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home/xbodynamge/www/wp-includes/rss.php 0000604 00000055250 15111534510 0014226 0 ustar 00 <?php
/**
* MagpieRSS: a simple RSS integration tool
*
* A compiled file for RSS syndication
*
* @author Kellan Elliott-McCrea <kellan@protest.net>
* @version 0.51
* @license GPL
*
* @package External
* @subpackage MagpieRSS
* @deprecated 3.0.0 Use SimplePie instead.
*/
/**
* Deprecated. Use SimplePie (class-simplepie.php) instead.
*/
_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
/**
* Fires before MagpieRSS is loaded, to optionally replace it.
*
* @since 2.3.0
* @deprecated 3.0.0
*/
do_action( 'load_feed_engine' );
/** RSS feed constant. */
define('RSS', 'RSS');
define('ATOM', 'Atom');
define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
class MagpieRSS {
var $parser;
var $current_item = array(); // item currently being parsed
var $items = array(); // collection of parsed items
var $channel = array(); // hash of channel fields
var $textinput = array();
var $image = array();
var $feed_type;
var $feed_version;
// parser variables
var $stack = array(); // parser stack
var $inchannel = false;
var $initem = false;
var $incontent = false; // if in Atom <content mode="xml"> field
var $intextinput = false;
var $inimage = false;
var $current_field = '';
var $current_namespace = false;
//var $ERROR = "";
var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
/**
* PHP5 constructor.
*/
function __construct( $source ) {
# Check if PHP xml isn't compiled
#
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = xml_parser_create();
$this->parser = $parser;
# pass in parser, and a reference to this object
# set up handlers
#
xml_set_object( $this->parser, $this );
xml_set_element_handler($this->parser,
'feed_start_element', 'feed_end_element' );
xml_set_character_data_handler( $this->parser, 'feed_cdata' );
$status = xml_parse( $this->parser, $source );
if (! $status ) {
$errorcode = xml_get_error_code( $this->parser );
if ( $errorcode != XML_ERROR_NONE ) {
$xml_error = xml_error_string( $errorcode );
$error_line = xml_get_current_line_number($this->parser);
$error_col = xml_get_current_column_number($this->parser);
$errormsg = "$xml_error at line $error_line, column $error_col";
$this->error( $errormsg );
}
}
xml_parser_free( $this->parser );
$this->normalize();
}
/**
* PHP4 constructor.
*/
public function MagpieRSS( $source ) {
self::__construct( $source );
}
function feed_start_element($p, $element, &$attrs) {
$el = $element = strtolower($element);
$attrs = array_change_key_case($attrs, CASE_LOWER);
// check for a namespace, and split if found
$ns = false;
if ( strpos( $element, ':' ) ) {
list($ns, $el) = explode( ':', $element, 2);
}
if ( $ns and $ns != 'rdf' ) {
$this->current_namespace = $ns;
}
# if feed type isn't set, then this is first element of feed
# identify feed from root element
#
if (!isset($this->feed_type) ) {
if ( $el == 'rdf' ) {
$this->feed_type = RSS;
$this->feed_version = '1.0';
}
elseif ( $el == 'rss' ) {
$this->feed_type = RSS;
$this->feed_version = $attrs['version'];
}
elseif ( $el == 'feed' ) {
$this->feed_type = ATOM;
$this->feed_version = $attrs['version'];
$this->inchannel = true;
}
return;
}
if ( $el == 'channel' )
{
$this->inchannel = true;
}
elseif ($el == 'item' or $el == 'entry' )
{
$this->initem = true;
if ( isset($attrs['rdf:about']) ) {
$this->current_item['about'] = $attrs['rdf:about'];
}
}
// if we're in the default namespace of an RSS feed,
// record textinput or image fields
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'textinput' )
{
$this->intextinput = true;
}
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'image' )
{
$this->inimage = true;
}
# handle atom content constructs
elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
// avoid clashing w/ RSS mod_content
if ($el == 'content' ) {
$el = 'atom_content';
}
$this->incontent = $el;
}
// if inside an Atom content construct (e.g. content or summary) field treat tags as text
elseif ($this->feed_type == ATOM and $this->incontent )
{
// if tags are inlined, then flatten
$attrs_str = join(' ',
array_map(array('MagpieRSS', 'map_attrs'),
array_keys($attrs),
array_values($attrs) ) );
$this->append_content( "<$element $attrs_str>" );
array_unshift( $this->stack, $el );
}
// Atom support many links per containging element.
// Magpie treats link elements of type rel='alternate'
// as being equivalent to RSS's simple link element.
//
elseif ($this->feed_type == ATOM and $el == 'link' )
{
if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
{
$link_el = 'link';
}
else {
$link_el = 'link_' . $attrs['rel'];
}
$this->append($link_el, $attrs['href']);
}
// set stack[0] to current element
else {
array_unshift($this->stack, $el);
}
}
function feed_cdata ($p, $text) {
if ($this->feed_type == ATOM and $this->incontent)
{
$this->append_content( $text );
}
else {
$current_el = join('_', array_reverse($this->stack));
$this->append($current_el, $text);
}
}
function feed_end_element ($p, $el) {
$el = strtolower($el);
if ( $el == 'item' or $el == 'entry' )
{
$this->items[] = $this->current_item;
$this->current_item = array();
$this->initem = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
{
$this->intextinput = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
{
$this->inimage = false;
}
elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
$this->incontent = false;
}
elseif ($el == 'channel' or $el == 'feed' )
{
$this->inchannel = false;
}
elseif ($this->feed_type == ATOM and $this->incontent ) {
// balance tags properly
// note: This may not actually be necessary
if ( $this->stack[0] == $el )
{
$this->append_content("</$el>");
}
else {
$this->append_content("<$el />");
}
array_shift( $this->stack );
}
else {
array_shift( $this->stack );
}
$this->current_namespace = false;
}
function concat (&$str1, $str2="") {
if (!isset($str1) ) {
$str1="";
}
$str1 .= $str2;
}
function append_content($text) {
if ( $this->initem ) {
$this->concat( $this->current_item[ $this->incontent ], $text );
}
elseif ( $this->inchannel ) {
$this->concat( $this->channel[ $this->incontent ], $text );
}
}
// smart append - field and namespace aware
function append($el, $text) {
if (!$el) {
return;
}
if ( $this->current_namespace )
{
if ( $this->initem ) {
$this->concat(
$this->current_item[ $this->current_namespace ][ $el ], $text);
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $this->current_namespace][ $el ], $text );
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $this->current_namespace][ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $this->current_namespace ][ $el ], $text );
}
}
else {
if ( $this->initem ) {
$this->concat(
$this->current_item[ $el ], $text);
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $el ], $text );
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $el ], $text );
}
}
}
function normalize () {
// if atom populate rss fields
if ( $this->is_atom() ) {
$this->channel['descripton'] = $this->channel['tagline'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['summary']) )
$item['description'] = $item['summary'];
if ( isset($item['atom_content']))
$item['content']['encoded'] = $item['atom_content'];
$this->items[$i] = $item;
}
}
elseif ( $this->is_rss() ) {
$this->channel['tagline'] = $this->channel['description'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['description']))
$item['summary'] = $item['description'];
if ( isset($item['content']['encoded'] ) )
$item['atom_content'] = $item['content']['encoded'];
$this->items[$i] = $item;
}
}
}
function is_rss () {
if ( $this->feed_type == RSS ) {
return $this->feed_version;
}
else {
return false;
}
}
function is_atom() {
if ( $this->feed_type == ATOM ) {
return $this->feed_version;
}
else {
return false;
}
}
function map_attrs($k, $v) {
return "$k=\"$v\"";
}
function error( $errormsg, $lvl = E_USER_WARNING ) {
// append PHP's error message if track_errors enabled
if ( isset($php_errormsg) ) {
$errormsg .= " ($php_errormsg)";
}
if ( MAGPIE_DEBUG ) {
trigger_error( $errormsg, $lvl);
} else {
error_log( $errormsg, 0);
}
}
}
if ( !function_exists('fetch_rss') ) :
/**
* Build Magpie object based on RSS from URL.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve feed
* @return bool|MagpieRSS false on failure or MagpieRSS object on success.
*/
function fetch_rss ($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 it's 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
// set up headers
if ( $cache_status == 'STALE' ) {
$rss = $cache->get( $url );
if ( isset($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()
endif;
/**
* Retrieve URL headers and content using WP HTTP Request API.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve
* @param array $headers Optional. Headers to send to the URL.
* @return Snoopy style response
*/
function _fetch_remote_file($url, $headers = "" ) {
$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
if ( is_wp_error($resp) ) {
$error = array_shift($resp->errors);
$resp = new stdClass;
$resp->status = 500;
$resp->response_code = 500;
$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
return $resp;
}
// Snoopy returns headers unprocessed.
// Also note, WP_HTTP lowercases all keys, Snoopy did not.
$return_headers = array();
foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
if ( !is_array($value) ) {
$return_headers[] = "$key: $value";
} else {
foreach ( $value as $v )
$return_headers[] = "$key: $v";
}
}
$response = new stdClass;
$response->status = wp_remote_retrieve_response_code( $resp );
$response->response_code = wp_remote_retrieve_response_code( $resp );
$response->headers = $return_headers;
$response->results = wp_remote_retrieve_body( $resp );
return $response;
}
/**
* Retrieve
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param array $resp
* @return MagpieRSS|bool
*/
function _response_to_rss ($resp) {
$rss = new MagpieRSS( $resp->results );
// if RSS parsed successfully
if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
// find Etag, and Last-Modified
foreach ( (array) $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)
}
/**
* Set up constants with default values, unless user overrides.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*/
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/' . $GLOBALS['wp_version'];
if ( MAGPIE_CACHE_ON ) {
$ua = $ua . ')';
}
else {
$ua = $ua . '; No cache)';
}
define('MAGPIE_USER_AGENT', $ua);
}
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
}
// use gzip encoding to fetch rss files if supported?
if ( !defined('MAGPIE_USE_GZIP') ) {
define('MAGPIE_USE_GZIP', true);
}
}
function is_info ($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; // where the cache files are stored
var $MAX_AGE = 43200; // when are files stale, default twelve hours
var $ERROR = ''; // accumulate error messages
/**
* PHP5 constructor.
*/
function __construct( $base = '', $age = '' ) {
$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
if ( $base ) {
$this->BASE_CACHE = $base;
}
if ( $age ) {
$this->MAX_AGE = $age;
}
}
/**
* PHP4 constructor.
