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			496 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			496 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Invoice Ninja (https://invoiceninja.com).
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 *
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 * @link https://github.com/invoiceninja/invoiceninja source repository
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 *
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 * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
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 *
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 * @license https://www.elastic.co/licensing/elastic-license
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 */
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namespace App\Jobs\Mail;
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use App\DataMapper\Analytics\EmailFailure;
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use App\DataMapper\Analytics\EmailSuccess;
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use App\Events\Invoice\InvoiceWasEmailedAndFailed;
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use App\Events\Payment\PaymentWasEmailedAndFailed;
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use App\Jobs\Mail\NinjaMailerObject;
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use App\Jobs\Util\SystemLogger;
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use App\Libraries\Google\Google;
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use App\Libraries\MultiDB;
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use App\Mail\TemplateEmail;
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use App\Models\ClientContact;
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use App\Models\Company;
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use App\Models\Invoice;
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use App\Models\Payment;
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use App\Models\SystemLog;
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use App\Models\User;
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use App\Providers\MailServiceProvider;
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use App\Utils\Ninja;
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use App\Utils\Traits\MakesHash;
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use Dacastro4\LaravelGmail\Facade\LaravelGmail;
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use GuzzleHttp\Exception\ClientException;
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use Illuminate\Bus\Queueable;
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use Illuminate\Contracts\Queue\ShouldQueue;
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use Illuminate\Foundation\Bus\Dispatchable;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Queue\SerializesModels;
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use Illuminate\Support\Facades\App;
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use Illuminate\Support\Facades\Config;
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use Illuminate\Support\Facades\Lang;
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use Illuminate\Support\Facades\Mail;
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use Turbo124\Beacon\Facades\LightLogs;
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use Illuminate\Support\Facades\Cache;
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/*Multi Mailer implemented*/
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class NinjaMailerJob implements ShouldQueue
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{
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    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels, MakesHash;
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    public $tries = 3; //number of retries
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    public $backoff = 30; //seconds to wait until retry
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    public $deleteWhenMissingModels = true;
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    public $nmo;
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    public $override;
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    public $company;
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    private $mailer;
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    public function __construct(NinjaMailerObject $nmo, bool $override = false)
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    {
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        $this->nmo = $nmo;
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        $this->override = $override;
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    }
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    public function handle()
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    {
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        /*Set the correct database*/
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        MultiDB::setDb($this->nmo->company->db);
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        /* Serializing models from other jobs wipes the primary key */
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        $this->company = Company::where('company_key', $this->nmo->company->company_key)->first();
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        if($this->preFlightChecksFail())
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            return;
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        /* Set the email driver */
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        $this->setMailDriver();
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        if (strlen($this->nmo->settings->reply_to_email) > 1) {
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            if(property_exists($this->nmo->settings, 'reply_to_name'))
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                $reply_to_name = strlen($this->nmo->settings->reply_to_name) > 3 ? $this->nmo->settings->reply_to_name : $this->nmo->settings->reply_to_email;
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            else
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                $reply_to_name = $this->nmo->settings->reply_to_email;
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            $this->nmo->mailable->replyTo($this->nmo->settings->reply_to_email, $reply_to_name);
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        }
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        else {
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            $this->nmo->mailable->replyTo($this->company->owner()->email, $this->company->owner()->present()->name());
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        }
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        $this->nmo->mailable->tag($this->company->company_key);
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        if($this->nmo->invitation)
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        {
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            $this->nmo
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                 ->mailable
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                 ->withSymfonyMessage(function ($message) {
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                    $message->getHeaders()->addTextHeader('x-invitation', $this->nmo->invitation->key);     
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                 });
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        }
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        //send email
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        try {
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            nlog("trying to send to {$this->nmo->to_user->email} ". now()->toDateTimeString());
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            nlog("Using mailer => ". $this->mailer);
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            Mail::mailer($this->mailer)
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                ->to($this->nmo->to_user->email)
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                ->send($this->nmo->mailable);
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            /* Count the amount of emails sent across all the users accounts */
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            Cache::increment($this->company->account->key);
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            LightLogs::create(new EmailSuccess($this->nmo->company->company_key))
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                     ->send();
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            // nlog('Using ' . ((int) (memory_get_usage(true) / (1024 * 1024))) . 'MB ');
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            $this->nmo = null;
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            $this->company = null;
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            app('queue.worker')->shouldQuit  = 1;
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        } catch (\Exception | \RuntimeException | \Google\Service\Exception $e) {
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            nlog("error failed with {$e->getMessage()}");
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            $message = $e->getMessage();
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            if($e instanceof \Google\Service\Exception){
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                if(($e->getCode() == 429) && ($this->nmo->to_user instanceof ClientContact))
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                    $this->logMailError("Google rate limiter hit, we will retry in 30 seconds.", $this->nmo->to_user->client);
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            }
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            /**
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             * Post mark buries the proper message in a a guzzle response
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             * this merges a text string with a json object
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             * need to harvest the ->Message property using the following
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             */
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            if($e instanceof ClientException) { //postmark specific failure
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                $response = $e->getResponse();
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                $message_body = json_decode($response->getBody()->getContents());
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                if($message_body && property_exists($message_body, 'Message')){
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                    $message = $message_body->Message;
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                    nlog($message);
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                }
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            }
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            /* If the is an entity attached to the message send a failure mailer */
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            if($this->nmo->entity)
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                $this->entityEmailFailed($message);
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            /* Don't send postmark failures to Sentry */
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            if(Ninja::isHosted() && (!$e instanceof ClientException)) 
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                app('sentry')->captureException($e);
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            $message = null;
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            $this->nmo = null;
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            $this->company = null;
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        }
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    }
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    /* Switch statement to handle failure notifications */
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    private function entityEmailFailed($message)
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    {
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        $class = get_class($this->nmo->entity);
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        switch ($class) {
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            case Invoice::class:
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                event(new InvoiceWasEmailedAndFailed($this->nmo->invitation, $this->nmo->company, $message, $this->nmo->reminder_template, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));
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                break;
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            case Payment::class:
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                event(new PaymentWasEmailedAndFailed($this->nmo->entity, $this->nmo->company, $message, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));
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                break;
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            default:
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                # code...
