<?php

use Jose\Factory\JWEFactory;
use Jose\Factory\JWKFactory;

// We want to encrypt a very important message
$message = 'Today, 8:00PM, train station.';
$jwe = JWEFactory::createJWEToCompactJSON(
    $message,                    // The message to encrypt
    $key,                        // The key of the recipient
    [                            // The shared protected header
        'alg' => 'RSA-OAEP-256',
        'enc' => 'A256CBC-HS512',
        'zip' => 'DEF',
    ]
);

<?php

use Jose\Component\Core\AlgorithmManager;
use Jose\Component\Core\Converter\StandardConverter;
use Jose\Component\Encryption\Algorithm\KeyEncryption\RSAOAEP256;
use Jose\Component\Encryption\Algorithm\ContentEncryption\A256CBCHS512;
use Jose\Component\Encryption\Compression\CompressionMethodManager;
use Jose\Component\Encryption\Compression\Deflate;
use Jose\Component\Encryption\JWEBuilder;
use Jose\Component\Encryption\Serializer\CompactSerializer;

$keyEncryptionAlgorithmManager = AlgorithmManager::create([
    new RSAOAEP256(),
]);

$contentEncryptionAlgorithmManager = AlgorithmManager::create([
    new A256CBCHS512(),
]);

$compressionMethodManager = CompressionMethodManager::create([
    new Deflate(),
]);

$jsonConverter = new StandardConverter();

$jweBuilder = new JWEBuilder(
    $jsonConverter,
    $keyEncryptionAlgorithmManager,
    $contentEncryptionAlgorithmManager,
    $compressionMethodManager
);

$message = 'Today, 8:00PM, train station.';

$jwe = $jweBuilder
    ->create()
    ->withPayload($message)
    ->withSharedProtectedHeader([
        'alg' => 'RSA-OAEP-256',
        'enc' => 'A256CBC-HS512',
        'zip' => 'DEF'
    ])
    ->addRecipient($jwk)
    ->build();

$serializer = new CompactSerializer($jsonConverter);

$token = $serializer->serialize($jwe, 0);

<?php
use Jose\Factory\JWKFactory;
use Jose\Loader;

// We create our loader.
$loader = new Loader();

// This is the input we want to load verify.
$input = 'eyJhbGciOiJSU0EtT0FFUCIsImtpZCI6InNhbXdpc2UuZ2FtZ2VlQGhvYmJpdG9uLmV4YW1wbGUiLCJlbmMiOiJBMjU2R0NNIn0.rT99rwrBTbTI7IJM8fU3Eli7226HEB7IchCxNuh7lCiud48LxeolRdtFF4nzQibeYOl5S_PJsAXZwSXtDePz9hk-BbtsTBqC2UsPOdwjC9NhNupNNu9uHIVftDyucvI6hvALeZ6OGnhNV4v1zx2k7O1D89mAzfw-_kT3tkuorpDU-CpBENfIHX1Q58-Aad3FzMuo3Fn9buEP2yXakLXYa15BUXQsupM4A1GD4_H4Bd7V3u9h8Gkg8BpxKdUV9ScfJQTcYm6eJEBz3aSwIaK4T3-dwWpuBOhROQXBosJzS1asnuHtVMt2pKIIfux5BC6huIvmY7kzV7W7aIUrpYm_3H4zYvyMeq5pGqFmW2k8zpO878TRlZx7pZfPYDSXZyS0CfKKkMozT_qiCwZTSz4duYnt8hS4Z9sGthXn9uDqd6wycMagnQfOTs_lycTWmY-aqWVDKhjYNRf03NiwRtb5BE-tOdFwCASQj3uuAgPGrO2AWBe38UjQb0lvXn1SpyvYZ3WFc7WOJYaTa7A8DRn6MC6T-xDmMuxC0G7S2rscw5lQQU06MvZTlFOt0UvfuKBa03cxA_nIBIhLMjY2kOTxQMmpDPTr6Cbo8aKaOnx6ASE5Jx9paBpnNmOOKH35j_QlrQhDWUN6A2Gg8iFayJ69xDEdHAVCGRzN3woEI2ozDRs.-nBoKLH0YkLZPSI9.o4k2cnGN8rSSw3IDo1YuySkqeS_t2m1GXklSgqBdpACm6UJuJowOHC5ytjqYgRL-I-soPlwqMUf4UgRWWeaOGNw6vGW-xyM01lTYxrXfVzIIaRdhYtEMRBvBWbEwP7ua1DRfvaOjgZv6Ifa3brcAM64d8p5lhhNcizPersuhw5f-pGYzseva-TUaL8iWnctc-sSwy7SQmRkfhDjwbz0fz6kFovEgj64X1I5s7E6GLp5fnbYGLa1QUiML7Cc2GxgvI7zqWo0YIEc7aCflLG1-8BboVWFdZKLK9vNoycrYHumwzKluLWEbSVmaPpOslY2n525DxDfWaVFUfKQxMF56vn4B9QMpWAbnypNimbM8zVOw.UCGiqJxhBI3IFVdPalHHvA';

