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feat: browser graph

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This commit is contained in:
authentik Default Admin
2026-04-04 00:13:38 +02:00
parent 285825fff7
commit e5c9c00d2f
9 changed files with 809 additions and 3 deletions
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245
backend/browse.py Normal file
View File

@@ -0,0 +1,245 @@
"""Network browser — discovers NomadNet nodes and fetches pages via Reticulum.
Starts an RNS transport on FastAPI startup, listens for NomadNet node
announces, and exposes discovered nodes + remote page fetching via API.
"""
from __future__ import annotations
import asyncio
import logging
import os
import threading
import time
from pathlib import Path
from fastapi import APIRouter, Query
router = APIRouter()
log = logging.getLogger("browse")
# ---------------------------------------------------------------------------
# Module-level state
# ---------------------------------------------------------------------------
_nodes: dict[str, dict] = {} # hash_hex -> node info
_own_hash: str | None = None
_own_name: str = os.environ.get("NOMADNET_NODE_NAME", "Micronomicon")
_lock = threading.Lock()
_started = False
# ---------------------------------------------------------------------------
# RNS lifecycle
# ---------------------------------------------------------------------------
def start_browser() -> None:
"""Initialize RNS and begin listening for NomadNet node announces."""
global _started, _own_hash
if _started:
return
try:
import RNS
configdir = os.environ.get("RNS_CONFIG_DIR", None)
if configdir:
Path(configdir).mkdir(parents=True, exist_ok=True)
reticulum = RNS.Reticulum(configdir=configdir)
# Register handler for NomadNet page-serving node announces
RNS.Transport.register_announce_handler(
_on_announce,
aspect_filter="nomadnetwork.node",
)
_started = True
log.info("RNS browser started (v%s)", RNS.__version__)
except Exception as exc:
log.warning("Failed to start RNS browser: %s", exc)
def _on_announce(
destination_hash: bytes,
announced_identity,
app_data: bytes | None,
) -> None:
"""Handle an incoming NomadNet node announce."""
import RNS
hash_hex = RNS.hexrep(destination_hash, delimit=False)
name = hash_hex[:12]
if app_data:
try:
name = app_data.decode("utf-8")
except Exception:
pass
is_self = name == _own_name
with _lock:
_nodes[hash_hex] = {
"hash": hash_hex,
"name": name,
"last_seen": time.time(),
"is_self": is_self,
}
if is_self:
global _own_hash
_own_hash = hash_hex
log.info("Node announce: %s (%s)%s", name, hash_hex[:8], " [self]" if is_self else "")
# ---------------------------------------------------------------------------
# API endpoints
# ---------------------------------------------------------------------------
@router.get("/browse/nodes")
async def list_nodes():
"""Return all discovered NomadNet page-serving nodes."""
with _lock:
nodes = list(_nodes.values())
# Ensure the user's own node is always present
if not any(n["is_self"] for n in nodes):
nodes.insert(0, {
"hash": _own_hash or "self",
"name": _own_name,
"last_seen": time.time(),
"is_self": True,
})
return nodes
@router.get("/browse/page/{hash_hex}")
async def get_remote_page(hash_hex: str, path: str = Query("index.mu")):
"""Fetch a Micron page from a node.
For the user's own node reads from the local pages directory.
For remote nodes establishes an RNS link and requests the page.
"""
# Own node → read from disk
with _lock:
node = _nodes.get(hash_hex)
if (node and node.get("is_self")) or hash_hex == "self":
return _read_local_page(path)
# Remote node → RNS request
content = await _request_remote_page(hash_hex, path)
if content is None:
return {"content": None, "error": "Could not reach node"}
return {"content": content}
# ---------------------------------------------------------------------------
# Local page reader
# ---------------------------------------------------------------------------
def _read_local_page(path: str) -> dict:
pages_dir = os.environ.get("PAGES_DIR", str(Path.home() / ".nomadnetwork/storage/pages"))
filepath = Path(pages_dir) / path
try:
return {"content": filepath.read_text()}
except FileNotFoundError:
return {"content": None, "error": "Page not found"}
# ---------------------------------------------------------------------------
# Remote page fetcher (RNS link + request/response)
# ---------------------------------------------------------------------------
async def _request_remote_page(hash_hex: str, path: str) -> str | None:
"""Establish an RNS link to a remote NomadNet node and request a page."""
try:
import RNS
except ImportError:
return None
loop = asyncio.get_event_loop()
future: asyncio.Future[str | None] = loop.create_future()
def _do_request():
try:
dest_hash = bytes.fromhex(hash_hex)
# Ensure path to destination is known
if not RNS.Transport.has_path(dest_hash):
RNS.Transport.request_path(dest_hash)
deadline = time.time() + 10
while time.time() < deadline:
if RNS.Transport.has_path(dest_hash):
break
time.sleep(0.1)
else:
loop.call_soon_threadsafe(future.set_result, None)
return
identity = RNS.Identity.recall(dest_hash)
if not identity:
loop.call_soon_threadsafe(future.set_result, None)
return
dest = RNS.Destination(
identity,
RNS.Destination.OUT,
RNS.Destination.SINGLE,
"nomadnetwork",
"node",
)
link = RNS.Link(dest)
# Wait for link to become active
deadline = time.time() + 15
while time.time() < deadline:
if link.status == RNS.Link.ACTIVE:
break
time.sleep(0.1)
else:
link.teardown()
loop.call_soon_threadsafe(future.set_result, None)
return
# Request the page via NomadNet's protocol
def on_response(request_receipt):
try:
resp = request_receipt.response
if resp is not None:
content = resp.decode("utf-8") if isinstance(resp, bytes) else str(resp)
loop.call_soon_threadsafe(future.set_result, content)
else:
loop.call_soon_threadsafe(future.set_result, None)
except Exception:
loop.call_soon_threadsafe(future.set_result, None)
finally:
link.teardown()
def on_failed(request_receipt):
if not future.done():
loop.call_soon_threadsafe(future.set_result, None)
link.teardown()
link.request(
"/page/" + path,
response_callback=on_response,
failed_callback=on_failed,
)
except Exception as exc:
log.warning("Remote page request failed: %s", exc)
if not future.done():
loop.call_soon_threadsafe(future.set_result, None)
# Run blocking RNS operations in a thread
threading.Thread(target=_do_request, daemon=True).start()
try:
return await asyncio.wait_for(future, timeout=30.0)
except asyncio.TimeoutError:
return None

