forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			1504 lines
		
	
	
		
			49 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1504 lines
		
	
	
		
			49 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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            return ActivityObject::fromGroup($this->localGroup());
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        } else {
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            return ActivityObject::fromProfile($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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        if ($this->isGroup()) {
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            $noun = ActivityObject::fromGroup($this->localGroup());
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            return $noun->asString('activity:' . $element);
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        } else {
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            $noun = ActivityObject::fromProfile($this->localProfile());
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            return $noun->asString('activity:' . $element);
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        }
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    }
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    /**
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     * @return boolean true if this is a remote group
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     */
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    function isGroup()
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    {
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        if ($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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        Subscription::start($this->localProfile(), $user->getProfile());
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        return true;
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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) {
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            return true;
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        }
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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 $this->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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                                'xmlns:media' => 'http://purl.org/syndication/atommedia');
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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, $actor);
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        }
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        return false;
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    }
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    /**
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     * Send a Salmon notification ping immediately, and confirm that we got
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     * an acceptable response from the remote site.
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     *
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     * @param mixed $entry XML string, Notice, or Activity
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     * @return boolean success
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     */
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    public function notifyActivity($entry, $actor)
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    {
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        if ($this->salmonuri) {
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            $salmon = new Salmon();
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            return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
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        }
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        return false;
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    }
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						|
 | 
						|
    /**
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     * Queue a Salmon notification for later. If queues are disabled we'll
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     * send immediately but won't get the return value.
 | 
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     *
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     * @param mixed $entry XML string, Notice, or Activity
 | 
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     * @return boolean success
 | 
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     */
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    public function notifyDeferred($entry, $actor)
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    {
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        if ($this->salmonuri) {
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            $data = array('salmonuri' => $this->salmonuri,
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                          'entry' => $this->notifyPrepXml($entry),
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                          'actor' => $actor->id);
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 | 
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            $qm = QueueManager::get();
 | 
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            return $qm->enqueue($data, 'salmon');
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						|
        }
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						|
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        return false;
 | 
						|
    }
 | 
						|
 | 
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    protected function notifyPrepXml($entry)
 | 
						|
    {
 | 
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        $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
 | 
						|
        if (is_string($entry)) {
 | 
						|
            return $entry;
 | 
						|
        } else if ($entry instanceof Activity) {
 | 
						|
            return $preamble . $entry->asString(true);
 | 
						|
        } else if ($entry instanceof Notice) {
 | 
						|
            return $preamble . $entry->asAtomEntry(true, true);
 | 
						|
        } else {
 | 
						|
            throw new ServerException("Invalid type passed to Ostatus_profile::notify; must be XML string or Activity entry");
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function getBestName()
 | 
						|
    {
 | 
						|
        if ($this->isGroup()) {
 | 
						|
            return $this->localGroup()->getBestName();
 | 
						|
        } else {
 | 
						|
            return $this->localProfile()->getBestName();
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Read and post notices for updates from the feed.
 | 
						|
     * Currently assumes that all items in the feed are new,
 | 
						|
     * coming from a PuSH hub.
 | 
						|
     *
 | 
						|
     * @param DOMDocument $feed
 | 
						|
     */
 | 
						|
    public function processFeed($feed, $source)
 | 
						|
    {
 | 
						|
        $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
 | 
						|
        if ($entries->length == 0) {
 | 
						|
            common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        for ($i = 0; $i < $entries->length; $i++) {
 | 
						|
            $entry = $entries->item($i);
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						|
            $this->processEntry($entry, $feed, $source);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Process a posted entry from this feed source.
 | 
						|
     *
 | 
						|
     * @param DOMElement $entry
 | 
						|
     * @param DOMElement $feed for context
 | 
						|
     */
 | 
						|
    public function processEntry($entry, $feed, $source)
 | 
						|
    {
 | 
						|
        $activity = new Activity($entry, $feed);
 | 
						|
 | 
						|
        if ($activity->verb == ActivityVerb::POST) {
 | 
						|
            $this->processPost($activity, $source);
 | 
						|
        } else {
 | 
						|
            common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Process an incoming post activity from this remote feed.
