dbxTPL.class.php

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<?php
 
class dbxTPL extends \dbxObj {

    private $maxDepth = 10;
    public $_modul = 'dbx';
 
 
    /* =========================================================
       BASIC REPLACE
    ========================================================= */

    function replaces(string $tpl, $replaces): string {
 
        if (!is_array($replaces)) {
            $replaces = dbx()->parse_url($replaces);
        }
 
        if (!is_array($replaces) || !$replaces) {
            return $tpl;
        }
 
        $map = array();
        foreach ($replaces as $key => $value) {
            if (is_array($value) || is_object($value)) {
                $value = '';
            }
 
            $map['{' . $key . '}'] = (string) ($value ?? '');
        }
 
        return $map ? strtr($tpl, $map) : $tpl;
    }
 

    public function replaces_dbx(string $tpl): string {
 
        $tpl = str_replace('{dbx:base_href}', dbx()->get_base_url(), $tpl);
        $tpl = str_replace('{dbx:design}'   , dbx()->get_system_var('dbx_activ_design', dbx()->get_system_var('dbx_design')), $tpl);
        $tpl = str_replace('{dbx:color}'    , dbx()->get_skin(), $tpl);
        $tpl = str_replace('{dbx:skin_css}' , dbx()->get_skin_css(), $tpl);
        $tpl = str_replace('{dbx:skin_class}', dbx()->get_skin_class(), $tpl);
        $tpl = str_replace('{dbx:page}'     , dbx()->get_system_var('dbx_activ_page', dbx()->get_system_var('dbx_page')), $tpl);
        $tpl = str_replace('{dbx:lng}'      , dbx()->get_system_var('dbx_activ_lng', dbx()->get_system_var('dbx_lng')), $tpl);
        $tpl = str_replace('{dbx:title}'    , htmlspecialchars((string)dbx()->get_system_var('dbx_title'), ENT_QUOTES, 'UTF-8'), $tpl);
        $tpl = str_replace('{dbx:perma}'    , dbx()->get_system_var('dbx_perma'), $tpl);
 
        $meta_description = (string)dbx()->get_system_var('dbx_meta_description', '');
        $meta_keywords    = (string)dbx()->get_system_var('dbx_meta_keywords', '');
        $canonical        = (string)dbx()->get_system_var('dbx_canonical', '');
        $robots           = $this->effective_robots_meta();
        $og_title         = (string)dbx()->get_system_var('dbx_og_title', '');
        $og_description   = (string)dbx()->get_system_var('dbx_og_description', '');
        $og_url           = (string)dbx()->get_system_var('dbx_og_url', '');
        $og_image         = (string)dbx()->get_system_var('dbx_og_image', '');
 
        $tpl = str_replace('{dbx:meta_description}', $this->seo_attr_esc($meta_description), $tpl);
        $tpl = str_replace('{dbx:meta_keywords}'   , $this->seo_attr_esc($meta_keywords), $tpl);
        $tpl = str_replace('{dbx:canonical}'       , $this->seo_attr_esc($canonical), $tpl);
        $tpl = str_replace('{dbx:robots}'          , $this->seo_attr_esc($robots), $tpl);
        $tpl = str_replace('{dbx:og_title}'       , $this->seo_attr_esc($og_title), $tpl);
        $tpl = str_replace('{dbx:og_description}' , $this->seo_attr_esc($og_description), $tpl);
        $tpl = str_replace('{dbx:og_url}'          , $this->seo_attr_esc($og_url), $tpl);
        $tpl = str_replace('{dbx:og_image}'        , $this->seo_attr_esc($og_image), $tpl);
        $tpl = str_replace('{dbx:head_meta}'       , $this->build_head_meta_block(), $tpl);
 
        return $tpl;
    }
 
    private function seo_attr_esc($value): string {
        return htmlspecialchars((string)$value, ENT_QUOTES, 'UTF-8');
    }
 
    private function build_head_meta_block(): string {
        $lines = array();
 
        $description = trim((string)dbx()->get_system_var('dbx_meta_description', ''));
        if ($description !== '') {
            $lines[] = '<meta name="description" content="' . $this->seo_attr_esc($description) . '">';
        }
 
