1620 lines
39 KiB
PHP
1620 lines
39 KiB
PHP
<?php
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/**
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* Atom Publishing Protocol support for WordPress
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*
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* @author Original by Elias Torres <http://torrez.us/archives/2006/08/31/491/>
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* @author Modified by Dougal Campbell <http://dougal.gunters.org/>
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* @version 1.0.5-dc
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*/
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/**
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* WordPress is handling an Atom Publishing Protocol request.
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*
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* @var bool
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*/
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define('APP_REQUEST', true);
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/** Set up WordPress environment */
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require_once('./wp-load.php');
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/** Post Template API */
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require_once(ABSPATH . WPINC . '/post-template.php');
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/** Atom Publishing Protocol Class */
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require_once(ABSPATH . WPINC . '/atomlib.php');
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/** Feed Handling API */
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require_once(ABSPATH . WPINC . '/feed.php');
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$_SERVER['PATH_INFO'] = preg_replace( '/.*\/wp-app\.php/', '', $_SERVER['REQUEST_URI'] );
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/**
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* Whether to enable Atom Publishing Protocol Logging.
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*
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* @name app_logging
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* @var int|bool
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*/
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$app_logging = 0;
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/**
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* Whether to always authenticate user. Permanently set to true.
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*
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* @name always_authenticate
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* @var int|bool
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* @todo Should be an option somewhere
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*/
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$always_authenticate = 1;
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/**
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* Writes logging info to a file.
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*
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* @since 2.2.0
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* @uses $app_logging
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* @package WordPress
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* @subpackage Logging
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*
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* @param string $label Type of logging
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* @param string $msg Information describing logging reason.
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*/
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function log_app($label,$msg) {
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global $app_logging;
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if ($app_logging) {
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$fp = fopen( 'wp-app.log', 'a+');
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$date = gmdate( 'Y-m-d H:i:s' );
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fwrite($fp, "\n\n$date - $label\n$msg\n");
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fclose($fp);
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}
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}
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if ( !function_exists('wp_set_current_user') ) :
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/**
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* @ignore
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*/
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function wp_set_current_user($id, $name = '') {
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global $current_user;
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if ( isset($current_user) && ($id == $current_user->ID) )
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return $current_user;
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$current_user = new WP_User($id, $name);
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return $current_user;
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}
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endif;
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/**
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* Filter to add more post statuses.
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*
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* @since 2.2.0
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*
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* @param string $where SQL statement to filter.
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* @return string Filtered SQL statement with added post_status for where clause.
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*/
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function wa_posts_where_include_drafts_filter($where) {
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$where = str_replace("post_status = 'publish'","post_status = 'publish' OR post_status = 'future' OR post_status = 'draft' OR post_status = 'inherit'", $where);
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return $where;
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}
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add_filter('posts_where', 'wa_posts_where_include_drafts_filter');
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/**
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* WordPress AtomPub API implementation.
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*
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* @package WordPress
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* @subpackage Publishing
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* @since 2.2.0
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*/
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class AtomServer {
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/**
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* ATOM content type.
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*
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* @since 2.2.0
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* @var string
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*/
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var $ATOM_CONTENT_TYPE = 'application/atom+xml';
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/**
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* Categories ATOM content type.
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*
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* @since 2.2.0
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* @var string
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*/
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var $CATEGORIES_CONTENT_TYPE = 'application/atomcat+xml';
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/**
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* Service ATOM content type.
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*
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* @since 2.3.0
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* @var string
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*/
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var $SERVICE_CONTENT_TYPE = 'application/atomsvc+xml';
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/**
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* ATOM XML namespace.
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*
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* @since 2.3.0
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* @var string
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*/
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var $ATOM_NS = 'http://www.w3.org/2005/Atom';
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/**
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* ATOMPUB XML namespace.
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*
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* @since 2.3.0
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* @var string
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*/
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var $ATOMPUB_NS = 'http://www.w3.org/2007/app';
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/**
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* Entries path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $ENTRIES_PATH = "posts";
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/**
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* Categories path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $CATEGORIES_PATH = "categories";
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/**
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* Media path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $MEDIA_PATH = "attachments";
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/**
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* Entry path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $ENTRY_PATH = "post";
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/**
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* Service path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $SERVICE_PATH = "service";
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/**
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* Media single path.
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*
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* @since 2.2.0
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* @var string
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*/
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var $MEDIA_SINGLE_PATH = "attachment";
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/**
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* ATOMPUB parameters.
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*
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* @since 2.2.0
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* @var array
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*/
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var $params = array();
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/**
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* Supported ATOMPUB media types.
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*
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* @since 2.3.0
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* @var array
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*/
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var $media_content_types = array('image/*','audio/*','video/*');
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/**
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* ATOMPUB content type(s).
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*
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* @since 2.2.0
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* @var array
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*/
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var $atom_content_types = array('application/atom+xml');
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/**
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* ATOMPUB methods.
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*
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* @since 2.2.0
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* @var unknown_type
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*/
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var $selectors = array();
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/**
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* Whether to do output.
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*
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* Support for head.
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*
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* @since 2.2.0
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* @var bool
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*/
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var $do_output = true;
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/**
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* PHP4 constructor - Sets up object properties.
