gnu-social/actions/twitapigroups.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* StatusNet extensions to the Twitter-like API for groups
*
* 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 Twitter
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Zach Copley <zach@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
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* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/twitterapi.php';
/**
* Group-specific API methods
*
* This class handles StatusNet group API methods.
*
* @category Twitter
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Zach Copley <zach@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
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* @link http://status.net/
*/
class TwitapigroupsAction extends TwitterapiAction
{
function list_groups($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$user = $this->get_user($apidata['api_arg'], $apidata);
if (empty($user)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return;
}
$page = (int)$this->arg('page', 1);
$count = (int)$this->arg('count', 20);
$max_id = (int)$this->arg('max_id', 0);
$since_id = (int)$this->arg('since_id', 0);
$since = $this->arg('since');
$group = $user->getGroups(($page-1)*$count,
$count, $since_id, $max_id, $since);
$sitename = common_config('site', 'name');
$title = sprintf(_("%s's groups"), $user->nickname);
$taguribase = common_config('integration', 'taguri');
$id = "tag:$taguribase:Groups";
$link = common_root_url();
$subtitle = sprintf(_("groups %s is a member of on %s"), $user->nickname, $sitename);
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_groups($group);
break;
case 'rss':
$this->show_rss_groups($group, $title, $link, $subtitle);
break;
case 'atom':
$selfuri = common_root_url() . 'api/statusnet/groups/list/' . $user->id . '.atom';
$this->show_atom_groups($group, $title, $id, $link,
$subtitle, $selfuri);
break;
case 'json':
$this->show_json_groups($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
break;
}
}
function list_all($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$page = (int)$this->arg('page', 1);
$count = (int)$this->arg('count', 20);
$max_id = (int)$this->arg('max_id', 0);
$since_id = (int)$this->arg('since_id', 0);
$since = $this->arg('since');
/* TODO:
Use the $page, $count, $max_id, $since_id, and $since parameters
*/
$group = new User_group();
$group->orderBy('created DESC');
$group->find();
$sitename = common_config('site', 'name');
$title = sprintf(_("%s groups"), $sitename);
$taguribase = common_config('integration', 'taguri');
$id = "tag:$taguribase:Groups";
$link = common_root_url();
$subtitle = sprintf(_("groups on %s"), $sitename);
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_groups($group);
break;
case 'rss':
$this->show_rss_groups($group, $title, $link, $subtitle);
break;
case 'atom':
$selfuri = common_root_url() . 'api/statusnet/groups/list_all.atom';
$this->show_atom_groups($group, $title, $id, $link,
$subtitle, $selfuri);
break;
case 'json':
$this->show_json_groups($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
break;
}
}
function show($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = $this->get_group($apidata['api_arg'], $apidata);
if (empty($group)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return;
}
switch($apidata['content-type']) {
case 'xml':
$this->show_single_xml_group($group);
break;
case 'json':
$this->show_single_json_group($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function timeline($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = $this->get_group($apidata['api_arg'], $apidata);
if (empty($group)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return;
}
$sitename = common_config('site', 'name');
$title = sprintf(_("%s timeline"), $group->nickname);
$taguribase = common_config('integration', 'taguri');
$id = "tag:$taguribase:GroupTimeline:".$group->id;
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$link = common_local_url('showgroup',
array('nickname' => $group->nickname));
$subtitle = sprintf(_('Updates from %1$s on %2$s!'),
$group->nickname, $sitename);
$page = (int)$this->arg('page', 1);
$count = (int)$this->arg('count', 20);
$max_id = (int)$this->arg('max_id', 0);
$since_id = (int)$this->arg('since_id', 0);
$since = $this->arg('since');
$notice = $group->getNotices(($page-1)*$count,
$count, $since_id, $max_id, $since);
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_timeline($notice);
break;
case 'rss':
$this->show_rss_timeline($notice, $title, $link, $subtitle);
break;
case 'atom':
if (isset($apidata['api_arg'])) {
$selfuri = common_root_url() .
'api/statusnet/groups/timeline/' .
$apidata['api_arg'] . '.atom';
} else {
$selfuri = common_root_url() .
