use Friendica\Model\User;
use Friendica\Model\APContact;
use Friendica\Protocol\ActivityPub;
+use Friendica\Util\DateTimeFormat;
/**
* @brief Implements HTTP Signatures per draft-cavage-http-signatures-07.
$key = $key($sig_block['keyId']);
}
- Logger::log('Got keyID ' . $sig_block['keyId']);
+ Logger::log('Got keyID ' . $sig_block['keyId'], Logger::DEBUG);
if (!$key) {
return $result;
if (preg_match('/algorithm="(.*?)"/ism', $header, $matches)) {
$ret['algorithm'] = $matches[1];
+ } else {
+ $ret['algorithm'] = 'rsa-sha256';
}
if (preg_match('/headers="(.*?)"/ism', $header, $matches)) {
$path = parse_url($target, PHP_URL_PATH);
$digest = 'SHA-256=' . base64_encode(hash('sha256', $content, true));
$content_length = strlen($content);
+ $date = DateTimeFormat::utcNow(DateTimeFormat::HTTP);
- $headers = ['Content-Length: ' . $content_length, 'Digest: ' . $digest, 'Host: ' . $host];
+ $headers = ['Date: ' . $date, 'Content-Length: ' . $content_length, 'Digest: ' . $digest, 'Host: ' . $host];
- $signed_data = "(request-target): post " . $path . "\ncontent-length: " . $content_length . "\ndigest: " . $digest . "\nhost: " . $host;
+ $signed_data = "(request-target): post " . $path . "\ndate: ". $date . "\ncontent-length: " . $content_length . "\ndigest: " . $digest . "\nhost: " . $host;
$signature = base64_encode(Crypto::rsaSign($signed_data, $owner['uprvkey'], 'sha256'));
- $headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",algorithm="rsa-sha256",headers="(request-target) content-length digest host",signature="' . $signature . '"';
+ $headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",algorithm="rsa-sha256",headers="(request-target) date content-length digest host",signature="' . $signature . '"';
$headers[] = 'Content-Type: application/activity+json';
$postResult = Network::post($target, $content, $headers);
$return_code = $postResult->getReturnCode();
- Logger::log('Transmit to ' . $target . ' returned ' . $return_code);
+ Logger::log('Transmit to ' . $target . ' returned ' . $return_code, Logger::DEBUG);
return ($return_code >= 200) && ($return_code <= 299);
}
+ /**
+ * @brief Fetches JSON data for a user
+ *
+ * @param string $request request url
+ * @param integer $uid User id of the requester
+ *
+ * @return array JSON array
+ */
+ public static function fetch($request, $uid)
+ {
+ $owner = User::getOwnerDataById($uid);
+
+ if (!$owner) {
+ return;
+ }
+
+ // Header data that is about to be signed.
+ $host = parse_url($request, PHP_URL_HOST);
+ $path = parse_url($request, PHP_URL_PATH);
+
+ $headers = ['Host: ' . $host];
+
+ $signed_data = "(request-target): get " . $path . "\nhost: " . $host;
+
+ $signature = base64_encode(Crypto::rsaSign($signed_data, $owner['uprvkey'], 'sha256'));
+
+ $headers[] = 'Signature: keyId="' . $owner['url'] . '#main-key' . '",algorithm="rsa-sha256",headers="(request-target) host",signature="' . $signature . '"';
+
+ $headers[] = 'Accept: application/activity+json, application/ld+json';
+
+ $curlResult = Network::curl($request, false, $redirects, ['header' => $headers]);
+ $return_code = $curlResult->getReturnCode();
+
+ Logger::log('Fetched for user ' . $uid . ' from ' . $request . ' returned ' . $return_code, Logger::DEBUG);
+
+ if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
+ return false;
+ }
+
+ $content = json_decode($curlResult->getBody(), true);
+
+ if (empty($content) || !is_array($content)) {
+ return false;
+ }
+
+ return $content;
+ }
+
/**
* @brief Gets a signer from a given HTTP request
*