feat: 新增文件

.dockerignore

@@ -0,0 +1,8 @@
+.git
+__pycache__/
+*.pyc
+.DS_Store
+assets/audio/
+assets/mock_videos/
+final_poc.mp4
+ComfyUI/

Dockerfile

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+FROM python:3.10-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple \
+    PIP_TRUSTED_HOST=pypi.tuna.tsinghua.edu.cn \
+    NPM_CONFIG_REGISTRY=https://registry.npmmirror.com
+
+WORKDIR /app
+
+# ffmpeg is required for MoviePy (audio duration + encoding).
+RUN if [ -f /etc/apt/sources.list ]; then \
+      sed -i 's|http://deb.debian.org/debian|https://mirrors.tuna.tsinghua.edu.cn/debian|g; s|http://security.debian.org/debian-security|https://mirrors.tuna.tsinghua.edu.cn/debian-security|g' /etc/apt/sources.list; \
+    fi \
+  && if [ -f /etc/apt/sources.list.d/debian.sources ]; then \
+      sed -i 's|http://deb.debian.org/debian|https://mirrors.tuna.tsinghua.edu.cn/debian|g; s|http://security.debian.org/debian-security|https://mirrors.tuna.tsinghua.edu.cn/debian-security|g' /etc/apt/sources.list.d/debian.sources; \
+    fi \
+  && apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    fonts-dejavu-core \
+    nodejs \
+    npm \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt /app/requirements.txt
+RUN pip install -r /app/requirements.txt
+
+COPY . /app
+
+RUN cd /app/server && npm i --omit=dev
+
+EXPOSE 3000
+CMD ["node", "/app/server/index.js"]

README.md

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+# AiVideo POC
+
+## What it does
+- Input: a user creative prompt
+- Output: a 3-scene narrated video `final_poc.mp4` (mock mode supported)
+
+## Quick start (Docker)
+Build:
+
+```bash
+docker compose build
+```
+
+Run **mock pipeline** (no ComfyUI required):
+
+```bash
+docker compose run --rm aivideo python main.py --prompt "写一个温暖的城市夜景故事" --mock
+```
+
+Run with ComfyUI on host:
+- Set `app.comfy_base_url` in `configs/config.yaml` to `http://host.docker.internal:8188`
+- Ensure `workflow_api.json` exists in repo root
+
+Then:
+
+```bash
+docker compose run --rm aivideo python main.py --prompt "写一个科幻追逐镜头短片"
+```
+
+## ComfyUI connectivity check
+
+```bash
+docker compose run --rm aivideo python scripts/check_comfy.py --base-url http://host.docker.internal:8188 --pretty
+```
+
+## Node.js bridge (stream scenes to browser)
+
+Everything now runs **inside one container** (Node + Python).
+
+```bash
+docker compose up --build
+```
+
+Open `http://127.0.0.1:3000` and click “运行” to see `main.py --script-only` streaming scenes in real time.
+
+## China mirrors
+- **apt**: TUNA Debian mirrors (baked into `Dockerfile`)
+- **pip**: `PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple`
+- **npm**: `NPM_CONFIG_REGISTRY=https://registry.npmmirror.com`

configs/config.yaml

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+app:
+  # ComfyUI base url (local)
+  comfy_base_url: "http://127.0.0.1:8188"
+  # ComfyUI output directory on the same machine running this code
+  comfy_output_dir: "./ComfyUI/output"
+
+openai:
+  # Prefer environment variables in real deployments.
+  # OPENAI_API_KEY must be set; OPENAI_BASE_URL optional (for DeepSeek / other gateways).
+  api_key_env: "OPENAI_API_KEY"
+  base_url_env: "OPENAI_BASE_URL"
+  # Example: "gpt-4o-mini" / "gpt-4o" / gateway specific names
+  model: "gpt-4o-mini"
+
+script_gen:
+  # Narration length constraint per scene (Chinese chars approx)
+  narration_min_chars: 15
+  narration_max_chars: 20
+  scene_count: 3
+
+tts:
+  voice: "zh-CN-XiaoxiaoNeural"
+  rate: "+0%"
+  volume: "+0%"
+  output_dir: "./assets/audio"
+
+video:
+  # Final output path
+  final_output: "./final_poc.mp4"
+  # If ComfyUI is not ready, generate mock clips with this size & fps
+  mock_size: [1024, 576]
+  mock_fps: 24
+  transition_seconds: 0.25
+
+comfy_workflow:
+  # Workflow JSON file (exported for API usage)
+  workflow_path: "./workflow_api.json"
+
+  # --- Dynamic node-id config (preferred) ---
+  # If any of these are null/empty, we will fallback to class_type search.
+  prompt_node_id: null
+  prompt_input_key: "text"   # usually "text" in CLIPTextEncode
+
+  seed_node_id: null
+  seed_input_key: "seed"     # usually "seed" in KSampler
+
+  # Optional: some workflows also take a motion prompt. If you wire it, configure here.
+  motion_node_id: null
+  motion_input_key: "text"
+
+  # Save/Combine node (optional; output filename will be discovered from history anyway)
+  save_node_id: null
+
+  # --- Fallback rules (robust) ---
+  prompt_node_class_types:
+    - "CLIPTextEncode"
+    - "CLIPTextEncodeSDXL"
+    - "CLIPTextEncodeFlux"
+  seed_node_class_types:
+    - "KSampler"
+    - "KSamplerAdvanced"
+  save_node_class_types:
+    - "SaveVideo"
+    - "VideoCombine"
+    - "VHS_VideoCombine"

dev.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# Local dev entrypoint (all-in-one container: Node + Python).
+# Usage:
+#   ./dev.sh            # up --build (foreground)
+#   ./dev.sh up         # same as above
+#   ./dev.sh up -d      # detached
+#   ./dev.sh logs       # follow logs
+#   ./dev.sh down       # stop and remove
+#   ./dev.sh rebuild    # rebuild image
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$ROOT_DIR"
+
+CMD="${1:-up}"
+shift || true
+
+case "$CMD" in
+  up)
+    docker compose up --build "$@"
+    ;;
+  rebuild)
+    docker compose build "$@"
+    ;;
+  logs)
+    docker compose logs -f --tail=200 "$@"
+    ;;
+  down)
+    docker compose down "$@"
+    ;;
+  *)
+    echo "Unknown command: $CMD" >&2
+    echo "Usage: ./dev.sh [up|rebuild|logs|down] [args...]" >&2
+    exit 2
+    ;;
+esac
+

docker-compose.yml

@@ -0,0 +1,14 @@
+services:
+  aivideo:
+    build: .
+    working_dir: /app
+    environment:
+      - OPENAI_API_KEY=${OPENAI_API_KEY}
+      - OPENAI_BASE_URL=${OPENAI_BASE_URL}
+      - PORT=3000
+    volumes:
+      - ./:/app
+    ports:
+      - "3000:3000"
+    # On macOS, use host.docker.internal to reach host services like ComfyUI.
+    # Example: set app.comfy_base_url in configs/config.yaml to http://host.docker.internal:8188

engine/__init__.py

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+from .types import Scene
+
+__all__ = ["Scene"]

engine/audio_gen.py

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+from __future__ import annotations
+
+import asyncio
+from dataclasses import dataclass
+from pathlib import Path
+
+import edge_tts
+from moviepy.audio.io.AudioFileClip import AudioFileClip
+
+from .config import AppConfig
+
+
+@dataclass(frozen=True)
+class AudioAsset:
+    path: Path
+    duration_s: float
+
+
+def _audio_duration_seconds(path: Path) -> float:
+    # MoviePy uses ffmpeg and provides reliable duration for mp3.
+    clip = AudioFileClip(str(path))
+    try:
+        return float(clip.duration or 0.0)
+    finally:
+        clip.close()
+
+
+async def synthesize_one(text: str, out_path: Path, voice: str, rate: str, volume: str) -> AudioAsset:
+    out_path.parent.mkdir(parents=True, exist_ok=True)
+    communicate = edge_tts.Communicate(text=text, voice=voice, rate=rate, volume=volume)
+    await communicate.save(str(out_path))
+    dur = _audio_duration_seconds(out_path)
+    return AudioAsset(path=out_path, duration_s=dur)
+
+
+async def synthesize_scenes(narrations: list[str], cfg: AppConfig) -> list[AudioAsset]:
+    voice = str(cfg.get("tts.voice", "zh-CN-XiaoxiaoNeural"))
+    rate = str(cfg.get("tts.rate", "+0%"))
+    volume = str(cfg.get("tts.volume", "+0%"))
+    out_dir = Path(str(cfg.get("tts.output_dir", "./assets/audio")))
+    out_dir.mkdir(parents=True, exist_ok=True)
+
+    tasks: list[asyncio.Task[AudioAsset]] = []
+    for idx, text in enumerate(narrations, start=1):
+        out_path = out_dir / f"scene_{idx:02d}.mp3"
+        tasks.append(asyncio.create_task(synthesize_one(text, out_path, voice, rate, volume)))
+    return await asyncio.gather(*tasks)