'api/statusnet/groups/timeline.atom';
}
$this->show_atom_timeline($notice, $title, $id, $link,
$subtitle, null, $selfuri);
break;
case 'json':
$this->show_json_timeline($notice);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function membership($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = $this->get_group($apidata['api_arg'], $apidata);
if (empty($group)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return;
}
$sitename = common_config('site', 'name');
$title = sprintf(_("Members of %s group"), $group->nickname);
$taguribase = common_config('integration', 'taguri');
$id = "tag:$taguribase:GroupMembership:".$group->id;
$link = common_local_url('showgroup',
array('nickname' => $group->nickname));
$subtitle = sprintf(_('Members of %1$s on %2$s'),
$group->nickname, $sitename);
$page = (int)$this->arg('page', 1);
$count = (int)$this->arg('count', 20);
$max_id = (int)$this->arg('max_id', 0);
$since_id = (int)$this->arg('since_id', 0);
$since = $this->arg('since');
$member = $group->getMembers(($page-1)*$count,
$count, $since_id, $max_id, $since);
switch($apidata['content-type']) {
case 'xml':
$this->show_twitter_xml_users($member);
break;
//TODO implement the RSS and ATOM content types
/*case 'rss':
$this->show_rss_users($member, $title, $link, $subtitle);
break;*/
/*case 'atom':
if (isset($apidata['api_arg'])) {
$selfuri = common_root_url() .
'api/statusnet/groups/membership/' .
$apidata['api_arg'] . '.atom';
} else {
$selfuri = common_root_url() .
'api/statusnet/groups/membership.atom';
}
$this->show_atom_users($member, $title, $id, $link,
$subtitle, null, $selfuri);
break;*/
case 'json':
$this->show_json_users($member);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function join($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = $this->get_group($apidata['api_arg'], $apidata);
if (empty($group)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return false;
}
if($this->auth_user->isMember($group)){
$this->clientError(_('You are already a member of that group'), $code = 403);
return false;
}
if (Group_block::isBlocked($group, $this->auth_user->getProfile())) {
$this->clientError(_('You have been blocked from that group by the admin.'), 403);
return false;
}
$member = new Group_member();
$member->group_id = $group->id;
$member->profile_id = $this->auth_user->id;
$member->created = common_sql_now();
$result = $member->insert();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
$this->serverError(sprintf(_('Could not join user %s to group %s'),
$this->auth_user->nickname, $group->nickname));
}
switch($apidata['content-type']) {
case 'xml':
$this->show_single_xml_group($group);
break;
case 'json':
$this->show_single_json_group($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function leave($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = $this->get_group($apidata['api_arg'], $apidata);
if (empty($group)) {
$this->clientError('Not Found', 404, $apidata['content-type']);
return false;
}
if(! $this->auth_user->isMember($group)){
$this->clientError(_('You are not a member of that group'), $code = 403);
return false;
}
$member = new Group_member();
$member->group_id = $group->id;
$member->profile_id = $this->auth_user->id;
if (!$member->find(true)) {
$this->serverError(_('Could not find membership record.'));
return;
}
$result = $member->delete();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
$this->serverError(sprintf(_('Could not remove user %s to group %s'),
$this->auth_user->nickname, $group->nickname));
}
switch($apidata['content-type']) {
case 'xml':
$this->show_single_xml_group($group);
break;
case 'json':
$this->show_single_json_group($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function is_member($args, $apidata)
{
parent::handle($args);
common_debug("in groups api action");
$this->auth_user = $apidata['user'];
$group = User_group::staticGet($args['group_id']);
if(! $group){
$this->clientError(_('Group not found'), $code = 500);
}
$user = User::staticGet('id', $args['user_id']);
if(! $user){
$this->clientError(_('User not found'), $code = 500);
}
$is_member=$user->isMember($group);
switch($apidata['content-type']) {
case 'xml':
$this->init_document('xml');
$this->element('is_member', null, $is_member);
$this->end_document('xml');
break;
case 'json':
$this->init_document('json');
$this->show_json_objects(array('is_member'=>$is_member));
$this->end_document('json');
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function create($args, $apidata)
{
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parent::handle($args);
common_debug("in groups api action");
if (!common_config('inboxes','enabled')) {
$this->serverError(_('Inboxes must be enabled for groups to work'));
return false;
}
$this->auth_user = $apidata['user'];
$nickname = $args['nickname'];
$fullname = $args['full_name'];
$homepage = $args['homepage'];
$description = $args['description'];
$location = $args['location'];
$aliasstring = $args['aliases'];
if (!Validate::string($nickname, array('min_length' => 1,
'max_length' => 64,
'format' => NICKNAME_FMT))) {
$this->clientError(_('Nickname must have only lowercase letters '.
