. // Tell browser this is XML/RSS header ('Content-Type: application/xml; charset=utf-8'); // Change to the HashOver directory chdir (realpath ('../')); // Do some standard HashOver setup work require ('backend/nocache-headers.php'); require ('backend/standard-setup.php'); // Setup class autoloader setup_autoloader (function ($error) { echo '', PHP_EOL; echo '', $error, ''; }); // Parses comment into RSS item function parse_comments (&$metadata, &$comment, &$rss, &$xml, &$hashover) { // Skip deleted/unmoderated comments if (isset ($comment['notice'])) { return; } // Encode HTML entities $comment['body'] = htmlentities ($comment['body'], ENT_COMPAT, 'UTF-8', true); // Decode HTML entities $comment['body'] = html_entity_decode ($comment['body'], ENT_COMPAT, 'UTF-8'); // Remove [img] tags $comment['body'] = preg_replace ('/\[(img|\/img)\]/iS', '', $comment['body']); // Parse comment as markdown $comment['body'] = $hashover->markdown->parseMarkdown ($comment['body']); // Convert tags to
 tags
	$comment['body'] = preg_replace ('/(<|<\/)code>/iS', '\\1pre>', $comment['body']);

	// Get name from comment or use configured default
	$name = Misc::getArrayItem ($comment, 'name') ?: $hashover->setup->defaultName;

	// Create item element
	$item = $xml->createElement ('item');

	// Start item summary title with user's name
	$title = $name . ' : ';

	// Strip HTML tags from comment and remove all newlines
	$single_comment = str_replace (PHP_EOL, ' ', strip_tags ($comment['body']));

	// Check if comment is more than 40 characters long
	if (mb_strlen ($single_comment) > 40) {
		// If so, add 40 characters of comment to summary title
		$title .= mb_substr ($single_comment, 0, 40) . '...';
	} else {
		// If not, add comment to summary title as-is
		$title .= $single_comment;
	}

	// Create item title element
	$item_title = $xml->createElement ('title');
	$item_title_value = $xml->createTextNode (html_entity_decode ($title, ENT_COMPAT, 'UTF-8'));
	$item_title->appendChild ($item_title_value);

	// Add item title element to item element
	$item->appendChild ($item_title);

	// Create item name element
	$item_name = $xml->createElement ('name');
	$item_name_value = $xml->createTextNode (html_entity_decode ($name, ENT_COMPAT, 'UTF-8'));
	$item_name->appendChild ($item_name_value);

	// Add item name element to item element
	$item->appendChild ($item_name);

	// URL regular expression
	$url_regex = '/((http|https|ftp):\/\/[a-z0-9-@:%_\+.~#?&\/=]+) {0,}/iS';

	// Add HTML anchor tag to URLs (hyperlinks)
	$comment['body'] = preg_replace ($url_regex, '\\1', $comment['body']);