// The payload is decrypted using our key.
$jwe = $loader->loadAndDecryptUsingKey(
    $input,            // The input to load and decrypt
    $jwk,              // The symmetric or private key 
    ['RSA-OAEP'],      // A list of allowed key encryption algorithms
    ['A256GCM'],       // A list of allowed content encryption algorithms
    $recipient_index   // If decrypted, this variable will be set with the recipient index used to decrypt
);

<?php

use Jose\Component\Core\AlgorithmManager;
use Jose\Component\Core\Converter\StandardConverter;
use Jose\Component\Encryption\Algorithm\KeyEncryption\RSAOAEP256;
use Jose\Component\Encryption\Algorithm\ContentEncryption\A256CBCHS512;
use Jose\Component\Encryption\Compression\CompressionMethodManager;
use Jose\Component\Encryption\Compression\Deflate;
use Jose\Component\Encryption\JWEBuilder;
use Jose\Component\Encryption\Serializer\CompactSerializer;
use Jose\Component\Encryption\Serializer\JWESerializerManager;

$keyEncryptionAlgorithmManager = AlgorithmManager::create([
    new RSAOAEP256(),
]);

$contentEncryptionAlgorithmManager = AlgorithmManager::create([
    new A256CBCHS512(),
]);

$compressionMethodManager = CompressionMethodManager::create([
    new Deflate(),
]);

$jsonConverter = new StandardConverter();

$jweBuilder = new JWEBuilder(
    $jsonConverter,
    $keyEncryptionAlgorithmManager,
    $contentEncryptionAlgorithmManager,
    $compressionMethodManager
);

$serializerManager = JWESerializerManager::create([
    new CompactSerializer($jsonConverter),
]);

$token = 'eyJhbGciOiJBMjU2S1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIiwiemlwIjoiREVGIn0.9RLpf3Gauf05QPNCMzPcH4XNBLmH0s3e-YWwOe57MTG844gnc-g2ywfXt_R0Q9qsR6WhkmQEhdLk2CBvfqr4ob4jFlvJK0yW.CCvfoTKO9tQlzCvbAuFAJg.PxrDlsbSRcxC5SuEJ84i9E9_R3tCyDQsEPTIllSCVxVcHiPOC2EdDlvUwYvznirYP6KMTdKMgLqxB4BwI3CWtys0fceSNxrEIu_uv1WhzJg.4DnyeLEAfB4I8Eq0UobnP8ymlX1UIfSSADaJCXr3RlU';

$jwe = $serializerManager->unserialize($token);

$jwe = $jweDecrypter->decryptUsingKey($jwe, $jwk);

<?php

use Jose\Factory\JWKFactory;
use Jose\Factory\JWSFactory;

$header = [
  'alg' => 'RS256',
];

$jws = JWSFactory::createJWSToCompactJSON(
    $claims, // The payload
    $key,    // The private/shared key used to sign
    $header  // The token protected header
);

<?php

use Jose\Component\Core\AlgorithmManager;
use Jose\Component\Core\Converter\StandardConverter;
use Jose\Component\Signature\JWSBuilder;
use Jose\Component\Signature\Algorithm\RS256;
use Jose\Component\Signature\Serializer\CompactSerializer;

// This converter wraps json_encode/json_decode with some parameters
$jsonConverter = new StandardConverter();

// This managers handles all algorithms we need to use. 
$algorithmManager = AlgorithmManager::create([
    new RS256(),
]);

// The JWS Builder
$jwsBuilder = new JWSBuilder($jsonConverter, $algorithmManager);

// First we have to encode the payload. Now only strings are accepted.
$payload = $jsonConverter->encode($claims);

// We build our JWS object
$jws = $jwsBuilder
    ->create()                    // Indicates we want to create a new token
    ->withPayload($payload)       // We set the payload
    ->addSignature($key, $header) // We add a signature
    ->build();                    // We compute the JWS

// We need to serialize the token.
// In this example we will use the compact serialization mode (most common mode).
$serializer = new CompactSerializer($jsonConverter);
$token = $serializer->serialize($jws);

<?php

use Jose\Checker\AudienceChecker;
use Jose\Factory\CheckerManagerFactory;
use Jose\Loader;

// The loader
$loader = new Loader();

// We load and verify the input
$jws = $loader->loadAndVerifySignatureUsingKey(
    $input,
    $key,
    ['RS256'],
    $signature_index
);

// We prepare the claim/header checker
$checker = CheckerManagerFactory::createClaimCheckerManager(
    ['iat', 'nbf'], // We should enable 'exp', but this example will fail as the token has already expired
    ['crit']
);

// We check the token
$checker->checkJWS($jws, 0);

<?php
use Jose\Component\Core\AlgorithmManager;
use Jose\Component\Core\Converter\StandardConverter;
use Jose\Component\Checker\ClaimCheckerManager;
use Jose\Component\Checker\HeaderCheckerManager;
use Jose\Component\Checker\AlgorithmChecker;
use Jose\Component\Checker\ExpirationTimeChecker;
use Jose\Component\Signature\JWSVerifier;
use Jose\Component\Signature\Algorithm\RS256;
use Jose\Component\Signature\Serializer\CompactSerializer;
use Jose\Component\Signature\JWSTokenSupport;

