, $public_key, $ca_cert_chain );
}
## @method boolean addAA(Lasso::Server server, string metadata, string public_key, string ca_cert_chain)
# Add Attribute Authority to an existing Lasso::Server
# @param server Lasso::Server object
# @param metadata AA metadata
# @param public_key optional public key
# @param ca_cert_chain optional ca cert chain
# @return boolean result
sub addAA {
my ( $self, $server, $metadata, $public_key, $ca_cert_chain ) = @_;
return 0 unless ( $server->isa("Lasso::Server") and defined $metadata );
return $self->addProvider( $server,
Lasso::Constants::PROVIDER_ROLE_ATTRIBUTE_AUTHORITY,
$metadata, $public_key, $ca_cert_chain );
}
## @method boolean addProvider(Lasso::Server server, int role, string metadata, string public_key, string ca_cert_chain)
# Add provider to an existing Lasso::Server
# @param server Lasso::Server object
# @param role (IDP, SP or Both)
# @param metadata IDP metadata
# @param public_key optional public key
# @param ca_cert_chain optional ca cert chain
# @return boolean result
sub addProvider {
my ( $self, $server, $role, $metadata, $public_key, $ca_cert_chain ) = @_;
return 0
unless ( $server->isa("Lasso::Server")
and defined $role
and defined $metadata );
eval {
Lasso::Server::add_provider_from_buffer( $server, $role, $metadata,
$public_key, $ca_cert_chain );
};
return $self->checkLassoError($@);
}
## @method string getOrganizationName(Lasso::Server server, string idp)
# Return name of organization picked up from metadata
#@param server Lasso::Server object
#@param idp entity ID
#@return string organization name
sub getOrganizationName {
my ( $self, $server, $idp ) = @_;
my ( $provider, $node );
# Get provider from server
eval { $provider = Lasso::Server::get_provider( $server, $idp ); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Get organization node
eval { $node = Lasso::Provider::get_organization($provider); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Return if node is empty
return unless $node;
# Extract organization name
my $xs = XML::Simple->new();
my $data = $xs->XMLin($node);
return $data->{OrganizationName}->{content};
}
## @method string getNextProviderId(Lasso::Logout logout)
# Returns the provider id from providerID_index in list of providerIDs in
# principal session with the exception of initial service provider ID.
# @param logout Lasso::Logout object
# @return string
sub getNextProviderId {
my $self = shift;
my $logout = shift;
my $providerId;
eval { $providerId = Lasso::Logout::get_next_providerID($logout); };
if ($@) {
$self->checkLassoError($@);
return;
}
return $providerId;
}
## @method boolean resetProviderIdIndex(Lasso::Logout logout)
# Reset the providerID_index attribute in Lasso::Logout object
# @param logout Lasso::Logout object
# @return boolean
sub resetProviderIdIndex {
my $self = shift;
my $logout = shift;
eval { Lasso::Logout::reset_providerID_index($logout); };
return $self->checkLassoError($@);
}
## @method Lasso::Login createAuthnRequest(Lasso::Server server, string idp, int method, boolean forceAuthn, boolean isPassive, string nameIDFormat, boolean allowProxiedAuthn, boolean signSSOMessage, string requestedAuthnContext)
# Create authentication request for selected IDP
# @param server Lasso::Server object
# @param idp IDP entityID
# @param method HTTP method
# @param forceAuthn force authentication on IDP
# @param isPassive require passive authentication
# @param nameIDFormat SAML2 NameIDFormat
# @param allowProxiedAuthn allow proxy on IDP
# @param signSSOMessage sign request
# @param requestedAuthnContext authentication context
# @return Lasso::Login object
sub createAuthnRequest {
my (
$self, $server, $idp,
$method, $forceAuthn, $isPassive,
$nameIDFormat, $allowProxiedAuthn, $signSSOMessage,
$requestedAuthnContext
) = @_;
my $proxyCount;
my $proxyRequestedAuthnContext;
# Create Lasso Login
my $login = $self->createLogin($server);
unless ($login) {
$self->lmLog( 'Unable to create Lasso login', 'error' );
return;
}
# Init authentication request
unless ( $self->initAuthnRequest( $login, $idp, $method ) ) {
$self->lmLog( "Could not initiate authentication request on $idp",
'error' );
return;
}
# Set RelayState
if ( my $relaystate = $self->storeRelayState(qw /urldc checkLogins/) ) {
$login->msg_relayState($relaystate);
$self->lmLog( "Set $relaystate in RelayState", 'debug' );
}
# Customize request
my $request = $login->request();
# Maybe we are in IDP proxy mode (SAML request received on IDP side)
# In this case:
# * Check proxy conditions
# * Forward some authn constraints
if ( $self->{_proxiedSamlRequest} ) {
$self->lmLog( "IDP Proxy mode detected", 'debug' );
# Get ProxyCount value
eval {
$proxyCount = $self->{_proxiedSamlRequest}->Scoping()->ProxyCount();
};
# Deny request if ProxyCount eq 0
if ( defined $proxyCount ) {
$self->lmLog( "Found proxyCount $proxyCount in proxied request",
'debug' );
if ( $proxyCount eq 0 ) {
$self->lmLog( "SAML request cannot be proxied (ProxyCount 0)",
'error' );
return;
}
else {
# Decrease ProxyCount
my $scoping = $self->{_proxiedSamlRequest}->Scoping();
$scoping->ProxyCount( $proxyCount-- );
eval { $request->Scoping($scoping); };
}
}
# isPassive
eval { $isPassive = $self->{_proxiedSamlRequest}->IsPassive(); };
# forceAuthn
eval { $forceAuthn = $self->{_proxiedSamlRequest}->ForceAuthn(); };
# requestedAuthnContext
eval {
$proxyRequestedAuthnContext =
$self->{_proxiedSamlRequest}->RequestedAuthnContext();
};
}
# NameIDFormat
if ($nameIDFormat) {
$self->lmLog( "Use NameIDFormat $nameIDFormat", 'debug' );
$request->NameIDPolicy()->Format($nameIDFormat);
}
# Always allow NameID creation
$request->NameIDPolicy()->AllowCreate(1);
# Force authentication
if ($forceAuthn) {
$self->lmLog( "Force authentication on IDP", 'debug' );
$request->ForceAuthn(1);
}
# Passive authentication
if ($isPassive) {
$self->lmLog( "Passive authentication on IDP", 'debug' );
$request->IsPassive(1);
}
# Allow proxy
unless ($allowProxiedAuthn) {
$self->lmLog( "Do not allow this request to be proxied", 'debug' );
eval {
my $proxyRestriction = Lasso::Saml2ProxyRestriction->new();
$proxyRestriction->Audience($idp);
$proxyRestriction->Count(0);
my $conditions = $request->Conditions()
|| Lasso::Saml2Conditions->new();
$conditions->ProxyRestriction($proxyRestriction);
$request->Conditions($conditions);
};
if ($@) {
$self->checkLassoError($@);
return;
}
}
# Signature
if ( $signSSOMessage == 0 ) {
$self->lmLog( "SSO request will not be signed", 'debug' );
$self->disableSignature($login);
}
elsif ( $signSSOMessage == 1 ) {
$self->lmLog( "SSO request will be signed", 'debug' );
$self->forceSignature($login);
}
else {
$self->lmLog( "SSO request signature according to metadata", 'debug' );
}
# Requested authentication context
if ($proxyRequestedAuthnContext) {
$self->lmLog( "Use RequestedAuthnContext from proxied request",
'debug' );
$request->RequestedAuthnContext($proxyRequestedAuthnContext);
}
elsif ($requestedAuthnContext) {
$self->lmLog( "Request $requestedAuthnContext context", 'debug' );
eval {
my $context = Lasso::Samlp2RequestedAuthnContext->new();
$context->AuthnContextClassRef($requestedAuthnContext);
$context->Comparison("minimum");
$request->RequestedAuthnContext($context);
};
if ($@) {
$self->checkLassoError($@);
return;
}
}
# Build authentication request
unless ( $self->buildAuthnRequestMsg($login) ) {
$self->lmLog( "Could not build authentication request on $idp",
'error' );
return;
}
# Artifact
if ( $method == $self->getHttpMethod("artifact-get")
or $method == $self->getHttpMethod("artifact-post") )
{
# Get artifact ID and Content, and store them
my $artifact_id = $login->get_artifact;
my $artifact_message = $login->get_artifact_message;
$self->storeArtifact( $artifact_id, $artifact_message );
}
return $login;
}
## @method Lasso::Login createLogin(Lasso::Server server, string dump)
# Create Lasso::Login object
# @param server Lasso::Server object
# @param dump optional XML dump
# @return Lasso::Login object
sub createLogin {
my ( $self, $server, $dump ) = @_;
my $login;
if ($dump) {
eval { $login = Lasso::Login::new_from_dump( $server, $dump ); };
}
else {
eval { $login = Lasso::Login->new($server); };
}
if ($@) {
$self->checkLassoError($@);
return;
}
return $login;
}
## @method boolean initAuthnRequest(Lasso::Login login, string idp, int method)
# Init authentication request
# @param login Lasso::Login
# @param idp entityID
# @param method HTTP method
# @return boolean result
sub initAuthnRequest {
my ( $self, $login, $idp, $method ) = @_;
eval { Lasso::Login::init_authn_request( $login, $idp, $method ); };
return $self->checkLassoError($@);
}
## @method boolean initIdpInitiatedAuthnRequest(Lasso::Login login, string idp)
# Init authentication request
# @param login Lasso::Login
# @param idp entityID
# @return boolean result
sub initIdpInitiatedAuthnRequest {
my ( $self, $login, $idp ) = @_;
eval { Lasso::Login::init_idp_initiated_authn_request( $login, $idp ); };
return $self->checkLassoError($@);
}
## @method boolean buildAuthnRequestMsg(Lasso::Login login)
# Build authentication request message
# @param login Lasso::Login
# @return boolean result
sub buildAuthnRequestMsg {
my ( $self, $login ) = @_;
eval { Lasso::Login::build_authn_request_msg($login); };
return $self->checkLassoError($@);
}
## @method boolean processAuthnRequestMsg(Lasso::Login login, string request)
# Process authentication request message
# @param login Lasso::Login object
# @param request SAML request
# @return result
sub processAuthnRequestMsg {
my ( $self, $login, $request ) = @_;
eval { Lasso::Login::process_authn_request_msg( $login, $request ); };
return $self->checkLassoError($@);
