mirror of
https://github.com/AstrBotDevs/AstrBot
synced 2026-07-17 17:51:20 +08:00
* refactor: migrate to fastapi * structure refactor * fix: pyright fix * refactor: improve error handling and public messages in plugin services * feat(api): refactor API client integration and enhance request handling - Updated API client configuration to use a dedicated HTTP client. - Introduced utility functions for generating options, queries, and form data for API requests. - Refactored multiple API methods to utilize the new utility functions for improved consistency and readability. - Renamed types for clarity and updated import statements accordingly. feat(docs): add script to update OpenAPI JSON from YAML spec - Created a Python script to convert OpenAPI YAML specification to JSON format. - The script supports customizable input and output paths. - Ensured the script handles directory creation for output paths and validates the YAML structure. * fix * feat(auth): implement rate limiting for v1 login endpoint and enhance request handling * Refactor dashboard API routers to use legacy_router for backward compatibility - Changed all instances of dashboard_router to legacy_router across multiple API modules including platform, plugins, providers, sessions, skills, stats, subagents, t2i, tools, updates, and asgi_runtime. - Updated route definitions to ensure existing endpoints remain functional under the new router structure. - Introduced support for Quart request context in asgi_runtime to enhance compatibility with existing Quart-based plugins. - Added a test case to validate the functionality of the new Quart request context handling in plugin extensions. * chore: remove cli test * fix: update dashboard tests for fastapi migration * chore: satisfy ruff checks * fix: update openapi api key scopes * fix: sync config scope chip selection * fix: restore quart dependency * docs: clarify quart plugin api compatibility * docs: update openapi scope documentation * fix: use singular skill openapi scope * fix: hide update service exception details * fix: address fastapi review comments * fix: address dashboard review findings * docs: revert unrelated package deployment changes * docs: update agent api generation guidance * feat: add plugin page web api helpers * docs: add plugin page bridge demo * fix: type plugin upload files * fix: stabilize plugin page uploads * fix: type plugin web request proxy * docs: remove plugin page docs example * fix: authenticate plugin page SSE bridge
653 lines
18 KiB
Markdown
653 lines
18 KiB
Markdown
# 插件 Pages
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插件 Pages 允许插件在 AstrBot WebUI 中提供自己的页面。页面文件放在插件目录的 `pages/` 下,由 Dashboard 以受限 iframe 的方式加载;页面里的脚本通过 `window.AstrBotPluginPage` bridge 和 Dashboard 通信,再由 Dashboard 转发到插件注册的后端 Web API。
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如果只是让用户填写少量配置项,优先使用 [`_conf_schema.json`](./plugin-config.md)。Pages 更适合复杂表单、运行状态面板、日志查看、文件上传下载、SSE 实时流、图表和其他需要自定义交互的场景。
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## 目录结构
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`pages/` 下的每个一级子目录是一个独立 Page。AstrBot 只扫描 `pages/<page_name>/index.html`,没有 `index.html` 的目录会被忽略。
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```text
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astrbot_plugin_page_demo/
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├─ main.py
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└─ pages/
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├─ bridge-demo/
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│ ├─ index.html
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│ ├─ app.js
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│ ├─ style.css
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│ └─ assets/
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│ └─ logo.svg
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└─ settings/
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└─ index.html
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```
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`page_name` 应使用简单目录名,例如 `settings`、`bridge-demo`。不要使用空目录名、`.`、`..`、以 `.` 开头的目录名,或包含 `/`、`\` 的名称。
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用户可以在 WebUI 的插件页点击插件卡片进入插件详情页,然后打开插件声明的 Pages。
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## 开发流程
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1. 在插件目录下创建 `pages/<page_name>/index.html`。
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2. 在 Page 中通过 `window.AstrBotPluginPage` bridge 调用后端能力。
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3. 在 `main.py` 中使用 `context.register_web_api()` 注册插件后端 API。
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4. 后端 handler 使用 `astrbot.api.web` 读取请求并返回响应。
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5. 新增或删除 Page 目录后重载插件;修改静态资源通常刷新 Page 即可。
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## 最小完整示例
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### 后端
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插件后端推荐使用 `astrbot.api.web`,不要把 FastAPI、Starlette 或 Quart 的原始请求对象作为插件公共 API 暴露给自己的业务代码。
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```python
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from astrbot.api.star import Context, Star
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from astrbot.api.web import error_response, json_response, request
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PLUGIN_NAME = "astrbot_plugin_page_demo"
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class MyPlugin(Star):
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def __init__(self, context: Context):
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super().__init__(context)
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context.register_web_api(
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f"/{PLUGIN_NAME}/ping",
