407 lines
12 KiB
Plaintext
407 lines
12 KiB
Plaintext
/* BARE_OS_BIN_API 1.0.0 — bump when staged /bin script semantics change (see developer guide). */
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/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
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function bareStdin(ctx) {
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return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
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}
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/** @param {number} mode @param {'file' | 'directory' | 'symlink'} type */
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function bareFormatModeString(mode, type) {
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const typeChar = type === 'directory' ? 'd' : type === 'symlink' ? 'l' : '-'
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const perm = mode & 0o777
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const r = (bit) => (perm & bit ? 'r' : '-')
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const w = (bit) => (perm & bit ? 'w' : '-')
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const x = (bit) => (perm & bit ? 'x' : '-')
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return (
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typeChar +
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r(0o400) +
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w(0o200) +
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x(0o100) +
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r(0o040) +
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w(0o020) +
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x(0o010) +
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r(0o004) +
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w(0o002) +
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x(0o001)
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)
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}
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/** @param {number} mtimeMs @param {number} [nowMs] */
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function bareFormatLsMtime(mtimeMs, nowMs) {
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const now = nowMs != null ? nowMs : Date.now()
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const d = new Date(mtimeMs)
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const months = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec'
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]
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const mon = months[d.getMonth()]
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const day = String(d.getDate()).padStart(2, ' ')
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const sixMo = 180 * 24 * 3600 * 1000
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if (Math.abs(now - mtimeMs) > sixMo) {
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const yr = String(d.getFullYear()).padStart(4, ' ')
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return mon + ' ' + day + ' ' + yr
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}
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const hh = String(d.getHours()).padStart(2, '0')
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const mm = String(d.getMinutes()).padStart(2, '0')
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return mon + ' ' + day + ' ' + hh + ':' + mm
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}
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/** @param {number} size */
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function barePosixBlocks(size) {
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return Math.ceil(Number(size) / 512) || 0
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}
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/**
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* Raw stdout for NUL/binary when **`process.stdout.write`** is missing.
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* If **`ctx.bareOsBinWrite(Uint8Array|string)`** is set (tests / host), use it.
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* @param {Record<string, unknown>} ctx
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* @param {string | Uint8Array} chunk
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* @returns {boolean}
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*/
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function bareOsEmitRaw(ctx, chunk) {
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if (typeof ctx.bareOsBinWrite === 'function') {
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const b4 = ctx.b4a
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const u8 =
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typeof chunk === 'string'
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? b4 && typeof b4.from === 'function'
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? b4.from(chunk)
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: new TextEncoder().encode(chunk)
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: chunk
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ctx.bareOsBinWrite(u8 instanceof Uint8Array ? u8 : new Uint8Array(u8))
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return true
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}
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const w = globalThis.process?.stdout?.write
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if (typeof w === 'function') {
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w.call(globalThis.process.stdout, chunk)
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return true
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}
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return false
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}
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const BARE_P2P_SUITE_PREFIX = '[bare-p2p-v1]'
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const BARE_P2P_SUITE_MAX_HISTORY = 2000
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function bareP2pNowMs() {
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return Date.now()
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}
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function bareP2pId(prefix) {
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const rnd = Math.floor(Math.random() * 0x7fffffff)
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return prefix + '-' + bareP2pNowMs().toString(36) + '-' + rnd.toString(36)
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}
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function bareP2pHome(ctx) {
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const env = ctx.env && typeof ctx.env === 'object' ? ctx.env : {}
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const home = typeof env.HOME === 'string' && env.HOME ? env.HOME : '/home/guest'
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return home
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}
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function bareP2pJoinPath(a, b) {
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if (!a.endsWith('/')) return a + '/' + b
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return a + b
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}
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function bareP2pDataDir(ctx) {
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return bareP2pJoinPath(bareP2pHome(ctx), '.bare/p2p-suite')
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}
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function bareP2pDataFile(ctx, app) {
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return bareP2pJoinPath(bareP2pDataDir(ctx), app + '.json')
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}
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async function bareP2pReadJson(ctx, path) {
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try {
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if (!ctx.vfs || typeof ctx.vfs.readFile !== 'function') return null
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const b = await ctx.vfs.readFile(path)
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if (!b) return null
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const t = ctx.b4a.toString(b).trim()
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if (!t) return null
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return JSON.parse(t)
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} catch {
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return null
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}
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}
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async function bareP2pWriteJson(ctx, path, obj) {
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if (!ctx.vfs || typeof ctx.vfs.writeFile !== 'function') return false
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const body = JSON.stringify(obj, null, 2) + '\n'
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const b4 = ctx.b4a
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const buf =
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b4 && typeof b4.from === 'function'
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? b4.from(body)
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: new TextEncoder().encode(body)
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try {
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await ctx.vfs.writeFile(path, buf)
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return true
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} catch {
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return false
