<?php
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/*
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class mail_plugin {
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var $plugin_name = 'mail_plugin';
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var $class_name = 'mail_plugin';
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//* This function is called during ispconfig installation to determine
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// if a symlink shall be created for this plugin.
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function onInstall() {
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global $conf;
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if($conf['services']['mail'] == true) {
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return true;
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} else {
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return false;
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}
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}
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/*
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This function is called when the plugin is loaded
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*/
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function onLoad() {
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global $app;
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/*
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Register for the events
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*/
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//* Mailboxes
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$app->plugins->registerEvent('mail_user_insert', $this->plugin_name, 'user_insert');
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$app->plugins->registerEvent('mail_user_update', $this->plugin_name, 'user_update');
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$app->plugins->registerEvent('mail_user_delete', $this->plugin_name, 'user_delete');
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//* Mail Domains
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//$app->plugins->registerEvent('mail_domain_insert',$this->plugin_name,'domain_insert');
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//$app->plugins->registerEvent('mail_domain_update',$this->plugin_name,'domain_update');
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$app->plugins->registerEvent('mail_domain_delete', $this->plugin_name, 'domain_delete');
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//* Mail transports
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$app->plugins->registerEvent('mail_transport_insert', $this->plugin_name, 'transport_update');
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$app->plugins->registerEvent('mail_transport_update', $this->plugin_name, 'transport_update');
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$app->plugins->registerEvent('mail_transport_delete', $this->plugin_name, 'transport_update');
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}
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function user_insert($event_name, $data) {
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global $app, $conf;
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//* get the config
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$app->uses('getconf,system');
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$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
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// convert to lower case - it could cause problems if some directory above has upper case name
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// $data['new']['maildir'] = strtolower($data['new']['maildir']);
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$maildomain_path = $data['new']['maildir'];
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$tmp_basepath = $data['new']['maildir'];
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$tmp_basepath_parts = explode('/', $tmp_basepath);
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unset($tmp_basepath_parts[count($tmp_basepath_parts)-1]);
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$base_path = implode('/', $tmp_basepath_parts);
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//* Create the mail domain directory, if it does not exist
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if(!empty($base_path) && !is_dir($base_path)) {
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//exec("su -c 'mkdir -p ".escapeshellcmd($base_path)."' ".$mail_config['mailuser_name']);
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$app->system->mkdirpath($base_path, 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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$app->log('Created Directory: '.$base_path, LOGLEVEL_DEBUG);
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}
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// Dovecot uses a different mail layout with a separate 'Maildir' subdirectory.
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if($mail_config['pop3_imap_daemon'] == 'dovecot') {
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//exec("su -c 'mkdir -p ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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$app->system->mkdirpath($maildomain_path, 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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$app->log('Created Directory: '.$maildomain_path, LOGLEVEL_DEBUG);
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$maildomain_path .= '/Maildir';
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}
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//* When the mail user dir exists but it is not a valid maildir, move it to corrupted maildir folder
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if(!empty($maildomain_path) && is_dir($maildomain_path) && !is_dir($maildomain_path.'/new') && !is_dir($maildomain_path.'/cur')) {
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if(!is_dir($mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id'])) $app->system->mkdirpath($mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id'], 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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exec("su -c 'mv -f ".escapeshellcmd($data['new']['maildir'])." ".$mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id']."' vmail");
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$app->log('Moved invalid maildir to corrupted Maildirs folder: '.escapeshellcmd($data['new']['maildir']), LOGLEVEL_WARN);
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}
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//* Create the maildir, if it doesn not exist, set permissions, set quota.
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if(!empty($maildomain_path) && !is_dir($maildomain_path)) {
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//exec("su -c 'maildirmake ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name']);
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exec('chown -R '.$mail_config['mailuser_name'].':'.$mail_config['mailuser_group'].' '.escapeshellcmd($data['new']['maildir']));
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$app->log('Set ownership on '.escapeshellcmd($data['new']['maildir']), LOGLEVEL_DEBUG);
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//* This is to fix the maildrop quota not being rebuilt after the quota is changed.