*/
public function RSSCache( $base = '', $age = '' ) {
self::__construct( $base, $age );
}
/*=======================================================================*\
Function: set
Purpose: add an item to the cache, keyed on url
Input: url from which the rss file was fetched
Output: true on success
\*=======================================================================*/
function set ($url, $rss) {
$cache_option = 'rss_' . $this->file_name( $url );
set_transient($cache_option, $rss, $this->MAX_AGE);
return $cache_option;
}
/*=======================================================================*\
Function: get
Purpose: fetch an item from the cache
Input: url from which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function get ($url) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( ! $rss = get_transient( $cache_option ) ) {
$this->debug(
"Cache doesn't contain: $url (cache option: $cache_option)"
);
return 0;
}
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 which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function check_cache ( $url ) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( get_transient($cache_option) ) {
// object exists and is current
return 'HIT';
} else {
// object does not exist
return 'MISS';
}
}
/*=======================================================================*\
Function: serialize
\*=======================================================================*/
function serialize ( $rss ) {
return serialize( $rss );
}
/*=======================================================================*\
Function: unserialize
\*=======================================================================*/
function unserialize ( $data ) {
return unserialize( $data );
}
/*=======================================================================*\
Function: file_name
Purpose: map url to location in cache
Input: url from which the rss file was fetched
Output: a file name
\*=======================================================================*/
function file_name ($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);
}
}
}
if ( !function_exists('parse_w3cdtf') ) :
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[7]);
# calc epoch for current date assuming GMT
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
$offset = 0;
if ( $match[11] == '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;
}
}
endif;
if ( !function_exists('wp_rss') ) :
/**
* Display all RSS items in a HTML ordered list.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
*/
function wp_rss( $url, $num_items = -1 ) {
if ( $rss = fetch_rss( $url ) ) {
echo '<ul>';
if ( $num_items !== -1 ) {
$rss->items = array_slice( $rss->items, 0, $num_items );
}
foreach ( (array) $rss->items as $item ) {
printf(
'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
esc_url( $item['link'] ),
esc_attr( strip_tags( $item['description'] ) ),
esc_html( $item['title'] )
);
}
echo '</ul>';
} else {
_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
}
}
endif;
if ( !function_exists('get_rss') ) :
/**
* Display RSS items in HTML list items.
*
* You have to specify which HTML list you want, either ordered or unordered
* before using the function. You also have to specify how many items you wish
* to display. You can't display all of them like you can with wp_rss()
* function.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
* @return bool False on failure.
*/
function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
$rss = fetch_rss($url);
if ( $rss ) {
$rss->items = array_slice($rss->items, 0, $num_items);
foreach ( (array) $rss->items as $item ) {
echo "<li>\n";
echo "<a href='$item[link]' title='$item[description]'>";
echo esc_html($item['title']);
echo "</a><br />\n";
echo "</li>\n";
}
} else {
return false;
}
}
endif;
home/xbodynamge/dev/wp-includes/rss.php 0000604 00000055250 15112044750 0014163 0 ustar 00 <?php
/**
* MagpieRSS: a simple RSS integration tool
*
* A compiled file for RSS syndication
*
* @author Kellan Elliott-McCrea <kellan@protest.net>
* @version 0.51
* @license GPL
*
* @package External
* @subpackage MagpieRSS
* @deprecated 3.0.0 Use SimplePie instead.
*/
/**
* Deprecated. Use SimplePie (class-simplepie.php) instead.
*/
_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
/**
* Fires before MagpieRSS is loaded, to optionally replace it.
*
* @since 2.3.0
* @deprecated 3.0.0
*/
do_action( 'load_feed_engine' );
/** RSS feed constant. */
define('RSS', 'RSS');
define('ATOM', 'Atom');
define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
class MagpieRSS {
var $parser;
var $current_item = array(); // item currently being parsed
var $items = array(); // collection of parsed items
var $channel = array(); // hash of channel fields
var $textinput = array();
var $image = array();
var $feed_type;
var $feed_version;
// parser variables
var $stack = array(); // parser stack
var $inchannel = false;
var $initem = false;
var $incontent = false; // if in Atom <content mode="xml"> field
var $intextinput = false;
var $inimage = false;
var $current_field = '';
var $current_namespace = false;
//var $ERROR = "";
var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
/**
* PHP5 constructor.
*/
function __construct( $source ) {
# Check if PHP xml isn't compiled
#
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = xml_parser_create();
$this->parser = $parser;
# pass in parser, and a reference to this object
# set up handlers
#
xml_set_object( $this->parser, $this );
xml_set_element_handler($this->parser,
'feed_start_element', 'feed_end_element' );
xml_set_character_data_handler( $this->parser, 'feed_cdata' );
$status = xml_parse( $this->parser, $source );
if (! $status ) {
$errorcode = xml_get_error_code( $this->parser );
if ( $errorcode != XML_ERROR_NONE ) {
$xml_error = xml_error_string( $errorcode );
$error_line = xml_get_current_line_number($this->parser);
$error_col = xml_get_current_column_number($this->parser);
$errormsg = "$xml_error at line $error_line, column $error_col";
$this->error( $errormsg );
}
}
xml_parser_free( $this->parser );
$this->normalize();
}
/**
* PHP4 constructor.
*/
public function MagpieRSS( $source ) {
self::__construct( $source );
}
function feed_start_element($p, $element, &$attrs) {
$el = $element = strtolower($element);
$attrs = array_change_key_case($attrs, CASE_LOWER);
// check for a namespace, and split if found
$ns = false;
if ( strpos( $element, ':' ) ) {
list($ns, $el) = explode( ':', $element, 2);
}
if ( $ns and $ns != 'rdf' ) {
$this->current_namespace = $ns;
}
# if feed type isn't set, then this is first element of feed
# identify feed from root element
#
if (!isset($this->feed_type) ) {
if ( $el == 'rdf' ) {
$this->feed_type = RSS;
$this->feed_version = '1.0';
}
elseif ( $el == 'rss' ) {
$this->feed_type = RSS;
$this->feed_version = $attrs['version'];
}
elseif ( $el == 'feed' ) {
$this->feed_type = ATOM;
$this->feed_version = $attrs['version'];
$this->inchannel = true;
}
return;
}
if ( $el == 'channel' )
{
$this->inchannel = true;
}
elseif ($el == 'item' or $el == 'entry' )
{
$this->initem = true;
if ( isset($attrs['rdf:about']) ) {
$this->current_item['about'] = $attrs['rdf:about'];
}
}
// if we're in the default namespace of an RSS feed,
// record textinput or image fields
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'textinput' )
{
$this->intextinput = true;
}
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'image' )
{
$this->inimage = true;
}
# handle atom content constructs
elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
// avoid clashing w/ RSS mod_content
if ($el == 'content' ) {
$el = 'atom_content';
}
$this->incontent = $el;
}
// if inside an Atom content construct (e.g. content or summary) field treat tags as text
elseif ($this->feed_type == ATOM and $this->incontent )
{
// if tags are inlined, then flatten
$attrs_str = join(' ',
array_map(array('MagpieRSS', 'map_attrs'),
array_keys($attrs),
array_values($attrs) ) );
$this->append_content( "<$element $attrs_str>" );
array_unshift( $this->stack, $el );
}
// Atom support many links per containging element.
// Magpie treats link elements of type rel='alternate'
// as being equivalent to RSS's simple link element.
//
elseif ($this->feed_type == ATOM and $el == 'link' )
{
if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
{
$link_el = 'link';
}
else {
$link_el = 'link_' . $attrs['rel'];
}
$this->append($link_el, $attrs['href']);
}
// set stack[0] to current element
else {
array_unshift($this->stack, $el);
}
}
function feed_cdata ($p, $text) {
if ($this->feed_type == ATOM and $this->incontent)
{
$this->append_content( $text );
}
else {
$current_el = join('_', array_reverse($this->stack));
$this->append($current_el, $text);
}
}
function feed_end_element ($p, $el) {
$el = strtolower($el);
if ( $el == 'item' or $el == 'entry' )
{
$this->items[] = $this->current_item;
$this->current_item = array();
$this->initem = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
{
$this->intextinput = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
{
$this->inimage = false;
}
elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
$this->incontent = false;
}
elseif ($el == 'channel' or $el == 'feed' )
{
$this->inchannel = false;
}
elseif ($this->feed_type == ATOM and $this->incontent ) {
// balance tags properly
// note: This may not actually be necessary
if ( $this->stack[0] == $el )
{
$this->append_content("</$el>");
}
else {
$this->append_content("<$el />");
}
array_shift( $this->stack );
}
else {
array_shift( $this->stack );
}
$this->current_namespace = false;
}
function concat (&$str1, $str2="") {
if (!isset($str1) ) {
$str1="";
}
$str1 .= $str2;
}
function append_content($text) {
if ( $this->initem ) {
$this->concat( $this->current_item[ $this->incontent ], $text );
}
elseif ( $this->inchannel ) {
$this->concat( $this->channel[ $this->incontent ], $text );
}
}
// smart append - field and namespace aware
function append($el, $text) {
if (!$el) {
return;
}
if ( $this->current_namespace )
{
if ( $this->initem ) {
$this->concat(
$this->current_item[ $this->current_namespace ][ $el ], $text);
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $this->current_namespace][ $el ], $text );
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $this->current_namespace][ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $this->current_namespace ][ $el ], $text );
}
}
else {
if ( $this->initem ) {
$this->concat(
$this->current_item[ $el ], $text);
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $el ], $text );
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $el ], $text );
}
}
}
function normalize () {
// if atom populate rss fields
if ( $this->is_atom() ) {
$this->channel['descripton'] = $this->channel['tagline'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['summary']) )
$item['description'] = $item['summary'];
if ( isset($item['atom_content']))
$item['content']['encoded'] = $item['atom_content'];
$this->items[$i] = $item;
}
}
elseif ( $this->is_rss() ) {
$this->channel['tagline'] = $this->channel['description'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['description']))
$item['summary'] = $item['description'];
if ( isset($item['content']['encoded'] ) )
$item['atom_content'] = $item['content']['encoded'];
$this->items[$i] = $item;
}
}
}
function is_rss () {
if ( $this->feed_type == RSS ) {
return $this->feed_version;
}
else {
return false;
}
}
function is_atom() {
if ( $this->feed_type == ATOM ) {
return $this->feed_version;
}
else {
return false;
}
}
function map_attrs($k, $v) {
return "$k=\"$v\"";
}
function error( $errormsg, $lvl = E_USER_WARNING ) {
// append PHP's error message if track_errors enabled
if ( isset($php_errormsg) ) {
$errormsg .= " ($php_errormsg)";
}
if ( MAGPIE_DEBUG ) {
trigger_error( $errormsg, $lvl);
} else {
error_log( $errormsg, 0);
}
}
}
if ( !function_exists('fetch_rss') ) :
/**
* Build Magpie object based on RSS from URL.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve feed
* @return bool|MagpieRSS false on failure or MagpieRSS object on success.
