Add mailing on errors

.gitignore

@@ -1 +1,2 @@
 .idea/
+/vendor/

AlertHandler.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Killbot;
+
+use Exception;
+use Swift_Mailer;
+use Swift_Message;
+use Swift_SmtpTransport;
+use Twig_Environment;
+
+class AlertHandler
+{
+
+    public static function sendAlertMail(Exception $e) {
+
+        $transport = (new Swift_SmtpTransport(Settings::$SMTP_SERVER, Settings::$SMTP_PORT, Settings::$SECURITY))
+            ->setUsername(Settings::$SMTP_USER)
+            ->setPassword(Settings::$SMTP_PASSWORD);
+
+        if (Settings::$SECURITY == 'ssl') {
+            $transport->setStreamOptions(
+                array(
+                    'ssl' => array(
+                        'allow_self_signed' => true,
+                        'verify_peer' => false
+                    )
+                )
+            );
+        }
+
+        $mailer = new Swift_Mailer($transport);
+
+        $message = (new Swift_Message('Killbot error !'))
+            ->setFrom(Settings::$MAIL_SENDER)
+            ->setTo(Settings::$MAIL_RECIPIENT)
+            ->setBody(self::generateBody($e));
+
+
+        if ($mailer->send($message)) {
+            echo "Alert mail sent\n";
+        } else {
+            echo "Failed to send alert mail\n";
+        }
+    }
+    protected static function generateBody(Exception $e)
+    {
+        $loader = new \Twig_Loader_Filesystem('.');
+        $twig = new Twig_Environment($loader);
+
+        $body = $twig->render(
+            'mail.html.twig',
+            array(
+                'message' => $e->getMessage(),
+                'path' => $e->getFile(),
+                'line' => $e->getLine(),
+            )
+        );
+
+        return $body;
+    }
+}

Killbot.php

@@ -1,5 +1,8 @@
 <?php
 
+namespace Killbot;
+
+use stdClass;
 
 class Killbot {
 

README.md

@@ -7,15 +7,17 @@ This bot use RedisQ (https://github.com/zKillboard/RedisQ) in order to provide q
 
 ## Requirements
 * Slack
-* PHP (with ext-curl)
+* PHP 7 (with ext-curl)
+* Composer
 
 ## Setup
 
-Checkout this project and edit the first part of `Setting.php` to match your configuration.
+* Checkout the project 
+* Run `composer install`
+* Edit the first part of `Setting.php` to match your configuration.
+> You must at least fill the `$SLACK_HOOK` variable and edit `$WATCHED_ENTITIES`.
 
-You must at least fill the `$SLACK_HOOK` variable and edit `$WATCHED_ENTITIES`.
-
-Use a cronjob to run the `cron.php` file every 5 minutes (or another value matching your timeout settings).
+* Setup a cronjob to run the `cron.php` file every 5 minutes (or another value matching your timeout settings).
 
  ## Disclaimer
 

Settings.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace Killbot;
+
 class Settings {
 
     /*******************************************************************************************************************
@@ -28,6 +30,27 @@ class Settings {
         ]
     ];
 
+    /*******************************************************************************************************************
+     * Mail settings
+     * Allow script to send mail alert when something goes wrong
+     ******************************************************************************************************************/
+
+    // Enable sending mails
+    public static $SEND_MAIL = true;
+
+    // Server configuration
+    public static $SMTP_SERVER = 'smtp.example.com';
+    public static $SMTP_PORT = '465';
+    public static $SMTP_USER = '[email protected]';
+    public static $SMTP_PASSWORD = 'my_password';
+
+    // Use null or ssl if required
+    public static $SECURITY = 'ssl';
+
+    // Mail addresses
+    public static $MAIL_RECIPIENT = '[email protected]';
+    public static $MAIL_SENDER = '[email protected]';
+
     /*******************************************************************************************************************
      * Advanced configuration
      * Do not edit unless you know what you are doing
@@ -47,4 +70,4 @@ class Settings {
 
     // ESI base URL
     public static $ESI_URL = 'https://esi.tech.ccp.is/latest';
-}
+}

composer.json

@@ -0,0 +1,20 @@
+{
+    "name": "slivo/killbot",
+    "type": "project",
+    "authors": [
+        {
+            "name": "slivo-fr",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "php": "^7.0",
+        "swiftmailer/swiftmailer": "^6.0",
+        "twig/twig": "^2.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Killbot\\":""
+        }
+    }
+}

cron.php

@@ -1,7 +1,24 @@
 <?php
 
-include_once('Settings.php');
-include_once('Killbot.php');
+set_error_handler(function($code, $message, $file, $line) {
+    echo $message . "\n";
+    throw new ErrorException($message, 0, $code, $file, $line);
+});
 
-$killbot = new Killbot();
-$killbot->run();
+require_once ('vendor/autoload.php');
+
+use Killbot\AlertHandler;
+use Killbot\Killbot;
+use Killbot\Settings;
+
+try {
+
+    $killbot = new Killbot();
+    $killbot->run();
+}
+catch (Exception $e) {
+
+    if (Settings::$SEND_MAIL) {
+        AlertHandler::sendAlertMail($e);
+    }
+}

mail.html.twig

@@ -0,0 +1,12 @@
+Hello there !
+
+Unfortunately, our beloved killbot encountered an error :/
+Here is more details about it :
+
+Error : {{ message }}
+File : {{ path }}
+Line : {{ line }}
+
+It may be a lonely fail, but if you keep getting more of there mail, you should double check your configuration and/or report the issue !
+
+Fly safe o7