1300 lines
43 KiB
PHP
1300 lines
43 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2009-2010, StatusNet, 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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/**
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* @package OStatusPlugin
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* @maintainer Brion Vibber <brion@status.net>
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*/
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class Ostatus_profile extends Memcached_DataObject
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{
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public $__table = 'ostatus_profile';
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public $uri;
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public $profile_id;
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public $group_id;
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public $feeduri;
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public $salmonuri;
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public $avatar; // remote URL of the last avatar we saved
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public $created;
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public $modified;
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public /*static*/ function staticGet($k, $v=null)
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{
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return parent::staticGet(__CLASS__, $k, $v);
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}
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/**
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* return table definition for DB_DataObject
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*
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* DB_DataObject needs to know something about the table to manipulate
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* instances. This method provides all the DB_DataObject needs to know.
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'profile_id' => DB_DATAOBJECT_INT,
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'group_id' => DB_DATAOBJECT_INT,
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'feeduri' => DB_DATAOBJECT_STR,
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'salmonuri' => DB_DATAOBJECT_STR,
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'avatar' => DB_DATAOBJECT_STR,
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'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
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'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
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}
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static function schemaDef()
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{
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return array(new ColumnDef('uri', 'varchar',
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255, false, 'PRI'),
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new ColumnDef('profile_id', 'integer',
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null, true, 'UNI'),
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new ColumnDef('group_id', 'integer',
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null, true, 'UNI'),
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new ColumnDef('feeduri', 'varchar',
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255, true, 'UNI'),
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new ColumnDef('salmonuri', 'text',
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null, true),
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new ColumnDef('avatar', 'text',
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null, true),
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new ColumnDef('created', 'datetime',
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null, false),
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new ColumnDef('modified', 'datetime',
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null, false));
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}
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/**
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* return key definitions for DB_DataObject
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*
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* DB_DataObject needs to know about keys that the table has; this function
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* defines them.
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*
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* @return array key definitions
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*/
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function keys()
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{
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return array_keys($this->keyTypes());
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}
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/**
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* return key definitions for Memcached_DataObject
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*
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* Our caching system uses the same key definitions, but uses a different
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* method to get them.
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*
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* @return array key definitions
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*/
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function keyTypes()
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{
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return array('uri' => 'K', 'profile_id' => 'U', 'group_id' => 'U', 'feeduri' => 'U');
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}
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function sequenceKey()
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{
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return array(false, false, false);
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}
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/**
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* Fetch the StatusNet-side profile for this feed
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* @return Profile
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*/
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public function localProfile()
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{
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if ($this->profile_id) {
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return Profile::staticGet('id', $this->profile_id);
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}
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return null;
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}
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/**
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* Fetch the StatusNet-side profile for this feed
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* @return Profile
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*/
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public function localGroup()
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{
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if ($this->group_id) {
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return User_group::staticGet('id', $this->group_id);
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}
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return null;
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}
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/**
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* Returns an ActivityObject describing this remote user or group profile.
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* Can then be used to generate Atom chunks.
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*
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* @return ActivityObject
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*/
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function asActivityObject()
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{
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if ($this->isGroup()) {
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$object = new ActivityObject();
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$object->type = 'http://activitystrea.ms/schema/1.0/group';
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$object->id = $this->uri;
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$self = $this->localGroup();
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// @fixme put a standard getAvatar() interface on groups too
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if ($self->homepage_logo) {
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$object->avatar = $self->homepage_logo;
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$map = array('png' => 'image/png',
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'jpg' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'gif' => 'image/gif');
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$extension = pathinfo(parse_url($avatarHref, PHP_URL_PATH), PATHINFO_EXTENSION);
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if (isset($map[$extension])) {
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// @fixme this ain't used/saved yet
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$object->avatarType = $map[$extension];
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}
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}
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$object->link = $this->uri; // @fixme accurate?
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return $object;
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} else {
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return ActivityObject::fromProfile($this->localProfile());
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}
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}
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/**
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* Returns an XML string fragment with profile information as an
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* Activity Streams noun object with the given element type.
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*
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* Assumes that 'activity' namespace has been previously defined.
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*
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* @fixme replace with wrappers on asActivityObject when it's got everything.
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*
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* @param string $element one of 'actor', 'subject', 'object', 'target'
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* @return string
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*/
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function asActivityNoun($element)
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{
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$xs = new XMLStringer(true);
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$avatarHref = Avatar::defaultImage(AVATAR_PROFILE_SIZE);
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$avatarType = 'image/png';
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if ($this->isGroup()) {
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$type = 'http://activitystrea.ms/schema/1.0/group';
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$self = $this->localGroup();
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// @fixme put a standard getAvatar() interface on groups too
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if ($self->homepage_logo) {
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$avatarHref = $self->homepage_logo;
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$map = array('png' => 'image/png',
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'jpg' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'gif' => 'image/gif');
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$extension = pathinfo(parse_url($avatarHref, PHP_URL_PATH), PATHINFO_EXTENSION);
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if (isset($map[$extension])) {
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$avatarType = $map[$extension];
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}
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}
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} else {
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$type = 'http://activitystrea.ms/schema/1.0/person';
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$self = $this->localProfile();
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$avatar = $self->getAvatar(AVATAR_PROFILE_SIZE);
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if ($avatar) {
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$avatarHref = $avatar->url;
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$avatarType = $avatar->mediatype;
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}
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}
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$xs->elementStart('activity:' . $element);
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$xs->element(
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'activity:object-type',
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null,
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$type
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);
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$xs->element(
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'id',
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null,
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$this->uri); // ?
