teutidos/kotomemo.php Secret

## kotomemo.php
<?php
class Kotomemo {
    private $zAddress;
    private $rpc;
    public function __construct($zAddress) {
        $this->zAddress = $zAddress;
        $this->rpc = new RPCUtil("192.168.1.10", 8432, 'user', 'password');
    }

    public function getAllMemo() {
        $memo_list = [];

        $txs = $this->rpc->command(['method'=> 'z_listreceivedbyaddress', 'params'=> [$this->zAddress]]);

        foreach ($txs as $tx) {
            $tx_info = $this->rpc->command(['method' => 'gettransaction', 'params'=>[$tx['txid']]]);
            $memo_hex = $tx['memo'];

            $memo_str = $this->hexToStr($memo_hex);

            $memo_list[$tx_info['time']] = ['text' => $memo_str, 'txid' => $tx['txid'], 'amount' => $tx['amount']];
        }

        krsort($memo_list);

        $counter = -1;
        foreach($memo_list as $time => $memo) {
            $memo_list[$time]['no'] = count($memo_list) - ++$counter;
        }

        return $memo_list;
    }

    private function hexToStr($hex) {
        $formatted_array = [];
        if ($this->isValidHex($hex)) {
            $output = explode("\n", hex2bin($hex));
            foreach ($output as $line) {
                if (!$this->isBlankLine($line)) {
                    $formatted_array[] =$line;
                }
            }
            $formatted = $formatted_array;
            return $formatted;
        } else {
            return '';
        }
    }

    private function isValidHex($hex) {
        foreach (str_split($hex) as $char) {
            $ord = ord($char);
            if (!(($ord >= 48 && $ord <= 57) || ($ord >= 97 && $ord <= 102))) return false;
        }
        return true;
    }

    private function isBlankLine($hex) {
        foreach (str_split(bin2hex($hex)) as $char) {
            $ord = ord($char);
            if ($ord !== 48) return false;
        }
        return true;
    }
}


class RPCUtil {
    private $ip;
    private $port;
    private $rpcuser;
    private $rpcpassword;

    public function __construct($ip = '127.0.0.1', $port = 8432, $rpcuser = 'rpcuser', $rpcpassword = 'rpcpassword') {
        $this->ip = $ip;
        $this->port = $port;
        $this->rpcuser = $rpcuser;
        $this->rpcpassword = $rpcpassword;
    }

    function command($request) {
        $request = json_encode($request);
        $kotod = curl_init();
        curl_setopt_array($kotod, [
            CURLOPT_URL => $this->ip,
            CURLOPT_PORT => $this->port,
            CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
            CURLOPT_USERPWD => $this->rpcuser . ":" . $this->rpcpassword,
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => $request,
            CURLOPT_RETURNTRANSFER => true
        ]);

        $response = json_decode(curl_exec($kotod), true);
        return $response['result'];
    }
}

class Util {
    static public function h($string) {
        return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
    }
}

$kotomemo = new Kotomemo('zkFthoybC41MZzNnP5DwL6mkRvbzZHbBQ44QvfYPeSeTehFXPdec3dTbnafWZUR7SaMVfUy7i68isLXfRu2FfAdEqmvofzc');
$memos = $kotomemo->getAllMemo();
?>
<!doctype html>
<html lang="ja">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" integrity="sha384-Zug+QiDoJOrZ5t4lssLdxGhVrurbmBWopoEl+M6BdEfwnCJZtKxi1KgxUyJq13dy" crossorigin="anonymous">

    <link rel="stylesheet" href="./index.css">
    <title>kotomemo</title>
</head>
<body>
    <div class="container">
        <h1 class="display-4">kotomemo</h1>
        <hr>
        <?php
        foreach ($memos as $posted => $memo) {
            echo '<div class="card" style="margin-bottom: 0.25rem;">';
            echo '<div class="card-body">';
            echo '<p class="card-text">';
            foreach ($memo['text'] as $memo_line) {
                echo Util::h($memo_line) . '<br>';
            }
            echo '</p>';
            echo '<small>#'.$memo['no'].' '.date('Y-m-d H:i:s T', $posted).' '.$memo['amount'].'Koto '.$memo['txid'].'</small>';
            echo '</div>';
            echo '</div>';
        }
        ?>
    </div>

<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/js/bootstrap.min.js" integrity="sha384-a5N7Y/aK3qNeh15eJKGWxsqtnX/wWdSZSKp+81YjTmS15nvnvxKHuzaWwXHDli+4" crossorigin="anonymous"></script>
</body>
</html>
	<?php
	class Kotomemo {
	private $zAddress;
	private $rpc;
	public function __construct($zAddress) {
	$this->zAddress = $zAddress;
	$this->rpc = new RPCUtil("192.168.1.10", 8432, 'user', 'password');
	}

	public function getAllMemo() {
	$memo_list = [];

