X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/11be8dc178e77d0b46189bbd8e33a216a9b90942..9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f:/wp-includes/feed.php
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index ad730f38..560dc61e 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -16,10 +16,7 @@
* Everything will be stripped of tags and characters converted, when the values
* are retrieved for use in the feeds.
*
- * @package WordPress
- * @subpackage Feed
* @since 1.5.1
- * @uses apply_filters() Calls 'get_bloginfo_rss' hook with two parameters.
* @see get_bloginfo() For the list of possible values to display.
*
* @param string $show See get_bloginfo() for possible values.
@@ -27,7 +24,18 @@
*/
function get_bloginfo_rss($show = '') {
$info = strip_tags(get_bloginfo($show));
- return apply_filters('get_bloginfo_rss', convert_chars($info), $show);
+ /**
+ * Filter the bloginfo for use in RSS feeds.
+ *
+ * @since 2.2.0
+ *
+ * @see convert_chars()
+ * @see get_bloginfo()
+ *
+ * @param string $info Converted string value of the blog information.
+ * @param string $show The type of blog information to retrieve.
+ */
+ return apply_filters( 'get_bloginfo_rss', convert_chars( $info ), $show );
}
/**
@@ -37,16 +45,23 @@ function get_bloginfo_rss($show = '') {
* Everything will be stripped of tags and characters converted, when the values
* are retrieved for use in the feeds.
*
- * @package WordPress
- * @subpackage Feed
* @since 0.71
- * @uses apply_filters() Calls 'bloginfo_rss' hook with two parameters.
* @see get_bloginfo() For the list of possible values to display.
*
* @param string $show See get_bloginfo() for possible values.
*/
function bloginfo_rss($show = '') {
- echo apply_filters('bloginfo_rss', get_bloginfo_rss($show), $show);
+ /**
+ * Filter the bloginfo for display in RSS feeds.
+ *
+ * @since 2.1.0
+ *
+ * @see get_bloginfo()
+ *
+ * @param string $rss_container RSS container for the blog information.
+ * @param string $show The type of blog information to retrieve.
+ */
+ echo apply_filters( 'bloginfo_rss', get_bloginfo_rss( $show ), $show );
}
/**
@@ -55,73 +70,100 @@ function bloginfo_rss($show = '') {
* The default feed is 'rss2', unless a plugin changes it through the
* 'default_feed' filter.
*
- * @package WordPress
- * @subpackage Feed
- * @since 2.5
+ * @since 2.5.0
* @uses apply_filters() Calls 'default_feed' hook on the default feed string.
*
* @return string Default feed, or for example 'rss2', 'atom', etc.
*/
function get_default_feed() {
- return apply_filters('default_feed', 'rss2');
+ /**
+ * Filter the default feed type.
+ *
+ * @since 2.5.0
+ *
+ * @param string $feed_type Type of default feed. Possible values include 'rss2', 'atom'.
+ * Default 'rss2'.
+ */
+ $default_feed = apply_filters( 'default_feed', 'rss2' );
+ return 'rss' == $default_feed ? 'rss2' : $default_feed;
}
/**
* Retrieve the blog title for the feed title.
*
- * @package WordPress
- * @subpackage Feed
* @since 2.2.0
- * @uses apply_filters() Calls 'get_wp_title_rss' hook on title.
- * @uses wp_title() See function for $sep parameter usage.
*
- * @param string $sep Optional.How to separate the title. See wp_title() for more info.
+ * @param string $sep Optional. How to separate the title. See wp_title() for more info.
* @return string Error message on failure or blog title on success.
*/
-function get_wp_title_rss($sep = '»') {
- $title = wp_title($sep, false);
- if ( is_wp_error( $title ) )
+function get_wp_title_rss( $sep = '»' ) {
+ $title = wp_title( $sep, false );
+
+ if ( is_wp_error( $title ) ) {
return $title->get_error_message();
- $title = apply_filters('get_wp_title_rss', $title);
+ }
+
+ if ( $title && $sep && ' ' !== substr( $title, 0, 1 ) ) {
+ $title = " $sep " . $title;
+ }
+
+ /**
+ * Filter the blog title for use as the feed title.
+ *
+ * @since 2.2.0
+ *
+ * @param string $title The current blog title.
+ * @param string $sep Separator used by wp_title().
