SimplePie patch not ready for prime time. Need it to be a drop-in solution. Reverting to MagpieRSS for now.
git-svn-id: https://develop.svn.wordpress.org/trunk@4399 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
parent
b1a83d3e2f
commit
1fd9b76d11
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@ -16,16 +16,17 @@ $today = current_time('mysql', 1);
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<h2><?php _e('Latest Activity'); ?></h2>
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<?php
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$rss = fetch_simplepie('http://feeds.technorati.com/cosmos/rss/?url='. trailingslashit(get_option('home')) .'&partner=wordpress');
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if ( $rss && $rss->get_item_quantity() > 0 ) {
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$rss = @fetch_rss('http://feeds.technorati.com/cosmos/rss/?url='. trailingslashit(get_option('home')) .'&partner=wordpress');
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if ( isset($rss->items) && 0 != count($rss->items) ) {
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?>
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<div id="incominglinks">
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<h3><?php _e('Incoming Links'); ?> <cite><a href="http://www.technorati.com/search/<?php echo trailingslashit(get_option('home')); ?>?partner=wordpress"><?php _e('More »'); ?></a></cite></h3>
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<ul>
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<?php
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foreach ($rss->get_items(0, 10) as $item ) {
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$rss->items = array_slice($rss->items, 0, 10);
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foreach ($rss->items as $item ) {
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?>
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<li><a href="<?php echo wp_filter_kses($item->get_permalink()); ?>"><?php echo wptexturize(wp_specialchars($item->get_title())); ?></a></li>
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<li><a href="<?php echo wp_filter_kses($item['link']); ?>"><?php echo wptexturize(wp_specialchars($item['title'])); ?></a></li>
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<?php } ?>
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</ul>
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</div>
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@ -128,16 +129,17 @@ if (0 < $numcats) $numcats = number_format($numcats);
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</ul>
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<p><?php _e("Need help with WordPress? Please see our <a href='http://codex.wordpress.org/'>documentation</a> or visit the <a href='http://wordpress.org/support/'>support forums</a>."); ?></p>
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<?php
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$rss = fetch_simplepie('http://wordpress.org/development/feed/');
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if ( $rss && $rss->get_item_quantity() > 0 ) {
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$rss = @fetch_rss('http://wordpress.org/development/feed/');
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if ( isset($rss->items) && 0 != count($rss->items) ) {
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?>
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<div id="devnews">
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<h3><?php _e('WordPress Development Blog'); ?></h3>
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<?php
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foreach ($rss->get_items(0, 3) as $item ) {
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$rss->items = array_slice($rss->items, 0, 3);
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foreach ($rss->items as $item ) {
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?>
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<h4><a href='<?php echo wp_filter_kses($item->get_permalink()); ?>'><?php echo wp_specialchars($item->get_title()); ?></a> — <?php printf(__('%s ago'), human_time_diff( $item->get_date('U') ) ); ?></h4>
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<p><?php echo $item->get_description(); ?></p>
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<h4><a href='<?php echo wp_filter_kses($item['link']); ?>'><?php echo wp_specialchars($item['title']); ?></a> — <?php printf(__('%s ago'), human_time_diff(strtotime($item['pubdate'], time() ) ) ); ?></h4>
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<p><?php echo $item['description']; ?></p>
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<?php
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}
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}
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@ -145,19 +147,20 @@ foreach ($rss->get_items(0, 3) as $item ) {
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</div>
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<?php
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$rss = fetch_simplepie('http://planet.wordpress.org/feed/');
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if ( $rss && $rss->get_item_quantity() > 0 ) {
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$rss = @fetch_rss('http://planet.wordpress.org/feed/');
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if ( isset($rss->items) && 0 != count($rss->items) ) {
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?>
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<div id="planetnews">
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<h3><?php _e('Other WordPress News'); ?></h3>
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<ul>
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<?php
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foreach ($rss->get_items(0, 20) as $item ) {
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$title = wp_specialchars($item->get_title());
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$author = preg_replace( '|(.+?):.+|s', '$1', $item->get_title() );
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$post = preg_replace( '|.+?:(.+)|s', '$1', $item->get_title() );
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$rss->items = array_slice($rss->items, 0, 20);
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foreach ($rss->items as $item ) {
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$title = wp_specialchars($item['title']);
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$author = preg_replace( '|(.+?):.+|s', '$1', $item['title'] );
