openvk/Web/Presenters/OpenVKPresenter.php

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2020-06-07 19:04:43 +03:00
<?php declare(strict_types=1);
namespace openvk\Web\Presenters;
use Chandler\Signaling\SignalManager;
use Chandler\MVC\SimplePresenter;
use Chandler\Session\Session;
use Chandler\Security\Authenticator;
use Latte\Engine as TemplatingEngine;
use openvk\Web\Models\Entities\IP;
use openvk\Web\Themes\Themepacks;
use openvk\Web\Models\Repositories\{IPs, Users, APITokens, Tickets};
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abstract class OpenVKPresenter extends SimplePresenter
{
protected $banTolerant = false;
protected $errorTemplate = "@error";
protected $user = NULL;
private function calculateQueryString(array $data): string
{
$rawUrl = "tcp+stratum://fakeurl.net$_SERVER[REQUEST_URI]"; #HTTP_HOST can be tainted
$url = (object) parse_url($rawUrl);
$path = $url->path;
return "$path?" . http_build_query(array_merge($_GET, $data));
}
protected function flash(string $type, string $title, ?string $message = NULL, ?int $code = NULL): void
{
Session::i()->set("_error", json_encode([
"type" => $type,
"title" => $title,
"msg" => $message,
"code" => $code,
]));
}
protected function setTempTheme(string $theme): void
{
Session::i()->set("_tempTheme", $theme);
}
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protected function flashFail(string $type, string $title, ?string $message = NULL, ?int $code = NULL, bool $json = false): void
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{
if($json) {
$this->returnJson([
"success" => $type !== "err",
"flash" => [
"type" => $type,
"title" => $title,
"message" => $message,
"code" => $code,
],
]);
} else {
$this->flash($type, $title, $message, $code);
$referer = $_SERVER["HTTP_REFERER"] ?? "/";
header("HTTP/1.1 302 Found");
header("Location: $referer");
exit;
}
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}
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protected function logInUserWithToken(): void
{
$header = $_SERVER["HTTP_AUTHORIZATION"] ?? "";
$token;
preg_match("%Bearer (.*)$%", $header, $matches);
$token = $matches[1] ?? "";
$token = (new APITokens)->getByCode($token);
if(!$token) {
header("HTTP/1.1 401 Unauthorized");
header("Content-Type: application/json");
exit(json_encode(["error" => "The access token is invalid"]));
}
$this->user = (object) [];
$this->user->identity = $token->getUser();
$this->user->raw = $this->user->identity->getChandlerUser();
$this->user->id = $this->user->identity->getId();
$this->template->thisUser = $this->user->identity;
$this->template->userTainted = false;
}
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protected function assertUserLoggedIn(bool $returnUrl = true): void
{
if(is_null($this->user)) {
$loginUrl = "/login";
if($returnUrl && $_SERVER["REQUEST_METHOD"] === "GET") {
$currentUrl = function_exists("get_current_url") ? get_current_url() : $_SERVER["REQUEST_URI"];
$loginUrl .= "?jReturnTo=" . rawurlencode($currentUrl);
}
$this->flash("err", tr("login_required_error"), tr("login_required_error_comment"));
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header("HTTP/1.1 302 Found");
header("Location: $loginUrl");
exit;
}
}
protected function hasPermission(string $model, string $action, int $context): bool
{
if(is_null($this->user)) {
if($model !== "user") {
$this->flash("info", tr("login_required_error"), tr("login_required_error_comment"));
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header("HTTP/1.1 302 Found");
header("Location: /login");
exit;
}
return ($action === "register" || $action === "login");
}
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return (bool) $this->user->raw->can($action)->model($model)->whichBelongsTo($context === -1 ? null : $context);
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}
protected function assertPermission(string $model, string $action, int $context, bool $throw = false): void
{
if($this->hasPermission($model, $action, $context)) return;
if($throw)
throw new SecurityPolicyViolationException("Permission error");
else
$this->flashFail("err", tr("not_enough_permissions"), tr("not_enough_permissions_comment"));
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}
