gnu-social/plugins/Share/SharePlugin.php

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<?php
/*
* 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
* the Free Software Foundation, either version 3 of the License, or
* (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
* 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/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* @package Activity
* @maintainer Mikael Nordfeldth <mmn@hethane.se>
*/
class SharePlugin extends ActivityVerbHandlerPlugin
{
public function tag()
{
return 'share';
}
public function types()
{
return array();
}
public function verbs()
{
return array(ActivityVerb::SHARE);
}
public function onRouterInitialized(URLMapper $m)
{
// Web UI actions
$m->connect('main/repeat', array('action' => 'repeat'));
// Share for Twitter API ("Retweet")
$m->connect('api/statuses/retweeted_by_me.:format',
array('action' => 'ApiTimelineRetweetedByMe',
'format' => '(xml|json|atom|as)'));
$m->connect('api/statuses/retweeted_to_me.:format',
array('action' => 'ApiTimelineRetweetedToMe',
'format' => '(xml|json|atom|as)'));
$m->connect('api/statuses/retweets_of_me.:format',
array('action' => 'ApiTimelineRetweetsOfMe',
'format' => '(xml|json|atom|as)'));
$m->connect('api/statuses/retweet/:id.:format',
array('action' => 'ApiStatusesRetweet',
'id' => '[0-9]+',
'format' => '(xml|json)'));
$m->connect('api/statuses/retweets/:id.:format',
array('action' => 'ApiStatusesRetweets',
'id' => '[0-9]+',
'format' => '(xml|json)'));
}
// FIXME: Set this to abstract public in lib/activityhandlerplugin.php when all plugins have migrated!
protected function saveObjectFromActivity(Activity $act, Notice $stored, array $options=array())
{
assert($this->isMyActivity($act));
// The below algorithm is mainly copied from the previous Ostatus_profile->processShare()
if (count($act->objects) !== 1) {
// TRANS: Client exception thrown when trying to share multiple activities at once.
throw new ClientException(_m('Can only handle share activities with exactly one object.'));
}
$shared = $act->objects[0];
if (!$shared instanceof Activity) {
// TRANS: Client exception thrown when trying to share a non-activity object.
throw new ClientException(_m('Can only handle shared activities.'));
}
$sharedUri = $shared->id;
if (!empty($shared->objects[0]->id)) {
// Because StatusNet since commit 8cc4660 sets $shared->id to a TagURI which
// fucks up federation, because the URI is no longer recognised by the origin.
// So we set it to the object ID if it exists, otherwise we trust $shared->id
$sharedUri = $shared->objects[0]->id;
}
if (empty($sharedUri)) {
throw new ClientException(_m('Shared activity does not have an id'));
}
// First check if we have the shared activity. This has to be done first, because
// we can't use these functions to "ensureActivityObjectProfile" of a local user,
// who might be the creator of the shared activity in question.
$sharedNotice = Notice::getKV('uri', $sharedId);
if (!$sharedNotice instanceof Notice) {
// If no locally stored notice is found, process it!
// TODO: Remember to check Deleted_notice!
// TODO: If a post is shared that we can't retrieve - what to do?
try {
$other = self::ensureActivityObjectProfile($shared->actor);
$sharedNotice = $other->processActivity($shared, $method);
if (!$sharedNotice instanceof Notice) {
// And if we apparently can't get the shared notice, we'll abort the whole thing.
// TRANS: Client exception thrown when saving an activity share fails.
// TRANS: %s is a share ID.
throw new ClientException(sprintf(_m('Failed to save activity %s.'), $sharedId));
}
} catch (FeedSubException $e) {
// Remote feed could not be found or verified, should we
// transform this into an "RT @user Blah, blah, blah..."?
common_log(LOG_INFO, __METHOD__ . ' got a ' . get_class($e) . ': ' . $e->getMessage());
return null;
}
}
// We don't have to save a repeat in a separate table, we can
// find repeats by just looking at the notice.repeat_of field.
return true;
}
// FIXME: Put this in lib/activityhandlerplugin.php when we're ready
// with the other microapps/activityhandlers as well.