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                break;
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        }
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        if ($this->nmo->to_user instanceof ClientContact) 
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            $this->logMailError($message, $this->nmo->to_user->client);
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    }
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    private function setMailDriver()
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    {
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        /* Singletons need to be rebooted each time just in case our Locale is changing*/
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        App::forgetInstance('translator');
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        $t = app('translator');
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        $t->replace(Ninja::transformTranslations($this->nmo->settings));
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        switch ($this->nmo->settings->email_sending_method) {
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            case 'default':
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                $this->mailer = config('mail.default');
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                break;
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            case 'gmail':
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                $this->mailer = 'gmail';
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                $this->setGmailMailer();
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                break;
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            case 'office365':
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                $this->mailer = 'office365';
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                $this->setOfficeMailer();
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                break;
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            default:
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                break;
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        }
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        if(Ninja::isSelfHost())
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            $this->setSelfHostMultiMailer();
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    }
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    private function setSelfHostMultiMailer()
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    {
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        if (env($this->company->id . '_MAIL_HOST')) 
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        {
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            config([
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                'mail.mailers.smtp' => [
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                    'transport' => 'smtp',
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                    'host' => env($this->company->id . '_MAIL_HOST'),
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                    'port' => env($this->company->id . '_MAIL_PORT'),
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                    'username' => env($this->company->id . '_MAIL_USERNAME'),
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                    'password' => env($this->company->id . '_MAIL_PASSWORD'),
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                ],
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            ]);
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        }
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    }
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    private function setOfficeMailer()
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    {
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        $sending_user = $this->nmo->settings->gmail_sending_user_id;
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        $user = User::find($this->decodePrimaryKey($sending_user));
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        /* Always ensure the user is set on the correct account */
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        if($user->account_id != $this->company->account_id){
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        nlog("Sending via {$user->name()}");
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        $token = $this->refreshOfficeToken($user);
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        if($token)
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        {
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            $user->oauth_user_token = $token;
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            $user->save();
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        }
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        else {
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        $this->nmo
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             ->mailable
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             ->from($user->email, $user->name())
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             ->withSymfonyMessage(function ($message) use($token) {
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                $message->getHeaders()->addTextHeader('gmailtoken', $token);     
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             });
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        sleep(rand(1,3));
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    }
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    private function setGmailMailer()
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    {
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        $sending_user = $this->nmo->settings->gmail_sending_user_id;
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        $user = User::find($this->decodePrimaryKey($sending_user));
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        /* Always ensure the user is set on the correct account */
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        if($user->account_id != $this->company->account_id){
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        nlog("Sending via {$user->name()}");
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        $google = (new Google())->init();
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        try{
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            if ($google->getClient()->isAccessTokenExpired()) {
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                $google->refreshToken($user);
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                $user = $user->fresh();
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            }
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            $google->getClient()->setAccessToken(json_encode($user->oauth_user_token));
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            sleep(rand(2,4));
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        }
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        catch(\Exception $e) {
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            $this->logMailError('Gmail Token Invalid', $this->company->clients()->first());
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        /**
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         * If the user doesn't have a valid token, notify them
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         */
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        if(!$user->oauth_user_token) {
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            $this->company->account->gmailCredentialNotification();
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        /*
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         *  Now that our token is refreshed and valid we can boot the
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         *  mail driver at runtime and also set the token which will persist
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         *  just for this request.
