File core/Protocols/OAuth/OAuthDynamicClient.php

1:	<?php
2:	/*
3:	* SimpleID
4:	*
5:	* Copyright (C) Kelvin Mo 2014-2025
6:	*
7:	* This program is free software; you can redistribute it and/or
8:	* modify it under the terms of the GNU General Public
9:	* License as published by the Free Software Foundation; either
10:	* version 2 of the License, or (at your option) any later version.
11:	*
12:	* This program is distributed in the hope that it will be useful,
13:	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14:	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15:	* General Public License for more details.
16:	*
17:	* You should have received a copy of the GNU General Public
18:	* License along with this program; if not, write to the Free
19:	* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20:	*
21:	*/
22:
23:	namespace SimpleID\Protocols\OAuth;
24:
25:	use SimpleID\Protocols\HTTPResponse;
26:	use SimpleID\Crypt\Random;
27:
28:	/**
29:	* A class representing an OAuth dynamic client.
30:	*/
31:	class OAuthDynamicClient extends OAuthClient {
32:
33:	protected $dynamic = true;
34:
35:	public function __construct($data = []) {
36:	parent::__construct($data);
37:
38:	$rand = new Random();
39:	$this->cid = '_' . $rand->id() . '.oauth';
40:	}
41:
42:	/**
43:	* Fetches the JSON web key set from the `jwks_uri` parameter.
44:	*
45:	* @return void
46:	*/
47:	public function fetchJWKs() {
48:	if (isset($this->container['oauth']['jwks_uri'])) {
49:	$web = \Web::instance();
50:
51:	$response = new HTTPResponse($web->request($this->container['oauth']['jwks_uri'], [ 'headers' => [ 'Accept' => 'application/jwk-set+json,application/json,text/plain,application/octet-stream' ] ]));
52:	if ($response->isHttpError()) return;
53:
54:	$jwks = json_decode($response->getBody(), true);
55:	if ($jwks == NULL) return;
56:
57:	$this->container['oauth']['jwks'] = $jwks;
58:	}
59:	}
60:
61:	/**
62:	* Returns the dynamic client's metadata.
63:	*
64:	* @return array<string, mixed> the dynamic client's metadata
65:	*/
66:	public function getDynamicClientInfo() {
67:	$results = array_merge($this->container['oauth'], [
68:	'client_id' => $this->getStoreID()
69:	]);
70:
71:	// if jwk_uri exists, we delete jwks as we retreived this ourselves
72:	if (isset($results['jwk_uri'])) unset($results['jwks']);
73:
74:	return $results;
75:	}
76:	}
77:
78:	?>

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