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<?php
namespace Webkul\UVDesk\MailboxBundle\Services;
use PhpMimeMailParser\Parser as EmailParser;
use Symfony\Component\Yaml\Yaml;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\RequestStack;
use Webkul\UVDesk\CoreFrameworkBundle\Entity\User;
use Symfony\Component\EventDispatcher\GenericEvent;
use Webkul\UVDesk\CoreFrameworkBundle\Entity\Ticket;
use Webkul\UVDesk\CoreFrameworkBundle\Entity\Thread;
use Webkul\UVDesk\CoreFrameworkBundle\Entity\Website;
use Webkul\UVDesk\MailboxBundle\Utils\Mailbox\Mailbox;
use Webkul\UVDesk\CoreFrameworkBundle\Utils\HTMLFilter;
use Webkul\UVDesk\CoreFrameworkBundle\Entity\SupportRole;
use Webkul\UVDesk\CoreFrameworkBundle\Utils\TokenGenerator;
use Webkul\UVDesk\MailboxBundle\Utils\MailboxConfiguration;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Webkul\UVDesk\CoreFrameworkBundle\Workflow\Events as CoreWorkflowEvents;
use Webkul\UVDesk\MailboxBundle\Utils\Imap\Configuration as ImapConfiguration;
use Webkul\UVDesk\CoreFrameworkBundle\SwiftMailer\SwiftMailer as SwiftMailerService;
use Webkul\UVDesk\MailboxBundle\Workflow\Events as MaibloxWorkflowEvents;
class MailboxService
{
const PATH_TO_CONFIG = '/config/packages/uvdesk_mailbox.yaml';
private $mailboxCollection = [];
public function __construct(ContainerInterface $container, RequestStack $requestStack, EntityManagerInterface $entityManager, SwiftMailerService $swiftMailer)
{
$this->container = $container;
$this->requestStack = $requestStack;
$this->entityManager = $entityManager;
$this->swiftMailer = $swiftMailer;
}
public function getPathToConfigurationFile()
{
return $this->container->get('kernel')->getProjectDir() . self::PATH_TO_CONFIG;
}
public function createConfiguration($params)
{
$configuration = new MailboxConfigurations\MailboxConfiguration($params);
return $configuration ?? null;
}
public function parseMailboxConfigurations(bool $ignoreInvalidAttributes = false)
{
$path = $this->getPathToConfigurationFile();
if (!file_exists($path)) {
throw new \Exception("File '$path' not found.");
}
// Read configurations from package config.
$mailboxConfiguration = new MailboxConfiguration();
$swiftmailerService = $this->swiftMailer;
$swiftmailerConfigurations = $swiftmailerService->parseSwiftMailerConfigurations();
foreach (Yaml::parse(file_get_contents($path))['uvdesk_mailbox']['mailboxes'] ?? [] as $id => $params) {
// Swiftmailer Configuration
$swiftmailerConfiguration = null;
foreach ($swiftmailerConfigurations as $configuration) {
if ($configuration->getId() == $params['smtp_server']['mailer_id']) {
$swiftmailerConfiguration = $configuration;
break;
}
}
// IMAP Configuration
($imapConfiguration = ImapConfiguration::guessTransportDefinition($params['imap_server']['host']))
->setUsername($params['imap_server']['username'])
->setPassword($params['imap_server']['password']);
// Mailbox Configuration
($mailbox = new Mailbox($id))
->setName($params['name'])
->setIsEnabled($params['enabled'])
->setIsDeleted(empty($params['deleted']) ? false : $params['deleted'])
->setImapConfiguration($imapConfiguration);
if (!empty($swiftmailerConfiguration)) {
$mailbox->setSwiftMailerConfiguration($swiftmailerConfiguration);
} else if (!empty($params['smtp_server']['mailer_id']) && true === $ignoreInvalidAttributes) {
$mailbox->setSwiftMailerConfiguration($swiftmailerService->createConfiguration('smtp', $params['smtp_server']['mailer_id']));
}
$mailboxConfiguration->addMailbox($mailbox);
}
return $mailboxConfiguration;
}
