532 lines
15 KiB
PHP
532 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* An activity
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @category Feed
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET')) {
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* A noun-ish thing in the activity universe
|
|
*
|
|
* The activity streams spec talks about activity objects, while also having
|
|
* a tag activity:object, which is in fact an activity object. Aaaaaah!
|
|
*
|
|
* This is just a thing in the activity universe. Can be the subject, object,
|
|
* or indirect object (target!) of an activity verb. Rotten name, and I'm
|
|
* propagating it. *sigh*
|
|
*
|
|
* @category OStatus
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
class ActivityObject
|
|
{
|
|
const ARTICLE = 'http://activitystrea.ms/schema/1.0/article';
|
|
const BLOGENTRY = 'http://activitystrea.ms/schema/1.0/blog-entry';
|
|
const NOTE = 'http://activitystrea.ms/schema/1.0/note';
|
|
const STATUS = 'http://activitystrea.ms/schema/1.0/status';
|
|
const FILE = 'http://activitystrea.ms/schema/1.0/file';
|
|
const PHOTO = 'http://activitystrea.ms/schema/1.0/photo';
|
|
const ALBUM = 'http://activitystrea.ms/schema/1.0/photo-album';
|
|
const PLAYLIST = 'http://activitystrea.ms/schema/1.0/playlist';
|
|
const VIDEO = 'http://activitystrea.ms/schema/1.0/video';
|
|
const AUDIO = 'http://activitystrea.ms/schema/1.0/audio';
|
|
const BOOKMARK = 'http://activitystrea.ms/schema/1.0/bookmark';
|
|
const PERSON = 'http://activitystrea.ms/schema/1.0/person';
|
|
const GROUP = 'http://activitystrea.ms/schema/1.0/group';
|
|
const PLACE = 'http://activitystrea.ms/schema/1.0/place';
|
|
const COMMENT = 'http://activitystrea.ms/schema/1.0/comment';
|
|
// ^^^^^^^^^^ tea!
|
|
|
|
// Atom elements we snarf
|
|
|
|
const TITLE = 'title';
|
|
const SUMMARY = 'summary';
|
|
const ID = 'id';
|
|
const SOURCE = 'source';
|
|
|
|
const NAME = 'name';
|
|
const URI = 'uri';
|
|
const EMAIL = 'email';
|
|
|
|
const POSTEROUS = 'http://posterous.com/help/rss/1.0';
|
|
const AUTHOR = 'author';
|
|
const USERIMAGE = 'userImage';
|
|
const PROFILEURL = 'profileUrl';
|
|
const NICKNAME = 'nickName';
|
|
const DISPLAYNAME = 'displayName';
|
|
|
|
public $element;
|
|
public $type;
|
|
public $id;
|
|
public $title;
|
|
public $summary;
|
|
public $content;
|
|
public $link;
|
|
public $source;
|
|
public $avatarLinks = array();
|
|
public $geopoint;
|
|
public $poco;
|
|
public $displayName;
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* This probably needs to be refactored
|
|
* to generate a local class (ActivityPerson, ActivityFile, ...)
|
|
* based on the object type.
|
|
*
|
|
* @param DOMElement $element DOM thing to turn into an Activity thing
|
|
*/
|
|
|
|
function __construct($element = null)
|
|
{
|
|
if (empty($element)) {
|
|
return;
|
|
}
|
|
|
|
$this->element = $element;
|
|
|
|
$this->geopoint = $this->_childContent(
|
|
$element,
|
|
ActivityContext::POINT,
|
|
ActivityContext::GEORSS
|
|
);
|
|
|
|
if ($element->tagName == 'author') {
|
|
$this->_fromAuthor($element);
|
|
} else if ($element->tagName == 'item') {
|
|
$this->_fromRssItem($element);
|
|
} else {
|
|
$this->_fromAtomEntry($element);
|
|
}
|
|
|
|
// Some per-type attributes...
|
|
if ($this->type == self::PERSON || $this->type == self::GROUP) {
|
|
$this->displayName = $this->title;
|
|
|
|
$photos = ActivityUtils::getLinks($element, 'photo');
|
|
if (count($photos)) {
|
|
foreach ($photos as $link) {
|
|
$this->avatarLinks[] = new AvatarLink($link);
|
|
}
|
|
} else {
|
|
$avatars = ActivityUtils::getLinks($element, 'avatar');
|
|
foreach ($avatars as $link) {
|
|
$this->avatarLinks[] = new AvatarLink($link);
|
|
}
|
|
}
|
|
|
|
$this->poco = new PoCo($element);
|
|
}
|
|
}
|
|
|
|
private function _fromAuthor($element)
|
|
{
|
|
$this->type = self::PERSON; // XXX: is this fair?
