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invoiceninja/app/Services/Email/Email.php
2023-08-22 20:42:01 +10:00

780 lines
26 KiB
PHP

<?php
/**
* Invoice Ninja (https://invoiceninja.com).
*
* @link https://github.com/invoiceninja/invoiceninja source repository
*
* @copyright Copyright (c) 2023. Invoice Ninja LLC (https://invoiceninja.com)
*
* @license https://www.elastic.co/licensing/elastic-license
*/
namespace App\Services\Email;
use App\DataMapper\Analytics\EmailFailure;
use App\DataMapper\Analytics\EmailSuccess;
use App\Events\Invoice\InvoiceWasEmailedAndFailed;
use App\Events\Payment\PaymentWasEmailedAndFailed;
use App\Jobs\Util\SystemLogger;
use App\Libraries\Google\Google;
use App\Libraries\MultiDB;
use App\Models\Client;
use App\Models\ClientContact;
use App\Models\Company;
use App\Models\Invoice;
use App\Models\Payment;
use App\Models\SystemLog;
use App\Models\User;
use App\Models\Vendor;
use App\Models\VendorContact;
use App\Utils\HtmlEngine;
use App\Utils\Ninja;
use App\Utils\Traits\MakesHash;
use App\Utils\VendorHtmlEngine;
use GuzzleHttp\Exception\ClientException;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Mail;
use Turbo124\Beacon\Facades\LightLogs;
class Email implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels, MakesHash;
public $tries = 4;
public $deleteWhenMissingModels = true;
public bool $override;
protected ?string $client_postmark_secret = null;
protected ?string $client_mailgun_secret = null;
protected ?string $client_mailgun_domain = null;
protected ?string $client_mailgun_endpoint = null;
private string $mailer = 'default';
public Mailable $mailable;
public function __construct(public EmailObject $email_object, public Company $company)
{
}
/**
* The backoff time between retries.
*
* @return array
*/
public function backoff()
{
// return [10, 30, 60, 240];
return [rand(10, 20), rand(30, 45), rand(60, 79), rand(160, 400)];
}
public function handle()
{
MultiDB::setDb($this->company->db);
$this->setOverride()
->initModels()
->setDefaults()
->buildMailable();
if ($this->preFlightChecksFail()) {
return;
}
$this->email();
$this->tearDown();
}
/**
* Sets the override flag
*
* @return self
*/
public function setOverride(): self
{
$this->override = $this->email_object->override;
return $this;
}
/**
* Initilializes the models
*
* @return self
*/
public function initModels(): self
{
$this->email_object->entity_id ? $this->email_object->entity = $this->email_object->entity_class::withTrashed()->with('invitations')->find($this->email_object->entity_id) : $this->email_object->entity = null;
$this->email_object->invitation_id ? $this->email_object->invitation = $this->email_object->entity->invitations()->where('id', $this->email_object->invitation_id)->first() : $this->email_object->invitation = null;
$this->email_object->invitation_id ? $this->email_object->contact = $this->email_object->invitation->contact : $this->email_object->contact = null;
$this->email_object->client_id ? $this->email_object->client = Client::withTrashed()->find($this->email_object->client_id) : $this->email_object->client = null;
$this->email_object->vendor_id ? $this->email_object->vendor = Vendor::withTrashed()->find($this->email_object->vendor_id) : $this->email_object->vendor = null;
if (!$this->email_object->contact) {
$this->email_object->vendor_contact_id ? $this->email_object->contact = VendorContact::withTrashed()->find($this->email_object->vendor_contact_id) : null;
$this->email_object->client_contact_id ? $this->email_object->contact = ClientContact::withTrashed()->find($this->email_object->client_contact_id) : null;
}
$this->email_object->user_id ? $this->email_object->user = User::withTrashed()->find($this->email_object->user_id) : $this->email_object->user = $this->company->owner();
$this->email_object->company_key = $this->company->company_key;
$this->email_object->company = $this->company;
