gnuboard5-activitypub/extend/activitypub.extend.php

1369 lines
52 KiB
PHP

<?php
if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
// ActivityPub implementation for GNUBOARD 5
// Go Namhyeon <gnh1201@gmail.com>
// MIT License
// 2022-09-28 (version 0.1.14-dev)
// References:
// * https://www.w3.org/TR/activitypub/
// * https://www.w3.org/TR/activitystreams-core/
// * https://www.w3.org/TR/activitystreams-vocabulary/
// * https://github.com/w3c/activitypub/issues/194
// * https://docs.joinmastodon.org/spec/webfinger/
// * https://organicdesign.nz/ActivityPub_Code
// * https://socialhub.activitypub.rocks/t/posting-to-pleroma-inbox/1184
// * https://github.com/broidHQ/integrations/tree/master/broid-schemas#readme
// * https://github.com/autogestion/pubgate-telegram
define("ACTIVITYPUB_INSTANCE_ID", md5_file(G5_DATA_PATH . "/dbconfig.php"));
define("ACTIVITYPUB_INSTANCE_VERSION", "0.1.14-dev");
define("ACTIVITYPUB_HOST", (empty(G5_DOMAIN) ? $_SERVER['HTTP_HOST'] : G5_DOMAIN));
define("ACTIVITYPUB_URL", (empty(G5_URL) ? "http://" . ACTIVITYPUB_INSTANCE_ID . ".local" : G5_URL));
define("ACTIVITYPUB_DATA_URL", ACTIVITYPUB_URL . '/' . G5_DATA_DIR);
define("ACTIVITYPUB_G5_BOARDNAME", "apstreams");
define("ACTIVITYPUB_G5_TABLENAME", $g5['write_prefix'] . ACTIVITYPUB_G5_BOARDNAME);
define("ACTIVITYPUB_G5_USERNAME", "apstreams");
define("ACTIVITYPUB_G5_NEW_DAYS", (empty($config['cf_new_del']) ? 30 : $config['cf_new_del']));
define("ACTIVITYPUB_ACCESS_TOKEN", "server1.example.org=xxuPtHDkMgYQfcy9; server2.example.org=PC6ujkjQXhL6lUtS;");
define("NAMESPACE_ACTIVITYSTREAMS", "https://www.w3.org/ns/activitystreams");
define("NAMESPACE_ACTIVITYSTREAMS_PUBLIC", "https://www.w3.org/ns/activitystreams#Public");
define("ACTIVITYPUB_ENABLED_GEOLOCATION", false); // 위치정보 활성화 (https://lite.ip2location.com/)
define("NAVERCLOUD_ENABLED_GEOLOCATION", false); // 국내용 위치정보 활성화 (https://www.ncloud.com/product/applicationService/geoLocation)
define("NAVERCLOUD_API_ACCESS_KEY", ""); // 네이버 클라우드 API 키 설정
define("NAVERCLOUD_API_SECRET_KEY", ""); // 네이버 클라우드 API 키 설정
define("OPENWEATHERMAP_ENABLED", false); // 날씨정보 활성화
define("OPENWEATHERMAP_API_KEY", ""); // 날씨정보 API 키 (https://openweathermap.org/api/one-call-3)
define("KOREAEXIM_ENABLED", false); // 환율정보 활성화
define("KOREAEXIM_API_KEY", ""); // 환율정보 API 키 (https://www.koreaexim.go.kr/ir/HPHKIR020M01?apino=2&viewtype=C)
$activitypub_loaded_libraries = array();
function activitypub_load_library($name, $callback) {
global $activitypub_loaded_libraries;
$_ = array(
"ip2location" => array(
G5_LIB_PATH . "/IP2Location-PHP-Module/src/Country.php",
G5_LIB_PATH . "/IP2Location-PHP-Module/src/Database.php",
G5_LIB_PATH . "/IP2Location-PHP-Module/src/IpTools.php"
)
);
foreach($_[$name] as $f) {
if (file_exists($f)) include($f);
}
array_push($activitypub_loaded_libraries, array(
"name" => $name,
"files" => $_[$name],
"data" => call_user_func($callback)
));
}
function activitypub_get_library_data($name) {
global $activitypub_loaded_libraries;
$data = null;
foreach($activitypub_loaded_libraries as $library) {
if($library['name'] == $name) {
$data = $library['data'];
break;
}
}
return $data;
}
function activitypub_json_encode($arr) {
return json_encode($arr);
}
function activitypub_json_decode($arr) {
return json_decode($arr, true);
}
function activitypub_get_access_tokens() {
$_access_tokens = array();
$terms = array_filter(array_map("trim", explode(";", ACTIVITYPUB_ACCESS_TOKEN)));
foreach($terms as $term) {
list($k, $v) = explode('=', $term);
$_access_tokens[$k] = $v;
}
return $_access_tokens;
};
function activitypub_get_url($action, $params = array()) {
if (count(array_keys($params)) > 0) {
return ACTIVITYPUB_URL . "/?route=activitypub." . $action . "&" . http_build_query($params);
} else {
return ACTIVITYPUB_URL . "/?route=activitypub." . $action;
}
}
function activitypub_get_icon($mb) {
global $config;
$icon_file_url = "";
if ($config['cf_use_member_icon']) {
$mb_dir = substr($mb['mb_id'], 0, 2);
$icon_file = G5_DATA_PATH . '/member/' . $mb_dir . '/' . get_mb_icon_name($mb['mb_id']).'.gif';
if (file_exists($icon_file)) {
$icon_filemtile = (defined('G5_USE_MEMBER_IMAGE_FILETIME') && G5_USE_MEMBER_IMAGE_FILETIME) ? '?'.filemtime($icon_file) : '';
$icon_file_url = ACTIVITYPUB_DATA_URL . '/member/' . $mb_dir . '/' . get_mb_icon_name($mb['mb_id']) . '.gif' . $icon_filemtile;
}
}
if (empty($icon_file_url)) {
$icon_file_url = "https://www.gravatar.com/avatar/" . md5($mb['mb_email']);
}
return $icon_file_url;
}
