/phpBB/includes/functions_messenger.php
PHP | 1933 lines | 1328 code | 282 blank | 323 comment | 205 complexity | c92039f7e67b29b9e6ba4b3c59d0ec1f MD5 | raw file
Possible License(s): AGPL-1.0
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- <?php
- /**
- *
- * This file is part of the phpBB Forum Software package.
- *
- * @copyright (c) phpBB Limited <https://www.phpbb.com>
- * @license GNU General Public License, version 2 (GPL-2.0)
- *
- * For full copyright and license information, please see
- * the docs/CREDITS.txt file.
- *
- */
- /**
- * @ignore
- */
- if (!defined('IN_PHPBB'))
- {
- exit;
- }
- /**
- * Messenger
- */
- class messenger
- {
- var $msg, $replyto, $from, $subject;
- var $addresses = array();
- var $extra_headers = array();
- var $mail_priority = MAIL_NORMAL_PRIORITY;
- var $use_queue = true;
- /** @var \phpbb\template\template */
- protected $template;
- /**
- * Constructor
- */
- function __construct($use_queue = true)
- {
- global $config;
- $this->use_queue = (!$config['email_package_size']) ? false : $use_queue;
- $this->subject = '';
- }
- /**
- * Resets all the data (address, template file, etc etc) to default
- */
- function reset()
- {
- $this->addresses = $this->extra_headers = array();
- $this->msg = $this->replyto = $this->from = '';
- $this->mail_priority = MAIL_NORMAL_PRIORITY;
- }
- /**
- * Set addresses for to/im as available
- *
- * @param array $user User row
- */
- function set_addresses($user)
- {
- if (isset($user['user_email']) && $user['user_email'])
- {
- $this->to($user['user_email'], (isset($user['username']) ? $user['username'] : ''));
- }
- if (isset($user['user_jabber']) && $user['user_jabber'])
- {
- $this->im($user['user_jabber'], (isset($user['username']) ? $user['username'] : ''));
- }
- }
- /**
- * Sets an email address to send to
- */
- function to($address, $realname = '')
- {
- global $config;
- if (!trim($address))
- {
- return;
- }
- $pos = isset($this->addresses['to']) ? count($this->addresses['to']) : 0;
- $this->addresses['to'][$pos]['email'] = trim($address);
- // If empty sendmail_path on windows, PHP changes the to line
- if (!$config['smtp_delivery'] && DIRECTORY_SEPARATOR == '\\')
- {
- $this->addresses['to'][$pos]['name'] = '';
- }
- else
- {
- $this->addresses['to'][$pos]['name'] = trim($realname);
- }
- }
- /**
- * Sets an cc address to send to
- */
- function cc($address, $realname = '')
- {
- if (!trim($address))
- {
- return;
- }
- $pos = isset($this->addresses['cc']) ? count($this->addresses['cc']) : 0;
- $this->addresses['cc'][$pos]['email'] = trim($address);
- $this->addresses['cc'][$pos]['name'] = trim($realname);
- }
- /**
- * Sets an bcc address to send to
- */
- function bcc($address, $realname = '')
- {
- if (!trim($address))
- {
- return;
- }
- $pos = isset($this->addresses['bcc']) ? count($this->addresses['bcc']) : 0;
- $this->addresses['bcc'][$pos]['email'] = trim($address);
- $this->addresses['bcc'][$pos]['name'] = trim($realname);
- }
- /**
- * Sets a im contact to send to
- */
- function im($address, $realname = '')
- {
- // IM-Addresses could be empty
- if (!trim($address))
- {
- return;
- }
- $pos = isset($this->addresses['im']) ? count($this->addresses['im']) : 0;
- $this->addresses['im'][$pos]['uid'] = trim($address);
- $this->addresses['im'][$pos]['name'] = trim($realname);
- }
- /**
- * Set the reply to address
- */
- function replyto($address)
- {
- $this->replyto = trim($address);
- }
- /**
- * Set the from address
- */
- function from($address)
- {
- $this->from = trim($address);
- }
- /**
- * set up subject for mail
- */
- function subject($subject = '')
- {
- $this->subject = trim($subject);
- }
- /**
- * set up extra mail headers
- */
- function headers($headers)
- {
- $this->extra_headers[] = trim($headers);
- }
- /**
- * Adds X-AntiAbuse headers
- *
- * @param \phpbb\config\config $config Config object
- * @param \phpbb\user $user User object
- * @return void
- */
- function anti_abuse_headers($config, $user)
- {
- $this->headers('X-AntiAbuse: Board servername - ' . mail_encode($config['server_name']));
- $this->headers('X-AntiAbuse: User_id - ' . $user->data['user_id']);
- $this->headers('X-AntiAbuse: Username - ' . mail_encode($user->data['username']));
- $this->headers('X-AntiAbuse: User IP - ' . $user->ip);
- }
- /**
- * Set the email priority
- */
- function set_mail_priority($priority = MAIL_NORMAL_PRIORITY)
- {
- $this->mail_priority = $priority;
- }
- /**
- * Set email template to use
- */
- function template($template_file, $template_lang = '', $template_path = '', $template_dir_prefix = '')
- {
- global $config, $phpbb_root_path, $user;
- $template_dir_prefix = (!$template_dir_prefix || $template_dir_prefix[0] === '/') ? $template_dir_prefix : '/' . $template_dir_prefix;
- $this->setup_template();
- if (!trim($template_file))
- {
- trigger_error('No template file for emailing set.', E_USER_ERROR);
- }
- if (!trim($template_lang))
- {
- // fall back to board default language if the user's language is
- // missing $template_file. If this does not exist either,
- // $this->template->set_filenames will do a trigger_error
- $template_lang = basename($config['default_lang']);
- }
- $ext_template_paths = array(
- array(
- 'name' => $template_lang . '_email',
- 'ext_path' => 'language/' . $template_lang . '/email' . $template_dir_prefix,
- ),
- );
- if ($template_path)
- {
- $template_paths = array(
- $template_path . $template_dir_prefix,
- );
- }
- else
- {
- $template_path = (!empty($user->lang_path)) ? $user->lang_path : $phpbb_root_path . 'language/';
- $template_path .= $template_lang . '/email';
- $template_paths = array(
- $template_path . $template_dir_prefix,
- );
- $board_language = basename($config['default_lang']);
- // we can only specify default language fallback when the path is not a custom one for which we
- // do not know the default language alternative
- if ($template_lang !== $board_language)
- {
- $fallback_template_path = (!empty($user->lang_path)) ? $user->lang_path : $phpbb_root_path . 'language/';
- $fallback_template_path .= $board_language . '/email';
- $template_paths[] = $fallback_template_path . $template_dir_prefix;
- $ext_template_paths[] = array(
- 'name' => $board_language . '_email',
- 'ext_path' => 'language/' . $board_language . '/email' . $template_dir_prefix,
- );
- }
- // If everything fails just fall back to en template
- if ($template_lang !== 'en' && $board_language !== 'en')
- {
- $fallback_template_path = (!empty($user->lang_path)) ? $user->lang_path : $phpbb_root_path . 'language/';
- $fallback_template_path .= 'en/email';
- $template_paths[] = $fallback_template_path . $template_dir_prefix;
- $ext_template_paths[] = array(
- 'name' => 'en_email',
- 'ext_path' => 'language/en/email' . $template_dir_prefix,
- );
- }
- }
- $this->set_template_paths($ext_template_paths, $template_paths);
- $this->template->set_filenames(array(
- 'body' => $template_file . '.txt',
- ));
