*/
class Probe
{
+ const WEBFINGER = '/.well-known/webfinger?resource={uri}';
+
private static $baseurl;
private static $istimeout;
return [];
}
- $lrdd = ['application/jrd+json' => $host_url . '/.well-known/webfinger?resource={uri}'];
+ $lrdd = [];
foreach ($links["xrd"]["link"] as $value => $link) {
if (!empty($link["@attributes"])) {
*/
public static function lrdd(string $uri)
{
- $lrdd = self::hostMeta($uri);
- $webfinger = null;
-
- if (is_bool($lrdd)) {
+ $data = self::getWebfingerArray($uri);
+ if (empty($data)) {
return [];
}
-
- if (!$lrdd) {
- $parts = @parse_url($uri);
- if (!$parts || empty($parts["host"]) || empty($parts["path"])) {
- return [];
- }
-
- $host = $parts['scheme'] . '://' . $parts["host"];
- if (!empty($parts["port"])) {
- $host .= ':'.$parts["port"];
- }
-
- $path_parts = explode("/", trim($parts["path"], "/"));
-
- $nick = array_pop($path_parts);
-
- do {
- $lrdd = self::hostMeta($host);
- $host .= "/".array_shift($path_parts);
- } while (!$lrdd && (sizeof($path_parts) > 0));
- }
-
- if (!$lrdd) {
- Logger::log("No lrdd data found for ".$uri, Logger::DEBUG);
- return [];
- }
-
- foreach ($lrdd as $type => $template) {
- if ($webfinger) {
- continue;
- }
-
- $path = str_replace('{uri}', urlencode($uri), $template);
- $webfinger = self::webfinger($path, $type);
-
- if (!$webfinger && (strstr($uri, "@"))) {
- $path = str_replace('{uri}', urlencode("acct:".$uri), $template);
- $webfinger = self::webfinger($path, $type);
- }
-
- // Special treatment for Mastodon
- // Problem is that Mastodon uses an URL format like http://domain.tld/@nick
- // But the webfinger for this format fails.
- if (!$webfinger && !empty($nick)) {
- // Mastodon uses a "@" as prefix for usernames in their url format
- $nick = ltrim($nick, '@');
-
- $addr = $nick."@".$host;
-
- $path = str_replace('{uri}', urlencode("acct:".$addr), $template);
- $webfinger = self::webfinger($path, $type);
- }
- }
+ $webfinger = $data['webfinger'];
if (empty($webfinger["links"])) {
Logger::log("No webfinger links found for ".$uri, Logger::DEBUG);
*/
public static function uri($uri, $network = '', $uid = -1, $cache = true)
{
+ $cachekey = 'Probe::uri:' . $network . ':' . $uri;
if ($cache) {
- $result = DI::cache()->get('Probe::uri:' . $network . ':' . $uri);
+ $result = DI::cache()->get($cachekey);
if (!is_null($result)) {
return $result;
}
$uid = local_user();
}
- self::$istimeout = false;
-
- if ($network != Protocol::ACTIVITYPUB) {
- $data = self::detect($uri, $network, $uid);
+ if (empty($network) || ($network == Protocol::ACTIVITYPUB)) {
+ $ap_profile = ActivityPub::probeProfile($uri, !$cache);
} else {
- $data = null;
+ $ap_profile = [];
}
- // When the previous detection process had got a time out
- // we could falsely detect a Friendica profile as AP profile.
