/**
* Method is called before user data is stored in the database.
*
* Changes the password in LDAP if the user changed their password.
*
* @param array $user Holds the old user data.
* @param boolean $isNew True if a new user is stored.
* @param array $new Holds the new user data.
*
* @return boolean Cancels the save if False.
*
* @since 2.0
*/
public function onUserBeforeSave($user, $isNew, $new)
{
if ($isNew) {
// We dont want to deal with new users here
return;
}
// Get username and password to use for authenticating with Ldap
$username = JArrayHelper::getValue($user, 'username', false, 'string');
$password = JArrayHelper::getValue($new, 'password_clear', null, 'string');
if (!empty($password)) {
$auth = array('authenticate' => SHLdap::AUTH_USER, 'username' => $username, 'password' => $password);
try {
// We will double check the password for double safety (breaks password reset if on)
$authenticate = $this->params->get('authenticate', 0);
// Get the user adapter then set the password on it
$adapter = SHFactory::getUserAdapter($auth);
$adapter->setPassword($password, JArrayHelper::getValue($new, 'current-password', null, 'string'), $authenticate);
SHLog::add(JText::sprintf('PLG_LDAP_PASSWORD_INFO_12411', $username), 12411, JLog::INFO, 'ldap');
} catch (Exception $e) {
// Log and Error out
SHLog::add($e, 12401, JLog::ERROR, 'ldap');
return false;
}
}
}
/**
* Deletes the user from LDAP if the deletion in the Joomla database was successful.
*
* Method is called after user data is deleted from the database.
*
* @param array $user Holds the user data.
* @param boolean $success True if user was successfully deleted from the database.
* @param string $msg An error message.
*
* @return void
*
* @since 2.0
* @deprecated
*/
public function onUserAfterDelete($user, $success, $msg)
{
if ($success) {
try {
$username = $user['username'];
SHLog::add(JText::sprintf('PLG_LDAP_DELETION_DEBUG_12905', $username), 12905, JLog::DEBUG, 'ldap');
// Pick up the user and delete it using the User Adapter
$adapter = SHFactory::getUserAdapter($username);
$adapter->delete();
SHLog::add(JText::sprintf('PLG_LDAP_DELETION_INFO_12908', $username), 12908, JLog::INFO, 'ldap');
} catch (Exception $e) {
SHLog::add($e, 12901, JLog::ERROR, 'ldap');
}
}
}
/**
* Method to test the ldap password against the current ldap password
*
* @param SimpleXMLElement &$element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param JRegistry &$input An optional JRegistry object with the entire data set to validate against the entire form.
* @param object &$form The form object for which the field is being tested.
*
* @return boolean True if the value is valid, false otherwise.
*
* @since 11.1
* @throws JException on invalid rule.
*/
public function test(&$element, $value, $group = null, &$input = null, &$form = null)
{
if ($form instanceof JForm && $form->getValue('id')) {
try {
// Gets the username from the user id
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select($db->quoteName('username'))->from($db->quoteName('#__users'))->where($db->quoteName('id') . ' = ' . $db->quote((int) $form->getValue('id')));
$db->setQuery($query)->execute();
if ($username = $db->loadResult()) {
// Put username and password together for authenticating with Ldap
$auth = array('username' => $username, 'password' => $value);
// This is a valid username so lets check it against ldap
return SHFactory::getUserAdapter($auth)->getId(true) ? true : false;
}
} catch (Exception $e) {
// We ignore the exception for now
return false;
}
}
}
/**
* Method is called after user data is stored in the database.
*
* Deletes the user if they're new and Joomla user creation failed.
*
* @param array $user Holds the new user data.
* @param boolean $isNew True if a new user has been stored.
* @param boolean $success True if user was successfully stored in the database.
* @param string $msg An error message.
*
* @return void
*
* @since 2.0
*/
public function onUserAfterSave($user, $isNew, $success, $msg)
{
if ($isNew && !$success && $this->params->get('onfail_delete', false) && $this->username)
{
try
{
// Check the session to ensure this user was created successfully last time
if (JFactory::getSession()->get('creation', null, 'ldap') == $this->username)
{
$adapter = SHFactory::getUserAdapter($this->username);
$adapter->delete();
SHLog::add(JTest::sprintf('PLG_LDAP_CREATION_INFO_12826', $this->username), 12826, JLog::INFO, 'ldap');
}
}
catch (Exception $e)
{
SHLog::add($e, 12803, JLog::ERROR, 'ldap');
}
$this->username = null;
}
}
/**
* Method is called after user data is stored in the database.
*
* @param array $user Holds the new user data.
* @param boolean $isNew True if a new user has been stored.