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$post = preg_replace( '|.+?:(.+)|s', '$1', $item['title'] );
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?>
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<li><a href='<?php echo wp_filter_kses($item->get_permalink()); ?>'><span class="post"><?php echo $post; ?></span><span class="hidden"> - </span><cite><?php echo $author; ?></cite></a></li>
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<li><a href='<?php echo wp_filter_kses($item['link']); ?>'><span class="post"><?php echo $post; ?></span><span class="hidden"> - </span><cite><?php echo $author; ?></cite></a></li>
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<?php
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}
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?>
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@ -1,67 +1,856 @@
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<?php
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/*
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* Project: MagpieRSS: a simple RSS integration tool
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* File: A compiled file for RSS syndication
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* Author: Kellan Elliott-McCrea <kellan@protest.net>
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* Version: 0.51
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* License: GPL
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*/
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require_once('class-simplepie.php');
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define('RSS', 'RSS');
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define('ATOM', 'Atom');
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define('MAGPIE_USER_AGENT', 'WordPress/' . $wp_version);
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class WordPress_SimplePie_Cache extends SimplePie_Cache {
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var $name;
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class MagpieRSS {
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var $parser;
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var $current_item = array(); // item currently being parsed
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var $items = array(); // collection of parsed items
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var $channel = array(); // hash of channel fields
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var $textinput = array();
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var $image = array();
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var $feed_type;
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var $feed_version;
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function WordPress_SimplePie_Cache($location, $filename, $extension) {
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$this->name = rawurlencode($filename);
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// parser variables
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var $stack = array(); // parser stack
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var $inchannel = false;
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var $initem = false;
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var $incontent = false; // if in Atom <content mode="xml"> field
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var $intextinput = false;
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var $inimage = false;
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var $current_field = '';
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var $current_namespace = false;
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//var $ERROR = "";
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var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
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function MagpieRSS ($source) {
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# if PHP xml isn't compiled in, die
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#
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if ( !function_exists('xml_parser_create') )
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trigger_error( "Failed to load PHP's XML Extension. http://www.php.net/manual/en/ref.xml.php" );
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$parser = @xml_parser_create();
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if ( !is_resource($parser) )
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trigger_error( "Failed to create an instance of PHP's XML parser. http://www.php.net/manual/en/ref.xml.php");
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$this->parser = $parser;
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# pass in parser, and a reference to this object
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# setup handlers
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#
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xml_set_object( $this->parser, $this );
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xml_set_element_handler($this->parser,
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'feed_start_element', 'feed_end_element' );
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xml_set_character_data_handler( $this->parser, 'feed_cdata' );
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$status = xml_parse( $this->parser, $source );
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if (! $status ) {
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$errorcode = xml_get_error_code( $this->parser );
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if ( $errorcode != XML_ERROR_NONE ) {
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$xml_error = xml_error_string( $errorcode );
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$error_line = xml_get_current_line_number($this->parser);
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$error_col = xml_get_current_column_number($this->parser);
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$errormsg = "$xml_error at line $error_line, column $error_col";
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$this->error( $errormsg );
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}
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}
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function save($data) {
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$cache_option = "rss_$this->name";
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$cache_timestamp = $cache_option . '_ts';
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if ( false !== get_option($cache_option) ) {
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update_option($cache_option, $data);
