/
dustpress.php
1645 lines (1385 loc) · 42.3 KB
/
dustpress.php
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<?php
/*
Plugin Name: DustPress
Plugin URI: http://www.geniem.com
Description: Dust.js templating system for WordPress
Author: Miika Arponen & Ville Siltala / Geniem Oy
Author URI: http://www.geniem.com
License: GPLv3
Version: 1.16.1
*/
final class DustPress {
// Singleton DustPress instance
private static $instance;
// Instance of DustPHP
public $dust;
// Main model
private $model;
// This is where the data will be stored
private $data;
// DustPress settings
private $settings;
// Is DustPress disabled?
public $disabled;
// Paths for locating files
private $paths;
// Paths for template files
private $templates;
// Are we on an activation page
private $activate;
// Registered custom ajax functions
private $ajax_functions;
public static function instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new DustPress();
}
return self::$instance;
}
/**
* Constructor for DustPress core class.
*
* @type function
* @date 10/8/2015
* @since 0.2.0
*
* @param N/A
* @return N/A
*/
protected function __construct() {
// Autoload paths will be stored here so the filesystem has to be scanned only once.
$this->autoload_paths = [];
$this->register_autoloaders();
// Create a DustPHP instance
$this->dust = new Dust\Dust();
// Dust template paths will be stored here so the filesystem has to be scanned only once.
$this->templates = [];
$this->add_theme_paths();
$this->add_core_paths();
// Find and include Dust helpers from DustPress plugin
$paths = [
__DIR__ . '/helpers',
];
foreach( $paths as $path ) {
if ( is_readable( $path ) ) {
foreach( new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $path, RecursiveDirectoryIterator::SKIP_DOTS ) ) as $file ) {
if ( is_readable( $file ) && '.php' === substr( $file, -4, 4 ) ) {
require_once( $file );
}
}
}
}
// Add create_instance to right action hook if we are not on the admin side
if ( $this->want_autoload() ) {
add_filter( 'template_include', [ $this, 'create_instance' ] );
// If we are on wp-activate.php hook into activate_header
if ( strpos( $_SERVER['REQUEST_URI'], 'wp-activate.php' ) !== false ) {
$this->activate = true;
// Run create_instance for use partial and model
add_action( 'activate_header', [ $this, 'create_instance' ] );
// Kill original wp-activate.php execution
add_action( 'activate_header', function() {
die();
});
}
}
else if ( $this->is_dustpress_ajax() ) {
$this->parse_request_data();
// Optimize the run if we don't want to run the main WP_Query at all.
if ( ( is_object( $this->request_data ) && ! empty( $this->request_data->bypassMainQuery ) ) ||
( is_array( $this->request_data ) && ! empty( $this->request_data['bypassMainQuery'] ) ) ) {
// DustPress.js request is never 404.
add_filter( 'status_header', function( $status, $header ) {
return 'status: 200';
}, 10, 2 );
// Make the main query to be as fast as possible within DustPress.js requests.
add_filter( 'posts_request', function( $request, \WP_Query $query ) {
// Target main home query
if ( $query->is_main_query() ) {
$request = str_replace( '1=1', '0=1', $request );
}
return $request;
}, PHP_INT_MAX, 2 );
// Populate the main query posts variable with a dummy post to prevent errors and notices.
add_filter( 'posts_pre_query', function( $posts, \WP_Query $query ) {
if( $query->is_main_query() ){
$posts = [ new WP_Post( (object) [] ) ];
$query->found_posts = 1;
}
return $posts;
}, 10, 2 );
}
add_filter( 'template_include', [ $this, 'create_ajax_instance' ] );
}
// Initialize settings
add_action( 'init', [ $this, 'init_settings' ] );
// Register custom route rewrite tag
add_action( 'init', [ $this, 'rewrite_tags' ], 20 );
return;
}
/**
* Register custom route rewrite tags
*
* @type function
* @date 19/3/2019
* @since 1.13.1
*
* @param N/A
* @return N/A
*/
public function rewrite_tags() {
// Register custom route rewrite tag
add_rewrite_tag( '%dustpress_custom_route%', '([^\/]+)' );
add_rewrite_tag( '%dustpress_custom_route_route%', '(.+)' );
add_rewrite_tag( '%dustpress_custom_route_parameters%', '(.+)' );
}
/**
* This function creates the instance of the main model that is defined by the WordPress template
*
* @type function
* @date 19/3/2015
* @since 0.0.1
*
* @param N/A
* @return N/A
*/
public function create_instance() {
global $post, $wp_query;
// Initialize an array for debugging.