}
## @method boolean validateRequestMsg(Lasso::Login login, boolean auth, boolean consent)
# Validate request message
# @param login Lasso::Login object
# @param auth is user authenticated?
# @param consent is consent obtained?
# @return result
sub validateRequestMsg {
my ( $self, $login, $auth, $consent ) = @_;
eval { Lasso::Login::validate_request_msg( $login, $auth, $consent ); };
return $self->checkLassoError($@);
}
## @method boolean buildAuthnResponseMsg(Lasso::Login login)
# Build authentication response message
# @param login Lasso::Login object
# @return boolean result
sub buildAuthnResponseMsg {
my ( $self, $login ) = @_;
eval { Lasso::Login::build_authn_response_msg($login); };
return $self->checkLassoError($@);
}
## @method boolean buildArtifactMsg(Lasso::Login login, int method)
# Build artifact message
# @param login Lasso::Login object
# @param method HTTP method
# @return boolean result
sub buildArtifactMsg {
my ( $self, $login, $method ) = @_;
eval { Lasso::Login::build_artifact_msg( $login, $method ); };
return $self->checkLassoError($@);
}
## @method boolean buildAssertion(Lasso::Login login, string authn_context, int notOnOrAfterTimeout)
# Build assertion
# @param login Lasso::Login object
# @param authn_context SAML2 authentication context
# @param notOnOrAfterTimeout Timeout to apply to notOnOrAfter
# @return boolean result
sub buildAssertion {
my ( $self, $login, $authn_context, $notOnOrAfterTimeout ) = @_;
$notOnOrAfterTimeout ||= $self->{timeout};
# Dates
my $time = $self->{sessionInfo}->{_utime} || time();
my $timeout = $time + $notOnOrAfterTimeout;
my $authenticationInstant = $self->timestamp2samldate($time);
my $reauthenticateOnOrAfter = $self->timestamp2samldate($timeout);
my $issued_time = time;
my $notBefore = $self->timestamp2samldate($issued_time);
my $notOnOrAfter =
$self->timestamp2samldate( $issued_time + $notOnOrAfterTimeout );
eval {
Lasso::Login::build_assertion( $login, $authn_context,
$authenticationInstant, $reauthenticateOnOrAfter, $notBefore,
$notOnOrAfter );
};
return $self->checkLassoError($@);
}
## @method boolean processAuthnResponseMsg(Lasso::Login login, string response)
# Process authentication response message
# @param login Lasso::Login object
# @param response SAML response
# @return result
sub processAuthnResponseMsg {
my ( $self, $login, $response ) = @_;
eval { Lasso::Login::process_authn_response_msg( $login, $response ); };
return $self->checkLassoError($@);
}
## @method Lasso::Saml2NameID getNameIdentifer(Lasso::Profile profile)
# Get NameID from Lasso Profile
# @param profile Lasso::Profile object
# @return result or NULL if error
sub getNameIdentifier {
my ( $self, $profile ) = @_;
my $nameid;
eval { $nameid = Lasso::Profile::get_nameIdentifier($profile); };
if ($@) {
$self->checkLassoError($@);
return;
}
return $nameid;
}
## @method Lasso::Identity createIdentity(string dump)
# Create Lasso::Identity object
# @param dump optional Identity dump
# @return Lasso::Identity object
sub createIdentity {
my ( $self, $dump ) = @_;
my $identity;
if ($dump) {
eval { $identity = Lasso::Identity::new_from_dump($dump); };
}
else {
eval { $identity = Lasso::Identity->new(); };
}
if ($@) {
$self->checkLassoError($@);
return;
}
return $identity;
}
## @method Lasso::Session createSession(string dump)
# Create Lasso::Session object
# @param dump optional Session dump
# @return Lasso::Session object
sub createSession {
my ( $self, $dump ) = @_;
my $session;
if ($dump) {
eval { $session = Lasso::Session::new_from_dump($dump); };
}
else {
eval { $session = Lasso::Session->new(); };
}
if ($@) {
$self->checkLassoError($@);
return;
}
return $session;
}
## @method boolean acceptSSO(Lasso::Login login)
# Accept SSO from IDP
# @param login Lasso::Login object
# @return result
sub acceptSSO {
my ( $self, $login ) = @_;
eval { Lasso::Login::accept_sso($login); };
return $self->checkLassoError($@);
}
## @method string storeRelayState(hashref infos)
# Store information in relayState database and return
# corresponding session_id
# @param infos HASH reference of information
sub storeRelayState {
my ( $self, @data ) = @_;
# check if there are data to store
my $infos;
foreach (@data) {
$infos->{$_} = $self->{$_} if $self->{$_};
}
return unless ($infos);
# Create relaystate session
my $samlSessionInfo = $self->getSamlSession();
return unless $samlSessionInfo;
# Session type
$infos->{_type} = "relaystate";
# Set _utime for session autoremove
# Use default session timeout and relayState session timeout to compute it
my $time = time();
my $timeout = $self->{timeout};
my $samlRelayStateTimeout = $self->{samlRelayStateTimeout} || $timeout;
$infos->{_utime} = $time + ( $samlRelayStateTimeout - $timeout );
# Store infos in relaystate session
$samlSessionInfo->update($infos);
# Session ID
my $relaystate_id = $samlSessionInfo->id;
# Return session ID
return $relaystate_id;
}
## @method boolean extractRelayState(string relaystate, boolean relayStateURL)
# Extract RelayState information into $self
# @param relaystate Relay state value
# @param relayStateURL Allow Relay state value to be the redirection URL
# @return result
sub extractRelayState {
my ( $self, $relaystate, $relayStateURL ) = @_;
return 0 unless $relaystate;
if ( $relayStateURL and $relaystate =~ /^https?:\/\// ) {
$self->lmLog( "RelayState is a redirection URL: $relaystate", 'debug' );
$self->{urldc} = $relaystate;
return 1;
}
else {
# Open relaystate session
my $samlSessionInfo = $self->getSamlSession($relaystate);
return 0 unless $samlSessionInfo;
# Push values in $self
foreach ( keys %{ $samlSessionInfo->data } ) {
next if $_ =~ /(type|_session_id|_utime)/;
$self->{$_} = $samlSessionInfo->data->{$_};
}
# delete relaystate session
if ( $samlSessionInfo->remove ) {
$self->lmLog( "Relaystate $relaystate was deleted", 'debug' );
}
else {
$self->lmLog( "Unable to delete relaystate $relaystate", 'error' );
$self->lmLog( $samlSessionInfo->error, 'error' );
}
}
return 1;
}
## @method Lasso::Node getAssertion(Lasso::Login login)
# Get assertion in Lasso::Login object
# @param login Lasso::Login object
# @return assertion Lasso::Node object
sub getAssertion {
my ( $self, $login ) = @_;
my $assertion;
eval { $assertion = Lasso::Login::get_assertion($login); };
if ($@) {
$self->checkLassoError($@);
return;
}
return $assertion;
}
## @method string getAttributeValue(string name, string format, string friendly_name, arrayref attributes, boolean force_utf8)
# Get SAML attribute value corresponding to name, format and friendly_name
# Multivaluated values are separated by multiValuesSeparator
# If force_utf8 flag is set, value is encoded in UTF-8
# @param name SAML attribute name
# @param format optional SAML attribute format
# @param friendly_name optional SAML attribute friendly name
# @param attributes Attributes
# @param force_utf8 optional flag to force value in UTF-8
# @return attribute value
sub getAttributeValue {
my ( $self, $name, $format, $friendly_name, $attributes, $force_utf8 ) = @_;
my $value;
# Loop on attributes
foreach (@$attributes) {
my $attr_name = $_->Name();
my $attr_format = $_->NameFormat();
my $attr_fname = $_->FriendlyName();
# Skip if name does not correspond to attribute name
next if ( $name ne $attr_name );
# Verify format and friendly name if given
next if ( $format and $format ne $attr_format );
next if ( $friendly_name and $friendly_name ne $attr_fname );
# Attribute is found, return its content
my @attr_values = $_->AttributeValue();
foreach (@attr_values) {
my $xs = XML::Simple->new();
my $data = $xs->XMLin( $_->dump() );
my $content = $data->{content};
$value .= $content . $self->{multiValuesSeparator} if $content;
}
$value =~ s/\Q$self->{multiValuesSeparator}\E$//;
# Encode UTF-8 if force_utf8 flag
$value = encode( "utf8", $value ) if $force_utf8;
}
return $value;
}
## @method boolean validateConditions(Lasso::Saml2::Assertion assertion, string entityID, boolean checkTime, boolean checkAudience)
# Validate conditions
# @param assertion SAML2 assertion
# @param entityID relying party entity ID
# @param checkTime Enable time conditions check
# @param checkAudience Enable audience conditions check
# @return result
sub validateConditions {
my ( $self, $assertion, $entityID, $checkTime, $checkAudience ) = @_;
my $tolerance = 10;
my $status;
$checkTime = 1 unless defined $checkTime;
$checkAudience = 1 unless defined $checkAudience;
# Time
if ($checkTime) {
eval {
$status =
Lasso::Saml2Assertion::validate_time_checks( $assertion,
$tolerance );
};
if ($@) {
$self->checkLassoError($@);
return 0;
}
unless ( $status eq Lasso::Constants::SAML2_ASSERTION_VALID ) {
