gnu-social/actions/deleteuser.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Action class to delete a user
*
* 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 Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @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); }
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/**
* Delete a user
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*/
class DeleteuserAction extends ProfileFormAction
{
var $user = null;
function prepare(array $args=array())
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{
if (!parent::prepare($args)) {
return false;
}
assert($this->scoped instanceof Profile);
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if (!$this->scoped->hasRight(Right::DELETEUSER)) {
// TRANS: Client error displayed when trying to delete a user without having the right to delete users.
throw new AuthorizationException(_('You cannot delete users.'));
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}
try {
$this->user = $this->profile->getUser();
} catch (NoSuchUserException $e) {
// TRANS: Client error displayed when trying to delete a non-local user.
throw new ClientException(_('You can only delete local users.'));
}
// Only administrators can delete other privileged users (such as others who have the right to silence).
if ($this->profile->isPrivileged() && !$this->scoped->hasRole(Profile_role::ADMINISTRATOR)) {
// TRANS: Client error displayed when trying to delete a user that has been granted moderation privileges
throw new AuthorizationException(_('You cannot delete other privileged users.'));
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}
return true;
}
/**
* Handle request
*
* Shows a page with list of favorite notices
*
* @param array $args $_REQUEST args; handled in prepare()
*
* @return void
*/
function handle()
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{
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if ($this->arg('no')) {
$this->returnToPrevious();
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} elseif ($this->arg('yes')) {
$this->handlePost();
$this->returnToPrevious();
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} else {
$this->showPage();
}
}
}
function showContent() {
$this->areYouSureForm();
$block = new AccountProfileBlock($this, $this->profile);
$block->show();
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}
function title() {
// TRANS: Title of delete user page.
return _m('TITLE','Delete user');
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}
function showNoticeForm() {
// nop
}
/**
* Confirm with user.
*
* Shows a confirmation form.
*
* @return void
*/
function areYouSureForm()
{
$id = $this->profile->id;
$this->elementStart('form', array('id' => 'deleteuser-' . $id,
'method' => 'post',
'class' => 'form_settings form_entity_block',
'action' => common_local_url('deleteuser')));
$this->elementStart('fieldset');
$this->hidden('token', common_session_token());
// TRANS: Fieldset legend on delete user page.
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$this->element('legend', _('Delete user'));
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if (Event::handle('StartDeleteUserForm', array($this, $this->user))) {
$this->element('p', null,
// TRANS: Information text to request if a user is certain that the described action has to be performed.
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_('Are you sure you want to delete this user? '.
'This will clear all data about the user from the '.
'database, without a backup.'));
$this->element('input', array('id' => 'deleteuserto-' . $id,
'name' => 'profileid',
'type' => 'hidden',
'value' => $id));
foreach ($this->args as $k => $v) {
if (substr($k, 0, 9) == 'returnto-') {
$this->hidden($k, $v);
}
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}
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Event::handle('EndDeleteUserForm', array($this, $this->user));
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}
$this->submit('form_action-no',
// TRANS: Button label on the delete user form.
_m('BUTTON','No'),
'submit form_action-primary',
'no',
// TRANS: Submit button title for 'No' when deleting a user.
_('Do not delete this user.'));
$this->submit('form_action-yes',
// TRANS: Button label on the delete user form.
_m('BUTTON','Yes'),
'submit form_action-secondary',
'yes',
// TRANS: Submit button title for 'Yes' when deleting a user.
_('Delete this user.'));
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$this->elementEnd('fieldset');
$this->elementEnd('form');
}
/**
* Actually delete a user.
*
* @return void
*/
function handlePost()
{
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if (Event::handle('StartDeleteUser', array($this, $this->user))) {
// Mark the account as deleted and shove low-level deletion tasks
// to background queues. Removing a lot of posts can take a while...
if (!$this->user->hasRole(Profile_role::DELETED)) {
$this->user->grantRole(Profile_role::DELETED);
}
$qm = QueueManager::get();
$qm->enqueue($this->user, 'deluser');
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Event::handle('EndDeleteUser', array($this, $this->user));
}
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}
}