Added docker & sqlite support

Dockerfile

+FROM docker.io/bravecheng/php-nginx-sqlite:latest
+
+USER nobody
+RUN mkdir -p /var/www/html/inc/config
+RUN chown nobody:nobody /var/www/html/inc/config
+VOLUME /var/www/html/inc/config
+
+USER root
+WORKDIR /var/www
+COPY cli cli
+COPY web html
+
+USER nobody

web/admin/checkin.php

 	MIN(username) as `username`,
 	group_concat(proxy.voting_id) as `proxies`,
 	MIN(upstream_proxy.delegate_id) as `delegate`,
-	md5(coalesce(MIN(email), "")) as `gravatar_hash`
+	coalesce(MIN(email), "") as `gravatar_email`
 from members
 	left join proxy on (members.voting_id=proxy.delegate_id)
 	left join proxy as upstream_proxy on (upstream_proxy.voting_id=members.voting_id)
 where members.voting_id is not null
 group by members.voting_id
 UNION
-select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, md5(coalesce(email, "")) as `gravatar_hash`
+select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, coalesce(email, "") as `gravatar_email`
 from members where members.voting_id is null');
+
+get_gravatar_assoc($voters);
 ?>
 <script type="text/javascript">
 var voters = <?= json_encode($voters); ?>;

web/admin/paper.php

 
 	if (empty($error)) {
 		$result = $db->query("INSERT INTO votes (candidate_id, position, member_id, vote_type, submitter_id) SELECT $candidate_selected, \"$ballot\", $voter_selected, 'IN PERSON', $voter_selected UNION SELECT $candidate_selected, \"$ballot\", voting_id, 'PROXY IN PERSON', delegate_id from proxy where delegate_id=$voter_selected");
-		$candidate = $db->fetchRow('select skymanager_id, name, username, md5(coalesce(email, "")) as `gravatar_hash` from members where skymanager_id=' . $candidate_selected);
+		$candidate = $db->fetchRow('select skymanager_id, name, username, coalesce(email, "") as `gravatar_email` from members where skymanager_id=' . $candidate_selected);
 
 		if ($result) {
 			$proxy_votes = $db->fetchAssoc("SELECT member_id, submitter_id from votes where submitter_id=$voter_selected and position=\"$ballot\"");
 $header->setAttribute('tagline', 'Election Poll Worker Tools');
 $header->output();
 
-$candidates = $db->fetchAssoc('select skymanager_id, name, username, md5(coalesce(email, "")) as `gravatar_hash` from members where voting_id is not null');
-$voters = $db->fetchAssoc('select MIN(skymanager_id) as `skymanager_id`, MIN(members.voting_id) as `voting_id`, MIN(name) as `name`, MIN(username) as `username`, group_concat(proxy.voting_id) as `proxies`, MIN(upstream_proxy.delegate_id) as `delegate`, md5(coalesce(MIN(email), "")) as `gravatar_hash` from members left join proxy on (members.voting_id=proxy.delegate_id) left join proxy as upstream_proxy on (upstream_proxy.voting_id=members.voting_id) where members.voting_id is not null group by members.voting_id UNION select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, md5(coalesce(email, "")) as `gravatar_hash` from members where members.voting_id is null');
+$candidates = $db->fetchAssoc('select skymanager_id, name, username, coalesce(email, "") as `gravatar_email` from members where voting_id is not null');
+$voters = $db->fetchAssoc('select MIN(skymanager_id) as `skymanager_id`, MIN(members.voting_id) as `voting_id`, MIN(name) as `name`, MIN(username) as `username`, group_concat(proxy.voting_id) as `proxies`, MIN(upstream_proxy.delegate_id) as `delegate`, coalesce(MIN(email), "") as `gravatar_email` from members left join proxy on (members.voting_id=proxy.delegate_id) left join proxy as upstream_proxy on (upstream_proxy.voting_id=members.voting_id) where members.voting_id is not null group by members.voting_id UNION select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, coalesce(email, "") as `gravatar_email` from members where members.voting_id is null');
+
+get_gravatar_assoc($candidates);
+get_gravatar_assoc($voters);
 ?>
 <script type="text/javascript">
 var voters = <?= json_encode($voters); ?>;
 		<h4 class="section-heading">Candidate</h4>
 		<div id="vote-profile" class="candidate">
 			<div class="profile-icon">
-				<img src="https://www.gravatar.com/avatar/<?= $candidate['gravatar_hash']; ?>.png?d=mp&s=64" />
+				<img src="https://www.gravatar.com/avatar/<?= md5($candidate['gravatar_email']); ?>.png?d=mp&s=64" />
 			</div>
 			<div class="profile">
 				<h2 class="profile-name"><?= $candidate['name']; ?></h2>

web/admin/voting.php

 function loadVoters() {
 	global $db;
 