|
|
$this->title = $this->_childContent($element, self::NAME);
|
|
$this->id = $this->_childContent($element, self::URI);
|
|
|
|
if (empty($this->id)) {
|
|
$email = $this->_childContent($element, self::EMAIL);
|
|
if (!empty($email)) {
|
|
// XXX: acct: ?
|
|
$this->id = 'mailto:'.$email;
|
|
}
|
|
}
|
|
}
|
|
|
|
private function _fromAtomEntry($element)
|
|
{
|
|
$this->type = $this->_childContent($element, Activity::OBJECTTYPE,
|
|
Activity::SPEC);
|
|
|
|
if (empty($this->type)) {
|
|
$this->type = ActivityObject::NOTE;
|
|
}
|
|
|
|
$this->id = $this->_childContent($element, self::ID);
|
|
$this->summary = ActivityUtils::childHtmlContent($element, self::SUMMARY);
|
|
$this->content = ActivityUtils::getContent($element);
|
|
|
|
// We don't like HTML in our titles, although it's technically allowed
|
|
|
|
$title = ActivityUtils::childHtmlContent($element, self::TITLE);
|
|
|
|
$this->title = html_entity_decode(strip_tags($title));
|
|
|
|
$this->source = $this->_getSource($element);
|
|
|
|
$this->link = ActivityUtils::getPermalink($element);
|
|
}
|
|
|
|
// @fixme rationalize with Activity::_fromRssItem()
|
|
|
|
private function _fromRssItem($item)
|
|
{
|
|
$this->title = ActivityUtils::childContent($item, ActivityObject::TITLE, Activity::RSS);
|
|
|
|
$contentEl = ActivityUtils::child($item, ActivityUtils::CONTENT, Activity::CONTENTNS);
|
|
|
|
if (!empty($contentEl)) {
|
|
$this->content = htmlspecialchars_decode($contentEl->textContent, ENT_QUOTES);
|
|
} else {
|
|
$descriptionEl = ActivityUtils::child($item, Activity::DESCRIPTION, Activity::RSS);
|
|
if (!empty($descriptionEl)) {
|
|
$this->content = htmlspecialchars_decode($descriptionEl->textContent, ENT_QUOTES);
|
|
}
|
|
}
|
|
|
|
$this->link = ActivityUtils::childContent($item, ActivityUtils::LINK, Activity::RSS);
|
|
|
|
$guidEl = ActivityUtils::child($item, Activity::GUID, Activity::RSS);
|
|
|
|
if (!empty($guidEl)) {
|
|
$this->id = $guidEl->textContent;
|
|
|
|
if ($guidEl->hasAttribute('isPermaLink')) {
|
|
// overwrites <link>
|
|
$this->link = $this->id;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static function fromRssAuthor($el)
|
|
{
|
|
$text = $el->textContent;
|
|
|
|
if (preg_match('/^(.*?) \((.*)\)$/', $text, $match)) {
|
|
$email = $match[1];
|
|
$name = $match[2];
|
|
} else if (preg_match('/^(.*?) <(.*)>$/', $text, $match)) {
|
|
$name = $match[1];
|
|
$email = $match[2];
|
|
} else if (preg_match('/.*@.*/', $text)) {
|
|
$email = $text;
|
|
$name = null;
|
|
} else {
|
|
$name = $text;
|
|
$email = null;
|
|
}
|
|
|
|
// Not really enough info
|
|
|
|
$obj = new ActivityObject();
|
|
|
|
$obj->element = $el;
|
|
|
|
$obj->type = ActivityObject::PERSON;
|
|
$obj->title = $name;
|
|
|
|
if (!empty($email)) {
|
|
$obj->id = 'mailto:'.$email;
|
|
}
|
|
|
|
return $obj;
|
|
}
|
|
|
|
public static function fromDcCreator($el)
|
|
{
|
|
// Not really enough info
|
|
|
|
$text = $el->textContent;
|
|
|
|
$obj = new ActivityObject();
|
|
|
|
$obj->element = $el;
|
|
|
|
$obj->title = $text;
|
|
