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<?php |
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namespace anerg\OAuth2\Gateways; |
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use anerg\OAuth2\Connector\Gateway; |
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use anerg\OAuth2\Helper\Str; |
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class Twitter extends Gateway |
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{ |
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const API_BASE = 'https://api.twitter.com/'; |
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private $tokenSecret = ''; |
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/** |
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* 构造函数 |
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* |
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* @param array $config |
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*/ |
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public function __construct($config = null) |
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{ |
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parent::__construct($config); |
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$this->clientParams(); |
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} |
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/** |
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* 设置客户端请求的参数 |
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* |
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* @return void |
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*/ |
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private function clientParams() |
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{ |
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if (isset($this->config['access_token']) && !empty($this->config['access_token'])) { |
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$this->token['access_token'] = $this->config['access_token']; |
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} |
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if (isset($this->config['oauth_token']) && !empty($this->config['oauth_token'])) { |
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$this->token['oauth_token'] = $this->config['oauth_token']; |
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} |
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if (isset($this->config['oauth_token_secret']) && !empty($this->config['oauth_token_secret'])) { |
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$this->token['oauth_token_secret'] = $this->config['oauth_token_secret']; |
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$this->tokenSecret = $this->config['oauth_token_secret']; |
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} |
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if (isset($this->config['user_id']) && !empty($this->config['user_id'])) { |
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$this->token['user_id'] = $this->config['user_id']; |
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} |
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if (isset($this->config['screen_name']) && !empty($this->config['screen_name'])) { |
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$this->token['screen_name'] = $this->config['screen_name']; |
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} |
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} |
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/** |
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* 得到跳转地址 |
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*/ |
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public function getRedirectUrl() |
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{ |
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$oauthToken = $this->call('oauth/request_token', ['oauth_callback' => $this->config['callback']], 'POST'); |
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return self::API_BASE . 'oauth/authenticate?oauth_token=' . $oauthToken['oauth_token']; |
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} |
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/** |
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* 获取当前授权用户的openid标识 |
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*/ |
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public function openid() |
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{ |
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$data = $this->userinfoRaw(); |
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return $data['id_str']; |
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} |
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/** |
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* 获取格式化后的用户信息 |
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*/ |
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public function userinfo() |
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{ |
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$data = $this->userinfoRaw(); |
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$return = [ |
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'openid' => $data['id_str'], |
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'channel' => 'twitter', |
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'nick' => $data['name'], |
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'gender' => 'n', //twitter不返回用户性别 |
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'avatar' => $data['profile_image_url_https'], |
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]; |
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return $return; |
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} |
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/** |
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* 获取原始接口返回的用户信息 |
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*/ |
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public function userinfoRaw() |
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{ |
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if (!$this->token) { |
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$this->token = $this->getAccessToken(); |
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if (isset($this->token['oauth_token_secret'])) { |
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$this->tokenSecret = $this->token['oauth_token_secret']; |
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} else { |
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throw new \Exception("获取Twitter ACCESS_TOKEN 出错：" . json_encode($this->token)); |
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} |
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} |
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return $this->call('1.1/users/show.json', $this->token, 'GET', true); |
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} |
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/** |
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* 发起请求 |
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* |
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* @param string $api |
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* @param array $params |
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* @param string $method |
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* @return array |
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*/ |
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private function call($api, $params = [], $method = 'GET', $isJson = false) |
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{ |
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$method = strtoupper($method); |
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$request = [ |
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'method' => $method, |
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'uri' => self::API_BASE . $api, |
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]; |
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$oauthParams = $this->getOAuthParams($params); |
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$oauthParams['oauth_signature'] = $this->signature($request, $oauthParams); |
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$headers = ['Authorization' => $this->getAuthorizationHeader($oauthParams)]; |
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$data = $this->$method($request['uri'], $params, $headers); |
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if ($isJson) { |
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return json_decode($data, true); |
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} |
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parse_str($data, $data); |
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return $data; |
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} |
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/** |
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* 获取oauth参数 |
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* |
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* @param array $params |
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* @return array |
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*/ |
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private function getOAuthParams($params = []) |
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{ |
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$_default = [ |
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'oauth_consumer_key' => $this->config['app_id'], |
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'oauth_nonce' => Str::random(), |
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'oauth_signature_method' => 'HMAC-SHA1', |
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'oauth_timestamp' => $this->timestamp, |
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'oauth_token' => '', |
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'oauth_version' => '1.0', |
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]; |
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return array_merge($_default, $params); |
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} |
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/** |
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* 签名操作 |
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* |
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* @param array $request |
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* @param array $params |
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* @return string |
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*/ |
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private function signature($request, $params = []) |
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{ |
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ksort($params); |
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$sign_str = Str::buildParams($params, true); |
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$sign_str = $request['method'] . '&' . rawurlencode($request['uri']) . '&' . rawurlencode($sign_str); |
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$sign_key = $this->config['app_secret'] . '&' . $this->tokenSecret; |
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return rawurlencode(base64_encode(hash_hmac('sha1', $sign_str, $sign_key, true))); |
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} |
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/** |
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* 获取请求附带的Header头信息 |
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* |
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* @param array $params |
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* @return string |
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*/ |
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private function getAuthorizationHeader($params) |
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{ |
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$return = 'OAuth '; |
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foreach ($params as $k => $param) { |
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$return .= $k . '="' . $param . '", '; |
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} |
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return rtrim($return, ', '); |
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} |
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/** |
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* 获取access token |
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* twitter不是标准的oauth2 |
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* |
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* @return array |
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*/ |
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protected function getAccessToken() |
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{ |
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return $this->call('oauth/access_token', $_GET, 'POST'); |
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} |
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} |
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anerg2046 /
sns_auth
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.