GNUsocial/gnu-social
4
0
Fork 1
Code Issues Releases Wiki Activity

Moved functions into ActivityHandlerPlugin from MicroAppPlugin

Browse Source 
Dummy functions in Favorite plugin so far
This commit is contained in:
Mikael Nordfeldth
2014-07-02 11:37:46 +02:00
parent d0da552722
commit 38bea34562
10 changed files with 388 additions and 369 deletions
Download Patch File Download Diff File Expand all files Collapse all files

363
lib/activityhandlerplugin.php
View File

@@ -1,20 +1,20 @@
<?php
/*
* GNU Social - a federating social network
/*
* GNU Social - a federating social network
* Copyright (C) 2014, Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
@@ -83,14 +83,14 @@ abstract class ActivityHandlerPlugin extends Plugin
/**
* Check if a given notice object should be handled by this micro-app
* plugin.
*
* The default implementation checks against the activity type list
* returned by $this->types(). You can override this method to expand
* your checks, but follow the execution chain to get it right.
*
* @param Notice $notice
* @return boolean
*/
*
* The default implementation checks against the activity type list
* returned by $this->types(). You can override this method to expand
* your checks, but follow the execution chain to get it right.
*
* @param Notice $notice
* @return boolean
*/
function isMyNotice(Notice $notice) {
return $this->isMyVerb($notice->verb) && $this->isMyType($notice->object_type);
}
@@ -103,4 +103,329 @@ abstract class ActivityHandlerPlugin extends Plugin
function isMyType($type) {
return count($this->types())===0 || ActivityUtils::compareTypes($type, $this->types());
}
/**
* Given a parsed ActivityStreams activity, your plugin
* gets to figure out how to actually save it into a notice
* and any additional data structures you require.
*
* This will handle things received via AtomPub, OStatus
* (PuSH and Salmon transports), or ActivityStreams-based
* backup/restore of account data.
*
* You should be able to accept as input the output from your
* $this->activityObjectFromNotice(). Where applicable, try to
* use existing ActivityStreams structures and object types,
* and be liberal in accepting input from what might be other
* compatible apps.
*
* All micro-app classes must override this method.
*
* @fixme are there any standard options?
*
* @param Activity $activity
* @param Profile $actor
* @param array $options=array()
*
* @return Notice the resulting notice
*/
abstract function saveNoticeFromActivity(Activity $activity, Profile $actor, array $options=array());
/**
* Given an existing Notice object, your plugin gets to
* figure out how to arrange it into an ActivityStreams
* object.
*
* This will be how your specialized notice gets output in
* Atom feeds and JSON-based ActivityStreams output, including
* account backup/restore and OStatus (PuSH and Salmon transports).
*
* You should be able to round-trip data from this format back
* through $this->saveNoticeFromActivity(). Where applicable, try
* to use existing ActivityStreams structures and object types,
* and consider interop with other compatible apps.
*
* All micro-app classes must override this method.
*
* @fixme this outputs an ActivityObject, not an Activity. Any compat issues?
*
* @param Notice $notice
*
* @return ActivityObject
*/
abstract function activityObjectFromNotice(Notice $notice);
/**
* When a notice is deleted, you'll be called here for a chance
* to clean up any related resources.
*
* All micro-app classes must override this method.
*
* @param Notice $notice
*/
abstract function deleteRelated(Notice $notice);
/**
* Called when generating Atom XML ActivityStreams output from an
* ActivityObject belonging to this plugin. Gives the plugin
* a chance to add custom output.
*
* Note that you can only add output of additional XML elements,
* not change existing stuff here.
*
* If output is already handled by the base Activity classes,
* you can leave this base implementation as a no-op.
*
* @param ActivityObject $obj
* @param XMLOutputter $out to add elements at end of object
*/
function activityObjectOutputAtom(ActivityObject $obj, XMLOutputter $out)
{
// default is a no-op
}
/**
* Called when generating JSON ActivityStreams output from an
* ActivityObject belonging to this plugin. Gives the plugin
* a chance to add custom output.
*
* Modify the array contents to your heart's content, and it'll
* all get serialized out as JSON.
*
* If output is already handled by the base Activity classes,
* you can leave this base implementation as a no-op.
*
* @param ActivityObject $obj
* @param array &$out JSON-targeted array which can be modified
*/
public function activityObjectOutputJson(ActivityObject $obj, array &$out)
{
// default is a no-op
}
/**
* When a notice is deleted, delete the related objects
* by calling the overridable $this->deleteRelated().
*
* @param Notice $notice Notice being deleted
*
* @return boolean hook value
*/
function onNoticeDeleteRelated(Notice $notice)
{
if (!$this->isMyNotice($notice)) {
return true;
}
$this->deleteRelated($notice);
}
/**
* Render a notice as one of our objects
*
* @param Notice $notice Notice to render