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*
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* @since 2.2.0
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* @return AtomServer
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*/
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function AtomServer() {
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$this->script_name = array_pop(explode('/',$_SERVER['SCRIPT_NAME']));
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$this->app_base = get_bloginfo('url') . '/' . $this->script_name . '/';
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if ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) {
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$this->app_base = preg_replace( '/^http:\/\//', 'https://', $this->app_base );
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}
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$this->selectors = array(
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'@/service$@' =>
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array('GET' => 'get_service'),
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'@/categories$@' =>
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array('GET' => 'get_categories_xml'),
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'@/post/(\d+)$@' =>
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array('GET' => 'get_post',
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'PUT' => 'put_post',
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'DELETE' => 'delete_post'),
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'@/posts/?(\d+)?$@' =>
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array('GET' => 'get_posts',
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'POST' => 'create_post'),
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'@/attachments/?(\d+)?$@' =>
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array('GET' => 'get_attachment',
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'POST' => 'create_attachment'),
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'@/attachment/file/(\d+)$@' =>
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array('GET' => 'get_file',
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'PUT' => 'put_file',
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'DELETE' => 'delete_file'),
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'@/attachment/(\d+)$@' =>
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array('GET' => 'get_attachment',
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'PUT' => 'put_attachment',
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'DELETE' => 'delete_attachment'),
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);
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}
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/**
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* Handle ATOMPUB request.
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*
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* @since 2.2.0
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*/
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function handle_request() {
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global $always_authenticate;
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if( !empty( $_SERVER['ORIG_PATH_INFO'] ) )
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$path = $_SERVER['ORIG_PATH_INFO'];
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else
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$path = $_SERVER['PATH_INFO'];
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$method = $_SERVER['REQUEST_METHOD'];
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log_app('REQUEST',"$method $path\n================");
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$this->process_conditionals();
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//$this->process_conditionals();
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// exception case for HEAD (treat exactly as GET, but don't output)
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if($method == 'HEAD') {
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$this->do_output = false;
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$method = 'GET';
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}
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// redirect to /service in case no path is found.
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if(strlen($path) == 0 || $path == '/') {
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$this->redirect($this->get_service_url());
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}
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// check to see if AtomPub is enabled
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if( !get_option( 'enable_app' ) )
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$this->forbidden( sprintf( __( 'AtomPub services are disabled on this blog. An admin user can enable them at %s' ), admin_url('options-writing.php') ) );
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// dispatch
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foreach($this->selectors as $regex => $funcs) {
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if(preg_match($regex, $path, $matches)) {
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if(isset($funcs[$method])) {
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// authenticate regardless of the operation and set the current
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// user. each handler will decide if auth is required or not.
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if(!$this->authenticate()) {
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if ($always_authenticate) {
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$this->auth_required('Credentials required.');
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}
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}
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array_shift($matches);
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call_user_func_array(array(&$this,$funcs[$method]), $matches);
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exit();
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} else {
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// only allow what we have handlers for...
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$this->not_allowed(array_keys($funcs));
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}
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}
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}
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// oops, nothing found
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$this->not_found();
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}
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/**
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* Retrieve XML for ATOMPUB service.
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*
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* @since 2.2.0
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*/
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function get_service() {
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log_app('function','get_service()');
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if( !current_user_can( 'edit_posts' ) )
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$this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) );
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$entries_url = attribute_escape($this->get_entries_url());
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$categories_url = attribute_escape($this->get_categories_url());
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$media_url = attribute_escape($this->get_attachments_url());
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foreach ($this->media_content_types as $med) {
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$accepted_media_types = $accepted_media_types . "<accept>" . $med . "</accept>";
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}
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$atom_prefix="atom";
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$atom_blogname=get_bloginfo('name');
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$service_doc = <<<EOD
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<service xmlns="$this->ATOMPUB_NS" xmlns:$atom_prefix="$this->ATOM_NS">
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<workspace>
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<$atom_prefix:title>$atom_blogname Workspace</$atom_prefix:title>
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<collection href="$entries_url">
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<$atom_prefix:title>$atom_blogname Posts</$atom_prefix:title>
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<accept>$this->ATOM_CONTENT_TYPE;type=entry</accept>
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<categories href="$categories_url" />
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</collection>
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<collection href="$media_url">
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<$atom_prefix:title>$atom_blogname Media</$atom_prefix:title>
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$accepted_media_types
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</collection>
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</workspace>
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</service>
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EOD;
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$this->output($service_doc, $this->SERVICE_CONTENT_TYPE);
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}
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/**
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* Retrieve categories list in XML format.
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*
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* @since 2.2.0
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*/
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function get_categories_xml() {
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log_app('function','get_categories_xml()');
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if( !current_user_can( 'edit_posts' ) )
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$this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) );
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$home = attribute_escape(get_bloginfo_rss('home'));
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$categories = "";
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$cats = get_categories("hierarchical=0&hide_empty=0");
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foreach ((array) $cats as $cat) {
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$categories .= " <category term=\"" . attribute_escape($cat->name) . "\" />\n";
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}
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$output = <<<EOD
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<app:categories xmlns:app="$this->ATOMPUB_NS"
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xmlns="$this->ATOM_NS"
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fixed="yes" scheme="$home">
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$categories
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</app:categories>
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EOD;
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$this->output($output, $this->CATEGORIES_CONTENT_TYPE);
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}
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/**
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* Create new post.