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$xs->element('title', null, $self->getBestName());
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$xs->element(
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'link', array(
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'type' => $avatarType,
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'href' => $avatarHref
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),
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''
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);
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$xs->elementEnd('activity:' . $element);
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return $xs->getString();
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}
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/**
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* @return boolean true if this is a remote group
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*/
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function isGroup()
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{
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if ($this->profile_id && !$this->group_id) {
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return false;
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} else if ($this->group_id && !$this->profile_id) {
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return true;
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} else if ($this->group_id && $this->profile_id) {
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throw new ServerException("Invalid ostatus_profile state: both group and profile IDs set for $this->uri");
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} else {
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throw new ServerException("Invalid ostatus_profile state: both group and profile IDs empty for $this->uri");
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}
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}
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/**
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* Subscribe a local user to this remote user.
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* PuSH subscription will be started if necessary, and we'll
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* send a Salmon notification to the remote server if available
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* notifying them of the sub.
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*
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* @param User $user
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* @return boolean success
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* @throws FeedException
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*/
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public function subscribeLocalToRemote(User $user)
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{
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if ($this->isGroup()) {
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throw new ServerException("Can't subscribe to a remote group");
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}
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if ($this->subscribe()) {
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if ($user->subscribeTo($this->localProfile())) {
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$this->notify($user->getProfile(), ActivityVerb::FOLLOW, $this);
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return true;
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}
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}
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return false;
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}
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/**
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* Mark this remote profile as subscribing to the given local user,
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* and send appropriate notifications to the user.
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*
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* This will generally be in response to a subscription notification
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* from a foreign site to our local Salmon response channel.
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*
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* @param User $user
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* @return boolean success
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*/
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public function subscribeRemoteToLocal(User $user)
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{
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if ($this->isGroup()) {
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throw new ServerException("Remote groups can't subscribe to local users");
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}
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// @fixme use regular channels for subbing, once they accept remote profiles
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$sub = new Subscription();
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$sub->subscriber = $this->profile_id;
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$sub->subscribed = $user->id;
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$sub->created = common_sql_now(); // current time
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if ($sub->insert()) {
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// @fixme use subs_notify() if refactored to take profiles?
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mail_subscribe_notify_profile($user, $this->localProfile());
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return true;
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}
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return false;
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}
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/**
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* Send a subscription request to the hub for this feed.
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* The hub will later send us a confirmation POST to /main/push/callback.
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*
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* @return bool true on success, false on failure
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* @throws ServerException if feed state is not valid
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*/
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public function subscribe()
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{
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$feedsub = FeedSub::ensureFeed($this->feeduri);
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if ($feedsub->sub_state == 'active' || $feedsub->sub_state == 'subscribe') {
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return true;
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} else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive') {
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return $feedsub->subscribe();
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} else if ('unsubscribe') {
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throw new FeedSubException("Unsub is pending, can't subscribe...");
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}
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}
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/**
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* Send a PuSH unsubscription request to the hub for this feed.
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* The hub will later send us a confirmation POST to /main/push/callback.
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*
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* @return bool true on success, false on failure
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* @throws ServerException if feed state is not valid
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*/
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public function unsubscribe() {
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$feedsub = FeedSub::staticGet('uri', $this->feeduri);
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if ($feedsub->sub_state == 'active') {
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return $feedsub->unsubscribe();
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} else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive' || $feedsub->sub_state == 'unsubscribe') {
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return true;
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} else if ($feedsub->sub_state == 'subscribe') {
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throw new FeedSubException("Feed is awaiting subscription, can't unsub...");
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}
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}
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/**
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* Check if this remote profile has any active local subscriptions, and
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* if not drop the PuSH subscription feed.
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*
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* @return boolean
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*/
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public function garbageCollect()
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{
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if ($this->isGroup()) {
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$members = $this->localGroup()->getMembers(0, 1);
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$count = $members->N;
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} else {
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$count = $this->localProfile()->subscriberCount();
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}
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if ($count == 0) {
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common_log(LOG_INFO, "Unsubscribing from now-unused remote feed $oprofile->feeduri");
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$this->unsubscribe();
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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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* Send an Activity Streams notification to the remote Salmon endpoint,
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* if so configured.