private function getLoadedEmailContentParser($emailContents = null, $cacheContent = true): ?EmailParser
{
if (empty($emailContents)) {
return $this->emailParser ?? null;
}
$emailParser = new EmailParser();
$emailParser
->setText($emailContents)
;
if ($cacheContent) {
$this->emailParser = $emailParser;
}
return $emailParser;
}
private function getRegisteredMailboxes()
{
if (empty($this->mailboxCollection)) {
$this->mailboxCollection = array_map(function ($mailboxId) {
return $this->container->getParameter("uvdesk.mailboxes.$mailboxId");
}, $this->container->getParameter('uvdesk.mailboxes'));
}
return $this->mailboxCollection;
}
public function getRegisteredMailboxesById()
{
// Fetch existing content in file
$filePath = $this->getPathToConfigurationFile();
$file_content = file_get_contents($filePath);
// Convert yaml file content into array and merge existing mailbox and new mailbox
$file_content_array = Yaml::parse($file_content, 6);
if ($file_content_array['uvdesk_mailbox']['mailboxes']) {
foreach ($file_content_array['uvdesk_mailbox']['mailboxes'] as $key => $value) {
$value['mailbox_id'] = $key;
$mailboxCollection[] = $value;
}
}
return $mailboxCollection ?? [];
}
public function getEmailAddresses($collection)
{
$formattedCollection = array_map(function ($emailAddress) {
if (filter_var($emailAddress['address'], FILTER_VALIDATE_EMAIL)) {
return $emailAddress['address'];
}
return null;
}, (array) $collection);
$filteredCollection = array_values(array_filter($formattedCollection));
return count($filteredCollection) == 1 ? $filteredCollection[0] : $filteredCollection;
}
public function getMailboxByEmail($email)
{
foreach ($this->getRegisteredMailboxes() as $registeredMailbox) {
if (strtolower($email) === strtolower($registeredMailbox['imap_server']['username'])) {
return $registeredMailbox;
}
}
throw new \Exception("No mailbox found for email '$email'");
}
private function searchticketSubjectRefrence($senderEmail, $messageSubject) {
// Search Criteria: Find ticket based on subject
if (!empty($senderEmail) && !empty($messageSubject)) {
$threadRepository = $this->entityManager->getRepository(Thread::class);
$ticket = $threadRepository->findTicketBySubject($senderEmail, $messageSubject);
if ($ticket != null) {
return $ticket;
}
}
return null;
}
private function searchExistingTickets(array $criterias = [])
{
if (empty($criterias)) {
return null;
}
$ticketRepository = $this->entityManager->getRepository(Ticket::class);
$threadRepository = $this->entityManager->getRepository(Thread::class);
foreach ($criterias as $criteria => $criteriaValue) {
if (empty($criteriaValue)) {
continue;
}
switch ($criteria) {
case 'messageId':
// Search Criteria 1: Find ticket by unique message id
$ticket = $ticketRepository->findOneByReferenceIds($criteriaValue);
if (!empty($ticket)) {
return $ticket;
} else {
$thread = $threadRepository->findOneByMessageId($criteriaValue);
if (!empty($thread)) {
return $thread->getTicket();
}
}
break;
case 'inReplyTo':
// Search Criteria 2: Find ticket based on in-reply-to reference id
$repository = $this->entityManager->getRepository(Thread::class);
$ticket = $repository->findThreadByRefrenceId($criteriaValue);
if (!empty($ticket)) {
return $ticket;
} else {
$thread = $threadRepository->findOneByMessageId($criteriaValue);
if (!empty($thread)) {
return $thread->getTicket();
}
}
break;
case 'referenceIds':
// Search Criteria 3: Find ticket based on reference id
// Break references into ind. message id collection, and iteratively
// search for existing threads for these message ids.
