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diff --git a/_darcs/pristine/actions/finishremotesubscribe.php b/_darcs/pristine/actions/finishremotesubscribe.php
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+++ b/_darcs/pristine/actions/finishremotesubscribe.php
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+<?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(INSTALLDIR.'/lib/omb.php');
+
+class FinishremotesubscribeAction extends Action {
+
+ function handle($args) {
+
+ parent::handle($args);
+
+ if (common_logged_in()) {
+ common_user_error(_('You can use the local subscription!'));
+ return;
+ }
+
+ $omb = $_SESSION['oauth_authorization_request'];
+
+ if (!$omb) {
+ common_user_error(_('Not expecting this response!'));
+ return;
+ }
+
+ common_debug('stored request: '.print_r($omb,true), __FILE__);
+
+ common_remove_magic_from_request();
+ $req = OAuthRequest::from_request();
+
+ $token = $req->get_parameter('oauth_token');
+
+ # I think this is the success metric
+
+ if ($token != $omb['token']) {
+ common_user_error(_('Not authorized.'));
+ return;
+ }
+
+ $version = $req->get_parameter('omb_version');
+
+ if ($version != OMB_VERSION_01) {
+ common_user_error(_('Unknown version of OMB protocol.'));
+ return;
+ }
+
+ $nickname = $req->get_parameter('omb_listener_nickname');
+
+ if (!$nickname) {
+ common_user_error(_('No nickname provided by remote server.'));
+ return;
+ }
+
+ $profile_url = $req->get_parameter('omb_listener_profile');
+
+ if (!$profile_url) {
+ common_user_error(_('No profile URL returned by server.'));
+ return;
+ }
+
+ if (!Validate::uri($profile_url, array('allowed_schemes' => array('http', 'https')))) {
+ common_user_error(_('Invalid profile URL returned by server.'));
+ return;
+ }
+
+ if ($profile_url == common_local_url('showstream', array('nickname' => $nickname))) {
+ common_user_error(_('You can use the local subscription!'));
+ return;
+ }
+
+ common_debug('listenee: "'.$omb['listenee'].'"', __FILE__);
+
+ $user = User::staticGet('nickname', $omb['listenee']);
+
+ if (!$user) {
+ common_user_error(_('User being listened to doesn\'t exist.'));
+ return;
+ }
+
+ $other = User::staticGet('uri', $omb['listener']);
+
+ if ($other) {
+ common_user_error(_('You can use the local subscription!'));
+ return;
+ }
+
+ $fullname = $req->get_parameter('omb_listener_fullname');
+ $homepage = $req->get_parameter('omb_listener_homepage');
+ $bio = $req->get_parameter('omb_listener_bio');
+ $location = $req->get_parameter('omb_listener_location');
+ $avatar_url = $req->get_parameter('omb_listener_avatar');
+
+ list($newtok, $newsecret) = $this->access_token($omb);
+
+ if (!$newtok || !$newsecret) {
+ common_user_error(_('Couldn\'t convert request tokens to access tokens.'));
+ return;
+ }
+
+ # XXX: possible attack point; subscribe and return someone else's profile URI
+
+ $remote = Remote_profile::staticGet('uri', $omb['listener']);
+
+ if ($remote) {
+ $exists = true;
+ $profile = Profile::staticGet($remote->id);
+ $orig_remote = clone($remote);
+ $orig_profile = clone($profile);
+ # XXX: compare current postNotice and updateProfile URLs to the ones
+ # stored in the DB to avoid (possibly...) above attack
+ } else {
+ $exists = false;
+ $remote = new Remote_profile();
+ $remote->uri = $omb['listener'];
+ $profile = new Profile();
+ }
+
+ $profile->nickname = $nickname;
+ $profile->profileurl = $profile_url;
+
+ if ($fullname) {
+ $profile->fullname = $fullname;
+ }
+ if ($homepage) {
+ $profile->homepage = $homepage;
+ }
+ if ($bio) {
+ $profile->bio = $bio;
+ }
+ if ($location) {
+ $profile->location = $location;
+ }
+
+ if ($exists) {
+ $profile->update($orig_profile);