 | 
						|
     * @param Activity $activity
 | 
						|
     * @param string $method 'push' or 'salmon'
 | 
						|
     * @return mixed saved Notice or false
 | 
						|
     * @fixme break up this function, it's getting nasty long
 | 
						|
     */
 | 
						|
    public function processPost($activity, $method)
 | 
						|
    {
 | 
						|
        if ($this->isGroup()) {
 | 
						|
            // A group feed will contain posts from multiple authors.
 | 
						|
            // @fixme validate these profiles in some way!
 | 
						|
            $oprofile = self::ensureActorProfile($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));
 | 
						|
 | 
						|
        $shortened = common_shorten_links($content);
 | 
						|
 | 
						|
        // If it's too long, try using the summary, and make the
 | 
						|
        // HTML an attachment.
 | 
						|
 | 
						|
        $attachment = null;
 | 
						|
 | 
						|
        if (Notice::contentTooLong($shortened)) {
 | 
						|
            $attachment = $this->saveHTMLFile($activity->object->title, $rendered);
 | 
						|
            $summary = $activity->object->summary;
 | 
						|
            if (empty($summary)) {
 | 
						|
                $summary = $content;
 | 
						|
            }
 | 
						|
            $shortSummary = common_shorten_links($summary);
 | 
						|
            if (Notice::contentTooLong($shortSummary)) {
 | 
						|
                $url = common_shorten_url(common_local_url('attachment',
 | 
						|
                                                           array('attachment' => $attachment->id)));
 | 
						|
                $shortSummary = substr($shortSummary,
 | 
						|
                                       0,
 | 
						|
                                       Notice::maxContent() - (mb_strlen($url) + 2));
 | 
						|
                $shortSummary .= '… ' . $url;
 | 
						|
                $content = $shortSummary;
 | 
						|
                $rendered = common_render_text($content);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $options = array('is_local' => Notice::REMOTE_OMB,
 | 
						|
                        'url' => $sourceUrl,
 | 
						|
                        'uri' => $sourceUri,
 | 
						|
                        'rendered' => $rendered,
 | 
						|
                        'replies' => array(),
 | 
						|
                        'groups' => array(),
 | 
						|
                        'tags' => array());
 | 
						|
 | 
						|
        // Check for optional attributes...
 | 
						|
 | 
						|
        if (!empty($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'] = $location->location_id;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Atom categories <-> hashtags
 | 
						|
        foreach ($activity->categories as $cat) {
 | 
						|
            if ($cat->term) {
 | 
						|
                $term = common_canonical_tag($cat->term);
 | 
						|
                if ($term) {
 | 
						|
                    $options['tags'][] = $term;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        try {
 | 
						|
            $saved = Notice::saveNew($oprofile->profile_id,
 | 
						|
                                     $content,
 | 
						|
                                     'ostatus',
 | 
						|
                                     $options);
 | 
						|
            if ($saved) {
 | 
						|
                Ostatus_source::saveNew($saved, $this, $method);
 | 
						|
                if (!empty($attachment)) {
 | 
						|
                    File_to_post::processNew($attachment->id, $saved->id);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } 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)
 | 
						|
    {
 | 
						|
        require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
 | 
						|
        $config = array('safe' => 1);
 | 
						|
        return htmLawed($html, $config);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Filters a list of recipient ID URIs to just those for local delivery.
