mirror of
https://github.com/openvk/openvk
synced 2024-09-22 00:48:25 +03:00
227 lines
9 KiB
PHP
227 lines
9 KiB
PHP
<?php declare(strict_types=1);
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namespace openvk\Web\Presenters;
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use Chandler\Signaling\SignalManager;
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use Chandler\MVC\SimplePresenter;
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use Chandler\Session\Session;
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use Chandler\Security\Authenticator;
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use Latte\Engine as TemplatingEngine;
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use openvk\Web\Models\Entities\IP;
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use openvk\Web\Models\Repositories\{IPs, Users, APITokens};
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abstract class OpenVKPresenter extends SimplePresenter
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{
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protected $banTolerant = false;
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protected $errorTemplate = "@error";
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protected $user = NULL;
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private function calculateQueryString(array $data): string
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{
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$rawUrl = "tcp+stratum://fakeurl.net$_SERVER[REQUEST_URI]"; #HTTP_HOST can be tainted
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$url = (object) parse_url($rawUrl);
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$path = $url->path;
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return "$path?" . http_build_query(array_merge($_GET, $data));
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}
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protected function flash(string $type, string $title, ?string $message = NULL, ?int $code = NULL): void
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{
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Session::i()->set("_error", json_encode([
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"type" => $type,
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"title" => $title,
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"msg" => $message,
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"code" => $code,
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]));
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}
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protected function flashFail(string $type, string $title, ?string $message = NULL, ?int $code = NULL): void
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{
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$this->flash($type, $title, $message, $code);
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$referer = $_SERVER["HTTP_REFERER"] ?? "/";
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header("HTTP/1.1 302 Found");
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header("Location: $referer");
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exit;
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}
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protected function logInUserWithToken(): void
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{
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$header = $_SERVER["HTTP_AUTHORIZATION"] ?? "";
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$token;
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preg_match("%Bearer (.*)$%", $header, $matches);
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$token = $matches[1] ?? "";
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$token = (new APITokens)->getByCode($token);
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if(!$token) {
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header("HTTP/1.1 401 Unauthorized");
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header("Content-Type: application/json");
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exit(json_encode(["error" => "The access token is invalid"]));
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}
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$this->user = (object) [];
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$this->user->identity = $token->getUser();
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$this->user->raw = $this->user->identity->getChandlerUser();
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$this->user->id = $this->user->identity->getId();
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$this->template->thisUser = $this->user->identity;
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$this->template->userTainted = false;
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}
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protected function assertUserLoggedIn(bool $returnUrl = true): void
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{
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if(is_null($this->user)) {
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$loginUrl = "/login";
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if($returnUrl && $_SERVER["REQUEST_METHOD"] === "GET") {
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$currentUrl = function_exists("get_current_url") ? get_current_url() : $_SERVER["REQUEST_URI"];
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$loginUrl .= "?jReturnTo=" . rawurlencode($currentUrl);
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}
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$this->flash("err", "Недостаточно прав", "Чтобы просматривать эту страницу, нужно зайти на сайт.");
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header("HTTP/1.1 302 Found");
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header("Location: $loginUrl");
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exit;
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}
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}
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protected function hasPermission(string $model, string $action, int $context): bool
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{
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if(is_null($this->user)) {
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if($model !== "user") {
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$this->flash("info", "Недостаточно прав", "Чтобы просматривать эту страницу, нужно зайти на сайт.");
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header("HTTP/1.1 302 Found");
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header("Location: /login");
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exit;
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}
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return ($action === "register" || $action === "login");
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}
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return (bool) $this->user->raw->can($action)->model($model)->whichBelongsTo($context === -1 ? null : $context);
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}
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protected function assertPermission(string $model, string $action, int $context, bool $throw = false): void
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{
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if($this->hasPermission($model, $action, $context)) return;
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if($throw)
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throw new SecurityPolicyViolationException("Permission error");
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else
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$this->flashFail("err", "Недостаточно прав", "У вас недостаточно прав чтобы выполнять это действие.");
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}
