| <?php |
| /* |
| * wp-app.php - Atom Publishing Protocol support for WordPress |
| * Original code by: Elias Torres, http://torrez.us/archives/2006/08/31/491/ |
| * Modified by: Dougal Campbell, http://dougal.gunters.org/ |
| * |
| * Version: 1.0.5-dc |
| */ |
| |
| define('APP_REQUEST', true); |
| |
| require_once('wp-config.php'); |
| require_once('wp-includes/post-template.php'); |
| |
| // Attempt to automatically detect whether to use querystring |
| // or PATH_INFO, based on our environment: |
| $use_querystring = $wp_version == 'MU' ? 1 : 0; |
| |
| // If using querystring, we need to put the path together manually: |
| if ($use_querystring) { |
| $GLOBALS['use_querystring'] = $use_querystring; |
| $action = $_GET['action']; |
| $eid = (int) $_GET['eid']; |
| |
| $_SERVER['PATH_INFO'] = $action; |
| |
| if ($eid) { |
| $_SERVER['PATH_INFO'] .= "/$eid"; |
| } |
| } else { |
| $_SERVER['PATH_INFO'] = str_replace( '/wp-app.php', '', $_SERVER['REQUEST_URI'] ); |
| } |
| |
| $app_logging = 0; |
| |
| function log_app($label,$msg) { |
| global $app_logging; |
| if ($app_logging) { |
| $fp = fopen( 'app.log', 'a+'); |
| $date = gmdate( 'Y-m-d H:i:s' ); |
| fwrite($fp, "\n\n$date - $label\n$msg\n"); |
| fclose($fp); |
| } |
| } |
| |
| if ( !function_exists('wp_set_current_user') ) : |
| function wp_set_current_user($id, $name = '') { |
| global $current_user; |
| |
| if ( isset($current_user) && ($id == $current_user->ID) ) |
| return $current_user; |
| |
| $current_user = new WP_User($id, $name); |
| |
| return $current_user; |
| } |
| endif; |
| |
| function wa_posts_where_include_drafts_filter($where) { |
| $where = ereg_replace("post_author = ([0-9]+) AND post_status != 'draft'","post_author = \\1 AND post_status = 'draft'", $where); |
| return $where; |
| } |
| add_filter('posts_where', 'wa_posts_where_include_drafts_filter'); |
| |
| class AtomEntry { |
| var $links = array(); |
| var $categories = array(); |
| } |
| |
| class AtomParser { |
| |
| var $ATOM_CONTENT_ELEMENTS = array('content','summary','title','subtitle','rights'); |
| var $ATOM_SIMPLE_ELEMENTS = array('id','updated','published','draft'); |
| |
| var $depth = 0; |
| var $indent = 2; |
| var $in_content; |
| var $ns_contexts = array(); |
| var $ns_decls = array(); |
| var $is_xhtml = false; |
| var $skipped_div = false; |
| |
| var $entry; |
| |
| function AtomParser() { |
| |
| $this->entry = new AtomEntry(); |
| $this->map_attrs_func = create_function('$k,$v', 'return "$k=\"$v\"";'); |
| $this->map_xmlns_func = create_function('$p,$n', '$xd = "xmlns"; if(strlen($n[0])>0) $xd .= ":{$n[0]}"; return "{$xd}=\"{$n[1]}\"";'); |
| } |
| |
| function parse() { |
| |
| global $app_logging; |
| array_unshift($this->ns_contexts, array()); |
| |
| $parser = xml_parser_create_ns(); |
| xml_set_object($parser, $this); |
| xml_set_element_handler($parser, "start_element", "end_element"); |
| xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0); |
| xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,0); |
| xml_set_character_data_handler($parser, "cdata"); |
| xml_set_default_handler($parser, "_default"); |
| xml_set_start_namespace_decl_handler($parser, "start_ns"); |
| xml_set_end_namespace_decl_handler($parser, "end_ns"); |
| |
| $contents = ""; |
| |
| $fp = fopen("php://input", "r"); |
| while(!feof($fp)) { |
| $line = fgets($fp, 4096); |
| |
| if($app_logging) $contents .= $line; |
| |
| if(!xml_parse($parser, $line)) { |
| log_app("xml_parse_error", "line: $line"); |
| $this->error = sprintf(__('XML error: %s at line %d')."\n", |
| xml_error_string(xml_get_error_code($xml_parser)), |
| xml_get_current_line_number($xml_parser)); |
| log_app("xml_parse_error", $this->error); |
| return false; |
| } |
| } |
| fclose($fp); |