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if($mail_config['pop3_imap_daemon'] != 'dovecot') {
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if(is_dir($maildomain_path)) exec("su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']); // Avoid maildirmake quota bug, see debian bug #214911
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$app->log('Created Maildir: '."su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'], LOGLEVEL_DEBUG);
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}
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}
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if(!is_dir($data['new']['maildir'].'/.Sent')) {
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//exec("su -c 'maildirmake -f Sent ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Sent: '."su -c 'maildirmake -f Sent ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Sent');
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}
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if(!is_dir($data['new']['maildir'].'/.Drafts')) {
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//exec("su -c 'maildirmake -f Drafts ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Drafts: '."su -c 'maildirmake -f Drafts ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Drafts');
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}
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if(!is_dir($data['new']['maildir'].'/.Trash')) {
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//exec("su -c 'maildirmake -f Trash ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Trash: '."su -c 'maildirmake -f Trash ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Trash');
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}
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if(!is_dir($data['new']['maildir'].'/.Junk')) {
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//exec("su -c 'maildirmake -f Junk ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Junk: '."su -c 'maildirmake -f Junk ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Junk');
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}
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//* Set the maildir quota
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if(is_dir($data['new']['maildir'].'/new') && $mail_config['pop3_imap_daemon'] != 'dovecot') {
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if($data['new']['quota'] > 0) {
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if(is_dir($data['new']['maildir'])) exec("su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($data['new']['maildir'])."' ".$mail_config['mailuser_name']);
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$app->log('Set Maildir quota: '."su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($data['new']['maildir'])."' ".$mail_config['mailuser_name'], LOGLEVEL_DEBUG);
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}
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}
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//* Send the welcome email message
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if(file_exists($conf['rootpath'].'/conf-custom/mail/welcome_email_'.$conf['language'].'.txt')) {
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$lines = file($conf['rootpath'].'/conf-custom/mail/welcome_email_'.$conf['language'].'.txt');
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} elseif(file_exists($conf['rootpath'].'/conf-custom/mail/welcome_email_en.txt')) {
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$lines = file($conf['rootpath'].'/conf-custom/mail/welcome_email_en.txt');
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} elseif(file_exists($conf['rootpath'].'/conf/mail/welcome_email_'.$conf['language'].'.txt')) {
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$lines = file($conf['rootpath'].'/conf/mail/welcome_email_'.$conf['language'].'.txt');
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} else {
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$lines = file($conf['rootpath'].'/conf/mail/welcome_email_en.txt');
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}
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//* Get from address
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$parts = explode(':', trim($lines[0]));
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unset($parts[0]);
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$welcome_mail_from = implode(':', $parts);
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unset($lines[0]);
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//* Get subject
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$parts = explode(':', trim($lines[1]));
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unset($parts[0]);
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$welcome_mail_subject = implode(':', $parts);
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unset($lines[1]);
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//* Get message
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$welcome_mail_message = trim(implode($lines));
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unset($tmp);
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$mailHeaders = "MIME-Version: 1.0" . "\n";
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$mailHeaders .= "Content-type: text/plain; charset=utf-8" . "\n";
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$mailHeaders .= "Content-Transfer-Encoding: 8bit" . "\n";
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$mailHeaders .= "From: $welcome_mail_from" . "\n";
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$mailHeaders .= "Reply-To: $welcome_mail_from" . "\n";
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$mailTarget = $data["new"]["email"];
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$mailSubject = "=?utf-8?B?".base64_encode($welcome_mail_subject)."?=";
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//* Send the welcome email only on the "master" mail server to avoid duplicate emails
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if($conf['mirror_server_id'] == 0) mail($mailTarget, $mailSubject, $welcome_mail_message, $mailHeaders);
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}
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function user_update($event_name, $data) {
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global $app, $conf;
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// get the config
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$app->uses('getconf,system');
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$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
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// convert to lower case - it could cause problems if some directory above has upper case name
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// $data['new']['maildir'] = strtolower($data['new']['maildir']);
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// Create the maildir, if it does not exist
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/*
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if(!is_dir($data['new']['maildir'])) {
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mkdir(escapeshellcmd($data['new']['maildir']), 0, true);
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chown(escapeshellcmd($data['new']['maildir']), $mail_config['mailuser_name']);
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chgrp(escapeshellcmd($data['new']['maildir']), $mail_config['mailuser_group']);
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$app->log('Created Maildir: '.$data['new']['maildir'],LOGLEVEL_DEBUG);
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}
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*/
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$maildomain_path = $data['new']['maildir'];
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$tmp_basepath = $data['new']['maildir'];
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$tmp_basepath_parts = explode('/', $tmp_basepath);
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unset($tmp_basepath_parts[count($tmp_basepath_parts)-1]);
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$base_path = implode('/', $tmp_basepath_parts);
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//* Create the mail domain directory, if it does not exist
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if(!empty($base_path) && !is_dir($base_path)) {
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//exec("su -c 'mkdir -p ".escapeshellcmd($base_path)."' ".$mail_config['mailuser_name']);
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$app->system->mkdirpath($base_path, 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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$app->log('Created Directory: '.$base_path, LOGLEVEL_DEBUG);
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}
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// Dovecot uses a different mail layout with a separate 'Maildir' subdirectory.
