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Added a bunch of function commment blocks

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This commit is contained in:
Zach Copley 2009-12-11 17:50:10 -08:00
parent c571c1323f
commit 48af79dbb4
4 changed files with 222 additions and 8 deletions
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30
plugins/RSSCloud/LoggingAggregator.php
View File

@ -32,6 +32,19 @@ if (!defined('STATUSNET')) {
exit(1);
}
/**
* Dummy aggregator that acts as a proper notification handler. It
* doesn't do anything but respond correctly when notified via
* REST. Mostly, this is just and action I used to develop the plugin
* and easily test things end-to-end. I'm leaving it in here as it
* may be useful for developing the plugin further.
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
**/
class LoggingAggregatorAction extends Action
{
@ -45,6 +58,7 @@ class LoggingAggregatorAction extends Action
*
* @return boolean false if user doesn't exist
*/
function prepare($args)
{
parent::prepare($args);
@ -58,6 +72,14 @@ class LoggingAggregatorAction extends Action
return true;
}
/**
* Handle the request
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
@ -98,6 +120,14 @@ class LoggingAggregatorAction extends Action
$this->url . ' has been updated.');
}
/**
* Show an XML error when things go badly
*
* @param string $msg the error message
*
* @return void
*/
function showError($msg)
{
header('HTTP/1.1 400 Bad Request');

52
plugins/RSSCloud/RSSCloudNotifier.php
View File

@ -31,10 +31,29 @@ if (!defined('STATUSNET')) {
exit(1);
}
/**
* Class for notifying cloud-enabled RSS aggregators that StatusNet
* feeds have been updated.
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
**/
class RSSCloudNotifier {
const MAX_FAILURES = 3;
/**
* Send an HTTP GET to the notification handler with a
* challenge string to see if it repsonds correctly.
*
* @param String $endpoint URL of the notification handler
* @param String $feed the feed being subscribed to
*
* @return boolean success
*/
function challenge($endpoint, $feed)
{
$code = common_confirmation_code(128);
@ -60,7 +79,7 @@ class RSSCloudNotifier {
// NOTE: the spec says that the body must contain the string
// challenge. It doesn't say that the body must contain the
// challenge string ONLY, although that seems to be the way
// the other implementations have interpreted it.
// the other implementors have interpreted it.
if (strpos($body, $code) !== false) {
common_log(LOG_INFO, 'RSSCloud plugin - ' .
@ -82,6 +101,15 @@ class RSSCloudNotifier {
}
}
/**
* HTTP POST a notification that a feed has been updated
* ('ping the cloud').
*
* @param String $endpoint URL of the notification handler
* @param String $feed the feed being subscribed to
*
* @return boolean success
*/
function postUpdate($endpoint, $feed) {
$headers = array();
@ -111,6 +139,14 @@ class RSSCloudNotifier {
}
}
/**
* Notify all subscribers to a profile feed that it has changed.
*
* @param Profile $profile the profile whose feed has been
* updated
*
* @return boolean success
*/
function notify($profile)
{
$feed = common_path('api/statuses/user_timeline/') .
@ -131,6 +167,18 @@ class RSSCloudNotifier {
return true;
}
/**
* Handle problems posting cloud notifications. Increment the failure
* count, or delete the subscription if the maximum number of failures
* is exceeded.
*
* XXX: Redo with proper DB_DataObject methods once I figure out what
* what the problem is with pluginized DB_DataObjects. -Z
*
* @param RSSCloudSubscription $cloudSub the subscription in question
*
* @return boolean success
*/
function handleFailure($cloudSub)
{
$failCnt = $cloudSub->failures + 1;
@ -172,8 +220,6 @@ class RSSCloudNotifier {
' WHERE subscribed = ' . $cloudSub->subscribed .
' AND url = \'' . $cloudSub->url . '\'';
common_debug($qry);
$result = $cloudSub->query($qry);
if (!$result) {