$self->lmLog( "Time conditions validations result: $status",
'error' );
return 0;
}
$self->lmLog( "Time conditions validated", 'debug' );
}
else {
$self->lmLog( "Time conditions not checked", 'debug' );
}
# Audience
if ($checkAudience) {
eval {
$status =
Lasso::Saml2Assertion::validate_audience( $assertion, $entityID );
};
if ($@) {
$self->checkLassoError($@);
return 0;
}
unless ( $status eq Lasso::Constants::SAML2_ASSERTION_VALID ) {
$self->lmLog( "Audience conditions validations result: $status",
'error' );
return 0;
}
$self->lmLog( "Audience conditions validated", 'debug' );
}
else {
$self->lmLog( "Audience conditions not checked", 'debug' );
}
return 1;
}
## @method Lasso::Logout createLogoutRequest(Lasso::Server server, string session_dump, int method, boolean signSLOMessage)
# Create logout request for selected entity
# @param server Lasso::Server object
# @param session_dump Lasso::Session dump
# @param method HTTP method
# @param signSLOMessage sign request
# @return Lasso::Login object
sub createLogoutRequest {
my ( $self, $server, $session_dump, $method, $signSLOMessage ) = @_;
my $session;
# Create Lasso Logout
my $logout = $self->createLogout($server);
unless ( $self->setSessionFromDump( $logout, $session_dump ) ) {
$self->lmLog( "Could not fill Lasso::Logout with session dump",
'error' );
return;
}
# Init logout request
unless ( $self->initLogoutRequest( $logout, undef, $method ) ) {
$self->lmLog( "Could not initiate logout request", 'error' );
return;
}
# Set RelayState
if ( my $relaystate = $self->storeRelayState(qw /urldc/) ) {
$logout->msg_relayState($relaystate);
$self->lmLog( "Set $relaystate in RelayState", 'debug' );
}
# Signature
if ( $signSLOMessage == 0 ) {
$self->lmLog( "SLO request will not be signed", 'debug' );
$self->disableSignature($logout);
}
elsif ( $signSLOMessage == 1 ) {
$self->lmLog( "SLO request will be signed", 'debug' );
$self->forceSignature($logout);
}
else {
$self->lmLog( "SLO request signature according to metadata", 'debug' );
}
# Build logout request
unless ( $self->buildLogoutRequestMsg($logout) ) {
$self->lmLog( "Could not build logout request", 'error' );
return;
}
return $logout;
}
## @method Lasso::Logout createLogout(Lasso::Server server, string dump)
# Create Lasso::Logout object
# @param server Lasso::Server object
# @param dump optional XML dump
# @return Lasso::Logout object
sub createLogout {
my ( $self, $server, $dump ) = @_;
my $logout;
if ($dump) {
eval { $logout = Lasso::Logout::new_from_dump( $server, $dump ); };
}
else {
eval { $logout = Lasso::Logout->new($server); };
}
if ($@) {
$self->checkLassoError($@);
return;
}
return $logout;
}
## @method boolean initLogoutRequest(Lasso::Logout logout, string entityID, int method)
# Init logout request
# @param logout Lasso::Logout object
# @param entityID Entity ID
# @param method HTTP method
# @return result
sub initLogoutRequest {
my ( $self, $logout, $entityID, $method ) = @_;
eval { Lasso::Logout::init_request( $logout, $entityID, $method ); };
return $self->checkLassoError($@);
}
## @method boolean buildLogoutRequestMsg(Lasso::Logout logout)
# Build logout request message
# @param logout Lasso::Logout object
# @return result
sub buildLogoutRequestMsg {
my ( $self, $logout ) = @_;
eval { Lasso::Logout::build_request_msg($logout); };
return $self->checkLassoError($@);
}
## @method boolean setSessionFromDump(Lasso::Profile profile, string dump)
# Set session from dump in Lasso::Profile object
# @param profile Lasso::Profile object
# @param dump Lasso::Session XML dump
# @return result
sub setSessionFromDump {
my ( $self, $profile, $dump ) = @_;
$self->lmLog( "Loading Session dump: $dump", 'debug' );
eval { Lasso::Profile::set_session_from_dump( $profile, $dump ); };
return $self->checkLassoError($@);
}
## @method boolean setIdentityFromDump(Lasso::Profile profile, string dump)
# Set identity from dump in Lasso::Profile object
# @param profile Lasso::Profile object
# @param dump Lasso::Identity XML dump
# @return result
sub setIdentityFromDump {
my ( $self, $profile, $dump ) = @_;
eval { Lasso::Profile::set_identity_from_dump( $profile, $dump ); };
return $self->checkLassoError($@);
}
## @method string getMetaDataURL(string key, int index)
# Get URL stored in a service metadata configuration key
# Replace #PORTAL# macro
# @param key Metadata configuration key
# @param index field index containing URL
# @param full Return full URL instead of path
# @return url
sub getMetaDataURL {
my ( $self, $key, $index, $full ) = @_;
$index = 3 unless defined $index;
$full = 0 unless defined $full;
return unless defined $self->{$key};
my $url = ( split( /;/, $self->{$key} ) )[$index];
# Get portal value
my $portal = $self->{portal};
$portal =~ s/\/$//;
# Replace #PORTAL# macro
$url =~ s/#PORTAL#/$portal/g;
# Return Full URL
return $url if $full;
# Return only path
my $uri = URI->new($url);
return $uri->path();
}
## @method boolean processLogoutResponseMsg(Lasso::Logout logout, string response)
# Process logout response message
# @param logout Lasso::Logout object
# @param response SAML response
# @return result
sub processLogoutResponseMsg {
my ( $self, $logout, $response ) = @_;
eval { Lasso::Logout::process_response_msg( $logout, $response ); };
return $self->checkLassoError($@);
}
## @method boolean processLogoutRequestMsg(Lasso::Logout logout, string request)
# Process logout request message
# @param logout Lasso::Logout object
# @param request SAML request
# @return result
sub processLogoutRequestMsg {
my ( $self, $logout, $request ) = @_;
# Process the request
eval { Lasso::Logout::process_request_msg( $logout, $request ); };
return 0 unless $self->checkLassoError($@);
# Check NotOnOrAfter optional attribute
my $notOnOrAfter;
eval { $notOnOrAfter = $logout->request()->NotOnOrAfter(); };
return 1 if ( $@ or !$notOnOrAfter );
$self->lmLog( "Found NotOnOrAfter $notOnOrAfter in logout request",
'debug' );
my $expirationTime = $self->samldate2timestamp($notOnOrAfter);
return ( time < $expirationTime );
}
## @method boolean validateLogoutRequest(Lasso::Logout logout)
# Validate logout request
# @param logout Lasso::Logout object
# @return result
sub validateLogoutRequest {
my ( $self, $logout ) = @_;
eval { Lasso::Logout::validate_request($logout); };
return $self->checkLassoError($@);
}
## @method boolean buildLogoutResponseMsg(Lasso::Logout logout)
# Build logout response message
# @param logout Lasso::Logout object
# @return boolean result
sub buildLogoutResponseMsg {
my ( $self, $logout ) = @_;
eval { Lasso::Logout::build_response_msg($logout); };
return $self->checkLassoError($@);
}
## @method boolean storeReplayProtection(string samlID, string samlData)
# Store ID of an SAML message in Replay Protection base
# @param samlID ID of SAML message
# @param samlData Optional data to store
# @return result
sub storeReplayProtection {
my ( $self, $samlID, $samlData ) = @_;
my $samlSessionInfo = $self->getSamlSession();
return 0 unless $samlSessionInfo;
my $infos;
$infos->{type} = 'assertion'; # Session type
$infos->{_utime} = time(); # Creation time
$infos->{_assert_id} = $samlID;
if ( defined $samlData && $samlData ) {
$infos->{data} = $samlData;
}
$samlSessionInfo->update($infos);
my $session_id = $samlSessionInfo->id;
$self->lmLog( "Keep request ID $samlID in assertion session $session_id",
'debug' );
return 1;
}
## @method boolean replayProtection(string samlID)
# Check if SAML message do not correspond to a previously responded message
# @param samlID ID of initial SAML message
# @return result
sub replayProtection {
my ( $self, $samlID ) = @_;
unless ($samlID) {
$self->lmLog( "Cannot verify replay because no SAML ID given",
'error' );
return 0;
}
my $moduleOptions = $self->{samlStorageOptions} || {};
$moduleOptions->{backend} = $self->{samlStorage};
my $module = "Lemonldap::NG::Common::Apache::Session";
my $sessions = $module->searchOn( $moduleOptions, "_assert_id", $samlID );
if ( my @keys = keys %$sessions ) {
# A session was found
foreach (@keys) {
my $session = $_;
my $result = 1;
# Delete it
my $samlSessionInfo = $self->getSamlSession($_);
return 0 unless $samlSessionInfo;
if ( defined $samlSessionInfo->data->{data} ) {
$result = $samlSessionInfo->data->{data};
}
if ( $samlSessionInfo->remove ) {
$self->lmLog(
"Assertion session $session (Message ID $samlID) was deleted",
'debug'
);
return $result;
}
else {
$self->lmLog(
"Unable to delete assertion session $session (Message ID $samlID)",
'error'
);
$self->lmLog( $samlSessionInfo->error, 'error' );
return 0;
}
}
}
return 0;
}
