--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-includes/class-wp-atom-server.php Mon Nov 19 18:26:13 2012 +0100
@@ -0,0 +1,1488 @@
+<?php
+
+/**
+ * WordPress AtomPub API implementation.
+ *
+ * @package WordPress
+ * @subpackage Publishing
+ * @since 2.2.0
+ */
+class wp_atom_server {
+
+ /**
+ * ATOM content type.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $ATOM_CONTENT_TYPE = 'application/atom+xml';
+
+ /**
+ * Categories ATOM content type.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $CATEGORIES_CONTENT_TYPE = 'application/atomcat+xml';
+
+ /**
+ * Service ATOM content type.
+ *
+ * @since 2.3.0
+ * @var string
+ */
+ var $SERVICE_CONTENT_TYPE = 'application/atomsvc+xml';
+
+ /**
+ * ATOM XML namespace.
+ *
+ * @since 2.3.0
+ * @var string
+ */
+ var $ATOM_NS = 'http://www.w3.org/2005/Atom';
+
+ /**
+ * ATOMPUB XML namespace.
+ *
+ * @since 2.3.0
+ * @var string
+ */
+ var $ATOMPUB_NS = 'http://www.w3.org/2007/app';
+
+ /**
+ * Entries path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $ENTRIES_PATH = "posts";
+
+ /**
+ * Categories path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $CATEGORIES_PATH = "categories";
+
+ /**
+ * Media path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $MEDIA_PATH = "attachments";
+
+ /**
+ * Entry path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $ENTRY_PATH = "post";
+
+ /**
+ * Service path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $SERVICE_PATH = "service";
+
+ /**
+ * Media single path.
+ *
+ * @since 2.2.0
+ * @var string
+ */
+ var $MEDIA_SINGLE_PATH = "attachment";
+
+ /**
+ * ATOMPUB parameters.
+ *
+ * @since 2.2.0
+ * @var array
+ */
+ var $params = array();
+
+ /**
+ * Supported ATOMPUB media types.
+ *
+ * @since 2.3.0
+ * @var array
+ */
+ var $media_content_types = array('image/*','audio/*','video/*');
+
+ /**
+ * ATOMPUB content type(s).
+ *
+ * @since 2.2.0
+ * @var array
+ */
+ var $atom_content_types = array('application/atom+xml');
+
+ /**
+ * ATOMPUB methods.
+ *
+ * @since 2.2.0
+ * @var unknown_type
+ */
+ var $selectors = array();
+
+ /**
+ * Whether to do output.
+ *
+ * Support for head.
+ *
+ * @since 2.2.0
+ * @var bool
+ */
+ var $do_output = true;
+
+ /**
+ * Constructor - Sets up object properties.
+ *
+ * @since 2.2.0
+ * @return AtomServer
+ */
+ function __construct() {
+
+ $var_by_ref = explode( '/', $_SERVER['SCRIPT_NAME'] );
+ $this->script_name = array_pop( $var_by_ref );
+ $this->app_base = site_url( $this->script_name . '/' );
+
+ $this->selectors = array(
+ '@/service$@' =>
+ array('GET' => 'get_service'),
+ '@/categories$@' =>
+ array('GET' => 'get_categories_xml'),
+ '@/post/(\d+)$@' =>
+ array('GET' => 'get_post',
+ 'PUT' => 'put_post',
+ 'DELETE' => 'delete_post'),
+ '@/posts/?(\d+)?$@' =>
+ array('GET' => 'get_posts',
+ 'POST' => 'create_post'),
+ '@/attachments/?(\d+)?$@' =>
+ array('GET' => 'get_attachment',
+ 'POST' => 'create_attachment'),
+ '@/attachment/file/(\d+)$@' =>
+ array('GET' => 'get_file'),
+ '@/attachment/(\d+)$@' =>
+ array('GET' => 'get_attachment',
+ 'PUT' => 'put_attachment',
+ 'DELETE' => 'delete_attachment'),
+ );
+ }
+
+ /**
+ * Handle ATOMPUB request.
+ *
+ * @since 2.2.0
+ */
+ function handle_request() {
+
+ if ( !empty( $_SERVER['ORIG_PATH_INFO'] ) )
+ $path = $_SERVER['ORIG_PATH_INFO'];
+ else
+ $path = $_SERVER['PATH_INFO'];
+
+ $method = $_SERVER['REQUEST_METHOD'];
+
+ $this->process_conditionals();
+ //$this->process_conditionals();
+
+ // exception case for HEAD (treat exactly as GET, but don't output)
+ if ($method == 'HEAD') {
+ $this->do_output = false;
+ $method = 'GET';
+ }
+
+ // redirect to /service in case no path is found.