$obj->type = ActivityObject::PERSON;
|
|
|
|
return $obj;
|
|
}
|
|
|
|
public static function fromRssChannel($el)
|
|
{
|
|
$obj = new ActivityObject();
|
|
|
|
$obj->element = $el;
|
|
|
|
$obj->type = ActivityObject::PERSON; // @fixme guess better
|
|
|
|
$obj->title = ActivityUtils::childContent($el, ActivityObject::TITLE, Activity::RSS);
|
|
$obj->link = ActivityUtils::childContent($el, ActivityUtils::LINK, Activity::RSS);
|
|
$obj->id = ActivityUtils::getLink($el, Activity::SELF);
|
|
|
|
if (empty($obj->id)) {
|
|
$obj->id = $obj->link;
|
|
}
|
|
|
|
$desc = ActivityUtils::childContent($el, Activity::DESCRIPTION, Activity::RSS);
|
|
|
|
if (!empty($desc)) {
|
|
$obj->content = htmlspecialchars_decode($desc, ENT_QUOTES);
|
|
}
|
|
|
|
$imageEl = ActivityUtils::child($el, Activity::IMAGE, Activity::RSS);
|
|
|
|
if (!empty($imageEl)) {
|
|
$url = ActivityUtils::childContent($imageEl, Activity::URL, Activity::RSS);
|
|
$al = new AvatarLink();
|
|
$al->url = $url;
|
|
$obj->avatarLinks[] = $al;
|
|
}
|
|
|
|
return $obj;
|
|
}
|
|
|
|
public static function fromPosterousAuthor($el)
|
|
{
|
|
$obj = new ActivityObject();
|
|
|
|
$obj->type = ActivityObject::PERSON; // @fixme any others...?
|
|
|
|
$userImage = ActivityUtils::childContent($el, self::USERIMAGE, self::POSTEROUS);
|
|
|
|
if (!empty($userImage)) {
|
|
$al = new AvatarLink();
|
|
$al->url = $userImage;
|
|
$obj->avatarLinks[] = $al;
|
|
}
|
|
|
|
$obj->link = ActivityUtils::childContent($el, self::PROFILEURL, self::POSTEROUS);
|
|
$obj->id = $obj->link;
|
|
|
|
$obj->poco = new PoCo();
|
|
|
|
$obj->poco->preferredUsername = ActivityUtils::childContent($el, self::NICKNAME, self::POSTEROUS);
|
|
$obj->poco->displayName = ActivityUtils::childContent($el, self::DISPLAYNAME, self::POSTEROUS);
|
|
|
|
$obj->title = $obj->poco->displayName;
|
|
|
|
return $obj;
|
|
}
|
|
|
|
private function _childContent($element, $tag, $namespace=ActivityUtils::ATOM)
|
|
{
|
|
return ActivityUtils::childContent($element, $tag, $namespace);
|
|
}
|
|
|
|
// Try to get a unique id for the source feed
|
|
|
|
private function _getSource($element)
|
|
{
|
|
$sourceEl = ActivityUtils::child($element, 'source');
|
|
|
|
if (empty($sourceEl)) {
|
|
return null;
|
|
} else {
|
|
$href = ActivityUtils::getLink($sourceEl, 'self');
|
|
if (!empty($href)) {
|
|
return $href;
|
|
} else {
|
|
return ActivityUtils::childContent($sourceEl, 'id');
|
|
}
|
|
}
|
|
}
|
|
|
|
static function fromNotice(Notice $notice)
|
|
{
|
|
$object = new ActivityObject();
|
|
|
|
$object->type = ActivityObject::NOTE;
|
|
|
|
$object->id = $notice->uri;
|
|
$object->title = $notice->content;
|
|
$object->content = $notice->rendered;
|
|
$object->link = $notice->bestUrl();
|
|
|
|
return $object;
|
|
}
|
|
|
|
static function fromProfile(Profile $profile)
|
|
{
|
|
$object = new ActivityObject();
|
|
|
|
$object->type = ActivityObject::PERSON;
|
|
$object->id = $profile->getUri();
|
|
$object->title = $profile->getBestName();
|
|
$object->link = $profile->profileurl;
|
|
|
|
$orig = $profile->getOriginalAvatar();