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*
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* @param Profile $actor Actor who did the activity
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* @param string $verb Activity::SUBSCRIBE or Activity::JOIN
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* @param Object $object object of the action; must define asActivityNoun($tag)
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*/
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public function notify($actor, $verb, $object=null)
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{
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if (!($actor instanceof Profile)) {
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$type = gettype($actor);
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if ($type == 'object') {
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$type = get_class($actor);
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}
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throw new ServerException("Invalid actor passed to " . __METHOD__ . ": " . $type);
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}
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if ($object == null) {
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$object = $this;
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}
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if ($this->salmonuri) {
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$text = 'update';
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$id = TagURI::mint('%s:%s:%s',
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$verb,
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$actor->getURI(),
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common_date_iso8601(time()));
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// @fixme consolidate all these NS settings somewhere
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$attributes = array('xmlns' => Activity::ATOM,
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'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
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'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
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'xmlns:georss' => 'http://www.georss.org/georss',
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'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
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'xmlns:poco' => 'http://portablecontacts.net/spec/1.0');
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$entry = new XMLStringer();
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$entry->elementStart('entry', $attributes);
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$entry->element('id', null, $id);
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$entry->element('title', null, $text);
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$entry->element('summary', null, $text);
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$entry->element('published', null, common_date_w3dtf(common_sql_now()));
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$entry->element('activity:verb', null, $verb);
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$entry->raw($actor->asAtomAuthor());
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$entry->raw($actor->asActivityActor());
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$entry->raw($object->asActivityNoun('object'));
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$entry->elementEnd('entry');
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$xml = $entry->getString();
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common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
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$salmon = new Salmon(); // ?
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return $salmon->post($this->salmonuri, $xml);
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}
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return false;
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}
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public function notifyActivity($activity)
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{
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if ($this->salmonuri) {
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$xml = '<?xml version="1.0" encoding="UTF-8" ?' . '>' .
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$activity->asString(true);
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$salmon = new Salmon(); // ?
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return $salmon->post($this->salmonuri, $xml);
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}
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return false;
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}
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function getBestName()
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{
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if ($this->isGroup()) {
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return $this->localGroup()->getBestName();
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} else {
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return $this->localProfile()->getBestName();
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}
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}
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function atomFeed($actor)
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{
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$feed = new Atom10Feed();
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// @fixme should these be set up somewhere else?
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$feed->addNamespace('activity', 'http://activitystrea.ms/spec/1.0/');
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$feed->addNamespace('thr', 'http://purl.org/syndication/thread/1.0');
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$feed->addNamespace('georss', 'http://www.georss.org/georss');
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$feed->addNamespace('ostatus', 'http://ostatus.org/schema/1.0');
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$taguribase = common_config('integration', 'taguri');
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$feed->setId("tag:{$taguribase}:UserTimeline:{$actor->id}"); // ???
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$feed->setTitle($actor->getBestName() . ' timeline'); // @fixme
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$feed->setUpdated(time());
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$feed->setPublished(time());
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$feed->addLink(common_local_url('ApiTimelineUser',
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array('id' => $actor->id,
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'type' => 'atom')),
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array('rel' => 'self',
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'type' => 'application/atom+xml'));
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$feed->addLink(common_local_url('userbyid',
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array('id' => $actor->id)),
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array('rel' => 'alternate',
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'type' => 'text/html'));
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return $feed;
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}
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/**
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* Read and post notices for updates from the feed.
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* Currently assumes that all items in the feed are new,
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* coming from a PuSH hub.
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*
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* @param DOMDocument $feed
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*/
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public function processFeed($feed, $source)
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{
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$entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
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if ($entries->length == 0) {
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common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
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return;
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}
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for ($i = 0; $i < $entries->length; $i++) {
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$entry = $entries->item($i);
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$this->processEntry($entry, $feed, $source);
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}
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}
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/**
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* Process a posted entry from this feed source.
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*
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* @param DOMElement $entry
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* @param DOMElement $feed for context
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*/
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public function processEntry($entry, $feed, $source)
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{
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$activity = new Activity($entry, $feed);
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if ($activity->verb == ActivityVerb::POST) {
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$this->processPost($activity, $source);
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} else {
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common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
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}
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}
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|
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/**
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* Process an incoming post activity from this remote feed.
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|
* @param Activity $activity
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* @param string $method 'push' or 'salmon'
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|
* @return mixed saved Notice or false
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|
* @fixme break up this function, it's getting nasty long
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*/
|
|
public function processPost($activity, $method)
|
|
{
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if ($this->isGroup()) {
|
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// A group feed will contain posts from multiple authors.
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|
// @fixme validate these profiles in some way!
