/**
* Fire the add command!
*
* @param array $args
* @return bool
*/
public function fire(array $args = []) : bool
{
try {
$this->getSession();
$dir = $this->session['dir'] . $this->findRelativeDir();
} catch (\Error $e) {
echo $e->getMessage(), "\n";
return false;
}
if (\count($args) === 0) {
echo 'No file passed.', "\n";
return false;
}
if (!isset($this->session['add'])) {
echo 'Creating session data', "\n";
$this->session['add'] = [];
}
$added = 0;
foreach ($args as $file) {
$l = Binary::safeStrlen($file) - 1;
if ($file[$l] === DIRECTORY_SEPARATOR) {
$file = Binary::safeSubstr($file, 0, -1);
}
$added += $this->addFile($file, $dir);
}
echo $added, ' file', $added === 1 ? '' : 's', ' added.', "\n";
return true;
}
/**
* SeedSpring constructor.
*
* @param string $seed
* @param int $counter
*/
public function __construct($seed = '', $counter = 0)
{
if (Binary::safeStrlen($seed) !== 16) {
throw new \InvalidArgumentException('Seed must be 16 bytes');
}
$this->seed('set', $seed);
$this->counter = 0;
}
/**
* Request a value.
* @param string $text
* @return string
*/
function prompt(string $text = '')
{
static $fp = null;
if ($fp === null) {
$fp = \fopen('php://stdin', 'r');
}
echo $text;
return Binary::safeSubstr(\fgets($fp), 0, -1);
}
/**
* 1. VerifyHMAC-then-Decrypt the ciphertext to get the hash
* 2. Verify that the password matches the hash
*
* @param string $password
* @param string $ciphertext
* @param string $aesKey - must be exactly 16 bytes
* @return bool
* @throws \Exception
* @throws \InvalidArgumentException
*/
public static function decryptAndVerifyLegacy(string $password, string $ciphertext, string $aesKey) : bool
{
if (!\is_string($password)) {
throw new \InvalidArgumentException('Password must be a string.');
}
if (Binary::safeStrlen($aesKey) !== 16) {
throw new \Exception("Encryption keys must be 16 bytes long");
}
$hash = Crypto::legacyDecrypt($ciphertext, $aesKey);
return \password_verify(Base64::encode(\hash('sha256', $password, true)), $hash);
}
/**
* Work around poorly-configured web servers by parsing out the GET parameters
*
* Be forewarned: this will overwrite $lastPiece
*
* @param string& $lastPiece (optional)
* @return array
*/
protected function httpGetParams(string &$lastPiece = null) : array
{
if ($lastPiece === null) {
return $_GET ?? [];
}
$p = \strpos($lastPiece, '?');
if ($p !== false && empty($_GET)) {
$_GET = \Airship\array_from_http_query(Binary::safeSubstr($lastPiece, $p + 1));
$lastPiece = Binary::safeSubstr($lastPiece, 0, $p);
}
return $_GET;
}
/**
* FileStore constructor.
* @param string $baseDirectory
* @param string $logfileFormat
* @param string $timeFormat
*/
public function __construct(string $baseDirectory = '', string $logfileFormat = self::FILE_FORMAT, string $timeFormat = self::TIME_FORMAT)
{
if (Binary::safeStrlen($baseDirectory) < 2) {
$this->basedir = ROOT . '/tmp/logs/';
} else {
$this->basedir = $baseDirectory;
}
if (!\is_dir($this->basedir)) {
\mkdir($this->basedir, 0775);
}
$this->fileFormat = $logfileFormat;
$this->timeFormat = $timeFormat;
}
/**
* If a file path is absolute, but still in the root, truncate it.
* If a file path is relative to the root, return it.
* Otherwise, thorw an error!
*
* @param string $file
* @return string
* @throws \Error
*/
protected function getRealPath(string $file) : string
{
if (!\file_exists($file)) {
throw new \Error('File not found: ' . $file);
}
if (\strpos($file, $this->session['dir']) === 0) {
$x = Binary::safeStrlen($this->session['dir']);
return Binary::safeSubstr($file, $x + 1);
} elseif ($file[0] !== DIRECTORY_SEPARATOR) {
return $file;
} else {
throw new \Error('File path is outside the root directory: ' . $file);
}
}
/**
* Our nonce logic needs to match OpenSSL's internals.