*/
function fetch_rss ($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 it's 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
// set up headers
if ( $cache_status == 'STALE' ) {
$rss = $cache->get( $url );
if ( isset($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()
endif;
/**
* Retrieve URL headers and content using WP HTTP Request API.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve
* @param array $headers Optional. Headers to send to the URL.
* @return Snoopy style response
*/
function _fetch_remote_file($url, $headers = "" ) {
$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
if ( is_wp_error($resp) ) {
$error = array_shift($resp->errors);
$resp = new stdClass;
$resp->status = 500;
$resp->response_code = 500;
$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
return $resp;
}
// Snoopy returns headers unprocessed.
// Also note, WP_HTTP lowercases all keys, Snoopy did not.
$return_headers = array();
foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
if ( !is_array($value) ) {
$return_headers[] = "$key: $value";
} else {
foreach ( $value as $v )
$return_headers[] = "$key: $v";
}
}
$response = new stdClass;
$response->status = wp_remote_retrieve_response_code( $resp );
$response->response_code = wp_remote_retrieve_response_code( $resp );
$response->headers = $return_headers;
$response->results = wp_remote_retrieve_body( $resp );
return $response;
}
/**
* Retrieve
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param array $resp
* @return MagpieRSS|bool
*/
function _response_to_rss ($resp) {
$rss = new MagpieRSS( $resp->results );
// if RSS parsed successfully
if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
// find Etag, and Last-Modified
foreach ( (array) $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)
}
/**
* Set up constants with default values, unless user overrides.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*/
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/' . $GLOBALS['wp_version'];
if ( MAGPIE_CACHE_ON ) {
$ua = $ua . ')';
}
else {
$ua = $ua . '; No cache)';
}
define('MAGPIE_USER_AGENT', $ua);
}
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
}
// use gzip encoding to fetch rss files if supported?
if ( !defined('MAGPIE_USE_GZIP') ) {
define('MAGPIE_USE_GZIP', true);
}
}
function is_info ($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; // where the cache files are stored
var $MAX_AGE = 43200; // when are files stale, default twelve hours
var $ERROR = ''; // accumulate error messages
/**
* PHP5 constructor.
*/
function __construct( $base = '', $age = '' ) {
$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
if ( $base ) {
$this->BASE_CACHE = $base;
}
if ( $age ) {
$this->MAX_AGE = $age;
}
}
/**
* PHP4 constructor.
*/
public function RSSCache( $base = '', $age = '' ) {
self::__construct( $base, $age );
}
/*=======================================================================*\
Function: set
Purpose: add an item to the cache, keyed on url
Input: url from which the rss file was fetched
Output: true on success
\*=======================================================================*/
function set ($url, $rss) {
$cache_option = 'rss_' . $this->file_name( $url );
set_transient($cache_option, $rss, $this->MAX_AGE);
return $cache_option;
}
/*=======================================================================*\
Function: get
Purpose: fetch an item from the cache
Input: url from which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function get ($url) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( ! $rss = get_transient( $cache_option ) ) {
$this->debug(
"Cache doesn't contain: $url (cache option: $cache_option)"
);
return 0;
}
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 which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function check_cache ( $url ) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( get_transient($cache_option) ) {
// object exists and is current
return 'HIT';
} else {
// object does not exist
return 'MISS';
}
}
/*=======================================================================*\
Function: serialize
\*=======================================================================*/
function serialize ( $rss ) {
return serialize( $rss );
}
/*=======================================================================*\
Function: unserialize
\*=======================================================================*/
function unserialize ( $data ) {
return unserialize( $data );
}
/*=======================================================================*\
Function: file_name
Purpose: map url to location in cache
Input: url from which the rss file was fetched
Output: a file name
\*=======================================================================*/
function file_name ($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);
}
}
}
if ( !function_exists('parse_w3cdtf') ) :
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[7]);
# calc epoch for current date assuming GMT
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
$offset = 0;
if ( $match[11] == '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;
}
}
endif;
if ( !function_exists('wp_rss') ) :
/**
* Display all RSS items in a HTML ordered list.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
*/
function wp_rss( $url, $num_items = -1 ) {
if ( $rss = fetch_rss( $url ) ) {
echo '<ul>';
if ( $num_items !== -1 ) {
$rss->items = array_slice( $rss->items, 0, $num_items );
}
foreach ( (array) $rss->items as $item ) {
printf(
'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
esc_url( $item['link'] ),
esc_attr( strip_tags( $item['description'] ) ),
esc_html( $item['title'] )
);
}
echo '</ul>';
} else {
_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
}
}
endif;
if ( !function_exists('get_rss') ) :
/**
* Display RSS items in HTML list items.
*
* You have to specify which HTML list you want, either ordered or unordered
* before using the function. You also have to specify how many items you wish
* to display. You can't display all of them like you can with wp_rss()
* function.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
* @return bool False on failure.
*/
function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
$rss = fetch_rss($url);
if ( $rss ) {
$rss->items = array_slice($rss->items, 0, $num_items);
foreach ( (array) $rss->items as $item ) {
echo "<li>\n";
echo "<a href='$item[link]' title='$item[description]'>";
echo esc_html($item['title']);
echo "</a><br />\n";
echo "</li>\n";
}
} else {
return false;
}
}
endif;
home/xbodynamge/lebauwcentre/wp-includes/rss.php 0000604 00000055250 15112246000 0016055 0 ustar 00 <?php
/**
* MagpieRSS: a simple RSS integration tool
*
* A compiled file for RSS syndication
*
* @author Kellan Elliott-McCrea <kellan@protest.net>
* @version 0.51
* @license GPL
*
* @package External
* @subpackage MagpieRSS
* @deprecated 3.0.0 Use SimplePie instead.
*/
/**
* Deprecated. Use SimplePie (class-simplepie.php) instead.
*/
_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
/**
* Fires before MagpieRSS is loaded, to optionally replace it.
*
* @since 2.3.0
* @deprecated 3.0.0
*/
do_action( 'load_feed_engine' );
/** RSS feed constant. */
define('RSS', 'RSS');
define('ATOM', 'Atom');
define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
class MagpieRSS {
var $parser;
var $current_item = array(); // item currently being parsed
var $items = array(); // collection of parsed items
var $channel = array(); // hash of channel fields
var $textinput = array();
var $image = array();
var $feed_type;
var $feed_version;
// parser variables
var $stack = array(); // parser stack
var $inchannel = false;
var $initem = false;
var $incontent = false; // if in Atom <content mode="xml"> field
var $intextinput = false;
var $inimage = false;
var $current_field = '';
var $current_namespace = false;
//var $ERROR = "";
var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
/**
* PHP5 constructor.
*/
function __construct( $source ) {
# Check if PHP xml isn't compiled
#
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = xml_parser_create();
$this->parser = $parser;
# pass in parser, and a reference to this object
# set up handlers
#
xml_set_object( $this->parser, $this );
xml_set_element_handler($this->parser,
'feed_start_element', 'feed_end_element' );
xml_set_character_data_handler( $this->parser, 'feed_cdata' );
$status = xml_parse( $this->parser, $source );
if (! $status ) {
$errorcode = xml_get_error_code( $this->parser );
if ( $errorcode != XML_ERROR_NONE ) {
$xml_error = xml_error_string( $errorcode );
$error_line = xml_get_current_line_number($this->parser);
$error_col = xml_get_current_column_number($this->parser);
$errormsg = "$xml_error at line $error_line, column $error_col";
$this->error( $errormsg );
}
}
xml_parser_free( $this->parser );
$this->normalize();
}
/**
* PHP4 constructor.
*/
public function MagpieRSS( $source ) {
self::__construct( $source );
}
function feed_start_element($p, $element, &$attrs) {
$el = $element = strtolower($element);
$attrs = array_change_key_case($attrs, CASE_LOWER);
// check for a namespace, and split if found
$ns = false;
if ( strpos( $element, ':' ) ) {
list($ns, $el) = explode( ':', $element, 2);
}
if ( $ns and $ns != 'rdf' ) {
$this->current_namespace = $ns;
}
# if feed type isn't set, then this is first element of feed
# identify feed from root element
#
if (!isset($this->feed_type) ) {
if ( $el == 'rdf' ) {
$this->feed_type = RSS;
$this->feed_version = '1.0';
}
elseif ( $el == 'rss' ) {
$this->feed_type = RSS;
$this->feed_version = $attrs['version'];
}
elseif ( $el == 'feed' ) {
$this->feed_type = ATOM;
$this->feed_version = $attrs['version'];
$this->inchannel = true;
}
return;
}
if ( $el == 'channel' )
{
$this->inchannel = true;
}
elseif ($el == 'item' or $el == 'entry' )
{
$this->initem = true;
if ( isset($attrs['rdf:about']) ) {
$this->current_item['about'] = $attrs['rdf:about'];
}
}
// if we're in the default namespace of an RSS feed,
// record textinput or image fields
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'textinput' )
{
$this->intextinput = true;
}
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'image' )
{
$this->inimage = true;
}
# handle atom content constructs
elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
// avoid clashing w/ RSS mod_content
if ($el == 'content' ) {
$el = 'atom_content';
}
$this->incontent = $el;
}
// if inside an Atom content construct (e.g. content or summary) field treat tags as text
elseif ($this->feed_type == ATOM and $this->incontent )
{
// if tags are inlined, then flatten
$attrs_str = join(' ',
array_map(array('MagpieRSS', 'map_attrs'),
array_keys($attrs),
array_values($attrs) ) );
$this->append_content( "<$element $attrs_str>" );
array_unshift( $this->stack, $el );
}
// Atom support many links per containging element.
// Magpie treats link elements of type rel='alternate'
// as being equivalent to RSS's simple link element.