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|
$oprofile = self::ensureActorProfile($activity);
|
|
if ($oprofile->isGroup()) {
|
|
// Groups can't post notices in StatusNet.
|
|
common_log(LOG_WARNING, "OStatus: skipping post with group listed as author: $oprofile->uri in feed from $this->uri");
|
|
return false;
|
|
}
|
|
} else {
|
|
// Individual user feeds may contain only posts from themselves.
|
|
// Authorship is validated against the profile URI on upper layers,
|
|
// through PuSH setup or Salmon signature checks.
|
|
$actorUri = self::getActorProfileURI($activity);
|
|
if ($actorUri == $this->uri) {
|
|
// Check if profile info has changed and update it
|
|
$this->updateFromActivityObject($activity->actor);
|
|
} else {
|
|
common_log(LOG_WARNING, "OStatus: skipping post with bad author: got $actorUri expected $this->uri");
|
|
return false;
|
|
}
|
|
$oprofile = $this;
|
|
}
|
|
|
|
// The id URI will be used as a unique identifier for for the notice,
|
|
// protecting against duplicate saves. It isn't required to be a URL;
|
|
// tag: URIs for instance are found in Google Buzz feeds.
|
|
$sourceUri = $activity->object->id;
|
|
$dupe = Notice::staticGet('uri', $sourceUri);
|
|
if ($dupe) {
|
|
common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
|
|
return false;
|
|
}
|
|
|
|
// We'll also want to save a web link to the original notice, if provided.
|
|
$sourceUrl = null;
|
|
if ($activity->object->link) {
|
|
$sourceUrl = $activity->object->link;
|
|
} else if ($activity->link) {
|
|
$sourceUrl = $activity->link;
|
|
} else if (preg_match('!^https?://!', $activity->object->id)) {
|
|
$sourceUrl = $activity->object->id;
|
|
}
|
|
|
|
// Get (safe!) HTML and text versions of the content
|
|
$rendered = $this->purify($activity->object->content);
|
|
$content = html_entity_decode(strip_tags($rendered));
|
|
|
|
$options = array('is_local' => Notice::REMOTE_OMB,
|
|
'url' => $sourceUrl,
|
|
'uri' => $sourceUri,
|
|
'rendered' => $rendered,
|
|
'replies' => array(),
|
|
'groups' => array());
|
|
|
|
// Check for optional attributes...
|
|
|
|
if (!empty($activity->time)) {
|
|
$options['created'] = common_sql_date($activity->time);
|
|
}
|
|
|
|
if ($activity->context) {
|
|
// Any individual or group attn: targets?
|
|
$replies = $activity->context->attention;
|
|
$options['groups'] = $this->filterReplies($oprofile, $replies);
|
|
$options['replies'] = $replies;
|
|
|
|
// Maintain direct reply associations
|
|
// @fixme what about conversation ID?
|
|
if (!empty($activity->context->replyToID)) {
|
|
$orig = Notice::staticGet('uri',
|
|
$activity->context->replyToID);
|
|
if (!empty($orig)) {
|
|
$options['reply_to'] = $orig->id;
|
|
}
|
|
}
|
|
|
|
$location = $activity->context->location;
|
|
if ($location) {
|
|
$options['lat'] = $location->lat;
|
|
$options['lon'] = $location->lon;
|
|
if ($location->location_id) {
|
|
$options['location_ns'] = $location->location_ns;
|
|
$options['location_id'] = $location->location_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
try {
|
|
$saved = Notice::saveNew($oprofile->profile_id,
|
|
$content,
|
|
'ostatus',
|
|
$options);
|
|
if ($saved) {
|
|
Ostatus_source::saveNew($saved, $this, $method);
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
|
|
throw $e;
|
|
}
|
|
common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
|
|
return $saved;
|
|
}
|
|
|
|
/**
|
|
* Clean up HTML
|
|
*/
|
|
protected function purify($html)
|
|
{
|
|
// @fixme disable caching or set a sane temp dir
|
|
require_once(INSTALLDIR.'/extlib/HTMLPurifier/HTMLPurifier.auto.php');
|
|
$purifier = new HTMLPurifier();
|
|
return $purifier->purify($html);
|
|
}
|
|
|
|
/**
|
|
* Filters a list of recipient ID URIs to just those for local delivery.
|
|
* @param Ostatus_profile local profile of sender
|
|
* @param array in/out &$attention_uris set of URIs, will be pruned on output
|
|
* @return array of group IDs
|
|
*/
|
|
protected function filterReplies($sender, &$attention_uris)
|
|
{
|
|
common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
|
|
$groups = array();
|
|
$replies = array();
|
|
foreach ($attention_uris as $recipient) {
|
|
// Is the recipient a local user?
|
|
$user = User::staticGet('uri', $recipient);
|
|
if ($user) {
|
|
// @fixme sender verification, spam etc?
|
|
$replies[] = $recipient;
|
|
continue;
|
|
}
|
|
|
|
// Is the recipient a remote group?
|
|
$oprofile = Ostatus_profile::staticGet('uri', $recipient);
|
|
if ($oprofile) {
|
|
if ($oprofile->isGroup()) {
|
|
// Deliver to local members of this remote group.
|
|
// @fixme sender verification?
|
|
$groups[] = $oprofile->group_id;
|
|
} else {
|
|
common_log(LOG_DEBUG, "Skipping reply to remote profile $recipient");
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Is the recipient a local group?