// Also it should be StartNoticeAsActivity (with a prepped Activity, including ->context etc.)
public function onEndNoticeAsActivity(Notice $stored, Activity $act, Profile $scoped=null)
{
if (!$this->isMyNotice($stored)) {
return true;
}
common_debug('Extending activity '.$stored->id.' with '.get_called_class());
$this->extendActivity($stored, $act, $scoped);
return false;
}
public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
{
// TODO: How to handle repeats of deleted notices?
$target = Notice::getById($stored->repeat_of);
// TRANS: A repeat activity's title. %1$s is repeater's nickname
// and %2$s is the repeated user's nickname.
$act->title = sprintf(_('%1$s repeated a notice by %2$s'),
$stored->getProfile()->getNickname(),
$target->getProfile()->getNickname());
$act->objects[] = $target->asActivity($scoped);
}
public function activityObjectFromNotice(Notice $notice)
{
// Repeat is a little bit special. As it's an activity, our
// ActivityObject is instead turned into an Activity
$object = new Activity();
$object->verb = ActivityVerb::SHARE;
$object->type = $notice->object_type;
$object->title = sprintf(_('%1$s repeated a notice by %2$s'),
$object->getProfile()->getNickname(),
$target->getProfile()->getNickname());
$object->content = $notice->rendered;
return $object;
}
public function deleteRelated(Notice $notice)
{
try {
$fave = Fave::fromStored($notice);
$fave->delete();
} catch (NoResultException $e) {
// Cool, no problem. We wanted to get rid of it anyway.
}
}
// API stuff
/**
* Typically just used to fill out Twitter-compatible API status data.
*
* FIXME: Make all the calls before this end up with a Notice instead of ArrayWrapper please...
*/
public function onNoticeSimpleStatusArray($notice, array &$status, Profile $scoped=null, array $args=array())
{
if ($scoped instanceof Profile) {
$status['favorited'] = Fave::existsForProfile($notice, $scoped);
} else {
$status['favorited'] = false;
}
return true;
}
public function onTwitterUserArray(Profile $profile, array &$userdata, Profile $scoped=null, array $args=array())
{
$userdata['favourites_count'] = Fave::countByProfile($profile);
}
/**
* Typically just used to fill out StatusNet specific data in API calls in the referenced $info array.
*/
public function onStatusNetApiNoticeInfo(Notice $notice, array &$info, Profile $scoped=null, array $args=array())
{
if ($scoped instanceof Profile) {
$info['favorite'] = Fave::existsForProfile($notice, $scoped) ? 'true' : 'false';
}
return true;
}
public function onNoticeDeleteRelated(Notice $notice)
{
parent::onNoticeDeleteRelated($notice);
// The below algorithm is because we want to delete fave
// activities on any notice which _has_ faves, and not as
// in the parent function only ones that _are_ faves.
$fave = new Fave();
$fave->notice_id = $notice->id;
if ($fave->find()) {
while ($fave->fetch()) {
$fave->delete();
}
}
$fave->free();
}
public function onProfileDeleteRelated(Profile $profile, array &$related)
{
$fave = new Fave();
$fave->user_id = $profile->id;
$fave->delete(); // Will perform a DELETE matching "user_id = {$user->id}"
$fave->free();
Fave::blowCacheForProfileId($profile->id);
return true;
}
public function onStartNoticeListPrefill(array &$notices, array $notice_ids, Profile $scoped=null)
{
// prefill array of objects, before pluginfication it was Notice::fillFaves($notices)
Fave::fillFaves($notice_ids);
// DB caching
if ($scoped instanceof Profile) {
Fave::pivotGet('notice_id', $notice_ids, array('user_id' => $scoped->id));
}
}
/**
* show the "favorite" form in the notice options element
* FIXME: Don't let a NoticeListItemAdapter slip in here (or extend that from NoticeListItem)
*
* @return void
*/
public function onStartShowNoticeOptionItems($nli)
{
if (Event::handle('StartShowFaveForm', array($nli))) {
$scoped = Profile::current();
if ($scoped instanceof Profile) {
if (Fave::existsForProfile($nli->notice, $scoped)) {
$disfavor = new DisfavorForm($nli->out, $nli->notice);
$disfavor->show();
} else {
$favor = new FavorForm($nli->out, $nli->notice);
$favor->show();
}
}
Event::handle('EndShowFaveForm', array($nli));
}
}
public function showNoticeListItem(NoticeListItem $nli)
{
// pass
}
public function openNoticeListItemElement(NoticeListItem $nli)
{
// pass
}
public function closeNoticeListItemElement(NoticeListItem $nli)
{
// pass
}
public function onAppendUserActivityStreamObjects(UserActivityStream $uas, array &$objs)
{
$fave = new Fave();
$fave->user_id = $uas->getUser()->id;
if (!empty($uas->after)) {
$fave->whereAdd("modified > '" . common_sql_date($uas->after) . "'");
}
if ($fave->find()) {
while ($fave->fetch()) {
$objs[] = clone($fave);
}
}
return true;
}
public function onStartShowThreadedNoticeTailItems(NoticeListItem $nli, Notice $notice, &$threadActive)
{
if ($nli instanceof ThreadedNoticeListSubItem) {
// The sub-items are replies to a conversation, thus we use different HTML elements etc.