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xml_parser_free( $this->parser );
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$this->normalize();
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}
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function feed_start_element($p, $element, &$attrs) {
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$el = $element = strtolower($element);
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$attrs = array_change_key_case($attrs, CASE_LOWER);
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// check for a namespace, and split if found
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$ns = false;
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if ( strpos( $element, ':' ) ) {
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list($ns, $el) = split( ':', $element, 2);
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}
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if ( $ns and $ns != 'rdf' ) {
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$this->current_namespace = $ns;
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}
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# if feed type isn't set, then this is first element of feed
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# identify feed from root element
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#
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if (!isset($this->feed_type) ) {
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if ( $el == 'rdf' ) {
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$this->feed_type = RSS;
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$this->feed_version = '1.0';
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}
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elseif ( $el == 'rss' ) {
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$this->feed_type = RSS;
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$this->feed_version = $attrs['version'];
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}
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elseif ( $el == 'feed' ) {
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$this->feed_type = ATOM;
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$this->feed_version = $attrs['version'];
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$this->inchannel = true;
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}
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return;
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}
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if ( $el == 'channel' )
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{
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$this->inchannel = true;
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}
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elseif ($el == 'item' or $el == 'entry' )
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{
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$this->initem = true;
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if ( isset($attrs['rdf:about']) ) {
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$this->current_item['about'] = $attrs['rdf:about'];
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}
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}
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// if we're in the default namespace of an RSS feed,
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// record textinput or image fields
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elseif (
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$this->feed_type == RSS and
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$this->current_namespace == '' and
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$el == 'textinput' )
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{
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$this->intextinput = true;
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}
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elseif (
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$this->feed_type == RSS and
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$this->current_namespace == '' and
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$el == 'image' )
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{
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$this->inimage = true;
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}
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# handle atom content constructs
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elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
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{
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// avoid clashing w/ RSS mod_content
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if ($el == 'content' ) {
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$el = 'atom_content';
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}
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$this->incontent = $el;
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}
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// if inside an Atom content construct (e.g. content or summary) field treat tags as text
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elseif ($this->feed_type == ATOM and $this->incontent )
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{
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// if tags are inlined, then flatten
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$attrs_str = join(' ',
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array_map('map_attrs',
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array_keys($attrs),
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array_values($attrs) ) );
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$this->append_content( "<$element $attrs_str>" );
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array_unshift( $this->stack, $el );
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}
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// Atom support many links per containging element.
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// Magpie treats link elements of type rel='alternate'
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// as being equivalent to RSS's simple link element.
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//
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elseif ($this->feed_type == ATOM and $el == 'link' )
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{
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if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
