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OStatus: hooked up follow/unfollow events on Salmon endpoint to create/destroy remote subscriber relationships

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This commit is contained in:
Brion Vibber 2010-02-19 12:08:07 -08:00
parent 114eb310ca
commit a1a3ab1c58
4 changed files with 81 additions and 24 deletions
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9
plugins/OStatus/OStatusPlugin.php
View File

@ -253,17 +253,22 @@ class OStatusPlugin extends Plugin
*/
function onEndUnsubscribe($user, $other)
{
if ($user instanceof Profile) {
$profile = $user;
} else if ($user instanceof Profile) {
$profile = $user->getProfile();
}
$oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
if ($oprofile) {
// Notify the remote server of the unsub, if supported.
$oprofile->notify($user->getProfile(), ActivityVerb::UNFOLLOW, $oprofile);
$oprofile->notify($profile, ActivityVerb::UNFOLLOW, $oprofile);
// Drop the PuSH subscription if there are no other subscribers.
$sub = new Subscription();
$sub->subscribed = $other->id;
$sub->limit(1);
if (!$sub->find(true)) {
common_log(LOG_INFO, "Unsubscribing from now-unused feed $oprofile->feeduri on hub $oprofile->huburi");
common_log(LOG_INFO, "Unsubscribing from now-unused feed $oprofile->feeduri");
$oprofile->unsubscribe();
}
}

8
plugins/OStatus/actions/feedsubsettings.php
View File

@ -68,14 +68,6 @@ class FeedSubSettingsAction extends ConnectSettingsAction
$profile = $user->getProfile();
$fuser = null;
$flink = Foreign_link::getByUserID($user->id, FEEDSUB_SERVICE);
if (!empty($flink)) {
$fuser = $flink->getForeignUser();
}
$this->elementStart('form', array('method' => 'post',
'id' => 'form_settings_feedsub',
'class' => 'form_settings',

66
plugins/OStatus/actions/salmon.php
View File

@ -63,13 +63,17 @@ class SalmonAction extends Action
// XXX: check that document element is Atom entry
// XXX: check the signature
$this->act = new Activity($dom->documentElement);
$entries = $dom->getElementsByTagNameNS(Activity::ATOM, 'entry');
if ($entries && $entries->length) {
// @fixme is it legit to have multiple entries?
$this->act = new Activity($entries->item(0), $dom->documentElement);
}
return true;
}
/**
* @fixme probably call Ostatus_profile::processFeed
* Check the posted activity type and break out to appropriate processing.
*/
function handle($args)
@ -94,13 +98,19 @@ class SalmonAction extends Action
case ActivityVerb::FRIEND:
$this->handleFollow();
break;
case ActivityVerb::UNFOLLOW:
$this->handleUnfollow();
break;
}
Event::handle('EndHandleSalmon', array($this->user, $this->activity));
}
}
/**
* @fixme probably call Ostatus_profile::processFeed
* We've gotten a post event on the Salmon backchannel, probably a reply.
*
* @todo validate if we need to handle this post, then call into
* ostatus_profile's general incoming-post handling.
*/
function handlePost()
{
@ -116,43 +126,81 @@ class SalmonAction extends Action
}
$profile = $this->ensureProfile();
// @fixme do something with the post
}
/**
* @fixme probably call Ostatus_profile::processFeed
* We've gotten a follow/subscribe notification from a remote user.
* Save a subscription relationship for them.
*/
function handleFollow()
{
$oprofile = $this->ensureProfile();
if ($oprofile) {
common_log(LOG_INFO, "Setting up subscription from remote {$oprofile->uri} to local {$this->user->nickname}");
$oprofile->subscribeRemoteToLocal($this->user);
} else {
common_log(LOG_INFO, "Can't set up subscription from remote; missing profile.");
}
}
/**
* @fixme probably call Ostatus_profile::processFeed
* We've gotten an unfollow/unsubscribe notification from a remote user.
* Check if we have a subscription relationship for them and kill it.
*
* @fixme probably catch exceptions on fail?
*/
function handleUnfollow()
{
$oprofile = $this->ensureProfile();
if ($oprofile) {
common_log(LOG_INFO, "Canceling subscription from remote {$oprofile->uri} to local {$this->user->nickname}");
Subscription::cancel($oprofile->localProfile(), $this->user->getProfile());
} else {
common_log(LOG_ERR, "Can't cancel subscription from remote, didn't find the profile");
}
}
/**
* Remote user likes one of our posts.
* Confirm the post is ours, and save a local favorite event.
*/
function handleFavorite()
{
}
/**
* @fixme probably call Ostatus_profile::processFeed
* Remote user doesn't like one of our posts after all!
* Confirm the post is ours, and save a local favorite event.
*/
function handleUnfavorite()
{
}
/**
* Hmmmm
*/
function handleShare()
{
}
/**
* @return Ostatus_profile
*/
function ensureProfile()
{
$actor = $this->act->actor;
common_log(LOG_DEBUG, "Received salmon bit: " . var_export($this->act, true));
if (empty($actor->id)) {
common_log(LOG_ERR, "broken actor: " . var_export($actor, true));
throw new Exception("Received a salmon slap from unidentified actor.");
}
$ostatusProfile = Ostatus_profile::ensureActorProfile($this->act);
return $oprofile->localProfile();
return Ostatus_profile::ensureActorProfile($this->act);
}
/**
* @fixme anything new in here probably should be merged into Ostatus_profile::ensureActorProfile and friends
* @fixme merge into Ostatus_profile::ensureActorProfile and friends
*/
function createProfile()
{

22
plugins/OStatus/classes/Ostatus_profile.php
View File

@ -310,8 +310,15 @@ class Ostatus_profile extends Memcached_DataObject
* @param $verb eg Activity::SUBSCRIBE or Activity::JOIN
* @param $object object of the action; if null, the remote entity itself is assumed
*/
public function notify(Profile $actor, $verb, $object=null)
public function notify($actor, $verb, $object=null)
{
if (!($actor instanceof Profile)) {
$type = gettype($actor);
if ($type == 'object') {
$type = get_class($actor);
}
throw new ServerException("Invalid actor passed to " . __METHOD__ . ": " . $type);
}
if ($object == null) {
$object = $this;
}
@ -340,7 +347,7 @@ class Ostatus_profile extends Memcached_DataObject
$feed->addEntry($entry);
$xml = $feed->getString();
common_log(LOG_INFO, "Posting to Salmon endpoint $salmon: $xml");
common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
$salmon = new Salmon(); // ?
$salmon->post($this->salmonuri, $xml);
@ -531,9 +538,14 @@ class Ostatus_profile extends Memcached_DataObject
$temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
copy($url, $temp_filename);
if ($this->isGroup()) {
$id = $this->group_id;
} else {
$id = $this->profile_id;
}
// @fixme should we be using different ids?
$imagefile = new ImageFile($this->id, $temp_filename);
$filename = Avatar::filename($this->id,
$imagefile = new ImageFile($id, $temp_filename);
$filename = Avatar::filename($id,
image_type_to_extension($imagefile->type),
null,
common_timestamp());
@ -646,7 +658,7 @@ class Ostatus_profile extends Memcached_DataObject
$actor = $activity->actor;
$homeuri = self::getActorProfileURI($activity);
$nickname = self::getAuthorNick($activity);
$avatar = self::getAvatar($actor, $feed);
$avatar = self::getAvatar($actor, $activity->feed);
if (!$homeuri) {
common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));