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<?php
/**
* Helper class for working with persistent NameIDs stored in SQL datastore.
*
* @package SimpleSAMLphp
*/
class sspmod_saml_IdP_SQLNameID {
/**
* Create NameID table in SQL, if it is missing.
*
* @param SimpleSAML_Store_SQL $store The datastore.
*/
private static function createTable(SimpleSAML_Store_SQL $store) {
if ($store->getTableVersion('saml_PersistentNameID') === 1) {
return;
}
$query = 'CREATE TABLE ' . $store->prefix . '_saml_PersistentNameID (
_idp VARCHAR(256) NOT NULL,
_sp VARCHAR(256) NOT NULL,
_user VARCHAR(256) NOT NULL,
_value VARCHAR(40) NOT NULL,
UNIQUE (_idp, _sp, _user)
)';
$store->pdo->exec($query);
$query = 'CREATE INDEX ' . $store->prefix . '_saml_PersistentNameID_idp_sp ON ' . $store->prefix . '_saml_PersistentNameID (_idp, _sp)';
$store->pdo->exec($query);
$store->setTableVersion('saml_PersistentNameID', 1);
}
/**
* Retrieve the SQL datastore.
*
* Will also ensure that the NameID table is present.
*
* @return SimpleSAML_Store_SQL SQL datastore.
*/
private static function getStore() {
$store = SimpleSAML_Store::getInstance();
if (!($store instanceof SimpleSAML_Store_SQL)) {
throw new SimpleSAML_Error_Exception('SQL NameID store requires SimpleSAMLphp to be configured with a SQL datastore.');
}
self::createTable($store);
return $store;
}
/**
* Add a NameID into the database.
*
* @param SimpleSAML_Store_SQL $store The data store.
* @param string $idpEntityId The IdP entityID.
* @param string $spEntityId The SP entityID.
* @param string $user The user's unique identificator (e.g. username).
* @param string $value The NameID value.
*/
public static function add($idpEntityId, $spEntityId, $user, $value) {
assert('is_string($idpEntityId)');
assert('is_string($spEntityId)');
assert('is_string($user)');
assert('is_string($value)');
$store = self::getStore();
$params = array(
'_idp' => $idpEntityId,
'_sp' => $spEntityId,
'_user' => $user,
'_value' => $value,
);
$query = 'INSERT INTO ' . $store->prefix . '_saml_PersistentNameID (_idp, _sp, _user, _value) VALUES(:_idp, :_sp, :_user, :_value)';
$query = $store->pdo->prepare($query);
$query->execute($params);
}
/**
* Retrieve a NameID into from database.
*
* @param string $idpEntityId The IdP entityID.
* @param string $spEntityId The SP entityID.
* @param string $user The user's unique identificator (e.g. username).
* @return string|NULL $value The NameID value, or NULL of no NameID value was found.
*/
public static function get($idpEntityId, $spEntityId, $user) {
assert('is_string($idpEntityId)');
assert('is_string($spEntityId)');
assert('is_string($user)');
$store = self::getStore();
$params = array(
'_idp' => $idpEntityId,
'_sp' => $spEntityId,
'_user' => $user,
);
$query = 'SELECT _value FROM ' . $store->prefix . '_saml_PersistentNameID WHERE _idp = :_idp AND _sp = :_sp AND _user = :_user';
$query = $store->pdo->prepare($query);
$query->execute($params);
$row = $query->fetch(PDO::FETCH_ASSOC);
if ($row === FALSE) {
// No NameID found
return NULL;
}
return $row['_value'];
}
/**
* Delete a NameID from the database.
*
* @param string $idpEntityId The IdP entityID.
* @param string $spEntityId The SP entityID.
* @param string $user The user's unique identificator (e.g. username).
*/
public static function delete($idpEntityId, $spEntityId, $user) {
assert('is_string($idpEntityId)');
assert('is_string($spEntityId)');
assert('is_string($user)');
$store = self::getStore();
$params = array(
'_idp' => $idpEntityId,
'_sp' => $spEntityId,
'_user' => $user,
);
$query = 'DELETE FROM ' . $store->prefix . '_saml_PersistentNameID WHERE _idp = :_idp AND _sp = :_sp AND _user = :_user';
$query = $store->pdo->prepare($query);
$query->execute($params);
}
/**
* Retrieve all federated identities for an IdP-SP pair.
*
* @param string $idpEntityId The IdP entityID.
* @param string $spEntityId The SP entityID.
* @return array Array of userid => NameID.
*/
public static function getIdentities($idpEntityId, $spEntityId) {
assert('is_string($idpEntityId)');
assert('is_string($spEntityId)');
$query = 'SELECT _user, _value FROM ' . $store->prefix . '_saml_PersistentNameID WHERE _idp = :_idp AND _sp = :_sp';
$query = $store->pdo->prepare($query);
$query->execute($params);
$res = array();
while ( ($row = $query->fetch(PDO::FETCH_ASSOC)) !== FALSE) {
$res[$row['_user']] = $row['_value'];
}
return $res;
}
}
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