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-rw-r--r--lib/activity.php1114
1 files changed, 95 insertions, 1019 deletions
diff --git a/lib/activity.php b/lib/activity.php
index 2cb80f9e1..bd1d5d56c 100644
--- a/lib/activity.php
+++ b/lib/activity.php
@@ -32,971 +32,6 @@ if (!defined('STATUSNET')) {
exit(1);
}
-class PoCoURL
-{
- const URLS = 'urls';
- const TYPE = 'type';
- const VALUE = 'value';
- const PRIMARY = 'primary';
-
- public $type;
- public $value;
- public $primary;
-
- function __construct($type, $value, $primary = false)
- {
- $this->type = $type;
- $this->value = $value;
- $this->primary = $primary;
- }
-
- function asString()
- {
- $xs = new XMLStringer(true);
- $xs->elementStart('poco:urls');
- $xs->element('poco:type', null, $this->type);
- $xs->element('poco:value', null, $this->value);
- if (!empty($this->primary)) {
- $xs->element('poco:primary', null, 'true');
- }
- $xs->elementEnd('poco:urls');
- return $xs->getString();
- }
-}
-
-class PoCoAddress
-{
- const ADDRESS = 'address';
- const FORMATTED = 'formatted';
-
- public $formatted;
-
- // @todo Other address fields
-
- function asString()
- {
- if (!empty($this->formatted)) {
- $xs = new XMLStringer(true);
- $xs->elementStart('poco:address');
- $xs->element('poco:formatted', null, $this->formatted);
- $xs->elementEnd('poco:address');
- return $xs->getString();
- }
-
- return null;
- }
-}
-
-class PoCo
-{
- const NS = 'http://portablecontacts.net/spec/1.0';
-
- const USERNAME = 'preferredUsername';
- const DISPLAYNAME = 'displayName';
- const NOTE = 'note';
-
- public $preferredUsername;
- public $displayName;
- public $note;
- public $address;
- public $urls = array();
-
- function __construct($element = null)
- {
- if (empty($element)) {
- return;
- }
-
- $this->preferredUsername = ActivityUtils::childContent(
- $element,
- self::USERNAME,
- self::NS
- );
-
- $this->displayName = ActivityUtils::childContent(
- $element,
- self::DISPLAYNAME,
- self::NS
- );
-
- $this->note = ActivityUtils::childContent(
- $element,
- self::NOTE,
- self::NS
- );
-
- $this->address = $this->_getAddress($element);
- $this->urls = $this->_getURLs($element);
- }
-
- private function _getURLs($element)
- {
- $urlEls = $element->getElementsByTagnameNS(self::NS, PoCoURL::URLS);
- $urls = array();
-
- foreach ($urlEls as $urlEl) {
-
- $type = ActivityUtils::childContent(
- $urlEl,
- PoCoURL::TYPE,
- PoCo::NS
- );
-
- $value = ActivityUtils::childContent(
- $urlEl,
- PoCoURL::VALUE,
- PoCo::NS
- );
-
- $primary = ActivityUtils::childContent(
- $urlEl,
- PoCoURL::PRIMARY,
- PoCo::NS
- );
-
- $isPrimary = false;
-
- if (isset($primary) && $primary == 'true') {
- $isPrimary = true;
- }
-
- // @todo check to make sure a primary hasn't already been added
-
- array_push($urls, new PoCoURL($type, $value, $isPrimary));
- }
- return $urls;
- }
-
- private function _getAddress($element)
- {
- $addressEl = ActivityUtils::child(
- $element,
- PoCoAddress::ADDRESS,
- PoCo::NS
- );
-
- if (!empty($addressEl)) {
- $formatted = ActivityUtils::childContent(
- $addressEl,
- PoCoAddress::FORMATTED,
- self::NS
- );
-
- if (!empty($formatted)) {
- $address = new PoCoAddress();
- $address->formatted = $formatted;
- return $address;
- }
- }
-
- return null;
- }
-
- function fromProfile($profile)
- {
- if (empty($profile)) {
- return null;
- }
-
- $poco = new PoCo();
-
- $poco->preferredUsername = $profile->nickname;
- $poco->displayName = $profile->getBestName();
-
- $poco->note = $profile->bio;
-
- $paddy = new PoCoAddress();
- $paddy->formatted = $profile->location;
- $poco->address = $paddy;
-
- if (!empty($profile->homepage)) {
- array_push(
- $poco->urls,
- new PoCoURL(
- 'homepage',
- $profile->homepage,
- true
- )
- );
- }
-
- return $poco;
- }
-
- function fromGroup($group)
- {
- if (empty($group)) {
- return null;
- }
-
- $poco = new PoCo();
-
- $poco->preferredUsername = $group->nickname;
- $poco->displayName = $group->getBestName();
-