- if (!self::$istimeout) {
- $ap_profile = ActivityPub::probeProfile($uri, !$cache);
+ self::$istimeout = false;
+ if ($network != Protocol::ACTIVITYPUB) {
+ $data = self::detect($uri, $network, $uid, $ap_profile);
+ if (!is_array($data)) {
+ $data = [];
+ }
if (empty($data) || (!empty($ap_profile) && empty($network) && (($data['network'] ?? '') != Protocol::DFRN))) {
$data = $ap_profile;
} elseif (!empty($ap_profile)) {
$data = array_merge($ap_profile, $data);
}
} else {
- Logger::notice('Time out detected. AP will not be probed.', ['uri' => $uri]);
+ $data = $ap_profile;
}
if (!isset($data['url'])) {
}
}
- if (!empty(self::$baseurl)) {
- $data['baseurl'] = self::$baseurl;
- }
-
if (!empty($data['baseurl']) && empty($data['gsid'])) {
$data['gsid'] = GServer::getID($data['baseurl']);
}
// Only store into the cache if the value seems to be valid
if (!in_array($data['network'], [Protocol::PHANTOM, Protocol::MAIL])) {
- DI::cache()->set('Probe::uri:' . $network . ':' . $uri, $data, Duration::DAY);
+ DI::cache()->set($cachekey, $data, Duration::DAY);
}
return $data;
}
/**
- * Checks if a profile url should be OStatus but only provides partial information
- *
- * @param array $webfinger Webfinger data
- * @param string $lrdd Path template for webfinger request
- * @param string $type type
+ * Fetch the "subscribe" and add it to the result
*
- * @return array fixed webfinger data
- * @throws HTTPException\InternalServerErrorException
+ * @param array $result
+ * @param array $webfinger
+ * @return array result
*/
- private static function fixOStatus($webfinger, $lrdd, $type)
+ private static function getSubscribeLink(array $result, array $webfinger)
{
- if (empty($webfinger['links']) || empty($webfinger['subject'])) {
- return $webfinger;
+ if (empty($webfinger['links'])) {
+ return $result;
}
- $is_ostatus = false;
- $has_key = false;
-
foreach ($webfinger['links'] as $link) {
- if ($link['rel'] == ActivityNamespace::OSTATUSSUB) {
- $is_ostatus = true;
+ if (!empty($link['template']) && ($link['rel'] === ActivityNamespace::OSTATUSSUB)) {
+ $result['subscribe'] = $link['template'];
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Get webfinger data from a given URI
+ *
+ * @param string $uri
+ * @return array Webfinger array
+ */
+ private static function getWebfingerArray(string $uri)
+ {
+ $parts = parse_url($uri);
+
+ if (!empty($parts['scheme']) && !empty($parts['host'])) {
+ $host = $parts['host'];
+ if (!empty($parts['port'])) {
+ $host .= ':'.$parts['port'];
+ }
+
+ $baseurl = $parts['scheme'] . '://' . $host;
+
+ $nick = '';
+ $addr = '';
+
+ $path_parts = explode("/", trim($parts['path'] ?? '', "/"));
+ if (!empty($path_parts)) {
+ $nick = ltrim(end($path_parts), '@');
+ // When the last part of the URI is numeric then it is most likely an ID and not a nick name
+ if (!is_numeric($nick)) {
+ $addr = $nick."@".$host;
+ } else {
+ $nick = '';
+ }
+ }
+
+ $webfinger = self::getWebfinger($parts['scheme'] . '://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
+ if (empty($webfinger)) {
+ $lrdd = self::hostMeta($host);
+ }
+
+ if (empty($webfinger) && empty($lrdd)) {
+ while (empty($lrdd) && empty($webfinger) && (sizeof($path_parts) > 1)) {
+ $host .= "/".array_shift($path_parts);
+ $baseurl = $parts['scheme'] . '://' . $host;
+
+ if (!empty($nick)) {
+ $addr = $nick."@".$host;
+ }
+
+ $webfinger = self::getWebfinger($parts['scheme'] . '://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
+ if (empty($webfinger)) {
+ $lrdd = self::hostMeta($host);
+ }
+ }
+
+ if (empty($lrdd) && empty($webfinger)) {
+ return [];
+ }
+ }
+ } elseif (strstr($uri, '@')) {
+ // Remove "acct:" from the URI
+ $uri = str_replace('acct:', '', $uri);
+
+ $host = substr($uri, strpos($uri, '@') + 1);
+ $nick = substr($uri, 0, strpos($uri, '@'));
+ $addr = $uri;
+
+ $webfinger = self::getWebfinger('https://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
+ if (self::$istimeout) {
+ return [];
+ }
+
+ if (empty($webfinger)) {
+ $webfinger = self::getWebfinger('http://' . $host . self::WEBFINGER, 'application/jrd+json', $uri, $addr);
+ if (self::$istimeout) {
+ return [];
+ }
+ } else {
+ $baseurl = 'https://' . $host;
}
- if ($link['rel'] == 'magic-public-key') {
- $has_key = true;
+
+ if (empty($webfinger)) {
+ $lrdd = self::hostMeta($host);
+ if (self::$istimeout) {
+ return [];
+ }
+ $baseurl = self::$baseurl;
+ } else {
+ $baseurl = 'http://' . $host;
}
+ } else {
+ Logger::info('URI was not detectable', ['uri' => $uri]);
+ return [];
}
- if (!$is_ostatus || $has_key) {
- return $webfinger;
+ if (empty($webfinger)) {
+ foreach ($lrdd as $type => $template) {
+ if ($webfinger) {
+ continue;
+ }
+
+ $webfinger = self::getWebfinger($template, $type, $uri, $addr);
+ }
}
- $url = Network::switchScheme($webfinger['subject']);
- $path = str_replace('{uri}', urlencode($url), $lrdd);
- $webfinger2 = self::webfinger($path, $type);
+ if (empty($webfinger)) {
+ return [];
+ }
- // Is the new webfinger detectable as OStatus?