$debugs = [];
if ( ! $this->activate ) {
if ( is_object( $post ) && isset( $post->ID ) ) {
$post_id = $post->ID;
}
else {
$post_id = null;
}
// Filter for wanted post ID
$new_post = apply_filters( 'dustpress/router', $post_id );
// If developer wanted a post ID, make it happen
if ( ! is_null( $new_post ) ) {
$post = get_post( $new_post );
setup_postdata( $post );
}
// Get current template name tidied up a bit.
$template = $this->get_template_filename( $debugs );
}
else {
// Use user-activate.php and user-activate.dust to replace wp-activate.php
$template = apply_filters( 'dustpress/template/useractivate', 'UserActivate' );
$debugs[] = $template;
// Prevent 404 on multisite sub pages.
$wp_query->is_404 = false;
}
$custom_route_args = [];
$custom_route = $wp_query->get( 'dustpress_custom_route' );
$custom_route_parameters = $wp_query->get( 'dustpress_custom_route_parameters' );
// Handle registered DustPress custom routes
if ( ! empty( $custom_route ) ) {
$template = $custom_route;
$custom_route_args[ 'route' ] = $wp_query->get( 'dustpress_custom_route_route' );
if ( ! empty( $custom_route_parameters ) ) {
$custom_route_args['params'] = explode( DIRECTORY_SEPARATOR, $custom_route_parameters );
}
}
$template = apply_filters( 'dustpress/template', $template, $custom_route_args );
if ( ! defined( 'DOING_AJAX' ) && ! $this->disabled ) {
// If class exists with the template's name, create new instance with it.
// We do not throw error if the class does not exist, to ensure that you can still create
// templates in traditional style if needed.
if ( class_exists ( $template ) ) {
$this->model = new $template( $custom_route_args );
$this->model->fetch_data();
do_action( 'dustpress/model_list', array_keys( (array) $this->model->get_submodels() ) );
$template_override = $this->model->get_template();
$partial = $template_override ? $template_override : strtolower( $this->camelcase_to_dashed( $template ) );
$this->render( [ 'partial' => $partial, 'main' => true ] );
}
else {
die( 'DustPress error: No suitable model found. One of these is required: '. implode( ', ', $debugs ) );
}
}
}
/**
* This function gets current template's filename and returns without extension or WP-template prefixes such as page- or single-.
*
* @type function
* @date 19/3/2015
* @since 0.0.1
*
* @param N/A
* @return $filename (string)
*/
private function get_template_filename( &$debugs = array() ) {
global $post;
if ( is_object( $post ) && isset( $post->ID ) ) {
$page_template = get_post_meta( $post->ID, '_wp_page_template', true );
if ( $page_template ) {
$array = explode( DIRECTORY_SEPARATOR, $page_template );
$template = array_pop( $array );
// strip out .php
$template = str_replace( '.php', '', $template );
// strip out page-, single-
$template = str_replace( 'page-', '', $template );
$template = str_replace( 'single-', '', $template );
if ( $template == 'default' ) $template = 'page';
}
else {
$template = 'default';
}
}
else {
$template = 'default';
}
if ( is_front_page() ) {
$hierarchy = [
'is_front_page' => [
'FrontPage'
]
];
}
if ( is_home() ) {
$hierarchy['is_home'] = [
'Home'
];
}
if ( is_page() ) {