-	return $db->fetchAssoc('
+	$voters = $db->fetchAssoc('
 	select
 		MIN(skymanager_id) as `skymanager_id`,
 		MIN(members.voting_id) as `voting_id`,
 		MIN(username) as `username`,
 		group_concat(proxy.voting_id) as `proxies`,
 		MIN(upstream_proxy.delegate_id) as `delegate`,
-		md5(coalesce(MIN(email), "")) as `gravatar_hash`
+		coalesce(MIN(email), "") as `gravatar_email`
 	from members
 		left join proxy on (members.voting_id=proxy.delegate_id)
 		left join proxy as upstream_proxy on (upstream_proxy.voting_id=members.voting_id)
 	where members.voting_id is not null
 	group by members.voting_id
 	UNION
-	select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, md5(coalesce(email, "")) as `gravatar_hash`
+	select skymanager_id, voting_id, name, username, NULL as `proxies`, NULL as `delegate`, coalesce(email, "") as `gravatar_email`
 	from members where members.voting_id is null');
+
+	get_gravatar_assoc($voters);
+	return $voters;
 }
 
 $result = null;
 			$error = "Created position " . htmlspecialchars($desc);
 	}
 } else if (!empty($_POST['setActive']) || !empty($_POST['deactivate'])) {
-	$positions = loadPositions();
-
-	$position = $_POST['ballot'];
-	if (!array_key_exists($position, $positions)) $error = "That position does not exist";
-	if (!empty($_POST['deactivate']))
-		$position='';
-		
-
-	if (empty($error)) {
-		$result = $db->query('UPDATE positions set active=(position="' . $db->sanitize($position) . '")');
-		if ($result === false)
-			$error = "Failed to set active position";
-		else if (empty($position))
-			$error = "Deactivated voting form";
-		else
-			$error = "Set " . htmlspecialchars($positions[$_POST['ballot']]['label']) . " as active.";
+	if (!array_key_exists('ballot', $_POST)) {
+		$error = "No position selected";
+	} else {
+		$positions = loadPositions();
+
+		$position = $_POST['ballot'];
+		if (!array_key_exists($position, $positions)) $error = "That position does not exist";
+		if (!empty($_POST['deactivate']))
+			$position='';
+
+
+		if (empty($error)) {
+			$result = $db->query('UPDATE positions set active=(position="' . $db->sanitize($position) . '")');
+			if ($result === false)
+				$error = "Failed to set active position";
+			else if (empty($position))
+				$error = "Deactivated voting form";
+			else
+				$error = "Set " . htmlspecialchars($positions[$_POST['ballot']]['label']) . " as active.";
+		}
 	}
 } else if (!empty($_POST['remove'])) {
-	$positions = loadPositions();
-
-	if (!array_key_exists($_POST['ballot'], $positions)) $error = "That position does not exist";
-
-	if (empty($error)) {
-		$result = $db->query('DELETE FROM positions WHERE position="' . $db->sanitize($_POST['ballot']) . '"');
-		if ($result === false)
-			$error = "Failed to remove position";
-		else
-			$error = "Removed " . htmlspecialchars($positions[$_POST['ballot']]['label']) . " and discarded cast ballots.";
+	if (!array_key_exists('ballot', $_POST)) {
+		$error = "No position selected";
+	} else {
+		$positions = loadPositions();
+
+		if (!array_key_exists($_POST['ballot'], $positions)) $error = "That position does not exist";
+
+		if (empty($error)) {
+			$result = $db->query('DELETE FROM positions WHERE position="' . $db->sanitize($_POST['ballot']) . '"');
+			if ($result === false)
+				$error = "Failed to remove position";
+			else
+				$error = "Removed " . htmlspecialchars($positions[$_POST['ballot']]['label']) . " and discarded cast ballots.";
+		}
 	}
 } else if (!empty($_POST['force'])) {
 	$voters = loadVoters();

web/configure.php

 require_once(BASE . '/inc/db.php');
 require_once(BASE . '/inc/user.php');
 