*/
public function testCtrModeNonce()
{
$seed = random_bytes(16);
$rnd1 = new SeedSpring($seed);
$rnd2 = new SeedSpring($seed);
foreach ([4096, 4097, 8192, 16384, 65536] as $test) {
$buf1 = '';
for ($i = 0; $i < $test; $i += 16) {
$buf1 .= $rnd1->getBytes($i + 16 > $test ? $test - $i : 16);
}
$buf2 = $rnd2->getBytes($test);
$this->assertSame(\ParagonIE\ConstantTime\Binary::safeStrlen($buf1), \ParagonIE\ConstantTime\Binary::safeStrlen($buf2), 'Not the same length - test ' . $test);
$this->assertSame(bin2hex(substr($buf1, 0, 16)), bin2hex(substr($buf2, 0, 16)), 'AES CTR nonce isn\'t correct - first 16 - test ' . $test);
$this->assertSame(bin2hex(substr($buf1, 16, 16)), bin2hex(substr($buf2, 16, 16)), 'AES CTR nonce isn\'t correct - next 16 - test ' . $test);
$this->assertSame(bin2hex(substr($buf1, -16, 16)), bin2hex(substr($buf2, -16, 16)), 'AES CTR nonce isn\'t correct - last 16 - test ' . $test);
}
}
/**
* The homepage for an Airship.
*
* @route /
*/
public function index()
{
$this->blog = $this->blueprint('Blog');
if (!\file_exists(ROOT . '/public/robots.txt')) {
// Default robots.txt
\file_put_contents(ROOT . '/public/robots.txt', "User-agent: *\nAllow: /");
}
$blogRoll = $this->blog->recentFullPosts((int) ($this->config('homepage.blog-posts') ?? 5));
$mathJAX = false;
foreach ($blogRoll as $i => $blog) {
$blogRoll[$i] = $this->blog->getSnippet($blog);
if (Binary::safeStrlen($blogRoll[$i]['snippet']) !== Binary::safeStrlen($blog['body'])) {
$blogRoll[$i]['snippet'] = \rtrim($blogRoll[$i]['snippet'], "\n");
}
$mathJAX |= \strpos($blog['body'], '$$') !== false;
}
$args = ['blogposts' => $blogRoll];
$this->config('blog.cachelists') ? $this->stasis('index', $args) : $this->lens('index', $args);
}
/**
* Load all of the supplier's Ed25519 public keys
*
* @param string $supplier
* @param boolean $force_flush
* @return SupplierObject|SupplierObject[]
* @throws NoSupplier
*/
public function getSupplier(string $supplier = '', bool $force_flush = false)
{
if (empty($supplier)) {
// Fetch all suppliers
if ($force_flush || empty($this->supplierCache)) {
$supplierCache = [];
$allSuppliers = \Airship\list_all_files(ROOT . '/config/supplier_keys', 'json');
foreach ($allSuppliers as $supplierKeyFile) {
// We want everything except the .json
$supplier = $this->escapeSupplierName(Binary::safeSubstr($this->getEndPiece($supplierKeyFile), 0, -5));
try {
$data = \Airship\loadJSON($supplierKeyFile);
} catch (FileNotFound $ex) {
$data = [];
}
$supplierCache[$supplier] = new SupplierObject($supplier, $data);
}
$this->supplierCache = $supplierCache;
}
return $this->supplierCache;
}
// Otherwise, we're just fetching one supplier's keys
if ($force_flush || empty($this->supplierCache[$supplier])) {
try {
$supplier = $this->escapeSupplierName($supplier);
$supplierFile = ROOT . '/config/supplier_keys/' . $supplier . '.json';
if (!\file_exists($supplierFile)) {
throw new NoSupplier(\__("Supplier file not found: %s", "default", $supplierFile));
}
$data = \Airship\loadJSON($supplierFile);
} catch (FileNotFound $ex) {
throw new NoSupplier(\__("Supplier not found: %s", "default", $supplier), 0, $ex);
}
$this->supplierCache[$supplier] = new SupplierObject($supplier, $data);
}
if (isset($this->supplierCache[$supplier])) {
return $this->supplierCache[$supplier];
}
throw new NoSupplier();
}
/**
* Blog post home
*
* @route /
*/
public function index()
{
$blogRoll = $this->blog->recentFullPosts((int) $this->config('homepage.blog-posts') ?? 5);
$mathJAX = false;
foreach ($blogRoll as $i => $blog) {
$blogRoll[$i] = $this->blog->getSnippet($blog);
if (Binary::safeStrlen($blogRoll[$i]['snippet']) !== Binary::safeStrlen($blog['body'])) {
$blogRoll[$i]['snippet'] = \rtrim($blogRoll[$i]['snippet'], "\n");
}
$mathJAX = $mathJAX || \strpos($blog['body'], '$$') !== false;
}
$args = ['pageTitle' => \__('Blog'), 'blogroll' => $blogRoll, 'mathjax' => $mathJAX];
$this->config('blog.cachelists') ? $this->stasis('blog/index', $args) : $this->lens('blog/index', $args);
}
/**
* WordPress's internal password hashing algorithm. Only used for migrations.
