firebase-tools/lib/mcp/tools/database/get_rules.js

Command-Line Interface for Firebase

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.get_rules = void 0;
const zod_1 = require("zod");
const apiv2_1 = require("../../../apiv2");
const tool_1 = require("../../tool");
const util_1 = require("../../util");
exports.get_rules = (0, tool_1.tool)({
    name: "get_rules",
    description: "Get an RTDB database's rules",
    inputSchema: zod_1.z.object({
        databaseUrl: zod_1.z
            .string()
            .optional()
            .describe("connect to the database at url. If omitted, use default database instance <project>-default-rtdb.firebaseio.com. Can point to emulator URL (e.g. localhost:6000/<instance>)"),
    }),
    annotations: {
        title: "Get Realtime Database rules",
        readOnlyHint: true,
    },
    _meta: {
        requiresAuth: false,
        requiresProject: false,
    },
}, async ({ databaseUrl }, { projectId }) => {
    const dbUrl = databaseUrl !== null && databaseUrl !== void 0 ? databaseUrl : `https://${projectId}-default-rtdb.us-central1.firebasedatabase.app`;
    const client = new apiv2_1.Client({ urlPrefix: dbUrl });
    const response = await client.request({
        method: "GET",
        path: "/.settings/rules.json",
        responseType: "stream",
        resolveOnHTTPError: true,
    });
    if (response.status !== 200) {
        return (0, util_1.mcpError)(`Failed to fetch current rules. Code: ${response.status}`);
    }
    const rules = await response.response.text();
    return (0, util_1.toContent)(rules);
});