+ } else {
+ $profile->created = DB_DataObject_Cast::dateTime(); # current time
+ $id = $profile->insert();
+ if (!$id) {
+ common_server_error(_('Error inserting new profile'));
+ return;
+ }
+ $remote->id = $id;
+ }
+
+ if ($avatar_url) {
+ if (!$this->add_avatar($profile, $avatar_url)) {
+ common_server_error(_('Error inserting avatar'));
+ return;
+ }
+ }
+
+ $remote->postnoticeurl = $omb['post_notice_url'];
+ $remote->updateprofileurl = $omb['update_profile_url'];
+
+ if ($exists) {
+ if (!$remote->update($orig_remote)) {
+ common_server_error(_('Error updating remote profile'));
+ return;
+ }
+ } else {
+ $remote->created = DB_DataObject_Cast::dateTime(); # current time
+ if (!$remote->insert()) {
+ common_server_error(_('Error inserting remote profile'));
+ return;
+ }
+ }
+
+ if ($user->hasBlocked($profile)) {
+ $this->client_error(_('That user has blocked you from subscribing.'));
+ return;
+ }
+
+ $sub = new Subscription();
+
+ $sub->subscriber = $remote->id;
+ $sub->subscribed = $user->id;
+
+ $sub_exists = false;
+
+ if ($sub->find(true)) {
+ $sub_exists = true;
+ $orig_sub = clone($sub);
+ } else {
+ $sub_exists = false;
+ $sub->created = DB_DataObject_Cast::dateTime(); # current time
+ }
+
+ $sub->token = $newtok;
+ $sub->secret = $newsecret;
+
+ if ($sub_exists) {
+ $result = $sub->update($orig_sub);
+ } else {
+ $result = $sub->insert();
+ }
+
+ if (!$result) {
+ common_log_db_error($sub, ($sub_exists) ? 'UPDATE' : 'INSERT', __FILE__);
+ common_user_error(_('Couldn\'t insert new subscription.'));
+ return;
+ }
+
+ # Notify user, if necessary
+
+ mail_subscribe_notify_profile($user, $profile);
+
+ # Clear the data
+ unset($_SESSION['oauth_authorization_request']);
+
+ # If we show subscriptions in reverse chron order, this should
+ # show up close to the top of the page
+
+ common_redirect(common_local_url('subscribers', array('nickname' =>
+ $user->nickname)));
+ }
+
+ function add_avatar($profile, $url) {
+ $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
+ copy($url, $temp_filename);
+ return $profile->setOriginal($temp_filename);
+ }
+
+ function access_token($omb) {
+
+ common_debug('starting request for access token', __FILE__);
+
+ $con = omb_oauth_consumer();
+ $tok = new OAuthToken($omb['token'], $omb['secret']);
+
+ common_debug('using request token "'.$tok.'"', __FILE__);
+
+ $url = $omb['access_token_url'];
+
+ common_debug('using access token url "'.$url.'"', __FILE__);
+
+ # XXX: Is this the right thing to do? Strip off GET params and make them
+ # POST params? Seems wrong to me.
+
+ $parsed = parse_url($url);
+ $params = array();
+ parse_str($parsed['query'], $params);
+
+ $req = OAuthRequest::from_consumer_and_token($con, $tok, "POST", $url, $params);
+
+ $req->set_parameter('omb_version', OMB_VERSION_01);
+
+ # XXX: test to see if endpoint accepts this signature method
+
+ $req->sign_request(omb_hmac_sha1(), $con, $tok);
+
+ # We re-use this tool's fetcher, since it's pretty good
+
+ common_debug('posting to access token url "'.$req->get_normalized_http_url().'"', __FILE__);
+ common_debug('posting request data "'.$req->to_postdata().'"', __FILE__);
+
+ $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+ $result = $fetcher->post($req->get_normalized_http_url(),
+ $req->to_postdata(),
+ array('User-Agent' => 'Laconica/' . LACONICA_VERSION));
+
+ common_debug('got result: "'.print_r($result,TRUE).'"', __FILE__);
+
+ if ($result->status != 200) {
+ return NULL;
+ }
+
+ parse_str($result->body, $return);
+
+ return array($return['oauth_token'], $return['oauth_token_secret']);
+ }
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-29 03:26:32 +0000