From 9384882739906e813f1a05491fd73e47e8105dee Mon Sep 17 00:00:00 2001 From: donncha Date: Wed, 24 Jan 2007 12:40:34 +0000 Subject: WP Merge to revision 4793 git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@865 7be80a69-a1ef-0310-a953-fb0f7c49ff36 --- app.php | 1197 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1197 insertions(+) create mode 100644 app.php (limited to 'app.php') diff --git a/app.php b/app.php new file mode 100644 index 0000000..690faa9 --- /dev/null +++ b/app.php @@ -0,0 +1,1197 @@ +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(strstr($this->in_content[count($this->in_content)-1], "<$endtag")) { + array_push($this->in_content, "/>"); + } else { + array_push($this->in_content, ""); + } + } + } + + array_shift($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(strstr($this->in_content[count($this->in_content)-1], "<")) { + 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 $INTROSPECTION_CONTENT_TYPE = 'application/atomserv+xml'; + + var $ENTRIES_PATH = "posts"; + var $MEDIA_PATH = "attachments"; + var $ENTRY_PATH = "post"; + var $MEDIA_SINGLE_PATH = "attachment"; + + var $params = array(); + var $script_name = "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'), + '@/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(); + $media_url = $this->get_attachments_url(); + $accepted_content_types = join(',',$this->media_content_types); + $introspection = << + + + entry + WordPress Posts + + + $accepted_content_types + WordPress Media + + + + +EOD; + $this->output($introspection, $this->INTROSPECTION_CONTENT_TYPE); + } + + /* + * Create Post (No arguments) + */ + function create_post() { + + $this->get_accepted_content_type($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 = 1; + $post_status = ($publish) ? 'publish' : 'draft'; + $post_author = $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'); + + $postID = wp_insert_post($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; + $this->set_current_entry($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; + $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() { + + $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); + + $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 $url; + } + + function get_attachments_url($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 = $post->ID; + } + + if ($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 = $post->ID; + } + + if ($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, $post_type = 'post') { + log_app('function',"get_feed($page, '$post_type')"); + ob_start(); + + if(!isset($page)) { + $page = 1; + } + $page = (int) $page; + + $count = get_settings('posts_per_rss'); + $query = "paged=$page&posts_per_page=$count&order=DESC"; + if($post_type == 'attachment') { + $query .= "&post_type=$post_type"; + } + query_posts($query); + global $post; + + $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) $last_page; +?> +the_entries_url() ?> + +<?php bloginfo_rss('name') ?> + + + + + + + + + + +Copyright +WordPress.com Atom API + + + + <![CDATA[<?php the_title() ?>]]> + + + + post_status == 'draft' ? 'yes' : 'no') ?> + + + + + + + + + post_status == 'attachment') { ?> + + + + + + + + + ]]> + post_content ) ) : ?> + + + + + + + + <![CDATA[<?php the_title_rss() ?>]]> + + + + + post_status == 'draft' ? 'yes' : 'no') ?> + + + + + + +post_type == 'attachment') { ?> + + + + + + + + + + ]]> +post_content ) ) : ?> + + + +auth_required("Access Denied."); + endif; + ob_end_clean(); + + log_app('get_entry returning:',$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_settings('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'); + $xml = ''."\n".$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(); + +?> -- cgit