//
elseif ($this->feed_type == ATOM and $el == 'link' )
{
if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
{
$link_el = 'link';
}
else {
$link_el = 'link_' . $attrs['rel'];
}
$this->append($link_el, $attrs['href']);
}
// set stack[0] to current element
else {
array_unshift($this->stack, $el);
}
}
function feed_cdata ($p, $text) {
if ($this->feed_type == ATOM and $this->incontent)
{
$this->append_content( $text );
}
else {
$current_el = join('_', array_reverse($this->stack));
$this->append($current_el, $text);
}
}
function feed_end_element ($p, $el) {
$el = strtolower($el);
if ( $el == 'item' or $el == 'entry' )
{
$this->items[] = $this->current_item;
$this->current_item = array();
$this->initem = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
{
$this->intextinput = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
{
$this->inimage = false;
}
elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
$this->incontent = false;
}
elseif ($el == 'channel' or $el == 'feed' )
{
$this->inchannel = false;
}
elseif ($this->feed_type == ATOM and $this->incontent ) {
// balance tags properly
// note: This may not actually be necessary
if ( $this->stack[0] == $el )
{
$this->append_content("</$el>");
}
else {
$this->append_content("<$el />");
}
array_shift( $this->stack );
}
else {
array_shift( $this->stack );
}
$this->current_namespace = false;
}
function concat (&$str1, $str2="") {
if (!isset($str1) ) {
$str1="";
}
$str1 .= $str2;
}
function append_content($text) {
if ( $this->initem ) {
$this->concat( $this->current_item[ $this->incontent ], $text );
}
elseif ( $this->inchannel ) {
$this->concat( $this->channel[ $this->incontent ], $text );
}
}
// smart append - field and namespace aware
function append($el, $text) {
if (!$el) {
return;
}
if ( $this->current_namespace )
{
if ( $this->initem ) {
$this->concat(
$this->current_item[ $this->current_namespace ][ $el ], $text);
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $this->current_namespace][ $el ], $text );
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $this->current_namespace][ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $this->current_namespace ][ $el ], $text );
}
}
else {
if ( $this->initem ) {
$this->concat(
$this->current_item[ $el ], $text);
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $el ], $text );
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $el ], $text );
}
}
}
function normalize () {
// if atom populate rss fields
if ( $this->is_atom() ) {
$this->channel['descripton'] = $this->channel['tagline'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['summary']) )
$item['description'] = $item['summary'];
if ( isset($item['atom_content']))
$item['content']['encoded'] = $item['atom_content'];
$this->items[$i] = $item;
}
}
elseif ( $this->is_rss() ) {
$this->channel['tagline'] = $this->channel['description'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['description']))
$item['summary'] = $item['description'];
if ( isset($item['content']['encoded'] ) )
$item['atom_content'] = $item['content']['encoded'];
$this->items[$i] = $item;
}
}
}
function is_rss () {
if ( $this->feed_type == RSS ) {
return $this->feed_version;
}
else {
return false;
}
}
function is_atom() {
if ( $this->feed_type == ATOM ) {
return $this->feed_version;
}
else {
return false;
}
}
function map_attrs($k, $v) {
return "$k=\"$v\"";
}
function error( $errormsg, $lvl = E_USER_WARNING ) {
// append PHP's error message if track_errors enabled
if ( isset($php_errormsg) ) {
$errormsg .= " ($php_errormsg)";
}
if ( MAGPIE_DEBUG ) {
trigger_error( $errormsg, $lvl);
} else {
error_log( $errormsg, 0);
}
}
}
if ( !function_exists('fetch_rss') ) :
/**
* Build Magpie object based on RSS from URL.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve feed
* @return bool|MagpieRSS false on failure or MagpieRSS object on success.
*/
function fetch_rss ($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 it's 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
// set up headers
if ( $cache_status == 'STALE' ) {
$rss = $cache->get( $url );
if ( isset($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()
endif;
/**
* Retrieve URL headers and content using WP HTTP Request API.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve
* @param array $headers Optional. Headers to send to the URL.
* @return Snoopy style response
*/
function _fetch_remote_file($url, $headers = "" ) {
$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
if ( is_wp_error($resp) ) {
$error = array_shift($resp->errors);
$resp = new stdClass;
$resp->status = 500;
$resp->response_code = 500;
$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
return $resp;
}
// Snoopy returns headers unprocessed.
// Also note, WP_HTTP lowercases all keys, Snoopy did not.
$return_headers = array();
foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
if ( !is_array($value) ) {
$return_headers[] = "$key: $value";
} else {
foreach ( $value as $v )
$return_headers[] = "$key: $v";
}
}
$response = new stdClass;
$response->status = wp_remote_retrieve_response_code( $resp );
$response->response_code = wp_remote_retrieve_response_code( $resp );
$response->headers = $return_headers;
$response->results = wp_remote_retrieve_body( $resp );
return $response;
}
/**
* Retrieve
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param array $resp
* @return MagpieRSS|bool
*/
function _response_to_rss ($resp) {
$rss = new MagpieRSS( $resp->results );
// if RSS parsed successfully
if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
// find Etag, and Last-Modified
foreach ( (array) $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)
}
/**
* Set up constants with default values, unless user overrides.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*/
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/' . $GLOBALS['wp_version'];
if ( MAGPIE_CACHE_ON ) {
$ua = $ua . ')';
}
else {
$ua = $ua . '; No cache)';
}
define('MAGPIE_USER_AGENT', $ua);
}
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
}
// use gzip encoding to fetch rss files if supported?
if ( !defined('MAGPIE_USE_GZIP') ) {
define('MAGPIE_USE_GZIP', true);
}
}
function is_info ($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; // where the cache files are stored
var $MAX_AGE = 43200; // when are files stale, default twelve hours
var $ERROR = ''; // accumulate error messages
/**
* PHP5 constructor.
*/
function __construct( $base = '', $age = '' ) {
$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
if ( $base ) {
$this->BASE_CACHE = $base;
}
if ( $age ) {
$this->MAX_AGE = $age;
}
}
/**
* PHP4 constructor.
*/
public function RSSCache( $base = '', $age = '' ) {
self::__construct( $base, $age );
}
/*=======================================================================*\
Function: set
Purpose: add an item to the cache, keyed on url
Input: url from which the rss file was fetched
Output: true on success
\*=======================================================================*/
function set ($url, $rss) {
$cache_option = 'rss_' . $this->file_name( $url );
set_transient($cache_option, $rss, $this->MAX_AGE);
return $cache_option;
}
/*=======================================================================*\
Function: get
Purpose: fetch an item from the cache
Input: url from which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function get ($url) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( ! $rss = get_transient( $cache_option ) ) {
$this->debug(
"Cache doesn't contain: $url (cache option: $cache_option)"
);
return 0;
}
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 which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function check_cache ( $url ) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( get_transient($cache_option) ) {
// object exists and is current
return 'HIT';
} else {
// object does not exist
return 'MISS';
}
}
/*=======================================================================*\
Function: serialize
\*=======================================================================*/
function serialize ( $rss ) {
return serialize( $rss );
}
/*=======================================================================*\
Function: unserialize
\*=======================================================================*/
function unserialize ( $data ) {
return unserialize( $data );
}
/*=======================================================================*\
Function: file_name
Purpose: map url to location in cache
Input: url from which the rss file was fetched
Output: a file name
\*=======================================================================*/
function file_name ($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);
}
}
}
if ( !function_exists('parse_w3cdtf') ) :
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[7]);
# calc epoch for current date assuming GMT
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
$offset = 0;
if ( $match[11] == '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;
}
}
endif;
if ( !function_exists('wp_rss') ) :
/**
* Display all RSS items in a HTML ordered list.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
*/
function wp_rss( $url, $num_items = -1 ) {
if ( $rss = fetch_rss( $url ) ) {
echo '<ul>';
if ( $num_items !== -1 ) {
$rss->items = array_slice( $rss->items, 0, $num_items );
}
foreach ( (array) $rss->items as $item ) {
printf(
'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
esc_url( $item['link'] ),
esc_attr( strip_tags( $item['description'] ) ),
esc_html( $item['title'] )
);
}
echo '</ul>';
} else {
_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
}
}
endif;
if ( !function_exists('get_rss') ) :
/**
* Display RSS items in HTML list items.
*
* You have to specify which HTML list you want, either ordered or unordered
* before using the function. You also have to specify how many items you wish
* to display. You can't display all of them like you can with wp_rss()
* function.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
* @return bool False on failure.
*/
function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
$rss = fetch_rss($url);
if ( $rss ) {
$rss->items = array_slice($rss->items, 0, $num_items);
foreach ( (array) $rss->items as $item ) {
echo "<li>\n";
echo "<a href='$item[link]' title='$item[description]'>";
echo esc_html($item['title']);
echo "</a><br />\n";
echo "</li>\n";
}
} else {
return false;
}
}
endif;
home/xbodynamge/namtation/wp-includes/rss.php 0000604 00000055250 15112504066 0015400 0 ustar 00 <?php
/**
* MagpieRSS: a simple RSS integration tool
*
* A compiled file for RSS syndication
*
* @author Kellan Elliott-McCrea <kellan@protest.net>
* @version 0.51
* @license GPL
*
* @package External
* @subpackage MagpieRSS
* @deprecated 3.0.0 Use SimplePie instead.
*/
/**
* Deprecated. Use SimplePie (class-simplepie.php) instead.
*/
_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
/**
* Fires before MagpieRSS is loaded, to optionally replace it.
*
* @since 2.3.0
* @deprecated 3.0.0
*/
do_action( 'load_feed_engine' );
/** RSS feed constant. */
define('RSS', 'RSS');
define('ATOM', 'Atom');
define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
class MagpieRSS {
var $parser;
var $current_item = array(); // item currently being parsed
var $items = array(); // collection of parsed items
var $channel = array(); // hash of channel fields
var $textinput = array();
var $image = array();
var $feed_type;
var $feed_version;
// parser variables
var $stack = array(); // parser stack
var $inchannel = false;
var $initem = false;
var $incontent = false; // if in Atom <content mode="xml"> field
var $intextinput = false;
var $inimage = false;
var $current_field = '';
var $current_namespace = false;
//var $ERROR = "";
var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
/**
* PHP5 constructor.
*/
function __construct( $source ) {
# Check if PHP xml isn't compiled
#
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = xml_parser_create();
$this->parser = $parser;
# pass in parser, and a reference to this object
# set up handlers
#
xml_set_object( $this->parser, $this );
xml_set_element_handler($this->parser,
'feed_start_element', 'feed_end_element' );
xml_set_character_data_handler( $this->parser, 'feed_cdata' );
$status = xml_parse( $this->parser, $source );
if (! $status ) {
$errorcode = xml_get_error_code( $this->parser );
if ( $errorcode != XML_ERROR_NONE ) {
$xml_error = xml_error_string( $errorcode );
$error_line = xml_get_current_line_number($this->parser);
$error_col = xml_get_current_column_number($this->parser);
$errormsg = "$xml_error at line $error_line, column $error_col";
$this->error( $errormsg );
}
}
xml_parser_free( $this->parser );
$this->normalize();
}
/**
* PHP4 constructor.
