<?php /* * Laconica - a distributed open-source microblogging tool * Copyright (C) 2008, Controlez-Vous, 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/>. */ if (!defined('LACONICA')) { exit(1); } require_once('OAuth.php'); require_once(INSTALLDIR.'/lib/oauthstore.php'); require_once(INSTALLDIR.'/classes/Consumer.php'); require_once(INSTALLDIR.'/classes/Nonce.php'); require_once(INSTALLDIR.'/classes/Token.php'); require_once('Auth/Yadis/Yadis.php'); define('OAUTH_NAMESPACE', 'http://oauth.net/core/1.0/'); define('OMB_NAMESPACE', 'http://openmicroblogging.org/protocol/0.1'); define('OMB_VERSION_01', 'http://openmicroblogging.org/protocol/0.1'); define('OAUTH_DISCOVERY', 'http://oauth.net/discovery/1.0'); define('OMB_ENDPOINT_UPDATEPROFILE', OMB_NAMESPACE.'/updateProfile'); define('OMB_ENDPOINT_POSTNOTICE', OMB_NAMESPACE.'/postNotice'); define('OAUTH_ENDPOINT_REQUEST', OAUTH_NAMESPACE.'endpoint/request'); define('OAUTH_ENDPOINT_AUTHORIZE', OAUTH_NAMESPACE.'endpoint/authorize'); define('OAUTH_ENDPOINT_ACCESS', OAUTH_NAMESPACE.'endpoint/access'); define('OAUTH_ENDPOINT_RESOURCE', OAUTH_NAMESPACE.'endpoint/resource'); define('OAUTH_AUTH_HEADER', OAUTH_NAMESPACE.'parameters/auth-header'); define('OAUTH_POST_BODY', OAUTH_NAMESPACE.'parameters/post-body'); define('OAUTH_HMAC_SHA1', OAUTH_NAMESPACE.'signature/HMAC-SHA1'); function omb_oauth_consumer() { static $con = NULL; if (!$con) { $con = new OAuthConsumer(common_root_url(), ''); } return $con; } function omb_oauth_server() { static $server = null; if (!$server) { $server = new OAuthServer(omb_oauth_datastore()); $server->add_signature_method(omb_hmac_sha1()); } return $server; } function omb_oauth_datastore() { static $store = NULL; if (!$store) { $store = new LaconicaOAuthDataStore(); } return $store; } function omb_hmac_sha1() { static $hmac_method = NULL; if (!$hmac_method) { $hmac_method = new OAuthSignatureMethod_HMAC_SHA1(); } return $hmac_method; } function omb_get_services($xrd, $type) { return $xrd->services(array(omb_service_filter($type))); } function omb_service_filter($type) { return create_function('$s', 'return omb_match_service($s, \''.$type.'\');'); } function omb_match_service($service, $type) { return in_array($type, $service->getTypes()); } function omb_service_uri($service) { if (!$service) { return NULL; } $uris = $service->getURIs(); if (!$uris) { return NULL; } return $uris[0]; } function omb_local_id($service) { if (!$service) { return NULL; } $els = $service->getElements('xrd:LocalID'); if (!$els) { return NULL; } $el = $els[0]; return $service->parser->content($el); } function omb_broadcast_remote_subscribers($notice) { # First, get remote users subscribed to this profile # XXX: use a join here rather than looping through results $sub = new Subscription(); $sub->subscribed = $notice->profile_id; if ($sub->find()) { $posted = array(); while ($sub->fetch()) { $rp = Remote_profile::staticGet('id', $sub->subscriber); if ($rp) { if (!$posted[$rp->postnoticeurl]) { if (omb_post_notice($notice, $rp, $sub)) { $posted[$rp->postnoticeurl] = TRUE; } } } } } return true; } function omb_post_notice($notice, $remote_profile, $subscription) { global $config; # for license URL $user = User::staticGet('id', $notice->profile_id); $con = omb_oauth_consumer(); $token = new OAuthToken($subscription->token, $subscription->secret); $url = $remote_profile->postnoticeurl; $parsed = parse_url($url); $params = array(); parse_str($parsed['query'], $params); $req = OAuthRequest::from_consumer_and_token($con, $token, "POST", $url, $params); $req->set_parameter('omb_version', OMB_VERSION_01); $req->set_parameter('omb_listenee', $user->uri); $req->set_parameter('omb_notice', $notice->uri); $req->set_parameter('omb_notice_content', $notice->content); $req->set_parameter('omb_notice_url', common_local_url('shownotice', array('notice' => $notice->id))); $req->set_parameter('omb_notice_license', $config['license']['url']); $req->sign_request(omb_hmac_sha1(), $con, $token); # We re-use this tool's fetcher, since it's pretty good $fetcher = Auth_Yadis_Yadis::getHTTPFetcher(); $result = $fetcher->post($req->get_normalized_http_url(), $req->to_postdata()); common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__); if ($result->status == 403) { # not authorized, don't send again common_debug('403 result, deleting subscription', __FILE__); $subscription->delete(); return false; } else if ($result->status != 200) { common_debug('Error status '.$result->status, __FILE__); return false; } else { # success! parse_str($result->body, $return); if ($return['omb_version'] == OMB_VERSION_01) { return true; } else { return false; } } } function omb_broadcast_profile($profile) { # First, get remote users subscribed to this profile # XXX: use a join here rather than looping through results $sub = new Subscription(); $sub->subscribed = $profile->id; if ($sub->find()) { $updated = array(); while ($sub->fetch()) { $rp = Remote_profile::staticGet('id', $sub->subscriber); if ($rp) { if (!$updated[$rp->updateprofileurl]) { if (omb_update_profile($profile, $rp, $sub)) { $updated[$rp->updateprofileurl] = TRUE; } } } } } } function omb_update_profile($profile, $remote_profile, $subscription) { global $config; # for license URL $user = User::staticGet($profile->id); $con = omb_oauth_consumer(); $token = new OAuthToken($subscription->token, $subscription->secret); $url = $remote_profile->updateprofileurl; $parsed = parse_url($url); $params = array(); parse_str($parsed['query'], $params); $req = OAuthRequest::from_consumer_and_token($con, $token, "POST", $url, $params); $req->set_parameter('omb_version', OMB_VERSION_01); $req->set_parameter('omb_listenee', $user->uri); $req->set_parameter('omb_listenee_profile', common_profile_url($profile->nickname)); $req->set_parameter('omb_listenee_nickname', $profile->nickname); # We use blanks to force emptying any existing values in these optional fields $req->set_parameter('omb_listenee_fullname', ($profile->fullname) ? $profile->fullname : ''); $req->set_parameter('omb_listenee_homepage', ($profile->homepage) ? $profile->homepage : ''); $req->set_parameter('omb_listenee_bio', ($profile->bio) ? $profile->bio : ''); $req->set_parameter('omb_listenee_location', ($profile->location) ? $profile->location : ''); $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE); $req->set_parameter('omb_listenee_avatar', ($avatar) ? $avatar->url : ''); $req->sign_request(omb_hmac_sha1(), $con, $token); # We re-use this tool's fetcher, since it's pretty good $fetcher = Auth_Yadis_Yadis::getHTTPFetcher(); common_debug('request URL = '.$req->get_normalized_http_url(), __FILE__); common_debug('postdata = '.$req->to_postdata(), __FILE__); $result = $fetcher->post($req->get_normalized_http_url(), $req->to_postdata()); common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__); if ($result->status == 403) { # not authorized, don't send again common_debug('403 result, deleting subscription', __FILE__); $subscription->delete(); return false; } else if ($result->status != 200) { common_debug('Error status '.$result->status, __FILE__); return false; } else { # success! parse_str($result->body, $return); if ($return['omb_version'] == OMB_VERSION_01) { return true; } else { return false; } } }