قرعه‌کشی دوست دارم متن‌باز و قابل تکرار است

<?php
$fileUrl = 'https://doostdaram.com/draw-guide/example-coupons.csv?v=be65d979f575';
$expectedHash = 'be65d979f5756a23ce4e1a8195098d30ff3a5cc94c7a4a738b292350dcd6eaef';
$slogan = 'IRANE AZIZ';
$fileFormat = 'csv_v3';

$bytes = file_get_contents($fileUrl);
$fileHash = hash('sha256', $bytes);
assert(hash_equals($expectedHash, $fileHash));
assert(! str_starts_with($bytes, "\xEF\xBB\xBF"));
assert(! str_contains($bytes, "\r") && ! str_ends_with($bytes, "\n"));
$lines = explode("\n", $bytes);

if (in_array($fileFormat, ['csv_v2', 'csv_v3'], true)) {
    assert(array_shift($lines) === 'coupon_code,masked_mobile');
    $coupons = array_map(fn ($line) => explode(',', $line, 2)[0], $lines);
} else {
    $coupons = $lines;
}

if ($fileFormat !== 'csv_v3') {
    $sorted = $coupons;
    sort($sorted, SORT_STRING);
    assert($coupons === $sorted);
}
$rows = [];
foreach ($coupons as $coupon) {
    $rows[] = ['coupon' => $coupon, 'hash' => hash('sha256', $fileHash.$coupon.$slogan)];
}

usort($rows, fn ($a, $b) => strcmp($a['hash'], $b['hash']) ?: strcmp($a['coupon'], $b['coupon']));
foreach ($rows as $index => $row) {
    echo ($index + 1)." {$row['coupon']} {$row['hash']}\n";
}

import { createHash } from 'node:crypto';

const fileUrl = 'https://doostdaram.com/draw-guide/example-coupons.csv?v=be65d979f575';
const expectedHash = 'be65d979f5756a23ce4e1a8195098d30ff3a5cc94c7a4a738b292350dcd6eaef';
const slogan = 'IRANE AZIZ';
const fileFormat = 'csv_v3';
const bytes = Buffer.from(await (await fetch(fileUrl)).arrayBuffer());
const sha256 = value => createHash('sha256').update(value).digest('hex');
const fileHash = sha256(bytes);
if (fileHash !== expectedHash) throw new Error('File hash mismatch');

const text = bytes.toString('utf8');
if (text.startsWith('\uFEFF') || text.includes('\r') || text.endsWith('\n')) {
    throw new Error('Canonical format mismatch');
}

const lines = text.split('\n');
let coupons;
if (fileFormat === 'csv_v2' || fileFormat === 'csv_v3') {
    if (lines.shift() !== 'coupon_code,masked_mobile') throw new Error('CSV header mismatch');
    coupons = lines.map(line => line.split(',', 2)[0]);
} else {
    coupons = lines;
}

if (fileFormat !== 'csv_v3' && coupons.some((coupon, index) => index > 0 && coupons[index - 1] > coupon)) {
    throw new Error('Canonical order mismatch');
}

const rows = coupons.map(coupon => ({
    coupon,
    hash: sha256(fileHash + coupon + slogan),
}));
rows.sort((a, b) => a.hash === b.hash
    ? (a.coupon < b.coupon ? -1 : 1)
    : (a.hash < b.hash ? -1 : 1));
rows.forEach((row, index) => console.log(index + 1, row.coupon, row.hash));