From 0d51f87c76d0714a6e7002fe8466a33d609cd7c7 Mon Sep 17 00:00:00 2001
From: Elime1 <Elime1@users.noreply.github.com>
Date: Mon, 6 Aug 2018 11:01:52 +0200
Subject: [PATCH] Add OTServers.eu voting (#326)

---
 config.php              | 15 ++++++++-
 layout/aside.php        |  9 +++---
 layout/widgets/vote.php |  9 ++++++
 voting.php              | 69 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 97 insertions(+), 5 deletions(-)
 create mode 100644 layout/widgets/vote.php
 create mode 100644 voting.php

diff --git a/config.php b/config.php
index 7ba8c72..0847b2f 100644
--- a/config.php
+++ b/config.php
@@ -1000,4 +1000,17 @@
 			'points' => 20,
 		),
 	);
-?>
+
+	//////////////////////////
+	/// OTServers.eu voting
+	//
+	// Start by creating an account at OTServers.eu and add your server.
+	// You can find your secret token by logging in on OTServers.eu and go to 'MY SERVER' then 'Encourage players to vote'.
+	$config['otservers_eu_voting'] = [
+		'enabled' => false,
+		'voteUrl' => 'https://api.otservers.eu/vote_link.php',
+		'voteCheckUrl' => 'https://api.otservers.eu/vote_check.php',
+		'secretToken' => '', //Enter your secret token. Do not share with anyone!
+		'landingPage' => '/voting.php?action=reward', //The user will be redirected to this page after voting
+		'points' => '1' //Amount of points to give as reward
+	];
diff --git a/layout/aside.php b/layout/aside.php
index 5a26050..d018098 100644
--- a/layout/aside.php
+++ b/layout/aside.php
@@ -1,11 +1,12 @@
 <div id="sidebar_container">
-	<?php 
+	<?php
 		if (user_logged_in() === true) {
-			include 'layout/widgets/loggedin.php'; 
+			include 'layout/widgets/loggedin.php';
 		} else {
-			include 'layout/widgets/login.php'; 
+			include 'layout/widgets/login.php';
 		}
-		if (user_logged_in() && is_admin($user_data)) include 'layout/widgets/Wadmin.php'; 
+		if (user_logged_in() && is_admin($user_data)) include 'layout/widgets/Wadmin.php';
+		if (user_logged_in()) include 'layout/widgets/vote.php';
 		include 'layout/widgets/charactersearch.php';
 		include 'layout/widgets/topplayers.php';
 		include 'layout/widgets/highscore.php';
diff --git a/layout/widgets/vote.php b/layout/widgets/vote.php
new file mode 100644
index 0000000..e161ab5
--- /dev/null
+++ b/layout/widgets/vote.php
@@ -0,0 +1,9 @@
+<div class="sidebar">
+	<h2>Vote for us!</h2>
+	<div class="inner">
+		<form type="submit" action="voting.php" method="GET">
+			Get points by voting at OTServers.eu
+			<input type="submit" value="Vote">
+		</form>
+	</div>
+</div>
diff --git a/voting.php b/voting.php
new file mode 100644
index 0000000..4234f3b
--- /dev/null
+++ b/voting.php
@@ -0,0 +1,69 @@
+<?php require_once 'engine/init.php';
+protect_page();
+include 'layout/overall/header.php';
+
+$otservers_eu_voting = $config['otservers_eu_voting'];
+
+if ($otservers_eu_voting['enabled']) {
+	$isRewardRequest = isset($_GET['action']) && $_GET['action'] === 'reward';
+
+	if (!$isRewardRequest) {
+		$result = vote($user_data['id'], $otservers_eu_voting);
+		if ($result === false) {
+			echo '<p>Something went wrong! Could not make a vote request.</p>';
+		} else {
+			header('Location: ' . $result['voteLink']);
+			die;
+		}
+	} else {
+		$result = checkHasVoted($user_data['id'], $otservers_eu_voting);
+		if ($result !== false) {
+			if ($result['voted'] === true) {
+				$points = $otservers_eu_voting['points'];
+				$pointsText = $points === '1' ? 'point' : 'points';
+				mysql_update("UPDATE `znote_accounts` SET `points` = `points` + '$points' WHERE `account_id`=" . $user_data['id']);
+				echo "<p>Thank you for voting! You have been rewarded with $points $pointsText!</p>";
+			} else {
+				echo '<p>It does not seem like you have voted.</p>';
+			}
+		} else {
+			echo '<p>Could not verify that you have voted.</p>';
+		}
+	}
+} else {
+	echo '<p>Voting is not enabled.</p>';
+}
+
+include 'layout/overall/footer.php';
+
+function vote($otUserId, $otservers_eu_voting) {
+	$context  = stream_context_create([
+		'http' => [
+			'header'  => "Content-type: application/json",
+			'method'  => 'POST',
+			'content' => json_encode([
+				'otUserId' => $otUserId,
+				'secretToken' => $otservers_eu_voting['secretToken'],
+				'landingPage' => $otservers_eu_voting['landingPage']
+			])
+		]
+	]);
+	$result = file_get_contents($otservers_eu_voting['voteUrl'], false, $context);
+	return $result !== false ? json_decode($result, true) : false;
+}
+
+function checkHasVoted($otUserId, $otservers_eu_voting) {
+	$context  = stream_context_create([
+		'http' => [
+			'header'  => "Content-type: application/json",
+			'method'  => 'POST',
+			'content' => json_encode([
+				'otUserId' => $otUserId,
+				'secretToken' => $otservers_eu_voting['secretToken'],
+				'consume' => true
+			])
+		]
+	]);
+	$result = file_get_contents($otservers_eu_voting['voteCheckUrl'], false, $context);
+	return $result !== false ? json_decode($result, true) : false;
+}