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{
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$link_el = 'link';
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}
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else {
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$link_el = 'link_' . $attrs['rel'];
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}
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$this->append($link_el, $attrs['href']);
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}
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// set stack[0] to current element
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else {
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array_unshift($this->stack, $el);
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}
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}
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function feed_cdata ($p, $text) {
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if ($this->feed_type == ATOM and $this->incontent)
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{
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$this->append_content( $text );
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}
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else {
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$current_el = join('_', array_reverse($this->stack));
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$this->append($current_el, $text);
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}
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}
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function feed_end_element ($p, $el) {
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$el = strtolower($el);
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if ( $el == 'item' or $el == 'entry' )
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{
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$this->items[] = $this->current_item;
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$this->current_item = array();
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$this->initem = false;
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}
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elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
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{
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$this->intextinput = false;
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}
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elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
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{
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$this->inimage = false;
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}
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elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
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{
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$this->incontent = false;
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}
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elseif ($el == 'channel' or $el == 'feed' )
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{
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$this->inchannel = false;
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}
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elseif ($this->feed_type == ATOM and $this->incontent ) {
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// balance tags properly
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// note: i don't think this is actually neccessary
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if ( $this->stack[0] == $el )
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{
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$this->append_content("</$el>");
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}
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else {
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$this->append_content("<$el />");
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}
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array_shift( $this->stack );
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}
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else {
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array_shift( $this->stack );
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}
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$this->current_namespace = false;
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}
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function concat (&$str1, $str2="") {
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if (!isset($str1) ) {
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$str1="";
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}
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$str1 .= $str2;
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}
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function append_content($text) {
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if ( $this->initem ) {
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$this->concat( $this->current_item[ $this->incontent ], $text );
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}
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elseif ( $this->inchannel ) {
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$this->concat( $this->channel[ $this->incontent ], $text );
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}
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}
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// smart append - field and namespace aware
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function append($el, $text) {
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if (!$el) {
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return;
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}
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if ( $this->current_namespace )
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{
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if ( $this->initem ) {
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$this->concat(
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$this->current_item[ $this->current_namespace ][ $el ], $text);
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}
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elseif ($this->inchannel) {
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$this->concat(
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$this->channel[ $this->current_namespace][ $el ], $text );