function activitypub_get_user_interactions() {
global $g5;
// 반환할 배열
$items = array();
// 최근 활동에서 추출
$sql = "select * from " . $g5['board_new_table'];
$result = sql_query($sql);
while ($row = sql_fetch_array($result)) {
$sql2 = "select mb_id from " . ($g5['write_prefix'] . $row['bo_table']) . " where wr_id = '" . $row['wr_id'] . "'";
$row2 = sql_fetch($sql2);
if ($row2['mb_id']) {
array_push($items, array("from" => $row['mb_id'], "to" => $row2['mb_id']));
}
}
// '좋아요'에서 추출
$sql = "select bo_table, wr_id, mb_id from {$g5['board_good_table']} where bg_flag = 'good'";
$result = sql_query($sql);
while ($row = sql_fetch_array($result)) {
$sql2 = "select mb_id from " . ($g5['write_prefix'] . $row['bo_table']) . " where wr_id = '" . $row['wr_id'] . "'";
$row2 = sql_fetch($sql2);
if ($row2['mb_id']) {
array_push($items, array("from" => $row['mb_id'], "to" => $row2['mb_id']));
}
}
return $items;
}
function activitypub_get_followers($mb) {
$followers = array();
if ($mb['mb_id']) {
$linked_users = activitypub_get_user_interactions();
foreach($linked_users as $item) {
if ($item['to'] == $mb['mb_id'] && $item['from'] != $mb['mb_id']) {
array_push($followers, $item['from']);
}
}
$followers = array_unique($followers);
}
return $followers;
}
function activitypub_get_following($mb) {
$following = array();
if ($mb['mb_id']) {
$linked_users = activitypub_get_user_interactions();
foreach($linked_users as $item) {
if ($item['from'] == $mb['mb_id'] && $item['to'] != $mb['mb_id']) {
array_push($following, $item['to']);
}
}
$following = array_unique($following);
}
return $following;
}
function activitypub_parse_url($url) {
$ctx = parse_url($url);
$qstr = $ctx['query'];
parse_str($qstr, $qctx);
$ctx['query'] = $qctx;
return $ctx;
}
function activitypub_add_memo($mb_id, $recv_mb_id, $me_memo) {
global $g5;
$tmp_row = sql_fetch(" select max(me_id) as max_me_id from {$g5['memo_table']} ");
$me_id = $tmp_row['max_me_id'] + 1;
$sql = " insert into {$g5['memo_table']} ( me_recv_mb_id, me_send_mb_id, me_send_datetime, me_memo, me_read_datetime, me_type, me_send_ip ) values ( '$recv_mb_id', '$mb_id', '".G5_TIME_YMDHIS."', '$me_memo', '0000-00-00 00:00:00' , 'recv', '{$_SERVER['REMOTE_ADDR']}' ) ";
sql_query($sql);
return ($me_id == sql_insert_id());
}
function activitypub_set_liked($good, $bo_table, $wr_id) {
global $g5;
// 추천(찬성), 비추천(반대) 카운트 증가
sql_query(" update {$g5['write_prefix']}{$bo_table} set wr_{$good} = wr_{$good} + 1 where wr_id = '{$wr_id}' ");
// 내역 생성
sql_query(" insert {$g5['board_good_table']} set bo_table = '{$bo_table}', wr_id = '{$wr_id}', mb_id = '" . ACTIVITYPUB_G5_USERNAME . "', bg_flag = '{$good}', bg_datetime = '" . G5_TIME_YMDHIS . "' ");
}
function activitypub_build_http_headers($headers) {
$lines = array();
foreach($headers as $k=>$v) {
array_push($lines, $k . ": " . $v);
}
return $lines;
}
function activitypub_http_get($url, $access_token = '') {
$headers = array("Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"");
if (!empty($access_token)) {
$headers["Authorization"] = "Bearer " . $access_token;
}
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $url,
CURLOPT_HTTPHEADER => activitypub_build_http_headers($headers),
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_RETURNTRANSFER => true
));
$response = curl_exec($ch);
curl_close($ch);
return activitypub_json_decode($response, true);
}
function activitypub_get_attachments($bo_table, $wr_id) {
global $g5;
$attachments = array();
$sql = "select bf_file, bf_content, bf_type from {$g5['board_file_table']} where bo_table = '$bo_table' and wr_id = '$wr_id'";
$result = sql_query($sql);
while ($row = sql_fetch_array($result)) {
array_push($attachments, array(
"type" => ($row['bf_type'] > 0 ? "Image" : "File"),
"content" => $row['bf_content'],
"url" => G5_DATA_URL . "/file/" . $bo_table . "/" . $row['bf_file']
));
}
return $attachments;
}
function activitypub_http_post($url, $rawdata, $access_token = '') {
$headers = array("Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"");
if (!empty($access_token)) {
$headers["Authorization"] = "Bearer " . $access_token;
}
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $url,
CURLOPT_HTTPHEADER => activitypub_build_http_headers($headers),
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POSTFIELDS => $rawdata,
CURLOPT_POST => true
));
$response = curl_exec($ch);
curl_close($ch);
return activitypub_json_decode($response, true);
}
function navercloud_get_geolocation($ip) {
$params = array(
"ip" => $ip,
"enc" => "utf8",