- return true;
- }
- /**
- * assign variables to email template
- */
- function assign_vars($vars)
- {
- $this->setup_template();
- $this->template->assign_vars($vars);
- }
- function assign_block_vars($blockname, $vars)
- {
- $this->setup_template();
- $this->template->assign_block_vars($blockname, $vars);
- }
- /**
- * Send the mail out to the recipients set previously in var $this->addresses
- *
- * @param int $method User notification method NOTIFY_EMAIL|NOTIFY_IM|NOTIFY_BOTH
- * @param bool $break Flag indicating if the function only formats the subject
- * and the message without sending it
- *
- * @return bool
- */
- function send($method = NOTIFY_EMAIL, $break = false)
- {
- global $config, $user, $phpbb_dispatcher;
- // We add some standard variables we always use, no need to specify them always
- $this->assign_vars(array(
- 'U_BOARD' => generate_board_url(),
- 'EMAIL_SIG' => str_replace('<br />', "\n", "-- \n" . htmlspecialchars_decode($config['board_email_sig'])),
- 'SITENAME' => htmlspecialchars_decode($config['sitename']),
- ));
- $subject = $this->subject;
- $template = $this->template;
- /**
- * Event to modify the template before parsing
- *
- * @event core.modify_notification_template
- * @var int method User notification method NOTIFY_EMAIL|NOTIFY_IM|NOTIFY_BOTH
- * @var bool break Flag indicating if the function only formats the subject
- * and the message without sending it
- * @var string subject The message subject
- * @var \phpbb\template\template template The (readonly) template object
- * @since 3.2.4-RC1
- */
- $vars = array('method', 'break', 'subject', 'template');
- extract($phpbb_dispatcher->trigger_event('core.modify_notification_template', compact($vars)));
- // Parse message through template
- $message = trim($this->template->assign_display('body'));
- /**
- * Event to modify notification message text after parsing
- *
- * @event core.modify_notification_message
- * @var int method User notification method NOTIFY_EMAIL|NOTIFY_IM|NOTIFY_BOTH
- * @var bool break Flag indicating if the function only formats the subject
- * and the message without sending it
- * @var string subject The message subject
- * @var string message The message text
- * @since 3.1.11-RC1
- */
- $vars = array('method', 'break', 'subject', 'message');
- extract($phpbb_dispatcher->trigger_event('core.modify_notification_message', compact($vars)));
- $this->subject = $subject;
- $this->msg = $message;
- unset($subject, $message, $template);
- // Because we use \n for newlines in the body message we need to fix line encoding errors for those admins who uploaded email template files in the wrong encoding
- $this->msg = str_replace("\r\n", "\n", $this->msg);
- // We now try and pull a subject from the email body ... if it exists,
- // do this here because the subject may contain a variable
- $drop_header = '';
- $match = array();
- if (preg_match('#^(Subject:(.*?))$#m', $this->msg, $match))
- {
- $this->subject = (trim($match[2]) != '') ? trim($match[2]) : (($this->subject != '') ? $this->subject : $user->lang['NO_EMAIL_SUBJECT']);
- $drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
- }
- else
- {
- $this->subject = (($this->subject != '') ? $this->subject : $user->lang['NO_EMAIL_SUBJECT']);
- }
- if (preg_match('#^(List-Unsubscribe:(.*?))$#m', $this->msg, $match))
- {
- $this->extra_headers[] = $match[1];
- $drop_header .= '[\r\n]*?' . preg_quote($match[1], '#');
- }
- if ($drop_header)
- {
- $this->msg = trim(preg_replace('#' . $drop_header . '#s', '', $this->msg));
- }
- if ($break)
- {
- return true;
- }
- switch ($method)
- {
- case NOTIFY_EMAIL:
- $result = $this->msg_email();
- break;
- case NOTIFY_IM:
- $result = $this->msg_jabber();
- break;
- case NOTIFY_BOTH:
- $result = $this->msg_email();
- $this->msg_jabber();
- break;
- }
- $this->reset();
- return $result;
- }
- /**
- * Add error message to log
- */
- function error($type, $msg)
- {
- global $user, $config, $request, $phpbb_log;
- // Session doesn't exist, create it
- if (!isset($user->session_id) || $user->session_id === '')
- {
- $user->session_begin();
- }
- $calling_page = htmlspecialchars_decode($request->server('PHP_SELF'));
- switch ($type)
- {
- case 'EMAIL':
- $message = '<strong>EMAIL/' . (($config['smtp_delivery']) ? 'SMTP' : 'PHP/mail()') . '</strong>';
- break;
- default:
- $message = "<strong>$type</strong>";
- break;
- }
- $message .= '<br /><em>' . htmlspecialchars($calling_page) . '</em><br /><br />' . $msg . '<br />';
- $phpbb_log->add('critical', $user->data['user_id'], $user->ip, 'LOG_ERROR_' . $type, false, array($message));
- }
- /**
- * Save to queue
- */
- function save_queue()
- {
- global $config;
- if ($config['email_package_size'] && $this->use_queue && !empty($this->queue))
- {
- $this->queue->save();
- return;
- }
- }
- /**
- * Generates a valid message id to be used in emails
- *
- * @return string message id
- */
- function generate_message_id()
- {
- global $config, $request;
- $domain = ($config['server_name']) ?: $request->server('SERVER_NAME', 'phpbb.generated');
- return md5(unique_id(time())) . '@' . $domain;
- }
- /**
- * Return email header
- */
- function build_header($to, $cc, $bcc)
- {
- global $config, $phpbb_dispatcher;
- // We could use keys here, but we won't do this for 3.0.x to retain backwards compatibility
- $headers = array();
- $headers[] = 'From: ' . $this->from;
- if ($cc)
- {
- $headers[] = 'Cc: ' . $cc;
- }
- if ($bcc)
- {
- $headers[] = 'Bcc: ' . $bcc;
- }
- $headers[] = 'Reply-To: ' . $this->replyto;
- $headers[] = 'Return-Path: <' . $config['board_email'] . '>';
- $headers[] = 'Sender: <' . $config['board_email'] . '>';
- $headers[] = 'MIME-Version: 1.0';
- $headers[] = 'Message-ID: <' . $this->generate_message_id() . '>';
- $headers[] = 'Date: ' . date('r', time());
- $headers[] = 'Content-Type: text/plain; charset=UTF-8'; // format=flowed
- $headers[] = 'Content-Transfer-Encoding: 8bit'; // 7bit
- $headers[] = 'X-Priority: ' . $this->mail_priority;
- $headers[] = 'X-MSMail-Priority: ' . (($this->mail_priority == MAIL_LOW_PRIORITY) ? 'Low' : (($this->mail_priority == MAIL_NORMAL_PRIORITY) ? 'Normal' : 'High'));
- $headers[] = 'X-Mailer: phpBB3';
- $headers[] = 'X-MimeOLE: phpBB3';
- $headers[] = 'X-phpBB-Origin: phpbb://' . str_replace(array('http://', 'https://'), array('', ''), generate_board_url());
- /**
- * Event to modify email header entries
- *
- * @event core.modify_email_headers
- * @var array headers Array containing email header entries
- * @since 3.1.11-RC1
- */
- $vars = array('headers');
- extract($phpbb_dispatcher->trigger_event('core.modify_email_headers', compact($vars)));
- if (count($this->extra_headers))
- {
- $headers = array_merge($headers, $this->extra_headers);
- }
- return $headers;
- }
- /**
- * Send out emails
- */
- function msg_email()
- {
- global $config, $phpbb_dispatcher;
- if (empty($config['email_enable']))
- {
- return false;
- }
- // Addresses to send to?
