false,
'type' => false,
'format' => false,
'fragments' => array(),
'depedencies' => false,
'in_footer' => false,
'minify_js' => false,
'version' => false
);
$this->compiler = array_merge( $defaults, $args );
$this->dir = beans_get_compiler_dir( is_admin() ) . $this->compiler['id'];
$this->url = beans_get_compiler_url( is_admin() ) . $this->compiler['id'];
$this->set_fragments();
$this->set_filname();
if ( !$this->cache_file_exist() ) {
$this->filesystem();
$this->maybe_make_dir();
$this->cache_file();
}
$this->enqueue_file();
// Keep it safe and reset WP Filsystem method.
remove_filter( 'filesystem_method', array( $this, 'filesystem_method' ) );
}
/**
* Set WP Filsystem method.
*/
public function filesystem_method() {
return 'direct';
}
/**
* Initialise WP Filsystem.
*/
public function filesystem() {
// Initialize the WordPress Filsystem.
if ( !isset( $GLOBALS['wp_filesystem'] ) || empty( $GLOBALS['wp_filesystem'] ) ) {
require_once( ABSPATH . '/wp-admin/includes/file.php' );
if ( !WP_Filesystem() )
return $this->kill();
}
return true;
}
/**
* Make directory.
*/
public function maybe_make_dir() {
if ( !@is_dir( $this->dir ) )
wp_mkdir_p( $this->dir );
if ( !is_writable( $this->dir ) )
return false;
return true;
}
/**
* Set class fragments.
*/
public function set_fragments() {
global $_beans_compiler_added_fragments;
if ( $added_fragments = beans_get( $this->compiler['id'], $_beans_compiler_added_fragments[$this->compiler['format']] ) )
$this->compiler['fragments'] = array_merge( $this->compiler['fragments'], $added_fragments );
$this->compiler['fragments'] = apply_filters( 'beans_compiler_fragments_' . $this->compiler['id'], $this->compiler['fragments'] );
}
/**
* Set class filname.
*/
public function set_filname() {
$hash = substr( md5( @serialize( $this->compiler ) ), 0, 7 );
// Stop here and return filename if not in dev mode or if not using filesystem.
if ( !_beans_is_compiler_dev_mode() || !@is_dir( $this->dir ) )
return $this->compiler['filename'] = $hash . '.' . $this->get_extension();
$fragments_filemtime = array();
// Check for internal file changes.
foreach ( $this->compiler['fragments'] as $id => $fragment ) {
// Ignore if the fragment is a function.
if ( $this->is_function( $fragment ) )
continue;
// Only check file time for internal files.
if ( strpos( $fragment, $_SERVER['HTTP_HOST'] ) !== false || preg_match( '#^\/[^\/]#', $fragment ) == true )
$fragments_filemtime[$id] = @filemtime( beans_url_to_path( $fragment ) );
}
if ( !empty( $fragments_filemtime ) ) {
// Set filemtime hash.
$_hash = substr( md5( @serialize( $fragments_filemtime ) ), 0, 7 );
$items = @scandir( $this->dir );
unset( $items[0], $items[1] );
// Clean up other modified files.
foreach ( $items as $item )
// Remove if it contains initial hash, is the same format and doesn't contain the filemtime hash.
if ( stripos( $item, $hash ) !== false && stripos( $item, $this->get_extension() ) !== false && stripos( $item, $_hash ) === false )
@unlink( $this->dir . '/' . $item );
// Set the new hash which will trigger to new compiling.
$hash = $hash . '-' . $_hash;
}
$this->compiler['filename'] = $hash . '.' . $this->get_extension();
}
/**
* Check if cached file exists.
*/
public function cache_file_exist() {
if ( ( $filname = beans_get( 'filename', $this->compiler ) ) && file_exists( $this->dir . '/' . $filname ) )
return true;
return false;
}
/**
* Create cached file.
*/
public function cache_file() {
$content = $this->combine_fragments();
$filename = $this->dir . '/' . $this->compiler['filename'];
// Safe to access filesystem since we made sure it was set.
if ( !$GLOBALS['wp_filesystem']->put_contents( $filename, $content, FS_CHMOD_FILE ) )
return false;
return true;
}
/**
* Enqueue cached file.