- if (self::ostatus($webfinger2, true)) {
- $webfinger = $webfinger2;
+ if ($webfinger['detected'] == $addr) {
+ $webfinger['nick'] = $nick;
+ $webfinger['addr'] = $addr;
}
+ $webfinger['baseurl'] = $baseurl;
+
return $webfinger;
}
/**
- * Fetch the "subscribe" and add it to the result
+ * Perform network request for webfinger data
*
- * @param array $result
- * @param array $webfinger
- * @return array result
+ * @param string $template
+ * @param string $type
+ * @param string $uri
+ * @param string $addr
+ * @return array webfinger results
*/
- private static function getSubscribeLink(array $result, array $webfinger)
+ private static function getWebfinger(string $template, string $type, string $uri, string $addr)
{
- if (empty($webfinger['links'])) {
- return $result;
+ // First try the address because this is the primary purpose of webfinger
+ if (!empty($addr)) {
+ $detected = $addr;
+ $path = str_replace('{uri}', urlencode("acct:" . $addr), $template);
+ $webfinger = self::webfinger($path, $type);
+ if (self::$istimeout) {
+ return [];
+ }
}
- foreach ($webfinger['links'] as $link) {
- if ($link['rel'] === ActivityNamespace::OSTATUSSUB) {
- $result['subscribe'] = $link['template'];
+ // Then try the URI
+ if (empty($webfinger) && $uri != $addr) {
+ $detected = $uri;
+ $path = str_replace('{uri}', urlencode($uri), $template);
+ $webfinger = self::webfinger($path, $type);
+ if (self::$istimeout) {
+ return [];
}
}
- return $result;
+ if (empty($webfinger)) {
+ return [];
+ }
+
+ return ['webfinger' => $webfinger, 'detected' => $detected];
}
/**
*
* This function is only called by the "uri" function that adds caching and rearranging of data.
*
- * @param string $uri Address that should be probed
- * @param string $network Test for this specific network
- * @param integer $uid User ID for the probe (only used for mails)
+ * @param string $uri Address that should be probed
+ * @param string $network Test for this specific network
+ * @param integer $uid User ID for the probe (only used for mails)
+ * @param array $ap_profile Previously probed AP profile
*
* @return array uri data
* @throws HTTPException\InternalServerErrorException
*/
- private static function detect($uri, $network, $uid)
+ private static function detect(string $uri, string $network, int $uid, array $ap_profile)
{
- $parts = parse_url($uri);
-
$hookData = [
'uri' => $uri,
'network' => $network,
Hook::callAll('probe_detect', $hookData);
if ($hookData['result']) {
- return $hookData['result'];
- }
-
- if (!empty($parts["scheme"]) && !empty($parts["host"])) {
- $host = $parts["host"];
- if (!empty($parts["port"])) {
- $host .= ':'.$parts["port"];
- }
-
- if ($host == 'twitter.com') {
- return self::twitter($uri);
- }
- $lrdd = self::hostMeta($host);
-
- if (is_bool($lrdd)) {
+ if (!is_array($hookData['result'])) {
return [];
+ } else {
+ return $hookData['result'];
}
+ }
- $path_parts = explode("/", trim($parts['path'] ?? '', "/"));
+ $parts = parse_url($uri);
- while (!$lrdd && (sizeof($path_parts) > 1)) {
- $host .= "/".array_shift($path_parts);
- $lrdd = self::hostMeta($host);
- }
- if (!$lrdd) {
- Logger::log('No XRD data was found for '.$uri, Logger::DEBUG);
- return self::feed($uri);
+ if (!empty($parts['scheme']) && !empty($parts['host'])) {
+ if ($parts['host'] == 'twitter.com') {
+ return self::twitter($uri);
}
- $nick = array_pop($path_parts);
-
- // Mastodon uses a "@" as prefix for usernames in their url format
- $nick = ltrim($nick, '@');
-
- $addr = $nick."@".$host;
} elseif (strstr($uri, '@')) {
// If the URI starts with "mailto:" then jump directly to the mail detection
if (strpos($uri, 'mailto:') !== false) {
if ($network == Protocol::MAIL) {
return self::mail($uri, $uid);
}
- // Remove "acct:" from the URI
- $uri = str_replace('acct:', '', $uri);
-
- $host = substr($uri, strpos($uri, '@') + 1);
- $nick = substr($uri, 0, strpos($uri, '@'));
if (strpos($uri, '@twitter.com')) {
return self::twitter($uri);
}
- $lrdd = self::hostMeta($host);
-
- if (is_bool($lrdd)) {
- return [];
- }
-
- if (!$lrdd) {
- Logger::log('No XRD data was found for '.$uri, Logger::DEBUG);
- return self::mail($uri, $uid);
- }
- $addr = $uri;
} else {
- Logger::log("Uri ".$uri." was not detectable", Logger::DEBUG);
+ Logger::info('URI was not detectable', ['uri' => $uri]);
return [];
}
- $webfinger = false;
-
- /// @todo Do we need the prefix "acct:" or "acct://"?
