gnu-social/plugins/Nodeinfo/NodeinfoPlugin.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Plugin that presents basic instance information using the [NodeInfo standard](http://nodeinfo.diaspora.software/).
*
* @package NodeInfo
* @author Stéphane Bérubé <chimo@chromic.org>
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2018-2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* Controls cache and routes
*
* @copyright 2018-2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class NodeinfoPlugin extends Plugin
{
const PLUGIN_VERSION = '2.0.0';
public function onRouterInitialized($m): bool
{
$m->connect(
'.well-known/nodeinfo',
['action' => 'nodeinfojrd']
);
$m->connect(
'api/nodeinfo/2.0.json',
['action' => 'nodeinfo_2_0']
);
return true;
}
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/**
* Make sure necessary tables are filled out.
*
* @return bool hook true
* @author Diogo Cordeiro <diogo@fc.up.pt>
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*/
public function onCheckSchema(): bool
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{
// Ensure schema
$schema = Schema::get();
$schema->ensureTable('usage_stats', Usage_stats::schemaDef());
// Ensure default rows
if (Usage_stats::getKV('type', 'users') == null) {
$us = new Usage_stats();
$us->type = 'users';
$us->insert();
}
if (Usage_stats::getKV('type', 'posts') == null) {
$us = new Usage_stats();
$us->type = 'posts';
$us->insert();
}
if (Usage_stats::getKV('type', 'comments') == null) {
$us = new Usage_stats();
$us->type = 'comments';
$us->insert();
}
return true;
}
/**
* Increment notices/replies counter
*
* @param Notice $notice
* @return bool hook flag
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* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onStartNoticeDistribute(Notice $notice): bool
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{
assert($notice->id > 0); // Ignore if not a valid notice
$profile = $notice->getProfile();
if (!$profile->isLocal()) {
return true;
}
// Ignore for activity/non-(post/share)-verb notices
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if (method_exists('ActivityUtils', 'compareVerbs')) {
$is_valid_verb = ActivityUtils::compareVerbs(
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$notice->verb,
[ActivityVerb::POST,
ActivityVerb::SHARE]
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);
} else {
$is_valid_verb = ($notice->verb == ActivityVerb::POST ||
$notice->verb == ActivityVerb::SHARE);
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}
if ($notice->source == 'activity' || !$is_valid_verb) {
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return true;
}
// Is a reply?
if ($notice->reply_to) {
$us = Usage_stats::getKV('type', 'comments');
$us->count += 1;
$us->update();
return true;
}
// Is an Announce?
if ($notice->isRepeat()) {
return true;
}
$us = Usage_stats::getKV('type', 'posts');
$us->count += 1;
$us->update();
// That was it
return true;
}
/**
* Decrement notices/replies counter
*
* @param User $user
* @param Notice $notice
* @return bool hook flag
* @throws UserNoProfileException
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* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onStartDeleteOwnNotice(User $user, Notice $notice): bool
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{
$profile = $user->getProfile();
// Only count local notices
if (!$profile->isLocal()) {
return true;
}
if ($notice->reply_to) {
$us = Usage_stats::getKV('type', 'comments');
$us->count -= 1;
$us->update();
return true;
}
$us = Usage_stats::getKV('type', 'posts');
$us->count -= 1;
$us->update();
return true;
}
/**
* Increment users counter
*
* @return bool hook flag
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* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onEndRegistrationTry(): bool
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{
$us = Usage_stats::getKV('type', 'users');
$us->count += 1;
$us->update();
return true;
}
/**
* Decrement users counter
*
* @return bool hook flag
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* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onEndDeleteUser(): bool
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{
$us = Usage_stats::getKV('type', 'users');
$us->count -= 1;
$us->update();
return true;
}
/**
* Plugin version information
*
* @param array $versions
* @return bool hook true
* @throws Exception
*/
public function onPluginVersion(array &$versions): bool
{
$versions[] = [
'name' => 'Nodeinfo',
'version' => self::PLUGIN_VERSION,
'author' => 'Stéphane Bérubé, Diogo Cordeiro',
'homepage' => 'https://code.chromic.org/chimo/gs-nodeinfo',
'description' => _m('Plugin that presents basic instance information using the NodeInfo standard.')
];
return true;
}
/**
* Cache was added in a newer version of the plugin, this ensures we fix cached values on upgrade
*
* @return bool hook flag
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/
public function onEndUpgrade(): bool
{
$users = new Usage_stats();
if ($users->getUserCount() == 0) {
define('NODEINFO_UPGRADE', true);
require_once __DIR__ . DIRECTORY_SEPARATOR . 'scripts' . DIRECTORY_SEPARATOR . 'fix_stats.php';
}
return true;
}
}