-$required = ['db-host', 'db-username', 'db-password', 'db-database', 'flyers-user', 'flyers-password'];
+$fieldNames = ['db-type', 'db-host', 'db-username', 'db-password', 'db-database', 'flyers-user', 'flyers-password'];
 
 function test_config($params) {
-	global $required, $db, $user;
+	global $fieldNames, $db, $user;
 
-	if (!empty($params) && count($params) != count($required))
-		return "All fields are required";
 
-	mysqli_report(MYSQLI_REPORT_OFF);
-	$mysql = mysqli_connect($params['db-host'], $params['db-username'], $params['db-password']);
-	if (!$mysql)
-		return "Unable to connect to the database.";
+	$config = [
+		"type" => $params['db-type']
+	];
 
-	mysqli_select_db($mysql, $params['db-database']);
-	if (mysqli_error($mysql))
-		return "Unable to access database '" . htmlspecialchars($params['db-database']) . "': " . mysqli_error($mysql);
+	if (empty($params['flyers-user']) || empty($params['flyers-password']))
+		return "All fields are required";
 
-	mysqli_multi_query($mysql, "
+	switch ($params['db-type']) {
+		case "mysql":
+			if (!empty($params) && count($params) != count($fieldNames))
+				return "All fields are required";
+			
+			$config += [
+				'host' => $params['db-host'],
+				'user' => $params['db-username'],
+				'pass' => $params['db-password'],
+				'db'   => $params['db-database']
+			];
+
+			$db = MysqlDb::Connect($config->host, $config->user, $config->pass, $config->db);
+			break;
+		case "sqlite":
+			$db = SqliteDb::Connect();
+			break;
+		default:
+			return "Invalid Database Type";
+	}
+
+	$success = $db->exec_multi("
 CREATE TABLE IF NOT EXISTS `members` (
 	`skymanager_id` integer NOT NULL PRIMARY KEY,
 	`name` varchar(128) NOT NULL,
 	`candidate_id` integer NOT NULL,
 	`position` varchar(64) NOT NULL,
 	`member_id` integer NOT NULL,
-	`vote_type` enum('IN PERSON','ONLINE','PROXY IN PERSON','PROXY ONLINE','UNANIMOUS') NOT NULL DEFAULT 'ONLINE',
+--	`vote_type` enum('IN PERSON','ONLINE','PROXY IN PERSON','PROXY ONLINE','UNANIMOUS') NOT NULL DEFAULT 'ONLINE',
+	`vote_type` varchar(24) NOT NULL DEFAULT 'ONLINE',
 	`submitted_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
 	`submitter_id` integer NOT NULL,
 	PRIMARY KEY (`position`,`member_id`),
 	FOREIGN KEY (`position`) REFERENCES `positions` (`position`) ON DELETE CASCADE)
 ");
+	if (!$success)
+		return "Failed to set up database schema: " . $db->getError();
 
-	do {
-		if (mysqli_error($mysql))
-			return "Unable to set up tables: " . mysqli_error($mysql);
-	} while (mysqli_next_result($mysql) || mysqli_error($mysql));
-
-	$db = DBHandler::wrap($mysql);
 	$success = $user->login($params['flyers-user'], $params['flyers-password']);
 	if (!$success)
 		return "Login Failed";
 
 	$db->query("UPDATE members SET `pollworker`=TRUE where skymanager_id=" . ((int) $user->getUserId()));
-	if ($db->getError())
-		return "Failed to update user permissions";
+	if ($err = $db->getError())
+		return "Failed to update user permissions: $err";
 
-	$conf = json_encode([
-		'host' => $params['db-host'],
-		'user' => $params['db-username'],
-		'pass' => $params['db-password'],
-		'db'   => $params['db-database']
-	], JSON_PRETTY_PRINT);
+	$conf = "";
+	$conf = json_encode($config, JSON_PRETTY_PRINT);
 
 	
-	if (file_put_contents(BASE . "/inc/config.json", $conf) === false)
+	if (file_put_contents(BASE . "/inc/config/config.json", $conf) === false)
 		return "Failed to write configuration.";
 