$this->email_object->client_id ? $this->email_object->settings = $this->email_object->client->getMergedSettings() : $this->email_object->settings = $this->company->settings;
$this->email_object->client_id ? nlog("client settings") : nlog("company settings ");
$this->email_object->whitelabel = $this->company->account->isPaid() ? true : false;
$this->email_object->logo = $this->email_object->settings->company_logo;
$this->email_object->signature = $this->email_object->settings->email_signature;
$this->email_object->invitation_key = $this->email_object->invitation ? $this->email_object->invitation->key : null;
$this->resolveVariables();
return $this;
}
/**
* Generates the correct set of variables
*
* @return self
*/
private function resolveVariables(): self
{
$_variables = $this->email_object->variables;
match (class_basename($this->email_object->entity)) {
"Invoice" => $this->email_object->variables = (new HtmlEngine($this->email_object->invitation))->makeValues(),
"Quote" => $this->email_object->variables = (new HtmlEngine($this->email_object->invitation))->makeValues(),
"Credit" => $this->email_object->variables = (new HtmlEngine($this->email_object->invitation))->makeValues(),
"PurchaseOrder" => $this->email_object->variables = (new VendorHtmlEngine($this->email_object->invitation))->makeValues(),
default => $this->email_object->variables = []
};
/** If we have passed some variable overrides we insert them here */
foreach ($_variables as $key => $value) {
$this->email_object->variables[$key] = $value;
}
return $this;
}
/**
* tearDown
*
* @return self
*/
private function tearDown(): self
{
$this->email_object->entity = null;
$this->email_object->invitation = null;
$this->email_object->client = null;
$this->email_object->vendor = null;
$this->email_object->user = null;
$this->email_object->contact = null;
$this->email_object->settings = null;
return $this;
}
/**
* Builds the email defaults
*
* @return self
*/
public function setDefaults(): self
{
(new EmailDefaults($this))->run();
return $this;
}
/**
* Populates the mailable
*
* @return self
*/
public function buildMailable(): self
{
$this->mailable = new EmailMailable($this->email_object);
return $this;
}
/**
* Attempts to send the email
*
* @return void
*/
public function email()
{
$this->setMailDriver();
/* Init the mailer*/
$mailer = Mail::mailer($this->mailer);
/* Additional configuration if using a client third party mailer */
if ($this->client_postmark_secret) {
$mailer->postmark_config($this->client_postmark_secret);
}
if ($this->client_mailgun_secret) {
$mailer->mailgun_config($this->client_mailgun_secret, $this->client_mailgun_domain, $this->client_mailgun_endpoint);
}
/* Attempt the send! */
try {
nlog("Using mailer => ". $this->mailer. " ". now()->toDateTimeString());
$mailer->send($this->mailable);
Cache::increment("email_quota".$this->company->account->key);
LightLogs::create(new EmailSuccess($this->company->company_key))
->send();
} catch(\Symfony\Component\Mime\Exception\RfcComplianceException $e) {
nlog("Mailer failed with a Logic Exception {$e->getMessage()}");
$this->fail();
$this->cleanUpMailers();
$this->logMailError($e->getMessage(), $this->company->clients()->first());
return;
} catch(\Symfony\Component\Mime\Exception\LogicException $e) {
nlog("Mailer failed with a Logic Exception {$e->getMessage()}");
$this->fail();
$this->cleanUpMailers();
$this->logMailError($e->getMessage(), $this->company->clients()->first());
return;
} catch (\Exception | \RuntimeException | \Google\Service\Exception $e) {
nlog("Mailer failed with {$e->getMessage()}");
$message = $e->getMessage();
if (stripos($e->getMessage(), 'code 406') || stripos($e->getMessage(), 'code 300') || stripos($e->getMessage(), 'code 413')) {
$message = "Either Attachment too large, or recipient has been suppressed.";
$this->fail();
$this->logMailError($e->getMessage(), $this->company->clients()->first());
$this->cleanUpMailers();
return;
}
/**