|
|
|
|
if (!empty($orig)) {
|
|
$object->avatarLinks[] = AvatarLink::fromAvatar($orig);
|
|
}
|
|
|
|
$sizes = array(
|
|
AVATAR_PROFILE_SIZE,
|
|
AVATAR_STREAM_SIZE,
|
|
AVATAR_MINI_SIZE
|
|
);
|
|
|
|
foreach ($sizes as $size) {
|
|
|
|
$alink = null;
|
|
$avatar = $profile->getAvatar($size);
|
|
|
|
if (!empty($avatar)) {
|
|
$alink = AvatarLink::fromAvatar($avatar);
|
|
} else {
|
|
$alink = new AvatarLink();
|
|
$alink->type = 'image/png';
|
|
$alink->height = $size;
|
|
$alink->width = $size;
|
|
$alink->url = Avatar::defaultImage($size);
|
|
}
|
|
|
|
$object->avatarLinks[] = $alink;
|
|
}
|
|
|
|
if (isset($profile->lat) && isset($profile->lon)) {
|
|
$object->geopoint = (float)$profile->lat
|
|
. ' ' . (float)$profile->lon;
|
|
}
|
|
|
|
$object->poco = PoCo::fromProfile($profile);
|
|
|
|
return $object;
|
|
}
|
|
|
|
static function fromGroup($group)
|
|
{
|
|
$object = new ActivityObject();
|
|
|
|
$object->type = ActivityObject::GROUP;
|
|
$object->id = $group->getUri();
|
|
$object->title = $group->getBestName();
|
|
$object->link = $group->getUri();
|
|
|
|
$object->avatarLinks[] = AvatarLink::fromFilename(
|
|
$group->homepage_logo,
|
|
AVATAR_PROFILE_SIZE
|
|
);
|
|
|
|
$object->avatarLinks[] = AvatarLink::fromFilename(
|
|
$group->stream_logo,
|
|
AVATAR_STREAM_SIZE
|
|
);
|
|
|
|
$object->avatarLinks[] = AvatarLink::fromFilename(
|
|
$group->mini_logo,
|
|
AVATAR_MINI_SIZE
|
|
);
|
|
|
|
$object->poco = PoCo::fromGroup($group);
|
|
|
|
return $object;
|
|
}
|
|
|
|
function asString($tag='activity:object')
|
|
{
|
|
$xs = new XMLStringer(true);
|
|
|
|
$xs->elementStart($tag);
|
|
|
|
$xs->element('activity:object-type', null, $this->type);
|
|
|
|
$xs->element(self::ID, null, $this->id);
|
|
|
|
if (!empty($this->title)) {
|
|
$xs->element(
|
|
self::TITLE,
|
|
null,
|
|
common_xml_safe_str($this->title)
|
|
);
|
|
}
|
|
|
|
if (!empty($this->summary)) {
|
|
$xs->element(
|
|
self::SUMMARY,
|
|
null,
|
|
common_xml_safe_str($this->summary)
|
|
);
|
|
}
|
|
|
|
if (!empty($this->content)) {
|
|
// XXX: assuming HTML content here
|
|
$xs->element(
|
|
ActivityUtils::CONTENT,
|
|
array('type' => 'html'),
|
|
common_xml_safe_str($this->content)
|
|
);
|
|
}
|
|
|
|
if (!empty($this->link)) {
|
|
$xs->element(
|
|
'link',
|
|
array(
|
|
'rel' => 'alternate',
|
|
'type' => 'text/html',
|
|
'href' => $this->link
|
|
),
|
|
null
|
|
);
|
|
}
|
|
|
|
if ($this->type == ActivityObject::PERSON
|
|
|| $this->type == ActivityObject::GROUP) {
|
|
|
|
foreach ($this->avatarLinks as $avatar) {
|
|
$xs->element(
|
|
'link', array(
|
|
'rel' => 'avatar',
|
|
'type' => $avatar->type,
|
|
'media:width' => $avatar->width,
|
|
'media:height' => $avatar->height,
|
|
'href' => $avatar->url
|
|
),
|
|
null
|
|
);
|
|
}
|
|
}
|
|
|
|
if (!empty($this->geopoint)) {
|
|
$xs->element(
|
|
'georss:point',
|
|
null,
|
|
$this->geopoint
|
|
);
|
|
}
|
|
|
|
if (!empty($this->poco)) {
|
|
$xs->raw($this->poco->asString());
|
|
}
|
|
|
|
$xs->elementEnd($tag);
|
|
|
|
return $xs->getString();
|
|
}
|
|
}
|