- $poco->note = $group->description;
-
- $paddy = new PoCoAddress();
- $paddy->formatted = $group->location;
- $poco->address = $paddy;
-
- if (!empty($group->homepage)) {
- array_push(
- $poco->urls,
- new PoCoURL(
- 'homepage',
- $group->homepage,
- true
- )
- );
- }
-
- return $poco;
- }
-
- function getPrimaryURL()
- {
- foreach ($this->urls as $url) {
- if ($url->primary) {
- return $url;
- }
- }
- }
-
- function asString()
- {
- $xs = new XMLStringer(true);
- $xs->element(
- 'poco:preferredUsername',
- null,
- $this->preferredUsername
- );
-
- $xs->element(
- 'poco:displayName',
- null,
- $this->displayName
- );
-
- if (!empty($this->note)) {
- $xs->element('poco:note', null, $this->note);
- }
-
- if (!empty($this->address)) {
- $xs->raw($this->address->asString());
- }
-
- foreach ($this->urls as $url) {
- $xs->raw($url->asString());
- }
-
- return $xs->getString();
- }
-}
-
-/**
- * Utilities for turning DOMish things into Activityish things
- *
- * Some common functions that I didn't have the bandwidth to try to factor
- * into some kind of reasonable superclass, so just dumped here. Might
- * be useful to have an ActivityObject parent class or something.
- *
- * @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 ActivityUtils
-{
- const ATOM = 'http://www.w3.org/2005/Atom';
-
- const LINK = 'link';
- const REL = 'rel';
- const TYPE = 'type';
- const HREF = 'href';
-
- const CONTENT = 'content';
- const SRC = 'src';
-
- /**
- * Get the permalink for an Activity object
- *
- * @param DOMElement $element A DOM element
- *
- * @return string related link, if any
- */
-
- static function getPermalink($element)
- {
- return self::getLink($element, 'alternate', 'text/html');
- }
-
- /**
- * Get the permalink for an Activity object
- *
- * @param DOMElement $element A DOM element
- *
- * @return string related link, if any
- */
-
- static function getLink(DOMNode $element, $rel, $type=null)
- {
- $els = $element->childNodes;
-
- foreach ($els as $link) {
- if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
- $linkRel = $link->getAttribute(self::REL);
- $linkType = $link->getAttribute(self::TYPE);
-
- if ($linkRel == $rel &&
- (is_null($type) || $linkType == $type)) {
- return $link->getAttribute(self::HREF);
- }
- }
- }
-
- return null;
- }
-
- static function getLinks(DOMNode $element, $rel, $type=null)
- {
- $els = $element->childNodes;
- $out = array();
-
- foreach ($els as $link) {
- if ($link->localName == self::LINK && $link->namespaceURI == self::ATOM) {
-
- $linkRel = $link->getAttribute(self::REL);
- $linkType = $link->getAttribute(self::TYPE);
-
- if ($linkRel == $rel &&
- (is_null($type) || $linkType == $type)) {
- $out[] = $link;
- }
- }
- }
-
- return $out;
- }
-
- /**
- * Gets the first child element with the given tag
- *
- * @param DOMElement $element element to pick at
- * @param string $tag tag to look for
- * @param string $namespace Namespace to look under
- *
- * @return DOMElement found element or null
- */
-
- static function child(DOMNode $element, $tag, $namespace=self::ATOM)
- {
- $els = $element->childNodes;
- if (empty($els) || $els->length == 0) {
- return null;
- } else {
- for ($i = 0; $i < $els->length; $i++) {
- $el = $els->item($i);
- if ($el->localName == $tag && $el->namespaceURI == $namespace) {
- return $el;
- }
- }
- }
- }
-
- /**
- * Grab the text content of a DOM element child of the current element
- *
- * @param DOMElement $element Element whose children we examine
- * @param string $tag Tag to look up
- * @param string $namespace Namespace to use, defaults to Atom
- *
- * @return string content of the child
- */
-
- static function childContent(DOMNode $element, $tag, $namespace=self::ATOM)
- {
- $el = self::child($element, $tag, $namespace);
-
- if (empty($el)) {
- return null;
- } else {
- return $el->textContent;
- }
- }
-
- /**
- * Get the content of an atom:entry-like object
- *
- * @param DOMElement $element The element to examine.
