[ActivityPub][INBOX][Delete] Fix misconceptions
References: - https://socialhub.activitypub.rocks/t/the-delete-activity-and-its-misconceptions/137 - https://socialhub.activitypub.rocks/t/the-update-activity-more-than-caching/260
This commit is contained in:
Diogo Cordeiro
Diogo Peralta Cordeiro
parent
64108aa51d
commit
2b4aaca14a
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@ -189,11 +189,11 @@ class Activitypub_profile extends Managed_DataObject
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/**
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* Fetch the locally stored profile for this Activitypub_profile
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*
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* @return get_called_class
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* @return Profile
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* @throws NoProfileException if it was not found
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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public function local_profile()
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public function local_profile(): Profile
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{
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$profile = Profile::getKV('id', $this->profile_id);
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if (!$profile instanceof Profile) {
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@ -481,16 +481,22 @@ class Activitypub_profile extends Managed_DataObject
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/**
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* Update remote user profile in local instance
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* Depends on do_update
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*
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* @param Activitypub_profile $aprofile
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* @param array $res remote response
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* @param array|false $res remote response, if array it updates, if false it deletes
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* @return Profile remote Profile object
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* @throws NoProfileException
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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public static function update_profile($aprofile, $res)
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{
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if ($res === false) {
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$profile = $aprofile->local_profile();
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$id = $profile->getID();
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$profile->delete();
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throw new NoProfileException($id, "410 Gone");
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}
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// ActivityPub Profile
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$aprofile->uri = $res['id'];
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$aprofile->nickname = $res['preferredUsername'];
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@ -431,14 +431,18 @@ class Activitypub_explorer
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* profile updating and shall not be used for anything else)
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*
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* @param string $url User's url
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* @return array
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* @return array|false If it is able to fetch, false if it's gone
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* @throws Exception Either network issues or unsupported Activity format
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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public static function get_remote_user_activity($url)
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public static function get_remote_user_activity(string $url)
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{
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$client = new HTTPClient();
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$response = $client->get($url, ACTIVITYPUB_HTTP_CLIENT_HEADERS);
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// If it was deleted
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if ($response->getStatus() == 410) {
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return false;
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}
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$res = json_decode($response->getBody(), true);
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if (Activitypub_explorer::validate_remote_response($res)) {
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common_debug('ActivityPub Explorer: Found a valid remote actor for ' . $url);
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@ -232,64 +232,77 @@ class Activitypub_inbox_handler
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* @throws NoProfileException
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* @throws Exception
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* @author Bruno Casteleiro <brunoccast@fc.up.pt>
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
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private function handle_delete()
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{
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$object = $this->object;
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if (is_array($object)) {
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$object = $object['id'];
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if (is_string($object)) {
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$client = new HTTPClient();
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$response = $client->get($object, ACTIVITYPUB_HTTP_CLIENT_HEADERS);
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$gone = !$response->isOk();
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if (!$gone) { // It's not gone, we're updating it.
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$object = json_decode($response->getBody(), true);
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switch ($object['type']) {
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case 'Person':
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try {
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// Update profile if we already have a copy of it
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$aprofile = Activitypub_profile::fromUri($object['id'], false);
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Activitypub_profile::update_profile($aprofile, $object);
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} catch (Exception $e) {
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// Import profile if we don't
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Activitypub_explorer::get_profile_from_url($object['id']);
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}
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// profile deletion ?
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if ($this->activity['actor'] == $object) {
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$aprofile = Activitypub_profile::from_profile($this->actor);
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$this->handle_delete_profile($aprofile);
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return;
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}
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// note deletion ?
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break;
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case 'Tombstone':
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try {
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$notice = ActivityPubPlugin::grab_notice_from_url($object, false);
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if ($notice instanceof Notice) {
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$this->handle_delete_note($notice);
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$notice->delete();
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}
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return;
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} catch (Exception $e) {
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// either already deleted or not an object at all
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// nothing to do..
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}
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common_log(LOG_INFO, "Ignoring Delete activity, nothing that we can/need to handle.");
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break;
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case 'Note':
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// XXX: We do not support updating a note's contents so, we'll ignore it for now...
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default:
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common_log(LOG_INFO, "Ignoring Delete activity, we do not understand for {$object['type']}.");
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}
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}
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} else {
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// We don't know the type of the deleted object :(
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// Nor if it's gone or not.
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try {
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$aprofile = Activitypub_profile::fromUri($object, false);
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$res = Activitypub_explorer::get_remote_user_activity($object);
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Activitypub_profile::update_profile($aprofile, $res);
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return;
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} catch (Exception $e) {
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// Means this wasn't a profile
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}
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/**
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* Handles a Delete-Profile Activity.
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*
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* Note that the actual ap_profile is deleted during the ProfileDeleteRelated event,
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* subscribed by ActivityPubPlugin.
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*
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* @param Activitypub_profile $aprofile remote user being deleted
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* @return void
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* @throws NoProfileException
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* @author Bruno Casteleiro <brunoccast@fc.up.pt>
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*/
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private function handle_delete_profile(Activitypub_profile $aprofile): void
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{
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$profile = $aprofile->local_profile();
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$profile->delete();
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try {
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$client = new HTTPClient();
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$response = $client->get($object, ACTIVITYPUB_HTTP_CLIENT_HEADERS);
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// If it was deleted
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if ($response->getStatus() == 410) {
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$notice = ActivityPubPlugin::grab_notice_from_url($object, false);
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if ($notice instanceof Notice) {
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$notice->delete();
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}
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} else {
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// We can't update a note's contents so, we'll ignore it for now...
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}
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return;
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} catch (Exception $e) {
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// Means we didn't have this note already
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}
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/**
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* Handles a Delete-Note Activity.
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*
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* @param Notice $note remote note being deleted
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* @return void
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* @throws AuthorizationException
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* @author Bruno Casteleiro <brunoccast@fc.up.pt>
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*/
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private function handle_delete_note(Notice $note): void
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{
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$note->deleteAs($this->actor);
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return;
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}
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}
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/**
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@ -97,7 +97,11 @@ while ($user->fetch()) {
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$res = Activitypub_explorer::get_remote_user_activity($user->uri);
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$updated_profile = Activitypub_profile::update_profile($user, $res);
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if (!$quiet) {
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echo "Updated ".$updated_profile->getBestName()."\n";
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echo 'Updated '.$updated_profile->getBestName()."\n";
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}
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} catch (NoProfileException $e) {
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if (!$quiet) {
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echo 'Deleted '.$user->uri."\n";
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}
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} catch (Exception $e) {
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// let it go
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