- if (empty($this->addresses) || (empty($this->addresses['to']) && empty($this->addresses['cc']) && empty($this->addresses['bcc'])))
- {
- // Send was successful. ;)
- return true;
- }
- $use_queue = false;
- if ($config['email_package_size'] && $this->use_queue)
- {
- if (empty($this->queue))
- {
- $this->queue = new queue();
- $this->queue->init('email', $config['email_package_size']);
- }
- $use_queue = true;
- }
- $contact_name = htmlspecialchars_decode($config['board_contact_name']);
- $board_contact = (($contact_name !== '') ? '"' . mail_encode($contact_name) . '" ' : '') . '<' . $config['board_contact'] . '>';
- $break = false;
- $addresses = $this->addresses;
- $subject = $this->subject;
- $msg = $this->msg;
- /**
- * Event to send message via external transport
- *
- * @event core.notification_message_email
- * @var bool break Flag indicating if the function return after hook
- * @var array addresses The message recipients
- * @var string subject The message subject
- * @var string msg The message text
- * @since 3.2.4-RC1
- */
- $vars = array(
- 'break',
- 'addresses',
- 'subject',
- 'msg',
- );
- extract($phpbb_dispatcher->trigger_event('core.notification_message_email', compact($vars)));
- if ($break)
- {
- return true;
- }
- if (empty($this->replyto))
- {
- $this->replyto = $board_contact;
- }
- if (empty($this->from))
- {
- $this->from = $board_contact;
- }
- $encode_eol = ($config['smtp_delivery']) ? "\r\n" : PHP_EOL;
- // Build to, cc and bcc strings
- $to = $cc = $bcc = '';
- foreach ($this->addresses as $type => $address_ary)
- {
- if ($type == 'im')
- {
- continue;
- }
- foreach ($address_ary as $which_ary)
- {
- ${$type} .= ((${$type} != '') ? ', ' : '') . (($which_ary['name'] != '') ? mail_encode($which_ary['name'], $encode_eol) . ' <' . $which_ary['email'] . '>' : $which_ary['email']);
- }
- }
- // Build header
- $headers = $this->build_header($to, $cc, $bcc);
- // Send message ...
- if (!$use_queue)
- {
- $mail_to = ($to == '') ? 'undisclosed-recipients:;' : $to;
- $err_msg = '';
- if ($config['smtp_delivery'])
- {
- $result = smtpmail($this->addresses, mail_encode($this->subject), wordwrap(utf8_wordwrap($this->msg), 997, "\n", true), $err_msg, $headers);
- }
- else
- {
- $result = phpbb_mail($mail_to, $this->subject, $this->msg, $headers, PHP_EOL, $err_msg);
- }
- if (!$result)
- {
- $this->error('EMAIL', $err_msg);
- return false;
- }
- }
- else
- {
- $this->queue->put('email', array(
- 'to' => $to,
- 'addresses' => $this->addresses,
- 'subject' => $this->subject,
- 'msg' => $this->msg,
- 'headers' => $headers)
- );
- }
- return true;
- }
- /**
- * Send jabber message out
- */
- function msg_jabber()
- {
- global $config, $user, $phpbb_root_path, $phpEx;
- if (empty($config['jab_enable']) || empty($config['jab_host']) || empty($config['jab_username']) || empty($config['jab_password']))
- {
- return false;
- }
- if (empty($this->addresses['im']))
- {
- // Send was successful. ;)
- return true;
- }
- $use_queue = false;
- if ($config['jab_package_size'] && $this->use_queue)
- {
- if (empty($this->queue))
- {
- $this->queue = new queue();
- $this->queue->init('jabber', $config['jab_package_size']);
- }
- $use_queue = true;
- }
- $addresses = array();
- foreach ($this->addresses['im'] as $type => $uid_ary)
- {
- $addresses[] = $uid_ary['uid'];
- }
- $addresses = array_unique($addresses);
- if (!$use_queue)
- {
- include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx);
- $this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl'], $config['jab_verify_peer'], $config['jab_verify_peer_name'], $config['jab_allow_self_signed']);
- if (!$this->jabber->connect())
- {
- $this->error('JABBER', $user->lang['ERR_JAB_CONNECT'] . '<br />' . $this->jabber->get_log());
- return false;
- }
- if (!$this->jabber->login())
- {
- $this->error('JABBER', $user->lang['ERR_JAB_AUTH'] . '<br />' . $this->jabber->get_log());
- return false;
- }
- foreach ($addresses as $address)
- {
- $this->jabber->send_message($address, $this->msg, $this->subject);
- }
- $this->jabber->disconnect();
- }
- else
- {
- $this->queue->put('jabber', array(
- 'addresses' => $addresses,
- 'subject' => $this->subject,
- 'msg' => $this->msg)
- );
- }
- unset($addresses);
- return true;
- }
- /**
- * Setup template engine
- */
- protected function setup_template()
- {
- global $phpbb_container, $phpbb_dispatcher;
- if ($this->template instanceof \phpbb\template\template)
- {
- return;
- }
- $template_environment = new \phpbb\template\twig\environment(
- $phpbb_container->get('config'),
- $phpbb_container->get('filesystem'),
- $phpbb_container->get('path_helper'),
- $phpbb_container->getParameter('core.template.cache_path'),
- $phpbb_container->get('ext.manager'),
- new \phpbb\template\twig\loader(),
- $phpbb_dispatcher,
- array()
- );
- $template_environment->setLexer($phpbb_container->get('template.twig.lexer'));
- $this->template = new \phpbb\template\twig\twig(
- $phpbb_container->get('path_helper'),
- $phpbb_container->get('config'),
- new \phpbb\template\context(),
- $template_environment,
- $phpbb_container->getParameter('core.template.cache_path'),
- $phpbb_container->get('user'),
- $phpbb_container->get('template.twig.extensions.collection'),
- $phpbb_container->get('ext.manager')
- );
- }
- /**
- * Set template paths to load
- */
- protected function set_template_paths($path_name, $paths)
- {
- $this->setup_template();
- $this->template->set_custom_style($path_name, $paths);
- }
- }
- /**
- * handling email and jabber queue
- */
- class queue
- {
- var $data = array();
