1486 lines
36 KiB
PHP
1486 lines
36 KiB
PHP
<?php
|
|
|
|
/**
|
|
* WordPress AtomPub API implementation.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Publishing
|
|
* @since 2.2.0
|
|
*/
|
|
class wp_atom_server {
|
|
|
|
/**
|
|
* ATOM content type.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $ATOM_CONTENT_TYPE = 'application/atom+xml';
|
|
|
|
/**
|
|
* Categories ATOM content type.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $CATEGORIES_CONTENT_TYPE = 'application/atomcat+xml';
|
|
|
|
/**
|
|
* Service ATOM content type.
|
|
*
|
|
* @since 2.3.0
|
|
* @var string
|
|
*/
|
|
var $SERVICE_CONTENT_TYPE = 'application/atomsvc+xml';
|
|
|
|
/**
|
|
* ATOM XML namespace.
|
|
*
|
|
* @since 2.3.0
|
|
* @var string
|
|
*/
|
|
var $ATOM_NS = 'http://www.w3.org/2005/Atom';
|
|
|
|
/**
|
|
* ATOMPUB XML namespace.
|
|
*
|
|
* @since 2.3.0
|
|
* @var string
|
|
*/
|
|
var $ATOMPUB_NS = 'http://www.w3.org/2007/app';
|
|
|
|
/**
|
|
* Entries path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $ENTRIES_PATH = "posts";
|
|
|
|
/**
|
|
* Categories path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $CATEGORIES_PATH = "categories";
|
|
|
|
/**
|
|
* Media path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $MEDIA_PATH = "attachments";
|
|
|
|
/**
|
|
* Entry path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $ENTRY_PATH = "post";
|
|
|
|
/**
|
|
* Service path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $SERVICE_PATH = "service";
|
|
|
|
/**
|
|
* Media single path.
|
|
*
|
|
* @since 2.2.0
|
|
* @var string
|
|
*/
|
|
var $MEDIA_SINGLE_PATH = "attachment";
|
|
|
|
/**
|
|
* ATOMPUB parameters.
|
|
*
|
|
* @since 2.2.0
|
|
* @var array
|
|
*/
|
|
var $params = array();
|
|
|
|
/**
|
|
* Supported ATOMPUB media types.
|
|
*
|
|
* @since 2.3.0
|
|
* @var array
|
|
*/
|
|
var $media_content_types = array('image/*','audio/*','video/*');
|
|
|
|
/**
|
|
* ATOMPUB content type(s).
|
|
*
|
|
* @since 2.2.0
|
|
* @var array
|
|
*/
|
|
var $atom_content_types = array('application/atom+xml');
|
|
|
|
/**
|
|
* ATOMPUB methods.
|
|
*
|
|
* @since 2.2.0
|
|
* @var unknown_type
|
|
*/
|
|
var $selectors = array();
|
|
|
|
/**
|
|
* Whether to do output.
|
|
*
|
|
* Support for head.
|
|
*
|
|
* @since 2.2.0
|
|
* @var bool
|
|
*/
|
|
var $do_output = true;
|
|
|
|
/**
|
|
* Constructor - Sets up object properties.
|
|
*
|
|
* @since 2.2.0
|
|
* @return AtomServer
|
|
*/
|
|
function __construct() {
|
|
|
|
$var_by_ref = explode( '/', $_SERVER['SCRIPT_NAME'] );
|
|
$this->script_name = array_pop( $var_by_ref );
|
|
$this->app_base = site_url( $this->script_name . '/' );
|
|
|
|
$this->selectors = array(
|
|
'@/service$@' =>
|
|
array('GET' => 'get_service'),
|
|
'@/categories$@' =>
|
|
array('GET' => 'get_categories_xml'),
|
|
'@/post/(\d+)$@' =>
|
|
array('GET' => 'get_post',
|
|
'PUT' => 'put_post',
|
|
'DELETE' => 'delete_post'),
|
|
'@/posts/?(\d+)?$@' =>
|
|
array('GET' => 'get_posts',
|
|
'POST' => 'create_post'),
|
|
'@/attachments/?(\d+)?$@' =>
|
|
array('GET' => 'get_attachment',
|
|
'POST' => 'create_attachment'),
|
|
'@/attachment/file/(\d+)$@' =>
|
|
array('GET' => 'get_file',
|
|
'PUT' => 'put_file',
|
|
'DELETE' => 'delete_file'),
|
|
'@/attachment/(\d+)$@' =>
|
|
array('GET' => 'get_attachment',
|
|
'PUT' => 'put_attachment',
|
|
'DELETE' => 'delete_attachment'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Handle ATOMPUB request.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function handle_request() {
|
|
|
|
if ( !empty( $_SERVER['ORIG_PATH_INFO'] ) )
|
|
$path = $_SERVER['ORIG_PATH_INFO'];
|
|
else
|
|
$path = $_SERVER['PATH_INFO'];
|
|
|
|
$method = $_SERVER['REQUEST_METHOD'];
|
|
|
|
$this->process_conditionals();
|
|
//$this->process_conditionals();
|
|
|
|
// exception case for HEAD (treat exactly as GET, but don't output)
|
|
if ($method == 'HEAD') {
|
|
$this->do_output = false;
|
|
$method = 'GET';
|
|
}
|
|
|
|
// redirect to /service in case no path is found.