*/
public function enqueue_file() {
// Enqueue css.
if ( $this->compiler['type'] == 'style' )
return wp_enqueue_style( $this->compiler['id'], $this->get_url(), $this->compiler['depedencies'], $this->compiler['version'] );
// Enqueue js file.
elseif ( $this->compiler['type'] == 'script' )
return wp_enqueue_script( $this->compiler['id'], $this->get_url(), $this->compiler['depedencies'], $this->compiler['version'], $this->compiler['in_footer'] );
return false;
}
/**
* Get cached file url.
*/
public function get_url() {
$url = trailingslashit( $this->url ) . beans_get( 'filename', $this->compiler );
if ( is_ssl() )
$url = str_replace('http://', 'https://', $url );
return $url;
}
/**
* Get file extension.
*/
public function get_extension() {
if ( $this->compiler['type'] == 'style' )
return 'css';
elseif ( $this->compiler['type'] == 'script' )
return 'js';
}
/**
* Combine fragments content.
*/
public function combine_fragments() {
$content = '';
// Looo through fragments.
foreach ( $this->compiler['fragments'] as $fragment ) {
// Stop here if the fragment is empty.
if ( empty( $fragment ) )
continue;
// Set the current fragment used by other functions.
$this->current_fragment = $fragment;
// Treat function.
if ( $this->is_function( $fragment ) ) {
$get_content = $this->get_function_content();
}
// Treat file.
else {
$get_content = $this->get_internal_content();
// Try remote content if the internal content returned false.
if ( !$get_content )
$get_content = $this->get_remote_content();
}
// Stop here if no content or content is an html page.
if ( !$get_content || preg_match( '#^\s*\<#', $get_content ) )
continue;
// Add the content.
if ( $this->compiler['type'] == 'style' ) {
$get_content = $this->replace_css_url( $get_content );
$get_content = $this->add_content_media_query( $get_content );
// Add content wrapped in the media query if set.
$content .= $get_content;
} else {
// Prevent js conflicts.
$content .= "\n\n" . ";" . $get_content;
}
}
return $this->format_content( $content );
}
/**
* Get internal file content.
*/
public function get_internal_content() {
// Replace url with path.
$fragment = beans_url_to_path( $this->current_fragment );
// Stop here if it isn't a valid file.
if ( !file_exists( $fragment ) || @filesize( $fragment ) === 0 )
return false;
// Safe to access filesystem since we made sure it was set.
return $GLOBALS['wp_filesystem']->get_contents( $fragment );
}
/**
* Get external file content.
*/
public function get_remote_content() {
$fragment = $this->current_fragment;
// Replace double slaches by http. Mostly used for font referencing urls.
if ( preg_match( '#^\/\/#', $fragment ) == true )
$fragment = preg_replace( '#^\/\/#', 'http://', $fragment );
// Add domain if it is local but could not be fetched as a file.
elseif ( preg_match( '#^\/#', $fragment ) == true )
$fragment = site_url( $fragment );
$request = wp_remote_get( $fragment );
// If failed to get content, try with ssl url, otherwise go to next fragment.
if ( !is_wp_error( $request ) && ( !isset( $request['body'] ) || $request['response']['code'] != 200 ) ) {
$fragment = preg_replace( '#^http#', 'https', $fragment );
$request = wp_remote_get( $fragment );
if ( !is_wp_error( $request ) && ( !isset( $request['body'] ) || $request['response']['code'] != 200 ) )
return false;
}
return wp_remote_retrieve_body( $request );
}
/**
* Get function content.
*/
public function get_function_content() {
return call_user_func( $this->current_fragment );
}
/**
* Wrap content in query.
*/
public function add_content_media_query( $content ) {
// Ignore if the fragment is a function.
if ( $this->is_function( $this->current_fragment ) )
return $content;
$parse_url = parse_url( $this->current_fragment );
// Return content if it no media query is set.
if ( !( $query = beans_get( 'query', $parse_url ) ) || stripos( $query, 'beans_compiler_media_query' ) === false )
return $content;
// Wrap the content in the query.
$new_content = '@media ' . beans_get( 'beans_compiler_media_query', wp_parse_args( $query ) ) . ' {' . "\n";
$new_content .= $content . "\n";
$new_content .= '}' . "\n";
return $new_content;
}
/**
* Formal CSS, LESS and JS content.