3
backend/main.py
View File

@@ -7,17 +7,20 @@ from fastapi.staticfiles import StaticFiles
from pages import router as pages_router, ensure_default_pages
from docker_utils import router as docker_router
from converter import router as converter_router
from browse import router as browse_router, start_browser
app = FastAPI(title="µFrame Editor")
app.include_router(converter_router, prefix="/api")
app.include_router(pages_router, prefix="/api")
app.include_router(docker_router, prefix="/api")
app.include_router(browse_router, prefix="/api")
@app.on_event("startup")
async def startup():
ensure_default_pages()
start_browser()
@app.get("/api/health")

6
backend/package-lock.json generated Normal file
View File

@@ -0,0 +1,6 @@
{
"name": "backend",
"lockfileVersion": 3,
"requires": true,
"packages": {}
}

1
backend/requirements.txt
View File

@@ -4,3 +4,4 @@ docker>=7.0
Pillow>=10.0
python-multipart>=0.0.6
md2txt @ git+https://codeberg.org/randogoth/md2txt
rns>=0.9.3

132
frontend/package-lock.json generated
View File

@@ -16,6 +16,7 @@
"@codemirror/search": "^6.6.0",
"@codemirror/state": "^6.6.0",
"@codemirror/view": "^6.40.0",
"@cosmos.gl/graph": "^2.6.4",
"@dagrejs/dagre": "^3.0.0",
"@fontsource-variable/geist": "^5.2.8",
"@fontsource-variable/jetbrains-mono": "^5.2.8",
@@ -663,6 +664,31 @@
"w3c-keyname": "^2.2.4"
}
},
"node_modules/@cosmos.gl/graph": {
"version": "2.6.4",
"resolved": "https://registry.npmjs.org/@cosmos.gl/graph/-/graph-2.6.4.tgz",
"integrity": "sha512-i+N9lSpAjGLTUPelo/bKNbQnKPDqt3k2UnRlfIWe2Lrambc4J3QFgOfpR8AalQ/1tgLRoeNtVBZ1GPpsNqae5w==",
"license": "MIT",
"dependencies": {
"d3-array": "^3.2.0",
"d3-color": "^3.1.0",
"d3-drag": "^3.0.0",
"d3-ease": "^3.0.1",
"d3-scale": "^4.0.2",
"d3-selection": "^3.0.0",
"d3-transition": "^3.0.1",
"d3-zoom": "^3.0.0",
"dompurify": "^3.2.6",
"gl-bench": "^1.0.42",
"gl-matrix": "^3.4.3",
"random": "^4.1.0",
"regl": "^2.1.0"
},
"engines": {
"node": ">=12.2.0",
"npm": ">=7.0.0"
}
},
"node_modules/@dagrejs/dagre": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/@dagrejs/dagre/-/dagre-3.0.0.tgz",
@@ -3290,6 +3316,18 @@
"devOptional": true,
"license": "MIT"
},
"node_modules/d3-array": {
"version": "3.2.4",
"resolved": "https://registry.npmjs.org/d3-array/-/d3-array-3.2.4.tgz",
"integrity": "sha512-tdQAmyA18i4J7wprpYq8ClcxZy3SC31QMeByyCFyRt7BVHdREQZ5lpzoe5mFEYZUWe+oq8HBvk9JjpibyEV4Jg==",
"license": "ISC",
"dependencies": {
"internmap": "1 - 2"
},
"engines": {
"node": ">=12"
}
},
"node_modules/d3-color": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
@@ -3330,6 +3368,15 @@
"node": ">=12"
}
},
"node_modules/d3-format": {
"version": "3.1.2",
"resolved": "https://registry.npmjs.org/d3-format/-/d3-format-3.1.2.tgz",
"integrity": "sha512-AJDdYOdnyRDV5b6ArilzCPPwc1ejkHcoyFarqlPqT7zRYjhavcT3uSrqcMvsgh2CgoPbK3RCwyHaVyxYcP2Arg==",
"license": "ISC",
"engines": {
"node": ">=12"
}
},
"node_modules/d3-interpolate": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-3.0.1.tgz",
@@ -3342,6 +3389,22 @@
"node": ">=12"
}
},
"node_modules/d3-scale": {
"version": "4.0.2",
"resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-4.0.2.tgz",
"integrity": "sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==",
"license": "ISC",
"dependencies": {
"d3-array": "2.10.0 - 3",
"d3-format": "1 - 3",