| |
| xml_parser_free($parser); |
| |
| log_app("AtomParser->parse()",trim($contents)); |
| |
| return true; |
| } |
| |
| function start_element($parser, $name, $attrs) { |
| |
| $tag = array_pop(split(":", $name)); |
| |
| array_unshift($this->ns_contexts, $this->ns_decls); |
| |
| $this->depth++; |
| |
| #print str_repeat(" ", $this->depth * $this->indent) . "start_element('$name')" ."\n"; |
| #print str_repeat(" ", $this->depth+1 * $this->indent) . print_r($this->ns_contexts,true) ."\n"; |
| |
| if(!empty($this->in_content)) { |
| $attrs_prefix = array(); |
| |
| // resolve prefixes for attributes |
| foreach($attrs as $key => $value) { |
| $attrs_prefix[$this->ns_to_prefix($key)] = $this->xml_escape($value); |
| } |
| $attrs_str = join(' ', array_map($this->map_attrs_func, array_keys($attrs_prefix), array_values($attrs_prefix))); |
| if(strlen($attrs_str) > 0) { |
| $attrs_str = " " . $attrs_str; |
| } |
| |
| $xmlns_str = join(' ', array_map($this->map_xmlns_func, array_keys($this->ns_contexts[0]), array_values($this->ns_contexts[0]))); |
| if(strlen($xmlns_str) > 0) { |
| $xmlns_str = " " . $xmlns_str; |
| } |
| |
| // handle self-closing tags (case: a new child found right-away, no text node) |
| if(count($this->in_content) == 2) { |
| array_push($this->in_content, ">"); |
| } |
| |
| array_push($this->in_content, "<". $this->ns_to_prefix($name) ."{$xmlns_str}{$attrs_str}"); |
| } else if(in_array($tag, $this->ATOM_CONTENT_ELEMENTS) || in_array($tag, $this->ATOM_SIMPLE_ELEMENTS)) { |
| $this->in_content = array(); |
| $this->is_xhtml = $attrs['type'] == 'xhtml'; |
| array_push($this->in_content, array($tag,$this->depth)); |
| } else if($tag == 'link') { |
| array_push($this->entry->links, $attrs); |
| } else if($tag == 'category') { |
| array_push($this->entry->categories, $attrs); |
| } |
| |
| $this->ns_decls = array(); |
| } |
| |
| function end_element($parser, $name) { |
| |
| $tag = array_pop(split(":", $name)); |
| |
| if(!empty($this->in_content)) { |
| if($this->in_content[0][0] == $tag && |
| $this->in_content[0][1] == $this->depth) { |
| array_shift($this->in_content); |
| if($this->is_xhtml) { |
| $this->in_content = array_slice($this->in_content, 2, count($this->in_content)-3); |
| } |
| $this->entry->$tag = join('',$this->in_content); |
| $this->in_content = array(); |
| } else { |
| $endtag = $this->ns_to_prefix($name); |
| if (strpos($this->in_content[count($this->in_content)-1], '<' . $endtag) !== false) { |
| array_push($this->in_content, "/>"); |
| } else { |
| array_push($this->in_content, "</$endtag>"); |
| } |
| } |
| } |
| |
| array_shift($this->ns_contexts); |
| |
| #print str_repeat(" ", $this->depth * $this->indent) . "end_element('$name')" ."\n"; |
| |
| $this->depth--; |
| } |
| |
| function start_ns($parser, $prefix, $uri) { |
| #print str_repeat(" ", $this->depth * $this->indent) . "starting: " . $prefix . ":" . $uri . "\n"; |
| array_push($this->ns_decls, array($prefix,$uri)); |
| } |
| |
| function end_ns($parser, $prefix) { |
| #print str_repeat(" ", $this->depth * $this->indent) . "ending: #" . $prefix . "#\n"; |
| } |
| |
| function cdata($parser, $data) { |
| #print str_repeat(" ", $this->depth * $this->indent) . "data: #" . $data . "#\n"; |
| if(!empty($this->in_content)) { |
| // handle self-closing tags (case: text node found, need to close element started) |
| if (strpos($this->in_content[count($this->in_content)-1], '<') !== false) { |
| array_push($this->in_content, ">"); |
| } |
| array_push($this->in_content, $this->xml_escape($data)); |
| } |
| } |
| |
| function _default($parser, $data) { |
| # when does this gets called? |
| } |
| |
| |
| function ns_to_prefix($qname) { |
| $components = split(":", $qname); |
| $name = array_pop($components); |