* Post mark buries the proper message in a a guzzle response
* this merges a text string with a json object
* need to harvest the ->Message property using the following
*/
if ($e instanceof ClientException) { //postmark specific failure
$response = $e->getResponse();
$message_body = json_decode($response->getBody()->getContents());
if ($message_body && property_exists($message_body, 'Message')) {
$message = $message_body->Message;
nlog($message);
}
$this->fail();
$this->cleanUpMailers();
return;
}
//only report once, not on all tries
if ($this->attempts() == $this->tries) {
/* If the is an entity attached to the message send a failure mailer */
$this->entityEmailFailed($message);
/* Don't send postmark failures to Sentry */
if (Ninja::isHosted() && (!$e instanceof ClientException)) {
app('sentry')->captureException($e);
}
}
$this->tearDown();
/* Releasing immediately does not add in the backoff */
sleep(rand(0, 3));
$this->release($this->backoff()[$this->attempts()-1]);
$message = null;
}
$this->cleanUpMailers();
}
/**
* On the hosted platform we scan all outbound email for
* spam. This sequence processes the filters we use on all
* emails.
*
* @return bool
*/
public function preFlightChecksFail(): bool
{
/* Always send if disabled */
if($this->override) {
return false;
}
/* If we are migrating data we don't want to fire any emails */
if ($this->company->is_disabled) {
return true;
}
if (Ninja::isSelfHost()) {
return false;
}
/* To handle spam users we drop all emails from flagged accounts */
if ($this->company->account && $this->company->account->is_flagged) {
return true;
}
/* On the hosted platform we set default contacts a @example.com email address - we shouldn't send emails to these types of addresses */
if ($this->hasInValidEmails()) {
return true;
}
/* GMail users are uncapped */
if (in_array($this->email_object->settings->email_sending_method, ['gmail', 'office365', 'client_postmark', 'client_mailgun'])) {
return false;
}
/* On the hosted platform, if the user is over the email quotas, we do not send the email. */
if ($this->company->account && $this->company->account->emailQuotaExceeded()) {
return true;
}
/* If the account is verified, we allow emails to flow */
if ($this->company->account && $this->company->account->is_verified_account) {
//11-01-2022
/* Continue to analyse verified accounts in case they later start sending poor quality emails*/
// if(class_exists(\Modules\Admin\Jobs\Account\EmailQuality::class))
// (new \Modules\Admin\Jobs\Account\EmailQuality($this->nmo, $this->company))->run();
return false;
}
/* On the hosted platform if the user has not verified their account we fail here - but still check what they are trying to send! */
if ($this->company->account && !$this->company->account->account_sms_verified) {
if (class_exists(\Modules\Admin\Jobs\Account\EmailFilter::class)) {
return (new \Modules\Admin\Jobs\Account\EmailFilter($this->email_object, $this->company))->run();
}
return true;
}
/* On the hosted platform we actively scan all outbound emails to ensure outbound email quality remains high */
if (class_exists(\Modules\Admin\Jobs\Account\EmailFilter::class)) {
return (new \Modules\Admin\Jobs\Account\EmailFilter($this->email_object, $this->company))->run();
}
return false;
}
/**
* hasInValidEmails
*
* @return bool
*/
private function hasInValidEmails(): bool
{
foreach ($this->email_object->to as $address_object) {
if (strpos($address_object->address, '@example.com') !== false) {
return true;
}
if (!str_contains($address_object->address, "@")) {
return true;
}
if ($address_object->address == " ") {
return true;
}
}
return false;
}
/**
* Sets the mail driver to use and applies any specific configuration
* the the mailable
*/
private function setMailDriver(): self
{
switch ($this->email_object->settings->email_sending_method) {
case 'default':
$this->mailer = config('mail.default');
break;
case 'gmail':
$this->mailer = 'gmail';
$this->setGmailMailer();
