diff options
Diffstat (limited to 'include/zot.php')
| -rw-r--r-- | include/zot.php | 86 |
1 files changed, 85 insertions, 1 deletions
diff --git a/include/zot.php b/include/zot.php index d97fe8113..e8ed827e2 100644 --- a/include/zot.php +++ b/include/zot.php @@ -158,6 +158,85 @@ function zot_build_packet($channel, $type = 'notify', $recipients = null, $remot return json_encode($data); } + +/** + * @brief Builds a zot6 notification packet. + * + * Builds a zot6 notification packet that you can either store in the queue with + * a message array or call zot_zot to immediately zot it to the other side. + * + * @param array $channel + * sender channel structure + * @param string $type + * packet type: one of 'ping', 'pickup', 'purge', 'refresh', 'keychange', 'force_refresh', 'notify', 'auth_check' + * @param array $recipients + * envelope information, array ( 'guid' => string, 'guid_sig' => string ); empty for public posts + * @param string $remote_key + * optional public site key of target hub used to encrypt entire packet + * NOTE: remote_key and encrypted packets are required for 'auth_check' packets, optional for all others + * @param string $methods + * optional comma separated list of encryption methods @ref zot_best_algorithm() + * @param string $secret + * random string, required for packets which require verification/callback + * e.g. 'pickup', 'purge', 'notify', 'auth_check'. Packet types 'ping', 'force_refresh', and 'refresh' do not require verification + * @param string $extra + * @returns string json encoded zot packet + */ +function zot6_build_packet($channel, $type = 'notify', $recipients = null, $msg = '', $remote_key = null, $methods = '', $secret = null, $extra = null) { + + $sig_method = get_config('system','signature_algorithm','sha256'); + + $data = [ + 'type' => $type, + 'sender' => [ + 'guid' => $channel['channel_guid'], + 'guid_sig' => base64url_encode(rsa_sign($channel['channel_guid'],$channel['channel_prvkey'],$sig_method)), + 'url' => z_root(), + 'url_sig' => base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey'],$sig_method)), + 'sitekey' => get_config('system','pubkey') + ], + 'callback' => '/post', + 'version' => Zotlabs\Lib\System::get_zot_revision(), + 'encryption' => crypto_methods(), + 'signing' => signing_methods() + ]; + + if ($recipients) { + for ($x = 0; $x < count($recipients); $x ++) + unset($recipients[$x]['hash']); + + $data['recipients'] = $recipients; + } + + if($msg) { + $data['msg'] = $msg; + } + + if ($secret) { + $data['secret'] = preg_replace('/[^0-9a-fA-F]/','',$secret); + $data['secret_sig'] = base64url_encode(rsa_sign($secret,$channel['channel_prvkey'],$sig_method)); + } + + if ($extra) { + foreach ($extra as $k => $v) + $data[$k] = $v; + } + + logger('zot6_build_packet: ' . print_r($data,true), LOGGER_DATA, LOG_DEBUG); + + // Hush-hush ultra top-secret mode + + if($remote_key) { + $algorithm = zot_best_algorithm($methods); + $data = crypto_encapsulate(json_encode($data),$remote_key, $algorithm); + } + + return json_encode($data); +} + + + + /** * @brief Choose best encryption function from those available on both sites. * @@ -5024,7 +5103,12 @@ function zot_reply_notify($data) { if($zret['success'] && $zret['hubloc'] && $zret['hubloc']['hubloc_guid'] === $data['sender']['guid']) { logger('zot6_delivery'); logger('zot6_data: ' . print_r($data,true),LOGGER_DATA); - $x = zot_import([ 'body' => json_encode($data) ],$data['sender']['url']); + $import = [ 'pickup' => [ [ 'notify' => $data, 'message' => $data['msg'] ] ] ]; + unset($import['pickup'][0]['notify']['msg']); + + logger('import: ' . print_r($import,true), LOGGER_DATA); + + $x = zot_import([ 'body' => json_encode($import) ],$data['sender']['url']); if($x) { $x = crypto_encapsulate(json_encode($x),$zret['hubloc']['hubloc_sitekey'],zot_best_algorithm($zret['hubloc']['site_crypto'])); $ret['delivery_report'] = $x; |