+ if (strlen($path) == 0 || $path == '/')
+ $this->redirect($this->get_service_url());
+
+ // check to see if AtomPub is enabled
+ if ( !get_option( 'enable_app' ) )
+ $this->forbidden( sprintf( __( 'AtomPub services are disabled on this site. An admin user can enable them at %s' ), admin_url('options-writing.php') ) );
+
+ // dispatch
+ foreach ( $this->selectors as $regex => $funcs ) {
+ if ( preg_match($regex, $path, $matches) ) {
+ if ( isset($funcs[$method]) ) {
+
+ // authenticate regardless of the operation and set the current
+ // user. each handler will decide if auth is required or not.
+ if ( !$this->authenticate() ) {
+ $this->auth_required('Credentials required.');
+ }
+
+ array_shift($matches);
+ call_user_func_array(array($this,$funcs[$method]), $matches);
+ wp_die();
+ } else {
+ // only allow what we have handlers for...
+ $this->not_allowed(array_keys($funcs));
+ }
+ }
+ }
+
+ // oops, nothing found
+ $this->not_found();
+ }
+
+ /**
+ * Retrieve XML for ATOMPUB service.
+ *
+ * @since 2.2.0
+ */
+ function get_service() {
+
+ if ( !current_user_can( 'edit_posts' ) )
+ $this->auth_required( __( 'Sorry, you do not have the right to access this site.' ) );
+
+ $entries_url = esc_attr($this->get_entries_url());
+ $categories_url = esc_attr($this->get_categories_url());
+ $media_url = esc_attr($this->get_attachments_url());
+ $accepted_media_types = '';
+ foreach ($this->media_content_types as $med) {
+ $accepted_media_types = $accepted_media_types . "<accept>" . $med . "</accept>";
+ }
+ $atom_prefix="atom";
+ $atom_blogname = get_bloginfo('name');
+ $service_doc = <<<EOD
+<service xmlns="$this->ATOMPUB_NS" xmlns:$atom_prefix="$this->ATOM_NS">
+ <workspace>
+ <$atom_prefix:title>$atom_blogname Workspace</$atom_prefix:title>
+ <collection href="$entries_url">
+ <$atom_prefix:title>$atom_blogname Posts</$atom_prefix:title>
+ <accept>$this->ATOM_CONTENT_TYPE;type=entry</accept>
+ <categories href="$categories_url" />
+ </collection>
+ <collection href="$media_url">
+ <$atom_prefix:title>$atom_blogname Media</$atom_prefix:title>
+ $accepted_media_types
+ </collection>
+ </workspace>
+</service>
+
+EOD;
+
+ $this->output($service_doc, $this->SERVICE_CONTENT_TYPE);
+ }
+
+ /**
+ * Retrieve categories list in XML format.
+ *
+ * @since 2.2.0
+ */
+ function get_categories_xml() {
+
+ if ( !current_user_can( 'edit_posts' ) )
+ $this->auth_required( __( 'Sorry, you do not have the right to access this site.' ) );
+
+ $home = esc_attr(get_bloginfo_rss('url'));
+
+ $categories = "";
+ $cats = get_categories(array('hierarchical' => 0, 'hide_empty' => 0));
+ foreach ( (array) $cats as $cat ) {
+ $categories .= " <category term=\"" . esc_attr($cat->name) . "\" />\n";
+ }
+ $output = <<<EOD
+<app:categories xmlns:app="$this->ATOMPUB_NS"
+ xmlns="$this->ATOM_NS"
+ fixed="yes" scheme="$home">
+ $categories
+</app:categories>
+EOD;
+ $this->output($output, $this->CATEGORIES_CONTENT_TYPE);
+ }
+
+ /**
+ * Create new post.