* The actual security of CMS Airship doesn't depend on this algorithm.
*
* @internal
* @param HiddenString $password
* @param string $setting
* @return string
*/
private function wordPressCryptPrivate(HiddenString $password, string $setting) : string
{
$output = '*0';
if (Binary::safeSubstr($setting, 0, 2) === $output) {
$output = '*1';
}
$id = Binary::safeSubstr($setting, 0, 3);
if ($id !== '$P$' && $id !== '$H$') {
return $output;
}
// This is a really weird way to encode iteration count.
$count_log2 = \strpos($this->itoa64, $setting[3]);
if ($count_log2 < 7 || $count_log2 > 30) {
return $output;
}
$count = 1 << $count_log2;
$salt = Binary::safeSubstr($setting, 4, 8);
if (Binary::safeStrlen($salt) !== 8) {
return $output;
}
// And now we do our (default 8192) rounds of MD5...
$hash = \md5($salt . $password->getString(), true);
do {
$hash = \md5($hash . $password->getString(), true);
} while (--$count);
$output = Binary::safeSubstr($setting, 0, 12);
$output .= $this->encode64($hash, 16);
return $output;
}
/**
* Binary-safe strlen() implementation
*
* @param string $str
* @return int
*/
public static function stringLength(string $str) : int
{
return Binary::safeStrlen($str);
}
/**
* Configure the application event logger here
*/
$log_setup_closure = function () {
$state = State::instance();
$loggerClass = Gears::getName('Ledger');
$args = [];
/**
* Here we build our logger storage class
*/
switch ($state->universal['ledger']['driver']) {
case 'file':
$path = $state->universal['ledger']['path'];
if (Binary::safeStrlen($path) >= 2) {
if ($path[0] === '~' && $path[1] === '/') {
$path = ROOT . '/' . Binary::safeSubstr($path, 2);
}
}
$storage = new FileStore($path, $state->universal['ledger']['file-format'] ?? FileStore::FILE_FORMAT, $state->universal['ledger']['time-format'] ?? FileStore::TIME_FORMAT);
break;
case 'database':
$path = $state->universal['ledger']['connection'];
try {
$storage = new DBStore($path, $state->universal['ledger']['table'] ?? DBStore::DEFAULT_TABLE);
} catch (\Throwable $ex) {
\http_response_code(500);
echo \file_get_contents(__DIR__ . '/error_pages/uncaught-exception.html');
if ($state->universal['debug']) {
echo '<pre>', $ex->getTraceAsString(), '</pre>';
}
exit(1);
/**
* @covers \Airship\uniqueId()
*/
public function testUniqueId()
{
$strings = [];
for ($i = 0; $i < 1024; ++$i) {
$strings[] = \Airship\uniqueId(33);
}
$this->assertSame($strings, \array_unique($strings), 'Collision!');
for ($i = 18; $i < 30; ++$i) {
$unique = \trim(\Airship\uniqueId($i), '=');
$this->assertSame($i, Binary::safeStrlen($unique));
}
}
<?php
declare (strict_types=1);
use ParagonIE\ConstantTime\Binary;
/**
* Paragon Initiative Enterprises
* PSR-4 compatible autoloader
*/
\spl_autoload_register(function ($class) {
// Project-specific namespace prefix
$prefix = 'Airship\\Hangar';
// Base directory for the namespace prefix
$base_dir = __DIR__ . DIRECTORY_SEPARATOR;
// Does the class use the namespace prefix?
$len = \strlen($prefix);
if (\strncmp($prefix, $class, $len) !== 0) {
// no, move to the next registered autoloader
return;
}
// Get the relative class name
$relative_class = Binary::safeSubstr($class, $len);
// Replace the namespace prefix with the base directory, replace namespace
// separators with directory separators in the relative class name, append
// with .php
$file = $base_dir . \str_replace(['\\', '_'], DIRECTORY_SEPARATOR, $relative_class) . '.php';
// If the file exists, require it
if (\file_exists($file)) {
require $file;
}
});
}
/**
* Let the user know precisely what's wrong, if anything is wrong.