protected function assertCaptchaCheckPassed(): void
{
if(!check_captcha())
$this->flashFail("err", tr("captcha_error"), tr("captcha_error_comment"));
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}
protected function willExecuteWriteAction(bool $json = false): void
{
$ip = (new IPs)->get(CONNECTING_IP);
$res = $ip->rateLimit();
if(!($res === IP::RL_RESET || $res === IP::RL_CANEXEC)) {
if($res === IP::RL_BANNED && OPENVK_ROOT_CONF["openvk"]["preferences"]["security"]["rateLimits"]["autoban"]) {
$this->user->identity->ban("Account has possibly been stolen");
exit("Хакеры? Интересно...");
}
$this->flashFail("err", tr("rate_limit_error"), tr("rate_limit_error_comment", OPENVK_ROOT_CONF["openvk"]["appearance"]["name"], $res), NULL, $json);
}
}
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protected function signal(object $event): bool
{
return (SignalManager::i())->triggerEvent($event, $this->user->id);
}
protected function logEvent(string $type, array $data): bool
{
$db = eventdb();
if(!$db)
return false;
$data = array_merge([
"timestamp" => time(),
"verified" => (int) true,
], $data);
$columns = implode(", ", array_map(function($col) {
return "`" . addslashes($col) . "`";
}, array_keys($data)));
$values = implode(", ", array_map(function($val) {
return "'" . addslashes((string) (int) $val) . "'";
}, array_values($data)));
$db->getConnection()->query("INSERT INTO " . $type . "s($columns) VALUES ($values);");
return true;
}
/**
* @override
*/
protected function sendmail(string $to, string $template, array $params = []): void
{
parent::sendmail($to, __DIR__ . "/../../Email/$template", $params);
}
function getTemplatingEngine(): TemplatingEngine
{
$latte = parent::getTemplatingEngine();
$latte->addFilter("translate", function($s) {
return tr($s);
});
return $latte;
}
function onStartup(): void
{
$user = Authenticator::i()->getUser();
$this->template->isXmas = intval(date('d')) >= 1 && date('m') == 12 || intval(date('d')) <= 15 && date('m') == 1 ? true : false;
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if(!is_null($user)) {
$this->user = (object) [];
$this->user->raw = $user;
$this->user->identity = (new Users)->getByChandlerUser($user);
$this->user->id = $this->user->identity->getId();
$this->template->thisUser = $this->user->identity;
$this->template->userTainted = $user->isTainted();
if($this->user->identity->isBanned() && !$this->banTolerant) {
header("HTTP/1.1 403 Forbidden");
$this->getTemplatingEngine()->render(__DIR__ . "/templates/@banned.xml", [
"thisUser" => $this->user->identity,
"csrfToken" => $GLOBALS["csrfToken"],
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]);
exit;
}
if ($this->user->identity->onlineStatus() == 0) {
$this->user->identity->setOnline(time());
$this->user->identity->save();
}
$this->template->ticketAnsweredCount = (new Tickets)->getTicketsCountByuId($this->user->id, 1);
if($user->can("write")->model("openvk\Web\Models\Entities\TicketReply")->whichBelongsTo(0))
$this->template->helpdeskTicketNotAnsweredCount = (new Tickets)->getTicketCount(0);
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}
setlocale(LC_TIME, ...(explode(";", tr("__locale"))));
parent::onStartup();
}
function onBeforeRender(): void
{
parent::onBeforeRender();
$theme = NULL;
if(Session::i()->get("_tempTheme")) {
$theme = Themepacks::i()[Session::i()->get("_tempTheme", "ovk")];
Session::i()->set("_tempTheme", NULL);
} else if($this->requestParam("themePreview")) {
$theme = Themepacks::i()[$this->requestParam("themePreview")];
} else if($this->user->identity !== null && $this->user->identity->getTheme()) {
$theme = $this->user->identity->getTheme();
}
$this->template->theme = $theme;
if(!is_null($theme) && $theme->overridesTemplates())
$this->template->_templatePath = $theme->getBaseDir() . "/tpl";
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if(!is_null(Session::i()->get("_error"))) {
$this->template->flashMessage = json_decode(Session::i()->get("_error"));
Session::i()->set("_error", NULL);
}
}
protected function returnJson(array $json): void
{
$payload = json_encode($json);
$size = strlen($payload);
header("Content-Type: application/json");
header("Content-Length: $size");
exit($payload);
}
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}