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}
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elseif ($this->intextinput) {
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$this->concat(
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$this->textinput[ $this->current_namespace][ $el ], $text );
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}
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elseif ($this->inimage) {
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$this->concat(
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$this->image[ $this->current_namespace ][ $el ], $text );
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}
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}
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else {
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if ( $this->initem ) {
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$this->concat(
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$this->current_item[ $el ], $text);
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}
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elseif ($this->intextinput) {
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$this->concat(
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$this->textinput[ $el ], $text );
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}
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elseif ($this->inimage) {
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$this->concat(
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$this->image[ $el ], $text );
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}
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elseif ($this->inchannel) {
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$this->concat(
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$this->channel[ $el ], $text );
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}
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}
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}
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function normalize () {
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// if atom populate rss fields
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if ( $this->is_atom() ) {
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$this->channel['descripton'] = $this->channel['tagline'];
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for ( $i = 0; $i < count($this->items); $i++) {
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$item = $this->items[$i];
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if ( isset($item['summary']) )
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$item['description'] = $item['summary'];
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if ( isset($item['atom_content']))
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$item['content']['encoded'] = $item['atom_content'];
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$this->items[$i] = $item;
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}
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}
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elseif ( $this->is_rss() ) {
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$this->channel['tagline'] = $this->channel['description'];
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for ( $i = 0; $i < count($this->items); $i++) {
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$item = $this->items[$i];
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if ( isset($item['description']))
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$item['summary'] = $item['description'];
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if ( isset($item['content']['encoded'] ) )
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$item['atom_content'] = $item['content']['encoded'];
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$this->items[$i] = $item;
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}
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}
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}
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function is_rss () {
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if ( $this->feed_type == RSS ) {
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return $this->feed_version;
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}
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else {
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return false;
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}
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}
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function is_atom() {
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if ( $this->feed_type == ATOM ) {
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return $this->feed_version;
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}
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else {
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return false;
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}
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}
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function map_attrs($k, $v) {
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return "$k=\"$v\"";
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}
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function error( $errormsg, $lvl = E_USER_WARNING ) {
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// append PHP's error message if track_errors enabled
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if ( isset($php_errormsg) ) {
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$errormsg .= " ($php_errormsg)";
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}
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if ( MAGPIE_DEBUG ) {
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trigger_error( $errormsg, $lvl);
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} else {
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add_option($cache_option, $data, '', 'no');
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}
|
||||
if ( false !== get_option($cache_timestamp) ) {
|
||||
update_option($cache_timestamp, time());
|
||||
} else {
|
||||
add_option($cache_timestamp, time(), '', 'no');
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
function load() {
|
||||
return get_option("rss_$this->name");
|
||||
}
|
||||
|
||||
function mtime() {
|
||||
return get_option('rss_' . $this->name . '_ts');
|
||||
}
|
||||
|
||||
function touch() {
|
||||
$cache_timestamp = 'rss_' . $this->name . '_ts';
|
||||
if ( false !== get_option($cache_timestamp) ) {