*/
public function MagpieRSS( $source ) {
self::__construct( $source );
}
function feed_start_element($p, $element, &$attrs) {
$el = $element = strtolower($element);
$attrs = array_change_key_case($attrs, CASE_LOWER);
// check for a namespace, and split if found
$ns = false;
if ( strpos( $element, ':' ) ) {
list($ns, $el) = explode( ':', $element, 2);
}
if ( $ns and $ns != 'rdf' ) {
$this->current_namespace = $ns;
}
# if feed type isn't set, then this is first element of feed
# identify feed from root element
#
if (!isset($this->feed_type) ) {
if ( $el == 'rdf' ) {
$this->feed_type = RSS;
$this->feed_version = '1.0';
}
elseif ( $el == 'rss' ) {
$this->feed_type = RSS;
$this->feed_version = $attrs['version'];
}
elseif ( $el == 'feed' ) {
$this->feed_type = ATOM;
$this->feed_version = $attrs['version'];
$this->inchannel = true;
}
return;
}
if ( $el == 'channel' )
{
$this->inchannel = true;
}
elseif ($el == 'item' or $el == 'entry' )
{
$this->initem = true;
if ( isset($attrs['rdf:about']) ) {
$this->current_item['about'] = $attrs['rdf:about'];
}
}
// if we're in the default namespace of an RSS feed,
// record textinput or image fields
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'textinput' )
{
$this->intextinput = true;
}
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'image' )
{
$this->inimage = true;
}
# handle atom content constructs
elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
// avoid clashing w/ RSS mod_content
if ($el == 'content' ) {
$el = 'atom_content';
}
$this->incontent = $el;
}
// if inside an Atom content construct (e.g. content or summary) field treat tags as text
elseif ($this->feed_type == ATOM and $this->incontent )
{
// if tags are inlined, then flatten
$attrs_str = join(' ',
array_map(array('MagpieRSS', 'map_attrs'),
array_keys($attrs),
array_values($attrs) ) );
$this->append_content( "<$element $attrs_str>" );
array_unshift( $this->stack, $el );
}
// Atom support many links per containging element.
// Magpie treats link elements of type rel='alternate'
// as being equivalent to RSS's simple link element.
//
elseif ($this->feed_type == ATOM and $el == 'link' )
{
if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
{
$link_el = 'link';
}
else {
$link_el = 'link_' . $attrs['rel'];
}
$this->append($link_el, $attrs['href']);
}
// set stack[0] to current element
else {
array_unshift($this->stack, $el);
}
}
function feed_cdata ($p, $text) {
if ($this->feed_type == ATOM and $this->incontent)
{
$this->append_content( $text );
}
else {
$current_el = join('_', array_reverse($this->stack));
$this->append($current_el, $text);
}
}
function feed_end_element ($p, $el) {
$el = strtolower($el);
if ( $el == 'item' or $el == 'entry' )
{
$this->items[] = $this->current_item;
$this->current_item = array();
$this->initem = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
{
$this->intextinput = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
{
$this->inimage = false;
}
elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
$this->incontent = false;
}
elseif ($el == 'channel' or $el == 'feed' )
{
$this->inchannel = false;
}
elseif ($this->feed_type == ATOM and $this->incontent ) {
// balance tags properly
// note: This may not actually be necessary
if ( $this->stack[0] == $el )
{
$this->append_content("</$el>");
}
else {
$this->append_content("<$el />");
}
array_shift( $this->stack );
}
else {
array_shift( $this->stack );
}
$this->current_namespace = false;
}
function concat (&$str1, $str2="") {
if (!isset($str1) ) {
$str1="";
}
$str1 .= $str2;
}
function append_content($text) {
if ( $this->initem ) {
$this->concat( $this->current_item[ $this->incontent ], $text );
}
elseif ( $this->inchannel ) {
$this->concat( $this->channel[ $this->incontent ], $text );
}
}
// smart append - field and namespace aware
function append($el, $text) {
if (!$el) {
return;
}
if ( $this->current_namespace )
{
if ( $this->initem ) {
$this->concat(
$this->current_item[ $this->current_namespace ][ $el ], $text);
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $this->current_namespace][ $el ], $text );
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $this->current_namespace][ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $this->current_namespace ][ $el ], $text );
}
}
else {
if ( $this->initem ) {
$this->concat(
$this->current_item[ $el ], $text);
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $el ], $text );
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $el ], $text );
}
}
}
function normalize () {
// if atom populate rss fields
if ( $this->is_atom() ) {
$this->channel['descripton'] = $this->channel['tagline'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['summary']) )
$item['description'] = $item['summary'];
if ( isset($item['atom_content']))
$item['content']['encoded'] = $item['atom_content'];
$this->items[$i] = $item;
}
}
elseif ( $this->is_rss() ) {
$this->channel['tagline'] = $this->channel['description'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['description']))
$item['summary'] = $item['description'];
if ( isset($item['content']['encoded'] ) )
$item['atom_content'] = $item['content']['encoded'];
$this->items[$i] = $item;
}
}
}
function is_rss () {
if ( $this->feed_type == RSS ) {
return $this->feed_version;
}
else {
return false;
}
}
function is_atom() {
if ( $this->feed_type == ATOM ) {
return $this->feed_version;
}
else {
return false;
}
}
function map_attrs($k, $v) {
return "$k=\"$v\"";
}
function error( $errormsg, $lvl = E_USER_WARNING ) {
// append PHP's error message if track_errors enabled
if ( isset($php_errormsg) ) {
$errormsg .= " ($php_errormsg)";
}
if ( MAGPIE_DEBUG ) {
trigger_error( $errormsg, $lvl);
} else {
error_log( $errormsg, 0);
}
}
}
if ( !function_exists('fetch_rss') ) :
/**
* Build Magpie object based on RSS from URL.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve feed
* @return bool|MagpieRSS false on failure or MagpieRSS object on success.
*/
function fetch_rss ($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 it's 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
// set up headers
if ( $cache_status == 'STALE' ) {
$rss = $cache->get( $url );
if ( isset($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()
endif;
/**
* Retrieve URL headers and content using WP HTTP Request API.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve
* @param array $headers Optional. Headers to send to the URL.
* @return Snoopy style response
*/
function _fetch_remote_file($url, $headers = "" ) {
$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
if ( is_wp_error($resp) ) {
$error = array_shift($resp->errors);
$resp = new stdClass;
$resp->status = 500;
$resp->response_code = 500;
$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
return $resp;
}
// Snoopy returns headers unprocessed.
// Also note, WP_HTTP lowercases all keys, Snoopy did not.
$return_headers = array();
foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
if ( !is_array($value) ) {
$return_headers[] = "$key: $value";
} else {
foreach ( $value as $v )
$return_headers[] = "$key: $v";
}
}
$response = new stdClass;
$response->status = wp_remote_retrieve_response_code( $resp );
$response->response_code = wp_remote_retrieve_response_code( $resp );
$response->headers = $return_headers;
$response->results = wp_remote_retrieve_body( $resp );
return $response;
}
/**
* Retrieve
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param array $resp
* @return MagpieRSS|bool
*/
function _response_to_rss ($resp) {
$rss = new MagpieRSS( $resp->results );
// if RSS parsed successfully
if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
// find Etag, and Last-Modified
foreach ( (array) $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)
}
/**
* Set up constants with default values, unless user overrides.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*/
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/' . $GLOBALS['wp_version'];
if ( MAGPIE_CACHE_ON ) {
$ua = $ua . ')';
}
else {
$ua = $ua . '; No cache)';
}
define('MAGPIE_USER_AGENT', $ua);
}
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
}
// use gzip encoding to fetch rss files if supported?
if ( !defined('MAGPIE_USE_GZIP') ) {
define('MAGPIE_USE_GZIP', true);
}
}
function is_info ($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; // where the cache files are stored
var $MAX_AGE = 43200; // when are files stale, default twelve hours
var $ERROR = ''; // accumulate error messages
/**
* PHP5 constructor.
*/
function __construct( $base = '', $age = '' ) {
$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
if ( $base ) {
$this->BASE_CACHE = $base;
}
if ( $age ) {
$this->MAX_AGE = $age;
}
}
/**
* PHP4 constructor.
*/
public function RSSCache( $base = '', $age = '' ) {
self::__construct( $base, $age );
}
/*=======================================================================*\
Function: set
Purpose: add an item to the cache, keyed on url
Input: url from which the rss file was fetched
Output: true on success
\*=======================================================================*/
function set ($url, $rss) {
$cache_option = 'rss_' . $this->file_name( $url );
set_transient($cache_option, $rss, $this->MAX_AGE);
return $cache_option;
}
/*=======================================================================*\
Function: get
Purpose: fetch an item from the cache
Input: url from which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function get ($url) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( ! $rss = get_transient( $cache_option ) ) {
$this->debug(
"Cache doesn't contain: $url (cache option: $cache_option)"
);
return 0;
}
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 which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function check_cache ( $url ) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( get_transient($cache_option) ) {
// object exists and is current
return 'HIT';
} else {
// object does not exist
return 'MISS';
}
}
/*=======================================================================*\
Function: serialize
\*=======================================================================*/
function serialize ( $rss ) {
return serialize( $rss );
}
/*=======================================================================*\
Function: unserialize
\*=======================================================================*/
function unserialize ( $data ) {
return unserialize( $data );
}
/*=======================================================================*\
Function: file_name
Purpose: map url to location in cache
Input: url from which the rss file was fetched
Output: a file name
\*=======================================================================*/
function file_name ($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);
}
}
}
if ( !function_exists('parse_w3cdtf') ) :
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[7]);
# calc epoch for current date assuming GMT
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
$offset = 0;
if ( $match[11] == '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;
}
}
endif;
if ( !function_exists('wp_rss') ) :
/**
* Display all RSS items in a HTML ordered list.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
*/
function wp_rss( $url, $num_items = -1 ) {
if ( $rss = fetch_rss( $url ) ) {
echo '<ul>';
if ( $num_items !== -1 ) {
$rss->items = array_slice( $rss->items, 0, $num_items );
}
foreach ( (array) $rss->items as $item ) {
printf(
'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
esc_url( $item['link'] ),
esc_attr( strip_tags( $item['description'] ) ),
esc_html( $item['title'] )
);
}
echo '</ul>';
} else {
_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
}
}
endif;
if ( !function_exists('get_rss') ) :
/**
* Display RSS items in HTML list items.
