" Internet Explorer", '/firefox/i' => " Firefox", '/safari/i' => " Safari", '/chrome/i' => " Chrome", '/edge/i' => " Edge", '/opera/i' => " Opera" ); foreach ($browser_array as $regex => $value) { if (preg_match($regex, $user_agent)) { $browser = $value; } } return $browser; } function get_os() { $user_agent = get_user_agent(); $os_platform = "Unknown OS"; $os_array = array( '/windows nt 10/i' => " Windows 10", '/windows nt 6.3/i' => " Windows 8.1", '/windows nt 6.2/i' => " Windows 8", '/windows nt 6.1/i' => " Windows 7", '/windows nt 6.0/i' => " Windows Vista", '/windows nt 5.2/i' => " Windows Server 2003/XP x64", '/windows nt 5.1/i' => " Windows XP", '/windows xp/i' => " Windows XP", '/macintosh|mac os x/i' => " MacOS", '/linux/i' => " Linux", '/ubuntu/i' => " Ubuntu", '/iphone/i' => " iPhone", '/ipod/i' => " iPod", '/ipad/i' => " iPad", '/android/i' => " Android" ); foreach ($os_array as $regex => $value) { if (preg_match($regex, $user_agent)) { $os_platform = $value; } } return $os_platform; } function get_device(){ $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(get_user_agent(), 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(get_user_agent()),'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); $text = substr($text,0,strrpos($text,' ')); $text = $text."..."; return $text; } function formatPhoneNumber($phoneNumber) { $phoneNumber = preg_replace('/[^0-9]/','',$phoneNumber); if(strlen($phoneNumber) > 10) { $countryCode = substr($phoneNumber, 0, strlen($phoneNumber)-10); $areaCode = substr($phoneNumber, -10, 3); $nextThree = substr($phoneNumber, -7, 3); $lastFour = substr($phoneNumber, -4, 4); $phoneNumber = '+'.$countryCode.' ('.$areaCode.') '.$nextThree.'-'.$lastFour; } else if(strlen($phoneNumber) == 10) { $areaCode = substr($phoneNumber, 0, 3); $nextThree = substr($phoneNumber, 3, 3); $lastFour = substr($phoneNumber, 6, 4); $phoneNumber = '('.$areaCode.') '.$nextThree.'-'.$lastFour; } else if(strlen($phoneNumber) == 7) { $nextThree = substr($phoneNumber, 0, 3); $lastFour = substr($phoneNumber, 3, 4); $phoneNumber = $nextThree.'-'.$lastFour; } return $phoneNumber; } function mkdir_missing($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 = bin2hex(random_bytes(8)); $salt = bin2hex(random_bytes(8)); //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); $user_encryption_ciphertext = $salt . $iv . $ciphertext; return $user_encryption_ciphertext; } /* * For additional users / password changes * New Users: Requires the admin setting up their account have a Specific/Session key configured * Password Changes: Will use the current info in the session. */ function encryptUserSpecificKey($user_password){ $iv = bin2hex(random_bytes(8)); $salt = bin2hex(random_bytes(8)); // 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); $user_encryption_ciphertext = $salt . $iv . $ciphertext; return $user_encryption_ciphertext; } // Given a ciphertext (incl. IV) and the user's password, returns the site master key // Ran at login, to facilitate generateUserSessionKey function decryptUserSpecificKey($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 $site_encryption_master_key = openssl_decrypt($ciphertext, 'aes-128-cbc', $user_password_kdhash, 0, $iv); return $site_encryption_master_key; } /* Generates what is probably best described as a session key (ephemeral-ish) - Allows us to store the master key on the server whilst the user is using the application, without prompting to type their password everytime they want to decrypt a credential - Ciphertext/IV is stored on the server in the users session, encryption key is controlled/provided by the user as a cookie - Only the user can decrypt their session ciphertext to get the master key - Encryption key never hits the disk in cleartext */ function generateUserSessionKey($site_encryption_master_key){ // Generate both of these using bin2hex(random_bytes(8)) $user_encryption_session_key = bin2hex(random_bytes(8)); $user_encryption_session_iv = bin2hex(random_bytes(8)); $user_encryption_session_ciphertext = openssl_encrypt($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, "/"); $_SESSION['alert_message'] = "Unencrypted connection flag set: Using non-secure cookies."; } } // Decrypts an encrypted password (website/asset login), returns it as a string function decryptLoginEntry($login_password_ciphertext){ // Split the login into IV and Ciphertext $login_iv = substr($login_password_ciphertext, 0, 16); $login_ciphertext = $salt = substr($login_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 