## @method string resolveArtifact(Lasso::Profile profile, string artifact, int method)
# Resolve artifact to get real SAML message
# @param profile Lasso::Profile object
# @param artifact Artifact message
# @param method HTTP method
# @return SAML message
sub resolveArtifact {
my ( $self, $profile, $artifact, $method ) = @_;
my $message;
# Login profile
if ( $profile->isa("Lasso::Login") ) {
# Init request message
eval { Lasso::Login::init_request( $profile, $artifact, $method ); };
return unless $self->checkLassoError($@);
# Build request message
eval { Lasso::Login::build_request_msg($profile); };
return unless $self->checkLassoError($@);
unless ( $profile->msg_url ) {
$self->lmLog( "No artifcat resolution URL found", 'error' );
return;
}
my $request = HTTP::Request->new( 'POST' => $profile->msg_url );
$request->content_type('text/xml');
$request->content( $profile->msg_body );
$self->lmLog(
"Send message " . $profile->msg_body . " to " . $profile->msg_url,
'debug' );
# SOAP call
my $soap_answer = $self->ua()->request($request);
if ( $soap_answer->code() == "200" ) {
$message = $soap_answer->content();
$self->lmLog( "Get message $message", 'debug' );
}
}
return $message;
}
## @method boolean storeArtifact(string id, string message, string session_id)
# Store artifact
# @param id Artifact ID
# @param message Artifact content
# @param session_id Session ID
# @return result
sub storeArtifact {
my ( $self, $id, $message, $session_id ) = @_;
my $samlSessionInfo = $self->getSamlSession();
return 0 unless $samlSessionInfo;
my $infos;
$infos->{type} = 'artifact'; # Session type
$infos->{_utime} = time(); # Creation time
$infos->{_art_id} = $id;
$infos->{message} = $message;
$infos->{_saml_id} = $session_id if $session_id;
$samlSessionInfo->update($infos);
my $art_session_id = $samlSessionInfo->id;
$self->lmLog( "Keep artifact $id in session $art_session_id", 'debug' );
return 1;
}
## @method hashRef loadArtifact(string id)
# Load artifact
# @param id Artifact ID
# @return Artifact session content
sub loadArtifact {
my ( $self, $id ) = @_;
my $art_session;
unless ($id) {
$self->lmLog( "Cannot load artifact because no id given", 'error' );
return;
}
my $moduleOptions = $self->{samlStorageOptions} || {};
$moduleOptions->{backend} = $self->{samlStorage};
my $module = "Lemonldap::NG::Common::Apache::Session";
my $sessions = $module->searchOn( $moduleOptions, "_art_id", $id );
if ( my @keys = keys %$sessions ) {
my $nb_sessions = $#keys + 1;
$self->lmLog( "Found $nb_sessions sessions for artifact $id", 'debug' );
# There should only be 1 result
return if ( $nb_sessions != 1 );
my $session_id = shift @keys;
my $session = $session_id;
# Open session
my $samlSessionInfo = $self->getSamlSession($session_id);
return unless $samlSessionInfo;
# Get session contents
foreach ( keys %{ $samlSessionInfo->data } ) {
$art_session->{$_} = $samlSessionInfo->data->{$_};
}
# Delete session
if ( $samlSessionInfo->remove ) {
$self->lmLog( "Artifact session $session (ID $id) was deleted",
'debug' );
return $art_session;
}
else {
$self->lmLog( "Unable to delete artifact session $session (ID $id)",
'error' );
$self->lmLog( $samlSessionInfo->error, 'error' );
return;
}
}
return;
}
## @method string createArtifactResponse(Lasso::Login login)
# Create artifact response
# @param login Lasso::Login object
# @return Artifact response
sub createArtifactResponse {
my ( $self, $login ) = @_;
my $artifact_id = $login->assertionArtifact();
# Load artifact message into login response
my $art_session = $self->loadArtifact($artifact_id);
utf8::decode( $art_session->{message} );
eval { $login->set_artifact_message( $art_session->{message} ); };
if ($@) {
$self->checkLassoError($@);
$self->lmLog( "Cannot load artifact message", 'error' );
return;
}
$self->lmLog( "Response loaded", 'debug' );
# Try to get Lasso session
my $session_id = $art_session->{_saml_id};
if ($session_id) {
$self->lmLog( "Find session_id $session_id in artifact session",
'debug' );
my $session = $self->getApacheSession( $session_id, 1 );
unless ($session) {
$self->lmLog( "Unable to open session $session_id", 'error' );
return;
}
my $lassoSession = $session->data->{_lassoSessionDump};
if ($lassoSession) {
unless ( $self->setSessionFromDump( $login, $lassoSession ) ) {
$self->lmLog( "Unable to load Lasso Session", 'error' );
return;
}
$self->lmLog( "Lasso Session loaded", 'debug' );
}
}
else {
$self->lmLog( "No session_id in artifact session", 'debug' );
}
# Build artifact response
eval { Lasso::Login::build_response_msg($login); };
if ($@) {
$self->checkLassoError($@);
$self->lmLog( "Cannot build artifact response", 'error' );
return;
}
$self->lmLog( "Artifact response built", 'debug' );
# Store Lasso session if session opened
if ( $session_id and $login->is_session_dirty ) {
$self->lmLog( "Save Lasso session in session", 'debug' );
$self->updateSession(
{ _lassoSessionDump => $login->get_session->dump }, $session_id );
}
# Return artifact message
return $login->msg_body;
}
## @method boolean processArtRequestMsg(Lasso::Profile profile, string request)
# Process artifact request message
# @param profile Lasso::Profile object
# @param request SAML request
# @return result
sub processArtRequestMsg {
my ( $self, $profile, $request ) = @_;
# Login profile
if ( $profile->isa("Lasso::Login") ) {
eval { Lasso::Login::process_request_msg( $profile, $request ); };
return $self->checkLassoError($@);
}
return 0;
}
## @method boolean processArtResponseMsg(Lasso::Profile profile, string response)
# Process artifact response message
# @param profile Lasso::Profile object
# @param response SAML response
# @return result
sub processArtResponseMsg {
my ( $self, $profile, $response ) = @_;
# Login profile
if ( $profile->isa("Lasso::Login") ) {
eval { Lasso::Login::process_response_msg( $profile, $response ); };
return $self->checkLassoError($@);
}
return 0;
}
## @method string sendSOAPMessage(string endpoint, string message)
# Send SOAP message and get response
# @param endpoint SOAP End Point
# @param message SOAP message
# @return SOAP response
sub sendSOAPMessage {
my ( $self, $endpoint, $message ) = @_;
my $response;
my $request = HTTP::Request->new( 'POST' => $endpoint );
$request->content_type('text/xml');
$request->content($message);
$self->lmLog( "Send SOAP message $message to $endpoint", 'debug' );
# SOAP call
my $soap_answer = $self->ua()->request($request);
if ( $soap_answer->code() == "200" ) {
$response = $soap_answer->content();
$self->lmLog( "Get response $response", 'debug' );
}
else {
$self->lmLog( "No response to SOAP request", 'debug' );
return;
}
return $response;
}
## @method Lasso::AssertionQuery createAssertionQuery(Lasso::Server server)
# Create a new assertion query
# @param server Lasso::Server object
# @return assertion query
sub createAssertionQuery {
my ( $self, $server ) = @_;
my $query;
# Create assertion query
eval { $query = Lasso::AssertionQuery->new($server); };
if ($@) {
$self->checkLassoError($@);
return;
}
return $query;
}
## @method Lasso::AssertionQuery createAttributeRequest(Lasso::Server server, string idp, hashref attributes, Lasso::Saml2NameID nameid)
# Create an attribute request
# @param server Lasso::Server object
# @param idp IDP entityID
# @param attributes List of requested attributes
# @param nameid Subject NameID
# @return attribute request
sub createAttributeRequest {
my ( $self, $server, $idp, $attributes, $nameid ) = @_;
my $query;
# Create assertion query
return unless ( $query = $self->createAssertionQuery($server) );
$self->lmLog( "Assertion query created", 'debug' );
# Init request
my $method = Lasso::Constants::HTTP_METHOD_SOAP;
my $type = Lasso::Constants::ASSERTION_QUERY_REQUEST_TYPE_ATTRIBUTE;
eval {
Lasso::AssertionQuery::init_request( $query, $idp, $method, $type );
};
if ($@) {
$self->checkLassoError($@);
return;
}
$self->lmLog( "Assertion query request initiated", 'debug' );
# Set NameID
eval { $query->request()->Subject()->NameID($nameid); };
if ($@) {
$self->checkLassoError($@);
return;
}
$self->lmLog( "Set NameID " . $nameid->dump . " in assertion query",
'debug' );
# Store attributes in request
my @requested_attributes;
foreach ( keys %$attributes ) {
# Create SAML2 Attribute
my $attribute;
eval { $attribute = Lasso::Saml2Attribute->new(); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Set attribute properties
my ( $mandatory, $name, $format, $friendly_name ) =
split( /;/, $attributes->{$_} );
$attribute->Name($name) if defined $name;
$attribute->NameFormat($format) if defined $format;
$attribute->FriendlyName($friendly_name) if defined $friendly_name;
# Store attribute
push @requested_attributes, $attribute;
}
# Set attributes in request
eval { $query->request()->Attribute(@requested_attributes); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Build message
