AuthorizationInjector.php
117 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\PaymentGateways\PayPalCommerce\PayPalCheckoutSdk; |
| 4 | |
| 5 | use Give\Helpers\ArrayDataSet; |
| 6 | use Give\PaymentGateways\PayPalCommerce\Models\MerchantDetail; |
| 7 | use Give\PaymentGateways\PayPalCommerce\RefreshToken; |
| 8 | use Give\PaymentGateways\PayPalCommerce\Repositories\MerchantDetails; |
| 9 | use PayPalCheckoutSdk\Core\AccessTokenRequest; |
| 10 | use PayPalCheckoutSdk\Core\PayPalEnvironment; |
| 11 | use PayPalCheckoutSdk\Core\RefreshTokenRequest; |
| 12 | use PayPalHttp\HttpClient; |
| 13 | use PayPalHttp\HttpRequest; |
| 14 | use PayPalHttp\Injector; |
| 15 | |
| 16 | /** |
| 17 | * Class AuthorizationInjector |
| 18 | * |
| 19 | * This class set Authorization in http request header if missing. |
| 20 | * Authorization header build with merchant access token. |
| 21 | * Fresh Merchant access token will be fetched from PayPal if expired, for http request. |
| 22 | * |
| 23 | * @since 2.25.0 |
| 24 | * |
| 25 | * @see \PayPalCheckoutSdk\Core\AuthorizationInjector |
| 26 | */ |
| 27 | class AuthorizationInjector implements Injector |
| 28 | { |
| 29 | private $client; |
| 30 | private $environment; |
| 31 | private $refreshToken; |
| 32 | public $accessToken; |
| 33 | |
| 34 | /** |
| 35 | * Class constructor. |
| 36 | * |
| 37 | * @since 2.25.0 |
| 38 | */ |
| 39 | public function __construct(HttpClient $client, PayPalEnvironment $environment, $refreshToken) |
| 40 | { |
| 41 | $this->client = $client; |
| 42 | $this->environment = $environment; |
| 43 | $this->refreshToken = $refreshToken; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Adds an Authorization header to the request. |
| 48 | * |
| 49 | * @since 2.25.0 |
| 50 | */ |
| 51 | public function inject($request) |
| 52 | { |
| 53 | if (! $this->hasAuthHeader($request) && ! $this->isAuthRequest($request)) { |
| 54 | if (is_null($this->accessToken) || $this->accessToken->isExpired()) { |
| 55 | $this->accessToken = $this->fetchAccessToken(); |
| 56 | } |
| 57 | $request->headers['Authorization'] = 'Bearer ' . $this->accessToken->token; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Returns an AccessToken. |
| 63 | * |
| 64 | * @since 2.25.0 |
| 65 | */ |
| 66 | protected function fetchAccessToken(): AccessToken |
| 67 | { |
| 68 | $accessTokenResponse = $this->client->execute(new AccessTokenRequest($this->environment, $this->refreshToken)); |
| 69 | $accessToken = $accessTokenResponse->result; |
| 70 | |
| 71 | $this->registerRefreshTokenCronJob($accessToken); |
| 72 | |
| 73 | return AccessToken::fromObject($accessToken); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Return true if the request is an AccessTokenRequest or RefreshTokenRequest. |
| 78 | * |
| 79 | * @since 2.25.0 |
| 80 | */ |
| 81 | private function isAuthRequest($request): bool |
| 82 | { |
| 83 | return $request instanceof AccessTokenRequest || $request instanceof RefreshTokenRequest; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Return true if the request has an Authorization header. |
| 88 | * |
| 89 | * @since 2.25.0 |
| 90 | */ |
| 91 | private function hasAuthHeader(HttpRequest $request): bool |
| 92 | { |
| 93 | return array_key_exists("Authorization", $request->headers); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Should save new access token and add a cron job to refresh token. |
| 98 | * |
| 99 | * @since 2.25.0 |
| 100 | * |
| 101 | * @return void |
| 102 | */ |
| 103 | private function registerRefreshTokenCronJob($accessToken) |
| 104 | { |
| 105 | $refreshToken = give(RefreshToken::class); |
| 106 | $merchantDetail = give(MerchantDetail::class); |
| 107 | $merchantDetailRepository = give(MerchantDetails::class); |
| 108 | $accessToken = ArrayDataSet::camelCaseKeys($accessToken); |
| 109 | |
| 110 | $merchantDetail->setTokenDetails($accessToken); |
| 111 | $merchantDetailRepository->save($merchantDetail); |
| 112 | |
| 113 | $refreshToken->deleteRefreshTokenCronJob(); |
| 114 | $refreshToken->registerCronJobToRefreshToken($accessToken['expires_in']); |
| 115 | } |
| 116 | } |
| 117 |