1
|
|
|
<?php namespace nyx\auth\id; |
2
|
|
|
|
3
|
|
|
// External dependencies |
4
|
|
|
use Psr\Http\Message\ResponseInterface as Response; |
5
|
|
|
use GuzzleHttp\Promise\PromiseInterface as Promise; |
6
|
|
|
|
7
|
|
|
// Internal dependencies |
8
|
|
|
use nyx\auth; |
9
|
|
|
|
10
|
|
|
/** |
11
|
|
|
* Identity Provider |
12
|
|
|
* |
13
|
|
|
* @package Nyx\Auth |
14
|
|
|
* @version 0.1.0 |
15
|
|
|
* @author Michal Chojnacki <[email protected]> |
16
|
|
|
* @copyright 2012-2017 Nyx Dev Team |
17
|
|
|
* @link https://github.com/unyx/nyx |
18
|
|
|
*/ |
19
|
|
|
abstract class Provider implements interfaces\Provider |
20
|
|
|
{ |
21
|
|
|
/** |
22
|
|
|
* @var credentials\Client The credentials used to identify this consumer with the provider. |
23
|
|
|
*/ |
24
|
|
|
protected $consumer; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* @var bool Whether the Provider should attempt to retrieve the email address of an entity when performing |
28
|
|
|
* identify calls. |
29
|
|
|
* |
30
|
|
|
* This is kept as a separate, publicly settable behavioural flag because many Providers make |
31
|
|
|
* the entity's email address(es) available only with special permission scopes and/or at different |
32
|
|
|
* endpoints, meaning simple identify() calls which do not rely on the email being available |
33
|
|
|
* can in those cases be simplified by setting this flag to false. |
34
|
|
|
* |
35
|
|
|
* Some Identity Providers do not provide the entity's email address(es) under any circumstances, |
36
|
|
|
* in which case this flag will have no effect. |
37
|
|
|
*/ |
38
|
|
|
protected $shouldProvideEmailAddress = true; |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* @var \GuzzleHttp\ClientInterface The underlying HTTP Client used for communicating with the provider. |
42
|
|
|
*/ |
43
|
|
|
protected $httpClient; |
44
|
|
|
|
45
|
|
|
/** |
46
|
|
|
* Constructs a new Identity Provider instance tied to the given client/consumer/application Credentials. |
47
|
|
|
* |
48
|
|
|
* @param credentials\Client $consumer |
49
|
|
|
*/ |
50
|
|
|
public function __construct(credentials\Client $consumer) |
51
|
|
|
{ |
52
|
|
|
$this->consumer = $consumer; |
53
|
|
|
} |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* {@inheritDoc} |
57
|
|
|
*/ |
58
|
|
|
public function getAuthorizeUrl(array $parameters = []) : string |
59
|
|
|
{ |
60
|
|
|
return $this->buildUrl(static::URL_AUTHORIZE, $parameters); |
61
|
|
|
} |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* {@inheritDoc} |
65
|
|
|
*/ |
66
|
|
|
public function getExchangeUrl() : string |
67
|
|
|
{ |
68
|
|
|
return static::URL_EXCHANGE; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* {@inheritDoc} |
73
|
|
|
*/ |
74
|
|
|
public function getIdentifyUrl() : string |
75
|
|
|
{ |
76
|
|
|
return static::URL_IDENTIFY; |
77
|
|
|
} |
78
|
|
|
|
79
|
|
|
/** |
80
|
|
|
* Checks whether the Provider should attempt to retrieve the email address of an entity when performing |
81
|
|
|
* identify requests. |
82
|
|
|
* |
83
|
|
|
* @see $shouldProvideEmailAddress |
84
|
|
|
* @return bool |
85
|
|
|
*/ |
86
|
|
|
public function shouldProvideEmailAddress() : bool |
87
|
|
|
{ |
88
|
|
|
return $this->shouldProvideEmailAddress; |
89
|
|
|
} |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Sets whether the Provider should attempt to retrieve the email address of an entity when performing |
93
|
|
|
* identify requests. |
94
|
|
|
* |
95
|
|
|
* @param bool $bool |
96
|
|
|
* @return $this |
97
|
|
|
*/ |
98
|
|
|
public function setShouldProvideEmailAddress(bool $bool) : Provider |
99
|
|
|
{ |
100
|
|
|
$this->shouldProvideEmailAddress = $bool; |
101
|
|
|
|
102
|
|
|
return $this; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* {@inheritDoc} |
107
|
|
|
*/ |
108
|
|
|
public function request(string $method, string $url, auth\interfaces\Token $token = null, array $options = []) : Promise |
109
|
|
|
{ |
110
|
|
|
return $this->getHttpClient()->requestAsync($method, $url, array_merge_recursive($this->getDefaultRequestOptions($token), $options))->then( |
111
|
|
|
function (Response $response) use($token) { |
112
|
|
|
return $this->onRequestSuccess($response, $token); |
113
|
|
|
}, |
114
|
|
|
function(\Exception $exception) use($token) { |
115
|
