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Update activitypub.extend.php

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Namhyeon Go 2023-07-11 15:25:00 +09:00 committed by GitHub
parent 76022bc3e1
commit 21b35d489b
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1 changed files with 45 additions and 10 deletions
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extend/activitypub.extend.php
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@ -329,16 +329,45 @@ function activitypub_build_http_headers($headers) {
return $lines;
}
function activitypub_build_date() {
$tz = new DateTimeZone('GMT');
$dt = new DateTime('now', $tz);
return $dt->format('d M Y H:i:s e'); // e.g. 18 Dec 2019 10:08:46 GMT
function activitypub_build_date($dateString='now') {
// e.g. 18 Dec 2019 10:08:46 GMT
$dt = ($dateString == "now" ? new DateTime('now', new DateTimeZone('GMT')) : DateTime::createFromFormat('d M Y H:i:s e', $dateString));
return $dt->format('d M Y H:i:s e');
}
function activitypub_build_digest($body) {
$digest = hash('sha256', $body, true);
$digest = base64_encode($digest);
$digest = 'sha-256=' . $digest;
return $digest;
}
function activitypub_build_signature($url, $date, $digest, $private_key, $mb = null, $method="POST") {
// get host and path from URL
list($host, $path) = array(parse_url($url, PHP_URL_HOST), parse_url($url, PHP_URL_PATH));
// build a key id
$activitypub_user_id = activitypub_get_url("user", array("mb_id" => $mb['mb_id']));
$keyId = $activitypub_user_id . "#main-key";
// build a target data to get signature
$signature = $method . ' ' . $path . "\n" .
'HOST: ' . $host . "\n" .
'Date: ' . $date . "\n" .
'Digest: ' . $digest;
// create a signature
openssl_sign($signature, $signature, $privateKey, OPENSSL_ALGO_SHA256);
$signature = base64_encode($signature);
// create a signature header
return 'keyId="' . $keyId . '",headers="(request-target) host date digest",signature="' . $signature . '"';
}
function activitypub_http_get($url, $access_token = '') {
// build the header
$headers = array(
"Date" => activitypub_build_date(),
"Date" => activitypub_build_date('now'),
"Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\""
);
if (!empty($access_token)) {
@ -379,17 +408,23 @@ function activitypub_get_attachments($bo_table, $wr_id) {
}
function activitypub_http_post($url, $raw_data, $access_token = '', $mb = null) {
// make HTTP header
// get digest
$date = activitypub_build_date('now');
$digest = activitypub_build_digest($raw_data);
// build the headers
$headers = array(
"Date" => activitypub_build_date(),
"Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\""
"Date" => $date,
"Digest" => $digest,
"Accept" => "application/ld+json; profile=\"" . NAMESPACE_ACTIVITYSTREAMS . "\"",
);
if (!empty($access_token)) {
$headers["Authorization"] = "Bearer " . $access_token;
}
list($private_key, $public_key) = activitypub_get_stored_keypair($mb);
// TODO: Add Signature header
// build the signature
$signature = activitypub_build_signature($url, $date, $digest, $private_key, $mb, "POST");
// request
$ch = curl_init();
@ -694,7 +729,7 @@ function activitypub_publish_content($content, $object_id, $mb, $_added_object =
}
// inbox로 데이터 전송
$response = activitypub_http_post($remote_inbox_url, $rawdata, $access_token);
$response = activitypub_http_post($remote_inbox_url, $rawdata, $access_token, $mb);
}
// 발행됨(Published)으로 상태 업데이트