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OStatus profile setup cleanup 

* drop OStatusPlugin::localProfileFromUrl(), we can just look up on user.uri
* clean up a few edge cases that returned null through Ostatus_profile::ensure* code paths, now throws clear exception when we can't find a feed from the given profile url
* add some doc comments on the ensure* methods
This commit is contained in:
Brion Vibber 2010-03-21 15:18:37 -07:00
parent 0f1f7ab79b
commit 5d3bce49b8
2 changed files with 72 additions and 23 deletions
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19
plugins/OStatus/OStatusPlugin.php
View File

@ -947,23 +947,4 @@ class OStatusPlugin extends Plugin
}
return false;
}
/**
* Utility function to check if the given URL is a canonical user profile
* page, and if so return the ID number.
*
* @param string $url
* @return mixed int or false
*/
public static function localProfileFromUrl($url)
{
$template = common_local_url('userbyid', array('id' => '31337'));
$template = preg_quote($template, '/');
$template = str_replace('31337', '(\d+)', $template);
if (preg_match("/$template/", $url, $matches)) {
return intval($matches[1]);
}
return false;
}
}

76
plugins/OStatus/classes/Ostatus_profile.php
View File

@ -700,9 +700,13 @@ class Ostatus_profile extends Memcached_DataObject
}
/**
* Look up and if necessary create an Ostatus_profile for the remote entity
* with the given profile page URL. This should never return null -- you
* will either get an object or an exception will be thrown.
*
* @param string $profile_url
* @return Ostatus_profile
* @throws FeedSubException
* @throws Exception
*/
public static function ensureProfileURL($profile_url, $hints=array())
@ -723,7 +727,7 @@ class Ostatus_profile extends Memcached_DataObject
$response = $client->get($profile_url);
if (!$response->isOk()) {
return null;
throw new Exception("Could not reach profile page: " . $profile_url);
}
// Check if we have a non-canonical URL
@ -777,11 +781,20 @@ class Ostatus_profile extends Memcached_DataObject
if (!empty($feedurl)) {
$hints['feedurl'] = $feedurl;
return self::ensureFeedURL($feedurl, $hints);
}
throw new Exception("Could not find a feed URL for profile page " . $finalUrl);
}
/**
* Look up the Ostatus_profile, if present, for a remote entity with the
* given profile page URL. Will return null for both unknown and invalid
* remote profiles.
*
* @return mixed Ostatus_profile or null
* @throws Exception for local profiles
*/
static function getFromProfileURL($profile_url)
{
$profile = Profile::staticGet('profileurl', $profile_url);
@ -813,6 +826,14 @@ class Ostatus_profile extends Memcached_DataObject
return null;
}
/**
* Look up and if necessary create an Ostatus_profile for remote entity
* with the given update feed. This should never return null -- you will
* either get an object or an exception will be thrown.
*
* @return Ostatus_profile
* @throws Exception
*/
public static function ensureFeedURL($feed_url, $hints=array())
{
$discover = new FeedDiscovery();
@ -841,6 +862,18 @@ class Ostatus_profile extends Memcached_DataObject
}
}
/**
* Look up and, if necessary, create an Ostatus_profile for the remote
* profile with the given Atom feed - actually loaded from the feed.
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param DOMElement $feedEl root element of a loaded Atom feed
* @param array $hints additional discovery information passed from higher levels
* @fixme should this be marked public?
* @return Ostatus_profile
* @throws Exception
*/
public static function ensureAtomFeed($feedEl, $hints)
{
// Try to get a profile from the feed activity:subject
@ -891,6 +924,18 @@ class Ostatus_profile extends Memcached_DataObject
throw new FeedSubException("Can't find enough profile information to make a feed.");
}
/**
* Look up and, if necessary, create an Ostatus_profile for the remote
* profile with the given RSS feed - actually loaded from the feed.
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param DOMElement $feedEl root element of a loaded RSS feed
* @param array $hints additional discovery information passed from higher levels
* @fixme should this be marked public?
* @return Ostatus_profile
* @throws Exception
*/
public static function ensureRssChannel($feedEl, $hints)
{
// Special-case for Posterous. They have some nice metadata in their
@ -1054,11 +1099,14 @@ class Ostatus_profile extends Memcached_DataObject
/**
* Fetch, or build if necessary, an Ostatus_profile for the actor
* in a given Activity Streams activity.
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param Activity $activity
* @param string $feeduri if we already know the canonical feed URI!
* @param string $salmonuri if we already know the salmon return channel URI
* @return Ostatus_profile
* @throws Exception
*/
public static function ensureActorProfile($activity, $hints=array())
@ -1066,6 +1114,18 @@ class Ostatus_profile extends Memcached_DataObject
return self::ensureActivityObjectProfile($activity->actor, $hints);
}
/**
* Fetch, or build if necessary, an Ostatus_profile for the profile
* in a given Activity Streams object (can be subject, actor, or object).
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param ActivityObject $object
* @param array $hints additional discovery information passed from higher levels
* @return Ostatus_profile
* @throws Exception
*/
public static function ensureActivityObjectProfile($object, $hints=array())
{
$profile = self::getActivityObjectProfile($object);
@ -1121,6 +1181,8 @@ class Ostatus_profile extends Memcached_DataObject
/**
* Create local ostatus_profile and profile/user_group entries for
* the provided remote user or group.
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param ActivityObject $object
* @param array $hints
@ -1137,7 +1199,8 @@ class Ostatus_profile extends Memcached_DataObject
throw new Exception("No profile URI");
}
if (OStatusPlugin::localProfileFromUrl($homeuri)) {
$user = User::staticGet('uri', $homeuri);
if ($user) {
throw new Exception("Local user can't be referenced as remote.");
}
@ -1437,6 +1500,11 @@ class Ostatus_profile extends Memcached_DataObject
}
/**
* Look up, and if necessary create, an Ostatus_profile for the remote
* entity with the given webfinger address.
* This should never return null -- you will either get an object or
* an exception will be thrown.
*
* @param string $addr webfinger address
* @return Ostatus_profile
* @throws Exception on error conditions