	// Replace newlines with break tags
	$comment['body'] = str_replace (PHP_EOL, '
', $comment['body']); // Create item description element $item_description = $xml->createElement ('description'); $item_description_value = $xml->createTextNode ($comment['body']); $item_description->appendChild ($item_description_value); // Add item description element to item element $item->appendChild ($item_description); // Create item avatar element $item_avatar = $xml->createElement ('avatar'); $item_avatar_value = $xml->createTextNode ($comment['avatar']); $item_avatar->appendChild ($item_avatar_value); // Add item avatar element to item element $item->appendChild ($item_avatar); // Check if likes are enabled if (!empty ($comment['likes'])) { // If so, create item likes element $item_likes = $xml->createElement ('likes'); $item_likes_value = $xml->createTextNode ($comment['likes']); $item_likes->appendChild ($item_likes_value); // Add item likes element to item element $item->appendChild ($item_likes); } // Check if dislikes are enabled if ($hashover->setup->allowsDislikes === true) { // If so, check if comment has any dislikes if (!empty ($comment['dislikes'])) { // If so, create dislikes item element $item_dislikes = $xml->createElement ('dislikes'); $item_dislikes_value = $xml->createTextNode ($comment['dislikes']); $item_dislikes->appendChild ($item_dislikes_value); // Add dislikes item element to item element $item->appendChild ($item_dislikes); } } // Create item publication date element $item_pubDate = $xml->createElement ('pubDate'); $item_pubDate_value = date (DATE_RSS, $comment['timestamp']); $item_pubDate_node = $xml->createTextNode ($item_pubDate_value); $item_pubDate->appendChild ($item_pubDate_node); // Add item pubDate element to item element $item->appendChild ($item_pubDate); // URL to comment for item guide and link elements $item_permalink_url = $metadata['url'] . '#' . $comment['permalink']; // Create item guide element $item_guid = $xml->createElement ('guid'); $item_guid_value = $xml->createTextNode ($item_permalink_url); $item_guid->appendChild ($item_guid_value); // Add item guide element to item element $item->appendChild ($item_guid); // Create item link element $item_link = $xml->createElement ('link'); $item_link_value = $xml->createTextNode ($item_permalink_url); $item_link->appendChild ($item_link_value); // Add item link element to item element $item->appendChild ($item_link); // Add item element to main RSS element $rss->appendChild ($item); // Recursively parse replies if (!empty ($comment['replies'])) { foreach ($comment['replies'] as $reply) { parse_comments ($metadata, $reply, $rss, $xml, $hashover); } } } // Creates RSS feed function create_rss (&$hashover) { // Shorter variable name $thread = $hashover->setup->threadName; // Attempt to read page information metadata $metadata = $hashover->thread->data->readMeta ('page-info', $thread); // Check if metadata read successfully if ($metadata !== false) { // If so, set page URL blank if it's missing from the metadata if (!isset ($metadata['url'])) { $metadata['url'] = ''; } // And set page title to "Untitled" if it's missing from the metadata if (!isset ($metadata['title'])) { $metadata['title'] = $hashover->locale->text['untitled']; } } else { // If not, set default metadata information $metadata = array ( 'url' => '', 'title' => $hashover->locale->text['untitled'] ); } // Create new DOM document. $xml = new \DOMDocument ('1.0', 'UTF-8'); $xml->preserveWhiteSpace = false; $xml->formatOutput = true; // Create main RSS element $rss = $xml->createElement ('rss'); $rss->setAttribute ('version', '2.0'); $rss->setAttribute ('xmlns:dc', 'http://purl.org/dc/elements/1.1/'); $rss->setAttribute ('xmlns:content', 'http://purl.org/rss/1.0/modules/content/'); $rss->setAttribute ('xmlns:atom', 'http://www.w3.org/2005/Atom'); // Create channel element $channel = $xml->createElement ('channel'); // Create channel title element $title = $xml->createElement ('title'); $title_value = $xml->createTextNode (html_entity_decode ($metadata['title'], ENT_COMPAT, 'UTF-8')); $title->appendChild ($title_value); // Add channel title to channel element $channel->appendChild ($title); // Create channel link element $link = $xml->createElement ('link'); $link_value = $xml->createTextNode (html_entity_decode ($metadata['url'], ENT_COMPAT, 'UTF-8')); $link->appendChild ($link_value); // Add channel link to channel element $channel->appendChild ($link); // Check if there is more than one comment if ($hashover->thread->totalCount !== 1) { // If so, use "X Comments" locale string $showing_comments_locale = $hashover->locale->text['showing-comments']; } else { // If not, use "X Comment" locale string $showing_comments_locale = $hashover->locale->text['showing-comment']; } // Create channel description element $description = $xml->createElement ('description'); $count_locale = sprintf ($showing_comments_locale, $hashover->thread->totalCount - 1); $description_value = $xml->createTextNode ($count_locale); $description->appendChild ($description_value); // Add channel description to channel element $channel->appendChild ($description); // Create channel atom link element $atom_link = $xml->createElement ('atom:link'); $atom_url = $hashover->setup->domain . $_SERVER['PHP_SELF'] . '?url=' . urlencode ($metadata['url']); $atom_link->setAttribute ('href', 'http://' . $atom_url); $atom_link->setAttribute ('rel', 'self'); // Add channel atom link to channel element $channel->appendChild ($atom_link); // Create channel language element $language = $xml->createElement ('language'); $language_value = $xml->createTextNode ('en-us'); $language->appendChild ($language_value); // Add channel language to channel element $channel->appendChild ($language); // Create channel ttl element $ttl = $xml->createElement ('ttl'); $ttl_value = $xml->createTextNode ('40'); $ttl->appendChild ($ttl_value); // Add channel ttl to channel element $channel->appendChild ($ttl); // Add channel element to main RSS element $rss->appendChild ($channel); // Add item element to main RSS element foreach ($hashover->comments['primary'] as $comment) { parse_comments ($metadata, $comment, $rss, $xml, $hashover); } // Add main RSS element to XML $xml->appendChild ($rss); // Return RSS XML echo preg_replace_callback ('/^(\s+)/m', function ($spaces) { return str_repeat ("\t", mb_strlen ($spaces[1]) / 2); }, $xml->saveXML ()); // Return statistics echo $hashover->statistics->executionEnd ('php'); } try { // Instantiate HashOver class $hashover = new \HashOver ('rss'); // Throw exception if API is disabled $hashover->setup->apiCheck ('rss'); // Enable remote access $hashover->setup->enablesRemoteAccess (true); // Set page URL from GET data $hashover->setup->setPageURL ('request'); // Initiate comment processing $hashover->initiate (); // Parse primary comments into usable data $hashover->parsePrimary (); // Attempt to get sorting method $method = $hashover->setup->getRequest ('sorting', 'by-date'); // Sort comments by sorting method $hashover->sortPrimary ($method); // Create RSS feed create_rss ($hashover); } catch (\Exception $error) { echo Misc::displayException ($error, 'rss'); }