engine/comfy_client.py

@@ -0,0 +1,188 @@
+from __future__ import annotations
+
+import asyncio
+import json
+import uuid
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any, Iterable
+
+import httpx
+
+from .config import AppConfig
+
+
+@dataclass(frozen=True)
+class ComfyResult:
+    prompt_id: str
+    output_files: list[Path]
+
+
+class ComfyClient:
+    def __init__(self, cfg: AppConfig):
+        self.cfg = cfg
+        self.base_url = str(cfg.get("app.comfy_base_url", "http://127.0.0.1:8188")).rstrip("/")
+        self.output_dir = Path(str(cfg.get("app.comfy_output_dir", "./ComfyUI/output")))
+        self.workflow_path = Path(str(cfg.get("comfy_workflow.workflow_path", "./workflow_api.json")))
+        self._client_id = str(uuid.uuid4())
+
+    def load_workflow(self) -> dict[str, Any]:
+        if not self.workflow_path.exists():
+            raise FileNotFoundError(f"workflow file not found: {self.workflow_path}")
+        raw = json.loads(self.workflow_path.read_text(encoding="utf-8"))
+        if not isinstance(raw, dict):
+            raise ValueError(f"workflow_api.json root must be dict, got {type(raw)}")
+        return raw
+
+    def _nodes(self, workflow: dict[str, Any]) -> dict[str, Any]:
+        # ComfyUI API workflow exports typically use { node_id: {class_type, inputs, ...}, ... }
+        return workflow
+
+    def _find_node_id_by_class_type(self, workflow: dict[str, Any], class_types: Iterable[str]) -> str | None:
+        want = {c.strip() for c in class_types if c and str(c).strip()}
+        if not want:
+            return None
+        for node_id, node in self._nodes(workflow).items():
+            if not isinstance(node, dict):
+                continue
+            ct = node.get("class_type")
+            if isinstance(ct, str) and ct in want:
+                return str(node_id)
+        return None
+
+    def _resolve_node_id(self, workflow: dict[str, Any], configured_id: Any, fallback_class_types_key: str) -> str:
+        if configured_id is not None and str(configured_id).strip():
+            node_id = str(configured_id).strip()
+            if node_id not in self._nodes(workflow):
+                raise KeyError(f"Configured node_id {node_id} not found in workflow")
+            return node_id
+        class_types = self.cfg.get(f"comfy_workflow.{fallback_class_types_key}", []) or []
+        if not isinstance(class_types, list):
+            raise ValueError(f"Config comfy_workflow.{fallback_class_types_key} must be list")
+        found = self._find_node_id_by_class_type(workflow, [str(x) for x in class_types])
+        if not found:
+            raise KeyError(f"Cannot resolve node by class types: {class_types}")
+        return found
+
+    def inject_params(self, workflow: dict[str, Any], image_prompt: str, seed: int, motion_prompt: str | None = None) -> dict[str, Any]:
+        wf = json.loads(json.dumps(workflow))  # deep copy
+
+        prompt_node_id = self._resolve_node_id(
+            wf,
+            self.cfg.get("comfy_workflow.prompt_node_id", None),
+            "prompt_node_class_types",
+        )
+        prompt_key = str(self.cfg.get("comfy_workflow.prompt_input_key", "text"))
+        self._set_input(wf, prompt_node_id, prompt_key, image_prompt)
+
+        seed_node_id = self._resolve_node_id(
+            wf,
+            self.cfg.get("comfy_workflow.seed_node_id", None),
+            "seed_node_class_types",
+        )
+        seed_key = str(self.cfg.get("comfy_workflow.seed_input_key", "seed"))
+        self._set_input(wf, seed_node_id, seed_key, int(seed))
+
+        motion_node_id = self.cfg.get("comfy_workflow.motion_node_id", None)
+        if motion_prompt and motion_node_id is not None and str(motion_node_id).strip():
+            motion_key = str(self.cfg.get("comfy_workflow.motion_input_key", "text"))
+            self._set_input(wf, str(motion_node_id).strip(), motion_key, motion_prompt)
+
+        return wf
+
+    def _set_input(self, workflow: dict[str, Any], node_id: str, key: str, value: Any) -> None:
+        node = self._nodes(workflow).get(str(node_id))
+        if not isinstance(node, dict):
+            raise KeyError(f"Node {node_id} not found")
+        inputs = node.get("inputs")
+        if inputs is None:
+            inputs = {}
+            node["inputs"] = inputs
+        if not isinstance(inputs, dict):
+            raise TypeError(f"Node {node_id} inputs must be dict, got {type(inputs)}")
+        inputs[key] = value
+
+    async def _post_prompt(self, client: httpx.AsyncClient, workflow: dict[str, Any]) -> str:
+        url = f"{self.base_url}/prompt"
+        payload = {"prompt": workflow, "client_id": self._client_id}
+        r = await client.post(url, json=payload)
+        r.raise_for_status()
+        data = r.json()
+        pid = data.get("prompt_id") or data.get("prompt_id".upper())
+        if not isinstance(pid, str) or not pid:
+            raise RuntimeError(f"Unexpected /prompt response: {data}")
+        return pid
+
+    async def _get_history(self, client: httpx.AsyncClient, prompt_id: str) -> dict[str, Any] | None:
+        # Common endpoints:
+        # - /history/{prompt_id}
+        # - /history (returns all histories keyed by prompt id)
+        for url in (f"{self.base_url}/history/{prompt_id}", f"{self.base_url}/history"):
+            try:
+                r = await client.get(url)
+                if r.status_code == 404:
+                    continue
+                r.raise_for_status()
+                data = r.json()
+                if isinstance(data, dict):
+                    if prompt_id in data and isinstance(data[prompt_id], dict):
+                        return data[prompt_id]
+                    if url.endswith(f"/{prompt_id}"):
+                        return data
+                return None
+            except httpx.HTTPStatusError:
+                raise
+            except Exception:
+                continue
+        return None
+
+    def _extract_output_files(self, history_item: dict[str, Any]) -> list[Path]:
+        out: list[Path] = []
+        outputs = history_item.get("outputs")
+        if not isinstance(outputs, dict):
+            return out
+
+        def walk(v: Any) -> None:
+            if isinstance(v, dict):
+                # ComfyUI tends to store files like {"filename":"x.mp4","subfolder":"","type":"output"}
+                fn = v.get("filename")
+                if isinstance(fn, str) and fn.strip():
+                    out.append(self.output_dir / fn)
+                for vv in v.values():
+                    walk(vv)
+            elif isinstance(v, list):
+                for vv in v:
+                    walk(vv)
+
+        walk(outputs)
+        # De-dup while preserving order
+        seen: set[str] = set()
+        uniq: list[Path] = []
+        for p in out:
+            s = str(p)
+            if s not in seen:
+                seen.add(s)
+                uniq.append(p)
+        return uniq
+
+    async def run_workflow(self, workflow: dict[str, Any], *, poll_interval_s: float = 1.0, timeout_s: float = 300.0) -> ComfyResult:
+        async with httpx.AsyncClient(timeout=30.0) as client:
+            prompt_id = await self._post_prompt(client, workflow)
+
+            deadline = asyncio.get_event_loop().time() + timeout_s
+            last_files: list[Path] = []
+            while True:
+                if asyncio.get_event_loop().time() > deadline:
+                    raise TimeoutError(f"ComfyUI job timeout: {prompt_id}")
+                item = await self._get_history(client, prompt_id)
+                if isinstance(item, dict):
+                    files = self._extract_output_files(item)
+                    if files:
+                        last_files = files
+                        # Heuristic: if any file exists on disk, treat as done.
+                        if any(p.exists() for p in files):
+                            return ComfyResult(prompt_id=prompt_id, output_files=files)
+                await asyncio.sleep(poll_interval_s)
+
+            # unreachable
+            # return ComfyResult(prompt_id=prompt_id, output_files=last_files)

engine/config.py

@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+
+@dataclass(frozen=True)
+class AppConfig:
+    data: dict[str, Any]
+
+    @staticmethod
+    def load(path: str | Path) -> "AppConfig":
+        p = Path(path)
+        raw = yaml.safe_load(p.read_text(encoding="utf-8")) if p.exists() else {}
+        if not isinstance(raw, dict):
+            raise ValueError(f"Config root must be a mapping, got {type(raw)}")
+        return AppConfig(raw)
+
+    def get(self, dotted: str, default: Any = None) -> Any:
+        cur: Any = self.data
+        for part in dotted.split("."):
+            if not isinstance(cur, dict) or part not in cur:
+                return default
+            cur = cur[part]
+        return cur

engine/script_gen.py

@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+import json
+import os
+from typing import Any
+
+from openai import OpenAI
+
+from .config import AppConfig
+from .types import Scene
+
+
+def _system_prompt(scene_count: int, min_chars: int, max_chars: int) -> str:
+    return f"""你是一个专业短视频编剧与分镜师。
+请把用户的创意扩展为 {scene_count} 个分镜(Scene) 的 JSON。
+
+硬性约束：
+1) 三个分镜的主角描述（Character Description）必须保持一致：姓名/外观/服饰/风格不可前后矛盾。
+2) 每个分镜必须包含字段：image_prompt, video_motion, narration。
+3) narration 为中文旁白，每段严格控制在约 {min_chars}-{max_chars} 字左右（宁可略短，不要超过太多）。
+4) 画面描述要具体可视化，video_motion 描述镜头运动/人物动作。
+5) 只输出 JSON，不要输出任何解释、markdown、代码块。
+
+输出 JSON Schema（示例结构）：
+{{
+  "character_description": "...一致的主角设定...",
+  "scenes": [
+    {{"image_prompt":"...","video_motion":"...","narration":"..."}},
+    {{"image_prompt":"...","video_motion":"...","narration":"..."}},
+    {{"image_prompt":"...","video_motion":"...","narration":"..."}}
+  ]
+}}
+"""
+
+
+def generate_scenes(user_prompt: str, cfg: AppConfig) -> list[Scene]:
+    scene_count = int(cfg.get("script_gen.scene_count", 3))
+    min_chars = int(cfg.get("script_gen.narration_min_chars", 15))
+    max_chars = int(cfg.get("script_gen.narration_max_chars", 20))
+
+    api_key_env = str(cfg.get("openai.api_key_env", "OPENAI_API_KEY"))
+    base_url_env = str(cfg.get("openai.base_url_env", "OPENAI_BASE_URL"))
+    model = str(cfg.get("openai.model", "gpt-4o-mini"))
+
+    api_key = os.environ.get(api_key_env)
+    if not api_key:
+        raise RuntimeError(f"Missing env var {api_key_env} for OpenAI API key")
+
+    client = OpenAI(
+        api_key=api_key,
+        base_url=os.environ.get(base_url_env) or None,
+    )
+
+    resp = client.chat.completions.create(
+        model=model,
+        messages=[
+            {"role": "system", "content": _system_prompt(scene_count, min_chars, max_chars)},
+            {"role": "user", "content": user_prompt},
+        ],
+        response_format={"type": "json_object"},
+        temperature=0.6,
+    )
+
+    content = resp.choices[0].message.content or "{}"
+    data: Any = json.loads(content)
+    scenes_raw = data.get("scenes")
+    if not isinstance(scenes_raw, list) or len(scenes_raw) != scene_count:
+        raise ValueError(f"Model returned invalid scenes length: {type(scenes_raw)}")
+
+    scenes: list[Scene] = []
+    for i, s in enumerate(scenes_raw):
+        if not isinstance(s, dict):
+            raise ValueError(f"Scene[{i}] must be object, got {type(s)}")
+        image_prompt = str(s.get("image_prompt", "")).strip()
+        video_motion = str(s.get("video_motion", "")).strip()
+        narration = str(s.get("narration", "")).strip()
+        if not image_prompt or not narration:
+            raise ValueError(f"Scene[{i}] missing required fields")
+        scenes.append(Scene(image_prompt=image_prompt, video_motion=video_motion, narration=narration))
+    return scenes

engine/types.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Scene:
+    image_prompt: str
+    video_motion: str
+    narration: str

engine/video_editor.py

@@ -0,0 +1,78 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+
+from moviepy import AudioFileClip, CompositeVideoClip, TextClip, VideoFileClip, concatenate_videoclips, vfx
+
+from .config import AppConfig
+
+
+@dataclass(frozen=True)
+class Segment:
+    video_path: Path
+    audio_path: Path
+    narration: str
+
+
+def _fit_video_to_audio(video: VideoFileClip, audio: AudioFileClip) -> VideoFileClip:
+    if audio.duration is None or video.duration is None:
+        return video.with_audio(audio)
+    if audio.duration > video.duration:
+        video = video.with_effects([vfx.Loop(duration=audio.duration)])
+    elif video.duration > audio.duration:
+        video = video.subclipped(0, audio.duration)
+    return video.with_audio(audio)
+
+
+def _subtitle_clip(text: str, size: tuple[int, int], duration: float) -> TextClip:
+    # MoviePy 2 uses Pillow for text rendering by default on most setups.
+    return (
+        TextClip(
+            text=text,
+            font_size=44,
+            color="white",
+            stroke_color="black",
+            stroke_width=2,
+            size=(int(size[0] * 0.92), None),
+            method="caption",
+        )
+        .with_position(("center", "bottom"))
+        .with_duration(duration)
+        .with_opacity(0.95)
+    )
+
+
+def render_final(segments: list[Segment], cfg: AppConfig, output_path: str | Path | None = None) -> Path:
+    transition_s = float(cfg.get("video.transition_seconds", 0.25))
+    out = Path(output_path or str(cfg.get("video.final_output", "./final_poc.mp4")))
+    out.parent.mkdir(parents=True, exist_ok=True)
+
+    clips = []
+    for seg in segments:
+        v = VideoFileClip(str(seg.video_path))
+        a = AudioFileClip(str(seg.audio_path))
+        v2 = _fit_video_to_audio(v, a)
+
+        w, h = v2.size
+        sub = _subtitle_clip(seg.narration, (w, h), v2.duration or a.duration or 0)
+        comp = CompositeVideoClip([v2, sub])
+        if transition_s > 0:
+            comp = comp.with_effects([vfx.FadeIn(transition_s), vfx.FadeOut(transition_s)])
+        clips.append(comp)
+
+    final = concatenate_videoclips(clips, method="compose")
+    try:
+        final.write_videofile(
+            str(out),
+            codec="libx264",
+            audio_codec="aac",
+            fps=clips[0].fps if clips and clips[0].fps else int(cfg.get("video.mock_fps", 24)),
+            threads=4,
+            preset="medium",
+        )
+    finally:
+        final.close()
+        for c in clips:
+            c.close()
+    return out

