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15 |
1 | <?php |
2 | |
3 | namespace Miniframe\SocialLogin\Provider; |
4 | |
5 | use Miniframe\Core\Config; |
6 | use Miniframe\Core\Request; |
7 | |
8 | abstract class AbstractOAuthProvider implements ProviderInterface |
9 | { |
10 | /** |
11 | * Short name of the provider (Example: 'twitter') |
12 | * |
13 | * @var string |
14 | */ |
15 | protected $shortName; |
16 | /** |
17 | * Reference to the Request object |
18 | * |
19 | * @var Request |
20 | */ |
21 | protected $request; |
22 | /** |
23 | * Base href for this application |
24 | * |
25 | * @var string |
26 | */ |
27 | protected $baseHref; |
28 | /** |
29 | * User agent for the cURL requests |
30 | * |
31 | * @var string |
32 | */ |
33 | protected $userAgent = 'Miniframe Social Login client (https://bitbucket.org/miniframe/miniframe-social-login/)'; |
34 | |
35 | /** |
36 | * Creates a new OAuth provider |
37 | * |
38 | * @param Request $request Reference to the Request object. |
39 | * @param Config $config Reference to the Config object. |
40 | */ |
41 | public function __construct(Request $request, Config $config) |
42 | { |
43 | $this->request = $request; |
44 | $this->shortName = strtolower(array_reverse(explode('\\', get_called_class()))[0]); |
45 | $this->baseHref = $config->get('framework', 'base_href'); |
46 | } |
47 | |
48 | /** |
49 | * Returns the current URI |
50 | * |
51 | * @return string |
52 | */ |
53 | protected function getCurrentUri(): string |
54 | { |
55 | $parts = explode(':', $this->request->getServer('HTTP_HOST'), 2); |
56 | if (count($parts) == 2) { |
57 | $serverHost = $parts[0]; |
58 | $serverPort = $parts[1]; |
59 | } else { |
60 | $serverHost = $this->request->getServer('HTTP_HOST'); |
61 | $serverPort = (int)$this->request->getServer('SERVER_PORT'); |
62 | } |
63 | $requestPath = explode('?', $this->request->getServer('REQUEST_URI'))[0]; |
64 | |
65 | if ($this->request->getServer('HTTPS')) { |
66 | $serverProtocol = 'https://'; |
67 | $defaultPort = 443; |
68 | } else { |
69 | $serverProtocol = 'http://'; |
70 | $defaultPort = 80; |
71 | } |
72 | return $serverProtocol . $serverHost . ($defaultPort == $serverPort ? '' : ':' . $serverPort) . $requestPath; |
73 | } |
74 | |
75 | |
76 | /** |
77 | * Performs a cURL request |
78 | * |
79 | * @param string $url The URL. |
80 | * @param string $requestMethod The request method (GET, POST). |
81 | * @param array|null $data Request data. |
82 | * @param array $headers Request headers. |
83 | * @param boolean $raw Set to true to get the raw response. |
84 | * |
85 | * @return array |
86 | */ |
87 | protected function curlRequest( |
88 | string $url, |
89 | string $requestMethod, |
90 | array $data = null, |
91 | array $headers = array(), |
92 | bool $raw = false |
93 | ): array { |
94 | // Default options |
95 | $curlOptions = array(); |
96 | $curlOptions[CURLOPT_URL] = $url; |
97 | $curlOptions[CURLOPT_RETURNTRANSFER] = true; |
98 | $curlOptions[CURLOPT_HEADER] = true; |
99 | $curlOptions[CURLOPT_HTTPHEADER] = $headers; |
100 | $curlOptions[CURLOPT_USERAGENT] = $this->userAgent; |
101 | |
102 | if (strtoupper($requestMethod) == 'GET') { |
103 | $curlOptions[CURLOPT_HTTPGET] = true; |
104 | if ($data) { |
105 | $curlOptions[CURLOPT_URL] .= (strpos('?', $curlOptions[CURLOPT_URL]) !== false ? '&' : '?') |
106 | . http_build_query($data); |
107 | } |
108 | } elseif (strtoupper($requestMethod) == 'POST') { |
109 | // When doing a regular POST request, CURLOPT_POSTFIELDS is provided as string, the content-type will be |
110 | // 'application/x-www-form-urlencoded'. |
111 | $curlOptions[CURLOPT_POSTFIELDS] = http_build_query($data); |
112 | $curlOptions[CURLOPT_POST] = true; |
113 | } else { |
114 | throw new \RuntimeException('Can\'t handle request method "' . strtoupper($requestMethod) . '"'); |
115 | } |
116 | |
117 | // Executes the request |
118 | $ch = curl_init(); |
119 | curl_setopt_array($ch, $curlOptions); |
120 | $data = curl_exec($ch); |
121 | |
122 | // When something went wrong, throw an exception |
123 | if ($data === false) { |
124 | throw new \RuntimeException('Unexpected cURL error #' . curl_errno($ch) . ': ' . curl_error($ch)); |
125 | } |
126 | |
127 | // Fetch info and close handle |
128 | $info = curl_getinfo($ch); |
129 | curl_close($ch); |
130 | |
131 | // We'll expect all OK variants, but nothing else. |
132 | if ($info['http_code'] < 200 || $info['http_code'] > 299) { |
133 | throw new \RuntimeException('HTTP #' . $info['http_code'] . ' error'); |
134 | } |
135 | |
136 | // Splits data |
137 | $responseHeaders = substr($data, 0, $info['header_size']); |
138 | $responseBody = substr($data, $info['header_size']); |
139 | $contentType = $info['content_type'] ?? 'application/json'; |
140 | if (strpos($contentType, ';') !== false) { |
141 | $contentType = explode(';', $contentType)[0]; |
142 | } |
143 | |
144 | // Raw response |
145 | if ($raw) { |
146 | return array( |
147 | 'responseHeaders' => $responseHeaders, |
148 | 'responseBody' => $responseBody, |
149 | 'contentType' => $contentType, |
150 | 'connectionInfo' => $info, |
151 | ); |
152 | } |
153 | |
154 | // Parsed response |
155 | switch ($contentType) { |
156 | case 'application/json': |
157 | $responseData = json_decode($responseBody, true, 512, JSON_THROW_ON_ERROR); |
158 | break; |
159 | case 'application/x-www-form-urlencoded': |
160 | parse_str($responseBody, $responseData); |
161 | break; |
162 | default: |
163 | // Try to autodetect; some providers (Twitter!) don't use the correct Content-type header. |
164 | if (preg_match('/^[a-z=0-9_\-&%]+$/i', $responseBody) && strpos($responseBody, '=') !== false) { |
165 | parse_str($responseBody, $responseData); |
166 | } else { |
167 | throw new \RuntimeException('Could not decode the ' . $contentType . ' response'); |
168 | } |
169 | } |
170 | |
171 | return $responseData; |
172 | } |
173 | } |