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<?php
if (! class_exists ( 'PostmanInputSanitizer' )) {
class PostmanInputSanitizer {
private $logger;
private $options;
const VALIDATION_SUCCESS = 'validation_success';
const VALIDATION_FAILED = 'validation_failed';
public function __construct() {
$this->logger = new PostmanLogger ( get_class ( $this ) );
$this->options = PostmanOptions::getInstance();
}
/**
* Sanitize each setting field as needed
*
* @param array $input
* Contains all settings fields as array keys
*/
public function sanitize($input) {
$this->logger->debug ( "Sanitizing data before storage" );
$new_input = array ();
$success = true;
$this->sanitizeString ( 'Encryption Type', PostmanOptions::SECURITY_TYPE, $input, $new_input );
$this->sanitizeString ( 'Hostname', PostmanOptions::HOSTNAME, $input, $new_input );
if (! empty ( $input [PostmanOptions::PORT] )) {
$port = absint ( $input [PostmanOptions::PORT] );
if ($port > 0) {
$this->sanitizeInt ( 'Port', PostmanOptions::PORT, $input, $new_input );
} else {
$new_input [PostmanOptions::PORT] = $this->options->getPort ();
add_settings_error ( PostmanOptions::PORT, PostmanOptions::PORT, 'Invalid TCP Port', 'error' );
$success = false;
}
}
// check the auth type AFTER the hostname because we reset the hostname if auth is bad
$this->sanitizeString ( 'From Email', PostmanOptions::MESSAGE_SENDER_EMAIL, $input, $new_input );
// the wizard doesn't set an envelope sender, so we'll default it to From Email
$new_input [PostmanOptions::ENVELOPE_SENDER] = $new_input [PostmanOptions::MESSAGE_SENDER_EMAIL];
$this->sanitizeString ( 'Sender Email', PostmanOptions::ENVELOPE_SENDER, $input, $new_input );
$this->sanitizeString ( 'Transport Type', PostmanOptions::TRANSPORT_TYPE, $input, $new_input );
$this->sanitizeString ( 'Authorization Type', PostmanOptions::AUTHENTICATION_TYPE, $input, $new_input );
$this->sanitizeString ( 'From Name', PostmanOptions::MESSAGE_SENDER_NAME, $input, $new_input );
$this->sanitizeString ( 'Client ID', PostmanOptions::CLIENT_ID, $input, $new_input );
$this->sanitizeString ( 'Client Secret', PostmanOptions::CLIENT_SECRET, $input, $new_input );
$this->sanitizeString ( 'Username', PostmanOptions::BASIC_AUTH_USERNAME, $input, $new_input );
$this->sanitizePassword ( 'Password', PostmanOptions::BASIC_AUTH_PASSWORD, $input, $new_input, $this->options->getPassword () );
$this->sanitizePassword ( 'Mandrill API Key', PostmanOptions::MANDRILL_API_KEY, $input, $new_input, $this->options->getMandrillApiKey () );
$this->sanitizePassword ( 'SendGrid API Key', PostmanOptions::SENDGRID_API_KEY, $input, $new_input, $this->options->getSendGridApiKey () );
$this->sanitizeString ( 'Reply-To', PostmanOptions::REPLY_TO, $input, $new_input );
$this->sanitizeString ( 'From Name Override', PostmanOptions::PREVENT_MESSAGE_SENDER_NAME_OVERRIDE, $input, $new_input );
$this->sanitizeString ( 'From Email Override', PostmanOptions::PREVENT_MESSAGE_SENDER_EMAIL_OVERRIDE, $input, $new_input );
$this->sanitizeString ( 'Disable Email Validation', PostmanOptions::DISABLE_EMAIL_VALIDAITON, $input, $new_input );
$this->sanitizeString ( 'Forced To Recipients', PostmanOptions::FORCED_TO_RECIPIENTS, $input, $new_input );
$this->sanitizeString ( 'Forced CC Recipients', PostmanOptions::FORCED_CC_RECIPIENTS, $input, $new_input );
$this->sanitizeString ( 'Forced BCC Recipients', PostmanOptions::FORCED_BCC_RECIPIENTS, $input, $new_input );
$this->sanitizeString ( 'Additional Headers', PostmanOptions::ADDITIONAL_HEADERS, $input, $new_input );
$this->sanitizeInt ( 'Read Timeout', PostmanOptions::READ_TIMEOUT, $input, $new_input );
$this->sanitizeInt ( 'Conenction Timeout', PostmanOptions::CONNECTION_TIMEOUT, $input, $new_input );
$this->sanitizeInt ( 'Log Level', PostmanOptions::LOG_LEVEL, $input, $new_input );
$this->sanitizeString ( 'Email Log Enabled', PostmanOptions::MAIL_LOG_ENABLED_OPTION, $input, $new_input );