main.py

@@ -0,0 +1,161 @@
+from __future__ import annotations
+
+import argparse
+import asyncio
+import json
+import os
+import random
+from pathlib import Path
+
+from fastapi import FastAPI
+from moviepy import ImageClip
+from PIL import Image, ImageDraw, ImageFont
+
+from engine.audio_gen import synthesize_scenes
+from engine.comfy_client import ComfyClient
+from engine.config import AppConfig
+from engine.script_gen import generate_scenes
+from engine.types import Scene
+from engine.video_editor import Segment, render_final
+
+
+app = FastAPI(title="AiVideo POC")
+
+
+def _ensure_mock_image(path: Path, size: tuple[int, int]) -> Path:
+    if path.exists():
+        return path
+    path.parent.mkdir(parents=True, exist_ok=True)
+    img = Image.new("RGB", size, color=(20, 24, 33))
+    draw = ImageDraw.Draw(img)
+    text = "MOCK"
+    try:
+        font = ImageFont.load_default()
+    except Exception:
+        font = None
+    draw.text((size[0] // 2 - 30, size[1] // 2 - 10), text, fill=(240, 240, 240), font=font)
+    img.save(path)
+    return path
+
+
+def _make_mock_video(out_path: Path, image_path: Path, duration_s: float, fps: int) -> Path:
+    out_path.parent.mkdir(parents=True, exist_ok=True)
+    clip = ImageClip(str(image_path)).with_duration(max(0.5, duration_s)).with_fps(fps)
+    try:
+        clip.write_videofile(str(out_path), codec="libx264", audio=False, fps=fps, preset="veryfast")
+    finally:
+        clip.close()
+    return out_path
+
+
+def _emit(line: str) -> None:
+    print(line, flush=True)
+
+
+def _emit_scene(scene_idx: int, scene: Scene) -> None:
+    payload = {
+        "index": scene_idx,
+        "image_prompt": scene.image_prompt,
+        "video_motion": scene.video_motion,
+        "narration": scene.narration,
+    }
+    _emit("SCENE_JSON " + json.dumps(payload, ensure_ascii=False))
+
+
+def _fallback_scenes(prompt: str) -> list[Scene]:
+    return [
+        Scene(
+            image_prompt=f"{prompt}，城市夜景，霓虹灯，电影感",
+            video_motion="缓慢推进镜头，轻微摇镜",
+            narration="夜色温柔落在街灯上",
+        ),
+        Scene(
+            image_prompt=f"{prompt}，咖啡店窗边，暖光，细雨",
+            video_motion="侧向平移，人物轻轻抬头",
+            narration="雨声里藏着一段回忆",
+        ),
+        Scene(
+            image_prompt=f"{prompt}，桥上远景，车流光轨，温暖",
+            video_motion="拉远全景，光轨流动",
+            narration="我们在光里学会告别",
+        ),
+    ]
+
+
+def _should_allow_llm_without_key(cfg: AppConfig) -> bool:
+    api_key_env = str(cfg.get("openai.api_key_env", "OPENAI_API_KEY"))
+    return bool(os.environ.get(api_key_env))
+
+
+def _generate_scenes_for_run(prompt: str, cfg: AppConfig, mock: bool) -> list[Scene]:
+    if mock and not _should_allow_llm_without_key(cfg):
+        return _fallback_scenes(prompt)
+    try:
+        return generate_scenes(prompt, cfg)
+    except Exception:
+        if mock:
+            return _fallback_scenes(prompt)
+        raise
+
+
+async def run_pipeline(prompt: str, cfg: AppConfig, mock: bool) -> Path:
+    scenes = _generate_scenes_for_run(prompt, cfg, mock=mock)
+    audios = await synthesize_scenes([s.narration for s in scenes], cfg)
+
+    segments: list[Segment] = []
+    fps = int(cfg.get("video.mock_fps", 24))
+    mock_size = cfg.get("video.mock_size", [1024, 576])
+    w, h = int(mock_size[0]), int(mock_size[1])
+    mock_image = _ensure_mock_image(Path("./assets/mock.png"), (w, h))
+
+    if mock:
+        for i, (scene, audio) in enumerate(zip(scenes, audios), start=1):
+            vpath = Path("./assets/mock_videos") / f"scene_{i:02d}.mp4"
+            _make_mock_video(vpath, mock_image, audio.duration_s, fps=fps)
+            segments.append(Segment(video_path=vpath, audio_path=audio.path, narration=scene.narration))
+        return render_final(segments, cfg)
+
+    comfy = ComfyClient(cfg)
+    wf = comfy.load_workflow()
+    for i, (scene, audio) in enumerate(zip(scenes, audios), start=1):
+        seed = random.randint(1, 2_147_483_647)
+        wf_i = comfy.inject_params(wf, image_prompt=scene.image_prompt, seed=seed, motion_prompt=scene.video_motion or None)
+        result = await comfy.run_workflow(wf_i)
+        # pick first mp4-like output; if none, fall back to first file.
+        candidates = [p for p in result.output_files if p.suffix.lower() in {".mp4", ".mov", ".webm"}]
+        video_path = candidates[0] if candidates else result.output_files[0]
+        segments.append(Segment(video_path=video_path, audio_path=audio.path, narration=scene.narration))
+    return render_final(segments, cfg)
+
+
+def script_only(prompt: str, cfg: AppConfig, mock: bool) -> int:
+    scenes = _generate_scenes_for_run(prompt, cfg, mock=mock)
+    _emit("SCRIPT_BEGIN")
+    for idx, s in enumerate(scenes, start=1):
+        _emit_scene(idx, s)
+    _emit("SCRIPT_END")
+    return 0
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="AIGC auto video generation POC")
+    parser.add_argument("--prompt", required=True, help="User creative prompt")
+    parser.add_argument("--config", default="./configs/config.yaml", help="Config yaml path")
+    parser.add_argument("--mock", action="store_true", help="Mock mode (no ComfyUI needed)")
+    parser.add_argument(
+        "--script-only",
+        action="store_true",
+        help="Only generate script/scenes and print to stdout (for Node.js streaming)",
+    )
+    args = parser.parse_args()
+
+    cfg = AppConfig.load(args.config)
+    if args.script_only:
+        return script_only(args.prompt, cfg, mock=args.mock)
+    out = asyncio.run(run_pipeline(args.prompt, cfg, mock=args.mock))
+    print(str(out))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

requirements.txt

@@ -0,0 +1,10 @@
+fastapi>=0.110
+uvicorn[standard]>=0.27
+httpx>=0.26
+websockets>=12.0
+pydantic>=2.6
+PyYAML>=6.0
+openai>=1.50.0
+edge-tts>=6.1.12
+moviepy>=2.0.0
+Pillow>=10.0.0

scripts/check_comfy.py

@@ -0,0 +1,44 @@
+from __future__ import annotations
+
+import argparse
+import json
+import sys
+from typing import Any
+
+import httpx
+
+
+def fetch_object_info(base_url: str, timeout_s: float = 5.0) -> dict[str, Any]:
+    url = base_url.rstrip("/") + "/object_info"
+    with httpx.Client(timeout=timeout_s) as client:
+        r = client.get(url)
+        r.raise_for_status()
+        data = r.json()
+        if not isinstance(data, dict):
+            raise RuntimeError(f"Unexpected object_info type: {type(data)}")
+        return data
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="Check ComfyUI API connectivity")
+    parser.add_argument(
+        "--base-url",
+        default="http://127.0.0.1:8188",
+        help="ComfyUI base URL (default: http://127.0.0.1:8188)",
+    )
+    parser.add_argument("--timeout", type=float, default=5.0, help="Request timeout seconds")
+    parser.add_argument("--pretty", action="store_true", help="Pretty print JSON")
+    args = parser.parse_args()
+
+    try:
+        data = fetch_object_info(args.base_url, timeout_s=args.timeout)
+        out = json.dumps(data, ensure_ascii=False, indent=2 if args.pretty else None)
+        sys.stdout.write(out + "\n")
+        return 0
+    except Exception as e:
+        sys.stderr.write(f"[check_comfy] ERROR: {e}\n")
+        return 2
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

scripts/dev_container.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+echo "[dev] build + start container (Node+Python unified)..."
+docker compose up --build
+

scripts/dev_local.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Local development helper (Docker-first).
+# - mock mode: no ComfyUI / no OpenAI key required (uses fallback scenes)
+# - comfy mode: assumes ComfyUI is running on host at :8188
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+MODE="${1:-mock}"         # mock | comfy
+PROMPT="${2:-写一个温暖的城市夜景故事}"
+
+CONFIG_PATH="${CONFIG_PATH:-./configs/config.yaml}"
+
+echo "[dev] building image..."
+docker compose build
+
+if [[ "$MODE" == "mock" ]]; then
+  echo "[dev] run mock pipeline..."
+  docker compose run --rm \
+    -e OPENAI_API_KEY="${OPENAI_API_KEY:-}" \
+    -e OPENAI_BASE_URL="${OPENAI_BASE_URL:-}" \
+    aivideo \
+    python main.py --config "$CONFIG_PATH" --prompt "$PROMPT" --mock
+  echo "[dev] done. output: ./final_poc.mp4"
+  exit 0
+fi
+
+if [[ "$MODE" == "comfy" ]]; then
+  echo "[dev] checking ComfyUI connectivity (host.docker.internal)..."
+  docker compose run --rm aivideo python scripts/check_comfy.py --base-url http://host.docker.internal:8188 >/dev/null
+  echo "[dev] run comfy pipeline..."
+  echo "[dev] NOTE: set app.comfy_base_url=http://host.docker.internal:8188 in configs/config.yaml"
+  docker compose run --rm \
+    -e OPENAI_API_KEY="${OPENAI_API_KEY:-}" \
+    -e OPENAI_BASE_URL="${OPENAI_BASE_URL:-}" \
+    aivideo \
+    python main.py --config "$CONFIG_PATH" --prompt "$PROMPT"
+  echo "[dev] done. output: ./final_poc.mp4"
+  exit 0
+fi
+
+echo "[dev] unknown mode: $MODE (use: mock | comfy)" >&2
+exit 2
+

server/README.md

@@ -0,0 +1,22 @@
+# Node.js bridge (POC)
+
+## Install
+
+```bash
+cd server
+npm i
+```
+
+## Run
+
+```bash
+npm run dev
+```
+
+Open `http://127.0.0.1:3000` and type a prompt.
+
+## Notes
+- Node calls `../main.py --script-only` via `child_process.spawn` (same container).
+- Python prints `SCENE_JSON { ... }` per scene with `flush=True` so Node can stream.
+- Recommended: run via `docker compose up --build` from repo root for unified in-container execution.
+

server/index.js

@@ -0,0 +1,92 @@
+import express from "express";
+import { spawn } from "node:child_process";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const repoRoot = path.resolve(__dirname, "..");
+
+const app = express();
+app.use(express.static(path.join(__dirname, "public")));
+
+function sseHeaders(res) {
+  res.setHeader("Content-Type", "text/event-stream; charset=utf-8");
+  res.setHeader("Cache-Control", "no-cache, no-transform");
+  res.setHeader("Connection", "keep-alive");
+  // Nginx proxies may buffer unless disabled; harmless in dev.
+  res.setHeader("X-Accel-Buffering", "no");
+}
+
+function sseSend(res, event, data) {
+  if (event) res.write(`event: ${event}\n`);
+  const lines = String(data).split(/\r?\n/);
+  for (const line of lines) res.write(`data: ${line}\n`);
+  res.write("\n");
+}
+
+app.get("/api/run", (req, res) => {
+  const prompt = String(req.query.prompt || "").trim();
+  const mock = String(req.query.mock || "1") === "1";
+  const configPath = String(req.query.config || "./configs/config.yaml");
+
+  if (!prompt) {
+    res.status(400).json({ error: "missing prompt" });
+    return;
+  }
+
+  sseHeaders(res);
+  sseSend(res, "status", "starting");
+
+  // Unified in-container execution: Node spawns python directly.
+  const py = process.env.PYTHON_BIN || "python";
+  const args = [
+    path.join(repoRoot, "main.py"),
+    "--prompt",
+    prompt,
+    "--config",
+    configPath,
+    "--script-only",
+  ];
+  if (mock) args.push("--mock");
+
+  const child = spawn(py, args, {
+    cwd: repoRoot,
+    env: process.env,
+    stdio: ["ignore", "pipe", "pipe"],
+  });
+
+  let buf = "";
+  child.stdout.setEncoding("utf8");
+  child.stdout.on("data", (chunk) => {
+    buf += chunk;
+    const parts = buf.split(/\r?\n/);
+    buf = parts.pop() || "";
+    for (const line of parts) {
+      if (!line) continue;
+      // Forward raw lines. Frontend will parse SCENE_JSON.
+      sseSend(res, "line", line);
+    }
+  });
+
+  child.stderr.setEncoding("utf8");
+  child.stderr.on("data", (chunk) => {
+    sseSend(res, "stderr", chunk);
+  });
+
+  req.on("close", () => {
+    child.kill("SIGTERM");
+  });
+
+  child.on("exit", (code) => {
+    if (buf.trim()) sseSend(res, "line", buf.trim());
+    sseSend(res, "done", String(code ?? 0));
+    res.end();
+  });
+});
+
+const port = Number(process.env.PORT || 3000);
+app.listen(port, () => {
+  console.log(`[server] http://127.0.0.1:${port}`);
+});
+

server/node_modules/.bin/mime

@@ -0,0 +1 @@
+../mime/cli.js

server/node_modules/.package-lock.json

@@ -0,0 +1,820 @@
+{
+  "name": "aivideo-server",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
+      "license": "MIT"
+    },
+    "node_modules/body-parser": {
+      "version": "1.20.4",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.4.tgz",
+      "integrity": "sha512-ZTgYYLMOXY9qKU/57FAo8F+HA2dGX7bqGc71txDRC1rS4frdFI5R7NhluHxH6M0YItAP0sHB4uqAOcYKxO6uGA==",
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "~3.1.2",
+        "content-type": "~1.0.5",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "~1.2.0",
+        "http-errors": "~2.0.1",
+        "iconv-lite": "~0.4.24",
+        "on-finished": "~2.4.1",
+        "qs": "~6.14.0",
+        "raw-body": "~2.5.3",
+        "type-is": "~1.6.18",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
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+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
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+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+      "engines": {
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+      "license": "MIT",
+      "engines": {
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+      }
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+    },
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+      "dependencies": {
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+      }
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+  }
+}