"d3-interpolate": "1.2.0 - 3",
"d3-time": "2.1.1 - 3",
"d3-time-format": "2 - 4"
},
"engines": {
"node": ">=12"
}
},
"node_modules/d3-selection": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
@@ -3351,6 +3414,30 @@
"node": ">=12"
}
},
"node_modules/d3-time": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/d3-time/-/d3-time-3.1.0.tgz",
"integrity": "sha512-VqKjzBLejbSMT4IgbmVgDjpkYrNWUYJnbCGo874u7MMKIWsILRX+OpX/gTk8MqjpT1A/c6HY2dCA77ZN0lkQ2Q==",
"license": "ISC",
"dependencies": {
"d3-array": "2 - 3"
},
"engines": {
"node": ">=12"
}
},
"node_modules/d3-time-format": {
"version": "4.1.0",
"resolved": "https://registry.npmjs.org/d3-time-format/-/d3-time-format-4.1.0.tgz",
"integrity": "sha512-dJxPBlzC7NugB2PDLwo9Q8JiTR3M3e4/XANkreKSUxF8vvXKqm1Yfq4Q5dl8budlunRVlUUaDUgFt7eA8D6NLg==",
"license": "ISC",
"dependencies": {
"d3-time": "1 - 3"
},
"engines": {
"node": ">=12"
}
},
"node_modules/d3-timer": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-3.0.1.tgz",
@@ -4389,6 +4476,18 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/gl-bench": {
"version": "1.0.42",
"resolved": "https://registry.npmjs.org/gl-bench/-/gl-bench-1.0.42.tgz",
"integrity": "sha512-zuMsA/NCPmI8dPy6q3zTUH8OUM5cqKg7uVWwqzrtXJPBqoypM0XeFWEc8iFOqbf/1qtXieWOrbmgFEByKTQt4Q==",
"license": "MIT"
},
"node_modules/gl-matrix": {
"version": "3.4.4",
"resolved": "https://registry.npmjs.org/gl-matrix/-/gl-matrix-3.4.4.tgz",
"integrity": "sha512-latSnyDNt/8zYUB6VIJ6PCh2jBjJX6gnDsoCZ7LyW7GkqrD51EWwa9qCoGixj8YqBtETQK/xY7OmpTF8xz1DdQ==",
"license": "MIT"
},
"node_modules/glob-parent": {
"version": "6.0.2",
"resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
@@ -4607,6 +4706,15 @@
"integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
"license": "ISC"
},
"node_modules/internmap": {
"version": "2.0.3",
"resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
"integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==",
"license": "ISC",
"engines": {
"node": ">=12"
}
},
"node_modules/ip-address": {
"version": "10.1.0",
"resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.1.0.tgz",
@@ -6069,6 +6177,18 @@
],
"license": "MIT"
},
"node_modules/random": {
"version": "4.1.0",
"resolved": "https://registry.npmjs.org/random/-/random-4.1.0.tgz",
"integrity": "sha512-6Ajb7XmMSE9EFAMGC3kg9mvE7fGlBip25mYYuSMzw/uUSrmGilvZo2qwX3RnTRjwXkwkS+4swse9otZ92VjAtQ==",
"license": "MIT",
"dependencies": {
"seedrandom": "^3.0.5"
},
"engines": {
"node": ">=14"
}
},
"node_modules/range-parser": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -6178,6 +6298,12 @@
"node": ">= 4"
}
},
"node_modules/regl": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/regl/-/regl-2.1.1.tgz",
"integrity": "sha512-+IOGrxl3FZ8ZM9ixCWQZzFRiRn7Rzn9bu3iFHwg/yz4tlOUQgbO4PHLgG+1ZT60zcIV8tief6Qrmyl8qcoJP0g==",
"license": "MIT"
},
"node_modules/require-directory": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -6355,6 +6481,12 @@
"integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
"license": "MIT"
},
"node_modules/seedrandom": {
"version": "3.0.5",
"resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
"integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg==",
"license": "MIT"
},
"node_modules/semver": {
"version": "6.3.1",
"resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",