*
* You have to specify which HTML list you want, either ordered or unordered
* before using the function. You also have to specify how many items you wish
* to display. You can't display all of them like you can with wp_rss()
* function.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
* @return bool False on failure.
*/
function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
$rss = fetch_rss($url);
if ( $rss ) {
$rss->items = array_slice($rss->items, 0, $num_items);
foreach ( (array) $rss->items as $item ) {
echo "<li>\n";
echo "<a href='$item[link]' title='$item[description]'>";
echo esc_html($item['title']);
echo "</a><br />\n";
echo "</li>\n";
}
} else {
return false;
}
}
endif;
home/xbodynamge/crosstraining/wp-includes/rss.php 0000604 00000055250 15112656530 0016277 0 ustar 00 <?php
/**
* MagpieRSS: a simple RSS integration tool
*
* A compiled file for RSS syndication
*
* @author Kellan Elliott-McCrea <kellan@protest.net>
* @version 0.51
* @license GPL
*
* @package External
* @subpackage MagpieRSS
* @deprecated 3.0.0 Use SimplePie instead.
*/
/**
* Deprecated. Use SimplePie (class-simplepie.php) instead.
*/
_deprecated_file( basename( __FILE__ ), '3.0.0', WPINC . '/class-simplepie.php' );
/**
* Fires before MagpieRSS is loaded, to optionally replace it.
*
* @since 2.3.0
* @deprecated 3.0.0
*/
do_action( 'load_feed_engine' );
/** RSS feed constant. */
define('RSS', 'RSS');
define('ATOM', 'Atom');
define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
class MagpieRSS {
var $parser;
var $current_item = array(); // item currently being parsed
var $items = array(); // collection of parsed items
var $channel = array(); // hash of channel fields
var $textinput = array();
var $image = array();
var $feed_type;
var $feed_version;
// parser variables
var $stack = array(); // parser stack
var $inchannel = false;
var $initem = false;
var $incontent = false; // if in Atom <content mode="xml"> field
var $intextinput = false;
var $inimage = false;
var $current_field = '';
var $current_namespace = false;
//var $ERROR = "";
var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
/**
* PHP5 constructor.
*/
function __construct( $source ) {
# Check if PHP xml isn't compiled
#
if ( ! function_exists('xml_parser_create') ) {
return trigger_error( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." );
}
$parser = xml_parser_create();
$this->parser = $parser;
# pass in parser, and a reference to this object
# set up handlers
#
xml_set_object( $this->parser, $this );
xml_set_element_handler($this->parser,
'feed_start_element', 'feed_end_element' );
xml_set_character_data_handler( $this->parser, 'feed_cdata' );
$status = xml_parse( $this->parser, $source );
if (! $status ) {
$errorcode = xml_get_error_code( $this->parser );
if ( $errorcode != XML_ERROR_NONE ) {
$xml_error = xml_error_string( $errorcode );
$error_line = xml_get_current_line_number($this->parser);
$error_col = xml_get_current_column_number($this->parser);
$errormsg = "$xml_error at line $error_line, column $error_col";
$this->error( $errormsg );
}
}
xml_parser_free( $this->parser );
$this->normalize();
}
/**
* PHP4 constructor.
*/
public function MagpieRSS( $source ) {
self::__construct( $source );
}
function feed_start_element($p, $element, &$attrs) {
$el = $element = strtolower($element);
$attrs = array_change_key_case($attrs, CASE_LOWER);
// check for a namespace, and split if found
$ns = false;
if ( strpos( $element, ':' ) ) {
list($ns, $el) = explode( ':', $element, 2);
}
if ( $ns and $ns != 'rdf' ) {
$this->current_namespace = $ns;
}
# if feed type isn't set, then this is first element of feed
# identify feed from root element
#
if (!isset($this->feed_type) ) {
if ( $el == 'rdf' ) {
$this->feed_type = RSS;
$this->feed_version = '1.0';
}
elseif ( $el == 'rss' ) {
$this->feed_type = RSS;
$this->feed_version = $attrs['version'];
}
elseif ( $el == 'feed' ) {
$this->feed_type = ATOM;
$this->feed_version = $attrs['version'];
$this->inchannel = true;
}
return;
}
if ( $el == 'channel' )
{
$this->inchannel = true;
}
elseif ($el == 'item' or $el == 'entry' )
{
$this->initem = true;
if ( isset($attrs['rdf:about']) ) {
$this->current_item['about'] = $attrs['rdf:about'];
}
}
// if we're in the default namespace of an RSS feed,
// record textinput or image fields
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'textinput' )
{
$this->intextinput = true;
}
elseif (
$this->feed_type == RSS and
$this->current_namespace == '' and
$el == 'image' )
{
$this->inimage = true;
}
# handle atom content constructs
elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
// avoid clashing w/ RSS mod_content
if ($el == 'content' ) {
$el = 'atom_content';
}
$this->incontent = $el;
}
// if inside an Atom content construct (e.g. content or summary) field treat tags as text
elseif ($this->feed_type == ATOM and $this->incontent )
{
// if tags are inlined, then flatten
$attrs_str = join(' ',
array_map(array('MagpieRSS', 'map_attrs'),
array_keys($attrs),
array_values($attrs) ) );
$this->append_content( "<$element $attrs_str>" );
array_unshift( $this->stack, $el );
}
// Atom support many links per containging element.
// Magpie treats link elements of type rel='alternate'
// as being equivalent to RSS's simple link element.
//
elseif ($this->feed_type == ATOM and $el == 'link' )
{
if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
{
$link_el = 'link';
}
else {
$link_el = 'link_' . $attrs['rel'];
}
$this->append($link_el, $attrs['href']);
}
// set stack[0] to current element
else {
array_unshift($this->stack, $el);
}
}
function feed_cdata ($p, $text) {
if ($this->feed_type == ATOM and $this->incontent)
{
$this->append_content( $text );
}
else {
$current_el = join('_', array_reverse($this->stack));
$this->append($current_el, $text);
}
}
function feed_end_element ($p, $el) {
$el = strtolower($el);
if ( $el == 'item' or $el == 'entry' )
{
$this->items[] = $this->current_item;
$this->current_item = array();
$this->initem = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
{
$this->intextinput = false;
}
elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
{
$this->inimage = false;
}
elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
{
$this->incontent = false;
}
elseif ($el == 'channel' or $el == 'feed' )
{
$this->inchannel = false;
}
elseif ($this->feed_type == ATOM and $this->incontent ) {
// balance tags properly
// note: This may not actually be necessary
if ( $this->stack[0] == $el )
{
$this->append_content("</$el>");
}
else {
$this->append_content("<$el />");
}
array_shift( $this->stack );
}
else {
array_shift( $this->stack );
}
$this->current_namespace = false;
}
function concat (&$str1, $str2="") {
if (!isset($str1) ) {
$str1="";
}
$str1 .= $str2;
}
function append_content($text) {
if ( $this->initem ) {
$this->concat( $this->current_item[ $this->incontent ], $text );
}
elseif ( $this->inchannel ) {
$this->concat( $this->channel[ $this->incontent ], $text );
}
}
// smart append - field and namespace aware
function append($el, $text) {
if (!$el) {
return;
}
if ( $this->current_namespace )
{
if ( $this->initem ) {
$this->concat(
$this->current_item[ $this->current_namespace ][ $el ], $text);
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $this->current_namespace][ $el ], $text );
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $this->current_namespace][ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $this->current_namespace ][ $el ], $text );
}
}
else {
if ( $this->initem ) {
$this->concat(
$this->current_item[ $el ], $text);
}
elseif ($this->intextinput) {
$this->concat(
$this->textinput[ $el ], $text );
}
elseif ($this->inimage) {
$this->concat(
$this->image[ $el ], $text );
}
elseif ($this->inchannel) {
$this->concat(
$this->channel[ $el ], $text );
}
}
}
function normalize () {
// if atom populate rss fields
if ( $this->is_atom() ) {
$this->channel['descripton'] = $this->channel['tagline'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['summary']) )
$item['description'] = $item['summary'];
if ( isset($item['atom_content']))
$item['content']['encoded'] = $item['atom_content'];
$this->items[$i] = $item;
}
}
elseif ( $this->is_rss() ) {
$this->channel['tagline'] = $this->channel['description'];
for ( $i = 0; $i < count($this->items); $i++) {
$item = $this->items[$i];
if ( isset($item['description']))
$item['summary'] = $item['description'];
if ( isset($item['content']['encoded'] ) )
$item['atom_content'] = $item['content']['encoded'];
$this->items[$i] = $item;
}
}
}
function is_rss () {
if ( $this->feed_type == RSS ) {
return $this->feed_version;
}
else {
return false;
}
}
function is_atom() {
if ( $this->feed_type == ATOM ) {
return $this->feed_version;
}
else {
return false;
}
}
function map_attrs($k, $v) {
return "$k=\"$v\"";
}
function error( $errormsg, $lvl = E_USER_WARNING ) {
// append PHP's error message if track_errors enabled
if ( isset($php_errormsg) ) {
$errormsg .= " ($php_errormsg)";
}
if ( MAGPIE_DEBUG ) {
trigger_error( $errormsg, $lvl);
} else {
error_log( $errormsg, 0);
}
}
}
if ( !function_exists('fetch_rss') ) :
/**
* Build Magpie object based on RSS from URL.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve feed
* @return bool|MagpieRSS false on failure or MagpieRSS object on success.
*/
function fetch_rss ($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 it's 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
// set up headers
if ( $cache_status == 'STALE' ) {
$rss = $cache->get( $url );
if ( isset($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()
endif;
/**
* Retrieve URL headers and content using WP HTTP Request API.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL to retrieve
* @param array $headers Optional. Headers to send to the URL.
* @return Snoopy style response
*/
function _fetch_remote_file($url, $headers = "" ) {
$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
if ( is_wp_error($resp) ) {
$error = array_shift($resp->errors);
$resp = new stdClass;
$resp->status = 500;
$resp->response_code = 500;
$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
return $resp;
}
// Snoopy returns headers unprocessed.
// Also note, WP_HTTP lowercases all keys, Snoopy did not.