server/node_modules/accepts/HISTORY.md

@@ -0,0 +1,243 @@
+1.3.8 / 2022-02-02
+==================
+
+  * deps: mime-types@~2.1.34
+    - deps: mime-db@~1.51.0
+  * deps: negotiator@0.6.3
+
+1.3.7 / 2019-04-29
+==================
+
+  * deps: negotiator@0.6.2
+    - Fix sorting charset, encoding, and language with extra parameters
+
+1.3.6 / 2019-04-28
+==================
+
+  * deps: mime-types@~2.1.24
+    - deps: mime-db@~1.40.0
+
+1.3.5 / 2018-02-28
+==================
+
+  * deps: mime-types@~2.1.18
+    - deps: mime-db@~1.33.0
+
+1.3.4 / 2017-08-22
+==================
+
+  * deps: mime-types@~2.1.16
+    - deps: mime-db@~1.29.0
+
+1.3.3 / 2016-05-02
+==================
+
+  * deps: mime-types@~2.1.11
+    - deps: mime-db@~1.23.0
+  * deps: negotiator@0.6.1
+    - perf: improve `Accept` parsing speed
+    - perf: improve `Accept-Charset` parsing speed
+    - perf: improve `Accept-Encoding` parsing speed
+    - perf: improve `Accept-Language` parsing speed
+
+1.3.2 / 2016-03-08
+==================
+
+  * deps: mime-types@~2.1.10
+    - Fix extension of `application/dash+xml`
+    - Update primary extension for `audio/mp4`
+    - deps: mime-db@~1.22.0
+
+1.3.1 / 2016-01-19
+==================
+
+  * deps: mime-types@~2.1.9
+    - deps: mime-db@~1.21.0
+
+1.3.0 / 2015-09-29
+==================
+
+  * deps: mime-types@~2.1.7
+    - deps: mime-db@~1.19.0
+  * deps: negotiator@0.6.0
+    - Fix including type extensions in parameters in `Accept` parsing
+    - Fix parsing `Accept` parameters with quoted equals
+    - Fix parsing `Accept` parameters with quoted semicolons
+    - Lazy-load modules from main entry point
+    - perf: delay type concatenation until needed
+    - perf: enable strict mode
+    - perf: hoist regular expressions
+    - perf: remove closures getting spec properties
+    - perf: remove a closure from media type parsing
+    - perf: remove property delete from media type parsing
+
+1.2.13 / 2015-09-06
+===================
+
+  * deps: mime-types@~2.1.6
+    - deps: mime-db@~1.18.0
+
+1.2.12 / 2015-07-30
+===================
+
+  * deps: mime-types@~2.1.4
+    - deps: mime-db@~1.16.0
+
+1.2.11 / 2015-07-16
+===================
+
+  * deps: mime-types@~2.1.3
+    - deps: mime-db@~1.15.0
+
+1.2.10 / 2015-07-01
+===================
+
+  * deps: mime-types@~2.1.2
+    - deps: mime-db@~1.14.0
+
+1.2.9 / 2015-06-08
+==================
+
+  * deps: mime-types@~2.1.1
+    - perf: fix deopt during mapping
+
+1.2.8 / 2015-06-07
+==================
+
+  * deps: mime-types@~2.1.0
+    - deps: mime-db@~1.13.0
+  * perf: avoid argument reassignment & argument slice
+  * perf: avoid negotiator recursive construction
+  * perf: enable strict mode
+  * perf: remove unnecessary bitwise operator
+
+1.2.7 / 2015-05-10
+==================
+
+  * deps: negotiator@0.5.3
+    - Fix media type parameter matching to be case-insensitive
+
+1.2.6 / 2015-05-07
+==================
+
+  * deps: mime-types@~2.0.11
+    - deps: mime-db@~1.9.1
+  * deps: negotiator@0.5.2
+    - Fix comparing media types with quoted values
+    - Fix splitting media types with quoted commas
+
+1.2.5 / 2015-03-13
+==================
+
+  * deps: mime-types@~2.0.10
+    - deps: mime-db@~1.8.0
+
+1.2.4 / 2015-02-14
+==================
+
+  * Support Node.js 0.6
+  * deps: mime-types@~2.0.9
+    - deps: mime-db@~1.7.0
+  * deps: negotiator@0.5.1
+    - Fix preference sorting to be stable for long acceptable lists
+
+1.2.3 / 2015-01-31
+==================
+
+  * deps: mime-types@~2.0.8
+    - deps: mime-db@~1.6.0
+
+1.2.2 / 2014-12-30
+==================
+
+  * deps: mime-types@~2.0.7
+    - deps: mime-db@~1.5.0
+
+1.2.1 / 2014-12-30
+==================
+
+  * deps: mime-types@~2.0.5
+    - deps: mime-db@~1.3.1
+
+1.2.0 / 2014-12-19
+==================
+
+  * deps: negotiator@0.5.0
+    - Fix list return order when large accepted list
+    - Fix missing identity encoding when q=0 exists
+    - Remove dynamic building of Negotiator class
+
+1.1.4 / 2014-12-10
+==================
+
+  * deps: mime-types@~2.0.4
+    - deps: mime-db@~1.3.0
+
+1.1.3 / 2014-11-09
+==================
+
+  * deps: mime-types@~2.0.3
+    - deps: mime-db@~1.2.0
+
+1.1.2 / 2014-10-14
+==================
+
+  * deps: negotiator@0.4.9
+    - Fix error when media type has invalid parameter
+
+1.1.1 / 2014-09-28
+==================
+
+  * deps: mime-types@~2.0.2
+    - deps: mime-db@~1.1.0
+  * deps: negotiator@0.4.8
+    - Fix all negotiations to be case-insensitive
+    - Stable sort preferences of same quality according to client order
+
+1.1.0 / 2014-09-02
+==================
+
+  * update `mime-types`
+
+1.0.7 / 2014-07-04
+==================
+
+  * Fix wrong type returned from `type` when match after unknown extension
+
+1.0.6 / 2014-06-24
+==================
+
+  * deps: negotiator@0.4.7
+
+1.0.5 / 2014-06-20
+==================
+
+ * fix crash when unknown extension given
+
+1.0.4 / 2014-06-19
+==================
+
+  * use `mime-types`
+
+1.0.3 / 2014-06-11
+==================
+
+  * deps: negotiator@0.4.6
+    - Order by specificity when quality is the same
+
+1.0.2 / 2014-05-29
+==================
+
+  * Fix interpretation when header not in request
+  * deps: pin negotiator@0.4.5
+
+1.0.1 / 2014-01-18
+==================
+
+  * Identity encoding isn't always acceptable
+  * deps: negotiator@~0.4.0
+
+1.0.0 / 2013-12-27
+==================
+
+  * Genesis

server/node_modules/accepts/LICENSE

@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

server/node_modules/accepts/README.md

@@ -0,0 +1,140 @@
+# accepts
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Higher level content negotiation based on [negotiator](https://www.npmjs.com/package/negotiator).
+Extracted from [koa](https://www.npmjs.com/package/koa) for general use.
+
+In addition to negotiator, it allows:
+
+- Allows types as an array or arguments list, ie `(['text/html', 'application/json'])`
+  as well as `('text/html', 'application/json')`.
+- Allows type shorthands such as `json`.
+- Returns `false` when no types match
+- Treats non-existent headers as `*`
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install accepts
+```
+
+## API
+
+```js
+var accepts = require('accepts')
+```
+
+### accepts(req)
+
+Create a new `Accepts` object for the given `req`.
+
+#### .charset(charsets)
+
+Return the first accepted charset. If nothing in `charsets` is accepted,
+then `false` is returned.
+
+#### .charsets()
+
+Return the charsets that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .encoding(encodings)
+
+Return the first accepted encoding. If nothing in `encodings` is accepted,
+then `false` is returned.
+
+#### .encodings()
+
+Return the encodings that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .language(languages)
+
+Return the first accepted language. If nothing in `languages` is accepted,
+then `false` is returned.
+
+#### .languages()
+
+Return the languages that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .type(types)
+
+Return the first accepted type (and it is returned as the same text as what
+appears in the `types` array). If nothing in `types` is accepted, then `false`
+is returned.
+
+The `types` array can contain full MIME types or file extensions. Any value
+that is not a full MIME types is passed to `require('mime-types').lookup`.
+
+#### .types()
+
+Return the types that the request accepts, in the order of the client's
+preference (most preferred first).
+
+## Examples
+
+### Simple type negotiation
+
+This simple example shows how to use `accepts` to return a different typed
+respond body based on what the client wants to accept. The server lists it's
+preferences in order and will get back the best match between the client and
+server.
+
+```js
+var accepts = require('accepts')
+var http = require('http')
+
+function app (req, res) {
+  var accept = accepts(req)
+
+  // the order of this list is significant; should be server preferred order
+  switch (accept.type(['json', 'html'])) {
+    case 'json':
+      res.setHeader('Content-Type', 'application/json')
+      res.write('{"hello":"world!"}')
+      break
+    case 'html':
+      res.setHeader('Content-Type', 'text/html')
+      res.write('<b>hello, world!</b>')
+      break
+    default:
+      // the fallback is text/plain, so no need to specify it above
+      res.setHeader('Content-Type', 'text/plain')
+      res.write('hello, world!')
+      break
+  }
+
+  res.end()
+}
+
+http.createServer(app).listen(3000)
+```
+
+You can test this out with the cURL program:
+```sh
+curl -I -H'Accept: text/html' http://localhost:3000/
+```
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/accepts/master
+[coveralls-url]: https://coveralls.io/r/jshttp/accepts?branch=master
+[github-actions-ci-image]: https://badgen.net/github/checks/jshttp/accepts/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/accepts/actions/workflows/ci.yml
+[node-version-image]: https://badgen.net/npm/node/accepts
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/accepts
+[npm-url]: https://npmjs.org/package/accepts
+[npm-version-image]: https://badgen.net/npm/v/accepts

server/node_modules/accepts/index.js

@@ -0,0 +1,238 @@
+/*!
+ * accepts
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var Negotiator = require('negotiator')
+var mime = require('mime-types')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Accepts
+
+/**
+ * Create a new Accepts object for the given req.
+ *
+ * @param {object} req
+ * @public
+ */
+
+function Accepts (req) {
+  if (!(this instanceof Accepts)) {
+    return new Accepts(req)
+  }
+
+  this.headers = req.headers
+  this.negotiator = new Negotiator(req)
+}
+
+/**
+ * Check if the given `type(s)` is acceptable, returning
+ * the best match when true, otherwise `undefined`, in which
+ * case you should respond with 406 "Not Acceptable".
+ *
+ * The `type` value may be a single mime type string
+ * such as "application/json", the extension name
+ * such as "json" or an array `["json", "html", "text/plain"]`. When a list
+ * or array is given the _best_ match, if any is returned.
+ *
+ * Examples:
+ *
+ *     // Accept: text/html
+ *     this.types('html');
+ *     // => "html"
+ *
+ *     // Accept: text/*, application/json
+ *     this.types('html');
+ *     // => "html"
+ *     this.types('text/html');
+ *     // => "text/html"
+ *     this.types('json', 'text');
+ *     // => "json"
+ *     this.types('application/json');
+ *     // => "application/json"
+ *
+ *     // Accept: text/*, application/json
+ *     this.types('image/png');
+ *     this.types('png');
+ *     // => undefined
+ *
+ *     // Accept: text/*;q=.5, application/json
+ *     this.types(['html', 'json']);
+ *     this.types('html', 'json');
+ *     // => "json"
+ *
+ * @param {String|Array} types...
+ * @return {String|Array|Boolean}
+ * @public
+ */
+
+Accepts.prototype.type =
+Accepts.prototype.types = function (types_) {
+  var types = types_
+
+  // support flattened arguments
+  if (types && !Array.isArray(types)) {
+    types = new Array(arguments.length)
+    for (var i = 0; i < types.length; i++) {
+      types[i] = arguments[i]
+    }
+  }
+
+  // no types, return all requested types
+  if (!types || types.length === 0) {
+    return this.negotiator.mediaTypes()
+  }
+
+  // no accept header, return first given type
+  if (!this.headers.accept) {
+    return types[0]
+  }
+
+  var mimes = types.map(extToMime)
+  var accepts = this.negotiator.mediaTypes(mimes.filter(validMime))
+  var first = accepts[0]
+
+  return first
+    ? types[mimes.indexOf(first)]
+    : false
+}
+
+/**
+ * Return accepted encodings or best fit based on `encodings`.
+ *
+ * Given `Accept-Encoding: gzip, deflate`
+ * an array sorted by quality is returned:
+ *
+ *     ['gzip', 'deflate']
+ *
+ * @param {String|Array} encodings...
+ * @return {String|Array}
+ * @public
+ */
+
+Accepts.prototype.encoding =
+Accepts.prototype.encodings = function (encodings_) {
+  var encodings = encodings_
+
+  // support flattened arguments
+  if (encodings && !Array.isArray(encodings)) {
+    encodings = new Array(arguments.length)
+    for (var i = 0; i < encodings.length; i++) {
+      encodings[i] = arguments[i]
+    }
+  }
+
+  // no encodings, return all requested encodings
+  if (!encodings || encodings.length === 0) {
+    return this.negotiator.encodings()
+  }
+
+  return this.negotiator.encodings(encodings)[0] || false
+}
+
+/**
+ * Return accepted charsets or best fit based on `charsets`.
+ *
+ * Given `Accept-Charset: utf-8, iso-8859-1;q=0.2, utf-7;q=0.5`
+ * an array sorted by quality is returned:
+ *
+ *     ['utf-8', 'utf-7', 'iso-8859-1']
+ *
+ * @param {String|Array} charsets...
+ * @return {String|Array}
+ * @public
+ */
+
+Accepts.prototype.charset =
+Accepts.prototype.charsets = function (charsets_) {
+  var charsets = charsets_
+
+  // support flattened arguments
+  if (charsets && !Array.isArray(charsets)) {
+    charsets = new Array(arguments.length)
+    for (var i = 0; i < charsets.length; i++) {
+      charsets[i] = arguments[i]
+    }
+  }
+
+  // no charsets, return all requested charsets
+  if (!charsets || charsets.length === 0) {
+    return this.negotiator.charsets()
+  }
+
+  return this.negotiator.charsets(charsets)[0] || false
+}
+
+/**
+ * Return accepted languages or best fit based on `langs`.
+ *
+ * Given `Accept-Language: en;q=0.8, es, pt`
+ * an array sorted by quality is returned:
+ *
+ *     ['es', 'pt', 'en']
+ *
+ * @param {String|Array} langs...
+ * @return {Array|String}
+ * @public
+ */
+
+Accepts.prototype.lang =
+Accepts.prototype.langs =
+Accepts.prototype.language =
+Accepts.prototype.languages = function (languages_) {
+  var languages = languages_
+
+  // support flattened arguments
+  if (languages && !Array.isArray(languages)) {
+    languages = new Array(arguments.length)
+    for (var i = 0; i < languages.length; i++) {
+      languages[i] = arguments[i]
+    }
+  }
+
+  // no languages, return all requested languages
+  if (!languages || languages.length === 0) {
+    return this.negotiator.languages()
+  }
+
+  return this.negotiator.languages(languages)[0] || false
+}
+
+/**
+ * Convert extnames to mime.
+ *
+ * @param {String} type
+ * @return {String}
+ * @private
+ */
+
+function extToMime (type) {
+  return type.indexOf('/') === -1
+    ? mime.lookup(type)
+    : type
+}
+
+/**
+ * Check if mime is valid.
+ *
+ * @param {String} type
+ * @return {String}
+ * @private
+ */
+
+function validMime (type) {
+  return typeof type === 'string'
+}