1
frontend/package.json
View File

@@ -18,6 +18,7 @@
"@codemirror/search": "^6.6.0",
"@codemirror/state": "^6.6.0",
"@codemirror/view": "^6.40.0",
"@cosmos.gl/graph": "^2.6.4",
"@dagrejs/dagre": "^3.0.0",
"@fontsource-variable/geist": "^5.2.8",
"@fontsource-variable/jetbrains-mono": "^5.2.8",

27
frontend/src/api/client.ts
View File

@@ -113,6 +113,33 @@ export async function restartNode(): Promise<void> {
if (!res.ok) throw new Error(await res.text());
}
// ---------------------------------------------------------------------------
// Browse — network node discovery + remote pages
// ---------------------------------------------------------------------------
export interface NetworkNode {
hash: string;
name: string;
last_seen: number;
is_self: boolean;
}
export async function fetchBrowseNodes(): Promise<NetworkNode[]> {
const res = await fetch("/api/browse/nodes");
const data = await res.json();
return Array.isArray(data) ? data : [];
}
export async function fetchRemotePage(
hash: string,
path: string = "index.mu",
): Promise<{ content: string | null; error?: string }> {
const res = await fetch(
`/api/browse/page/${hash}?path=${encodeURIComponent(path)}`,
);
return res.json();
}
// ---------------------------------------------------------------------------
// Images
// ---------------------------------------------------------------------------

2
frontend/src/components/shared/AppShell.tsx
View File

@@ -150,7 +150,7 @@ export default function AppShell({ children }: { children: ReactNode }) {
{!isEditor && (
<div
className="absolute z-20"
style={{ top: 200, left: -210 }}
style={{ top: 150, left: -210 }}
>
<NavMenu theme={theme} onToggleTheme={toggleTheme} />
</div>

