]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - plugins/OStatus/actions/usersalmon.php
Merge branch '1.0.x' of gitorious.org:statusnet/mainline into 1.0.x
[quix0rs-gnu-social.git] / plugins / OStatus / actions / usersalmon.php
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..5355aeba03fed5b2eca9c762709d3466aae00f4b 100644 (file)
@@ -0,0 +1,226 @@
+<?php
+/*
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, 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('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * @package OStatusPlugin
+ * @author James Walker <james@status.net>
+ */
+class UsersalmonAction extends SalmonAction
+{
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        $id = $this->trimmed('id');
+
+        if (!$id) {
+            $this->clientError(_m('No ID.'));
+        }
+
+        $this->user = User::staticGet('id', $id);
+
+        if (empty($this->user)) {
+            $this->clientError(_m('No such user.'));
+        }
+
+        $this->target = $this->user;
+
+        return true;
+    }
+
+    /**
+     * We've gotten a post event on the Salmon backchannel, probably a reply.
+     *
+     * @todo validate if we need to handle this post, then call into
+     * ostatus_profile's general incoming-post handling.
+     */
+    function handlePost()
+    {
+        common_log(LOG_INFO, "Received post of '{$this->activity->objects[0]->id}' from '{$this->activity->actor->id}'");
+
+        // @fixme: process all activity objects?
+        switch ($this->activity->objects[0]->type) {
+        case ActivityObject::ARTICLE:
+        case ActivityObject::BLOGENTRY:
+        case ActivityObject::NOTE:
+        case ActivityObject::STATUS:
+        case ActivityObject::COMMENT:
+            break;
+        default:
+            throw new ClientException("Can't handle that kind of post.");
+        }
+
+        // Notice must either be a) in reply to a notice by this user
+        // or b) to the attention of this user
+        // or c) in reply to a notice to the attention of this user
+
+        $context = $this->activity->context;
+
+        if (!empty($context->replyToID)) {
+            $notice = Notice::staticGet('uri', $context->replyToID);
+            if (empty($notice)) {
+                // TRANS: Client exception.
+                throw new ClientException(_m('In reply to unknown notice.'));
+            }
+            if ($notice->profile_id != $this->user->id &&
+                !in_array($this->user->id, $notice->getReplies())) {
+                // TRANS: Client exception.
+                throw new ClientException(_m('In reply to a notice not by this user and not mentioning this user.'));
+            }
+        } else if (!empty($context->attention)) {
+            if (!in_array($this->user->uri, $context->attention) &&
+                !in_array(common_profile_url($this->user->nickname), $context->attention)) {
+                common_log(LOG_ERR, "{$this->user->uri} not in attention list (".implode(',', $context->attention).")");
+                // TRANS: Client exception.
+                throw new ClientException('To the attention of user(s), not including this one.');
+            }
+        } else {
+            // TRANS: Client exception.
+            throw new ClientException('Not to anyone in reply to anything.');
+        }
+
+        $existing = Notice::staticGet('uri', $this->activity->objects[0]->id);
+
+        if (!empty($existing)) {
+            common_log(LOG_ERR, "Not saving notice '{$existing->uri}'; already exists.");
+            return;
+        }
+
+        $this->saveNotice();
+    }
+
+    /**
+     * We've gotten a follow/subscribe notification from a remote user.
+     * Save a subscription relationship for them.
+     */
+    function handleFollow()
+    {
+        $oprofile = $this->ensureProfile();
+        if ($oprofile) {
+            common_log(LOG_INFO, "Setting up subscription from remote {$oprofile->uri} to local {$this->user->nickname}");
+            Subscription::start($oprofile->localProfile(),
+                                $this->user->getProfile());
+        } else {
+            common_log(LOG_INFO, "Can't set up subscription from remote; missing profile.");
+        }
+    }
+
+    /**
+     * We've gotten an unfollow/unsubscribe notification from a remote user.
+     * Check if we have a subscription relationship for them and kill it.
+     *
+     * @fixme probably catch exceptions on fail?
+     */
+    function handleUnfollow()
+    {
+        $oprofile = $this->ensureProfile();
+        if ($oprofile) {
+            common_log(LOG_INFO, "Canceling subscription from remote {$oprofile->uri} to local {$this->user->nickname}");
+            Subscription::cancel($oprofile->localProfile(), $this->user->getProfile());
+        } else {
+            common_log(LOG_ERR, "Can't cancel subscription from remote, didn't find the profile");
+        }
+    }
+
+    /**
+     * Remote user likes one of our posts.
+     * Confirm the post is ours, and save a local favorite event.
+     */
+
+    function handleFavorite()
+    {
+        $notice = $this->getNotice($this->activity->objects[0]);
+        $profile = $this->ensureProfile()->localProfile();
+
+        $old = Fave::pkeyGet(array('user_id' => $profile->id,
+                                   'notice_id' => $notice->id));
+
+        if (!empty($old)) {
+            // TRANS: Client exception.
+            throw new ClientException(_('This is already a favorite.'));
+        }
+
+        if (!Fave::addNew($profile, $notice)) {
+           // TRANS: Client exception.
+           throw new ClientException(_m('Could not save new favorite.'));
+        }
+    }
+
+    /**
+     * Remote user doesn't like one of our posts after all!
+     * Confirm the post is ours, and save a local favorite event.
+     */
+    function handleUnfavorite()
+    {
+        $notice = $this->getNotice($this->activity->objects[0]);
+        $profile = $this->ensureProfile()->localProfile();
+
+        $fave = Fave::pkeyGet(array('user_id' => $profile->id,
+                                   'notice_id' => $notice->id));
+        if (empty($fave)) {
+            // TRANS: Client exception.
+            throw new ClientException(_('Notice wasn\'t favorited!'));
+        }
+
+        $fave->delete();
+    }
+
+    /**
+     * @param ActivityObject $object
+     * @return Notice
+     * @throws ClientException on invalid input
+     */
+    function getNotice($object)
+    {
+        if (!$object) {
+            // TRANS: Client exception.
+            throw new ClientException(_m('Can\'t favorite/unfavorite without an object.'));
+        }
+
+        switch ($object->type) {
+        case ActivityObject::ARTICLE:
+        case ActivityObject::BLOGENTRY:
+        case ActivityObject::NOTE:
+        case ActivityObject::STATUS:
+        case ActivityObject::COMMENT:
+            break;
+        default:
+            // TRANS: Client exception.
+            throw new ClientException(_m('Can\'t handle that kind of object for liking/faving.'));
+        }
+
+        $notice = Notice::staticGet('uri', $object->id);
+
+        if (empty($notice)) {
+            // TRANS: Client exception. %s is an object ID.
+            throw new ClientException(sprintf(_m('Notice with ID %s unknown.'),$object->id));
+        }
+
+        if ($notice->profile_id != $this->user->id) {
+            // TRANS: Client exception. %1$s is a notice ID, %2$s is a user ID.
+            throw new ClientException(sprintf(_m('Notice with ID %1$s not posted by %2$s.'),$object->id,$this->user->id));
+        }
+
+        return $notice;
+    }
+}