'and numbers and no spaces.'), $code=403);
return;
} else if ($this->groupNicknameExists($nickname)) {
$this->clientError(_('Nickname already in use. Try another one.'), $code=403);
return;
} else if (!User_group::allowedNickname($nickname)) {
$this->clientError(_('Not a valid nickname.'), $code=403);
return;
} else if (!is_null($homepage) && (strlen($homepage) > 0) &&
!Validate::uri($homepage,
array('allowed_schemes' =>
array('http', 'https')))) {
$this->clientError(_('Homepage is not a valid URL.'), $code=403);
return;
} else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
$this->clientError(_('Full name is too long (max 255 chars).'), $code=403);
return;
} else if (User_group::descriptionTooLong($description)) {
$this->clientError(sprintf(_('description is too long (max %d chars).'), User_group::maxDescription()), $code=403);
return;
} else if (!is_null($location) && mb_strlen($location) > 255) {
$this->clientError(_('Location is too long (max 255 chars).'), $code=403);
return;
}
if (!empty($aliasstring)) {
$aliases = array_map('common_canonical_nickname', array_unique(preg_split('/[\s,]+/', $aliasstring)));
} else {
$aliases = array();
}
if (count($aliases) > common_config('group', 'maxaliases')) {
$this->clientError(sprintf(_('Too many aliases! Maximum %d.'),
common_config('group', 'maxaliases')), $code=403);
return;
}
foreach ($aliases as $alias) {
if (!Validate::string($alias, array('min_length' => 1,
'max_length' => 64,
'format' => NICKNAME_FMT))) {
$this->clientError(sprintf(_('Invalid alias: "%s"'), $alias), $code=403);
return;
}
if ($this->groupNicknameExists($alias)) {
$this->clientError(sprintf(_('Alias "%s" already in use. Try another one.'),
$alias), $code=403);
return;
}
// XXX assumes alphanum nicknames
if (strcmp($alias, $nickname) == 0) {
$this->clientError(_('Alias can\'t be the same as nickname.'), $code=403);
return;
}
}
$group = new User_group();
$group->query('BEGIN');
$group->nickname = $nickname;
$group->fullname = $fullname;
$group->homepage = $homepage;
$group->description = $description;
$group->location = $location;
$group->created = common_sql_now();
$result = $group->insert();
if (!$result) {
common_log_db_error($group, 'INSERT', __FILE__);
$this->serverError(_('Could not create group.'));
}
$result = $group->setAliases($aliases);
if (!$result) {
$this->serverError(_('Could not create aliases.'));
}
$member = new Group_member();
$member->group_id = $group->id;
$member->profile_id = $this->auth_user->id;
$member->is_admin = 1;
$member->created = $group->created;
$result = $member->insert();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
$this->serverError(_('Could not set group membership.'));
}
$group->query('COMMIT');
switch($apidata['content-type']) {
case 'xml':
$this->show_single_xml_group($group);
break;
case 'json':
$this->show_single_json_group($group);
break;
default:
$this->clientError(_('API method not found!'), $code = 404);
}
}
function update($args, $apidata)
{
die("todo");
}
function update_group_logo($args, $apidata)
{
die("todo");
}
function destroy($args, $apidata)
{
die("todo");
}
function tag($args, $apidata)
{
die("todo");
}
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function groupNicknameExists($nickname)
{
$group = User_group::staticGet('nickname', $nickname);
if (!empty($group)) {
return true;
}
$alias = Group_alias::staticGet('alias', $nickname);
if (!empty($alias)) {
return true;
}
return false;
}
}