+ *
+ * @since 2.2.0
+ */
+ function create_post() {
+ global $user_ID;
+ $this->get_accepted_content_type($this->atom_content_types);
+
+ $parser = new AtomParser();
+ if ( !$parser->parse() )
+ $this->client_error();
+
+ $entry = array_pop($parser->feed->entries);
+
+ $publish = ! ( isset( $entry->draft ) && 'yes' == trim( $entry->draft ) );
+ $cap = ($publish) ? 'publish_posts' : 'edit_posts';
+
+ if ( !current_user_can($cap) )
+ $this->auth_required(__('Sorry, you do not have the right to edit/publish new posts.'));
+
+ $catnames = array();
+ if ( !empty( $entry->categories ) ) {
+ foreach ( $entry->categories as $cat ) {
+ array_push($catnames, $cat["term"]);
+ }
+ }
+
+ $wp_cats = get_categories(array('hide_empty' => false));
+
+ $post_category = array();
+
+ foreach ( $wp_cats as $cat ) {
+ if ( in_array($cat->name, $catnames) )
+ array_push($post_category, $cat->term_id);
+ }
+
+ $blog_ID = get_current_blog_id();
+ $post_status = ($publish) ? 'publish' : 'draft';
+ $post_author = (int) $user_ID;
+
+ $post_title = '';
+ $post_content = '';
+ $post_excerpt = '';
+ $pubtimes = '';
+
+ if ( isset( $entry->title ) && is_array( $entry->title ) && !empty( $entry->title[1] ) )
+ $post_title = (string) $entry->title[1];
+ if ( isset( $entry->content ) && is_array( $entry->content ) && !empty( $entry->content[1] ) )
+ $post_content = (string) $entry->content[1];
+ if ( isset( $entry->summary ) && is_array( $entry->summary ) && !empty( $entry->summary[1] ) )
+ $post_excerpt = (string) $entry->summary[1];
+ if ( !empty( $entry->published ) )
+ $pubtimes = (string) $entry->published;
+
+ $pubtimes = $this->get_publish_time( $pubtimes );
+
+ $post_date = $pubtimes[0];
+ $post_date_gmt = $pubtimes[1];
+
+ if ( isset( $_SERVER['HTTP_SLUG'] ) )
+ $post_name = $_SERVER['HTTP_SLUG'];
+
+ $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_name');
+
+ $this->escape($post_data);
+
+ $postID = wp_insert_post($post_data);
+ if ( is_wp_error( $postID ) )
+ $this->internal_error($postID->get_error_message());
+
+ if ( !$postID )
+ $this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
+
+ // getting warning here about unable to set headers
+ // because something in the cache is printing to the buffer
+ // could we clean up wp_set_post_categories or cache to not print
+ // this could affect our ability to send back the right headers
+ @wp_set_post_categories($postID, $post_category);
+
+ do_action( 'atompub_create_post', $postID, $entry );
+
+ $output = $this->get_entry($postID);
+
+ $this->created($postID, $output);
+ }
+
+ /**
+ * Retrieve post.
+ *
+ * @since 2.2.0
+ *
+ * @param int $postID Post ID.
+ */
+ function get_post($postID) {
+ global $entry;
+
+ if ( ! get_post( $postID ) || ! current_user_can( 'edit_post', $postID ) )
+ $this->auth_required( __( 'Sorry, you do not have the right to access this post.' ) );
+
+ $this->set_current_entry($postID);
+ $output = $this->get_entry($postID);
+ $this->output($output);
+
+ }
+
+ /**
+ * Update post.
+ *
+ * @since 2.2.0
+ *
+ * @param int $postID Post ID.
+ */
+ function put_post($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', $postID) )
+ $this->auth_required(__('Sorry, you do not have the right to edit this post.'));
+
+ $publish = ! ( isset($parsed->draft) && 'yes' == trim($parsed->draft) );
+
+ if ( $publish && ! current_user_can( 'publish_posts' ) )
+ $this->auth_required( __( 'Sorry, you do not have the right to publish this post.' ) );
+
+ $post_status = ($publish) ? 'publish' : 'draft';
+
+ extract($entry);
+
+ $post_title = $parsed->title[1];
+ $post_content = $parsed->content[1];
+ $post_excerpt = $parsed->summary[1];
+ $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];
+
+ $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.'));
+
+ do_action( 'atompub_put_post', $ID, $parsed );
+
+ $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('delete_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.'));
+ }
+
+ $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' ) )
+ $this->auth_required( __( 'You do not have permission to upload files.' ) );
+
+ if ( !isset($postID) ) {
+ $this->get_attachments();
+ } else {
+ if ( ! current_user_can( 'edit_post', $postID ) )
+ $this->auth_required( __( 'Sorry, you do not have the right to edit this post.' ) );
+
+ $this->set_current_entry($postID);
+ $output = $this->get_entry($postID, 'attachment');
+ $this->output($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 = $_SERVER['HTTP_SLUG'];
+ elseif ( isset( $_SERVER['HTTP_TITLE'] ) )
+ $slug = $_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'] );
+ $slug = sanitize_file_name( "$slug.$ext" );
+ $file = wp_upload_bits( $slug, null, $bits);
+
+ $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');
+ }
+
+ /**
+ * 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']) || 'attachment' != $entry['post_type'] )
+ $this->auth_required(__('Sorry, you do not have the right to edit this post.'));
+
+ extract($entry);
+
+ $post_title = $parsed->title[1];
+ $post_content = $parsed->summary[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.'));
+
+ $this->ok();
+ }
+
+ /**
+ * Remove attachment.
