diff options
Diffstat (limited to 'plugins/OStatus/actions/ostatusinit.php')
| -rw-r--r-- | plugins/OStatus/actions/ostatusinit.php | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/plugins/OStatus/actions/ostatusinit.php b/plugins/OStatus/actions/ostatusinit.php new file mode 100644 index 000000000..8ba8dcdcc --- /dev/null +++ b/plugins/OStatus/actions/ostatusinit.php @@ -0,0 +1,174 @@ +<?php +/* + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2010, StatusNet, Inc. + * + * 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/>. + */ + +/** + * @package OStatusPlugin + * @maintainer James Walker <james@status.net> + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } + + +class OStatusInitAction extends Action +{ + + var $nickname; + var $profile; + var $err; + + function prepare($args) + { + parent::prepare($args); + + if (common_logged_in()) { + $this->clientError(_m('You can use the local subscription!')); + return false; + } + + // Local user the remote wants to subscribe to + $this->nickname = $this->trimmed('nickname'); + + // Webfinger or profile URL of the remote user + $this->profile = $this->trimmed('profile'); + + return true; + } + + function handle($args) + { + parent::handle($args); + + if ($_SERVER['REQUEST_METHOD'] == 'POST') { + /* Use a session token for CSRF protection. */ + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $this->showForm(_m('There was a problem with your session token. '. + 'Try again, please.')); + return; + } + $this->ostatusConnect(); + } else { + $this->showForm(); + } + } + + function showForm($err = null) + { + $this->err = $err; + if ($this->boolean('ajax')) { + header('Content-Type: text/xml;charset=utf-8'); + $this->xw->startDocument('1.0', 'UTF-8'); + $this->elementStart('html'); + $this->elementStart('head'); + $this->element('title', null, _m('Subscribe to user')); + $this->elementEnd('head'); + $this->elementStart('body'); + $this->showContent(); + $this->elementEnd('body'); + $this->elementEnd('html'); + } else { + $this->showPage(); + } + } + + function showContent() + { + $this->elementStart('form', array('id' => 'form_ostatus_connect', + 'method' => 'post', + 'class' => 'form_settings', + 'action' => common_local_url('ostatusinit'))); + $this->elementStart('fieldset'); + $this->element('legend', null, sprintf(_m('Subscribe to %s'), $this->nickname)); + $this->hidden('token', common_session_token()); + + $this->elementStart('ul', 'form_data'); + $this->elementStart('li', array('id' => 'ostatus_nickname')); + $this->input('nickname', _m('User nickname'), $this->nickname, + _m('Nickname of the user you want to follow')); + $this->elementEnd('li'); + $this->elementStart('li', array('id' => 'ostatus_profile')); + $this->input('profile', _m('Profile Account'), $this->profile, + _m('Your account id (i.e. user@identi.ca)')); + $this->elementEnd('li'); + $this->elementEnd('ul'); + $this->submit('submit', _m('Subscribe')); + $this->elementEnd('fieldset'); + $this->elementEnd('form'); + } + + function ostatusConnect() + { + $opts = array('allowed_schemes' => array('http', 'https', 'acct')); + if (Validate::uri($this->profile, $opts)) { + $bits = parse_url($this->profile); + if ($bits['scheme'] == 'acct') { + $this->connectWebfinger($bits['path']); + } else { + $this->connectProfile($this->profile); + } + } elseif (strpos($this->profile, '@') !== false) { + $this->connectWebfinger($this->profile); + } else { + $this->clientError(_m("Must provide a remote profile.")); + } + } + + function connectWebfinger($acct) + { + $disco = new Discovery; + + $result = $disco->lookup($acct); + if (!$result) { + $this->clientError(_m("Couldn't look up OStatus account profile.")); + } + foreach ($result->links as $link) { + if ($link['rel'] == 'http://ostatus.org/schema/1.0/subscribe') { + // We found a URL - let's redirect! + + $user = User::staticGet('nickname', $this->nickname); + $target_profile = common_local_url('userbyid', array('id' => $user->id)); + + $url = Discovery::applyTemplate($link['template'], $target_profile); + common_log(LOG_INFO, "Sending remote subscriber $acct to $url"); + common_redirect($url, 303); + } + + } + $this->clientError(_m("Couldn't confirm remote profile address.")); + } + + function connectProfile($subscriber_profile) + { + $user = User::staticGet('nickname', $this->nickname); + $target_profile = common_local_url('userbyid', array('id' => $user->id)); + + // @fixme hack hack! We should look up the remote sub URL from XRDS + $suburl = preg_replace('!^(.*)/(.*?)$!', '$1/main/ostatussub', $subscriber_profile); + $suburl .= '?profile=' . urlencode($target_profile); + + common_log(LOG_INFO, "Sending remote subscriber $subscriber_profile to $suburl"); + common_redirect($suburl, 303); + } + + function title() + { + return _m('OStatus Connect'); + } + +} |