* @param boolean $success True if user was successfully stored in the database.
* @param string $msg An error message.
*
* @return void
*
* @since 2.0
*/
public function onUserAfterSave($user, $isNew, $success, $msg)
{
if ($this->isLdap)
{
if ($isNew && $success)
{
// Ensure Joomla knows this is a new Ldap user
$adapter = SHFactory::getUserAdapter($user['username']);
$options = array('adapter' => &$adapter);
$instance = SHUserHelper::getUser($user, $options);
// Silently resave the user without calling the onUserSave events
SHUserHelper::save($instance, false);
}
SHLdapHelper::triggerEvent('onUserAfterSave', array($user, $isNew, $success, $msg));
JFactory::getSession()->clear('created', 'ldap');
}
}
/**
* This method handles the user adapter authorisation and reports
* back to the subject. This method is also used for single sign on.
*
* There is no custom logging in the authentication.
*
* @param array $response Authentication response object from onUserAuthenticate()
* @param array $options Array of extra options
*
* @return JAuthenticationResponse Authentication response object
*
* @since 2.0
*/
public function onUserAuthorisation($response, $options = array())
{
// Create a new authentication response
$retResponse = new JAuthenticationResponse();
// Check if some other authentication system is dealing with this request
if (!empty($response->type) && strtoupper($response->type) !== self::AUTH_TYPE) {
return $retResponse;
}
// Check the Shmanic platform has been imported
if (!$this->_checkPlatform()) {
// Failed to import the platform
$response->status = JAuthentication::STATUS_FAILURE;
$response->error_message = JText::_('PLG_AUTHENTICATION_SHADAPTER_ERR_12601');
return false;
}
$response->type = self::AUTH_TYPE;
/*
* Attempt to authorise with User Adapter. This method will automatically detect
* the correct configuration (if multiple ones are specified) and return a
* SHUserAdapter object. If this method returns false, then the authorise was
* unsuccessful - basically the user was not found or configuration was
* bad.
*/
try {
// Setup user adapter injecting the domain from SSO if specified
$credentials = array('username' => $response->username);
if (isset($options['domain'])) {
$credentials['domain'] = $options['domain'];
}
$adapter = SHFactory::getUserAdapter($credentials);
// Get the authorising user dn
$id = $adapter->getId(false);
} catch (Exception $e) {
// Configuration or authorisation failure
$response->status = JAuthentication::STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_NO_USER');
return;
}
try {
// Let's get the user attributes
$attributes = $adapter->getAttributes();
if (!is_array($attributes) || !count($attributes)) {
// No attributes therefore error
throw new Exception(JText::_('PLG_AUTHENTICATION_SHADAPTER_ERR_12611'), 12611);
}
} catch (Exception $e) {
// Error getting user attributes.
$response->status = JAuthentication::STATUS_FAILURE;
$response->error_message = JText::_('PLG_AUTHENTICATION_SHADAPTER_ERR_12611');
// Process a error log
SHLog::add($e, 12622, JLog::ERROR, 'auth');
return false;
}
// Set the required Joomla specific user fields with the returned User Adapter Attributes
$response->username = $adapter->getUid();
$response->fullname = $adapter->getFullname();
$response->email = $adapter->getEmail();
// The adapter type needs to be set before returning the response
$response->type = $adapter->getType();
if (SHFactory::getConfig()->get('user.nullpassword')) {
// Do not store password in Joomla database
$response->password_clear = '';
}
/*
* Everything appears to be a success and therefore we shall log the user login
* then report back to the subject.
*/
SHLog::add(JText::sprintf('PLG_AUTHENTICATION_SHADAPTER_INFO_12612', $response->username), 12612, JLog::INFO, 'auth');
$retResponse->status = JAuthentication::STATUS_SUCCESS;
unset($adapter);
return $retResponse;
}
/**
* Stage the profile to LDAP ready for committing.
*
* @param SimpleXMLElement $xml The XML profile to process.
* @param string $username Username of profile owner to change.
* @param array $profile Array of profile fields to save (key=>value).
*
* @return boolean True on success
*
* @since 2.0
* @throws Exception
*/
protected function saveProfileToLdap($xml, $username, $profile = array())
{
// Setup the profile user in user adapter
$adapter = SHFactory::getUserAdapter($username);
$processed = array();
// Loop around each profile field
foreach ($profile as $key => $value)
{
$delimiter = null;
$xmlField = $xml->xpath("fieldset/field[@name='$key']");
if ($delimiter = (string) $xmlField[0]['delimiter'])
{
/* Multiple values - we will use a delimiter to represent
* the extra data in Joomla. We also use a newline override
* as this is probably going to be the most popular delimter.