- var $queue_data = array();
- var $package_size = 0;
- var $cache_file = '';
- var $eol = "\n";
- /**
- * @var \phpbb\filesystem\filesystem_interface
- */
- protected $filesystem;
- /**
- * constructor
- */
- function __construct()
- {
- global $phpEx, $phpbb_root_path, $phpbb_filesystem, $phpbb_container;
- $this->data = array();
- $this->cache_file = $phpbb_container->getParameter('core.cache_dir') . "queue.$phpEx";
- $this->filesystem = $phpbb_filesystem;
- }
- /**
- * Init a queue object
- */
- function init($object, $package_size)
- {
- $this->data[$object] = array();
- $this->data[$object]['package_size'] = $package_size;
- $this->data[$object]['data'] = array();
- }
- /**
- * Put object in queue
- */
- function put($object, $scope)
- {
- $this->data[$object]['data'][] = $scope;
- }
- /**
- * Process queue
- * Using lock file
- */
- function process()
- {
- global $config, $phpEx, $phpbb_root_path, $user, $phpbb_dispatcher;
- $lock = new \phpbb\lock\flock($this->cache_file);
- $lock->acquire();
- // avoid races, check file existence once
- $have_cache_file = file_exists($this->cache_file);
- if (!$have_cache_file || $config['last_queue_run'] > time() - $config['queue_interval'])
- {
- if (!$have_cache_file)
- {
- $config->set('last_queue_run', time(), false);
- }
- $lock->release();
- return;
- }
- $config->set('last_queue_run', time(), false);
- include($this->cache_file);
- foreach ($this->queue_data as $object => $data_ary)
- {
- @set_time_limit(0);
- if (!isset($data_ary['package_size']))
- {
- $data_ary['package_size'] = 0;
- }
- $package_size = $data_ary['package_size'];
- $num_items = (!$package_size || count($data_ary['data']) < $package_size) ? count($data_ary['data']) : $package_size;
- /*
- * This code is commented out because it causes problems on some web hosts.
- * The core problem is rather restrictive email sending limits.
- * This code is nly useful if you have no such restrictions from the
- * web host and the package size setting is wrong.
- // If the amount of emails to be sent is way more than package_size than we need to increase it to prevent backlogs...
- if (count($data_ary['data']) > $package_size * 2.5)
- {
- $num_items = count($data_ary['data']);
- }
- */
- switch ($object)
- {
- case 'email':
- // Delete the email queued objects if mailing is disabled
- if (!$config['email_enable'])
- {
- unset($this->queue_data['email']);
- continue 2;
- }
- break;
- case 'jabber':
- if (!$config['jab_enable'])
- {
- unset($this->queue_data['jabber']);
- continue 2;
- }
- include_once($phpbb_root_path . 'includes/functions_jabber.' . $phpEx);
- $this->jabber = new jabber($config['jab_host'], $config['jab_port'], $config['jab_username'], htmlspecialchars_decode($config['jab_password']), $config['jab_use_ssl'], $config['jab_verify_peer'], $config['jab_verify_peer_name'], $config['jab_allow_self_signed']);
- if (!$this->jabber->connect())
- {
- $messenger = new messenger();
- $messenger->error('JABBER', $user->lang['ERR_JAB_CONNECT']);
- continue 2;
- }
- if (!$this->jabber->login())
- {
- $messenger = new messenger();
- $messenger->error('JABBER', $user->lang['ERR_JAB_AUTH']);
- continue 2;
- }
- break;
- default:
- $lock->release();
- return;
- }
- for ($i = 0; $i < $num_items; $i++)
- {
- // Make variables available...
- extract(array_shift($this->queue_data[$object]['data']));
- switch ($object)
- {
- case 'email':
- $break = false;
- /**
- * Event to send message via external transport
- *
- * @event core.notification_message_process
- * @var bool break Flag indicating if the function return after hook
- * @var array addresses The message recipients
- * @var string subject The message subject
- * @var string msg The message text
- * @since 3.2.4-RC1
- */
- $vars = array(
- 'break',
- 'addresses',
- 'subject',
- 'msg',
- );
- extract($phpbb_dispatcher->trigger_event('core.notification_message_process', compact($vars)));
- if (!$break)
- {
- $err_msg = '';
- $to = (!$to) ? 'undisclosed-recipients:;' : $to;
- if ($config['smtp_delivery'])
- {
- $result = smtpmail($addresses, mail_encode($subject), wordwrap(utf8_wordwrap($msg), 997, "\n", true), $err_msg, $headers);
- }
- else
- {
- $result = phpbb_mail($to, $subject, $msg, $headers, PHP_EOL, $err_msg);
- }
- if (!$result)
- {
- $messenger = new messenger();
- $messenger->error('EMAIL', $err_msg);
- continue 2;
- }
- }
- break;
- case 'jabber':
- foreach ($addresses as $address)
- {
- if ($this->jabber->send_message($address, $msg, $subject) === false)
- {
- $messenger = new messenger();
- $messenger->error('JABBER', $this->jabber->get_log());
- continue 3;
- }
- }
- break;
- }
- }
- // No more data for this object? Unset it
- if (!count($this->queue_data[$object]['data']))
- {
- unset($this->queue_data[$object]);
- }
- // Post-object processing
- switch ($object)
- {
- case 'jabber':
- // Hang about a couple of secs to ensure the messages are
- // handled, then disconnect
- $this->jabber->disconnect();
- break;
- }
- }
- if (!count($this->queue_data))
- {
- @unlink($this->cache_file);
- }
- else
- {
- if ($fp = @fopen($this->cache_file, 'wb'))
- {
- fwrite($fp, "<?php\nif (!defined('IN_PHPBB')) exit;\n\$this->queue_data = unserialize(" . var_export(serialize($this->queue_data), true) . ");\n\n?>");
- fclose($fp);
- if (function_exists('opcache_invalidate'))
- {
- @opcache_invalidate($this->cache_file);
- }
- try
- {
- $this->filesystem->phpbb_chmod($this->cache_file, \phpbb\filesystem\filesystem_interface::CHMOD_READ | \phpbb\filesystem\filesystem_interface::CHMOD_WRITE);
- }
