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<?php |
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|
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namespace SyncBasalam\Admin\Settings; |
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|
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use SyncBasalam\Config\Endpoints; |
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use SyncBasalam\Services\ApiServiceManager; |
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|
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defined('ABSPATH') || exit; |
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|
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class OAuthManager |
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{ |
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/** Signed, browser-bound proof that an administrator started OAuth. */ |
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const OAUTH_STATE_COOKIE = 'sync_basalam_oauth_state'; |
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|
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/** Lifetime of a pending OAuth authorization — the SSO round-trip window. */ |
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const OAUTH_STATE_TTL = 600; // 10 * MINUTE_IN_SECONDS |
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|
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/** |
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* Remember that the current admin has just started an OAuth authorization. |
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* |
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* This is called only from the nonce-protected initiation flow, so the |
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* cookie it stores cannot be planted by a forged cross-site request. The |
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* callback later requires (and consumes) this cookie, which is what turns |
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* the token-saving callback from "always forgeable" into "only valid for a |
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* flow this admin actually started". |
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* |
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* The proof deliberately lives in a signed HttpOnly cookie instead of a |
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* WordPress transient. Sites with a persistent object-cache drop-in route |
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* transients through Redis/Memcached, where a failed write, eviction, or |
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* cache flush during the OAuth round trip would otherwise invalidate a |
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* legitimate callback. |
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*/ |
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public static function issueOauthState() |
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{ |
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$userId = get_current_user_id(); |
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if ($userId <= 0) return false; |
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|
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$state = wp_generate_password(64, false); |
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$expiresAt = time() + self::OAUTH_STATE_TTL; |
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$value = self::buildOauthStateCookieValue($state, $userId, $expiresAt); |
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|
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if (! self::writeOauthStateCookie($value, $expiresAt)) return false; |
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|
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return $state; |
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} |
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|
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/** |
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* Validate and consume the pending OAuth authorization for the current user. |
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* |
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* Single use: the cookie is deleted whether or not it was valid, so a |
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* replayed or forged callback cannot reuse it. |
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*/ |
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private static function verifyOauthState() |
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{ |
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$value = isset($_COOKIE[self::OAUTH_STATE_COOKIE]) |
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? (string) wp_unslash($_COOKIE[self::OAUTH_STATE_COOKIE]) |
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: ''; |
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|
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self::clearOauthStateCookie(); |
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|
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return self::isOauthStateCookieValid( |
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$value, |
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get_current_user_id(), |
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time() |
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); |
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} |
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|
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private static function buildOauthStateCookieValue($state, $userId, $expiresAt) |
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{ |
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$payload = json_encode([ |
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'state' => (string) $state, |
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'user_id' => (int) $userId, |
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'expires_at' => (int) $expiresAt, |
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]); |
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|
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if (! is_string($payload)) return ''; |
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|
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$encodedPayload = rtrim(strtr(base64_encode($payload), '+/', '-_'), '='); |
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$signature = hash_hmac('sha256', $encodedPayload, wp_salt('auth')); |
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|
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return $encodedPayload . '.' . $signature; |
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} |
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|
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private static function isOauthStateCookieValid($value, $userId, $now) |
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{ |
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if (! is_string($value) || $value === '' || (int) $userId <= 0) return false; |
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|
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$parts = explode('.', $value, 2); |
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if (count($parts) !== 2) return false; |
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|
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[$encodedPayload, $signature] = $parts; |
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$expectedSignature = hash_hmac('sha256', $encodedPayload, wp_salt('auth')); |
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|
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if (! hash_equals($expectedSignature, $signature)) return false; |
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|
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$padding = strlen($encodedPayload) % 4; |
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if ($padding !== 0) $encodedPayload .= str_repeat('=', 4 - $padding); |
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|
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$payload = base64_decode(strtr($encodedPayload, '-_', '+/'), true); |
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$data = is_string($payload) ? json_decode($payload, true) : null; |
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|
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if (! is_array($data)) return false; |
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|
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return ! empty($data['state']) |
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&& (int) ($data['user_id'] ?? 0) === (int) $userId |
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&& (int) ($data['expires_at'] ?? 0) >= (int) $now; |
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} |
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|
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private static function writeOauthStateCookie($value, $expiresAt) |
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{ |
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if (! is_string($value) || $value === '' || headers_sent()) return false; |
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|
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$written = setcookie(self::OAUTH_STATE_COOKIE, $value, [ |
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'expires' => (int) $expiresAt, |
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'path' => self::oauthStateCookiePath(), |
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'domain' => self::oauthStateCookieDomain(), |
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'secure' => is_ssl(), |
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'httponly' => true, |
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'samesite' => 'Lax', |
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]); |
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|
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// Keep the current request internally consistent for callers and tests. |
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if ($written) $_COOKIE[self::OAUTH_STATE_COOKIE] = $value; |
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|
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return $written; |