| |
| if(!empty($components)) { |
| $ns = join(":",$components); |
| foreach($this->ns_contexts as $context) { |
| foreach($context as $mapping) { |
| if($mapping[1] == $ns && strlen($mapping[0]) > 0) { |
| return "$mapping[0]:$name"; |
| } |
| } |
| } |
| } |
| return $name; |
| } |
| |
| function xml_escape($string) |
| { |
| return str_replace(array('&','"',"'",'<','>'), |
| array('&','"',''','<','>'), |
| $string ); |
| } |
| } |
| |
| class AtomServer { |
| |
| var $ATOM_CONTENT_TYPE = 'application/atom+xml'; |
| var $CATEGORIES_CONTENT_TYPE = 'application/atomcat+xml'; |
| var $INTROSPECTION_CONTENT_TYPE = 'application/atomserv+xml'; |
| |
| var $ENTRIES_PATH = "posts"; |
| var $CATEGORIES_PATH = "categories"; |
| var $MEDIA_PATH = "attachments"; |
| var $ENTRY_PATH = "post"; |
| var $MEDIA_SINGLE_PATH = "attachment"; |
| |
| var $params = array(); |
| var $script_name = "wp-app.php"; |
| var $media_content_types = array('image/*','audio/*','video/*'); |
| var $atom_content_types = array('application/atom+xml'); |
| |
| var $selectors = array(); |
| |
| // support for head |
| var $do_output = true; |
| |
| function AtomServer() { |
| |
| $this->script_name = array_pop(explode('/',$_SERVER['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/?([^/]+)?@' => |
| 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'), |
| ); |
| } |
| |
| function handle_request() { |
| |
| $path = $_SERVER['PATH_INFO']; |
| $method = $_SERVER['REQUEST_METHOD']; |
| |
| log_app('REQUEST',"$method $path\n================"); |
| |
| //$this->process_conditionals(); |
| |
| // exception case for HEAD (treat exactly as GET, but don't output) |
| if($method == 'HEAD') { |
| $this->do_output = false; |
| $method = 'GET'; |
| } |
| |
| // lame. |
| if(strlen($path) == 0 || $path == '/') { |
| $path = '/service'; |
| } |
| |
| // authenticate regardless of the operation and set the current |
| // user. each handler will decide if auth is required or not. |
| $this->authenticate(); |
| |
| // dispatch |
| foreach($this->selectors as $regex => $funcs) { |
| if(preg_match($regex, $path, $matches)) { |
| if(isset($funcs[$method])) { |
| array_shift($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(); |
| } |
| |
| function get_service() { |
| log_app('function','get_service()'); |
| $entries_url = $this->get_entries_url(); |
| $categories_url = $this->get_categories_url(); |
| $media_url = $this->get_attachments_url(); |
| $accepted_content_types = join(',',$this->media_content_types); |
| $introspection = <<<EOD |
| <service xmlns="http://purl.org/atom/app#" xmlns:atom="http://www.w3.org/2005/Atom"> |
| <workspace title="WordPress Workspace"> |
| <collection href="$entries_url" title="Posts"> |
| <atom:title>WordPress Posts</atom:title> |
| <accept>entry</accept> |
| <categories href="$categories_url" /> |
| </collection> |
| <collection href="$media_url" title="Media"> |
| <atom:title>WordPress Media</atom:title> |
| <accept>$accepted_content_types</accept> |
| </collection> |
| </workspace> |
| </service> |
| |
| EOD; |
| |
| $this->output($introspection, $this->INTROSPECTION_CONTENT_TYPE); |
| } |
| |
| function get_categories_xml() { |
| log_app('function','get_categories_xml()'); |
| $home = get_bloginfo_rss('home'); |
| |
| $categories = ""; |
| $cats = get_categories("hierarchical=0&hide_empty=0"); |
| foreach ((array) $cats as $cat) { |
| $categories .= " <category term=\"" . attribute_escape($cat->cat_name) . "\" />\n"; |
| } |
| $output = <<<EOD |
| <app:categories xmlns:app="http://purl.org/atom/app#" |
| xmlns="http://www.w3.org/2005/Atom" |
| fixed="yes" scheme="$home"> |
| $categories |
| </app:categories> |
| EOD; |
| $this->output($output, $this->CATEGORIES_CONTENT_TYPE); |
| } |
