X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..refs/tags/wordpress-4.3:/wp-includes/feed.php
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index 4cf5e676..f40f41a6 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -1,90 +1,285 @@
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 $title;
}
-function wp_title_rss($sep = '»') {
- echo apply_filters('wp_title_rss', get_wp_title_rss($sep));
+/**
+ * Display the blog title for display of the feed title.
+ *
+ * @since 2.2.0
+ * @see wp_title() $sep parameter usage.
+ *
+ * @param string $sep Optional.
+ */
+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.
+ *
+ * @since 2.0.0
+ *
+ * @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.
+ *
+ * @since 0.71
+ */
function the_title_rss() {
echo get_the_title_rss();
}
+/**
+ * Retrieve the post content for feeds.
+ *
+ * @since 2.9.0
+ * @see get_the_content()
+ *
+ * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
+ * @return string The filtered content.
+ */
+function get_the_content_feed($feed_type = null) {
+ if ( !$feed_type )
+ $feed_type = get_default_feed();
-function the_content_rss($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;
- }
- 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
+ *
+ * @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.
+ *
+ * @since 0.71
+ */
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.
+ *
+ * @since 2.3.0
+ */
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() ) );
}
-function comment_guid() {
- echo get_comment_guid();
+/**
+ * Display the feed GUID for the current comment.
+ *
+ * @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 esc_url( get_comment_guid($comment_id) );
}
-function get_comment_guid() {
- global $comment;
+/**
+ * Retrieve the feed GUID for the current comment.
+ *
+ * @since 2.5.0
+ *
+ * @param int|object $comment_id Optional comment object or id. Defaults to global comment object.
+ * @return false|string false on failure or guid for comment on success.
+ */
+function get_comment_guid($comment_id = null) {
+ $comment = get_comment($comment_id);
if ( !is_object($comment) )
return false;
@@ -92,25 +287,86 @@ function get_comment_guid() {
return get_the_guid($comment->comment_post_ID) . '#comment-' . $comment->comment_ID;
}
+/**
+ * Display the link to the comments.
+ *
+ * @since 1.5.0
+ */
function comment_link() {
- echo 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.
+ *
+ * @since 2.0.0
+ *
+ * @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.
+ *
+ * @since 1.0.0
+ */
function comment_author_rss() {
echo get_comment_author_rss();
}
+/**
+ * Display the current comment content for use in the feeds.
+ *
+ * @since 1.0.0
+ */
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 $comment_text;
}
-function get_the_category_rss($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.
+ *
+ * @since 2.1.0
+ *
+ * @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();
$the_list = '';
@@ -132,20 +388,44 @@ function get_the_category_rss($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, $type );
}
-function the_category_rss($type = 'rss') {
+/**
+ * Display the post categories in the 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);
}
+/**
+ * Display the HTML type based on the blog setting.
+ *
+ * The two possible values are either 'xhtml' or 'html'.
+ *
+ * @since 2.2.0
+ */
function html_type_rss() {
$type = get_bloginfo('html_type');
if (strpos($type, 'xhtml') !== false)
@@ -155,39 +435,82 @@ 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.
+ *
+ * @since 1.5.0
+ */
function rss_enclosure() {
- global $post;
- if ( !empty($post->post_password) && (!isset($_COOKIE['wp-postpass_'.COOKIEHASH]) || $_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 first element, e.g. audio/mpeg from 'audio/mpeg mpga mp2 mp3'
+ $t = preg_split('/[ \t]/', trim($enclosure[2]) );
+ $type = $t[0];
+
+ /**
+ * 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" );
}
}
}
}
+/**
+ * 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.
+ *
+ * @since 2.2.0
+ */
function atom_enclosure() {
- global $post;
- if ( !empty($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('atom_enclosure', '' . "\n");
+ foreach ( (array) $val as $enc ) {
+ $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" );
}
}
}
}
/**
- * prep_atom_text_construct() - Determine the type of a given string of data
+ * 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.
*
@@ -198,12 +521,10 @@ 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 $result array(type, value)
+ * @param string $data Input string
+ * @return array array(type, value)
*/
function prep_atom_text_construct($data) {
if (strpos($data, '<') === false && strpos($data, '&') === false) {
@@ -224,7 +545,7 @@ function prep_atom_text_construct($data) {
}
}
- if (strpos($data, ']]>') == false) {
+ if (strpos($data, ']]>') === false) {
return array('html', "");
} else {
return array('html', htmlspecialchars($data));
@@ -232,20 +553,138 @@ function prep_atom_text_construct($data) {
}
/**
- * self_link() - Generate a correct link for the atom:self elemet
+ * Displays Site Icon in atom feeds.
*
- * Echo the link for the currently displayed feed in a XSS safe way.
+ * @since 4.3.0
*
- * @package WordPress
- * @subpackage Feed
- * @since 2.5
+ * @see get_site_icon_url()
+ */
+function atom_site_icon() {
+ $url = get_site_icon_url( 32 );
+ if ( $url ) {
+ echo "$url\n";
+ }
+}
+
+/**
+ * Displays Site Icon in RSS2.
+ *
+ * @since 4.3.0
+ */
+function rss2_site_icon() {
+ $rss_title = get_wp_title_rss();
+ if ( empty( $rss_title ) ) {
+ $rss_title = get_bloginfo_rss( 'name' );
+ }
+
+ $url = get_site_icon_url( 32 );
+ if ( $url ) {
+ echo '
+
+ ' . convert_chars( $url ) . '
+ ' . $rss_title . '
+ ' . get_bloginfo_rss( 'url' ) . '
+ 32
+ 32
+ ' . "\n";
+ }
+}
+
+/**
+ * Display the link for the currently displayed feed in a XSS safe way.
*
+ * Generate a correct link for the atom:self element.
+ *
+ * @since 2.5.0
*/
function self_link() {
- echo 'http'
- . ( $_SERVER['https'] == 'on' ? 's' : '' ) . '://'
- . $_SERVER['HTTP_HOST']
- . wp_specialchars(stripslashes($_SERVER['REQUEST_URI']), 1);
+ $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->set_output_encoding( get_option( 'blog_charset' ) );
+ $feed->handle_content_type();
+
+ if ( $feed->error() )
+ return new WP_Error( 'simplepie-error', $feed->error() );
+
+ return $feed;
+}