Total: 22
.NET Framework
Test
2021
Project Request
ASP.NET MVC • C# • SQL Server
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2020
ProjectC
ASP.NET MVC • C# • JSON • jQuery
JSON data processing.
Test
2020
Vehicle Maintenance
ASP.NET MVC • VB.NET • JSON
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2019
Movie Navigator
ASP.NET MVC • VB.NET
Request information about movie from IMDB.
Test
2018
Customers Exchange
ASP.NET MVC • C# • SQL Server
Automated teller machine emulation.
Test
2016
ATM
ASP.NET MVC • C#
Automated teller machine emulation.
.NET Core
Pet project
2022
Mail Daemon
.NET 9 • Console • JSON
Utility to send mails with customizable settings.
Custom
Code
2024
Buns of code
.NET Framework • C# • JavaScript
Code snippets from my projects, ready to use; tiny tests; code examples.
PHP
Test
2024
Mediabox
PHP 8 • Laravel 11 • Vue.js • Composer • SQLite
Test project for media files management.
Test
2020
Loan Castle
PHP • MariaDB
Jums jāizstrādā kāda lielāk projekta prototips. Izstrādājot prototipu, paturiet prātā, ka projektam attīstoties, šo prototipu varētu vajadzēt pilnveidot.
Test
2020
Content Management
PHP • MySQL • AJAX
Создать простой сайт, где будет страница с формой для авторизации и страница для авторизованного пользователя.
Test
2019
Laravel
PHP • Laravel • Vue.js • Composer • SQLite
Izveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
Test
2019
Phone Check
PHP • JavaScript • JSON • Docker
Implement application to detect country by phone number.
Frontend
Test
2021
Forex Wall
npm • React
For this exercise, what we need is a simple live wall for tracking currencies.
Business projects
Commercial
2008
Certification Center
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Dapper • JavaScript • jQuery • Git
Transport registration and certification services in Latvia, Customer Relationship Management.
Commercial
2000
Amerikas Auto
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Entity Framework • JavaScript • jQuery • Git
Car service and spare parts for all USA and European car models, Customer Relationship Management.
Pet projects
Pet project
2023
Geolocation Assistant
.NET 8 • ASP.NET Core • C# • Web API • JSON • Git
Website for determining geolocation by IP or geotagged photo.
Pet project
2008
Web Dynamics
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
Software development blog. Articles, books, videos, content management.
Pet project
2000
Blackball
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • XML • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
My entertainment portal created from scratch.
Good old times
Legacy
2000
DOS Clock
Turbo Pascal • Assembler
Digital clock.
Legacy
2000
BrainOut
Turbo Pascal • Assembler
Tank battle game.
Legacy
1999
Airport Administrator
Turbo Pascal
Курсовая работа в институте.
Legacy
1998
Atomizer
Turbo Pascal • Assembler
Atomizer, aka «Studio2D». Graphic raster editor. AGI is my own «Atomizer Generated Image» file format.
Laravel
2019 TestIzveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
PHP
Laravel
Vue.js
Composer
SQLite
Source code
Root
/
vendor
/
swiftmailer
/
swiftmailer
/
lib
/
classes
/
Swift
/
Transport
/
Esmtp
/
Auth
/
NTLMAuthenticator.php
<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* This authentication is for Exchange servers. We support version 1 & 2.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Handles NTLM authentication.
*
* @author Ward Peeters <ward@coding-tech.com>
*/
class Swift_Transport_Esmtp_Auth_NTLMAuthenticator implements Swift_Transport_Esmtp_Authenticator
{
const NTLMSIG = "NTLMSSP\x00";
const DESCONST = 'KGS!@#$%';
/**
* Get the name of the AUTH mechanism this Authenticator handles.