"ext" => "t",
"responseFormatType" => "json"
);
$timestamp = floor(microtime(true) * 1000);
$uri = "/geolocation/v2/geoLocation?" . http_build_query($params);
$endpoint_url = "https://geolocation.apigw.ntruss.com" . $uri;
$message = "GET " . $uri . "\n" . $timestamp . "\n" . NAVERCLOUD_API_ACCESS_KEY;
$sig = base64_encode(hash_hmac("sha256", $message, NAVERCLOUD_API_SECRET_KEY, true));
$headers = activitypub_build_http_headers(array(
"x-ncp-apigw-timestamp" => $timestamp,
"x-ncp-iam-access-key" => NAVERCLOUD_API_ACCESS_KEY,
"x-ncp-apigw-signature-v2" => $sig
));
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $endpoint_url,
CURLOPT_HTTPHEADER => $headers,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_RETURNTRANSFER => true
));
$response = curl_exec($ch);
curl_close($ch);
return activitypub_json_decode($response);
}
function openweathermap_get_data($args = array("longitude" => "", "latitude" => "")) {
$params = array(
"lat" => $args['latitude'],
"lon" => $args['longitude'],
"exclude" => "",
"appid" => OPENWEATHERMAP_API_KEY
);
$url = "https://api.openweathermap.org/data/3.0/onecall?" . http_build_query($params);
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $url,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_RETURNTRANSFER => true
));
$response = curl_exec($ch);
curl_close($ch);
return activitypub_json_decode($response);
}
function koreaexim_get_exchange_data() {
$data = array();
$_fval = function($s) {
return floatval(preg_replace('/\.(?=.*\.)/', '', str_replace(",",".", $s)));
};
$params = array(
"authkey" => KOREAEXIM_API_KEY,
//"searchdate" => "20180102",
"data" => "AP01"
);
$url = "https://www.koreaexim.go.kr/site/program/financial/exchangeJSON?" . http_build_query($params);
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => $url,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_CONNECTTIMEOUT => 10,
CURLOPT_RETURNTRANSFER => true
));
$response = curl_exec($ch);
curl_close($ch);
$items = activitypub_json_decode($response);
$KRW = array();
foreach($items as $item) {
if ($item['result'] === 1) {
$KRW[$item['cur_unit']] = round(($_fval($item['ttb']) + $_fval($item['tts'])) / 2.0, 2);
}
}
$data['KRW'] = $KRW;
return $data;
}
function activitypub_publish_content($content, $object_id, $mb, $_added_object = array(), $_added_to = array()) {
// 위치정보를 사용하는 경우 모듈 로드
$location_ctx = array();
if (ACTIVITYPUB_ENABLED_GEOLOCATION) {
// 위치 정보 확인
$ip2location_library_data = activitypub_get_library_data("ip2location");
// 조회해둔 위치 정보가 없다면 새로 조회
if (!isset($ip2location_library_data['records'])) {
activitypub_load_library("ip2location", function() {
$db = new \IP2Location\Database(G5_DATA_PATH . '/IP2LOCATION-LITE-DB11.BIN', \IP2Location\Database::FILE_IO);
$records = $db->lookup($_SERVER['REMOTE_ADDR'], \IP2Location\Database::ALL);
return array("db" => $db, "records" => $records);
});
$ip2location_library_data = activitypub_get_library_data("ip2location");
}
// 위치정보 불러오기
$records = $ip2location_library_data['records'];
// 국내 위치 확인
if (NAVERCLOUD_ENABLED_GEOLOCATION) {
if ($records['countryCode'] == "KR") {
// 국내 위치정보 요청
$response = navercloud_get_geolocation($records['ipAddress']);
// 정상적으로 반환된 경우
if ($response['returnCode'] === 0) {
$records['cityName'] = implode(", ", array(
implode(" ", array(
$response['geoLocation']['r1'],
$response['geoLocation']['r2'],
$response['geoLocation']['r3'],
"(" . $response['geoLocation']['net'] . ")"
)),
$records['cityName']
));
$records['longitude'] = $response['geoLocation']['long'];
$records['latitude'] = $response['geoLocation']['lat'];
}
}
}
// 위치정보 전문 작성
$location_ctx = array(
"name" => implode(", ", array(
$records['ipAddress'],
$records['cityName'],
$records['regionName'],
$records['countryName'],
$records['countryCode'],
$records['zipCode'],
$records['timeZone']
)),
"type" => "Place",
"longitude" => $records['longitude'],
"latitude" => $records['latitude'],
"units" => "m",
);
// 날씨 정보가 활성화되어 있으면
if (OPENWEATHERMAP_ENABLED) {
$response = openweathermap_get_data(array(
"longitude" => $records['longitude'],
"latitude" => $records['latitude']
));
if (isset($response['current'])) {
$location_ctx = array_merge($location_ctx, array(
"_weather" => $response['current']
));
}
}
// 환율 정보가 활성화되어 있으면
if (KOREAEXIM_ENABLED) {
if ($records['countryCode'] == "KR") {
$location_ctx = array_merge($location_ctx, array(
"_exchange" => koreaexim_get_exchange_data()
));
}
}
}
// 컨텐츠 파싱
$terms = activitypub_parse_content($content);
// 수신자/내용 생성
$to = array_merge(array(NAMESPACE_ACTIVITYSTREAMS_PUBLIC), $_added_to);