+ *
+ * @since 2.2.0
+ *
+ * @param int $postID Post ID.
+ */
+ function delete_attachment($postID) {
+
+ // check for not found
+ global $entry;
+ $this->set_current_entry($postID);
+
+ if ( !current_user_can('delete_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 occurred while accessing post metadata for file location.'));
+
+ // delete attachment
+ $result = wp_delete_attachment($postID);
+
+ if ( !$result )
+ $this->internal_error(__('For some strange yet very annoying reason, this post could not be 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);
+ $location = get_option ('upload_path') . '/' . $location;
+ $filetype = wp_check_filetype($location);
+
+ if ( !isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']) )
+ $this->internal_error(__('Error occurred while accessing post metadata for file location.'));
+
+ status_header('200');
+ header('Content-Type: ' . $entry['post_mime_type']);
+ header('Connection: close');
+
+ if ( $fp = fopen($location, "rb") ) {
+ status_header('200');
+ header('Content-Type: ' . $entry['post_mime_type']);
+ header('Connection: close');
+
+ while ( !feof($fp) ) {
+ echo fread($fp, 4096);
+ }
+
+ fclose($fp);
+ } else {
+ status_header ('404');
+ }
+
+ wp_die();
+ }
+
+ /**
+ * 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.'));
+
+ $upload_dir = wp_upload_dir( );
+ $location = get_post_meta($entry['ID'], '_wp_attached_file', true);
+ $filetype = wp_check_filetype($location);
+
+ $location = "{$upload_dir['basedir']}/{$location}";
+
+ if (!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']))
+ $this->internal_error(__('Error occurred 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.'));
+
+ wp_update_attachment_metadata( $postID, wp_generate_attachment_metadata( $postID, $location ) );
+
+ $this->ok();
+ }
+
+ /**
+ * Retrieve entries URL.
+ *
+ * @since 2.2.0
+ *
+ * @param int $page Page ID.
+ * @return string
+ */
+ function get_entries_url($page = null) {
+ if ( isset($GLOBALS['post_type']) && ( $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 $deprecated Not used.
+ * @return string
+ */
+ function get_categories_url($deprecated = '') {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.5' );
+ 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";
+
+ 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";
+
+ 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 $entry;
+
+ if (!isset($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') {
+ $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') {
+ $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;
+ ob_start();
+
+ $this->ENTRY_PATH = $post_type;
+
+ if (!isset($page)) {
+ $page = 1;
+ }
+ $page = (int) $page;
+
+ $count = get_option('posts_per_rss');
+
+ wp('posts_per_page=' . $count . '&offset=' . ($count * ($page-1)) . '&orderby=modified&perm=readable');
+
+ $post = $GLOBALS['post'];
+ $posts = $GLOBALS['posts'];
+ $wp = $GLOBALS['wp'];
+ $wp_query = $GLOBALS['wp_query'];
+ $wpdb = $GLOBALS['wpdb'];
+ $blog_id = (int) $GLOBALS['blog_id'];
+
+ $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 bloginfo_rss( 'language' ); ?>" <?php do_action('app_ns'); ?> >
+<id><?php $this->the_entries_url() ?></id>
+<updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT'), false); ?></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 date('Y'); ?></rights>
+<?php do_action('app_head'); ?>
+<?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, $post_type = 'post') {
+ ob_start();
+ switch($post_type) {
+ case 'post':
+ $varname = 'p';
+ break;
+ case 'attachment':
+ $this->ENTRY_PATH = 'attachment';
+ $varname = 'attachment_id';
+ break;
+ }
+ query_posts($varname . '=' . $postID);
+ if ( have_posts() ) {
+ while ( have_posts() ) {
+ the_post();
+ $this->echo_entry();
+ $entry = ob_get_contents();
+ break;
+ }
+ }
+ ob_end_clean();
+
+ 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 bloginfo_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_meta('url') && get_the_author_meta('url') != 'http://' ) { ?>
+ <uri><?php the_author_meta('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 $this->the_entry_url() ?>" />
+ <?php the_category_rss( 'atom' ); ?>
+<?php list($content_type, $content) = prep_atom_text_construct(get_the_excerpt()); ?>
+ <summary type="<?php echo $content_type ?>"><?php echo $content ?></summary>
+ <?php do_action('app_entry'); ?>
+</entry>
+<?php }
+
+ /**
+ * Set 'OK' (200) status header.