$hierarchy[ 'is_page' ] = [
'Page' . $this->dashed_to_camelcase( $template ),
'Page' . $this->dashed_to_camelcase( $post->post_name ),
'Page' . $post->ID,
'Page'
];
}
if ( is_category() ) {
$cat = get_category( get_query_var( 'cat' ) );
$hierarchy[ 'is_category' ] = [
'Category' . $this->dashed_to_camelcase( $cat->slug ),
'Category' . $cat->term_id,
'Category',
'Archive'
];
}
if ( is_tag() ) {
$term_id = get_queried_object()->term_id;
$term = get_term_by( 'id', $term_id, 'post_tag' );
$hierarchy[ 'is_tag' ] = [
'Tag' . $this->dashed_to_camelcase( $term->slug ),
'Tag',
'Archive'
];
}
if ( is_tax() ) {
$term_id = get_queried_object()->term_id;
$term = get_term_by( 'id', $term_id, get_query_var( 'taxonomy' ) );
$hierarchy[ 'is_tax' ] = [
'Taxonomy' . $this->dashed_to_camelcase( get_query_var( 'taxonomy' ) ) . $this->dashed_to_camelcase( $term->slug ),
'Taxonomy' . $this->dashed_to_camelcase( get_query_var( 'taxonomy' ) ),
'Taxonomy',
'Archive'
];
}
if ( is_author() ) {
$author = get_user_by( 'slug', get_query_var( 'author_name' ) );
$hierarchy[ 'is_author' ] = [
'Author' . $this->dashed_to_camelcase( $author->user_nicename ),
'Author' . $author->ID,
'Author',
'Archive'
];
}
$hierarchy[ 'is_search' ] = [
'Search'
];
$hierarchy[ 'is_404' ] = [
'Error404'
];
if ( is_attachment() ) {
$mime_type = get_post_mime_type( get_the_ID() );
$hiearchy[ 'is_attachment' ] = [
function() use ( $mime_type ) {
if ( preg_match( '/^image/', $mime_type ) && class_exists( 'Image' ) ) {
return 'Image';
}
else {
return false;
}
},
function() use ( $mime_type ) {
if ( preg_match( '/^video/', $mime_type ) && class_exists( 'Video' ) ) {
return 'Video';
}
else {
return false;
}
},
function() use ( $mime_type ) {
if ( preg_match( '/^application/', $mime_type ) && class_exists( 'Application' ) ) {
return 'Application';
}
else {
return false;
}
},
function() use ( $mime_type ) {
if ( $mime_type == 'text/plain' ) {
if ( class_exists( 'Text' ) ) {
return 'Text';
}
else if ( class_exists( 'Plain' ) ) {
return 'Plain';
}
else if ( class_exists( 'TextPlain' ) ) {
return 'TextPlain';
}
else {
return false;
}
}
else {
return false;
}
},
'Attachment',
'SingleAttachment',
'Single'
];
}
if ( is_single() ) {
$type = get_post_type();
$hierarchy[ 'is_single' ] = [
'Single' . $this->dashed_to_camelcase( $template ),
'Single' . $this->dashed_to_camelcase( $type ),
'Single'
];
}
if ( is_archive() ) {
// Double check just to keep the function structure.
$hierarchy[ 'is_archive' ] = [
function() {
$post_types = get_post_types();
foreach ( $post_types as $type ) {
if ( is_post_type_archive( $type ) ) {
if ( class_exists( 'Archive' . $this->dashed_to_camelcase( $type ) ) ) {
return 'Archive' . $this->dashed_to_camelcase( $type );
}
else if ( class_exists( 'Archive' ) ) {
return 'Archive';
}
else {
return false;
}
}
}
return false;
}
];
}
if ( is_date() ) {
// Double check just to keep the function structure.
$hierarchy[ 'is_date' ] = [
function() {
if ( class_exists( 'Date' ) ) {
return 'Date';
}
else if ( class_exists( 'Archive' ) ) {
return 'Archive';
}
else {
return false;
}
}
];
}
// I don't think you really want to do this.