eval { Lasso::AssertionQuery::build_request_msg($query); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Return query
return $query;
}
## @method boolean validateAttributeRequest(Lasso::AssertionQuery query)
# Validate an attribute request
# @param query Lasso::AssertionQuery object
# @return result
sub validateAttributeRequest {
my ( $self, $query ) = @_;
eval { Lasso::AssertionQuery::validate_request($query); };
return $self->checkLassoError($@);
}
## @method Lasso::AssertionQuery processAttributeRequest(Lasso::Server server, string request)
# Process an attribute request
# @param server Lasso::Server object
# @param request Request content
# @return assertion query
sub processAttributeRequest {
my ( $self, $server, $request ) = @_;
my $query;
# Create assertion query
return unless ( $query = $self->createAssertionQuery($server) );
$self->lmLog( "Assertion query created", 'debug' );
# Process response
eval { Lasso::AssertionQuery::process_request_msg( $query, $request ); };
if ($@) {
$self->checkLassoError($@);
return;
}
$self->lmLog( "Attribute request is valid", 'debug' );
return $query;
}
## @method string buildAttributeResponse(Lasso::AssertionQuery query)
# Build attribute response
# @param query Lasso::AssertionQuery object
# @return attribute response
sub buildAttributeResponse {
my ( $self, $query ) = @_;
eval { Lasso::AssertionQuery::build_response_msg($query); };
if ($@) {
$self->checkLassoError($@);
return;
}
return $query->msg_body;
}
## @method Lasso::AssertionQuery processAttributeResponse(Lasso::Server server, string response)
# Process an attribute response
# @param server Lasso::Server object
# @param response Response content
# @return assertion query
sub processAttributeResponse {
my ( $self, $server, $response ) = @_;
my $query;
# Create assertion query
return unless ( $query = $self->createAssertionQuery($server) );
$self->lmLog( "Assertion query created", 'debug' );
# Process response
eval { Lasso::AssertionQuery::process_response_msg( $query, $response ); };
if ($@) {
$self->checkLassoError($@);
return;
}
$self->lmLog( "Attribute response is valid", 'debug' );
return $query;
}
## @method string getNameIDFormat(string format)
# Convert configuration string into SAML2 NameIDFormat string
# @param format configuration string
# @return SAML2 NameIDFormat string
sub getNameIDFormat {
my ( $self, $format ) = @_;
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_UNSPECIFIED
if ( $format =~ /unspecified/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_EMAIL
if ( $format =~ /email/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_X509
if ( $format =~ /x509/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_WINDOWS
if ( $format =~ /windows/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_KERBEROS
if ( $format =~ /kerberos/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_ENTITY
if ( $format =~ /entity/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_PERSISTENT
if ( $format =~ /persistent/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_TRANSIENT
if ( $format =~ /transient/i );
return Lasso::Constants::SAML2_NAME_IDENTIFIER_FORMAT_ENCRYPTED
if ( $format =~ /encrypted/i );
return;
}
## @method int getHttpMethod(string method)
# Convert configuration string into Lasso HTTP Method integer
# @param method configuration string
# @return Lasso HTTP Method integer
sub getHttpMethod {
my ( $self, $method ) = @_;
return Lasso::Constants::HTTP_METHOD_POST
if ( $method =~ /^(http)?[-_]?post$/i );
return Lasso::Constants::HTTP_METHOD_REDIRECT
if ( $method =~ /^(http)?[-_]?redirect$/i );
return Lasso::Constants::HTTP_METHOD_SOAP
if ( $method =~ /^(http)?[-_]?soap$/i );
return Lasso::Constants::HTTP_METHOD_ARTIFACT_GET
if ( $method =~ /^(artifact)[-_]get$/i );
return Lasso::Constants::HTTP_METHOD_ARTIFACT_POST
if ( $method =~ /^(artifact)[-_]post$/i );
return;
}
## @method int getHttpMethodString(int method)
# Convert configuration Lasso HTTP Method integer into string
# @param method Lasso HTTP Method
# @return method string
sub getHttpMethodString {
my ( $self, $method ) = @_;
return "POST" if ( $method == Lasso::Constants::HTTP_METHOD_POST );
return "REDIRECT"
if ( $method == Lasso::Constants::HTTP_METHOD_REDIRECT );
return "SOAP" if ( $method == Lasso::Constants::HTTP_METHOD_SOAP );
return "ARTIFACT GET"
if ( $method == Lasso::Constants::HTTP_METHOD_ARTIFACT_GET );
return "ARTIFACT POST"
if ( $method == Lasso::Constants::HTTP_METHOD_ARTIFACT_POST );
return "UNDEFINED";
}
## @method int getFirstHttpMethod(Lasso::Server server, string entityID, int protocolType)
# Find a suitable HTTP method for an entity with a given protocol
# @param server Lasso::Server object
# @param entityID entity ID
# @param protocolType Lasso protocol type
# @return Lasso HTTP Method
sub getFirstHttpMethod {
my ( $self, $server, $entityID, $protocolType ) = @_;
my $entity_provider;
my $method;
# Get Lasso::Provider object
eval {
$entity_provider = Lasso::Server::get_provider( $server, $entityID );
};
if ($@) {
$self->checkLassoError($@);
return;
}
# Find HTTP method
eval {
$method =
Lasso::Provider::get_first_http_method( $server, $entity_provider,
$protocolType );
};
if ($@) {
$self->checkLassoError($@);
return;
}
return $method;
}
## @method boolean disableSignature(Lasso::Profile profile)
# Modify Lasso signature hint to disable signature
# @param profile Lasso profile object
# @return result
sub disableSignature {
my ( $self, $profile ) = @_;
eval {
Lasso::Profile::set_signature_hint( $profile,
Lasso::Constants::PROFILE_SIGNATURE_HINT_FORBID );
};
return $self->checkLassoError($@);
}
## @method boolean forceSignature(Lasso::Profile profile)
# Modify Lasso signature hint to force signature
# @param profile Lasso profile object
# @return result
sub forceSignature {
my ( $self, $profile ) = @_;
eval {
Lasso::Profile::set_signature_hint( $profile,
Lasso::Constants::PROFILE_SIGNATURE_HINT_FORCE );
};
return $self->checkLassoError($@);
}
## @method boolean disableSignatureVerification(Lasso::Profile profile)
# Modify Lasso signature hint to disable signature verification
# @param profile Lasso profile object
# @return result
sub disableSignatureVerification {
my ( $self, $profile ) = @_;
eval {
Lasso::Profile::set_signature_verify_hint( $profile,
Lasso::Constants::PROFILE_SIGNATURE_VERIFY_HINT_IGNORE );
};
return $self->checkLassoError($@);
}
## @method boolean forceSignatureVerification(Lasso::Profile profile)
# Modify Lasso signature hint to force signature verification
# @param profile Lasso profile object
# @return result
sub forceSignatureVerification {
my ( $self, $profile ) = @_;
eval {
Lasso::Profile::set_signature_verify_hint( $profile,
Lasso::Constants::PROFILE_SIGNATURE_VERIFY_HINT_MAYBE );
};
return $self->checkLassoError($@);
}
## @method string getAuthnContext(string context)
# Convert configuration string into SAML2 AuthnContextClassRef string
# @param context configuration string
# @return SAML2 AuthnContextClassRef string
sub getAuthnContext {
my ( $self, $context ) = @_;
return Lasso::Constants::SAML2_AUTHN_CONTEXT_KERBEROS
if ( $context =~ /^kerberos$/i );
return Lasso::Constants::SAML2_AUTHN_CONTEXT_PASSWORD_PROTECTED_TRANSPORT
if ( $context =~ /^password[-_ ]protected[-_ ]transport$/i );
return Lasso::Constants::SAML2_AUTHN_CONTEXT_PASSWORD
if ( $context =~ /^password$/i );
return Lasso::Constants::SAML2_AUTHN_CONTEXT_X509
if ( $context =~ /^x509$/i );
return Lasso::Constants::SAML2_AUTHN_CONTEXT_TLS_CLIENT
if ( $context =~ /^tls[-_ ]client$/i );
return Lasso::Constants::SAML2_AUTHN_CONTEXT_UNSPECIFIED
if ( $context =~ /^unspecified$/i );
return;
}
## @method string timestamp2samldate(string timestamp)
# Convert timestamp into SAML2 date format
# @param timestamp UNIX timestamp
# @return SAML2 date
sub timestamp2samldate {
my ( $self, $timestamp ) = @_;
my @t = gmtime($timestamp);
my $samldate = strftime( "%Y-%m-%dT%TZ", @t );
$self->lmLog( "Convert timestamp $timestamp in SAML2 date: $samldate",
'debug' );
return $samldate;
}
## @method string samldate2timestamp(string samldate)
# Convert SAML2 date format into timestamp
# @param samldate SAML2 date format
# @return UNIX timestamp
sub samldate2timestamp {
my ( $self, $samldate ) = @_;
my ( $year, $mon, $mday, $hour, $min, $sec, $msec, $ztime ) =
( $samldate =~
/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(\.\d+)?(Z)?/ );
my $timestamp =
timegm( $sec, $min, $hour, $mday, $mon - 1, $year - 1900, 0 );
$self->lmLog( "Convert SAML2 date $samldate in timestamp: $timestamp",
'debug' );
return $timestamp;