- *
- * @return string unencoded HTML content of the element, like "This -&lt; is <b>HTML</b>."
- *
- * @todo handle remote content
- * @todo handle embedded XML mime types
- * @todo handle base64-encoded non-XML and non-text mime types
- */
-
- static function getContent($element)
- {
- $contentEl = ActivityUtils::child($element, self::CONTENT);
-
- if (!empty($contentEl)) {
-
- $src = $contentEl->getAttribute(self::SRC);
-
- if (!empty($src)) {
- throw new ClientException(_("Can't handle remote content yet."));
- }
-
- $type = $contentEl->getAttribute(self::TYPE);
-
- // slavishly following http://atompub.org/rfc4287.html#rfc.section.4.1.3.3
-
- if ($type == 'text') {
- return $contentEl->textContent;
- } else if ($type == 'html') {
- $text = $contentEl->textContent;
- return htmlspecialchars_decode($text, ENT_QUOTES);
- } else if ($type == 'xhtml') {
- $divEl = ActivityUtils::child($contentEl, 'div');
- if (empty($divEl)) {
- return null;
- }
- $doc = $divEl->ownerDocument;
- $text = '';
- $children = $divEl->childNodes;
-
- for ($i = 0; $i < $children->length; $i++) {
- $child = $children->item($i);
- $text .= $doc->saveXML($child);
- }
- return trim($text);
- } else if (in_array(array('text/xml', 'application/xml'), $type) ||
- preg_match('#(+|/)xml$#', $type)) {
- throw new ClientException(_("Can't handle embedded XML content yet."));
- } else if (strncasecmp($type, 'text/', 5)) {
- return $contentEl->textContent;
- } else {
- throw new ClientException(_("Can't handle embedded Base64 content yet."));
- }
- }
- }
-}
-
-// XXX: Arg! This wouldn't be necessary if we used Avatars conistently
-class AvatarLink
-{
- public $url;
- public $type;
- public $size;
- public $width;
- public $height;
-
- function __construct($element=null)
- {
- if ($element) {
- // @fixme use correct namespaces
- $this->url = $element->getAttribute('href');
- $this->type = $element->getAttribute('type');
- $width = $element->getAttribute('media:width');
- if ($width != null) {
- $this->width = intval($width);
- }
- $height = $element->getAttribute('media:height');
- if ($height != null) {
- $this->height = intval($height);
- }
- }
- }
-
- static function fromAvatar($avatar)
- {
- if (empty($avatar)) {
- return null;
- }
- $alink = new AvatarLink();
- $alink->type = $avatar->mediatype;
- $alink->height = $avatar->height;
- $alink->width = $avatar->width;
- $alink->url = $avatar->displayUrl();
- return $alink;
- }
-
- static function fromFilename($filename, $size)
- {
- $alink = new AvatarLink();
- $alink->url = $filename;
- $alink->height = $size;
- if (!empty($filename)) {
- $alink->width = $size;
- $alink->type = self::mediatype($filename);
- } else {
- $alink->url = User_group::defaultLogo($size);
- $alink->type = 'image/png';
- }
- return $alink;
- }
-
- // yuck!