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self.page_ping,
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["GET"],
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"Page ping",
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)
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context.register_web_api(
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f"/{PLUGIN_NAME}/settings/save",
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self.save_settings,
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["POST"],
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"Save Page settings",
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)
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async def page_ping(self):
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limit = request.query.get("limit", 20, type=int)
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return json_response(
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{
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"message": "pong",
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"limit": limit,
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"username": request.username,
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}
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)
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async def save_settings(self):
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payload = await request.json(default={})
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if not isinstance(payload.get("enabled"), bool):
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return error_response("enabled must be a boolean")
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return json_response({"saved": True})
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```
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### 前端
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`pages/bridge-demo/index.html`
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```html
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<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8" />
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<title>Plugin Page Demo</title>
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<link rel="stylesheet" href="./style.css" />
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</head>
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<body>
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<button id="ping">Ping</button>
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<pre id="output"></pre>
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<script type="module" src="./app.js"></script>
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</body>
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</html>
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```
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`pages/bridge-demo/app.js`
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```js
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const bridge = window.AstrBotPluginPage;
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const output = document.getElementById("output");
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const context = await bridge.ready();
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output.textContent = JSON.stringify(context, null, 2);
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document.getElementById("ping").addEventListener("click", async () => {
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const result = await bridge.apiGet("ping", { limit: 20 });
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output.textContent = JSON.stringify(result, null, 2);
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});
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```
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不需要手动引入 bridge SDK。AstrBot 返回 HTML 时会自动插入 `/api/plugin/page/bridge-sdk.js`。如果内联脚本必须同步访问 `window.AstrBotPluginPage`,请把脚本改成外部 module 文件,或在自己的脚本前显式引入:
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```html
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<script src="/api/plugin/page/bridge-sdk.js"></script>
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```
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## 后端 Web API
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### 路由注册
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使用 `context.register_web_api(route, view_handler, methods, desc)` 注册插件 API。
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```python
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context.register_web_api(
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f"/{PLUGIN_NAME}/items/<item_id>",
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self.get_item,
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["GET"],
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"Get item",
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)
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```
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路由需要包含插件名作为前缀。Page 端的 bridge endpoint 不需要包含插件名:
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```js
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await bridge.apiGet("items/123");
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```
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Dashboard 会把它转发到:
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```text
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/api/v1/plugins/extensions/<plugin_name>/items/123
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```
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注册路由 `/<plugin_name>/items/<item_id>` 会匹配该请求,`item_id` 作为 handler 的关键字参数传入:
