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Dockerfile

@@ -1,53 +1,47 @@
+# 使用 Node.js 20 作为基础镜像
 FROM node:20
 
-ENV DEBIAN_FRONTEND=noninteractive
-ENV NODE_VERSION=20
+# 设置工作目录
+WORKDIR /app
 
+# 安装必要的工具和 Dropbear
 RUN apt-get update && apt-get install -y \
-    python3 \
-    python3-pip \
-    wget \
-    curl \
-    gnupg \
-    build-essential \
-    zlib1g-dev \
-    iproute2 \
-    && apt-get clean \
+    dropbear \
     && rm -rf /var/lib/apt/lists/*
 
-RUN curl -fsSL https://deb.nodesource.com/setup_${NODE_VERSION}.x | bash - \
-    && apt-get install -y nodejs
+# 复制 package.json 和 package-lock.json（如果存在）
+COPY package*.json ./
+
 
-RUN wget https://matt.ucc.asn.au/dropbear/dropbear-2024.85.tar.bz2 \
-    && tar xjf dropbear-2024.85.tar.bz2 \
-    && cd dropbear-2024.85 \
-    && ./configure \
-    && make \
-    && make install \
-    && cd .. \
-    && rm -rf dropbear-2024.85 dropbear-2024.85.tar.bz2
+# 安装依赖，包括 ssh2
+RUN npm install ssh2
 
-# 检查 UID 1000 是否存在，如果存在则删除，然后创建新用户
+# 复制其余的源代码
+COPY . .
+
+# 创建一个新用户，UID 为 1000
 RUN if id 1000 >/dev/null 2>&1; then \
         userdel -f $(id -nu 1000); \
     fi \
     && useradd -u 1000 -m -s /bin/bash user \
     && echo 'user:password' | chpasswd
 
-# 将新创建的用户设为工作用户
-USER user
+# 设置 Dropbear
+RUN mkdir -p /etc/dropbear
+RUN dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
 
-WORKDIR /home/user/app
+# 更改目录所有权
+RUN chown -R user:user /app /etc/dropbear
 
-COPY package*.json ./
-RUN npm install
-
-COPY . .
+# 切换到新用户
+USER user
 
-RUN chown -R user:user /home/user \
-    && mkdir -p /etc/dropbear \
-    && chown -R user:user /etc/dropbear
+# 暴露 Web 应用端口和 Dropbear SSH 端口
+EXPOSE 7860 2202
 
-EXPOSE 3000 2222
+# 启动脚本
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
 
-CMD ["npm", "start"]
+# 使用启动脚本
+CMD ["/start.sh"]

app.js

@@ -1,53 +1,33 @@
 const express = require('express');
 const { Client } = require('ssh2');
-const fs = require('fs').promises;
-
 const app = express();
-const port = process.env.PORT || 3000;
+const port = 7860;
 
 app.use(express.json());
 
-app.post('/execute', async (req, res) => {
-    const { command } = req.body;
-
-    if (!command) {
-        return res.status(400).json({ error: 'Command is required' });
-    }
-
-    try {
-        const conn = new Client();
-        const privateKey = await fs.readFile('/home/user/.ssh/id_rsa');
-
-        conn.on('ready', () => {
-            conn.exec(command, (err, stream) => {
-                if (err) {
-                    conn.end();
-                    return res.status(500).json({ error: 'Failed to execute command' });
-                }
-
-                let output = '';
-                stream.on('close', (code, signal) => {
-                    conn.end();
-                    res.json({ output: output.trim(), code });
-                }).on('data', (data) => {
-                    output += data;
-                }).stderr.on('data', (data) => {
-                    output += data;
-                });
+app.post('/ssh', (req, res) => {
+    const conn = new Client();
+    conn.on('ready', () => {
+        conn.exec(req.body.command, (err, stream) => {
+            if (err) throw err;
+            let data = '';
+            stream.on('close', (code, signal) => {
+                conn.end();
+                res.send(data);
+            }).on('data', (chunk) => {
+                data += chunk;
+            }).stderr.on('data', (chunk) => {
+                data += chunk;
             });
-        }).on('error', (err) => {
-            res.status(500).json({ error: 'SSH connection failed', details: err.message });
-        }).connect({
-            host: 'localhost',
-            port: 2222,
-            username: 'user',
-            privateKey
         });
-    } catch (error) {
-        res.status(500).json({ error: 'Internal server error', details: error.message });
-    }
+    }).connect({
+        host: 'localhost',
+        port: 2202,
+        username: 'user',
+        password: 'password'
+    });
 });
 
-app.listen(port, '0.0.0.0', () => {
-    console.log(`Server running on port ${port}`);
+app.listen(port, () => {
+    console.log(`Web SSH app listening at http://localhost:${port}`);
 });

package.json

@@ -1,7 +1,6 @@
 {
-    "name": "ssh-web-app",
+    "name": "web-ssh-app",
     "version": "1.0.0",
-    "description": "Web app to execute commands via SSH",
     "main": "app.js",
     "scripts": {
         "start": "node app.js"

start.sh

@@ -1,37 +1,7 @@
 #!/bin/bash
 
-set -e
-set -x
+# 启动 Dropbear，使用 2202 端口
+dropbear -R -p 2202
 
-if [ ! -f /etc/dropbear/dropbear_rsa_host_key ]; then
-    dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
-fi
-
-if [ ! -f ~/.ssh/id_rsa ]; then
-    mkdir -p ~/.ssh
-    ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa
-    cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
-    chmod 600 ~/.ssh/authorized_keys
-fi
-
-/usr/local/sbin/dropbear -R -F -E -p 2222 &
-
-sleep 2
-
-echo "测试SSH连接..."
-if ssh -o StrictHostKeyChecking=no -p 2222 localhost 'echo SSH连接成功'; then
-    echo "SSH连接测试成功"
-else
-    echo "SSH连接测试失败"
-    exit 1
-fi
-
-npm start &
-
-echo "当前用户: $(whoami)"
-echo "Dropbear 进程: $(pgrep dropbear)"
-echo "Node.js 进程: $(pgrep node)"
-echo "2222 端口监听状态: $(ss -tuln | grep 2222)"
-echo "3000 端口监听状态: $(ss -tuln | grep 3000)"
-
-wait
+# 启动 Node.js 应用
+npm start