give / src / PaymentGateways / PayPalCommerce / PayPalCheckoutSdk / AuthorizationInjector.php

AuthorizationInjector.php in GiveWP – Donation Plugin and Fundraising Platform 4.17.0, at src/PaymentGateways/PayPalCommerce/PayPalCheckoutSdk/AuthorizationInjector.php

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1	<?php
2
3	namespace Give\PaymentGateways\PayPalCommerce\PayPalCheckoutSdk;
4
5	use Give\PaymentGateways\PayPalCommerce\RefreshToken;
6	use Give\PaymentGateways\PayPalCommerce\Repositories\MerchantDetails;
7	use Give\PaymentGateways\PayPalCommerce\Repositories\PayPalAuth;
8	use PayPalCheckoutSdk\Core\AccessTokenRequest;
9	use PayPalCheckoutSdk\Core\RefreshTokenRequest;
10	use PayPalHttp\HttpRequest;
11	use PayPalHttp\Injector;
12
13	/**
14	* Class AuthorizationInjector
15	*
16	* This class set Authorization in http request header if missing.
17	* Authorization header build with merchant access token.
18	* Fresh Merchant access token will be fetched from PayPal if expired, for http request.
19	*
20	* @since 2.32.0 Remove unnecessary properties and methods.
21	* @since 2.25.0
22	*
23	* @see \PayPalCheckoutSdk\Core\AuthorizationInjector
24	*/
25	class AuthorizationInjector implements Injector
26	{
27	public $accessToken;
28
29	/**
30	* Adds an Authorization header to the request.
31	*
32	* @since 2.25.0
33	*/
34	public function inject($request)
35	{
36	if (! $this->hasAuthHeader($request) && ! $this->isAuthRequest($request)) {
37	if (is_null($this->accessToken) \|\| $this->accessToken->isExpired()) {
38	$this->accessToken = $this->fetchAccessToken();
39	}
40	$request->headers['Authorization'] = "Bearer {$this->accessToken->token}";
41	}
42	}
43
44	/**
45	* Returns an AccessToken.
46	*
47	* @since 2.32.0 use client credentials to fetch access token.
48	* @since 2.25.0
49	*/
50	protected function fetchAccessToken(): AccessToken
51	{
52	$merchantDetail = give(MerchantDetails::class)->getDetails();
53	$accessToken = give(PayPalAuth::class)->getTokenFromClientCredentials(
54	$merchantDetail->clientId,
55	$merchantDetail->clientSecret
56	);
57
58	$this->registerRefreshTokenCronJob($accessToken);
59
60	return AccessToken::fromArray($accessToken);
61	}
62
63	/**
64	* Return true if the request is an AccessTokenRequest or RefreshTokenRequest.
65	*
66	* @since 2.25.0
67	*/
68	private function isAuthRequest($request): bool
69	{
70	return $request instanceof AccessTokenRequest \|\| $request instanceof RefreshTokenRequest;
71	}
72
73	/**
74	* Return true if the request has an Authorization header.
75	*
76	* @since 2.25.0
77	*/
78	private function hasAuthHeader(HttpRequest $request): bool
79	{
80	return array_key_exists("Authorization", $request->headers);
81	}
82
83	/**
84	* Should save new access token and add a cron job to refresh token.
85	*
86	* @since 2.32.0 Get latest merchant details from database.
87	* @since 2.25.0
88	*
89	* @return void
90	*/
91	private function registerRefreshTokenCronJob(array $accessToken)
92	{
93	$refreshToken = give(RefreshToken::class);
94	$merchantDetailRepository = give(MerchantDetails::class);
95	$merchantDetail = $merchantDetailRepository->getDetails();
96
97	$merchantDetail->setTokenDetails($accessToken);
98	$merchantDetailRepository->save($merchantDetail);
99
100	$refreshToken->deleteRefreshTokenCronJob();
101	$refreshToken->registerCronJobToRefreshToken($accessToken['expiresIn']);
102	}
103	}
104