551 lines
20 KiB
PHP
551 lines
20 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) { exit(1); }
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require_once(INSTALLDIR.'/lib/omb.php');
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define('TIMESTAMP_THRESHOLD', 300);
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class UserauthorizationAction extends Action
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{
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var $error;
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var $params;
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function handle($args)
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{
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parent::handle($args);
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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# CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$params = $this->getStoredParams();
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$this->showForm($params, _('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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# We've shown the form, now post user's choice
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$this->sendAuthorization();
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} else {
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if (!common_logged_in()) {
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# Go log in, and then come back
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common_set_returnto($_SERVER['REQUEST_URI']);
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if (!common_config('site', 'openidonly')) {
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common_redirect(common_local_url('login'));
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} else {
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common_redirect(common_local_url('openidlogin'));
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}
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return;
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}
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try {
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$this->validateRequest();
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$this->storeParams($_GET);
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$this->showForm($_GET);
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} catch (OAuthException $e) {
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$this->clearParams();
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$this->clientError($e->getMessage());
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return;
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}
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}
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}
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function showForm($params, $error=null)
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{
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$this->params = $params;
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$this->error = $error;
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$this->showPage();
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}
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function title()
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{
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return _('Authorize subscription');
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}
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function showPageNotice()
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{
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$this->element('p', null, _('Please check these details to make sure '.
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'that you want to subscribe to this user\'s notices. '.
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'If you didn\'t just ask to subscribe to someone\'s notices, '.
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'click "Reject".'));
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}
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function showContent()
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{
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$params = $this->params;
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$nickname = $params['omb_listenee_nickname'];
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$profile = $params['omb_listenee_profile'];
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$license = $params['omb_listenee_license'];
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$fullname = $params['omb_listenee_fullname'];
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$homepage = $params['omb_listenee_homepage'];
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$bio = $params['omb_listenee_bio'];
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$location = $params['omb_listenee_location'];
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$avatar = $params['omb_listenee_avatar'];
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$this->elementStart('div', array('class' => 'profile'));
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$this->elementStart('div', 'entity_profile vcard');
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$this->elementStart('a', array('href' => $profile,
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'class' => 'url'));
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if ($avatar) {
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$this->element('img', array('src' => $avatar,
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'class' => 'photo avatar',
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $nickname));
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}
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$hasFN = ($fullname !== '') ? 'nickname' : 'fn nickname';
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$this->elementStart('span', $hasFN);
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$this->raw($nickname);
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$this->elementEnd('span');
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$this->elementEnd('a');
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if (!is_null($fullname)) {
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$this->elementStart('dl', 'entity_fn');
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$this->elementStart('dd');
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$this->elementStart('span', 'fn');
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$this->raw($fullname);
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$this->elementEnd('span');
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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if (!is_null($location)) {
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$this->elementStart('dl', 'entity_location');
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$this->element('dt', null, _('Location'));
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$this->elementStart('dd', 'label');
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$this->raw($location);
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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if (!is_null($homepage)) {
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$this->elementStart('dl', 'entity_url');
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$this->element('dt', null, _('URL'));
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$this->elementStart('dd');
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$this->elementStart('a', array('href' => $homepage,
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'class' => 'url'));
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$this->raw($homepage);
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$this->elementEnd('a');
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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if (!is_null($bio)) {
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$this->elementStart('dl', 'entity_note');
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$this->element('dt', null, _('Note'));
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$this->elementStart('dd', 'note');
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$this->raw($bio);
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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if (!is_null($license)) {
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$this->elementStart('dl', 'entity_license');
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$this->element('dt', null, _('License'));
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$this->elementStart('dd', 'license');