return $this;
case 'office365':
case 'microsoft':
$this->mailer = 'office365';
$this->setOfficeMailer();
return $this;
case 'client_postmark':
$this->mailer = 'postmark';
$this->setPostmarkMailer();
return $this;
case 'client_mailgun':
$this->mailer = 'mailgun';
$this->setMailgunMailer();
return $this;
default:
$this->mailer = config('mail.default');
return $this;
}
if (Ninja::isSelfHost()) {
$this->setSelfHostMultiMailer();
}
return $this;
}
/**
* Allows configuration of multiple mailers
* per company for use by self hosted users
*/
private function setSelfHostMultiMailer(): void
{
if (env($this->company->id . '_MAIL_HOST')) {
config([
'mail.mailers.smtp' => [
'transport' => 'smtp',
'host' => env($this->company->id . '_MAIL_HOST'),
'port' => env($this->company->id . '_MAIL_PORT'),
'username' => env($this->company->id . '_MAIL_USERNAME'),
'password' => env($this->company->id . '_MAIL_PASSWORD'),
],
]);
if (env($this->company->id . '_MAIL_FROM_ADDRESS')) {
$this->mailable
->from(env($this->company->id . '_MAIL_FROM_ADDRESS', env('MAIL_FROM_ADDRESS')), env($this->company->id . '_MAIL_FROM_NAME', env('MAIL_FROM_NAME')));
}
}
}
/**
* Ensure we discard any data that is not required
*
* @return void
*/
private function cleanUpMailers(): void
{
$this->client_postmark_secret = null;
$this->client_mailgun_secret = null;
$this->client_mailgun_domain = null;
$this->client_mailgun_endpoint = null;
//always dump the drivers to prevent reuse
app('mail.manager')->forgetMailers();
}
/**
* Check to ensure no cross account
* emails can be sent.
*
* @param User $user
*/
private function checkValidSendingUser($user)
{
/* Always ensure the user is set on the correct account */
if ($user->account_id != $this->company->account_id) {
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
}
/**
* Resolves the sending user
* when configuring the Mailer
* on behalf of the client
*
* @return User $user
*/
private function resolveSendingUser(): ?User
{
$sending_user = $this->email_object->settings->gmail_sending_user_id;
if ($sending_user == "0") {
$user = $this->company->owner();
} else {
$user = User::find($this->decodePrimaryKey($sending_user));
}
return $user;
}
/**
* Configures Mailgun using client supplied secret
* as the Mailer
*/
private function setMailgunMailer()
{
if (strlen($this->email_object->settings->mailgun_secret) > 2 && strlen($this->email_object->settings->mailgun_domain) > 2) {
$this->client_mailgun_secret = $this->email_object->settings->mailgun_secret;
$this->client_mailgun_domain = $this->email_object->settings->mailgun_domain;
$this->client_mailgun_endpoint = $this->email_object->settings->mailgun_endpoint;
} else {
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
$user = $this->resolveSendingUser();
$sending_email = (isset($this->email_object->settings->custom_sending_email) && stripos($this->email_object->settings->custom_sending_email, "@")) ? $this->email_object->settings->custom_sending_email : $user->email;
$sending_user = (isset($this->email_object->settings->email_from_name) && strlen($this->email_object->settings->email_from_name) > 2) ? $this->email_object->settings->email_from_name : $user->name();
$this->mailable
->from($sending_email, $sending_user);
}
/**
* Configures Postmark using client supplied secret
* as the Mailer
*/
private function setPostmarkMailer()
{
if (strlen($this->email_object->settings->postmark_secret) > 2) {
$this->client_postmark_secret = $this->email_object->settings->postmark_secret;
} else {
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
$user = $this->resolveSendingUser();
$sending_email = (isset($this->email_object->settings->custom_sending_email) && stripos($this->email_object->settings->custom_sending_email, "@")) ? $this->email_object->settings->custom_sending_email : $user->email;
$sending_user = (isset($this->email_object->settings->email_from_name) && strlen($this->email_object->settings->email_from_name) > 2) ? $this->email_object->settings->email_from_name : $user->name();
