995 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			995 lines
		
	
	
		
			31 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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| /**
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|  * @package OStatusPlugin
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|  * @maintainer Brion Vibber <brion@status.net>
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|  */
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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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| 
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|     public $uri;
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| 
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|     public $profile_id;
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|     public $group_id;
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| 
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|     public $feeduri;
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|     public $salmonuri;
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| 
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|     public $created;
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|     public $modified;
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| 
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|     public /*static*/ function staticGet($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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|     /**
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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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| 
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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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|                      '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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| 
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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('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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|     /**
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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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| 
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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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|     /**
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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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| 
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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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| 
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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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|     /**
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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', $this->profile_id);
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|         }
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|         return null;
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|     }
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| 
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|     /**
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|      * Fetch the StatusNet-side profile for this feed
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|      * @return Profile
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|      */
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|     public function localGroup()
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|     {
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|         if ($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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|     /**
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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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|      * @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 = $this->localGroup();
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| 
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|             // @fixme put a standard getAvatar() interface on groups too
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|             if ($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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| 
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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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| 
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|         $xs->elementEnd('activity:' . $element);
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| 
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|         return $xs->getString();
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|     }
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| 
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|     /**
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|      * Damn dirty hack!
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|      */
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|     function isGroup()
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|     {
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|         return (strpos($this->feeduri, '/groups/') !== false);
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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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| 
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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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|     /**
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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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| 
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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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|         $sub->created = common_sql_now(); // current time
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| 
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|         if ($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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|     /**
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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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|     /**
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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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|     /**
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|             $salmon = new Salmon(); // ?
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|             $salmon->post($this->salmonuri, $xml);
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|         }
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|     }
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| 
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|     public function notifyActivity($activity)
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|     {
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|         if ($this->salmonuri) {
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| 
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|             $xml = $activity->asString(true);
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| 
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|             $salmon = new Salmon(); // ?
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| 
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|             $salmon->post($this->salmonuri, $xml);
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|         }
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| 
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|         return;
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|     }
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| 
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|     function getBestName()
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|     {
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|         if ($this->isGroup()) {
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|             return $this->localGroup()->getBestName();
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|         } else {
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|             return $this->localProfile()->getBestName();
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|         }
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|     }
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| 
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|     function atomFeed($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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| 
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|         $taguribase = common_config('integration', 'taguri');
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|         $feed->setId("tag:{$taguribase}:UserTimeline:{$actor->id}"); // ???
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| 
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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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| 
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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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| 
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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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| 
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|         return $feed;
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|     }
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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)
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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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| 
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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);
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|         }
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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 $feed for context
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|      */
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|     protected function processEntry($entry, $feed)
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|     {
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|         $activity = new Activity($entry, $feed);
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| 
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|         $debug = var_export($activity, true);
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|         common_log(LOG_DEBUG, $debug);
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| 
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|         if ($activity->verb == ActivityVerb::POST) {
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|             $this->processPost($activity);
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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 $activity
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|      */
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|     protected function processPost($activity)
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|     {
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|         if ($this->isGroup()) {
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|             // @fixme validate these profiles in some way!
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|             $oprofile = self::ensureActorProfile($activity);
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|         } else {
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|             $actorUri = self::getActorProfileURI($activity);
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|             if ($actorUri == $this->uri) {
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|                 // @fixme check if profile info has changed and update it
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|             } else {
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|                 // @fixme drop or reject the messages once we've got the canonical profile URI recorded sanely
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|                 common_log(LOG_INFO, "OStatus: Warning: non-group post with unexpected author: $actorUri expected $this->uri");
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|                 //return;
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|             }
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|             $oprofile = $this;
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|         }
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| 
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|         $sourceUri = $activity->object->id;
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| 
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|         $dupe = Notice::staticGet('uri', $sourceUri);
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| 
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|         if ($dupe) {
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|             common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
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|             return;
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|         }
 | |
| 
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|         $sourceUrl = null;
 | |
| 
 | |
|         if ($activity->object->link) {
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|             $sourceUrl = $activity->object->link;
 | |
|         } else if (preg_match('!^https?://!', $activity->object->id)) {
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|             $sourceUrl = $activity->object->id;
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|         }
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| 
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|         // @fixme sanitize and save HTML content if available
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| 
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|         $content = $activity->object->title;
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| 
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|         $params = array('is_local' => Notice::REMOTE_OMB,
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|                         'url' => $sourceUrl,
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|                         'uri' => $sourceUri);
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| 
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|         $location = $activity->context->location;
 | |
| 
 | |
|         if ($location) {
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|             $params['lat'] = $location->lat;
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|             $params['lon'] = $location->lon;
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|             if ($location->location_id) {
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|                 $params['location_ns'] = $location->location_ns;
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|                 $params['location_id'] = $location->location_id;
 | |
|             }
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|         }
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| 
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|         // @fixme ensure that groups get handled correctly
 | |
| 
 | |
|         $saved = Notice::saveNew($oprofile->localProfile()->id,
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|                                  $content,
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|                                  'ostatus',
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|                                  $params);
 | |
| 
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|         // Record which feed this came through...