$return_headers = array();
foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
if ( !is_array($value) ) {
$return_headers[] = "$key: $value";
} else {
foreach ( $value as $v )
$return_headers[] = "$key: $v";
}
}
$response = new stdClass;
$response->status = wp_remote_retrieve_response_code( $resp );
$response->response_code = wp_remote_retrieve_response_code( $resp );
$response->headers = $return_headers;
$response->results = wp_remote_retrieve_body( $resp );
return $response;
}
/**
* Retrieve
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param array $resp
* @return MagpieRSS|bool
*/
function _response_to_rss ($resp) {
$rss = new MagpieRSS( $resp->results );
// if RSS parsed successfully
if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
// find Etag, and Last-Modified
foreach ( (array) $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)
}
/**
* Set up constants with default values, unless user overrides.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*/
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/' . $GLOBALS['wp_version'];
if ( MAGPIE_CACHE_ON ) {
$ua = $ua . ')';
}
else {
$ua = $ua . '; No cache)';
}
define('MAGPIE_USER_AGENT', $ua);
}
if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
}
// use gzip encoding to fetch rss files if supported?
if ( !defined('MAGPIE_USE_GZIP') ) {
define('MAGPIE_USE_GZIP', true);
}
}
function is_info ($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; // where the cache files are stored
var $MAX_AGE = 43200; // when are files stale, default twelve hours
var $ERROR = ''; // accumulate error messages
/**
* PHP5 constructor.
*/
function __construct( $base = '', $age = '' ) {
$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
if ( $base ) {
$this->BASE_CACHE = $base;
}
if ( $age ) {
$this->MAX_AGE = $age;
}
}
/**
* PHP4 constructor.
*/
public function RSSCache( $base = '', $age = '' ) {
self::__construct( $base, $age );
}
/*=======================================================================*\
Function: set
Purpose: add an item to the cache, keyed on url
Input: url from which the rss file was fetched
Output: true on success
\*=======================================================================*/
function set ($url, $rss) {
$cache_option = 'rss_' . $this->file_name( $url );
set_transient($cache_option, $rss, $this->MAX_AGE);
return $cache_option;
}
/*=======================================================================*\
Function: get
Purpose: fetch an item from the cache
Input: url from which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function get ($url) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( ! $rss = get_transient( $cache_option ) ) {
$this->debug(
"Cache doesn't contain: $url (cache option: $cache_option)"
);
return 0;
}
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 which the rss file was fetched
Output: cached object on HIT, false on MISS
\*=======================================================================*/
function check_cache ( $url ) {
$this->ERROR = "";
$cache_option = 'rss_' . $this->file_name( $url );
if ( get_transient($cache_option) ) {
// object exists and is current
return 'HIT';
} else {
// object does not exist
return 'MISS';
}
}
/*=======================================================================*\
Function: serialize
\*=======================================================================*/
function serialize ( $rss ) {
return serialize( $rss );
}
/*=======================================================================*\
Function: unserialize
\*=======================================================================*/
function unserialize ( $data ) {
return unserialize( $data );
}
/*=======================================================================*\
Function: file_name
Purpose: map url to location in cache
Input: url from which the rss file was fetched
Output: a file name
\*=======================================================================*/
function file_name ($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);
}
}
}
if ( !function_exists('parse_w3cdtf') ) :
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[7]);
# calc epoch for current date assuming GMT
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
$offset = 0;
if ( $match[11] == '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;
}
}
endif;
if ( !function_exists('wp_rss') ) :
/**
* Display all RSS items in a HTML ordered list.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
*/
function wp_rss( $url, $num_items = -1 ) {
if ( $rss = fetch_rss( $url ) ) {
echo '<ul>';
if ( $num_items !== -1 ) {
$rss->items = array_slice( $rss->items, 0, $num_items );
}
foreach ( (array) $rss->items as $item ) {
printf(
'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
esc_url( $item['link'] ),
esc_attr( strip_tags( $item['description'] ) ),
esc_html( $item['title'] )
);
}
echo '</ul>';
} else {
_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
}
}
endif;
if ( !function_exists('get_rss') ) :
/**
* Display RSS items in HTML list items.
*
* You have to specify which HTML list you want, either ordered or unordered
* before using the function. You also have to specify how many items you wish
* to display. You can't display all of them like you can with wp_rss()
* function.
*
* @since 1.5.0
* @package External
* @subpackage MagpieRSS
*
* @param string $url URL of feed to display. Will not auto sense feed URL.
* @param int $num_items Optional. Number of items to display, default is all.
* @return bool False on failure.
*/
function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
$rss = fetch_rss($url);
if ( $rss ) {
$rss->items = array_slice($rss->items, 0, $num_items);
foreach ( (array) $rss->items as $item ) {
echo "<li>\n";
echo "<a href='$item[link]' title='$item[description]'>";
echo esc_html($item['title']);
echo "</a><br />\n";
echo "</li>\n";
}
} else {
return false;
}
}
endif;
home/xbodynamge/lebauwcentre/wp-includes/blocks/rss.php 0000644 00000007622 15112741542 0017351 0 ustar 00 <?php
/**
* Server-side rendering of the `core/rss` block.
*
* @package WordPress
*/
/**
* Renders the `core/rss` block on server.
*
* @param array $attributes The block attributes.
*
* @return string Returns the block content with received rss items.
*/
function render_block_core_rss( $attributes ) {
$rss = fetch_feed( $attributes['feedURL'] );
if ( is_wp_error( $rss ) ) {
return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</div></div>';
}
if ( ! $rss->get_item_quantity() ) {
// PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks.
$rss->__destruct();
unset( $rss );
return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</div></div>';
}
$rss_items = $rss->get_items( 0, $attributes['itemsToShow'] );
$list_items = '';
foreach ( $rss_items as $item ) {
$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
if ( empty( $title ) ) {
$title = __( '(Untitled)' );
}
$link = $item->get_link();
$link = esc_url( $link );
if ( $link ) {
$title = "<a href='{$link}'>{$title}</a>";
}
$title = "<div class='wp-block-rss__item-title'>{$title}</div>";
$date = '';
if ( $attributes['displayDate'] ) {
$date = $item->get_date( 'U' );
if ( $date ) {
$date = sprintf(
'<time datetime="%1$s" class="wp-block-rss__item-publish-date">%2$s</time> ',
esc_attr( date_i18n( get_option( 'c' ), $date ) ),
esc_attr( date_i18n( get_option( 'date_format' ), $date ) )
);
}
}
$author = '';
if ( $attributes['displayAuthor'] ) {
$author = $item->get_author();
if ( is_object( $author ) ) {
$author = $author->get_name();
$author = '<span class="wp-block-rss__item-author">' . __( 'by' ) . ' ' . esc_html( strip_tags( $author ) ) . '</span>';
}
}
$excerpt = '';
if ( $attributes['displayExcerpt'] ) {
$excerpt = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
$excerpt = esc_attr( wp_trim_words( $excerpt, $attributes['excerptLength'], ' […]' ) );
// Change existing [...] to […].
if ( '[...]' == substr( $excerpt, -5 ) ) {
$excerpt = substr( $excerpt, 0, -5 ) . '[…]';
}
$excerpt = '<div class="wp-block-rss__item-excerpt">' . esc_html( $excerpt ) . '</div>';
}
$list_items .= "<li class='wp-block-rss__item'>{$title}{$date}{$author}{$excerpt}</li>";
}
$classes = 'grid' === $attributes['blockLayout'] ? ' is-grid columns-' . $attributes['columns'] : '';
$list_items_markup = sprintf( "<ul class='%s'>%s</ul>", esc_attr( $classes ), $list_items );
// PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks.
$rss->__destruct();
unset( $rss );
return $list_items_markup;
}
/**
* Registers the `core/rss` block on server.
*/
function register_block_core_rss() {
register_block_type(
'core/rss',
array(
'attributes' => array(
'columns' => array(
'type' => 'number',
'default' => 2,
),
'blockLayout' => array(
'type' => 'string',
'default' => 'list',
),
'feedURL' => array(
'type' => 'string',
'default' => '',
),
'itemsToShow' => array(
'type' => 'number',
'default' => 5,
),
'displayExcerpt' => array(
'type' => 'boolean',
'default' => false,
),
'displayAuthor' => array(
'type' => 'boolean',
'default' => false,
),
'displayDate' => array(
'type' => 'boolean',
'default' => false,
),
'excerptLength' => array(
'type' => 'number',
'default' => 55,
),
),
'render_callback' => 'render_block_core_rss',
)
);
}
add_action( 'init', 'register_block_core_rss' );
home/xbodynamge/crosstraining/wp-content/plugins/wordpress-seo/admin/views/tabs/metas/rss.php 0000644 00000001777 15112754552 0026743 0 ustar 00 <?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
$wpseo_rss_presenter = new WPSEO_Paper_Presenter(
esc_html__( 'RSS feed settings', 'wordpress-seo' ),
__DIR__ . '/paper-content/rss-content.php',
[
'help_text' => new WPSEO_Admin_Help_Panel(
'search-appearance-rss',
__( 'Learn more about the RSS feed setting', 'wordpress-seo' ),
__( 'This feature is used to automatically add content to your RSS, more specifically, it\'s meant to add links back to your blog and your blog posts, so dumb scrapers will automatically add these links too, helping search engines identify you as the original source of the content.', 'wordpress-seo' ),
'has-wrapper'
),
'paper_id' => 'settings-rss-feed',
'class' => 'search-appearance',
]
);
// phpcs:ignore WordPress.Security.EscapeOutput -- get_output() output is properly escaped.
echo $wpseo_rss_presenter->get_output();
home/xbodynamge/namtation/wp-includes/blocks/rss.php 0000644 00000007622 15113177453 0016670 0 ustar 00 <?php
/**
* Server-side rendering of the `core/rss` block.
*
* @package WordPress
*/
/**
* Renders the `core/rss` block on server.
*
* @param array $attributes The block attributes.
*
* @return string Returns the block content with received rss items.
*/
function render_block_core_rss( $attributes ) {
$rss = fetch_feed( $attributes['feedURL'] );
if ( is_wp_error( $rss ) ) {
return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</div></div>';
}
if ( ! $rss->get_item_quantity() ) {
// PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks.