$jsonConverter = new StandardConverter();
$serializer = new CompactSerializer($jsonConverter);

$jws = $serializer->unserialize($input);

$headerChecker = HeaderCheckerManager::create(
    [new AlgorithmChecker(['RS256'])], // A list of header checkers
    [new JWSTokenSupport()]            // A list of token support services (we only use the JWS token type here)
);

$algorithmManager = AlgorithmManager::create([
    new RS256(),
]);
$jwsVerifier = new JWSVerifier($algorithmManager);

$claimChecker = ClaimCheckerManager::create(
    [new ExpirationTimeChecker()] // A list of claim checkers
);

// We check all signatures
$isVerified = false;
for ($i = 0; $i < $jws->count(); $i++) {
    try {
        $headerChecker->check($jws, 0); // We check the header of the first (index=0) signature.        
        if ($jwsVerifier->verifyWithKey($jws, $key, 0)) { // We verify the signature
            $isVerified = true;
            break;
        }
    } catch (\Exception $e) {
        continue;
    }
}

if (!$isVerified) {
    //Unable to check the token. The header or the signature verification failed.
} else {
    // We check the claims.
    // If everything is ok, claims can be used.
    $claims = $jsonConverter->decode($jws->getPayload());
    $claimChecker->check($claims); // We check the claims.
}

<?php

use Jose\Object\JWK;

$key = new JWK([
    'kty' => 'RSA',
    'n' => '0vx7agoebGcQSuuPiLJXZptN9nndrQmbXEps2aiAFbWhM78LhWx4cbbfAAtVT86zwu1RK7aPFFxuhDR1L6tSoc_BJECPebWKRXjBZCiFV4n3oknjhMstn64tZ_2W-5JsGY4Hc5n9yBXArwl93lqt7_RN5w6Cf0h4QyQ5v-65YGjQR0_FDW2QvzqY368QQMicAtaSqzs8KJZgnYb9c7d0zgdAZHzu6qMQvRL5hajrn1n91CbOpbISD08qNLyrdkt-bFTWhAI4vMQFh6WeZu0fM4lFd2NcRwr3XPksINHaQ-G_xBniIqbw0Ls1jF44-csFCur-kEgU8awapJzKnqDKgw',
    'e' => 'AQAB',
    'alg' => 'RS256',
    'kid' => '2011-04-29',
]);

$key->has('kty'); // true
$key->get('kty'); // RSA
$key->thumbprint('sha256'); // The Sha-256 thumbprint of the key: "NzbLsXh8uDCcd-6MNwXF4W_7noWXFZAfHkxZsRGC9Xs"
json_encode($key); // The key as a Json object: "{"kty":"RSA","n":"0vx7agoebGcQSuuPiLJXZptN9n...8awapJzKnqDKgw","e":"AQAB","alg":"RS256","kid":"2011-04-29"}"
$key->toPublic(); // Converts a private key to a public one (not relevant in this example as the key is public)
$key->getAll(); // All key parameters

<?php

use Jose\Component\Core\JWK;

$key = new JWK([
    'kty' => 'RSA',
    'n' => '0vx7agoebGcQSuuPiLJXZptN9nndrQmbXEps2aiAFbWhM78LhWx4cbbfAAtVT86zwu1RK7aPFFxuhDR1L6tSoc_BJECPebWKRXjBZCiFV4n3oknjhMstn64tZ_2W-5JsGY4Hc5n9yBXArwl93lqt7_RN5w6Cf0h4QyQ5v-65YGjQR0_FDW2QvzqY368QQMicAtaSqzs8KJZgnYb9c7d0zgdAZHzu6qMQvRL5hajrn1n91CbOpbISD08qNLyrdkt-bFTWhAI4vMQFh6WeZu0fM4lFd2NcRwr3XPksINHaQ-G_xBniIqbw0Ls1jF44-csFCur-kEgU8awapJzKnqDKgw',
    'e' => 'AQAB',
    'alg' => 'RS256',
    'kid' => '2011-04-29',
]);

$key->has('kty'); // Unchanged
$key->get('kty'); // Unchanged
$key->thumbprint('sha256'); // Unchanged
json_encode($key); // Unchanged
$key->toPublic(); // Unchanged
$key->all(); // The method name changed.

<?php

use Jose\Checker\CheckerManager;
use Jose\Checker\AudienceChecker;
use Jose\Checker\CriticalHeaderChecker;

$checkerManager = new CheckerManager();
$checkerManager->addHeaderChecker(new AudienceChecker('My Server'));
$checkerManager->addHeaderChecker(new CriticalHeaderChecker());

$checkerManager->checkJWS($jws, $signature_index);

<?php

use Jose\Component\Checker\AudienceChecker;
use Jose\Component\Checker\HeaderCheckerManager;
use Jose\Component\Signature\JWSTokenSupport;

$checkerManager = new HeaderCheckerManager();
$checkerManager->add(new AudienceChecker('My Service'));
$checkerManager->addTokenTypeSupport(new TokenSupport());