|
|
if (strlen($path) == 0 || $path == '/')
|
|
$this->redirect($this->get_service_url());
|
|
|
|
// check to see if AtomPub is enabled
|
|
if ( !get_option( 'enable_app' ) )
|
|
$this->forbidden( sprintf( __( 'AtomPub services are disabled on this site. An admin user can enable them at %s' ), admin_url('options-writing.php') ) );
|
|
|
|
// dispatch
|
|
foreach ( $this->selectors as $regex => $funcs ) {
|
|
if ( preg_match($regex, $path, $matches) ) {
|
|
if ( isset($funcs[$method]) ) {
|
|
|
|
// authenticate regardless of the operation and set the current
|
|
// user. each handler will decide if auth is required or not.
|
|
if ( !$this->authenticate() ) {
|
|
$this->auth_required('Credentials required.');
|
|
}
|
|
|
|
array_shift($matches);
|
|
call_user_func_array(array($this,$funcs[$method]), $matches);
|
|
wp_die();
|
|
} else {
|
|
// only allow what we have handlers for...
|
|
$this->not_allowed(array_keys($funcs));
|
|
}
|
|
}
|
|
}
|
|
|
|
// oops, nothing found
|
|
$this->not_found();
|
|
}
|
|
|
|
/**
|
|
* Retrieve XML for ATOMPUB service.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function get_service() {
|
|
|
|
if ( !current_user_can( 'edit_posts' ) )
|
|
$this->auth_required( __( 'Sorry, you do not have the right to access this site.' ) );
|
|
|
|
$entries_url = esc_attr($this->get_entries_url());
|
|
$categories_url = esc_attr($this->get_categories_url());
|
|
$media_url = esc_attr($this->get_attachments_url());
|
|
$accepted_media_types = '';
|
|
foreach ($this->media_content_types as $med) {
|
|
$accepted_media_types = $accepted_media_types . "<accept>" . $med . "</accept>";
|
|
}
|
|
$atom_prefix="atom";
|
|
$atom_blogname = get_bloginfo('name');
|
|
$service_doc = <<<EOD
|
|
<service xmlns="$this->ATOMPUB_NS" xmlns:$atom_prefix="$this->ATOM_NS">
|
|
<workspace>
|
|
<$atom_prefix:title>$atom_blogname Workspace</$atom_prefix:title>
|
|
<collection href="$entries_url">
|
|
<$atom_prefix:title>$atom_blogname Posts</$atom_prefix:title>
|
|
<accept>$this->ATOM_CONTENT_TYPE;type=entry</accept>
|
|
<categories href="$categories_url" />
|
|
</collection>
|
|
<collection href="$media_url">
|
|
<$atom_prefix:title>$atom_blogname Media</$atom_prefix:title>
|
|
$accepted_media_types
|
|
</collection>
|
|
</workspace>
|
|
</service>
|
|
|
|
EOD;
|
|
|
|
$this->output($service_doc, $this->SERVICE_CONTENT_TYPE);
|
|
}
|
|
|
|
/**
|
|
* Retrieve categories list in XML format.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function get_categories_xml() {
|
|
|
|
if ( !current_user_can( 'edit_posts' ) )
|
|
$this->auth_required( __( 'Sorry, you do not have the right to access this site.' ) );
|
|
|
|
$home = esc_attr(get_bloginfo_rss('url'));
|
|
|
|
$categories = "";
|
|
$cats = get_categories(array('hierarchical' => 0, 'hide_empty' => 0));
|
|
foreach ( (array) $cats as $cat ) {
|
|
$categories .= " <category term=\"" . esc_attr($cat->name) . "\" />\n";
|
|
}
|
|
$output = <<<EOD
|
|
<app:categories xmlns:app="$this->ATOMPUB_NS"
|
|
xmlns="$this->ATOM_NS"
|
|
fixed="yes" scheme="$home">
|
|
$categories
|
|
</app:categories>
|
|
EOD;
|
|
$this->output($output, $this->CATEGORIES_CONTENT_TYPE);
|
|
}
|
|
|
|
/**
|
|
* Create new post.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function create_post() {
|
|
global $user_ID;
|
|
$this->get_accepted_content_type($this->atom_content_types);
|
|
|
|
$parser = new AtomParser();
|
|
if ( !$parser->parse() )
|
|
$this->client_error();
|
|
|
|
$entry = array_pop($parser->feed->entries);
|
|
|
|
$catnames = array();
|
|
if ( !empty( $entry->categories ) ) {
|
|
foreach ( $entry->categories as $cat ) {
|
|
array_push($catnames, $cat["term"]);
|
|
}
|
|
}
|
|
|
|
$wp_cats = get_categories(array('hide_empty' => false));
|
|
|
|
$post_category = array();
|
|
|
|
foreach ( $wp_cats as $cat ) {
|
|
if ( in_array($cat->name, $catnames) )
|
|
array_push($post_category, $cat->term_id);
|
|
}
|
|
|
|
$publish = ! ( isset( $entry->draft ) && 'yes' == trim( $entry->draft ) );
|
|
|
|
$cap = ($publish) ? 'publish_posts' : 'edit_posts';