395
frontend/src/routes/BrowseView.tsx
View File

@@ -1,7 +1,398 @@
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { Graph } from "@cosmos.gl/graph";
import { fetchBrowseNodes, fetchRemotePage, type NetworkNode } from "@/api/client";
import { renderMicron } from "@/components/editor/micronRenderer";
// ---------------------------------------------------------------------------
// Theme color maps — hex values matching index.css OKLCH definitions
// ---------------------------------------------------------------------------
interface ThemeColors {
primary: string;
muted: string;
border: string;
}
const THEME_COLORS: Record<string, ThemeColors> = {
dark: { // .dark (terra)
primary: "#c47a32",
muted: "#8a7560",
border: "#6b5a42",
},
azure: { // .theme-azure
primary: "#5aa0d4",
muted: "#6d8a9e",
border: "#4a6e88",
},
};
function getThemeId(): string {
const cl = document.documentElement.classList;
if (cl.contains("theme-azure")) return "azure";
return "dark";
}
function hexToRgba255(hex: string): [number, number, number, number] {
return [
parseInt(hex.slice(1, 3), 16),
parseInt(hex.slice(3, 5), 16),
parseInt(hex.slice(5, 7), 16),
255,
];
}
// ---------------------------------------------------------------------------
// Data builders — convert NetworkNode[] to Float32Arrays for cosmos.gl
// ---------------------------------------------------------------------------
function buildBuffers(nodes: NetworkNode[], colors: ThemeColors) {
const sorted = [...nodes].sort((a, b) => (a.is_self ? -1 : b.is_self ? 1 : 0));
const n = sorted.length;
const positions = new Float32Array(n * 2);
const pointColors = new Float32Array(n * 4);
const sizes = new Float32Array(n);
const primaryRgba = hexToRgba255(colors.primary);
const mutedRgba = hexToRgba255(colors.muted);
for (let i = 0; i < n; i++) {
if (sorted[i].is_self) {
positions[i * 2] = 0;
positions[i * 2 + 1] = 0;
} else {
const angle = ((i - 1) / Math.max(1, n - 1)) * Math.PI * 2;
positions[i * 2] = Math.cos(angle) * 100;
positions[i * 2 + 1] = Math.sin(angle) * 100;
}
const rgba = sorted[i].is_self ? primaryRgba : mutedRgba;
pointColors[i * 4] = rgba[0];
pointColors[i * 4 + 1] = rgba[1];
pointColors[i * 4 + 2] = rgba[2];
pointColors[i * 4 + 3] = rgba[3];
sizes[i] = sorted[i].is_self ? 14 : 7;
}
const linkCount = Math.max(0, n - 1);
const links = new Float32Array(linkCount * 2);
const borderRgba = hexToRgba255(colors.border);
const linkColors = new Float32Array(linkCount * 4);
for (let i = 0; i < linkCount; i++) {
links[i * 2] = 0;
links[i * 2 + 1] = i + 1;
linkColors[i * 4] = borderRgba[0];
linkColors[i * 4 + 1] = borderRgba[1];
linkColors[i * 4 + 2] = borderRgba[2];
linkColors[i * 4 + 3] = 180;
}
return { sorted, positions, pointColors, sizes, links, linkColors };
}
/** Re-apply theme colors to an existing graph instance */
function applyThemeToGraph(graph: Graph, nodes: NetworkNode[], colors: ThemeColors) {
graph.setConfig({
pointDefaultColor: colors.primary,
linkDefaultColor: colors.border,
hoveredPointRingColor: colors.primary,
});
const n = nodes.length;
if (n === 0) return;
const pointColors = new Float32Array(n * 4);
const primaryRgba = hexToRgba255(colors.primary);
const mutedRgba = hexToRgba255(colors.muted);
for (let i = 0; i < n; i++) {
const rgba = nodes[i].is_self ? primaryRgba : mutedRgba;
pointColors[i * 4] = rgba[0];
pointColors[i * 4 + 1] = rgba[1];
pointColors[i * 4 + 2] = rgba[2];
pointColors[i * 4 + 3] = rgba[3];
}
graph.setPointColors(pointColors);
const linkCount = Math.max(0, n - 1);
if (linkCount > 0) {
const borderRgba = hexToRgba255(colors.border);
const linkColors = new Float32Array(linkCount * 4);
for (let i = 0; i < linkCount; i++) {
linkColors[i * 4] = borderRgba[0];
linkColors[i * 4 + 1] = borderRgba[1];