|
|
// @fixme we need a uri on user_group
|
|
// $group = User_group::staticGet('uri', $recipient);
|
|
$template = common_local_url('groupbyid', array('id' => '31337'));
|
|
$template = preg_quote($template, '/');
|
|
$template = str_replace('31337', '(\d+)', $template);
|
|
if (preg_match("/$template/", $recipient, $matches)) {
|
|
$id = $matches[1];
|
|
$group = User_group::staticGet('id', $id);
|
|
if ($group) {
|
|
// Deliver to all members of this local group if allowed.
|
|
$profile = $sender->localProfile();
|
|
if ($profile->isMember($group)) {
|
|
$groups[] = $group->id;
|
|
} else {
|
|
common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
|
|
}
|
|
continue;
|
|
} else {
|
|
common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
|
|
}
|
|
}
|
|
|
|
common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient");
|
|
|
|
}
|
|
$attention_uris = $replies;
|
|
common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
|
|
common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* @param string $profile_url
|
|
* @return Ostatus_profile
|
|
* @throws FeedSubException
|
|
*/
|
|
public static function ensureProfile($profile_uri, $hints=array())
|
|
{
|
|
// Get the canonical feed URI and check it
|
|
$discover = new FeedDiscovery();
|
|
$feeduri = $discover->discoverFromURL($profile_uri);
|
|
|
|
//$feedsub = FeedSub::ensureFeed($feeduri, $discover->feed);
|
|
$huburi = $discover->getAtomLink('hub');
|
|
$salmonuri = $discover->getAtomLink('salmon');
|
|
|
|
if (!$huburi) {
|
|
// We can only deal with folks with a PuSH hub
|
|
throw new FeedSubNoHubException();
|
|
}
|
|
|
|
// Try to get a profile from the feed activity:subject
|
|
|
|
$feedEl = $discover->feed->documentElement;
|
|
|
|
$subject = ActivityUtils::child($feedEl, Activity::SUBJECT, Activity::SPEC);
|
|
|
|
if (!empty($subject)) {
|
|
$subjObject = new ActivityObject($subject);
|
|
return self::ensureActivityObjectProfile($subjObject, $feeduri, $salmonuri, $hints);
|
|
}
|
|
|
|
// Otherwise, try the feed author
|
|
|
|
$author = ActivityUtils::child($feedEl, Activity::AUTHOR, Activity::ATOM);
|
|
|
|
if (!empty($author)) {
|
|
$authorObject = new ActivityObject($author);
|
|
return self::ensureActivityObjectProfile($authorObject, $feeduri, $salmonuri, $hints);
|
|
}
|
|
|
|
// Sheesh. Not a very nice feed! Let's try fingerpoken in the
|
|
// entries.
|
|
|
|
$entries = $discover->feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
|
|
|
|
if (!empty($entries) && $entries->length > 0) {
|
|
|
|
$entry = $entries->item(0);
|
|
|
|
$actor = ActivityUtils::child($entry, Activity::ACTOR, Activity::SPEC);
|
|
|
|
if (!empty($actor)) {
|
|
$actorObject = new ActivityObject($actor);
|
|
return self::ensureActivityObjectProfile($actorObject, $feeduri, $salmonuri, $hints);
|
|
|
|
}
|
|
|
|
$author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
|
|
|
|
if (!empty($author)) {
|
|
$authorObject = new ActivityObject($author);
|
|
return self::ensureActivityObjectProfile($authorObject, $feeduri, $salmonuri, $hints);
|
|
}
|
|
}
|
|
|
|
// XXX: make some educated guesses here
|
|
|
|
throw new FeedSubException("Can't find enough profile information to make a feed.");
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Download and update given avatar image
|
|
* @param string $url
|
|
* @throws Exception in various failure cases
|
|
*/
|
|
protected function updateAvatar($url)
|
|
{
|
|
if ($url == $this->avatar) {
|
|
// We've already got this one.
|
|
return;
|
|
}
|
|
|
|
if ($this->isGroup()) {
|
|
$self = $this->localGroup();
|
|
} else {
|
|
$self = $this->localProfile();
|
|
}
|
|
if (!$self) {
|
|
throw new ServerException(sprintf(
|
|
_m("Tried to update avatar for unsaved remote profile %s"),
|
|
$this->uri));
|
|
}
|
|
|
|
// @fixme this should be better encapsulated
|
|
// ripped from oauthstore.php (for old OMB client)
|
|
$temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
|
|
if (!copy($url, $temp_filename)) {
|
|
throw new ServerException(sprintf(_m("Unable to fetch avatar from %s"), $url));
|
|
}
|
|
|
|
if ($this->isGroup()) {
|
|
$id = $this->group_id;
|
|
} else {
|
|
$id = $this->profile_id;
|
|
}
|
|
// @fixme should we be using different ids?
