" Internet Explorer",
'/firefox/i' => " Firefox",
'/safari/i' => " Safari",
'/chrome/i' => " Chrome",
'/edg/i' => " Edge",
'/opr/i' => " Opera",
'/ddg/i' => " DuckDuckGo"
);
foreach ($browser_array as $regex => $value) {
if (preg_match($regex, $user_browser)) {
$browser = $value;
}
}
return $browser;
}
function getOS($user_os) {
$os_platform = "-";
$os_array = array(
'/windows/i' => " Windows",
'/macintosh|mac os x/i' => " MacOS",
'/linux/i' => " Linux",
'/ubuntu/i' => " Ubuntu",
'/fedora/i' => " Fedora",
'/iphone/i' => " iPhone",
'/ipad/i' => " iPad",
'/android/i' => " Android"
);
foreach ($os_array as $regex => $value) {
if (preg_match($regex, $user_os)) {
$os_platform = $value;
}
}
return $os_platform;
}
function getDevice() {
$tablet_browser = 0;
$mobile_browser = 0;
if (preg_match('/(tablet|ipad|playbook)|(android(?!.*(mobi|opera mini)))/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
$tablet_browser++;
}
if (preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|android|iemobile)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
$mobile_browser++;
}
if ((strpos(strtolower($_SERVER['HTTP_ACCEPT']), 'application/vnd.wap.xhtml+xml') > 0) || ((isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])))) {
$mobile_browser++;
}
$mobile_ua = strtolower(substr(getUserAgent(), 0, 4));
$mobile_agents = array(
'w3c ', 'acs-', 'alav', 'alca', 'amoi', 'audi', 'avan', 'benq', 'bird', 'blac',
'blaz', 'brew', 'cell', 'cldc', 'cmd-', 'dang', 'doco', 'eric', 'hipt', 'inno',
'ipaq', 'java', 'jigs', 'kddi', 'keji', 'leno', 'lg-c', 'lg-d', 'lg-g', 'lge-',
'maui', 'maxo', 'midp', 'mits', 'mmef', 'mobi', 'mot-', 'moto', 'mwbp', 'nec-',
'newt', 'noki', 'palm', 'pana', 'pant', 'phil', 'play', 'port', 'prox',
'qwap', 'sage', 'sams', 'sany', 'sch-', 'sec-', 'send', 'seri', 'sgh-', 'shar',
'sie-', 'siem', 'smal', 'smar', 'sony', 'sph-', 'symb', 't-mo', 'teli', 'tim-',
'tosh', 'tsm-', 'upg1', 'upsi', 'vk-v', 'voda', 'wap-', 'wapa', 'wapi', 'wapp',
'wapr', 'webc', 'winw', 'winw', 'xda ', 'xda-'
);
if (in_array($mobile_ua, $mobile_agents)) {
$mobile_browser++;
}
if (strpos(strtolower(getUserAgent()), 'opera mini') > 0) {
$mobile_browser++;
//Check for tablets on Opera Mini alternative headers
$stock_ua = strtolower(isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA']) ? $_SERVER['HTTP_X_OPERAMINI_PHONE_UA'] : (isset($_SERVER['HTTP_DEVICE_STOCK_UA']) ? $_SERVER['HTTP_DEVICE_STOCK_UA'] : ''));
if (preg_match('/(tablet|ipad|playbook)|(android(?!.*mobile))/i', $stock_ua)) {
$tablet_browser++;
}
}
if ($tablet_browser > 0) {
//do something for tablet devices
return 'Tablet';
} else if ($mobile_browser > 0) {
//do something for mobile devices
return 'Mobile';
} else {
//do something for everything else
return 'Computer';
}
}
function truncate($text, $chars) {
if (strlen($text) <= $chars) {
return $text;
}
$text = $text . " ";
$text = substr($text, 0, $chars);
$lastSpacePos = strrpos($text, ' ');
if ($lastSpacePos !== false) {
$text = substr($text, 0, $lastSpacePos);
}
return $text . "...";
}
function formatPhoneNumber($phoneNumber, $country_code = '', $show_country_code = false) {
// Remove all non-digit characters
$digits = preg_replace('/\D/', '', $phoneNumber ?? '');
$formatted = '';
// If no digits at all, fallback early
if (strlen($digits) === 0) {
return $phoneNumber;
}
// Helper function to safely check the first digit
$startsWith = function($str, $char) {
return isset($str[0]) && $str[0] === $char;
};
switch ($country_code) {
case '1': // USA/Canada
if (strlen($digits) === 10) {
$formatted = '(' . substr($digits, 0, 3) . ') ' . substr($digits, 3, 3) . '-' . substr($digits, 6);
}
break;
case '44': // UK
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
if (strlen($digits) === 10) {
$formatted = '0' . substr($digits, 0, 4) . ' ' . substr($digits, 4, 3) . ' ' . substr($digits, 7);
}
break;
case '61': // Australia
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
if (strlen($digits) === 9) {
$formatted = '0' . substr($digits, 0, 4) . ' ' . substr($digits, 4, 3) . ' ' . substr($digits, 7);
}
break;
case '91': // India
if (strlen($digits) === 10) {
$formatted = substr($digits, 0, 5) . ' ' . substr($digits, 5);
}
break;
case '81': // Japan
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
if (strlen($digits) >= 9 && strlen($digits) <= 10) {
$formatted = '0' . substr($digits, 0, 2) . '-' . substr($digits, 2, 4) . '-' . substr($digits, 6);
}
break;
case '49': // Germany
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
if (strlen($digits) >= 10) {
$formatted = '0' . substr($digits, 0, 3) . ' ' . substr($digits, 3);
}
break;
case '33': // France
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
if (strlen($digits) === 9) {
$formatted = '0' . implode(' ', str_split($digits, 2));
}
break;
case '34': // Spain
if (strlen($digits) === 9) {
$formatted = substr($digits, 0, 3) . ' ' . substr($digits, 3, 3) . ' ' . substr($digits, 6);
}
break;
case '39': // Italy
if ($startsWith($digits, '0')) {
$digits = substr($digits, 1);
}
$formatted = '0' . implode(' ', str_split($digits, 3));
break;
case '55': // Brazil
if (strlen($digits) === 11) {
$formatted = '(' . substr($digits, 0, 2) . ') ' . substr($digits, 2, 5) . '-' . substr($digits, 7);
}
break;
case '7': // Russia
if ($startsWith($digits, '8')) {
$digits = substr($digits, 1);
}
if (strlen($digits) === 10) {
$formatted = '8 (' . substr($digits, 0, 3) . ') ' . substr($digits, 3, 3) . '-' . substr($digits, 6, 2) . '-' . substr($digits, 8);
}
break;
case '86': // China
if (strlen($digits) === 11) {
$formatted = substr($digits, 0, 3) . ' ' . substr($digits, 3, 4) . ' ' . substr($digits, 7);
}
break;
case '82': // South Korea
if (strlen($digits) === 11) {
$formatted = substr($digits, 0, 3) . '-' . substr($digits, 3, 4) . '-' . substr($digits, 7);
}
break;
case '62': // Indonesia
if (!$startsWith($digits, '0')) {
$digits = '0' . $digits;
}
if (strlen($digits) === 12) {
$formatted = substr($digits, 0, 4) . ' ' . substr($digits, 4, 4) . ' ' . substr($digits, 8);
}
break;
case '63': // Philippines
if (strlen($digits) === 11) {
$formatted = substr($digits, 0, 4) . ' ' . substr($digits, 4, 3) . ' ' . substr($digits, 7);
}
break;
case '234': // Nigeria
if (!$startsWith($digits, '0')) {
$digits = '0' . $digits;
}
if (strlen($digits) === 11) {
$formatted = substr($digits, 0, 4) . ' ' . substr($digits, 4, 3) . ' ' . substr($digits, 7);
}
break;
case '27': // South Africa
if (strlen($digits) >= 9 && strlen($digits) <= 10) {
$formatted = substr($digits, 0, 3) . ' ' . substr($digits, 3, 3) . ' ' . substr($digits, 6);
}
break;
case '971': // UAE
if (strlen($digits) === 9) {
$formatted = substr($digits, 0, 3) . ' ' . substr($digits, 3, 3) . ' ' . substr($digits, 6);
}
break;
default:
// fallback — do nothing, use raw digits later
break;
}
if (!$formatted) {
$formatted = $digits ?: $phoneNumber;
}
return $show_country_code && $country_code ? "+$country_code $formatted" : $formatted;
}
function mkdirMissing($dir) {
if (!is_dir($dir)) {
mkdir($dir);
}
}
// Called during initial setup
// Encrypts the master key with the user's password
function setupFirstUserSpecificKey($user_password, $site_encryption_master_key) {
$iv = randomString();
$salt = randomString();
//Generate 128-bit (16 byte/char) kdhash of the users password
$user_password_kdhash = hash_pbkdf2('sha256', $user_password, $salt, 100000, 16);
//Encrypt the master key with the users kdf'd hash and the IV
$ciphertext = openssl_encrypt($site_encryption_master_key, 'aes-128-cbc', $user_password_kdhash, 0, $iv);
return $salt . $iv . $ciphertext;
}
/*
* For additional users / password changes (and now the API)
* New Users: Requires the admin setting up their account have a Specific/Session key configured
* Password Changes: Will use the current info in the session.
