1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* SocialConnect project |
4
|
|
|
* @author: Patsura Dmitry https://github.com/ovr <[email protected]> |
5
|
|
|
*/ |
6
|
|
|
|
7
|
|
|
namespace SocialConnect\OAuth2; |
8
|
|
|
|
9
|
|
|
use InvalidArgumentException; |
10
|
|
|
use SocialConnect\OAuth2\Exception\InvalidState; |
11
|
|
|
use SocialConnect\OAuth2\Exception\Unauthorized; |
12
|
|
|
use SocialConnect\OAuth2\Exception\UnknownAuthorization; |
13
|
|
|
use SocialConnect\OAuth2\Exception\UnknownState; |
14
|
|
|
use SocialConnect\Provider\AbstractBaseProvider; |
15
|
|
|
use SocialConnect\Provider\Exception\InvalidAccessToken; |
16
|
|
|
use SocialConnect\Provider\Exception\InvalidResponse; |
17
|
|
|
use SocialConnect\Common\Http\Client\Client; |
18
|
|
|
|
19
|
|
|
abstract class AbstractProvider extends AbstractBaseProvider |
20
|
|
|
{ |
21
|
|
|
/** |
22
|
|
|
* HTTP method for access token request |
23
|
|
|
* |
24
|
|
|
* @var string |
25
|
|
|
*/ |
26
|
|
|
protected $requestHttpMethod = Client::POST; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* @return string |
30
|
|
|
*/ |
31
|
|
|
abstract public function getAuthorizeUri(); |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* @return string |
35
|
|
|
*/ |
36
|
|
|
abstract public function getRequestTokenUri(); |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* Default parameters for auth url, can be redeclared inside implementation of the Provider |
40
|
|
|
* |
41
|
|
|
* @return array |
42
|
|
|
*/ |
43
|
17 |
|
public function getAuthUrlParameters() |
44
|
|
|
{ |
45
|
|
|
return [ |
46
|
17 |
|
'client_id' => $this->consumer->getKey(), |
47
|
17 |
|
'redirect_uri' => $this->getRedirectUrl(), |
48
|
17 |
|
'response_type' => 'code', |
49
|
17 |
|
]; |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* @return string |
54
|
|
|
*/ |
55
|
17 |
|
protected function generateState() |
56
|
|
|
{ |
57
|
17 |
|
return md5( |
58
|
17 |
|
time() . mt_rand() |
59
|
17 |
|
); |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @return string |
64
|
|
|
*/ |
65
|
17 |
|
public function makeAuthUrl() |
66
|
|
|
{ |
67
|
17 |
|
$urlParameters = $this->getAuthUrlParameters(); |
68
|
|
|
|
69
|
17 |
|
$this->session->set( |
70
|
17 |
|
'oauth2_state', |
71
|
17 |
|
$urlParameters['state'] = $this->generateState() |
72
|
17 |
|
); |
73
|
|
|
|
74
|
17 |
|
if (count($this->scope) > 0) { |
75
|
|
|
$urlParameters['scope'] = $this->getScopeInline(); |
76
|
|
|
} |
77
|
|
|
|
78
|
17 |
|
if (count($this->fields) > 0) { |
79
|
|
|
$urlParameters['fields'] = $this->getFieldsInline(); |
80
|
|
|
} |
81
|
|
|
|
82
|
17 |
|
return $this->getAuthorizeUri() . '?' . http_build_query($urlParameters); |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
/** |
86
|
|
|
* Parse access token from response's $body |
87
|
|
|
* |
88
|
|
|
* @param string|bool $body |
89
|
|
|
* @return AccessToken |
90
|
|
|
* @throws InvalidAccessToken |
91
|
|
|
*/ |
92
|
3 |
|
public function parseToken($body) |
93
|
|
|
{ |
94
|
3 |
|
if (empty($body)) { |
95
|
|
|
throw new InvalidAccessToken('Provider response with empty body'); |
96
|
|
|
} |
97
|
|
|
|
