Merge pull request #112 from ivandiazwm/master

Prepare 4.1.1

README.md

@@ -1,6 +1,6 @@
 ![OpenSupports](http://www.opensupports.com/logo.png)
 
-[![Build Status](https://travis-ci.org/opensupports/opensupports.svg?branch=master)](https://travis-ci.org/opensupports/opensupports) v4.1.0
+[![Build Status](https://travis-ci.org/opensupports/opensupports.svg?branch=master)](https://travis-ci.org/opensupports/opensupports) v4.1.1
 
 OpenSupports is an open source ticket system built primarly with PHP and ReactJS.
 Please, visit our website for more information: [http://www.opensupports.com/](http://www.opensupports.com/)
@@ -77,7 +77,7 @@ Just as there is the `gulp dev` task for development, there is also a `gulp prod
 4. Run the MySQL server
 
     `sudo /etc/init.d/mysql start`
-    
+
 ##### BACKEND API RUBY TESTING
 
 1. Install ruby `sudo apt-get install ruby-full`

client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "OpenSupports",
-  "version": "4.1.0",
+  "version": "4.1.1",
   "author": "Ivan Diaz <contact@opensupports.com>",
   "description": "Open source ticket system made with PHP and ReactJS",
   "repository": {

server/controllers/system/init-settings.php

@@ -83,9 +83,10 @@ class InitSettingsController extends Controller {
             'registration' => !!Controller::request('registration'),
             'user-system-enabled' => !!Controller::request('user-system-enabled'),
             'last-stat-day' => date('YmdHi', strtotime(' -12 day ')),
-            'ticket-gap' => Hashing::generateRandomPrime(1000000, 9999999),
+            'ticket-gap' => Hashing::generateRandomPrime(100000, 999999),
-            'file-gap' => Hashing::generateRandomPrime(1000000, 9999999),
+            'ticket-first-number' => Hashing::generateRandomNumber(100000, 999999),
-            'file-first-number' => Hashing::generateRandomNumber(1000000, 9999999),
+            'file-gap' => Hashing::generateRandomPrime(100000, 999999),
+            'file-first-number' => Hashing::generateRandomNumber(100000, 999999),
             'file-quantity' => 0,
             'session-prefix' => 'opensupports-'.Hashing::generateRandomToken().'_'
         ]);

server/libs/LinearCongruentialGenerator.php

@@ -26,8 +26,4 @@ class LinearCongruentialGenerator {
 
         return ($this->first - $this->min + $offset * $this->gap) % ($this->max - $this->min + 1) + $this->min;
     }
-
-    public function generateFirst() {
-        return Hashing::generateRandomNumber($this->min, $this->max);
-    }
 }

server/libs/MailSender.php

@@ -36,10 +36,10 @@ class MailSender {
     public function setTemplate($type, $config) {
         $mailTemplate = MailTemplate::getTemplate($type);
         $compiledMailContent = $mailTemplate->compile($config);
-        
+
         $this->mailOptions = array_merge($this->mailOptions, $compiledMailContent);
     }
-    
+
     public function send() {
         $mailerInstance = $this->getMailerInstance();
 
@@ -49,6 +49,7 @@ class MailSender {
             throw new Exception('Mail sending data not available');
         }
 
+        $mailerInstance->ClearAllRecipients();
         $mailerInstance->addAddress($this->mailOptions['to']);
         $mailerInstance->Subject = $this->mailOptions['subject'];
         $mailerInstance->Body = $this->mailOptions['body'];
@@ -88,4 +89,4 @@ class MailSender {
 
         return $this->mailerInstance;
     }
-}
+}

server/models/Ticket.php

@@ -78,10 +78,10 @@ class Ticket extends DataStore {
         $ticketQuantity = Ticket::count();
 
         if ($ticketQuantity === 0) {
-            $ticketNumber = $linearCongruentialGenerator->generateFirst();
+            $ticketNumber = Setting::getSetting('ticket-first-number')->value;
         } else {
             $linearCongruentialGenerator->setGap(Setting::getSetting('ticket-gap')->value);
-            $linearCongruentialGenerator->setFirst(Ticket::getTicket(1)->ticketNumber);
+            $linearCongruentialGenerator->setFirst(Setting::getSetting('ticket-first-number')->value);
 