$hierarchy = apply_filters( 'dustpress/template_hierarchy', $hierarchy );
foreach( $hierarchy as $level => $keys ) {
if ( true === call_user_func ( $level ) ) {
foreach( $keys as $key => $value ) {
if ( is_integer( $key ) ) {
if ( is_string( $value ) ) {
$debugs[] = $value;
if ( class_exists( $value ) ) {
return $value;
}
}
else if ( is_callable( $value ) ) {
$value = call_user_func( $value );
$debugs[] = $value;
if( is_string( $value ) && class_exists( $value ) ) {
return $value;
}
}
}
else if ( is_string( $key ) ) {
if ( class_exists( $key ) ) {
if( is_string( $value ) ) {
$debugs[] = $value;
if ( class_exists( $value ) ) {
return $value;
}
}
else if ( is_callable( $value ) ) {
$debugs[] = $value;
return call_user_func( $value );
}
}
}
else if ( true === $key or is_callable( $key ) ) {
if ( true === call_user_func( $key ) ) {
if( is_string( $value ) ) {
$debugs[] = $value;
if ( class_exists( $value ) ) {
return $value;
}
}
else if ( is_callable( $value ) ) {
$debugs[] = $value;
return call_user_func( $value );
}
}
}
}
}
}
$debugs[] = 'Index';
return 'Index';
}
/**
* This function populates the data collection with essential data
*
* @type function
* @date 17/3/2015
* @since 0.0.1
*
* @param N/A
* @return N/A
*/
private function populate_data_collection() {
$wp_data = array();
// Insert Wordpress blog info data to collection
$infos = [
'name',
'description',
'wpurl',
'url',
'admin_email',
'charset',
'version',
'html_type',
'is_rtl',
'language',
'stylesheet_url',
'stylesheet_directory',
'template_url',
'template_directory',
'pingback_url',
'atom_url',
'rdf_url',
'rss_url',
'rss2_url',
'comments_atom_url',
'comments_rss2_url',
'url'
];
if ( $this->is_dustpress_ajax() ) {
$remove_infos = array( 'wpurl', 'admin_email', 'version', 'user' );
$remove_infos = apply_filters( 'dustpress/ajax/remove_wp', $remove_infos );
$infos = array_diff( $infos, $remove_infos );
}
foreach ( $infos as $info ) {
$wp_data[ $info ] = get_bloginfo( $info );
}
// Insert user info to collection
$currentuser = wp_get_current_user();
if ( 0 === $currentuser->ID ) {
$wp_data['loggedin'] = false;
}
else {
$wp_data['loggedin'] = true;
$wp_data['user'] = $currentuser->data;
$wp_data['user']->roles = $currentuser->roles;
unset( $wp_data['user']->user_pass );
}
// Insert WP title to collection
ob_start();
wp_title();
$wp_data['title'] = ob_get_clean();
// Insert admin ajax url
$wp_data['admin_ajax_url'] = admin_url( 'admin-ajax.php' );
// Insert current page permalink
$wp_data['permalink'] = get_permalink();
// Insert body classes
$wp_data['body_class'] = get_body_class();
// Return collection after filters
return apply_filters( 'dustpress/data/wp', $wp_data );
}
/**
* This function will render the given data in selected format
*
* @type function
* @date 17/3/2015
* @since 0.0.1
*
* @param $partial (string)
* @param $data (N/A)
* @param $type (string)
* @return true/false (boolean)
*/
public function render( $args = array() ) {
global $dustpress;
$hash;
$defaults = [
'data' => false,
'type' => 'default',
'echo' => true,
'main' => false,
];
if ( is_array( $args ) ) {
if ( ! isset( $args['partial'] ) ) {
die( '<p><b>DustPress error:</b> No partial is given to the render function.</p>' );
}
}
$options = array_merge( $defaults, (array) $args );
extract( $options );
if ( 'default' == $type && ! get_option( 'dustpress_default_format' ) ) {
$type = 'html';
}
else if ( 'default' == $type && get_option( 'dustpress_default_format' ) ) {
$type = get_option( 'dustpress_default_format' );
}
if ( $this->get_setting( 'json_url' ) && isset( $_GET['json'] ) ) {
$type = 'json';