|
|
|
|
if ( !current_user_can($cap) )
|
|
$this->auth_required(__('Sorry, you do not have the right to edit/publish new posts.'));
|
|
|
|
$blog_ID = get_current_blog_id();
|
|
$post_status = ($publish) ? 'publish' : 'draft';
|
|
$post_author = (int) $user_ID;
|
|
|
|
$post_title = '';
|
|
$post_content = '';
|
|
$post_excerpt = '';
|
|
$pubtimes = '';
|
|
|
|
if ( isset( $entry->title ) && is_array( $entry->title ) && !empty( $entry->title[1] ) )
|
|
$post_title = (string) $entry->title[1];
|
|
if ( isset( $entry->content ) && is_array( $entry->content ) && !empty( $entry->content[1] ) )
|
|
$post_content = (string) $entry->content[1];
|
|
if ( isset( $entry->summary ) && is_array( $entry->summary ) && !empty( $entry->summary[1] ) )
|
|
$post_excerpt = (string) $entry->summary[1];
|
|
if ( !empty( $entry->published ) )
|
|
$pubtimes = (string) $entry->published;
|
|
|
|
$pubtimes = $this->get_publish_time( $pubtimes );
|
|
|
|
$post_date = $pubtimes[0];
|
|
$post_date_gmt = $pubtimes[1];
|
|
|
|
if ( isset( $_SERVER['HTTP_SLUG'] ) )
|
|
$post_name = $_SERVER['HTTP_SLUG'];
|
|
|
|
$post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_name');
|
|
|
|
$this->escape($post_data);
|
|
|
|
$postID = wp_insert_post($post_data);
|
|
if ( is_wp_error( $postID ) )
|
|
$this->internal_error($postID->get_error_message());
|
|
|
|
if ( !$postID )
|
|
$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
|
|
|
|
// getting warning here about unable to set headers
|
|
// because something in the cache is printing to the buffer
|
|
// could we clean up wp_set_post_categories or cache to not print
|
|
// this could affect our ability to send back the right headers
|
|
@wp_set_post_categories($postID, $post_category);
|
|
|
|
do_action( 'atompub_create_post', $postID, $entry );
|
|
|
|
$output = $this->get_entry($postID);
|
|
|
|
$this->created($postID, $output);
|
|
}
|
|
|
|
/**
|
|
* Retrieve post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function get_post($postID) {
|
|
global $entry;
|
|
|
|
if ( !current_user_can( 'edit_post', $postID ) )
|
|
$this->auth_required( __( 'Sorry, you do not have the right to access this post.' ) );
|
|
|
|
$this->set_current_entry($postID);
|
|
$output = $this->get_entry($postID);
|
|
$this->output($output);
|
|
|
|
}
|
|
|
|
/**
|
|
* Update post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function put_post($postID) {
|
|
// checked for valid content-types (atom+xml)
|
|
// quick check and exit
|
|
$this->get_accepted_content_type($this->atom_content_types);
|
|
|
|
$parser = new AtomParser();
|
|
if ( !$parser->parse() )
|
|
$this->bad_request();
|
|
|
|
$parsed = array_pop($parser->feed->entries);
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if ( !current_user_can('edit_post', $entry['ID']) )
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
|
|
$publish = ! ( isset($parsed->draft) && 'yes' == trim($parsed->draft) );
|
|
$post_status = ($publish) ? 'publish' : 'draft';
|
|
|
|
extract($entry);
|
|
|
|
$post_title = $parsed->title[1];
|
|
$post_content = $parsed->content[1];
|
|
$post_excerpt = $parsed->summary[1];
|
|
$pubtimes = $this->get_publish_time($entry->published);
|
|
$post_date = $pubtimes[0];
|
|
$post_date_gmt = $pubtimes[1];
|
|
$pubtimes = $this->get_publish_time($parsed->updated);
|
|
$post_modified = $pubtimes[0];
|
|
$post_modified_gmt = $pubtimes[1];
|
|
|
|
$postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt');
|
|
$this->escape($postdata);
|
|
|
|
$result = wp_update_post($postdata);
|
|
|
|
if ( !$result )
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.'));
|
|
|
|
do_action( 'atompub_put_post', $ID, $parsed );
|
|
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Remove post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function delete_post($postID) {
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if ( !current_user_can('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.'));
|
|
}
|
|
|
|
$this->ok();
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Optional. Post ID.