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protected function assertCaptchaCheckPassed(): void
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{
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if(!check_captcha())
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$this->flashFail("err", "Неправильно введены символы", "Пожалуйста, убедитесь, что вы правильно заполнили поле с капчей.");
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}
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protected function willExecuteWriteAction(): void
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{
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$ip = (new IPs)->get(CONNECTING_IP);
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$res = $ip->rateLimit();
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if(!($res === IP::RL_RESET || $res === IP::RL_CANEXEC)) {
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if($res === IP::RL_BANNED && OPENVK_ROOT_CONF["openvk"]["preferences"]["security"]["rateLimits"]["autoban"]) {
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$this->user->identity->ban("Account has possibly been stolen");
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exit("Хакеры? Интересно...");
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}
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$this->flashFail("err", "Чумба, ты совсем ёбнутый?", "Сходи к мозгоправу, попей колёсики. В OpenVK нельзя вбрасывать щитпосты так часто. Код исключения: $res.");
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}
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}
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protected function signal(object $event): bool
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{
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return (SignalManager::i())->triggerEvent($event, $this->user->id);
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}
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protected function logEvent(string $type, array $data): bool
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{
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$db = eventdb();
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if(!$db)
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return false;
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$data = array_merge([
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"timestamp" => time(),
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"verified" => (int) true,
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], $data);
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$columns = implode(", ", array_map(function($col) {
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return "`" . addslashes($col) . "`";
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}, array_keys($data)));
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$values = implode(", ", array_map(function($val) {
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return "'" . addslashes((string) (int) $val) . "'";
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}, array_values($data)));
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$db->getConnection()->query("INSERT INTO " . $type . "s($columns) VALUES ($values);");
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return true;
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}
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/**
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* @override
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*/
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protected function sendmail(string $to, string $template, array $params = []): void
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{
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parent::sendmail($to, __DIR__ . "/../../Email/$template", $params);
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}
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function getTemplatingEngine(): TemplatingEngine
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{
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$latte = parent::getTemplatingEngine();
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$latte->addFilter("translate", function($s) {
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return tr($s);
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});
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return $latte;
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}
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function onStartup(): void
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{
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$user = Authenticator::i()->getUser();
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$this->template->isXmas = intval(date('d')) >= 15 && date('m') == 12 || intval(date('d')) <= 15 && date('m') == 1 ? true : false;
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if(!is_null($user)) {
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$this->user = (object) [];
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$this->user->raw = $user;
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$this->user->identity = (new Users)->getByChandlerUser($user);
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$this->user->id = $this->user->identity->getId();
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$this->template->thisUser = $this->user->identity;
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$this->template->userTainted = $user->isTainted();
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if($this->user->identity->isBanned() && !$this->banTolerant) {
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header("HTTP/1.1 403 Forbidden");
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$this->getTemplatingEngine()->render(__DIR__ . "/templates/@banned.xml", [
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"thisUser" => $this->user->identity,
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]);
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exit;
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}
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if ($this->user->identity->onlineStatus() == 0) {
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$this->user->identity->setOnline(time());
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$this->user->identity->save();
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}
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}
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setlocale(LC_TIME, ...(explode(";", tr("__locale"))));
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parent::onStartup();
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}
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function onBeforeRender(): void
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{
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parent::onBeforeRender();
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if(!is_null($this->user)) {
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$theme = $this->user->identity->getTheme();
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if(!is_null($theme) && $theme->overridesTemplates()) {
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$this->template->_templatePath = $theme->getBaseDir() . "/tpl";
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}
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}
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if(!is_null(Session::i()->get("_error"))) {
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$this->template->flashMessage = json_decode(Session::i()->get("_error"));
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Session::i()->set("_error", NULL);
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}
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}
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}
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