 | 
						|
     * @param Ostatus_profile local profile of sender
 | 
						|
     * @param array in/out &$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
 | 
						|
        $discover = new FeedDiscovery();
 | 
						|
        if ($hints['feedurl']) {
 | 
						|
            $feeduri = $hints['feedurl'];
 | 
						|
            $feeduri = $discover->discoverFromFeedURL($feeduri);
 | 
						|
        } else {
 | 
						|
            $feeduri = $discover->discoverFromURL($profile_uri);
 | 
						|
            $hints['feedurl'] = $feeduri;
 | 
						|
        }
 | 
						|
 | 
						|
        $huburi = $discover->getAtomLink('hub');
 | 
						|
        $hints['hub'] = $huburi;
 | 
						|
        $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
 | 
						|
        $hints['salmon'] = $salmonuri;
 | 
						|
 | 
						|
        if (!$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, $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, $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, $hints);
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            $author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
 | 
						|
 | 
						|
            if (!empty($author)) {
 | 
						|
                $authorObject = new ActivityObject($author);
 | 
						|
                return self::ensureActivityObjectProfile($authorObject, $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->avatarLinks) {
 | 
						|
            $best = false;
 | 
						|
            // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
 | 
						|
            foreach ($object->avatarLinks as $avatar) {
 | 
						|
                if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
 | 
						|
                    // Exact match!
 | 
						|
                    $best = $avatar;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
                if (!$best || $avatar->width > $best->width) {
 | 
						|
                    $best = $avatar;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $best->url;
 | 
						|
        } 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, $hints=array())
 | 
						|
    {
 | 
						|
        return self::ensureActivityObjectProfile($activity->actor, $hints);
 | 
						|
    }
 | 
						|
 | 
						|
    public static function ensureActivityObjectProfile($object, $hints=array())
 | 
						|
    {
 | 
						|
        $profile = self::getActivityObjectProfile($object);
 | 
						|
        if ($profile) {
 | 
						|
            $profile->updateFromActivityObject($object, $hints);
 | 
						|
        } else {
 | 
						|
            $profile = self::createActivityObjectProfile($object, $hints);
 | 
						|
        }
 | 
						|
        return $profile;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param Activity $activity
 | 
						|
     * @return mixed matching Ostatus_profile or false if none known
 | 
						|
     */
 | 
						|
    public static function getActorProfile($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
 | 
						|
     */
 | 
						|
 | 
						|
    /**
 | 
						|
     * Create local ostatus_profile and profile/user_group entries for
 | 
						|
     * the provided remote user or group.
 | 
						|
     *
 | 
						|
     * @param ActivityObject $object
 | 
						|
     * @param array $hints
 | 
						|
     *
 | 
						|
     * @return Ostatus_profile
 | 
						|
     */
 | 
						|
    protected static function createActivityObjectProfile($object, $hints=array())
 | 
						|
    {
 | 
						|
        $homeuri = $object->id;
 | 
						|
        $discover = false;
 | 
						|
 | 
						|
        if (!$homeuri) {
 | 
						|
            common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
 | 
						|
            throw new ServerException("No profile URI");
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('feedurl', $hints)) {
 | 
						|
            $feeduri = $hints['feedurl'];
 | 
						|
        } else {
 | 
						|
            $discover = new FeedDiscovery();
 | 
						|
            $feeduri = $discover->discoverFromURL($homeuri);
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('salmon', $hints)) {
 | 
						|
            $salmonuri = $hints['salmon'];
 | 
						|
        } else {
 | 
						|
            if (!$discover) {
 | 
						|
                $discover = new FeedDiscovery();
 | 
						|
                $discover->discoverFromFeedURL($hints['feedurl']);
 | 
						|
            }
 | 
						|
            $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('hub', $hints)) {
 | 
						|
            $huburi = $hints['hub'];
 | 
						|
        } else {
 | 
						|
            if (!$discover) {
 | 
						|
                $discover = new FeedDiscovery();
 | 
						|