*/
function encryptUserSpecificKey($user_password) {
$iv = randomString();
$salt = randomString();
// Get the session info.
$user_encryption_session_ciphertext = $_SESSION['user_encryption_session_ciphertext'];
$user_encryption_session_iv = $_SESSION['user_encryption_session_iv'];
$user_encryption_session_key = $_COOKIE['user_encryption_session_key'];
// Decrypt the session key to get the master key
$site_encryption_master_key = openssl_decrypt($user_encryption_session_ciphertext, 'aes-128-cbc', $user_encryption_session_key, 0, $user_encryption_session_iv);
// Generate 128-bit (16 byte/char) kdhash of the users (new) password
$user_password_kdhash = hash_pbkdf2('sha256', $user_password, $salt, 100000, 16);
// Encrypt the master key with the users kdf'd hash and the IV
$ciphertext = openssl_encrypt($site_encryption_master_key, 'aes-128-cbc', $user_password_kdhash, 0, $iv);
return $salt . $iv . $ciphertext;
}
// Given a ciphertext (incl. IV) and the user's (or API key) password, returns the site master key
// Ran at login, to facilitate generateUserSessionKey
function decryptUserSpecificKey($user_encryption_ciphertext, $user_password)
{
//Get the IV, salt and ciphertext
$salt = substr($user_encryption_ciphertext, 0, 16);
$iv = substr($user_encryption_ciphertext, 16, 16);
$ciphertext = substr($user_encryption_ciphertext, 32);
//Generate 128-bit (16 byte/char) kdhash of the users password
$user_password_kdhash = hash_pbkdf2('sha256', $user_password, $salt, 100000, 16);
//Use this hash to get the original/master key
return openssl_decrypt($ciphertext, 'aes-128-cbc', $user_password_kdhash, 0, $iv);
}
/*
Generates what is probably best described as a session key (ephemeral-ish)
- Allows us to store the master key on the server whilst the user is using the application, without prompting to type their password everytime they want to decrypt a credential
- Ciphertext/IV is stored on the server in the users' session, encryption key is controlled/provided by the user as a cookie
- Only the user can decrypt their session ciphertext to get the master key
- Encryption key never hits the disk in cleartext
*/
function generateUserSessionKey($site_encryption_master_key)
{
$user_encryption_session_key = randomString();
$user_encryption_session_iv = randomString();
$user_encryption_session_ciphertext = openssl_encrypt($site_encryption_master_key, 'aes-128-cbc', $user_encryption_session_key, 0, $user_encryption_session_iv);
// Store ciphertext in the user's session
$_SESSION['user_encryption_session_ciphertext'] = $user_encryption_session_ciphertext;
$_SESSION['user_encryption_session_iv'] = $user_encryption_session_iv;
// Give the user "their" key as a cookie
include 'config.php';
if ($config_https_only) {
setcookie("user_encryption_session_key", "$user_encryption_session_key", ['path' => '/', 'secure' => true, 'httponly' => true, 'samesite' => 'None']);
} else {
setcookie("user_encryption_session_key", $user_encryption_session_key, 0, "/");
$_SESSION['alert_message'] = "Unencrypted connection flag set: Using non-secure cookies.";
}
}
// Decrypts an encrypted password (website/asset credentials), returns it as a string
function decryptCredentialEntry($credential_password_ciphertext)
{
// Split the credential into IV and Ciphertext
$credential_iv = substr($credential_password_ciphertext, 0, 16);
$credential_ciphertext = $salt = substr($credential_password_ciphertext, 16);
// Get the user session info.
$user_encryption_session_ciphertext = $_SESSION['user_encryption_session_ciphertext'];
$user_encryption_session_iv = $_SESSION['user_encryption_session_iv'];
$user_encryption_session_key = $_COOKIE['user_encryption_session_key'];
// Decrypt the session key to get the master key
$site_encryption_master_key = openssl_decrypt($user_encryption_session_ciphertext, 'aes-128-cbc', $user_encryption_session_key, 0, $user_encryption_session_iv);
// Decrypt the credential password using the master key
return openssl_decrypt($credential_ciphertext, 'aes-128-cbc', $site_encryption_master_key, 0, $credential_iv);
}
// Encrypts a website/asset credential password
function encryptCredentialEntry($credential_password_cleartext)
{
$iv = randomString();
// Get the user session info.
$user_encryption_session_ciphertext = $_SESSION['user_encryption_session_ciphertext'];
$user_encryption_session_iv = $_SESSION['user_encryption_session_iv'];
$user_encryption_session_key = $_COOKIE['user_encryption_session_key'];
//Decrypt the session key to get the master key
$site_encryption_master_key = openssl_decrypt($user_encryption_session_ciphertext, 'aes-128-cbc', $user_encryption_session_key, 0, $user_encryption_session_iv);
//Encrypt the website/asset credential using the master key
$ciphertext = openssl_encrypt($credential_password_cleartext, 'aes-128-cbc', $site_encryption_master_key, 0, $iv);
return $iv . $ciphertext;
}
function apiDecryptCredentialEntry($credential_ciphertext, $api_key_decrypt_hash, #[\SensitiveParameter]$api_key_decrypt_password)
{
// Split the Credential entry (username/password) into IV and Ciphertext
$credential_iv = substr($credential_ciphertext, 0, 16);
$credential_ciphertext = $salt = substr($credential_ciphertext, 16);
// Decrypt the api hash to get the master key
$site_encryption_master_key = decryptUserSpecificKey($api_key_decrypt_hash, $api_key_decrypt_password);
// Decrypt the credential password using the master key
return openssl_decrypt($credential_ciphertext, 'aes-128-cbc', $site_encryption_master_key, 0, $credential_iv);
}
function apiEncryptCredentialEntry(#[\SensitiveParameter]$credential_cleartext, $api_key_decrypt_hash, #[\SensitiveParameter]$api_key_decrypt_password)
{
$iv = randomString();
// Decrypt the api hash to get the master key
$site_encryption_master_key = decryptUserSpecificKey($api_key_decrypt_hash, $api_key_decrypt_password);
// Encrypt the credential using the master key
$ciphertext = openssl_encrypt($credential_cleartext, 'aes-128-cbc', $site_encryption_master_key, 0, $iv);
return $iv . $ciphertext;
}
// Get domain general info (whois + NS/A/MX records)
function getDomainRecords($name)
{
$records = array();
// Only run if we think the domain is valid
if (!filter_var($name, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME) || !checkdnsrr($name, 'SOA')) {
$records['a'] = '';
$records['ns'] = '';
$records['mx'] = '';
$records['whois'] = '';
return $records;
}
$domain = escapeshellarg(str_replace('www.', '', $name));
// Get A, NS, MX, TXT, and WHOIS records
$records['a'] = trim(strip_tags(shell_exec("dig +short $domain")));
