vijinho / kohana2-legacy

system/helpers/email.php

<?php defined('SYSPATH') or die('No direct access allowed.');
/**
 * Email helper class.
 *
 * $Id: email.php 3769 2008-12-15 00:48:56Z zombor $
 *
 * @package    Core
 * @author     Kohana Team
 * @copyright  (c) 2007-2008 Kohana Team
 * @license    http://kohanaphp.com/license.html
 */
class email_Core
{

    // SwiftMailer instance
    protected static $mail;

    /**
     * Creates a SwiftMailer instance.
     *
     * @param   string  DSN connection string
     * @return  Swift  Swift object
     */
    public static function connect($config = null)
    {
        if (! class_exists('Swift', false)) {
            // Load SwiftMailer
            require Kohana::find_file('vendor', 'swift/Swift');

            // Register the Swift ClassLoader as an autoload
            spl_autoload_register(array('Swift_ClassLoader', 'load'));
        }

        // Load default configuration
        ($config === null) and $config = Kohana::config('email');

        switch ($config['driver']) {
            case 'smtp':
                // Set port
                $port = empty($config['options']['port']) ? null : (int) $config['options']['port'];

                if (empty($config['options']['encryption'])) {
                    // No encryption
                    $encryption = Swift_Connection_SMTP::ENC_OFF;
                } else {
                    // Set encryption
                    switch (strtolower($config['options']['encryption'])) {
                        case 'tls': $encryption = Swift_Connection_SMTP::ENC_TLS; break;
                        case 'ssl': $encryption = Swift_Connection_SMTP::ENC_SSL; break;
                    }
                }

                // Create a SMTP connection
                $connection = new Swift_Connection_SMTP($config['options']['hostname'], $port, $encryption);

The variable $encryption does not seem to be defined for all execution paths leading up to this point.

                // Do authentication, if part of the DSN
                empty($config['options']['username']) or $connection->setUsername($config['options']['username']);
                empty($config['options']['password']) or $connection->setPassword($config['options']['password']);

                if (! empty($config['options']['auth'])) {
                    // Get the class name and params
                    list($class, $params) = arr::callback_string($config['options']['auth']);

                    if ($class === 'PopB4Smtp') {
                        // Load the PopB4Smtp class manually, due to its odd filename
                        require Kohana::find_file('vendor', 'swift/Swift/Authenticator/$PopB4Smtp$');
                    }

                    // Prepare the class name for auto-loading
                    $class = 'Swift_Authenticator_'.$class;

                    // Attach the authenticator
                    $connection->attachAuthenticator(($params === null) ? new $class : new $class($params[0]));
                }

                // Set the timeout to 5 seconds
                $connection->setTimeout(empty($config['options']['timeout']) ? 5 : (int) $config['options']['timeout']);
            break;
            case 'sendmail':
                // Create a sendmail connection
                $connection = new Swift_Connection_Sendmail(
                    empty($config['options']) ? Swift_Connection_Sendmail::AUTO_DETECT : $config['options']
                );

                // Set the timeout to 5 seconds
                $connection->setTimeout(5);
            break;
            default:
                // Use the native connection
                $connection = new Swift_Connection_NativeMail($config['options']);
            break;
        }

        // Create the SwiftMailer instance
        return email::$mail = new Swift($connection);
    }

    /**
     * Send an email message.
     *
     * @param   string|array  recipient email (and name), or an array of To, Cc, Bcc names
     * @param   string|array  sender email (and name)
     * @param   string        message subject
     * @param   string        message body
     * @param   boolean       send email as HTML
     * @return  integer       number of emails sent
     */
    public static function send($to, $from, $subject, $message, $html = false)

Avoid variables with short names like $to. Configured minimum length is 3.

    {
        // Connect to SwiftMailer
        (email::$mail === null) and email::connect();

        // Determine the message type
        $html = ($html === true) ? 'text/html' : 'text/plain';

        // Create the message
        $message = new Swift_Message($subject, $message, $html, '8bit', 'utf-8');

        if (is_string($to)) {
            // Single recipient
            $recipients = new Swift_Address($to);
        } elseif (is_array($to)) {
            if (isset($to[0]) and isset($to[1])) {
                // Create To: address set
                $to = array('to' => $to);
            }

            // Create a list of recipients
            $recipients = new Swift_RecipientList;

            foreach ($to as $method => $set) {
                if (! in_array($method, array('to', 'cc', 'bcc'))) {
                    // Use To: by default
                    $method = 'to';
                }

                // Create method name
                $method = 'add'.ucfirst($method);

                if (is_array($set)) {
                    // Add a recipient with name
                    $recipients->$method($set[0], $set[1]);
                } else {
                    // Add a recipient without name
                    $recipients->$method($set);
                }
            }
        }

        if (is_string($from)) {
            // From without a name
            $from = new Swift_Address($from);
        } elseif (is_array($from)) {
            // From with a name
            $from = new Swift_Address($from[0], $from[1]);
        }

        return email::$mail->send($message, $recipients, $from);

The variable $recipients does not seem to be defined for all execution paths leading up to this point.

    }
} // End email