itflow/cron_ticket_email_parser.php

243 lines
10 KiB
PHP

<?php
/*
* CRON - Email Parser
* Process emails and create/update tickets using PHP's native IMAP functions with UIDs
*/
// Set working directory to the directory this cron script lives at.
chdir(dirname(__FILE__));
// Get ITFlow config & helper functions
require_once "config.php";
// Set Timezone
require_once "inc_set_timezone.php";
require_once "functions.php";
// Get settings for the "default" company
require_once "get_settings.php";
$config_ticket_prefix = sanitizeInput($config_ticket_prefix);
$config_ticket_from_name = sanitizeInput($config_ticket_from_name);
$config_ticket_email_parse_unknown_senders = intval($row['config_ticket_email_parse_unknown_senders']);
// Get company name & phone & timezone
$sql = mysqli_query($mysqli, "SELECT * FROM companies, settings WHERE companies.company_id = settings.company_id AND companies.company_id = 1");
$row = mysqli_fetch_array($sql);
$company_name = sanitizeInput($row['company_name']);
$company_phone = sanitizeInput(formatPhoneNumber($row['company_phone']));
// Check setting enabled
if ($config_ticket_email_parse == 0) {
exit("Email Parser: Feature is not enabled - check Settings > Ticketing > Email-to-ticket parsing. See https://docs.itflow.org/ticket_email_parse -- Quitting..");
}
$argv = $_SERVER['argv'];
// Check Cron Key
if ($argv[1] !== $config_cron_key) {
exit("Cron Key invalid -- Quitting..");
}
// Get system temp directory
$temp_dir = sys_get_temp_dir();
// Create the path for the lock file using the temp directory
$lock_file_path = "{$temp_dir}/itflow_email_parser_{$installation_id}.lock";
// Check for lock file to prevent concurrent script runs
if (file_exists($lock_file_path)) {
$file_age = time() - filemtime($lock_file_path);
// If file is older than 5 minutes (300 seconds), delete and continue
if ($file_age > 300) {
unlink($lock_file_path);
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Cron-Email-Parser', log_action = 'Delete', log_description = 'Cron Email Parser detected a lock file was present but was over 5 minutes old so it removed it'");
} else {
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Cron-Email-Parser', log_action = 'Locked', log_description = 'Cron Email Parser attempted to execute but was already executing, so instead it terminated.'");
exit("Script is already running. Exiting.");
}
}
// Create a lock file
file_put_contents($lock_file_path, "Locked");
// PHP Mail Parser
use PhpMimeMailParser\Parser;
require_once "plugins/php-mime-mail-parser/Contracts/CharsetManager.php";
require_once "plugins/php-mime-mail-parser/Contracts/Middleware.php";
require_once "plugins/php-mime-mail-parser/Attachment.php";
require_once "plugins/php-mime-mail-parser/Charset.php";
require_once "plugins/php-mime-mail-parser/Exception.php";
require_once "plugins/php-mime-mail-parser/Middleware.php";
require_once "plugins/php-mime-mail-parser/MiddlewareStack.php";
require_once "plugins/php-mime-mail-parser/MimePart.php";
require_once "plugins/php-mime-mail-parser/Parser.php";
// Allowed attachment extensions
$allowed_extensions = array('jpg', 'jpeg', 'gif', 'png', 'webp', 'pdf', 'txt', 'md', 'doc', 'docx', 'csv', 'xls', 'xlsx', 'xlsm', 'zip', 'tar', 'gz');
// ... [Your existing functions: addTicket(), addReply(), createMailboxFolder() remain unchanged] ...
