mirror of
https://github.com/AstrBotDevs/AstrBot
synced 2026-07-17 17:51:20 +08:00
0d8e8682db
* 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
19 KiB
Markdown
653 lines
19 KiB
Markdown
# Plugin Pages
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Plugin Pages let a plugin provide its own pages inside the AstrBot WebUI. Page files live under the plugin's `pages/` directory and are loaded by the Dashboard in a restricted iframe. Page scripts communicate with the Dashboard through the `window.AstrBotPluginPage` bridge, and the Dashboard forwards backend calls to Web APIs registered by the plugin.
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If you only need a small set of editable settings, prefer [`_conf_schema.json`](./plugin-config.md). Pages are a better fit for complex forms, runtime dashboards, logs, file upload/download, SSE streams, charts, and other custom workflows.
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## Directory Layout
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Each direct child directory under `pages/` is one Page. AstrBot only discovers `pages/<page_name>/index.html`; directories without `index.html` are ignored.
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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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Use simple directory names for `page_name`, such as `settings` or `bridge-demo`. Do not use an empty name, `.`, `..`, a name starting with `.`, or a name containing `/` or `\`.
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Users open Pages from the plugin detail page in the WebUI.
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## Development Flow
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1. Create `pages/<page_name>/index.html` in the plugin directory.
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2. Use the `window.AstrBotPluginPage` bridge from the Page.
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3. Register backend APIs with `context.register_web_api()` in `main.py`.
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4. Read requests and return responses with `astrbot.api.web`.
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5. Reload the plugin after adding or removing Page directories; refreshing the Page is usually enough for static asset edits.
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## Minimal Complete Example
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### Backend
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Plugin backend code should use `astrbot.api.web`. Avoid exposing raw FastAPI, Starlette, or Quart request objects as the public API for your plugin business logic.
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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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### Frontend
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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="en">
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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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You do not need to import the bridge SDK manually. AstrBot injects `/api/plugin/page/bridge-sdk.js` into returned HTML. If an inline script must access `window.AstrBotPluginPage` synchronously, move it to an external module file or explicitly include the SDK before your script:
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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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## Backend Web APIs
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### Route Registration
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Register plugin APIs with `context.register_web_api(route, view_handler, methods, desc)`.
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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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The registered route must include the plugin name prefix. The bridge endpoint used by the Page does not include the plugin name:
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```js
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await bridge.apiGet("items/123");
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```
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The Dashboard forwards it to:
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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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The registered route `/<plugin_name>/items/<item_id>` matches the request, and `item_id` is passed to the handler as a keyword argument:
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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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Supported dynamic segments:
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- `<name>`: matches one path segment.
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- `<path:name>`: matches the remaining multi-segment path.
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### Request Object
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Recommended import:
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```python
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from astrbot.api.web import request
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```
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`request` is a context proxy for the current request and is only available while a plugin Web API handler is running. Common fields and methods:
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| API | Description |
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| --- | --- |
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| `request.method` | HTTP method, such as `GET` or `POST` |
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| `request.path` | Current Dashboard API path |
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| `request.plugin_name` | Plugin name parsed from the extension path |
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| `request.username` | Current Dashboard username, possibly `None` |
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| `request.headers` | Request headers |
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| `request.cookies` | Request cookies |
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| `request.content_type` | Request Content-Type |
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| `request.client_host` | Client address |
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| `request.path_params` | Dynamic route parameters |
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| `request.query` | Query parameters with `get()` and `getlist()` |
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| `await request.body()` | Raw request body bytes |
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| `await request.json(default={})` | JSON body, returning default on parse failure |
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| `await request.form()` | Form fields without uploaded files |
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| `await request.files()` | Uploaded files |
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Query example:
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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 example:
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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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Upload example:
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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()` and `request.files()` cache the parsed multipart data, so calling both in the same handler is fine.
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### Responses
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Recommended response helpers:
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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 response:
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```python
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return json_response({"saved": True})
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```
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Error response:
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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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File download response:
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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 response:
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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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Returning a `dict`, `list`, `(body, status_code)`, or a lower-level Response object still works. New plugins should prefer `astrbot.api.web` helpers so plugin code remains decoupled from the Dashboard's internal web framework.
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### Quart Compatibility
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For backward compatibility, handlers registered through `context.register_web_api()` still run inside a Quart-compatible request context. Existing plugins can continue to use:
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```python
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from quart import jsonify, request
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```
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New plugins and new documentation should use:
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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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Do not mix the two `request` proxies in the same handler. Migrate one handler at a time.