}
## @pmethod int sendLogoutResponseToServiceProvider(Lasso::Logout $logout, int $method)
# Send logout response issue from a logout request.
# @param $logout Lasso Logout object
# @param $method Method to use
# @return boolean False if failed.
sub sendLogoutResponseToServiceProvider {
my ( $self, $logout, $method ) = @_;
# Logout response
unless ( $self->buildLogoutResponseMsg($logout) ) {
$self->lmLog( "Unable to build SLO response", 'error' );
return 0;
}
# 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->{urldc} = $slo_url;
$self->lmLog( "Redirect user to $slo_url", 'debug' );
return $self->_subProcess(qw(autoRedirect));
}
# HTTP-POST
elsif ( $method == Lasso::Constants::HTTP_METHOD_POST ) {
# Use autosubmit form
my $slo_url = $logout->msg_url;
my $slo_body = $logout->msg_body;
my $relaystate = $logout->msg_relayState;
$self->{postUrl} = $slo_url;
$self->{postFields} = { 'SAMLResponse' => $slo_body };
# RelayState
$self->{postFields}->{'RelayState'} = $relaystate
if ($relaystate);
return $self->_subProcess(qw(autoPost));
}
# HTTP-SOAP
elsif ( $method == Lasso::Constants::HTTP_METHOD_SOAP ) {
my $slo_body = $logout->msg_body;
$self->{SOAPMessage} = $slo_body;
$self->lmLog( "SOAP response $slo_body", 'debug' );
$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 0;
}
return 1;
}
## @pmethod int sendLogoutRequestToProvider(Lasso::Logout $logout, string $providerID, int $method, boolean $relay, string $relayState)
# Send a logout request to a provider
# If information have to be displayed to users, such as iframe to send
# HTTP-Redirect or HTTP-POST logout request, then $self->{_info} will be
# updated.
# @param $logout Lasso Logout object
# @param $providerID The concerned service provider
# @param $method The method used to send the logout request
# @param $relay If SOAP method, build a relay logout request
# @param $relayState Relay State for SLO status
# @return int Number of concerned providers.
sub sendLogoutRequestToProvider {
my ( $self, $logout, $providerID, $method, $relay, $relayState ) = @_;
my $server = $self->{_lassoServer};
my $info;
# Test if provider is mentionned
if ( !$providerID ) {
return ( 0, undef, undef );
}
my $type = defined $self->{_spList}->{$providerID} ? "SP" : "IDP";
# Find EntityID in spList or idpList
unless ( defined $self->{ '_' . lc($type) . 'List' }->{$providerID} ) {
$self->lmLog( "$providerID does not match any known $type", 'error' );
return ( 0, undef, undef );
}
# Get Provider Name and Conf Key from EntityID
my $providerName =
$self->{ '_' . lc($type) . 'List' }->{$providerID}->{name};
my $confKey =
$self->{ '_' . lc($type) . 'List' }->{$providerID}->{confKey};
# Get first HTTP method
my $protocolType = Lasso::Constants::MD_PROTOCOL_TYPE_SINGLE_LOGOUT;
if ( !$method ) {
$method =
$self->getFirstHttpMethod( $server, $providerID, $protocolType );
}
# Fix a default value for the relay parameter
$relay = 0 unless ( defined $relay );
# Signature
my $signSLOMessage =
$self->{ 'saml' . $type . 'MetaDataOptions' }->{$confKey}
->{ 'saml' . $type . 'MetaDataOptionsSignSLOMessage' };
if ( $signSLOMessage == 0 ) {
$self->lmLog( "SLO request will not be signed", 'debug' );
$self->disableSignature($logout);
}
elsif ( $signSLOMessage == 1 ) {
$self->lmLog( "SLO request will be signed", 'debug' );
$self->forceSignature($logout);
}
else {
$self->lmLog( "SLO request signature according to metadata", 'debug' );
}
# Relay State
if ($relayState) {
eval { $logout->msg_relayState($relayState); };
if ($@) {
$self->lmLog(
"Unable to set Relay State $relayState in SLO request for $confKey",
'error'
);
return ( 0, $method, undef );
}
}
# Build the request
unless ( $logout->request() ) {
$self->lmLog( "No logout request found, build it", 'debug' );
# Initiate the logout request
unless ( $self->initLogoutRequest( $logout, $providerID, $method ) ) {
$self->lmLog( "Initiate logout request failed for $providerID",
'error' );
return ( 0, $method, undef );
}
# Build request message
unless ( $self->buildLogoutRequestMsg($logout) ) {
$self->lmLog( "Build logout request failed for $providerID",
'error' );
return ( 0, $method, undef );
}
}
# Keep message ID in memory to prevent replay
my $samlID = $logout->request()->ID;
unless ( $self->storeReplayProtection($samlID) ) {
$self->lmLog( "Unable to store message ID", 'error' );
return ( 0, $method, undef );
}
# Get portal value
my $portal = $self->{portal};
$portal =~ s/\/$//;
# Send logout request to the provider depending of the request method
# HTTP-REDIRECT
if ( $method == Lasso::Constants::HTTP_METHOD_REDIRECT ) {
$self->lmLog( "Send HTTP-REDIRECT logout request to $providerID",
'debug' );
# Redirect user to response URL
my $slo_url = $logout->msg_url;
$info .=
'<tr>' . '<td>'
. '<iframe src="'
. $slo_url
. '" alt="" marginwidth="0"'
. ' marginheight="0" scrolling="no" style="border: none"'
. ' width="10px" height="10px" frameborder="0">'
. '</iframe>' . '</td>' . '<td>'
. $providerName . '</td>' . '</tr>';
}
# HTTP-POST
elsif ( $method == Lasso::Constants::HTTP_METHOD_POST ) {
$self->lmLog( "Build POST relay logout request to $providerID",
'debug' );
# Create a new relay session
my $relayInfos = $self->getSamlSession();
my $infos;
# Store infos
$infos->{type} = 'relay';
$infos->{_utime} = time;
$infos->{url} = $logout->msg_url;
$infos->{body} = $logout->msg_body;
$infos->{relayState} = $logout->msg_relayState;
$relayInfos->update($infos);
my $relayID = $relayInfos->id;
# Build the URL that could be used to play this logout request
my $slo_url = $portal . '/saml/relaySingleLogoutPOST?relay=' . $relayID;
# Create iFrame
$info .=
'<tr>' . '<td>'
. '<iframe src="'
. $slo_url
. '" alt="" marginwidth="0"'
. ' marginheight="0" scrolling="no" style="border: none"'
. ' width="10px" height="10px" frameborder="0">'
. '</iframe>' . '</td>' . '<td>'
. $providerName . '</td>' . '</tr>';
}
# HTTP-SOAP
elsif ( $method == Lasso::Constants::HTTP_METHOD_SOAP ) {
# Build a relay request, to be used after SLO process is done
if ($relay) {
$self->lmLog( "Build SOAP relay logout request for $providerID",
'debug' );
# Create a new relay session
my $relayInfos = $self->getSamlSession();
my $infos;
$infos->{type} = 'relay';
$infos->{_utime} = time;
$infos->{_lassoSessionDump} =
$self->{sessionInfo}->{_lassoSessionDump};
$infos->{_lassoIdentityDump} =
$self->{sessionInfo}->{_lassoIdentityDump};
$infos->{_providerID} = $providerID;
$infos->{_relayState} = $logout->msg_relayState;
$relayInfos->update($infos);
my $relayID = $relayInfos->id;
# Build the URL that could be used to play this logout request
my $slo_url =
$portal . '/saml/relaySingleLogoutSOAP?relay=' . $relayID;
# Display information to the user
$info .= '<tr>'
. '<td><img src="'
. $slo_url
. '" width="10px" height="10px" />' . '</td>' . '<td>'
. $providerName . '</td>' . '</tr>';
}
# Send the request directly
else {
$self->lmLog( "Send SOAP logout request to $providerID", 'debug' );
my $slo_url = $logout->msg_url;
my $slo_body = $logout->msg_body;
# Send SOAP request and manage response
my $sp_response = $self->sendSOAPMessage( $slo_url, $slo_body );
unless ($sp_response) {
$self->lmLog( "No logout response to SOAP request", 'error' );
return ( 0, $method, undef );
}
# Process logout response
my $sp_result =
$self->processLogoutResponseMsg( $logout, $sp_response );
unless ($sp_result) {
$self->lmLog( "Fail to process logout response", 'error' );
return ( 0, $method, undef );
}
# Store success status for this SLO request
my $sloStatusSessionInfos = $self->getSamlSession($relayState);
if ($sloStatusSessionInfos) {
$sloStatusSessionInfos->update( { $confKey => 1 } );
$self->lmLog(
"Store SLO status for $confKey in session $relayState",
'debug' );
}
else {
$self->lmLog(
"Unable to store SLO status for $confKey in session $relayState",
'warn'
);
}
$self->lmLog( "Logout response is valid", 'debug' );
}
}
return ( 1, $method, $info );