|
|
*/
|
|
function get_attachment($postID = null) {
|
|
if ( !current_user_can( 'upload_files' ) )
|
|
$this->auth_required( __( 'You do not have permission to upload files.' ) );
|
|
|
|
if ( !isset($postID) ) {
|
|
$this->get_attachments();
|
|
} else {
|
|
$this->set_current_entry($postID);
|
|
$output = $this->get_entry($postID, 'attachment');
|
|
$this->output($output);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create new attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function create_attachment() {
|
|
|
|
$type = $this->get_accepted_content_type();
|
|
|
|
if ( !current_user_can('upload_files') )
|
|
$this->auth_required( __( 'You do not have permission to upload files.' ) );
|
|
|
|
$fp = fopen("php://input", "rb");
|
|
$bits = null;
|
|
while ( !feof($fp) ) {
|
|
$bits .= fread($fp, 4096);
|
|
}
|
|
fclose($fp);
|
|
|
|
$slug = '';
|
|
if ( isset( $_SERVER['HTTP_SLUG'] ) )
|
|
$slug = $_SERVER['HTTP_SLUG'];
|
|
elseif ( isset( $_SERVER['HTTP_TITLE'] ) )
|
|
$slug = $_SERVER['HTTP_TITLE'];
|
|
elseif ( empty( $slug ) ) // just make a random name
|
|
$slug = substr( md5( uniqid( microtime() ) ), 0, 7);
|
|
$ext = preg_replace( '|.*/([a-z0-9]+)|', '$1', $_SERVER['CONTENT_TYPE'] );
|
|
$slug = sanitize_file_name( "$slug.$ext" );
|
|
$file = wp_upload_bits( $slug, null, $bits);
|
|
|
|
$url = $file['url'];
|
|
$file = $file['file'];
|
|
|
|
do_action('wp_create_file_in_uploads', $file); // replicate
|
|
|
|
// Construct the attachment array
|
|
$attachment = array(
|
|
'post_title' => $slug,
|
|
'post_content' => $slug,
|
|
'post_status' => 'attachment',
|
|
'post_parent' => 0,
|
|
'post_mime_type' => $type,
|
|
'guid' => $url
|
|
);
|
|
|
|
// Save the data
|
|
$postID = wp_insert_attachment($attachment, $file);
|
|
|
|
if (!$postID)
|
|
$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
|
|
|
|
$output = $this->get_entry($postID, 'attachment');
|
|
|
|
$this->created($postID, $output, 'attachment');
|
|
}
|
|
|
|
/**
|
|
* Update attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function put_attachment($postID) {
|
|
// checked for valid content-types (atom+xml)
|
|
// quick check and exit
|
|
$this->get_accepted_content_type($this->atom_content_types);
|
|
|
|
$parser = new AtomParser();
|
|
if (!$parser->parse()) {
|
|
$this->bad_request();
|
|
}
|
|
|
|
$parsed = array_pop($parser->feed->entries);
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if ( !current_user_can('edit_post', $entry['ID']) )
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
|
|
extract($entry);
|
|
|
|
$post_title = $parsed->title[1];
|
|
$post_content = $parsed->summary[1];
|
|
$pubtimes = $this->get_publish_time($parsed->updated);
|
|
$post_modified = $pubtimes[0];
|
|
$post_modified_gmt = $pubtimes[1];
|
|
|
|
$postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_modified', 'post_modified_gmt');
|
|
$this->escape($postdata);
|
|
|
|
$result = wp_update_post($postdata);
|
|
|
|
if ( !$result )
|
|
$this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.'));
|
|
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Remove attachment.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function delete_attachment($postID) {
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
if ( !current_user_can('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']) )
|
|
$this->internal_error(__('Error occurred while accessing post metadata for file location.'));
|
|
|
|
// delete file
|
|
@unlink($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.'));
|
|
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment from post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function get_file($postID) {
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
// then whether user can edit the specific post
|
|
if ( !current_user_can('edit_post', $postID) )
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
|
|
$location = get_post_meta($entry['ID'], '_wp_attached_file', true);
|
|
$location = get_option ('upload_path') . '/' . $location;
|
|
$filetype = wp_check_filetype($location);
|
|
|
|
if ( !isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']) )
|
|
$this->internal_error(__('Error occurred while accessing post metadata for file location.'));
|
|
|
|
status_header('200');
|
|
header('Content-Type: ' . $entry['post_mime_type']);
|
|
header('Connection: close');
|
|
|
|
if ( $fp = fopen($location, "rb") ) {
|
|
status_header('200');
|
|
header('Content-Type: ' . $entry['post_mime_type']);
|
|
header('Connection: close');
|
|
|
|
while ( !feof($fp) ) {
|
|
echo fread($fp, 4096);
|
|
}
|
|
|
|
fclose($fp);
|
|
} else {
|
|
status_header ('404');
|
|
}
|
|
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Upload file to blog and add attachment to post.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function put_file($postID) {
|
|
|
|
// first check if user can upload
|
|
if ( !current_user_can('upload_files') )
|
|
$this->auth_required(__('You do not have permission to upload files.'));
|
|
|
|
// check for not found
|
|
global $entry;
|
|
$this->set_current_entry($postID);
|
|
|
|
// then whether user can edit the specific post
|
|
if ( !current_user_can('edit_post', $postID) )
|
|
$this->auth_required(__('Sorry, you do not have the right to edit this post.'));