server/node_modules/accepts/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "accepts",
+  "description": "Higher-level content negotiation",
+  "version": "1.3.8",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/accepts",
+  "dependencies": {
+    "mime-types": "~2.1.34",
+    "negotiator": "0.6.3"
+  },
+  "devDependencies": {
+    "deep-equal": "1.0.1",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.0",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  },
+  "keywords": [
+    "content",
+    "negotiation",
+    "accept",
+    "accepts"
+  ]
+}

server/node_modules/array-flatten/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

server/node_modules/array-flatten/README.md

@@ -0,0 +1,43 @@
+# Array Flatten
+
+[![NPM version][npm-image]][npm-url]
+[![NPM downloads][downloads-image]][downloads-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+
+> Flatten an array of nested arrays into a single flat array. Accepts an optional depth.
+
+## Installation
+
+```
+npm install array-flatten --save
+```
+
+## Usage
+
+```javascript
+var flatten = require('array-flatten')
+
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
+//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
+//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
+
+(function () {
+  flatten(arguments) //=> [1, 2, 3]
+})(1, [2, 3])
+```
+
+## License
+
+MIT
+
+[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
+[npm-url]: https://npmjs.org/package/array-flatten
+[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat
+[downloads-url]: https://npmjs.org/package/array-flatten
+[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
+[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
+[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master

server/node_modules/array-flatten/array-flatten.js

@@ -0,0 +1,64 @@
+'use strict'
+
+/**
+ * Expose `arrayFlatten`.
+ */
+module.exports = arrayFlatten
+
+/**
+ * Recursive flatten function with depth.
+ *
+ * @param  {Array}  array
+ * @param  {Array}  result
+ * @param  {Number} depth
+ * @return {Array}
+ */
+function flattenWithDepth (array, result, depth) {
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (depth > 0 && Array.isArray(value)) {
+      flattenWithDepth(value, result, depth - 1)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}
+
+/**
+ * Recursive flatten function. Omitting depth is slightly faster.
+ *
+ * @param  {Array} array
+ * @param  {Array} result
+ * @return {Array}
+ */
+function flattenForever (array, result) {
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (Array.isArray(value)) {
+      flattenForever(value, result)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}
+
+/**
+ * Flatten an array, with the ability to define a depth.
+ *
+ * @param  {Array}  array
+ * @param  {Number} depth
+ * @return {Array}
+ */
+function arrayFlatten (array, depth) {
+  if (depth == null) {
+    return flattenForever(array, [])
+  }
+
+  return flattenWithDepth(array, [], depth)
+}

server/node_modules/array-flatten/package.json

@@ -0,0 +1,39 @@
+{
+  "name": "array-flatten",
+  "version": "1.1.1",
+  "description": "Flatten an array of nested arrays into a single flat array",
+  "main": "array-flatten.js",
+  "files": [
+    "array-flatten.js",
+    "LICENSE"
+  ],
+  "scripts": {
+    "test": "istanbul cover _mocha -- -R spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/blakeembrey/array-flatten.git"
+  },
+  "keywords": [
+    "array",
+    "flatten",
+    "arguments",
+    "depth"
+  ],
+  "author": {
+    "name": "Blake Embrey",
+    "email": "hello@blakeembrey.com",
+    "url": "http://blakeembrey.me"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/blakeembrey/array-flatten/issues"
+  },
+  "homepage": "https://github.com/blakeembrey/array-flatten",
+  "devDependencies": {
+    "istanbul": "^0.3.13",
+    "mocha": "^2.2.4",
+    "pre-commit": "^1.0.7",
+    "standard": "^3.7.3"
+  }
+}