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```python
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async def get_item(self, item_id: str):
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return json_response({"item_id": item_id})
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```
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支持的动态片段:
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- `<name>`:匹配单个路径片段。
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- `<path:name>`:匹配后续多级路径。
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### 请求对象
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推荐导入:
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```python
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from astrbot.api.web import request
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```
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`request` 是当前请求的上下文代理,只能在插件 Web API handler 执行期间访问。常用字段和方法:
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| API | 说明 |
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| --- | --- |
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| `request.method` | HTTP 方法,例如 `GET`、`POST` |
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| `request.path` | 当前 Dashboard API 路径 |
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| `request.plugin_name` | 从扩展路径解析出的插件名 |
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| `request.username` | 当前 Dashboard 用户名,可能为 `None` |
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| `request.headers` | 请求头 |
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| `request.cookies` | 请求 cookies |
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| `request.content_type` | 请求 Content-Type |
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| `request.client_host` | 客户端地址 |
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| `request.path_params` | 路由动态参数字典 |
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| `request.query` | query 参数,支持 `get()` 和 `getlist()` |
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| `await request.body()` | 原始请求体 bytes |
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| `await request.json(default={})` | JSON 请求体,解析失败返回 default |
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| `await request.form()` | 表单字段,不含上传文件 |
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| `await request.files()` | 上传文件 |
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query 参数使用示例:
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```python
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limit = request.query.get("limit", 20, type=int)
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tags = request.query.getlist("tag")
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```
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JSON 请求体使用示例:
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```python
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payload = await request.json(default={})
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enabled = bool(payload.get("enabled"))
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```
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文件上传使用示例:
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```python
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from pathlib import Path
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from astrbot.core.utils.astrbot_path import get_astrbot_plugin_data_path
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from astrbot.api.web import PluginUploadFile, error_response, json_response, request
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async def import_file(self):
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form = await request.form()
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files = await request.files()
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upload: PluginUploadFile | None = files.get("file")
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if not isinstance(upload, PluginUploadFile):
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return error_response("missing file")
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target_dir = (
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Path(get_astrbot_plugin_data_path())
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/ (request.plugin_name or "unknown_plugin")
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/ "imports"
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)
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target_dir.mkdir(parents=True, exist_ok=True)
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target = target_dir / Path(upload.filename).name
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await upload.save(target)
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return json_response(
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{
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"filename": upload.filename,
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"content_type": upload.content_type,
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"tag": form.get("tag"),
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}
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)
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```
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`request.form()` 和 `request.files()` 会缓存解析结果,可以在同一个 handler 中各调用一次。
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### 响应对象
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推荐从 `astrbot.api.web` 导入响应 helper:
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```python
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from astrbot.api.web import (