$content = "";
foreach($terms as $term_ctx) {
switch ($term_ctx['type']) {
case "account":
// WebFinger 정보 수신
$account = substr($term_ctx['value'], 1);
$account_terms = explode('@', $account);
$account_ctx = array("username" => $account_terms[0], "host" => $account_terms[1]);
if (!empty($account_ctx['host'])) {
// 공통 WebFinger에 연결
$webfigner_ctx = activitypub_http_get("http://" . $account_ctx['host'] . "/.well-known/webfinger?resource=acct:" . $account);
// 실패시, 그누5 전용 WebFinger에 연결
if ($webfigner_ctx['subject'] != ("acct:" . $account)) {
$webfigner_ctx = activitypub_http_get("http://" . $account_ctx['host'] . "/?route=webfinger&resource=acct:" . $account);
}
// 한번 더 확인
if ($webfigner_ctx['subject'] != ("acct:" . $account)) break;
// 받은 요청으로 처리
$webfigner_links = $webfigner_ctx['links'];
foreach($webfigner_links as $link) {
if ($link['rel'] == "self" && $link['type'] == "application/activity+json") {
array_push($to, $link['href']); // 수신자에 반영
}
}
}
break;
case "fulltext":
$content = $term_ctx['value'];
break;
}
}
// 전문 생성 시작
$object = array(
"type" => "Note",
"generator" => "GNUBOARD5 ActivityPub Plugin (INSTANCE_ID: " . ACTIVITYPUB_INSTANCE_ID . ", INSTANCE_VERSION: " . ACTIVITYPUB_INSTANCE_VERSION . ")",
"id" => $object_id,
"attributedTo" => activitypub_get_url("user", array("mb_id" => $mb['mb_id'])),
"content" => $content,
"icon" => activitypub_get_icon($mb)
);
// 위치정보가 활성화되어 있으면
if (ACTIVITYPUB_ENABLED_GEOLOCATION) {
$object = array_merge($object, array(
"location" => $location_ctx
));
}
// 전문 생성 완료
$object = array_merge($object, $_added_object);
// 외부로 보낼 전문 생성
$data = array(
"@context" => NAMESPACE_ACTIVITYSTREAMS,
"type" => "Create",
"id" => G5_BBS_URL . "/board.php?bo_table=" . ACTIVITYPUB_G5_BOARDNAME . "#Draft",
"to" => $to,
"actor" => $object['attributedTo'],
"object" => $object
);
// 초안(Draft) 작성
$activity_wr_id = activitypub_update_activity("outbox", $data, $mb, "draft");
$data['id'] = G5_BBS_URL . "/board.php?bo_table=" . ACTIVITYPUB_G5_BOARDNAME . "&wr_id=" . $activity_wr_id;
// 보낼 전문을 인코딩
$rawdata = activitypub_json_encode($data);
// 수신자 작업
foreach($to as $_to) {
// 공개 네임스페이스인 경우 건너뛰기
if ($_to == NAMESPACE_ACTIVITYSTREAMS_PUBLIC) continue;
// 수신자 정보 조회
$remote_user_ctx = activitypub_http_get($_to);
// inbox 주소 찾기
$remote_inbox_url = $remote_user_ctx['inbox'];
if (empty($remote_inbox_url)) {
$remote_inbox_url = $remote_user_ctx['endpoints']['sharedInbox'];
}
// inbox 주소가 없으면 건너뛰기
if (empty($remote_inbox_url)) {
activitypub_add_memo(ACTIVITYPUB_G5_USERNAME, $mb['mb_id'], "Could not find the inbox of " . $_to);
continue;
}
// 엑세스 토큰(Access Token)이 존재하는 목적지인 경우
$access_token = '';
$_access_tokens = activitypub_get_access_tokens();
foreach($_access_tokens as $k=>$v) {
if(strpos($_to, "http://" . $k . "/") !== false || strpos($_to, "https://" . $k . "/") !== false) {
$access_token = $v;
break;
}
}
// inbox로 데이터 전송
$response = activitypub_http_post($remote_inbox_url, $rawdata, $access_token);
}
// 발행됨(Published)으로 상태 업데이트
activitypub_update_activity("outbox", $data, $mb, "published", $activity_wr_id);
return $data;
}
function activitypub_parse_content($content) {
$entities = array();
$pos = -1;
$get_next_position = function ($pos) use ($content) {
try {
return min(array_filter(array(
strpos($content, '@', $pos + 1),
strpos($content, '#', $pos + 1),
strpos($content, 'http://', $pos + 1),
strpos($content, 'https://', $pos + 1)
), "is_numeric"));
} catch (ValueError $e) {
return false;
}
};
$pos = $get_next_position($pos);
while ($pos !== false) {
$end = strpos($content, ' ', $pos + 1);
$expr = "";
if ($end !== false) {
$expr = substr($content, $pos, $end - $pos);
} else {
$expr = substr($content, $pos);
}
// EXAMPLE: @username@server1.example.org
if (substr($expr, 0, 1) == '@' && strpos(substr($expr, 1), '@') !== false) {
array_push($entities, array("type" => "account", "value" => $expr));
} else if (substr($expr, 0, 1) == '#') {
array_push($entities, array("type" => "hashtag", "value" => $expr));
} else if (substr($expr, 0, 4) == 'http') {
array_push($entities, array("type" => "url", "value" => $expr));
}
$pos = $get_next_position($pos);
}
// 전체 텍스트 추가
array_push($entities, array("type" => "fulltext", "value" => $content));
return $entities;
}
function activitypub_update_activity($inbox = "inbox", $data, $mb = array("mb_id" => ACTIVITYPUB_G5_USERNAME), $status = "draft", $wr_id = 0) {
global $g5;
// 게시판 테이블이름
$write_table = ACTIVITYPUB_G5_TABLENAME;
// Activity 초안(Draft)이 없는 경우
