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Diffstat (limited to '_darcs/pristine/lib/omb.php')
| -rw-r--r-- | _darcs/pristine/lib/omb.php | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/_darcs/pristine/lib/omb.php b/_darcs/pristine/lib/omb.php new file mode 100644 index 000000000..96736b4d4 --- /dev/null +++ b/_darcs/pristine/lib/omb.php @@ -0,0 +1,299 @@ +<?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 + $rp = new Remote_profile(); + + $rp->query('SELECT postnoticeurl, token, secret ' . + 'FROM subscription JOIN remote_profile ' . + 'ON subscription.subscriber = remote_profile.id ' . + 'WHERE subscription.subscribed = ' . $notice->profile_id . ' '); + + $posted = array(); + + while ($rp->fetch()) { + if (!$posted[$rp->postnoticeurl]) { + common_log(LOG_DEBUG, 'Posting to ' . $rp->postnoticeurl); + if (omb_post_notice_keys($notice, $rp->postnoticeurl, $rp->token, $rp->secret)) { + common_log(LOG_DEBUG, 'Finished to ' . $rp->postnoticeurl); + $posted[$rp->postnoticeurl] = TRUE; + } else { + common_log(LOG_DEBUG, 'Failed posting to ' . $rp->postnoticeurl); + } + } + } + + $rp->free(); + unset($rp); + + return true; +} + +function omb_post_notice($notice, $remote_profile, $subscription) { + return omb_post_notice_keys($notice, $remote_profile->postnoticeurl, $subscription->token, $subscription->secret); +} + +function omb_post_notice_keys($notice, $postnoticeurl, $tk, $secret) { + + common_debug('Posting notice ' . $notice->id . ' to ' . $postnoticeurl, __FILE__); + + $user = User::staticGet('id', $notice->profile_id); + + if (!$user) { + common_debug('Failed to get user for notice ' . $notice->id . ', profile = ' . $notice->profile_id, __FILE__); + return false; + } + + $con = omb_oauth_consumer(); + + $token = new OAuthToken($tk, $secret); + + $url = $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', common_config('license', 'url')); + + $user->free(); + unset($user); + + $req->sign_request(omb_hmac_sha1(), $con, $token); + + # We re-use this tool's fetcher, since it's pretty good + + $fetcher = Auth_Yadis_Yadis::getHTTPFetcher(); + + if (!$fetcher) { + common_log(LOG_WARNING, 'Failed to initialize Yadis fetcher.', __FILE__); + return false; + } + + $result = $fetcher->post($req->get_normalized_http_url(), + $req->to_postdata(), + array('User-Agent' => 'Laconica/' . LACONICA_VERSION)); + + common_debug('Got HTTP result "'.print_r($result,TRUE).'"', __FILE__); + + if ($result->status == 403) { # not authorized, don't send again + common_debug('403 result, deleting subscription', __FILE__); + # FIXME: figure out how to delete this + # $subscription->delete(); + return false; + } else if ($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(), + $req->to_postdata(), + array('User-Agent' => 'Laconica/' . LACONICA_VERSION)); + + common_debug('Got HTTP result "'.print_r($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; + } + } +} |