/**
* Get the NameID value.
*
* @return string|NULL The NameID value.
*/
protected function getValue(array &$state)
{
if (!isset($state['saml:NameIDFormat']) || $state['saml:NameIDFormat'] !== $this->format) {
SimpleSAML_Logger::debug('SQLPersistentNameID: Request did not specify persistent NameID format - not generating persistent NameID.');
return NULL;
}
if (!isset($state['Destination']['entityid'])) {
SimpleSAML_Logger::warning('SQLPersistentNameID: No SP entity ID - not generating persistent NameID.');
return NULL;
}
$spEntityId = $state['Destination']['entityid'];
if (!isset($state['Source']['entityid'])) {
SimpleSAML_Logger::warning('SQLPersistentNameID: No IdP entity ID - not generating persistent NameID.');
return NULL;
}
$idpEntityId = $state['Source']['entityid'];
if (!isset($state['Attributes'][$this->attribute]) || count($state['Attributes'][$this->attribute]) === 0) {
SimpleSAML_Logger::warning('SQLPersistentNameID: Missing attribute ' . var_export($this->attribute, TRUE) . ' on user - not generating persistent NameID.');
return NULL;
}
if (count($state['Attributes'][$this->attribute]) > 1) {
SimpleSAML_Logger::warning('SQLPersistentNameID: More than one value in attribute ' . var_export($this->attribute, TRUE) . ' on user - not generating persistent NameID.');
return NULL;
}
$uid = array_values($state['Attributes'][$this->attribute]);
/* Just in case the first index is no longer 0. */
$uid = $uid[0];
$value = sspmod_saml_IdP_SQLNameID::get($idpEntityId, $spEntityId, $uid);
if ($value !== NULL) {
SimpleSAML_Logger::debug('SQLPersistentNameID: Found persistent NameID ' . var_export($value, TRUE) . ' for user ' . var_export($uid, TRUE) . '.');
return $value;
}
if (!isset($state['saml:AllowCreate']) || !$state['saml:AllowCreate']) {
SimpleSAML_Logger::warning('SQLPersistentNameID: Did not find persistent NameID for user, and not allowed to create new NameID.');
throw new sspmod_saml_Error(SAML2_Const::STATUS_RESPONDER, 'urn:oasis:names:tc:SAML:2.0:status:InvalidNameIDPolicy');
}
$value = SimpleSAML_Utilities::stringToHex(SimpleSAML_Utilities::generateRandomBytes(20));
SimpleSAML_Logger::debug('SQLPersistentNameID: Created persistent NameID ' . var_export($value, TRUE) . ' for user ' . var_export($uid, TRUE) . '.');
sspmod_saml_IdP_SQLNameID::add($idpEntityId, $spEntityId, $uid, $value);
return $value;
}
/**
* Get the NameID value.
*
* @param array $state The state array.
* @return string|null The NameID value.
*
* @throws sspmod_saml_Error if the NameID creation policy is invalid.
*/
protected function getValue(array &$state)
{
if (!isset($state['saml:NameIDFormat']) && !$this->allowUnspecified) {
SimpleSAML\Logger::debug('SQLPersistentNameID: Request did not specify persistent NameID format, ' . 'not generating persistent NameID.');
return null;
}
$validNameIdFormats = @array_filter(array($state['saml:NameIDFormat'], $state['SPMetadata']['NameIDPolicy'], $state['SPMetadata']['NameIDFormat']));
if (count($validNameIdFormats) && !in_array($this->format, $validNameIdFormats) && !$this->allowDifferent) {
SimpleSAML\Logger::debug('SQLPersistentNameID: SP expects different NameID format (' . implode(', ', $validNameIdFormats) . '), not generating persistent NameID.');
return null;
}
if (!isset($state['Destination']['entityid'])) {
SimpleSAML\Logger::warning('SQLPersistentNameID: No SP entity ID - not generating persistent NameID.');
return null;
}
$spEntityId = $state['Destination']['entityid'];
if (!isset($state['Source']['entityid'])) {
SimpleSAML\Logger::warning('SQLPersistentNameID: No IdP entity ID - not generating persistent NameID.');
return null;
}
$idpEntityId = $state['Source']['entityid'];
if (!isset($state['Attributes'][$this->attribute]) || count($state['Attributes'][$this->attribute]) === 0) {
SimpleSAML\Logger::warning('SQLPersistentNameID: Missing attribute ' . var_export($this->attribute, true) . ' on user - not generating persistent NameID.');
return null;
}
if (count($state['Attributes'][$this->attribute]) > 1) {
SimpleSAML\Logger::warning('SQLPersistentNameID: More than one value in attribute ' . var_export($this->attribute, true) . ' on user - not generating persistent NameID.');
return null;
}
$uid = array_values($state['Attributes'][$this->attribute]);
// just in case the first index is no longer 0
$uid = $uid[0];
$value = sspmod_saml_IdP_SQLNameID::get($idpEntityId, $spEntityId, $uid);
if ($value !== null) {
SimpleSAML\Logger::debug('SQLPersistentNameID: Found persistent NameID ' . var_export($value, true) . ' for user ' . var_export($uid, true) . '.');
return $value;
}
if ((!isset($state['saml:AllowCreate']) || !$state['saml:AllowCreate']) && !$this->alwaysCreate) {
SimpleSAML\Logger::warning('SQLPersistentNameID: Did not find persistent NameID for user, and not allowed to create new NameID.');
throw new sspmod_saml_Error(SAML2_Const::STATUS_RESPONDER, 'urn:oasis:names:tc:SAML:2.0:status:InvalidNameIDPolicy');
}
$value = bin2hex(openssl_random_pseudo_bytes(20));
SimpleSAML\Logger::debug('SQLPersistentNameID: Created persistent NameID ' . var_export($value, true) . ' for user ' . var_export($uid, true) . '.');
sspmod_saml_IdP_SQLNameID::add($idpEntityId, $spEntityId, $uid, $value);
return $value;
}