+ */
+ $title = apply_filters( 'get_wp_title_rss', $title, $sep );
return $title;
}
/**
* Display the blog title for display of the feed title.
*
- * @package WordPress
- * @subpackage Feed
* @since 2.2.0
- * @uses apply_filters() Calls 'wp_title_rss' on the blog title.
* @see wp_title() $sep parameter usage.
*
* @param string $sep Optional.
*/
-function wp_title_rss($sep = '»') {
- echo apply_filters('wp_title_rss', get_wp_title_rss($sep));
+function wp_title_rss( $sep = '»' ) {
+ /**
+ * Filter the blog title for display of the feed title.
+ *
+ * @since 2.2.0
+ *
+ * @see get_wp_title_rss()
+ *
+ * @param string $wp_title The current blog title.
+ * @param string $sep Separator used by wp_title().
+ */
+ echo apply_filters( 'wp_title_rss', get_wp_title_rss( $sep ), $sep );
}
/**
* Retrieve the current post title for the feed.
*
- * @package WordPress
- * @subpackage Feed
* @since 2.0.0
- * @uses apply_filters() Calls 'the_title_rss' on the post title.
*
* @return string Current post title.
*/
function get_the_title_rss() {
$title = get_the_title();
- $title = apply_filters('the_title_rss', $title);
+ /**
+ * Filter the post title for use in a feed.
+ *
+ * @since 1.2.0
+ *
+ * @param string $title The current post title.
+ */
+ $title = apply_filters( 'the_title_rss', $title );
return $title;
}
/**
* Display the post title in the feed.
*
- * @package WordPress
- * @subpackage Feed
* @since 0.71
* @uses get_the_title_rss() Used to retrieve current post title.
*/
@@ -130,112 +172,112 @@ function the_title_rss() {
}
/**
- * Display the post content for the feed.
+ * Retrieve the post content for feeds.
*
- * For encoding the html or the $encode_html parameter, there are three possible
- * values. '0' will make urls footnotes and use make_url_footnote(). '1' will
- * encode special characters and automatically display all of the content. The
- * value of '2' will strip all HTML tags from the content.
+ * @since 2.9.0
+ * @see get_the_content()
*
- * Also note that you cannot set the amount of words and not set the html
- * encoding. If that is the case, then the html encoding will default to 2,
- * which will strip all HTML tags.
- *
- * To restrict the amount of words of the content, you can use the cut
- * parameter. If the content is less than the amount, then there won't be any
- * dots added to the end. If there is content left over, then dots will be added
- * and the rest of the content will be removed.
- *
- * @package WordPress
- * @subpackage Feed
- * @since 0.71
- * @uses apply_filters() Calls 'the_content_rss' on the content before processing.
- * @see get_the_content() For the $more_link_text, $stripteaser, and $more_file
- * parameters.
- *
- * @param string $more_link_text Optional. Text to display when more content is available but not displayed.
- * @param int|bool $stripteaser Optional. Default is 0.
- * @param string $more_file Optional.
- * @param int $cut Optional. Amount of words to keep for the content.
- * @param int $encode_html Optional. How to encode the content.
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ * @return string The filtered content.
*/
-function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
- $content = get_the_content($more_link_text, $stripteaser, $more_file);
- $content = apply_filters('the_content_rss', $content);
- if ( $cut && !$encode_html )
- $encode_html = 2;
- if ( 1== $encode_html ) {
- $content = wp_specialchars($content);
- $cut = 0;
- } elseif ( 0 == $encode_html ) {
- $content = make_url_footnote($content);
- } elseif ( 2 == $encode_html ) {
- $content = strip_tags($content);
- }
- if ( $cut ) {
- $blah = explode(' ', $content);
- if ( count($blah) > $cut ) {
- $k = $cut;
- $use_dotdotdot = 1;
- } else {
- $k = count($blah);
- $use_dotdotdot = 0;
- }
+function get_the_content_feed($feed_type = null) {
+ if ( !$feed_type )
+ $feed_type = get_default_feed();
- /** @todo Check performance, might be faster to use array slice instead. */
- for ( $i=0; $i<$k; $i++ )
- $excerpt .= $blah[$i].' ';
- $excerpt .= ($use_dotdotdot) ? '...' : '';
- $content = $excerpt;
- }
+ /** This filter is documented in wp-includes/post-template.php */
+ $content = apply_filters( 'the_content', get_the_content() );
$content = str_replace(']]>', ']]>', $content);
- echo $content;
+ /**
+ * Filter the post content for use in feeds.