$records['ns'] = trim(strip_tags(shell_exec("dig +short NS $domain")));
$records['mx'] = trim(strip_tags(shell_exec("dig +short MX $domain")));
$records['txt'] = trim(strip_tags(shell_exec("dig +short TXT $domain")));
$records['whois'] = substr(trim(strip_tags(shell_exec("whois -H $domain | head -30 | sed 's/ //g'"))), 0, 254);
// Sort A records (if multiple records exist)
if (!empty($records['a'])) {
$a_records = explode("\n", $records['a']);
array_walk($a_records, function(&$record) {
$record = trim($record);
});
sort($a_records);
$records['a'] = implode("\n", $a_records);
}
// Sort NS records (if multiple records exist)
if (!empty($records['ns'])) {
$ns_records = explode("\n", $records['ns']);
array_walk($ns_records, function(&$record) {
$record = trim($record);
});
sort($ns_records);
$records['ns'] = implode("\n", $ns_records);
}
// Sort MX records (if multiple records exist)
if (!empty($records['mx'])) {
$mx_records = explode("\n", $records['mx']);
array_walk($mx_records, function(&$record) {
$record = trim($record);
});
sort($mx_records);
$records['mx'] = implode("\n", $mx_records);
}
// Sort TXT records (if multiple records exist)
if (!empty($records['txt'])) {
$txt_records = explode("\n", $records['txt']);
array_walk($txt_records, function(&$record) {
$record = trim($record);
});
sort($txt_records);
$records['txt'] = implode("\n", $txt_records);
}
return $records;
}
// Used to automatically attempt to get SSL certificates as part of adding domains
// The logic for the fetch (sync) button on the client_certificates page is in ajax.php, and allows ports other than 443
function getSSL($full_name)
{
// Parse host and port
$name = parse_url("//$full_name", PHP_URL_HOST);
$port = parse_url("//$full_name", PHP_URL_PORT);
// Default port
if (!$port) {
$port = "443";
}
$certificate = array();
$certificate['success'] = false;
// Only run if we think the domain is valid
if (!filter_var($name, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) {
$certificate['expire'] = '';
$certificate['issued_by'] = '';
$certificate['public_key'] = '';
return $certificate;
}
// Get SSL/TSL certificate (using verify peer false to allow for self-signed certs) for domain on default port
$socket = "ssl://$name:$port";
$get = stream_context_create(array("ssl" => array("capture_peer_cert" => true, "verify_peer" => false,)));
$read = stream_socket_client($socket, $errno, $errstr, 5, STREAM_CLIENT_CONNECT, $get);
// If the socket connected
if ($read) {
$cert = stream_context_get_params($read);
$cert_public_key_obj = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);
openssl_x509_export($cert['options']['ssl']['peer_certificate'], $export);
if ($cert_public_key_obj) {
$certificate['success'] = true;
$certificate['expire'] = date('Y-m-d', $cert_public_key_obj['validTo_time_t']);
$certificate['issued_by'] = strip_tags($cert_public_key_obj['issuer']['O']);
$certificate['public_key'] = $export;
}
}
return $certificate;
}
function strtoAZaz09($string)
{
// Gets rid of non-alphanumerics
return preg_replace('/[^A-Za-z0-9_-]/', '', $string);
}
// Cross-Site Request Forgery check for sensitive functions
// Validates the CSRF token provided matches the one in the users session
function validateCSRFToken($token)
{
if (hash_equals($token, $_SESSION['csrf_token'])) {
return true;
} else {
$_SESSION['alert_type'] = "warning";
$_SESSION['alert_message'] = "CSRF token verification failed. Try again, or log out to refresh your token.";
header("Location: index.php");
exit();
}
}
/*
* LEGACY Role validation
* Admin - 3
* Tech - 2
* Accountant - 1
*/
function validateAdminRole() {
global $session_user_role;
if (!isset($session_user_role) || $session_user_role != 3) {
$_SESSION['alert_type'] = "danger";
$_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED;
header("Location: " . $_SERVER["HTTP_REFERER"]);
exit();
}
}
// LEGACY
// Validates a user is a tech (or admin). Stops page load and attempts to direct away from the page if not (i.e. user is an accountant)
function validateTechRole() {
global $session_user_role;
if (!isset($session_user_role) || $session_user_role == 1) {
$_SESSION['alert_type'] = "danger";
$_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED;
header("Location: " . $_SERVER["HTTP_REFERER"]);
exit();
}
}
// LEGACY
// Validates a user is an accountant (or admin). Stops page load and attempts to direct away from the page if not (i.e. user is a tech)
function validateAccountantRole() {
global $session_user_role;
if (!isset($session_user_role) || $session_user_role == 2) {
$_SESSION['alert_type'] = "danger";
$_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED;
header("Location: " . $_SERVER["HTTP_REFERER"]);
exit();
}
}
// Send a single email to a single recipient
function sendSingleEmail($config_smtp_host, $config_smtp_username, $config_smtp_password, $config_smtp_encryption, $config_smtp_port, $from_email, $from_name, $to_email, $to_name, $subject, $body, $ics_str)
{
$mail = new PHPMailer(true);
if (empty($config_smtp_username)) {
$smtp_auth = false;
} else {
$smtp_auth = true;
}
try {
// Mail Server Settings
$mail->CharSet = "UTF-8"; // Specify UTF-8 charset to ensure symbols ($/£) load correctly
$mail->SMTPDebug = 0; // No Debugging
$mail->isSMTP(); // Set mailer to use SMTP
$mail->Host = $config_smtp_host; // Specify SMTP server
$mail->SMTPAuth = $smtp_auth; // Enable SMTP authentication
$mail->Username = $config_smtp_username; // SMTP username
$mail->Password = $config_smtp_password; // SMTP password
if ($config_smtp_encryption == 'None') {
$mail->SMTPOptions = array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false,
));
$mail->SMTPSecure = false;
$mail->SMTPAutoTLS = false;
} else {
$mail->SMTPSecure = $config_smtp_encryption; // Enable TLS encryption, `ssl` also accepted
}
$mail->Port = $config_smtp_port; // TCP port to connect to
//Recipients
$mail->setFrom($from_email, $from_name);
$mail->addAddress("$to_email", "$to_name"); // Add a recipient
// Content
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = "$subject"; // Subject
$mail->Body = "
$body
"; // Content
// Attachments - todo
//$mail->addAttachment('/var/tmp/file.tar.gz'); // Add attachments
//$mail->addAttachment('/tmp/image.jpg', 'new.jpg'); // Optional name
if (!empty($ics_str)) {
$mail->addStringAttachment($ics_str, 'Scheduled_ticket.ics', 'base64', 'text/calendar');
}
// Send
$mail->send();
// Return true if this was successful
return true;
} catch (Exception $e) {
// If we couldn't send the message return the error, so we can log it in the database (truncated)