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error_response,
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file_response,
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json_response,
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stream_response,
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)
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```
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JSON 响应:
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```python
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return json_response({"saved": True})
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```
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错误响应:
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```python
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return error_response("invalid threshold", status_code=400)
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```
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文件下载响应:
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```python
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return file_response(
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export_path,
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filename="export.json",
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content_type="application/json",
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)
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```
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SSE 响应:
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```python
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import json
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from astrbot.api.web import stream_response
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async def stream_events(self):
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async def events():
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yield f"data: {json.dumps({'state': 'started'})}\n\n"
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yield f"data: {json.dumps({'state': 'done'})}\n\n"
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return stream_response(events())
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```
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直接返回 `dict`、`list`、`(body, status_code)` 或底层 Response 对象仍然可用;文档和新插件推荐优先使用 `astrbot.api.web` helper,让插件代码和 Dashboard 内部框架解耦。
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### Quart 兼容
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为了兼容旧插件,通过 `context.register_web_api()` 注册的 handler 仍会进入 Quart 兼容请求上下文。旧代码可以继续使用:
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```python
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from quart import jsonify, request
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```
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新插件和新文档推荐使用:
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```python
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from astrbot.api.web import json_response, request
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```
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不要在同一个 handler 中混用两个 `request` 代理,迁移时按 handler 逐步替换即可。
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## Bridge API
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Page iframe 不能直接访问 Dashboard cookies、LocalStorage 或父页面 DOM。页面脚本必须通过 `window.AstrBotPluginPage` bridge 调用后端和读取上下文。
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```js
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const bridge = window.AstrBotPluginPage;
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```
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### 上下文
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`ready()` 等待父页面发送初始上下文,返回 `Promise<context>`。页面初始化时应先等待它。
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```js
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const context = await bridge.ready();
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```
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上下文通常包含:
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```json
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{
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"pluginName": "astrbot_plugin_page_demo",
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"displayName": "Plugin Page Demo",
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"pageName": "bridge-demo",
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"pageTitle": "Bridge Demo",
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"locale": "zh-CN",
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"i18n": {},
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"isDark": false
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}
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```
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上下文相关 API:
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| API | 返回值 | 说明 |
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| --- | --- | --- |
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| `ready()` | `Promise<context>` | 等待 bridge 就绪并返回初始上下文 |
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| `getContext()` | `context \| null` | 同步读取最近一次上下文 |
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| `getLocale()` | `string` | 当前 WebUI 语言,默认 `zh-CN` |
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| `getI18n()` | `object` | 当前插件 i18n 资源 |
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| `t(key, fallback)` | `string` | 按点分隔 key 读取翻译,缺失时返回 fallback |
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| `onContext(handler)` | `() => void` | 监听上下文变化,返回取消监听函数 |
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监听语言或主题变化:
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```js
