gnu-social/actions/apigroupcreate.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Create a group via the API
*
* 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 API
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
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* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Zach Copley <zach@status.net>
* @copyright 2009 StatusNet, Inc.
* @copyright 2009 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('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/lib/apiauth.php';
/**
* Make a new group. Sets the authenticated user as the administrator of the group.
*
* @category API
* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApiGroupCreateAction extends ApiAuthAction
{
var $group = null;
var $nickname = null;
var $fullname = null;
var $homepage = null;
var $description = null;
var $location = null;
var $aliasstring = null;
var $aliases = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
$this->user = $this->auth_user;
$this->nickname = Nickname::normalize($this->arg('nickname'));
$this->fullname = $this->arg('full_name');
$this->homepage = $this->arg('homepage');
$this->description = $this->arg('description');
$this->location = $this->arg('location');
$this->aliasstring = $this->arg('aliases');
return true;
}
/**
* Handle the request
*
* Save the new group
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->clientError(
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// TRANS: Client error. POST is a HTTP command. It should not be translated.
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_('This method requires a POST.'),
400,
$this->format
);
return;
}
if (empty($this->user)) {
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// TRANS: Client error given when a user was not found (404).
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$this->clientError(_('No such user.'), 404, $this->format);
return;
}
if ($this->validateParams() == false) {
return;
}
$group = User_group::register(array('nickname' => $this->nickname,
'fullname' => $this->fullname,
'homepage' => $this->homepage,
'description' => $this->description,
'location' => $this->location,
'aliases' => $this->aliases,
'userid' => $this->user->id,
'local' => true));
switch($this->format) {
case 'xml':
$this->showSingleXmlGroup($group);
break;
case 'json':
$this->showSingleJsonGroup($group);
break;
default:
$this->clientError(
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// TRANS: Client error displayed when coming across a non-supported API method.
_('API method not found.'),
404,
$this->format
);
break;
}
}
/**
* Validate params for the new group
*
* @return void
*/
function validateParams()
{
if ($this->groupNicknameExists($this->nickname)) {
$this->clientError(
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// TRANS: Client error trying to create a group with a nickname this is already in use.
_('Nickname already in use. Try another one.'),
403,
$this->format
);
return false;
} else if (!User_group::allowedNickname($this->nickname)) {
$this->clientError(
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// TRANS: Client error in form for group creation.
_('Not a valid nickname.'),
403,
$this->format
);
return false;
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} elseif (
!is_null($this->homepage)
&& strlen($this->homepage) > 0
&& !Validate::uri(
$this->homepage, array(
'allowed_schemes' =>
array('http', 'https')
)
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)) {
$this->clientError(
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// TRANS: Client error in form for group creation.
_('Homepage is not a valid URL.'),
403,
$this->format
);
return false;
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} elseif (
!is_null($this->fullname)
&& mb_strlen($this->fullname) > 255) {
$this->clientError(
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// TRANS: Client error in form for group creation.
_('Full name is too long (maximum 255 characters).'),
403,
$this->format
);
return false;
} elseif (User_group::descriptionTooLong($this->description)) {
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$this->clientError(
sprintf(
// TRANS: Client error shown when providing too long a description during group creation.
// TRANS: %d is the maximum number of allowed characters.
_m('Description is too long (maximum %d character).',
'Description is too long (maximum %d characters).',
User_group::maxDescription()),
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User_group::maxDescription()
),
403,
$this->format
);
return false;
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} elseif (
!is_null($this->location)
&& mb_strlen($this->location) > 255) {
$this->clientError(
// TRANS: Client error shown when providing too long a location during group creation.
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_('Location is too long (maximum 255 characters).'),
403,
$this->format
);
return false;
}
if (!empty($this->aliasstring)) {
$this->aliases = array_map(
'common_canonical_nickname',
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array_unique(preg_split('/[\s,]+/', $this->aliasstring))
);
} else {
$this->aliases = array();
}
if (count($this->aliases) > common_config('group', 'maxaliases')) {
$this->clientError(
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sprintf(
// TRANS: Client error shown when providing too many aliases during group creation.
// TRANS: %d is the maximum number of allowed aliases.
_m('Too many aliases! Maximum %d allowed.',
'Too many aliases! Maximum %d allowed.',
common_config('group', 'maxaliases')),
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common_config('group', 'maxaliases')
),
403,
$this->format
);
return false;
}
foreach ($this->aliases as $alias) {
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if (!Nickname::isValid($alias)) {
$this->clientError(
// TRANS: Client error shown when providing an invalid alias during group creation.
// TRANS: %s is the invalid alias.
sprintf(_('Invalid alias: "%s".'), $alias),
403,
$this->format
);
return false;
}
if ($this->groupNicknameExists($alias)) {
$this->clientError(
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sprintf(
// TRANS: Client error displayed when trying to use an alias during group creation that is already in use.
// TRANS: %s is the alias that is already in use.
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_('Alias "%s" already in use. Try another one.'),
$alias
),
403,
$this->format
);
return false;
}
// XXX assumes alphanum nicknames
if (strcmp($alias, $this->nickname) == 0) {
$this->clientError(
// TRANS: Client error displayed when trying to use an alias during group creation that is the same as the group's nickname.
_('Alias can\'t be the same as nickname.'),
403,
$this->format
);
return false;
}
}
// Everything looks OK
return true;
}
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/**
* Check to see whether a nickname is already in use by a group
*
* @param String $nickname The nickname in question
*
* @return boolean true or false
*/
function groupNicknameExists($nickname)
{
$local = Local_group::getKV('nickname', $nickname);
if (!empty($local)) {
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return true;
}
$alias = Group_alias::getKV('alias', $nickname);
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if (!empty($alias)) {
return true;
}
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return false;
}
}