 	return false;
 }
 
 $params = [];
-foreach ($required as $field) {
+foreach ($fieldNames as $field) {
 	if (array_key_exists($field, $_POST) && !empty($_POST[$field]))
 		$params[$field] = $_POST[$field];
 }
 	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
 	<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@400;600;800&display=swap" />
 	<link rel="stylesheet" type="text/css" href="/styles/style.css" />
+	<style type="text/css">
+form input#db-sqlite:checked~.form-row label[for="db-sqlite"] .radio-button-label,
+form input#db-mysql:checked~.form-row label[for="db-mysql"] .radio-button-label {
+	background-color: #000;
+	color: #fff;
+	border: 2px solid #fff;
+	box-shadow: 0px 0px 0px 2px #000;
+}
+
+form .form-row.conditional { display: none; }
+form input#db-mysql:checked~.form-row.mysql { display: block; }
+
+	</style>
 </head>
 <body>
 	<div id="container">
 				<?php if(!empty($error)) echo "<span class=\"errormessage\">$error</span>"; ?>
 				<form action="configure.php" method="POST">
 					<div class="form-section">
+						<input type="radio" id="db-sqlite" name="db-type" value="sqlite" checked />
+						<input type="radio" id="db-mysql" name="db-type" value="mysql" />
 						<h3>Database Setup</h3>
 						<div class="form-row">
+							<div class="selector">
+								<label class="radio" for="db-sqlite">
+									<span class="radio-button-label">SQLite</span>
+								</label>
+								<label class="radio" for="db-mysql">
+									<span class="radio-button-label">MySQL</span>
+								</label>
+							</div>
+						</div>
+						<div class="form-row conditional mysql">
 							<label for="db-host">Host</label>
 							<input type="text" id="db-host" name="db-host" value="localhost" />
 						</div>
-						<div class="form-row">
+						<div class="form-row conditional mysql">
+							<label for="db-host">Host</label>
+							<input type="text" id="db-host" name="db-host" value="localhost" />
+						</div>
+						<div class="form-row conditional mysql">
 							<label for="db-database">Database Name</label>
 							<input type="text" id="db-database" name="db-database" />
 						</div>
-						<div class="form-row">
+						<div class="form-row conditional mysql">
 							<label for="db-username">Username</label>
 							<input type="text" id="db-username" name="db-username" />
 						</div>
-						<div class="form-row">
+						<div class="form-row conditional mysql">
 							<label for="db-password">Password</label>
 							<input type="password" id="db-password" name="db-password" />
 						</div>

web/inc/db.php

 <?php
-class DBHandler{
+class MysqlDb {
 	private $mysql;
 
 	private function __construct() {}
 
 	public static function Connect($hostname, $username, $password, $database){
-		$handler = new DBHandler();
+		$handler = new MysqlDb();
 
+		mysqli_report(MYSQLI_REPORT_OFF);
 		$handler->mysql = mysqli_connect($hostname, $username, $password);
-		if(!$handler->mysql) die("MySql error: " . mysql_error());
+		if(!$handler->mysql) return false;
 
 		mysqli_select_db($handler->mysql, $database);
-		return $handler;
-	}
+		if (mysqli_error($handler->mysql))
+			return false;
 
-	public static function Wrap($mysql) {
-		$handler = new DBHandler();
-		$handler->mysql = $mysql;
 		return $handler;
 	}
 
 		}
 	}
 
+	public function insert($table, $fields, $values_assoc, $ignore = false) {
+		$field_list = implode(",", $fields);
+		$values_arr = [];
+		foreach ($values_assoc as $value) {
+			$value_arr = [];
+			foreach ($value as $v) {
+				if ($this->verifyInteger($v))
+					$value_arr[] = $v;
+				else if ($v === "NULL")
+					$value_arr[] = "NULL";
+				else
+					$value_arr[] = "\"{$this->sanitize($v)}\"";
+			}
+
+			$values_arr[] = "(" . implode(',', $value_arr) . ")";
+		}
+		
+		$values_list = implode(',', $values_arr);
+
+		$ignore_str = '';
+		if ($ignore)
+			$ignore_str = 'IGNORE';
+
+		return $this->query("INSERT $ignore_str INTO $table ($field_list) VALUES $values_list");
+	}
+
+	public function exec_multi($query){
+		try {
+			$res = mysqli_multi_query($this->mysql, $query);
+			do {
+				if ($err = $this->getError())
+					return false;
+			} while (mysqli_next_result($this->mysqli) || $this->getError());
+			return true;
+		} catch (Throwable $err) {
+			return false;
+		}
+	}
+
 	public function fetchRow($query){
 		$result = $this->query($query);
 		if($result === false || $result === true) die(mysqli_error($this->mysql));//return $result;
 		return mysqli_error($this->mysql);
 	}
 