server/node_modules/body-parser/HISTORY.md

@@ -0,0 +1,680 @@
+1.20.4 / 2025-12-01
+===================
+
+  * deps: qs@~6.14.0
+  * deps: use tilde notation for dependencies
+  * deps: http-errors@~2.0.1
+  * deps: raw-body@~2.5.3
+
+1.20.3 / 2024-09-10
+===================
+
+  * deps: qs@6.13.0
+  * add `depth` option to customize the depth level in the parser
+  * IMPORTANT: The default `depth` level for parsing URL-encoded data is now `32` (previously was `Infinity`)
+
+1.20.2 / 2023-02-21
+===================
+
+  * Fix strict json error message on Node.js 19+
+  * deps: content-type@~1.0.5
+    - perf: skip value escaping when unnecessary
+  * deps: raw-body@2.5.2
+
+1.20.1 / 2022-10-06
+===================
+
+  * deps: qs@6.11.0
+  * perf: remove unnecessary object clone
+
+1.20.0 / 2022-04-02
+===================
+
+  * Fix error message for json parse whitespace in `strict`
+  * Fix internal error when inflated body exceeds limit
+  * Prevent loss of async hooks context
+  * Prevent hanging when request already read
+  * deps: depd@2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: http-errors@2.0.0
+    - deps: depd@2.0.0
+    - deps: statuses@2.0.1
+  * deps: on-finished@2.4.1
+  * deps: qs@6.10.3
+  * deps: raw-body@2.5.1
+    - deps: http-errors@2.0.0
+
+1.19.2 / 2022-02-15
+===================
+
+  * deps: bytes@3.1.2
+  * deps: qs@6.9.7
+    * Fix handling of `__proto__` keys
+  * deps: raw-body@2.4.3
+    - deps: bytes@3.1.2
+
+1.19.1 / 2021-12-10
+===================
+
+  * deps: bytes@3.1.1
+  * deps: http-errors@1.8.1
+    - deps: inherits@2.0.4
+    - deps: toidentifier@1.0.1
+    - deps: setprototypeof@1.2.0
+  * deps: qs@6.9.6
+  * deps: raw-body@2.4.2
+    - deps: bytes@3.1.1
+    - deps: http-errors@1.8.1
+  * deps: safe-buffer@5.2.1
+  * deps: type-is@~1.6.18
+
+1.19.0 / 2019-04-25
+===================
+
+  * deps: bytes@3.1.0
+    - Add petabyte (`pb`) support
+  * deps: http-errors@1.7.2
+    - Set constructor name when possible
+    - deps: setprototypeof@1.1.1
+    - deps: statuses@'>= 1.5.0 < 2'
+  * deps: iconv-lite@0.4.24
+    - Added encoding MIK
+  * deps: qs@6.7.0
+    - Fix parsing array brackets after index
+  * deps: raw-body@2.4.0
+    - deps: bytes@3.1.0
+    - deps: http-errors@1.7.2
+    - deps: iconv-lite@0.4.24
+  * deps: type-is@~1.6.17
+    - deps: mime-types@~2.1.24
+    - perf: prevent internal `throw` on invalid type
+
+1.18.3 / 2018-05-14
+===================
+
+  * Fix stack trace for strict json parse error
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: http-errors@~1.6.3
+    - deps: depd@~1.1.2
+    - deps: setprototypeof@1.1.0
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: iconv-lite@0.4.23
+    - Fix loading encoding with year appended
+    - Fix deprecation warnings on Node.js 10+
+  * deps: qs@6.5.2
+  * deps: raw-body@2.3.3
+    - deps: http-errors@1.6.3
+    - deps: iconv-lite@0.4.23
+  * deps: type-is@~1.6.16
+    - deps: mime-types@~2.1.18
+
+1.18.2 / 2017-09-22
+===================
+
+  * deps: debug@2.6.9
+  * perf: remove argument reassignment
+
+1.18.1 / 2017-09-12
+===================
+
+  * deps: content-type@~1.0.4
+    - perf: remove argument reassignment
+    - perf: skip parameter parsing when no parameters
+  * deps: iconv-lite@0.4.19
+    - Fix ISO-8859-1 regression
+    - Update Windows-1255
+  * deps: qs@6.5.1
+    - Fix parsing & compacting very deep objects
+  * deps: raw-body@2.3.2
+    - deps: iconv-lite@0.4.19
+
+1.18.0 / 2017-09-08
+===================
+
+  * Fix JSON strict violation error to match native parse error
+  * Include the `body` property on verify errors
+  * Include the `type` property on all generated errors
+  * Use `http-errors` to set status code on errors
+  * deps: bytes@3.0.0
+  * deps: debug@2.6.8
+  * deps: depd@~1.1.1
+    - Remove unnecessary `Buffer` loading
+  * deps: http-errors@~1.6.2
+    - deps: depd@1.1.1
+  * deps: iconv-lite@0.4.18
+    - Add support for React Native
+    - Add a warning if not loaded as utf-8
+    - Fix CESU-8 decoding in Node.js 8
+    - Improve speed of ISO-8859-1 encoding
+  * deps: qs@6.5.0
+  * deps: raw-body@2.3.1
+    - Use `http-errors` for standard emitted errors
+    - deps: bytes@3.0.0
+    - deps: iconv-lite@0.4.18
+    - perf: skip buffer decoding on overage chunk
+  * perf: prevent internal `throw` when missing charset
+
+1.17.2 / 2017-05-17
+===================
+
+  * deps: debug@2.6.7
+    - Fix `DEBUG_MAX_ARRAY_LENGTH`
+    - deps: ms@2.0.0
+  * deps: type-is@~1.6.15
+    - deps: mime-types@~2.1.15
+
+1.17.1 / 2017-03-06
+===================
+
+  * deps: qs@6.4.0
+    - Fix regression parsing keys starting with `[`
+
+1.17.0 / 2017-03-01
+===================
+
+  * deps: http-errors@~1.6.1
+    - Make `message` property enumerable for `HttpError`s
+    - deps: setprototypeof@1.0.3
+  * deps: qs@6.3.1
+    - Fix compacting nested arrays
+
+1.16.1 / 2017-02-10
+===================
+
+  * deps: debug@2.6.1
+    - Fix deprecation messages in WebStorm and other editors
+    - Undeprecate `DEBUG_FD` set to `1` or `2`
+
+1.16.0 / 2017-01-17
+===================
+
+  * deps: debug@2.6.0
+    - Allow colors in workers
+    - Deprecated `DEBUG_FD` environment variable
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@0.7.2
+  * deps: http-errors@~1.5.1
+    - deps: inherits@2.0.3
+    - deps: setprototypeof@1.0.2
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: iconv-lite@0.4.15
+    - Added encoding MS-31J
+    - Added encoding MS-932
+    - Added encoding MS-936
+    - Added encoding MS-949
+    - Added encoding MS-950
+    - Fix GBK/GB18030 handling of Euro character
+  * deps: qs@6.2.1
+    - Fix array parsing from skipping empty values
+  * deps: raw-body@~2.2.0
+    - deps: iconv-lite@0.4.15
+  * deps: type-is@~1.6.14
+    - deps: mime-types@~2.1.13
+
+1.15.2 / 2016-06-19
+===================
+
+  * deps: bytes@2.4.0
+  * deps: content-type@~1.0.2
+    - perf: enable strict mode
+  * deps: http-errors@~1.5.0
+    - Use `setprototypeof` module to replace `__proto__` setting
+    - deps: statuses@'>= 1.3.0 < 2'
+    - perf: enable strict mode
+  * deps: qs@6.2.0
+  * deps: raw-body@~2.1.7
+    - deps: bytes@2.4.0
+    - perf: remove double-cleanup on happy path
+  * deps: type-is@~1.6.13
+    - deps: mime-types@~2.1.11
+
+1.15.1 / 2016-05-05
+===================
+
+  * deps: bytes@2.3.0
+    - Drop partial bytes on all parsed units
+    - Fix parsing byte string that looks like hex
+  * deps: raw-body@~2.1.6
+    - deps: bytes@2.3.0
+  * deps: type-is@~1.6.12
+    - deps: mime-types@~2.1.10
+
+1.15.0 / 2016-02-10
+===================
+
+  * deps: http-errors@~1.4.0
+    - Add `HttpError` export, for `err instanceof createError.HttpError`
+    - deps: inherits@2.0.1
+    - deps: statuses@'>= 1.2.1 < 2'
+  * deps: qs@6.1.0
+  * deps: type-is@~1.6.11
+    - deps: mime-types@~2.1.9
+
+1.14.2 / 2015-12-16
+===================
+
+  * deps: bytes@2.2.0
+  * deps: iconv-lite@0.4.13
+  * deps: qs@5.2.0
+  * deps: raw-body@~2.1.5
+    - deps: bytes@2.2.0
+    - deps: iconv-lite@0.4.13
+  * deps: type-is@~1.6.10
+    - deps: mime-types@~2.1.8
+
+1.14.1 / 2015-09-27
+===================
+
+  * Fix issue where invalid charset results in 400 when `verify` used
+  * deps: iconv-lite@0.4.12
+    - Fix CESU-8 decoding in Node.js 4.x
+  * deps: raw-body@~2.1.4
+    - Fix masking critical errors from `iconv-lite`
+    - deps: iconv-lite@0.4.12
+  * deps: type-is@~1.6.9
+    - deps: mime-types@~2.1.7
+
+1.14.0 / 2015-09-16
+===================
+
+  * Fix JSON strict parse error to match syntax errors
+  * Provide static `require` analysis in `urlencoded` parser
+  * deps: depd@~1.1.0
+    - Support web browser loading
+  * deps: qs@5.1.0
+  * deps: raw-body@~2.1.3
+    - Fix sync callback when attaching data listener causes sync read
+  * deps: type-is@~1.6.8
+    - Fix type error when given invalid type to match against
+    - deps: mime-types@~2.1.6
+
+1.13.3 / 2015-07-31
+===================
+
+  * deps: type-is@~1.6.6
+    - deps: mime-types@~2.1.4
+
+1.13.2 / 2015-07-05
+===================
+
+  * deps: iconv-lite@0.4.11
+  * deps: qs@4.0.0
+    - Fix dropping parameters like `hasOwnProperty`
+    - Fix user-visible incompatibilities from 3.1.0
+    - Fix various parsing edge cases
+  * deps: raw-body@~2.1.2
+    - Fix error stack traces to skip `makeError`
+    - deps: iconv-lite@0.4.11
+  * deps: type-is@~1.6.4
+    - deps: mime-types@~2.1.2
+    - perf: enable strict mode
+    - perf: remove argument reassignment
+
+1.13.1 / 2015-06-16
+===================
+
+  * deps: qs@2.4.2
+    - Downgraded from 3.1.0 because of user-visible incompatibilities
+
+1.13.0 / 2015-06-14
+===================
+
+  * Add `statusCode` property on `Error`s, in addition to `status`
+  * Change `type` default to `application/json` for JSON parser
+  * Change `type` default to `application/x-www-form-urlencoded` for urlencoded parser
+  * Provide static `require` analysis
+  * Use the `http-errors` module to generate errors
+  * deps: bytes@2.1.0
+    - Slight optimizations
+  * deps: iconv-lite@0.4.10
+    - The encoding UTF-16 without BOM now defaults to UTF-16LE when detection fails
+    - Leading BOM is now removed when decoding
+  * deps: on-finished@~2.3.0
+    - Add defined behavior for HTTP `CONNECT` requests
+    - Add defined behavior for HTTP `Upgrade` requests
+    - deps: ee-first@1.1.1
+  * deps: qs@3.1.0
+    - Fix dropping parameters like `hasOwnProperty`
+    - Fix various parsing edge cases
+    - Parsed object now has `null` prototype
+  * deps: raw-body@~2.1.1
+    - Use `unpipe` module for unpiping requests
+    - deps: iconv-lite@0.4.10
+  * deps: type-is@~1.6.3
+    - deps: mime-types@~2.1.1
+    - perf: reduce try block size
+    - perf: remove bitwise operations
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+  * perf: remove delete call
+
+1.12.4 / 2015-05-10
+===================
+
+  * deps: debug@~2.2.0
+  * deps: qs@2.4.2
+    - Fix allowing parameters like `constructor`
+  * deps: on-finished@~2.2.1
+  * deps: raw-body@~2.0.1
+    - Fix a false-positive when unpiping in Node.js 0.8
+    - deps: bytes@2.0.1
+  * deps: type-is@~1.6.2
+    - deps: mime-types@~2.0.11
+
+1.12.3 / 2015-04-15
+===================
+
+  * Slight efficiency improvement when not debugging
+  * deps: depd@~1.0.1
+  * deps: iconv-lite@0.4.8
+    - Add encoding alias UNICODE-1-1-UTF-7
+  * deps: raw-body@1.3.4
+    - Fix hanging callback if request aborts during read
+    - deps: iconv-lite@0.4.8
+
+1.12.2 / 2015-03-16
+===================
+
+  * deps: qs@2.4.1
+    - Fix error when parameter `hasOwnProperty` is present
+
+1.12.1 / 2015-03-15
+===================
+
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+  * deps: type-is@~1.6.1
+    - deps: mime-types@~2.0.10
+
+1.12.0 / 2015-02-13
+===================
+
+  * add `debug` messages
+  * accept a function for the `type` option
+  * use `content-type` to parse `Content-Type` headers
+  * deps: iconv-lite@0.4.7
+    - Gracefully support enumerables on `Object.prototype`
+  * deps: raw-body@1.3.3
+    - deps: iconv-lite@0.4.7
+  * deps: type-is@~1.6.0
+    - fix argument reassignment
+    - fix false-positives in `hasBody` `Transfer-Encoding` check
+    - support wildcard for both type and subtype (`*/*`)
+    - deps: mime-types@~2.0.9
+
+1.11.0 / 2015-01-30
+===================
+
+  * make internal `extended: true` depth limit infinity
+  * deps: type-is@~1.5.6
+    - deps: mime-types@~2.0.8
+
+1.10.2 / 2015-01-20
+===================
+
+  * deps: iconv-lite@0.4.6
+    - Fix rare aliases of single-byte encodings
+  * deps: raw-body@1.3.2
+    - deps: iconv-lite@0.4.6
+
+1.10.1 / 2015-01-01
+===================
+
+  * deps: on-finished@~2.2.0
+  * deps: type-is@~1.5.5
+    - deps: mime-types@~2.0.7
+
+1.10.0 / 2014-12-02
+===================
+
+  * make internal `extended: true` array limit dynamic
+
+1.9.3 / 2014-11-21
+==================
+
+  * deps: iconv-lite@0.4.5
+    - Fix Windows-31J and X-SJIS encoding support
+  * deps: qs@2.3.3
+    - Fix `arrayLimit` behavior
+  * deps: raw-body@1.3.1
+    - deps: iconv-lite@0.4.5
+  * deps: type-is@~1.5.3
+    - deps: mime-types@~2.0.3
+
+1.9.2 / 2014-10-27
+==================
+
+  * deps: qs@2.3.2
+    - Fix parsing of mixed objects and values
+
+1.9.1 / 2014-10-22
+==================
+
+  * deps: on-finished@~2.1.1
+    - Fix handling of pipelined requests
+  * deps: qs@2.3.0
+    - Fix parsing of mixed implicit and explicit arrays
+  * deps: type-is@~1.5.2
+    - deps: mime-types@~2.0.2
+
+1.9.0 / 2014-09-24
+==================
+
+  * include the charset in "unsupported charset" error message
+  * include the encoding in "unsupported content encoding" error message
+  * deps: depd@~1.0.0
+
+1.8.4 / 2014-09-23
+==================
+
+  * fix content encoding to be case-insensitive
+
+1.8.3 / 2014-09-19
+==================
+
+  * deps: qs@2.2.4
+    - Fix issue with object keys starting with numbers truncated
+
+1.8.2 / 2014-09-15
+==================
+
+  * deps: depd@0.4.5
+
+1.8.1 / 2014-09-07
+==================
+
+  * deps: media-typer@0.3.0
+  * deps: type-is@~1.5.1
+
+1.8.0 / 2014-09-05
+==================
+
+  * make empty-body-handling consistent between chunked requests
+    - empty `json` produces `{}`
+    - empty `raw` produces `new Buffer(0)`
+    - empty `text` produces `''`
+    - empty `urlencoded` produces `{}`
+  * deps: qs@2.2.3
+    - Fix issue where first empty value in array is discarded
+  * deps: type-is@~1.5.0
+    - fix `hasbody` to be true for `content-length: 0`
+
+1.7.0 / 2014-09-01
+==================
+
+  * add `parameterLimit` option to `urlencoded` parser
+  * change `urlencoded` extended array limit to 100
+  * respond with 413 when over `parameterLimit` in `urlencoded`
+
+1.6.7 / 2014-08-29
+==================
+
+  * deps: qs@2.2.2
+    - Remove unnecessary cloning
+
+1.6.6 / 2014-08-27
+==================
+
+  * deps: qs@2.2.0
+    - Array parsing fix
+    - Performance improvements
+
+1.6.5 / 2014-08-16
+==================
+
+  * deps: on-finished@2.1.0
+
+1.6.4 / 2014-08-14
+==================
+
+  * deps: qs@1.2.2
+
+1.6.3 / 2014-08-10
+==================
+
+  * deps: qs@1.2.1
+
+1.6.2 / 2014-08-07
+==================
+
+  * deps: qs@1.2.0
+    - Fix parsing array of objects
+
+1.6.1 / 2014-08-06
+==================
+
+  * deps: qs@1.1.0
+    - Accept urlencoded square brackets
+    - Accept empty values in implicit array notation
+
+1.6.0 / 2014-08-05
+==================
+
+  * deps: qs@1.0.2
+    - Complete rewrite
+    - Limits array length to 20
+    - Limits object depth to 5
+    - Limits parameters to 1,000
+
+1.5.2 / 2014-07-27
+==================
+
+  * deps: depd@0.4.4
+    - Work-around v8 generating empty stack traces
+
+1.5.1 / 2014-07-26
+==================
+
+  * deps: depd@0.4.3
+    - Fix exception when global `Error.stackTraceLimit` is too low
+
+1.5.0 / 2014-07-20
+==================
+
+  * deps: depd@0.4.2
+    - Add `TRACE_DEPRECATION` environment variable
+    - Remove non-standard grey color from color output
+    - Support `--no-deprecation` argument
+    - Support `--trace-deprecation` argument
+  * deps: iconv-lite@0.4.4
+    - Added encoding UTF-7
+  * deps: raw-body@1.3.0
+    - deps: iconv-lite@0.4.4
+    - Added encoding UTF-7
+    - Fix `Cannot switch to old mode now` error on Node.js 0.10+
+  * deps: type-is@~1.3.2
+
+1.4.3 / 2014-06-19
+==================
+
+  * deps: type-is@1.3.1
+    - fix global variable leak
+
+1.4.2 / 2014-06-19
+==================
+
+  * deps: type-is@1.3.0
+    - improve type parsing
+
+1.4.1 / 2014-06-19
+==================
+
+  * fix urlencoded extended deprecation message
+
+1.4.0 / 2014-06-19
+==================
+
+  * add `text` parser
+  * add `raw` parser
+  * check accepted charset in content-type (accepts utf-8)
+  * check accepted encoding in content-encoding (accepts identity)
+  * deprecate `bodyParser()` middleware; use `.json()` and `.urlencoded()` as needed
+  * deprecate `urlencoded()` without provided `extended` option
+  * lazy-load urlencoded parsers
+  * parsers split into files for reduced mem usage
+  * support gzip and deflate bodies
+    - set `inflate: false` to turn off
+  * deps: raw-body@1.2.2
+    - Support all encodings from `iconv-lite`
+
+1.3.1 / 2014-06-11
+==================
+
+  * deps: type-is@1.2.1
+    - Switch dependency from mime to mime-types@1.0.0
+
+1.3.0 / 2014-05-31
+==================
+
+  * add `extended` option to urlencoded parser
+
+1.2.2 / 2014-05-27
+==================
+
+  * deps: raw-body@1.1.6
+    - assert stream encoding on node.js 0.8
+    - assert stream encoding on node.js < 0.10.6
+    - deps: bytes@1
+
+1.2.1 / 2014-05-26
+==================
+
+  * invoke `next(err)` after request fully read
+    - prevents hung responses and socket hang ups
+
+1.2.0 / 2014-05-11
+==================
+
+  * add `verify` option
+  * deps: type-is@1.2.0
+    - support suffix matching
+
+1.1.2 / 2014-05-11
+==================
+
+  * improve json parser speed
+
+1.1.1 / 2014-05-11
+==================
+
+  * fix repeated limit parsing with every request
+
+1.1.0 / 2014-05-10
+==================
+
+  * add `type` option
+  * deps: pin for safety and consistency
+
+1.0.2 / 2014-04-14
+==================
+
+  * use `type-is` module
+
+1.0.1 / 2014-03-20
+==================
+
+  * lower default limits to 100kb

