Merge pull request #8770 from annando/probing
Reduced network request when probing
This commit is contained in:
Hypolite Petovan
GitHub
commit
5f43f56f72
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@ -47,6 +47,8 @@ use Friendica\Util\XML;
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*/
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class Probe
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{
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const WEBFINGER = '/.well-known/webfinger?resource={uri}';
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private static $baseurl;
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private static $istimeout;
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@ -207,7 +209,7 @@ class Probe
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return [];
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}
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$lrdd = ['application/jrd+json' => $host_url . '/.well-known/webfinger?resource={uri}'];
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$lrdd = [];
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foreach ($links["xrd"]["link"] as $value => $link) {
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if (!empty($link["@attributes"])) {
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@ -285,65 +287,11 @@ class Probe
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*/
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public static function lrdd(string $uri)
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{
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$lrdd = self::hostMeta($uri);
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$webfinger = null;
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if (is_bool($lrdd)) {
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$data = self::getWebfingerArray($uri);
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if (empty($data)) {
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return [];
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}
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if (!$lrdd) {
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$parts = @parse_url($uri);
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if (!$parts || empty($parts["host"]) || empty($parts["path"])) {
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return [];
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}
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$host = $parts['scheme'] . '://' . $parts["host"];
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if (!empty($parts["port"])) {
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$host .= ':'.$parts["port"];
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}
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$path_parts = explode("/", trim($parts["path"], "/"));
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$nick = array_pop($path_parts);
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do {
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$lrdd = self::hostMeta($host);
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$host .= "/".array_shift($path_parts);
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} while (!$lrdd && (sizeof($path_parts) > 0));
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}
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if (!$lrdd) {
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Logger::log("No lrdd data found for ".$uri, Logger::DEBUG);
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return [];
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}
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foreach ($lrdd as $type => $template) {
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if ($webfinger) {
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continue;
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}
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$path = str_replace('{uri}', urlencode($uri), $template);
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$webfinger = self::webfinger($path, $type);
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if (!$webfinger && (strstr($uri, "@"))) {
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$path = str_replace('{uri}', urlencode("acct:".$uri), $template);
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$webfinger = self::webfinger($path, $type);
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}
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// Special treatment for Mastodon
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// Problem is that Mastodon uses an URL format like http://domain.tld/@nick
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// But the webfinger for this format fails.
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if (!$webfinger && !empty($nick)) {
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// Mastodon uses a "@" as prefix for usernames in their url format
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$nick = ltrim($nick, '@');
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$addr = $nick."@".$host;
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$path = str_replace('{uri}', urlencode("acct:".$addr), $template);
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$webfinger = self::webfinger($path, $type);
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}
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}
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$webfinger = $data['webfinger'];
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if (empty($webfinger["links"])) {
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Logger::log("No webfinger links found for ".$uri, Logger::DEBUG);
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@ -381,8 +329,9 @@ class Probe
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*/
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public static function uri($uri, $network = '', $uid = -1, $cache = true)
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{
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$cachekey = 'Probe::uri:' . $network . ':' . $uri;
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if ($cache) {
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$result = DI::cache()->get('Probe::uri:' . $network . ':' . $uri);
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$result = DI::cache()->get($cachekey);
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if (!is_null($result)) {
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return $result;
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}
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@ -396,13 +345,16 @@ class Probe
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if ($network != Protocol::ACTIVITYPUB) {
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$data = self::detect($uri, $network, $uid);
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if (!is_array($data)) {
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$data = [];
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}
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} else {
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$data = null;
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$data = [];
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}
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// When the previous detection process had got a time out
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// we could falsely detect a Friendica profile as AP profile.
