Viewing file:  AuthnRequest.php (4.11 KB) -rwxrwxr-x
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<?php
/**
* SAML 2 Authentication Request
*
*/
class OneLogin_Saml2_AuthnRequest
{
/**
* Object that represents the setting info
* @var OneLogin_Saml2_Settings
*/
protected $_settings;
/**
* SAML AuthNRequest string
* @var string
*/
private $_authnRequest;
/**
* SAML AuthNRequest ID.
* @var string
*/
private $_id;
/**
* Constructs the AuthnRequest object.
*
* @param OneLogin_Saml2_Settings $settings Settings
*/
public function __construct(OneLogin_Saml2_Settings $settings, $forceAuthn = false, $isPassive = false)
{
$this->_settings = $settings;
$spData = $this->_settings->getSPData();
$idpData = $this->_settings->getIdPData();
$security = $this->_settings->getSecurityData();
$id = OneLogin_Saml2_Utils::generateUniqueID();
$issueInstant = OneLogin_Saml2_Utils::parseTime2SAML(time());
$nameIDPolicyFormat = $spData['NameIDFormat'];
if (isset($security['wantNameIdEncrypted']) && $security['wantNameIdEncrypted']) {
$nameIDPolicyFormat = OneLogin_Saml2_Constants::NAMEID_ENCRYPTED;
}
$providerNameStr = '';
$organizationData = $settings->getOrganization();
if (!empty($organizationData)) {
$langs = array_keys($organizationData);
if (in_array('en-US', $langs)) {
$lang = 'en-US';
} else {
$lang = $langs[0];
}
if (isset($organizationData[$lang]['displayname']) && !empty($organizationData[$lang]['displayname'])) {
$providerNameStr = <<<PROVIDERNAME
ProviderName="{$organizationData[$lang]['displayname']}"
PROVIDERNAME;
}
}
$forceAuthnStr = '';
if ($forceAuthn) {
$forceAuthnStr = <<<FORCEAUTHN
ForceAuthn="true"
FORCEAUTHN;
}
$isPassiveStr = '';
if ($isPassive) {
$isPassiveStr = <<<ISPASSIVE
IsPassive="true"
ISPASSIVE;
}
$requestedAuthnStr = '';
if (isset($security['requestedAuthnContext']) && $security['requestedAuthnContext'] !== false) {
if ($security['requestedAuthnContext'] === true) {
$requestedAuthnStr = <<<REQUESTEDAUTHN
<samlp:RequestedAuthnContext Comparison="exact">
<saml:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextClassRef>
</samlp:RequestedAuthnContext>
REQUESTEDAUTHN;
} else {
$requestedAuthnStr .= " <samlp:RequestedAuthnContext Comparison=\"exact\">\n";
foreach ($security['requestedAuthnContext'] as $contextValue) {
$requestedAuthnStr .= " <saml:AuthnContextClassRef>".$contextValue."</saml:AuthnContextClassRef>\n";
}
$requestedAuthnStr .= ' </samlp:RequestedAuthnContext>';
}
}
$request = <<<AUTHNREQUEST
<samlp:AuthnRequest
xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
ID="$id"
Version="2.0"
{$providerNameStr}{$forceAuthnStr}{$isPassiveStr}
IssueInstant="$issueInstant"
Destination="{$idpData['singleSignOnService']['url']}"
ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
AssertionConsumerServiceURL="{$spData['assertionConsumerService']['url']}">
<saml:Issuer>{$spData['entityId']}</saml:Issuer>
<samlp:NameIDPolicy
Format="{$nameIDPolicyFormat}"
AllowCreate="true" />
{$requestedAuthnStr}
</samlp:AuthnRequest>
AUTHNREQUEST;
$this->_id = $id;
$this->_authnRequest = $request;
}
/**
* Returns deflated, base64 encoded, unsigned AuthnRequest.
*
*/
public function getRequest()
{
$deflatedRequest = gzdeflate($this->_authnRequest);
$base64Request = base64_encode($deflatedRequest);
return $base64Request;
}
/**
* Returns the AuthNRequest ID.
*
* @return string
*/
public function getId()
{
return $this->_id;
}
}
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