+ *
+ * @since 2.9.0
+ *
+ * @param string $content The current post content.
+ * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'.
+ * Default 'rss2'.
+ */
+ return apply_filters( 'the_content_feed', $content, $feed_type );
+}
+
+/**
+ * Display the post content for feeds.
+ *
+ * @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($feed_type);
}
/**
* 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);
+ /**
+ * Filter the post excerpt for a feed.
+ *
+ * @since 1.2.0
+ *
+ * @param string $output The current post 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());
+ /**
+ * Filter the permalink to the post for use in feeds.
+ *
+ * @since 2.3.0
+ *
+ * @param string $post_permalink The current post 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() {
+ /**
+ * Filter the comments permalink for the current post.
+ *
+ * @since 3.6.0
+ *
+ * @param string $comment_permalink The current comment permalink with
+ * '#comments' appended.
+ */
+ echo esc_url( apply_filters( 'comments_link_feed', get_comments_link() ) );
}
/**
* Display the feed GUID for the current comment.
*
- * @package WordPress
- * @subpackage Feed
- * @since unknown
+ * @since 2.5.0
*
* @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
*/
function comment_guid($comment_id = null) {
- echo get_comment_guid($comment_id);
+ echo esc_url( get_comment_guid($comment_id) );
}
/**
* Retrieve the feed GUID for the current comment.
*
- * @package WordPress
- * @subpackage Feed
- * @since unknown
+ * @since 2.5.0
*
* @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
* @return bool|string false on failure or guid for comment on success.
@@ -255,29 +297,42 @@ function get_comment_guid($comment_id = null) {
* @since 1.5.0
*/
function comment_link() {
- echo clean_url( get_comment_link() );
+ /**
+ * Filter the current comment's permalink.
+ *
+ * @since 3.6.0
+ *
+ * @see get_comment_link()
+ *
+ * @param string $comment_permalink The current comment permalink.
+ */
+ echo esc_url( apply_filters( 'comment_link', 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() );
+ /**
+ * Filter the current comment author for use in a feed.
+ *
+ * @since 1.5.0
+ *
+ * @see get_comment_author()
+ *
+ * @param string $comment_author The current comment author.
+ */
+ 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() {
@@ -287,15 +342,19 @@ function 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);
+ /**
+ * Filter the current comment content for use in a feed.
+ *
+ * @since 1.5.0
+ *
+ * @param string $comment_text The content of the current comment.
+ */
+ $comment_text = apply_filters( 'comment_text_rss', $comment_text );
echo $comment_text;
}
@@ -306,15 +365,14 @@ function comment_text_rss() {
* 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 'rss'. Either 'rss', 'atom', or 'rdf'.
+ * @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 = 'rss') {
+function get_the_category_rss($type = null) {
+ if ( empty($type) )
+ $type = get_default_feed();
$categories = get_the_category();
$tags = get_the_tags();
$the_list = '';
@@ -336,27 +394,34 @@ function get_the_category_rss($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( get_bloginfo_rss( '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);
+ /**
+ * Filter all of the post categories for display in a feed.
+ *
+ * @since 1.2.0
+ *
+ * @param string $the_list All of the RSS post categories.
+ * @param string $type Type of feed. Possible values include 'rss2', 'atom'.
+ * Default 'rss2'.
+ */
+ return apply_filters( 'the_category_rss', $the_list, $type );
}
/**
* 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 'rss'. Either 'rss', 'atom', or 'rdf'.
+ * @param string $type Optional, default is the type returned by get_default_feed().
*/
-function the_category_rss($type = 'rss') {
+function the_category_rss($type = null) {
echo get_the_category_rss($type);
}
@@ -365,8 +430,6 @@ function the_category_rss($type = 'rss') {
*
* The two possible values are either 'xhtml' or 'html'.
*
- * @package WordPress
- * @subpackage Feed
* @since 2.2.0
*/
function html_type_rss() {
@@ -390,10 +453,7 @@ function html_type_rss() {
* 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() {
@@ -403,13 +463,20 @@ function rss_enclosure() {
foreach ( (array) get_post_custom() as $key => $val) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
- $enclosure = split("\n", $enc);
+ $enclosure = explode("\n", $enc);
- //only get the the first element eg, audio/mpeg from 'audio/mpeg mpga mp2 mp3'
- $t = split('[ \t]', trim($enclosure[2]) );
+ // only get the first element, e.g. audio/mpeg from 'audio/mpeg mpga mp2 mp3'
+ $t = preg_split('/[ \t]/', trim($enclosure[2]) );
$type = $t[0];
- echo apply_filters('rss_enclosure', '' . "\n");
+ /**
+ * Filter the RSS enclosure HTML link tag for the current post.