$referenceIds = explode(' ', $criteriaValue);
foreach ($referenceIds as $messageId) {
$thread = $threadRepository->findOneByMessageId($messageId);
if (!empty($thread)) {
return $thread->getTicket();
}
}
break;
default:
break;
}
}
return null;
}
private function prepareResolvedEmailHeaders(EmailParser $emailParser): array
{
// Email headers with all sender/recipients details
$emailHeaders = [
'from' => $emailParser->getHeader('from') != false ? $emailParser->getHeader('from') : null,
'reply-to' => $emailParser->getHeader('reply-to') != false ? $emailParser->getHeader('reply-to') : null,
'to' => $emailParser->getHeader('to') != false ? $emailParser->getHeader('to') : null,
'cc' => $emailParser->getHeader('cc') != false ? $emailParser->getHeader('cc') : null,
'bcc' => $emailParser->getHeader('bcc') != false ? $emailParser->getHeader('bcc') : null,
'x-forwarded-to' => $emailParser->getHeader('x-forwarded-to') != false ? $emailParser->getHeader('x-forwarded-to') : null,
'delivered-to' => $emailParser->getHeader('delivered-to') != false ? $emailParser->getHeader('delivered-to') : null,
];
// If 'from' header is empty, use 'sender' header if provided instead
if (empty($emailHeaders['from']) && $emailParser->getHeader('sender') != false) {
$emailHeaders['from'] = $emailParser->getHeader('sender');
}
// Resolve & map only email addresses from email headers
$resolvedEmailHeaders = [];
foreach ($emailHeaders as $headerName => $headerContent) {
$resolvedEmailHeaders[$headerName] = null;
if (!empty($headerContent)) {
$parsedEmailAddresses = mailparse_rfc822_parse_addresses($headerContent);
$emailHeaders[$headerName] = $parsedEmailAddresses;
$resolvedEmailHeaders[$headerName] = $this->getEmailAddresses($parsedEmailAddresses);
}
}
return [$emailHeaders, $resolvedEmailHeaders];
}
public function processMail($emailContents)
{
$emailParser = $this->getLoadedEmailContentParser($emailContents);
list($emailHeaders, $resolvedEmailHeaders) = $this->prepareResolvedEmailHeaders($emailParser);
// Skip email processing if email is an auto-forwarded message to prevent infinite loop.
if (empty($resolvedEmailHeaders['from'])) {
// Skip email processing if no to-emails are specified
return [
'message' => "No sender email addresses were found while processing contents of email.",
'content' => [],
];
} else if (empty($resolvedEmailHeaders['to']) && empty($resolvedEmailHeaders['delivered-to']) && empty($resolvedEmailHeaders['cc'])) {
// Skip email processing if no recipient emails are specified
return [
'message' => "No recipient email addresses were found while processing contents of email.",
'content' => [
'from' => !empty($resolvedEmailHeaders['from']) ? $resolvedEmailHeaders['from'] : null,
],
];
} else {
// Skip email if it is auto-generated to prevent looping of emails
if ($emailParser->getHeader('precedence') || $emailParser->getHeader('x-autoreply') || $emailParser->getHeader('x-autorespond') || 'auto-replied' == $emailParser->getHeader('auto-submitted')) {
return [
'message' => "Received an auto-forwarded email which can lead to possible infinite loop of email exchanges. Skipping email from further processing.",
'content' => [
'from' => $resolvedEmailHeaders['from'] ?? null,
],
];
}
$website = $this->entityManager->getRepository(Website::class)->findOneByCode('knowledgebase');
// Skip email if sender email address is in block list
if ($this->container->get('ticket.service')->isEmailBlocked($resolvedEmailHeaders['from'], $website)) {
return [
'message' => "Received email where the sender email address is present in the block list. Skipping this email from further processing.",
'content' => [
'from' => $resolvedEmailHeaders['from'],
],
];
}
// Check for self-referencing
// 1. Skip email processing if a mailbox is configured by the sender's address
try {
$this->getMailboxByEmail($resolvedEmailHeaders['from']);
return [
'message' => "Received a self-referencing email where the sender email address matches one of the configured mailbox address. Skipping email from further processing.",
'content' => [
'from' => $resolvedEmailHeaders['from'],
],
];