}
## @pmethod int sendLogoutRequestToProviders(Lasso::Logout logout, string relayState )
# Send logout response issue from a logout request to all other
# providers. If information have to be displayed to users, such as
# iframe to send HTTP-Redirect or HTTP-POST logout request, then
# $self->{_info} will be updated.
# @param logout Lasso Logout object
# @param relayState Relay State for SLO status
# @return int Number of concerned providers.
sub sendLogoutRequestToProviders {
my ( $self, $logout, $relayState ) = @_;
my $server = $self->{_lassoServer};
my $providersCount = 0;
my $info = '';
# Reset providerID into Lasso::Logout object
$self->resetProviderIdIndex($logout);
# Header of the block which will be displayed to the user, if needed.
$info .= '<h3>'
. $self->msg(Lemonldap::NG::Portal::Simple::PM_SAML_SPLOGOUT) . '</h3>'
. '<table class="sloState">';
# Foreach SP found in session, get it from configuration, and send the
# appropriate logout request (HTTP,POST,SOAP).
while ( my $providerID = $self->getNextProviderId($logout) ) {
# Send logout request
my ( $rstatus, $rmethod, $rinfo ) =
$self->sendLogoutRequestToProvider( $logout, $providerID, undef, 1,
$relayState );
next unless ($rstatus);
# Count providers that have to be request by HTTP redirect
$providersCount++;
# Add information if necessary
if ($rinfo) {
$info .= $rinfo;
}
}
# End of information block to be displayed to the user.
$info .= '</table>';
# Print some information to the user.
$self->info($info) if $providersCount;
return $providersCount;
}
## @method boolean checkSignatureStatus(Lasso::Profile profile)
# Check signature status
# @param profile Lasso::Profile object
# @return result
sub checkSignatureStatus {
my ( $self, $profile ) = @_;
eval { Lasso::Profile::get_signature_status($profile); };
return $self->checkLassoError($@);
}
## @method int authnContext2authnLevel(string authnContext)
# Return authentication level corresponding to authnContext
# @param authnContext SAML authentication context
# return authentication level
sub authnContext2authnLevel {
my ( $self, $authnContext ) = @_;
return $self->{samlAuthnContextMapPassword}
if ( $authnContext eq $self->getAuthnContext("password") );
return $self->{samlAuthnContextMapPasswordProtectedTransport}
if ( $authnContext eq
$self->getAuthnContext("password-protected-transport") );
return $self->{samlAuthnContextMapKerberos}
if ( $authnContext eq $self->getAuthnContext("kerberos") );
return $self->{samlAuthnContextMapTLSClient}
if ( $authnContext eq $self->getAuthnContext("tls-client") );
return 0;
}
## @method int authnLevel2authnContext(int authnLevel)
# Return SAML authentication context corresponding to authnLevel
# @param authnLevel internal authentication level
# return SAML authentication context
sub authnLevel2authnContext {
my ( $self, $authnLevel ) = @_;
return $self->getAuthnContext("password")
if ( $authnLevel == $self->{samlAuthnContextMapPassword} );
return $self->getAuthnContext("password-protected-transport")
if (
$authnLevel == $self->{samlAuthnContextMapPasswordProtectedTransport} );
return $self->getAuthnContext("kerberos")
if ( $authnLevel == $self->{samlAuthnContextMapKerberos} );
return $self->getAuthnContext("tls-client")
if ( $authnLevel == $self->{samlAuthnContextMapTLSClient} );
return $self->getAuthnContext("unspecified");
}
## @method boolean checkDestination(Lasso::Node message, string url)
# If SAML Destination attribute is present, check it
# @param message SAML request or response
# @param url Requested URL
# @return Result
sub checkDestination {
my ( $self, $message, $url ) = @_;
my $destination;
# Read Destination
eval { $destination = $message->Destination(); };
# Ok if no Destination
if ( $@ or !$destination ) {
$self->lmLog( "No Destination in SAML message", 'debug' );
return 1;
}
$self->lmLog( "Destination $destination found in SAML message", 'debug' );
# Retrieve full URL
my $portal = $self->{portal};
$portal =~ s#^(https?://[^/]+)/.*#$1#; # remove path of portal URL
$url = $portal . $url;
# Compare Destination and URL
if ( $destination eq $url ) {
$self->lmLog( "Destination match URL $url", 'debug' );
return 1;
}
$self->lmLog( "Destination does not match URL $url", 'error' );
return 0;
}
## @method hashref getSamlSession(string id)
# Try to recover the SAML session corresponding to id and return session
# If id is set to undef, return a new session
# @param id session reference
# @return Lemonldap::NG::Common::Session object
sub getSamlSession {
my ( $self, $id ) = @_;
my $samlSession = Lemonldap::NG::Common::Session->new(
{
storageModule => $self->{samlStorage},
storageModuleOptions => $self->{samlStorageOptions},
cacheModule => $self->{localSessionStorage},
cacheModuleOptions => $self->{localSessionStorageOptions},
id => $id,
kind => "SAML",
}
);
if ( $samlSession->error ) {
if ($id) {
$self->_sub( 'userInfo', "SAML session $id isn't yet available" );
}
else {
$self->lmLog( "Unable to create new SAML session", 'error' );
$self->lmLog( $samlSession->error, 'error' );
}
return undef;
}
return $samlSession;
}
## @method Lasso::Saml2Attribute createAttribute(string name, string format, string friendly_name)
# Create a new SAML attribute
# @param name Attribute name
# @param format optional Attribute format
# @param friendly_name optional Attribute friendly name
# @return SAML attribute
sub createAttribute {
my ( $self, $name, $format, $friendly_name ) = @_;
my $attribute;
# Name is required
return unless defined $name;
# SAML2 attribute
eval { $attribute = Lasso::Saml2Attribute->new(); };
if ($@) {
$self->checkLassoError($@);
return;
}
# Default values
$friendly_name ||= $name;
$format ||= Lasso::Constants::SAML2_ATTRIBUTE_NAME_FORMAT_BASIC;
# Set attribute properties
$attribute->Name($name);
$attribute->NameFormat($format);
$attribute->FriendlyName($friendly_name);
return $attribute;
}
## @method Lasso::Saml2AttributeValue createAttributeValue(string value, boolean force_utf8)
# Create a new SAML attribute value
# @param value Value to store
# @param force_utf8 set to 1 to decode UTF8 value
# @return SAML attribute value
sub createAttributeValue {
my ( $self, $value, $force_utf8 ) = @_;
my $saml2value;
$force_utf8 = 1 unless defined($force_utf8);
# Value is required
return unless defined $value;
# Decode UTF-8
$self->lmLog( "Decode UTF8 value $value", 'debug' ) if $force_utf8;
$value = decode( "utf8", $value ) if $force_utf8;
$self->lmLog( "Create attribute value $value", 'debug' );
# SAML2 attribute value
eval { $saml2value = Lasso::Saml2AttributeValue->new(); };
if ($@) {
$self->checkLassoError($@);
return;
}
my @any;
# Text node
my $textNode;
eval { $textNode = Lasso::MiscTextNode->new(); };
if ($@) {
$self->checkLassoError($@);
return;
}
$textNode->text_child(1);
$textNode->content($value);
push @any, $textNode;
$saml2value->any(@any);
return $saml2value;
}
## @method int getEncryptionMode(string encryption_mode)
# Return Lasso encryption mode
# @param encryption_mode Encryption mode string
# @return Lasso encryption mode
sub getEncryptionMode {
my ( $self, $encryption_mode ) = @_;
return Lasso::Constants::ENCRYPTION_MODE_NAMEID
if ( $encryption_mode =~ /^nameid$/i );
return Lasso::Constants::ENCRYPTION_MODE_ASSERTION
if ( $encryption_mode =~ /^assertion$/i );
return Lasso::Constants::ENCRYPTION_MODE_NONE;
}
## @method boolean setProviderEncryptionMode(Lasso::Provider provider, int encryption_mode)
# Set encryption mode on a provider
# @param provider Lasso::Provider object
# @param encryption_mode Lasso encryption mode
# @return result
sub setProviderEncryptionMode {
my ( $self, $provider, $encryption_mode ) = @_;
eval {
Lasso::Provider::set_encryption_mode( $provider, $encryption_mode );
};
return $self->checkLassoError($@);
}
## @method boolean deleteSAMLSecondarySessions(string session_id)
# Find and delete SAML sessions bounded to a primary session
# @param session_id Primary session ID
# @return result
sub deleteSAMLSecondarySessions {
my ( $self, $session_id ) = @_;
my $result = 1;
# Find SAML sessions
my $moduleOptions = $self->{samlStorageOptions} || {};
$moduleOptions->{backend} = $self->{samlStorage};
my $module = "Lemonldap::NG::Common::Apache::Session";
my $saml_sessions =
$module->searchOn( $moduleOptions, "_saml_id", $session_id );
if ( my @saml_sessions_keys = keys %$saml_sessions ) {
foreach my $saml_session (@saml_sessions_keys) {
# Get session
$self->lmLog( "Retrieve SAML session $saml_session", 'debug' );