|
||||
update_option($cache_timestamp, time());
|
||||
} else {
|
||||
add_option($cache_timestamp, time(), '', 'no');
|
||||
error_log( $errormsg, 0);
|
||||
}
|
||||
}
|
||||
|
||||
function unlink() {
|
||||
delete_option("rss_$this->name");
|
||||
delete_option('rss_' . $this->name . '_ts');
|
||||
}
|
||||
require_once( dirname(__FILE__) . '/class-snoopy.php');
|
||||
|
||||
function fetch_rss ($url) {
|
||||
// initialize constants
|
||||
init();
|
||||
|
||||
if ( !isset($url) ) {
|
||||
// error("fetch_rss called without a url");
|
||||
return false;
|
||||
}
|
||||
|
||||
// if cache is disabled
|
||||
if ( !MAGPIE_CACHE_ON ) {
|
||||
// fetch file, and parse it
|
||||
$resp = _fetch_remote_file( $url );
|
||||
if ( is_success( $resp->status ) ) {
|
||||
return _response_to_rss( $resp );
|
||||
}
|
||||
else {
|
||||
// error("Failed to fetch $url and cache is off");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
// else cache is ON
|
||||
else {
|
||||
// Flow
|
||||
// 1. check cache
|
||||
// 2. if there is a hit, make sure its fresh
|
||||
// 3. if cached obj fails freshness check, fetch remote
|
||||
// 4. if remote fails, return stale object, or error
|
||||
|
||||
$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
|
||||
|
||||
if (MAGPIE_DEBUG and $cache->ERROR) {
|
||||
debug($cache->ERROR, E_USER_WARNING);
|
||||
}
|
||||
|
||||
|
||||
$cache_status = 0; // response of check_cache
|
||||
$request_headers = array(); // HTTP headers to send with fetch
|
||||
$rss = 0; // parsed RSS object
|
||||
$errormsg = 0; // errors, if any
|
||||
|
||||
if (!$cache->ERROR) {
|
||||
// return cache HIT, MISS, or STALE
|
||||
$cache_status = $cache->check_cache( $url );
|
||||
}
|
||||
|
||||
// if object cached, and cache is fresh, return cached obj
|
||||
if ( $cache_status == 'HIT' ) {
|
||||
$rss = $cache->get( $url );
|
||||
if ( isset($rss) and $rss ) {
|
||||
$rss->from_cache = 1;
|
||||
if ( MAGPIE_DEBUG > 1) {
|
||||
debug("MagpieRSS: Cache HIT", E_USER_NOTICE);
|
||||
}
|
||||
return $rss;
|
||||
}
|
||||
}
|
||||
|
||||
// else attempt a conditional get
|
||||
|
||||
// setup headers
|
||||
if ( $cache_status == 'STALE' ) {
|
||||
$rss = $cache->get( $url );
|
||||
if ( $rss->etag and $rss->last_modified ) {
|
||||
$request_headers['If-None-Match'] = $rss->etag;
|
||||
$request_headers['If-Last-Modified'] = $rss->last_modified;
|
||||
}
|
||||
}
|
||||
|
||||
$resp = _fetch_remote_file( $url, $request_headers );
|
||||
|
||||
if (isset($resp) and $resp) {
|
||||
if ($resp->status == '304' ) {
|
||||
// we have the most current copy
|
||||
if ( MAGPIE_DEBUG > 1) {
|
||||
debug("Got 304 for $url");
|
||||
}
|
||||
// reset cache on 304 (at minutillo insistent prodding)
|
||||
$cache->set($url, $rss);
|
||||
return $rss;
|
||||
}
|
||||
elseif ( is_success( $resp->status ) ) {
|
||||
$rss = _response_to_rss( $resp );
|
||||
if ( $rss ) {
|
||||
if (MAGPIE_DEBUG > 1) {
|
||||
debug("Fetch successful");
|
||||
}
|
||||
// add object to cache
|
||||
$cache->set( $url, $rss );
|
||||
return $rss;
|
||||
}
|
||||
}
|
||||
else {
|
||||
$errormsg = "Failed to fetch $url. ";
|
||||
if ( $resp->error ) {
|
||||
# compensate for Snoopy's annoying habbit to tacking
|
||||
# on '\n'
|
||||
$http_error = substr($resp->error, 0, -2);
|
||||
$errormsg .= "(HTTP Error: $http_error)";
|
||||
}
|
||||
else {
|
||||
$errormsg .= "(HTTP Response: " . $resp->response_code .')';
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
$errormsg = "Unable to retrieve RSS file for unknown reasons.";
|
||||
}
|
||||
|
||||
// else fetch failed
|
||||
|
||||
// attempt to return cached object
|
||||
if ($rss) {
|
||||
if ( MAGPIE_DEBUG ) {
|
||||
debug("Returning STALE object for $url");
|
||||
}
|
||||
return $rss;
|
||||
}
|
||||
|
||||
// else we totally failed
|
||||
// error( $errormsg );
|
||||
|
||||
return false;
|
||||
|
||||
} // end if ( !MAGPIE_CACHE_ON ) {
|
||||
} // end fetch_rss()
|
||||
|
||||
function _fetch_remote_file ($url, $headers = "" ) {
|
||||
// Snoopy is an HTTP client in PHP
|
||||
$client = new Snoopy();
|
||||
$client->agent = MAGPIE_USER_AGENT;
|
||||
$client->read_timeout = MAGPIE_FETCH_TIME_OUT;
|
||||
$client->use_gzip = MAGPIE_USE_GZIP;
|
||||
if (is_array($headers) ) {
|
||||
$client->rawheaders = $headers;
|
||||
}
|
||||
|
||||
@$client->fetch($url);
|
||||
return $client;
|
||||
|
||||
}
|
||||
|
||||
function _response_to_rss ($resp) {
|
||||
$rss = new MagpieRSS( $resp->results );
|
||||
|
||||
// if RSS parsed successfully
|
||||
if ( $rss and !$rss->ERROR) {
|
||||
|
||||
// find Etag, and Last-Modified
|
||||
foreach($resp->headers as $h) {
|
||||
// 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1"
|
||||
if (strpos($h, ": ")) {
|
||||
list($field, $val) = explode(": ", $h, 2);
|
||||
}
|
||||
else {
|
||||
$field = $h;
|
||||
$val = "";
|
||||
}
|
||||
|
||||
if ( $field == 'ETag' ) {
|
||||
$rss->etag = $val;
|
||||
}
|
||||
|
||||
if ( $field == 'Last-Modified' ) {
|
||||
$rss->last_modified = $val;
|
||||
}
|
||||
}
|
||||
|
||||
return $rss;
|
||||
} // else construct error message
|
||||
else {
|
||||
$errormsg = "Failed to parse RSS file.";
|
||||
|
||||
if ($rss) {
|
||||
$errormsg .= " (" . $rss->ERROR . ")";
|
||||
}
|
||||
// error($errormsg);
|
||||
|
||||
return false;
|
||||
} // end if ($rss and !$rss->error)
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: init
|
||||
Purpose: setup constants with default values
|
||||
check for user overrides
|
||||
\*=======================================================================*/
|
||||
function init () {
|
||||
if ( defined('MAGPIE_INITALIZED') ) {
|
||||
return;
|
||||
}
|
||||
else {
|
||||
define('MAGPIE_INITALIZED', 1);
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_CACHE_ON') ) {
|
||||
define('MAGPIE_CACHE_ON', 1);
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_CACHE_DIR') ) {
|
||||
define('MAGPIE_CACHE_DIR', './cache');
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_CACHE_AGE') ) {
|
||||
define('MAGPIE_CACHE_AGE', 60*60); // one hour
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_CACHE_FRESH_ONLY') ) {
|
||||
define('MAGPIE_CACHE_FRESH_ONLY', 0);
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_DEBUG') ) {
|
||||
define('MAGPIE_DEBUG', 0);
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_USER_AGENT') ) {
|
||||
$ua = 'WordPress/' . $wp_version;
|
||||
|
||||
if ( MAGPIE_CACHE_ON ) {
|
||||
$ua = $ua . ')';
|
||||
}
|
||||
else {
|
||||
$ua = $ua . '; No cache)';
|
||||
}
|
||||
|
||||
define('MAGPIE_USER_AGENT', $ua);
|
||||
}
|
||||
|
||||
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
|
||||
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
|
||||
}
|
||||
|
||||
// use gzip encoding to fetch rss files if supported?