*/
public function format_content( $content ) {
if ( $this->compiler['type'] == 'style' ) {
if ( $this->compiler['format'] == 'less' ) {
if ( !class_exists( 'Beans_Lessc' ) )
require_once( BEANS_API_COMPONENTS_PATH . 'compiler/vendors/lessc.php' );
$less = new Beans_Lessc();
$content = $less->compile( $content );
}
if ( !_beans_is_compiler_dev_mode() )
$content = $this->strip_whitespace( $content );
}
if ( $this->compiler['type'] == 'script' && !_beans_is_compiler_dev_mode() && $this->compiler['minify_js'] ) {
if ( !class_exists( 'JSMin' ) )
require_once( BEANS_API_COMPONENTS_PATH . 'compiler/vendors/js-minifier.php' );
$js_min = new JSMin( $content );
$content = $js_min->min();
}
return $content;
}
/**
* Replace CSS url shortcuts with a valid url.
*/
public function replace_css_url( $content ) {
// Replace css path to urls.
return preg_replace_callback( '#url\s*\(\s*[\'"]*?([^\'"\)]+)[\'"]*\s*\)#i', array( $this, 'css_path_to_url' ) , $content );
}
/**
* replace_css_url() callback.
*/
public function css_path_to_url( $matches, $base_is_path = false ) {
$base = $this->current_fragment;
// Stop here if it isn't a internal file or not a valid format.
if ( preg_match( '#^(http|https|\/\/|data)#', $matches[1] ) == true )
return $matches[0];
$explode_path = explode( '../', $matches[1] );
// Replace the base part according to the path "../".
foreach ( $explode_path as $value )
$base = dirname( $base );
// Rebuild path.
$replace = preg_replace( '#^\/#', '', $explode_path );
$rebuilt_path = end( $replace );
// Make sure it is a valid base.
if ( $base === '.' )
$base = '';
// Rebuild url and make sure it is a valid one using the beans_path_to_url function.
$url = beans_path_to_url( trailingslashit( $base ) . $rebuilt_path );
// Return the rebuilt path converted to url.
return 'url("' . $url . '")';
}
/**
* Minify CSS.
*/
public function strip_whitespace( $content ) {
$replace = array(
"#/\*.*?\*/#s" => '', // Strip comments.
"#\s\s+#" => ' ', // Strip excess whitespace.
);
$search = array_keys( $replace );
$content = preg_replace( $search, $replace, $content );
$replace = array(
": " => ":",
"; " => ";",
" {" => "{",
" }" => "}",
", " => ",",
"{ " => "{",
";}" => "}", // Strip optional semicolons.
",\n" => ",", // Don't wrap multiple selectors.
"\n}" => "}", // Don't wrap closing braces.
"} " => "}\n", // Put each rule on it's own line.
"\n" => "" // Take out all line breaks
);
$search = array_keys( $replace );
return trim( str_replace( $search, $replace, $content ) );
}
/**
* Is the fragement a function.
*/
public function is_function( $fragment ) {
if ( is_array( $fragment ) || is_callable( $fragment ) )
return true;
return false;
}
/**
* Kill it :(
*/
public function kill() {
// Send report if set.
if ( beans_get( 'beans_send_compiler_report' ) )
$this->report();
$html = beans_output( 'beans_compiler_error_title_text', sprintf(
'%s
',
__( 'Not cool, Beans cannot work its magic :(', 'beans' )
) );
$html .= beans_output( 'beans_compiler_error_message_text', sprintf(
'%s
',
__( 'Your current install or file permission prevents Beans from working its magic. Please get in touch with Beans support, we will gladly get you started within 24 - 48 hours (working days).', 'beans' )
) );
$html .= beans_output( 'beans_compiler_error_contact_text', sprintf(
'%s',
__( 'Contact Beans Support', 'beans' )
) );
$html .= beans_output( 'beans_compiler_error_report_text', sprintf(
'%1$s. %2$s
',
__( 'Send us an automatic report', 'beans' ),
__( 'We respect your time and understand you might not be able to contact us.', 'beans' )
) );
wp_die( $html );
}
/**
* Send report.
*/
public function report() {
// Send report.
$send = wp_mail(
'hello@getbeans.io',
'Compiler error',
'Compiler error reported by ' . home_url(),
array(
'MIME-Version: 1.0' . "\r\n",
'Content-type: text/html; charset=utf-8' . "\r\n",
"X-Mailer: PHP \r\n",
'From: ' . wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) . ' < ' . get_option( 'admin_email' ) . '>' . "\r\n",
'Reply-To: ' . get_option( 'admin_email' ) . "\r\n"
)
);
// Die and display message.
wp_die( beans_output( 'beans_compiler_report_error_text', sprintf(
'%s
',
__( 'Thanks for your contribution by reporting this issue. We hope to hear from you again.', 'beans' )
) ) );
}
}