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I think I have made the delete verb generate proper AS

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ActivityStreams had a different/better definition than me
in how to define the Delete verb data:
http://wiki.activitystrea.ms/w/page/23541872/Delete
This commit is contained in:
Mikael Nordfeldth 2015-10-10 11:08:17 +02:00
parent 3154302b53
commit 6376b78a80
3 changed files with 100 additions and 56 deletions
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19
classes/Notice.php
View File

@ -281,9 +281,7 @@ class Notice extends Managed_DataObject
}
public function getObjectType($canonical=false) {
return $canonical
? ActivityObject::canonicalType($this->object_type)
: $this->object_type;
return ActivityUtils::resolveUri($this->object_type, $canonical);
}
public static function getByUri($uri)
@ -771,8 +769,9 @@ class Notice extends Managed_DataObject
}
extract($options, EXTR_SKIP);
// dupe check
$stored = new Notice();
if (!empty($uri)) {
if (!empty($uri) && !ActivityUtils::compareVerbs($act->verb, array(ActivityVerb::DELETE))) {
$stored->uri = $uri;
if ($stored->find()) {
common_debug('cannot create duplicate Notice URI: '.$stored->uri);
@ -886,11 +885,15 @@ class Notice extends Managed_DataObject
}
if (ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::POST))) {
$stored->object_type = $act->type ?: $act->objects[0]->type;
if (empty($stored->object_type)) {
if (empty($act->objects[0]->type)) {
// Default type for the post verb is 'note', but we know it's
// a 'comment' if it is in reply to something.
$stored->object_type = empty($stored->reply_to) ? ActivityObject::NOTE : ActivityObject::COMMENT;
} else {
//TODO: Is it safe to always return a relative URI? The
// JSON version of ActivityStreams always use it, so we
// should definitely be able to handle it...
$stored->object_type = ActivityUtils::resolveUri($act->objects[0]->type, true);
}
}
@ -898,7 +901,7 @@ class Notice extends Managed_DataObject
// XXX: some of these functions write to the DB
try {
$stored->insert(); // throws exception on error
$result = $stored->insert(); // throws exception on error
if ($notloc instanceof Notice_location) {
$notloc->notice_id = $stored->getID();
@ -910,7 +913,7 @@ class Notice extends Managed_DataObject
$object = null;
Event::handle('StoreActivityObject', array($act, $stored, $options, &$object));
if (empty($object)) {
throw new ServerException('Unsuccessful call to StoreActivityObject '.$stored->uri . ': '.$act->asString());
throw new ServerException('Unsuccessful call to StoreActivityObject '.$stored->getUri() . ': '.$act->asString());
}
// If it's not part of a conversation, it's the beginning

101
plugins/ActivityModeration/ActivityModerationPlugin.php
View File

@ -83,32 +83,8 @@ class ActivityModerationPlugin extends ActivityVerbHandlerPlugin
*/
protected function saveObjectFromActivity(Activity $act, Notice $stored, array $options=array())
{
// Let's see if this has been deleted already.
$deleted = Deleted_notice::getKV('uri', $act->id);
if ($deleted instanceof Deleted_notice) {
return $deleted;
}
$target = Notice::getByUri($act->objects[0]->id);
common_debug('DELETING notice: ' . $act->objects[0]->id . ' on behalf of profile id==' . $target->getProfile()->getID());
$deleted = new Deleted_notice();
$deleted->id = $target->getID();
$deleted->profile_id = $target->getProfile()->getID();
$deleted->uri = $act->id;
$deleted->act_uri = $target->getUri();
$deleted->act_created = $target->created;
$deleted->created = common_sql_now();
$result = $deleted->insert();
if ($result === false) {
throw new ServerException('Could not insert Deleted_notice entry into database!');
}
$target->delete();
return $deleted;
// Everything is done in the StartNoticeSave event
return true;
}
// FIXME: Put this in lib/activityhandlerplugin.php when we're ready
@ -125,6 +101,79 @@ class ActivityModerationPlugin extends ActivityVerbHandlerPlugin
return false;
}
/**
* This is run before ->insert, so our task in this function is just to
* delete if it is the delete verb.
*/
public function onStartNoticeSave(Notice $stored)
{
// DELETE is a bit special, we have to remove the existing entry and then
// add a new one with the same URI in order to trigger the distribution.
// (that's why we don't use $this->isMyNotice(...))
if (!ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::DELETE))) {
return true;
}
try {
$target = Notice::getByUri($stored->uri);
} catch (NoResultException $e) {
throw new AlreadyFulfilledException('Notice URI not found, so we have nothing to delete.');
}
$actor = $stored->getProfile();
$owner = $target->getProfile();
if ($owner->hasRole(Profile_role::DELETED)) {
// Don't bother with replacing notices if its author is being deleted.
// The later "StoreActivityObject" will pick this up and execute
// the deletion then.
// (the "delete verb notice" is too new to ever pass through Notice::saveNew
// which otherwise wouldn't execute the StoreActivityObject event)
return true;
}
// Since the user deleting may not be the same as the notice's owner,
// double-check this and also set the "re-stored" notice profile_id.
if (!$actor->sameAs($owner) && !$actor->hasRight(Right::DELETEOTHERSNOTICE)) {
throw new AuthorizationException(_('You are not allowed to delete another user\'s notice.'));
}
// We copy the identifying fields and replace the sensitive ones.
//$stored->id = $target->id; // We can't copy this since DB_DataObject won't inject it anyway
$props = array('uri', 'profile_id', 'conversation', 'reply_to', 'created', 'repeat_of', 'object_type', 'is_local', 'scope');
foreach($props as $prop) {
$stored->$prop = $target->$prop;
}
//$stored->content = $stored->content ?: _('Notice deleted.');
//$stored->rendered = $stored->rendered ?: $stored->rendered;
common_debug('DELETENOTICE: Replacement notice has been prepared: '.var_export($stored, true));
// Let's see if this has been deleted already.
$deleted = Deleted_notice::getKV('uri', $stored->getUri());
if ($deleted instanceof Deleted_notice) {
return $deleted;
}
$deleted = new Deleted_notice();
$deleted->id = $target->getID();
$deleted->profile_id = $actor->getID();
$deleted->uri = $stored->getUri();
$deleted->act_uri = $stored->getUri();
$deleted->act_created = $stored->created;
$deleted->created = common_sql_now();
$result = $deleted->insert();
if ($result === false) {
throw new ServerException('Could not insert Deleted_notice entry into database!');
}
// Now we delete the original notice, leaving the id and uri free.
$target->delete();
return true;
}
public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
{
Deleted_notice::extendActivity($stored, $act, $scoped);