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## Bridge API
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The Page iframe cannot directly access Dashboard cookies, LocalStorage, or the parent DOM. Page scripts must use `window.AstrBotPluginPage` to call backend APIs and read context.
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```js
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const bridge = window.AstrBotPluginPage;
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```
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### Context
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`ready()` waits for the parent page to send the initial context and returns `Promise<context>`. Wait for it during page initialization.
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```js
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const context = await bridge.ready();
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```
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The context usually contains:
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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": "en-US",
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"i18n": {},
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"isDark": false
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}
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```
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Context APIs:
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| API | Returns | Description |
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| --- | --- | --- |
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| `ready()` | `Promise<context>` | Waits until the bridge is ready and returns the initial context |
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| `getContext()` | `context \| null` | Synchronously reads the latest context |
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| `getLocale()` | `string` | Current WebUI locale, defaulting to `zh-CN` |
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| `getI18n()` | `object` | Current plugin i18n resources |
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| `t(key, fallback)` | `string` | Reads a dot-separated translation key, returning fallback when missing |
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| `onContext(handler)` | `() => void` | Listens for context changes and returns an unsubscribe function |
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Respond to locale or theme changes:
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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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### Request and Return Rules
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The `endpoint` used by `apiGet`, `apiPost`, `upload`, `download`, and `subscribeSSE` is a plugin-local relative path, such as `stats`, `settings/save`, or `files/export`. Prefer not to start it with `/`; the current bridge strips leading `/` for compatibility.
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`endpoint` must not be empty, contain `\`, contain a URL scheme, contain query strings or fragments, or contain empty, `.`, or `..` path segments.
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Do not append query strings to 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 JSON calls use this compatibility rule:
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- If the backend returns `{ "status": "ok", "data": value }`, the Promise resolves to `value`.
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- If the backend returns plain JSON, such as `{ "message": "pong" }`, the Promise resolves to that full JSON body.
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- If the backend returns `{ "status": "error", "message": "..." }`, or the HTTP request fails, the Promise rejects with `Error`.
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For Page-only APIs, prefer returning plain business JSON:
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```python
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return json_response({"message": "pong"})
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```
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Use this for errors:
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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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Handle errors on the Page:
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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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Sends a GET request. `params` are sent as query parameters.
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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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Backend:
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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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Sends a POST JSON request.
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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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Backend:
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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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Uploads one file as `multipart/form-data`. The field name is always `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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Backend:
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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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If you need extra structured fields, send them through a separate `apiPost` call or use query parameters to select import behavior. The current `upload()` bridge method sends one file.
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### `download(endpoint, params, filename)`
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Requests a plugin backend file endpoint and triggers a browser download. `params` are sent as query parameters. `filename` is optional; when omitted, the bridge tries to read it from response headers.
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```js
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await bridge.download("files/export", { format: "json" }, "export.json");
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```
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Backend:
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```python
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async def export_file(self):
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fmt = request.query.get("format", "json")
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return file_response(
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export_path,
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filename=f"export.{fmt}",
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content_type="application/json",
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)
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```
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`download()` resolves to:
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```json
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{ "filename": "export.json" }
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```
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### `subscribeSSE(endpoint, handlers, params)`
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Subscribes to plugin backend SSE and returns `Promise<subscriptionId>`. `handlers` may include `onOpen`, `onMessage`, and `onError`.
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```js
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const subscriptionId = await bridge.subscribeSSE(
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"events",
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{
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onOpen() {
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console.log("SSE opened");
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},
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onMessage(event) {
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console.log(event.raw, event.parsed, event.lastEventId);
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},
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onError() {
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console.warn("SSE error");
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},
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},
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{ topic: "logs" },
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);
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```
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`event.raw` is the raw string. If the message is a JSON string, `event.parsed` is parsed automatically; otherwise it equals the raw string. `event.eventType` matches the SSE `event:` field and defaults to `message`.
