PHP code example of kreait / firebase-tokens

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

kreait / firebase-tokens example snippets

use Kreait\Firebase\JWT\CustomTokenGenerator;

$clientEmail = '...';
$privateKey = '...';

$generator = CustomTokenGenerator::withClientEmailAndPrivateKey($clientEmail, $privateKey);
$token = $generator->createCustomToken('uid', ['first_claim' => 'first_value' /* ... */]);

echo $token;
// Output: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.e...

use Kreait\Firebase\JWT\Error\IdTokenVerificationFailed;
use Kreait\Firebase\JWT\IdTokenVerifier;

$projectId = '...';
$idToken = 'eyJhb...'; // An ID token given to your backend by a Client application

$verifier = IdTokenVerifier::createWithProjectId($projectId);

try {
    $token = $verifier->verifyIdToken($idToken);
} catch (IdTokenVerificationFailed $e) {
    echo $e->getMessage();
    // Example Output:
    // The value 'eyJhb...' is not a verified ID token:
    // - The token is expired.
    exit;
}

try {
    $token = $verifier->verifyIdTokenWithLeeway($idToken, $leewayInSeconds = 10000000);
} catch (IdTokenVerificationFailed $e) {
    print $e->getMessage();
    exit;
}

use Kreait\Firebase\JWT\Error\SessionCookieVerificationFailed;
use Kreait\Firebase\JWT\SessionCookieVerifier;

$projectId = '...';
$sessionCookie = 'eyJhb...'; // A session cookie given to your backend by a Client application

$verifier = SessionCookieVerifier::createWithProjectId($projectId);

try {
    $token = $verifier->verifySessionCookie($sessionCookie);
} catch (SessionCookieVerificationFailed $e) {
    echo $e->getMessage();
    // Example Output:
    // The value 'eyJhb...' is not a verified ID token:
    // - The token is expired.
    exit;
}

try {
    $token = $verifier->verifySessionCookieWithLeeway($sessionCookie, $leewayInSeconds = 10000000);
} catch (SessionCookieVerificationFailed $e) {
    print $e->getMessage();
    exit;
}

$token = $verifier->verifyIdToken('eyJhb...'); // An ID token given to your backend by a Client application

echo json_encode($token->headers(), JSON_PRETTY_PRINT);
// {
//     "alg": "RS256",
//     "kid": "e5a91d9f39fa4de254a1e89df00f05b7e248b985",
//     "typ": "JWT"
// }                                                   

echo json_encode($token->payload(), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
// {
//     "name": "Jane Doe",
//     "picture": "https://domain.tld/picture.jpg",
//     "iss": "https://securetoken.google.com/your-project-id",
//     "aud": "your-project-id",
//     "auth_time": 1580063945,
//     "user_id": "W0IturDwy4TYTmX6ilkd2ZbAXRp2",
//     "sub": "W0IturDwy4TYTmX6ilkd2ZbAXRp2",
//     "iat": 1580063945,
//     "exp": 1580067545,
//     "email": "[email protected]",
//     "email_verified": true,
//     "phone_number": "+1234567890",
//     "firebase": {
//         "identities": {
//             "phone": [
//                 "+1234567890"
//             ],
//             "email": [
//                 "[email protected]"
//             ]
//         },
//         "sign_in_provider": "custom"
//     }
// }

echo $token->toString();
// eyJhb...

$tokenString = (string) $token; // string
// eyJhb...

use Kreait\Firebase\JWT\CustomTokenGenerator;

$generator = CustomTokenGenerator::withClientEmailAndPrivateKey('...', '...');

$tenantAwareGenerator = $generator->withTenantId('my-tenant-id');

use Kreait\Firebase\JWT\IdTokenVerifier;

$verifier = IdTokenVerifier::createWithProjectId('my-project-id');

$tenantAwareVerifier = $verifier->withExpectedTenantId('my-tenant-id');

use Kreait\Firebase\JWT\IdTokenVerifier;
use Symfony\Component\Cache\Adapter\FilesystemAdapter;

$cache = new FilesystemAdapter();

$verifier = IdTokenVerifier::createWithProjectIdAndCache($projectId, $cache);