$item = new ThreadedNoticeListInlineFavesItem($notice, $nli->out);
} else {
$item = new ThreadedNoticeListFavesItem($notice, $nli->out);
}
$threadActive = $item->show() || $threadActive;
return true;
}
public function onEndFavorNotice(Profile $actor, Notice $target)
{
try {
$notice_author = $target->getProfile();
// Don't notify ourselves of our own favorite on our own notice,
// or if it's a remote user (since we don't know their email addresses etc.)
if ($notice_author->id == $actor->id || !$notice_author->isLocal()) {
return true;
}
$local_user = $notice_author->getUser();
mail_notify_fave($local_user, $actor, $target);
} catch (Exception $e) {
// Mm'kay, probably not a local user. Let's skip this favor notification.
}
}
/**
* EndInterpretCommand for FavoritePlugin will handle the 'fav' command
* using the class FavCommand.
*
* @param string $cmd Command being run
* @param string $arg Rest of the message (including address)
* @param User $user User sending the message
* @param Command &$result The resulting command object to be run.
*
* @return boolean hook value
*/
public function onStartInterpretCommand($cmd, $arg, $user, &$result)
{
if ($result === false && in_array($cmd, array('repeat', 'rp', 'rt', 'rd'))) {
if (empty($arg)) {
$result = null;
} else {
list($other, $extra) = CommandInterpreter::split_arg($arg);
if (!empty($extra)) {
$result = null;
} else {
$result = new RepeatCommand($user, $other);
}
}
return false;
}
return true;
}
public function onHelpCommandMessages(HelpCommand $help, array &$commands)
{
// TRANS: Help message for IM/SMS command "fav <nickname>".
$commands['fav <nickname>'] = _m('COMMANDHELP', "add user's last notice as a 'fave'");
// TRANS: Help message for IM/SMS command "fav #<notice_id>".
$commands['fav #<notice_id>'] = _m('COMMANDHELP', "add notice with the given id as a 'fave'");
}
/**
* Are we allowed to perform a certain command over the API?
*/
public function onCommandSupportedAPI(Command $cmd, &$supported)
{
$supported = $supported || $cmd instanceof RepeatCommand;
}
// Form stuff (settings etc.)
public function onEndEmailFormData(Action $action, Profile $scoped)
{
$emailfave = $scoped->getConfigPref('email', 'notify_fave') ? 1 : 0;
$action->elementStart('li');
$action->checkbox('email-notify_fave',
// TRANS: Checkbox label in e-mail preferences form.
_('Send me email when someone adds my notice as a favorite.'),
$emailfave);
$action->elementEnd('li');
return true;
}
public function onStartEmailSaveForm(Action $action, Profile $scoped)
{
$emailfave = $action->booleanintstring('email-notify_fave');
try {
if ($emailfave == $scoped->getPref('email', 'notify_fave')) {
// No need to update setting
return true;
}
} catch (NoResultException $e) {
// Apparently there's no previously stored setting, then continue to save it as it is now.