|
|
$imagefile = new ImageFile($id, $temp_filename);
|
|
$filename = Avatar::filename($id,
|
|
image_type_to_extension($imagefile->type),
|
|
null,
|
|
common_timestamp());
|
|
rename($temp_filename, Avatar::path($filename));
|
|
$self->setOriginal($filename);
|
|
|
|
$orig = clone($this);
|
|
$this->avatar = $url;
|
|
$this->update($orig);
|
|
}
|
|
|
|
/**
|
|
* Pull avatar URL from ActivityObject or profile hints
|
|
*
|
|
* @param ActivityObject $object
|
|
* @param array $hints
|
|
* @return mixed URL string or false
|
|
*/
|
|
|
|
protected static function getActivityObjectAvatar($object, $hints=array())
|
|
{
|
|
if ($object->avatar) {
|
|
return $object->avatar;
|
|
} else if (array_key_exists('avatar', $hints)) {
|
|
return $hints['avatar'];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get an appropriate avatar image source URL, if available.
|
|
*
|
|
* @param ActivityObject $actor
|
|
* @param DOMElement $feed
|
|
* @return string
|
|
*/
|
|
|
|
protected static function getAvatar($actor, $feed)
|
|
{
|
|
$url = '';
|
|
$icon = '';
|
|
if ($actor->avatar) {
|
|
$url = trim($actor->avatar);
|
|
}
|
|
if (!$url) {
|
|
// Check <atom:logo> and <atom:icon> on the feed
|
|
$els = $feed->childNodes();
|
|
if ($els && $els->length) {
|
|
for ($i = 0; $i < $els->length; $i++) {
|
|
$el = $els->item($i);
|
|
if ($el->namespaceURI == Activity::ATOM) {
|
|
if (empty($url) && $el->localName == 'logo') {
|
|
$url = trim($el->textContent);
|
|
break;
|
|
}
|
|
if (empty($icon) && $el->localName == 'icon') {
|
|
// Use as a fallback
|
|
$icon = trim($el->textContent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($icon && !$url) {
|
|
$url = $icon;
|
|
}
|
|
}
|
|
if ($url) {
|
|
$opts = array('allowed_schemes' => array('http', 'https'));
|
|
if (Validate::uri($url, $opts)) {
|
|
return $url;
|
|
}
|
|
}
|
|
return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
|
|
}
|
|
|
|
/**
|
|
* Fetch, or build if necessary, an Ostatus_profile for the actor
|
|
* in a given Activity Streams activity.
|
|
*
|
|
* @param Activity $activity
|
|
* @param string $feeduri if we already know the canonical feed URI!
|
|
* @param string $salmonuri if we already know the salmon return channel URI
|
|
* @return Ostatus_profile
|
|
*/
|
|
|
|
public static function ensureActorProfile($activity, $feeduri=null, $salmonuri=null)
|
|
{
|
|
return self::ensureActivityObjectProfile($activity->actor, $feeduri, $salmonuri);
|
|
}
|
|
|
|
public static function ensureActivityObjectProfile($object, $feeduri=null, $salmonuri=null, $hints=array())
|
|
{
|
|
$profile = self::getActivityObjectProfile($object);
|
|
if ($profile) {
|
|
$profile->updateFromActivityObject($object, $hints);
|
|
} else {
|
|
$profile = self::createActivityObjectProfile($object, $feeduri, $salmonuri, $hints);
|
|
}
|
|
return $profile;
|
|
}
|
|
|
|
/**
|
|
* @param Activity $activity
|
|
* @return mixed matching Ostatus_profile or false if none known
|
|
*/
|
|
protected static function getActorProfile($activity)
|
|
{
|
|
return self::getActivityObjectProfile($activity->actor);
|
|
}
|
|
|
|
protected static function getActivityObjectProfile($object)
|
|
{
|
|
$uri = self::getActivityObjectProfileURI($object);
|
|
return Ostatus_profile::staticGet('uri', $uri);
|
|
}
|
|
|
|
protected static function getActorProfileURI($activity)
|
|
{
|
|
return self::getActivityObjectProfileURI($activity->actor);
|
|
}
|
|
|
|
/**
|
|
* @param Activity $activity
|
|
* @return string
|
|
* @throws ServerException
|
|
*/
|
|
protected static function getActivityObjectProfileURI($object)
|
|
{
|
|
$opts = array('allowed_schemes' => array('http', 'https'));
|
|
if ($object->id && Validate::uri($object->id, $opts)) {
|
|
return $object->id;
|
|
}
|
|
if ($object->link && Validate::uri($object->link, $opts)) {
|
|
return $object->link;
|
|
}
|
|
throw new ServerException("No author ID URI found");
|
|
}
|
|
|
|
/**
|
|
* @fixme validate stuff somewhere
|
|
*/
|
|
|
|
protected static function createActorProfile($activity, $feeduri=null, $salmonuri=null)
|
|
{
|
|
$actor = $activity->actor;
|
|
|
|
self::createActivityObjectProfile($actor, $feeduri, $salmonuri);
|
|
}
|
|
|
|
/**
|
|
* Create local ostatus_profile and profile/user_group entries for
|
|
* the provided remote user or group.