if (!($wr_id > 0)) {
// 기본 파라미터
$to = $data['to'];
$object = $data['object'];
$content = $object['content'];
// 공개 설정이 없는 경우 비밀글로 설정
$wr_option = '';
if (!in_array(NAMESPACE_ACTIVITYSTREAMS_PUBLIC, $to))
$wr_option = 'secret';
// 게시글로 등록
$wr_num = get_next_num($write_table);
$wr_reply = '';
$ca_name = $inbox; // Inbox/Outbox
$wr_subject = mb_substr($content, 0, 50);
$wr_seo_title = $content;
$wr_content = $content . "\r\n\r\n[외부에서 전송된 글입니다.]";
$wr_link1 = $data['actor'];
$wr_link2 = '';
$wr_homepage = $data['actor'];
$wr_6 = $data['type']; // Type of Activity
// 수신자 확인
$receivers = array();
foreach($to as $_to) {
// 수신자 주소(URL) 처리
$url_ctx = activitypub_parse_url($_to);
$host = $url_ctx['host'];
$query = $url_ctx['query'];
// 특정 회원이 지목되어 있다면 수신자 추가
if ($host == ACTIVITYPUB_HOST && !empty($query['mb_id'])) {
array_push($receivers, $query['mb_id']);
}
}
$wr_7 = implode(',', $receivers);
// 상태 작업
// * 주어진 임무를 진행하기 전이라면: draft
// * 일을 저지른 뒤라면: published
$wr_8 = $status;
// 게시글로 등록
$sql = "
insert into $write_table
set wr_num = '$wr_num',
wr_reply = '$wr_reply',
wr_comment = 0,
ca_name = '$ca_name',
wr_option = '$wr_option',
wr_subject = '$wr_subject',
wr_content = '$wr_content',
wr_seo_title = '$wr_seo_title',
wr_link1 = '$wr_link1',
wr_link2 = '$wr_link2',
wr_link1_hit = 0,
wr_link2_hit = 0,
wr_hit = 0,
wr_good = 0,
wr_nogood = 0,
mb_id = '{$mb['mb_id']}',
wr_password = '',
wr_name = '{$mb['mb_nick']}',
wr_email = '',
wr_homepage = '$wr_homepage',
wr_datetime = '" . G5_TIME_YMDHIS . "',
wr_last = '" . G5_TIME_YMDHIS . "',
wr_ip = '{$_SERVER['REMOTE_ADDR']}',
wr_1 = '',
wr_2 = '',
wr_3 = '',
wr_4 = '',
wr_5 = '',
wr_6 = '$wr_6',
wr_7 = '$wr_7',
wr_8 = '$wr_8',
wr_9 = '',
wr_10 = ''
";
sql_query($sql);
$wr_id = sql_insert_id();
}
// Activity를 발행됨(published)으로 상태를 업데이트하는 경우
if ($status == "published") {
// 저장 전 데이터 처리
$now_utc_tz = str_replace('+00:00', 'Z', gmdate('c'));
$data['published'] = $now_utc_tz;
$data['updated'] = $now_utc_tz;
// 요청 전문은 파일로 저장
$raw_context = activitypub_json_encode($data);
$filename = md5($raw_context) . ".json";
$filepath = G5_DATA_PATH . "/file/" . ACTIVITYPUB_G5_BOARDNAME . "/" . $filename;
$result = file_put_contents($filepath, $raw_context);
if ($result !== false) {
$bf_source = $filename;
$bf_file = $filename;
$bf_content = "application/activity+json";
$bf_filesize = strlen($raw_context);
$sql = " insert into {$g5['board_file_table']}
set bo_table = '" . ACTIVITYPUB_G5_BOARDNAME . "',
wr_id = '{$wr_id}',
bf_no = 0,
bf_source = '{$bf_source}',
bf_file = '{$bf_file}',
bf_content = '{$bf_content}',
bf_fileurl = '',
bf_thumburl = '',
bf_storage = '',
bf_download = 0,
bf_filesize = '{$bf_filesize}',
bf_width = 0,
bf_height = 0,
bf_type = 0,
bf_datetime = '" . G5_TIME_YMDHIS . "' ";
sql_query($sql);
$sql = "update $write_table set wr_file = 1 where wr_id = '{$wr_id}'";
sql_query($sql);
}
// 상태 업데이트
$sql = "update $write_table set wr_8 = 'published' where wr_id = '$wr_id'";
sql_query($sql);
}
return $wr_id;
}
function activitypub_build_collection($items, $summary = '') {
return array(
"@context" => NAMESPACE_ACTIVITYSTREAMS,
"summary" => $summary,
"type" => "Collection",
"totalItems" => count($items),
"items" => $items,
"updated" => str_replace('+00:00', 'Z', gmdate('c'))
);
}
function activitypub_get_objects($inbox = "inbox", $mb_id = '') {
global $g5;
$items = array();
// 정보 불러오기
$sql = "";
if(empty($mb_id)) {
$sql = "select wr_id from " . ACTIVITYPUB_G5_TABLENAME . "
where ca_name = '$inbox'
and DATE(wr_datetime) BETWEEN CURDATE() - INTERVAL " . ACTIVITYPUB_G5_NEW_DAYS . " DAY AND CURDATE()
";
} else {
$sql = "select wr_id from " . ACTIVITYPUB_G5_TABLENAME . "
where ca_name = '$inbox'
and FIND_IN_SET('$mb_id', wr_7) > 0
and DATE(wr_datetime) BETWEEN CURDATE() - INTERVAL " . ACTIVITYPUB_G5_NEW_DAYS . " DAY AND CURDATE()
";
}
$result = sql_query($sql);
// 정보 조회 후 처리
while ($row = sql_fetch_array($result)) {
$sql2 = "select * from {$g5['board_file_table']}
where bo_table = '" . ACTIVITYPUB_G5_BOARDNAME . "' and wr_id = '{$row['wr_id']}' and bf_content = 'application/activity+json'";
$result2 = sql_query($sql2);
while ($row2 = sql_fetch_array($result2)) {
$filename = $row2['bf_file'];
$filepath = G5_DATA_PATH . "/file/" . ACTIVITYPUB_G5_BOARDNAME . "/" . $filename;
if(file_exists($filepath)) {
array_push($items, activitypub_json_decode(file_get_contents($filepath))['object']);
}
}
}
// 전문 만들기
return activitypub_build_collection($items);
}
class _GNUBOARD_ActivityPub {
public static function open() {