error_log("ITFlow - Failed to send email: " . $mail->ErrorInfo);
return substr("Mailer Error: $mail->ErrorInfo", 0, 100) . "...";
}
}
function roundUpToNearestMultiple($n, $increment = 1000)
{
return (int) ($increment * ceil($n / $increment));
}
function getAssetIcon($asset_type)
{
if ($asset_type == 'Laptop') {
$device_icon = "laptop";
} elseif ($asset_type == 'Desktop') {
$device_icon = "desktop";
} elseif ($asset_type == 'Server') {
$device_icon = "server";
} elseif ($asset_type == 'Printer') {
$device_icon = "print";
} elseif ($asset_type == 'Camera') {
$device_icon = "video";
} elseif ($asset_type == 'Switch') {
$device_icon = "network-wired";
} elseif ($asset_type == 'Firewall/Router') {
$device_icon = "fire-alt";
} elseif ($asset_type == 'Access Point') {
$device_icon = "wifi";
} elseif ($asset_type == 'Phone') {
$device_icon = "phone";
} elseif ($asset_type == 'Mobile Phone') {
$device_icon = "mobile-alt";
} elseif ($asset_type == 'Tablet') {
$device_icon = "tablet-alt";
} elseif ($asset_type == 'Display') {
$device_icon = "tv";
} elseif ($asset_type == 'Virtual Machine') {
$device_icon = "cloud";
} else {
$device_icon = "tag";
}
return $device_icon;
}
function getInvoiceBadgeColor($invoice_status)
{
if ($invoice_status == "Sent") {
$invoice_badge_color = "warning text-white";
} elseif ($invoice_status == "Viewed") {
$invoice_badge_color = "info";
} elseif ($invoice_status == "Partial") {
$invoice_badge_color = "primary";
} elseif ($invoice_status == "Paid") {
$invoice_badge_color = "success";
} elseif ($invoice_status == "Cancelled") {
$invoice_badge_color = "danger";
} else {
$invoice_badge_color = "secondary";
}
return $invoice_badge_color;
}
// Pass $_FILE['file'] to check an uploaded file before saving it
function checkFileUpload($file, $allowed_extensions)
{
// Variables
$name = $file['name'];
$tmp = $file['tmp_name'];
$size = $file['size'];
$extarr = explode('.', $name);
$extension = strtolower(end($extarr));
// Check a file is actually attached/uploaded
if ($tmp === '') {
// No file uploaded
return false;
}
// Check the extension is allowed
if (!in_array($extension, $allowed_extensions)) {
// Extension not allowed
return false;
}
// Check the size is under 500 MB
$maxSizeBytes = 500 * 1024 * 1024; // 500 MB
if ($size > $maxSizeBytes) {
return "File size exceeds the limit.";
}
// Read the file content
$fileContent = file_get_contents($tmp);
// Hash the file content using SHA-256
$hashedContent = hash('md5', $fileContent);
// Generate a secure filename using the hashed content
$secureFilename = $hashedContent . randomString(2) . '.' . $extension;
return $secureFilename;
}
function sanitizeInput($input) {
global $mysqli;
if (!empty($input)) {
// Only convert encoding if it's NOT valid UTF-8
if (!mb_check_encoding($input, 'UTF-8')) {
// Try converting from Windows-1252 as a safe default fallback
$input = mb_convert_encoding($input, 'UTF-8', 'Windows-1252');
}
}
// Remove HTML and PHP tags
$input = strip_tags((string) $input);
// Trim white space
$input = trim($input);
// Escape for SQL
$input = mysqli_real_escape_string($mysqli, $input);
return $input;
}
function sanitizeForEmail($data)
{
$sanitized = htmlspecialchars($data);
$sanitized = strip_tags($sanitized);
$sanitized = trim($sanitized);
return $sanitized;
}
function timeAgo($datetime)
{
if (is_null($datetime)) {
return "-";
}
$time = strtotime($datetime);
$difference = $time - time(); // Changed to handle future dates
if ($difference == 0) {
return 'right now';
}
$isFuture = $difference > 0; // Check if the date is in the future
$difference = abs($difference); // Absolute value for calculation
$timeRules = array(
31536000 => 'year',
2592000 => 'month',
604800 => 'week',
86400 => 'day',
3600 => 'hour',
60 => 'minute',
1 => 'second'
);
foreach ($timeRules as $secs => $str) {
$div = $difference / $secs;
if ($div >= 1) {
$t = round($div);
$timeStr = $t . ' ' . $str . ($t > 1 ? 's' : '');
return $isFuture ? 'in ' . $timeStr : $timeStr . ' ago';
}
}
}
// Function to remove Emojis in messages, this seems to break the mail queue
function removeEmoji($text)
{
return preg_replace('/\x{1F3F4}\x{E0067}\x{E0062}(?:\x{E0077}\x{E006C}\x{E0073}|\x{E0073}\x{E0063}\x{E0074}|\x{E0065}\x{E006E}\x{E0067})\x{E007F}|(?:\x{1F9D1}\x{1F3FF}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F9D1}|\x{1F469}\x{1F3FF}\x{200D}\x{1F91D}\x{200D}[\x{1F468}\x{1F469}]|\x{1FAF1}\x{1F3FF}\x{200D}\x{1FAF2})[\x{1F3FB}-\x{1F3FE}]|(?:\x{1F9D1}\x{1F3FE}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F9D1}|\x{1F469}\x{1F3FE}\x{200D}\x{1F91D}\x{200D}[\x{1F468}\x{1F469}]|\x{1FAF1}\x{1F3FE}\x{200D}\x{1FAF2})[\x{1F3FB}-\x{1F3FD}\x{1F3FF}]|(?:\x{1F9D1}\x{1F3FD}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F9D1}|\x{1F469}\x{1F3FD}\x{200D}\x{1F91D}\x{200D}[\x{1F468}\x{1F469}]|\x{1FAF1}\x{1F3FD}\x{200D}\x{1FAF2})[\x{1F3FB}\x{1F3FC}\x{1F3FE}\x{1F3FF}]|(?:\x{1F9D1}\x{1F3FC}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F9D1}|\x{1F469}\x{1F3FC}\x{200D}\x{1F91D}\x{200D}[\x{1F468}\x{1F469}]|\x{1FAF1}\x{1F3FC}\x{200D}\x{1FAF2})[\x{1F3FB}\x{1F3FD}-\x{1F3FF}]|(?:\x{1F9D1}\x{1F3FB}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F9D1}|\x{1F469}\x{1F3FB}\x{200D}\x{1F91D}\x{200D}[\x{1F468}\x{1F469}]|\x{1FAF1}\x{1F3FB}\x{200D}\x{1FAF2})[\x{1F3FC}-\x{1F3FF}]|\x{1F468}(?:\x{1F3FB}(?:\x{200D}(?:\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FF}]|\x{1F468}[\x{1F3FB}-\x{1F3FF}])|\x{200D}(?:\x{1F48B}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FF}]|\x{1F468}[\x{1F3FB}-\x{1F3FF}]))|\x{1F91D}\x{200D}\x{1F468}[\x{1F3FC}-\x{1F3FF}]|[\x{2695}\x{2696}\x{2708}]\x{FE0F}|[\x{2695}\x{2696}\x{2708}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}]))?|[\x{1F3FC}-\x{1F3FF}]\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FF}]|\x{1F468}[\x{1F3FB}-\x{1F3FF}])|\x{200D}(?:\x{1F48B}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FF}]|\x{1F468}[\x{1F3FB}-\x{1F3FF}]))|\x{200D}(?:\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D})?|\x{200D}(?:\x{1F48B}\x{200D})?)