        $keywords = trim((string)dbx()->get_system_var('dbx_meta_keywords', ''));
        if ($keywords !== '') {
            $lines[] = '<meta name="keywords" content="' . $this->seo_attr_esc($keywords) . '">';
        }
 
        $canonical = trim((string)dbx()->get_system_var('dbx_canonical', ''));
        if ($canonical !== '') {
            $lines[] = '<link rel="canonical" href="' . $this->seo_attr_esc($canonical) . '">';
        }
 
        $robots = $this->effective_robots_meta();
        if ($robots !== '') {
            $lines[] = '<meta name="robots" content="' . $this->seo_attr_esc($robots) . '">';
        }
 
        $og_title = trim((string)dbx()->get_system_var('dbx_og_title', ''));
        if ($og_title !== '') {
            $lines[] = '<meta property="og:title" content="' . $this->seo_attr_esc($og_title) . '">';
        }
 
        $og_description = trim((string)dbx()->get_system_var('dbx_og_description', ''));
        if ($og_description !== '') {
            $lines[] = '<meta property="og:description" content="' . $this->seo_attr_esc($og_description) . '">';
        }
 
        $og_url = trim((string)dbx()->get_system_var('dbx_og_url', ''));
        if ($og_url !== '') {
            $lines[] = '<meta property="og:url" content="' . $this->seo_attr_esc($og_url) . '">';
        }
 
        $og_image = trim((string)dbx()->get_system_var('dbx_og_image', ''));
        if ($og_image !== '') {
            $lines[] = '<meta property="og:image" content="' . $this->seo_attr_esc($og_image) . '">';
        }
 
        if ($og_title !== '' || $og_description !== '' || $og_url !== '' || $og_image !== '') {
            $lines[] = '<meta property="og:type" content="website">';
        }
 
        $hreflang = (string)dbx()->get_system_var('dbx_hreflang', '');
        if (trim($hreflang) !== '') {
            $lines[] = ltrim($hreflang);
        }
 
        $jsonLd = trim((string)dbx()->get_system_var('dbx_json_ld', ''));
        if ($jsonLd !== '') {
            $lines[] = $jsonLd;
        }
 
        if (!$lines) {
            return '';
        }
 
        return "\n    " . implode("\n    ", $lines);
    }
 
    private function effective_robots_meta(): string {
        $robots = trim((string)dbx()->get_system_var('dbx_robots', ''));
        if ($robots !== '') {
            return $robots;
        }
 
        $modul = trim((string)dbx()->get_request_var('dbx_modul', '', 'parameter'));
        $action = trim((string)dbx()->get_request_var('dbx_action', '', 'parameter'));
        $ajax = (int)dbx()->get_system_var('dbx_ajax', 0, 'int');
        $window = (int)dbx()->get_system_var('dbx_window', 0, 'int');
 
        if ($modul !== '' || $action !== '' || $ajax > 0 || $window > 0) {
            return 'noindex,follow';
        }
 
        return '';
    }

    public function cleanup_optional_placeholders(string $content): string {
        return str_replace(
            array('{bar_middle}', '[dbx:js]'),
            '',
            $content
        );
    }
 
 
    /* =========================================================
       TEMPLATE LOADER (MIT CACHE + LANGUAGE)
    ========================================================= */

    function read_tpl($modul, $file, $type = 'htm') {
        //dbx_debug("## read_tpl  Modul=($modul) file=($file) typ=($type)");
        $file = strtolower($file);
        $lng  = dbx()->get_system_var('dbx_lng', '');
 
        if (!isset($_SESSION['dbx']['cache']['tpl'])) {
            $_SESSION['dbx']['cache']['tpl'] = [];
        }
 
        $cache =& $_SESSION['dbx']['cache']['tpl'];
 
        // --- CACHE HIT ---
        if (isset($cache[$modul][$file][$type][$lng])) {
            return $cache[$modul][$file][$type][$lng]['tpl'];
        }
 
        $base = dbx_get_base_dir() . "dbx/modules/$modul/tpl/$type/";
 