server/node_modules/body-parser/LICENSE

@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

server/node_modules/body-parser/README.md

@@ -0,0 +1,476 @@
+# body-parser
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+[![OpenSSF Scorecard Badge][ossf-scorecard-badge]][ossf-scorecard-visualizer]
+
+Node.js body parsing middleware.
+
+Parse incoming request bodies in a middleware before your handlers, available
+under the `req.body` property.
+
+**Note** As `req.body`'s shape is based on user-controlled input, all
+properties and values in this object are untrusted and should be validated
+before trusting. For example, `req.body.foo.toString()` may fail in multiple
+ways, for example the `foo` property may not be there or may not be a string,
+and `toString` may not be a function and instead a string or other user input.
+
+[Learn about the anatomy of an HTTP transaction in Node.js](https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/).
+
+_This does not handle multipart bodies_, due to their complex and typically
+large nature. For multipart bodies, you may be interested in the following
+modules:
+
+  * [busboy](https://www.npmjs.org/package/busboy#readme) and
+    [connect-busboy](https://www.npmjs.org/package/connect-busboy#readme)
+  * [multiparty](https://www.npmjs.org/package/multiparty#readme) and
+    [connect-multiparty](https://www.npmjs.org/package/connect-multiparty#readme)
+  * [formidable](https://www.npmjs.org/package/formidable#readme)
+  * [multer](https://www.npmjs.org/package/multer#readme)
+
+This module provides the following parsers:
+
+  * [JSON body parser](#bodyparserjsonoptions)
+  * [Raw body parser](#bodyparserrawoptions)
+  * [Text body parser](#bodyparsertextoptions)
+  * [URL-encoded form body parser](#bodyparserurlencodedoptions)
+
+Other body parsers you might be interested in:
+
+- [body](https://www.npmjs.org/package/body#readme)
+- [co-body](https://www.npmjs.org/package/co-body#readme)
+
+## Installation
+
+```sh
+$ npm install body-parser
+```
+
+## API
+
+```js
+var bodyParser = require('body-parser')
+```
+
+The `bodyParser` object exposes various factories to create middlewares. All
+middlewares will populate the `req.body` property with the parsed body when
+the `Content-Type` request header matches the `type` option, or an empty
+object (`{}`) if there was no body to parse, the `Content-Type` was not matched,
+or an error occurred.
+
+The various errors returned by this module are described in the
+[errors section](#errors).
+
+### bodyParser.json([options])
+
+Returns middleware that only parses `json` and only looks at requests where
+the `Content-Type` header matches the `type` option. This parser accepts any
+Unicode encoding of the body and supports automatic inflation of `gzip` and
+`deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`).
+
+#### Options
+
+The `json` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### reviver
+
+The `reviver` option is passed directly to `JSON.parse` as the second
+argument. You can find more information on this argument
+[in the MDN documentation about JSON.parse](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Example.3A_Using_the_reviver_parameter).
+
+##### strict
+
+When set to `true`, will only accept arrays and objects; when `false` will
+accept anything `JSON.parse` accepts. Defaults to `true`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not a
+function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `json`), a mime type (like `application/json`), or
+a mime type with a wildcard (like `*/*` or `*/json`). If a function, the `type`
+option is called as `fn(req)` and the request is parsed if it returns a truthy
+value. Defaults to `application/json`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.raw([options])
+
+Returns middleware that parses all bodies as a `Buffer` and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser supports automatic inflation of `gzip` and `deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This will be a `Buffer` object
+of the body.
+
+#### Options
+
+The `raw` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function.
+If not a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this
+can be an extension name (like `bin`), a mime type (like
+`application/octet-stream`), or a mime type with a wildcard (like `*/*` or
+`application/*`). If a function, the `type` option is called as `fn(req)`
+and the request is parsed if it returns a truthy value. Defaults to
+`application/octet-stream`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.text([options])
+
+Returns middleware that parses all bodies as a string and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser supports automatic inflation of `gzip` and `deflate` encodings.
+
+A new `body` string containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This will be a string of the
+body.
+
+#### Options
+
+The `text` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### defaultCharset
+
+Specify the default character set for the text content if the charset is not
+specified in the `Content-Type` header of the request. Defaults to `utf-8`.
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not
+a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `txt`), a mime type (like `text/plain`), or a mime
+type with a wildcard (like `*/*` or `text/*`). If a function, the `type`
+option is called as `fn(req)` and the request is parsed if it returns a
+truthy value. Defaults to `text/plain`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.urlencoded([options])
+
+Returns middleware that only parses `urlencoded` bodies and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser accepts only UTF-8 encoding of the body and supports automatic
+inflation of `gzip` and `deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This object will contain
+key-value pairs, where the value can be a string or array (when `extended` is
+`false`), or any type (when `extended` is `true`).
+
+#### Options
+
+The `urlencoded` function takes an optional `options` object that may contain
+any of the following keys:
+
+##### extended
+
+The `extended` option allows to choose between parsing the URL-encoded data
+with the `querystring` library (when `false`) or the `qs` library (when
+`true`). The "extended" syntax allows for rich objects and arrays to be
+encoded into the URL-encoded format, allowing for a JSON-like experience
+with URL-encoded. For more information, please
+[see the qs library](https://www.npmjs.org/package/qs#readme).
+
+Defaults to `true`, but using the default has been deprecated. Please
+research into the difference between `qs` and `querystring` and choose the
+appropriate setting.
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### parameterLimit
+
+The `parameterLimit` option controls the maximum number of parameters that
+are allowed in the URL-encoded data. If a request contains more parameters
+than this value, a 413 will be returned to the client. Defaults to `1000`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not
+a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `urlencoded`), a mime type (like
+`application/x-www-form-urlencoded`), or a mime type with a wildcard (like
+`*/x-www-form-urlencoded`). If a function, the `type` option is called as
+`fn(req)` and the request is parsed if it returns a truthy value. Defaults
+to `application/x-www-form-urlencoded`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+#### depth
+
+The `depth` option is used to configure the maximum depth of the `qs` library when `extended` is `true`. This allows you to limit the amount of keys that are parsed and can be useful to prevent certain types of abuse. Defaults to `32`. It is recommended to keep this value as low as possible.
+
+## Errors
+
+The middlewares provided by this module create errors using the
+[`http-errors` module](https://www.npmjs.com/package/http-errors). The errors
+will typically have a `status`/`statusCode` property that contains the suggested
+HTTP response code, an `expose` property to determine if the `message` property
+should be displayed to the client, a `type` property to determine the type of
+error without matching against the `message`, and a `body` property containing
+the read body, if available.
+
+The following are the common errors created, though any error can come through
+for various reasons.
+
+### content encoding unsupported
+
+This error will occur when the request had a `Content-Encoding` header that
+contained an encoding but the "inflation" option was set to `false`. The
+`status` property is set to `415`, the `type` property is set to
+`'encoding.unsupported'`, and the `charset` property will be set to the
+encoding that is unsupported.
+
+### entity parse failed
+
+This error will occur when the request contained an entity that could not be
+parsed by the middleware. The `status` property is set to `400`, the `type`
+property is set to `'entity.parse.failed'`, and the `body` property is set to
+the entity value that failed parsing.
+
+### entity verify failed
+
+This error will occur when the request contained an entity that could not be
+failed verification by the defined `verify` option. The `status` property is
+set to `403`, the `type` property is set to `'entity.verify.failed'`, and the
+`body` property is set to the entity value that failed verification.
+
+### request aborted
+
+This error will occur when the request is aborted by the client before reading
+the body has finished. The `received` property will be set to the number of
+bytes received before the request was aborted and the `expected` property is
+set to the number of expected bytes. The `status` property is set to `400`
+and `type` property is set to `'request.aborted'`.
+
+### request entity too large
+
+This error will occur when the request body's size is larger than the "limit"
+option. The `limit` property will be set to the byte limit and the `length`
+property will be set to the request body's length. The `status` property is
+set to `413` and the `type` property is set to `'entity.too.large'`.
+
+### request size did not match content length
+
+This error will occur when the request's length did not match the length from
+the `Content-Length` header. This typically occurs when the request is malformed,
+typically when the `Content-Length` header was calculated based on characters
+instead of bytes. The `status` property is set to `400` and the `type` property
+is set to `'request.size.invalid'`.
+
+### stream encoding should not be set
+
+This error will occur when something called the `req.setEncoding` method prior
+to this middleware. This module operates directly on bytes only and you cannot
+call `req.setEncoding` when using this module. The `status` property is set to
+`500` and the `type` property is set to `'stream.encoding.set'`.
+
+### stream is not readable
+
+This error will occur when the request is no longer readable when this middleware
+attempts to read it. This typically means something other than a middleware from
+this module read the request body already and the middleware was also configured to
+read the same request. The `status` property is set to `500` and the `type`
+property is set to `'stream.not.readable'`.
+
+### too many parameters
+
+This error will occur when the content of the request exceeds the configured
+`parameterLimit` for the `urlencoded` parser. The `status` property is set to
+`413` and the `type` property is set to `'parameters.too.many'`.
+
+### unsupported charset "BOGUS"
+
+This error will occur when the request had a charset parameter in the
+`Content-Type` header, but the `iconv-lite` module does not support it OR the
+parser does not support it. The charset is contained in the message as well
+as in the `charset` property. The `status` property is set to `415`, the
+`type` property is set to `'charset.unsupported'`, and the `charset` property
+is set to the charset that is unsupported.
+
+### unsupported content encoding "bogus"
+
+This error will occur when the request had a `Content-Encoding` header that
+contained an unsupported encoding. The encoding is contained in the message
+as well as in the `encoding` property. The `status` property is set to `415`,
+the `type` property is set to `'encoding.unsupported'`, and the `encoding`
+property is set to the encoding that is unsupported.
+
+### The input exceeded the depth
+
+This error occurs when using `bodyParser.urlencoded` with the `extended` property set to `true` and the input exceeds the configured `depth` option. The `status` property is set to `400`. It is recommended to review the `depth` option and evaluate if it requires a higher value. When the `depth` option is set to `32` (default value), the error will not be thrown.
+
+## Examples
+
+### Express/Connect top-level generic
+
+This example demonstrates adding a generic JSON and URL-encoded parser as a
+top-level middleware, which will parse the bodies of all incoming requests.
+This is the simplest setup.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// parse application/x-www-form-urlencoded
+app.use(bodyParser.urlencoded({ extended: false }))
+
+// parse application/json
+app.use(bodyParser.json())
+
+app.use(function (req, res) {
+  res.setHeader('Content-Type', 'text/plain')
+  res.write('you posted:\n')
+  res.end(JSON.stringify(req.body, null, 2))
+})
+```
+
+### Express route-specific
+
+This example demonstrates adding body parsers specifically to the routes that
+need them. In general, this is the most recommended way to use body-parser with
+Express.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// create application/json parser
+var jsonParser = bodyParser.json()
+
+// create application/x-www-form-urlencoded parser
+var urlencodedParser = bodyParser.urlencoded({ extended: false })
+
+// POST /login gets urlencoded bodies
+app.post('/login', urlencodedParser, function (req, res) {
+  res.send('welcome, ' + req.body.username)
+})
+
+// POST /api/users gets JSON bodies
+app.post('/api/users', jsonParser, function (req, res) {
+  // create user in req.body
+})
+```
+
+### Change accepted type for parsers
+
+All the parsers accept a `type` option which allows you to change the
+`Content-Type` that the middleware will parse.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// parse various different custom JSON types as JSON
+app.use(bodyParser.json({ type: 'application/*+json' }))
+
+// parse some custom thing into a Buffer
+app.use(bodyParser.raw({ type: 'application/vnd.custom-type' }))
+
+// parse an HTML body into a string
+app.use(bodyParser.text({ type: 'text/html' }))
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/expressjs/body-parser/master?label=ci
+[ci-url]: https://github.com/expressjs/body-parser/actions/workflows/ci.yml
+[coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/body-parser/master
+[coveralls-url]: https://coveralls.io/r/expressjs/body-parser?branch=master
+[node-version-image]: https://badgen.net/npm/node/body-parser
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/body-parser
+[npm-url]: https://npmjs.org/package/body-parser
+[npm-version-image]: https://badgen.net/npm/v/body-parser
+[ossf-scorecard-badge]: https://api.scorecard.dev/projects/github.com/expressjs/body-parser/badge
+[ossf-scorecard-visualizer]: https://ossf.github.io/scorecard-visualizer/#/projects/github.com/expressjs/body-parser