header("Content-Type: application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"");
}
public static function webfinger() {
$params = array(
"resource" => $_GET['resource']
);
if (empty($params['resource'])) {
return activitypub_json_encode(array("message" => "Resource could not be empty"));
}
$resource = $params['resource'];
$resource_type = '';
$resource_value = '';
$pos = strpos($resource, ':');
if ($pos !== false) {
$resource_type = substr($resource, 0, $pos);
$resource_value = substr($resource, $pos + 1);
}
switch($resource_type) {
case "acct":
// 값 분리
list($username, $host) = explode('@', $resource_value);
// 호스트가 일치하지 않는 경우
if ($host != ACTIVITYPUB_HOST) {
return activitypub_json_encode(array("message" => "Invalid host"));
}
// 회원 정보 확인
$mb = get_member($username);
if (empty($mb['mb_id'])) {
return activitypub_json_encode(array("message" => "Not registered user"));
}
// 응답 본문 생성
$context = array(
"subject" => $params['resource'],
"aliases" => array(
activitypub_get_url("user", array("mb_id" => $mb['mb_id']))
),
"links" => array(
array(
"rel" => "http://webfinger.net/rel/profile-page",
"type" => "text/html",
"href" => G5_BBS_URL . "/profile.php?mb_id=" . $mb['mb_id']
),
array(
"rel" => "self",
"type" => "application/activity+json",
"href" => activitypub_get_url("user", array("mb_id" => $mb['mb_id']))
),
/*
array(
"rel" => "http://ostatus.org/schema/1.0/subscribe",
"href" => activitypub_get_url("ostatus", array("mb_id" => $mb['mb_id'], "uri" => "{uri}"))
)
*/
)
);
// 응답 본문 출력
return activitypub_json_encode($context);
break;
case "http":
case "https":
return activitypub_json_encode(array("message" => "Not implemented"));
break;
default:
return activitypub_json_encode(array("message" => "Not supported resource type"));
break;
}
}
public static function user() {
$mb = get_member($_GET['mb_id']);
if (!$mb['mb_id']) {
return activitypub_json_encode(array("message" => "Could not find the user"));
}
$context = array(
"@context" => array(NAMESPACE_ACTIVITYSTREAMS, array("@language" => "ko")),
"type" => "Person",
"id" => activitypub_get_url("user", array("mb_id" => $mb['mb_id'])),
"name" => $mb['mb_name'],
"preferredUsername" => $mb['mb_nick'],
"summary" => $mb['mb_profile'],
"inbox" => activitypub_get_url("inbox", array("mb_id" => $mb['mb_id'])),
"outbox" => activitypub_get_url("outbox", array("mb_id" => $mb['mb_id'])),
"followers" => activitypub_get_url("followers", array("mb_id" => $mb['mb_id'])),
"following" => activitypub_get_url("following", array("mb_id" => $mb['mb_id'])),
"liked" => activitypub_get_url("liked", array("mb_id" => $mb['mb_id'])),
"icon" => array(
activitypub_get_icon($mb)
),
"endpoints" => array(
"sharedInbox" => activitypub_get_url("inbox")
)
);
return activitypub_json_encode($context);
}
public static function inbox() {
// HTTP 요청 유형에 따라 작업
switch ($_SERVER['REQUEST_METHOD']) {
case "POST":
// 개인에게 보낸 메시지는 쪽지에 저장
// 공개(Public) 설정한 메시지는 ACTIVITYPUB_G5_TABLENAME에 저장
$data = activitypub_json_decode(file_get_contents("php://input"), true);
if (empty($data['@context'])) {
return activitypub_json_encode(array("message" => "This is a broken context"));
}
if ($data['@context'] != NAMESPACE_ACTIVITYSTREAMS) {
return activitypub_json_encode(array("message" => "This is not an ActivityStreams request"));
}
// 컨텐츠 변수 정의
$content = '';
// 컨텐츠 처리
if (!empty($data['type'])) {
// 정보 불러오기
$mb = get_member(ACTIVITYPUB_G5_USERNAME);
// 수신자 확인
$to = $data['to'];
// 원글 정보 확인
$object = $data['object'];
// 타입 별 해야될 일 지정
switch ($data['type']) {
case "Create":
// 스트링 및 오브젝트 타입을 모두 호환하도록 설정
if (is_string($object))
$object = array("id" => $object);
// 컨텐츠가 비어있는 경우
if (empty($object['content']))
$object['content'] = "[NO CONTENT]";
// 수신된 내용 등록
$activity_wr_id = activitypub_update_activity("inbox", $data, $mb, "published");
// 컨텐츠 설정
$bo = get_board_db(ACTIVITYPUB_G5_BOARDNAME, true);
$content = sprintf("%s\r\n\r\n[외부에서 전송된 글입니다. 자세한 내용은 %s#%s 글을 확인하세요.]", $object['content'], $bo['bo_subject'], $activity_wr_id);
// 답글인지 확인
if (!empty($object['inReplyTo'])) {
// 답글 정보 확인
$query = activitypub_parse_url($object['inReplyTo'])['query'];
// 특정 글이 지목되어 있을 때 -> 댓글로 작성
if (!empty($query['bo_table']) && !empty($query['wr_id'])) {
$wr_id = $query['wr_id'];
$write_table = $g5['write_prefix'] . $query['bo_table'];
$wr = get_write($write_table, $wr_id);
// 글이 존재하는 경우
if (!empty($wr['wr_id'])) {
$mb = get_member(ACTIVITYPUB_G5_USERNAME);
$wr_homepage = $data['actor'];
$sql = "
insert into $write_table
set ca_name = '{$wr['ca_name']}',
wr_option = '',