                $discover->discoverFromFeedURL($hints['feedurl']);
 | 
						|
            }
 | 
						|
            $huburi = $discover->getAtomLink('hub');
 | 
						|
        }
 | 
						|
 | 
						|
        if (!$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();
 | 
						|
            $profile->created = common_sql_now();
 | 
						|
            self::updateProfile($profile, $object, $hints);
 | 
						|
 | 
						|
            $oprofile->profile_id = $profile->insert();
 | 
						|
            if (!$oprofile->profile_id) {
 | 
						|
                throw new ServerException("Can't save local profile");
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $group = new User_group();
 | 
						|
            $group->uri = $homeuri;
 | 
						|
            $group->created = common_sql_now();
 | 
						|
            self::updateGroup($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 $hints
 | 
						|
     */
 | 
						|
    public function updateFromActivityObject($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, $hints);
 | 
						|
 | 
						|
        if (!empty($object->title)) {
 | 
						|
            $profile->fullname = $object->title;
 | 
						|
        } else if (array_key_exists('fullname', $hints)) {
 | 
						|
            $profile->fullname = $hints['fullname'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($object->link)) {
 | 
						|
            $profile->profileurl = $object->link;
 | 
						|
        } else if (array_key_exists('profileurl', $hints)) {
 | 
						|
            $profile->profileurl = $hints['profileurl'];
 | 
						|
        } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
 | 
						|
            $profile->profileurl = $object->id;
 | 
						|
        }
 | 
						|
 | 
						|
        $profile->bio      = self::getActivityObjectBio($object, $hints);
 | 
						|
        $profile->location = self::getActivityObjectLocation($object, $hints);
 | 
						|
        $profile->homepage = self::getActivityObjectHomepage($object, $hints);
 | 
						|
 | 
						|
        if (!empty($object->geopoint)) {
 | 
						|
            $location = ActivityContext::locationFromPoint($object->geopoint);
 | 
						|
            if (!empty($location)) {
 | 
						|
                $profile->lat = $location->lat;
 | 
						|
                $profile->lon = $location->lon;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // @fixme tags/categories
 | 
						|
        // @todo tags from categories
 | 
						|
 | 
						|
        if ($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);
 | 
						|
 | 
						|
        $group->nickname = self::getActivityObjectNickname($object, $hints);
 | 
						|
        $group->fullname = $object->title;
 | 
						|
 | 
						|
        if (!empty($object->link)) {
 | 
						|
            $group->mainpage = $object->link;
 | 
						|
        } else if (array_key_exists('profileurl', $hints)) {
 | 
						|
            $group->mainpage = $hints['profileurl'];
 | 
						|
        }
 | 
						|
 | 
						|
        // @todo tags from categories
 | 
						|
        $group->description = self::getActivityObjectBio($object, $hints);
 | 
						|
        $group->location = self::getActivityObjectLocation($object, $hints);
 | 
						|
        $group->homepage = self::getActivityObjectHomepage($object, $hints);
 | 
						|
 | 
						|
        if ($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 getActivityObjectHomepage($object, $hints=array())
 | 
						|
    {
 | 
						|
        $homepage = null;
 | 
						|
        $poco     = $object->poco;
 | 
						|
 | 
						|
        if (!empty($poco)) {
 | 
						|
            $url = $poco->getPrimaryURL();
 | 
						|
            if ($url->type == 'homepage') {
 | 
						|
                $homepage = $url->value;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // @todo Try for a another PoCo URL?
 | 
						|
 | 
						|
        return $homepage;
 | 
						|
    }
 | 
						|
 | 
						|
    protected static function getActivityObjectLocation($object, $hints=array())
 | 
						|
    {
 | 
						|
        $location = null;
 | 
						|
 | 
						|
        if (!empty($object->poco) &&
 | 
						|
            isset($object->poco->address->formatted)) {
 | 
						|
            $location = $object->poco->address->formatted;
 | 
						|
        } else if (array_key_exists('location', $hints)) {
 | 
						|
            $location = $hints['location'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($location)) {
 | 
						|
            if (mb_strlen($location) > 255) {
 | 
						|
                $location = mb_substr($note, 0, 255 - 3) . ' … ';
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // @todo Try to find location some othe way? Via goerss point?