|
|
return $this->onRequestError($exception, $token); |
116
|
|
|
}); |
117
|
|
|
} |
118
|
|
|
|
119
|
|
|
/** |
120
|
|
|
* Success callback for self::request(). |
121
|
|
|
* |
122
|
|
|
* Note: Some Providers may return valid HTTP response codes for requests that were actually unsuccessful |
123
|
|
|
* and instead provide arbitrary responses like "ok => false" or "errors => []". Those misbehaving cases should |
124
|
|
|
* be caught within specific Providers. |
125
|
|
|
* |
126
|
|
|
* @param Response $response The Response received to the Request made. |
127
|
|
|
* @param auth\interfaces\Token $token The Token that was used to authorize the Request, if applicable. |
128
|
|
|
* @return mixed |
129
|
|
|
*/ |
130
|
|
|
protected function onRequestSuccess(Response $response, auth\interfaces\Token $token = null) |
131
|
|
|
{ |
132
|
|
|
return json_decode($response->getBody(), true); |
133
|
|
|
} |
134
|
|
|
|
135
|
|
|
/** |
136
|
|
|
* Failure callback for self::request(). |
137
|
|
|
* |
138
|
|
|
* @param \Exception $exception The Exception that occurred during the Request. |
139
|
|
|
* @param auth\interfaces\Token $token The Token that was used to authorize the Request, if applicable. |
140
|
|
|
* @throws \Exception Always re-throws the Exception. Child classes may, however, provide |
141
|
|
|
* recovery paths. |
142
|
|
|
* @return mixed |
143
|
|
|
*/ |
144
|
|
|
protected function onRequestError(\Exception $exception, auth\interfaces\Token $token = null) |
|
|
|
|
145
|
|
|
{ |
146
|
|
|
throw $exception; |
147
|
|
|
} |
148
|
|
|
|
149
|
|
|
/** |
150
|
|
|
* Returns the default options (in a format recognized by Guzzle) for requests made by this Provider. |
151
|
|
|
* |
152
|
|
|
* @param auth\interfaces\Token $token The Token that should be used to authorize the Request. |
153
|
|
|
* @return array |
154
|
|
|
*/ |
155
|
|
|
protected function getDefaultRequestOptions(auth\interfaces\Token $token = null) : array |
156
|
|
|
{ |
157
|
|
|
return [ |
158
|
|
|
'headers' => [ |
159
|
|
|
'Accept' => 'application/json' |
160
|
|
|
] |
161
|
|
|
]; |
162
|
|
|
} |
163
|
|
|
|
164
|
|
|
/** |
165
|
|
|
* Builds an URL string from the given base URL and optional additional query parameters. |
166
|
|
|
* |
167
|
|
|
* @param string $base The base URL. |
168
|
|
|
* @param array $query Additional query parameters. |
169
|
|
|
* @return string |
170
|
|
|
*/ |
171
|
|
|
protected function buildUrl(string $base, array $query = []) : string |
172
|
|
|
{ |
173
|
|
|
return empty($query) ? $base : $base.'?'.http_build_query($query, null, '&'); |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
/** |
177
|
|
|
* Returns the underlying HTTP Client used for communicating with the provider. Lazily instantiates |
178
|
|
|
* a HTTP Client if none is set yet. |
179
|
|
|
* |
180
|
|
|
* @return \GuzzleHttp\ClientInterface |
181
|
|
|
*/ |
182
|
|
|
protected function getHttpClient() : \GuzzleHttp\ClientInterface |
183
|
|
|
{ |
184
|
|
|
return $this->httpClient ?: $this->httpClient = new \GuzzleHttp\Client(); |
185
|
|
|
} |
186
|
|
|
|
187
|
|
|
/** |
188
|
|
|
* Sets the underlying HTTP Client used for communicating with the provider. |
189
|
|
|
* |
190
|
|
|
* @param \GuzzleHttp\ClientInterface $client |
191
|
|
|
* @return $this |
192
|
|
|
*/ |
193
|
|
|
public function setHttpClient(\GuzzleHttp\ClientInterface $client) : Provider |
194
|
|
|
{ |
195
|
|
|
$this->httpClient = $client; |
196
|
|
|
|
197
|
|
|
return $this; |
198
|
|
|
} |
199
|
|
|
|
200
|
|
|
/** |
201
|
|
|
* Creates an Identity instance of a type specific to the Provider, using a Token and raw data also |
202
|
|
|
* specific to the Provider. |
203
|
|
|
* |
204
|
|
|
* @param auth\interfaces\Token $token The Token that had been used to retrieve the data about the entity. |
205
|
|
|
* @param array $data The raw data about the entity given by the Provider. |
206
|
|
|
* @return interfaces\Identity The resulting Identity instance. |
207
|
|
|
*/ |
208
|
|
|
protected function createIdentity(auth\interfaces\Token $token, array $data) : interfaces\Identity |
209
|
|
|
{ |
210
|
|
|
$class = static::IDENTITY; |
211
|
|
|
|
212
|
|
|
return new $class($token, $data); |
213
|
|
|
} |
214
|
|
|
} |
215
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.