wr_num = '{$wr['wr_num']}',
wr_reply = '',
wr_parent = '{$wr['wr_id']}',
wr_is_comment = 1,
wr_comment = '',
wr_comment_reply = '',
wr_subject = '',
wr_content = '$content',
mb_id = '{$mb['mb_id']}',
wr_password = '',
wr_name = '{$mb['mb_nick']}',
wr_email = '',
wr_homepage = '$wr_homepage',
wr_datetime = '" . G5_TIME_YMDHIS . "',
wr_last = '',
wr_ip = '{$_SERVER['REMOTE_ADDR']}',
wr_1 = '',
wr_2 = '',
wr_3 = '',
wr_4 = '',
wr_5 = '',
wr_6 = '',
wr_7 = '',
wr_8 = '',
wr_9 = '',
wr_10 = ''
";
sql_query($sql);
}
// 원글이 삭제된 경우
else {
return activitypub_json_encode(array("message" => "Could not find the original message"));
}
}
}
break;
case "Like":
// 스트링 및 오브젝트 타입을 모두 호환하도록 설정
if (is_string($object))
$object = array("id" => $object);
// object 처리
$url_ctx = activitypub_parse_url($object['id']);
$host = $url_ctx['host'];
$query = $url_ctx['query'];
// 원글을 특정한 경우
if ($host == ACTIVITYPUB_HOST && !empty($query['bo_table']) && !empty($query['wr_id'])) {
$wr_id = $query['wr_id'];
$write_table = G5_TABLE_PREFIX . $query['bo_table'];
$wr = get_write($write_table, $wr_id);
$bo = get_board_db(ACTIVITYPUB_G5_BOARDNAME, true);
// 원글이 존재하는 경우
if (!empty($wr['wr_id'])) {
activitypub_set_liked("good", $query['bo_table'], $wr['wr_id']);
}
// 원글이 삭제된 경우
else {
return activitypub_json_encode(array("message" => "Could not find the original message"));
}
}
// 특정하지 않은 경우
else {
return activitypub_json_encode(array("message" => "Could not specify the original message"));
}
// 보낼 내용 설정
$content = sprintf(
"아래 사용자가 %s #%s 글을 추천하였습니다.\r\n\r\n%s",
$bo['bo_subject'],
$wr['wr_id'],
$data['actor']
);
break;
case "Dislike":
// 스트링 및 오브젝트 타입을 모두 호환하도록 설정
if (is_string($object))
$object = array("id" => $object);
// object 처리
$url_ctx = activitypub_parse_url($object['id']);
$host = $url_ctx['host'];
$query = $url_ctx['query'];
// 원글을 특정한 경우
if ($host == ACTIVITYPUB_HOST && !empty($query['bo_table']) && !empty($query['wr_id'])) {
$wr_id = $query['wr_id'];
$write_table = G5_TABLE_PREFIX . $query['bo_table'];
$wr = get_write($write_table, $wr_id);
$bo = get_board_db(ACTIVITYPUB_G5_BOARDNAME, true);
// 원글이 존재하는 경우
if (!empty($wr['wr_id'])) {
activitypub_set_liked("nogood", $query['bo_table'], $wr['wr_id']);
}
// 원글이 삭제된 경우
else {
return activitypub_json_encode(array("message" => "Could not find the original message"));
}
}
// 특정하지 않은 경우
else {
return activitypub_json_encode(array("message" => "Could not specify the original message"));
}
// 보낼 내용 설정
$content = sprintf(
"아래 사용자가 %s #%s 글을 비추천하였습니다.\r\n\r\n%s",
$bo['bo_subject'],
$wr['wr_id'],
$data['actor']
);
break;
default:
return activitypub_json_encode(array("message" => "This is not implemented type"));
}
// 받을사람(수신자) 처리
foreach($to as $_to) {
// 수신자 주소(URL) 처리
$url_ctx = activitypub_parse_url($_to);
$host = $url_ctx['host'];
$query = $url_ctx['query'];
// 특정 회원이 지목되어 있다면 쪽지를 보냄
if ($host == ACTIVITYPUB_HOST && !empty($query['mb_id'])) {
switch ($query['route']) {
case "activitypub.user":
activitypub_add_memo($mb['mb_id'], $query['mb_id'], $content);
break;
case "activitypub.followers":
$followers = activitypub_get_followers($mb);
foreach($followers as $_mb_id) {
activitypub_add_memo($mb['mb_id'], $_mb_id, $content);
}
break;
case "activitypub.following":
$following = activitypub_get_following($mb);
foreach($following as $_mb_id) {
activitypub_add_memo($mb['mb_id'], $_mb_id, $content);
}
break;
}
}
}
}
else {
return activitypub_json_encode(array("message" => "Type could not be an empty"));
}
return activitypub_json_encode(array("message" => "Success"));
case "GET":
$mb = get_member($_GET['mb_id']);
return activitypub_json_encode(activitypub_get_activities("inbox", $mb['mb_id']));
default:
return activitypub_json_encode(array("message" => "Not supported method"));
}
}
public static function outbox() {
// HTTP 요청 유형에 따라 작업
switch ($_SERVER['REQUEST_METHOD']) {
// 규격 문서에서 POST/Outbox에 해당하는 작업은 그누5에선 훅(Hook)으로 작업
case "POST":
return activitypub_json_encode(array(
"message" => "Disallowed method. Please go to " . G5_BBS_URL . "/board.php?bo_table=" . ACTIVITYPUB_G5_BOARDNAME
));
// 가장 최근의 활동을 가져옴
case "GET":
$mb = get_member($_GET['mb_id']);
return activitypub_json_encode(activitypub_get_activities("outbox", $mb['mb_id']));
}
}
public static function followers() {
$mb = get_member($_GET['mb_id']);
return activitypub_json_encode(activitypub_build_collection(activitypub_get_followers($mb), "{$mb['mb_name']}'s followers"));
}
public static function following() {
$mb = get_member($_GET['mb_id']);