             $ticketNumber = $linearCongruentialGenerator->generate($ticketQuantity);
         }

server/tests/libs/LinearCongruentialGeneratorTest.php

@@ -16,7 +16,7 @@ class LinearCongruentialGeneratorTest extends TestCase {
             $linearCongruentialGenerator = new LinearCongruentialGenerator();
             $linearCongruentialGenerator->setRange($min, $max);
             $linearCongruentialGenerator->setGap(Hashing::generateRandomPrime($min, $max));
-            $linearCongruentialGenerator->setFirst($linearCongruentialGenerator->generateFirst());
+            $linearCongruentialGenerator->setFirst(Hashing::generateRandomNumber($min, $max));
 
             $used = [];
 

version_upgrades/4.1.0/4.1.0.php

@@ -0,0 +1,4 @@
+<?php
+require_once '../mysql_connect.php';
+
+$mysql->query(file_get_contents('./4.1.0.sql'));

version_upgrades/4.1.1/4.1.1.php

@@ -0,0 +1,100 @@
+<?php
+require_once '../mysql_connect.php';
+
+require_once './libs/Hashing.php';
+require_once './libs/LinearCongruentialGenerator.php';
+require_once './libs/MailSender.php';
+
+$ticketGap = Hashing::generateRandomPrime(1000000, 9999999);
+$fileGap = Hashing::generateRandomPrime(1000000, 9999999);
+$ticketFirstNumber = Hashing::generateRandomNumber(1000000, 9999999);
+$fileFirstNumber = Hashing::generateRandomNumber(1000000, 9999999);
+
+$mysql->query("UPDATE setting SET value='$ticketGap' WHERE name='ticket-gap'");
+$mysql->query("UPDATE setting SET value='$fileGap' WHERE name='file-gap'");
+$mysql->query("UPDATE setting SET value='$ticketFirstNumber' WHERE name='ticket-first-number'");
+$mysql->query("UPDATE setting SET value='$fileFirstNumber' WHERE name='file-first-number'");
+
+$smtpHost = $mysql->query("SELECT value FROM setting WHERE name='smtp-host'")->fetch_array(MYSQLI_ASSOC)['value'];
+$smtpPort = $mysql->query("SELECT value FROM setting WHERE name='smtp-port'")->fetch_array(MYSQLI_ASSOC)['value'];
+$smtpUser = $mysql->query("SELECT value FROM setting WHERE name='smtp-user'")->fetch_array(MYSQLI_ASSOC)['value'];
+$smtpPassword = $mysql->query("SELECT value FROM setting WHERE name='smtp-pass'")->fetch_array(MYSQLI_ASSOC)['value'];
+$noReplyEmail = $mysql->query("SELECT value FROM setting WHERE name='no-reply-email'")->fetch_array(MYSQLI_ASSOC)['value'];
+$userSystemEnabled = $mysql->query("SELECT value FROM setting WHERE name='user-system-enabled'")->fetch_array(MYSQLI_ASSOC)['value'];
+$url = $mysql->query("SELECT value FROM setting WHERE name='url'")->fetch_array(MYSQLI_ASSOC)['value'];
+
+$mailSender = MailSender::getInstance();
+$mailSender->setConnectionSettings(
+    $smtpHost, $smtpPort, $smtpUser, $smtpPassword, $noReplyEmail
+);
+
+function compileString($string, $config) {
+    $compiledString = $string;
+
+    foreach ($config as $configName => $configValue) {
+        $compiledString = str_replace("{{{$configName}}}", $configValue, $compiledString);
+    }
+
+    return $compiledString;
+}
+
+$migrationMail = file_get_contents('./libs/migration-mail.html');
+
+if($tickets = $mysql->query("SELECT * FROM ticket ORDER BY id ASC")) {
+    $linearCongruentialGenerator = new LinearCongruentialGenerator();
+    $linearCongruentialGenerator->setGap($ticketGap);
+    $linearCongruentialGenerator->setFirst($ticketFirstNumber);
+    $offset = 0;
+    $emails = [];
+
+    while($ticket = $tickets->fetch_assoc()) {
+        $ticketId = $ticket['id'];
+        $ticketNumber = $linearCongruentialGenerator->generate($offset);
+
+        $mysql->query("UPDATE ticket SET ticket_number='$ticketNumber' WHERE id='$ticketId'");
+
+        if(array_key_exists('author_email', $ticket) && $ticket['author_email']) {
+            if(!array_key_exists($ticket['author_email'], $emails)) {
+                $emails[$ticket['author_email']] = [];
+            }
+
+            array_push(
+                $emails[$ticket['author_email']],
+                [
+                    'old_number' => $ticket['ticket_number'],
+                    'new_number' => $ticketNumber,
+                    'title' => $ticket['title']
+                ]
+            );
+        }
+
+        $offset++;
+    }
+
+    foreach($emails as $email => $emailTickets) {
+        $ticketString = '';
+
+        foreach($emailTickets as $ticket) {
+            $ticketString .= '<p>';
+            $ticketString .= $ticket['old_number'];
+            $ticketString .= ' => ';
+            $ticketString .= $ticket['new_number'];
+            $ticketString .= ' ';
+            $ticketString .= htmlentities($ticket['title']);
+            $ticketString .= '</p>';
+            $ticketString .= PHP_EOL;
+        }
+
+        $mailSender->setMailContent([
+            'to' => $email,
+            'subject' => 'Tickets have been updated',
+            'body' => compileString($migrationMail, [
+                'url' => $url,
+                'email' => $email,
+                'tickets' => $ticketString,
+            ])
+        ]);
+
+        $mailSender->send();
+    }
+}