| |
| /* |
| * Create Post (No arguments) |
| */ |
| function create_post() { |
| global $blog_id; |
| $this->get_accepted_content_type($this->atom_content_types); |
| |
| $parser = new AtomParser(); |
| if(!$parser->parse()) { |
| $this->client_error(); |
| } |
| |
| $entry = $parser->entry; |
| |
| $publish = (isset($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; |
| $post_content = $entry->content; |
| $post_excerpt = $entry->summary; |
| $post_date = current_time('mysql'); |
| $post_date_gmt = current_time('mysql', 1); |
| |
| $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt'); |
| |
| log_app('Inserting Post. Data:', print_r($post_data,true)); |
| |
| $postID = wp_insert_post($post_data); |
| |
| if (!$postID) { |
| $this->internal_error('Sorry, your entry could not be posted. Something wrong happened.'); |
| } |
| |
| $output = $this->get_entry($postID); |
| |
| log_app('function',"create_post($postID)"); |
| $this->created($postID, $output); |
| } |
| |
| function get_post($postID) { |
| |
| global $entry; |
| $this->set_current_entry($postID); |
| $output = $this->get_entry($postID); |
| log_app('function',"get_post($postID)"); |
| $this->output($output); |
| |
| } |
| |
| 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 = $parser->entry; |
| |
| // check for not found |
| global $entry; |
| $entry = $GLOBALS['entry']; |
| $this->set_current_entry($postID); |
| $this->escape($GLOBALS['entry']); |
| |
| 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($parsed->draft) == 'yes') ? false : true; |
| |
| extract($entry); |
| |
| $post_title = $parsed->title; |
| $post_content = $parsed->content; |
| $post_excerpt = $parsed->summary; |
| |
| // let's not go backwards and make something draft again. |
| if(!$publish && $post_status == 'draft') { |
| $post_status = ($publish) ? 'publish' : 'draft'; |
| } |
| |
| $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt'); |
| |
| $result = wp_update_post($postdata); |
| |
| if (!$result) { |
| $this->internal_error('For some strange yet very annoying reason, this post could not be edited.'); |
| } |
| |
| log_app('function',"put_post($postID)"); |
| $this->ok(); |
| } |
| |
| function delete_post($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)"); |
| $this->ok(); |
| } |
| |
| } |
| |
| function get_attachment($postID = NULL) { |
| |
| global $entry; |
| if (!isset($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); |
| } |
| } |
| |
| function create_attachment() { |
| global $wp, $wpdb, $wp_query, $blog_id; |
| |
| $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-z]+)|', '$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']; |
| $filename = basename($file); |
| |
| $header = apply_filters('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, $post); |
| |
| if (!$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)"); |
| } |
| |
| 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 = $parser->entry; |
| |
| // check for not found |
| global $entry; |
| $this->set_current_entry($postID); |
| $this->escape($entry); |
| |
| 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($parsed->draft) == 'yes') ? false : true; |
| |
| extract($entry); |
| |
| $post_title = $parsed->title; |
| $post_content = $parsed->content; |
| |
| $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt'); |
| |
| $result = wp_update_post($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)"); |
| $this->ok(); |
| } |
| |
| function delete_attachment($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); |
| |
| // 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."); |
| $this->ok(); |
| } |
| |
| function get_file($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); |
| |
| if(!isset($location)) |