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The backend must return `text/event-stream`:
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```python
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async def events(self):
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async def stream():
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yield 'data: {"message": "ready"}\n\n'
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return stream_response(stream())
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```
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Unsubscribe:
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```js
|
|
await bridge.unsubscribeSSE(subscriptionId);
|
|
```
|
|
|
|
Clean up on unload:
|
|
|
|
```js
|
|
window.addEventListener("beforeunload", () => {
|
|
bridge.unsubscribeSSE(subscriptionId);
|
|
});
|
|
```
|
|
|
|
## Page Internationalization
|
|
|
|
Plugin Pages reuse plugin i18n resource files. Add `pages.<page_name>` to `.astrbot-plugin/i18n/<locale>.json`:
|
|
|
|
```json
|
|
{
|
|
"pages": {
|
|
"bridge-demo": {
|
|
"title": "Bridge Demo",
|
|
"description": "Shows how a plugin page reads the WebUI locale and translations.",
|
|
"heading": "Plugin Page",
|
|
"refresh": "Render again"
|
|
}
|
|
}
|
|
}
|
|
```
|
|
|
|
`title` is used by the WebUI shell title and the Page component name on the plugin detail page. `description` is used by the Page component description. Inside the Page, render text with `bridge.t()` and react to locale changes with `onContext()`.
|
|
|
|
```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);
|
|
```
|
|
|
|
## Light/Dark Theme
|
|
|
|
AstrBot syncs the current theme to Plugin Pages. The bridge SDK maintains a `data-theme` attribute on `<html>`:
|
|
|
|
- Light mode: `<html data-theme="light">`
|
|
- Dark mode: `<html data-theme="dark">`
|
|
|
|
When **Follow System** is selected, the Page still receives either `light` or `dark`.
|
|
|
|
CSS variables are recommended:
|
|
|
|
```css
|
|
:root {
|
|
--bg: #ffffff;
|
|
--text: #1a1a1a;
|
|
}
|
|
|
|
[data-theme="dark"] {
|
|
--bg: #1a1a1a;
|
|
--text: #e0e0e0;
|
|
}
|
|
|
|
body {
|
|
background: var(--bg);
|
|
color: var(--text);
|
|
}
|
|
```
|
|
|
|
The server injects `data-theme` into returned HTML to reduce initial flashing. If JavaScript needs to react to theme changes, read `bridge.getContext()?.isDark` and listen with `onContext()`.
|
|
|
|
## Static Asset Paths
|
|
|
|
Use normal relative paths:
|
|
|
|
```html
|
|
<link rel="stylesheet" href="./style.css" />
|
|
<script type="module" src="./app.js"></script>
|
|
<img src="./assets/logo.svg" alt="" />
|
|
```
|
|
|
|
AstrBot rewrites relative asset URLs and appends a short-lived `asset_token`. Do not hardcode `/api/plugin/page/content/...`, append `asset_token` yourself, or rely on `..` to escape the Page root.
|
|
|
|
AstrBot rewrites:
|
|
|
|
- HTML `src` and `href`
|
|
- CSS `url(...)`
|
|
- JavaScript `import`
|
|
- JavaScript `export ... from`
|
|
- JavaScript dynamic `import()`
|
|
|
|
If you build a SPA, prefer hash routing. The static asset server resolves real file paths; with history routing, refreshing a page requires a real file at that path.
|
|
|
|
## Security Constraints
|
|
|
|
Plugin Pages run inside a restricted iframe:
|
|
|
|
```text
|
|
allow-scripts allow-forms allow-downloads
|
|
```
|
|
|
|
The Page cannot directly access Dashboard cookies, LocalStorage, or the parent DOM, and it cannot bypass the bridge to reuse Dashboard auth. All operations that need Dashboard identity should go through the bridge.
|
|
|
|
Asset responses include security headers such as:
|
|
|
|
- `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`
|
|
|
|
Backend handlers must still validate input. Do not trust paths, filenames, formats, or numeric ranges sent by the Page. Store files only in safe directories and prefer whitelisted or regenerated filenames.
|
|
|
|
## Debugging Tips
|
|
|
|
- Page is missing: check that `pages/<page_name>/index.html` exists, the plugin is enabled, and the plugin detail page has been refreshed.
|
|
- Bridge is missing: make sure your script runs after the bridge SDK is injected; external `type="module"` scripts are recommended.
|
|
- API is not matched: make sure the registered route includes the plugin name prefix, such as `/{PLUGIN_NAME}/stats`, while the Page endpoint is `stats`.
|
|
- Query or JSON is empty: pass GET values through `apiGet(endpoint, params)` and POST JSON through `apiPost(endpoint, body)`.
|
|
- Upload is empty: `upload()` always uses the field name `file`; read it with `(await request.files()).get("file")`.
|
|
- SSE has no messages: make sure the backend response is `text/event-stream` and each message ends with a blank line, such as `data: ...\n\n`.
|
|
- SSE returns 401: do not call `new EventSource("/api/v1/...")` directly from the Page. Native `EventSource` cannot send the `Authorization` header; call through `bridge.subscribeSSE()` instead.
|