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$this->element('a', array('href' => $license,
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'class' => 'license'),
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$license);
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$this->elementEnd('dd');
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$this->elementEnd('dl');
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}
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$this->elementEnd('div');
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$this->elementStart('div', 'entity_actions');
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$this->elementStart('ul');
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$this->elementStart('li', 'entity_subscribe');
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$this->elementStart('form', array('method' => 'post',
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'id' => 'userauthorization',
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'class' => 'form_user_authorization',
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'name' => 'userauthorization',
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'action' => common_local_url('userauthorization')));
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$this->hidden('token', common_session_token());
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$this->submit('accept', _('Accept'), 'submit accept', null, _('Subscribe to this user'));
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$this->submit('reject', _('Reject'), 'submit reject', null, _('Reject this subscription'));
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$this->elementEnd('form');
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('div');
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$this->elementEnd('div');
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}
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function sendAuthorization()
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{
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$params = $this->getStoredParams();
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if (!$params) {
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$this->clientError(_('No authorization request!'));
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return;
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}
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$callback = $params['oauth_callback'];
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if ($this->arg('accept')) {
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if (!$this->authorizeToken($params)) {
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$this->clientError(_('Error authorizing token'));
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}
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if (!$this->saveRemoteProfile($params)) {
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$this->clientError(_('Error saving remote profile'));
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}
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if (!$callback) {
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$this->showAcceptMessage($params['oauth_token']);
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} else {
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$newparams = array();
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$newparams['oauth_token'] = $params['oauth_token'];
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$newparams['omb_version'] = OMB_VERSION_01;
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$user = User::staticGet('uri', $params['omb_listener']);
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$profile = $user->getProfile();
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if (!$profile) {
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common_log_db_error($user, 'SELECT', __FILE__);
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$this->serverError(_('User without matching profile'));
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return;
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}
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$newparams['omb_listener_nickname'] = $user->nickname;
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$newparams['omb_listener_profile'] = common_local_url('showstream',
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array('nickname' => $user->nickname));
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if (!is_null($profile->fullname)) {
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$newparams['omb_listener_fullname'] = $profile->fullname;
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}
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if (!is_null($profile->homepage)) {
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$newparams['omb_listener_homepage'] = $profile->homepage;
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}
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if (!is_null($profile->bio)) {
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$newparams['omb_listener_bio'] = $profile->bio;
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}
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if (!is_null($profile->location)) {
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$newparams['omb_listener_location'] = $profile->location;
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}
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$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
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if ($avatar) {
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$newparams['omb_listener_avatar'] = $avatar->url;
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}
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$parts = array();
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foreach ($newparams as $k => $v) {
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$parts[] = $k . '=' . OAuthUtil::urlencode_rfc3986($v);
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}
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$query_string = implode('&', $parts);
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$parsed = parse_url($callback);
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$url = $callback . (($parsed['query']) ? '&' : '?') . $query_string;
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common_redirect($url, 303);
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}
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} else {
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if (!$callback) {
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$this->showRejectMessage();
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} else {
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# XXX: not 100% sure how to signal failure... just redirect without token?
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common_redirect($callback, 303);
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}
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}
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}
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function authorizeToken(&$params)
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{
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$token_field = $params['oauth_token'];
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$rt = new Token();
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$rt->tok = $token_field;
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$rt->type = 0;
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$rt->state = 0;
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if ($rt->find(true)) {
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$orig_rt = clone($rt);
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$rt->state = 1; # Authorized but not used
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if ($rt->update($orig_rt)) {
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return true;
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}
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}
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return false;
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}
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# XXX: refactor with similar code in finishremotesubscribe.php
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function saveRemoteProfile(&$params)
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{
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# FIXME: we should really do this when the consumer comes
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# back for an access token. If they never do, we've got stuff in a
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# weird state.
