gnu-social/actions/groupblock.php

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<?php
/**
* Block a user from a group action class.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
* 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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
}
/**
* Block a user from a group
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*/
class GroupblockAction extends RedirectingAction
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{
var $profile = null;
var $group = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
if (!common_logged_in()) {
// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
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$this->clientError(_('Not logged in.'));
}
$token = $this->trimmed('token');
if (empty($token) || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->clientError(_('There was a problem with your session token. Try again, please.'));
}
$id = $this->trimmed('blockto');
if (empty($id)) {
// TRANS: Client error displayed trying to block a user from a group while not specifying a to be blocked user profile.
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$this->clientError(_('No profile specified.'));
}
$this->profile = Profile::getKV('id', $id);
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if (empty($this->profile)) {
// TRANS: Client error displayed trying to block a user from a group while specifying a non-existing profile.
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$this->clientError(_('No profile with that ID.'));
}
$group_id = $this->trimmed('blockgroup');
if (empty($group_id)) {
// TRANS: Client error displayed trying to block a user from a group while not specifying a group to block a profile from.
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$this->clientError(_('No group specified.'));
}
$this->group = User_group::getKV('id', $group_id);
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if (empty($this->group)) {
// TRANS: Client error displayed trying to block a user from a group while specifying a non-existing group.
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$this->clientError(_('No such group.'));
}
$user = common_current_user();
if (!$user->isAdmin($this->group)) {
// TRANS: Client error displayed trying to block a user from a group while not being an admin user.
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$this->clientError(_('Only an admin can block group members.'), 401);
}
if (Group_block::isBlocked($this->group, $this->profile)) {
// TRANS: Client error displayed trying to block a user from a group while user is already blocked from the given group.
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$this->clientError(_('User is already blocked from group.'));
}
// XXX: could have proactive blocks, but we don't have UI for it.
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if (!$this->profile->isMember($this->group)) {
// TRANS: Client error displayed trying to block a user from a group while user is not a member of given group.
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$this->clientError(_('User is not a member of group.'));
}
return true;
}
/**
* Handle request
*
* Shows a page with list of favorite notices
*
* @param array $args $_REQUEST args; handled in prepare()
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if ($this->arg('no')) {
$this->returnToPrevious();
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} elseif ($this->arg('yes')) {
$this->blockProfile();
} elseif ($this->arg('blockto')) {
$this->showPage();
}
}
}
function showContent() {
$this->areYouSureForm();
}
function title() {
// TRANS: Title for block user from group page.
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return _('Block user from group');
}
function showNoticeForm() {
// nop
}
/**
* Confirm with user.
*
* Shows a confirmation form.
*
* @return void
*/
function areYouSureForm()
{
$id = $this->profile->id;
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$this->elementStart('form', array('id' => 'block-' . $id,
'method' => 'post',
'class' => 'form_settings form_entity_block',
'action' => common_local_url('groupblock')));
$this->elementStart('fieldset');
$this->hidden('token', common_session_token());
// TRANS: Fieldset legend for block user from group form.
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$this->element('legend', _('Block user'));
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$this->element('p', null,
// TRANS: Explanatory text for block user from group form before setting the block.
// TRANS: %1$s is that to be blocked user, %2$s is the group the user will be blocked from.
sprintf(_('Are you sure you want to block user "%1$s" from the group "%2$s"? '.
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'They will be removed from the group, unable to post, and '.
'unable to subscribe to the group in the future.'),
$this->profile->getBestName(),
$this->group->getBestName()));
$this->hidden('blockto-' . $this->profile->id,
$this->profile->id,
'blockto');
$this->hidden('blockgroup-' . $this->group->id,
$this->group->id,
'blockgroup');
foreach ($this->args as $k => $v) {
if (substr($k, 0, 9) == 'returnto-') {
$this->hidden($k, $v);
}
}
$this->submit('form_action-no',
// TRANS: Button label on the form to block a user from a group.
_m('BUTTON','No'),
'submit form_action-primary',
'no',
// TRANS: Submit button title for 'No' when blocking a user from a group.
_('Do not block this user from this group.'));
$this->submit('form_action-yes',
// TRANS: Button label on the form to block a user from a group.
_m('BUTTON','Yes'),
'submit form_action-secondary',
'yes',
// TRANS: Submit button title for 'Yes' when blocking a user from a group.
_('Block this user from this group.'));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
}
/**
* Actually block a user.
*
* @return void
*/
function blockProfile()
{
$block = Group_block::blockProfile($this->group, $this->profile,
common_current_user());
if (empty($block)) {
// TRANS: Server error displayed when trying to block a user from a group fails because of an application error.
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$this->serverError(_("Database error blocking user from group."));
return false;
}
$this->returnToPrevious();
}
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/**
* If we reached this form without returnto arguments, default to
* the top of the group's member list.
*
* @return string URL
*/
function defaultReturnTo()
{
return common_local_url('groupmembers',
array('nickname' => $this->group->nickname));
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}
function showScripts()
{
parent::showScripts();
$this->autofocus('form_action-yes');
}
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}