*/
if (!Halite::isLibsodiumSetupCorrectly()) {
// Easiest way to grab this info:
\ob_start();
\phpinfo();
$data = \ob_get_clean();
$version = '';
foreach (\explode("\n", $data) as $line) {
if (empty($line)) {
continue;
}
if (\strpos($line, 'libsodium compiled version') !== false) {
$version = \trim(Binary::safeSubstr(\trim($line), -6));
break;
}
}
die("Your libsodium is not setup correctly. Please make sure you have at least:\n\n" . "\tlibsodium v1.0.10 (Installed: " . \Sodium\version_string() . ")\n" . "\tlibsodium-php v1.0.6 (Installed: " . $version . ")\n");
}
/**
* 3. Process the CLI parameters
*/
$showAll = true;
if ($argc < 2) {
// Default behavior: Display the help menu
$argv[1] = 'help';
$showAll = false;
$argc = 2;
}
$link = ROOT . '/public/static/' . $active['name'];
if (!\is_link($link)) {
// Remove copies, we only allow symlinks in static
if (\is_dir($link)) {
\rmdir($link);
} elseif (\file_exists($link)) {
\unlink($link);
}
// Create a symlink from public/static/* to Cabin/*/public
/** @noinspection PhpUsageOfSilenceOperatorInspection */
@\symlink(CABIN_DIR . '/public', ROOT . '/public/static/' . $active['name']);
}
}
// Let's load the default cargo modules
if (\is_dir(CABIN_DIR . '/Lens/cargo')) {
$cargoCacheFile = ROOT . '/tmp/cache/cargo-' . $active['name'] . '.cache.json';
if (\file_exists($cargoCacheFile)) {
$data = Airship\loadJSON($cargoCacheFile);
$state->cargo = $data;
} else {
$dir = \getcwd();
\chdir(CABIN_DIR . '/Lens');
foreach (\Airship\list_all_files('cargo', 'twig') as $cargo) {
$idx = \str_replace(['__', '/'], ['', '__'], Binary::safeSubstr($cargo, 6, -5));
Gadgets::loadCargo($idx, $cargo);
}
\chdir($dir);
// Store the cache file
\Airship\saveJSON($cargoCacheFile, $state->cargo);
}
}
/**
* Get a preview snippet of a blog post
*
* @param array $post Post data
* @param boolean $after Do we want the content after the fold?
* @return array
*/
public function getSnippet(array $post, bool $after = false) : array
{
// First, let's try cutting it off by section...
if (empty($post['body'])) {
return $post;
}
$i = 0;
if ($post['format'] === 'Rich Text') {
$post['body'] = \str_replace('><', '>' . "\n" . '<', $post['body']);
}
// Just in case:
$post['body'] = \str_replace("\r\n", "\n", $post['body']);
$lines = \explode("\n", $post['body']);
// If we find <!--FOLD--> in the body, split on that instead:
$search = \array_search($this->defaultSeparator, $lines);
if ($search !== false) {
$post['snippet'] = \implode("\n", \array_slice($lines, 0, $search - 1));
if ($after) {
$post['after_fold'] = \implode("\n", \array_slice($lines, $search));
}
return $post;
}
// Short post? Just dump it as-is:
if (count($lines) < 4 || Binary::safeStrlen($post['body']) < 200) {
$post['snippet'] = $post['body'];
$post['after_fold'] = '';
return $post;
}
$cutoff = null;
$regex = '#^([' . \preg_quote('!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~', '#') . '])#';
foreach ($lines as $i => $line) {
if (empty($line)) {
continue;
}
if ($post['format'] === 'RST') {
if (\preg_match($regex, $line[0], $m)) {
if ($i > 2 && \trim($line) === \str_repeat($m[1], Binary::safeStrlen($line))) {
$cutoff = $i;
break;
}
}
} elseif ($post['format'] === 'Markdown') {
if (\preg_match('#^([' . \preg_quote('#', '#') . ']{1,})#', $line[0], $m)) {
$cutoff = $i;
break;
}
} elseif ($post['format'] === 'HTML' || $post['format'] === 'Rich Text') {
if (\preg_match('#^<' . 'h[1-7]>#', $line[0], $m)) {
$cutoff = $i;
break;
}
}
}
if ($cutoff !== null) {
$post['snippet'] = \implode("\n", \array_slice($lines, 0, $i - 1));
if ($after) {
$post['after_fold'] = \implode("\n", \array_slice($lines, $i - 1));
}
return $post;
}
// Next, let's find the 37% mark for breaks
$split = $post['format'] === 'Rich Text' || $post['format'] === 'HTML' ? "\n" : "\n\n";
$sects = \explode($split, $post['body']);
// 37% is approximately 1/e (the mathematical constant)
$cut = (int) \ceil(0.37 * \count($sects));
if ($sects < 2) {
$post['snippet'] = $post['body'];
$post['after_fold'] = '';
return $post;
}
if (\preg_match('#^\\.\\. #', $sects[$cut - 1])) {
--$cut;
}
$post['snippet'] = \implode("\n\n", \array_slice($sects, 0, $cut - 1)) . "\n";
if ($after) {
$post['after_fold'] = "\n" . \implode($split, \array_slice($sects, $cut - 1));
}
return $post;
}
<?php
declare (strict_types=1);
use ParagonIE\ConstantTime\Binary;
require_once \dirname(__DIR__) . '/src/bootstrap.php';
/**
* Grabs a random file and tells you to audit it.
