/**
* Retrieves the setting's plaintext value from
* the database, for editing
* @return mixed Returns value if successful, otherwise null
* @version 2013052301
* @since 2012101001
*/
public function get_setting()
{
// Decrypt value to return
$encrypter = new MoodletxtEncryption();
$key = get_config('moodletxt', 'EK');
$encrypted = $this->config_read($this->name);
return $encrypted !== null ? $encrypter->decrypt($key, $encrypted) : '';
}
/**
* Builds authentication block.
* Method to build an <Authentication> block for authenticating a request with the API
* @param TxttoolsAccount $txttoolsAccount txttools account to authenticate against
* @version 2011041501
* @since 2010090101
*/
private function buildAuthentication($txttoolsAccount)
{
$outPass = $this->encrypter->decrypt(get_config('moodletxt', 'EK'), $txttoolsAccount->getEncryptedPassword());
// Set authentication block
// Code written this way so the output is all nice and formatted
$this->currentAuthentication = '
' . MoodletxtXMLConstants::$REQUEST_AUTHENTICATION_BLOCK . '
' . MoodletxtXMLConstants::$REQUEST_AUTHENTICATION_USERNAME . $txttoolsAccount->getUsername() . MoodletxtXMLConstants::$_REQUEST_AUTHENTICATION_USERNAME . '
' . MoodletxtXMLConstants::$REQUEST_AUTHENTICATION_PASSWORD . $outPass . MoodletxtXMLConstants::$_REQUEST_AUTHENTICATION_PASSWORD . '
' . MoodletxtXMLConstants::$_REQUEST_AUTHENTICATION_BLOCK;
}
require_once $CFG->dirroot . '/blocks/moodletxt/dao/TxttoolsSentMessageDAO.php';
require_once $CFG->dirroot . '/blocks/moodletxt/dao/TxttoolsReceivedMessageDAO.php';
require_once $CFG->dirroot . '/blocks/moodletxt/inbound/MoodletxtInboundFilterManager.php';
// Read in POST variables
$inPushUser = required_param('u', PARAM_ALPHANUM);
$inPushPass = required_param('p', PARAM_ALPHANUM);
$inPayload = required_param('x', PARAM_RAW);
// Assuming we have the right params, set up for parsing
$parser = new MoodletxtXMLParser();
$decrypter = new MoodletxtEncryption();
$sentMessagesDAO = new TxttoolsSentMessageDAO();
$receivedMessagesDAO = new TxttoolsReceivedMessageDAO();
$inboundFilterManager = new MoodletxtInboundFilterManager();
$key = get_config('moodletxt', 'EK');
$pushUsername = get_config('moodletxt', 'Push_Username');
$pushPassword = $decrypter->decrypt($key, get_config('moodletxt', 'Push_Password'));
// Check credentials against those stored in Moodle
if ($inPushUser === $pushUsername && $inPushPass === $pushPassword) {
$parsedInboundMessages = array();
$parsedStatusUpdates = array();
try {
$parsedObjects = $parser->parse($inPayload);
} catch (Exception $ex) {
// Invalid XML from remote system
die;
}
if (is_array($parsedObjects)) {
// Filter objects and save accordingly
foreach ($parsedObjects as $parsedObject) {
if ($parsedObject instanceof MoodletxtInboundMessage) {
array_push($parsedInboundMessages, $parsedObject);
