PayloadBuilder.php
6 days ago
RegisterSite.php
6 days ago
Scheduler.php
6 days ago
Sender.php
6 days ago
RegisterSite.php
108 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Register-site API client. Fetches site_token from the API and stores it. |
| 5 | * |
| 6 | * @package SmashBalloon\Reviews\Common\UsageTracking\Core |
| 7 | * @since 1.0 |
| 8 | */ |
| 9 | |
| 10 | namespace SmashBalloon\Reviews\Common\UsageTracking\Core; |
| 11 | |
| 12 | use SmashBalloon\Reviews\Common\UsageTracking\Config; |
| 13 | use SmashBalloon\Reviews\Common\UsageTracking\ReporterInterface; |
| 14 | |
| 15 | if (! defined('ABSPATH')) { |
| 16 | exit; |
| 17 | } |
| 18 | |
| 19 | class RegisterSite { |
| 20 | /** |
| 21 | * Register the site with the API and store the returned site_token. |
| 22 | * |
| 23 | * @param ReporterInterface $reporter Plugin reporter (for slug/version). |
| 24 | * @return string|null Site token on success, null on failure. |
| 25 | */ |
| 26 | public function register(ReporterInterface $reporter) |
| 27 | { |
| 28 | $existing = get_option(Config::OPTION_SITE_TOKEN, ''); |
| 29 | if ('' !== $existing && is_string($existing)) { |
| 30 | return $existing; |
| 31 | } |
| 32 | |
| 33 | if ('' === Config::get_api_url()) { |
| 34 | // Filter kill switch — no base URL, no request. |
| 35 | return null; |
| 36 | } |
| 37 | |
| 38 | $url = Config::get_register_site_url(); |
| 39 | $body = array( |
| 40 | 'site_url' => home_url(), |
| 41 | 'plugin_slug' => $reporter->get_plugin_slug(), |
| 42 | 'plugin_version' => defined('SBRVER') ? SBRVER : '', |
| 43 | ); |
| 44 | |
| 45 | // Same timeout filter and clamp as Sender::send(), so register and report |
| 46 | // requests behave alike. Runs in the cron send path behind a 2-minute lock, so |
| 47 | // no page render waits on it. |
| 48 | $timeout = (int) apply_filters('sbr_smash_usage_tracking_request_timeout', Config::REQUEST_TIMEOUT); |
| 49 | $timeout = max(15, min(120, $timeout)); |
| 50 | |
| 51 | $response = wp_remote_post( |
| 52 | $url, |
| 53 | array( |
| 54 | 'method' => 'POST', |
| 55 | 'timeout' => $timeout, |
| 56 | // Mirrors Sender: no redirects, strict TLS, core URL validation. |
| 57 | 'redirection' => 0, |
| 58 | 'sslverify' => true, |
| 59 | 'reject_unsafe_urls' => true, |
| 60 | 'headers' => array( |
| 61 | 'Content-Type' => 'application/json', |
| 62 | ), |
| 63 | 'body' => wp_json_encode($body), |
| 64 | ) |
| 65 | ); |
| 66 | |
| 67 | if (is_wp_error($response)) { |
| 68 | return null; |
| 69 | } |
| 70 | |
| 71 | $code = wp_remote_retrieve_response_code($response); |
| 72 | if ($code < 200 || $code >= 300) { |
| 73 | return null; |
| 74 | } |
| 75 | |
| 76 | $body_raw = wp_remote_retrieve_body($response); |
| 77 | $data = json_decode($body_raw, true); |
| 78 | if (! is_array($data)) { |
| 79 | return null; |
| 80 | } |
| 81 | |
| 82 | $token = isset($data['site_token']) ? $data['site_token'] : (isset($data['token']) ? $data['token'] : null); |
| 83 | if (! is_string($token) || ! self::is_valid_token($token)) { |
| 84 | return null; |
| 85 | } |
| 86 | |
| 87 | update_option(Config::OPTION_SITE_TOKEN, $token, false); |
| 88 | return $token; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Validate a site token before persisting it. |
| 93 | * |
| 94 | * sanitize_text_field() alone caps neither length nor charset: a hostile |
| 95 | * or buggy response returning a multi-megabyte "token" would be stored, |
| 96 | * make every payload exceed MAX_PAYLOAD_BYTES, and wedge the feature |
| 97 | * permanently (send() returns 0, which is not a token-rejection code, so |
| 98 | * the poisoned token would never be dropped). |
| 99 | * |
| 100 | * @param string $token Candidate token from the API response. |
| 101 | * @return bool |
| 102 | */ |
| 103 | public static function is_valid_token(string $token): bool |
| 104 | { |
| 105 | return 1 === preg_match('/^[A-Za-z0-9._\-]{8,191}$/', $token); |
| 106 | } |
| 107 | } |
| 108 |