| $this->internal_error(__('Error ocurred while accessing post metadata for file location.')); |
| |
| header('Content-Type: ' . $entry['post_mime_type']); |
| |
| $fp = fopen($location, "rb"); |
| while(!feof($fp)) { |
| echo fread($fp, 4096); |
| } |
| fclose($fp); |
| |
| log_app('function',"get_file($postID)"); |
| $this->ok(); |
| } |
| |
| function put_file($postID) { |
| |
| $type = $this->get_accepted_content_type(); |
| |
| // first check if user can upload |
| if(!current_user_can('upload_files')) |
| $this->auth_required(__('You do not have permission to upload files.')); |
| |
| // check for not found |
| global $entry; |
| $this->set_current_entry($postID); |
| |
| // then whether user can edit the specific post |
| if(!current_user_can('edit_post', $postID)) { |
| $this->auth_required(__('Sorry, you do not have the right to edit this post.')); |
| } |
| |
| $location = get_post_meta($entry['ID'], '_wp_attached_file', true); |
| |
| if(!isset($location)) |
| $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($localfp); |
| |
| log_app('function',"put_file($postID)"); |
| $this->ok(); |
| } |
| |
| function get_entries_url($page = NULL) { |
| global $use_querystring; |
| $url = get_bloginfo('url') . '/' . $this->script_name; |
| if ($use_querystring) { |
| $url .= '?action=/' . $this->ENTRIES_PATH; |
| if(isset($page) && is_int($page)) { |
| $url .= "&eid=$page"; |
| } |
| } else { |
| $url .= '/' . $this->ENTRIES_PATH; |
| if(isset($page) && is_int($page)) { |
| $url .= "/$page"; |
| } |
| } |
| return $url; |
| } |
| |
| function the_entries_url($page = NULL) { |
| $url = $this->get_entries_url($page); |
| echo $url; |
| } |
| |
| function get_categories_url($page = NULL) { |
| global $use_querystring; |
| $url = get_bloginfo('url') . '/' . $this->script_name; |
| if ($use_querystring) { |
| $url .= '?action=/' . $this->CATEGORIES_PATH; |
| } else { |
| $url .= '/' . $this->CATEGORIES_PATH; |
| } |
| return $url; |
| } |
| |
| function the_categories_url() { |
| $url = $this->get_categories_url(); |
| echo $url; |
| } |
| |
| function get_attachments_url($page = NULL) { |
| global $use_querystring; |
| $url = get_bloginfo('url') . '/' . $this->script_name; |
| if ($use_querystring) { |
| $url .= '?action=/' . $this->MEDIA_PATH; |
| if(isset($page) && is_int($page)) { |
| $url .= "&eid=$page"; |
| } |
| } else { |
| $url .= '/' . $this->MEDIA_PATH; |
| if(isset($page) && is_int($page)) { |
| $url .= "/$page"; |
| } |
| } |
| return $url; |
| } |
| |
| function the_attachments_url($page = NULL) { |
| $url = $this->get_attachments_url($page); |
| echo $url; |
| } |
| |
| |
| function get_entry_url($postID = NULL) { |
| global $use_querystring; |
| if(!isset($postID)) { |
| global $post; |
| $postID = (int) $GLOBALS['post']->ID; |
| } |
| |
| if ($use_querystring) { |
| $url = get_bloginfo('url') . '/' . $this->script_name . '?action=/' . $this->ENTRY_PATH . "&eid=$postID"; |
| } else { |
| $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->ENTRY_PATH . "/$postID"; |
| } |
| |
| log_app('function',"get_entry_url() = $url"); |
| return $url; |
| } |
| |
| function the_entry_url($postID = NULL) { |
| $url = $this->get_entry_url($postID); |
| echo $url; |
| } |
| |
| function get_media_url($postID = NULL) { |
| global $use_querystring; |
| if(!isset($postID)) { |
| global $post; |
| $postID = (int) $GLOBALS['post']->ID; |
| } |
| |
| if ($use_querystring) { |
| $url = get_bloginfo('url') . '/' . $this->script_name . '?action=/' . $this->MEDIA_SINGLE_PATH ."&eid=$postID"; |
| } else { |
| $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->MEDIA_SINGLE_PATH ."/$postID"; |
| } |
| |
| log_app('function',"get_media_url() = $url"); |
| return $url; |
| } |
| |
