190 lines
4.3 KiB
PHP
190 lines
4.3 KiB
PHP
<?php
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namespace Appwrite\Auth\OAuth2;
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use Appwrite\Auth\OAuth2;
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// Reference Material
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// https://developers.google.com/oauthplayground/
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// https://developers.google.com/identity/protocols/OAuth2
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// https://developers.google.com/identity/protocols/OAuth2WebServer
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class Google extends OAuth2
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{
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/**
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* @var string
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*/
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protected $version = 'v4';
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/**
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* @var array
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*/
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protected $scopes = [
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'https://www.googleapis.com/auth/userinfo.email',
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'https://www.googleapis.com/auth/userinfo.profile',
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'openid'
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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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* @var array
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*/
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protected $tokens = [];
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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 'google';
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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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return 'https://accounts.google.com/o/oauth2/v2/auth?'. \http_build_query([
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'client_id' => $this->appID,
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'redirect_uri' => $this->callback,
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'scope' => \implode(' ', $this->getScopes()),
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'state' => \json_encode($this->state),
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'response_type' => 'code'
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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 array
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*/
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protected function getTokens(string $code): array
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{
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if(empty($this->tokens)) {
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$this->tokens = \json_decode($this->request(
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'POST',
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'https://oauth2.googleapis.com/token?' . \http_build_query([
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'code' => $code,
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'client_id' => $this->appID,
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'client_secret' => $this->appSecret,
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'redirect_uri' => $this->callback,
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'scope' => null,
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'grant_type' => 'authorization_code'
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])
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), true);
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}
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return $this->tokens;
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}
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/**
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* @param string $refreshToken
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*
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* @return array
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*/
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public function refreshTokens(string $refreshToken):array
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{
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$this->tokens = \json_decode($this->request(
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'POST',
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'https://oauth2.googleapis.com/token?' . \http_build_query([
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'refresh_token' => $refreshToken,
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'client_id' => $this->appID,
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'client_secret' => $this->appSecret,
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'grant_type' => 'refresh_token'
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])
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), true);
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if(empty($this->tokens['refresh_token'])) {
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$this->tokens['refresh_token'] = $refreshToken;
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}
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return $this->tokens;
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}
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/**
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* @param string $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 string $accessToken
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*
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* @return string
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*/
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public function getUserEmail(string $accessToken): string
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{
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$user = $this->getUser($accessToken);
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if (isset($user['email'])) {
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return $user['email'];
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}
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return '';
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}
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/**
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* Check if the OAuth email is verified
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*
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* @link https://www.oauth.com/oauth2-servers/signing-in-with-google/verifying-the-user-info/
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*
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* @param $accessToken
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*
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* @return bool
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*/
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public function isEmailVerified(string $accessToken): bool
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{
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$user = $this->getUser($accessToken);
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if (isset($user['email_verified']) && $user['email_verified'] === true) {
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return true;
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}
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return false;
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}
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/**
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* @param string $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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if (isset($user['name'])) {
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return $user['name'];
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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 $accessToken): array
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{
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if (empty($this->user)) {
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$user = $this->request('GET', 'https://www.googleapis.com/oauth2/v3/userinfo?access_token='.\urlencode($accessToken));
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$this->user = \json_decode($user, true);
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}
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return $this->user;
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}
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}
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