- catch (\phpbb\filesystem\exception\filesystem_exception $e)
- {
- // Do nothing
- }
- }
- }
- $lock->release();
- }
- /**
- * Save queue
- */
- function save()
- {
- if (!count($this->data))
- {
- return;
- }
- $lock = new \phpbb\lock\flock($this->cache_file);
- $lock->acquire();
- if (file_exists($this->cache_file))
- {
- include($this->cache_file);
- foreach ($this->queue_data as $object => $data_ary)
- {
- if (isset($this->data[$object]) && count($this->data[$object]))
- {
- $this->data[$object]['data'] = array_merge($data_ary['data'], $this->data[$object]['data']);
- }
- else
- {
- $this->data[$object]['data'] = $data_ary['data'];
- }
- }
- }
- if ($fp = @fopen($this->cache_file, 'w'))
- {
- fwrite($fp, "<?php\nif (!defined('IN_PHPBB')) exit;\n\$this->queue_data = unserialize(" . var_export(serialize($this->data), true) . ");\n\n?>");
- fclose($fp);
- if (function_exists('opcache_invalidate'))
- {
- @opcache_invalidate($this->cache_file);
- }
- try
- {
- $this->filesystem->phpbb_chmod($this->cache_file, \phpbb\filesystem\filesystem_interface::CHMOD_READ | \phpbb\filesystem\filesystem_interface::CHMOD_WRITE);
- }
- catch (\phpbb\filesystem\exception\filesystem_exception $e)
- {
- // Do nothing
- }
- $this->data = array();
- }
- $lock->release();
- }
- }
- /**
- * Replacement or substitute for PHP's mail command
- */
- function smtpmail($addresses, $subject, $message, &$err_msg, $headers = false)
- {
- global $config, $user;
- // Fix any bare linefeeds in the message to make it RFC821 Compliant.
- $message = preg_replace("#(?<!\r)\n#si", "\r\n", $message);
- if ($headers !== false)
- {
- if (!is_array($headers))
- {
- // Make sure there are no bare linefeeds in the headers
- $headers = preg_replace('#(?<!\r)\n#si', "\n", $headers);
- $headers = explode("\n", $headers);
- }
- // Ok this is rather confusing all things considered,
- // but we have to grab bcc and cc headers and treat them differently
- // Something we really didn't take into consideration originally
- $headers_used = array();
- foreach ($headers as $header)
- {
- if (strpos(strtolower($header), 'cc:') === 0 || strpos(strtolower($header), 'bcc:') === 0)
- {
- continue;
- }
- $headers_used[] = trim($header);
- }
- $headers = chop(implode("\r\n", $headers_used));
- }
- if (trim($subject) == '')
- {
- $err_msg = (isset($user->lang['NO_EMAIL_SUBJECT'])) ? $user->lang['NO_EMAIL_SUBJECT'] : 'No email subject specified';
- return false;
- }
- if (trim($message) == '')
- {
- $err_msg = (isset($user->lang['NO_EMAIL_MESSAGE'])) ? $user->lang['NO_EMAIL_MESSAGE'] : 'Email message was blank';
- return false;
- }
- $mail_rcpt = $mail_to = $mail_cc = array();
- // Build correct addresses for RCPT TO command and the client side display (TO, CC)
- if (isset($addresses['to']) && count($addresses['to']))
- {
- foreach ($addresses['to'] as $which_ary)
- {
- $mail_to[] = ($which_ary['name'] != '') ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>';
- $mail_rcpt['to'][] = '<' . trim($which_ary['email']) . '>';
- }
- }
- if (isset($addresses['bcc']) && count($addresses['bcc']))
- {
- foreach ($addresses['bcc'] as $which_ary)
- {
- $mail_rcpt['bcc'][] = '<' . trim($which_ary['email']) . '>';
- }
- }
- if (isset($addresses['cc']) && count($addresses['cc']))
- {
- foreach ($addresses['cc'] as $which_ary)
- {
- $mail_cc[] = ($which_ary['name'] != '') ? mail_encode(trim($which_ary['name'])) . ' <' . trim($which_ary['email']) . '>' : '<' . trim($which_ary['email']) . '>';
- $mail_rcpt['cc'][] = '<' . trim($which_ary['email']) . '>';
- }
- }
- $smtp = new smtp_class();
- $errno = 0;
- $errstr = '';
- $smtp->add_backtrace('Connecting to ' . $config['smtp_host'] . ':' . $config['smtp_port']);
- // Ok we have error checked as much as we can to this point let's get on it already.
- if (!class_exists('\phpbb\error_collector'))
- {
- global $phpbb_root_path, $phpEx;
- include($phpbb_root_path . 'includes/error_collector.' . $phpEx);
- }
- $collector = new \phpbb\error_collector;
- $collector->install();
- $options = array();
- $verify_peer = (bool) $config['smtp_verify_peer'];
- $verify_peer_name = (bool) $config['smtp_verify_peer_name'];
- $allow_self_signed = (bool) $config['smtp_allow_self_signed'];
- $remote_socket = $config['smtp_host'] . ':' . $config['smtp_port'];
- // Set ssl context options, see http://php.net/manual/en/context.ssl.php
- $options['ssl'] = array('verify_peer' => $verify_peer, 'verify_peer_name' => $verify_peer_name, 'allow_self_signed' => $allow_self_signed);
- $socket_context = stream_context_create($options);
- $smtp->socket = @stream_socket_client($remote_socket, $errno, $errstr, 20, STREAM_CLIENT_CONNECT, $socket_context);
- $collector->uninstall();
- $error_contents = $collector->format_errors();
- if (!$smtp->socket)
- {
- if ($errstr)
- {
- $errstr = utf8_convert_message($errstr);
- }
- $err_msg = (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr";
- $err_msg .= ($error_contents) ? '<br /><br />' . htmlspecialchars($error_contents) : '';
- return false;
- }
- // Wait for reply
- if ($err_msg = $smtp->server_parse('220', __LINE__))
- {
- $smtp->close_session($err_msg);
- return false;
- }
- // Let me in. This function handles the complete authentication process
- if ($err_msg = $smtp->log_into_server($config['smtp_host'], $config['smtp_username'], htmlspecialchars_decode($config['smtp_password']), $config['smtp_auth_method']))
- {
- $smtp->close_session($err_msg);
- return false;
- }
- // From this point onward most server response codes should be 250
- // Specify who the mail is from....