| function the_media_url($postID = NULL) { |
| $url = $this->get_media_url($postID); |
| echo $url; |
| } |
| |
| function set_current_entry($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; |
| } |
| |
| function get_posts_count() { |
| global $wpdb; |
| log_app('function',"get_posts_count()"); |
| return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_date_gmt < '" . gmdate("Y-m-d H:i:s",time()) . "'"); |
| } |
| |
| |
| function get_posts($page = 1, $post_type = 'post') { |
| log_app('function',"get_posts($page, '$post_type')"); |
| $feed = $this->get_feed($page, $post_type); |
| $this->output($feed); |
| } |
| |
| function get_attachments($page = 1, $post_type = 'attachment') { |
| log_app('function',"get_attachments($page, '$post_type')"); |
| $feed = $this->get_feed($page, $post_type); |
| $this->output($feed); |
| } |
| |
| function get_feed($page = 1, $post_type = 'post') { |
| global $post, $wp, $wp_query, $posts, $wpdb, $blog_id, $post_cache; |
| log_app('function',"get_feed($page, '$post_type')"); |
| ob_start(); |
| |
| if(!isset($page)) { |
| $page = 1; |
| } |
| $page = (int) $page; |
| |
| $count = get_option('posts_per_rss'); |
| $query = "paged=$page&posts_per_page=$count&order=DESC"; |
| if($post_type == 'attachment') { |
| $query .= "&post_type=$post_type"; |
| } |
| query_posts($query); |
| $post = $GLOBALS['post']; |
| $posts = $GLOBALS['posts']; |
| $wp = $GLOBALS['wp']; |
| $wp_query = $GLOBALS['wp_query']; |
| $wpdb = $GLOBALS['wpdb']; |
| $blog_id = (int) $GLOBALS['blog_id']; |
| $post_cache = $GLOBALS['post_cache']; |
| |
| |
| $total_count = $this->get_posts_count(); |
| $last_page = (int) ceil($total_count / $count); |
| $next_page = (($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; |
| ?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:app="http://purl.org/atom/app#" xml:lang="<?php echo get_option('rss_language'); ?>"> |
| <id><?php $this->the_entries_url() ?></id> |
| <updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT')); ?></updated> |
| <title type="text"><?php bloginfo_rss('name') ?></title> |
| <subtitle type="text"><?php bloginfo_rss("description") ?></subtitle> |
| <link rel="first" type="application/atom+xml" href="<?php $this->the_entries_url() ?>" /> |
| <?php if(isset($prev_page)): ?> |
| <link rel="previous" type="application/atom+xml" href="<?php $this->the_entries_url($prev_page) ?>" /> |
| <?php endif; ?> |
| <?php if(isset($next_page)): ?> |
| <link rel="next" type="application/atom+xml" href="<?php $this->the_entries_url($next_page) ?>" /> |
| <?php endif; ?> |
| <link rel="last" type="application/atom+xml" href="<?php $this->the_entries_url($last_page) ?>" /> |
| <link rel="self" type="application/atom+xml" href="<?php $this->the_entries_url() ?>" /> |
| <rights type="text">Copyright <?php echo mysql2date('Y', get_lastpostdate('blog')); ?></rights> |
| <generator uri="http://wordpress.com/" version="1.0.5-dc">WordPress.com Atom API</generator> |
| <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); |
| $post = $GLOBALS['post']; |
| ?> |
| <entry> |
| <id><?php the_guid($post->ID); ?></id> |
| <title type="html"><![CDATA[<?php the_title() ?>]]></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:control> |
| <app:draft><?php echo ($GLOBALS['post']->post_status == 'draft' ? 'yes' : 'no') ?></app:draft> |
| </app:control> |
| <author> |
| <name><?php the_author()?></name> |
| <email><?php the_author_email()?></email> |
| <?php if (get_the_author_url() && get_the_author_url() != 'http://') { ?> |
| <uri><?php the_author_url()?></uri> |
| <?php } ?> |
| </author> |
| <?php if($GLOBALS['post']->post_status == 'attachment') { ?> |
| <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
| <link rel="edit-media" href="<?php $this->the_media_url() ?>" /> |