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$nickname = $params['omb_listenee_nickname'];
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$fullname = $params['omb_listenee_fullname'];
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$profile_url = $params['omb_listenee_profile'];
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$homepage = $params['omb_listenee_homepage'];
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$bio = $params['omb_listenee_bio'];
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$location = $params['omb_listenee_location'];
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$avatar_url = $params['omb_listenee_avatar'];
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$listenee = $params['omb_listenee'];
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$remote = Remote_profile::staticGet('uri', $listenee);
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if ($remote) {
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$exists = true;
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$profile = Profile::staticGet($remote->id);
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$orig_remote = clone($remote);
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$orig_profile = clone($profile);
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} else {
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$exists = false;
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$remote = new Remote_profile();
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$remote->uri = $listenee;
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$profile = new Profile();
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}
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$profile->nickname = $nickname;
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$profile->profileurl = $profile_url;
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if (!is_null($fullname)) {
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$profile->fullname = $fullname;
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}
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if (!is_null($homepage)) {
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$profile->homepage = $homepage;
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}
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if (!is_null($bio)) {
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$profile->bio = $bio;
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}
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if (!is_null($location)) {
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$profile->location = $location;
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}
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if ($exists) {
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$profile->update($orig_profile);
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} else {
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$profile->created = DB_DataObject_Cast::dateTime(); # current time
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$id = $profile->insert();
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if (!$id) {
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return false;
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}
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$remote->id = $id;
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}
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if ($exists) {
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if (!$remote->update($orig_remote)) {
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return false;
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}
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} else {
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$remote->created = DB_DataObject_Cast::dateTime(); # current time
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if (!$remote->insert()) {
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return false;
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}
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}
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if ($avatar_url) {
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if (!$this->addAvatar($profile, $avatar_url)) {
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return false;
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}
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}
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$user = common_current_user();
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$sub = new Subscription();
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$sub->subscriber = $user->id;
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$sub->subscribed = $remote->id;
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$sub->token = $params['oauth_token']; # NOTE: request token, not valid for use!
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$sub->created = DB_DataObject_Cast::dateTime(); # current time
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if (!$sub->insert()) {
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return false;
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}
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return true;
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}
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function addAvatar($profile, $url)
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{
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$temp_filename = tempnam(sys_get_temp_dir(), 'listenee_avatar');
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copy($url, $temp_filename);
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$imagefile = new ImageFile($profile->id, $temp_filename);
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$filename = Avatar::filename($profile->id,
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image_type_to_extension($imagefile->type),
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null,
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common_timestamp());
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rename($temp_filename, Avatar::path($filename));
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return $profile->setOriginal($filename);
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}
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function showAcceptMessage($tok)
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{
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common_show_header(_('Subscription authorized'));
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$this->element('p', null,
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_('The subscription has been authorized, but no '.
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'callback URL was passed. Check with the site\'s instructions for '.
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'details on how to authorize the subscription. Your subscription token is:'));
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$this->element('blockquote', 'token', $tok);
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common_show_footer();
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}
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function showRejectMessage($tok)
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{
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common_show_header(_('Subscription rejected'));
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$this->element('p', null,
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_('The subscription has been rejected, but no '.
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'callback URL was passed. Check with the site\'s instructions for '.
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'details on how to fully reject the subscription.'));
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common_show_footer();
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}
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function storeParams($params)
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{
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common_ensure_session();
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$_SESSION['userauthorizationparams'] = $params;
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}
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function clearParams()
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{
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common_ensure_session();
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unset($_SESSION['userauthorizationparams']);
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}
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function getStoredParams()
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{
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common_ensure_session();
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$params = $_SESSION['userauthorizationparams'];
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return $params;
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}
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# Throws an OAuthException if anything goes wrong
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function validateRequest()
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{
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/* Find token.