} catch (\Exception $e) { /* No mailboxes found */ }
// 2. Skip email processing if a mailbox is configured by the reply-to email address
try {
if (!empty($resolvedEmailHeaders['reply-to'])) {
$this->getMailboxByEmail($resolvedEmailHeaders['reply-to']);
return [
'message' => "Received a self-referencing email where the reply-to email address matches one of the configured mailbox address. Skipping email from further processing.",
'content' => [
'from' => $resolvedEmailHeaders['reply-to'],
],
];
}
} catch (\Exception $e) { /* No mailboxes found */ }
}
// Trigger email recieved event
$event = new MaibloxWorkflowEvents\Email\EmailRecieved();
$event
->setEmailHeaders($emailHeaders)
->setResolvedEmailHeaders($resolvedEmailHeaders)
;
$this->container->get('event_dispatcher')->dispatch($event, 'uvdesk.automation.workflow.execute');
$emailHeaders = $event->getEmailHeaders();
$resolvedEmailHeaders = $event->getResolvedEmailHeaders();
$senderEmailAddress = $resolvedEmailHeaders['from'];
$senderName = trim(current(explode('@', $emailHeaders['from'][0]['display'])));
$mailboxEmail = null;
$mailboxEmailCandidates = array_merge((array) $resolvedEmailHeaders['to'], (array) $resolvedEmailHeaders['delivered-to'], (array) $resolvedEmailHeaders['cc']);
$mailboxEmailCandidates = array_values(array_unique(array_filter($mailboxEmailCandidates)));
foreach ($mailboxEmailCandidates as $emailAddress) {
try {
$mailbox = $this->getMailboxByEmail($emailAddress);
if (!empty($mailbox)) {
$mailboxEmail = $emailAddress;
break;
}
} catch (\Exception $e) { /* No mailboxes found */ }
}
// Process Mail - References
$mailData = [
'name' => $senderName,
'from' => $senderEmailAddress,
'role' => 'ROLE_CUSTOMER',
'source' => 'email',
'createdBy' => 'customer',
'mailboxEmail' => $mailboxEmail,
'cc' => $resolvedEmailHeaders['cc'] ?? [],
'bcc' => $resolvedEmailHeaders['bcc'] ?? [],
'messageId' => $emailParser->getHeader('message-id') != false ? $emailParser->getHeader('message-id') : null,
'inReplyTo' => $emailParser->getHeader('in-reply-to') != false ? htmlspecialchars_decode($emailParser->getHeader('in-reply-to')) : null,
'referenceIds' => $emailParser->getHeader('references') != false ? htmlspecialchars_decode($emailParser->getHeader('references')) : null,
'subject' => $emailParser->getHeader('subject') != false ? $emailParser->getHeader('subject') : null,
'text' => $emailParser->getMessageBody('text'),
'htmlEmbedded' => $emailParser->getMessageBody('htmlEmbedded'),
'attachments' => $emailParser->getAttachments(),
];
// Format message content
$htmlFilter = new HTMLFilter();
$mailData['text'] = autolink($htmlFilter->addClassEmailReplyQuote($mailData['text']));
$mailData['htmlEmbedded'] = autolink($htmlFilter->addClassEmailReplyQuote($mailData['htmlEmbedded']));
$mailData['message'] = !empty($mailData['htmlEmbedded']) ? $mailData['htmlEmbedded'] : $mailData['text'];
// Search for any existing tickets
$ticket = $this->searchExistingTickets([
'messageId' => $mailData['messageId'],
'inReplyTo' => $mailData['inReplyTo'],
'referenceIds' => $mailData['referenceIds'],
'from' => $mailData['from'],
'subject' => $mailData['subject'],
]);
if (empty($ticket)) {
$mailData['threadType'] = 'create';
$mailData['referenceIds'] = $mailData['messageId'];
// @TODO: Concatenate two tickets for same customer with same subject depending on settings
$thread = $this->container->get('ticket.service')->createTicket($mailData);
// Trigger ticket created event
$event = new CoreWorkflowEvents\Ticket\Create();
$event
->setTicket($thread->getTicket())
;
$this->container->get('event_dispatcher')->dispatch($event, 'uvdesk.automation.workflow.execute');
} else if (false === $ticket->getIsTrashed() && strtolower($ticket->getStatus()->getCode()) != 'spam' && !empty($mailData['inReplyTo'])) {
$ticketRef = $this->entityManager->getRepository(Ticket::class)->findById($ticket->getId());
$thread = $this->entityManager->getRepository(Thread::class)->findOneByMessageId($mailData['messageId']);
$referenceIds = explode(' ', $ticketRef[0]->getReferenceIds());
if (!empty($thread)) {
// Thread with the same message id exists skip process.