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*
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* @since 2.2.0
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*/
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function create_post() {
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global $blog_id, $user_ID;
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$this->get_accepted_content_type($this->atom_content_types);
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$parser = new AtomParser();
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if(!$parser->parse()) {
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$this->client_error();
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}
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$entry = array_pop($parser->feed->entries);
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log_app('Received entry:', print_r($entry,true));
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$catnames = array();
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foreach($entry->categories as $cat)
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array_push($catnames, $cat["term"]);
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$wp_cats = get_categories(array('hide_empty' => false));
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$post_category = array();
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foreach($wp_cats as $cat) {
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if(in_array($cat->name, $catnames))
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array_push($post_category, $cat->term_id);
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}
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$publish = (isset($entry->draft) && trim($entry->draft) == 'yes') ? false : true;
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$cap = ($publish) ? 'publish_posts' : 'edit_posts';
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if(!current_user_can($cap))
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$this->auth_required(__('Sorry, you do not have the right to edit/publish new posts.'));
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$blog_ID = (int ) $blog_id;
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$post_status = ($publish) ? 'publish' : 'draft';
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$post_author = (int) $user_ID;
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$post_title = $entry->title[1];
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$post_content = $entry->content[1];
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$post_excerpt = $entry->summary[1];
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$pubtimes = $this->get_publish_time($entry->published);
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$post_date = $pubtimes[0];
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$post_date_gmt = $pubtimes[1];
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if ( isset( $_SERVER['HTTP_SLUG'] ) )
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$post_name = $_SERVER['HTTP_SLUG'];
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$post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_name');
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$this->escape($post_data);
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log_app('Inserting Post. Data:', print_r($post_data,true));
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$postID = wp_insert_post($post_data);
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if ( is_wp_error( $postID ) )
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$this->internal_error($postID->get_error_message());
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if (!$postID)
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$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
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// getting warning here about unable to set headers
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// because something in the cache is printing to the buffer
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// could we clean up wp_set_post_categories or cache to not print
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// this could affect our ability to send back the right headers
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@wp_set_post_categories($postID, $post_category);
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$output = $this->get_entry($postID);
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log_app('function',"create_post($postID)");
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$this->created($postID, $output);
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}
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/**
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* Retrieve post.
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*
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* @since 2.2.0
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*
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* @param int $postID Post ID.
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*/
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function get_post($postID) {
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global $entry;
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if( !current_user_can( 'edit_post', $postID ) )
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$this->auth_required( __( 'Sorry, you do not have the right to access this post.' ) );
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$this->set_current_entry($postID);
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$output = $this->get_entry($postID);
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log_app('function',"get_post($postID)");
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$this->output($output);
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}
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|
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/**
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* Update post.
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*
|
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* @since 2.2.0
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*
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* @param int $postID Post ID.
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*/
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function put_post($postID) {
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// checked for valid content-types (atom+xml)
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// quick check and exit
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$this->get_accepted_content_type($this->atom_content_types);
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$parser = new AtomParser();
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if(!$parser->parse()) {
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$this->bad_request();
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}
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$parsed = array_pop($parser->feed->entries);
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log_app('Received UPDATED entry:', print_r($parsed,true));
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// check for not found
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global $entry;
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$this->set_current_entry($postID);
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if(!current_user_can('edit_post', $entry['ID']))
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$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
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$publish = (isset($parsed->draft) && trim($parsed->draft) == 'yes') ? false : true;
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$post_status = ($publish) ? 'publish' : 'draft';
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extract($entry);
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$post_title = $parsed->title[1];
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$post_content = $parsed->content[1];
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$post_excerpt = $parsed->summary[1];
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$pubtimes = $this->get_publish_time($entry->published);
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$post_date = $pubtimes[0];
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$post_date_gmt = $pubtimes[1];
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$pubtimes = $this->get_publish_time($parsed->updated);
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$post_modified = $pubtimes[0];
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$post_modified_gmt = $pubtimes[1];
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$postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt');
|
|
$this->escape($postdata);
|
|
|
|
$result = wp_update_post($postdata);
|
|
|
|
if (!$result) {
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.'));
|
|
}
|
|
|
|
log_app('function',"put_post($postID)");
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Remove post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function delete_post($postID) {
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if(!current_user_can('edit_post', $postID)) {
|
|
$this->auth_required(__('Sorry, you do not have the right to delete this post.'));
|
|
}
|
|
|
|
if ($entry['post_type'] == 'attachment') {
|
|
$this->delete_attachment($postID);
|
|
} else {
|
|
$result = wp_delete_post($postID);
|
|
|
|
if (!$result) {
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be deleted.'));
|
|
}
|
|
|
|
log_app('function',"delete_post($postID)");
|
|
$this->ok();
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Optional. Post ID.
