gnu-social/plugins/GroupPrivateMessage/GroupPrivateMessagePlugin.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
* Private groups for StatusNet 0.9.x
*
* PHP version 5
*
* 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 Privacy
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Private groups
*
* This plugin allows users to send private messages to a group.
*
* @category Privacy
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
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class GroupPrivateMessagePlugin extends Plugin
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{
/**
* Database schema setup
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing user-submitted flags on profiles
$schema->ensureTable('group_privacy_settings',
array(new ColumnDef('group_id',
'integer',
null,
false,
'PRI'),
new ColumnDef('allow_privacy',
'integer'),
new ColumnDef('allow_sender',
'integer'),
new ColumnDef('created',
'datetime'),
new ColumnDef('modified',
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'timestamp')));
$schema->ensureTable('group_message',
array(new ColumnDef('id',
'char',
36,
false,
'PRI'),
new ColumnDef('uri',
'varchar',
255,
false,
'UNI'),
new ColumnDef('from_profile',
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'integer',
null,
false,
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'MUL'),
new ColumnDef('to_group',
'integer',
null,
false,
'MUL'),
new ColumnDef('content',
'text'),
new ColumnDef('rendered',
'text'),
new ColumnDef('url',
'varchar',
255,
false,
'UNI'),
new ColumnDef('created',
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'datetime')));
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$schema->ensureTable('group_message_profile',
array(new ColumnDef('to_profile',
'integer',
null,
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false,
'PRI'),
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new ColumnDef('group_message_id',
'char',
36,
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false,
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'PRI'),
new ColumnDef('created',
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'datetime')));
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return true;
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'GroupinboxAction':
case 'ShowgroupmessageAction':
case 'NewgroupmessageAction':
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include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'Group_privacy_settings':
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case 'Group_message':
case 'Group_message_profile':
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include_once $dir . '/'.$cls.'.php';
return false;
case 'GroupMessageCommand':
case 'GroupMessageList':
case 'GroupMessageListItem':
case 'GroupMessageForm':
include_once $dir . '/'.strtolower($cls).'.php';
return false;
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default:
return true;
}
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value
*/
function onRouterInitialized($m)
{
$m->connect('group/:nickname/inbox',
array('action' => 'groupinbox'),
array('nickname' => Nickname::DISPLAY_FMT));
$m->connect('group/message/:id',
array('action' => 'showgroupmessage'),
array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
$m->connect('group/:nickname/message/new',
array('action' => 'newgroupmessage'),
array('nickname' => Nickname::DISPLAY_FMT));
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return true;
}
/**
* Add group inbox to the menu
*
* @param Action $action The current action handler. Use this to
* do any output.
*
* @return boolean hook value; true means continue processing, false means stop.
*
* @see Action
*/
function onEndGroupGroupNav($groupnav)
{
$action = $groupnav->action;
$group = $groupnav->group;
$action->menuItem(common_local_url('groupinbox',
array('nickname' => $group->nickname)),
_m('Inbox'),
_m('Private messages for this group'),
$action->trimmed('action') == 'groupinbox',
'nav_group_inbox');
return true;
}
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/**
* Create default group privacy settings at group create time
*
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* @param User_group $group Group that was just created
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*
* @result boolean hook value
*/
function onEndGroupSave($group)
{
$gps = new Group_privacy_settings();
$gps->group_id = $group->id;
$gps->allow_privacy = Group_privacy_settings::SOMETIMES;
$gps->allow_sender = Group_privacy_settings::MEMBER;
$gps->created = common_sql_now();
$gps->modified = $gps->created;
// This will throw an exception on error
$gps->insert();
return true;
}
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/**
* Show group privacy controls on group edit form
*
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* @param GroupEditForm $form form being shown
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*/
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function onEndGroupEditFormData($form)
{
$gps = null;
if (!empty($form->group)) {
$gps = Group_privacy_settings::staticGet('group_id', $form->group->id);
}
$form->out->elementStart('li');
$form->out->dropdown('allow_privacy',
_('Private messages'),
array(Group_privacy_settings::SOMETIMES => _('Sometimes'),
Group_privacy_settings::ALWAYS => _('Always'),
Group_privacy_settings::NEVER => _('Never')),
_('Whether to allow private messages to this group'),
false,
(empty($gps)) ? Group_privacy_settings::SOMETIMES : $gps->allow_privacy);
$form->out->elementEnd('li');
$form->out->elementStart('li');
$form->out->dropdown('allow_sender',
_('Private sender'),
array(Group_privacy_settings::EVERYONE => _('Everyone'),
Group_privacy_settings::MEMBER => _('Member'),
Group_privacy_settings::ADMIN => _('Admin')),
_('Who can send private messages to the group'),
false,
(empty($gps)) ? Group_privacy_settings::MEMBER : $gps->allow_sender);
$form->out->elementEnd('li');
return true;
}
function onEndGroupSaveForm($action)
{
$gps = null;
if (!empty($action->group)) {
$gps = Group_privacy_settings::staticGet('group_id', $action->group->id);
}
$orig = null;
if (empty($gps)) {
$gps = new Group_privacy_settings();
$gps->group_id = $action->group->id;
} else {
$orig = clone($gps);
}
$gps->allow_privacy = $action->trimmed('allow_privacy');
$gps->allow_sender = $action->trimmed('allow_sender');
if (empty($orig)) {
$gps->created = common_sql_now();
$gps->insert();
} else {
$gps->update($orig);
}
return true;
}
/**
* Overload 'd' command to send private messages to groups.
