gnu-social/plugins/Autocomplete/actions/autocomplete.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* List profiles and groups for autocompletion
*
* PHP version 5
*
* 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 StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @copyright 2008-2009 StatusNet, Inc.
* @copyright 2009-2013 Free Software Foundation, Inc http://www.fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* List users for autocompletion
*
* This is the form for adding a new g
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class AutocompleteAction extends Action
{
protected $needLogin = true;
private $result;
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/**
* Last-modified date for page
*
* When was the content of this page last modified? Based on notice,
* profile, avatar.
*
* @return int last-modified date as unix timestamp
*/
function lastModified()
{
$max=0;
foreach($this->profiles as $profile){
$max = max($max, strtotime($profile->modified));
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}
foreach($this->groups as $group){
$max = max($max,strtotime($group->modified));
}
// but maybe this file has been modified after that and could
// respond differently
return max($max, filemtime(__FILE__));
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}
/**
* An entity tag for this page
*
* Shows the ETag for the page, based on the notice ID and timestamps
* for the notice, profile, and avatar. It's weak, since we change
* the date text "one hour ago", etc.
*
* @return string etag
*/
function etag()
{
return '"' . implode(':', array($this->arg('action'),
common_user_cache_hash(),
crc32($this->arg('term')), //the actual string can have funny characters in we don't want showing up in the etag
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$this->arg('limit'),
$this->lastModified())) . '"';
}
protected function prepare(array $args=array())
{
// If we die, show short error messages.
GNUsocial::setApi(true);
parent::prepare($args);
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$this->groups=array();
$this->profiles=array();
$term = $this->arg('term');
$limit = $this->arg('limit');
if($limit > 200) $limit=200; //prevent DOS attacks
if(substr($term,0,1)=='@'){
//profile search
$term=substr($term,1);
$user_table = common_database_tablename('user');
$profile = new Profile();
$profile->limit($limit);
$profile->whereAdd('nickname like \'' . trim($profile->escape($term), '\'') . '%\'');
$profile->whereAdd(sprintf('id in (SELECT id FROM %s) OR '
. 'id in (SELECT subscribed from subscription'
. ' where subscriber = %d)', $user_table, $this->scoped->id));
if ($profile->find()) {
while($profile->fetch()) {
$this->profiles[]=clone($profile);
}
}
}
if(substr($term,0,1)=='!'){
//group search
$term=substr($term,1);
$group = new User_group();
$group->limit($limit);
$group->whereAdd('nickname like \'' . trim($group->escape($term), '\'') . '%\'');
//Can't post to groups we're not subscribed to...:
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$group->whereAdd(sprintf('id in (SELECT group_id FROM group_member'
. ' WHERE profile_id = %d)', $this->scoped->id));
if($group->find()){
while($group->fetch()) {
$this->groups[]=clone($group);
}
}
}
return true;
}
protected function handle()
{
parent::handle();
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$results = array();
foreach($this->profiles as $profile){
$avatarUrl = $profile->avatarUrl(AVATAR_MINI_SIZE);
$acct = $profile->getAcctUri();
$identifier = explode(':', $profile->getAcctUri(), 2)[1];
$results[] = array(
'value' => '@'.$identifier,
'nickname' => $profile->getNickname(),
'acct_uri' => $acct,
'label'=> "${identifier} (".$profile->getFullname().")",
'avatar' => $avatarUrl,
'type' => 'user'
);
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}
foreach($this->groups as $group){
$profile = $group->getProfile();
// sigh.... encapsulate this upstream!
if ($group->mini_logo) {
$avatarUrl = $group->mini_logo;
} else {
$avatarUrl = User_group::defaultLogo(AVATAR_MINI_SIZE);
}
$acct = $profile->getAcctUri();
$identifier = explode(':', $profile->getAcctUri(), 2)[1];
$results[] = array(
'value' => '!'.$identifier,
'nickname' => $group->getNickname(),
'acct_uri' => $acct,
'label'=> "${identifier} (".$group->getFullname().")",
'avatar' => $avatarUrl,
'type' => 'group');
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}
print json_encode($results);
}
/**
* Is this action read-only?
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
}