$this->mailable
->from($sending_email, $sending_user);
}
/**
* Configures Microsoft via Oauth
* as the Mailer
*/
private function setOfficeMailer()
{
$user = $this->resolveSendingUser();
$this->checkValidSendingUser($user);
nlog("Sending via {$user->name()}");
$token = $this->refreshOfficeToken($user);
if ($token) {
$user->oauth_user_token = $token;
$user->save();
} else {
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
$this->mailable
->from($user->email, $user->name())
->withSymfonyMessage(function ($message) use ($token) {
$message->getHeaders()->addTextHeader('gmailtoken', $token);
});
}
/**
* Configures GMail via Oauth
* as the Mailer
*/
private function setGmailMailer()
{
$user = $this->resolveSendingUser();
$this->checkValidSendingUser($user);
nlog("Sending via {$user->name()}");
$google = (new Google())->init();
try {
if ($google->getClient()->isAccessTokenExpired()) {
$google->refreshToken($user);
$user = $user->fresh();
}
$google->getClient()->setAccessToken(json_encode($user->oauth_user_token));
} catch(\Exception $e) {
$this->logMailError('Gmail Token Invalid', $this->company->clients()->first());
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
/**
* If the user doesn't have a valid token, notify them
*/
if (!$user->oauth_user_token) {
$this->company->account->gmailCredentialNotification();
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
/*
* Now that our token is refreshed and valid we can boot the
* mail driver at runtime and also set the token which will persist
* just for this request.
*/
$token = $user->oauth_user_token->access_token;
if (!$token) {
$this->company->account->gmailCredentialNotification();
$this->email_object->settings->email_sending_method = 'default';
return $this->setMailDriver();
}
$this->mailable
->from($user->email, $user->name())
->withSymfonyMessage(function ($message) use ($token) {
$message->getHeaders()->addTextHeader('gmailtoken', $token);
});
}
/**
* Logs any errors to the SystemLog
*
* @param string $errors
* @param null | \App\Models\Client $recipient_object
* @return void
*/
private function logMailError($errors, $recipient_object) :void
{
(new SystemLogger(
$errors,
SystemLog::CATEGORY_MAIL,
SystemLog::EVENT_MAIL_SEND,
SystemLog::TYPE_FAILURE,
$recipient_object,
$this->company
))->handle();
$job_failure = new EmailFailure($this->company->company_key);
$job_failure->string_metric5 = 'failed_email';
$job_failure->string_metric6 = substr($errors, 0, 150);
LightLogs::create($job_failure)
->send();
$job_failure = null;
}
/**
* Attempts to refresh the Microsoft refreshToken
*
* @param \App\Models\User $user
* @return mixed
*/
private function refreshOfficeToken(User $user): mixed
{
$expiry = $user->oauth_user_token_expiry ?: now()->subDay();
if ($expiry->lt(now())) {
$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' => $user->oauth_user_refresh_token
],
])->getBody()->getContents());
if ($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;
}
/**
* Entity notification when an email fails to send
*
* @param string $message
* @return void
*/
private function entityEmailFailed($message): void
{
$class = get_class($this->email_object->entity);
switch ($class) {
case Invoice::class:
event(new InvoiceWasEmailedAndFailed($this->email_object->invitation, $this->company, $message, $this->email_object->html_template, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));
break;
case Payment::class:
event(new PaymentWasEmailedAndFailed($this->email_object->entity, $this->company, $message, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));
break;
default:
# code...
break;
}
if ($this->email_object->client) {
$this->logMailError($message, $this->email_object->client);
}
}
public function failed($exception = null)
{
if ($exception) {
nlog($exception->getMessage());
}
config(['queue.failed.driver' => null]);
}
}