Update activitypub.extend.php
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@ -5,8 +5,8 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
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// Author: Go Namhyeon (Catswords Research) <abuse@catswords.net>
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// ActivityPub: @gnh1201@catswords.social
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// License: MIT
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// Date: 2023-08-06
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// Version: 0.1.17-dev
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// Date: 2023-08-08
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// Version: 0.1.17
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// References:
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// * https://www.w3.org/TR/activitypub/
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// * https://www.w3.org/TR/activitystreams-core/
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@ -19,6 +19,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
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// * https://github.com/autogestion/pubgate-telegram
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// * https://blog.joinmastodon.org/2018/06/how-to-implement-a-basic-activitypub-server/
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// * https://chat.openai.com/share/4fda7974-cc0b-439a-b0f2-dc828f8acfef
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// * https://codeberg.org/mro/activitypub/src/commit/4b1319d5363f4a836f23c784ef780b81bc674013/like.sh#L101
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define("ACTIVITYPUB_INSTANCE_ID", md5_file(G5_DATA_PATH . "/dbconfig.php"));
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define("ACTIVITYPUB_INSTANCE_VERSION", "0.1.14-dev");
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@ -350,7 +351,7 @@ function activitypub_build_http_headers($headers) {
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function activitypub_build_datetime($s='now') {
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// e.g. 18 Dec 2019 10:08:46 GMT
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$format = "d M Y H:i:s e";
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$format = "D, d M Y H:i:s e";
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$dt = ($s == "now" ? new DateTime('now', new DateTimeZone("GMT")) : DateTime::createFromFormat($format, $s));
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return $dt->format($format);
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}
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@ -362,7 +363,7 @@ function activitypub_build_digest($body) {
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return $digest;
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}
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function activitypub_build_signature($url, $date, $digest, $mb, $method="POST") {
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function activitypub_build_signature($url, $date, $digest, $mb, $method="post") {
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// get a certificate
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list($private_key, $public_key) = activitypub_get_stored_keypair($mb);
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@ -374,13 +375,24 @@ function activitypub_build_signature($url, $date, $digest, $mb, $method="POST")
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$keyId = $activitypub_user_id . "#main-key";
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// build a target data to get signature
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/*
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$signature = $method . ' ' . $path . "\n" .
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'HOST: ' . $host . "\n" .
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'Date: ' . $date . "\n" .
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'Digest: ' . $digest;
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*/
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// Ref: https://codeberg.org/mro/activitypub/src/commit/4b1319d5363f4a836f23c784ef780b81bc674013/like.sh#L101
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$signature = sprintf(
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"%s: %s\n%s: %s\n%s: %s\n%s: %s",
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"(request-target)",
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"{$method} {$path}",
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"host", $host,
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"date", $date,
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"digest", $digest
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);
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// create a signature
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openssl_sign($signature, $signature, $privateKey, OPENSSL_ALGO_SHA256);
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openssl_sign($signature, $signature, $private_key, OPENSSL_ALGO_SHA256);
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$signature = base64_encode($signature);
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// create a signature header
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@ -391,7 +403,7 @@ function activitypub_http_get($url, $access_token = '') {
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// build the header
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$headers = array(
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"Date" => activitypub_build_datetime('now'),
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"Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\""
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"Accept" => "application/activity+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\""
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);
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// set access token
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@ -432,20 +444,20 @@ function activitypub_get_attachments($bo_table, $wr_id) {
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return $attachments;
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}
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function activitypub_http_post($url, $raw_data, $mb, $access_token = '') {
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function activitypub_http_post($url, $rawdata, $mb, $access_token = '') {
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// get digest
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$date = activitypub_build_datetime('now');
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$digest = activitypub_build_digest($raw_data);
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$digest = activitypub_build_digest($rawdata);
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// build the headers
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$headers = array(
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"Date" => $date,
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"Digest" => $digest,
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"Content-Type" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"",
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"Accept" => "application/activity+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"",
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);
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// build the signature
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$signature = activitypub_build_signature($url, $date, $digest, $mb, "POST");
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$signature = activitypub_build_signature($url, $date, $digest, $mb);
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$headers["Signature"] = $signature;
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// set access token
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@ -461,12 +473,18 @@ function activitypub_http_post($url, $raw_data, $mb, $access_token = '') {
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CURLOPT_SSL_VERIFYPEER => false,
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CURLOPT_CONNECTTIMEOUT => 10,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POSTFIELDS => $raw_data,
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CURLOPT_POSTFIELDS => $rawdata,