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} |
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|
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private static function clearOauthStateCookie() |
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{ |
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unset($_COOKIE[self::OAUTH_STATE_COOKIE]); |
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|
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if (headers_sent()) return; |
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|
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setcookie(self::OAUTH_STATE_COOKIE, '', [ |
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'expires' => time() - HOUR_IN_SECONDS, |
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'path' => self::oauthStateCookiePath(), |
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'domain' => self::oauthStateCookieDomain(), |
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'secure' => is_ssl(), |
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'httponly' => true, |
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'samesite' => 'Lax', |
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]); |
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} |
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|
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private static function oauthStateCookiePath() |
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{ |
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return defined('ADMIN_COOKIE_PATH') && ADMIN_COOKIE_PATH |
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? ADMIN_COOKIE_PATH |
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: '/wp-admin'; |
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} |
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|
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private static function oauthStateCookieDomain() |
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{ |
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return defined('COOKIE_DOMAIN') ? (string) COOKIE_DOMAIN : ''; |
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} |
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|
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public function getOauthData() |
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{ |
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$oauthDataUrl = apply_filters('sync_basalam_oauth_data_url', Endpoints::HAMSALAM_OAUTH_DATA); |
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$defaultClientId = apply_filters('sync_basalam_oauth_default_client_id', 779); |
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$defaultRedirectUri = apply_filters('sync_basalam_oauth_default_redirect_uri', Endpoints::HAMSALAM_OAUTH_TOKEN); |
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|
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try { |
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$apiservice = syncBasalamContainer()->get(ApiServiceManager::class); |
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$request = $apiservice->get($oauthDataUrl); |
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$clientId = $request['body']['client_id'] ?? $defaultClientId; |
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$redirectUri = $request['body']['redirect_uri'] ?? $defaultRedirectUri; |
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} catch (\Throwable $th) { |
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$clientId = $defaultClientId; |
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$redirectUri = $defaultRedirectUri; |
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} |
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|
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return [ |
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'client_id' => $clientId, |
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'redirect_uri' => $redirectUri, |
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]; |
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} |
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|
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public static function saveOauthData() |
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{ |
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// CSRF protection: this callback performs a state-changing write from a |
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// plain GET, so it must be tied to an OAuth flow the current admin |
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// actually initiated. Without this an attacker could lure a logged-in |
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// admin to the callback URL and overwrite the stored Basalam credentials. |
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if (! current_user_can('manage_options') || ! self::verifyOauthState()) { |
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wp_die( |
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esc_html__('درخواست نا� |
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عتبر است.', 'sync-basalam'), |
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esc_html__('خطای ا� |
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نیتی', 'sync-basalam'), |
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['response' => 403] |
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); |
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} |
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|
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$isVendor = isset($_GET['is_vendor']) ? sanitize_text_field(wp_unslash($_GET['is_vendor'])) : true; |
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$vendorId = isset($_GET['vendor_id']) ? sanitize_text_field(intval($_GET['vendor_id'])) : null; |
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$hamsalamToken = isset($_GET['hamsalam_token']) ? sanitize_text_field(wp_unslash($_GET['hamsalam_token'])) : null; |
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$hamsalamBusinessId = isset($_GET['hamsalam_business_id']) ? sanitize_text_field(wp_unslash($_GET['hamsalam_business_id'])) : null; |
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$accessToken = isset($_GET['access_token']) ? sanitize_text_field(wp_unslash($_GET['access_token'])) : null; |
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$refreshToken = isset($_GET['refresh_token']) ? sanitize_text_field(wp_unslash($_GET['refresh_token'])) : null; |
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$expiresIn = isset($_GET['expires_in']) ? sanitize_text_field(intval($_GET['expires_in'])) : null; |
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|
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// Allow pro version to handle custom fields |
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$extraData = apply_filters('sync_basalam_oauth_save_extra_data', []); |
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|
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if ($isVendor == 'false') { |
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$data = [SettingsConfig::IS_VENDOR => false]; |
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$data = apply_filters('sync_basalam_oauth_non_vendor_data', $data, $vendorId, $accessToken, $refreshToken, $extraData); |
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SettingsManager::updateSettings($data); |
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return true; |
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} |
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|
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$data = [ |
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SettingsConfig::VENDOR_ID => $vendorId, |
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SettingsConfig::IS_VENDOR => $isVendor, |
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SettingsConfig::TOKEN => $accessToken, |
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SettingsConfig::REFRESH_TOKEN => $refreshToken, |
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SettingsConfig::HAMSALAM_TOKEN => $hamsalamToken, |
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SettingsConfig::HAMSALAM_BUSINESS_ID => $hamsalamBusinessId, |
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SettingsConfig::EXPIRE_TOKEN_TIME => $expiresIn, |
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]; |
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|
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$data = array_merge($data, $extraData); |
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|
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SettingsManager::updateSettings($data); |
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|
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return true; |
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} |
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|
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public function getOAuthUrls() |
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{ |
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$oauthData = $this->getOauthData(); |
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$siteUrl = get_site_url(); |
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|
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$scopes = apply_filters('sync_basalam_oauth_scopes', "vendor.product.write vendor.parcel.write customer.profile.read vendor.profile.read vendor.parcel.read vendor.profile.write customer.chat.read customer.chat.write customer.identity.read"); |
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|
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return [ |
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'redirect_uri' => $oauthData['redirect_uri'], |
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'url_req_token' => Endpoints::oauthLoginUrl( |
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$oauthData['client_id'], |
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$scopes, |
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$oauthData['redirect_uri'], |
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$siteUrl |
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), |
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]; |
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} |
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} |
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|