|
|
*/
|
|
function get_attachment($postID = null) {
|
|
if( !current_user_can( 'upload_files' ) )
|
|
$this->auth_required( __( 'Sorry, you do not have permission to upload files.' ) );
|
|
|
|
if (!isset($postID)) {
|
|
$this->get_attachments();
|
|
} else {
|
|
$this->set_current_entry($postID);
|
|
$output = $this->get_entry($postID, 'attachment');
|
|
log_app('function',"get_attachment($postID)");
|
|
$this->output($output);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create new attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function create_attachment() {
|
|
|
|
$type = $this->get_accepted_content_type();
|
|
|
|
if(!current_user_can('upload_files'))
|
|
$this->auth_required(__('You do not have permission to upload files.'));
|
|
|
|
$fp = fopen("php://input", "rb");
|
|
$bits = null;
|
|
while(!feof($fp)) {
|
|
$bits .= fread($fp, 4096);
|
|
}
|
|
fclose($fp);
|
|
|
|
$slug = '';
|
|
if ( isset( $_SERVER['HTTP_SLUG'] ) )
|
|
$slug = sanitize_file_name( $_SERVER['HTTP_SLUG'] );
|
|
elseif ( isset( $_SERVER['HTTP_TITLE'] ) )
|
|
$slug = sanitize_file_name( $_SERVER['HTTP_TITLE'] );
|
|
elseif ( empty( $slug ) ) // just make a random name
|
|
$slug = substr( md5( uniqid( microtime() ) ), 0, 7);
|
|
$ext = preg_replace( '|.*/([a-z0-9]+)|', '$1', $_SERVER['CONTENT_TYPE'] );
|
|
$slug = "$slug.$ext";
|
|
$file = wp_upload_bits( $slug, NULL, $bits);
|
|
|
|
log_app('wp_upload_bits returns:',print_r($file,true));
|
|
|
|
$url = $file['url'];
|
|
$file = $file['file'];
|
|
|
|
do_action('wp_create_file_in_uploads', $file); // replicate
|
|
|
|
// Construct the attachment array
|
|
$attachment = array(
|
|
'post_title' => $slug,
|
|
'post_content' => $slug,
|
|
'post_status' => 'attachment',
|
|
'post_parent' => 0,
|
|
'post_mime_type' => $type,
|
|
'guid' => $url
|
|
);
|
|
|
|
// Save the data
|
|
$postID = wp_insert_attachment($attachment, $file);
|
|
|
|
if (!$postID)
|
|
$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
|
|
|
|
$output = $this->get_entry($postID, 'attachment');
|
|
|
|
$this->created($postID, $output, 'attachment');
|
|
log_app('function',"create_attachment($postID)");
|
|
}
|
|
|
|
/**
|
|
* Update attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function put_attachment($postID) {
|
|
// checked for valid content-types (atom+xml)
|
|
// quick check and exit
|
|
$this->get_accepted_content_type($this->atom_content_types);
|
|
|
|
$parser = new AtomParser();
|
|
if(!$parser->parse()) {
|
|
$this->bad_request();
|
|
}
|
|
|
|
$parsed = array_pop($parser->feed->entries);
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if(!current_user_can('edit_post', $entry['ID']))
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
|
|
extract($entry);
|
|
|
|
$post_title = $parsed->title[1];
|
|
$post_content = $parsed->content[1];
|
|
$pubtimes = $this->get_publish_time($parsed->updated);
|
|
$post_modified = $pubtimes[0];
|
|
$post_modified_gmt = $pubtimes[1];
|
|
|
|
$postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_modified', 'post_modified_gmt');
|
|
$this->escape($postdata);
|
|
|
|
$result = wp_update_post($postdata);
|
|
|
|
if (!$result) {
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.'));
|
|
}
|
|
|
|
log_app('function',"put_attachment($postID)");
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Remove attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function delete_attachment($postID) {
|
|
log_app('function',"delete_attachment($postID). File '$location' deleted.");
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if(!current_user_can('edit_post', $postID)) {
|
|
$this->auth_required(__('Sorry, you do not have the right to delete this post.'));
|
|
}
|
|
|
|
$location = get_post_meta($entry['ID'], '_wp_attached_file', true);
|
|
$filetype = wp_check_filetype($location);
|
|
|
|
if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']))
|
|
$this->internal_error(__('Error ocurred while accessing post metadata for file location.'));
|
|
|
|
// delete file
|
|
@unlink($location);
|
|
|
|
// delete attachment
|
|
$result = wp_delete_post($postID);
|
|
|
|
if (!$result) {
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be deleted.'));
|
|
}
|
|
|
|
log_app('function',"delete_attachment($postID). File '$location' deleted.");
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment from post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function get_file($postID) {
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
// then whether user can edit the specific post
|
|
if(!current_user_can('edit_post', $postID)) {
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
}
|
|
|
|
$location = get_post_meta($entry['ID'], '_wp_attached_file', true);
|
|
$filetype = wp_check_filetype($location);
|
|
|
|
if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']))
|
|
$this->internal_error(__('Error ocurred while accessing post metadata for file location.'));
|
|
|
|
status_header('200');
|
|
header('Content-Type: ' . $entry['post_mime_type']);
|
|
header('Connection: close');
|
|
|
|
$fp = fopen($location, "rb");
|
|
while(!feof($fp)) {
|
|
echo fread($fp, 4096);
|
|
}
|
|
fclose($fp);
|
|
|
|
log_app('function',"get_file($postID)");
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Upload file to blog and add attachment to post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function put_file($postID) {
|
|
|
|
// first check if user can upload
|
|
if(!current_user_can('upload_files'))
|
|
$this->auth_required(__('You do not have permission to upload files.'));
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
// then whether user can edit the specific post
|
|
if(!current_user_can('edit_post', $postID)) {
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
}
|
|
|
|
$location = get_post_meta($entry['ID'], '_wp_attached_file', true);
|
|
$filetype = wp_check_filetype($location);
|
|
|
|
if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']))
|
|
$this->internal_error(__('Error ocurred while accessing post metadata for file location.'));
|
|
|
|
$fp = fopen("php://input", "rb");
|
|
$localfp = fopen($location, "w+");
|
|
while(!feof($fp)) {
|
|
fwrite($localfp,fread($fp, 4096));
|
|
}
|
|
fclose($fp);
|
|
fclose($localfp);
|
|
|
|
$ID = $entry['ID'];
|
|
$pubtimes = $this->get_publish_time($entry->published);
|
|
$post_date = $pubtimes[0];
|
|
$post_date_gmt = $pubtimes[1];
|
|
$pubtimes = $this->get_publish_time($parsed->updated);
|
|
$post_modified = $pubtimes[0];
|
|
$post_modified_gmt = $pubtimes[1];
|
|
|
|
$post_data = compact('ID', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt');
|
|
$result = wp_update_post($post_data);
|
|
|
|
if (!$result) {
|
|
$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
|
|
}
|
|
|
|
log_app('function',"put_file($postID)");
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Retrieve entries URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @return string
|
|
*/
|
|
function get_entries_url($page = null) {
|
|
if($GLOBALS['post_type'] == 'attachment') {
|
|
$path = $this->MEDIA_PATH;
|
|
} else {
|
|
$path = $this->ENTRIES_PATH;
|
|
}
|
|
$url = $this->app_base . $path;
|
|
if(isset($page) && is_int($page)) {
|
|
$url .= "/$page";
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display entries URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
*/
|
|
function the_entries_url($page = null) {
|
|
echo $this->get_entries_url($page);
|
|
}
|
|
|
|
/**
|
|
* Retrieve categories URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param mixed $deprecated Optional, not used.
