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gnu-social-v2-archive-activ.../classes/Activitypub_profile.php

241 lines
9.5 KiB
PHP

<?php
require_once dirname (__DIR__) . DIRECTORY_SEPARATOR . "utils" . DIRECTORY_SEPARATOR . "explorer.php";
/**
* GNU social - a federating social network
*
* ActivityPubPlugin implementation for GNU Social
*
* LICENCE: 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/>.
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author Daniel Supernault <danielsupernault@gmail.com>
* @copyright 2018 Free Software Foundation http://fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://www.gnu.org/software/social/
*/
if (!defined ('GNUSOCIAL')) {
exit (1);
}
/**
* ActivityPub Profile
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author Daniel Supernault <danielsupernault@gmail.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://www.gnu.org/software/social/
*/
class Activitypub_profile extends Profile
{
public $__table = 'Activitypub_profile';
protected $_profile = null;
/**
* Return table definition for Schema setup and DB_DataObject usage.
*
* @return array array of column definitions
*/
static function schemaDef ()
{
return array (
'fields' => array (
'uri' => array ('type' => 'varchar', 'length' => 191, 'not null' => true),
'profile_id' => array ('type' => 'integer'),
'inboxuri' => array ('type' => 'varchar', 'length' => 191),
'sharedInboxuri' => array ('type' => 'varchar', 'length' => 191),
'created' => array ('type' => 'datetime', 'not null' => true),
'modified' => array ('type' => 'datetime', 'not null' => true),
),
'primary key' => array ('uri'),
'unique keys' => array (
'Activitypub_profile_profile_id_key' => array ('profile_id'),
'Activitypub_profile_inboxuri_key' => array ('inboxuri'),
),
'foreign keys' => array (
'Activitypub_profile_profile_id_fkey' => array ('profile', array ('profile_id' => 'id')),
),
);
}
/**
* Generates a pretty profile from a Profile object
*
* @param Profile $profile
* @return pretty array to be used in a response
*/
public static function profile_to_array ($profile)
{
$url = $profile->getURL ();
$res = [
'@context' => [
"https://www.w3.org/ns/activitystreams",
[
"@language" => "en"
]
],
'id' => $profile->getID (),
'type' => 'Person',
'nickname' => $profile->getNickname (),
'is_local' => $profile->isLocal (),
'inbox' => "{$url}/inbox.json",
'sharedInbox' => common_root_url ()."inbox.json",
'outbox' => "{$url}/outbox.json",
'display_name' => $profile->getFullname (),
'followers' => "{$url}/followers.json",
'followers_count' => $profile->subscriberCount (),
'following' => "{$url}/following.json",
'following_count' => $profile->subscriptionCount (),
'liked' => "{$url}/liked.json",
'liked_count' => Fave::countByProfile ($profile),
'summary' => ($desc = $profile->getDescription ()) == null ? "" : $desc,
'url' => $profile->getURL (),
'avatar' => [
'type' => 'Image',
'width' => 96,
'height' => 96,
'url' => $profile->avatarUrl (AVATAR_PROFILE_SIZE)
]
];
return $res;
}
/**
* Insert the current objects variables into the database
*
* @access public
* @throws ServerException
*/
public function do_insert ()
{
$profile = new Profile ();
$profile->created = $this->created = $this->modified = common_sql_now ();
$fields = array (
'uri' => 'profileurl',
'nickname' => 'nickname',
'fullname' => 'fullname',
'bio' => 'bio'
);
foreach ($fields as $af => $pf) {
$profile->$pf = $this->$af;
}
$this->profile_id = $profile->insert ();
if ($this->profile_id === false) {
$profile->query ('ROLLBACK');
throw new ServerException ('Profile insertion failed.');
}
$ok = $this->insert ();
if ($ok === false) {
$profile->query ('ROLLBACK');
throw new ServerException ('Cannot save ActivityPub profile.');
}
}
/**
* Fetch the locally stored profile for this Activitypub_profile
* @return Profile
* @throws NoProfileException if it was not found
*/
public function local_profile ()
{
$profile = Profile::getKV ('id', $this->profile_id);
if (!$profile instanceof Profile) {
throw new NoProfileException ($this->profile_id);
}
return $profile;
}
/**
* Generates an Activitypub_profile from a Profile
*
* @param Profile $profile
* @return Activitypub_profile
* @throws Exception if no Activitypub_profile exists for given Profile
*/
static function from_profile (Profile $profile)
{
$profile_id = $profile->getID ();
$aprofile = Activitypub_profile::getKV ('profile_id', $profile_id);
if (!$aprofile instanceof Activitypub_profile) {
// No Activitypub_profile for this profile_id,
if (!$profile->isLocal ()) {
// create one!
$aprofile = self::create_from_local_profile ($profile);
} else {
throw new Exception ('No Activitypub_profile for Profile ID: '.$profile_id. ', this probably is a local profile.');
}
}
foreach ($profile as $key => $value) {
$aprofile->$key = $value;
}
return $aprofile;
}
/**
* Given an existent local profile creates an ActivityPub profile.
* One must be careful not to give a user profile to this function
* as only remote users have ActivityPub_profiles on local instance
*
* @param Profile $profile
* @return Activitypub_profile
*/
private static function create_from_local_profile (Profile $profile)
{
$url = $profile->getURL ();
$inboxes = Activitypub_explorer::get_actor_inboxes_uri ($url);
$aprofile->created = $aprofile->modified = common_sql_now ();
$aprofile = new Activitypub_profile;
$aprofile->profile_id = $profile->getID ();
$aprofile->uri = $url;
$aprofile->nickname = $profile->getNickname ();
$aprofile->fullname = $profile->getFullname ();
$aprofile->bio = substr ($profile->getDescription (), 0, 1000);
$aprofile->inboxuri = $inboxes["inbox"];
$aprofile->sharedInboxuri = $inboxes["sharedInbox"];
$aprofile->insert ();
return $aprofile;
}
/**
* Returns sharedInbox if possible, inbox otherwise
*
* @return string Inbox URL
*/
public function get_inbox ()
{
if (is_null ($this->sharedInboxuri)) {
return $this->inboxuri;
}
return $this->sharedInboxuri;
}
}