36
plugins/ActivityModeration/classes/Deleted_notice.php
View File

@ -38,7 +38,7 @@ class Deleted_notice extends Managed_DataObject
return array(
'fields' => array(
'id' => array('type' => 'int', 'not null' => true, 'description' => 'notice ID'),
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'author of the notice'),
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'profile that deleted the notice'),
'uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI of the deleted notice'),
'act_uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI of the delete activity, may exist in notice table'),
'act_created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date the notice record was created'),
@ -67,10 +67,9 @@ class Deleted_notice extends Managed_DataObject
}
$act = new Activity();
$act->type = ActivityObject::ACTIVITY;
$act->verb = ActivityVerb::DELETE;
$act->time = time();
$act->id = self::newUri($actor, $notice);
$act->id = $notice->getUri();
$act->content = sprintf(_m('<a href="%1$s">%2$s</a> deleted notice <a href="%3$s">{{%4$s}}</a>.'),
htmlspecialchars($actor->getUrl()),
@ -82,6 +81,7 @@ class Deleted_notice extends Managed_DataObject
$act->actor = $actor->asActivityObject();
$act->target = new ActivityObject(); // We don't save the notice object, as it's supposed to be removed!
$act->target->id = $notice->getUri();
$act->target->type = $notice->getObjectType();
$act->objects = array(clone($act->target));
$url = $notice->getUrl();
@ -107,11 +107,13 @@ class Deleted_notice extends Managed_DataObject
return $object;
}
// The one who deleted the notice, not the notice's author
public function getActor()
{
return Profile::getByID($this->profile_id);
}
// As above: The one who deleted the notice, not the notice's author
public function getActorObject()
{
return $this->getActor()->asActivityObject();
@ -126,23 +128,13 @@ class Deleted_notice extends Managed_DataObject
public function getStored()
{
$uri = $this->getTargetUri();
$uri = $this->getUri();
if (!isset($this->_stored[$uri])) {
$stored = new Notice();
$stored->uri = $uri;
if (!$stored->find(true)) {
throw new NoResultException($stored);
}
$this->_stored[$uri] = $stored;
$this->_stored[$uri] = Notice::getByPK('uri', $uri);
}
return $this->_stored[$uri];
}
public function getTargetUri()
{
return $this->act_uri;
}
public function getUri()
{
return $this->uri;
@ -155,7 +147,8 @@ class Deleted_notice extends Managed_DataObject
$actobj->type = ActivityObject::ACTIVITY;
$actobj->actor = $this->getActorObject();
$actobj->target = new ActivityObject();
$actobj->target->id = $this->getTargetUri();
$actobj->target->id = $this->getUri();
// FIXME: actobj->target->type? as in extendActivity, and actobj->target->actor maybe?
$actobj->objects = array(clone($actobj->target));
$actobj->verb = ActivityVerb::DELETE;
$actobj->title = ActivityUtils::verbToTitle($actobj->verb);
@ -164,7 +157,7 @@ class Deleted_notice extends Managed_DataObject
$actobj->content = sprintf(_m('<a href="%1$s">%2$s</a> deleted notice {{%3$s}}.'),
htmlspecialchars($actor->getUrl()),
htmlspecialchars($actor->getBestName()),
htmlspecialchars($this->getTargetUri())
htmlspecialchars($this->getUri())
);
return $actobj;
@ -172,14 +165,13 @@ class Deleted_notice extends Managed_DataObject
static public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
{
// the original notice is deleted, but we have stored some important data
$object = self::fromStored($stored);
// the original notice id and type is still stored in the Notice table
// so we use that information to describe the delete activity
$act->target = new ActivityObject();
$act->target->id = $object->getTargetUri();
$act->target->id = $stored->getUri();
$act->target->type = $stored->getObjectType();
$act->objects = array(clone($act->target));
$act->context->replyToID = $object->getTargetUri();
$act->title = ActivityUtils::verbToTitle($act->verb);
}