*
* @return string
*/
public function getAuthKeyword()
{
return 'NTLM';
}
/**
* {@inheritdoc}
*
* @throws \LogicException
*/
public function authenticate(Swift_Transport_SmtpAgent $agent, $username, $password)
{
if (!function_exists('openssl_encrypt')) {
throw new LogicException('The OpenSSL extension must be enabled to use the NTLM authenticator.');
}
if (!function_exists('bcmul')) {
throw new LogicException('The BCMath functions must be enabled to use the NTLM authenticator.');
}
try {
// execute AUTH command and filter out the code at the beginning
// AUTH NTLM xxxx
$response = base64_decode(substr(trim($this->sendMessage1($agent)), 4));
// extra parameters for our unit cases
$timestamp = func_num_args() > 3 ? func_get_arg(3) : $this->getCorrectTimestamp(bcmul(microtime(true), '1000'));
$client = func_num_args() > 4 ? func_get_arg(4) : random_bytes(8);
// Message 3 response
$this->sendMessage3($response, $username, $password, $timestamp, $client, $agent);
return true;
} catch (Swift_TransportException $e) {
$agent->executeCommand("RSET\r\n", [250]);
throw $e;
}
}
protected function si2bin($si, $bits = 32)
{
$bin = null;
if ($si >= -pow(2, $bits - 1) && ($si <= pow(2, $bits - 1))) {
// positive or zero
if ($si >= 0) {
$bin = base_convert($si, 10, 2);
// pad to $bits bit
$bin_length = strlen($bin);
if ($bin_length < $bits) {
$bin = str_repeat('0', $bits - $bin_length).$bin;
}
} else {
// negative
$si = -$si - pow(2, $bits);
$bin = base_convert($si, 10, 2);
$bin_length = strlen($bin);
if ($bin_length > $bits) {
$bin = str_repeat('1', $bits - $bin_length).$bin;
}
}
}
return $bin;
}
/**
* Send our auth message and returns the response.
*
* @return string SMTP Response
*/
protected function sendMessage1(Swift_Transport_SmtpAgent $agent)
{
$message = $this->createMessage1();
return $agent->executeCommand(sprintf("AUTH %s %s\r\n", $this->getAuthKeyword(), base64_encode($message)), [334]);
}
/**
* Fetch all details of our response (message 2).
*
* @param string $response
*
* @return array our response parsed
*/
protected function parseMessage2($response)
{
$responseHex = bin2hex($response);
$length = floor(hexdec(substr($responseHex, 28, 4)) / 256) * 2;
$offset = floor(hexdec(substr($responseHex, 32, 4)) / 256) * 2;
$challenge = hex2bin(substr($responseHex, 48, 16));
$context = hex2bin(substr($responseHex, 64, 16));
$targetInfoH = hex2bin(substr($responseHex, 80, 16));
$targetName = hex2bin(substr($responseHex, $offset, $length));
$offset = floor(hexdec(substr($responseHex, 88, 4)) / 256) * 2;
$targetInfoBlock = substr($responseHex, $offset);
list($domainName, $serverName, $DNSDomainName, $DNSServerName, $terminatorByte) = $this->readSubBlock($targetInfoBlock);
return [
$challenge,
$context,
$targetInfoH,
$targetName,
$domainName,
$serverName,
$DNSDomainName,
$DNSServerName,
hex2bin($targetInfoBlock),
$terminatorByte,
];
}
/**
* Read the blob information in from message2.
*
* @return array
*/
protected function readSubBlock($block)
{
// remove terminatorByte cause it's always the same
$block = substr($block, 0, -8);
$length = strlen($block);
$offset = 0;
$data = [];
while ($offset < $length) {
$blockLength = hexdec(substr(substr($block, $offset, 8), -4)) / 256;
$offset += 8;
$data[] = hex2bin(substr($block, $offset, $blockLength * 2));
$offset += $blockLength * 2;
}
if (3 == count($data)) {
$data[] = $data[2];
$data[2] = '';
}
$data[] = $this->createByte('00');
return $data;
}
/**
* Send our final message with all our data.
*
* @param string $response Message 1 response (message 2)
* @param string $username
* @param string $password
* @param string $timestamp
* @param string $client
* @param bool $v2 Use version2 of the protocol
*
* @return string
*/
protected function sendMessage3($response, $username, $password, $timestamp, $client, Swift_Transport_SmtpAgent $agent, $v2 = true)
{
list($domain, $username) = $this->getDomainAndUsername($username);
//$challenge, $context, $targetInfoH, $targetName, $domainName, $workstation, $DNSDomainName, $DNSServerName, $blob, $ter
list($challenge, , , , , $workstation, , , $blob) = $this->parseMessage2($response);
if (!$v2) {
// LMv1
$lmResponse = $this->createLMPassword($password, $challenge);
// NTLMv1
$ntlmResponse = $this->createNTLMPassword($password, $challenge);
} else {
// LMv2
$lmResponse = $this->createLMv2Password($password, $username, $domain, $challenge, $client);
// NTLMv2
$ntlmResponse = $this->createNTLMv2Hash($password, $username, $domain, $challenge, $blob, $timestamp, $client);
}
$message = $this->createMessage3($domain, $username, $workstation, $lmResponse, $ntlmResponse);
return $agent->executeCommand(sprintf("%s\r\n", base64_encode($message)), [235]);
}
/**
* Create our message 1.
*
* @return string
*/
protected function createMessage1()
{
return self::NTLMSIG
.$this->createByte('01') // Message 1
.$this->createByte('0702'); // Flags
}
/**
* Create our message 3.