|
|
* @return string
|
|
*/
|
|
function get_categories_url($deprecated = '') {
|
|
return $this->app_base . $this->CATEGORIES_PATH;
|
|
}
|
|
|
|
/**
|
|
* Display category URL.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function the_categories_url() {
|
|
echo $this->get_categories_url();
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @return string
|
|
*/
|
|
function get_attachments_url($page = null) {
|
|
$url = $this->app_base . $this->MEDIA_PATH;
|
|
if(isset($page) && is_int($page)) {
|
|
$url .= "/$page";
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display attachment URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
*/
|
|
function the_attachments_url($page = null) {
|
|
echo $this->get_attachments_url($page);
|
|
}
|
|
|
|
/**
|
|
* Retrieve service URL.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_service_url() {
|
|
return $this->app_base . $this->SERVICE_PATH;
|
|
}
|
|
|
|
/**
|
|
* Retrieve entry URL.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @return string
|
|
*/
|
|
function get_entry_url($postID = null) {
|
|
if(!isset($postID)) {
|
|
global $post;
|
|
$postID = (int) $post->ID;
|
|
}
|
|
|
|
$url = $this->app_base . $this->ENTRY_PATH . "/$postID";
|
|
|
|
log_app('function',"get_entry_url() = $url");
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display entry URL.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function the_entry_url($postID = null) {
|
|
echo $this->get_entry_url($postID);
|
|
}
|
|
|
|
/**
|
|
* Retrieve media URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @return string
|
|
*/
|
|
function get_media_url($postID = null) {
|
|
if(!isset($postID)) {
|
|
global $post;
|
|
$postID = (int) $post->ID;
|
|
}
|
|
|
|
$url = $this->app_base . $this->MEDIA_SINGLE_PATH ."/file/$postID";
|
|
|
|
log_app('function',"get_media_url() = $url");
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display the media URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function the_media_url($postID = null) {
|
|
echo $this->get_media_url($postID);
|
|
}
|
|
|
|
/**
|
|
* Set the current entry to post ID.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function set_current_entry($postID) {
|
|
global $entry;
|
|
log_app('function',"set_current_entry($postID)");
|
|
|
|
if(!isset($postID)) {
|
|
// $this->bad_request();
|
|
$this->not_found();
|
|
}
|
|
|
|
$entry = wp_get_single_post($postID,ARRAY_A);
|
|
|
|
if(!isset($entry) || !isset($entry['ID']))
|
|
$this->not_found();
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Display posts XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Optional. Page ID.
|
|
* @param string $post_type Optional, default is 'post'. Post Type.
|
|
*/
|
|
function get_posts($page = 1, $post_type = 'post') {
|
|
log_app('function',"get_posts($page, '$post_type')");
|
|
$feed = $this->get_feed($page, $post_type);
|
|
$this->output($feed);
|
|
}
|
|
|
|
/**
|
|
* Display attachment XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @param string $post_type Optional, default is 'attachment'. Post type.
|
|
*/
|
|
function get_attachments($page = 1, $post_type = 'attachment') {
|
|
log_app('function',"get_attachments($page, '$post_type')");
|
|
$GLOBALS['post_type'] = $post_type;
|
|
$feed = $this->get_feed($page, $post_type);
|
|
$this->output($feed);
|
|
}
|
|
|
|
/**
|
|
* Retrieve feed XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @param string $post_type Optional, default is post. Post type.