version_upgrades/4.1.1/libs/Hashing.php

@@ -0,0 +1,44 @@
+<?php
+class Hashing {
+    public static function hashPassword($password) {
+        return password_hash($password, PASSWORD_DEFAULT);
+    }
+
+    public static function verifyPassword($password, $hash) {
+        return password_verify($password, $hash);
+    }
+
+    public static function generateRandomToken() {
+        return md5(uniqid(rand()));
+    }
+
+    public static function generateRandomNumber($min, $max) {
+        return rand($min, $max);
+    }
+
+    public static function generateRandomPrime($min, $max) {
+        $number = Hashing::generateRandomNumber($min, $max);
+
+        while(!Hashing::isPrime($number)) {
+            $number = Hashing::generateRandomNumber($min, $max);
+        }
+
+        return $number;
+    }
+
+    public static function isPrime($number) {
+        $sqrt = sqrt($number);
+        $prime = true;
+
+        if($number <= 1) return false;
+
+        for($i = 2; $i <= $sqrt; $i++) {
+            if($number % $i === 0) {
+                $prime = false;
+                break;
+            }
+        }
+
+        return $prime;
+    }
+}

version_upgrades/4.1.1/libs/LinearCongruentialGenerator.php

@@ -0,0 +1,29 @@
+<?php
+class LinearCongruentialGenerator {
+    private $gap;
+    private $first;
+    private $min = 100000;
+    private $max = 999999;
+
+    public function setRange($min, $max) {
+        $this->min = $min;
+        $this->max = $max;
+    }
+
+    public function setGap($gap) {
+        if(!Hashing::isPrime($gap)) throw new Exception('LinearCongruentialGenerator: gap must be prime');
+
+        $this->gap = $gap;
+    }
+
+    public function setFirst($first) {
+        $this->first = $first;
+    }
+
+    public function generate($offset) {
+        if(!$this->first) throw new Exception('LinearCongruentialGenerator: first is not set');
+        if(!$this->gap) throw new Exception('LinearCongruentialGenerator: gap is not set');
+
+        return ($this->first - $this->min + $offset * $this->gap) % ($this->max - $this->min + 1) + $this->min;
+    }
+}