*
* @param string $domain
* @param string $username
* @param string $workstation
* @param string $lmResponse
* @param string $ntlmResponse
*
* @return string
*/
protected function createMessage3($domain, $username, $workstation, $lmResponse, $ntlmResponse)
{
// Create security buffers
$domainSec = $this->createSecurityBuffer($domain, 64);
$domainInfo = $this->readSecurityBuffer(bin2hex($domainSec));
$userSec = $this->createSecurityBuffer($username, ($domainInfo[0] + $domainInfo[1]) / 2);
$userInfo = $this->readSecurityBuffer(bin2hex($userSec));
$workSec = $this->createSecurityBuffer($workstation, ($userInfo[0] + $userInfo[1]) / 2);
$workInfo = $this->readSecurityBuffer(bin2hex($workSec));
$lmSec = $this->createSecurityBuffer($lmResponse, ($workInfo[0] + $workInfo[1]) / 2, true);
$lmInfo = $this->readSecurityBuffer(bin2hex($lmSec));
$ntlmSec = $this->createSecurityBuffer($ntlmResponse, ($lmInfo[0] + $lmInfo[1]) / 2, true);
return self::NTLMSIG
.$this->createByte('03') // TYPE 3 message
.$lmSec // LM response header
.$ntlmSec // NTLM response header
.$domainSec // Domain header
.$userSec // User header
.$workSec // Workstation header
.$this->createByte('000000009a', 8) // session key header (empty)
.$this->createByte('01020000') // FLAGS
.$this->convertTo16bit($domain) // domain name
.$this->convertTo16bit($username) // username
.$this->convertTo16bit($workstation) // workstation
.$lmResponse
.$ntlmResponse;
}
/**
* @param string $timestamp Epoch timestamp in microseconds
* @param string $client Random bytes
* @param string $targetInfo
*
* @return string
*/
protected function createBlob($timestamp, $client, $targetInfo)
{
return $this->createByte('0101')
.$this->createByte('00')
.$timestamp
.$client
.$this->createByte('00')
.$targetInfo
.$this->createByte('00');
}
/**
* Get domain and username from our username.
*
* @example DOMAIN\username
*
* @param string $name
*
* @return array
*/
protected function getDomainAndUsername($name)
{
if (false !== strpos($name, '\\')) {
return explode('\\', $name);
}
if (false !== strpos($name, '@')) {
list($user, $domain) = explode('@', $name);
return [$domain, $user];
}
// no domain passed
return ['', $name];
}
/**
* Create LMv1 response.
*
* @param string $password
* @param string $challenge
*
* @return string
*/
protected function createLMPassword($password, $challenge)
{
// FIRST PART
$password = $this->createByte(strtoupper($password), 14, false);
list($key1, $key2) = str_split($password, 7);
$desKey1 = $this->createDesKey($key1);
$desKey2 = $this->createDesKey($key2);
$constantDecrypt = $this->createByte($this->desEncrypt(self::DESCONST, $desKey1).$this->desEncrypt(self::DESCONST, $desKey2), 21, false);
// SECOND PART
list($key1, $key2, $key3) = str_split($constantDecrypt, 7);
$desKey1 = $this->createDesKey($key1);
$desKey2 = $this->createDesKey($key2);
$desKey3 = $this->createDesKey($key3);
return $this->desEncrypt($challenge, $desKey1).$this->desEncrypt($challenge, $desKey2).$this->desEncrypt($challenge, $desKey3);
}
/**
* Create NTLMv1 response.
*
* @param string $password
* @param string $challenge
*
* @return string
*/
protected function createNTLMPassword($password, $challenge)
{
// FIRST PART
$ntlmHash = $this->createByte($this->md4Encrypt($password), 21, false);
list($key1, $key2, $key3) = str_split($ntlmHash, 7);
$desKey1 = $this->createDesKey($key1);
$desKey2 = $this->createDesKey($key2);
$desKey3 = $this->createDesKey($key3);
return $this->desEncrypt($challenge, $desKey1).$this->desEncrypt($challenge, $desKey2).$this->desEncrypt($challenge, $desKey3);
}
/**
* Convert a normal timestamp to a tenth of a microtime epoch time.
*
* @param string $time
*
* @return string
*/
protected function getCorrectTimestamp($time)
{
// Get our timestamp (tricky!)
$time = number_format($time, 0, '.', ''); // save microtime to string
$time = bcadd($time, '11644473600000', 0); // add epoch time
$time = bcmul($time, 10000, 0); // tenths of a microsecond.
