]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/APContact.php
Don't transmit to archived inboxes
[friendica.git] / src / Model / APContact.php
index 1c5b5d211470957aa3b802ffe118dd6da5a131ea..56832cba6fb179bb2ad9f383f7248761b5ba01b1 100644 (file)
 namespace Friendica\Model;
 
 use Friendica\Content\Text\HTML;
+use Friendica\Core\Cache\Duration;
 use Friendica\Core\Logger;
+use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Network\Probe;
+use Friendica\Protocol\ActivityNamespace;
 use Friendica\Protocol\ActivityPub;
 use Friendica\Util\Crypto;
-use Friendica\Util\Network;
-use Friendica\Util\JsonLD;
 use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Strings;
+use Friendica\Util\HTTPSignature;
+use Friendica\Util\JsonLD;
+use Friendica\Util\Network;
 
 class APContact
 {
        /**
-        * Resolves the profile url from the address by using webfinger
+        * Fetch webfinger data
         *
-        * @param string $addr profile address (user@domain.tld)
-        * @param string $url profile URL. When set then we return "true" when this profile url can be found at the address
-        * @return string|boolean url
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @param string $addr Address
+        * @return array webfinger data
         */
-       private static function addrToUrl($addr, $url = null)
+       private static function fetchWebfingerData(string $addr)
        {
                $addr_parts = explode('@', $addr);
                if (count($addr_parts) != 2) {
-                       return false;
+                       return [];
                }
 
-               $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
-
-               $webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
-
-               $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
-               if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
-                       $webfinger = Strings::normaliseLink($webfinger);
-
-                       $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
-
-                       if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
-                               return false;
+               $data = ['addr' => $addr];
+               $template = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
+               $webfinger = Probe::webfinger(str_replace('{uri}', urlencode($addr), $template), 'application/jrd+json');
+               if (empty($webfinger['links'])) {
+                       $template = 'http://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
+                       $webfinger = Probe::webfinger(str_replace('{uri}', urlencode($addr), $template), 'application/jrd+json');
+                       if (empty($webfinger['links'])) {
+                               return [];
                        }
+                       $data['baseurl'] = 'http://' . $addr_parts[1];
+               } else {
+                       $data['baseurl'] = 'https://' . $addr_parts[1];
                }
 
-               $data = json_decode($curlResult->getBody(), true);
-
-               if (empty($data['links'])) {
-                       return false;
-               }
+               foreach ($webfinger['links'] as $link) {
+                       if (empty($link['rel'])) {
+                               continue;
+                       }
 
-               foreach ($data['links'] as $link) {
-                       if (!empty($url) && !empty($link['href']) && ($link['href'] == $url)) {
-                               return true;
+                       if (!empty($link['template']) && ($link['rel'] == ActivityNamespace::OSTATUSSUB)) {
+                               $data['subscribe'] = $link['template'];
                        }
 
-                       if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
-                               continue;
+                       if (!empty($link['href']) && !empty($link['type']) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
+                               $data['url'] = $link['href'];
                        }
 
-                       if (empty($url) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
-                               return $link['href'];
+                       if (!empty($link['href']) && !empty($link['type']) && ($link['rel'] == 'http://webfinger.net/rel/profile-page') && ($link['type'] == 'text/html')) {
+                               $data['alias'] = $link['href'];
                        }
                }
 
-               return false;
+               if (!empty($data['url']) && !empty($data['alias']) && ($data['url'] == $data['alias'])) {
+                       unset($data['alias']);
+               }
+
+               return $data;
        }
 
        /**
@@ -133,15 +136,20 @@ class APContact
                        }
                }
 
-               if (empty(parse_url($url, PHP_URL_SCHEME))) {
-                       $url = self::addrToUrl($url);
-                       if (empty($url)) {
+               $apcontact = [];
+
+               $webfinger = empty(parse_url($url, PHP_URL_SCHEME));
+               if ($webfinger) {
+                       $apcontact = self::fetchWebfingerData($url);
+                       if (empty($apcontact['url'])) {
                                return $fetched_contact;
                        }
+                       $url = $apcontact['url'];
                }
 
                $data = ActivityPub::fetchContent($url);
                if (empty($data)) {
+                       self::markForArchival($fetched_contact ?: []);
                        return $fetched_contact;
                }
 
@@ -151,7 +159,16 @@ class APContact
                        return $fetched_contact;
                }
 
-               $apcontact = [];
+               // Detect multiple fast repeating request to the same address
+               // See https://github.com/friendica/friendica/issues/9303
+               $cachekey = 'apcontact:getByURL:' . $url;
+               $result = DI::cache()->get($cachekey);
+               if (!is_null($result)) {
+                       Logger::notice('Multiple requests for the address', ['url' => $url, 'update' => $update, 'callstack' => System::callstack(20), 'result' => $result]);
+               } else {
+                       DI::cache()->set($cachekey, System::callstack(20), Duration::FIVE_MINUTES);
+               }
+
                $apcontact['url'] = $compacted['@id'];
                $apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
                $apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
@@ -182,9 +199,11 @@ class APContact
                        $apcontact['photo'] = JsonLD::fetchElement($compacted['as:icon'], 'as:url', '@id');
                }
 
-               $apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
-               if (is_array($apcontact['alias'])) {
-                       $apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
+               if (empty($apcontact['alias'])) {
+                       $apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
+                       if (is_array($apcontact['alias'])) {
+                               $apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
+                       }
                }
 
                // Quit if none of the basic values are set
@@ -201,10 +220,12 @@ class APContact
                unset($parts['scheme']);
                unset($parts['path']);
 