server/node_modules/body-parser/index.js

@@ -0,0 +1,156 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var deprecate = require('depd')('body-parser')
+
+/**
+ * Cache of loaded parsers.
+ * @private
+ */
+
+var parsers = Object.create(null)
+
+/**
+ * @typedef Parsers
+ * @type {function}
+ * @property {function} json
+ * @property {function} raw
+ * @property {function} text
+ * @property {function} urlencoded
+ */
+
+/**
+ * Module exports.
+ * @type {Parsers}
+ */
+
+exports = module.exports = deprecate.function(bodyParser,
+  'bodyParser: use individual json/urlencoded middlewares')
+
+/**
+ * JSON parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'json', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('json')
+})
+
+/**
+ * Raw parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'raw', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('raw')
+})
+
+/**
+ * Text parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'text', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('text')
+})
+
+/**
+ * URL-encoded parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'urlencoded', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('urlencoded')
+})
+
+/**
+ * Create a middleware to parse json and urlencoded bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @deprecated
+ * @public
+ */
+
+function bodyParser (options) {
+  // use default type for parsers
+  var opts = Object.create(options || null, {
+    type: {
+      configurable: true,
+      enumerable: true,
+      value: undefined,
+      writable: true
+    }
+  })
+
+  var _urlencoded = exports.urlencoded(opts)
+  var _json = exports.json(opts)
+
+  return function bodyParser (req, res, next) {
+    _json(req, res, function (err) {
+      if (err) return next(err)
+      _urlencoded(req, res, next)
+    })
+  }
+}
+
+/**
+ * Create a getter for loading a parser.
+ * @private
+ */
+
+function createParserGetter (name) {
+  return function get () {
+    return loadParser(name)
+  }
+}
+
+/**
+ * Load a parser module.
+ * @private
+ */
+
+function loadParser (parserName) {
+  var parser = parsers[parserName]
+
+  if (parser !== undefined) {
+    return parser
+  }
+
+  // this uses a switch for static require analysis
+  switch (parserName) {
+    case 'json':
+      parser = require('./lib/types/json')
+      break
+    case 'raw':
+      parser = require('./lib/types/raw')
+      break
+    case 'text':
+      parser = require('./lib/types/text')
+      break
+    case 'urlencoded':
+      parser = require('./lib/types/urlencoded')
+      break
+  }
+
+  // store to prevent invoking require()
+  return (parsers[parserName] = parser)
+}

server/node_modules/body-parser/lib/read.js

@@ -0,0 +1,205 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var createError = require('http-errors')
+var destroy = require('destroy')
+var getBody = require('raw-body')
+var iconv = require('iconv-lite')
+var onFinished = require('on-finished')
+var unpipe = require('unpipe')
+var zlib = require('zlib')
+
+/**
+ * Module exports.
+ */
+
+module.exports = read
+
+/**
+ * Read a request into a buffer and parse.
+ *
+ * @param {object} req
+ * @param {object} res
+ * @param {function} next
+ * @param {function} parse
+ * @param {function} debug
+ * @param {object} options
+ * @private
+ */
+
+function read (req, res, next, parse, debug, options) {
+  var length
+  var opts = options
+  var stream
+
+  // flag as parsed
+  req._body = true
+
+  // read options
+  var encoding = opts.encoding !== null
+    ? opts.encoding
+    : null
+  var verify = opts.verify
+
+  try {
+    // get the content stream
+    stream = contentstream(req, debug, opts.inflate)
+    length = stream.length
+    stream.length = undefined
+  } catch (err) {
+    return next(err)
+  }
+
+  // set raw-body options
+  opts.length = length
+  opts.encoding = verify
+    ? null
+    : encoding
+
+  // assert charset is supported
+  if (opts.encoding === null && encoding !== null && !iconv.encodingExists(encoding)) {
+    return next(createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
+      charset: encoding.toLowerCase(),
+      type: 'charset.unsupported'
+    }))
+  }
+
+  // read body
+  debug('read body')
+  getBody(stream, opts, function (error, body) {
+    if (error) {
+      var _error
+
+      if (error.type === 'encoding.unsupported') {
+        // echo back charset
+        _error = createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
+          charset: encoding.toLowerCase(),
+          type: 'charset.unsupported'
+        })
+      } else {
+        // set status code on error
+        _error = createError(400, error)
+      }
+
+      // unpipe from stream and destroy
+      if (stream !== req) {
+        unpipe(req)
+        destroy(stream, true)
+      }
+
+      // read off entire request
+      dump(req, function onfinished () {
+        next(createError(400, _error))
+      })
+      return
+    }
+
+    // verify
+    if (verify) {
+      try {
+        debug('verify body')
+        verify(req, res, body, encoding)
+      } catch (err) {
+        next(createError(403, err, {
+          body: body,
+          type: err.type || 'entity.verify.failed'
+        }))
+        return
+      }
+    }
+
+    // parse
+    var str = body
+    try {
+      debug('parse body')
+      str = typeof body !== 'string' && encoding !== null
+        ? iconv.decode(body, encoding)
+        : body
+      req.body = parse(str)
+    } catch (err) {
+      next(createError(400, err, {
+        body: str,
+        type: err.type || 'entity.parse.failed'
+      }))
+      return
+    }
+
+    next()
+  })
+}
+
+/**
+ * Get the content stream of the request.
+ *
+ * @param {object} req
+ * @param {function} debug
+ * @param {boolean} [inflate=true]
+ * @return {object}
+ * @api private
+ */
+
+function contentstream (req, debug, inflate) {
+  var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase()
+  var length = req.headers['content-length']
+  var stream
+
+  debug('content-encoding "%s"', encoding)
+
+  if (inflate === false && encoding !== 'identity') {
+    throw createError(415, 'content encoding unsupported', {
+      encoding: encoding,
+      type: 'encoding.unsupported'
+    })
+  }
+
+  switch (encoding) {
+    case 'deflate':
+      stream = zlib.createInflate()
+      debug('inflate body')
+      req.pipe(stream)
+      break
+    case 'gzip':
+      stream = zlib.createGunzip()
+      debug('gunzip body')
+      req.pipe(stream)
+      break
+    case 'identity':
+      stream = req
+      stream.length = length
+      break
+    default:
+      throw createError(415, 'unsupported content encoding "' + encoding + '"', {
+        encoding: encoding,
+        type: 'encoding.unsupported'
+      })
+  }
+
+  return stream
+}
+
+/**
+ * Dump the contents of a request.
+ *
+ * @param {object} req
+ * @param {function} callback
+ * @api private
+ */
+
+function dump (req, callback) {
+  if (onFinished.isFinished(req)) {
+    callback(null)
+  } else {
+    onFinished(req, callback)
+    req.resume()
+  }
+}

server/node_modules/body-parser/lib/types/json.js

@@ -0,0 +1,247 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var bytes = require('bytes')
+var contentType = require('content-type')
+var createError = require('http-errors')
+var debug = require('debug')('body-parser:json')
+var read = require('../read')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = json
+
+/**
+ * RegExp to match the first non-space in a string.
+ *
+ * Allowed whitespace is defined in RFC 7159:
+ *
+ *    ws = *(
+ *            %x20 /              ; Space
+ *            %x09 /              ; Horizontal tab
+ *            %x0A /              ; Line feed or New line
+ *            %x0D )              ; Carriage return
+ */
+
+var FIRST_CHAR_REGEXP = /^[\x20\x09\x0a\x0d]*([^\x20\x09\x0a\x0d])/ // eslint-disable-line no-control-regex
+
+var JSON_SYNTAX_CHAR = '#'
+var JSON_SYNTAX_REGEXP = /#+/g
+
+/**
+ * Create a middleware to parse JSON bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @public
+ */
+
+function json (options) {
+  var opts = options || {}
+
+  var limit = typeof opts.limit !== 'number'
+    ? bytes.parse(opts.limit || '100kb')
+    : opts.limit
+  var inflate = opts.inflate !== false
+  var reviver = opts.reviver
+  var strict = opts.strict !== false
+  var type = opts.type || 'application/json'
+  var verify = opts.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  // create the appropriate type checking function
+  var shouldParse = typeof type !== 'function'
+    ? typeChecker(type)
+    : type
+
+  function parse (body) {
+    if (body.length === 0) {
+      // special-case empty json body, as it's a common client-side mistake
+      // TODO: maybe make this configurable or part of "strict" option
+      return {}
+    }
+
+    if (strict) {
+      var first = firstchar(body)
+
+      if (first !== '{' && first !== '[') {
+        debug('strict violation')
+        throw createStrictSyntaxError(body, first)
+      }
+    }
+
+    try {
+      debug('parse json')
+      return JSON.parse(body, reviver)
+    } catch (e) {
+      throw normalizeJsonSyntaxError(e, {
+        message: e.message,
+        stack: e.stack
+      })
+    }
+  }
+
+  return function jsonParser (req, res, next) {
+    if (req._body) {
+      debug('body already parsed')
+      next()
+      return
+    }
+
+    req.body = req.body || {}
+
+    // skip requests without bodies
+    if (!typeis.hasBody(req)) {
+      debug('skip empty body')
+      next()
+      return
+    }
+
+    debug('content-type %j', req.headers['content-type'])
+
+    // determine if request should be parsed
+    if (!shouldParse(req)) {
+      debug('skip parsing')
+      next()
+      return
+    }
+
+    // assert charset per RFC 7159 sec 8.1
+    var charset = getCharset(req) || 'utf-8'
+    if (charset.slice(0, 4) !== 'utf-') {
+      debug('invalid charset')
+      next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
+        charset: charset,
+        type: 'charset.unsupported'
+      }))
+      return
+    }
+
+    // read
+    read(req, res, next, parse, debug, {
+      encoding: charset,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Create strict violation syntax error matching native error.
+ *
+ * @param {string} str
+ * @param {string} char
+ * @return {Error}
+ * @private
+ */
+
+function createStrictSyntaxError (str, char) {
+  var index = str.indexOf(char)
+  var partial = ''
+
+  if (index !== -1) {
+    partial = str.substring(0, index) + JSON_SYNTAX_CHAR
+
+    for (var i = index + 1; i < str.length; i++) {
+      partial += JSON_SYNTAX_CHAR
+    }
+  }
+
+  try {
+    JSON.parse(partial); /* istanbul ignore next */ throw new SyntaxError('strict violation')
+  } catch (e) {
+    return normalizeJsonSyntaxError(e, {
+      message: e.message.replace(JSON_SYNTAX_REGEXP, function (placeholder) {
+        return str.substring(index, index + placeholder.length)
+      }),
+      stack: e.stack
+    })
+  }
+}
+
+/**
+ * Get the first non-whitespace character in a string.
+ *
+ * @param {string} str
+ * @return {function}
+ * @private
+ */
+
+function firstchar (str) {
+  var match = FIRST_CHAR_REGEXP.exec(str)
+
+  return match
+    ? match[1]
+    : undefined
+}
+
+/**
+ * Get the charset of a request.
+ *
+ * @param {object} req
+ * @api private
+ */
+
+function getCharset (req) {
+  try {
+    return (contentType.parse(req).parameters.charset || '').toLowerCase()
+  } catch (e) {
+    return undefined
+  }
+}
+
+/**
+ * Normalize a SyntaxError for JSON.parse.
+ *
+ * @param {SyntaxError} error
+ * @param {object} obj
+ * @return {SyntaxError}
+ */
+
+function normalizeJsonSyntaxError (error, obj) {
+  var keys = Object.getOwnPropertyNames(error)
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+    if (key !== 'stack' && key !== 'message') {
+      delete error[key]
+    }
+  }
+
+  // replace stack before message for Node.js 0.10 and below
+  error.stack = obj.stack.replace(error.message, obj.message)
+  error.message = obj.message
+
+  return error
+}
+
+/**
+ * Get the simple type checker.
+ *
+ * @param {string} type
+ * @return {function}
+ */
+
+function typeChecker (type) {
+  return function checkType (req) {
+    return Boolean(typeis(req, type))
+  }
+}