diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-includes/class-wp-atom-server.php --- /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 @@ +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 . "" . $med . ""; + } + $atom_prefix="atom"; + $atom_blogname = get_bloginfo('name'); + $service_doc = << + + <$atom_prefix:title>$atom_blogname Workspace + + <$atom_prefix:title>$atom_blogname Posts + $this->ATOM_CONTENT_TYPE;type=entry + + + + <$atom_prefix:title>$atom_blogname Media + $accepted_media_types + + + + +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 .= " name) . "\" />\n"; + } + $output = << + $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; +?> > +the_entries_url() ?> + +<?php bloginfo_rss('name') ?> + + + + + + + + + + +Copyright + +echo_entry(); + } + } +?> +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() { ?> + + ID ); ?> + + <?php echo $content ?> + + + + + post_status == 'draft' ? 'yes' : 'no') ?> + + + + + + + +post_type == 'attachment') { ?> + + + + +post_content ) ) : +list($content_type, $content) = prep_atom_text_construct(get_the_content()); ?> + + + + + + + + + + + + + 302 Found + + +

Found

+

The document has moved here.

+ + + +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 = << + + + 401 Unauthorized + + +

401 Unauthorized

+

$msg

+ + + +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'); + $xml = ''."\n".$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)); + } + } + +}