README

This package provides Bitly OAuth 2.0 support for the PHP League's OAuth 2.0 Client. Work with Bitly API (4). Initially, this module was used for the integration of Bybrand with Bitly and is in production.

Full documentation, can be see in Bitly documentation.

Installation

composer require bybrand/oauth2-bitly

Usage

This is a instruction base to get the token, and in then, to save in your database to future request.

use Bybrand\OAuth2\Client\Provider\Bitly as ProviderBitly;
use League\OAuth2\Client\Provider\Exception\IdentityProviderException;

$params = $_GET;

$provider = new ProviderBitly([
    'clientId'     => 'key-id',
    'clientSecret' => 'secret-key',
    'redirectUri'  => 'your-url-redirect'
]);

if (!empty($params['error'])) {
    // Got an error, probably user denied access
    $message = 'Got error: ' . htmlspecialchars($params['error'], ENT_QUOTES, 'UTF-8');

    // Return error.
    echo $message;
}
if (!isset($params['code']) or empty($params['code'])) {
    // If we don't have an authorization code then get one
    $authorizationUrl = $provider->getAuthorizationUrl();

    // Get state and store it to the session
    $_SESSION['oauth2state'] = $provider->getState();

    header('Location: '.$authorizationUrl);
    exit;
// Check given state against previously stored one to mitigate CSRF attack
} elseif (empty($params['state']) || ($params['state'] !== $_SESSION['oauth2state'])) {
    unset($_SESSION['oauth2state']);

    // Set error and redirect.
    echo 'Invalid stage';
} else {
    try {
        // Try to get an access token (using the authorization code grant)
        $token = $provider->getAccessToken('authorization_code', [
            'code' => $params['code']
        ]);

        // Retriave a list of Bitly groups.
        // @see http://dev.bitly.com/v4/#operation/getGroups
        $groups = $provider->getResourceOwner($token);
    } catch (IdentityProviderException $e) {
        // Error, HTTP code Status
        // @see http://dev.bitly.com/v4/#section/RESTfulness
    } catch (\Exception $e) {
        // Error, make redirect or message.
    }

    // Use this to interact with an API on the users behalf
    echo $token->getToken();
}

Please, for more information see the PHP League's general usage examples.

Refreshing a Token

Bitly tokens do not expire and do not need to be refreshed.

Testing

bash
$ ./vendor/bin/phpunit

or individual method test, by group.

bash
$ ./vendor/bin/phpunit --group=Bitly.GetBaseAccessTokenUrl

License

The MIT License (MIT). Please see License File for more information.

bybrand / oauth2-bitly

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