}
$scoped->setPref('email', 'notify_fave', $emailfave);
return true;
}
// Layout stuff
public function onEndPersonalGroupNav(Menu $menu, Profile $target, Profile $scoped=null)
{
$menu->out->menuItem(common_local_url('showfavorites', array('nickname' => $target->getNickname())),
// TRANS: Menu item in personal group navigation menu.
_m('MENU','Favorites'),
// @todo i18n FIXME: Need to make this two messages.
// TRANS: Menu item title in personal group navigation menu.
// TRANS: %s is a username.
sprintf(_('%s\'s favorite notices'), $target->getBestName()),
$scoped instanceof Profile && $target->id === $scoped->id && $menu->actionName =='showfavorites',
'nav_timeline_favorites');
}
public function onEndPublicGroupNav(Menu $menu)
{
if (!common_config('singleuser', 'enabled')) {
// TRANS: Menu item in search group navigation panel.
$menu->out->menuItem(common_local_url('favorited'), _m('MENU','Popular'),
// TRANS: Menu item title in search group navigation panel.
_('Popular notices'), $menu->actionName == 'favorited', 'nav_timeline_favorited');
}
}
public function onEndShowSections(Action $action)
{
if (!$action->isAction(array('all', 'public'))) {
return true;
}
if (!common_config('performance', 'high')) {
$section = new PopularNoticeSection($action, $action->getScoped());
$section->show();
}
}
protected function getActionTitle(ManagedAction $action, $verb, Notice $target, Profile $scoped)
{
return Fave::existsForProfile($target, $scoped)
// TRANS: Page/dialog box title when a notice is marked as favorite already
? _m('TITLE', 'Unmark notice as favorite')
// TRANS: Page/dialog box title when a notice is not marked as favorite
: _m('TITLE', 'Mark notice as favorite');
}
protected function doActionPreparation(ManagedAction $action, $verb, Notice $target, Profile $scoped)
{
if ($action->isPost()) {
// The below tests are only for presenting to the user. POSTs which inflict
// duplicate favorite entries are handled with AlreadyFulfilledException.
return false;
}
$exists = Fave::existsForProfile($target, $scoped);
$expected_verb = $exists ? ActivityVerb::UNFAVORITE : ActivityVerb::FAVORITE;
switch (true) {
case $exists && ActivityUtils::compareTypes($verb, array(ActivityVerb::FAVORITE, ActivityVerb::LIKE)):
case !$exists && ActivityUtils::compareTypes($verb, array(ActivityVerb::UNFAVORITE, ActivityVerb::UNLIKE)):
common_redirect(common_local_url('activityverb',
array('id' => $target->getID(),
'verb' => ActivityUtils::resolveUri($expected_verb, true))));
break;
default:
// No need to redirect as we are on the correct action already.
}
return false;
}
protected function doActionPost(ManagedAction $action, $verb, Notice $target, Profile $scoped)
{
switch (true) {
case ActivityUtils::compareTypes($verb, array(ActivityVerb::FAVORITE, ActivityVerb::LIKE)):
Fave::addNew($scoped, $target);
break;
case ActivityUtils::compareTypes($verb, array(ActivityVerb::UNFAVORITE, ActivityVerb::UNLIKE)):
Fave::removeEntry($scoped, $target);
break;
default:
throw new ServerException('ActivityVerb POST not handled by plugin that was supposed to do it.');
}
return false;
}
protected function getActivityForm(ManagedAction $action, $verb, Notice $target, Profile $scoped)
{
return Fave::existsForProfile($target, $scoped)
? new DisfavorForm($action, $target)
: new FavorForm($action, $target);
}
public function onPluginVersion(array &$versions)
{
$versions[] = array('name' => 'Share verb',
'version' => GNUSOCIAL_VERSION,
'author' => 'Mikael Nordfeldth',
'homepage' => 'https://gnu.io/',
'rawdescription' =>
// TRANS: Plugin description.
_m('Shares (repeats) using ActivityStreams.'));
return true;
}
}