- static function mediatype($filename) {
- $ext = strtolower(end(explode('.', $filename)));
- if ($ext == 'jpeg') {
- $ext = 'jpg';
- }
- // hope we don't support any others
- $types = array('png', 'gif', 'jpg', 'jpeg');
- if (in_array($ext, $types)) {
- return 'image/' . $ext;
- }
- return null;
- }
-}
-
-/**
- * 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';
-
- 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->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;
- }
- }
-
- } else {
-
- $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->title = $this->_childContent($element, self::TITLE);
- $this->summary = $this->_childContent($element, self::SUMMARY);
-
- $this->source = $this->_getSource($element);
-
- $this->content = ActivityUtils::getContent($element);
-
- $this->link = ActivityUtils::getPermalink($element);
-
- }
-
- // Some per-type attributes...
- if ($this->type == self::PERSON || $this->type == self::GROUP) {
- $this->displayName = $this->title;
-
- $avatars = ActivityUtils::getLinks($element, 'avatar');
- foreach ($avatars as $link) {
- $this->avatarLinks[] = new AvatarLink($link);
- }
-
- $this->poco = new PoCo($element);
- }
- }
-
- 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)
- {
- $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)
- {
- $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, $this->title);
- }
-
- if (!empty($this->summary)) {
- $xs->element(self::SUMMARY, null, $this->summary);
- }
-
- if (!empty($this->content)) {
- // XXX: assuming HTML content here
- $xs->element(ActivityUtils::CONTENT, array('type' => 'html'), $this->content);
- }
-
- if (!empty($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();
- }
-}
-
-/**
- * Utility class to hold a bunch of constant defining default verb types
- *
- * @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 ActivityVerb
-{
- const POST = 'http://activitystrea.ms/schema/1.0/post';
- const SHARE = 'http://activitystrea.ms/schema/1.0/share';
- const SAVE = 'http://activitystrea.ms/schema/1.0/save';
- const FAVORITE = 'http://activitystrea.ms/schema/1.0/favorite';
- const PLAY = 'http://activitystrea.ms/schema/1.0/play';
- const FOLLOW = 'http://activitystrea.ms/schema/1.0/follow';
- const FRIEND = 'http://activitystrea.ms/schema/1.0/make-friend';
- const JOIN = 'http://activitystrea.ms/schema/1.0/join';
- const TAG = 'http://activitystrea.ms/schema/1.0/tag';
-
- // Custom OStatus verbs for the flipside until they're standardized
- const DELETE = 'http://ostatus.org/schema/1.0/unfollow';
- const UNFAVORITE = 'http://ostatus.org/schema/1.0/unfavorite';
- const UNFOLLOW = 'http://ostatus.org/schema/1.0/unfollow';
- const LEAVE = 'http://ostatus.org/schema/1.0/leave';
-
- // For simple profile-update pings; no content to share.
