diff options
| -rw-r--r-- | index.php | 11 | ||||
| -rw-r--r-- | lib/activitypub-actor.php | 56 | ||||
| -rw-r--r-- | lib/activitypub-webfinger.php | 22 |
3 files changed, 89 insertions, 0 deletions
@@ -38,6 +38,17 @@ case 'xmlrpc': require_once(ROOT.DS.'lib'.DS.'xmlrpc.php'); break; + case '.well-known': + if(!empty(path(1)) && path(1) == 'webfinger') { + require_once(ROOT.DS.'lib'.DS.'activitypub-webfinger.php'); + } else { + http_response_code(404); + die(); + } + break; + case 'actor': + require_once(ROOT.DS.'lib'.DS.'activitypub-actor.php'); + break; default: // redirect everything else to the homepage if(!empty(path(0)) && path(0) != 'page') { diff --git a/lib/activitypub-actor.php b/lib/activitypub-actor.php new file mode 100644 index 0000000..705955b --- /dev/null +++ b/lib/activitypub-actor.php @@ -0,0 +1,56 @@ +<?php + + if(!file_exists(ROOT.DS.'keys'.DS.'id_rsa')) { + if(!is_dir(ROOT.DS.'keys')) { + mkdir(ROOT.DS.'keys'); + } + + // generate a key pair, if neccessary + + $rsa = openssl_pkey_new([ + 'digest_alg' => 'sha512', + 'private_key_bits' => 4096, + 'private_key_type' => OPENSSL_KEYTYPE_RSA, + ]); + openssl_pkey_export($rsa, $private_key); + $public_key = openssl_pkey_get_details($rsa)['key']; + + file_put_contents(ROOT.DS.'keys'.DS.'id_rsa', $private_key); + file_put_contents(ROOT.DS.'keys'.DS.'id_rsa.pub', $public_key); + } else { + $public_key = file_get_contents(ROOT.DS.'keys'.DS.'id_rsa.pub'); + } + + + + /* + + $data = [ + 'subject' => 'acct:'.$actor.'@'.$domain, + 'links' => [ + 'rel' => 'self', + 'type' => 'application/activity+json', + 'href' => $config['url'].'/actor' + ] + ]; + */ + + header('Content-Type: application/ld+json'); + // echo(json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)); +?>{ + "@context": [ + "https://www.w3.org/ns/activitystreams", + "https://w3id.org/security/v1" + ], + + "id": "<?= $config['url'] ?>/actor", + "type": "Person", + "preferredUsername": "<?= ltrim($config['microblog_account'], '@') ?>", + "inbox": "<?= $config['url'] ?>/inbox", + + "publicKey": { + "id": "<?= $config['url'] ?>/actor#main-key", + "owner": "<?= $config['url'] ?>/actor", + "publicKeyPem": "<?= preg_replace('/\n/', '\n', $public_key) ?>" + } +} diff --git a/lib/activitypub-webfinger.php b/lib/activitypub-webfinger.php new file mode 100644 index 0000000..2ad44fb --- /dev/null +++ b/lib/activitypub-webfinger.php @@ -0,0 +1,22 @@ +<?php + + // todo: handle empty usernames + + $actor = ltrim($config['microblog_account'], '@'); + $url = parse_url($config['url']); + $domain = $url['host']; + if(!empty($url['path'])) $domain .= rtrim($url['path'], '/'); + + $data = [ + 'subject' => 'acct:'.$actor.'@'.$domain, + 'links' => [ + [ + 'rel' => 'self', + 'type' => 'application/activity+json', + 'href' => $config['url'].'/actor' + ] + ] + ]; + + header('Content-Type: application/ld+json'); + echo(json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)); |