|
|
|
|
$upload_dir = wp_upload_dir( );
|
|
$location = get_post_meta($entry['ID'], '_wp_attached_file', true);
|
|
$filetype = wp_check_filetype($location);
|
|
|
|
$location = "{$upload_dir['basedir']}/{$location}";
|
|
|
|
if (!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext']))
|
|
$this->internal_error(__('Error occurred while accessing post metadata for file location.'));
|
|
|
|
$fp = fopen("php://input", "rb");
|
|
$localfp = fopen($location, "w+");
|
|
while ( !feof($fp) ) {
|
|
fwrite($localfp,fread($fp, 4096));
|
|
}
|
|
fclose($fp);
|
|
fclose($localfp);
|
|
|
|
$ID = $entry['ID'];
|
|
$pubtimes = $this->get_publish_time($entry->published);
|
|
$post_date = $pubtimes[0];
|
|
$post_date_gmt = $pubtimes[1];
|
|
$pubtimes = $this->get_publish_time($parsed->updated);
|
|
$post_modified = $pubtimes[0];
|
|
$post_modified_gmt = $pubtimes[1];
|
|
|
|
$post_data = compact('ID', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt');
|
|
$result = wp_update_post($post_data);
|
|
|
|
if ( !$result )
|
|
$this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.'));
|
|
|
|
wp_update_attachment_metadata( $postID, wp_generate_attachment_metadata( $postID, $location ) );
|
|
|
|
$this->ok();
|
|
}
|
|
|
|
/**
|
|
* Retrieve entries URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @return string
|
|
*/
|
|
function get_entries_url($page = null) {
|
|
if ( isset($GLOBALS['post_type']) && ( $GLOBALS['post_type'] == 'attachment' ) )
|
|
$path = $this->MEDIA_PATH;
|
|
else
|
|
$path = $this->ENTRIES_PATH;
|
|
$url = $this->app_base . $path;
|
|
if ( isset($page) && is_int($page) )
|
|
$url .= "/$page";
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display entries URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
*/
|
|
function the_entries_url($page = null) {
|
|
echo $this->get_entries_url($page);
|
|
}
|
|
|
|
/**
|
|
* Retrieve categories URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param mixed $deprecated Not used.
|
|
* @return string
|
|
*/
|
|
function get_categories_url($deprecated = '') {
|
|
if ( !empty( $deprecated ) )
|
|
_deprecated_argument( __FUNCTION__, '2.5' );
|
|
return $this->app_base . $this->CATEGORIES_PATH;
|
|
}
|
|
|
|
/**
|
|
* Display category URL.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function the_categories_url() {
|
|
echo $this->get_categories_url();
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @return string
|
|
*/
|
|
function get_attachments_url($page = null) {
|
|
$url = $this->app_base . $this->MEDIA_PATH;
|
|
if (isset($page) && is_int($page)) {
|
|
$url .= "/$page";
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display attachment URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
*/
|
|
function the_attachments_url($page = null) {
|
|
echo $this->get_attachments_url($page);
|
|
}
|
|
|
|
/**
|
|
* Retrieve service URL.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_service_url() {
|
|
return $this->app_base . $this->SERVICE_PATH;
|
|
}
|
|
|
|
/**
|
|
* Retrieve entry URL.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @return string
|
|
*/
|
|
function get_entry_url( $postID = null ) {
|
|
if (!isset($postID)) {
|
|
$postID = (int) get_post()->ID;
|
|
}
|
|
|
|
$url = $this->app_base . $this->ENTRY_PATH . "/$postID";
|
|
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display entry URL.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function the_entry_url($postID = null) {
|
|
echo $this->get_entry_url($postID);
|
|
}
|
|
|
|
/**
|
|
* Retrieve media URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @return string
|
|
*/
|
|
function get_media_url($postID = null) {
|
|
if (!isset($postID)) {
|
|
$postID = (int) get_post()->ID;
|
|
}
|
|
|
|
$url = $this->app_base . $this->MEDIA_SINGLE_PATH ."/file/$postID";
|
|
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Display the media URL.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function the_media_url($postID = null) {
|
|
echo $this->get_media_url($postID);
|
|
}
|
|
|
|
/**
|
|
* Set the current entry to post ID.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
*/
|
|
function set_current_entry($postID) {
|
|
global $entry;
|
|
|
|
if (!isset($postID)) {
|
|
// $this->bad_request();
|
|
$this->not_found();
|
|
}
|
|
|
|
$entry = get_post($postID,ARRAY_A);
|
|
|
|
if (!isset($entry) || !isset($entry['ID']))
|
|
$this->not_found();
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Display posts XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Optional. Page ID.
|
|
* @param string $post_type Optional, default is 'post'. Post Type.
|
|
*/
|
|
function get_posts($page = 1, $post_type = 'post') {
|
|
$feed = $this->get_feed($page, $post_type);
|
|
$this->output($feed);
|
|
}
|
|
|
|
/**
|
|
* Display attachment XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @param string $post_type Optional, default is 'attachment'. Post type.
|
|
*/
|
|
function get_attachments($page = 1, $post_type = 'attachment') {
|
|
$GLOBALS['post_type'] = $post_type;
|
|
$feed = $this->get_feed($page, $post_type);
|
|
$this->output($feed);
|
|
}
|
|
|
|
/**
|
|
* Retrieve feed XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $page Page ID.
|
|
* @param string $post_type Optional, default is post. Post type.