// Initialize IMAP connection
$validate_cert = true; // or false based on your configuration
$imap_encryption = $config_imap_encryption; // e.g., 'ssl' or 'tls'
$mailbox = '{' . $config_imap_host . ':' . $config_imap_port . '/' . $imap_encryption;
if ($validate_cert) {
$mailbox .= '/validate-cert';
} else {
$mailbox .= '/novalidate-cert';
}
$mailbox .= '}';
$inbox_mailbox = $mailbox . 'INBOX';
$imap = imap_open($inbox_mailbox, $config_imap_username, $config_imap_password);
if ($imap === false) {
echo "Error connecting to IMAP server: " . imap_last_error();
exit;
}
// Create the "ITFlow" mailbox folder if it doesn't exist
createMailboxFolder($imap, $mailbox, 'ITFlow');
// Search for unseen messages and get UIDs
$emails = imap_search($imap, 'UNSEEN', SE_UID);
if ($emails !== false) {
foreach ($emails as $email_uid) {
$email_processed = false;
// Save original message
mkdirMissing('uploads/tmp/');
$original_message_file = "processed-eml-" . randomString(200) . ".eml";
$raw_message = imap_fetchheader($imap, $email_uid, FT_UID) . imap_body($imap, $email_uid, FT_UID);
file_put_contents("uploads/tmp/{$original_message_file}", $raw_message);
// Parse the message using php-mime-mail-parser
$parser = new \PhpMimeMailParser\Parser();
$parser->setText($raw_message);
// Get from address
$from_addresses = $parser->getAddresses('from');
$from_email = sanitizeInput($from_addresses[0]['address'] ?? 'itflow-guest@example.com');
$from_name = sanitizeInput($from_addresses[0]['display'] ?? 'Unknown');
$from_domain = explode("@", $from_email);
$from_domain = sanitizeInput(end($from_domain));
// Get subject
$subject = sanitizeInput($parser->getHeader('subject') ?? 'No Subject');
// Get date
$date = sanitizeInput($parser->getHeader('date') ?? date('Y-m-d H:i:s'));
// Get message body
$message_body_html = $parser->getMessageBody('html');
$message_body_text = $parser->getMessageBody('text');
$message_body = $message_body_html ?: nl2br(htmlspecialchars($message_body_text));
// Handle inline images
$attachments = $parser->getAttachments();
$inline_attachments = [];
foreach ($attachments as $attachment) {
if ($attachment->getContentDisposition() === 'inline' && $attachment->getContentID()) {
$cid = trim($attachment->getContentID(), '<>');
$data = base64_encode($attachment->getContent());
$mime = $attachment->getContentType();
$dataUri = "data:$mime;base64,$data";
$message_body = str_replace("cid:$cid", $dataUri, $message_body);
} else {
$inline_attachments[] = $attachment;
}
}
$attachments = $inline_attachments;
// Process the email
if (preg_match("/\[$config_ticket_prefix(\d+)\]/", $subject, $ticket_number_matches)) {
$ticket_number = intval($ticket_number_matches[1]);
if (addReply($from_email, $date, $subject, $ticket_number, $message_body, $attachments)) {
$email_processed = true;
}
} else {
// Check if the sender is a known contact
$from_email_esc = mysqli_real_escape_string($mysqli, $from_email);
$any_contact_sql = mysqli_query($mysqli, "SELECT * FROM contacts WHERE contact_email = '$from_email_esc' LIMIT 1");
$row = mysqli_fetch_array($any_contact_sql);
if ($row) {
$contact_name = sanitizeInput($row['contact_name']);
$contact_id = intval($row['contact_id']);
$contact_email = sanitizeInput($row['contact_email']);
$client_id = intval($row['contact_client_id']);
if (addTicket($contact_id, $contact_name, $contact_email, $client_id, $date, $subject, $message_body, $attachments, $original_message_file)) {
$email_processed = true;
}
} else {
// Check if the domain is associated with a client
$from_domain_esc = mysqli_real_escape_string($mysqli, $from_domain);
$domain_sql = mysqli_query($mysqli, "SELECT * FROM domains WHERE domain_name = '$from_domain_esc' LIMIT 1");
$row = mysqli_fetch_assoc($domain_sql);
if ($row && $from_domain == $row['domain_name']) {
$client_id = intval($row['domain_client_id']);
// Create a new contact
$password = password_hash(randomString(), PASSWORD_DEFAULT);
$contact_name = $from_name;
$contact_email = $from_email;
mysqli_query($mysqli, "INSERT INTO contacts SET contact_name = '".mysqli_real_escape_string($mysqli, $contact_name)."', contact_email = '".mysqli_real_escape_string($mysqli, $contact_email)."', contact_notes = 'Added automatically via email parsing.', contact_password_hash = '$password', contact_client_id = $client_id");
$contact_id = mysqli_insert_id($mysqli);
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Contact', log_action = 'Create', log_description = 'Email parser: created contact ".mysqli_real_escape_string($mysqli, $contact_name)."', log_client_id = $client_id");
customAction('contact_create', $contact_id);
if (addTicket($contact_id, $contact_name, $contact_email, $client_id, $date, $subject, $message_body, $attachments, $original_message_file)) {
$email_processed = true;
}
} elseif ($config_ticket_email_parse_unknown_senders) {
// Parse even if the sender is unknown
$bad_from_pattern = "/daemon|postmaster/i";
if (!(preg_match($bad_from_pattern, $from_email))) {
if (addTicket(0, $from_name, $from_email, 0, $date, $subject, $message_body, $attachments, $original_message_file)) {
$email_processed = true;
}
}
}
}
}
if ($email_processed) {
// Mark the message as seen
imap_setflag_full($imap, $email_uid, "\\Seen", ST_UID);
// Move the message to the 'ITFlow' folder
imap_mail_move($imap, $email_uid, 'ITFlow', CP_UID);
} else {
// Flag the message for manual review without marking it as read
imap_setflag_full($imap, $email_uid, "\\Flagged", ST_UID);
// Clear the Seen flag to ensure the email remains unread
imap_clearflag_full($imap, $email_uid, "\\Seen", ST_UID);
}
// Delete the temporary message file
if (file_exists("uploads/tmp/{$original_message_file}")) {
unlink("uploads/tmp/{$original_message_file}");
}
}
}
// Expunge deleted mails
imap_expunge($imap);
// Close the IMAP connection
imap_close($imap);
// Remove the lock file
unlink($lock_file_path);
?>