/**
* Discoverer constructor.
* @param Config $config
*/
public function __construct(Config $config)
{
$paths = $config->getDiscovererPaths();
if (count($paths) == 0) {
throw new \DomainException('The Config object has no discoverable paths');
}
//@TODO check mandatory properties of API declaration (url, type)
foreach ($paths as $path) {
if (!is_dir($path)) {
throw new \InvalidArgumentException(sprintf('%s is not a directory', $path));
}
if (!is_readable($path)) {
throw new \DomainException(sprintf('%s is not a readable directory', $path));
}
}
$this->config = $config;
}
/**
*
* @param ServerRequestInterface|null $request
* @param ResponseInterface|null $response
* @param CacheProvider|null $cache
* @return array
*/
public function route(ServerRequestInterface $request = null, ResponseInterface $response = null, CacheProvider $cache = null)
{
$cacheDir = $this->config->getCacheDirectory();
$cacheKey = $this->config->getApiProperty('id');
$cacheLifetime = $this->config->getCacheLifetime();
$request = $request ?: ServerRequestFactory::fromGlobals();
$response = $response ?: new Response();
$cache = $cache ?: new FilesystemCache($cacheDir);
if (count($request->getHeader('Ext-Direct-Token1')) == 0) {
throw new \InvalidArgumentException('The Token1 is invalid');
}
if (count($request->getHeader('Ext-Direct-Token2')) == 0) {
throw new \InvalidArgumentException('The Token2 is invalid');
}
$token1 = $request->getHeader('Ext-Direct-Token1')[0];
$token2 = $request->getHeader('Ext-Direct-Token2')[0];
session_id($token1);
session_start();
if (!$_SESSION['Ext-Direct-Token2']) {
throw new \InvalidArgumentException('The session data is invalid');
}
if (strcmp($_SESSION['Ext-Direct-Token2'], $token2) != 0) {
throw new \InvalidArgumentException('Token2 verification failed');
}
if ($cache->contains($cacheKey)) {
$classMap = $cache->fetch($cacheKey);
} else {
$discoverer = new Discoverer($this->config);
$classMap = $discoverer->mapClasses();
$cache->save($cacheKey, $classMap, $cacheLifetime);
}
$actionsResults = [];
$actions = $this->getActions($request, $classMap);
$upload = false;
foreach ($actions as $action) {
$actionsResults[] = $action->run();
if ($action->isUpload()) {
$upload = true;
}
}
if ($upload) {
$result = sprintf('<html><body><textarea>%s</textarea></body></html>', preg_replace('/"/', '\\"', json_encode($actionsResults[0], \JSON_UNESCAPED_UNICODE)));
$response->getBody()->write($result);
$this->response = $response->withHeader('Content-Type', 'text/html');
} else {
if (count($actionsResults) == 1) {
$response->getBody()->write(json_encode($actionsResults[0], \JSON_UNESCAPED_UNICODE));
} else {
$response->getBody()->write(json_encode($actionsResults, \JSON_UNESCAPED_UNICODE));
}
$this->response = $response->withHeader('Content-Type', 'application/json');
}
}
/**
* Start discovery process
*
* @param ResponseInterface|null $response
* @param CacheProvider|null $cache
* @return array
*/
public function start(ResponseInterface $response = null, CacheProvider $cache = null)
{
$cacheDir = $this->config->getCacheDirectory();
$cacheKey = $this->config->getApiProperty('id');
$cacheLifetime = $this->config->getCacheLifetime();
$response = $response ?: new Response();
$cache = $cache ?: new FilesystemCache($cacheDir);
if ($cache->contains($cacheKey)) {
$classMap = $cache->fetch($cacheKey);
} else {
$classMap = $this->mapClasses();
$cache->save($cacheKey, $classMap, $cacheLifetime);
}
$api = $this->buildApi($classMap);
$body = sprintf('%s=%s;', $this->config->getApiDescriptor(), json_encode($api, \JSON_UNESCAPED_UNICODE));
$response->getBody()->write($body);
if (function_exists('openssl_random_pseudo_bytes')) {
$token1 = bin2hex(openssl_random_pseudo_bytes(16));
$token2 = bin2hex(openssl_random_pseudo_bytes(16));
} else {
$token1 = uniqid();
$token2 = uniqid();
}
if (isset($_COOKIE['Ext-Direct-Token1'])) {
$token1 = $_COOKIE['Ext-Direct-Token1'];
} else {
session_id($token1);
}
session_start();
if (isset($_SESSION['Ext-Direct-Token2'])) {
$token2 = $_SESSION['Ext-Direct-Token2'];
}
$_SESSION['Ext-Direct-Token2'] = $token2;
setcookie('Ext-Direct-Token1', $token1, 0, '/', session_get_cookie_params()['domain']);
$response->getBody()->write(sprintf('Ext.define(\'Ext.overrides.data.Connection\',{' . 'override:\'Ext.data.Connection\',request:function(o){o=Ext.apply(o||{},{' . 'withCredentials:true,cors:true,' . 'headers:{\'Ext-Direct-Token1\':\'%s\',\'Ext-Direct-Token2\':\'%s\'}});' . 'this.callParent([o]);}});', $token1, $token2));
$this->response = $response->withHeader('Content-Type', 'text/javascript')->withHeader('Set-Ext-Direct-Token1', $token1)->withHeader('Set-Ext-Direct-Token2', $token2);
}
/**
* Scan discoverable paths and get actions
*
* @return array
*/
public function mapClasses()
{
$paths = $this->config->getDiscovererPaths();
$files = $classMap = [];
foreach ($paths as $path) {
$files = array_merge($files, $this->loadDir($path));
}
foreach ($files as $file) {
$fileContent = file_get_contents($file);
$classes = array_keys(AnnotationsParser::parsePhp($fileContent));
Config::includeFile($file);
foreach ($classes as $className) {
$class = new \ReflectionClass($className);
if (!$class->isInstantiable()) {
continue;
}
$classAnnotations = AnnotationsParser::getAll($class);
if (!isset($classAnnotations['ExtDirect'])) {
continue;
}
$methods = $this->getMethods($class);
$classAlias = null;
if (isset($classAnnotations['ExtDirect\\Alias'])) {
if (is_array($classAnnotations['ExtDirect\\Alias']) && is_string($classAnnotations['ExtDirect\\Alias'][0])) {
$classAlias = $classAnnotations['ExtDirect\\Alias'][0];
}
}
$actionName = $classAlias ?: $className;
$classMap[$actionName]['action'] = $actionName;
$classMap[$actionName]['class'] = $className;
$classMap[$actionName]['file'] = $file;
$classMap[$actionName]['methods'] = $methods;
}
}
return $classMap;
}