resendFromCache.php

<?php

// ============================================================================
//  SiVote Home Sender — re-send one invitation from the local record
// ----------------------------------------------------------------------------
//  If a voter didn't receive their email, re-send the SAME code to them using
//  the SENSITIVE_MAPPED_CODES file written by sendInvitesToEmailsWithCache.php.
//  This file is intentionally self-contained.
//
//  Run from this folder:
//    php resendFromCache.php --cache_file=SENSITIVE_MAPPED_CODES_....csv \
//        --email=name@example.org --template=ballot.txt --subject="Ballot"
// ============================================================================

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

// --- 1. SMTP settings ---
if (!file_exists('config.ini')) {
    die("Missing config.ini — copy config.ini.example to config.ini and fill it in." . PHP_EOL);
}
$config = parse_ini_file('config.ini');

// --- 2. Read and check the command-line options ---
$options = getopt('', ['cache_file:', 'email:', 'template:', 'subject:']);

if (
    empty($options['cache_file'])
    || empty($options['email'])
    || empty($options['template'])
    || empty($options['subject'])
) {
    die('Usage: php resendFromCache.php --cache_file=SENSITIVE_MAPPED_CODES_....csv --email=name@example.org --template=ballot.txt --subject="Ballot"' . PHP_EOL);
}

if (!file_exists($options['cache_file']) || !file_exists($options['template'])) {
    die("Cache file or template does not exist." . PHP_EOL);
}

// --- 3. Load the local record (each line is "email,code,url") ---
$cacheData = array_map(fn($line) => str_getcsv($line, ',', '"', ''), file($options['cache_file']));

// --- 4. Find the voter's row and re-send their original code ---
$template = file_get_contents($options['template']);
$found = false;

foreach ($cacheData as $row) {
    if (($row[0] ?? null) === $options['email']) {
        $body = str_replace(['%%EMAIL%%', '%%CODE%%', '%%URL%%'], [$row[0], $row[1], $row[2]], $template);
        if (sendEmail($config, $row[0], $options['subject'], $body)) {
            echo "Re-sent to: {$row[0]}" . PHP_EOL;
        }
        $found = true;
        break;
    }
}

if (!$found) {
    echo "No entry for {$options['email']} in the cache file." . PHP_EOL;
}

// --- Send a single email over the configured SMTP server (Amazon SES) ---
function sendEmail(array $config, string $to, string $subject, string $body): bool
{
    $mail = new PHPMailer(true);
    try {
        $mail->isSMTP();
        $mail->Host       = $config['SES_HOST'];
        $mail->Port       = (int) $config['SES_PORT'];
        $mail->SMTPAuth   = true;
        $mail->Username   = $config['SMTP_USERNAME'];
        $mail->Password   = $config['SMTP_PASS'];
        $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // encrypted submission (port 587)
        $mail->CharSet    = 'UTF-8';
        $mail->setFrom($config['SENDER'], $config['SENDER_NAME']);
        $mail->addAddress($to);
        $mail->isHTML(true);
        $mail->Subject = $subject;
        $mail->Body    = $body;
        $mail->AltBody = strip_tags($body); // plain-text version
        $mail->send();
        return true;
    } catch (Exception $e) {
        echo "NOT sent to {$to}: {$mail->ErrorInfo}" . PHP_EOL;
        return false;
    }
}