$binary = $this->si2bin($time, 64); // create 64 bit binary string
$timestamp = '';
for ($i = 0; $i < 8; ++$i) {
$timestamp .= chr(bindec(substr($binary, -(($i + 1) * 8), 8)));
}
return $timestamp;
}
/**
* Create LMv2 response.
*
* @param string $password
* @param string $username
* @param string $domain
* @param string $challenge NTLM Challenge
* @param string $client Random string
*
* @return string
*/
protected function createLMv2Password($password, $username, $domain, $challenge, $client)
{
$lmPass = '00'; // by default 00
// if $password > 15 than we can't use this method
if (strlen($password) <= 15) {
$ntlmHash = $this->md4Encrypt($password);
$ntml2Hash = $this->md5Encrypt($ntlmHash, $this->convertTo16bit(strtoupper($username).$domain));
$lmPass = bin2hex($this->md5Encrypt($ntml2Hash, $challenge.$client).$client);
}
return $this->createByte($lmPass, 24);
}
/**
* Create NTLMv2 response.
*
* @param string $password
* @param string $username
* @param string $domain
* @param string $challenge Hex values
* @param string $targetInfo Hex values
* @param string $timestamp
* @param string $client Random bytes
*
* @return string
*
* @see http://davenport.sourceforge.net/ntlm.html#theNtlmResponse
*/
protected function createNTLMv2Hash($password, $username, $domain, $challenge, $targetInfo, $timestamp, $client)
{
$ntlmHash = $this->md4Encrypt($password);
$ntml2Hash = $this->md5Encrypt($ntlmHash, $this->convertTo16bit(strtoupper($username).$domain));
// create blob
$blob = $this->createBlob($timestamp, $client, $targetInfo);
$ntlmv2Response = $this->md5Encrypt($ntml2Hash, $challenge.$blob);
return $ntlmv2Response.$blob;
}
protected function createDesKey($key)
{
$material = [bin2hex($key[0])];
$len = strlen($key);
for ($i = 1; $i < $len; ++$i) {
list($high, $low) = str_split(bin2hex($key[$i]));
$v = $this->castToByte(ord($key[$i - 1]) << (7 + 1 - $i) | $this->uRShift(hexdec(dechex(hexdec($high) & 0xf).dechex(hexdec($low) & 0xf)), $i));
$material[] = str_pad(substr(dechex($v), -2), 2, '0', STR_PAD_LEFT); // cast to byte
}
$material[] = str_pad(substr(dechex($this->castToByte(ord($key[6]) << 1)), -2), 2, '0');
// odd parity
foreach ($material as $k => $v) {
$b = $this->castToByte(hexdec($v));
$needsParity = 0 == (($this->uRShift($b, 7) ^ $this->uRShift($b, 6) ^ $this->uRShift($b, 5)
^ $this->uRShift($b, 4) ^ $this->uRShift($b, 3) ^ $this->uRShift($b, 2)
^ $this->uRShift($b, 1)) & 0x01);
list($high, $low) = str_split($v);
if ($needsParity) {
$material[$k] = dechex(hexdec($high) | 0x0).dechex(hexdec($low) | 0x1);
} else {
$material[$k] = dechex(hexdec($high) & 0xf).dechex(hexdec($low) & 0xe);
}
}
return hex2bin(implode('', $material));
}
/** HELPER FUNCTIONS */
/**
* Create our security buffer depending on length and offset.
*
* @param string $value Value we want to put in
* @param int $offset start of value
* @param bool $is16 Do we 16bit string or not?
*
* @return string
*/
protected function createSecurityBuffer($value, $offset, $is16 = false)
{
$length = strlen(bin2hex($value));
$length = $is16 ? $length / 2 : $length;
$length = $this->createByte(str_pad(dechex($length), 2, '0', STR_PAD_LEFT), 2);
return $length.$length.$this->createByte(dechex($offset), 4);
}
/**
* Read our security buffer to fetch length and offset of our value.
*
* @param string $value Securitybuffer in hex
*
* @return array array with length and offset
*/
protected function readSecurityBuffer($value)
{
$length = floor(hexdec(substr($value, 0, 4)) / 256) * 2;
$offset = floor(hexdec(substr($value, 8, 4)) / 256) * 2;
return [$length, $offset];
}
/**
* Cast to byte java equivalent to (byte).
*
* @param int $v
*
* @return int
*/
protected function castToByte($v)
{
return (($v + 128) % 256) - 128;
}
/**
* Java unsigned right bitwise
* $a >>> $b.
