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Summary of ChangesHello @jokyo02, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! 此拉取请求旨在通过将前端和后端服务整合到一个 Docker 镜像中,并调整端口配置以适应 Hugging Face 部署环境,从而优化应用程序的部署策略。核心改动包括引入一个多阶段构建的 Dockerfile 和一个自定义的 Python 启动脚本,以统一处理静态文件服务和 API 路由。 Highlights
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| if __name__ == '__main__': | ||
| with app.app_context(): | ||
| try: | ||
| db.create_all() | ||
| print("Database initialized.") | ||
| except: pass | ||
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| print("Server starting on port 7860...") | ||
| app.run(host='0.0.0.0', port=7860, threaded=True) |
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| app.run(host='0.0.0.0', port=7860, threaded=True) | ||
| EOF | ||
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| RUN chmod -R 777 /app |
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执行 chmod -R 777 /app 会给应用目录和所有文件赋予了全局可读、可写、可执行的权限,这是一个严重的安全隐患。任何能够访问容器的用户(包括可能被利用的进程)都可以修改应用代码。
建议:
删除此行。作为替代,应在 Dockerfile 中创建一个非 root 用户来运行应用,并使用 chown 将 /app 目录的所有权赋予该用户。这是容器安全的基本实践。例如:
# ...
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
RUN chown -R appuser:appgroup /app
USER appuser
# ...
CMD [...]| ENV PORT=7860 | ||
| EXPOSE 7860 | ||
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| CMD ["python", "hf_runner.py"] |
| RUN cat <<EOF > hf_runner.py | ||
| import os | ||
| import sys | ||
| from flask import Flask, send_from_directory, request | ||
| from flask_cors import CORS | ||
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| # 1. 导入原始应用 (此时 app.py 已经没有 @app.route('/') 了) | ||
| sys.path.append(os.getcwd()) | ||
| try: | ||
| from app import app, db | ||
| print("Backend app loaded successfully.") | ||
| except Exception as e: | ||
| print(f"Load error: {e}") | ||
| sys.exit(1) | ||
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| CORS(app) | ||
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| # 2. 锁定静态资源目录 | ||
| STATIC_DIR = os.path.abspath('static') | ||
| app.static_folder = STATIC_DIR | ||
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| # 3. 既然 app.py 的根路由没了,我们在这里接管它 | ||
| @app.route('/') | ||
| def serve_index(): | ||
| return send_from_directory(STATIC_DIR, 'index.html') | ||
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| # 4. 解决静态资源 (assets) 和 SPA 路由 | ||
| @app.route('/<path:path>') | ||
| def catch_all(path): | ||
| # 物理文件存在则直接返回 | ||
| full_path = os.path.join(STATIC_DIR, path) | ||
| if os.path.exists(full_path) and os.path.isfile(full_path): | ||
| return send_from_directory(STATIC_DIR, path) | ||
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| # 如果是 API 请求但没匹配到后端路由,由 Flask 原生逻辑处理 (通常报 404) | ||
| if path.startswith('api/'): | ||
| return {"error": "API Route Not Found"}, 404 | ||
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| # 其他所有路径 (SPA 路由) 返回 index.html | ||
| return send_from_directory(STATIC_DIR, 'index.html') | ||
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| if __name__ == '__main__': | ||
| with app.app_context(): | ||
| try: | ||
| db.create_all() | ||
| print("Database initialized.") | ||
| except: pass | ||
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| print("Server starting on port 7860...") | ||
| app.run(host='0.0.0.0', port=7860, threaded=True) | ||
| EOF |
| full_path = os.path.join(STATIC_DIR, path) | ||
| if os.path.exists(full_path) and os.path.isfile(full_path): | ||
| return send_from_directory(STATIC_DIR, path) |
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此处的 catch_all 路由存在路径遍历漏洞。os.path.join 不会阻止 path 参数中的 ../,导致 full_path 可以指向 STATIC_DIR 目录之外。虽然 send_from_directory 本身是安全的,不会返回目录之外的文件,但 os.path.exists(full_path) 的检查会泄露服务器上任意文件或目录是否存在,这属于信息泄露漏洞。
建议:
修改此逻辑,通过解析绝对路径并验证其是否在 STATIC_DIR 内来安全地检查文件。
full_path = os.path.abspath(os.path.join(STATIC_DIR, path))
if full_path.startswith(STATIC_DIR) and os.path.isfile(full_path):
return send_from_directory(STATIC_DIR, path)
| RUN pipreqs ./backend --force && \ | ||
| pip install --no-cache-dir -r ./backend/requirements.txt && \ | ||
| pip install --no-cache-dir python-pptx google-genai openai flask-sqlalchemy flask-migrate flask-cors gunicorn |
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在 Dockerfile 中动态生成 requirements.txt 并附加额外的 pip install 命令,会使依赖管理变得脆弱且难以复现。pipreqs 可能无法扫描到所有依赖(如此处手动安装 gunicorn 等库就证明了这一点),导致构建结果不稳定。
建议:
- 在
backend目录下创建一个requirements.txt文件,并手动列出所有必需的依赖项。 - 将该文件提交到版本库。
- 在 Dockerfile 中,用
COPY backend/requirements.txt .和RUN pip install -r requirements.txt来替代当前的依赖安装步骤。这能确保构建的可复现性和依赖的清晰性。
| try: | ||
| db.create_all() | ||
| print("Database initialized.") | ||
| except: pass |
单一镜像端口修改成huggingface的7860,便于直接部署