*/
if ($argc > 1) {
$extensions = \array_slice($argv, 1);
} else {
$extensions = ['php', 'twig'];
}
$fileList = [];
foreach ($extensions as $ex) {
foreach (\Airship\list_all_files(\dirname(__DIR__) . '/src/', $ex) as $file) {
$fileList[] = $file;
}
}
$choice = \random_int(0, \count($fileList) - 1);
echo "Audit this file:\n\t";
$l = Binary::safeStrlen(\dirname(__DIR__));
echo Binary::safeSubstr($fileList[$choice], $l), "\n";
// Are we still installing?
/** @noinspection PhpUsageOfSilenceOperatorInspection */
if (@\is_readable(dirname(__DIR__) . '/tmp/installing.json') || !\file_exists(dirname(__DIR__) . '/config/databases.json')) {
include dirname(__DIR__) . '/Installer/launch.php';
exit;
}
/**
* Load the bare minimum:
*/
require_once \dirname(__DIR__) . '/preload.php';
$start = \microtime(true);
if (empty($_POST)) {
/**
* Let's get rid of trailing slashes in URLs without POST data
*/
$sliceAt = Binary::safeStrlen($_SERVER['REQUEST_URI']) - 1;
if ($sliceAt > 0 && $_SERVER['REQUEST_URI'][$sliceAt] === '/') {
\Airship\redirect('/' . \trim($_SERVER['REQUEST_URI'], '/'));
}
/**
* Let's handle static content caching
*/
if (\extension_loaded('apcu')) {
$staticCache = (new MemoryCache())->personalize('staticPage:');
$cspCache = (new MemoryCache())->personalize('contentSecurityPolicy:');
} else {
if (!\is_dir(ROOT . '/tmp/cache/static')) {
require_once ROOT . '/tmp_dirs.php';
}
$staticCache = new FileCache(ROOT . '/tmp/cache/static');
$cspCache = new FileCache(ROOT . '/tmp/cache/csp_static');
/**
* Actually serve the HTTP request
*/
public function route()
{
$this->loadInjectedRoutes();
$args = [];
foreach ($this->cabin['data']['routes'] as $path => $landing) {
$path = self::makePath($path);
if (self::testLanding($path, $_SERVER['REQUEST_URI'], $args)) {
self::$mypath = $path;
self::$path = Binary::safeSubstr($_SERVER['REQUEST_URI'], Binary::safeStrlen(self::$patternPrefix) + 1);
try {
// Attempt to serve the page:
return $this->serve($landing, \array_slice($args, 1));
} catch (EmulatePageNotFound $ex) {
// If this exception is throw, we will attempt to serve
// the fallback route (which might end up with a 404 page)
return $this->serveFallback();
}
}
}
return $this->serveFallback();
}
/**
* Coerce a string into base64 format.
*
* @param string $hash
* @param string $algo
* @return string
* @throws \Exception
*/
protected function coerceBase64(string $hash, string $algo = 'sha256') : string
{
switch ($algo) {
case 'sha256':
$limits = ['raw' => 32, 'hex' => 64, 'pad_min' => 40, 'pad_max' => 44];
break;
default:
throw new \Exception('Browsers currently only support sha256 public key pins.');
}
$len = Binary::safeStrlen($hash);
if ($len === $limits['hex']) {
$hash = Base64::encode(Hex::decode($hash));
} elseif ($len === $limits['raw']) {
$hash = Base64::encode($hash);
} elseif ($len > $limits['pad_min'] && $len < $limits['pad_max']) {
// Padding was stripped!
$hash .= \str_repeat('=', $len % 4);
// Base64UrlSsafe encoded.
if (\strpos($hash, '_') !== false || \strpos($hash, '-') !== false) {
$hash = Base64UrlSafe::decode($hash);
} else {
$hash = Base64::decode($hash);
}
$hash = Base64::encode($hash);
}
return $hash;
}