|
|
* @return string
|
|
*/
|
|
function get_feed($page = 1, $post_type = 'post') {
|
|
global $post, $wp, $wp_query, $posts, $wpdb, $blog_id;
|
|
ob_start();
|
|
|
|
$this->ENTRY_PATH = $post_type;
|
|
|
|
if (!isset($page)) {
|
|
$page = 1;
|
|
}
|
|
$page = (int) $page;
|
|
|
|
$count = get_option('posts_per_rss');
|
|
|
|
wp('posts_per_page=' . $count . '&offset=' . ($count * ($page-1)) . '&orderby=modified&post_status=any');
|
|
|
|
$post = $GLOBALS['post'];
|
|
$posts = $GLOBALS['posts'];
|
|
$wp = $GLOBALS['wp'];
|
|
$wp_query = $GLOBALS['wp_query'];
|
|
$wpdb = $GLOBALS['wpdb'];
|
|
$blog_id = (int) $GLOBALS['blog_id'];
|
|
|
|
$last_page = $wp_query->max_num_pages;
|
|
$next_page = (($page + 1) > $last_page) ? null : $page + 1;
|
|
$prev_page = ($page - 1) < 1 ? null : $page - 1;
|
|
$last_page = ((int)$last_page == 1 || (int)$last_page == 0) ? null : (int) $last_page;
|
|
$self_page = $page > 1 ? $page : null;
|
|
?><feed xmlns="<?php echo $this->ATOM_NS ?>" xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php bloginfo_rss( 'language' ); ?>" <?php do_action('app_ns'); ?> >
|
|
<id><?php $this->the_entries_url() ?></id>
|
|
<updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT'), false); ?></updated>
|
|
<title type="text"><?php bloginfo_rss('name') ?></title>
|
|
<subtitle type="text"><?php bloginfo_rss("description") ?></subtitle>
|
|
<link rel="first" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url() ?>" />
|
|
<?php if (isset($prev_page)): ?>
|
|
<link rel="previous" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($prev_page) ?>" />
|
|
<?php endif; ?>
|
|
<?php if (isset($next_page)): ?>
|
|
<link rel="next" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($next_page) ?>" />
|
|
<?php endif; ?>
|
|
<link rel="last" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($last_page) ?>" />
|
|
<link rel="self" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($self_page) ?>" />
|
|
<rights type="text">Copyright <?php echo date('Y'); ?></rights>
|
|
<?php do_action('app_head'); ?>
|
|
<?php if ( have_posts() ) {
|
|
while ( have_posts() ) {
|
|
the_post();
|
|
$this->echo_entry();
|
|
}
|
|
}
|
|
?></feed>
|
|
<?php
|
|
$feed = ob_get_contents();
|
|
ob_end_clean();
|
|
return $feed;
|
|
}
|
|
|
|
/**
|
|
* Display entry XML.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int $postID Post ID.
|
|
* @param string $post_type Optional, default is post. Post type.
|
|
* @return string.
|
|
*/
|
|
function get_entry($postID, $post_type = 'post') {
|
|
ob_start();
|
|
switch($post_type) {
|
|
case 'post':
|
|
$varname = 'p';
|
|
break;
|
|
case 'attachment':
|
|
$this->ENTRY_PATH = 'attachment';
|
|
$varname = 'attachment_id';
|
|
break;
|
|
}
|
|
query_posts($varname . '=' . $postID);
|
|
if ( have_posts() ) {
|
|
while ( have_posts() ) {
|
|
the_post();
|
|
$this->echo_entry();
|
|
$entry = ob_get_contents();
|
|
break;
|
|
}
|
|
}
|
|
ob_end_clean();
|
|
|
|
return $entry;
|
|
}
|
|
|
|
/**
|
|
* Display post content XML.
|
|
*
|
|
* @since 2.3.0
|
|
*/
|
|
function echo_entry() { ?>
|
|
<entry xmlns="<?php echo $this->ATOM_NS ?>"
|
|
xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php bloginfo_rss( 'language' ); ?>">
|
|
<id><?php the_guid( $GLOBALS['post']->ID ); ?></id>
|
|
<?php list($content_type, $content) = prep_atom_text_construct(get_the_title()); ?>
|
|
<title type="<?php echo $content_type ?>"><?php echo $content ?></title>
|
|
<updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated>
|
|
<published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published>
|
|
<app:edited><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></app:edited>
|
|
<app:control>
|
|
<app:draft><?php echo ($GLOBALS['post']->post_status == 'draft' ? 'yes' : 'no') ?></app:draft>
|
|
</app:control>
|
|
<author>
|
|
<name><?php the_author()?></name>
|
|
<?php if ( get_the_author_meta('url') && get_the_author_meta('url') != 'http://' ) { ?>
|
|
<uri><?php the_author_meta('url') ?></uri>
|
|
<?php } ?>
|
|
</author>
|
|
<?php if ($GLOBALS['post']->post_type == 'attachment') { ?>
|
|
<link rel="edit-media" href="<?php $this->the_media_url() ?>" />
|
|
<content type="<?php echo $GLOBALS['post']->post_mime_type ?>" src="<?php the_guid() ; ?>"/>
|
|
<?php } else { ?>
|
|
<link href="<?php the_permalink_rss() ?>" />
|
|
<?php if ( strlen( $GLOBALS['post']->post_content ) ) :
|
|
list($content_type, $content) = prep_atom_text_construct(get_the_content()); ?>
|
|
<content type="<?php echo $content_type ?>"><?php echo $content ?></content>
|
|
<?php endif; ?>
|
|
<?php } ?>
|
|
<link rel="edit" href="<?php $this->the_entry_url() ?>" />
|
|
<?php the_category_rss( 'atom' ); ?>
|
|
<?php list($content_type, $content) = prep_atom_text_construct(get_the_excerpt()); ?>
|
|
<summary type="<?php echo $content_type ?>"><?php echo $content ?></summary>
|
|
<?php do_action('app_entry'); ?>
|
|
</entry>
|
|
<?php }
|
|
|
|
/**
|
|
* Set 'OK' (200) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function ok() {
|
|
header('Content-Type: text/plain');
|
|
status_header('200');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'No Content' (204) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function no_content() {
|
|
header('Content-Type: text/plain');
|
|
status_header('204');
|
|
echo "Moved to Trash.";
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Display 'Internal Server Error' (500) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $msg Optional. Status string.