 | 
						|
 | 
						|
        return $location;
 | 
						|
    }
 | 
						|
 | 
						|
    protected static function getActivityObjectBio($object, $hints=array())
 | 
						|
    {
 | 
						|
        $bio  = null;
 | 
						|
 | 
						|
        if (!empty($object->poco)) {
 | 
						|
            $note = $object->poco->note;
 | 
						|
        } else if (array_key_exists('bio', $hints)) {
 | 
						|
            $note = $hints['bio'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($note)) {
 | 
						|
            if (Profile::bioTooLong($note)) {
 | 
						|
                // XXX: truncate ok?
 | 
						|
                $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
 | 
						|
            } else {
 | 
						|
                $bio = $note;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // @todo Try to get bio info some other way?
 | 
						|
 | 
						|
        return $bio;
 | 
						|
    }
 | 
						|
 | 
						|
    protected static function getActivityObjectNickname($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);
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('nickname', $hints)) {
 | 
						|
            return $hints['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, try the cache
 | 
						|
 | 
						|
        $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
 | 
						|
 | 
						|
        if ($uri !== false) {
 | 
						|
            if (is_null($uri)) {
 | 
						|
                return null;
 | 
						|
            }
 | 
						|
            $oprofile = Ostatus_profile::staticGet('uri', $uri);
 | 
						|
            if (!empty($oprofile)) {
 | 
						|
                return $oprofile;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // First, look it up
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
 | 
						|
 | 
						|
        if (!empty($oprofile)) {
 | 
						|
            self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | 
						|
            return $oprofile;
 | 
						|
        }
 | 
						|
 | 
						|
        // Now, try some discovery
 | 
						|
 | 
						|
        $disco = new Discovery();
 | 
						|
 | 
						|
        $result = $disco->lookup($addr);
 | 
						|
 | 
						|
        if (!$result) {
 | 
						|
            self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        foreach ($result->links as $link) {
 | 
						|
            switch ($link['rel']) {
 | 
						|
            case Discovery::PROFILEPAGE:
 | 
						|
                $profileUrl = $link['href'];
 | 
						|
                break;
 | 
						|
            case Salmon::NS_REPLIES:
 | 
						|
                $salmonEndpoint = $link['href'];
 | 
						|
                break;
 | 
						|
            case Discovery::UPDATESFROM:
 | 
						|
                $feedUrl = $link['href'];
 | 
						|
                break;
 | 
						|
            case Discovery::HCARD:
 | 
						|
                $hcardUrl = $link['href'];
 | 
						|
                break;
 | 
						|
            default:
 | 
						|
                common_log(LOG_NOTICE, "Don't know what to do with rel = '{$link['rel']}'");
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $hints = array('webfinger' => $addr,
 | 
						|
                       'profileurl' => $profileUrl,
 | 
						|
                       'feedurl' => $feedUrl,
 | 
						|
                       'salmon' => $salmonEndpoint);
 | 
						|
 | 
						|
        if (isset($hcardUrl)) {
 | 
						|
            $hcardHints = self::slurpHcard($hcardUrl);
 | 
						|
            // Note: Webfinger > hcard
 | 
						|
            $hints = array_merge($hcardHints, $hints);
 | 
						|
        }
 | 
						|
 | 
						|
        // If we got a feed URL, try that
 | 
						|
 | 
						|
        if (isset($feedUrl)) {
 | 
						|
            try {
 | 
						|
                common_log(LOG_INFO, "Discovery on acct:$addr with feed URL $feedUrl");
 | 
						|
                $oprofile = self::ensureProfile($feedUrl, $hints);
 | 
						|
                self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | 
						|
                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 {
 | 
						|
                common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
 | 
						|
                $oprofile = self::ensureProfile($profileUrl, $hints);
 | 
						|
                self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | 
						|
                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'");
 | 
						|
            }
 | 
						|
 | 
						|
            self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | 
						|
            return $oprofile;
 | 
						|
        }
 | 
						|
 | 
						|
        return null;
 | 
						|
    }
 | 
						|
 | 
						|
    function saveHTMLFile($title, $rendered)
 | 
						|
    {
 | 
						|
        $final = sprintf("<!DOCTYPE html>\n<html><head><title>%s</title></head>".