| <?php } else { ?> |
| <link href="<?php permalink_single_rss() ?>" /> |
| <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
| <?php } ?> |
| <?php foreach(get_the_category() as $category) { ?> |
| <category scheme="<?php bloginfo_rss('home') ?>" term="<?php echo $category->cat_name?>" /> |
| <?php } ?> <summary type="html"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary> |
| <?php if ( strlen( $GLOBALS['post']->post_content ) ) : ?> |
| <content type="html"><![CDATA[<?php echo get_the_content('', 0, '') ?>]]></content> |
| <?php endif; ?> |
| </entry> |
| <?php |
| endwhile; |
| endif; |
| ?></feed> |
| <?php |
| $feed = ob_get_contents(); |
| ob_end_clean(); |
| return $feed; |
| } |
| |
| function get_entry($postID, $post_type = 'post') { |
| log_app('function',"get_entry($postID, '$post_type')"); |
| ob_start(); |
| global $posts, $post, $wp_query, $wp, $wpdb, $blog_id, $post_cache; |
| switch($post_type) { |
| case 'post': |
| $varname = 'p'; |
| break; |
| case 'attachment': |
| $varname = 'attachment_id'; |
| break; |
| } |
| query_posts($varname . '=' . $postID); |
| if ( have_posts() ) : while ( have_posts() ) : the_post(); |
| $post = $GLOBALS['post']; |
| ?> |
| <?php log_app('$post',print_r($GLOBALS['post'],true)); ?> |
| <entry xmlns="http://www.w3.org/2005/Atom" xmlns:app="http://purl.org/atom/app#" xml:lang="<?php echo get_option('rss_language'); ?>"> |
| <id><?php the_guid($post->ID); ?></id> |
| <title type="html"><![CDATA[<?php the_title_rss() ?>]]></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:control> |
| <app:draft><?php echo ($GLOBALS['post']->post_status == 'draft' ? 'yes' : 'no') ?></app:draft> |
| </app:control> |
| <author> |
| <name><?php the_author()?></name> |
| <email><?php the_author_email()?></email> |
| <uri><?php the_author_url()?></uri> |
| </author> |
| <?php if($GLOBALS['post']->post_type == 'attachment') { ?> |
| <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
| <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 permalink_single_rss() ?>" /> |
| <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
| <?php } ?> |
| <?php foreach(get_the_category() as $category) { ?> |
| <category scheme="<?php bloginfo_rss('home') ?>" term="<?php echo $category->cat_name?>" /> |
| <summary type="html"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary> |
| <?php } |
| if ( strlen( $GLOBALS['post']->post_content ) ) : ?> |
| <content type="html"><![CDATA[<?php echo get_the_content('', 0, '') ?>]]></content> |
| <?php endif; ?> |
| </entry> |
| <?php |
| $entry = ob_get_contents(); |
| break; |
| endwhile; |
| else: |
| $this->auth_required(__("Access Denied.")); |
| endif; |
| ob_end_clean(); |
| |
| log_app('get_entry returning:',$entry); |
| return $entry; |
| } |
| |
| function ok() { |
| log_app('Status','200: OK'); |
| header('Content-Type: text/plain'); |
| status_header('200'); |
| exit; |
| } |
| |
| function no_content() { |
| log_app('Status','204: No Content'); |
| header('Content-Type: text/plain'); |
| status_header('204'); |
| echo "Deleted."; |
| exit; |
| } |
| |
| function internal_error($msg = 'Internal Server Error') { |
| log_app('Status','500: Server Error'); |
| header('Content-Type: text/plain'); |
| status_header('500'); |
| echo $msg; |
| exit; |
| } |
| |
| function bad_request() { |
| log_app('Status','400: Bad Request'); |
| header('Content-Type: text/plain'); |
| status_header('400'); |
| exit; |
| } |
| |
| function length_required() { |
| log_app('Status','411: Length Required'); |
| header("HTTP/1.1 411 Length Required"); |
| header('Content-Type: text/plain'); |
| status_header('411'); |
| exit; |
| } |
| |
| function invalid_media() { |
| log_app('Status','415: Unsupported Media Type'); |