- $smtp->server_send('MAIL FROM:<' . $config['board_email'] . '>');
- if ($err_msg = $smtp->server_parse('250', __LINE__))
- {
- $smtp->close_session($err_msg);
- return false;
- }
- // Specify each user to send to and build to header.
- $to_header = implode(', ', $mail_to);
- $cc_header = implode(', ', $mail_cc);
- // Now tell the MTA to send the Message to the following people... [TO, BCC, CC]
- $rcpt = false;
- foreach ($mail_rcpt as $type => $mail_to_addresses)
- {
- foreach ($mail_to_addresses as $mail_to_address)
- {
- // Add an additional bit of error checking to the To field.
- if (preg_match('#[^ ]+\@[^ ]+#', $mail_to_address))
- {
- $smtp->server_send("RCPT TO:$mail_to_address");
- if ($err_msg = $smtp->server_parse('250', __LINE__))
- {
- // We continue... if users are not resolved we do not care
- if ($smtp->numeric_response_code != 550)
- {
- $smtp->close_session($err_msg);
- return false;
- }
- }
- else
- {
- $rcpt = true;
- }
- }
- }
- }
- // We try to send messages even if a few people do not seem to have valid email addresses, but if no one has, we have to exit here.
- if (!$rcpt)
- {
- $user->session_begin();
- $err_msg .= '<br /><br />';
- $err_msg .= (isset($user->lang['INVALID_EMAIL_LOG'])) ? sprintf($user->lang['INVALID_EMAIL_LOG'], htmlspecialchars($mail_to_address)) : '<strong>' . htmlspecialchars($mail_to_address) . '</strong> possibly an invalid email address?';
- $smtp->close_session($err_msg);
- return false;
- }
- // Ok now we tell the server we are ready to start sending data
- $smtp->server_send('DATA');
- // This is the last response code we look for until the end of the message.
- if ($err_msg = $smtp->server_parse('354', __LINE__))
- {
- $smtp->close_session($err_msg);
- return false;
- }
- // Send the Subject Line...
- $smtp->server_send("Subject: $subject");
- // Now the To Header.
- $to_header = ($to_header == '') ? 'undisclosed-recipients:;' : $to_header;
- $smtp->server_send("To: $to_header");
- // Now the CC Header.
- if ($cc_header != '')
- {
- $smtp->server_send("CC: $cc_header");
- }
- // Now any custom headers....
- if ($headers !== false)
- {
- $smtp->server_send("$headers\r\n");
- }
- // Ok now we are ready for the message...
- $smtp->server_send($message);
- // Ok the all the ingredients are mixed in let's cook this puppy...
- $smtp->server_send('.');
- if ($err_msg = $smtp->server_parse('250', __LINE__))
- {
- $smtp->close_session($err_msg);
- return false;
- }
- // Now tell the server we are done and close the socket...
- $smtp->server_send('QUIT');
- $smtp->close_session($err_msg);
- return true;
- }
- /**
- * SMTP Class
- * Auth Mechanisms originally taken from the AUTH Modules found within the PHP Extension and Application Repository (PEAR)
- * See docs/AUTHORS for more details
- */
- class smtp_class
- {
- var $server_response = '';
- var $socket = 0;
- protected $socket_tls = false;
- var $responses = array();
- var $commands = array();
- var $numeric_response_code = 0;
- var $backtrace = false;
- var $backtrace_log = array();
- function __construct()
- {
- // Always create a backtrace for admins to identify SMTP problems
- $this->backtrace = true;
- $this->backtrace_log = array();
- }
- /**
- * Add backtrace message for debugging
- */
- function add_backtrace($message)
- {
- if ($this->backtrace)
- {
- $this->backtrace_log[] = utf8_htmlspecialchars($message);
- }
- }
- /**
- * Send command to smtp server
- */
- function server_send($command, $private_info = false)
- {
- fputs($this->socket, $command . "\r\n");
- (!$private_info) ? $this->add_backtrace("# $command") : $this->add_backtrace('# Omitting sensitive information');
- // We could put additional code here
- }
- /**
- * We use the line to give the support people an indication at which command the error occurred
- */
- function server_parse($response, $line)
- {
- global $user;
- $this->server_response = '';
- $this->responses = array();
- $this->numeric_response_code = 0;
- while (substr($this->server_response, 3, 1) != ' ')
- {
- if (!($this->server_response = fgets($this->socket, 256)))
- {
- return (isset($user->lang['NO_EMAIL_RESPONSE_CODE'])) ? $user->lang['NO_EMAIL_RESPONSE_CODE'] : 'Could not get mail server response codes';
- }
- $this->responses[] = substr(rtrim($this->server_response), 4);
- $this->numeric_response_code = (int) substr($this->server_response, 0, 3);
- $this->add_backtrace("LINE: $line <- {$this->server_response}");
- }
- if (!(substr($this->server_response, 0, 3) == $response))
- {
- $this->numeric_response_code = (int) substr($this->server_response, 0, 3);
- return (isset($user->lang['EMAIL_SMTP_ERROR_RESPONSE'])) ? sprintf($user->lang['EMAIL_SMTP_ERROR_RESPONSE'], $line, $this->server_response) : "Ran into problems sending Mail at <strong>Line $line</strong>. Response: $this->server_response";
- }
- return 0;
- }
- /**
- * Close session
- */
- function close_session(&$err_msg)
- {
- fclose($this->socket);
- if ($this->backtrace)
- {
- $message = '<h1>Backtrace</h1><p>' . implode('<br />', $this->backtrace_log) . '</p>';
- $err_msg .= $message;
- }
- }
- /**
- * Log into server and get possible auth codes if neccessary
- */
- function log_into_server($hostname, $username, $password, $default_auth_method)
- {
- global $user;
- // Here we try to determine the *real* hostname (reverse DNS entry preferrably)
- $local_host = $user->host;
- if (function_exists('php_uname'))
- {
- $local_host = php_uname('n');
- // Able to resolve name to IP
- if (($addr = @gethostbyname($local_host)) !== $local_host)
- {
- // Able to resolve IP back to name
- if (($name = @gethostbyaddr($addr)) !== $addr)
- {
- $local_host = $name;
- }
- }
- }
- // If we are authenticating through pop-before-smtp, we
- // have to login ones before we get authenticated
- // NOTE: on some configurations the time between an update of the auth database takes so
- // long that the first email send does not work. This is not a biggie on a live board (only
- // the install mail will most likely fail) - but on a dynamic ip connection this might produce
- // severe problems and is not fixable!
- if ($default_auth_method == 'POP-BEFORE-SMTP' && $username && $password)
- {
- global $config;
- $errno = 0;
- $errstr = '';
- $this->server_send("QUIT");
- fclose($this->socket);
- $this->pop_before_smtp($hostname, $username, $password);
- $username = $password = $default_auth_method = '';
- // We need to close the previous session, else the server is not
- // able to get our ip for matching...
