X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..58f607a1de715c9bca69340a4d6fb9e1b9c2bed2:/wp-includes/feed.php
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index 8f9219c5..1be12a45 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -1,15 +1,83 @@
$cut ) {
- $k = $cut;
- $use_dotdotdot = 1;
- } else {
- $k = count($blah);
- $use_dotdotdot = 0;
- }
- for ( $i=0; $i<$k; $i++ )
- $excerpt .= $blah[$i].' ';
- $excerpt .= ($use_dotdotdot) ? '...' : '';
- $content = $excerpt;
- }
+/**
+ * Retrieve the post content for feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.9.0
+ * @uses apply_filters() Calls 'the_content_feed' on the content before processing.
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ */
+function get_the_content_feed($feed_type = null) {
+ if ( !$feed_type )
+ $feed_type = get_default_feed();
+
+ $content = apply_filters('the_content', get_the_content());
$content = str_replace(']]>', ']]>', $content);
- echo $content;
+ return apply_filters('the_content_feed', $content, $feed_type);
}
+/**
+ * Display the post content for feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.9.0
+ * @uses apply_filters() Calls 'the_content_feed' on the content before processing.
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ */
+function the_content_feed($feed_type = null) {
+ echo get_the_content_feed();
+}
+/**
+ * Display the post excerpt for the feed.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 0.71
+ * @uses apply_filters() Calls 'the_excerpt_rss' hook on the excerpt.
+ */
function the_excerpt_rss() {
$output = get_the_excerpt();
echo apply_filters('the_excerpt_rss', $output);
}
+/**
+ * Display the permalink to the post for use in feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.3.0
+ * @uses apply_filters() Call 'the_permalink_rss' on the post permalink
+ */
function the_permalink_rss() {
- echo apply_filters('the_permalink_rss', get_permalink());
+ echo esc_url( apply_filters('the_permalink_rss', get_permalink() ));
+}
+/**
+ * Outputs the link to the comments for the current post in an xml safe way
+ *
+ * @since 3.0.0
+ * @return none
+ */
+function comments_link_feed() {
+ echo esc_url( get_comments_link() );
}
-function comment_link() {
- echo get_comment_link();
+/**
+ * Display the feed GUID for the current comment.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since unknown
+ *
+ * @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
+ */
+function comment_guid($comment_id = null) {
+ echo esc_url( get_comment_guid($comment_id) );
+}
+
+/**
+ * Retrieve the feed GUID for the current comment.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since unknown
+ *
+ * @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
+ * @return bool|string false on failure or guid for comment on success.
+ */
+function get_comment_guid($comment_id = null) {
+ $comment = get_comment($comment_id);
+
+ if ( !is_object($comment) )
+ return false;
+
+ return get_the_guid($comment->comment_post_ID) . '#comment-' . $comment->comment_ID;
}
+/**
+ * Display the link to the comments.
+ *
+ * @since 1.5.0
+ */
+function comment_link() {
+ echo esc_url( get_comment_link() );
+}
+/**
+ * Retrieve the current comment author for use in the feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.0.0
+ * @uses apply_filters() Calls 'comment_author_rss' hook on comment author.
+ * @uses get_comment_author()
+ *
+ * @return string Comment Author
+ */
function get_comment_author_rss() {
return apply_filters('comment_author_rss', get_comment_author() );
}
-
+/**
+ * Display the current comment author in the feed.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 1.0.0
+ */
function comment_author_rss() {
echo get_comment_author_rss();
}
-
+/**
+ * Display the current comment content for use in the feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 1.0.0
+ * @uses apply_filters() Calls 'comment_text_rss' filter on comment content.
+ * @uses get_comment_text()
+ */
function comment_text_rss() {
$comment_text = get_comment_text();
$comment_text = apply_filters('comment_text_rss', $comment_text);
echo $comment_text;
}
-
-function comments_rss_link($link_text = 'Comments RSS', $commentsrssfilename = 'nolongerused') {
- $url = get_post_comments_feed_link();
- echo "$link_text";
-}
-
-
-function comments_rss($commentsrssfilename = 'nolongerused') {
- return get_post_comments_feed_link();
-}
-
-
-function get_author_rss_link($echo = false, $author_id, $author_nicename) {
- $auth_ID = (int) $author_id;
- $permalink_structure = get_option('permalink_structure');
-
- if ( '' == $permalink_structure ) {
- $link = get_option('home') . '?feed=rss2&author=' . $author_id;
- } else {
- $link = get_author_posts_url($author_id, $author_nicename);
- $link = trailingslashit($link) . user_trailingslashit('feed', 'feed');
- }
-
- $link = apply_filters('author_feed_link', $link);
-
- if ( $echo )
- echo $link;
- return $link;
-}
-
-
-function get_category_rss_link($echo = false, $cat_ID, $category_nicename) {
- $permalink_structure = get_option('permalink_structure');
-
- if ( '' == $permalink_structure ) {
- $link = get_option('home') . '?feed=rss2&cat=' . $cat_ID;
- } else {
- $link = get_category_link($cat_ID);
- $link = trailingslashit($link) . user_trailingslashit('feed', 'feed');
- }
-
- $link = apply_filters('category_feed_link', $link);
-
- if ( $echo )
- echo $link;
- return $link;
-}
-
-
-function get_the_category_rss($type = 'rss') {
+/**
+ * Retrieve all of the post categories, formatted for use in feeds.