98
|
3 |
|
parse_str($body, $token); |
99
|
|
|
|
100
|
3 |
|
if (!is_array($token) || !isset($token['access_token'])) { |
101
|
2 |
|
throw new InvalidAccessToken('Provider API returned an unexpected response'); |
102
|
|
|
} |
103
|
|
|
|
104
|
1 |
|
return new AccessToken($token); |
105
|
|
|
} |
106
|
|
|
|
107
|
|
|
/** |
108
|
|
|
* @param string $code |
109
|
|
|
* @return \SocialConnect\Common\Http\Request |
110
|
|
|
*/ |
111
|
18 |
|
protected function makeAccessTokenRequest($code) |
112
|
|
|
{ |
113
|
|
|
$parameters = [ |
114
|
18 |
|
'client_id' => $this->consumer->getKey(), |
115
|
18 |
|
'client_secret' => $this->consumer->getSecret(), |
116
|
18 |
|
'code' => $code, |
117
|
18 |
|
'grant_type' => 'authorization_code', |
118
|
18 |
|
'redirect_uri' => $this->getRedirectUrl() |
119
|
18 |
|
]; |
120
|
|
|
|
121
|
18 |
|
return new \SocialConnect\Common\Http\Request( |
122
|
18 |
|
$this->getRequestTokenUri(), |
123
|
18 |
|
$parameters, |
124
|
18 |
|
$this->requestHttpMethod, |
125
|
|
|
[ |
126
|
|
|
'Content-Type' => 'application/x-www-form-urlencoded' |
127
|
18 |
|
] |
128
|
18 |
|
); |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
/** |
132
|
|
|
* @param string $code |
133
|
|
|
* @return AccessToken |
134
|
|
|
* @throws InvalidResponse |
135
|
|
|
*/ |
136
|
34 |
|
public function getAccessToken($code) |
137
|
|
|
{ |
138
|
34 |
|
if (!is_string($code)) { |
139
|
17 |
|
throw new InvalidArgumentException('Parameter $code must be a string'); |
140
|
|
|
} |
141
|
|
|
|
142
|
17 |
|
$response = $this->httpClient->fromRequest( |
143
|
17 |
|
$this->makeAccessTokenRequest($code) |
144
|
17 |
|
); |
145
|
|
|
|
146
|
17 |
|
if (!$response->isSuccess()) { |
147
|
17 |
|
throw new InvalidResponse( |
148
|
17 |
|
'API response with error code', |
149
|
|
|
$response |
150
|
17 |
|
); |
151
|
|
|
} |
152
|
|
|
|
153
|
|
|
$body = $response->getBody(); |
154
|
|
|
return $this->parseToken($body); |
155
|
|
|
} |
156
|
|
|
|
157
|
|
|
/** |
158
|
|
|
* @param array $parameters |
159
|
|
|
* @return AccessToken |
160
|
|
|
* @throws \SocialConnect\OAuth2\Exception\InvalidState |
161
|
|
|
* @throws \SocialConnect\OAuth2\Exception\UnknownState |
162
|
|
|
* @throws \SocialConnect\OAuth2\Exception\UnknownAuthorization |
163
|
|
|
*/ |
164
|
17 |
|
public function getAccessTokenByRequestParameters(array $parameters) |
165
|
|
|
{ |
166
|
17 |
|
$state = $this->session->get('oauth2_state'); |
167
|
17 |
|
if (!$state) { |
168
|
|
|
throw new UnknownAuthorization(); |
169
|
|
|
} |
170
|
|
|
|
171
|
17 |
|
if (isset($parameters['error']) && $parameters['error'] === 'access_denied') { |
172
|
17 |
|
throw new Unauthorized(); |
173
|
|
|
} |
174
|
|
|
|
175
|
|
|
if (!isset($parameters['state'])) { |
176
|
|
|
throw new UnknownState(); |
177
|
|
|
} |
178
|
|
|
|
179
|
|
|
if ($state !== $parameters['state']) { |
180
|
|
|
throw new InvalidState(); |
181
|
|
|
} |
182
|
|
|
|
183
|
|
|
if (!isset($parameters['code'])) { |
184
|
|
|
throw new Unauthorized('Unknown code'); |
185
|
|
|
} |
186
|
|
|
|
187
|
|
|
return $this->getAccessToken($parameters['code']); |
188
|
|
|
} |
189
|
|
|
} |
190
|
|
|
|