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        */
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        $token = $user->oauth_user_token->access_token;
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        if(!$token) {
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            $this->company->account->gmailCredentialNotification();
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            $this->nmo->settings->email_sending_method = 'default';
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            return $this->setMailDriver();
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        }
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        $this->nmo
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             ->mailable
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             ->from($user->email, $user->name())
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             ->withSymfonyMessage(function ($message) use($token) {
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                $message->getHeaders()->addTextHeader('gmailtoken', $token);     
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             });
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    }
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    private function preFlightChecksFail()
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    {
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        /* If we are migrating data we don't want to fire any emails */
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        if($this->company->is_disabled && !$this->override) 
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            return true;
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        /* To handle spam users we drop all emails from flagged accounts */
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        if(Ninja::isHosted() && $this->company->account && $this->company->account->is_flagged) 
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            return true;
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        /* On the hosted platform we set default contacts a @example.com email address - we shouldn't send emails to these types of addresses */
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        if(Ninja::isHosted() && $this->nmo->to_user && strpos($this->nmo->to_user->email, '@example.com') !== false)
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            return true;
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        /* GMail users are uncapped */
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        if(Ninja::isHosted() && ($this->nmo->settings->email_sending_method == 'gmail' || $this->nmo->settings->email_sending_method == 'office365')) 
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            return false;
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        /* On the hosted platform, if the user is over the email quotas, we do not send the email. */
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        if(Ninja::isHosted() && $this->company->account && $this->company->account->emailQuotaExceeded())
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            return true;
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        /* If the account is verified, we allow emails to flow */
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        if(Ninja::isHosted() && $this->company->account && $this->company->account->is_verified_account) {
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            /* Continue to analyse verified accounts in case they later start sending poor quality emails*/
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            if(class_exists(\Modules\Admin\Jobs\Account\EmailQuality::class))
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                (new \Modules\Admin\Jobs\Account\EmailQuality($this->nmo, $this->company))->run();
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            return false;
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        }
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        /* Ensure the user has a valid email address */
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        if(!str_contains($this->nmo->to_user->email, "@"))
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            return true;
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        /* On the hosted platform if the user has not verified their account we fail here - but still check what they are trying to send! */
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        if(Ninja::isHosted() && $this->company->account && !$this->company->account->account_sms_verified){
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            if(class_exists(\Modules\Admin\Jobs\Account\EmailQuality::class))
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                return (new \Modules\Admin\Jobs\Account\EmailQuality($this->nmo, $this->company))->run();
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            return true;
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        }
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        /* On the hosted platform we actively scan all outbound emails to ensure outbound email quality remains high */
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        if(class_exists(\Modules\Admin\Jobs\Account\EmailQuality::class))
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            return (new \Modules\Admin\Jobs\Account\EmailQuality($this->nmo, $this->company))->run();
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        return false;
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    }
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    private function logMailError($errors, $recipient_object)
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    {
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        SystemLogger::dispatchSync(
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            $errors,
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            SystemLog::CATEGORY_MAIL,
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            SystemLog::EVENT_MAIL_SEND,
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            SystemLog::TYPE_FAILURE,
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            $recipient_object,
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            $this->nmo->company
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        );
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        $job_failure = new EmailFailure($this->nmo->company->company_key);
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        $job_failure->string_metric5 = 'failed_email';
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        $job_failure->string_metric6 = substr($errors, 0, 150);
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						|
        LightLogs::create($job_failure)
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                 ->send();
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						|
        $job_failure = null;
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						|
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    }
 | 
						|
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						|
    public function failed($exception = null)
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    {
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						|
        
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    }
 | 
						|
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						|
    private function refreshOfficeToken($user)
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						|
    {
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						|
        $expiry = $user->oauth_user_token_expiry ?: now()->subDay();
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						|
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						|
        if($expiry->lt(now()))
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						|
        {
 | 
						|
            $guzzle = new \GuzzleHttp\Client(); 
 | 
						|
            $url = 'https://login.microsoftonline.com/common/oauth2/v2.0/token'; 
 | 
						|
 | 
						|
            $token = json_decode($guzzle->post($url, [
 | 
						|
                'form_params' => [
 | 
						|
                    'client_id' => config('ninja.o365.client_id') ,
 | 
						|
                    'client_secret' => config('ninja.o365.client_secret') ,
 | 
						|
                    'scope' => 'email Mail.Send offline_access profile User.Read openid',
 | 
						|
                    'grant_type' => 'refresh_token',
 | 
						|
                    'refresh_token' => $user->oauth_user_refresh_token
 | 
						|
                ],
 | 
						|
            ])->getBody()->getContents());
 | 
						|
 | 
						|
            nlog($token);
 | 
						|
            
 | 
						|
            if($token){
 | 
						|
                
 | 
						|
                $user->oauth_user_refresh_token = property_exists($token, 'refresh_token') ? $token->refresh_token : $user->oauth_user_refresh_token;
 | 
						|
                $user->oauth_user_token = $token->access_token;
 | 
						|
                $user->oauth_user_token_expiry = now()->addSeconds($token->expires_in);
 | 
						|
                $user->save();
 | 
						|
 | 
						|
                return $token->access_token;
 | 
						|
            }
 | 
						|
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        return $user->oauth_user_token;
 | 
						|
        
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Is this the cleanest way to requeue a job?
 | 
						|
     * 
 | 
						|
     * $this->delete();
 | 
						|
     *
 | 
						|
     * $job = NinjaMailerJob::dispatch($this->nmo, $this->override)->delay(3600);
 | 
						|
    */
 | 
						|
 | 
						|
} |