Elasticsearch와 PHP를 사용하여 사용자 로그인 및 권한 관리 시스템을 구축하는 방법

require 'vendor/autoload.php';

use ElasticsearchClientBuilder;

$client = ClientBuilder::create()->build();

$params = [
    'index' => 'users',
    'body' => [
        'mappings' => [
            'properties' => [
                'username' => ['type' => 'text'],
                'password' => ['type' => 'text'],
                'role' => ['type' => 'text']
            ]
        ]
    ]
];

$response = $client->indices()->create($params);

echo "Index created successfully.";

require 'vendor/autoload.php';

use ElasticsearchClientBuilder;

$client = ClientBuilder::create()->build();

function registerUser($username, $password, $role) {
    $params = [
        'index' => 'users',
        'id' => $username,
        'body' => [
            'username' => $username,
            'password' => $password,
            'role' => $role
        ]
    ];

    $response = $client->index($params);

    echo "User registered successfully.";
}

function loginUser($username, $password) {
    $params = [
        'index' => 'users',
        'body' => [
            'query' => [
                'bool' => [
                    'must' => [
                        ['match' => ['username' => $username]],
                        ['match' => ['password' => $password]]
                    ]
                ]
            ]
        ]
    ];

    $response = $client->search($params);

    if ($response['hits']['total']['value'] > 0) {
        echo "Login successful.";
    } else {
        echo "Invalid username or password.";
    }
}

require 'vendor/autoload.php';

use ElasticsearchClientBuilder;

$client = ClientBuilder::create()->build();

function checkPermission($username, $permission) {
    $params = [
        'index' => 'users',
        'body' => [
            'query' => [
                'bool' => [
                    'must' => [
                        ['match' => ['username' => $username]],
                        ['match' => ['role' => $permission]]
                    ]
                ]
            ]
        ]
    ];

    $response = $client->search($params);

    if ($response['hits']['total']['value'] > 0) {
        echo "User has permission.";
    } else {
        echo "User does not have permission.";
    }
}