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if (!self::$istimeout) {
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if (!self::$istimeout && (empty($network) || $network == Protocol::ACTIVITYPUB)) {
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$ap_profile = ActivityPub::probeProfile($uri, !$cache);
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if (empty($data) || (!empty($ap_profile) && empty($network) && (($data['network'] ?? '') != Protocol::DFRN))) {
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@ -411,8 +363,6 @@ class Probe
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$ap_profile['batch'] = '';
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$data = array_merge($ap_profile, $data);
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}
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} else {
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Logger::notice('Time out detected. AP will not be probed.', ['uri' => $uri]);
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}
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if (!isset($data['url'])) {
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@ -441,10 +391,6 @@ class Probe
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}
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}
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if (empty($data['baseurl']) && !empty(self::$baseurl)) {
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$data['baseurl'] = self::$baseurl;
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}
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if (!empty($data['baseurl']) && empty($data['gsid'])) {
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$data['gsid'] = GServer::getID($data['baseurl']);
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}
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@ -466,7 +412,7 @@ class Probe
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// Only store into the cache if the value seems to be valid
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if (!in_array($data['network'], [Protocol::PHANTOM, Protocol::MAIL])) {
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DI::cache()->set('Probe::uri:' . $network . ':' . $uri, $data, Duration::DAY);
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DI::cache()->set($cachekey, $data, Duration::DAY);
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}
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return $data;
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@ -558,6 +504,160 @@ class Probe
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return $result;
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}
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/**
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* Get webfinger data from a given URI
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*
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* @param string $uri
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* @return array Webfinger array
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*/
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private static function getWebfingerArray(string $uri)
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{
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$parts = parse_url($uri);
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if (!empty($parts['scheme']) && !empty($parts['host'])) {
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$host = $parts['host'];
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if (!empty($parts['port'])) {
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$host .= ':'.$parts['port'];
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}
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$baseurl = $parts['scheme'] . '://' . $host;
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$nick = '';
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$addr = '';
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$path_parts = explode("/", trim($parts['path'] ?? '', "/"));
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if (!empty($path_parts)) {
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$nick = ltrim(end($path_parts), '@');
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// When the last part of the URI is numeric then it is most likely an ID and not a nick name
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if (!is_numeric($nick)) {
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$addr = $nick."@".$host;
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} else {
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$nick = '';
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}
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}
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$webfinger = self::getWebfinger($parts['scheme'] . '://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
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if (empty($webfinger)) {
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$lrdd = self::hostMeta($host);
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}
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if (empty($webfinger) && empty($lrdd)) {
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while (empty($lrdd) && empty($webfinger) && (sizeof($path_parts) > 1)) {
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$host .= "/".array_shift($path_parts);
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$baseurl = $parts['scheme'] . '://' . $host;
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if (!empty($nick)) {
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$addr = $nick."@".$host;
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}
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$webfinger = self::getWebfinger($parts['scheme'] . '://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
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if (empty($webfinger)) {
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$lrdd = self::hostMeta($host);
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}
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}
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if (empty($lrdd) && empty($webfinger)) {
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return [];
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}
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}
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} elseif (strstr($uri, '@')) {
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// Remove "acct:" from the URI
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$uri = str_replace('acct:', '', $uri);
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$host = substr($uri, strpos($uri, '@') + 1);
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$nick = substr($uri, 0, strpos($uri, '@'));
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$addr = $uri;
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$webfinger = self::getWebfinger('https://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
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if (self::$istimeout) {
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return [];
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}
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if (empty($webfinger)) {
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$webfinger = self::getWebfinger('http://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
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if (self::$istimeout) {
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return [];
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}
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} else {
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$baseurl = 'https://' . $host;
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}
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if (empty($webfinger)) {
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$lrdd = self::hostMeta($host);
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if (self::$istimeout) {
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return [];
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}
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$baseurl = self::$baseurl;
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} else {
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$baseurl = 'http://' . $host;
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}
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} else {
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Logger::info('URI was not detectable', ['uri' => $uri]);
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return [];
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}
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if (empty($webfinger)) {
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foreach ($lrdd as $type => $template) {
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if ($webfinger) {
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continue;
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}
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$webfinger = self::getWebfinger($template, $type, $uri, $addr);
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}
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}
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if (empty($webfinger)) {
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return [];