- const UPDATE_PROFILE = 'http://ostatus.org/schema/1.0/update-profile';
-}
-
-class ActivityContext
-{
- public $replyToID;
- public $replyToUrl;
- public $location;
- public $attention = array();
- public $conversation;
-
- const THR = 'http://purl.org/syndication/thread/1.0';
- const GEORSS = 'http://www.georss.org/georss';
- const OSTATUS = 'http://ostatus.org/schema/1.0';
-
- const INREPLYTO = 'in-reply-to';
- const REF = 'ref';
- const HREF = 'href';
-
- const POINT = 'point';
-
- const ATTENTION = 'ostatus:attention';
- const CONVERSATION = 'ostatus:conversation';
-
- function __construct($element)
- {
- $replyToEl = ActivityUtils::child($element, self::INREPLYTO, self::THR);
-
- if (!empty($replyToEl)) {
- $this->replyToID = $replyToEl->getAttribute(self::REF);
- $this->replyToUrl = $replyToEl->getAttribute(self::HREF);
- }
-
- $this->location = $this->getLocation($element);
-
- $this->conversation = ActivityUtils::getLink($element, self::CONVERSATION);
-
- // Multiple attention links allowed
-
- $links = $element->getElementsByTagNameNS(ActivityUtils::ATOM, ActivityUtils::LINK);
-
- for ($i = 0; $i < $links->length; $i++) {
-
- $link = $links->item($i);
-
- $linkRel = $link->getAttribute(ActivityUtils::REL);
-
- if ($linkRel == self::ATTENTION) {
- $this->attention[] = $link->getAttribute(self::HREF);
- }
- }
- }
-
- /**
- * Parse location given as a GeoRSS-simple point, if provided.
- * http://www.georss.org/simple
- *
- * @param feed item $entry
- * @return mixed Location or false
- */
- function getLocation($dom)
- {
- $points = $dom->getElementsByTagNameNS(self::GEORSS, self::POINT);
-
- for ($i = 0; $i < $points->length; $i++) {
- $point = $points->item($i)->textContent;
- return self::locationFromPoint($point);
- }
-
- return null;
- }
-
- // XXX: Move to ActivityUtils or Location?
- static function locationFromPoint($point)
- {
- $point = str_replace(',', ' ', $point); // per spec "treat commas as whitespace"
- $point = preg_replace('/\s+/', ' ', $point);
- $point = trim($point);
- $coords = explode(' ', $point);
- if (count($coords) == 2) {
- list($lat, $lon) = $coords;
- if (is_numeric($lat) && is_numeric($lon)) {
- common_log(LOG_INFO, "Looking up location for $lat $lon from georss point");
- return Location::fromLatLon($lat, $lon);
- }
- }
- common_log(LOG_ERR, "Ignoring bogus georss:point value $point");
- return null;
- }
-}
-
/**
* An activity in the ActivityStrea.ms world
*
@@ -1033,6 +68,21 @@ class Activity
const PUBLISHED = 'published';
const UPDATED = 'updated';
+ const RSS = null; // no namespace!
+
+ const PUBDATE = 'pubDate';
+ const DESCRIPTION = 'description';
+ const GUID = 'guid';
+ const SELF = 'self';
+ const IMAGE = 'image';
+ const URL = 'url';
+
+ const DC = 'http://purl.org/dc/elements/1.1/';
+
+ const CREATOR = 'creator';
+
+ const CONTENTNS = 'http://purl.org/rss/1.0/modules/content/';
+
public $actor; // an ActivityObject
public $verb; // a string (the URL)
public $object; // an ActivityObject
@@ -1063,21 +113,29 @@ class Activity
return;
}
- $this->entry = $entry;
-
- // @fixme Don't send in a DOMDocument
+ // Insist on a feed's root DOMElement; don't allow a DOMDocument
if ($feed instanceof DOMDocument) {
- common_log(
- LOG_WARNING,
- 'Activity::__construct() - '
- . 'DOMDocument passed in for feed by mistake. '
- . "Expecting a 'feed' DOMElement."
+ throw new ClientException(
+ _("Expecting a root feed element but got a whole XML document.")
