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<?php
namespace FlatFileForms;
use FlatFileForms\Controllers\EntriesController;
use FlatFileForms\Controllers\FieldsController;
use FlatFileForms\Controllers\SubmissionController;
use FlatFileForms\Controllers\ValidationController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Yaml\Yaml;
class App
{
public string $formPath;
/**
* App constructor.
*/
public function __construct()
{
/**@var HookManager $hooks*/
global $hooks;
/**@var Form $form*/
global $form;
$hooks->doAction('init');
global $request;
global $response;
$request = Request::createFromGlobals();
$response = new Response();
$content = [
'data' => [],
];
$contentRoot = $_ENV['app']['contentFolderPath'];
$method = $request->getMethod();
$path = $request->getPathInfo();
$config = [];
try {
$config = $this->buildConfig($contentRoot . $path);
// check referrer
if (! empty($config['api']['referrer'])) {
$referrerDomain = $_SERVER['HTTP_REFERER'] ?? '';
$referrerIp = $_SERVER['REMOTE_ADDR'] ?? 0;
$referrerIsMatch = false;
foreach ($config['api']['referrer'] as $referrer) {
if (
($referrer['domain'] ?? $referrerDomain) === $referrerDomain &&
($referrer['ip'] ?? $referrerIp) === $referrerIp
) {
$referrerIsMatch = true;
break;
}
}
if (! $referrerIsMatch) {
throw new HttpException('Referrer mismatch', Response::HTTP_UNAUTHORIZED);
}
}
// support "Content-Type: application/json"
if ($request->headers->get('Content-Type') == 'application/json') {
$_POST = $request->toArray();
}
// check api key
$apiKey = $_GET['key'] ?? $_POST['key'] ?? null;
if (empty($apiKey)) {
throw new HttpException('API key missing', Response::HTTP_BAD_REQUEST);
}
if (! in_array($apiKey, $config['api']['keys'])) {
throw new HttpException('API key does not match', Response::HTTP_UNAUTHORIZED);
}
// GET
if ($method == 'GET') {
if (str_ends_with($path, '/fields')) {
$formPath = $contentRoot . str_replace('/fields', '', $path);
$form = new Form($formPath);
$builder = new Builder($formPath);
$fieldsController = new FieldsController();
$content = $fieldsController->getFields($builder);
}
else if (str_ends_with($path, '/entries')) {
if (! isset($_GET['dateFrom'])) {
throw new HttpException('dateFrom parameter missing', Response::HTTP_BAD_REQUEST);
}
$formPath = $contentRoot . str_replace('/entries', '', $path);
$form = new Form($formPath);
$entriesController = new EntriesController();
$content = $entriesController->getEntries($formPath);
}
else {
$content['data'] = Yaml::parseFile($contentRoot . $path . '.yaml');
}
}
// POST
else if ($method == 'POST') {
if (str_ends_with($path, '/validate')) {
$formPath = $contentRoot . str_replace('/validate', '', $path);
$form = new Form($formPath);
$builder = new Builder($formPath);
$validator = new Validator($formPath);
$validationController = new ValidationController();
$content = $validationController->validateRequest($builder, $validator);
}
else if (str_ends_with($path, '/submit')) {
$formPath = $contentRoot . str_replace('/submit', '', $path);
$form = new Form($formPath);
$builder = new Builder($formPath);
$validator = new Validator($formPath);
$submissionController = new SubmissionController();
$content = $submissionController->submit($builder, $validator, $formPath);
if (! empty($content['error'])) {
throw new HttpException($content['error'], Response::HTTP_UNPROCESSABLE_ENTITY);
}
}
}
// OPTIONS
else if ($method == 'OPTIONS') {
$response->headers->set('Access-Control-Allow-Headers', $request->headers->get('Access-Control-Request-Headers'));
}
} catch (\Exception $exception) {
if ($exception instanceof HttpException) {
$response->setStatusCode($exception->getCode());
}
$content['error'] = basename(get_class($exception)) . ': ' . $exception->getMessage();
}
$content = $hooks->applyFilter('response:content', $content, $response);
$response->headers->set('Content-Type', 'application/json');
$response->headers->set('Access-Control-Allow-Origin', implode(',', $config['api']['cors']['origins']));
$response->setContent(json_encode($content));
$response->send();
}
public function buildConfig(string $requestPath): array
{
$config = [];
$currentDirectory = $requestPath;
while (true) {
$configFile = $currentDirectory . '/config/config.yaml';
if (file_exists($configFile)) {
$parsedConfig = Yaml::parseFile($configFile);
$apiKeys = array_merge($parsedConfig['api']['keys'] ?? [], $config['api']['keys'] ?? []);
$config = array_replace_recursive($parsedConfig, $config);
$config['api']['keys'] = $apiKeys;
}
// include custom functions
$functionsFile = $currentDirectory . '/config/functions.php';
if (file_exists($functionsFile)) {
include_once $functionsFile;
}
if ($currentDirectory == $_ENV['app']['contentFolderPath'] || $currentDirectory == '/') {
break;
}
$currentDirectory = dirname($currentDirectory);
}
return $config;
}
}
|