my $samlSessionInfo = $self->getSamlSession($saml_session);
# Delete session
if ( $samlSessionInfo->remove ) {
$self->lmLog( "SAML session $saml_session deleted", 'debug' );
}
else {
$self->lmLog( "Unable to delete SAML session $saml_session",
'error' );
$self->lmLog( $samlSessionInfo->error, "error" );
$result = 0;
}
}
}
else {
$self->lmLog( "No SAML session found for session $session_id ",
'debug' );
}
return $result;
}
## @method void sendSLOErrorResponse(Lasso::Logout logout, string method)
# Send an SLO error response
# @param logout Lasso::Logout object
# @param method HTTP method
# @return nothing
sub sendSLOErrorResponse {
my ( $self, $logout, $method ) = @_;
# Load empty session
my $session =
'<Session xmlns="http://www.entrouvert.org/namespaces/lasso/0.0"/>';
unless ( $self->setSessionFromDump( $logout, $session ) ) {
$self->lmLog( "Could not set empty session in logout object", 'error' );
$self->quit();
}
# Send unvalidated SLO response
return $self->sendLogoutResponseToServiceProvider( $logout, $method );
}
## @method string getQueryString()
# Return query string with or without CGI query_string() method
# @return query string
sub getQueryString {
my ($self) = @_;
my $query_string;
if ( $self->{samlUseQueryStringSpecific} ) {
my @pairs = split( /&/, $ENV{'QUERY_STRING'} );
$query_string = join( ';', @pairs );
}
else {
$query_string = $self->query_string();
}
return $query_string;
}
1;
__END__
=head1 NAME
=encoding utf8
Lemonldap::NG::Portal::_SAML - Common SAML functions
=head1 SYNOPSIS
use Lemonldap::NG::Portal::_SAML;
=head1 DESCRIPTION
This module contains common methods for SAML authentication
and user information loading
=head1 METHODS
=head2 loadLasso
Load Lasso module
=head2 loadService
Load SAML service by creating a Lasso::Server
=head2 loadIDPs
Load SAML identity providers
=head2 loadSPs
Load SAML service providers
=head2 checkMessage
Check SAML requests and responses
=head2 checkLassoError
Log Lasso error code and message if this is actually a Lasso::Error with code > 0
=head2 createServer
Load service metadata and create Lasso::Server object
=head2 addIDP
Add IDP to an existing Lasso::Server
=head2 addSP
Add SP to an existing Lasso::Server
=head2 addAA
Add Attribute Authority to an existing Lasso::Server
=head2 addProvider
Add provider to an existing Lasso::Server
=head2 getOrganizationName
Return name of organization picked up from metadata
=head2 createAuthnRequest
Create authentication request for selected IDP
=head2 createLogin
Create Lasso::Login object
=head2 initAuthnRequest
Init authentication request
=head2 initIdpInitiatedAuthnRequest
Init authentication request for IDP initiated
=head2 buildAuthnRequestMsg
Build authentication request message
=head2 processAuthnRequestMsg
Process authentication request message
=head2 validateRequestMsg
Validate request message
=head2 buildAuthnResponseMsg
Build authentication response message
=head2 buildArtifactMsg
Build artifact message
=head2 buildAssertion
Build assertion
=head2 processAuthnResponseMsg
Process authentication response message
=head2 getNameIdentifier
Get NameID from Lasso Profile
=head2 createIdentity
Create Lasso::Identity object
=head2 createSession
Create Lasso::Session object
=head2 acceptSSO
Accept SSO from IDP
=head2 storeRelayState
Store information in relayState database and return
=head2 extractRelayState
Extract RelayState information into $self
=head2 getAssertion
Get assertion in Lasso::Login object
=head2 getAttributeValue
Get SAML attribute value corresponding to name, format and friendly_name
Multivaluated values are separated by ';'
=head2 validateConditions
Validate conditions
=head2 createLogoutRequest
Create logout request for selected entity
=head2 createLogout
Create Lasso::Logout object
=head2 initLogoutRequest
Init logout request
=head2 buildLogoutRequestMsg
Build logout request message
=head2 setSessionFromDump
Set session from dump in Lasso::Profile object
=head2 setIdentityFromDump
Set identity from dump in Lasso::Profile object
=head2 getMetaDataURL
Get URL stored in a service metadata configuration key
=head2 processLogoutResponseMsg
Process logout response message
=head2 processLogoutRequestMsg
Process logout request message
=head2 validateLogoutRequest
Validate logout request
=head2 buildLogoutResponseMsg
Build logout response msg
=head2 storeReplayProtection
Store ID of an SAML message in Replay Protection base
=head2 replayProtection
Check if SAML message do not correspond to a previously responded message
=head2 resolveArtifact
Resolve artifact to get the real SAML message
=head2 storeArtifact
Store artifact
=head2 loadArtifact
Load artifact
=head2 createArtifactResponse
Create artifact response
=head2 processArtRequestMsg
Process artifact response message
=head2 processArtResponseMsg
Process artifact response message
=head2 sendSOAPMessage
Send SOAP message and get response
=head2 createAssertionQuery
Create a new assertion query
=head2 createAttributeRequest
Create an attribute request
=head2 validateAttributeRequest
Validate an attribute request
=head2 processAttributeRequest
Process an attribute request
=head2 buildAttributeResponse
Build attribute response
=head2 processAttributeResponse
Process an attribute response
=head2 getNameIDFormat
Convert configuration string into SAML2 NameIDFormat string
=head2 getHttpMethod
Convert configuration string into Lasso HTTP Method integer
=head2 getHttpMethodString
Convert configuration Lasso HTTP Method integer into string
=head2 getFirstHttpMethod
Find a suitable HTTP method for an entity with a given protocol
=head2 disableSignature
Modify Lasso signature hint to disable signature
=head2 forceSignature
Modify Lasso signature hint to force signature
=head2 disableSignatureVerification
Modify Lasso signature hint to disable signature verification
=head2 forceSignatureVerification
Modify Lasso signature hint to force signature verification
=head2 getAuthnContext
Convert configuration string into SAML2 AuthnContextClassRef string
=head2 timestamp2samldate
Convert timestamp into SAML2 date format
=head2 samldate2timestamp
Convert SAML2 date format into timestamp
=head2 sendLogoutResponseToServiceProvider
Send logout response issue from a logout request
=head2 sendLogoutRequestToProvider
Send logout request to a provider
=head2 sendLogoutRequestToProviders
Send logout response issue from a logout request to all other
providers. If information have to be displayed to users, such as
iframe to send HTTP-Redirect or HTTP-POST logout request, then
$self->{_info} will be updated.
=head2 checkSignatureStatus
Check signature status
=head2 authnContext2authnLevel
Return authentication level corresponding to authnContext
=head2 authnLevel2authnContext
Return SAML authentication context corresponding to authnLevel
=head2 checkDestination
If SAML Destination attribute is present, check it
=head2 getSamlSession
Try to recover the SAML session corresponding to id and return session datas
=head2 createAttribute
Create a new SAML attribute
=head2 createAttributeValue
Create a new SAML attribute value
=head2 getEncryptionMode
Return Lasso encryption mode
=head2 setProviderEncryptionMode
Set encryption mode on a provider
=head2 deleteSAMLSecondarySessions
Find and delete SAML sessions bounded to a primary session
=head2 sendSLOErrorResponse
Send an SLO error response
=head2 getQueryString
Get query string with or without CGI query_string() method
=head1 SEE ALSO
L<Lemonldap::NG::Portal::AuthSAML>, L<Lemonldap::NG::Portal::UserDBSAML>
=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>
=item Sandro Cazzaniga, E<lt>cazzaniga.sandro@gmail.comE<gt>
=item Thomas Chemineau, E<lt>thomas.chemineau@gmail.comE<gt>
=back
=head1 BUG REPORT
Use OW2 system to report bug or ask for features:
L<https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues>
=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) 2009-2012 by Xavier Guimard, E<lt>x.guimard@free.frE<gt>
=item Copyright (C) 2012 by Sandro Cazzaniga, E<lt>cazzaniga.sandro@gmail.comE<gt>
=item Copyright (C) 2012 by François-Xavier Deltombe, E<lt>fxdeltombe@gmail.com.E<gt>
=item Copyright (C) 2010-2016 by Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
=item Copyright (C) 2010-2011 by Thomas Chemineau, E<lt>thomas.chemineau@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
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