\x{1F468}|[\x{1F468}\x{1F469}]\x{200D}(?:\x{1F466}\x{200D}\x{1F466}|\x{1F467}\x{200D}[\x{1F466}\x{1F467}])|\x{1F466}\x{200D}\x{1F466}|\x{1F467}\x{200D}[\x{1F466}\x{1F467}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}])|\x{1F3FF}\x{200D}(?:\x{1F91D}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FE}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}])|\x{1F3FE}\x{200D}(?:\x{1F91D}\x{200D}\x{1F468}[\x{1F3FB}-\x{1F3FD}\x{1F3FF}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}])|\x{1F3FD}\x{200D}(?:\x{1F91D}\x{200D}\x{1F468}[\x{1F3FB}\x{1F3FC}\x{1F3FE}\x{1F3FF}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}])|\x{1F3FC}\x{200D}(?:\x{1F91D}\x{200D}\x{1F468}[\x{1F3FB}\x{1F3FD}-\x{1F3FF}]|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B3}\x{1F9BC}\x{1F9BD}])|(?:\x{1F3FF}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FE}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FD}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FC}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{200D}[\x{2695}\x{2696}\x{2708}])\x{FE0F}|\x{200D}(?:[\x{1F468}\x{1F469}]\x{200D}[\x{1F466}\x{1F467}]|[\x{1F466}\x{1F467}])|\x{1F3FF}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FE}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FD}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FC}\x{200D}[\x{2695}\x{2696}\x{2708}]|\x{1F3FF}|\x{1F3FE}|\x{1F3FD}|\x{1F3FC}|\x{200D}[\x{2695}\x{2696}\x{2708}])?|(?:\x{1F469}(?:\x{1F3FB}\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}])|\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}]))|[\x{1F3FC}-\x{1F3FF}]\x{200D}\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}])|\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}])))|\x{1F9D1}[\x{1F3FB}-\x{1F3FF}]\x{200D}\x{1F91D}\x{200D}\x{1F9D1})[\x{1F3FB}-\x{1F3FF}]|\x{1F469}\x{200D}\x{1F469}\x{200D}(?:\x{1F466}\x{200D}\x{1F466}|\x{1F467}\x{200D}[\x{1F466}\x{1F467}])|\x{1F469}(?:\x{200D}(?:\x{2764}(?:\x{FE0F}\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}])|\x{200D}(?:\x{1F48B}\x{200D}[\x{1F468}\x{1F469}]|[\x{1F468}\x{1F469}]))|[\x{1F33E}\x{1F373}\x{1F37C}\x{1F393}\x{1F3A4}\x{1F3A8}\x{1F3EB}\x{1F3ED}\x{1F4BB}\x{1F4BC}\x{1F527}\x{1F52C}\x{1F680}\x{1F692}\x{1F9AF}-\x{1F9B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\x{1F9D3}\x{1F9D5}\x{1FAC3}-\x{1FAC5}\x{1FAF0}\x{1FAF2}-\x{1FAF6}][\x{1F3FB}-\x{1F3FF}]|[\x{261D}\x{270C}\x{270D}\x{1F574}\x{1F590}][\x{FE0F}\x{1F3FB}-\x{1F3FF}]|[\x{261D}\x{270A}-\x{270D}\x{1F385}\x{1F3C2}\x{1F3C7}\x{1F408}\x{1F415}\x{1F43B}\x{1F442}\x{1F443}\x{1F446}-\x{1F450}\x{1F466}\x{1F467}\x{1F46B}-\x{1F46D}\x{1F472}\x{1F474}-\x{1F476}\x{1F478}\x{1F47C}\x{1F483}\x{1F485}\x{1F48F}\x{1F491}\x{1F4AA}\x{1F574}\x{1F57A}\x{1F590}\x{1F595}\x{1F596}\x{1F62E}\x{1F635}\x{1F636}\x{1F64C}\x{1F64F}\x{1F6C0}\x{1F6CC}\x{1F90C}\x{1F90F}\x{1F918}-\x{1F91F}\x{1F930}-\x{1F934}\x{1F936}\x{1F93C}\x{1F977}\x{1F9B5}\x{1F9B6}\x{1F9BB}\x{1F9D2}\x{1F9D3}\x{1F9D5}\x{1FAC3}-\x{1FAC5}\x{1FAF0}\x{1FAF2}-\x{1FAF6}]|[\x{1F3C3}\x{1F3C4}\x{1F3CA}\x{1F46E}\x{1F470}\x{1F471}\x{1F473}\x{1F477}\x{1F481}\x{1F482}\x{1F486}\x{1F487}\x{1F645}-\x{1F647}\x{1F64B}\x{1F64D}\x{1F64E}\x{1F6A3}\x{1F6B4}-\x{1F6B6}\x{1F926}\x{1F935}\x{1F937}-\x{1F939}\x{1F93D}\x{1F93E}\x{1F9B8}\x{1F9B9}\x{1F9CD}-\x{1F9CF}\x{1F9D4}\x{1F9D6}-\x{1F9DD}]|[\x{1F46F}\x{1F9DE}\x{1F9DF}]|[\xA9\xAE\x{203C}\x{2049}\x{2122}\x{2139}\x{2194}-\x{2199}\x{21A9}\x{21AA}\x{231A}\x{231B}\x{2328}\x{23CF}\x{23ED}-\x{23EF}\x{23F1}\x{23F2}\x{23F8}-\x{23FA}\x{24C2}\x{25AA}\x{25AB}\x{25B6}\x{25C0}\x{25FB}\x{25FC}\x{25FE}\x{2600}-\x{2604}\x{260E}\x{2611}\x{2614}\x{2615}\x{2618}\x{2620}\x{2622}\x{2623}\x{2626}\x{262A}\x{262E}\x{262F}\x{2638}-\x{263A}\x{2640}\x{2642}\x{2648}-\x{2653}\x{265F}\x{2660}\x{2663}\x{2665}\x{2666}\x{2668}\x{267B}\x{267E}\x{267F}\x{2692}\x{2694}-\x{2697}\x{2699}\x{269B}\x{269C}\x{26A0}\x{26A7}\x{26AA}\x{26B0}\x{26B1}\x{26BD}\x{26BE}\x{26C4}\x{26C8}\x{26CF}\x{26D1}\x{26D3}\x{26E9}\x{26F0}-\x{26F5}\x{26F7}\x{26F8}\x{26FA}\x{2702}\x{2708}\x{2709}\x{270F}\x{2712}\x{2714}\x{2716}\x{271D}\x{2721}\x{2733}\x{2734}\x{2744}\x{2747}\x{2763}\x{27A1}\x{2934}\x{2935}\x{2B05}-\x{2B07}\x{2B1B}\x{2B1C}\x{2B55}\x{3030}\x{303D}\x{3297}\x{3299}\x{1F004}\x{1F170}\x{1F171}\x{1F17E}\x{1F17F}\x{1F202}\x{1F237}\x{1F321}\x{1F324}-\x{1F32C}\x{1F336}\x{1F37D}\x{1F396}\x{1F397}\x{1F399}-\x{1F39B}\x{1F39E}\x{1F39F}\x{1F3CD}\x{1F3CE}\x{1F3D4}-\x{1F3DF}\x{1F3F5}\x{1F3F7}\x{1F43F}\x{1F4FD}\x{1F549}\x{1F54A}\x{1F56F}\x{1F570}\x{1F573}\x{1F576}-\x{1F579}\x{1F587}\x{1F58A}-\x{1F58D}\x{1F5A5}\x{1F5A8}\x{1F5B1}\x{1F5B2}\x{1F5BC}\x{1F5C2}-\x{1F5C4}\x{1F5D1}-\x{1F5D3}\x{1F5DC}-\x{1F5DE}\x{1F5E1}\x{1F5E3}\x{1F5E8}\x{1F5EF}\x{1F5F3}\x{1F5FA}\x{1F6CB}\x{1F6CD}-\x{1F6CF}\x{1F6E0}-\x{1F6E5}\x{1F6E9}\x{1F6F0}\x{1F6F3}]|[\x{23E9}-\x{23EC}\x{23F0}\x{23F3}\x{25FD}\x{2693}\x{26A1}\x{26AB}\x{26C5}\x{26CE}\x{26D4}\x{26EA}\x{26FD}\x{2705}\x{2728}\x{274C}\x{274E}\x{2753}-\x{2755}\x{2757}\x{2795}-\x{2797}\x{27B0}\x{27BF}\x{2B50}\x{1F0CF}\x{1F18E}\x{1F191}-\x{1F19A}\x{1F201}\x{1F21A}\x{1F22F}\x{1F232}-\x{1F236}\x{1F238}-\x{1F23A}\x{1F250}\x{1F251}\x{1F300}-\x{1F320}\x{1F32D}-\x{1F335}\x{1F337}-\x{1F37C}\x{1F37E}-\x{1F384}\x{1F386}-\x{1F393}\x{1F3A0}-\x{1F3C1}\x{1F3C5}\x{1F3C6}\x{1F3C8}\x{1F3C9}\x{1F3CF}-\x{1F3D3}\x{1F3E0}-\x{1F3F0}\x{1F3F8}-\x{1F407}\x{1F409}-\x{1F414}\x{1F416}-\x{1F43A}\x{1F43C}-\x{1F43E}\x{1F440}\x{1F444}\x{1F445}\x{1F451}-\x{1F465}\x{1F46A}\x{1F479}-\x{1F47B}\x{1F47D}-\x{1F480}\x{1F484}\x{1F488}-\x{1F48E}\x{1F490}\x{1F492}-\x{1F4A9}\x{1F4AB}-\x{1F4FC}\x{1F4FF}-\x{1F53D}\x{1F54B}-\x{1F54E}\x{1F550}-\x{1F567}\x{1F5A4}\x{1F5FB}-\x{1F62D}\x{1F62F}-\x{1F634}\x{1F637}-\x{1F644}\x{1F648}-\x{1F64A}\x{1F680}-\x{1F6A2}\x{1F6A4}-\x{1F6B3}\x{1F6B7}-\x{1F6BF}\x{1F6C1}-\x{1F6C5}\x{1F6D0}-\x{1F6D2}\x{1F6D5}-\x{1F6D7}\x{1F6DD}-\x{1F6DF}\x{1F6EB}\x{1F6EC}\x{1F6F4}-\x{1F6FC}\x{1F7E0}-\x{1F7EB}\x{1F7F0}\x{1F90D}\x{1F90E}\x{1F910}-\x{1F917}\x{1F920}-\x{1F925}\x{1F927}-\x{1F92F}\x{1F93A}\x{1F93F}-\x{1F945}\x{1F947}-\x{1F976}\x{1F978}-\x{1F9B4}\x{1F9B7}\x{1F9BA}\x{1F9BC}-\x{1F9CC}\x{1F9D0}\x{1F9E0}-\x{1F9FF}\x{1FA70}-\x{1FA74}\x{1FA78}-\x{1FA7C}\x{1FA80}-\x{1FA86}\x{1FA90}-\x{1FAAC}\x{1FAB0}-\x{1FABA}\x{1FAC0}-\x{1FAC2}\x{1FAD0}-\x{1FAD9}\x{1FAE0}-\x{1FAE7}]/u', '', $text);
}
function shortenClient($client)
{
// Pre-process by removing any non-alphanumeric characters except for certain punctuations.
$client = html_entity_decode($client); // Decode any HTML entities
$client = str_replace("'", "", $client); // Removing all occurrences of '
$cleaned = preg_replace('/[^a-zA-Z0-9&]+/', ' ', $client);
// Break into words.
$words = explode(' ', trim($cleaned));
$shortened = '';
// If there's only one word.
if (count($words) == 1) {
$word = $words[0];
if (strlen($word) <= 3) {
return strtoupper($word);
}
// Prefer starting and ending characters.
$shortened = $word[0] . substr($word, -2);
} else {
// Less weightage to common words.
$commonWords = ['the', 'of', 'and'];
foreach ($words as $word) {
if (!in_array(strtolower($word), $commonWords) || strlen($shortened) < 2) {
$shortened .= $word[0];
}
}
// If there are still not enough characters, take from the last word.