return [
'message' => "The contents of this email has already been processed.",
'content' => [
'from' => !empty($mailData['from']) ? $mailData['from'] : null,
'thread' => $thread->getId(),
'ticket' => $ticket->getId(),
],
];
}
if (in_array($mailData['messageId'], $referenceIds)) {
// Thread with the same message id exists skip process.
return [
'message' => "The contents of this email has already been processed.",
'content' => [
'from' => !empty($mailData['from']) ? $mailData['from'] : null,
],
];
}
if ($ticket->getCustomer() && $ticket->getCustomer()->getEmail() == $mailData['from']) {
// Reply from customer
$user = $ticket->getCustomer();
$mailData['user'] = $user;
$userDetails = $user->getCustomerInstance()->getPartialDetails();
} else if ($this->entityManager->getRepository(Ticket::class)->isTicketCollaborator($ticket, $mailData['from'])){
// Reply from collaborator
$user = $this->entityManager->getRepository(User::class)->findOneByEmail($mailData['from']);
$mailData['user'] = $user;
$mailData['createdBy'] = 'collaborator';
$userDetails = $user->getCustomerInstance()->getPartialDetails();
} else {
$user = $this->entityManager->getRepository(User::class)->findOneByEmail($mailData['from']);
if (!empty($user) && null != $user->getAgentInstance()) {
$mailData['user'] = $user;
$mailData['createdBy'] = 'agent';
$userDetails = $user->getAgentInstance()->getPartialDetails();
} else {
// Add user as a ticket collaborator
if (empty($user)) {
// Create a new user instance with customer support role
$role = $this->entityManager->getRepository(SupportRole::class)->findOneByCode('ROLE_CUSTOMER');
$user = $this->container->get('user.service')->createUserInstance($mailData['from'], $mailData['name'], $role, [
'source' => 'email',
'active' => true
]);
}
$mailData['user'] = $user;
$userDetails = $user->getCustomerInstance()->getPartialDetails();
if (false == $this->entityManager->getRepository(Ticket::class)->isTicketCollaborator($ticket, $mailData['from'])) {
$ticket->addCollaborator($user);
$this->entityManager->persist($ticket);
$this->entityManager->flush();
$ticket->lastCollaborator = $user;
$event = new CoreWorkflowEvents\Ticket\Collaborator();
$event
->setTicket($ticket)
;
$this->container->get('event_dispatcher')->dispatch($event, 'uvdesk.automation.workflow.execute');
}
}
}
$mailData['threadType'] = 'reply';
$mailData['fullname'] = $userDetails['name'];
$thread = $this->container->get('ticket.service')->createThread($ticket, $mailData);
if ($thread->getThreadType() == 'reply') {
if ($thread->getCreatedBy() == 'customer') {
$event = new CoreWorkflowEvents\Ticket\CustomerReply();
$event
->setTicket($ticket)
;
} else if ($thread->getCreatedBy() == 'collaborator') {
$event = new CoreWorkflowEvents\Ticket\CollaboratorReply();
$event
->setTicket($ticket)
;
} else {
$event = new CoreWorkflowEvents\Ticket\AgentReply();
$event
->setTicket($ticket)
;
}
}
// Trigger thread reply event
$this->container->get('event_dispatcher')->dispatch($event, 'uvdesk.automation.workflow.execute');
} else if (false === $ticket->getIsTrashed() && strtolower($ticket->getStatus()->getCode()) != 'spam' && empty($mailData['inReplyTo'])) {
return [
'message' => "The contents of this email has already been processed.",
'content' => [
'from' => !empty($mailData['from']) ? $mailData['from'] : null,
'thread' => !empty($thread) ? $thread->getId() : null,
'ticket' => !empty($ticket) ? $ticket->getId() : null,
],
];
}
return [
'message' => "Inbound email processsed successfully.",
'content' => [
'from' => !empty($mailData['from']) ? $mailData['from'] : null,
'thread' => !empty($thread) ? $thread->getId() : null,
'ticket' => !empty($ticket) ? $ticket->getId() : null,
],
];
}
}

vendor/uvdesk/mailbox-component/Services/MailboxService.php line 100