| header("HTTP/1.1 415 Unsupported Media Type"); |
| header('Content-Type: text/plain'); |
| exit; |
| } |
| |
| function not_found() { |
| log_app('Status','404: Not Found'); |
| header('Content-Type: text/plain'); |
| status_header('404'); |
| exit; |
| } |
| |
| function not_allowed($allow) { |
| log_app('Status','405: Not Allowed'); |
| header('Allow: ' . join(',', $allow)); |
| status_header('405'); |
| exit; |
| } |
| |
| function client_error($msg = 'Client Error') { |
| log_app('Status','400: Client Errir'); |
| header('Content-Type: text/plain'); |
| status_header('400'); |
| exit; |
| } |
| |
| function created($post_ID, $content, $post_type = 'post') { |
| global $use_querystring; |
| log_app('created()::$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': |
| if ($use_querystring) { |
| $edit = get_bloginfo('url') . '/' . $this->script_name . "?action=/attachments&eid=$post_ID"; |
| } else { |
| $edit = get_bloginfo('url') . '/' . $this->script_name . "/attachments/$post_ID"; |
| } |
| break; |
| } |
| header('Content-Type: application/atom+xml'); |
| if(isset($ctloc)) |
| header('Content-Location: ' . $ctloc); |
| header('Location: ' . $edit); |
| status_header('201'); |
| echo $content; |
| exit; |
| } |
| |
| function auth_required($msg) { |
| log_app('Status','401: Auth Required'); |
| nocache_headers(); |
| header('WWW-Authenticate: Basic realm="WordPress Atom Protocol"'); |
| header('WWW-Authenticate: Form action="' . get_option('siteurl') . '/wp-login.php"', false); |
| header("HTTP/1.1 401 $msg"); |
| header('Status: ' . $msg); |
| header('Content-Type: plain/text'); |
| echo $msg; |
| exit; |
| } |
| |
| function output($xml, $ctype = "application/atom+xml") { |
| status_header('200'); |
| $xml = '<?xml version="1.0" encoding="' . strtolower(get_option('blog_charset')) . '"?>'."\n".$xml; |
| header('Connection: close'); |
| header('Content-Length: '. strlen($xml)); |
| header('Content-Type: ' . $ctype); |
| header('Content-Disposition: attachment; filename=atom.xml'); |
| header('Date: '. date('r')); |
| if($this->do_output) |
| echo $xml; |
| log_app('function', "output:\n$xml"); |
| exit; |
| } |
| |
| 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 |
| */ |
| function authenticate() { |
| $login_data = array(); |
| $already_md5 = false; |
| |
| log_app("authenticate()",print_r($_ENV, true)); |
| |
| // if using mod_rewrite/ENV hack |
| // http://www.besthostratings.com/articles/http-auth-php-cgi.html |
| if(isset($_SERVER['HTTP_AUTHORIZATION'])) { |
| list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = |
| explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6))); |
| } |
| |
| // If Basic Auth is working... |
| if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) { |
| $login_data = array('login' => $_SERVER['PHP_AUTH_USER'], 'password' => $_SERVER['PHP_AUTH_PW']); |
| } else { |
| // else, do cookie-based authentication |
| if (function_exists('wp_get_cookie_login')) { |
| $login_data = wp_get_cookie_login(); |
| $already_md5 = true; |
| } |
| } |
| |
| // call wp_login and set current user |
| if (!empty($login_data) && wp_login($login_data['login'], $login_data['password'], $already_md5)) { |
| $current_user = new WP_User(0, $login_data['login']); |
| wp_set_current_user($current_user->ID); |
| log_app("authenticate()",$login_data['login']); |
| } |
| } |
| |
| function get_accepted_content_type($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; |
| } |
| } |
| |
| $this->invalid_media(); |
| } |
| |
| |
| |
| function process_conditionals() { |
| |
| if(empty($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; |
| } |
| } |
| |
| |
| } |
| |
| $server = new AtomServer(); |
| $server->handle_request(); |
| |
| ?> |