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}
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}
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function bareP2pDecodeEnvelope(line) {
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const s = String(line || '')
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if (!s.startsWith(BARE_P2P_SUITE_PREFIX)) return null
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const payload = s.slice(BARE_P2P_SUITE_PREFIX.length).trim()
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if (!payload) return null
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try {
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const obj = JSON.parse(payload)
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if (!obj || typeof obj !== 'object') return null
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return obj
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} catch {
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return null
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}
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}
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function bareP2pEncodeEnvelope(app, kind, payload) {
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return (
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BARE_P2P_SUITE_PREFIX +
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' ' +
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JSON.stringify({
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schema: 1,
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suite: 'bare-p2p',
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version: '1',
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app,
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kind,
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tsMs: bareP2pNowMs(),
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payload: payload || {}
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})
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)
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}
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function bareP2pSend(ctx, app, kind, payload) {
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if (app === 'meshdrop' && typeof ctx.bareOsMeshdropSend === 'function') {
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return ctx.bareOsMeshdropSend({
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app,
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kind,
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payload: payload || {},
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tsMs: bareP2pNowMs()
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})
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}
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if (typeof ctx.bareOsChatSend !== 'function') {
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return { ok: false, reason: 'bareOsChatSend unavailable' }
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}
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return ctx.bareOsChatSend(bareP2pEncodeEnvelope(app, kind, payload))
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}
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function bareP2pCollectFromHistory(ctx, app, limit) {
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if (app === 'meshdrop' && typeof ctx.bareOsMeshdropHistory === 'function') {
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let hist = []
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try {
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hist = ctx.bareOsMeshdropHistory(
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Math.max(1, Math.min(BARE_P2P_SUITE_MAX_HISTORY, limit || 512))
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)
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} catch {
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hist = []
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}
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if (!Array.isArray(hist)) return []
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const out = []
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for (const ev of hist) {
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if (!ev || typeof ev !== 'object') continue
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if (ev.app !== app) continue
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out.push({
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fromPeerKey: typeof ev.fromPeerKey === 'string' ? ev.fromPeerKey : '',
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displayName: typeof ev.sender === 'string' ? ev.sender : '',
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local: Boolean(ev.local),
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receivedAtMs:
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typeof ev.receivedAtMs === 'number' ? ev.receivedAtMs : bareP2pNowMs(),
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packet: {
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app,
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kind: typeof ev.kind === 'string' ? ev.kind : 'unknown',
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payload: ev.payload && typeof ev.payload === 'object' ? ev.payload : {}
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}
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})
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}
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return out
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}
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if (typeof ctx.bareOsChatHistory !== 'function') return []
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let hist = []
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try {
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hist = ctx.bareOsChatHistory(
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Math.max(1, Math.min(BARE_P2P_SUITE_MAX_HISTORY, limit || 512))
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)
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} catch {
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hist = []
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}
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if (!Array.isArray(hist)) return []
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const out = []
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for (const ev of hist) {
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if (!ev || typeof ev !== 'object') continue
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const body = String(ev.body || '')
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const decoded = bareP2pDecodeEnvelope(body)
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if (!decoded || decoded.app !== app) continue
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out.push({
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fromPeerKey: typeof ev.fromPeerKey === 'string' ? ev.fromPeerKey : '',
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displayName: typeof ev.displayName === 'string' ? ev.displayName : '',
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local: Boolean(ev.local),
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receivedAtMs:
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typeof ev.receivedAtMs === 'number' ? ev.receivedAtMs : bareP2pNowMs(),
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packet: decoded
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})
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}
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return out
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}
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function bareP2pSubscribe(ctx, app, fn) {
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if (app === 'meshdrop' && typeof ctx.bareOsMeshdropSubscribe === 'function') {
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return ctx.bareOsMeshdropSubscribe((ev) => {
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if (!ev || typeof ev !== 'object' || ev.app !== app) return
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fn({
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fromPeerKey: typeof ev.fromPeerKey === 'string' ? ev.fromPeerKey : '',
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displayName: typeof ev.sender === 'string' ? ev.sender : '',
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local: Boolean(ev.local),
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receivedAtMs:
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typeof ev.receivedAtMs === 'number' ? ev.receivedAtMs : bareP2pNowMs(),
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packet: {
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app,
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kind: typeof ev.kind === 'string' ? ev.kind : 'unknown',
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payload: ev.payload && typeof ev.payload === 'object' ? ev.payload : {}
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}
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})
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})
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}
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if (typeof ctx.bareOsChatSubscribe !== 'function') return () => {}
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return ctx.bareOsChatSubscribe((ev) => {
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if (!ev || typeof ev !== 'object') return
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const body = String(ev.body || '')
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const decoded = bareP2pDecodeEnvelope(body)
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if (!decoded || decoded.app !== app) return