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}
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if ($webfinger['detected'] == $addr) {
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$webfinger['nick'] = $nick;
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$webfinger['addr'] = $addr;
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}
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$webfinger['baseurl'] = $baseurl;
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return $webfinger;
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}
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/**
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* Perform network request for webfinger data
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*
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* @param string $template
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* @param string $type
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* @param string $uri
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* @param string $addr
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* @return array webfinger results
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*/
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private static function getWebfinger(string $template, string $type, string $uri, string $addr)
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{
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// First try the address because this is the primary purpose of webfinger
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if (!empty($addr)) {
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$detected = $addr;
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$path = str_replace('{uri}', urlencode("acct:" . $addr), $template);
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$webfinger = self::webfinger($path, $type);
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if (self::$istimeout) {
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return [];
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}
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}
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// Then try the URI
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if (empty($webfinger) && $uri != $addr) {
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$detected = $uri;
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$path = str_replace('{uri}', urlencode($uri), $template);
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$webfinger = self::webfinger($path, $type);
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if (self::$istimeout) {
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return [];
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}
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}
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if (empty($webfinger)) {
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return [];
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}
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return ['webfinger' => $webfinger, 'detected' => $detected];
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}
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/**
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* Fetch information (protocol endpoints and user information) about a given uri
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*
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@ -572,8 +672,6 @@ class Probe
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*/
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private static function detect($uri, $network, $uid)
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{
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$parts = parse_url($uri);
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$hookData = [
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'uri' => $uri,
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'network' => $network,
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@ -584,40 +682,19 @@ class Probe
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Hook::callAll('probe_detect', $hookData);
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if ($hookData['result']) {
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return $hookData['result'];
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if (!is_array($hookData['result'])) {
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return [];
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} else {
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return $hookData['result'];
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}
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}
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if (!empty($parts["scheme"]) && !empty($parts["host"])) {
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$host = $parts["host"];
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if (!empty($parts["port"])) {
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$host .= ':'.$parts["port"];
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}
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$parts = parse_url($uri);
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if ($host == 'twitter.com') {
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if (!empty($parts['scheme']) && !empty($parts['host'])) {
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if ($parts['host'] == 'twitter.com') {
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return self::twitter($uri);
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}
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$lrdd = self::hostMeta($host);
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if (is_bool($lrdd)) {
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return [];
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}
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$path_parts = explode("/", trim($parts['path'] ?? '', "/"));
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while (!$lrdd && (sizeof($path_parts) > 1)) {
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$host .= "/".array_shift($path_parts);
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$lrdd = self::hostMeta($host);
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}
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if (!$lrdd) {
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Logger::log('No XRD data was found for '.$uri, Logger::DEBUG);
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return self::feed($uri);
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}
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$nick = array_pop($path_parts);
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// Mastodon uses a "@" as prefix for usernames in their url format
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$nick = ltrim($nick, '@');
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$addr = $nick."@".$host;
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} elseif (strstr($uri, '@')) {
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// If the URI starts with "mailto:" then jump directly to the mail detection
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if (strpos($uri, 'mailto:') !== false) {
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@ -628,73 +705,35 @@ class Probe
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if ($network == Protocol::MAIL) {
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return self::mail($uri, $uid);
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}
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// Remove "acct:" from the URI
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$uri = str_replace('acct:', '', $uri);
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$host = substr($uri, strpos($uri, '@') + 1);
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$nick = substr($uri, 0, strpos($uri, '@'));
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if (strpos($uri, '@twitter.com')) {
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return self::twitter($uri);
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}
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$lrdd = self::hostMeta($host);
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if (is_bool($lrdd)) {
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return [];
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}
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if (!$lrdd) {
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Logger::log('No XRD data was found for '.$uri, Logger::DEBUG);
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return self::mail($uri, $uid);
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}
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$addr = $uri;
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} else {
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Logger::log("Uri ".$uri." was not detectable", Logger::DEBUG);
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Logger::info('URI was not detectable', ['uri' => $uri]);
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return [];
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}
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$webfinger = false;
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Logger::info('Probing start', ['uri' => $uri]);
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/// @todo Do we need the prefix "acct:" or "acct://"?