-	public function lastInsertId(){
-		return mysqli_insert_id($this->mysql);
+	//public function lastInsertId(){
+	//	return mysqli_insert_id($this->mysql);
+	//}
+
+	//public function getAffectedRows() {
+	//	return mysqli_affected_rows($this->mysql);
+	//}
+
+	public function verifyInteger($input, $minimum = 1){
+		/*
+		 * Pretty hacky solution.
+		 *
+		 * First checks if the integer cast of the input is equal to itself.
+		 *     This filters out decimals, alternate bases, and exponents.
+		 * Then checks if the input is numeric, which filters out other strings that slip by the first check.
+		 *     This guarantees that it's in a numeric format, which combined with the first filter, should guarantee that it is an integer
+		 */
+		return (((int) $input == $input) && is_numeric($input) && (($minimum === false) || (int) $input >= $minimum));
+	}
+
+	// Always returns a key of length 40. TODO: Add arbitrary length
+	public function randomKey(){
+		//Cryptographically Secure Key
+		if(function_exists('openssl_random_pseudo_bytes')) return base64_encode(openssl_random_pseudo_bytes(30));
+
+
+		//Fallback (Not cryptographically secure)
+		$str = "";
+		for($i=0; $i<30; $i++){
+			$str .= chr(mt_rand(0,255));
+		}
+
+		return base64_encode($str);
+	}
+}
+
+class SqliteDb {
+	private $sqlite;
+
+	private function __construct() {}
+
+	public static function Connect(){
+		$handler = new SqliteDb();
+		$handler->sqlite = new Sqlite3(BASE . "/inc/config/sqlite3.db");
+		$handler->sqlite->exec('PRAGMA foreign_keys = ON');
+
+		return $handler;
+	}
+
+	public function sanitize($text){
+		return SQLite3::escapeString($text);
+	}
+
+	public function query($query){
+		try {
+			return $this->sqlite->query($query);
+		} catch (Throwable $err) {
+			return false;
+		}
+	}
+
+	public function insert($table, $fields, $values_assoc, $ignore = false) {
+		$field_list = implode(",", $fields);
+		$values_arr = [];
+		foreach ($values_assoc as $value) {
+			$value_arr = [];
+			foreach ($value as $v) {
+				if ($this->verifyInteger($v))
+					$value_arr[] = $v;
+				else if ($v === "NULL")
+					$value_arr[] = "NULL";
+				else
+					$value_arr[] = "\"{$this->sanitize($v)}\"";
+			}
+
+			$values_arr[] = "(" . implode(',', $value_arr) . ")";
+		}
+		
+		$values_list = implode(',', $values_arr);
+
+		$ignore_str = '';
+		if ($ignore)
+			$ignore_str = 'OR IGNORE';
+
+		return $this->query("INSERT $ignore_str INTO $table ($field_list) VALUES $values_list");
+	}
+
+	public function exec_multi($query){
+		try {
+			return $this->sqlite->exec($query);
+		} catch (Throwable $err) {
+			return false;
+		}
+	}
+
+	public function fetchRow($query){
+		$result = $this->query($query);
+		if ($result === false || $result === true)
+			return $result;
+
+		return $result->fetchArray();
+	}
+
+	public function fetchAssoc($query){
+		$result = $this->query($query);
+		if($result === false || $result === true) die($this->getError());//return $result;
+
+		$data = array();
+		while($row = $result->fetchArray()){
+			$data[] = $row;
+		}
+
+		return $data;
 	}
 
-	public function getAffectedRows() {
-		return mysqli_affected_rows($this->mysql);
+	public function getError() {
+		return $this->sqlite->lastErrorCode() === 0 ? "" : $this->sqlite->lastErrorMsg();
 	}
 
+	//public function lastInsertId(){
+	//	return mysqli_insert_id($this->mysql);
+	//}
+
+	//public function getAffectedRows() {
+	//	return mysqli_affected_rows($this->mysql);
+	//}
+
 	public function verifyInteger($input, $minimum = 1){
 		/*
 		 * Pretty hacky solution.

web/inc/inc.php

 define('BASE', dirname(__DIR__));
 define('BASEURL', $_SERVER['SERVER_NAME']);
 
-$config = json_decode(file_get_contents(BASE . "/inc/config.json"));
+$config = json_decode(file_get_contents(BASE . "/inc/config/config.json"));
 if (empty($config)) {
 	header('Location: /configure.php');
 	die();
 // Database and Authentication
 require_once(BASE . '/inc/db.php');
 