*
* @param int $a
* @param int $b
*
* @return int
*/
protected function uRShift($a, $b)
{
if (0 == $b) {
return $a;
}
return ($a >> $b) & ~(1 << (8 * PHP_INT_SIZE - 1) >> ($b - 1));
}
/**
* Right padding with 0 to certain length.
*
* @param string $input
* @param int $bytes Length of bytes
* @param bool $isHex Did we provided hex value
*
* @return string
*/
protected function createByte($input, $bytes = 4, $isHex = true)
{
if ($isHex) {
$byte = hex2bin(str_pad($input, $bytes * 2, '00'));
} else {
$byte = str_pad($input, $bytes, "\x00");
}
return $byte;
}
/** ENCRYPTION ALGORITHMS */
/**
* DES Encryption.
*
* @param string $value An 8-byte string
* @param string $key
*
* @return string
*/
protected function desEncrypt($value, $key)
{
return substr(openssl_encrypt($value, 'DES-ECB', $key, \OPENSSL_RAW_DATA), 0, 8);
}
/**
* MD5 Encryption.
*
* @param string $key Encryption key
* @param string $msg Message to encrypt
*
* @return string
*/
protected function md5Encrypt($key, $msg)
{
$blocksize = 64;
if (strlen($key) > $blocksize) {
$key = pack('H*', md5($key));
}
$key = str_pad($key, $blocksize, "\0");
$ipadk = $key ^ str_repeat("\x36", $blocksize);
$opadk = $key ^ str_repeat("\x5c", $blocksize);
return pack('H*', md5($opadk.pack('H*', md5($ipadk.$msg))));
}
/**
* MD4 Encryption.
*
* @param string $input
*
* @return string
*
* @see https://secure.php.net/manual/en/ref.hash.php
*/
protected function md4Encrypt($input)
{
$input = $this->convertTo16bit($input);
return function_exists('hash') ? hex2bin(hash('md4', $input)) : mhash(MHASH_MD4, $input);
}
/**
* Convert UTF-8 to UTF-16.
*
* @param string $input
*
* @return string
*/
protected function convertTo16bit($input)
{
return iconv('UTF-8', 'UTF-16LE', $input);
}
/**
* @param string $message
*/
protected function debug($message)
{
$message = bin2hex($message);
$messageId = substr($message, 16, 8);
echo substr($message, 0, 16)." NTLMSSP Signature<br />\n";
echo $messageId." Type Indicator<br />\n";
if ('02000000' == $messageId) {
$map = [
'Challenge',
'Context',
'Target Information Security Buffer',
'Target Name Data',
'NetBIOS Domain Name',
'NetBIOS Server Name',
'DNS Domain Name',
'DNS Server Name',
'BLOB',
'Target Information Terminator',
];
$data = $this->parseMessage2(hex2bin($message));
foreach ($map as $key => $value) {
echo bin2hex($data[$key]).' - '.$data[$key].' ||| '.$value."<br />\n";
}
} elseif ('03000000' == $messageId) {
$i = 0;
$data[$i++] = substr($message, 24, 16);
list($lmLength, $lmOffset) = $this->readSecurityBuffer($data[$i - 1]);
$data[$i++] = substr($message, 40, 16);
list($ntmlLength, $ntmlOffset) = $this->readSecurityBuffer($data[$i - 1]);
$data[$i++] = substr($message, 56, 16);
list($targetLength, $targetOffset) = $this->readSecurityBuffer($data[$i - 1]);
$data[$i++] = substr($message, 72, 16);
list($userLength, $userOffset) = $this->readSecurityBuffer($data[$i - 1]);
$data[$i++] = substr($message, 88, 16);
list($workLength, $workOffset) = $this->readSecurityBuffer($data[$i - 1]);
$data[$i++] = substr($message, 104, 16);
$data[$i++] = substr($message, 120, 8);
$data[$i++] = substr($message, $targetOffset, $targetLength);
$data[$i++] = substr($message, $userOffset, $userLength);
$data[$i++] = substr($message, $workOffset, $workLength);
$data[$i++] = substr($message, $lmOffset, $lmLength);
$data[$i] = substr($message, $ntmlOffset, $ntmlLength);
$map = [
'LM Response Security Buffer',
'NTLM Response Security Buffer',
'Target Name Security Buffer',
'User Name Security Buffer',
'Workstation Name Security Buffer',
'Session Key Security Buffer',
'Flags',
'Target Name Data',
'User Name Data',
'Workstation Name Data',
'LM Response Data',
'NTLM Response Data',
];
foreach ($map as $key => $value) {
echo $data[$key].' - '.hex2bin($data[$key]).' ||| '.$value."<br />\n";
}
}
echo '<br /><br />';
}
}