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