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TODO: If no token is passed the user should get a prompt to enter it
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according to OAuth Core 1.0 */
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$t = new Token();
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$t->tok = $_GET['oauth_token'];
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$t->type = 0;
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if (!$t->find(true)) {
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throw new OAuthException("Invalid request token: " . $_GET['oauth_token']);
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}
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$this->validateOmb();
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return true;
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}
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function validateOmb()
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{
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foreach (array('omb_version', 'omb_listener', 'omb_listenee',
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'omb_listenee_profile', 'omb_listenee_nickname',
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'omb_listenee_license') as $param)
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{
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if (!isset($_GET[$param]) || is_null($_GET[$param])) {
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throw new OAuthException("Required parameter '$param' not found");
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}
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}
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# Now, OMB stuff
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$version = $_GET['omb_version'];
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if ($version != OMB_VERSION_01) {
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throw new OAuthException("OpenMicroBlogging version '$version' not supported");
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}
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$listener = $_GET['omb_listener'];
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$user = User::staticGet('uri', $listener);
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if (!$user) {
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throw new OAuthException("Listener URI '$listener' not found here");
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}
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$cur = common_current_user();
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if ($cur->id != $user->id) {
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throw new OAuthException("Can't add for another user!");
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}
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$listenee = $_GET['omb_listenee'];
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if (!Validate::uri($listenee) &&
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!common_valid_tag($listenee)) {
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throw new OAuthException("Listenee URI '$listenee' not a recognizable URI");
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}
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if (strlen($listenee) > 255) {
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throw new OAuthException("Listenee URI '$listenee' too long");
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}
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$other = User::staticGet('uri', $listenee);
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if ($other) {
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throw new OAuthException("Listenee URI '$listenee' is local user");
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}
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$remote = Remote_profile::staticGet('uri', $listenee);
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if ($remote) {
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$sub = new Subscription();
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$sub->subscriber = $user->id;
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$sub->subscribed = $remote->id;
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if ($sub->find(true)) {
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throw new OAuthException("Already subscribed to user!");
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}
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}
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$nickname = $_GET['omb_listenee_nickname'];
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if (!Validate::string($nickname, array('min_length' => 1,
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'max_length' => 64,
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'format' => NICKNAME_FMT))) {
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throw new OAuthException('Nickname must have only letters and numbers and no spaces.');
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}
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$profile = $_GET['omb_listenee_profile'];
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if (!common_valid_http_url($profile)) {
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throw new OAuthException("Invalid profile URL '$profile'.");
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}
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if ($profile == common_local_url('showstream', array('nickname' => $nickname))) {
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throw new OAuthException("Profile URL '$profile' is for a local user.");
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}
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$license = $_GET['omb_listenee_license'];
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if (!common_valid_http_url($license)) {
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throw new OAuthException("Invalid license URL '$license'.");
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}
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$site_license = common_config('license', 'url');
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if (!common_compatible_license($license, $site_license)) {
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throw new OAuthException("Listenee stream license '$license' not compatible with site license '$site_license'.");
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}
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# optional stuff
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$fullname = $_GET['omb_listenee_fullname'];
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if ($fullname && mb_strlen($fullname) > 255) {
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throw new OAuthException("Full name '$fullname' too long.");
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}
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$homepage = $_GET['omb_listenee_homepage'];
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if ($homepage && (!common_valid_http_url($homepage) || mb_strlen($homepage) > 255)) {
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throw new OAuthException("Invalid homepage '$homepage'");
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}
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$bio = $_GET['omb_listenee_bio'];
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if ($bio && mb_strlen($bio) > 140) {
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throw new OAuthException("Bio too long '$bio'");
|
|
}
|
|
$location = $_GET['omb_listenee_location'];
|
|
if ($location && mb_strlen($location) > 255) {
|
|
throw new OAuthException("Location too long '$location'");
|
|
}
|
|
$avatar = $_GET['omb_listenee_avatar'];
|
|
if ($avatar) {
|
|
if (!common_valid_http_url($avatar) || strlen($avatar) > 255) {
|
|
throw new OAuthException("Invalid avatar URL '$avatar'");
|
|
}
|
|
$size = @getimagesize($avatar);
|
|
if (!$size) {
|
|
throw new OAuthException("Can't read avatar URL '$avatar'");
|
|
}
|
|
if ($size[0] != AVATAR_PROFILE_SIZE || $size[1] != AVATAR_PROFILE_SIZE) {
|
|
throw new OAuthException("Wrong size image at '$avatar'");
|
|
}
|
|
if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG,
|
|
IMAGETYPE_PNG))) {
|
|
throw new OAuthException("Wrong image type for '$avatar'");
|
|
}
|
|
}
|
|
$callback = $_GET['oauth_callback'];
|
|
if ($callback && !common_valid_http_url($callback)) {
|
|
throw new OAuthException("Invalid callback URL '$callback'");
|
|
}
|
|
if ($callback && $callback == common_local_url('finishremotesubscribe')) {
|
|
throw new OAuthException("Callback URL '$callback' is for local site.");
|
|
}
|
|
}
|
|
}
|