}
if ( $this->get_setting( 'json_headers' ) && isset( $_SERVER['HTTP_ACCEPT'] ) && $_SERVER['HTTP_ACCEPT'] == 'application/json' ) {
$type = 'json';
}
$types = array(
'html' => function( $data, $partial, $dust ) {
try {
if ( apply_filters( 'dustpress/cache/partials', false ) && apply_filters( 'dustpress/cache/partials/' . $partial, true ) ) {
if ( ! ( $compiled = wp_cache_get( $partial, 'dustpress/partials' ) ) ) {
$compiled = $dust->compileFile( $partial );
wp_cache_set( $partial, $compiled, 'dustpress/partials' );
}
}
else {
$compiled = $dust->compileFile( $partial );
}
}
catch ( Exception $e ) {
die( 'DustPress error: '. $e->getMessage() );
}
if ( apply_filters( 'dustpress/cache/rendered', true ) && apply_filters( 'dustpress/cache/rendered/' . $partial, true ) ) {
$data_hash = sha1( serialize( $compiled ) . serialize( $data ) );
$cache_time = apply_filters( 'dustpress/settings/partial/' . $partial, $this->get_setting( 'rendered_expire_time' ) );
if ( ! ( $rendered = wp_cache_get( $data_hash, 'dustpress/rendered' ) ) ) {
$rendered = $dust->renderTemplate( $compiled, $data );
wp_cache_set( $data_hash, $rendered, 'dustpress/rendered', $cache_time );
}
}
else {
$rendered = $dust->renderTemplate( $compiled, $data );
}
return $rendered;
},
'json' => function( $data, $partial, $dust ) {
try {
$output = json_encode( $data );
}
catch ( Exception $e ) {
die( 'JSON encode error: ' . $e->getMessage() );
}
return $output;
}
);
$types = apply_filters( 'dustpress/formats', $types );
if ( ! $data ) {
$this->model->data = (array) $this->model->data;
$this->model->data['WP'] = $this->populate_data_collection();
}
// Ensure we have a DustPHP instance.
if ( isset( $this->dust ) ) {
$dust = $this->dust;
}
else {
die( 'DustPress error: Something very unexpected happened: there is no DustPHP.' );
}
$dust->helpers = apply_filters( 'dustpress/helpers', $dust->helpers );
// Fetch Dust partial by given name. Throw error if there is something wrong.
try {
$template = $this->get_template( $partial );
$helpers = $this->prerender( $partial );
$this->prerun_helpers( $helpers );
}
catch ( Exception $e ) {
die( 'DustPress error: '. $e->getMessage() );
}
if ( $data ) {
$render_data = apply_filters( 'dustpress/data', $data );
}
else {
$render_data = apply_filters( 'dustpress/data', $this->model->data );
$render_data = apply_filters( 'dustpress/data/main', $render_data );
}
$this->dust->includedDirectories = $this->get_template_paths( 'partials' );
// Create output with wanted format.
$output = call_user_func_array( $types[$type], array( $render_data, $template, $dust ) );
// Filter output
$output = apply_filters( 'dustpress/output', $output, $options );
// Do something with the data after rendering
apply_filters( 'dustpress/data/after_render', $render_data );
if ( $echo ) {
if ( empty ( strlen( $output ) ) ) {
$error = true;
echo 'DustPress warning: empty output.';
}
else {
echo $output;
}
}
else {
return $output;
}
if ( isset( $error ) ) {
return false;
}
else {
return true;
}
}
/**
* This function checks whether the given partial exists and returns the contents of the file as a string
*
* @type function
* @date 17/3/2015
* @since 0.0.1
*
* @param $partial (string)
* @return $template (string)
*/
private function get_template( $partial ) {
// Check if we have received an absolute path.
if ( file_exists( $partial ) )
return $partial;
else {
$templatefile = $partial . '.dust';
$templates = $this->get_templates();
if ( isset( $templates[ $templatefile ] ) ) {
return $templates[ $templatefile ];
}
// Force searching of templates bypassing the cache.
