Notifier works, and bad subscriptions are deleted properly now.

This commit is contained in:
Zach Copley 2009-12-08 06:26:11 +00:00
parent 61804bb7bb
commit d091d06115
3 changed files with 113 additions and 30 deletions

View File

@ -33,6 +33,8 @@ if (!defined('STATUSNET')) {
class RSSCloudNotifier {
const MAX_FAILURES = 3;
function challenge($endpoint, $feed)
{
$code = common_confirmation_code(128);
@ -55,6 +57,11 @@ class RSSCloudNotifier {
if ($status >= 200 && $status < 300) {
// NOTE: the spec says that the body must contain the string
// challenge. It doesn't say that the body must contain the
// challenge string ONLY, although that seems to be the way
// the other implementations have interpreted it.
if (strpos($body, $code) !== false) {
common_log(LOG_INFO, 'RSSCloud plugin - ' .
"success testing notify handler: $endpoint");
@ -100,10 +107,79 @@ class RSSCloudNotifier {
common_log(LOG_INFO, 'RSSCloud plugin - failure notifying ' .
$endpoint . ' that feed ' . $feed .
' has changed: got HTTP ' . $status);
common_debug('body = ' . var_export($response->getBody(), true));
return false;
}
}
function notify($profile)
{
$feed = common_path('api/statuses/user_timeline/') .
$profile->nickname . '.rss';
$cloudSub = new RSSCloudSubscription();
$cloudSub->subscribed = $profile->id;
if ($cloudSub->find()) {
while ($cloudSub->fetch()) {
$result = $this->postUpdate($cloudSub->url, $feed);
if ($result == false) {
$this->handleFailure($cloudSub);
}
}
}
}
function handleFailure($cloudSub)
{
$failCnt = $cloudSub->failures + 1;
if ($failCnt == self::MAX_FAILURES) {
common_log(LOG_INFO,
'Deleting RSSCloud subcription (max failure count reached), profile: ' .
$cloudSub->subscribed .
' handler: ' .
$cloudSub->url);
// XXX: WTF! ->delete() doesn't work. Clearly, there are some issues with
// the DB_DataObject, or my understanding of it. Have to drop into SQL.
// $result = $cloudSub->delete();
$qry = 'DELETE from rsscloud_subscription' .
' WHERE subscribed = ' . $cloudSub->subscribed .
' AND url = \'' . $cloudSub->url . '\'';
$result = $cloudSub->query($qry);
if (!$result) {
common_log_db_error($cloudSub, 'DELETE', __FILE__);
common_log(LOG_ERR, 'Could not delete RSSCloud subscription.');
}
} else {
common_debug('Updating failure count on RSSCloud subscription. ' . $failCnt);
$failCnt = $cloudSub->failures + 1;
// XXX: ->update() not working either, gar!
$qry = 'UPDATE rsscloud_subscription' .
' SET failures = ' . $failCnt .
' WHERE subscribed = ' . $cloudSub->subscribed .
' AND url = \'' . $cloudSub->url . '\'';
common_debug($qry);
$result = $cloudSub->query($qry);
if (!$result) {
common_log_db_error($cloudsub, 'UPDATE', __FILE__);
common_log(LOG_ERR, 'Could not update failure count on RSSCloud subscription');
}
}
}
}

View File

@ -159,11 +159,16 @@ class RSSCloudPlugin extends Plugin
{
if (($queue == 'rsscloud') && ($this->_isLocal($notice))) {
// broadcast the notice here
common_debug('broadcasting rssCloud bound notice ' . $notice->id);
$profile = $notice->getProfile();
$notifier = new RSSCloudNotifier();
$notifier->notify($profile);
return false;
}
return true;
}