*/
if (strToUpper($delimiter) == 'NEWLINE')
{
$delimiter = '\r\n|\r|\n';
}
// Split up the delimited profile field
$newValues = preg_split("/$delimiter/", $value);
// Resave the split profile field into a new array set
for ($i = 0; $i < count($newValues); ++$i)
{
$processed[$key][$i] = $newValues[$i];
}
}
else
{
// Single Value
$processed[$key] = $value;
}
}
if (count($processed))
{
// Lets save the new (current) fields to the LDAP DN
$adapter->setAttributes($processed);
}
return true;
}
/**
* Called during a ldap synchronisation.
*
* Checks to ensure that required variables are set before calling the main
* do mapping library routine.
*
* @param JUser &$instance A JUser object for the authenticating user.
* @param array $options Array holding options.
*
* @return boolean True on success
*
* @since 2.0
*/
public function onLdapSync(&$instance, $options = array())
{
if (!$this->doSetup()) {
return;
}
try {
// Gather the user adapter
$username = $instance->username;
$adapter = SHFactory::getUserAdapter($username);
// Get the distinguished name of the user
$dn = $adapter->getId(false);
/*
* Process the ldap attributes created from the source ldap
* user into mapping entries, then evaulate which groups
* are of interest when compared to the parameter list.
*/
$attribute = $this->lookup_type === self::LOOKUP_FORWARD ? $this->memberof_attribute : $this->member_attribute;
$attributes = $adapter->getAttributes($attribute);
$userGroups = JArrayHelper::getValue($attributes, $attribute);
if (!(is_array($userGroups) && count($userGroups))) {
// No groups to process
SHLog::add(JText::sprintf('PLG_LDAP_MAPPING_DEBUG_12008', $username), 12008, JLog::DEBUG, 'ldap');
return;
}
$ldapUser = new SHLdapMappingEntry($dn, $userGroups, $this->dn_validate);
// Do the actual compare
$mapList = SHLdapMappingEntry::compareGroups($this->entries, $ldapUser);
$changes = false;
// Check if add groups are allowed
if ($this->addition) {
/*
* Find the groups that require adding then add them to the JUser
* instance. Any errors will results in the entire method failing.
*/
$toAdd = self::getGroupsToAdd($instance, $mapList);
foreach ($toAdd as $group) {
SHLog::add(JText::sprintf('PLG_LDAP_MAPPING_DEBUG_12011', $group, $username), 12011, JLog::DEBUG, 'ldap');
SHUserHelper::addUserToGroup($instance, $group);
$changes = true;
}
}
// Check if removal of groups are allowed
if ($this->removal !== self::NO) {
/*
* Find the groups that require removing then remove them from the
* JUser instance.
*/
$toRemove = self::getGroupsToRemove($instance, $mapList, $this->managed);
foreach ($toRemove as $group) {
SHLog::add(JText::sprintf('PLG_LDAP_MAPPING_DEBUG_12013', $group, $username), 12013, JLog::DEBUG, 'ldap');
SHUserHelper::removeUserFromGroup($instance, $group);
$changes = true;
}
}
/* If we have no groups left in our user then we must add
* the public group otherwise Joomla won't save the changes
* to the database.
*/
if (!count($instance->get('groups'))) {
SHUserHelper::addUserToGroup($instance, $this->public_id);
$changes = true;
}
if ($changes) {
return true;
}
return;
} catch (Exception $e) {
SHLog::add($e, 12021, JLog::ERROR, 'ldap');
return false;
}
}
/**
* Method is called after user data is stored in the database.
*
* @param array $user Holds the new user data.
* @param boolean $isNew True if a new user has been stored.
* @param boolean $success True if user was successfully stored in the database.
* @param string $msg An error message.
*
* @return void
*
* @since 2.0
*/
public function onUserAfterSave($user, $isNew, $success, $msg)
{
$adapter = SHFactory::getUserAdapter($user['username']);
$adapterName = $adapter::getName();
if ($isNew && $success && $adapter->state === $adapter::STATE_CREATED) {
// Ensure Joomla knows this is a new adapter user
$options = array('adapter' => &$adapter);
$instance = SHUserHelper::getUser($user, $options);
// Silently resave the user without calling the onUserSave events
SHUserHelper::save($instance, false);
// Update the user map linker
SHAdapterMap::setUser($adapter, $instance->id);
SHAdapterEventHelper::triggerEvent($adapterName, 'onUserAfterSave', array($user, $isNew, $success, $msg));
} elseif ($adapter->state !== $adapter::STATE_UNKNOWN) {
SHAdapterEventHelper::triggerEvent($adapterName, 'onUserAfterSave', array($user, $isNew, $success, $msg));
}
}
