2020-01-16 04:50:22 +13:00
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<?php
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namespace Auth\OAuth;
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use Auth\OAuth;
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// Reference Material
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// https://dev.twitch.tv/docs/authentication
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class Twitch extends OAuth
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{
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/**
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* @var string
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*/
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2020-01-16 09:57:32 +13:00
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private $endpoint = 'https://id.twitch.tv/oauth2/';
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/**
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* @var string
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*/
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private $resourceEndpoint = 'https://api.twitch.tv/helix/users';
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2020-01-16 04:50:22 +13:00
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/**
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* @var array
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*/
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protected $scope = [
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'user:read:email',
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];
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/**
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* @var array
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*/
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protected $user = [];
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/**
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* @return string
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*/
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public function getName():string
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{
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return 'twitch';
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}
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/**
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* @return string
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*/
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public function getLoginURL():string
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{
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2020-01-16 09:57:32 +13:00
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return $this->endpoint . 'authorize?'.
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2020-01-16 04:50:22 +13:00
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http_build_query([
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'response_type' => 'code',
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'client_id' => $this->appID,
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'scope' => implode(' ', $this->scope),
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'redirect_uri' => $this->callback,
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2020-01-16 09:57:32 +13:00
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'force_verify' => true,
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'state' => json_encode($this->state)
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2020-01-16 04:50:22 +13:00
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]);
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}
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/**
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* @param string $code
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*
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* @return string
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*/
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public function getAccessToken(string $code):string
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{
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2020-01-16 09:57:32 +13:00
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$result = json_decode($this->request(
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2020-01-16 04:50:22 +13:00
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'POST',
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2020-01-16 09:57:32 +13:00
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$this->endpoint . 'token',
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2020-01-16 04:50:22 +13:00
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[],
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http_build_query([
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2020-01-16 09:57:32 +13:00
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"client_id" => $this->appID,
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"client_secret" => $this->appSecret,
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"code" => $code,
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"grant_type" => "authorization_code",
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"redirect_uri" => $this->callback
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2020-01-16 04:50:22 +13:00
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])
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2020-01-16 09:57:32 +13:00
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), true);
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2020-01-16 04:50:22 +13:00
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2020-01-16 09:57:32 +13:00
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if (isset($result['access_token'])) {
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return $result['access_token'];
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2020-01-16 04:50:22 +13:00
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}
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return '';
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}
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/**
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* @param $accessToken
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*
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* @return string
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*/
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public function getUserID(string $accessToken):string
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{
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$user = $this->getUser($accessToken);
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if (isset($user['id'])) {
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return $user['id'];
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}
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return '';
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}
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/**
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* @param $accessToken
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*
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* @return string
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*/
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public function getUserEmail(string $accessToken):string
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{
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2020-01-16 09:57:32 +13:00
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$user = $this->getUser($accessToken);
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2020-01-16 04:50:22 +13:00
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2020-01-16 09:57:32 +13:00
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if (isset($user['email'])) {
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return $user['email'];
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2020-01-16 04:50:22 +13:00
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}
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return '';
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}
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/**
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* @param $accessToken
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*
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* @return string
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*/
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public function getUserName(string $accessToken):string
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{
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$user = $this->getUser($accessToken);
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2020-01-16 09:57:32 +13:00
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if (isset($user['display_name'])) {
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return $user['display_name'];
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2020-01-16 04:50:22 +13:00
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}
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return '';
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}
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/**
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* @param string $accessToken
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*
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* @return array
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*/
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protected function getUser(string $accessToken)
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{
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if (empty($this->user)) {
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2020-01-16 09:57:32 +13:00
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$this->user = json_decode($this->request('GET',
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$this->resourceEndpoint, ['Authorization: Bearer '.urlencode($accessToken)]), true);
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2020-01-16 04:50:22 +13:00
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}
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return $this->user;
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}
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}
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