$rss->__destruct();
unset( $rss );
return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</div></div>';
}
$rss_items = $rss->get_items( 0, $attributes['itemsToShow'] );
$list_items = '';
foreach ( $rss_items as $item ) {
$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
if ( empty( $title ) ) {
$title = __( '(Untitled)' );
}
$link = $item->get_link();
$link = esc_url( $link );
if ( $link ) {
$title = "<a href='{$link}'>{$title}</a>";
}
$title = "<div class='wp-block-rss__item-title'>{$title}</div>";
$date = '';
if ( $attributes['displayDate'] ) {
$date = $item->get_date( 'U' );
if ( $date ) {
$date = sprintf(
'<time datetime="%1$s" class="wp-block-rss__item-publish-date">%2$s</time> ',
esc_attr( date_i18n( get_option( 'c' ), $date ) ),
esc_attr( date_i18n( get_option( 'date_format' ), $date ) )
);
}
}
$author = '';
if ( $attributes['displayAuthor'] ) {
$author = $item->get_author();
if ( is_object( $author ) ) {
$author = $author->get_name();
$author = '<span class="wp-block-rss__item-author">' . __( 'by' ) . ' ' . esc_html( strip_tags( $author ) ) . '</span>';
}
}
$excerpt = '';
if ( $attributes['displayExcerpt'] ) {
$excerpt = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
$excerpt = esc_attr( wp_trim_words( $excerpt, $attributes['excerptLength'], ' […]' ) );
// Change existing [...] to […].
if ( '[...]' == substr( $excerpt, -5 ) ) {
$excerpt = substr( $excerpt, 0, -5 ) . '[…]';
}
$excerpt = '<div class="wp-block-rss__item-excerpt">' . esc_html( $excerpt ) . '</div>';
}
$list_items .= "<li class='wp-block-rss__item'>{$title}{$date}{$author}{$excerpt}</li>";
}
$classes = 'grid' === $attributes['blockLayout'] ? ' is-grid columns-' . $attributes['columns'] : '';
$list_items_markup = sprintf( "<ul class='%s'>%s</ul>", esc_attr( $classes ), $list_items );
// PHP 5.2 compatibility. See: http://simplepie.org/wiki/faq/i_m_getting_memory_leaks.
$rss->__destruct();
unset( $rss );
return $list_items_markup;
}
/**
* Registers the `core/rss` block on server.
*/
function register_block_core_rss() {
register_block_type(
'core/rss',
array(
'attributes' => array(
'columns' => array(
'type' => 'number',
'default' => 2,
),
'blockLayout' => array(
'type' => 'string',
'default' => 'list',
),
'feedURL' => array(
'type' => 'string',
'default' => '',
),
'itemsToShow' => array(
'type' => 'number',
'default' => 5,
),
'displayExcerpt' => array(
'type' => 'boolean',
'default' => false,
),
'displayAuthor' => array(
'type' => 'boolean',
'default' => false,
),
'displayDate' => array(
'type' => 'boolean',
'default' => false,
),
'excerptLength' => array(
'type' => 'number',
'default' => 55,
),
),
'render_callback' => 'render_block_core_rss',
)
);
}
add_action( 'init', 'register_block_core_rss' );
xbodynamge/namtation/wp-content/plugins/all-in-one-seo-pack/app/Common/Views/sitemap/xml/rss.php 0000644 00000003306 15113766216 0027657 0 ustar 00 home <?php
/**
* XML template for the RSS Sitemap.
*
* @since 4.0.0
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
// phpcs:disable
?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel><?php
// Yandex doesn't support some tags so we need to check the user agent.
if ( ! aioseo()->helpers->isYandexUserAgent() ) {
?>
<title><?php aioseo()->sitemap->output->escapeAndEcho( $title, false ); ?></title>
<link><?php aioseo()->sitemap->output->escapeAndEcho( $link ); ?></link>
<?php if ( $description ) {
?><description><?php aioseo()->sitemap->output->escapeAndEcho( $description ); ?></description>
<?php }
?><?php if ( ! empty( $entries[0]['pubDate'] ) ) {
?><lastBuildDate><?php aioseo()->sitemap->output->escapeAndEcho( $entries[0]['pubDate'] ); ?></lastBuildDate>
<?php }
?><docs>https://validator.w3.org/feed/docs/rss2.html</docs>
<atom:link href="<?php echo aioseo()->sitemap->helpers->getUrl( 'rss' ); ?>" rel="self" type="application/rss+xml" />
<ttl><?php aioseo()->sitemap->output->escapeAndEcho( $ttl ); ?></ttl>
<?php }
foreach ( $entries as $entry ) {
if ( empty( $entry['guid'] ) ) {
continue;
}?>
<item>
<guid><?php aioseo()->sitemap->output->escapeAndEcho( $entry['guid'] ); ?></guid>
<link><?php aioseo()->sitemap->output->escapeAndEcho( $entry['guid'] ); ?></link><?php
if ( ! empty( $entry['title'] ) ) {
?>
<title><?php aioseo()->sitemap->output->escapeAndEcho( $entry['title'], false ); ?></title><?php
}
if ( ! empty( $entry['pubDate'] ) ) {
?>
<pubDate><?php aioseo()->sitemap->output->escapeAndEcho( $entry['pubDate'] ); ?></pubDate><?php
}
?>
</item>
<?php } ?>
</channel>
</rss>
home/xbodynamge/lebauwcentre/wp-content/plugins/wordpress-seo/admin/views/tabs/metas/rss.php 0000644 00000001777 15114073351 0026527 0 ustar 00 <?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
$wpseo_rss_presenter = new WPSEO_Paper_Presenter(
esc_html__( 'RSS feed settings', 'wordpress-seo' ),
__DIR__ . '/paper-content/rss-content.php',
[
'help_text' => new WPSEO_Admin_Help_Panel(
'search-appearance-rss',
__( 'Learn more about the RSS feed setting', 'wordpress-seo' ),
__( 'This feature is used to automatically add content to your RSS, more specifically, it\'s meant to add links back to your blog and your blog posts, so dumb scrapers will automatically add these links too, helping search engines identify you as the original source of the content.', 'wordpress-seo' ),
'has-wrapper'
),
'paper_id' => 'settings-rss-feed',
'class' => 'search-appearance',
]
);
// phpcs:ignore WordPress.Security.EscapeOutput -- get_output() output is properly escaped.
echo $wpseo_rss_presenter->get_output();
home/xbodynamge/dev/wp-content/plugins/all-in-one-seo-pack/app/Common/Views/sitemap/xml/rss.php 0000644 00000003306 15114312257 0026513 0 ustar 00 <?php
/**
* XML template for the RSS Sitemap.
*
* @since 4.0.0
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
// phpcs:disable
?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel><?php
// Yandex doesn't support some tags so we need to check the user agent.
if ( ! aioseo()->helpers->isYandexUserAgent() ) {
?>
<title><?php aioseo()->sitemap->output->escapeAndEcho( $title, false ); ?></title>
<link><?php aioseo()->sitemap->output->escapeAndEcho( $link ); ?></link>
<?php if ( $description ) {
?><description><?php aioseo()->sitemap->output->escapeAndEcho( $description ); ?></description>
<?php }
?><?php if ( ! empty( $entries[0]['pubDate'] ) ) {
?><lastBuildDate><?php aioseo()->sitemap->output->escapeAndEcho( $entries[0]['pubDate'] ); ?></lastBuildDate>
<?php }
?><docs>https://validator.w3.org/feed/docs/rss2.html</docs>
<atom:link href="<?php echo aioseo()->sitemap->helpers->getUrl( 'rss' ); ?>" rel="self" type="application/rss+xml" />
<ttl><?php aioseo()->sitemap->output->escapeAndEcho( $ttl ); ?></ttl>
<?php }
foreach ( $entries as $entry ) {
if ( empty( $entry['guid'] ) ) {
continue;
}?>
<item>
<guid><?php aioseo()->sitemap->output->escapeAndEcho( $entry['guid'] ); ?></guid>
<link><?php aioseo()->sitemap->output->escapeAndEcho( $entry['guid'] ); ?></link><?php
if ( ! empty( $entry['title'] ) ) {
?>
<title><?php aioseo()->sitemap->output->escapeAndEcho( $entry['title'], false ); ?></title><?php
}
if ( ! empty( $entry['pubDate'] ) ) {
?>
<pubDate><?php aioseo()->sitemap->output->escapeAndEcho( $entry['pubDate'] ); ?></pubDate><?php
}
?>
</item>
<?php } ?>
</channel>
</rss>
home/xbodynamge/www/wp-content/plugins/wordpress-seo/admin/views/tabs/metas/rss.php 0000644 00000001777 15114361006 0024670 0 ustar 00 <?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
$wpseo_rss_presenter = new WPSEO_Paper_Presenter(
esc_html__( 'RSS feed settings', 'wordpress-seo' ),
__DIR__ . '/paper-content/rss-content.php',
[
'help_text' => new WPSEO_Admin_Help_Panel(
'search-appearance-rss',
__( 'Learn more about the RSS feed setting', 'wordpress-seo' ),
__( 'This feature is used to automatically add content to your RSS, more specifically, it\'s meant to add links back to your blog and your blog posts, so dumb scrapers will automatically add these links too, helping search engines identify you as the original source of the content.', 'wordpress-seo' ),
'has-wrapper'
),
'paper_id' => 'settings-rss-feed',
'class' => 'search-appearance',
]
);
// phpcs:ignore WordPress.Security.EscapeOutput -- get_output() output is properly escaped.
echo $wpseo_rss_presenter->get_output();
home/xbodynamge/namtation/wp-content/plugins/wordpress-seo/admin/views/tabs/metas/rss.php 0000644 00000001777 15115007340 0026035 0 ustar 00 <?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
if ( ! defined( 'WPSEO_VERSION' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
$wpseo_rss_presenter = new WPSEO_Paper_Presenter(
esc_html__( 'RSS feed settings', 'wordpress-seo' ),
__DIR__ . '/paper-content/rss-content.php',
[
'help_text' => new WPSEO_Admin_Help_Panel(
'search-appearance-rss',
__( 'Learn more about the RSS feed setting', 'wordpress-seo' ),
__( 'This feature is used to automatically add content to your RSS, more specifically, it\'s meant to add links back to your blog and your blog posts, so dumb scrapers will automatically add these links too, helping search engines identify you as the original source of the content.', 'wordpress-seo' ),
'has-wrapper'
),
'paper_id' => 'settings-rss-feed',
'class' => 'search-appearance',
]
);
// phpcs:ignore WordPress.Security.EscapeOutput -- get_output() output is properly escaped.
echo $wpseo_rss_presenter->get_output();