while (strlen($shortened) < 3 && !empty($word)) {
$shortened .= substr($word, 1, 1);
$word = substr($word, 1);
}
}
return strtoupper(substr($shortened, 0, 3));
}
function roundToNearest15($time)
{
// Validate the input time format
if (!preg_match('/^(\d{2}):(\d{2}):(\d{2})$/', $time, $matches)) {
return false; // or throw an exception
}
// Extract hours, minutes, and seconds from the matched time string
list(, $hours, $minutes, $seconds) = $matches;
// Convert everything to seconds for easier calculation
$totalSeconds = ($hours * 3600) + ($minutes * 60) + $seconds;
// Calculate the remainder when divided by 900 seconds (15 minutes)
$remainder = $totalSeconds % 900;
if ($remainder > 450) { // If remainder is more than 7.5 minutes (450 seconds), round up
$totalSeconds += (900 - $remainder);
} else { // Else round down
$totalSeconds -= $remainder;
}
// Convert total seconds to decimal hours
$decimalHours = $totalSeconds / 3600;
// Return the decimal hours
return number_format($decimalHours, 2);
}
function getMonthlyTax($tax_name, $month, $year, $mysqli)
{
// SQL to calculate monthly tax
$sql = "SELECT SUM(item_tax) AS monthly_tax FROM invoice_items
LEFT JOIN invoices ON invoice_items.item_invoice_id = invoices.invoice_id
LEFT JOIN payments ON invoices.invoice_id = payments.payment_invoice_id
WHERE YEAR(payments.payment_date) = $year AND MONTH(payments.payment_date) = $month
AND invoice_items.item_tax_id = (SELECT tax_id FROM taxes WHERE tax_name = '$tax_name')";
$result = mysqli_query($mysqli, $sql);
$row = mysqli_fetch_assoc($result);
return $row['monthly_tax'] ?? 0;
}
function getQuarterlyTax($tax_name, $quarter, $year, $mysqli)
{
// Calculate start and end months for the quarter
$start_month = ($quarter - 1) * 3 + 1;
$end_month = $start_month + 2;
// SQL to calculate quarterly tax
$sql = "SELECT SUM(item_tax) AS quarterly_tax FROM invoice_items
LEFT JOIN invoices ON invoice_items.item_invoice_id = invoices.invoice_id
LEFT JOIN payments ON invoices.invoice_id = payments.payment_invoice_id
WHERE YEAR(payments.payment_date) = $year AND MONTH(payments.payment_date) BETWEEN $start_month AND $end_month
AND invoice_items.item_tax_id = (SELECT tax_id FROM taxes WHERE tax_name = '$tax_name')";
$result = mysqli_query($mysqli, $sql);
$row = mysqli_fetch_assoc($result);
return $row['quarterly_tax'] ?? 0;
}
function getTotalTax($tax_name, $year, $mysqli)
{
// SQL to calculate total tax
$sql = "SELECT SUM(item_tax) AS total_tax FROM invoice_items
LEFT JOIN invoices ON invoice_items.item_invoice_id = invoices.invoice_id
LEFT JOIN payments ON invoices.invoice_id = payments.payment_invoice_id
WHERE YEAR(payments.payment_date) = $year
AND invoice_items.item_tax_id = (SELECT tax_id FROM taxes WHERE tax_name = '$tax_name')";
$result = mysqli_query($mysqli, $sql);
$row = mysqli_fetch_assoc($result);
return $row['total_tax'] ?? 0;
}
function generateReadablePassword($security_level)
{
// Cap security level at 5
$security_level = intval($security_level);
$security_level = min($security_level, 5);
// Arrays of words
$articles = ['The', 'A'];
$adjectives = ['Smart', 'Swift', 'Secure', 'Stable', 'Digital', 'Virtual', 'Active', 'Dynamic', 'Innovative', 'Efficient', 'Portable', 'Wireless', 'Rapid', 'Intuitive', 'Automated', 'Robust', 'Reliable', 'Sleek', 'Modern', 'Happy', 'Funny', 'Quick', 'Bright', 'Clever', 'Gentle', 'Brave', 'Calm', 'Eager', 'Fierce', 'Kind', 'Lucky', 'Proud', 'Silly', 'Witty', 'Bold', 'Curious', 'Elated', 'Gracious', 'Honest', 'Jolly', 'Merry', 'Noble', 'Optimistic', 'Playful', 'Quirky', 'Rustic', 'Steady', 'Tranquil', 'Upbeat'];
$nouns = ['Computer', 'Laptop', 'Tablet', 'Server', 'Router', 'Software', 'Hardware', 'Pixel', 'Byte', 'App', 'Network', 'Cloud', 'Firewall', 'Email', 'Database', 'Folder', 'Document', 'Interface', 'Program', 'Gadget', 'Dinosaur', 'Tiger', 'Elephant', 'Kangaroo', 'Monkey', 'Unicorn', 'Dragon', 'Puppy', 'Kitten', 'Parrot', 'Lion', 'Bear', 'Fox', 'Wolf', 'Rabbit', 'Deer', 'Owl', 'Hedgehog', 'Turtle', 'Frog', 'Butterfly', 'Panda', 'Giraffe', 'Zebra', 'Peacock', 'Koala', 'Raccoon', 'Squirrel', 'Hippo', 'Rhino', 'Book', "Monitor"];
$verbs = ['Connects', 'Runs', 'Processes', 'Secures', 'Encrypts', 'Saves', 'Updates', 'Boots', 'Scans', 'Compiles', 'Executes', 'Restores', 'Installs', 'Configures', 'Downloads', 'Streams', 'BacksUp', 'Syncs', 'Browses', 'Navigates', 'Runs', 'Jumps', 'Flies', 'Swims', 'Dances', 'Sings', 'Hops', 'Skips', 'Races', 'Climbs', 'Crawls', 'Glides', 'Twirls', 'Swings', 'Sprints', 'Gallops', 'Trots', 'Wanders', 'Strolls', 'Marches'];
$adverbs = ['Quickly', 'Slowly', 'Gracefully', 'Wildly', 'Loudly', 'Silently', 'Cheerfully', 'Eagerly', 'Gently', 'Happily', 'Jovially', 'Kindly', 'Lazily', 'Merrily', 'Neatly', 'Politely', 'Quietly', 'Rapidly', 'Smoothly', 'Tightly', 'Swiftly', 'Securely', 'Efficiently', 'Rapidly', 'Smoothly', 'Reliably', 'Safely', 'Wirelessly', 'Instantly', 'Silently', 'Automatically', 'Seamlessly', 'Digitally', 'Virtually', 'Continuously', 'Regularly', 'Intelligently', 'Logically'];
// Randomly select words from arrays
$adj = $adjectives[array_rand($adjectives)];
$noun = $nouns[array_rand($nouns)];
$verb = $verbs[array_rand($verbs)];
$adv = $adverbs[array_rand($adverbs)];
// Combine to create a base password
$password = $adj . $noun . $verb . $adv;
// Select an article randomly
$article = $articles[array_rand($articles)];
// Determine if we should use 'An' instead of 'A'
if ($article == 'A' && preg_match('/^[aeiouAEIOU]/', $adj)) {
$article = 'An';
}
// Add the article to the password
$password = $article . $password;
// Mapping of letters to special characters and numbers
$mappings = [
'A' => '@', 'a' => '@',
'E' => '3', 'e' => '3',
'I' => '!', 'i' => '!',
'O' => '0', 'o' => '0',
'S' => '$', 's' => '$',
'T' => '+', 't' => '+',
'B' => '8', 'b' => '8'
];
// Generate an array of indices based on the password length
$indices = range(0, strlen($password) - 1);
// Randomly shuffle the indices
shuffle($indices);
// Iterate through the shuffled indices and replace characters based on the security level
for ($i = 0; $i < min($security_level, strlen($password)); $i++) {
$index = $indices[$i]; // Get a random index
$currentChar = $password[$index]; // Get the character at this index
// Check if the current character has a mapping and replace it
if (array_key_exists($currentChar, $mappings)) {
$password[$index] = $mappings[$currentChar];
}
}
// Add as many random numbers as the security level
$password .= rand(pow(10, $security_level - 1), pow(10, $security_level) - 1);
return $password;
}
function addToMailQueue($data) {
global $mysqli;
foreach ($data as $email) {
$from = strval($email['from']);
$from_name = strval($email['from_name']);
$recipient = strval($email['recipient']);
$recipient_name = strval($email['recipient_name']);
$subject = strval($email['subject']);
$body = strval($email['body']);
$cal_str = '';
if (isset($email['cal_str'])) {
$cal_str = mysqli_escape_string($mysqli, $email['cal_str']);
}
// Check if 'email_queued_at' is set and not empty
if (isset($email['queued_at']) && !empty($email['queued_at'])) {
$queued_at = "'" . sanitizeInput($email['queued_at']) . "'";
} else {
// Use the current date and time if 'email_queued_at' is not set or empty
$queued_at = 'CURRENT_TIMESTAMP()';
}
mysqli_query($mysqli, "INSERT INTO email_queue SET email_recipient = '$recipient', email_recipient_name = '$recipient_name', email_from = '$from', email_from_name = '$from_name', email_subject = '$subject', email_content = '$body', email_queued_at = $queued_at, email_cal_str = '$cal_str'");
}
return true;
}
function createiCalStr($datetime, $title, $description, $location)
{
require_once "plugins/zapcal/zapcallib.php";
// Create the iCal object
$cal_event = new ZCiCal();
$event = new ZCiCalNode("VEVENT", $cal_event->curnode);
// Set the method to REQUEST to indicate an invite
$event->addNode(new ZCiCalDataNode("METHOD:REQUEST"));
$event->addNode(new ZCiCalDataNode("SUMMARY:" . $title));
$event->addNode(new ZCiCalDataNode("DTSTART:" . ZCiCal::fromSqlDateTime($datetime)));
// Assuming the end time is the same as start time.