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foreach ($lrdd as $type => $template) {
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if ($webfinger) {
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continue;
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}
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// Try the URI first
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if ($uri != $addr) {
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$path = str_replace('{uri}', urlencode($uri), $template);
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$webfinger = self::webfinger($path, $type);
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}
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// Then try the address
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if (!$webfinger) {
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$path = str_replace('{uri}', urlencode("acct:" . $addr), $template);
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$webfinger = self::webfinger($path, $type);
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}
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// Finally try without the "acct"
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if (!$webfinger) {
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$path = str_replace('{uri}', urlencode($addr), $template);
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$webfinger = self::webfinger($path, $type);
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}
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// We cannot be sure that the detected address was correct, so we don't use the values
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if ($webfinger && ($uri != $addr)) {
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$nick = "";
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$addr = "";
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$data = self::getWebfingerArray($uri);
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if (empty($data)) {
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if (!empty($parts['scheme'])) {
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return self::feed($uri);
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} elseif (!empty($uid)) {
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return self::mail($uri, $uid);
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} else {
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return [];
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}
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}
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if (!$webfinger) {
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return self::feed($uri);
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}
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$webfinger = $data['webfinger'];
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$nick = $data['nick'] ?? '';
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$addr = $data['addr'] ?? '';
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$baseurl = $data['baseurl'] ?? '';
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$result = [];
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Logger::info("Probing", ['uri' => $uri]);
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if (in_array($network, ["", Protocol::DFRN])) {
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$result = self::dfrn($webfinger);
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}
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@ -705,7 +744,7 @@ class Probe
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$result = self::ostatus($webfinger);
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}
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if (in_array($network, ['', Protocol::ZOT])) {
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$result = self::zot($webfinger, $result);
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$result = self::zot($webfinger, $result, $baseurl);
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}
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if ((!$result && ($network == "")) || ($network == Protocol::PUMPIO)) {
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$result = self::pumpio($webfinger, $addr);
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@ -730,11 +769,15 @@ class Probe
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$result["network"] = Protocol::PHANTOM;
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}
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if (empty($result['baseurl']) && !empty($baseurl)) {
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$result['baseurl'] = $baseurl;
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}
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if (empty($result["url"])) {
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$result["url"] = $uri;
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}
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Logger::log($uri." is ".$result["network"], Logger::DEBUG);
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Logger::info('Probing done', ['uri' => $uri, 'network' => $result["network"]]);
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return $result;
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}
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@ -748,7 +791,7 @@ class Probe
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* @return array Zot data
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* @throws HTTPException\InternalServerErrorException
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*/
|
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private static function zot($webfinger, $data)
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private static function zot($webfinger, $data, $baseurl)
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{
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if (!empty($webfinger["aliases"]) && is_array($webfinger["aliases"])) {
|
||||
foreach ($webfinger["aliases"] as $alias) {
|
||||
|
|
@ -769,12 +812,12 @@ class Probe
|
|||
}
|
||||
}
|
||||
|
||||
if (empty($zot_url) && !empty($data['addr']) && !empty(self::$baseurl)) {
|
||||
$condition = ['nurl' => Strings::normaliseLink(self::$baseurl), 'platform' => ['hubzilla']];
|
||||
if (empty($zot_url) && !empty($data['addr']) && !empty($baseurl)) {
|
||||
$condition = ['nurl' => Strings::normaliseLink($baseurl), 'platform' => ['hubzilla']];
|
||||
if (!DBA::exists('gserver', $condition)) {
|
||||
return $data;
|
||||
}
|
||||
$zot_url = self::$baseurl . '/.well-known/zot-info?address=' . $data['addr'];
|
||||
$zot_url = $baseurl . '/.well-known/zot-info?address=' . $data['addr'];
|
||||
}
|
||||
|
||||
if (empty($zot_url)) {
|
||||
|
|
|
|||
|
|
@ -145,7 +145,7 @@ class ActivityPub
|
|||
{
|
||||
$apcontact = APContact::getByURL($url, $update);
|
||||
if (empty($apcontact)) {
|
||||
return false;
|
||||
return [];
|
||||
}
|
||||
|
||||
$profile = ['network' => Protocol::ACTIVITYPUB];
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user