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<?php
/**
* LDAP authentication source.
*
* See the ldap-entry in config-templates/authsources.php for information about
* configuration of this authentication source.
*
* This class is based on www/auth/login.php.
*
* @package SimpleSAMLphp
*/
class sspmod_ldap_Auth_Source_LDAPMulti extends sspmod_core_Auth_UserPassOrgBase {
/**
* An array with descriptions for organizations.
*/
private $orgs;
/**
* An array of organization IDs to LDAP configuration objects.
*/
private $ldapOrgs;
/**
* Whether we should include the organization as part of the username.
*/
private $includeOrgInUsername;
/**
* Constructor for this authentication source.
*
* @param array $info Information about this authentication source.
* @param array $config Configuration.
*/
public function __construct($info, $config) {
assert('is_array($info)');
assert('is_array($config)');
// Call the parent constructor first, as required by the interface
parent::__construct($info, $config);
$cfgHelper = SimpleSAML_Configuration::loadFromArray($config,
'Authentication source ' . var_export($this->authId, TRUE));
$this->orgs = array();
$this->ldapOrgs = array();
foreach ($config as $name => $value) {
if ($name === 'username_organization_method') {
$usernameOrgMethod = $cfgHelper->getValueValidate(
'username_organization_method',
array('none', 'allow', 'force'));
$this->setUsernameOrgMethod($usernameOrgMethod);
continue;
}
if ($name === 'include_organization_in_username') {
$this->includeOrgInUsername = $cfgHelper->getBoolean(
'include_organization_in_username', FALSE);
continue;
}
$orgCfg = $cfgHelper->getArray($name);
$orgId = $name;
if (array_key_exists('description', $orgCfg)) {
$this->orgs[$orgId] = $orgCfg['description'];
} else {
$this->orgs[$orgId] = $orgId;
}
$orgCfg = new sspmod_ldap_ConfigHelper($orgCfg,
'Authentication source ' . var_export($this->authId, TRUE) .
', organization ' . var_export($orgId, TRUE));
$this->ldapOrgs[$orgId] = $orgCfg;
}
}
/**
* Attempt to log in using the given username and password.
*
* @param string $username The username the user wrote.
* @param string $password The password the user wrote.
* @param string $org The organization the user chose.
* @return array Associative array with the users attributes.
*/
protected function login($username, $password, $org, array $sasl_args = NULL) {
assert('is_string($username)');
assert('is_string($password)');
assert('is_string($org)');
if (!array_key_exists($org, $this->ldapOrgs)) {
// The user has selected an organization which doesn't exist anymore.
SimpleSAML\Logger::warning('Authentication source ' . var_export($this->authId, TRUE) .
': Organization seems to have disappeared while the user logged in.' .
' Organization was ' . var_export($org, TRUE));
throw new SimpleSAML_Error_Error('WRONGUSERPASS');
}
if ($this->includeOrgInUsername) {
$username = $username . '@' . $org;
}
return $this->ldapOrgs[$org]->login($username, $password, $sasl_args);
}
/**
* Retrieve list of organizations.
*
* @return array Associative array with the organizations.
*/
protected function getOrganizations() {
return $this->orgs;
}
}
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