|
|
*
|
|
* @param ActivityObject $object
|
|
* @param string $feeduri
|
|
* @param string $salmonuri
|
|
* @param array $hints
|
|
*
|
|
* @fixme fold $feeduri/$salmonuri into $hints
|
|
* @return Ostatus_profile
|
|
*/
|
|
protected static function createActivityObjectProfile($object, $feeduri=null, $salmonuri=null, $hints=array())
|
|
{
|
|
$homeuri = $object->id;
|
|
|
|
if (!$homeuri) {
|
|
common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
|
|
throw new ServerException("No profile URI");
|
|
}
|
|
|
|
if (empty($feeduri)) {
|
|
if (array_key_exists('feedurl', $hints)) {
|
|
$feeduri = $hints['feedurl'];
|
|
}
|
|
}
|
|
|
|
if (empty($salmonuri)) {
|
|
if (array_key_exists('salmon', $hints)) {
|
|
$salmonuri = $hints['salmon'];
|
|
}
|
|
}
|
|
|
|
if (!$feeduri || !$salmonuri) {
|
|
// Get the canonical feed URI and check it
|
|
$discover = new FeedDiscovery();
|
|
$feeduri = $discover->discoverFromURL($homeuri);
|
|
|
|
$huburi = $discover->getAtomLink('hub');
|
|
$salmonuri = $discover->getAtomLink('salmon');
|
|
|
|
if (!$huburi) {
|
|
// We can only deal with folks with a PuSH hub
|
|
throw new FeedSubNoHubException();
|
|
}
|
|
}
|
|
|
|
$oprofile = new Ostatus_profile();
|
|
|
|
$oprofile->uri = $homeuri;
|
|
$oprofile->feeduri = $feeduri;
|
|
$oprofile->salmonuri = $salmonuri;
|
|
|
|
$oprofile->created = common_sql_now();
|
|
$oprofile->modified = common_sql_now();
|
|
|
|
if ($object->type == ActivityObject::PERSON) {
|
|
$profile = new Profile();
|
|
self::updateProfile($profile, $object, $hints);
|
|
$profile->created = common_sql_now();
|
|
|
|
$oprofile->profile_id = $profile->insert();
|
|
if (!$oprofile->profile_id) {
|
|
throw new ServerException("Can't save local profile");
|
|
}
|
|
} else {
|
|
$group = new User_group();
|
|
$group->created = common_sql_now();
|
|
self::updateGroup($group, $object, $hints);
|
|
|
|
$oprofile->group_id = $group->insert();
|
|
if (!$oprofile->group_id) {
|
|
throw new ServerException("Can't save local profile");
|
|
}
|
|
}
|
|
|
|
$ok = $oprofile->insert();
|
|
|
|
if ($ok) {
|
|
$avatar = self::getActivityObjectAvatar($object, $hints);
|
|
if ($avatar) {
|
|
$oprofile->updateAvatar($avatar);
|
|
}
|
|
return $oprofile;
|
|
} else {
|
|
throw new ServerException("Can't save OStatus profile");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save any updated profile information to our local copy.
|
|
* @param ActivityObject $object
|
|
* @param array $hints
|
|
*/
|
|
protected function updateFromActivityObject($object, $hints=array())
|
|
{
|
|
if ($this->isGroup()) {
|
|
$group = $this->localGroup();
|
|
self::updateGroup($group, $object, $hints);
|
|
} else {
|
|
$profile = $this->localProfile();
|
|
self::updateProfile($profile, $object, $hints);
|
|
}
|
|
$avatar = self::getActivityObjectAvatar($object, $hints);
|
|
if ($avatar) {
|
|
$this->updateAvatar($avatar);
|
|
}
|
|
}
|
|
|
|
protected static function updateProfile($profile, $object, $hints=array())
|
|
{
|
|
$orig = clone($profile);
|
|
|
|
$profile->nickname = self::getActivityObjectNickname($object, $hints);
|
|
$profile->fullname = $object->title;
|
|
if (!empty($object->link)) {
|
|
$profile->profileurl = $object->link;
|
|
} else if (array_key_exists('profileurl', $hints)) {
|
|
$profile->profileurl = $hints['profileurl'];
|
|
}
|
|
|
|
// @fixme bio
|
|
// @fixme tags/categories
|
|
// @fixme location?
|
|
// @todo tags from categories
|
|
// @todo lat/lon/location?
|
|
|
|
if ($profile->id) {
|
|
common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
|
|
$profile->update($orig);
|
|
}
|
|
}
|
|
|
|
protected static function updateGroup($group, $object, $hints=array())
|
|
{
|
|
$orig = clone($group);
|
|
|
|
// @fixme need to make nick unique etc *hack hack*
|
|
$group->nickname = self::getActivityObjectNickname($object, $hints);
|
|
$group->fullname = $object->title;
|
|
|
|
// @fixme no canonical profileurl; using homepage instead for now
|
|
$group->homepage = $object->id;
|
|
|
|
// @fixme homepage
|
|
// @fixme bio
|
|
// @fixme tags/categories
|
|
// @fixme location?
|
|
// @todo tags from categories
|
|
// @todo lat/lon/location?