login password using the master key $login_password_cleartext = openssl_decrypt($login_ciphertext, 'aes-128-cbc', $site_encryption_master_key, 0, $login_iv); return $login_password_cleartext; } // Encrypts a website/asset login password function encryptLoginEntry($login_password_cleartext){ $iv = bin2hex(random_bytes(8)); // 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 login using the master key $ciphertext = openssl_encrypt($login_password_cleartext, 'aes-128-cbc', $site_encryption_master_key, 0, $iv); $login_password_ciphertext = $iv . $ciphertext; return $login_password_ciphertext; } // Get domain expiration date function getDomainExpirationDate($name){ // Only run if we think the domain is valid if(!filter_var($name, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) { return '0000-00-00'; } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://lookup.itflow.org:8080/$name"); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); $response = json_decode(curl_exec($ch),1); if($response){ if(is_array($response['expiration_date'])){ $expiry = new DateTime($response['expiration_date'][1]); } else{ $expiry = new DateTime($response['expiration_date']); } return $expiry->format('Y-m-d'); } // Default return return '0000-00-00'; } // Get domain general info (whois + NS/A/MX records) function getDomainRecords($name){ $records = array(); // Only run if we think the domain is valid if(!filter_var($name, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) { $records['a'] = ''; $records['ns'] = ''; $records['mx'] = ''; $records['whois'] = ''; return $records; } $domain = escapeshellarg($name); $records['a'] = substr(trim(strip_tags(shell_exec("dig +short $domain"))), 0, 254); $records['ns'] = substr(trim(strip_tags(shell_exec("dig +short NS $domain"))), 0, 254); $records['mx'] = substr(trim(strip_tags(shell_exec("dig +short MX $domain"))), 0, 254); $records['txt'] = substr(trim(strip_tags(shell_exec("dig +short TXT $domain"))), 0, 254); $records['whois'] = substr(trim(strip_tags(shell_exec("whois -H $domain | sed 's/ //g' | head -30"))), 0, 254); return $records; } // Used to automatically attempt to get SSL certificates as part of adding domains // The logic for the fetch (sync) button on the client_certificates page is in ajax.php, and allows ports other than 443 function getSSL($name){ $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:443"; $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 $certificate; } function strto_AZaz09($string){ $string = ucwords(strtolower($string)); // Replace spaces with _ //$string = str_replace(' ', '_', $string); // Gets rid of non-alphanumerics $strto_AZaz09 = preg_replace( '/[^A-Za-z0-9_]/', '', $string ); return $strto_AZaz09; } // Cross-Site Request Forgery check for sensitive functions // Validates the CSRF token provided matches the one in the users session function validateCSRFToken($token){ if(hash_equals($token, $_SESSION['csrf_token'])){ return true; } else{ $_SESSION['alert_type'] = "warning"; $_SESSION['alert_message'] = "CSRF token verification failed. Try again, or log out to refresh your token."; header("Location: index.php"); exit(); } } /* * Role validation * Admin - 3 * Tech - 2 * Accountant - 1 */ function validateAdminRole(){ if(!isset($_SESSION['user_role']) || $_SESSION['user_role'] != 3){ $_SESSION['alert_type'] = "danger"; $_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED; header("Location: " . $_SERVER["HTTP_REFERER"]); exit(); } } function validateTechRole(){ if(!isset($_SESSION['user_role']) || $_SESSION['user_role'] == 1){ $_SESSION['alert_type'] = "danger"; $_SESSION['alert_message'] = WORDING_ROLECHECK_FAILED; header("Location: " . $_SERVER["HTTP_REFERER"]); exit(); } } function validateAccountantRole(){ if(!isset($_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){ $mail = new PHPMailer(true); try{ // Mail Server Settings $mail->SMTPDebug = 0; // No Debugging $mail->isSMTP(); // Set mailer to use SMTP $mail->Host = $config_smtp_host; // Specify SMTP server $mail->SMTPAuth = true; // Enable SMTP authentication $mail->Username = $config_smtp_username; // SMTP username $mail->Password = $config_smtp_password; // SMTP password $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 // Send $mail->send(); // Return true if this was successful return true; } catch(Exception $e){ // If we couldn't send the message return the error so we can log it return "Message not sent. Mailer Error: {$mail->ErrorInfo}"; } } ?>