+ *
+ * @since 2.2.0
+ *
+ * @param string $html_link_tag The HTML link tag with a URI and other attributes.
+ */
+ echo apply_filters( 'rss_enclosure', '' . "\n" );
}
}
}
@@ -426,10 +493,7 @@ function rss_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() {
@@ -439,8 +503,15 @@ function atom_enclosure() {
foreach ( (array) get_post_custom() as $key => $val ) {
if ($key == 'enclosure') {
foreach ( (array) $val as $enc ) {
- $enclosure = split("\n", $enc);
- echo apply_filters('atom_enclosure', '' . "\n");
+ $enclosure = explode("\n", $enc);
+ /**
+ * Filter the atom enclosure HTML link tag for the current post.
+ *
+ * @since 2.2.0
+ *
+ * @param string $html_link_tag The HTML link tag with a URI and other attributes.
+ */
+ echo apply_filters( 'atom_enclosure', '' . "\n" );
}
}
}
@@ -458,9 +529,7 @@ function atom_enclosure() {
*
* @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
*
- * @package WordPress
- * @subpackage Feed
- * @since 2.5
+ * @since 2.5.0
*
* @param string $data Input string
* @return array array(type, value)
@@ -496,19 +565,95 @@ function prep_atom_text_construct($data) {
*
* Generate a correct link for the atom:self element.
*
- * @package WordPress
- * @subpackage Feed
- * @since 2.5
+ * @since 2.5.0
*/
function self_link() {
- $host = @parse_url(get_option('home'));
- $host = $host['host'];
- echo clean_url(
- 'http'
- . ( (isset($_SERVER['https']) && $_SERVER['https'] == 'on') ? 's' : '' ) . '://'
- . $host
- . stripslashes($_SERVER['REQUEST_URI'])
- );
+ $host = @parse_url(home_url());
+ /**
+ * Filter the current feed URL.
+ *
+ * @since 3.6.0
+ *
+ * @see set_url_scheme()
+ * @see wp_unslash()
+ *
+ * @param string $feed_link The link for the feed with set URL scheme.
+ */
+ echo esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
}
-?>
+/**
+ * Return the content type for specified feed type.
+ *
+ * @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';
+
+ /**
+ * Filter the content type for a specific feed type.
+ *
+ * @since 2.8.0
+ *
+ * @param string $content_type Content type indicating the type of data that a feed contains.
+ * @param string $type Type of feed. Possible values include 'rss2', 'atom'.
+ * Default 'rss2'.
+ */
+ return apply_filters( 'feed_content_type', $content_type, $type );
+}
+
+/**
+ * Build SimplePie object based on RSS or Atom feed from URL.
+ *
+ * @since 2.8.0
+ *
+ * @param mixed $url URL of feed to retrieve. If an array of URLs, the feeds are merged
+ * using SimplePie's multifeed feature.
+ * See also {@link âhttp://simplepie.org/wiki/faq/typical_multifeed_gotchas}
+ *
+ * @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_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
+ // We must manually overwrite $feed->sanitize because SimplePie's
+ // constructor sets it before we have a chance to set the sanitization class
+ $feed->sanitize = new WP_SimplePie_Sanitize_KSES();
+
+ $feed->set_cache_class( 'WP_Feed_Cache' );
+ $feed->set_file_class( 'WP_SimplePie_File' );
+
+ $feed->set_feed_url( $url );
+ /** This filter is documented in wp-includes/class-feed.php */
+ $feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
+ /**
+ * Fires just before processing the SimplePie feed object.
+ *
+ * @since 3.0.0
+ *
+ * @param object &$feed SimplePie feed object, passed by reference.
+ * @param mixed $url URL of feed to retrieve. If an array of URLs, the feeds are merged.
+ */
+ do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
+ $feed->init();
+ $feed->handle_content_type();
+
+ if ( $feed->error() )
+ return new WP_Error( 'simplepie-error', $feed->error() );
+
+ return $feed;
+}