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if($mail_config['pop3_imap_daemon'] == 'dovecot') {
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$app->system->mkdirpath($maildomain_path, 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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$app->log('Created Directory: '.$base_path, LOGLEVEL_DEBUG);
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$maildomain_path .= '/Maildir';
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}
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//* When the mail user dir exists but it is not a valid maildir, move it to corrupted maildir folder
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if(!empty($maildomain_path) && is_dir($maildomain_path) && !is_dir($maildomain_path.'/new') && !is_dir($maildomain_path.'/cur')) {
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if(!is_dir($mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id'])) $app->system->mkdirpath($mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id'], 0700, $mail_config['mailuser_name'], $mail_config['mailuser_group']);
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exec("su -c 'mv -f ".escapeshellcmd($data['new']['maildir'])." ".$mail_config['homedir_path'].'/corrupted/'.$data['new']['mailuser_id']."' vmail");
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$app->log('Moved invalid maildir to corrupted Maildirs folder: '.escapeshellcmd($data['new']['maildir']), LOGLEVEL_WARN);
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}
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//* Create the maildir, if it doesn not exist, set permissions, set quota.
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if(!empty($maildomain_path) && !is_dir($maildomain_path.'/new')) {
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//exec("su -c 'maildirmake ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log("Created Maildir "."su -c 'maildirmake ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name']);
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exec('chown -R '.$mail_config['mailuser_name'].':'.$mail_config['mailuser_group'].' '.escapeshellcmd($data['new']['maildir']));
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$app->log('Set ownership on '.escapeshellcmd($data['new']['maildir']), LOGLEVEL_DEBUG);
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//* This is to fix the maildrop quota not being rebuilt after the quota is changed.
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if($mail_config['pop3_imap_daemon'] != 'dovecot') {
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if($data['new']['quota'] > 0) {
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if(is_dir($maildomain_path)) exec("su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']); // Avoid maildirmake quota bug, see debian bug #214911
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$app->log('Updated Maildir quota: '."su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'], LOGLEVEL_DEBUG);
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} else {
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if(file_exists($data['new']['maildir'].'/maildirsize')) unlink($data['new']['maildir'].'/maildirsize');
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$app->log('Set Maildir quota to unlimited.', LOGLEVEL_DEBUG);
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}
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}
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}
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if(!is_dir($data['new']['maildir'].'/.Sent')) {
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//exec("su -c 'maildirmake -f Sent ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Sent: '."su -c 'maildirmake -f Sent ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Sent');
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}
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if(!is_dir($data['new']['maildir'].'/.Drafts')) {
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//exec("su -c 'maildirmake -f Drafts ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Drafts: '."su -c 'maildirmake -f Drafts ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Drafts');
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}
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if(!is_dir($data['new']['maildir'].'/.Trash')) {
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//exec("su -c 'maildirmake -f Trash ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Trash: '."su -c 'maildirmake -f Trash ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Trash');
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}
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if(!is_dir($data['new']['maildir'].'/.Junk')) {
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//exec("su -c 'maildirmake -f Junk ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name']);
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//$app->log('Created submaildir Junk: '."su -c 'maildirmake -f Junk ".escapeshellcmd($maildomain_path)."' ".$mail_config['mailuser_name'],LOGLEVEL_DEBUG);
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$app->system->maildirmake($maildomain_path, $mail_config['mailuser_name'], 'Junk');
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}
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// Move mailbox, if domain has changed and delete old mailbox
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if($data['new']['maildir'] != $data['old']['maildir'] && is_dir($data['old']['maildir'])) {
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if(is_dir($data['new']['maildir'])) {
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exec("rm -fr ".escapeshellcmd($data['new']['maildir']));
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//rmdir($data['new']['maildir']);
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}
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exec('mv -f '.escapeshellcmd($data['old']['maildir']).' '.escapeshellcmd($data['new']['maildir']));
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// exec('mv -f '.escapeshellcmd($data['old']['maildir']).'/* '.escapeshellcmd($data['new']['maildir']));
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// if(is_file($data['old']['maildir'].'.ispconfig_mailsize'))exec('mv -f '.escapeshellcmd($data['old']['maildir']).'.ispconfig_mailsize '.escapeshellcmd($data['new']['maildir']));
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// rmdir($data['old']['maildir']);
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$app->log('Moved Maildir from: '.$data['old']['maildir'].' to '.$data['new']['maildir'], LOGLEVEL_DEBUG);
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}
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//This is to fix the maildrop quota not being rebuilt after the quota is changed.