+ *
+ * All of the categories for the current post in the feed loop, will be
+ * retrieved and have feed markup added, so that they can easily be added to the
+ * RSS2, Atom, or RSS1 and RSS0.91 RDF feeds.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.1.0
+ * @uses apply_filters()
+ *
+ * @param string $type Optional, default is the type returned by get_default_feed().
+ * @return string All of the post categories for displaying in the feed.
+ */
+function get_the_category_rss($type = null) {
+ if ( empty($type) )
+ $type = get_default_feed();
$categories = get_the_category();
$tags = get_the_tags();
- $home = get_bloginfo_rss('home');
$the_list = '';
$cat_names = array();
@@ -169,47 +320,39 @@ function get_the_category_rss($type = 'rss') {
foreach ( $cat_names as $cat_name ) {
if ( 'rdf' == $type )
- $the_list .= "\n\t\t\n";
+ $the_list .= "\t\t\n";
elseif ( 'atom' == $type )
- $the_list .= sprintf( '', attribute_escape( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), attribute_escape( $cat_name ) );
+ $the_list .= sprintf( '', esc_attr( apply_filters( 'get_bloginfo_rss', get_bloginfo( 'url' ) ) ), esc_attr( $cat_name ) );
else
- $the_list .= "\n\t\t\n";
+ $the_list .= "\t\t\n";
}
return apply_filters('the_category_rss', $the_list, $type);
}
-
-function the_category_rss($type = 'rss') {
+/**
+ * Display the post categories in the feed.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 0.71
+ * @see get_the_category_rss() For better explanation.
+ *
+ * @param string $type Optional, default is the type returned by get_default_feed().
+ */
+function the_category_rss($type = null) {
echo get_the_category_rss($type);
}
-function get_tag_feed_link($tag_id, $feed = 'rss2') {
- $tag_id = (int) $tag_id;
-
- $tag = get_tag($tag_id);
-
- if ( empty($tag) || is_wp_error($tag) )
- return false;
-
- $permalink_structure = get_option('permalink_structure');
-
- if ( '' == $permalink_structure ) {
- $link = get_option('home') . "?feed=$feed&tag=" . $tag->slug;
- } else {
- $link = get_tag_link($tag->term_id);
- if ( 'rss2' == $feed )
- $feed_link = 'feed';
- else
- $feed_link = "feed/$feed";
- $link = $link . user_trailingslashit($feed_link, 'feed');
- }
-
- $link = apply_filters('tag_feed_link', $link, $feed);
-
- return $link;
-}
-
+/**
+ * Display the HTML type based on the blog setting.
+ *
+ * The two possible values are either 'xhtml' or 'html'.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.2.0
+ */
function html_type_rss() {
$type = get_bloginfo('html_type');
if (strpos($type, 'xhtml') !== false)
@@ -219,30 +362,67 @@ function html_type_rss() {
echo $type;
}
-
+/**
+ * Display the rss enclosure for the current post.
+ *
+ * Uses the global $post to check whether the post requires a password and if
+ * the user has the password for the post. If not then it will return before
+ * displaying.
+ *
+ * Also uses the function get_post_custom() to get the post's 'enclosure'
+ * metadata field and parses the value to display the enclosure(s). The
+ * enclosure(s) consist of enclosure HTML tag(s) with a URI and other
+ * attributes.
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 1.5.0
+ * @uses apply_filters() Calls 'rss_enclosure' hook on rss enclosure.
+ * @uses get_post_custom() To get the current post enclosure metadata.
+ */
function rss_enclosure() {
- global $id, $post;
- if ( !empty($post->post_password) && ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) )
+ if ( post_password_required() )
return;
- foreach (get_post_custom() as $key => $val) {
+ foreach ( (array) get_post_custom() as $key => $val) {
if ($key == 'enclosure') {
- foreach ((array)$val as $enc) {
- $enclosure = split("\n", $enc);
- echo apply_filters('rss_enclosure', '' . "\n");
+ foreach ( (array) $val as $enc ) {
+ $enclosure = explode("\n", $enc);
+
+ //only get the the first element eg, audio/mpeg from 'audio/mpeg mpga mp2 mp3'
+ $t = preg_split('/[ \t]/', trim($enclosure[2]) );
+ $type = $t[0];
+
+ echo apply_filters('rss_enclosure', '' . "\n");
}
}
}
}
+/**
+ * Display the atom enclosure for the current post.