|
||||
if ( !defined('MAGPIE_USE_GZIP') ) {
|
||||
define('MAGPIE_USE_GZIP', true);
|
||||
}
|
||||
}
|
||||
|
||||
function fetch_simplepie ($url) {
|
||||
$feed = new SimplePie;
|
||||
$feed->feed_url($url);
|
||||
$feed->set_cache_class('WordPress_SimplePie_Cache');
|
||||
$feed->strip_htmltags(false);
|
||||
$feed->strip_attributes(false);
|
||||
$feed->output_encoding(get_option('blog_charset'));
|
||||
$feed->cache_max_minutes(720);
|
||||
$feed->set_useragent('WordPress/' . $wp_version);
|
||||
if ($feed->init()) {
|
||||
return $feed;
|
||||
function is_info ($sc) {
|
||||
return $sc >= 100 && $sc < 200;
|
||||
}
|
||||
|
||||
function is_success ($sc) {
|
||||
return $sc >= 200 && $sc < 300;
|
||||
}
|
||||
|
||||
function is_redirect ($sc) {
|
||||
return $sc >= 300 && $sc < 400;
|
||||
}
|
||||
|
||||
function is_error ($sc) {
|
||||
return $sc >= 400 && $sc < 600;
|
||||
}
|
||||
|
||||
function is_client_error ($sc) {
|
||||
return $sc >= 400 && $sc < 500;
|
||||
}
|
||||
|
||||
function is_server_error ($sc) {
|
||||
return $sc >= 500 && $sc < 600;
|
||||
}
|
||||
|
||||
class RSSCache {
|
||||
var $BASE_CACHE = 'wp-content/cache'; // where the cache files are stored
|
||||
var $MAX_AGE = 43200; // when are files stale, default twelve hours
|
||||
var $ERROR = ''; // accumulate error messages
|
||||
|
||||
function RSSCache ($base='', $age='') {
|
||||
if ( $base ) {
|
||||
$this->BASE_CACHE = $base;
|
||||
}
|
||||
if ( $age ) {
|
||||
$this->MAX_AGE = $age;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: set
|
||||
Purpose: add an item to the cache, keyed on url
|
||||
Input: url from wich the rss file was fetched
|
||||
Output: true on sucess
|
||||
\*=======================================================================*/
|
||||
function set ($url, $rss) {
|
||||
global $wpdb;
|
||||
$cache_option = 'rss_' . $this->file_name( $url );
|
||||
$cache_timestamp = 'rss_' . $this->file_name( $url ) . '_ts';
|
||||
|
||||
if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$cache_option'") )
|
||||
add_option($cache_option, '', '', 'no');
|
||||
if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$cache_timestamp'") )
|
||||
add_option($cache_timestamp, '', '', 'no');
|
||||
|
||||
update_option($cache_option, $rss);
|
||||
update_option($cache_timestamp, time() );
|
||||
|
||||
return $cache_option;
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: get
|
||||
Purpose: fetch an item from the cache
|
||||
Input: url from wich the rss file was fetched
|
||||
Output: cached object on HIT, false on MISS
|
||||
\*=======================================================================*/
|
||||
function get ($url) {
|
||||
$this->ERROR = "";
|
||||
$cache_option = 'rss_' . $this->file_name( $url );
|
||||
|
||||
if ( ! get_option( $cache_option ) ) {
|
||||
$this->debug(
|
||||
"Cache doesn't contain: $url (cache option: $cache_option)"
|
||||
);
|
||||
return 0;
|
||||
}
|
||||
|
||||
$rss = get_option( $cache_option );
|
||||
|
||||
return $rss;
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: check_cache
|
||||
Purpose: check a url for membership in the cache
|
||||
and whether the object is older then MAX_AGE (ie. STALE)
|
||||
Input: url from wich the rss file was fetched
|
||||
Output: cached object on HIT, false on MISS
|
||||
\*=======================================================================*/
|
||||
function check_cache ( $url ) {
|
||||
$this->ERROR = "";
|
||||
$cache_option = $this->file_name( $url );
|
||||
$cache_timestamp = 'rss_' . $this->file_name( $url ) . '_ts';
|
||||
|
||||
if ( $mtime = get_option($cache_timestamp) ) {
|
||||
// find how long ago the file was added to the cache
|
||||
// and whether that is longer then MAX_AGE
|
||||
$age = time() - $mtime;
|
||||
if ( $this->MAX_AGE > $age ) {
|
||||
// object exists and is current
|
||||
return 'HIT';
|
||||
}
|
||||
else {
|
||||
// object exists but is old
|
||||
return 'STALE';
|
||||
}
|
||||
}
|
||||
else {
|
||||