 | 
						|
                         '<body><div>%s</div></body></html>',
 | 
						|
                         htmlspecialchars($title),
 | 
						|
                         $rendered);
 | 
						|
 | 
						|
        $filename = File::filename($this->localProfile(),
 | 
						|
                                   'ostatus', // ignored?
 | 
						|
                                   'text/html');
 | 
						|
 | 
						|
        $filepath = File::path($filename);
 | 
						|
 | 
						|
        file_put_contents($filepath, $final);
 | 
						|
 | 
						|
        $file = new File;
 | 
						|
 | 
						|
        $file->filename = $filename;
 | 
						|
        $file->url      = File::url($filename);
 | 
						|
        $file->size     = filesize($filepath);
 | 
						|
        $file->date     = time();
 | 
						|
        $file->mimetype = 'text/html';
 | 
						|
 | 
						|
        $file_id = $file->insert();
 | 
						|
 | 
						|
        if ($file_id === false) {
 | 
						|
            common_log_db_error($file, "INSERT", __FILE__);
 | 
						|
            throw new ServerException(_('Could not store HTML content of long post as file.'));
 | 
						|
        }
 | 
						|
 | 
						|
        return $file;
 | 
						|
    }
 | 
						|
 | 
						|
    protected static function slurpHcard($url)
 | 
						|
    {
 | 
						|
        set_include_path(get_include_path() . PATH_SEPARATOR . INSTALLDIR . '/plugins/OStatus/extlib/hkit/');
 | 
						|
        require_once('hkit.class.php');
 | 
						|
 | 
						|
        $h	= new hKit;
 | 
						|
 | 
						|
        // Google Buzz hcards need to be tidied. Probably others too.
 | 
						|
 | 
						|
        $h->tidy_mode = 'proxy'; // 'proxy', 'exec', 'php' or 'none'
 | 
						|
 | 
						|
        // Get by URL
 | 
						|
        $hcards = $h->getByURL('hcard', $url);
 | 
						|
 | 
						|
        if (empty($hcards)) {
 | 
						|
            return array();
 | 
						|
        }
 | 
						|
 | 
						|
        // @fixme more intelligent guess on multi-hcard pages
 | 
						|
        $hcard = $hcards[0];
 | 
						|
 | 
						|
        $hints = array();
 | 
						|
 | 
						|
        $hints['profileurl'] = $url;
 | 
						|
 | 
						|
        if (array_key_exists('nickname', $hcard)) {
 | 
						|
            $hints['nickname'] = $hcard['nickname'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('fn', $hcard)) {
 | 
						|
            $hints['fullname'] = $hcard['fn'];
 | 
						|
        } else if (array_key_exists('n', $hcard)) {
 | 
						|
            $hints['fullname'] = implode(' ', $hcard['n']);
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('photo', $hcard)) {
 | 
						|
            $hints['avatar'] = $hcard['photo'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('note', $hcard)) {
 | 
						|
            $hints['bio'] = $hcard['note'];
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('adr', $hcard)) {
 | 
						|
            if (is_string($hcard['adr'])) {
 | 
						|
                $hints['location'] = $hcard['adr'];
 | 
						|
            } else if (is_array($hcard['adr'])) {
 | 
						|
                $hints['location'] = implode(' ', $hcard['adr']);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (array_key_exists('url', $hcard)) {
 | 
						|
            if (is_string($hcard['url'])) {
 | 
						|
                $hints['homepage'] = $hcard['url'];
 | 
						|
            } else if (is_array($hcard['adr'])) {
 | 
						|
                // HACK get the last one; that's how our hcards look
 | 
						|
                $hints['homepage'] = $hcard['url'][count($hcard['url'])-1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $hints;
 | 
						|
    }
 | 
						|
}
 |