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function render() {
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document.title = bridge.t("pages.bridge-demo.title", "Bridge Demo");
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document.getElementById("locale").textContent = bridge.getLocale();
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}
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await bridge.ready();
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render();
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const off = bridge.onContext(render);
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window.addEventListener("beforeunload", off);
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```
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### 请求和返回值规则
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`apiGet`、`apiPost`、`upload`、`download`、`subscribeSSE` 的 `endpoint` 都是插件内相对路径,例如 `stats`、`settings/save`、`files/export`。推荐不要以 `/` 开头;当前 bridge 会为了兼容旧写法去掉开头的 `/`。
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`endpoint` 不能是空字符串,不能包含 `\`、URL scheme、query、hash,也不能包含空路径片段、`.` 或 `..`。
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不要把 query string 拼进 endpoint:
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```js
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await bridge.apiGet("stats", { limit: 20 });
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```
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bridge 对 JSON 类请求的返回值有一个兼容规则:
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- 如果后端返回 `{ "status": "ok", "data": value }`,Promise resolve 为 `value`。
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- 如果后端返回普通 JSON,例如 `{ "message": "pong" }`,Promise resolve 为完整 JSON。
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- 如果后端返回 `{ "status": "error", "message": "..." }`,或 HTTP 请求失败,Promise reject 为 `Error`。
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因此 Page-only API 推荐直接返回业务 JSON:
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```python
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return json_response({"message": "pong"})
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```
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需要表达错误时使用:
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```python
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return error_response("missing file", status_code=400)
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```
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Page 端统一捕获错误:
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```js
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try {
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await bridge.apiPost("settings/save", { enabled: true });
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} catch (error) {
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console.error(error.message);
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}
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```
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### `apiGet(endpoint, params)`
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发送 GET 请求。`params` 会作为 query 参数传递。
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```js
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const stats = await bridge.apiGet("stats", { limit: 20, tag: "today" });
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```
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后端读取:
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```python
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async def stats(self):
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limit = request.query.get("limit", 20, type=int)
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tag = request.query.get("tag")
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return json_response({"limit": limit, "tag": tag})
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```
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### `apiPost(endpoint, body)`
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发送 POST JSON 请求。
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```js
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const result = await bridge.apiPost("settings/save", {
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enabled: true,
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threshold: 0.8,
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});
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```
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后端读取:
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```python
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async def save_settings(self):
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payload = await request.json(default={})
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return json_response({"saved": True, "enabled": payload.get("enabled")})
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```
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### `upload(endpoint, file)`
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以 `multipart/form-data` 上传单个文件,字段名固定为 `file`。
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```js
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const input = document.querySelector("input[type=file]");
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const file = input.files[0];
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const result = await bridge.upload("files/import", file);
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```
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后端读取:
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|
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```python
