Greg Sarjeant
6337fa2dfb
Add a Prerequisite class to manage all initilaization prerequisites. Invoke before each request. Provide a CLI script to allow checking Prereqs from command line. Add CI workflow to confirm prereq validation behavior. Reviewed-on: https://gitea.subcultureofone.org/greg/tkr/pulls/30 Co-authored-by: Greg Sarjeant <greg@subcultureofone.org> Co-committed-by: Greg Sarjeant <greg@subcultureofone.org>
99 lines
2.6 KiB
PHP
99 lines
2.6 KiB
PHP
<?php
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// Store and validate request data
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$method = $_SERVER['REQUEST_METHOD'];
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$request = $_SERVER['REQUEST_URI'];
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$path = parse_url($request, PHP_URL_PATH);
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// return a 404 if a request for a .php file gets this far.
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if (preg_match('/\.php$/', $path)) {
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http_response_code(404);
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echo '<h1>404 Not Found</h1>';
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exit;
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}
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// Define base paths and load classes
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include_once(dirname(dirname(__FILE__)) . "/config/bootstrap.php");
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// Check prerequisites.
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$prerequisites = new Prerequisites();
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$results = $prerequisites->validate();
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if (count($prerequisites->getErrors()) > 0) {
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$prerequisites->generateWebSummary($results);
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exit;
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}
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// Do any necessary database migrations
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$dbMgr = new Database();
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$dbMgr->migrate();
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// Make sure the initial setup is complete
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// unless we're already heading to setup
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//
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// TODO: Consider simplifying this.
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// Might not need the custom exception now that the prereq checker is more robust.
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if (!(preg_match('/setup$/', $path))) {
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try {
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// Make sure setup has been completed
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$dbMgr->confirmSetup();
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} catch (SetupException $e) {
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$e->handle();
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exit;
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}
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}
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// Get a database connection
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// TODO: Change from static function.
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global $db;
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$db = Database::get();
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// Initialize core entities
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// Defining these as globals isn't great practice,
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// but this is a small, single-user app and this data will rarely change.
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global $config;
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global $user;
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$config = ConfigModel::load();
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$user = UserModel::load();
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// Start a session and generate a CSRF Token
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// if there isn't already an active session
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Session::start();
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Session::generateCsrfToken();
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// Remove the base path from the URL
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if (strpos($path, $config->basePath) === 0) {
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$path = substr($path, strlen($config->basePath));
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}
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// strip the trailing slash from the resulting route
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$path = trim($path, '/');
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// if this is a POST and we aren't in setup,
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// make sure there's a valid session
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// if not, redirect to /login or die as appropriate
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if ($method === 'POST' && $path != 'setup') {
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if ($path != 'login'){
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if (!Session::isValid($_POST['csrf_token'])) {
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// Invalid session - redirect to /login
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header('Location: ' . $config->basePath . '/login');
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exit;
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}
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} else {
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if (!Session::isValidCsrfToken($_POST['csrf_token'])) {
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// Just die if the token is invalid on login
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die('Invalid CSRF token');
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exit;
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}
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}
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}
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// Set content type
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header('Content-Type: text/html; charset=utf-8');
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// Render the requested route or throw a 404
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if (!Router::route($path, $method)){
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http_response_code(404);
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echo "404 - Page Not Found";
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exit;
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}
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