159 lines
4 KiB
PHP
159 lines
4 KiB
PHP
<?php
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/**
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* Holds the premium pages controllers.
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* @package Sakura
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*/
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namespace Sakura\Controllers;
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use Exception;
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use Phroute\Phroute\Exception\HttpMethodNotAllowedException;
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use Sakura\Config;
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use Sakura\CurrentSession;
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use Sakura\Payments;
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/**
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* Premium pages controller.
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* @package Sakura
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* @author Julian van de Groep <me@flash.moe>
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*/
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class PremiumController extends Controller
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{
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/**
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* The amount of premium a user received per period.
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*/
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private const PERIOD_PER_PAYMENT = 2628000;
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/**
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* Constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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Payments::init();
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}
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/**
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* Returns the premium purchase index.
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* @return string
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*/
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public function index(): string
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{
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$price = config('premium.price_per_month');
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$amountLimit = config('premium.max_months_at_once');
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return view('premium/index', compact('price', 'amountLimit'));
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}
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/**
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* Handles a purchase request.
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* @return string
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*/
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public function purchase(): string
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{
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// Get values from post
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$months = $_POST['months'] ?? 0;
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// Check if the session is valid
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if (!session_check() || !CurrentSession::$user->activated || CurrentSession::$user->restricted) {
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throw new HttpMethodNotAllowedException;
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}
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// Fetch the limit
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$amountLimit = config('premium.max_months_at_once');
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// Check months
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if ($months < 1
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|| $months > $amountLimit) {
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return redirect(route('premium.error'));
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}
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$pricePerMonth = config('premium.price_per_month');
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$total = number_format($pricePerMonth * $months, 2, '.', '');
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$siteName = config('general.name');
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$multiMonths = $months !== 1 ? 's' : '';
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$siteUrl = 'http'
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. (isset($_SERVER['HTTPS']) ? 's' : '')
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. "://{$_SERVER['SERVER_NAME']}"
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. ($_SERVER['SERVER_PORT'] != 80 ? ":{$_SERVER['SERVER_PORT']}" : '');
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$handlerRoute = route('premium.handle');
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$itemName = "{$siteName} Premium - {$months} month{$multiMonths}";
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$transactionName = "{$siteName} premium purchase";
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$handlerUrl = "{$siteUrl}{$handlerRoute}";
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// Create the transaction
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$transaction = Payments::createTransaction(
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$total,
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$itemName,
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$transactionName,
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$handlerUrl
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);
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// Attempt to create a transaction
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if (!$transaction) {
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return redirect(route('premium.error'));
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}
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// Store the amount of months in the global session array
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$_SESSION['premiumMonths'] = (int) $months;
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return redirect($transaction);
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}
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/**
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* Handles the data returned by PayPal.
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* @return string
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*/
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public function handle(): string
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{
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$success = isset($_GET['success']);
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$payment = $_GET['paymentId'] ?? null;
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$payer = $_GET['PayerID'] ?? null;
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$months = $_SESSION['premiumMonths'] ?? null;
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$successRoute = route('premium.complete');
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$failRoute = route('premium.error');
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if (!$success
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|| !$payment
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|| !$payer
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|| !$months) {
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return redirect($failRoute);
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}
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// Attempt to complete the transaction
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try {
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$finalise = Payments::completeTransaction($_GET['paymentId'], $_GET['PayerID']);
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} catch (Exception $e) {
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$finalise = false;
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}
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if (!$finalise) {
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return redirect($failRoute);
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}
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CurrentSession::$user->addPremium(self::PERIOD_PER_PAYMENT * $months);
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return redirect($successRoute);
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}
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/**
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* Presents the user with a thank you <3.
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* @return string
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*/
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public function complete(): string
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{
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return view('premium/complete');
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}
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/**
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* Errors.
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* @return string
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*/
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public function error(): string
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{
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return view('premium/error');
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}
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}
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