+ *
+ * Uses the global $post to check whether the post requires a password and if
+ * the user has the password for the post. If not then it will return before
+ * displaying.
+ *
+ * Also uses the function get_post_custom() to get the post's 'enclosure'
+ * metadata field and parses the value to display the enclosure(s). The
+ * enclosure(s) consist of link HTML tag(s) with a URI and other attributes.
+ *
+ * @package WordPress
+ * @subpackage Template
+ * @since 2.2.0
+ * @uses apply_filters() Calls 'atom_enclosure' hook on atom enclosure.
+ * @uses get_post_custom() To get the current post enclosure metadata.
+ */
function atom_enclosure() {
- global $id, $post;
- if ( !empty($post->post_password) && ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) )
+ if ( post_password_required() )
return;
- foreach (get_post_custom() as $key => $val) {
+ foreach ( (array) get_post_custom() as $key => $val ) {
if ($key == 'enclosure') {
- foreach ((array)$val as $enc) {
+ foreach ( (array) $val as $enc ) {
$enclosure = split("\n", $enc);
echo apply_filters('atom_enclosure', '' . "\n");
}
@@ -250,4 +430,117 @@ function atom_enclosure() {
}
}
-?>
+/**
+ * Determine the type of a string of data with the data formatted.
+ *
+ * Tell whether the type is text, html, or xhtml, per RFC 4287 section 3.1.
+ *
+ * In the case of WordPress, text is defined as containing no markup,
+ * xhtml is defined as "well formed", and html as tag soup (i.e., the rest).
+ *
+ * Container div tags are added to xhtml values, per section 3.1.1.3.
+ *
+ * @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.5
+ *
+ * @param string $data Input string
+ * @return array array(type, value)
+ */
+function prep_atom_text_construct($data) {
+ if (strpos($data, '<') === false && strpos($data, '&') === false) {
+ return array('text', $data);
+ }
+
+ $parser = xml_parser_create();
+ xml_parse($parser, '
' . $data . '
', true);
+ $code = xml_get_error_code($parser);
+ xml_parser_free($parser);
+
+ if (!$code) {
+ if (strpos($data, '<') === false) {
+ return array('text', $data);
+ } else {
+ $data = "$data
";
+ return array('xhtml', $data);
+ }
+ }
+
+ if (strpos($data, ']]>') == false) {
+ return array('html', "");
+ } else {
+ return array('html', htmlspecialchars($data));
+ }
+}
+
+/**
+ * Display the link for the currently displayed feed in a XSS safe way.
+ *
+ * Generate a correct link for the atom:self element.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.5
+ */
+function self_link() {
+ $host = @parse_url(home_url());
+ $host = $host['host'];
+ echo esc_url(
+ 'http'
+ . ( (isset($_SERVER['https']) && $_SERVER['https'] == 'on') ? 's' : '' ) . '://'
+ . $host
+ . stripslashes($_SERVER['REQUEST_URI'])
+ );
+}
+
+/**
+ * Return the content type for specified feed type.
+ *
+ * @package WordPress
+ * @subpackage Feed
+ * @since 2.8.0
+ */
+function feed_content_type( $type = '' ) {
+ if ( empty($type) )
+ $type = get_default_feed();
+
+ $types = array(
+ 'rss' => 'application/rss+xml',
+ 'rss2' => 'application/rss+xml',
+ 'rss-http' => 'text/xml',
+ 'atom' => 'application/atom+xml',
+ 'rdf' => 'application/rdf+xml'
+ );
+
+ $content_type = ( !empty($types[$type]) ) ? $types[$type] : 'application/octet-stream';
+
+ return apply_filters( 'feed_content_type', $content_type, $type );
+}
+
+/**
+ * Build SimplePie object based on RSS or Atom feed from URL.
+ *
+ * @since 2.8
+ *
+ * @param string $url URL to retrieve feed
+ * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success
+ */
+function fetch_feed($url) {
+ require_once (ABSPATH . WPINC . '/class-feed.php');
+
+ $feed = new SimplePie();
+ $feed->set_feed_url($url);
+ $feed->set_cache_class('WP_Feed_Cache');
+ $feed->set_file_class('WP_SimplePie_File');
+ $feed->set_cache_duration(apply_filters('wp_feed_cache_transient_lifetime', 43200, $url));
+ do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
+ $feed->init();
+ $feed->handle_content_type();
+
+ if ( $feed->error() )
+ return new WP_Error('simplepie-error', $feed->error());
+
+ return $feed;
+}