$templates = $this->get_templates( true );
if ( isset( $templates[ $templatefile ] ) ) {
return $templates[ $templatefile ];
}
// If we could not find such template.
throw new Exception( 'Error loading template file: ' . $partial, 1 );
}
}
/**
* This function initializes DustPress settings with default values
*
* @type function
* @date 01/04/2016
* @since 0.4.0
*
* @return N/A
*/
public function init_settings() {
$this->settings = [
'cache' => false,
'debug_data_block_name' => 'Helper data',
'rendered_expire_time' => 7*60*60*24,
'json_url' => false,
'json_headers' => false,
];
// loop through the settings and execute possible filters from functions
foreach ( $this->settings as $key => $value ) {
$this->settings[ $key ] = apply_filters( 'dustpress/settings/'. $key, $value );
}
// A hook to prevent DustPress error to appear in Yoast's sitemap
add_filter( 'wpseo_build_sitemap_post_type', array( $this, 'disable' ), 1, 1 );
// A hook to prevent DustPress error to appear when using WP Rest API
add_action( 'rest_api_init', array( $this, 'disable' ), 1, 1 );
// A hook to prevent DustPress error to appear when generating robots.txt
add_action( 'do_robotstxt', array( $this, 'disable' ), 1, 1 );
return null;
}
/**
* This function returns DustPress setting for specific key.
*
* @type function
* @date 29/01/2016
* @since 0.3.1
*
* @return $setting (any)
*/
public function get_setting( $key ) {
return apply_filters( 'dustpress/settings/' . $key, isset( $this->settings[ $key ] ) ? $this->settings[ $key ] : null );
}
/**
* Returns true if we are on login or register page.
*
* @type function
* @date 9/4/2015
* @since 0.0.7
*
* @param N/A
* @return true/false (boolean)
*/
public function is_login_page() {
return in_array( $GLOBALS['pagenow'], array( 'wp-login.php', 'wp-register.php' ) );
}
/**
* This function returns given string converted from CamelCase to camel-case
* (or probably camel_case or somethinge else, if wanted).
*
* @type function
* @date 15/6/2015
* @since 0.1.0
*
* @param $string (string)
* @param $char (string)
* @return (string)
*/
public function camelcase_to_dashed( $string, $char = '-' ) {
preg_match_all( '!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $string, $matches );
$results = $matches[0];
foreach ( $results as &$match ) {
$match = $match == strtoupper( $match ) ? strtolower( $match ) : lcfirst( $match );
}
return implode( $char, $results );
}
/**
* This function returns given string converted from camel-case to CamelCase
* (or probably camel_case or somethinge else, if wanted).
*
* @type function
* @date 1/10/2016
* @since 1.2.9
*
* @param $string (string)
* @param $char (string)
* @return (string)
*/
public function dashed_to_camelcase( $string, $char = '-' ) {
$string = str_replace( $char, ' ', $string );
$string = str_replace( ' ', '', ucwords( $string ) );
return $string;
}
/**
* This function determines if we want to autoload and render the model or not.
*
* @type function
* @date 10/8/2015
* @since 0.2.0
*
* @return (boolean)
*/
private function want_autoload() {
$conditions = [
function() {
return ! $this->is_dustpress_ajax();
},
function() {
return ! is_admin();
},
function() {
return ! $this->is_login_page();
},
function() {
return ! defined( 'WP_CLI' );
},
function() {
return ( php_sapi_name() !== 'cli' );
},
function() {
return ! defined( 'DOING_AJAX' );
},
function() {
if ( strpos( $_SERVER['REQUEST_URI'], 'wp-activate') > 0 ) {
return true;
}
elseif ( defined( 'WP_USE_THEMES' ) ) {
return WP_USE_THEMES !== false;
}
else {
return false;
}
},
function() {
return ! ( strpos( $_SERVER['REQUEST_URI'], '/feed' ) !== false );
},
function() {
return ! isset( $_GET['_wpcf7_is_ajax_call'] );
},
function() {
return ! isset( $_POST['_wpcf7_is_ajax_call'] );
},
function() {
return ! isset( $_POST['gform_ajax'] );
},
function() {
return ! isset( $_POST['dustpress_comments_ajax'] );
}
];
$conditions = apply_filters( 'dustpress/want_autoload', $conditions );
foreach( $conditions as $condition ) {
if ( is_callable( $condition ) ) {
if ( false === $condition() ) {
return false;
}
}
else {
if ( ! is_null( $condition ) ) {
return false;
}
}
}
return true;
}