|
|
* @return string
|
|
*/
|
|
function get_feed($page = 1, $post_type = 'post') {
|
|
global $post, $wp, $wp_query, $posts, $wpdb, $blog_id;
|
|
log_app('function',"get_feed($page, '$post_type')");
|
|
ob_start();
|
|
|
|
if(!isset($page)) {
|
|
$page = 1;
|
|
}
|
|
$page = (int) $page;
|
|
|
|
$count = get_option('posts_per_rss');
|
|
|
|
wp('what_to_show=posts&posts_per_page=' . $count . '&offset=' . ($count * ($page-1) . '&orderby=modified'));
|
|
|
|
$post = $GLOBALS['post'];
|
|
$posts = $GLOBALS['posts'];
|
|
$wp = $GLOBALS['wp'];
|
|
$wp_query = $GLOBALS['wp_query'];
|
|
$wpdb = $GLOBALS['wpdb'];
|
|
$blog_id = (int) $GLOBALS['blog_id'];
|
|
log_app('function',"query_posts(# " . print_r($wp_query, true) . "#)");
|
|
|
|
log_app('function',"total_count(# $wp_query->max_num_pages #)");
|
|
$last_page = $wp_query->max_num_pages;
|
|
$next_page = (($page + 1) > $last_page) ? NULL : $page + 1;
|
|
$prev_page = ($page - 1) < 1 ? NULL : $page - 1;
|
|
$last_page = ((int)$last_page == 1 || (int)$last_page == 0) ? NULL : (int) $last_page;
|
|
$self_page = $page > 1 ? $page : NULL;
|
|
?><feed xmlns="<?php echo $this->ATOM_NS ?>" xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php echo get_option('rss_language'); ?>">
|
|
<id><?php $this->the_entries_url() ?></id>
|
|
<updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT')); ?></updated>
|
|
<title type="text"><?php bloginfo_rss('name') ?></title>
|
|
<subtitle type="text"><?php bloginfo_rss("description") ?></subtitle>
|
|
<link rel="first" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url() ?>" />
|
|
<?php if(isset($prev_page)): ?>
|
|
<link rel="previous" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($prev_page) ?>" />
|
|
<?php endif; ?>
|
|
<?php if(isset($next_page)): ?>
|
|
<link rel="next" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($next_page) ?>" />
|
|
<?php endif; ?>
|
|
<link rel="last" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($last_page) ?>" />
|
|
<link rel="self" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($self_page) ?>" />
|
|
<rights type="text">Copyright <?php echo mysql2date('Y', get_lastpostdate('blog')); ?></rights>
|
|
<?php the_generator( 'atom' ); ?>
|
|
<?php if ( have_posts() ) {
|
|
while ( have_posts() ) {
|
|
the_post();
|
|
$this->echo_entry();
|
|
}
|
|
}
|
|
?></feed>
|
|
<?php
|
|
$feed = ob_get_contents();
|
|
ob_end_clean();
|
|
return $feed;
|
|
}
|
|
|
|
/**
|
|
* Display entry XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @param string $post_type Optional, default is post. Post type.
|
|
* @return string.
|
|
*/
|
|
function get_entry($postID, $post_type = 'post') {
|
|
log_app('function',"get_entry($postID, '$post_type')");
|
|
ob_start();
|
|
switch($post_type) {
|
|
case 'post':
|
|
$varname = 'p';
|
|
break;
|
|
case 'attachment':
|
|
$varname = 'attachment_id';
|
|
break;
|
|
}
|
|
query_posts($varname . '=' . $postID);
|
|
if ( have_posts() ) {
|
|
while ( have_posts() ) {
|
|
the_post();
|
|
$this->echo_entry();
|
|
log_app('$post',print_r($GLOBALS['post'],true));
|
|
$entry = ob_get_contents();
|
|
break;
|
|
}
|
|
}
|
|
ob_end_clean();
|
|
|
|
log_app('get_entry returning:',$entry);
|
|
return $entry;
|
|
}
|
|
|
|
/**
|
|
* Display post content XML.
|
|
*
|
|
* @since 2.3.0
|
|
*/
|
|
function echo_entry() { ?>
|
|
<entry xmlns="<?php echo $this->ATOM_NS ?>"
|
|
xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php echo get_option('rss_language'); ?>">
|
|
<id><?php the_guid($GLOBALS['post']->ID); ?></id>
|
|
<?php list($content_type, $content) = prep_atom_text_construct(get_the_title()); ?>
|
|
<title type="<?php echo $content_type ?>"><?php echo $content ?></title>
|
|
<updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated>
|
|
<published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published>
|
|
<app:edited><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></app:edited>
|
|
<app:control>
|
|
<app:draft><?php echo ($GLOBALS['post']->post_status == 'draft' ? 'yes' : 'no') ?></app:draft>
|
|
</app:control>
|
|
<author>
|
|
<name><?php the_author()?></name>
|
|
<?php if (get_the_author_url() && get_the_author_url() != 'http://') { ?>
|
|
<uri><?php the_author_url()?></uri>
|
|
<?php } ?>
|
|
</author>
|
|
<?php if($GLOBALS['post']->post_type == 'attachment') { ?>
|
|
<link rel="edit-media" href="<?php $this->the_media_url() ?>" />
|
|
<content type="<?php echo $GLOBALS['post']->post_mime_type ?>" src="<?php the_guid(); ?>"/>
|
|
<?php } else { ?>
|
|
<link href="<?php the_permalink_rss() ?>" />
|
|
<?php if ( strlen( $GLOBALS['post']->post_content ) ) :
|
|
list($content_type, $content) = prep_atom_text_construct(get_the_content()); ?>
|
|
<content type="<?php echo $content_type ?>"><?php echo $content ?></content>
|
|
<?php endif; ?>
|
|
<?php } ?>
|
|
<link rel="edit" href="<?php $this->the_entry_url() ?>" />
|
|
<?php foreach(get_the_category() as $category) { ?>
|
|
<category scheme="<?php bloginfo_rss('home') ?>" term="<?php echo $category->name?>" />
|
|
<?php } ?>
|
|
<?php list($content_type, $content) = prep_atom_text_construct(get_the_excerpt()); ?>
|
|
<summary type="<?php echo $content_type ?>"><?php echo $content ?></summary>
|
|
</entry>
|
|
<?php }
|
|
|
|
/**
|
|
* Set 'OK' (200) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function ok() {
|
|
log_app('Status','200: OK');
|
|
header('Content-Type: text/plain');
|
|
status_header('200');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'No Content' (204) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function no_content() {
|
|
log_app('Status','204: No Content');
|
|
header('Content-Type: text/plain');
|
|
status_header('204');
|
|
echo "Deleted.";
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Display 'Internal Server Error' (500) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $msg Optional. Status string.
