/**
* Validate POST data
*
* Validates POST data for a subscribe or unsubscribe request. This is the
* default action for the event ACTION_HANDLE_SUBSCRIBE.
*
* @author Adrian Lang <*****@*****.**>
*/
function subscription_handle_post(&$params)
{
global $INFO;
global $lang;
// Get and validate parameters.
if (!isset($params['target'])) {
throw new Exception('no subscription target given');
}
$target = $params['target'];
$valid_styles = array('every', 'digest');
if (substr($target, -1, 1) === ':') {
// Allow “list” subscribe style since the target is a namespace.
$valid_styles[] = 'list';
}
$style = valid_input_set('style', $valid_styles, $params, 'invalid subscription style given');
$action = valid_input_set('action', array('subscribe', 'unsubscribe'), $params, 'invalid subscription action given');
// Check other conditions.
if ($action === 'subscribe') {
if ($INFO['userinfo']['mail'] === '') {
throw new Exception($lang['subscr_subscribe_noaddress']);
}
} elseif ($action === 'unsubscribe') {
$is = false;
foreach ($INFO['subscribed'] as $subscr) {
if ($subscr['target'] === $target) {
$is = true;
}
}
if ($is === false) {
throw new Exception(sprintf($lang['subscr_not_subscribed'], $_SERVER['REMOTE_USER'], prettyprint_id($target)));
}
// subscription_set deletes a subscription if style = null.
$style = null;
}
$data = in_array($style, array('list', 'digest')) ? time() : null;
$params = compact('target', 'style', 'data', 'action');
}
/**
* Get URL parameters and config options and return an initialized option array
*
* @author Andreas Gohr <*****@*****.**>
*/
function rss_parseOptions()
{
global $conf;
$opt = array();
foreach (array('feed_mode' => array('mode', 'recent'), 'link_to' => array('linkto', $conf['rss_linkto']), 'item_content' => array('content', $conf['rss_content']), 'namespace' => array('ns', null), 'items' => array('num', $conf['recent']), 'show_minor' => array('minor', false), 'search_query' => array('q', null)) as $name => $val) {
$opt[$name] = isset($_REQUEST[$val[0]]) && !empty($_REQUEST[$val[0]]) ? $_REQUEST[$val[0]] : $val[1];
}
$opt['items'] = max(0, (int) $opt['items']);
$opt['show_minor'] = (bool) $opt['show_minor'];
$opt['guardmail'] = $conf['mailguard'] != '' && $conf['mailguard'] != 'none';
$type = valid_input_set('type', array('rss', 'rss2', 'atom', 'atom1', 'rss1', 'default' => $conf['rss_type']), $_REQUEST);
switch ($type) {
case 'rss':
$opt['feed_type'] = 'RSS0.91';
$opt['mime_type'] = 'text/xml';
break;
case 'rss2':
$opt['feed_type'] = 'RSS2.0';
$opt['mime_type'] = 'text/xml';
break;
case 'atom':
$opt['feed_type'] = 'ATOM0.3';
$opt['mime_type'] = 'application/xml';
break;
case 'atom1':
$opt['feed_type'] = 'ATOM1.0';
$opt['mime_type'] = 'application/atom+xml';
break;
default:
$opt['feed_type'] = 'RSS1.0';
$opt['mime_type'] = 'application/xml';
}
$eventData = array('opt' => &$opt);
trigger_event('FEED_OPTS_POSTPROCESS', $eventData);
return $opt;
}
/**
* Get URL parameters and config options and return an initialized option array
*
* @author Andreas Gohr <*****@*****.**>
*/
function rss_parseOptions()
{
global $conf;
global $INPUT;
$opt = array();
foreach (array('feed_mode' => array('str', 'mode', 'recent'), 'link_to' => array('str', 'linkto', $conf['rss_linkto']), 'item_content' => array('str', 'content', $conf['rss_content']), 'namespace' => array('str', 'ns', null), 'items' => array('int', 'num', $conf['recent']), 'show_minor' => array('bool', 'minor', false), 'sort' => array('str', 'sort', 'natural'), 'search_query' => array('str', 'q', null), 'content_type' => array('str', 'view', $conf['rss_media'])) as $name => $val) {
$opt[$name] = $INPUT->{$val}[0]($val[1], $val[2], true);
}
$opt['items'] = max(0, (int) $opt['items']);
$opt['show_minor'] = (bool) $opt['show_minor'];
$opt['sort'] = valid_input_set('sort', array('default' => 'natural', 'date'), $opt);
$opt['guardmail'] = $conf['mailguard'] != '' && $conf['mailguard'] != 'none';
$type = $INPUT->valid('type', array('rss', 'rss2', 'atom', 'atom1', 'rss1'), $conf['rss_type']);
switch ($type) {
case 'rss':
$opt['feed_type'] = 'RSS0.91';
$opt['mime_type'] = 'text/xml';
break;
case 'rss2':
$opt['feed_type'] = 'RSS2.0';
$opt['mime_type'] = 'text/xml';
break;
case 'atom':
$opt['feed_type'] = 'ATOM0.3';
$opt['mime_type'] = 'application/xml';
break;
case 'atom1':
$opt['feed_type'] = 'ATOM1.0';
$opt['mime_type'] = 'application/atom+xml';
break;
default:
$opt['feed_type'] = 'RSS1.0';
$opt['mime_type'] = 'application/xml';
}
$eventData = array('opt' => &$opt);
trigger_event('FEED_OPTS_POSTPROCESS', $eventData);
return $opt;
}