return activitypub_json_encode(activitypub_build_collection(activitypub_get_following($mb), "{$mb['mb_name']}'s following"));
}
public static function liked() {
return self::inbox();
}
public static function close() {
exit();
}
}
// 훅(Hook) 등록
function _activitypub_memo_form_update_after($member_list, $str_nick_list, $redirect_url, $me_memo) {
global $member;
// 'apstreams' 계정이 있는지 확인
if (!in_array(ACTIVITYPUB_G5_USERNAME, $member_list['id'])) return;
// 현재 로그인되어 있으면, 로그인된 계정의 정보를 따름
$mb = (isset($member['mb_id']) ? $member : get_member(ACTIVITYPUB_G5_USERNAME));
// 글 전송하기
if (!empty($mb['mb_id'])) {
// 글 전송하기
$data = activitypub_publish_content(
$me_memo,
activitypub_get_url("user", array("mb_id" => $mb['mb_id'])),
$mb
);
}
}
function _activitypub_write_update_after($board, $wr_id, $w, $qstr, $redirect_url) {
global $g5, $member;
// 본문 가져오기
$sql = "select wr_id, wr_content from {$g5['write_prefix']}{$board['bo_table']} where wr_id = '{$wr_id}'";
$row = sql_fetch($sql);
if (empty($row['wr_id'])) return;
// 현재 로그인되어 있으면, 로그인된 계정의 정보를 따름
$mb = (isset($member['mb_id']) ? $member : get_member(ACTIVITYPUB_G5_USERNAME));
// 추가할 오브젝트 속성
$_added_object = array();
// 파일 첨부여부 확인
$attachments = activitypub_get_attachments($board['bo_table'], $wr_id);
if (count($attachments)) {
$_added_object['attachment'] = $attachments; // ActivityPub 표준 용어는 'attachment'
}
// 글 전송하기
if (!empty($mb['mb_id'])) {
$data = activitypub_publish_content(
$row['wr_content'],
G5_BBS_URL . "/board.php?bo_table={$board['bo_table']}&wr_id={$row['wr_id']}",
$mb,
$_added_object
);
}
}
function _activitypub_comment_update_after($board, $wr_id, $w, $qstr, $redirect_url, $comment_id, $reply_array) {
global $g5, $member;
// 본문(댓글) 가져오기
$sql = "select wr_id, wr_content from {$g5['write_prefix']}{$board['bo_table']} where wr_id = '{$wr_id}'";
$row = sql_fetch($sql);
if (empty($row['wr_id'])) return;
// 현재 로그인되어 있으면, 로그인된 계정의 정보를 따름
$mb = (isset($member['mb_id']) ? $member : get_member(ACTIVITYPUB_G5_USERNAME));
// 추가할 오브젝트 속성
$_added_object = array(
"inReplyTo" => G5_BBS_URL . "/board.php?bo_table={$board['bo_table']}&wr_id={$row['wr_id']}"
);
// 파일 첨부여부 확인
$attachments = activitypub_get_attachments($board['bo_table'], $wr_id);
if (count($attachments)) {
$_added_object['attachment'] = $attachments; // ActivityPub 표준 용어는 'attachment'
}
// 글 전송하기
if (!empty($mb['mb_id'])) {
$data = activitypub_publish_content(
$row['wr_content'],
G5_BBS_URL . "/board.php?bo_table={$board['bo_table']}&wr_id={$row['wr_parent']}&c_id=" . $comment_id,
$mb,
$_added_object
);
}
}
add_event("write_update_after", "_activitypub_write_update_after", 0, 5);
add_event("comment_update_after", "_activitypub_comment_update_after", 0, 7);
add_event("memo_form_update_after", "_activitypub_memo_form_update_after", 0, 4);
// 확장 라이브러리 가져오기 (*.activitypub.lib.php)
$tmp = dir(G5_LIB_PATH);
while ($entry = $tmp->read()) {
if (preg_match("/(\.activitypub\.lib\.php)$/i", $entry))
include(G5_LIB_PATH . "/" . $entry);
}
// 모든 준비가 완료되고 작업 시작
$route = array_key_exists("route", $_GET) ? $_GET['route'] : "";
switch ($route) {
// 액펍(ActivityPub)과 웹핑거(WebFinger)는 다른 개념이지만, 여기서는 액펍(ActivityPub) 전용으로 사용한다.
// 액펍(ActivityPub)에서 사용자를 조회하기 전단계에서 이뤄지는 요청이다.
//
// .htaccess에 추가 (추가해야만 그누보드 외 다른 플랫폼과 통신 가능, 그누보드 사이에서만 연결할 경우 필수사항 아님)
//
// <IfModule mod_rewrite.c>
// RewriteEngine on
// RewriteRule ^\.well-known/webfinger /?route=webfinger [QSA,L]
// </IfModule>
//
// Reference: https://wordpress.org/support/topic/htaccess-conflict/
//
case "webfinger":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::webfinger();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.user":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::user();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.inbox":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::inbox();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.outbox":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::outbox();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.followers":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::followers();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.following":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::following();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.liked":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::liked();
_GNUBOARD_ActivityPub::close();
break;
case "activitypub.shares":
_GNUBOARD_ActivityPub::open();
echo _GNUBOARD_ActivityPub::shares();
_GNUBOARD_ActivityPub::close();
break;
}