OAuth.php

<?php

namespace Stripe\StripeTaxForWooCommerce\SDK\lib;

abstract class OAuth {

	/**
	 * Generates a URL to Stripe\StripeTaxForWooCommerce\SDK\lib's OAuth form.
	 *
	 * @param null|array $params
	 * @param null|array $opts
	 *
	 * @return string the URL to Stripe\StripeTaxForWooCommerce\SDK\lib's OAuth form
	 */
	public static function authorizeUrl( $params = null, $opts = null ) {
		$params = $params ?: array();

		$base = ( $opts && \array_key_exists( 'connect_base', $opts ) ) ? $opts['connect_base'] : Stripe::$connectBase;

		$params['client_id'] = self::_getClientId( $params );
		if ( ! \array_key_exists( 'response_type', $params ) ) {
			$params['response_type'] = 'code';
		}
		$query = Util\Util::encodeParameters( $params );

		return $base . '/oauth/authorize?' . $query;
	}

	/**
	 * Use an authoriztion code to connect an account to your platform and
	 * fetch the user's credentials.
	 *
	 * @param null|array $params
	 * @param null|array $opts
	 *
	 * @return StripeObject object containing the response from the API
	 * @throws \Stripe\StripeTaxForWooCommerce\SDK\lib\Exception\OAuth\OAuthErrorException if the request fails
	 */
	public static function token( $params = null, $opts = null ) {
		$base                    = ( $opts && \array_key_exists( 'connect_base', $opts ) ) ? $opts['connect_base'] : Stripe::$connectBase;
		$requestor               = new ApiRequestor( null, $base );
		list($response, $apiKey) = $requestor->request(
			'post',
			'/oauth/token',
			$params,
			null
		);

		return Util\Util::convertToStripeObject( $response->json, $opts );
	}

	/**
	 * Disconnects an account from your platform.
	 *
	 * @param null|array $params
	 * @param null|array $opts
	 *
	 * @return StripeObject object containing the response from the API
	 * @throws \Stripe\StripeTaxForWooCommerce\SDK\lib\Exception\OAuth\OAuthErrorException if the request fails
	 */
	public static function deauthorize( $params = null, $opts = null ) {
		$params                  = $params ?: array();
		$base                    = ( $opts && \array_key_exists( 'connect_base', $opts ) ) ? $opts['connect_base'] : Stripe::$connectBase;
		$requestor               = new ApiRequestor( null, $base );
		$params['client_id']     = self::_getClientId( $params );
		list($response, $apiKey) = $requestor->request(
			'post',
			'/oauth/deauthorize',
			$params,
			null
		);

		return Util\Util::convertToStripeObject( $response->json, $opts );
	}

	private static function _getClientId( $params = null ) {
		$clientId = ( $params && \array_key_exists( 'client_id', $params ) ) ? $params['client_id'] : null;
		if ( null === $clientId ) {
			$clientId = Stripe::getClientId();
		}
		if ( null === $clientId ) {
			$msg = 'No client_id provided.  (HINT: set your client_id using '
				. '"Stripe\StripeTaxForWooCommerce\SDK\lib::setClientId(<CLIENT-ID>)".  You can find your client_ids '
				. 'in your Stripe\StripeTaxForWooCommerce\SDK\lib dashboard at '
				. 'https://dashboard.stripe.com/account/applications/settings, '
				. 'after registering your account as a platform. See '
				. 'https://stripe.com/docs/connect/standard-accounts for details, '
				. 'or email support@stripe.com if you have any questions.';

			throw new Exception\AuthenticationException( $msg );
		}

		return $clientId;
	}
}