benjamin.harris
/
modulos_internal


			
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							<?php die(); /* no direct access */

$DEV_SIGNATURE = '<img id="dev_signature" src="' . $DEV_SIGNATURE . '" >';

$CLIENT_SIGNATURE = isset($_POST['client_signature']) ? $_POST['client_signature'] : null;
if ($CLIENT_SIGNATURE && substr($CLIENT_SIGNATURE, 0, 22) === 'data:image/png;base64,') {
  $CLIENT_SIGNATURE = '<img id="hk" src="' . htmlspecialchars($CLIENT_SIGNATURE) . '" >';
}

/**
The HTML code (and some PHP) is kept in PHP variables like $CONTRACT_HTML, $FOOTER, $CONTRACT_SIGNED_PHP, and $CLIENT_DATE_IP_COMPILED.
**/

function headerWithTitle($title) {
  return '<!DOCTYPE html>
  <html>
  <head>
    <meta charset="UTF-8">
    <title>' . $title . '</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
    <meta name="robots" content="noindex">
    <link rel="preconnect" href="https://cdn.skypack.dev">
    <link rel="preconnect" href="https://fonts.gstatic.com">
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <style></style>
  </head>
  <body>
  <div id="content" class="ql-editor">
  ';
}

if($CLIENT_SIGNATURE==null) {
  /** 
  ⌛ Waiting for Client to sign: include signature elements and javascript 
  **/

  $HEADER = headerWithTitle('Unsigned Contract');

  $FOOTER = '
  <div id="ui-unsigned"></div>
  </div> <!-- #content -->
  <script id="contract_script_unsigned" type="module"></script>
  <script id="qr_code_script" type="module"></script>
  </body>
  </html>';
  
  if ( $selfDelete && file_exists($htmlName) ) {
    header('Location: '.$htmlName.'#hk');
    die();
  }

  echo $HEADER;
  echo $CONTRACT_HTML;
  echo $DEV_SIGNATURE;
  eval (' ?>'. $FOOTER .'<?php '); // php variables can be used inside
}
else {
  /** 
  ✅ Contract was just signed: put $CLIENT_SIGNATURE and the other parts in the .html file 
  **/

  $HEADER = headerWithTitle('Signed Contract');

  $DEV_DATE_IP = '
    <div class="date-ip">
      <strong>Signed on:</strong> ' . $devTimestamp . '
      <br><strong>IP address:</strong> '  . $devIP . ' <br>
    </div>';
  $DEV_SIGNATURE .= $DEV_DATE_IP;

  /**
  $CLIENT_DATE_IP_PHP is a string of php code,
  that gets compiled below, in $CLIENT_DATE_IP_COMPILED
  **/
 
  $CLIENT_DATE_IP_PHP = $CONTRACT_SIGNED_PHP. '
    <div id="date-ip" class="date-ip">
      <strong>Signed on:</strong> <?php echo get_client_date($devTimeOffset); ?>
      <br><strong>IP address:</strong> <?php echo get_client_ip_env(); ?><br>
    </div>
  ';

  /** 
  $CLIENT_DATE_IP_COMPILED executes the php code above
  **/
  ob_start(); // https://cgd.io/2008/how-to-execute-php-code-in-a-php-string/
  eval($CLIENT_DATE_IP_PHP);
  $CLIENT_DATE_IP_COMPILED = ob_get_contents();
  ob_end_clean();

  $CLIENT_SIGNATURE .= $CLIENT_DATE_IP_COMPILED;

  // Add names above signatures
  $DEV_SIGNATURE = '<strong>'.$devName.'</strong>' . $DEV_SIGNATURE;
  $CLIENT_SIGNATURE = '<strong>'.$clientName.'</strong>' . $CLIENT_SIGNATURE;

  $FOOTER = '
    <div class="compiled-signatures">
      <div class="compiled-signature">'.$DEV_SIGNATURE. '</div><!--.compiled-signature-->
      <div class="compiled-signature">'.$CLIENT_SIGNATURE.'</div><!--.compiled-signature-->
    </div><!--.compiled-signatures-->
    <div id="ui-signed"></div>
  </div> <!--#content-->
  <script id="contract_script_signed"></script>
  </body>
  </html>';

  $output = $HEADER . $CONTRACT_HTML . $FOOTER;
  file_put_contents($htmlName, $output);

  /** 
  ✉ Email client & dev
  **/
  sendEmails($clientEmail, $devEmail);


  /** 
  ➡ Delete php, redirect to html
  **/
  if ($selfDelete) unlink(__FILE__);
  header('Location: '.$htmlName.'#hk');
  die();
}


// Function to email notifications; gets called when Client signs
function sendEmails($clientEmail, $devEmail)
{
  if ($clientEmail) {
    $headers = "From: " . $devEmail . "\r\nMIME-Version: 1.0\r\nContent-Type: text/html; charset=ISO-8859-1\r\n";
    $msg = 'The contract was signed. You can <a href="' . getHtmlUrl() . '">view or download this contract from here</a>.';
    mail($clientEmail, 'Contract signed', $msg, $headers);
  }
  if ($devEmail) {
    $headers = "From: " . $clientEmail . "\r\nMIME-Version: 1.0\r\nContent-Type: text/html; charset=ISO-8859-1\r\n";
    $msg = '<p>A new contract was signed. You can <a href="' . getHtmlUrl() . '">view or download this contract from here</a>.</p>';
    $msg .= 'The contract was signed by: ' . $clientEmail;
    mail($devEmail, 'Contract signed!', $msg, $headers);
  }
}
?>