        $path = function_exists('dbx_lng_resolve_file')
            ? dbx_lng_resolve_file($base, $file, $type, '', true)
            : '';
 
        if ($path === '') {
            $file_lng = $base . $file . '_' . $lng . '.' . $type;
            $file_def = $base . $file . '.' . $type;
 
            if ($lng && file_exists($file_lng)) {
                $path = $file_lng;
            } elseif (file_exists($file_def)) {
                $path = $file_def;
            }
        }
 
        if (!$path) {
            return "<div class='alert alert-danger'>TPL ($modul/$file.$type) not found</div>";
        }
 
        $tpl = file_get_contents($path);
 
        // 🔥 DBX Replace direkt im Cache
        $tpl = $this->replaces_dbx($tpl);
 
        $relPath = dbx()->editor_file_path($path);
 
        // Cache speichern
        $cache[$modul][$file][$type][$lng] = [
            'tpl'  => $tpl,
            'path' => $relPath // 🔥 HIER NICHT MEHR $path!
        ];
 
        return $tpl;
    }
 
 
    /* =========================================================
       EDITOR (MARKER SYSTEM)
    ========================================================= */

    private function has_editor($modul, $isDesign, $edit, $path = ''): bool {
        if ((int)dbx()->get_system_var('dbx_editor', 0, 'int') > 0) {
            return false;
        }
 
        if ((string)dbx()->get_system_var('dbx_page', '') === '_tpledit') {
            return false;
        }
 
        $isDbxModule = $this->is_dbx_template_path($path);
 
        if ($path === '') {
            $isDbxModule = strtolower(trim((string) $modul)) === 'dbx';
        }
 
        switch ($edit) {
            case 1: return !$isDesign && !$isDbxModule;
            case 2: return !$isDesign && $isDbxModule;
            case 3: return !$isDesign;
            case 9: return true;
        }
 
        return false;
    }
 
    private function is_dbx_template_path($path): bool {
        $path = strtolower(str_replace('\\', '/', trim((string) $path)));
        return strpos($path, 'dbx/modules/dbx/tpl/') === 0;
    }
 
    private function get_cached_tpl_path($modul, $file, $type): string {
        $lng = dbx()->get_system_var('dbx_lng', '');
        $path = $_SESSION['dbx']['cache']['tpl'][$modul][$file][$type][$lng]['path'] ?? '';
 
        // Auch alte Session-Cache-Eintraege mit absoluten Windows-Pfaden bereinigen.
        return $path !== '' ? dbx()->editor_file_path($path) : '';
    }
 

    private function add_marker($tpl, $modul, $file, $type) {
        $path = $this->get_cached_tpl_path($modul, $file, $type);
 
        if ($path) {
            dbx()->register_editor_file('tpl', $path);
        }
 
        if (!$path) {
            return $tpl;
        }
 
        // Tabellen-Zellen: Marker IN <td>/<th>, nicht als Geschwister davor/dahinter.
        // Sonst zerlegt der Browser die Zuordnung in <tr> und die Markierung stimmt nicht.
        if (preg_match('/^<t([dh])\b([^>]*)>(.*)<\/t\1>\s*$/is', $tpl, $m)) {
            return '<t' . $m[1] . $m[2] . '><!-- DBX-TPL-START|' . $path . ' -->'
                . $m[3] . '<!-- DBX-TPL-END --></t' . $m[1] . '>';
        }
 
        return "<!-- DBX-TPL-START|$path -->" . $tpl . "<!-- DBX-TPL-END -->";
    }
 
 
    /* =========================================================
       INC SYSTEM
    ========================================================= */

    private function process_inc($tpl) {
 
        $allowed = ['has_group', 'is_dbx_edit'];
 
        return preg_replace_callback('/\‍[inc=([^\‍]]+)\‍](.*?)\‍[\/inc\‍]/s', function ($m) use ($allowed) {
 
            $cond    = trim($m[1]);
            $content = $m[2];
 
            if ($cond === '1') return $content;
            if ($cond === '0') return '';
 
            // Funktion prüfen
            if (preg_match('/(\w+)\‍((.*?)\‍)/', $cond, $f)) {
 
                $fn   = $f[1];
                $args = array_map('trim', explode(',', $f[2]));
 