version_upgrades/4.1.1/libs/MailSender.php

@@ -0,0 +1,83 @@
+<?php
+require_once '../../server/vendor/autoload.php';
+
+class MailSender {
+
+    private $mailOptions = [];
+    private $mailerInstance;
+    private static $instance = NULL;
+
+    public static function getInstance() {
+        if(MailSender::$instance === NULL) {
+            MailSender::$instance = new MailSender();
+        }
+
+        return MailSender::$instance;
+    }
+
+    private function __construct() {}
+
+    public function setConnectionSettings($host, $port, $user, $pass, $noReplyEmail) {
+        $this->mailOptions['from'] = $noReplyEmail;
+        $this->mailOptions['fromName'] = 'OpenSupports';
+
+        $this->mailOptions['smtp-host'] = $host;
+        $this->mailOptions['smtp-port'] = $port;
+        $this->mailOptions['smtp-user'] = $user;
+        $this->mailOptions['smtp-pass'] = $pass;
+    }
+
+    public function setMailContent($mailContent) {
+        $this->mailOptions = array_merge($this->mailOptions, $mailContent);
+    }
+
+    public function send() {
+        $mailerInstance = $this->getMailerInstance();
+
+        if( !array_key_exists('to', $this->mailOptions) ||
+            !array_key_exists('subject', $this->mailOptions) ||
+            !array_key_exists('body', $this->mailOptions) ) {
+            throw new Exception('Mail sending data not available');
+        }
+
+        $mailerInstance->ClearAllRecipients();
+        $mailerInstance->addAddress($this->mailOptions['to']);
+        $mailerInstance->Subject = $this->mailOptions['subject'];
+        $mailerInstance->Body = $this->mailOptions['body'];
+        $mailerInstance->isHTML(true);
+
+        if ($this->isConnected()) {
+            $mailerInstance->send();
+        }
+    }
+
+    public function isConnected() {
+        return $this->getMailerInstance()->smtpConnect();
+    }
+
+    private function getMailerInstance() {
+        if(!($this->mailerInstance instanceof PHPMailer)) {
+            $this->mailerInstance = new PHPMailer();
+
+            $this->mailerInstance->From = $this->mailOptions['from'];
+            $this->mailerInstance->FromName = $this->mailOptions['fromName'];
+
+            $this->mailerInstance->isSMTP();
+            $this->mailerInstance->SMTPAuth = true;
+            $this->mailerInstance->Host = $this->mailOptions['smtp-host'];
+            $this->mailerInstance->Port = $this->mailOptions['smtp-port'];
+            $this->mailerInstance->Username = $this->mailOptions['smtp-user'];
+            $this->mailerInstance->Password = $this->mailOptions['smtp-pass'];
+            $this->mailerInstance->Timeout = 1000;
+            $this->mailerInstance->SMTPOptions = [
+                'ssl' => [
+                    'verify_peer' => false,
+                    'verify_peer_name' => false,
+                    'allow_self_signed' => true
+                ]
+            ];
+        }
+
+        return $this->mailerInstance;
+    }
+}