* @param ActivityObject &$object Empty object to fill
*
* @return boolean hook value
*/
function onStartActivityObjectFromNotice(Notice $notice, &$object)
{
if (!$this->isMyNotice($notice)) {
return true;
}
$object = $this->activityObjectFromNotice($notice);
return false;
}
/**
* Handle a posted object from PuSH
*
* @param Activity $activity activity to handle
* @param Ostatus_profile $oprofile Profile for the feed
*
* @return boolean hook value
*/
function onStartHandleFeedEntryWithProfile(Activity $activity, $oprofile, &$notice)
{
if (!$this->isMyActivity($activity)) {
return true;
}
$actor = $oprofile->checkAuthorship($activity);
if (!$actor instanceof Ostatus_profile) {
// TRANS: Client exception thrown when no author for an activity was found.
throw new ClientException(_('Cannot get author for activity.'));
}
$object = $activity->objects[0];
$options = array('uri' => $object->id,
'url' => $object->link,
'is_local' => Notice::REMOTE,
'source' => 'ostatus');
// $actor is an ostatus_profile
$notice = $this->saveNoticeFromActivity($activity, $actor->localProfile(), $options);
return false;
}
/**
* Handle a posted object from Salmon
*
* @param Activity $activity activity to handle
* @param mixed $target user or group targeted
*
* @return boolean hook value
*/
function onStartHandleSalmonTarget(Activity $activity, $target)
{
if (!$this->isMyActivity($activity)) {
return true;
}
$this->log(LOG_INFO, "Checking {$activity->id} as a valid Salmon slap.");
if ($target instanceof User_group) {
$uri = $target->getUri();
if (!array_key_exists($uri, $activity->context->attention)) {
// @todo FIXME: please document (i18n).
// TRANS: Client exception thrown when ...
throw new ClientException(_('Object not posted to this group.'));
}
} else if ($target instanceof User) {
$uri = $target->uri;
$original = null;
if (!empty($activity->context->replyToID)) {
$original = Notice::getKV('uri', $activity->context->replyToID);
}
if (!array_key_exists($uri, $activity->context->attention) &&
(empty($original) ||
$original->profile_id != $target->id)) {
// @todo FIXME: Please document (i18n).
// TRANS: Client exception when ...
throw new ClientException(_('Object not posted to this user.'));
}
} else {
// TRANS: Server exception thrown when a micro app plugin uses a target that cannot be handled.
throw new ServerException(_('Do not know how to handle this kind of target.'));
}
$actor = Ostatus_profile::ensureActivityObjectProfile($activity->actor);
$object = $activity->objects[0];
$options = array('uri' => $object->id,
'url' => $object->link,
'is_local' => Notice::REMOTE,
'source' => 'ostatus');
// $actor is an ostatus_profile
$this->saveNoticeFromActivity($activity, $actor->localProfile(), $options);
return false;
}
/**
* Handle object posted via AtomPub
*
* @param Activity &$activity Activity that was posted
* @param User $user User that posted it
* @param Notice &$notice Resulting notice
*
* @return boolean hook value
*/
function onStartAtomPubNewActivity(Activity &$activity, $user, &$notice)
{
if (!$this->isMyActivity($activity)) {
return true;
}
$options = array('source' => 'atompub');
// $user->getProfile() is a Profile
$notice = $this->saveNoticeFromActivity($activity,
$user->getProfile(),
$options);
return false;
}
/**
* Handle object imported from a backup file
*
* @param User $user User to import for
* @param ActivityObject $author Original author per import file
* @param Activity $activity Activity to import
* @param boolean $trusted Is this a trusted user?
* @param boolean &$done Is this done (success or unrecoverable error)
*
* @return boolean hook value
*/
function onStartImportActivity($user, $author, Activity $activity, $trusted, &$done)
{
if (!$this->isMyActivity($activity)) {
return true;
}
$obj = $activity->objects[0];
$options = array('uri' => $object->id,
'url' => $object->link,
'source' => 'restore');
// $user->getProfile() is a Profile
$saved = $this->saveNoticeFromActivity($activity,
$user->getProfile(),
$options);
if (!empty($saved)) {
$done = true;
}
return false;
}
/**
* Event handler gives the plugin a chance to add custom
* Atom XML ActivityStreams output from a previously filled-out
* ActivityObject.
*
* The atomOutput method is called if it's one of
* our matching types.
*
* @param ActivityObject $obj
* @param XMLOutputter $out to add elements at end of object
* @return boolean hook return value
*/
function onEndActivityObjectOutputAtom(ActivityObject $obj, XMLOutputter $out)
{
if (in_array($obj->type, $this->types())) {
$this->activityObjectOutputAtom($obj, $out);
}
return true;
}
/**
* Event handler gives the plugin a chance to add custom
* JSON ActivityStreams output from a previously filled-out
* ActivityObject.
*
* The activityObjectOutputJson method is called if it's one of
* our matching types.
*
* @param ActivityObject $obj
* @param array &$out JSON-targeted array which can be modified
* @return boolean hook return value
*/
function onEndActivityObjectOutputJson(ActivityObject $obj, array &$out)
{
if (in_array($obj->type, $this->types())) {
$this->activityObjectOutputJson($obj, $out);
}
return true;
}
}