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fn({
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fromPeerKey: typeof ev.fromPeerKey === 'string' ? ev.fromPeerKey : '',
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displayName: typeof ev.displayName === 'string' ? ev.displayName : '',
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local: Boolean(ev.local),
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receivedAtMs:
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typeof ev.receivedAtMs === 'number' ? ev.receivedAtMs : bareP2pNowMs(),
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packet: decoded
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})
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})
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}
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async function bareP2pReadSwarmSnapshot(ctx) {
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const out = {
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atMs: bareP2pNowMs(),
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peerCount: null,
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topicCount: null,
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peers: []
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}
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const snap = await bareP2pReadJson(ctx, '/proc/bare_os/swarm')
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if (!snap || typeof snap !== 'object') return out
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if (typeof snap.peerCount === 'number') out.peerCount = snap.peerCount
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if (typeof snap.topicCount === 'number') out.topicCount = snap.topicCount
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const peers = Array.isArray(snap.peers) ? snap.peers : []
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out.peers = peers.slice(0, 128)
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return out
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}
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async function run(ctx, argv) {
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const argv0 = argv[0] || 'hypershell-board'
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const args = argv.slice(1)
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if (args.includes('-h') || args.includes('--help') || args.length === 0) {
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ctx.console.log(
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'usage: ' +
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argv0 +
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' offer-shell LABEL\n' +
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' ' +
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argv0 +
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' offer-copy PATH\n' +
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' ' +
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argv0 +
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' claim SESSION_ID\n' +
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' ' +
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argv0 +
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' close SESSION_ID\n' +
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' ' +
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argv0 +
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' list\n' +
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'P2P hypershell-style session board (intent + audit feed).\n' +
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'See man hypershell-board.'
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)
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if (args.length === 0) ctx.exitCode = 1
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return
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}
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const sub = args[0]
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if (sub === 'offer-shell' || sub === 'offer-copy') {
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const label = args.slice(1).join(' ').trim()
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if (!label) {
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ctx.console.error(argv0 + ': missing label/path')
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ctx.exitCode = 1
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return
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}
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const sessionId = bareP2pId('session')
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const mode = sub === 'offer-shell' ? 'shell' : 'copy'
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const r = bareP2pSend(ctx, 'hypershell-board', 'session.offer', {
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sessionId,
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mode,
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label
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})
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if (r && r.ok === false) ctx.exitCode = 1
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else ctx.console.log('offered ' + sessionId + ' (' + mode + ')')
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return
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}
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if (sub === 'claim' || sub === 'close') {
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const sessionId = String(args[1] || '').trim()
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if (!sessionId) {
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ctx.console.error(argv0 + ': missing SESSION_ID')
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ctx.exitCode = 1
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return
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}
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const kind = sub === 'claim' ? 'session.claim' : 'session.close'
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const r = bareP2pSend(ctx, 'hypershell-board', kind, { sessionId })
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if (r && r.ok === false) ctx.exitCode = 1
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else ctx.console.log(sub + ' ' + sessionId)
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return
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}
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if (sub === 'list') {
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const rows = bareP2pCollectFromHistory(ctx, 'hypershell-board', 2000)
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/** @type {Map<string, { sessionId: string, mode: string, label: string, state: string, atMs: number }>} */
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const sessions = new Map()
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for (const row of rows) {
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const kind = row.packet?.kind
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const p = row.packet?.payload
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if (!p || typeof p !== 'object') continue
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if (kind === 'session.offer' && typeof p.sessionId === 'string') {
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sessions.set(p.sessionId, {
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sessionId: p.sessionId,
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mode: typeof p.mode === 'string' ? p.mode : 'shell',
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label: typeof p.label === 'string' ? p.label : '',
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state: 'open',
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atMs: row.receivedAtMs
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})
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} else if (kind === 'session.claim' && typeof p.sessionId === 'string') {
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const s = sessions.get(p.sessionId)
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if (s) s.state = 'claimed'
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} else if (kind === 'session.close' && typeof p.sessionId === 'string') {
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const s = sessions.get(p.sessionId)
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if (s) s.state = 'closed'
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}
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}
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for (const s of [...sessions.values()].sort((a, b) => b.atMs - a.atMs)) {
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ctx.console.log(
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'[' +
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s.state +
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'] ' +
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s.sessionId +
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' ' +
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s.mode +
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' ' +
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s.label
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)
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}
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return
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}
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ctx.console.error(argv0 + ': unsupported subcommand')
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ctx.exitCode = 1
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}
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