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from astrbot.api.web import PluginUploadFile, error_response, json_response, request
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async def import_file(self):
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files = await request.files()
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upload: PluginUploadFile | None = files.get("file")
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if not isinstance(upload, PluginUploadFile):
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return error_response("missing file", status_code=400)
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return json_response({"filename": upload.filename})
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```
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|
||
如果还需要普通字段,请单独使用 `apiPost` 传配置,或在后端根据 query 参数区分导入行为。当前 bridge 的 `upload()` 只发送一个文件。
|
||
|
||
### `download(endpoint, params, filename)`
|
||
|
||
请求插件后端文件接口并触发浏览器下载。`params` 会作为 query 参数发送;`filename` 可选,缺省时 bridge 会尝试从响应头读取文件名。
|
||
|
||
```js
|
||
await bridge.download("files/export", { format: "json" }, "export.json");
|
||
```
|
||
|
||
后端返回文件:
|
||
|
||
```python
|
||
async def export_file(self):
|
||
fmt = request.query.get("format", "json")
|
||
return file_response(
|
||
export_path,
|
||
filename=f"export.{fmt}",
|
||
content_type="application/json",
|
||
)
|
||
```
|
||
|
||
`download()` resolve 为:
|
||
|
||
```json
|
||
{ "filename": "export.json" }
|
||
```
|
||
|
||
### `subscribeSSE(endpoint, handlers, params)`
|
||
|
||
订阅插件后端 SSE,返回 `Promise<subscriptionId>`。`handlers` 可以包含 `onOpen`、`onMessage`、`onError`。
|
||
|
||
```js
|
||
const subscriptionId = await bridge.subscribeSSE(
|
||
"events",
|
||
{
|
||
onOpen() {
|
||
console.log("SSE opened");
|
||
},
|
||
onMessage(event) {
|
||
console.log(event.raw, event.parsed, event.lastEventId);
|
||
},
|
||
onError() {
|
||
console.warn("SSE error");
|
||
},
|
||
},
|
||
{ topic: "logs" },
|
||
);
|
||
```
|
||
|
||
`event.raw` 是原始字符串;如果内容是 JSON 字符串,`event.parsed` 会自动解析,否则等于原始字符串。`event.eventType` 对应 SSE 的 `event:` 字段,未设置时为 `message`。
|
||
|
||
后端必须返回 `text/event-stream`:
|
||
|
||
```python
|
||
async def events(self):
|
||
async def stream():
|
||
yield 'data: {"message": "ready"}\n\n'
|
||
|
||
return stream_response(stream())
|
||
```
|
||
|
||
取消订阅:
|
||
|
||
```js
|
||
await bridge.unsubscribeSSE(subscriptionId);
|
||
```
|
||
|
||
页面卸载时建议清理:
|
||
|
||
```js
|
||
window.addEventListener("beforeunload", () => {
|
||
bridge.unsubscribeSSE(subscriptionId);
|
||
});
|
||
```
|
||
|
||
## Page 国际化
|
||
|
||
插件 Pages 复用插件 i18n 资源文件。给 `.astrbot-plugin/i18n/<locale>.json` 增加 `pages.<page_name>`:
|
||
|
||
```json
|
||
{
|
||
"pages": {
|
||
"bridge-demo": {
|
||
"title": "Bridge 演示页",
|
||
"description": "演示插件页面如何读取 WebUI 语言和翻译资源。",
|
||
"heading": "插件页面",
|
||
"refresh": "重新渲染"
|
||
}
|
||
}
|
||
}
|
||
```
|
||
|
||
`title` 用于 WebUI 外壳标题和插件详情页的 Page 组件名称;`description` 用于插件详情页的 Page 组件描述。Page 内部使用 `bridge.t()` 渲染文案,并通过 `onContext()` 响应语言切换。
|
||
|
||
```js
|
||
function render() {
|
||
document.title = bridge.t("pages.bridge-demo.title", "Bridge Demo");
|
||
document.getElementById("heading").textContent = bridge.t(
|
||
"pages.bridge-demo.heading",
|
||
"Plugin Page",
|
||
);
|
||
}
|
||
|
||
await bridge.ready();
|
||
render();
|
||
bridge.onContext(render);
|
||
```
|
||
|
||
## 亮暗主题
|
||
|
||
AstrBot 会把当前主题同步给插件 Page。bridge SDK 会维护 `<html>` 的 `data-theme` 属性:
|
||
|
||
- 亮色模式:`<html data-theme="light">`
|
||
- 暗色模式:`<html data-theme="dark">`
|
||
|
||
选择“跟随系统”时,Page 收到的值仍然是 `light` 或 `dark`。
|
||
|
||
推荐使用 CSS 变量:
|
||
|
||
```css
|
||
:root {
|
||
--bg: #ffffff;
|
||
--text: #1a1a1a;
|
||
}
|
||
|
||
[data-theme="dark"] {
|
||
--bg: #1a1a1a;
|
||
--text: #e0e0e0;
|
||
}
|
||
|
||
body {
|
||
background: var(--bg);
|
||
color: var(--text);
|
||
}
|
||
```
|
||
|
||
服务端返回 HTML 时会预先注入 `data-theme`,减少初始闪烁。需要在 JavaScript 中响应主题变化时,读取 `bridge.getContext()?.isDark` 并监听 `onContext()`。
|
||
|
||
## 静态资源路径
|
||
|
||
正常使用相对路径即可:
|
||
|
||
```html
|
||
<link rel="stylesheet" href="./style.css" />
|
||
<script type="module" src="./app.js"></script>
|
||
<img src="./assets/logo.svg" alt="" />
|
||
```
|
||
|
||
AstrBot 会重写相对资源路径并追加短期 `asset_token`。不要手动拼接 `/api/plugin/page/content/...`,不要自行追加 `asset_token`,也不要依赖 `..` 逃逸 Page 根目录。
|
||
|
||
会被重写的资源引用包括:
|
||
|
||
- HTML `src` 和 `href`
|
||
- CSS `url(...)`
|
||
- JavaScript `import`
|
||
- JavaScript `export ... from`
|
||
- JavaScript 动态 `import()`
|
||
|
||
如果构建 SPA,建议使用 hash routing。静态资源服务按真实文件路径解析;history routing 刷新页面时需要对应路径上真的存在文件。
|
||
|
||
## 安全约束
|
||
|
||
插件 Pages 运行在受限 iframe 中:
|
||
|
||
```text
|
||
allow-scripts allow-forms allow-downloads
|
||
```
|
||
|
||
Page 不能直接访问 Dashboard cookies、LocalStorage 或父页面 DOM,也不能绕过 bridge 复用 Dashboard auth。所有需要 Dashboard 身份的操作都应该走 bridge。
|
||
|
||
资源响应会带上安全头,包括:
|
||
|
||
- `X-Frame-Options: SAMEORIGIN`
|
||
- `Content-Security-Policy: frame-ancestors 'self'; object-src 'none'; base-uri 'self'`
|
||
- `Cache-Control: no-store`
|
||
- `X-Content-Type-Options: nosniff`
|
||
|
||
后端 handler 仍然要验证输入。不要信任 Page 传来的路径、文件名、格式或数值范围;文件落盘时应使用安全目录,并对文件名做白名单或重新命名。
|
||
|
||
## 调试建议
|
||
|
||
- Page 没出现:检查 `pages/<page_name>/index.html` 是否存在、插件是否启用、插件详情页是否已刷新。
|
||
- bridge 不存在:确认脚本在 bridge SDK 注入之后运行;推荐使用外部 `type="module"` 脚本。
|
||
- API 未匹配:确认注册路由包含插件名前缀,例如 `/{PLUGIN_NAME}/stats`,而 Page 端 endpoint 是 `stats`。
|
||
- query 或 JSON 为空:GET 参数放到 `apiGet(endpoint, params)`,POST JSON 放到 `apiPost(endpoint, body)`。
|
||
- 文件上传为空:`upload()` 字段名固定为 `file`,后端用 `(await request.files()).get("file")` 读取。
|
||
- SSE 没消息:确认后端响应是 `text/event-stream`,每条消息以空行结尾,例如 `data: ...\n\n`。
|
||
- SSE 401:不要在 Page 中直接 `new EventSource("/api/v1/...")`,原生 `EventSource` 不能携带 `Authorization` header;请通过 `bridge.subscribeSSE()` 调用。
|