|
|
*/
|
|
function internal_error($msg = 'Internal Server Error') {
|
|
header('Content-Type: text/plain');
|
|
status_header('500');
|
|
echo $msg;
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Bad Request' (400) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function bad_request() {
|
|
header('Content-Type: text/plain');
|
|
status_header('400');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Length Required' (411) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function length_required() {
|
|
header("HTTP/1.1 411 Length Required");
|
|
header('Content-Type: text/plain');
|
|
status_header('411');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Unsupported Media Type' (415) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function invalid_media() {
|
|
header("HTTP/1.1 415 Unsupported Media Type");
|
|
header('Content-Type: text/plain');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Forbidden' (403) status header.
|
|
*
|
|
* @since 2.6.0
|
|
*/
|
|
function forbidden($reason='') {
|
|
header('Content-Type: text/plain');
|
|
status_header('403');
|
|
echo $reason;
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Not Found' (404) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function not_found() {
|
|
header('Content-Type: text/plain');
|
|
status_header('404');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Not Allowed' (405) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function not_allowed($allow) {
|
|
header('Allow: ' . join(',', $allow));
|
|
status_header('405');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Display Redirect (302) content and set status headers.
|
|
*
|
|
* @since 2.3.0
|
|
*/
|
|
function redirect($url) {
|
|
$escaped_url = esc_attr($url);
|
|
$content = <<<EOD
|
|
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
|
|
<html>
|
|
<head>
|
|
<title>302 Found</title>
|
|
</head>
|
|
<body>
|
|
<h1>Found</h1>
|
|
<p>The document has moved <a href="$escaped_url">here</a>.</p>
|
|
</body>
|
|
</html>
|
|
|
|
EOD;
|
|
header('HTTP/1.1 302 Moved');
|
|
header('Content-Type: text/html');
|
|
header('Location: ' . $url);
|
|
echo $content;
|
|
wp_die();
|
|
|
|
}
|
|
|
|
/**
|
|
* Set 'Client Error' (400) status header.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function client_error($msg = 'Client Error') {
|
|
header('Content-Type: text/plain');
|
|
status_header('400');
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set created status headers (201).
|
|
*
|
|
* Sets the 'content-type', 'content-location', and 'location'.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function created($post_ID, $content, $post_type = 'post') {
|
|
$edit = $this->get_entry_url($post_ID);
|
|
switch($post_type) {
|
|
case 'post':
|
|
$ctloc = $this->get_entry_url($post_ID);
|
|
break;
|
|
case 'attachment':
|
|
$edit = $this->app_base . "attachments/$post_ID";
|
|
break;
|
|
}
|
|
header("Content-Type: $this->ATOM_CONTENT_TYPE");
|
|
if (isset($ctloc))
|
|
header('Content-Location: ' . $ctloc);
|
|
header('Location: ' . $edit);
|
|
status_header('201');
|
|
echo $content;
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Set 'Auth Required' (401) headers.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $msg Status header content and HTML content.
|
|
*/
|
|
function auth_required($msg) {
|
|
nocache_headers();
|
|
header('WWW-Authenticate: Basic realm="WordPress Atom Protocol"');
|
|
header("HTTP/1.1 401 $msg");
|
|
header('Status: 401 ' . $msg);
|
|
header('Content-Type: text/html');
|
|
$content = <<<EOD
|
|
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
|
|
<html>
|
|
<head>
|
|
<title>401 Unauthorized</title>
|
|
</head>
|
|
<body>
|
|
<h1>401 Unauthorized</h1>
|
|
<p>$msg</p>
|
|
</body>
|
|
</html>
|
|
|
|
EOD;
|
|
echo $content;
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Display XML and set headers with content type.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $xml Display feed content.
|
|
* @param string $ctype Optional, default is 'atom+xml'. Feed content type.
|
|
*/
|
|
function output($xml, $ctype = 'application/atom+xml') {
|
|
status_header('200');
|
|
$xml = '<?xml version="1.0" encoding="' . strtolower(get_option('blog_charset')) . '"?>'."\n".$xml;
|
|
header('Connection: close');
|
|
header('Content-Length: '. strlen($xml));
|
|
header('Content-Type: ' . $ctype);
|
|
header('Content-Disposition: attachment; filename=atom.xml');
|
|
header('Date: '. date('r'));
|
|
if ($this->do_output)
|
|
echo $xml;
|
|
wp_die();
|
|
}
|
|
|
|
/**
|
|
* Sanitize content for database usage.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param array $array Sanitize array and multi-dimension array.