63
plugins/RSSCloud/RSSCloudPlugin.php
View File

@ -31,15 +31,35 @@ if (!defined('STATUSNET')) {
exit(1);
}
define('RSSCLOUDPLUGIN_VERSION', '0.1');
/**
* Plugin class for adding RSSCloud capabilities to StatusNet
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
**/
class RSSCloudPlugin extends Plugin
{
/**
* Our friend, the constructor
*
* @return void
*/
function __construct()
{
parent::__construct();
}
/**
* Setup the info for the subscription handler. Allow overriding
* to point at another cloud hub (not currently used).
*
* @return void
*/
function onInitializePlugin()
{
$this->domain = common_config('rsscloud', 'domain');
@ -91,6 +111,16 @@ class RSSCloudPlugin extends Plugin
return true;
}
/**
* Automatically load the actions and libraries used by
* the RSSCloud plugin
*
* @param Class $cls the class
*
* @return boolean hook return
*
*/
function onAutoload($cls)
{
switch ($cls)
@ -110,10 +140,17 @@ class RSSCloudPlugin extends Plugin
}
}
/**
* Add a <cloud> element to the RSS feed (after the rss <channel>
* element is started).
*
* @param Action $action
*
* @return void
*/
function onStartApiRss($action)
{
// XXX: Add RSS 1.0 user feeds
if (get_class($action) == 'ApiTimelineUserAction') {
$attrs = array('domain' => $this->domain,
@ -141,6 +178,7 @@ class RSSCloudPlugin extends Plugin
*
* @return boolean hook return
*/
function onStartEnqueueNotice($notice, &$transports)
{
array_push($transports, 'rsscloud');
@ -155,6 +193,7 @@ class RSSCloudPlugin extends Plugin
*
* @return boolean hook return
*/
function onUnqueueHandleNotice(&$notice, $queue)
{
if (($queue == 'rsscloud') && ($this->_isLocal($notice))) {
@ -179,12 +218,20 @@ class RSSCloudPlugin extends Plugin
*
* @return boolean locality
*/
function _isLocal($notice)
{
return ($notice->is_local == Notice::LOCAL_PUBLIC ||
$notice->is_local == Notice::LOCAL_NONPUBLIC);
}
/**
* Create the rsscloud_subscription table if it's not
* already in the DB
*
* @return boolean hook return
*/
function onCheckSchema() {
$schema = Schema::get();
$schema->ensureTable('rsscloud_subscription',
@ -205,6 +252,16 @@ class RSSCloudPlugin extends Plugin
return true;
}
/**
* Add RSSCloudQueueHandler to the list of valid daemons to
* start
*
* @param array $daemons the list of daemons to run
*
* @return boolean hook return
*
*/
function onGetValidDaemons($daemons)
{
array_push($daemons, INSTALLDIR .

85
plugins/RSSCloud/RSSCloudRequestNotify.php
View File

@ -32,6 +32,16 @@ if (!defined('STATUSNET')) {
exit(1);
}
/**
* Action class to handle RSSCloud notification (subscription) requests
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
**/
class RSSCloudRequestNotifyAction extends Action
{
/**
@ -41,6 +51,7 @@ class RSSCloudRequestNotifyAction extends Action
*
* @return boolean false if user doesn't exist
*/
function prepare($args)
{
parent::prepare($args);
@ -62,6 +73,18 @@ class RSSCloudRequestNotifyAction extends Action
return true;
}
/**
* Handle the request
*
* Checks for all the required parameters for a subscription,
* validates that the feed being subscribed to is real, and then
* saves the subsctiption.
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
@ -137,6 +160,15 @@ class RSSCloudRequestNotifyAction extends Action
$this->showResult(true, $msg);
}
/**
* Validate that the requested feed is one we serve
* up via RSSCloud.
*
* @param string $feed the feed in question
*
* @return void
*/
function validateFeed($feed)
{
$user = $this->userFromFeed($feed);
@ -148,6 +180,13 @@ class RSSCloudRequestNotifyAction extends Action
return true;
}
/**
* Pull all of the urls (url1, url2, url3...urlN) that
* the subscriber wants to subscribe to.
*
* @return array $feeds the list of feeds
*/
function getFeeds()
{
$feeds = array();
@ -161,6 +200,15 @@ class RSSCloudRequestNotifyAction extends Action
return $feeds;
}
/**
* Test that a notification handler is there and is reponding
* correctly. This is called before adding a subscription.
*
* @param string $feed the feed to verify
*
* @return boolean success result
*/
function testNotificationHandler($feed)
{
common_debug("RSSCloudPlugin - testNotificationHandler()");
@ -185,6 +233,13 @@ class RSSCloudRequestNotifyAction extends Action
}
}
/**
* Build the URL for the notification handler based on the
* parameters passed in with the subscription request.
*
* @return string notification handler url
*/
function getNotifyUrl()
{
if (isset($this->domain)) {
@ -194,12 +249,20 @@ class RSSCloudRequestNotifyAction extends Action
}
}
/**
* Uses the nickname part of the subscribed feed URL to figure out
* whethere there's really a user with such a feed. Used to
* validate feeds before adding a subscription.
*
* @param string $feed the feed in question
*
* @return boolean success
*/
function userFromFeed($feed)
{
// We only do profile feeds
// XXX: Add cloud element to RSS 1.0 feeds?
$path = common_path('api/statuses/user_timeline/');
$valid = '%^' . $path . '(?<nickname>.*)\.rss$%';
@ -213,6 +276,14 @@ class RSSCloudRequestNotifyAction extends Action
return false;
}
/**
* Save an RSSCloud subscription
*
* @param $feed a valid profile feed
*
* @return boolean success result
*/
function saveSubscription($feed)
{
$user = $this->userFromFeed($feed);
@ -241,6 +312,16 @@ class RSSCloudRequestNotifyAction extends Action
return true;
}
/**
* Show an XML message indicating the subscription
* was successful or failed.
*
* @param boolean $success whether it was good or bad
* @param string $msg the message to output
*
* @return boolean success result
*/
function showResult($success, $msg)
{
$this->startXML();