// Todo: adjust this for actual duration
$event->addNode(new ZCiCalDataNode("DTEND:" . ZCiCal::fromSqlDateTime($datetime)));
$event->addNode(new ZCiCalDataNode("DTSTAMP:" . ZCiCal::fromSqlDateTime()));
$uid = date('Y-m-d-H-i-s') . "@" . $_SERVER['SERVER_NAME'];
$event->addNode(new ZCiCalDataNode("UID:" . $uid));
$event->addNode(new ZCiCalDataNode("LOCATION:" . $location));
$event->addNode(new ZCiCalDataNode("DESCRIPTION:" . $description));
// Todo: add organizer details
// $event->addNode(new ZCiCalDataNode("ORGANIZER;CN=Organizer Name:MAILTO:organizer@example.com"));
// Return the iCal string
return $cal_event->export();
}
function isMobile()
{
// Check if the user agent is a mobile device
return preg_match('/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|opera mini|palm|phone|pie|tablet|up.browser|up.link|webos|wos)/i', $_SERVER['HTTP_USER_AGENT']);
}
function createiCalStrCancel($originaliCalStr) {
require_once "plugins/zapcal/zapcallib.php";
// Import the original iCal string
$cal_event = new ZCiCal($originaliCalStr);
// Iterate through the iCalendar object to find VEVENT nodes
foreach($cal_event->tree->child as $node) {
if($node->getName() == "VEVENT") {
// Check if STATUS node exists, update it, or add a new one
$statusFound = false;
foreach($node->data as $key => $value) {
if($key == "STATUS") {
$value->setValue("CANCELLED");
$statusFound = true;
break; // Exit the loop once the STATUS is updated
}
}
// If STATUS node is not found, add a new STATUS node
if (!$statusFound) {
$node->addNode(new ZCiCalDataNode("STATUS:CANCELLED"));
}
}
}
// Return the modified iCal string
return $cal_event->export();
}
function getTicketStatusName($ticket_status) {
global $mysqli;
$status_id = intval($ticket_status);
$row = mysqli_fetch_array(mysqli_query($mysqli, "SELECT * FROM ticket_statuses WHERE ticket_status_id = $status_id LIMIT 1"));
if ($row) {
return nullable_htmlentities($row['ticket_status_name']);
}
// Default return
return "Unknown";
}
function fetchUpdates() {
global $repo_branch;
// Fetch the latest code changes but don't apply them
exec("git fetch", $output, $result);
$latest_version = exec("git rev-parse origin/$repo_branch");
$current_version = exec("git rev-parse HEAD");
if ($current_version == $latest_version) {
$update_message = "No Updates available";
} else {
$update_message = "New Updates are Available [$latest_version]";
}
$updates = new stdClass();
$updates->output = $output;
$updates->result = $result;
$updates->current_version = $current_version;
$updates->latest_version = $latest_version;
$updates->update_message = $update_message;
return $updates;
}
function getDomainExpirationDate($domain) {
// Execute the whois command
$result = shell_exec("whois " . escapeshellarg($domain));
if (!$result || !checkdnsrr($domain, 'SOA')) {
return null; // Return null if WHOIS query fails
}
$expireDate = '';
// Regular expressions to match different date formats
$patterns = [
'/Expiration Date: (.+)/',
'/Registry Expiry Date: (.+)/',
'/expires: (.+)/',
'/Expiry Date: (.+)/',
'/renewal date: (.+)/',
'/Expires On: (.+)/',
'/paid-till: (.+)/',
'/Expiration Time: (.+)/',
'/\[Expires on\]\s+(.+)/',
'/expire: (.+)/',
'/validity: (.+)/',
'/Expires on.*: (.+)/i',
'/Expiry on.*: (.+)/i',
'/renewal: (.+)/i',
'/Expir\w+ Date: (.+)/i',
'/Valid Until: (.+)/i',
'/Valid until: (.+)/i',
'/expire-date: (.+)/i',
'/Expiration Date: (.+)/i',
'/Registry Expiry Date: (.+)/i',
'/Expire Date: (.+)/i',
'/expiry: (.+)/i',
'/expires: (.+)/i',
'/Registry Expiry Date: (.+)/i',
'/Expiration Time: (.+)/i',
'/validity: (.+)/i',
'/expires: (.+)/i',
'/paid-till: (.+)/i',
'/Expire Date: (.+)/i',
'/Expiration Date: (.+)/i',
'/expire: (.+)/i',
'/expiry: (.+)/i',
'/renewal date: (.+)/i',
'/Expiration Date: (.+)/i',
'/Expiration Time: (.+)/i',
'/Expires: (.+)/i',
];
// Known date formats
$knownFormats = [
"d-M-Y",
"d-F-Y",
"d-m-Y",
"Y-m-d",
"d.m.Y",
"Y.m.d",
"Y/m/d",
"Y/m/d H:i:s",
"Ymd",
"Ymd H:i:s",
"d/m/Y",
"Y. m. d.",
"Y.m.d H:i:s",
"d-M-Y H:i:s",
"D M d H:i:s T Y",
"D M d Y",
"Y-m-d\TH:i:s",
"Y-m-d\TH:i:s\Z",
"Y-m-d H:i:s\Z",
"Y-m-d H:i:s",
"d M Y H:i:s",
"d/m/Y H:i:s",
"d/m/Y H:i:s T",
"B d Y",
"d.m.Y H:i:s",
"before M-Y",
"before Y-m-d",
"before Ymd",
"Y-m-d H:i:s (\T\Z\Z)",
"Y-M-d.",
];
// Check each pattern to find a match
foreach ($patterns as $pattern) {
if (preg_match($pattern, $result, $matches)) {
$expireDate = trim($matches[1]);
break;
}
}
if ($expireDate) {
// Try parsing with known formats
foreach ($knownFormats as $format) {
$parsedDate = DateTime::createFromFormat($format, $expireDate);
if ($parsedDate && $parsedDate->format($format) === $expireDate) {
return $parsedDate->format('Y-m-d');
}
}
// If none of the formats matched, try to parse it directly
$parsedDate = date_create($expireDate);
if ($parsedDate) {
return $parsedDate->format('Y-m-d');
}
}
return null; // Return null if expiration date is not found
}
function validateWhitelabelKey($key)
{
$public_key = "-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr0k+4ZJudkdGMCFLx5b9
H/sOozvWphFJsjVIF0vPVx9J0bTdml65UdS+32JagIHfPtEUTohaMnI3IAxxCDzl
655qmtjL7RHHdx9UMIKCmtAZOtd2u6rEyZH7vB7cKA49ysKGIaQSGwTQc8DCgsrK
uxRuX04xq9T7T+zuzROw3Y9WjFy9RwrONqLuG8LqO0j7bk5LKYeLAV7u3E/QiqNx
lEljN2UVJ3FZ/LkXeg8ORkV+IHs/toRIfPs/4VQnjEwk5BU6DX2STOvbeZnTqwP3
zgjRYR/zGN5l+az6RB3+0mJRdZdv/y2aRkBlwTxx2gOrPbQAco4a/IOmkE3EbHe7
6wIDAQAP
-----END PUBLIC KEY-----";
if (openssl_public_decrypt(base64_decode($key), $decrypted, $public_key)) {
$key_info = json_decode($decrypted, true);
if ($key_info['expires'] > date('Y-m-d H:i:s', strtotime('-7 day'))) {
return $key_info;
}
}
return false;
}
// When provided a module name (e.g. module_support), returns the associated permission level (false=none, 1=read, 2=write, 3=full)
function lookupUserPermission($module) {
global $mysqli, $session_is_admin, $session_user_role;
if (isset($session_is_admin) && $session_is_admin === true) {
return 3;
}
$module = sanitizeInput($module);
$sql = mysqli_query(
$mysqli,
"SELECT
user_role_permissions.user_role_permission_level
FROM
modules
JOIN
user_role_permissions
ON
modules.module_id = user_role_permissions.module_id
WHERE
module_name = '$module' AND user_role_permissions.user_role_id = $session_user_role"
);
$row = mysqli_fetch_array($sql);
if (isset($row['user_role_permission_level'])) {
return intval($row['user_role_permission_level']);
}
// Default return for no module permission
return false;
}
// Ensures a user has access to a module (e.g. module_support) with at least the required permission level provided (defaults to read)
function enforceUserPermission($module, $check_access_level = 1) {
$permitted_access_level = lookupUserPermission($module);
if (!$permitted_access_level || $permitted_access_level < $check_access_level) {
$_SESSION['alert_type'] = "danger";
$_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED;
$map = [
"1" => "read",
"2" => "write",
"3" => "full"
];
exit(WORDING_ROLECHECK_FAILED . "
Tell your admin: $map[$check_access_level] access to $module is not permitted for your role.");
}
}
// TODO: Probably remove this
function enforceAdminPermission() {
global $session_is_admin;
if (!isset($session_is_admin) || !$session_is_admin) {
exit(WORDING_ROLECHECK_FAILED . "
Tell your admin: Your role does not have admin access.");
}
return true;
}
function customAction($trigger, $entity) {
$original_dir = getcwd(); // Save
chdir(dirname(__FILE__));
if (file_exists(__DIR__ . "/custom/custom_action_handler.php")) {
include_once __DIR__ . "/custom/custom_action_handler.php";
}
chdir($original_dir); // Restore original working directory
}
function appNotify($type, $details, $action = null, $client_id = 0, $entity_id = 0) {
global $mysqli;
if (is_null($action)) {
$action = "NULL"; // Without quotes for SQL NULL
}
$sql = mysqli_query($mysqli, "SELECT user_id FROM users
WHERE user_type = 1 AND user_status = 1 AND user_archived_at IS NULL
");
while ($row = mysqli_fetch_array($sql)) {
$user_id = intval($row['user_id']);
mysqli_query($mysqli, "INSERT INTO notifications SET notification_type = '$type', notification = '$details', notification_action = '$action', notification_client_id = $client_id, notification_entity_id = $entity_id, notification_user_id = $user_id");
}
}
function logAction($type, $action, $description, $client_id = 0, $entity_id = 0) {
global $mysqli, $session_user_agent, $session_ip, $session_user_id;
if (empty($session_user_id)) {
$session_user_id = 0;
}
mysqli_query($mysqli, "INSERT INTO logs SET log_type = '$type', log_action = '$action', log_description = '$description', log_ip = '$session_ip', log_user_agent = '$session_user_agent', log_client_id = $client_id, log_user_id = $session_user_id, log_entity_id = $entity_id");
}
function logApp($category, $type, $details) {
global $mysqli;
mysqli_query($mysqli, "INSERT INTO app_logs SET app_log_category = '$category', app_log_type = '$type', app_log_details = '$details'");
}
function logAuth($status, $details) {
global $mysqli, $session_user_agent, $session_ip, $session_user_id;
if (empty($session_user_id)) {
$session_user_id = 0;
}
mysqli_query($mysqli, "INSERT INTO auth_logs SET auth_log_status = $status, auth_log_details = '$details', auth_log_ip = '$session_ip', auth_log_user_agent = '$session_user_agent', auth_log_user_id = $session_user_id");
}
// Helper function for missing data fallback
function getFallback($data) {
return !empty($data) ? $data : '-';
}
/**
* Retrieves a specified field's value from a table based on the record's id.