linkColors[i * 4 + 2] = borderRgba[2];
linkColors[i * 4 + 3] = 180;
}
graph.setLinkColors(linkColors);
}
graph.render();
}
// ---------------------------------------------------------------------------
// Component
// ---------------------------------------------------------------------------
export default function BrowseView() {
const [nodes, setNodes] = useState<NetworkNode[]>([]);
const [filter, setFilter] = useState("");
const [selectedNode, setSelectedNode] = useState<NetworkNode | null>(null);
const [pageHtml, setPageHtml] = useState<string | null>(null);
const [pageLoading, setPageLoading] = useState(false);
const [pageError, setPageError] = useState<string | null>(null);
const [labelPositions, setLabelPositions] = useState<{ x: number; y: number }[]>([]);
const [themeId, setThemeId] = useState(getThemeId);
const containerRef = useRef<HTMLDivElement>(null);
const graphRef = useRef<Graph | null>(null);
const nodesRef = useRef<NetworkNode[]>([]);
const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);
const rafRef = useRef(0);
const colors = THEME_COLORS[themeId] ?? THEME_COLORS.dark;
const filteredNodes = useMemo(() => {
if (!filter) return nodes;
const q = filter.toLowerCase();
return nodes.filter(
(n) => n.name.toLowerCase().includes(q) || n.hash.toLowerCase().includes(q),
);
}, [nodes, filter]);
// ── Watch for theme changes ──
useEffect(() => {
const observer = new MutationObserver(() => {
const id = getThemeId();
setThemeId(id);
const graph = graphRef.current;
if (graph) {
applyThemeToGraph(graph, nodesRef.current, THEME_COLORS[id] ?? THEME_COLORS.dark);
}
});
observer.observe(document.documentElement, { attributes: true, attributeFilter: ["class"] });
return () => observer.disconnect();
}, []);
// ── Initialize cosmos.gl graph ──
useEffect(() => {
if (!containerRef.current) return;
const graph = new Graph(containerRef.current, {
backgroundColor: [0, 0, 0, 0],
pointDefaultColor: colors.primary,
pointDefaultSize: 8,
linkDefaultColor: colors.border,
linkDefaultWidth: 1,
linkOpacity: 0.5,
enableSimulation: true,
enableDrag: true,
enableZoom: true,
fitViewOnInit: false,
spaceSize: 1024,
simulationGravity: 0.15,
simulationRepulsion: 0.6,
simulationLinkSpring: 0.3,
simulationLinkDistance: 60,
simulationFriction: 0.85,
simulationDecay: 8000,
renderHoveredPointRing: true,
hoveredPointRingColor: colors.primary,
hoveredPointCursor: "pointer",
onPointClick: (index: number) => {
const node = nodesRef.current[index];
if (node) handleNodeClick(node);
},
onSimulationTick: () => updateLabels(),
onZoom: () => updateLabels(),
});
graphRef.current = graph;
return () => {
cancelAnimationFrame(rafRef.current);
graph.destroy();
graphRef.current = null;
};
}, []);
// ── Update labels from graph positions ──
const updateLabels = useCallback(() => {
const graph = graphRef.current;
if (!graph || nodesRef.current.length === 0) return;
const positions = graph.getPointPositions();
const next: { x: number; y: number }[] = [];
for (let i = 0; i < nodesRef.current.length; i++) {
const sx = positions[i * 2];
const sy = positions[i * 2 + 1];
if (sx === undefined) break;
const [px, py] = graph.spaceToScreenPosition([sx, sy]);
next.push({ x: px, y: py });
}
setLabelPositions(next);
}, []);
// ── Feed node data into graph when nodes change ──
useEffect(() => {
const graph = graphRef.current;
if (!graph) return;
if (filteredNodes.length === 0) {
nodesRef.current = [];
setLabelPositions([]);
graph.setPointPositions(new Float32Array(0));
graph.setPointColors(new Float32Array(0));
graph.setPointSizes(new Float32Array(0));
graph.setLinks(new Float32Array(0));
graph.setLinkColors(new Float32Array(0));
graph.render();
return;
}
const c = THEME_COLORS[getThemeId()] ?? THEME_COLORS.dark;