-               if (!empty($apcontact['nick'])) {
-                       $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
-               } else {
-                       $apcontact['addr'] = '';
+               if (empty($apcontact['addr'])) {
+                       if (!empty($apcontact['nick'])) {
+                               $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
+                       } else {
+                               $apcontact['addr'] = '';
+                       }
                }
 
                $apcontact['pubkey'] = null;
@@ -276,14 +297,17 @@ class APContact
                        }
                }
 
-               if (empty($fetched_contact['baseurl']) || $update) {
-                       $parts = parse_url($apcontact['url']);
-                       unset($parts['path']);
-                       $baseurl = Network::unparseURL($parts);
+               if (!$webfinger && !empty($apcontact['addr'])) {
+                       $data = self::fetchWebfingerData($apcontact['addr']);
+                       if (!empty($data)) {
+                               $apcontact['baseurl'] = $data['baseurl'];
 
-                       // Check if the address is resolvable or the profile url is identical with the base url of the system
-                       if (self::addrToUrl($apcontact['addr'], $apcontact['url']) || Strings::compareLink($apcontact['url'], $baseurl)) {
-                               $apcontact['baseurl'] = $baseurl;
+                               if (empty($apcontact['alias']) && !empty($data['alias'])) {
+                                       $apcontact['alias'] = $data['alias'];
+                               }
+                               if (!empty($data['subscribe'])) {
+                                       $apcontact['subscribe'] = $data['subscribe'];
+                               }
                        } else {
                                $apcontact['addr'] = null;
                        }
@@ -293,6 +317,10 @@ class APContact
                        $apcontact['baseurl'] = null;
                }
 
+               if (empty($apcontact['subscribe'])) {
+                       $apcontact['subscribe'] = null;
+               }               
+
                if (!empty($apcontact['baseurl']) && empty($fetched_contact['gsid'])) {
                        $apcontact['gsid'] = GServer::getID($apcontact['baseurl']);
                } elseif (!empty($fetched_contact['gsid'])) {
@@ -307,22 +335,71 @@ class APContact
 
                $apcontact['updated'] = DateTimeFormat::utcNow();
 
-               DBA::update('apcontact', $apcontact, ['url' => $url], true);
-
                // We delete the old entry when the URL is changed
-               if (($url != $apcontact['url']) && DBA::exists('apcontact', ['url' => $url]) && DBA::exists('apcontact', ['url' => $apcontact['url']])) {
+               if ($url != $apcontact['url']) {
+                       Logger::info('Delete changed profile url', ['old' => $url, 'new' => $apcontact['url']]);
                        DBA::delete('apcontact', ['url' => $url]);
                }
 
+               if (DBA::exists('apcontact', ['url' => $apcontact['url']])) {
+                       DBA::update('apcontact', $apcontact, ['url' => $apcontact['url']]);
+               } else {
+                       DBA::replace('apcontact', $apcontact);
+               }
+
                Logger::info('Updated profile', ['url' => $url]);
 
                return $apcontact;
        }
 
+       /**
+        * Mark the given AP Contact as "to archive"
+        *
+        * @param array $apcontact
+        * @return void
+        */
+       public static function markForArchival(array $apcontact)
+       {
+               if (!empty($apcontact['inbox'])) {
+                       Logger::info('Set inbox status to failure', ['inbox' => $apcontact['inbox']]);
+                       HTTPSignature::setInboxStatus($apcontact['inbox'], false);
+               }
+
+               if (!empty($apcontact['sharedinbox'])) {
+                       // Check if there are any vital inboxes
+                       $vital = DBA::exists('apcontact', ["`sharedinbox` = ? AnD `inbox` IN (SELECT `url` FROM `inbox-status` WHERE `success` > `failure`)",
+                               $apcontact['sharedinbox']]);
+                       if (!$vital) {
+                               // If all known personal inboxes are failing then set their shared inbox to failure as well
+                               Logger::info('Set shared inbox status to failure', ['sharedinbox' => $apcontact['sharedinbox']]);
+                               HTTPSignature::setInboxStatus($apcontact['sharedinbox'], false, true);
+                       }
+               }
+       }
+
+       /**
+        * Unmark the given AP Contact as "to archive"
+        *
+        * @param array $apcontact
+        * @return void
+        */
+       public static function unmarkForArchival(array $apcontact)
+       {
+               if (!empty($apcontact['inbox'])) {
+                       Logger::info('Set inbox status to success', ['inbox' => $apcontact['inbox']]);
+                       HTTPSignature::setInboxStatus($apcontact['inbox'], true);
+               }
+               if (!empty($apcontact['sharedinbox'])) {
+                       Logger::info('Set shared inbox status to success', ['sharedinbox' => $apcontact['sharedinbox']]);
+                       HTTPSignature::setInboxStatus($apcontact['sharedinbox'], true, true);
+               }
+       }
+
        /**
         * Unarchive inboxes
         *
-        * @param string $url inbox url
+        * @param string  $url    inbox url
+        * @param boolean $shared Shared Inbox
         */
        private static function unarchiveInbox($url, $shared)
        {
@@ -330,15 +407,6 @@ class APContact
                        return;
                }
 
-               $now = DateTimeFormat::utcNow();
-
-               $fields = ['archive' => false, 'success' => $now, 'shared' => $shared];
-
-               if (!DBA::exists('inbox-status', ['url' => $url])) {
-                       $fields = array_merge($fields, ['url' => $url, 'created' => $now]);
-                       DBA::insert('inbox-status', $fields);
-               } else {
-                       DBA::update('inbox-status', $fields, ['url' => $url]);
-               }
+               HTTPSignature::setInboxStatus($url, true, $shared);
        }
 }