-$db = DBHandler::Connect($config->host, $config->user, $config->pass, $config->db);
+if ($config->type == "mysql")
+	$db = MysqlDb::Connect($config->host, $config->user, $config->pass, $config->db);
+else
+	$db = SqliteDb::Connect();
 
 require_once(BASE . '/inc/user.php');
+require_once(BASE . '/inc/misc.php');
 
 // Templates
 require_once(BASE . '/templates/header.php');

web/inc/misc.php

+<?php
+function get_gravatar_assoc(&$results) {
+	foreach ($results as &$result) {
+		$result['gravatar_hash'] = md5($result['gravatar_email']);
+		unset($result['gravatar_email']);
+	}
+}
+

web/inc/user.php

 		$this->loggedin = true;
 
 		// Create user automatically on login
-		$_ = $db->query('insert ignore into members (skymanager_id, name, username, email) VALUES (' . ((int) $this->uid) . ', "' . $db->sanitize($this->name) . '", "' . $db->sanitize($this->username) . '", ' . (empty($this->email) ? 'NULL' : '"' . $db->sanitize($this->email) . '"') . ')');
+		//$_ = $db->query('insert into members (skymanager_id, name, username, email) VALUES (' . ((int) $this->uid) . ', "' . $db->sanitize($this->name) . '", "' . $db->sanitize($this->username) . '", ' . (empty($this->email) ? 'NULL' : '"' . $db->sanitize($this->email) . '"') . ') ON DUPLICATE KEY UPDATE skymanager_id=skymanager_id');
+		$_ = $db->insert('members', ['skymanager_id', 'name', 'username', 'email'], [[((int) $this->uid), $this->name, $this->username, (empty($this->email) ? 'NULL' : $this->email)]], true);
 
 		// Get voter ID
 		$result = $db->fetchRow('select members.voting_id from members left join proxy on (members.voting_id=proxy.voting_id) where proxy.delegate_id is null and skymanager_id=' . ((int) $this->uid));

web/index.php

 $header->setAttribute('tagline', 'Online Ballot');
 $header->output();
 
-$candidates = $db->fetchAssoc('select skymanager_id, name, username, md5(coalesce(email, "")) as `gravatar_hash` from members where voting_id is not null');
+$candidates = $db->fetchAssoc('select skymanager_id, name, username, coalesce(email, "") as `gravatar_email` from members where voting_id is not null');
 $votes = $db->fetchAssoc("select position from votes where member_id={$user->voterId()}");
 $position = $db->fetchRow("select position as code, description as label from positions where active<>0 limit 1");
 
+get_gravatar_assoc($candidates);
+
 foreach ($votes as &$vote) {
 	$vote = $vote['position'];
 }

web/styles/style.css

 	flex-grow: 1;
 }
 
-form label.radio input {
+form label.radio input, form input[type=radio] {
 	display: none;
 }
 
 	border-radius: 10px;
 }
 
-form label.radio input:checked+.radio-button-label {
+form label.radio input:checked+.radio-button-label, form input:checked+label.radio .radio-button-label {
 	background-color: #000;
 	color: #fff;
 	border: 2px solid #fff;

web/vote.php

 	try {
 		$result = $db->query("INSERT INTO votes (candidate_id, position, member_id, vote_type, submitter_id) SELECT $candidate_selected, \"$ballot\", {$user->voterId()}, 'ONLINE', {$user->voterId()} UNION SELECT $candidate_selected, \"$ballot\", voting_id, 'PROXY ONLINE', delegate_id from proxy where delegate_id={$user->voterId()}");
 	} catch (Throwable $ignore) {}
-	$candidate = $db->fetchRow('select skymanager_id, name, username, md5(coalesce(email, "")) as `gravatar_hash` from members where skymanager_id=' . $candidate_selected);
+	$candidate = $db->fetchRow('select skymanager_id, name, username, coalesce(email, "") as `gravatar_email` from members where skymanager_id=' . $candidate_selected);
 	if ($result) {
 		$to = 'mf2022elec@gmail.com';
 		$from = 'noreply@tyzoid.com';
 		<h4 class="section-heading">Candidate</h4>
 		<div id="vote-profile" class="candidate">
 			<div class="profile-icon">
-				<img src="https://www.gravatar.com/avatar/<?= $candidate['gravatar_hash']; ?>.png?d=mp&s=64" />
+				<img src="https://www.gravatar.com/avatar/<?= md5($candidate['gravatar_email']); ?>.png?d=mp&s=64" />
 			</div>
 			<div class="profile">
 				<h2 class="profile-name"><?= $candidate['name']; ?></h2>