                // Template-Quotes entfernen:
                // has_group('admin') -> admin
                // has_group("admin") -> admin
                $args = array_map(function ($arg) {
                    $arg = trim($arg);
 
                    if (
                        (substr($arg, 0, 1) === "'" && substr($arg, -1) === "'") ||
                        (substr($arg, 0, 1) === '"' && substr($arg, -1) === '"')
                    ) {
                        $arg = substr($arg, 1, -1);
                    }
 
                    return $arg;
                }, $args);
 
                if (in_array($fn, $allowed, true)) {
 
                    $dbx = dbx();
 
                    if (is_object($dbx) && is_callable([$dbx, $fn])) {
                        return call_user_func_array([$dbx, $fn], $args) ? $content : '';
                    }
 
                    if (function_exists($fn)) {
                        return call_user_func_array($fn, $args) ? $content : '';
                    }
                }
            }
 
            return '';
        }, $tpl);
    }
 
 
    /* =========================================================
       TPL SYSTEM (REKURSIV)
    ========================================================= */

    private function process_tpl($tpl, $data, $depth) {
 
        if ($depth > $this->maxDepth) {
            return "<!-- MAX DEPTH -->";
        }
 
        return preg_replace_callback('/\‍[tpl=([^\‍]]+)\‍]/', function ($m) use ($data, $depth) {
 
            $parts = explode('|', $m[1], 3);
 
            $modul = $this->_modul;
            $file  = $m[1];
 
            if (count($parts) > 1) {
                $modul = $parts[0];
                $file  = $parts[1];
            }
 
            $type = $parts[2] ?? 'htm';
 
            return $this->get_tpl($modul . '|' . $file, $data, $type, 0, $depth + 1);
 
        }, $tpl);
    }
 
 
    /* =========================================================
       MAIN ENTRY
    ========================================================= */

    public function get_tpl($file, $data = '', $type = 'htm', $i = 0, $depth = 0) {
        if ($depth > $this->maxDepth) {
            return "<!-- MAX DEPTH -->";
        }
 
        // "modul|file" Shortcut
        $modul = 'dbx';
        $parts = explode('|', $file);
 
        if (count($parts) > 1) {
            $modul = $parts[0];
            $file  = $parts[1];
        }
 
        // Modul Alias
        if ($modul === 'modul') {
            $modul = dbx()->get_system_var('dbx_activ_modul', 'dbx');
        }
 
        // 🔥 FIX: Nur beim ROOT setzen (Kontext stabil halten)
        if ($depth === 0) {
            $this->_modul = $modul;
        }
 
        $edit     = dbx()->get_system_var('dbx_edit', 0);
        $isDesign = 0;
 
        // --- LOAD ---
        $tpl = $this->read_tpl($modul, $file, $type);
 
        // --- DATA ---
        $tpl = $this->replaces($tpl, $data);
 
        // --- INC ---
        if (strpos($tpl, '[inc=') !== false) {
            $tpl = $this->process_inc($tpl);
        }
 
        // --- TPL ---
        if (strpos($tpl, '[tpl=') !== false) {
            $tpl = $this->process_tpl($tpl, $data, $depth);
        }
 
        // --- MARKER ---
        $path = $this->get_cached_tpl_path($modul, $file, $type);
 
        if ($edit && $this->has_editor($modul, $isDesign, $edit, $path)) {
            $tpl = $this->add_marker($tpl, $modul, $file, $type);
        }
 
        return $tpl;
    }
 
    // design template
    function get_design_tpl($design, $page, $language = 'de', $type = 'htm', $repurl = 1) {
 
        if (!$page) $page = 'default';
        if (substr($page, 0, 1) == "_") $design = 'admin';
 
        // Design Mapping (user/admin)
        if ($design == 'admin' || $design == 'user') {
            $config = dbx()->get_config('dbx');
            if ($design == 'admin') $design = $config['default_design_admin'];
            if ($design == 'user')  $design = $config['default_design_user'];
        }
 
        $page_content = '';
        $requested_page = $page;
        $dir_file = $this->get_design_tpl_dir_file($type, $design, $page, false);
 
        if (!$dir_file) {
            if ($requested_page != 'default') {
                dbx()->sys_msg('info', "Page ($requested_page) not exist. Use (default)");
            }
 
