228 lines
5.2 KiB
PHP
228 lines
5.2 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://goauthentik.io/docs/providers/oauth2/
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class Authentik extends OAuth2
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{
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/**
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* @var array
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*/
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protected array $scopes = [
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'openid',
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'profile',
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'email',
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'offline_access'
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];
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/**
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* @var array
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*/
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protected array $user = [];
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/**
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* @var array
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*/
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protected array $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 'authentik';
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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://' . $this->getAuthentikDomain() . '/application/o/authorize?' . \http_build_query([
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'client_id' => $this->appID,
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'redirect_uri' => $this->callback,
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'state' => \json_encode($this->state),
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'scope' => \implode(' ', $this->getScopes()),
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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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$headers = ['Content-Type: application/x-www-form-urlencoded'];
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$this->tokens = \json_decode($this->request(
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'POST',
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'https://' . $this->getAuthentikDomain() . '/application/o/token/',
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$headers,
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\http_build_query([
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'code' => $code,
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'client_id' => $this->appID,
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'client_secret' => $this->getClientSecret(),
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'redirect_uri' => $this->callback,
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'scope' => \implode(' ', $this->getScopes()),
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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 $refreshToken): array
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{
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$headers = ['Content-Type: application/x-www-form-urlencoded'];
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$this->tokens = \json_decode($this->request(
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'POST',
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'https://' . $this->getAuthentikDomain() . '/application/o/token/',
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$headers,
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\http_build_query([
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'refresh_token' => $refreshToken,
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'client_id' => $this->appID,
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'client_secret' => $this->getClientSecret(),
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'grant_type' => 'refresh_token'
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])
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), true);
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if (empty($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['sub'])) {
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return $user['sub'];
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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 User email is verified
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*
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* @param string $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 ($user['email_verified'] ?? false) {
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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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$headers = ['Authorization: Bearer ' . \urlencode($accessToken)];
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$user = $this->request('GET', 'https://' . $this->getAuthentikDomain() . '/application/o/userinfo/', $headers);
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$this->user = \json_decode($user, true);
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}
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return $this->user;
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}
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/**
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* Extracts the Client Secret from the JSON stored in appSecret
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*
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* @return string
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*/
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protected function getClientSecret(): string
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{
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$secret = $this->getAppSecret();
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return $secret['clientSecret'] ?? '';
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}
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/**
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* Extracts the authentik Domain from the JSON stored in appSecret
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*
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* @return string
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*/
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protected function getAuthentikDomain(): string
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{
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$secret = $this->getAppSecret();
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return $secret['authentikDomain'] ?? '';
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}
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/**
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* Decode the JSON stored in appSecret
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*
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* @return array
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*/
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protected function getAppSecret(): array
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{
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try {
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$secret = \json_decode($this->appSecret, true, 512, JSON_THROW_ON_ERROR);
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} catch (\Throwable $th) {
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throw new \Exception('Invalid secret');
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}
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return $secret;
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}
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}
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