- if (!$this->socket = @fsockopen($config['smtp_host'], $config['smtp_port'], $errno, $errstr, 10))
- {
- if ($errstr)
- {
- $errstr = utf8_convert_message($errstr);
- }
- $err_msg = (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr";
- return $err_msg;
- }
- // Wait for reply
- if ($err_msg = $this->server_parse('220', __LINE__))
- {
- $this->close_session($err_msg);
- return $err_msg;
- }
- }
- $hello_result = $this->hello($local_host);
- if (!is_null($hello_result))
- {
- return $hello_result;
- }
- // SMTP STARTTLS (RFC 3207)
- if (!$this->socket_tls)
- {
- $this->socket_tls = $this->starttls();
- if ($this->socket_tls)
- {
- // Switched to TLS
- // RFC 3207: "The client MUST discard any knowledge obtained from the server, [...]"
- // So say hello again
- $hello_result = $this->hello($local_host);
- if (!is_null($hello_result))
- {
- return $hello_result;
- }
- }
- }
- // If we are not authenticated yet, something might be wrong if no username and passwd passed
- if (!$username || !$password)
- {
- return false;
- }
- if (!isset($this->commands['AUTH']))
- {
- return (isset($user->lang['SMTP_NO_AUTH_SUPPORT'])) ? $user->lang['SMTP_NO_AUTH_SUPPORT'] : 'SMTP server does not support authentication';
- }
- // Get best authentication method
- $available_methods = explode(' ', $this->commands['AUTH']);
- // Define the auth ordering if the default auth method was not found
- $auth_methods = array('PLAIN', 'LOGIN', 'CRAM-MD5', 'DIGEST-MD5');
- $method = '';
- if (in_array($default_auth_method, $available_methods))
- {
- $method = $default_auth_method;
- }
- else
- {
- foreach ($auth_methods as $_method)
- {
- if (in_array($_method, $available_methods))
- {
- $method = $_method;
- break;
- }
- }
- }
- if (!$method)
- {
- return (isset($user->lang['NO_SUPPORTED_AUTH_METHODS'])) ? $user->lang['NO_SUPPORTED_AUTH_METHODS'] : 'No supported authentication methods';
- }
- $method = strtolower(str_replace('-', '_', $method));
- return $this->$method($username, $password);
- }
- /**
- * SMTP EHLO/HELO
- *
- * @return mixed Null if the authentication process is supposed to continue
- * False if already authenticated
- * Error message (string) otherwise
- */
- protected function hello($hostname)
- {
- // Try EHLO first
- $this->server_send("EHLO $hostname");
- if ($err_msg = $this->server_parse('250', __LINE__))
- {
- // a 503 response code means that we're already authenticated
- if ($this->numeric_response_code == 503)
- {
- return false;
- }
- // If EHLO fails, we try HELO
- $this->server_send("HELO $hostname");
- if ($err_msg = $this->server_parse('250', __LINE__))
- {
- return ($this->numeric_response_code == 503) ? false : $err_msg;
- }
- }
- foreach ($this->responses as $response)
- {
- $response = explode(' ', $response);
- $response_code = $response[0];
- unset($response[0]);
- $this->commands[$response_code] = implode(' ', $response);
- }
- }
- /**
- * SMTP STARTTLS (RFC 3207)
- *
- * @return bool Returns true if TLS was started
- * Otherwise false
- */
- protected function starttls()
- {
- global $config;
- // allow SMTPS (what was used by phpBB 3.0) if hostname is prefixed with tls:// or ssl://
- if (strpos($config['smtp_host'], 'tls://') === 0 || strpos($config['smtp_host'], 'ssl://') === 0)
- {
- return true;
- }
- if (!function_exists('stream_socket_enable_crypto'))
- {
- return false;
- }
- if (!isset($this->commands['STARTTLS']))
- {
- return false;
- }
- $this->server_send('STARTTLS');
- if ($err_msg = $this->server_parse('220', __LINE__))
- {
- return false;
- }
- $result = false;
- $stream_meta = stream_get_meta_data($this->socket);
- if (socket_set_blocking($this->socket, 1))
- {
- // https://secure.php.net/manual/en/function.stream-socket-enable-crypto.php#119122
- $crypto = (phpbb_version_compare(PHP_VERSION, '5.6.7', '<')) ? STREAM_CRYPTO_METHOD_TLS_CLIENT : STREAM_CRYPTO_METHOD_SSLv23_CLIENT;
- $result = stream_socket_enable_crypto($this->socket, true, $crypto);
- socket_set_blocking($this->socket, (int) $stream_meta['blocked']);
- }
- return $result;
- }
- /**
- * Pop before smtp authentication
- */
- function pop_before_smtp($hostname, $username, $password)
- {
- global $user;
- if (!$this->socket = @fsockopen($hostname, 110, $errno, $errstr, 10))
- {
- if ($errstr)
- {
- $errstr = utf8_convert_message($errstr);
- }
- return (isset($user->lang['NO_CONNECT_TO_SMTP_HOST'])) ? sprintf($user->lang['NO_CONNECT_TO_SMTP_HOST'], $errno, $errstr) : "Could not connect to smtp host : $errno : $errstr";
- }
- $this->server_send("USER $username", true);
- if ($err_msg = $this->server_parse('+OK', __LINE__))
- {
- return $err_msg;
- }
- $this->server_send("PASS $password", true);
- if ($err_msg = $this->server_parse('+OK', __LINE__))
- {
- return $err_msg;
- }
- $this->server_send('QUIT');
- fclose($this->socket);
- return false;
- }
- /**
- * Plain authentication method
- */
- function plain($username, $password)
- {
- $this->server_send('AUTH PLAIN');
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return ($this->numeric_response_code == 503) ? false : $err_msg;
- }
- $base64_method_plain = base64_encode("\0" . $username . "\0" . $password);
- $this->server_send($base64_method_plain, true);
- if ($err_msg = $this->server_parse('235', __LINE__))
- {
- return $err_msg;
- }
- return false;
- }
- /**
- * Login authentication method
- */
- function login($username, $password)
- {
- $this->server_send('AUTH LOGIN');
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return ($this->numeric_response_code == 503) ? false : $err_msg;
- }
- $this->server_send(base64_encode($username), true);
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return $err_msg;
- }
- $this->server_send(base64_encode($password), true);
- if ($err_msg = $this->server_parse('235', __LINE__))
- {
- return $err_msg;
- }
- return false;
- }
- /**
- * cram_md5 authentication method
- */
- function cram_md5($username, $password)
- {
- $this->server_send('AUTH CRAM-MD5');