-
- foreach ($lrdd as $type => $template) {
- if ($webfinger) {
- continue;
- }
-
- // At first try it with the given uri
- $path = str_replace('{uri}', urlencode($uri), $template);
- $webfinger = self::webfinger($path, $type);
-
- // Fix possible problems with GNU Social probing to wrong scheme
- $webfinger = self::fixOStatus($webfinger, $template, $type);
-
- // We cannot be sure that the detected address was correct, so we don't use the values
- if ($webfinger && ($uri != $addr)) {
- $nick = "";
- $addr = "";
- }
-
- // Try webfinger with the address (user@domain.tld)
- if (!$webfinger) {
- $path = str_replace('{uri}', urlencode($addr), $template);
- $webfinger = self::webfinger($path, $type);
- }
+ Logger::info('Probing start', ['uri' => $uri]);
- // Mastodon needs to have it with "acct:"
- if (!$webfinger) {
- $path = str_replace('{uri}', urlencode("acct:".$addr), $template);
- $webfinger = self::webfinger($path, $type);
+ $data = self::getWebfingerArray($uri);
+ if (empty($data)) {
+ if (!empty($parts['scheme'])) {
+ return self::feed($uri);
+ } elseif (!empty($uid)) {
+ return self::mail($uri, $uid);
+ } else {
+ return [];
}
}
- if (!$webfinger) {
- return self::feed($uri);
- }
+ $webfinger = $data['webfinger'];
+ $nick = $data['nick'] ?? '';
+ $addr = $data['addr'] ?? '';
+ $baseurl = $data['baseurl'] ?? '';
$result = [];
- Logger::info("Probing", ['uri' => $uri]);
-
if (in_array($network, ["", Protocol::DFRN])) {
$result = self::dfrn($webfinger);
}
$result = self::ostatus($webfinger);
}
if (in_array($network, ['', Protocol::ZOT])) {
- $result = self::zot($webfinger, $result);
+ $result = self::zot($webfinger, $result, $baseurl);
}
if ((!$result && ($network == "")) || ($network == Protocol::PUMPIO)) {
$result = self::pumpio($webfinger, $addr);
}
- if ((!$result && ($network == "")) || ($network == Protocol::FEED)) {
+
+ if (empty($result['network']) && empty($ap_profile['network']) || ($network == Protocol::FEED)) {
$result = self::feed($uri);
} else {
// We overwrite the detected nick with our try if the previois routines hadn't detected it.
$result["network"] = Protocol::PHANTOM;
}
+ if (empty($result['baseurl']) && !empty($baseurl)) {
+ $result['baseurl'] = $baseurl;
+ }
+
if (empty($result["url"])) {
$result["url"] = $uri;
}
- Logger::log($uri." is ".$result["network"], Logger::DEBUG);
-
- if (empty($result["baseurl"]) && ($result["network"] != Protocol::PHANTOM)) {
- $pos = strpos($result["url"], $host);
- if ($pos) {
- $result["baseurl"] = substr($result["url"], 0, $pos).$host;
- }
- }
+ Logger::info('Probing done', ['uri' => $uri, 'network' => $result["network"]]);
return $result;
}
* @return array Zot data
* @throws HTTPException\InternalServerErrorException
*/
- private static function zot($webfinger, $data)
+ private static function zot($webfinger, $data, $baseurl)
{
if (!empty($webfinger["aliases"]) && is_array($webfinger["aliases"])) {
foreach ($webfinger["aliases"] as $alias) {
}
}
- if (empty($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)) {
&& (($link["type"] ?? "") == "text/html")
&& ($link["href"] != "")
) {
- $data["url"] = $link["href"];
+ $data["url"] = $data["alias"] = $link["href"];
} elseif (($link["rel"] == "salmon") && !empty($link["href"])) {
$data["notify"] = $link["href"];
} elseif (($link["rel"] == ActivityNamespace::FEED) && !empty($link["href"])) {
$data["url"] = $feed_data["header"]["author-link"];
}
- if (($data['poll'] == $data['url']) && ($data["alias"] != '')) {
- $data['url'] = $data["alias"];
+ if ($data["url"] == $data["alias"]) {
$data["alias"] = '';
}
$data["url"] = $url;
$data["poll"] = $url;
- if (!empty($feed_data["header"]["author-link"])) {
- $data["baseurl"] = $feed_data["header"]["author-link"];
- } else {
- $data["baseurl"] = $data["url"];
- }
-
$data["network"] = Protocol::FEED;
return $data;
projects / friendica.git / blobdiff