// object does not exist
|
||||
return 'MISS';
|
||||
}
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: serialize
|
||||
\*=======================================================================*/
|
||||
function serialize ( $rss ) {
|
||||
return serialize( $rss );
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: unserialize
|
||||
\*=======================================================================*/
|
||||
function unserialize ( $data ) {
|
||||
return unserialize( $data );
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: file_name
|
||||
Purpose: map url to location in cache
|
||||
Input: url from wich the rss file was fetched
|
||||
Output: a file name
|
||||
\*=======================================================================*/
|
||||
function file_name ($url) {
|
||||
return md5( $url );
|
||||
}
|
||||
|
||||
/*=======================================================================*\
|
||||
Function: error
|
||||
Purpose: register error
|
||||
\*=======================================================================*/
|
||||
function error ($errormsg, $lvl=E_USER_WARNING) {
|
||||
// append PHP's error message if track_errors enabled
|
||||
if ( isset($php_errormsg) ) {
|
||||
$errormsg .= " ($php_errormsg)";
|
||||
}
|
||||
$this->ERROR = $errormsg;
|
||||
if ( MAGPIE_DEBUG ) {
|
||||
trigger_error( $errormsg, $lvl);
|
||||
}
|
||||
else {
|
||||
error_log( $errormsg, 0);
|
||||
}
|
||||
}
|
||||
function debug ($debugmsg, $lvl=E_USER_NOTICE) {
|
||||
if ( MAGPIE_DEBUG ) {
|
||||
$this->error("MagpieRSS [debug] $debugmsg", $lvl);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function parse_w3cdtf ( $date_str ) {
|
||||
|
||||
# regex to match wc3dtf
|
||||
$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
|
||||
|
||||
if ( preg_match( $pat, $date_str, $match ) ) {
|
||||
list( $year, $month, $day, $hours, $minutes, $seconds) =
|
||||
array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[6]);
|
||||
|
||||
# calc epoch for current date assuming GMT
|
||||
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
|
||||
|
||||
$offset = 0;
|
||||
if ( $match[10] == 'Z' ) {
|
||||
# zulu time, aka GMT
|
||||
}
|
||||
else {
|
||||
list( $tz_mod, $tz_hour, $tz_min ) =
|
||||
array( $match[8], $match[9], $match[10]);
|
||||
|
||||
# zero out the variables
|
||||
if ( ! $tz_hour ) { $tz_hour = 0; }
|
||||
if ( ! $tz_min ) { $tz_min = 0; }
|
||||
|
||||
$offset_secs = (($tz_hour*60)+$tz_min)*60;
|
||||
|
||||
# is timezone ahead of GMT? then subtract offset
|
||||
#
|
||||
if ( $tz_mod == '+' ) {
|
||||
$offset_secs = $offset_secs * -1;
|
||||
}
|
||||
|
||||
$offset = $offset_secs;
|
||||
}
|
||||
$epoch = $epoch + $offset;
|
||||
return $epoch;
|
||||
}
|
||||
else {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
function wp_rss ($url, $num) {
|
||||
//ini_set("display_errors", false); uncomment to suppress php errors thrown if the feed is not returned.
|
||||
$num_items = $num;
|
||||
$rss = fetch_rss($url);
|
||||
if ( $rss ) {
|
||||
echo "<ul>";
|
||||
$rss->items = array_slice($rss->items, 0, $num_items);
|
||||
foreach ($rss->items as $item ) {
|
||||
echo "<li>\n";
|
||||
echo "<a href='$item[link]' title='$item[description]'>";
|
||||
echo htmlentities($item['title']);
|
||||
echo "</a><br />\n";
|
||||
echo "</li>\n";
|
||||
}
|
||||
echo "</ul>";
|
||||
}
|
||||
else {
|
||||
echo "an error has occured the feed is probably down, try again later.";
|
||||
}
|
||||
}
|
||||
|
||||
function get_rss ($uri, $num = 5) { // Like get posts, but for RSS
|
||||
$rss = fetch_rss($url);
|
||||
if ( $rss ) {
|
||||
$rss->items = array_slice($rss->items, 0, $num_items);
|
||||
foreach ($rss->items as $item ) {
|
||||
echo "<li>\n";
|
||||
echo "<a href='$item[link]' title='$item[description]'>";
|
||||
echo htmlentities($item['title']);
|
||||
echo "</a><br />\n";
|
||||
echo "</li>\n";
|
||||
}
|
||||
return $posts;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
?>
|
Loading…
Reference in New Issue