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CURLOPT_POST => true
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));
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$response = curl_exec($ch);
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$errno = curl_errno($ch);
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curl_close($ch);
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// 전송 오류가 있었을 시 쪽지로 알림
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if ($errno) {
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activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "[경고] 메시지 전송 중 오류가 발생함. 오류 번호: " . $errno);
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}
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return activitypub_json_decode($response, true);
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}
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@ -650,6 +668,9 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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// 수신자/내용 생성
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$to = array_merge(activitypub_cast_to_array(NAMESPACE_ACTIVITYSTREAMS_PUBLIC), $_added_to);
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$cc = array(); // 참조자
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$tag = array(); // 태그
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$endpoints = array();
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$content = "";
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foreach($terms as $term_ctx) {
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switch ($term_ctx['type']) {
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@ -681,7 +702,7 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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// WebFinger 정보 수신을 못한 경우, 쪽지로 알리고 아무 작업도 하지 않음
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if (empty($webfigner_ctx['subject'])) {
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activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "[발송실패] 수신자를 찾을 수 없음: " . $account);
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activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "[발송실패] 수신자를 찾을 수 없음: @" . $account);
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break;
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}
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@ -689,7 +710,14 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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$webfigner_links = $webfigner_ctx['links'];
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foreach($webfigner_links as $link) {
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if ($link['rel'] == "self" && $link['type'] == "application/activity+json") {
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array_push($to, $link['href']); // 수신자에 반영
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// 태그 목록에 추가
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array_push($tag, array(
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"type" => "Mention",
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"href" => $link['href'],
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"name" => '@' . $account
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));
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array_push($cc, $link['href']); // 참조자 목록에 추가
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array_push($endpoints, $link['href']); // 글을 전송할 엔드포인트(URL)에 반영
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}
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}
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}
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@ -703,11 +731,17 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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// 위치정보가 활성화되어 있으면
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if (ACTIVITYPUB_ENABLED_GEOLOCATION) {
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$object = array_merge($_added_object, array(
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$_added_object = array_merge($_added_object, array(
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"location" => $location_ctx
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));
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}
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// 참조자, 태그 추가
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$_added_object = array_merge($_added_object, array(
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"cc" => $cc,
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"tag" => $tag
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));
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// 전문 생성
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$object = activitypub_build_note($content, $object_id, $mb, $_added_object);
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@ -728,23 +762,20 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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// 보낼 전문을 인코딩
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$rawdata = activitypub_json_encode($data);
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// 수신자 작업
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foreach($to as $_to) {
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// 공개 네임스페이스인 경우 건너뛰기
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if ($_to == NAMESPACE_ACTIVITYSTREAMS_PUBLIC) continue;
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// 수신자 엔드포인트(URL) 작업
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foreach($endpoints as $endpoint) {
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// 수신자 정보 조회
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$remote_user_ctx = activitypub_http_get($_to);
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$remote_account_ctx = activitypub_http_get($endpoint);
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// inbox 주소 찾기
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$remote_inbox_url = $remote_user_ctx['inbox'];
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$remote_inbox_url = $remote_account_ctx['inbox'];
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if (empty($remote_inbox_url)) {
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$remote_inbox_url = $remote_user_ctx['endpoints']['sharedInbox'];
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$remote_inbox_url = $remote_account_ctx['endpoints']['sharedInbox'];
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}
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// inbox 주소가 없으면 건너뛰기
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if (empty($remote_inbox_url)) {
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activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "Could not find the inbox of " . $_to);
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activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "이 사용자 또는 서버는 메시지를 수신할 수 없는 상태임: " . $_to);
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continue;
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}
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@ -759,7 +790,7 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
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}
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// inbox로 데이터 전송
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$response = activitypub_http_post($remote_inbox_url, $rawdata, $mb, $access_token);
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activitypub_http_post($remote_inbox_url, $rawdata, $mb, $access_token);
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}
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// 발행됨(Published)으로 상태 업데이트
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@ -1674,7 +1705,7 @@ switch ($route) {
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_GNUBOARD_ActivityPub::close();
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break;
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case "oauth2.authorize": // TODO
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case "oauth2.authorize": // To be implement
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_GNUBOARD_ActivityPub::open();
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echo _GNUBOARD_ActivityPub::authorize();
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_GNUBOARD_ActivityPub::close();
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