+ *
+ * @since 2.2.0
+ */
+ function ok() {
+ header('Content-Type: text/plain');
+ status_header('200');
+ wp_die();
+ }
+
+ /**
+ * Set 'No Content' (204) status header.
+ *
+ * @since 2.2.0
+ */
+ function no_content() {
+ header('Content-Type: text/plain');
+ status_header('204');
+ echo "Moved to Trash.";
+ wp_die();
+ }
+
+ /**
+ * Display 'Internal Server Error' (500) status header.
+ *
+ * @since 2.2.0
+ *
+ * @param string $msg Optional. Status string.
+ */
+ function internal_error($msg = 'Internal Server Error') {
+ header('Content-Type: text/plain');
+ status_header('500');
+ echo $msg;
+ wp_die();
+ }
+
+ /**
+ * Set 'Bad Request' (400) status header.
+ *
+ * @since 2.2.0
+ */
+ function bad_request() {
+ header('Content-Type: text/plain');
+ status_header('400');
+ wp_die();
+ }
+
+ /**
+ * Set 'Length Required' (411) status header.
+ *
+ * @since 2.2.0
+ */
+ function length_required() {
+ header("HTTP/1.1 411 Length Required");
+ header('Content-Type: text/plain');
+ status_header('411');
+ wp_die();
+ }
+
+ /**
+ * Set 'Unsupported Media Type' (415) status header.
+ *
+ * @since 2.2.0
+ */
+ function invalid_media() {
+ header("HTTP/1.1 415 Unsupported Media Type");
+ header('Content-Type: text/plain');
+ wp_die();
+ }
+
+ /**
+ * Set 'Forbidden' (403) status header.
+ *
+ * @since 2.6.0
+ */
+ function forbidden($reason='') {
+ header('Content-Type: text/plain');
+ status_header('403');
+ echo $reason;
+ wp_die();
+ }
+
+ /**
+ * Set 'Not Found' (404) status header.
+ *
+ * @since 2.2.0
+ */
+ function not_found() {
+ header('Content-Type: text/plain');
+ status_header('404');
+ wp_die();
+ }
+
+ /**
+ * Set 'Not Allowed' (405) status header.
+ *
+ * @since 2.2.0
+ */
+ function not_allowed($allow) {
+ header('Allow: ' . join(',', $allow));
+ status_header('405');
+ wp_die();
+ }
+
+ /**
+ * Display Redirect (302) content and set status headers.
+ *
+ * @since 2.3.0
+ */
+ function redirect($url) {
+ $escaped_url = esc_attr($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 $content;
+ wp_die();
+
+ }
+
+ /**
+ * Set 'Client Error' (400) status header.
+ *
+ * @since 2.2.0
+ */
+ function client_error($msg = 'Client Error') {
+ header('Content-Type: text/plain');
+ status_header('400');
+ wp_die();
+ }
+
+ /**
+ * 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') {
+ $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;
+ wp_die();
+ }
+
+ /**
+ * Set 'Auth Required' (401) headers.
+ *
+ * @since 2.2.0
+ *
+ * @param string $msg Status header content and HTML content.
+ */
+ function auth_required($msg) {
+ 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;
+ wp_die();
+ }
+
+ /**
+ * 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;
+ wp_die();
+ }
+
+ /**
+ * 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() {
+
+ // 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)));
+ } else if (isset($_SERVER['REDIRECT_REMOTE_USER'])) {
+ // Workaround for setups that do not forward HTTP_AUTHORIZATION
+ // See http://trac.wordpress.org/ticket/7361
+ list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) =
+ explode(':', base64_decode(substr($_SERVER['REDIRECT_REMOTE_USER'], 6)));
+ }
+
+ // If Basic Auth is working...
+ if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
+
+ $user = wp_authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
+ if ( $user && !is_wp_error($user) ) {
+ wp_set_current_user($user->ID);
+ 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
+
+ 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 );
+ wp_die();
+ }
+ }
+
+ /**
+ * 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));
+ }
+ }
+
+}