File core/Protocols/OpenID/RelyingParty.php | SimpleID Documentation [] API

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\OpenID;
24:
25:	use SimpleID\Protocols\XRDS\XRDSDiscovery;
26:	use SimpleID\Models\Client;
27:
28:	/**
29:	* A class representing an OpenID ID relying party.
30:	*
31:	* A relying party is identified based by its discovery URL. The
32:	* discovery URL is based on the `openid.realm` parameter, with
33:	* the asterisk replaced by `www.`.
34:	*/
35:	class RelyingParty extends Client {
36:
37:	// OpenID clients are always dynamic
38:	/** @var bool */
39:	protected $dynamic = true;
40:
41:	/** @var string */
42:	private $store_id;
43:
44:	/**
45:	* @param string $realm
46:	*/
47:	public function __construct($realm) {
48:	parent::__construct([
49:	'openid' => [ 'realm' => $realm, 'services' => NULL, 'discovery_time' => 0 ]
50:	]);
51:	$this->cid = $realm;
52:	$this->store_id = self::buildID($realm);
53:	}
54:
55:	/**
56:	* Returns the realm
57:	*
58:	* @return string the realm
59:	*/
60:	public function getRealm() {
61:	return $this->container['openid']['realm'];
62:	}
63:
64:	/**
65:	* Returns the discovered XRDS services.
66:	*
67:	* Note that these discovered services may not be current. The time
68:	* discovery was last made can be obtained from {@link getDiscoveryTime()}.
69:	*
70:	* @return \SimpleID\Protocols\XRDS\XRDSServices the XRDS services or null
71:	*/
72:	public function getServices() {
73:	return $this->container['openid']['services'];
74:	}
75:
76:	/**
77:	* Returns the time when discovery was most recently performed.
78:	*
79:	* @return int the time, or 0 if discovery was never performed for this
80:	* relying party
81:	*/
82:	public function getDiscoveryTime() {
83:	return $this->container['openid']['discovery_time'];
84:	}
85:
86:	/**
87:	* Performs XRDS discovery on this relying party.
88:	*
89:	* @return void
90:	*/
91:	public function discover() {
92:	$discovery = XRDSDiscovery::instance();
93:	$url = self::getDiscoveryURL($this->getRealm());
94:	$this->container['openid']['services'] = $discovery->discover($url);
95:	}
96:
97:	/**
98:	* Returns the URL of a relying party endpoint for a specified realm. This URL
99:	* is used to discover services associated with the realm.
100:	*
101:	* If the realm's domain contains the wild-card characters "*.", this is substituted
102:	* with "www.".
103:	*
104:	* @param string $realm the realm
105:	* @return string the URL
106:	*
107:	* @since 0.7
108:	*/
109:	protected static function getDiscoveryURL($realm) {
110:	$parts = parse_url($realm);
111:	if ($parts == false) return $realm;
112:	$host = strtr($parts['host'], [ '*.' => 'www.' ]);
113:
114:	$url = $parts['scheme'] . '://';
115:	if (isset($parts['user'])) {
116:	$url .= $parts['user'];
117:	if (isset($parts['pass'])) $url .= ':' . $parts['pass'];
118:	$url .= '@';
119:	}
120:	$url .= $host;
121:	if (isset($parts['port'])) $url .= ':' . $parts['port'];
122:	if (isset($parts['path'])) $url .= $parts['path'];
123:	if (isset($parts['query'])) $url .= '?' . $parts['query'];
124:	if (isset($parts['fragment'])) $url .= '#' . $parts['fragment'];
125:	return $url;
126:	}
127:
128:	/**
129:	* @param string $realm
130:	* @return string
131:	*/
132:	public static function buildID($realm) {
133:	$url = self::getDiscoveryURL($realm);
134:	return '_' . trim(strtr(base64_encode(sha1($url, true)), '+/', '-_'), '=') . '.openid';
135:	}
136:
137:	public function getStoreID() {
138:	return $this->store_id;
139:	}
140:
141:	public function setStoreID($id) {
142:	$this->store_id = $id;
143:	}
144:
145:	public function getDisplayName() {
146:	return preg_replace('@^https?://(www\.\|\*\.)?@', '', $this->getRealm());
147:	}
148:
149:	public function getDisplayHTML() {
150:	return preg_replace('@^https?://(www\.\|\*\.)?@', '<span class="url-elide">$0</span>', $this->getRealm());
151:	}
152:	}
153:
154:	?>

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