);
- $feed = $feed->getElementsByTagName('feed')->item(0);
}
+ $this->entry = $entry;
$this->feed = $feed;
+ if ($entry->namespaceURI == Activity::ATOM &&
+ $entry->localName == 'entry') {
+ $this->_fromAtomEntry($entry, $feed);
+ } else if ($entry->namespaceURI == Activity::RSS &&
+ $entry->localName == 'item') {
+ $this->_fromRssItem($entry, $feed);
+ } else {
+ throw new Exception("Unknown DOM element: {$entry->namespaceURI} {$entry->localName}");
+ }
+ }
+
+ function _fromAtomEntry($entry, $feed)
+ {
$pubEl = $this->_child($entry, self::PUBLISHED, self::ATOM);
if (!empty($pubEl)) {
@@ -1163,6 +221,69 @@ class Activity
}
}
+ function _fromRssItem($item, $channel)
+ {
+ $verbEl = $this->_child($item, self::VERB);
+
+ if (!empty($verbEl)) {
+ $this->verb = trim($verbEl->textContent);
+ } else {
+ $this->verb = ActivityVerb::POST;
+ // XXX: do other implied stuff here
+ }
+
+ $pubDateEl = $this->_child($item, self::PUBDATE, self::RSS);
+
+ if (!empty($pubDateEl)) {
+ $this->time = strtotime($pubDateEl->textContent);
+ }
+
+ if ($authorEl = $this->_child($item, self::AUTHOR, self::RSS)) {
+ $this->actor = ActivityObject::fromRssAuthor($authorEl);
+ } else if ($dcCreatorEl = $this->_child($item, self::CREATOR, self::DC)) {
+ $this->actor = ActivityObject::fromDcCreator($dcCreatorEl);
+ } else if ($posterousEl = $this->_child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS)) {
+ // Special case for Posterous.com
+ $this->actor = ActivityObject::fromPosterousAuthor($posterousEl);
+ } else if (!empty($channel)) {
+ $this->actor = ActivityObject::fromRssChannel($channel);
+ } else {
+ // No actor!
+ }
+
+ $this->title = ActivityUtils::childContent($item, ActivityObject::TITLE, self::RSS);
+
+ $contentEl = ActivityUtils::child($item, ActivityUtils::CONTENT, self::CONTENTNS);
+
+ if (!empty($contentEl)) {
+ $this->content = htmlspecialchars_decode($contentEl->textContent, ENT_QUOTES);
+ } else {
+ $descriptionEl = ActivityUtils::child($item, self::DESCRIPTION, self::RSS);
+ if (!empty($descriptionEl)) {
+ $this->content = htmlspecialchars_decode($descriptionEl->textContent, ENT_QUOTES);
+ }
+ }
+
+ $this->link = ActivityUtils::childContent($item, ActivityUtils::LINK, self::RSS);
+
+ // @fixme enclosures
+ // @fixme thumbnails... maybe
+
+ $guidEl = ActivityUtils::child($item, self::GUID, self::RSS);
+
+ if (!empty($guidEl)) {
+ $this->id = $guidEl->textContent;
+
+ if ($guidEl->hasAttribute('isPermaLink') && $guidEl->getAttribute('isPermaLink') != 'false') {
+ // overwrites <link>
+ $this->link = $this->id;
+ }
+ }
+
+ $this->object = new ActivityObject($item);
+ $this->context = new ActivityContext($item);
+ }
+
/**
* Returns an Atom <entry> based on this activity
*
@@ -1241,48 +362,3 @@ class Activity
}
}
-class AtomCategory
-{
- public $term;
- public $scheme;
- public $label;
-
- function __construct($element=null)
- {
- if ($element && $element->attributes) {
- $this->term = $this->extract($element, 'term');
- $this->scheme = $this->extract($element, 'scheme');
- $this->label = $this->extract($element, 'label');
- }
- }
-
- protected function extract($element, $attrib)
- {
- $node = $element->attributes->getNamedItemNS(Activity::ATOM, $attrib);
- if ($node) {
- return trim($node->textContent);
- }
- $node = $element->attributes->getNamedItem($attrib);
- if ($node) {
- return trim($node->textContent);
- }
- return null;
- }
-
- function asString()
- {
- $attribs = array();
- if ($this->term !== null) {
- $attribs['term'] = $this->term;
- }
- if ($this->scheme !== null) {
- $attribs['scheme'] = $this->scheme;
- }
- if ($this->label !== null) {
- $attribs['label'] = $this->label;
- }
- $xs = new XMLStringer();
- $xs->element('category', $attribs);
- return $xs->asString();
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 13:08:57 +0000