diff -r 000000000000 -r 03b0d1493584 web/wp-app.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/wp-app.php Wed Dec 23 17:55:33 2009 +0000 @@ -0,0 +1,1647 @@ + + * @author Modified by Dougal Campbell + * @version 1.0.5-dc + */ + +/** + * WordPress is handling an Atom Publishing Protocol request. + * + * @var bool + */ +define('APP_REQUEST', true); + +/** Set up WordPress environment */ +require_once('./wp-load.php'); + +/** Post Template API */ +require_once(ABSPATH . WPINC . '/post-template.php'); + +/** Atom Publishing Protocol Class */ +require_once(ABSPATH . WPINC . '/atomlib.php'); + +/** Feed Handling API */ +require_once(ABSPATH . WPINC . '/feed.php'); + +/** Admin Image API for metadata updating */ +require_once(ABSPATH . '/wp-admin/includes/image.php'); + +$_SERVER['PATH_INFO'] = preg_replace( '/.*\/wp-app\.php/', '', $_SERVER['REQUEST_URI'] ); + +/** + * Whether to enable Atom Publishing Protocol Logging. + * + * @name app_logging + * @var int|bool + */ +$app_logging = 0; + +/** + * Whether to always authenticate user. Permanently set to true. + * + * @name always_authenticate + * @var int|bool + * @todo Should be an option somewhere + */ +$always_authenticate = 1; + +/** + * Writes logging info to a file. + * + * @since 2.2.0 + * @uses $app_logging + * @package WordPress + * @subpackage Logging + * + * @param string $label Type of logging + * @param string $msg Information describing logging reason. + */ +function log_app($label,$msg) { + global $app_logging; + if ($app_logging) { + $fp = fopen( 'wp-app.log', 'a+'); + $date = gmdate( 'Y-m-d H:i:s' ); + fwrite($fp, "\n\n$date - $label\n$msg\n"); + fclose($fp); + } +} + +if ( !function_exists('wp_set_current_user') ) : +/** + * @ignore + */ +function wp_set_current_user($id, $name = '') { + global $current_user; + + if ( isset($current_user) && ($id == $current_user->ID) ) + return $current_user; + + $current_user = new WP_User($id, $name); + + return $current_user; +} +endif; + +/** + * Filter to add more post statuses. + * + * @since 2.2.0 + * + * @param string $where SQL statement to filter. + * @return string Filtered SQL statement with added post_status for where clause. + */ +function wa_posts_where_include_drafts_filter($where) { + $where = str_replace("post_status = 'publish'","post_status = 'publish' OR post_status = 'future' OR post_status = 'draft' OR post_status = 'inherit'", $where); + return $where; + +} +add_filter('posts_where', 'wa_posts_where_include_drafts_filter'); + +/** + * WordPress AtomPub API implementation. + * + * @package WordPress + * @subpackage Publishing + * @since 2.2.0 + */ +class AtomServer { + + /** + * 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; + + /** + * PHP4 constructor - Sets up object properties. + * + * @since 2.2.0 + * @return AtomServer + */ + function AtomServer() { + + $this->script_name = array_pop(explode('/',$_SERVER['SCRIPT_NAME'])); + $this->app_base = get_bloginfo('url') . '/' . $this->script_name . '/'; + if ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) { + $this->app_base = preg_replace( '/^http:\/\//', 'https://', $this->app_base ); + } + + $this->selectors = array( + '@/service$@' => + 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+)$@' => + array('GET' => 'get_file', + 'PUT' => 'put_file', + 'DELETE' => 'delete_file'), + '@/attachment/(\d+)$@' => + array('GET' => 'get_attachment', + 'PUT' => 'put_attachment', + 'DELETE' => 'delete_attachment'), + ); + } + + /** + * Handle ATOMPUB request. + * + * @since 2.2.0 + */ + function handle_request() { + global $always_authenticate; + + if( !empty( $_SERVER['ORIG_PATH_INFO'] ) ) + $path = $_SERVER['ORIG_PATH_INFO']; + else + $path = $_SERVER['PATH_INFO']; + + $method = $_SERVER['REQUEST_METHOD']; + + log_app('REQUEST',"$method $path\n================"); + + $this->process_conditionals(); + //$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' ) ) + $this->forbidden( sprintf( __( 'AtomPub services are disabled on this blog. An admin user can enable them at %s' ), admin_url('options-writing.php') ) ); + + // dispatch + foreach($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()) { + if ($always_authenticate) { + $this->auth_required('Credentials required.'); + } + } + + array_shift($matches); + call_user_func_array(array(&$this,$funcs[$method]), $matches); + exit(); + } 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() { + log_app('function','get_service()'); + + if( !current_user_can( 'edit_posts' ) ) + $this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) ); + + $entries_url = esc_attr($this->get_entries_url()); + $categories_url = esc_attr($this->get_categories_url()); + $media_url = esc_attr($this->get_attachments_url()); + 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() { + log_app('function','get_categories_xml()'); + + if( !current_user_can( 'edit_posts' ) ) + $this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) ); + + $home = esc_attr(get_bloginfo_rss('home')); + + $categories = ""; + $cats = get_categories("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 $blog_id, $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); + + log_app('Received entry:', print_r($entry,true)); + + $catnames = array(); + foreach($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); + } + + $publish = (isset($entry->draft) && trim($entry->draft) == 'yes') ? false : true; + + $cap = ($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.')); + + $blog_ID = (int ) $blog_id; + $post_status = ($publish) ? 'publish' : 'draft'; + $post_author = (int) $user_ID; + $post_title = $entry->title[1]; + $post_content = $entry->content[1]; + $post_excerpt = $entry->summary[1]; + $pubtimes = $this->get_publish_time($entry->published); + $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); + log_app('Inserting Post. Data:', print_r($post_data,true)); + + $postID = wp_insert_post($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); + + log_app('function',"create_post($postID)"); + $this->created($postID, $output); + } + + /** + * Retrieve post. + * + * @since 2.2.0 + * + * @param int $postID Post ID. + */ + function get_post($postID) { + global $entry; + + if( !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); + log_app('function',"get_post($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); + + log_app('Received UPDATED entry:', print_r($parsed,true)); + + // 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.')); + + $publish = (isset($parsed->draft) && trim($parsed->draft) == 'yes') ? false : true; + $post_status = ($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, $parsed ); + + log_app('function',"put_post($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->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) { + $this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.')); + } + + log_app('function',"put_attachment($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); + $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 ocurred 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'); + } + + 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.')); + } + + $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 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.')); + } + + wp_update_attachment_metadata( $postID, wp_generate_attachment_metadata( $postID, $location ) ); + + log_app('function',"put_file($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(); + + $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')); + + $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; +?> +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(); + $this->echo_entry(); + log_app('$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() { ?> + + 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 $content; + exit; + + } + + /** + * Set 'Client Error' (400) status header. + * + * @since 2.2.0 + */ + function client_error($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 = << + + + 401 Unauthorized + + +

401 Unauthorized

+

$msg

+ + + +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'); + $xml = ''."\n".$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))); + } 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'])) { + 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()", $user->user_login); + 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 $server + */ +$server = new AtomServer(); +$server->handle_request(); + +?>