*
* 'd !group word word word' will send the private message
* 'word word word' to the group 'group'.
*
* @param string $cmd Command being run
* @param string $arg Rest of the message (including address)
* @param User $user User sending the message
* @param Command &$result The resulting command object to be run.
*
* @return boolean hook value
*/
function onStartIntepretCommand($cmd, $arg, $user, &$result)
{
if ($cmd == 'd' || $cmd == 'dm') {
$this->debug('Got a d command');
// Break off the first word as the address
$pieces = explode(' ', $arg, 2);
if (count($pieces) == 1) {
$pieces[] = null;
}
list($addr, $msg) = $pieces;
if (!empty($addr) && $addr[0] == '!') {
$result = new GroupMessageCommand($user, substr($addr, 1), $msg);
Event::handle('EndInterpretCommand', array($cmd, $arg, $user, $result));
return false;
}
}
return true;
}
/**
* To add a "Message" button to the group profile page
*
* @param Widget $widget The showgroup action being shown
* @param User_group $group The current group
*
* @return boolean hook value
*/
function onEndGroupActionsList($widget, $group)
{
$cur = common_current_user();
$action = $widget->out;
if (empty($cur)) {
return true;
}
try {
Group_privacy_settings::ensurePost($cur, $group);
} catch (Exception $e) {
return true;
}
$action->elementStart('li', 'entity_send-a-message');
$action->element('a', array('href' => common_local_url('newgroupmessage', array('nickname' => $group->nickname)),
'title' => _('Send a direct message to this group')),
_('Message'));
// $form = new GroupMessageForm($action, $group);
// $form->hidden = true;
// $form->show();
$action->elementEnd('li');
return true;
}
/**
* When saving a notice, check its groups. If any of them has
* privacy == always, force a group private message to all mentioned groups.
* If any of the groups disallows private messages, skip it.
*
* @param
*
*/
function onStartNoticeSave(&$notice) {
// Look for group tags
// FIXME: won't work for remote groups
// @fixme if Notice::saveNew is refactored so we can just pull its list
// of groups between processing and saving, make use of it
$count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
strtolower($notice->content),
$match);
$groups = array();
$ignored = array();
$forcePrivate = false;
$profile = $notice->getProfile();
if ($count > 0) {
/* Add them to the database */
foreach (array_unique($match[1]) as $nickname) {
$group = User_group::getForNickname($nickname, $profile);
if (empty($group)) {
continue;
}
$gps = Group_privacy_settings::forGroup($group);
switch ($gps->allow_privacy) {
case Group_privacy_settings::ALWAYS:
$forcePrivate = true;
// fall through
case Group_privacy_settings::SOMETIMES:
$groups[] = $group;
break;
case Group_privacy_settings::NEVER:
$ignored[] = $group;
break;
}
}
if ($forcePrivate) {
foreach ($ignored as $group) {
common_log(LOG_NOTICE,
"Notice forced to group direct message ".
"but group ".$group->nickname." does not allow them.");
}
$user = User::staticGet('id', $notice->profile_id);
if (empty($user)) {
common_log(LOG_WARNING,
"Notice forced to group direct message ".
"but profile ".$notice->profile_id." is not a local user.");
} else {
foreach ($groups as $group) {
Group_message::send($user, $group, $notice->content);
}
}
// Don't save the notice!
// FIXME: this is probably cheating.
throw new ClientException(sprintf(_('Forced notice to private group message.')),
200);
}
}
return true;
}
/**
* Show an indicator that the group is (essentially) private on the group page
*
* @param Action $action The action being shown
* @param User_group $group The group being shown
*
* @return boolean hook value
*/
function onEndGroupProfileElements($action, $group)
{
$gps = Group_privacy_settings::forGroup($group);
if ($gps->allow_privacy == Group_privacy_settings::ALWAYS) {
$action->element('p', 'privategroupindicator', _('Private'));
}
return true;
}
function onStartShowExportData($action)
{
if ($action instanceof ShowgroupAction) {
$gps = Group_privacy_settings::forGroup($action->group);
if ($gps->allow_privacy == Group_privacy_settings::ALWAYS) {
return false;
}
}
return true;
}
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function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'GroupPrivateMessage',
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'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:GroupPrivateMessage',
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'rawdescription' =>
_m('Allow posting DMs to a group.'));
return true;
}
}