AstrBot

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Plugin Pages ​

AstrBot lets a plugin expose Dashboard pages by placing static assets under pages/. Each direct child directory is one Page:

text
astrbot_plugin_page_demo/
├─ main.py
└─ pages/
   ├─ bridge-demo/
   │  ├─ index.html
   │  ├─ app.js
   │  ├─ style.css
   │  └─ assets/
   │     └─ logo.svg
   └─ settings/
      └─ index.html

AstrBot scans pages/<page_name>/index.html; directories without index.html are ignored.

If you only need a few editable settings, prefer _conf_schema.json. Plugin Pages are more suitable for complex forms, dashboards, logs, file transfer, SSE, and custom interaction flows.

Once Pages are registered, users can open the AstrBot WebUI Plugins page, click the plugin card to enter the plugin detail page, and then view and open the registered Pages from that detail page.

Minimal Frontend Example ​

pages/bridge-demo/index.html

html
<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>Plugin Page Demo</title>
    <link rel="stylesheet" href="./style.css" />
  </head>
  <body>
    <button id="ping">Ping</button>
    <pre id="output"></pre>
    <script type="module" src="./app.js"></script>
  </body>
</html>

pages/bridge-demo/app.js

js
const bridge = window.AstrBotPluginPage;
const output = document.getElementById("output");

const context = await bridge.ready();
output.textContent = JSON.stringify(context, null, 2);

document.getElementById("ping").addEventListener("click", async () => {
  const result = await bridge.apiGet("ping");
  output.textContent = JSON.stringify(result, null, 2);
});

You do not need to import the bridge SDK manually. AstrBot injects /api/plugin/page/bridge-sdk.js into returned HTML.

Register Backend APIs ​

When the frontend calls bridge.apiGet("ping"), the Dashboard forwards it to:

text
/api/plug/<plugin_name>/ping

The registered Web API route must include the plugin name as a prefix:

python
from quart import jsonify
from astrbot.api.star import Context, Star

PLUGIN_NAME = "astrbot_plugin_page_demo"


class MyPlugin(Star):
    def __init__(self, context: Context):
        super().__init__(context)
        context.register_web_api(
            f"/{PLUGIN_NAME}/ping",
            self.page_ping,
            ["GET"],
            "Page ping",
        )

    async def page_ping(self):
        return jsonify({"message": "pong"})

Bridge API ​

Inside a plugin Page, use window.AstrBotPluginPage directly:

  • ready(): Wait until the bridge is ready and return the context
  • getContext(): Read the current context
  • apiGet(endpoint, params): Send a GET request
  • apiPost(endpoint, body): Send a POST request
  • upload(endpoint, file): Upload one file as multipart/form-data
  • download(endpoint, params, filename): Download a backend response
  • subscribeSSE(endpoint, handlers, params): Subscribe to SSE
  • unsubscribeSSE(subscriptionId): Cancel an SSE subscription

The current ready() context looks like this:

json
{
  "pluginName": "astrbot_plugin_page_demo",
  "displayName": "Plugin Page Demo"
}

endpoint must be a plugin-local path. It must not be empty, contain \, contain a URL scheme, contain query strings or fragments, or contain . / .. path segments.

Asset Path Rules ​

AstrBot rewrites relative asset URLs and appends a short-lived asset_token. Write normal relative paths and do not hardcode /api/plugin/page/content/... yourself.

AstrBot rewrites:

  • HTML src and href
  • CSS url(...)
  • JavaScript import
  • JavaScript export ... from
  • JavaScript dynamic import()

Keep static assets on relative paths such as ./style.css and ./assets/logo.svg. Do not manually append asset_token, and do not rely on .. to escape the Page root directory.

If you build a SPA, prefer hash routing. The static asset server resolves real file paths; with history routing, refreshing a page requires an actual file to exist 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 same-origin DOM, and it cannot bypass the bridge to reuse Dashboard auth directly.

AstrBot also adds security headers to asset responses, including:

  • X-Frame-Options: SAMEORIGIN
  • Content-Security-Policy: frame-ancestors 'self'; object-src 'none'; base-uri 'self'
  • Cache-Control: no-store

Debugging Tips ​

  • Reload the plugin after adding or removing a Page directory
  • For most edits under pages/<page_name>/, refreshing the Page is enough
  • If a Page does not appear, check that pages/<page_name>/index.html exists and the plugin is enabled

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