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return ($this->numeric_response_code == 503) ? false : $err_msg;
- }
- $md5_challenge = base64_decode($this->responses[0]);
- $password = (strlen($password) > 64) ? pack('H32', md5($password)) : ((strlen($password) < 64) ? str_pad($password, 64, chr(0)) : $password);
- $md5_digest = md5((substr($password, 0, 64) ^ str_repeat(chr(0x5C), 64)) . (pack('H32', md5((substr($password, 0, 64) ^ str_repeat(chr(0x36), 64)) . $md5_challenge))));
- $base64_method_cram_md5 = base64_encode($username . ' ' . $md5_digest);
- $this->server_send($base64_method_cram_md5, true);
- if ($err_msg = $this->server_parse('235', __LINE__))
- {
- return $err_msg;
- }
- return false;
- }
- /**
- * digest_md5 authentication method
- * A real pain in the ***
- */
- function digest_md5($username, $password)
- {
- global $config, $user;
- $this->server_send('AUTH DIGEST-MD5');
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return ($this->numeric_response_code == 503) ? false : $err_msg;
- }
- $md5_challenge = base64_decode($this->responses[0]);
- // Parse the md5 challenge - from AUTH_SASL (PEAR)
- $tokens = array();
- while (preg_match('/^([a-z-]+)=("[^"]+(?<!\\\)"|[^,]+)/i', $md5_challenge, $matches))
- {
- // Ignore these as per rfc2831
- if ($matches[1] == 'opaque' || $matches[1] == 'domain')
- {
- $md5_challenge = substr($md5_challenge, strlen($matches[0]) + 1);
- continue;
- }
- // Allowed multiple "realm" and "auth-param"
- if (!empty($tokens[$matches[1]]) && ($matches[1] == 'realm' || $matches[1] == 'auth-param'))
- {
- if (is_array($tokens[$matches[1]]))
- {
- $tokens[$matches[1]][] = preg_replace('/^"(.*)"$/', '\\1', $matches[2]);
- }
- else
- {
- $tokens[$matches[1]] = array($tokens[$matches[1]], preg_replace('/^"(.*)"$/', '\\1', $matches[2]));
- }
- }
- else if (!empty($tokens[$matches[1]])) // Any other multiple instance = failure
- {
- $tokens = array();
- break;
- }
- else
- {
- $tokens[$matches[1]] = preg_replace('/^"(.*)"$/', '\\1', $matches[2]);
- }
- // Remove the just parsed directive from the challenge
- $md5_challenge = substr($md5_challenge, strlen($matches[0]) + 1);
- }
- // Realm
- if (empty($tokens['realm']))
- {
- $tokens['realm'] = (function_exists('php_uname')) ? php_uname('n') : $user->host;
- }
- // Maxbuf
- if (empty($tokens['maxbuf']))
- {
- $tokens['maxbuf'] = 65536;
- }
- // Required: nonce, algorithm
- if (empty($tokens['nonce']) || empty($tokens['algorithm']))
- {
- $tokens = array();
- }
- $md5_challenge = $tokens;
- if (!empty($md5_challenge))
- {
- $str = '';
- for ($i = 0; $i < 32; $i++)
- {
- $str .= chr(mt_rand(0, 255));
- }
- $cnonce = base64_encode($str);
- $digest_uri = 'smtp/' . $config['smtp_host'];
- $auth_1 = sprintf('%s:%s:%s', pack('H32', md5(sprintf('%s:%s:%s', $username, $md5_challenge['realm'], $password))), $md5_challenge['nonce'], $cnonce);
- $auth_2 = 'AUTHENTICATE:' . $digest_uri;
- $response_value = md5(sprintf('%s:%s:00000001:%s:auth:%s', md5($auth_1), $md5_challenge['nonce'], $cnonce, md5($auth_2)));
- $input_string = sprintf('username="%s",realm="%s",nonce="%s",cnonce="%s",nc="00000001",qop=auth,digest-uri="%s",response=%s,%d', $username, $md5_challenge['realm'], $md5_challenge['nonce'], $cnonce, $digest_uri, $response_value, $md5_challenge['maxbuf']);
- }
- else
- {
- return (isset($user->lang['INVALID_DIGEST_CHALLENGE'])) ? $user->lang['INVALID_DIGEST_CHALLENGE'] : 'Invalid digest challenge';
- }
- $base64_method_digest_md5 = base64_encode($input_string);
- $this->server_send($base64_method_digest_md5, true);
- if ($err_msg = $this->server_parse('334', __LINE__))
- {
- return $err_msg;
- }
- $this->server_send(' ');
- if ($err_msg = $this->server_parse('235', __LINE__))
- {
- return $err_msg;
- }
- return false;
- }
- }
- /**
- * Encodes the given string for proper display in UTF-8.
- *
- * This version is using base64 encoded data. The downside of this
- * is if the mail client does not understand this encoding the user
- * is basically doomed with an unreadable subject.
- *
- * Please note that this version fully supports RFC 2045 section 6.8.
- *
- * @param string $eol End of line we are using (optional to be backwards compatible)
- */
- function mail_encode($str, $eol = "\r\n")
- {
- // define start delimimter, end delimiter and spacer
- $start = "=?UTF-8?B?";
- $end = "?=";
- $delimiter = "$eol ";
- // Maximum length is 75. $split_length *must* be a multiple of 4, but <= 75 - strlen($start . $delimiter . $end)!!!
- $split_length = 60;
- $encoded_str = base64_encode($str);
- // If encoded string meets the limits, we just return with the correct data.
- if (strlen($encoded_str) <= $split_length)
- {
- return $start . $encoded_str . $end;
- }
- // If there is only ASCII data, we just return what we want, correctly splitting the lines.
- if (strlen($str) === utf8_strlen($str))
- {
- return $start . implode($end . $delimiter . $start, str_split($encoded_str, $split_length)) . $end;
- }
- // UTF-8 data, compose encoded lines
- $array = utf8_str_split($str);
- $str = '';
- while (count($array))
- {
- $text = '';
- while (count($array) && intval((strlen($text . $array[0]) + 2) / 3) << 2 <= $split_length)
- {
- $text .= array_shift($array);
- }
- $str .= $start . base64_encode($text) . $end . $delimiter;
- }
- return substr($str, 0, -strlen($delimiter));
- }
- /**
- * Wrapper for sending out emails with the PHP's mail function
- */
- function phpbb_mail($to, $subject, $msg, $headers, $eol, &$err_msg)
- {
- global $config, $phpbb_root_path, $phpEx;
- // Convert Numeric Character References to UTF-8 chars (ie. Emojis)
- $subject = utf8_decode_ncr($subject);
- $msg = utf8_decode_ncr($msg);
- /**
- * We use the EOL character for the OS here because the PHP mail function does not correctly transform line endings.
- * On Windows SMTP is used (SMTP is \r\n), on UNIX a command is used...
- * Reference: http://bugs.php.net/bug.php?id=15841
- */
- $headers = implode($eol, $headers);
- if …
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