|
|
*/
|
|
function internal_error($msg = 'Internal Server Error') {
|
|
log_app('Status','500: Server Error');
|
|
header('Content-Type: text/plain');
|
|
status_header('500');
|
|
echo $msg;
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Bad Request' (400) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function bad_request() {
|
|
log_app('Status','400: Bad Request');
|
|
header('Content-Type: text/plain');
|
|
status_header('400');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Length Required' (411) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function length_required() {
|
|
log_app('Status','411: Length Required');
|
|
header("HTTP/1.1 411 Length Required");
|
|
header('Content-Type: text/plain');
|
|
status_header('411');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Unsupported Media Type' (415) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function invalid_media() {
|
|
log_app('Status','415: Unsupported Media Type');
|
|
header("HTTP/1.1 415 Unsupported Media Type");
|
|
header('Content-Type: text/plain');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Forbidden' (403) status header.
|
|
*
|
|
* @since 2.6.0
|
|
*/
|
|
function forbidden($reason='') {
|
|
log_app('Status','403: Forbidden');
|
|
header('Content-Type: text/plain');
|
|
status_header('403');
|
|
echo $reason;
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Not Found' (404) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function not_found() {
|
|
log_app('Status','404: Not Found');
|
|
header('Content-Type: text/plain');
|
|
status_header('404');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Not Allowed' (405) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function not_allowed($allow) {
|
|
log_app('Status','405: Not Allowed');
|
|
header('Allow: ' . join(',', $allow));
|
|
status_header('405');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Display Redirect (302) content and set status headers.
|
|
*
|
|
* @since 2.3.0
|
|
*/
|
|
function redirect($url) {
|
|
|
|
log_app('Status','302: Redirect');
|
|
$escaped_url = attribute_escape($url);
|
|
$content = <<<EOD
|
|
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
|
|
<html>
|
|
<head>
|
|
<title>302 Found</title>
|
|
</head>
|
|
<body>
|
|
<h1>Found</h1>
|
|
<p>The document has moved <a href="$escaped_url">here</a>.</p>
|
|
</body>
|
|
</html>
|
|
|
|
EOD;
|
|
header('HTTP/1.1 302 Moved');
|
|
header('Content-Type: text/html');
|
|
header('Location: ' . $url);
|
|
echo $content;
|
|
exit;
|
|
|
|
}
|
|
|
|
/**
|
|
* Set 'Client Error' (400) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function client_error($msg = 'Client Error') {
|
|
log_app('Status','400: Client Error');
|
|
header('Content-Type: text/plain');
|
|
status_header('400');
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set created status headers (201).
|
|
*
|
|
* Sets the 'content-type', 'content-location', and 'location'.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function created($post_ID, $content, $post_type = 'post') {
|
|
log_app('created()::$post_ID',"$post_ID, $post_type");
|
|
$edit = $this->get_entry_url($post_ID);
|
|
switch($post_type) {
|
|
case 'post':
|
|
$ctloc = $this->get_entry_url($post_ID);
|
|
break;
|
|
case 'attachment':
|
|
$edit = $this->app_base . "attachments/$post_ID";
|
|
break;
|
|
}
|
|
header("Content-Type: $this->ATOM_CONTENT_TYPE");
|
|
if(isset($ctloc))
|
|
header('Content-Location: ' . $ctloc);
|
|
header('Location: ' . $edit);
|
|
status_header('201');
|
|
echo $content;
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Set 'Auth Required' (401) headers.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $msg Status header content and HTML content.
|
|
*/
|
|
function auth_required($msg) {
|
|
log_app('Status','401: Auth Required');
|
|
nocache_headers();
|
|
header('WWW-Authenticate: Basic realm="WordPress Atom Protocol"');
|
|
header("HTTP/1.1 401 $msg");
|
|
header('Status: 401 ' . $msg);
|
|
header('Content-Type: text/html');
|
|
$content = <<<EOD
|
|
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
|
|
<html>
|
|
<head>
|
|
<title>401 Unauthorized</title>
|
|
</head>
|
|
<body>
|
|
<h1>401 Unauthorized</h1>
|
|
<p>$msg</p>
|
|
</body>
|
|
</html>
|
|
|
|
EOD;
|
|
echo $content;
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Display XML and set headers with content type.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $xml Display feed content.
|
|
* @param string $ctype Optional, default is 'atom+xml'. Feed content type.