|
|
|
|
if ($group->id) {
|
|
common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
|
|
$group->update($orig);
|
|
}
|
|
}
|
|
|
|
|
|
protected static function getActivityObjectNickname($object, $hints=array())
|
|
{
|
|
if ($object->poco) {
|
|
if (!empty($object->poco->preferredUsername)) {
|
|
return common_nicknamize($object->poco->preferredUsername);
|
|
}
|
|
}
|
|
if (!empty($object->nickname)) {
|
|
return common_nicknamize($object->nickname);
|
|
}
|
|
|
|
// Try the definitive ID
|
|
|
|
$nickname = self::nicknameFromURI($object->id);
|
|
|
|
// Try a Webfinger if one was passed (way) down
|
|
|
|
if (empty($nickname)) {
|
|
if (array_key_exists('webfinger', $hints)) {
|
|
$nickname = self::nicknameFromURI($hints['webfinger']);
|
|
}
|
|
}
|
|
|
|
// Try the name
|
|
|
|
if (empty($nickname)) {
|
|
$nickname = common_nicknamize($object->title);
|
|
}
|
|
|
|
return $nickname;
|
|
}
|
|
|
|
protected static function nicknameFromURI($uri)
|
|
{
|
|
preg_match('/(\w+):/', $uri, $matches);
|
|
|
|
$protocol = $matches[1];
|
|
|
|
switch ($protocol) {
|
|
case 'acct':
|
|
case 'mailto':
|
|
if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
|
|
return common_canonical_nickname($matches[1]);
|
|
}
|
|
return null;
|
|
case 'http':
|
|
return common_url_to_nickname($uri);
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static function ensureWebfinger($addr)
|
|
{
|
|
// First, look it up
|
|
|
|
$oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
|
|
|
|
if (!empty($oprofile)) {
|
|
return $oprofile;
|
|
}
|
|
|
|
// Now, try some discovery
|
|
|
|
$wf = new Webfinger();
|
|
|
|
$result = $wf->lookup($addr);
|
|
|
|
if (!$result) {
|
|
return null;
|
|
}
|
|
|
|
foreach ($result->links as $link) {
|
|
switch ($link['rel']) {
|
|
case Webfinger::PROFILEPAGE:
|
|
$profileUrl = $link['href'];
|
|
break;
|
|
case 'salmon':
|
|
$salmonEndpoint = $link['href'];
|
|
break;
|
|
case Webfinger::UPDATESFROM:
|
|
$feedUrl = $link['href'];
|
|
break;
|
|
default:
|
|
common_log(LOG_NOTICE, "Don't know what to do with rel = '{$link['rel']}'");
|
|
break;
|
|
}
|
|
}
|
|
|
|
$hints = array('webfinger' => $addr,
|
|
'profileurl' => $profileUrl,
|
|
'feedurl' => $feedUrl,
|
|
'salmon' => $salmonEndpoint);
|
|
|
|
// If we got a feed URL, try that
|
|
|
|
if (isset($feedUrl)) {
|
|
try {
|
|
$oprofile = self::ensureProfile($feedUrl, $hints);
|
|
return $oprofile;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
|
|
// keep looking
|
|
}
|
|
}
|
|
|
|
// If we got a profile page, try that!
|
|
|
|
if (isset($profileUrl)) {
|
|
try {
|
|
$oprofile = self::ensureProfile($profileUrl, $hints);
|
|
return $oprofile;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
|
|
// keep looking
|
|
}
|
|
}
|
|
|
|
// XXX: try hcard
|
|
// XXX: try FOAF
|
|
|
|
if (isset($salmonEndpoint)) {
|
|
|
|
// An account URL, a salmon endpoint, and a dream? Not much to go
|
|
// on, but let's give it a try
|
|
|
|
$uri = 'acct:'.$addr;
|
|
|
|
$profile = new Profile();
|
|
|
|
$profile->nickname = self::nicknameFromUri($uri);
|
|
$profile->created = common_sql_now();
|
|
|
|
if (isset($profileUrl)) {
|
|
$profile->profileurl = $profileUrl;
|
|
}
|
|
|
|
$profile_id = $profile->insert();
|
|
|
|
if (!$profile_id) {
|
|
common_log_db_error($profile, 'INSERT', __FILE__);
|
|
throw new Exception("Couldn't save profile for '$addr'");
|
|
}
|
|
|
|
$oprofile = new Ostatus_profile();
|
|
|
|
$oprofile->uri = $uri;
|
|
$oprofile->salmonuri = $salmonEndpoint;
|
|
$oprofile->profile_id = $profile_id;
|
|
$oprofile->created = common_sql_now();
|
|
|
|
if (isset($feedUrl)) {
|
|
$profile->feeduri = $feedUrl;
|
|
}
|
|
|
|
$result = $oprofile->insert();
|
|
|
|
if (!$result) {
|
|
common_log_db_error($oprofile, 'INSERT', __FILE__);
|
|
throw new Exception("Couldn't save ostatus_profile for '$addr'");
|
|
}
|
|
|
|
return $oprofile;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|