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|         Ostatus_source::saveNew($saved, $this, 'push');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @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)
 | |
|     {
 | |
|         // @fixme this should be better encapsulated
 | |
|         // ripped from oauthstore.php (for old OMB client)
 | |
|         $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
 | |
|         copy($url, $temp_filename);
 | |
| 
 | |
|         if ($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($filename));
 | |
|         if ($this->isGroup()) {
 | |
|             $group = $this->localGroup();
 | |
|             $group->setOriginal($filename);
 | |
|         } else {
 | |
|             $profile = $this->localProfile();
 | |
|             $profile->setOriginal($filename);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     protected static function getActivityObjectAvatar($object)
 | |
|     {
 | |
|         // XXX: go poke around in the feed
 | |
|         return $object->avatar;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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) {
 | |
|             $profile = self::createActivityObjectProfile($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, $salmonuri);
 | |
|     }
 | |
| 
 | |
|     protected static function createActivityObjectProfile($object, $feeduri=null, $salmonuri=null, $hints=array())
 | |
|     {
 | |
|         $homeuri  = $object->id;
 | |
|         $nickname = self::getActivityObjectNickname($object, $hints);
 | |
|         $avatar   = self::getActivityObjectAvatar($object);
 | |
| 
 | |
|         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();
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $profile = new Profile();
 | |
|         $profile->nickname   = $nickname;
 | |
|         $profile->fullname   = $object->title;
 | |
|         if (!empty($object->link)) {
 | |
|             $profile->profileurl = $object->link;
 | |
|         } else if (array_key_exists('profileurl', $hints)) {
 | |
|             $profile->profileurl = $hints['profileurl'];
 | |
|         }
 | |
|         $profile->created    = common_sql_now();
 | |
| 
 | |
|         // @fixme bio
 | |
|         // @fixme tags/categories
 | |
|         // @fixme location?
 | |
|         // @todo tags from categories
 | |
|         // @todo lat/lon/location?
 | |
| 
 | |
|         $profile_id = $profile->insert();
 | |
| 
 | |
|         if (!$profile_id) {
 | |
|             throw new ServerException("Can't save local profile");
 | |
|         }
 | |
| 
 | |
|         // @fixme either need to do feed discovery here
 | |
|         // or need to split out some of the feed stuff
 | |
|         // so we can leave it empty until later.
 | |
| 
 | |
|         $oprofile = new Ostatus_profile();
 | |
| 
 | |
|         $oprofile->uri        = $homeuri;
 | |
|         $oprofile->feeduri    = $feeduri;
 | |
|         $oprofile->salmonuri  = $salmonuri;
 | |
|         $oprofile->profile_id = $profile_id;
 | |
| 
 | |
|         $oprofile->created    = common_sql_now();
 | |
|         $oprofile->modified   = common_sql_now();
 | |
| 
 | |
|         $ok = $oprofile->insert();
 | |
| 
 | |
|         if ($ok) {
 | |
|             $oprofile->updateAvatar($avatar);
 | |
|             return $oprofile;
 | |
|         } else {
 | |
|             throw new ServerException("Can't save OStatus profile");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     protected static function getActivityObjectNickname($object, $hints=array())
 | |
|     {
 | |
|         // XXX: check whatever PoCo calls a nickname first
 | |
| 
 | |
|         // 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;
 | |
|     }
 | |
| }
 |