version_upgrades/4.1.1/libs/migration-mail.html

@@ -0,0 +1,384 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Support Center</title>
+
+    <style type="text/css">
+        /* Take care of image borders and formatting, client hacks */
+        img { max-width: 600px; outline: none; text-decoration: none; -ms-interpolation-mode: bicubic;}
+        a img { border: none; }
+        table { border-collapse: collapse !important;}
+        #outlook a { padding:0; }
+        .ReadMsgBody { width: 100%; }
+        .ExternalClass { width: 100%; }
+        .backgroundTable { margin: 0 auto; padding: 0; width: 100% !important; }
+        table td { border-collapse: collapse; }
+        .ExternalClass * { line-height: 115%; }
+        .container-for-gmail-android { min-width: 600px; }
+
+
+        /* General styling */
+        * {
+            font-family: Helvetica, Arial, sans-serif;
+        }
+
+        body {
+            -webkit-font-smoothing: antialiased;
+            -webkit-text-size-adjust: none;
+            width: 100% !important;
+            margin: 0 !important;
+            height: 100%;
+            color: #676767;
+        }
+
+        td {
+            font-family: Helvetica, Arial, sans-serif;
+            font-size: 14px;
+            color: #777777;
+            text-align: center;
+            line-height: 21px;
+        }
+
+        a {
+            color: #676767;
+            text-decoration: none !important;
+        }
+
+        .pull-left {
+            text-align: left;
+        }
+
+        .pull-right {
+            text-align: right;
+        }
+
+        .header-lg,
+        .header-md,
+        .header-sm {
+            font-size: 32px;
+            font-weight: 700;
+            line-height: normal;
+            padding: 35px 0 0;
+            color: #4d4d4d;
+        }
+
+        .header-md {
+            font-size: 24px;
+        }
+
+        .header-sm {
+            padding: 5px 0;
+            font-size: 18px;
+            line-height: 1.3;
+        }
+
+        .content-padding {
+            padding: 20px 0 30px;
+        }
+
+        .mobile-header-padding-right {
+            width: 290px;
+            text-align: right;
+            padding-left: 10px;
+        }
+
+        .mobile-header-padding-left {
+            width: 290px;
+            text-align: left;
+            padding-left: 10px;
+        }
+
+        .free-text {
+            width: 100% !important;
+            padding: 10px 60px 0px;
+        }
+
+        .block-rounded {
+            border-radius: 5px;
+            border: 1px solid #e5e5e5;
+            vertical-align: top;
+        }
+
+        .button {
+            padding: 55px 0 0;
+        }
+
+        .info-block {
+            padding: 0 20px;
+            width: 260px;
+        }
+
+        .mini-block-container {
+            padding: 30px 50px;
+            width: 500px;
+        }
+
+        .mini-block {
+            background-color: #ffffff;
+            width: 498px;
+            border: 1px solid #cccccc;
+            border-radius: 5px;
+            padding: 60px 75px;
+        }
+
+        .block-rounded {
+            width: 260px;
+        }
+
+        .info-img {
+            width: 258px;
+            border-radius: 5px 5px 0 0;
+        }
+
+        .force-width-img {
+            width: 480px;
+            height: 1px !important;
+        }
+
+        .force-width-full {
+            width: 600px;
+            height: 1px !important;
+        }
+
+        .user-img img {
+            width: 82px;
+            border-radius: 5px;
+            border: 1px solid #cccccc;
+        }
+
+        .user-img {
+            width: 92px;
+            text-align: left;
+        }
+
+        .user-msg {
+            width: 236px;
+            font-size: 14px;
+            text-align: left;
+            font-style: italic;
+        }
+
+        .code-block {
+            padding: 10px 0;
+            border: 1px solid #cccccc;
+            color: #4d4d4d;
+            font-weight: bold;
+            font-size: 17px;
+            text-align: center;
+        }
+
+        .force-width-gmail {
+            min-width:600px;
+            height: 0px !important;
+            line-height: 1px !important;
+            font-size: 1px !important;
+        }
+
+        .button-width {
+            width: 228px;
+        }
+
+    </style>
+
+    <style type="text/css" media="screen">
+        @import url(http://fonts.googleapis.com/css?family=Oxygen:400,700);
+    </style>
+
+    <style type="text/css" media="screen">
+        @media screen {
+            /* Thanks Outlook 2013! */
+            * {
+                font-family: 'Oxygen', 'Helvetica Neue', 'Arial', 'sans-serif' !important;
+            }
+        }
+    </style>
+
+    <style type="text/css" media="only screen and (max-width: 480px)">
+        /* Mobile styles */
+        @media only screen and (max-width: 480px) {
+
+            table[class*="container-for-gmail-android"] {
+                min-width: 290px !important;
+                width: 100% !important;
+            }
+
+            table[class="w320"] {
+                width: 320px !important;
+            }
+
+            img[class="force-width-gmail"] {
+                display: none !important;
+                width: 0 !important;
+                height: 0 !important;
+            }
+
+            a[class="button-width"],
+            a[class="button-mobile"] {
+                width: 248px !important;
+            }
+
+            td[class*="mobile-header-padding-left"] {
+                width: 160px !important;
+                padding-left: 0 !important;
+            }
+
+            td[class*="mobile-header-padding-right"] {
+                width: 160px !important;
+                padding-right: 0 !important;
+            }
+
+            td[class="header-lg"] {
+                font-size: 24px !important;
+                padding-bottom: 5px !important;
+            }
+
+            td[class="header-md"] {
+                font-size: 18px !important;
+                padding-bottom: 5px !important;
+            }
+
+            td[class="content-padding"] {
+                padding: 5px 0 30px !important;
+            }
+
+            td[class="button"] {
+                padding: 15px 0 5px !important;
+            }
+
+            td[class*="free-text"] {
+                padding: 10px 18px 30px !important;
+            }
+
+            img[class="force-width-img"],
+            img[class="force-width-full"] {
