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try different ways to get a profile from a feed

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This commit is contained in:
Evan Prodromou 2010-02-21 12:56:46 -05:00
parent d372a352ec
commit 1a86bf9c65
1 changed files with 132 additions and 45 deletions
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169
plugins/OStatus/classes/Ostatus_profile.php
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@ -537,18 +537,58 @@ class Ostatus_profile extends Memcached_DataObject
throw new FeedSubNoHubException();
}
// Ok this is going to be a terrible hack!
// Won't be suitable for groups, empty feeds, or getting
// info that's only available on the profile page.
$entries = $discover->feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
if (!$entries || $entries->length == 0) {
throw new FeedSubException('empty feed');
// 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);
}
$first = new Activity($entries->item(0), $discover->feed);
return self::ensureActorProfile($first, $feeduri, $salmonuri);
// 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);
}
// 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);
}
$author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
if (!empty($author)) {
$authorObject = new ActivityObject($author);
return self::ensureActivityObjectProfile($authorObject, $feeduri, $salmonuri);
}
}
// 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 $url
* @throws Exception in various failure cases
@ -581,6 +621,12 @@ class Ostatus_profile extends Memcached_DataObject
}
}
protected static function getActivityObjectAvatar($object)
{
// XXX: go poke around in the feed
return $object->avatar;
}
/**
* Get an appropriate avatar image source URL, if available.
*
@ -588,6 +634,7 @@ class Ostatus_profile extends Memcached_DataObject
* @param DOMElement $feed
* @return string
*/
protected static function getAvatar($actor, $feed)
{
$url = '';
@ -635,11 +682,17 @@ class Ostatus_profile extends Memcached_DataObject
* @param string $salmonuri if we already know the salmon return channel URI
* @return Ostatus_profile
*/
public static function ensureActorProfile($activity, $feeduri=null, $salmonuri=null)
{
$profile = self::getActorProfile($activity);
return self::ensureActivityObjectProfile($activity->actor, $feeduri, $salmonuri);
}
public static function ensureActivityObjectProfile($object, $feeduri=null, $salmonuri=null)
{
$profile = self::getActivityObjectProfile($object);
if (!$profile) {
$profile = self::createActorProfile($activity, $feeduri, $salmonuri);
$profile = self::createActivityObjectProfile($object, $feeduri, $salmonuri);
}
return $profile;
}
@ -650,8 +703,18 @@ class Ostatus_profile extends Memcached_DataObject
*/
protected static function getActorProfile($activity)
{
$homeuri = self::getActorProfileURI($activity);
return self::staticGet('uri', $homeuri);
return self::getActivityObjectProfile($activity->actor);
}
protected static function getActivityObjectProfile($object)
{
$uri = self::getActivityObjectProfileURI($object);
return Ostatus_profile::staticGet('homeuri', $uri);
}
protected static function getActorProfileURI($activity)
{
return self::getActivityObjectProfileURI($activity->actor);
}
/**
@ -659,15 +722,14 @@ class Ostatus_profile extends Memcached_DataObject
* @return string
* @throws ServerException
*/
protected static function getActorProfileURI($activity)
protected static function getActivityObjectProfileURI($object)
{
$opts = array('allowed_schemes' => array('http', 'https'));
$actor = $activity->actor;
if ($actor->id && Validate::uri($actor->id, $opts)) {
return $actor->id;
if ($object->id && Validate::uri($object->id, $opts)) {
return $object->id;
}
if ($actor->link && Validate::uri($actor->link, $opts)) {
return $actor->link;
if ($object->link && Validate::uri($object->link, $opts)) {
return $object->link;
}
throw new ServerException("No author ID URI found");
}
@ -675,12 +737,19 @@ class Ostatus_profile extends Memcached_DataObject
/**
* @fixme validate stuff somewhere
*/
protected static function createActorProfile($activity, $feeduri=null, $salmonuri=null)
{
$actor = $activity->actor;
$homeuri = self::getActorProfileURI($activity);
$nickname = self::getAuthorNick($activity);
$avatar = self::getAvatar($actor, $activity->feed);
self::createActivityObjectProfile($actor, $feeduri, $salmonuri);
}
protected static function createActivityObjectProfile($object, $feeduri=null, $salmonuri=null)
{
$homeuri = self::getActivityObjectProfileURI($object);
$nickname = self::getActivityObjectNickname($object);
$avatar = self::getActivityObjectAvatar($object);
if (!$homeuri) {
common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
@ -703,9 +772,10 @@ class Ostatus_profile extends Memcached_DataObject
$profile = new Profile();
$profile->nickname = $nickname;
$profile->fullname = $actor->displayName;
$profile->homepage = $actor->link; // @fixme
$profile->profileurl = $homeuri;
$profile->fullname = $object->title;
$profile->profileurl = $object->link;
$profile->created = common_sql_now();
// @fixme bio
// @fixme tags/categories
// @fixme location?
@ -713,6 +783,7 @@ class Ostatus_profile extends Memcached_DataObject
// @todo lat/lon/location?
$ok = $profile->insert();
if (!$ok) {
throw new ServerException("Can't save local profile");
}
@ -720,7 +791,9 @@ class Ostatus_profile extends Memcached_DataObject
// @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;
@ -730,6 +803,7 @@ class Ostatus_profile extends Memcached_DataObject
$oprofile->modified = common_sql_now();
$ok = $oprofile->insert();
if ($ok) {
$oprofile->updateAvatar($avatar);
return $oprofile;
@ -738,24 +812,37 @@ class Ostatus_profile extends Memcached_DataObject
}
}
/**
* @fixme move this into Activity?
* @param Activity $activity
* @return string
*/
protected static function getAuthorNick($activity)
protected static function getActivityObjectNickname($object)
{
// @fixme not technically part of the actor?
foreach (array($activity->entry, $activity->feed) as $source) {
$author = ActivityUtils::child($source, 'author', Activity::ATOM);
if ($author) {
$name = ActivityUtils::child($author, 'name', Activity::ATOM);
if ($name) {
return trim($name->textContent);
}
}
}
return false;
// XXX: check whatever PoCo calls a nickname first
$nickname = self::nicknameFromURI($object->id);
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;
}
}
}