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// Courier Layout
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if(is_dir($data['new']['maildir'].'/new') && $mail_config['pop3_imap_daemon'] != 'dovecot') {
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if($data['new']['quota'] > 0) {
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if(is_dir($data['new']['maildir'])) exec("su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($data['new']['maildir'])."' ".$mail_config['mailuser_name']);
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$app->log('Updated Maildir quota: '."su -c 'maildirmake -q ".$data['new']['quota']."S ".escapeshellcmd($data['new']['maildir'])."' ".$mail_config['mailuser_name'], LOGLEVEL_DEBUG);
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} else {
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if(file_exists($data['new']['maildir'].'/maildirsize')) unlink($data['new']['maildir'].'/maildirsize');
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$app->log('Set Maildir quota to unlimited.', LOGLEVEL_DEBUG);
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}
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}
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}
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function user_delete($event_name, $data) {
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global $app, $conf;
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// get the config
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$app->uses("getconf");
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$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
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$old_maildir_path = escapeshellcmd($data['old']['maildir']);
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if($old_maildir_path != $mail_config['homedir_path'] && strlen($old_maildir_path) > strlen($mail_config['homedir_path']) && !stristr($old_maildir_path, '//') && !stristr($old_maildir_path, '..') && !stristr($old_maildir_path, '*') && strlen($old_maildir_path) >= 10) {
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exec('rm -rf '.escapeshellcmd($old_maildir_path));
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$app->log('Deleted the Maildir: '.$data['old']['maildir'], LOGLEVEL_DEBUG);
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} else {
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$app->log('Possible security violation when deleting the maildir: '.$data['old']['maildir'], LOGLEVEL_ERROR);
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}
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}
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function domain_delete($event_name, $data) {
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global $app, $conf;
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// get the config
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$app->uses("getconf");
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$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
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//* Delete maildomain path
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$old_maildomain_path = escapeshellcmd($mail_config['homedir_path'].'/'.$data['old']['domain']);
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if($old_maildomain_path != $mail_config['homedir_path'] && !stristr($old_maildomain_path, '//') && !stristr($old_maildomain_path, '..') && !stristr($old_maildomain_path, '*') && !stristr($old_maildomain_path, '&') && strlen($old_maildomain_path) >= 10 && !empty($data['old']['domain'])) {
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exec('rm -rf '.escapeshellcmd($old_maildomain_path));
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$app->log('Deleted the mail domain directory: '.$old_maildomain_path, LOGLEVEL_DEBUG);
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} else {
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$app->log('Possible security violation when deleting the mail domain directory: '.$old_maildomain_path, LOGLEVEL_ERROR);
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}
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//* Delete mailfilter path
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$old_maildomain_path = escapeshellcmd($mail_config['homedir_path'].'/mailfilters/'.$data['old']['domain']);
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if($old_maildomain_path != $mail_config['homedir_path'].'/mailfilters/' && !stristr($old_maildomain_path, '//') && !stristr($old_maildomain_path, '..') && !stristr($old_maildomain_path, '*') && !stristr($old_maildomain_path, '&') && strlen($old_maildomain_path) >= 10 && !empty($data['old']['domain'])) {
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exec('rm -rf '.escapeshellcmd($old_maildomain_path));
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$app->log('Deleted the mail domain mailfilter directory: '.$old_maildomain_path, LOGLEVEL_DEBUG);
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} else {
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$app->log('Possible security violation when deleting the mail domain mailfilter directory: '.$old_maildomain_path, LOGLEVEL_ERROR);
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}
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}
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function transport_update($event_name, $data) {
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global $app, $conf;
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exec($conf['init_scripts'] . '/' . 'postfix reload &> /dev/null');
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$app->log('Postfix config reloaded ', LOGLEVEL_DEBUG);
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}
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} // end class
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?>
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