            $dir_file = $this->get_design_tpl_dir_file($type, $design, 'default', false);
 
            if ($dir_file) {
                $page = 'default';
            } else {
                dbx()->sys_msg('error', "Default page (default) not exist");
            }
        }
 
        $home_url = dbx()->get_base_url();
 
        if ($dir_file && file_exists($dir_file)) {
 
            $dir_file = dbx_os_path_file($dir_file);
 
            // --- LOAD ---
            $page_content = file_get_contents($dir_file);
            
            $page_content = $this->process_inc($page_content);
 
            // --- SET SYSTEM STATE ---
            dbx()->set_system_var('dbx_activ_design', $design);
            dbx()->set_system_var('dbx_activ_page', $page);
            dbx()->set_system_var('dbx_activ_lng', $language);
            dbx()->register_editor_file('design', $dir_file);
 
            // --- URL FIX ---
            if ($repurl == 1 && $type == 'htm') {
                $url = "dbx/design/$design/";
                $new_url = '="' . $url;
                $i = dbx()->next_id();               $page_content = str_replace("<head>", "<head>\n <base href=\"" . $home_url . "\"/>", $page_content);
                $page_content = str_replace('{base_url}', $home_url, $page_content);
                $page_content = str_replace('="../', $new_url, $page_content);
                $page_content = str_replace('{i}', $i, $page_content);
 
                $page_content = $this->process_tpl($page_content, [], 1); // [tpl] im Design-Template verarbeiten
            }
 
            // --- DBX REPLACE ---
            $page_content = $this->replaces_dbx($page_content);
 
            // =====================================================
            // 🔥 DESIGN EDITOR (NEU)
            // =====================================================
            $edit = dbx()->get_system_var('dbx_edit', 0);
 
            if (false && $edit == 4) {
 
                $url =
                    '?dbx_modul=dbxAdmin' .
                    '&dbx_run1=_edittpl_file' .
                    '&file=' . urlencode($dir_file);
 
                $icon =
                    '<a href="' . $url . '" class="dbx-win" ' .
                    'data-url="' . htmlspecialchars($url, ENT_QUOTES, 'UTF-8') . '" data-title="Template bearbeiten" data-width="900" data-height="80%" ' .
                    'style="
                        position:absolute;
                        top:10px;
                        left:10px;
                        z-index:9999;
                        background:rgba(0,0,0,0.7);
                        color:#fff;
                        font-size:12px;
                        padding:2px 5px;
                        border-radius:3px;
                        text-decoration:none;
                    ">✎</a>';
 
                // 👉 direkt nach <body> einfügen
                $page_content = preg_replace(
                    '/<body([^>]*)>/i',
                    '<body$1>' . "\n" . $icon,
                    $page_content,
                    1
                );
            }
        }
 
        // --- PHP TEMPLATE ---
        if ($type == 'php') {
            $dir_file = $this->get_design_tpl_dir_file('php', $design, $page, false);
            if ($dir_file && file_exists($dir_file)) {
                include $dir_file;
            }
        }
 
        return $page_content;
    }
 
    function get_design_tpl_dir_file($type, $design, $file, $fallback = true) {
 
        // Basisverzeichnis
        $base = dbx_get_base_dir() . "dbx/design/$design/$type/";
 
        // 1. gewünschte Datei (mit Sprachsuffix)
        $dir_file = function_exists('dbx_lng_resolve_file')
            ? dbx_lng_resolve_file($base, $file, $type, '', false)
            : '';
 
        if ($dir_file === '' && file_exists($base . $file . '.' . $type)) {
            $dir_file = $base . $file . '.' . $type;
        }
 
        if ($dir_file) {
            return $dir_file;
        }
 
        if (!$fallback) {
            return '';
        }
 
        // 2. fallback: default (mit Sprachsuffix)
        $dir_file = function_exists('dbx_lng_resolve_file')
            ? dbx_lng_resolve_file($base, 'default', $type, '', false)
            : '';
 
        if ($dir_file === '' && file_exists($base . 'default.' . $type)) {
            $dir_file = $base . 'default.' . $type;
        }
 
        if ($dir_file) {
            return $dir_file;
        }
 
        // 3. nichts gefunden
        return '';
    }
 
}