* It validates the table and field names, automatically determines the primary key (or uses the first column as fallback),
* and returns the field value with an appropriate escaping method.
*
* @param string $table The name of the table.
* @param int $id The record's id.
* @param string $field The field (column) to retrieve.
* @param string $escape_method The escape method: 'sql' (default, auto-detects int), 'html', 'json', or 'int'.
*
* @return mixed The escaped field value, or null if not found or invalid input.
*/
function getFieldById($table, $id, $field, $escape_method = 'sql') {
global $mysqli; // Use the global MySQLi connection
// Validate table and field names to allow only letters, numbers, and underscores
if (!preg_match('/^[a-zA-Z0-9_]+$/', $table) || !preg_match('/^[a-zA-Z0-9_]+$/', $field)) {
return null; // Invalid table or field name
}
// Sanitize id as an integer
$id = (int)$id;
// Get the list of columns and their details from the table
$columns_result = mysqli_query($mysqli, "SHOW COLUMNS FROM `$table`");
if (!$columns_result || mysqli_num_rows($columns_result) == 0) {
return null; // Table not found or has no columns
}
// Build an associative array with column details
$columns = [];
while ($row = mysqli_fetch_assoc($columns_result)) {
$columns[$row['Field']] = [
'type' => $row['Type'],
'key' => $row['Key']
];
}
// Find the primary key field if available
$id_field = null;
foreach ($columns as $col => $details) {
if ($details['key'] === 'PRI') {
$id_field = $col;
break;
}
}
// Fallback: if no primary key is found, use the first column
if (!$id_field) {
reset($columns);
$id_field = key($columns);
}
// Ensure the requested field exists; if not, default to the id field
if (!array_key_exists($field, $columns)) {
$field = $id_field;
}
// Build and execute the query to fetch the specified field value
$query = "SELECT `$field` FROM `$table` WHERE `$id_field` = $id";
$sql = mysqli_query($mysqli, $query);
if ($sql && mysqli_num_rows($sql) > 0) {
$row = mysqli_fetch_assoc($sql);
$value = $row[$field];
// Apply the desired escaping method or auto-detect integer type if using SQL escaping
switch ($escape_method) {
case 'raw':
return $value; // Return as-is from the database
case 'html':
return htmlspecialchars($value ?? '', ENT_QUOTES, 'UTF-8'); // Escape for HTML
case 'json':
return json_encode($value); // Escape for JSON
case 'int':
return (int)$value; // Explicitly cast value to integer
case 'sql':
default:
// Auto-detect if the field type is integer
if (stripos($columns[$field]['type'], 'int') !== false) {
return (int)$value;
} else {
return sanitizeInput($value); // Escape for SQL using a custom function
}
}
}
return null; // Return null if no record was found
}
// Recursive function to display folder options - Used in folders files and documents
function display_folder_options($parent_folder_id, $client_id, $folder_location = 0, $indent = 0) {
global $mysqli;
$folder_location = intval($folder_location);
// 0 = Document Folders
// 1 = File Folders
$sql_folders = mysqli_query($mysqli, "SELECT * FROM folders WHERE parent_folder = $parent_folder_id AND folder_location = $folder_location AND folder_client_id = $client_id ORDER BY folder_name ASC");
while ($row = mysqli_fetch_array($sql_folders)) {
$folder_id = intval($row['folder_id']);
$folder_name = nullable_htmlentities($row['folder_name']);
// Indentation for subfolders
$indentation = str_repeat(' ', $indent * 4);
// Check if this folder is selected
$selected = '';
if ((isset($_GET['folder_id']) && intval($_GET['folder_id']) === $folder_id) ||
(isset($_POST['folder']) && intval($_POST['folder']) === $folder_id)) {
$selected = 'selected';
}
echo "";
// Recursively display subfolders
display_folder_options($folder_id, $client_id, $folder_location, $indent + 1);
}
}
function sanitize_url($url) {
$allowed = ['http', 'https', 'file', 'ftp', 'ftps', 'sftp', 'dav', 'webdav', 'caldav', 'carddav', 'ssh', 'telnet', 'smb', 'rdp', 'vnc', 'rustdesk', 'anydesk', 'connectwise', 'splashtop', 'sip', 'sips', 'ldap', 'ldaps'];
$parts = parse_url($url ?? '');
if (isset($parts['scheme']) && !in_array(strtolower($parts['scheme']), $allowed)) {
// Remove the scheme and colon
$pos = strpos($url, ':');
$without_scheme = $url;
if ($pos !== false) {
$without_scheme = substr($url, $pos + 1); // This keeps slashes (e.g. //pizza.com)
}
// Prepend 'unsupported://' (strip any leading slashes from $without_scheme to avoid triple slashes)
$unsupported = 'unsupported://' . ltrim($without_scheme, '/');
return htmlspecialchars($unsupported, ENT_QUOTES, 'UTF-8');
}
// Safe schemes: return escaped original URL
return htmlspecialchars($url ?? '', ENT_QUOTES, 'UTF-8');
}
// Redirect Function
function redirect($url = null, $permanent = false) {
// Use referer if no URL is provided
if (!$url) {
$url = $_SERVER['HTTP_REFERER'] ?? 'index.php';
}
if (!headers_sent()) {
header('Location: ' . $url, true, $permanent ? 301 : 302);
exit;
} else {
// Fallback for headers already sent
echo "";
echo '';
exit;
}
}
//Flash Alert Function
function flash_alert(string $message, string $type = 'success'): void {
$_SESSION['alert_type'] = $type;
$_SESSION['alert_message'] = $message;
}
// Sanitize File Names
function sanitize_filename($filename, $strict = false) {
// Remove path information and dots around the filename
$filename = basename($filename);
// Replace spaces and underscores with dashes
$filename = str_replace([' ', '_'], '-', $filename);
// Remove anything which isn't a word, number, dot, or dash
$filename = preg_replace('/[^A-Za-z0-9\.\-]/', '', $filename);
// Optionally make filename strict alphanumeric (keep dot and dash)
if ($strict) {
$filename = preg_replace('/[^A-Za-z0-9\.\-]/', '', $filename);
}
// Avoid multiple consecutive dashes
$filename = preg_replace('/-+/', '-', $filename);
// Remove leading/trailing dots and dashes
$filename = trim($filename, '.-');
// Ensure it’s not empty
if (empty($filename)) {
$filename = 'file';
}
return $filename;
}