PHP code example of vaclavvanik / oauth2-token

1. Go to this page and download the library: Download vaclavvanik/oauth2-token library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

vaclavvanik / oauth2-token example snippets




declare(strict_types=1);

use VaclavVanik\Oauth2Token\AccessToken;
use VaclavVanik\Oauth2Token\TokenProvider;
use VaclavVanik\Oauth2Token\TokenRequest;

final class AcmeTokenProvider implements TokenProvider
{
    // ... your PSR-18 / Guzzle / curl call ...

    public function getToken(TokenRequest $request): AccessToken
    {
        $body = $this->post('https://acme.example/oauth/token', [
            'grant_type' => 'client_credentials',
            'client_id' => $request->getClientId(),
            'client_secret' => $request->getClientSecret(),
            'scope' => $request->getScope(), // "read write" or null
        ]);

        return AccessToken::fromValidatedArray($body);
    }
}


return AccessToken::fromArray($body + [AccessToken::EXPIRES_IN => 3600]);




declare(strict_types=1);

use VaclavVanik\Oauth2Token\CachingTokenProviderFactory;
use VaclavVanik\Oauth2Token\RefreshableTokenProvider;

// Both factory methods return a RefreshableTokenProvider (getToken() + forget()).

// Shared across processes - the token survives until it expires.
$provider = CachingTokenProviderFactory::createJsonFile(new AcmeTokenProvider(), '/var/cache/acme-token.json');

// Or, for a single long-running process:
$provider = CachingTokenProviderFactory::createMemory(new AcmeTokenProvider());




declare(strict_types=1);

use VaclavVanik\Oauth2Token\TokenRequest;

$token = $provider->getToken(new TokenRequest($clientId, $clientSecret));      // or (..., ['read', 'write'])

$httpRequest = $httpRequest->withHeader('Authorization', $token->headerValue()); // "Bearer eyJhbGci..."




declare(strict_types=1);

use VaclavVanik\Oauth2Token\TokenRequest;

$tokenRequest = new TokenRequest($clientId, $clientSecret);

$token = $provider->getToken($tokenRequest);
$response = $api->send($httpRequest->withHeader('Authorization', $token->headerValue()));

if ($response->getStatusCode() === 401) {   // adjust to your API
    $provider->forget($tokenRequest);

    $token = $provider->getToken($tokenRequest);
    $response = $api->send($httpRequest->withHeader('Authorization', $token->headerValue()));
}




declare(strict_types=1);

use VaclavVanik\Oauth2Token\CachingTokenProviderFactory;

$provider = CachingTokenProviderFactory::createJsonFile(
    new AcmeTokenProvider(),
    '/var/cache/acme-token.json',
    null, // clock - defaults to "now"
    120,  // refresh delta, in seconds
);