View File

@ -1,5 +1,4 @@
<?php
/**
* Action to let RSSCloud aggregators request update notification when
* user profile feeds change.
@ -49,6 +48,11 @@ class RSSCloudRequestNotifyAction extends Action
$this->ip = $_SERVER['REMOTE_ADDR'];
$this->port = $this->arg('port');
$this->path = $this->arg('path');
if ($this->path[0] != '/') {
$this->path = '/' . $this->path;
}
$this->protocol = $this->arg('protocol');
$this->procedure = $this->arg('notifyProcedure');
$this->domain = $this->arg('domain');
@ -73,14 +77,10 @@ class RSSCloudRequestNotifyAction extends Action
$missing[] = 'port';
}
$path = $this->arg('path');
if (empty($this->path)) {
$missing[] = 'path';
}
$protocol = $this->arg('protocol');
if (empty($this->protocol)) {
$missing[] = 'protocol';
}
@ -127,11 +127,12 @@ class RSSCloudRequestNotifyAction extends Action
$this->saveSubscription($feed);
}
// XXX: What to do about deleting stale subscriptions? 25 hours seems harsh.
// WordPress doesn't ever remove subscriptions.
// XXX: What to do about deleting stale subscriptions?
// 25 hours seems harsh. WordPress doesn't ever remove
// subscriptions.
$msg = 'Thanks for the registration. It worked. When the feed(s) update(s) we\'ll notify you. ' .
' Don\'t forget to re-register after 24 hours, your subscription will expire in 25.';
$msg = 'Thanks for the subscription. ' .
'When the feed(s) update(s) we\'ll notify you.';
$this->showResult(true, $msg);
}
@ -164,36 +165,40 @@ class RSSCloudRequestNotifyAction extends Action
{
common_debug("RSSCloudPlugin - testNotificationHandler()");
$notifyUrl = $this->getNotifyUrl();
$notifier = new RSSCloudNotifier();
if (isset($this->domain)) {
// 'domain' param set, so we have to use GET and send a challenge
$endpoint = 'http://' . $this->domain . ':' . $this->port . '/' . $this->path;
common_log(LOG_INFO, 'Testing notification handler with challenge: ' .
$endpoint);
return $notifier->challenge($endpoint, $feed);
$notifyUrl);
return $notifier->challenge($notifyUrl, $feed);
} else {
$endpoint = 'http://' . $this->ip . ':' . $this->port . '/' . $this->path;
common_log(LOG_INFO, 'Testing notification handler: ' .
$endpoint);
$notifyUrl);
return $notifier->postUpdate($endpoint, $feed);
return $notifier->postUpdate($notifyUrl, $feed);
}
}
function getNotifyUrl()
{
if (isset($this->domain)) {
return 'http://' . $this->domain . ':' . $this->port . $this->path;
} else {
return 'http://' . $this->ip . ':' . $this->port . $this->path;
}
}
function userFromFeed($feed)
{
// We only do profile feeds
// XXX: Add cloud element to RSS 1.0 feeds
// XXX: Add cloud element to RSS 1.0 feeds?
$path = common_path('api/statuses/user_timeline/');
$valid = '%^' . $path . '(?<nickname>.*)\.rss$%';
@ -212,7 +217,9 @@ class RSSCloudRequestNotifyAction extends Action
{
$user = $this->userFromFeed($feed);
$sub = RSSCloudSubscription::getSubscription($user->id, $this->url);
$notifyUrl = $this->getNotifyUrl();
$sub = RSSCloudSubscription::getSubscription($user->id, $notifyUrl);
if ($sub) {
common_debug("Already subscribed to that!");
@ -221,19 +228,14 @@ class RSSCloudRequestNotifyAction extends Action
$sub = new RSSCloudSubscription();
$sub->subscribed = $user->id;
$sub->url = $this->url;
$sub->url = $notifyUrl;
$sub->created = common_sql_now();
// auto timestamp doesn't seem to work for me
// $sub->modified = common_sql_now();
if (!$sub->insert()) {
common_log_db_error($sub, 'INSERT', __FILE__);
return false;
}
DB_DataObject::debugLevel();
}
return true;