getCodeForEmail.php

<?php

// ============================================================================
//  SiVote Home Sender — look up one voter's code
// ----------------------------------------------------------------------------
//  Prints the code and link for a single voter from the SENSITIVE_MAPPED_CODES
//  file, so you can give it to them another way (e.g. read it out) WITHOUT
//  seeing everyone else's. Read-only — it does not send anything.
//  This file is intentionally self-contained.
//
//  Run from this folder:
//    php getCodeForEmail.php --email=name@example.org \
//        --cache_file=SENSITIVE_MAPPED_CODES_....csv
// ============================================================================

// --- 1. Read and check the command-line options ---
$options = getopt('', ['email:', 'cache_file:']);

if (empty($options['email']) || empty($options['cache_file'])) {
    die('Usage: php getCodeForEmail.php --email=name@example.org --cache_file=SENSITIVE_MAPPED_CODES_....csv' . PHP_EOL);
}

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

// --- 2. Load the local record (each line is "email,code,url") ---
$cacheData = array_map(fn($line) => str_getcsv($line, ',', '"', ''), file($options['cache_file']));

// --- 3. Find the voter's row and print just their code + link ---
foreach ($cacheData as $row) {
    if (($row[0] ?? null) === $options['email']) {
        echo "Email: {$row[0]}" . PHP_EOL;
        echo "Code:  {$row[1]}" . PHP_EOL;
        echo "Link:  {$row[2]}" . PHP_EOL;
        exit(0);
    }
}

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