const { sorted, positions, pointColors, sizes, links, linkColors } = buildBuffers(filteredNodes, c);
nodesRef.current = sorted;
graph.setPointPositions(positions);
graph.setPointColors(pointColors);
graph.setPointSizes(sizes);
if (links.length > 0) {
graph.setLinks(links);
graph.setLinkColors(linkColors);
}
graph.setPinnedPoints([0]);
graph.render();
graph.start();
setTimeout(() => {
graph.fitView(400, 0.4);
updateLabels();
}, 200);
}, [filteredNodes, updateLabels]);
// ── Poll for nodes ──
useEffect(() => {
const load = () => {
fetchBrowseNodes().then(setNodes).catch(() => { });
};
load();
pollRef.current = setInterval(load, 30_000);
return () => {
if (pollRef.current) clearInterval(pollRef.current);
};
}, []);
// ── Node click → fetch page ──
const handleNodeClick = useCallback((node: NetworkNode) => {
setSelectedNode(node);
setPageHtml(null);
setPageError(null);
setPageLoading(true);
fetchRemotePage(node.hash)
.then((res) => {
if (res.content) {
setPageHtml(renderMicron(res.content, true));
} else {
setPageError(res.error ?? "No content");
}
})
.catch((e) => setPageError(String(e)))
.finally(() => setPageLoading(false));
}, []);
return (
<div className="flex items-center justify-center h-full text-muted-foreground">
Browse
<div className="flex flex-col" style={{ height: "100%" }}>
{/* Header */}
<div className="flex items-center gap-3 px-4 py-2 border-b-2 border-border shrink-0">
<h1 className="text-sm font-semibold">Browse</h1>
<input
type="text"
value={filter}
onChange={(e) => setFilter(e.target.value)}
placeholder="Filter nodes..."
className="flex-1 h-8 px-2 text-xs bg-muted/50 border border-border rounded placeholder:text-muted-foreground focus:outline-none focus:ring-1 focus:ring-primary"
/>
<span className="text-[10px] text-muted-foreground uppercase tracking-wider whitespace-nowrap">
{filteredNodes.length}/{nodes.length} node{nodes.length !== 1 && "s"}
</span>
</div>
{/* Graph + labels */}
<div
ref={containerRef}
className="relative shrink-0 bg-background overflow-hidden"
style={{ height: 500 }}
>
{nodesRef.current.map((node, i) => {
const lp = labelPositions[i];
if (!lp) return null;
return (
<span
key={node.hash}
className="absolute text-[10px] font-mono pointer-events-none select-none whitespace-nowrap"
style={{
left: lp.x,
top: lp.y - 12,
transform: "translate(-50%, -100%)",
color: node.is_self ? colors.primary : colors.muted,
}}
>
{node.name}
</span>
);
})}
{nodes.length === 0 && (
<div className="absolute inset-0 flex items-center justify-center text-muted-foreground text-sm">
Listening for nodes on the Reticulum network...
</div>
)}
{nodes.length > 0 && filteredNodes.length === 0 && (
<div className="absolute inset-0 flex items-center justify-center text-muted-foreground text-sm">
No nodes match "{filter}"
</div>
)}
</div>
{/* Page viewer */}
<div className="flex-1 min-h-0 border-t-2 border-border overflow-auto">
<div className="flex items-center px-4 py-2 border-b border-border sticky top-0 bg-background z-10">
<span className="text-xs font-semibold flex-1 truncate">
{selectedNode ? (
<>
{selectedNode.name}
<span className="ml-2 text-[10px] text-muted-foreground font-normal">
{selectedNode.hash.slice(0, 12)}
</span>
</>
) : (
<span className="text-muted-foreground font-normal">Page</span>
)}
</span>
</div>
<div className="p-3">
{!selectedNode && (
<span className="text-muted-foreground text-xs">
Click a node to view its page
</span>
)}
{pageLoading && (
<span className="text-muted-foreground text-xs animate-pulse">
Requesting page...
</span>
)}
{pageError && (
<span className="text-destructive text-xs">{pageError}</span>
)}
{pageHtml && (
<div
className="font-mono text-[11px] leading-tight"
dangerouslySetInnerHTML={{ __html: pageHtml }}
/>
)}
</div>
</div>
</div>
);
}