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General code quality improvement for easier understanding

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Also made sure we only match local group IDs in recognizedFeed for PushhubAction
This commit is contained in:
Mikael Nordfeldth 2015-02-08 11:47:15 +01:00
parent d4bdfc2aa2
commit 1bda6fb9be
1 changed files with 31 additions and 24 deletions
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55
plugins/OStatus/actions/pushhub.php
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@ -133,54 +133,61 @@ class PushHubAction extends Action
* user or group Atom feeds.
*
* @param string $feed URL
* @return boolean true if it matches
* @return boolean true if it matches, false if not a recognized local feed
* @throws exception if local entity does not exist
*/
function recognizedFeed($feed)
protected function recognizedFeed($feed)
{
$matches = array();
// Simple mapping to local ID for user or group
if (preg_match('!/(\d+)\.atom$!', $feed, $matches)) {
$id = $matches[1];
$params = array('id' => $id, 'format' => 'atom');
$userFeed = common_local_url('ApiTimelineUser', $params);
$groupFeed = common_local_url('ApiTimelineGroup', $params);
if ($feed == $userFeed) {
// Double-check against locally generated URLs
switch ($feed) {
case common_local_url('ApiTimelineUser', $params):
$user = User::getKV('id', $id);
if (!$user) {
if (!$user instanceof User) {
// TRANS: Client exception. %s is a feed URL.
throw new ClientException(sprintt(_m('Invalid hub.topic "%s". User does not exist.'),$feed));
} else {
return true;
throw new ClientException(sprintf(_m('Invalid hub.topic "%s". User does not exist.'),$feed));
}
}
if ($feed == $groupFeed) {
$user = User_group::getKV('id', $id);
if (!$user) {
return true;
case common_local_url('ApiTimelineGroup', $params):
$group = Local_group::getKV('group_id', $id);
if (!$group instanceof Local_group) {
// TRANS: Client exception. %s is a feed URL.
throw new ClientException(sprintf(_m('Invalid hub.topic "%s". Group does not exist.'),$feed));
} else {
return true;
throw new ClientException(sprintf(_m('Invalid hub.topic "%s". Local_group does not exist.'),$feed));
}
return true;
}
} else if (preg_match('!/(\d+)/lists/(\d+)/statuses\.atom$!', $feed, $matches)) {
common_debug("Feed was not recognized by any local User or Group Atom feed URLs: {$feed}");
return false;
}
// Profile lists are unique per user, so we need both IDs
if (preg_match('!/(\d+)/lists/(\d+)/statuses\.atom$!', $feed, $matches)) {
$user = $matches[1];
$id = $matches[2];
$params = array('user' => $user, 'id' => $id, 'format' => 'atom');
$listFeed = common_local_url('ApiTimelineList', $params);
if ($feed == $listFeed) {
// Double-check against locally generated URLs
switch ($feed) {
case common_local_url('ApiTimelineList', $params):
$list = Profile_list::getKV('id', $id);
$user = User::getKV('id', $user);
if (!$list || !$user || $list->tagger != $user->id) {
if (!$list instanceof Profile_list || !$user instanceof User || $list->tagger != $user->id) {
// TRANS: Client exception. %s is a feed URL.
throw new ClientException(sprintf(_m('Invalid hub.topic %s; list does not exist.'),$feed));
} else {
return true;
}
return true;
}
common_log(LOG_DEBUG, "Not a user, group or people tag feed? $feed $userFeed $groupFeed $listFeed");
common_debug("Feed was not recognized by any local Profile_list Atom feed URL: {$feed}");
return false;
}
common_log(LOG_DEBUG, "LOST $feed");
common_debug("Unknown feed URL structure, can't match against local user, group or profile_list: {$feed}");
return false;
}