|
|
*/
|
|
function escape(&$array) {
|
|
global $wpdb;
|
|
|
|
foreach ($array as $k => $v) {
|
|
if (is_array($v)) {
|
|
$this->escape($array[$k]);
|
|
} else if (is_object($v)) {
|
|
//skip
|
|
} else {
|
|
$array[$k] = $wpdb->escape($v);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Access credential through various methods and perform login.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
function authenticate() {
|
|
|
|
// if using mod_rewrite/ENV hack
|
|
// http://www.besthostratings.com/articles/http-auth-php-cgi.html
|
|
if (isset($_SERVER['HTTP_AUTHORIZATION'])) {
|
|
list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) =
|
|
explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
|
|
} else if (isset($_SERVER['REDIRECT_REMOTE_USER'])) {
|
|
// Workaround for setups that do not forward HTTP_AUTHORIZATION
|
|
// See http://trac.wordpress.org/ticket/7361
|
|
list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) =
|
|
explode(':', base64_decode(substr($_SERVER['REDIRECT_REMOTE_USER'], 6)));
|
|
}
|
|
|
|
// If Basic Auth is working...
|
|
if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
|
|
|
|
$user = wp_authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
|
|
if ( $user && !is_wp_error($user) ) {
|
|
wp_set_current_user($user->ID);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve accepted content types.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param array $types Optional. Content Types.
|
|
* @return string
|
|
*/
|
|
function get_accepted_content_type($types = null) {
|
|
|
|
if (!isset($types)) {
|
|
$types = $this->media_content_types;
|
|
}
|
|
|
|
if (!isset($_SERVER['CONTENT_LENGTH']) || !isset($_SERVER['CONTENT_TYPE'])) {
|
|
$this->length_required();
|
|
}
|
|
|
|
$type = $_SERVER['CONTENT_TYPE'];
|
|
list($type,$subtype) = explode('/',$type);
|
|
list($subtype) = explode(";",$subtype); // strip MIME parameters
|
|
|
|
foreach($types as $t) {
|
|
list($acceptedType,$acceptedSubtype) = explode('/',$t);
|
|
if ($acceptedType == '*' || $acceptedType == $type) {
|
|
if ($acceptedSubtype == '*' || $acceptedSubtype == $subtype)
|
|
return $type . "/" . $subtype;
|
|
}
|
|
}
|
|
|
|
$this->invalid_media();
|
|
}
|
|
|
|
/**
|
|
* Process conditionals for posts.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function process_conditionals() {
|
|
|
|
if (empty($this->params)) return;
|
|
if ($_SERVER['REQUEST_METHOD'] == 'DELETE') return;
|
|
|
|
switch($this->params[0]) {
|
|
case $this->ENTRY_PATH:
|
|
global $post;
|
|
$post = get_post($this->params[1]);
|
|
$wp_last_modified = get_post_modified_time('D, d M Y H:i:s', true);
|
|
$post = null;
|
|
break;
|
|
case $this->ENTRIES_PATH:
|
|
$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
$wp_etag = md5($wp_last_modified);
|
|
@header("Last-Modified: $wp_last_modified");
|
|
@header("ETag: $wp_etag");
|
|
|
|
// Support for Conditional GET
|
|
if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
|
|
$client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
|
|
else
|
|
$client_etag = false;
|
|
|
|
$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
|
|
// If string is empty, return 0. If not, attempt to parse into a timestamp
|
|
$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
|
|
|
|
// Make a timestamp for our most recent modification...
|
|
$wp_modified_timestamp = strtotime($wp_last_modified);
|
|
|
|
if ( ($client_last_modified && $client_etag) ?
|
|
(($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
|
|
(($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
|
|
status_header( 304 );
|
|
wp_die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convert RFC3339 time string to timestamp.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $str String to time.
|
|
* @return bool|int false if format is incorrect.
|
|
*/
|
|
function rfc3339_str2time($str) {
|
|
|
|
$match = false;
|
|
if (!preg_match("/(\d{4}-\d{2}-\d{2})T(\d{2}\:\d{2}\:\d{2})\.?\d{0,3}(Z|[+-]+\d{2}\:\d{2})/", $str, $match))
|
|
return false;
|
|
|
|
if ($match[3] == 'Z')
|
|
$match[3] = '+0000';
|
|
|
|
return strtotime($match[1] . " " . $match[2] . " " . $match[3]);
|
|
}
|
|
|
|
/**
|
|
* Retrieve published time to display in XML.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $published Time string.
|
|
* @return string
|
|
*/
|
|
function get_publish_time($published) {
|
|
|
|
$pubtime = $this->rfc3339_str2time($published);
|
|
|
|
if (!$pubtime) {
|
|
return array(current_time('mysql'),current_time('mysql',1));
|
|
} else {
|
|
return array(date("Y-m-d H:i:s", $pubtime), gmdate("Y-m-d H:i:s", $pubtime));
|
|
}
|
|
}
|
|
|
|
}
|