|
|
*/
|
|
function output($xml, $ctype = 'application/atom+xml') {
|
|
status_header('200');
|
|
$xml = '<?xml version="1.0" encoding="' . strtolower(get_option('blog_charset')) . '"?>'."\n".$xml;
|
|
header('Connection: close');
|
|
header('Content-Length: '. strlen($xml));
|
|
header('Content-Type: ' . $ctype);
|
|
header('Content-Disposition: attachment; filename=atom.xml');
|
|
header('Date: '. date('r'));
|
|
if($this->do_output)
|
|
echo $xml;
|
|
log_app('function', "output:\n$xml");
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Sanitize content for database usage.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param array $array Sanitize array and multi-dimension array.
|
|
*/
|
|
function escape(&$array) {
|
|
global $wpdb;
|
|
|
|
foreach ($array as $k => $v) {
|
|
if (is_array($v)) {
|
|
$this->escape($array[$k]);
|
|
} else if (is_object($v)) {
|
|
//skip
|
|
} else {
|
|
$array[$k] = $wpdb->escape($v);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Access credential through various methods and perform login.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
function authenticate() {
|
|
log_app("authenticate()",print_r($_ENV, true));
|
|
|
|
// if using mod_rewrite/ENV hack
|
|
// http://www.besthostratings.com/articles/http-auth-php-cgi.html
|
|
if(isset($_SERVER['HTTP_AUTHORIZATION'])) {
|
|
list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) =
|
|
explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
|
|
}
|
|
|
|
// If Basic Auth is working...
|
|
if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
|
|
log_app("Basic Auth",$_SERVER['PHP_AUTH_USER']);
|
|
$user = wp_authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
|
|
if ( $user && !is_wp_error($user) ) {
|
|
wp_set_current_user($user->ID);
|
|
log_app("authenticate()", $_SERVER['PHP_AUTH_USER']);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve accepted content types.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param array $types Optional. Content Types.
|
|
* @return string
|
|
*/
|
|
function get_accepted_content_type($types = null) {
|
|
|
|
if(!isset($types)) {
|
|
$types = $this->media_content_types;
|
|
}
|
|
|
|
if(!isset($_SERVER['CONTENT_LENGTH']) || !isset($_SERVER['CONTENT_TYPE'])) {
|
|
$this->length_required();
|
|
}
|
|
|
|
$type = $_SERVER['CONTENT_TYPE'];
|
|
list($type,$subtype) = explode('/',$type);
|
|
list($subtype) = explode(";",$subtype); // strip MIME parameters
|
|
log_app("get_accepted_content_type", "type=$type, subtype=$subtype");
|
|
|
|
foreach($types as $t) {
|
|
list($acceptedType,$acceptedSubtype) = explode('/',$t);
|
|
if($acceptedType == '*' || $acceptedType == $type) {
|
|
if($acceptedSubtype == '*' || $acceptedSubtype == $subtype)
|
|
return $type . "/" . $subtype;
|
|
}
|
|
}
|
|
|
|
$this->invalid_media();
|
|
}
|
|
|
|
/**
|
|
* Process conditionals for posts.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function process_conditionals() {
|
|
|
|
if(empty($this->params)) return;
|
|
if($_SERVER['REQUEST_METHOD'] == 'DELETE') return;
|
|
|
|
switch($this->params[0]) {
|
|
case $this->ENTRY_PATH:
|
|
global $post;
|
|
$post = wp_get_single_post($this->params[1]);
|
|
$wp_last_modified = get_post_modified_time('D, d M Y H:i:s', true);
|
|
$post = NULL;
|
|
break;
|
|
case $this->ENTRIES_PATH:
|
|
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
$wp_etag = md5($wp_last_modified);
|
|
@header("Last-Modified: $wp_last_modified");
|
|
@header("ETag: $wp_etag");
|
|
|
|
// Support for Conditional GET
|
|
if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
|
|
$client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
|
|
else
|
|
$client_etag = false;
|
|
|
|
$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
|
|
// If string is empty, return 0. If not, attempt to parse into a timestamp
|
|
$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
|
|
|
|
// Make a timestamp for our most recent modification...
|
|
$wp_modified_timestamp = strtotime($wp_last_modified);
|
|
|
|
if ( ($client_last_modified && $client_etag) ?
|
|
(($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
|
|
(($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
|
|
status_header( 304 );
|
|
exit;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convert RFC3339 time string to timestamp.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $str String to time.
|
|
* @return bool|int false if format is incorrect.
|
|
*/
|
|
function rfc3339_str2time($str) {
|
|
|
|
$match = false;
|
|
if(!preg_match("/(\d{4}-\d{2}-\d{2})T(\d{2}\:\d{2}\:\d{2})\.?\d{0,3}(Z|[+-]+\d{2}\:\d{2})/", $str, $match))
|
|
return false;
|
|
|
|
if($match[3] == 'Z')
|
|
$match[3] == '+0000';
|
|
|
|
return strtotime($match[1] . " " . $match[2] . " " . $match[3]);
|
|
}
|
|
|
|
/**
|
|
* Retrieve published time to display in XML.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $published Time string.
|
|
* @return string
|
|
*/
|
|
function get_publish_time($published) {
|
|
|
|
$pubtime = $this->rfc3339_str2time($published);
|
|
|
|
if(!$pubtime) {
|
|
return array(current_time('mysql'),current_time('mysql',1));
|
|
} else {
|
|
return array(date("Y-m-d H:i:s", $pubtime), gmdate("Y-m-d H:i:s", $pubtime));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* AtomServer
|
|
* @var AtomServer
|
|
* @global object $server
|
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*/
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$server = new AtomServer();
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$server->handle_request();
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?>
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