$this->sanitizeLogMax ( 'Email Log Max Entries', PostmanOptions::MAIL_LOG_MAX_ENTRIES, $input, $new_input );
$this->sanitizeString ( 'Run Mode', PostmanOptions::RUN_MODE, $input, $new_input );
$this->sanitizeString ( 'Stealth Mode', PostmanOptions::STEALTH_MODE, $input, $new_input );
$this->sanitizeInt ( 'Transcript Size', PostmanOptions::TRANSCRIPT_SIZE, $input, $new_input );
$this->sanitizeString ( 'Temporary Directory', PostmanOptions::TEMPORARY_DIRECTORY, $input, $new_input );
if ($new_input [PostmanOptions::CLIENT_ID] != $this->options->getClientId () || $new_input [PostmanOptions::CLIENT_SECRET] != $this->options->getClientSecret () || $new_input [PostmanOptions::HOSTNAME] != $this->options->getHostname ()) {
$this->logger->debug ( "Recognized new Client ID" );
// the user entered a new client id and we should destroy the stored auth token
delete_option ( PostmanOAuthToken::OPTIONS_NAME );
}
// can we create a tmp file? - this code is duplicated in ActivationHandler
PostmanUtils::deleteLockFile ( $new_input [PostmanOptions::TEMPORARY_DIRECTORY] );
$lockSuccess = PostmanUtils::createLockFile ( $new_input [PostmanOptions::TEMPORARY_DIRECTORY] );
// &= does not work as expected in my PHP
$lockSuccess = $lockSuccess && PostmanUtils::deleteLockFile ( $new_input [PostmanOptions::TEMPORARY_DIRECTORY] );
$this->logger->debug ( 'FileLocking=' . $lockSuccess );
PostmanState::getInstance ()->setFileLockingEnabled ( $lockSuccess );
if ($success) {
PostmanSession::getInstance ()->setAction ( self::VALIDATION_SUCCESS );
} else {
PostmanSession::getInstance ()->setAction ( self::VALIDATION_FAILED );
}
return $new_input;
}
private function sanitizeString($desc, $key, $input, &$new_input) {
if (isset ( $input [$key] )) {
$this->logSanitize ( $desc, $input [$key] );
$new_input [$key] = trim ( $input [$key] );
}
}
/**
* Sanitize a Basic Auth password, and base64-encode it
*
* @param unknown $desc
* @param unknown $key
* @param unknown $input
* @param unknown $new_input
*/
private function sanitizePassword($desc, $key, $input, &$new_input, $existingPassword) {
// WordPress calling Sanitize twice is a known issue
// https://core.trac.wordpress.org/ticket/21989
$action = PostmanSession::getInstance ()->getAction ();
// if $action is not empty, then sanitize has already run
if (! empty ( $action )) {
// use the already encoded password in the $input
$new_input [$key] = $input [$key];
// log it
$this->logger->debug ( 'Warning, second sanitizePassword attempt detected' );
} else if (isset ( $input [$key] )) {
if (strlen ( $input [$key] ) > 0 && preg_match ( '/^\**$/', $input [$key] )) {
// if the password is all stars, then keep the existing password
$new_input [$key] = $existingPassword;
} else {
// otherwise the password is new, so trim it
$new_input [$key] = trim ( $input [$key] );
}
// log it
$this->logSanitize ( $desc, $new_input [$key] );
// base-64 scramble password
$new_input [$key] = base64_encode ( $new_input [$key] );
}
$this->logger->debug ( sprintf ( 'Encoding %s as %s', $desc, $new_input [$key] ) );
}
private function sanitizeLogMax($desc, $key, $input, &$new_input) {
if (isset ( $input [$key] )) {
$value = absint ( $input [$key] );
if ($value <= 0) {
$new_input [$key] = PostmanOptions::getInstance ()->getMailLoggingMaxEntries ();
$h = new PostmanMessageHandler ();
$h->addError ( sprintf ( '%s %s', __ ( 'Maximum Log Entries', 'Configuration Input Field', Postman::TEXT_DOMAIN ), __ ( 'must be greater than 0', Postman::TEXT_DOMAIN ) ) );
} else {
$this->logSanitize ( $desc, $input [$key] );
$new_input [$key] = $value;
}
}
}
private function sanitizeInt($desc, $key, $input, &$new_input) {
if (isset ( $input [$key] )) {
$this->logSanitize ( $desc, $input [$key] );
$new_input [$key] = absint ( $input [$key] );
}
}
private function logSanitize($desc, $value) {
$this->logger->trace ( 'Sanitize ' . $desc . ' ' . $value );
}
}
}