+                display: none !important;
+            }
+
+            td[class="info-block"] {
+                display: block !important;
+                width: 280px !important;
+                padding-bottom: 40px !important;
+            }
+
+            td[class="info-img"],
+            img[class="info-img"] {
+                width: 278px !important;
+            }
+
+            td[class="mini-block-container"] {
+                padding: 8px 20px !important;
+                width: 280px !important;
+            }
+
+            td[class="mini-block"] {
+                padding: 20px !important;
+            }
+
+            td[class="user-img"] {
+                display: block !important;
+                text-align: center !important;
+                width: 100% !important;
+                padding-bottom: 10px;
+            }
+
+            td[class="user-msg"] {
+                display: block !important;
+                padding-bottom: 20px !important;
+            }
+        }
+    </style>
+</head>
+
+<body bgcolor="#f7f7f7">
+<table align="center" cellpadding="0" cellspacing="0" class="container-for-gmail-android" width="100%">
+    <tr>
+        <td align="left" valign="top" width="100%" style="background-color: #ffffff;">
+            <center>
+                <table cellspacing="0" cellpadding="0" width="100%" bgcolor="#ffffff" style="border-bottom: 1px solid #cccccc">
+                    <tr>
+                        <td width="100%" height="80" valign="top" style="text-align: center; vertical-align:middle;">
+                            <center>
+                                <table cellpadding="0" cellspacing="0" width="600" class="w320">
+                                    <tr>
+                                        <td style="vertical-align: middle;">
+                                            <a href="http://www.opensupports.com/" target="_blank"><img height="47" src="http://opensupports.com/logo.png" alt="logo"></a>
+                                        </td>
+                                    </tr>
+                                </table>
+                            </center>
+                            <!--[if gte mso 9]>
+                            </v:textbox>
+                            </v:rect>
+                            <![endif]-->
+                        </td>
+                    </tr>
+                </table>
+            </center>
+        </td>
+    </tr>
+    <tr>
+        <td align="center" valign="top" width="100%" style="background-color: #f7f7f7;" class="content-padding">
+            <center>
+                <table cellspacing="0" cellpadding="0" width="600" class="w320">
+                    <tr>
+                        <td class="header-lg">
+                            Ticket numbers updated
+                        </td>
+                    </tr>
+                    <tr>
+                        <td class="free-text">
+                            Hello, {{email}}. Due maintenance reasons, the following tickets have changed its number.
+                        </td>
+                    </tr>
+                    <tr>
+                        <td class="mini-block-container">
+                            <table cellspacing="0" cellpadding="0" width="100%"  style="border-collapse:separate !important;">
+                                <tr>
+                                    <td class="mini-block">
+                                        <table cellpadding="0" cellspacing="0" width="100%">
+                                            <tr>
+                                                <td style="padding-bottom: 30px;">
+                                                    {{tickets}}
+                                                </td>
+                                            </tr>
+                                            <tr>
+                                                <td class="button">
+                                                    <div><!--[if mso]>
+                                                        <v:roundrect xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="urn:schemas-microsoft-com:office:word" href="{{url}}/check-ticket/" style="height:45px;v-text-anchor:middle;width:155px;" arcsize="15%" strokecolor="#ffffff" fillcolor="#ff6f6f">
+                                                            <w:anchorlock/>
+                                                            <center style="color:#ffffff;font-family:Helvetica, Arial, sans-serif;font-size:14px;font-weight:regular;">Check Ticket</center>
+                                                        </v:roundrect>
+                                                        <![endif]--><a class="button-mobile" target="_blank" href="{{url}}/check-ticket/"
+                                                                       style="background-color:#ff6f6f;border-radius:5px;color:#ffffff;display:inline-block;font-family:'Cabin', Helvetica, Arial, sans-serif;font-size:14px;font-weight:regular;line-height:45px;text-align:center;text-decoration:none;width:155px;-webkit-text-size-adjust:none;mso-hide:all;">Check Tickets</a></div>
+                                                </td>
+                                            </tr>
+                                        </table>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+            </center>
+        </td>
+    </tr>
+    <tr>
+        <td align="center" valign="top" width="100%" style="background-color: #ffffff;  border-top: 1px solid #e5e5e5; border-bottom: 1px solid #e5e5e5; height: 100px;">
+            <center>
+                <table cellspacing="0" cellpadding="0" width="600" class="w320">
+                    <tr>
+                        <td style="padding: 25px 0 25px">
+                            <strong>OpenSupports</strong><br />
+                            Open source ticket system<br />
+                            www.opensupports.com<br /><br />
+                        </td>
+                    </tr>
+                </table>
+            </center>
+        </td>
+    </tr>
+</table>
+</body>
+</html>

version_upgrades/mysql_connect.php

@@ -0,0 +1,13 @@
+<?php
+
+$mysql_host = getenv('MYSQL_HOST');
+$mysql_user = getenv('MYSQL_USER');
+$mysql_password = getenv('MYSQL_PASSWORD');
+$mysql_db = getenv('MYSQL_DB');
+
+$mysql = new mysqli($mysql_host, $mysql_user, $mysql_password, $mysql_db);
+
+if (mysqli_connect_errno()) {
+    printf("Connect failed: %s\n", mysqli_connect_error());
+    exit();
+}