	$txs = $this->rpc->command(['method'=> 'z_listreceivedbyaddress', 'params'=> [$this->zAddress]]);

	foreach ($txs as $tx) {
	$tx_info = $this->rpc->command(['method' => 'gettransaction', 'params'=>[$tx['txid']]]);
	$memo_hex = $tx['memo'];

	$memo_str = $this->hexToStr($memo_hex);

	$memo_list[$tx_info['time']] = ['text' => $memo_str, 'txid' => $tx['txid'], 'amount' => $tx['amount']];
	}

	krsort($memo_list);

	$counter = -1;
	foreach($memo_list as $time => $memo) {
	$memo_list[$time]['no'] = count($memo_list) - ++$counter;
	}

	return $memo_list;
	}

	private function hexToStr($hex) {
	$formatted_array = [];
	if ($this->isValidHex($hex)) {
	$output = explode("\n", hex2bin($hex));
	foreach ($output as $line) {
	if (!$this->isBlankLine($line)) {
	$formatted_array[] =$line;
	}
	}
	$formatted = $formatted_array;
	return $formatted;
	} else {
	return '';
	}
	}

	private function isValidHex($hex) {
	foreach (str_split($hex) as $char) {
	$ord = ord($char);
	if (!(($ord >= 48 && $ord <= 57) \|\| ($ord >= 97 && $ord <= 102))) return false;
	}
	return true;
	}

	private function isBlankLine($hex) {
	foreach (str_split(bin2hex($hex)) as $char) {
	$ord = ord($char);
	if ($ord !== 48) return false;
	}
	return true;
	}
	}


	class RPCUtil {
	private $ip;
	private $port;
	private $rpcuser;
	private $rpcpassword;

	public function __construct($ip = '127.0.0.1', $port = 8432, $rpcuser = 'rpcuser', $rpcpassword = 'rpcpassword') {
	$this->ip = $ip;
	$this->port = $port;
	$this->rpcuser = $rpcuser;
	$this->rpcpassword = $rpcpassword;
	}

	function command($request) {
	$request = json_encode($request);
	$kotod = curl_init();
	curl_setopt_array($kotod, [
	CURLOPT_URL => $this->ip,
	CURLOPT_PORT => $this->port,
	CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
	CURLOPT_USERPWD => $this->rpcuser . ":" . $this->rpcpassword,
	CURLOPT_POST => true,
	CURLOPT_POSTFIELDS => $request,
	CURLOPT_RETURNTRANSFER => true
	]);

	$response = json_decode(curl_exec($kotod), true);
	return $response['result'];
	}
	}

	class Util {
	static public function h($string) {
	return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
	}
	}

	$kotomemo = new Kotomemo('zkFthoybC41MZzNnP5DwL6mkRvbzZHbBQ44QvfYPeSeTehFXPdec3dTbnafWZUR7SaMVfUy7i68isLXfRu2FfAdEqmvofzc');
	$memos = $kotomemo->getAllMemo();
	?>
	<!doctype html>
	<html lang="ja">
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" integrity="sha384-Zug+QiDoJOrZ5t4lssLdxGhVrurbmBWopoEl+M6BdEfwnCJZtKxi1KgxUyJq13dy" crossorigin="anonymous">

	<link rel="stylesheet" href="./index.css">
	<title>kotomemo</title>
	</head>
	<body>
	<div class="container">
	<h1 class="display-4">kotomemo</h1>
	<hr>
	<?php
	foreach ($memos as $posted => $memo) {
	echo '<div class="card" style="margin-bottom: 0.25rem;">';
	echo '<div class="card-body">';
	echo '<p class="card-text">';
	foreach ($memo['text'] as $memo_line) {
	echo Util::h($memo_line) . '<br>';
	}
	echo '</p>';
	echo '<small>#'.$memo['no'].' '.date('Y-m-d H:i:s T', $posted).' '.$memo['amount'].'Koto '.$memo['txid'].'</small>';
	echo '</div>';
	echo '</div>';
	}
	?>
	</div>

	<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/js/bootstrap.min.js" integrity="sha384-a5N7Y/aK3qNeh15eJKGWxsqtnX/wWdSZSKp+81YjTmS15nvnvxKHuzaWwXHDli+4" crossorigin="anonymous"></script>
	</body>
	</html>