PHP win by inwi balance verification script

win-forfait.php

<?php
$subscriptionId = 'XXXXXXXXXXXXXXXXXX';
$login = in_array('--login', $argv);

if($login)
{
    if(!in_array('--username', $argv) || !in_array('--password', $argv))
    {
        echo "Usage: php {$argv[0]} --login --username <username> --password <password>\n";
        exit(1);
    }
    $username = $argv[array_search('--username', $argv) + 1];
    $password = $argv[array_search('--password', $argv) + 1];
    login($username, $password);
}
else
{
    getBalance($subscriptionId);
}

function login(string $username, string $password)
{
    $ch = curl_init('https://api.win.ma/api/v1/auth/login');
    curl_setopt_array($ch, [
        CURLOPT_HTTPHEADER     => ['Content-Type: application/json'],
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT      => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/113.0',
        CURLOPT_REFERER        => 'https://win.ma/',
        CURLOPT_POST           => true,
        CURLOPT_POSTFIELDS     => json_encode(['email' => $username, 'password' => $password])
    ]);
    $response = curl_exec($ch);
    if($response === false)
    {
        throw new Exception("Failed to retrieve offer details:\n" .  curl_error($ch));
    }
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    if($status >= 400)
    {
        throw new Exception("Failed with status $status\n" .  print_r(curl_getinfo($ch), true));
    }

    $response = json_decode($response);
    echo "Logged in as {$response->account->firstName} {$response->account->lastName}\n";

    file_put_contents(__DIR__ . '/win-forfait.json', json_encode($response->tokens));
    echo "Tokens stored successfully\n";
}

function getBalance(string $subscriptionId)
{
    ['accessToken' => $accessToken, 'refreshToken' => $refreshToken] = getTokens();
    $url = "https://api.win.ma/api/v1/subscriptions/{$subscriptionId}/offer-detail";

    $ch = curl_init($url);
    $headers = [];
    curl_setopt_array($ch, [
        CURLOPT_HTTPHEADER     => ['Authorization: Bearer ' . $accessToken],
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT      => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/113.0',
        CURLOPT_REFERER        => 'https://win.ma/',
    ]);

    $response = curl_exec($ch);
    if($response === false)
    {
        echo "Failed to retrieve offer details:\n";
        echo curl_error($ch);
        exit(1);
    }
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    if($status >= 400)
    {
        echo "Failed with status $status\n";
        print_r(curl_getinfo($ch));
        exit(1);
    }

    //$response = file_get_contents('win.json');
    $offerDetails = json_decode($response);
    file_put_contents('win-forfait.cache', $response);
    $balance = array_values(array_filter($offerDetails->assets, fn($asset) => $asset->name === 'Internet 4G'))[0]->balance;
    printf("Until %s\n", $balance->expireDate);
    printf("%.2f MB / %.2f MB (%.2f %%)\n", $balance->restValue / 1000 / 1000, $balance->defaultValue / 1000 / 1000, $balance->restValue / $balance->defaultValue * 100.0);
}

function getTokens(): array
{
    $tokens = json_decode(file_get_contents(__DIR__ . '/win-forfait.json'), true);
    $accessToken = parseToken($tokens['accessToken']);
    if($accessToken['exp'] > time())
    {
        echo "Tokens valid, continuing\n";
        return $tokens;
    }
    refreshTokens();
    return json_decode(file_get_contents(__DIR__ . '/win-forfait.json'), true);
}

function refreshTokens()
{
    $tokens = json_decode(file_get_contents(__DIR__ . '/win-forfait.json'));
    $ch = curl_init('https://api.win.ma/api/v1/auth/refresh-token?refreshToken=' . $tokens->refreshToken);
    curl_setopt_array($ch, [
        CURLOPT_POST           => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_RETURNTRANSFER => true,
    ]);
    $response = curl_exec($ch);
    if($response === false)
    {
        echo "Failed to refresh tokens:\n";
        echo curl_error($ch), "\n";
        echo "Try logging in with php {$argv[0]} --login\n";
        exit(1);
    }

    file_put_contents(__DIR__ . '/win-forfait.json', $response);
    echo "Tokens refreshed\n";
}

function parseToken(string $token)
{
    return json_decode(base64_decode(explode('.', $token)[1]), true);
}