84 lines
3.5 KiB
JavaScript
84 lines
3.5 KiB
JavaScript
import { sanitizeStreamUrl } from './feedUtils.js'
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const DEVICE_TYPES = Object.freeze(['alpr', 'nvr', 'doorbell', 'feed', 'traffic', 'ip', 'drone'])
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const SOURCE_TYPES = Object.freeze(['mjpeg', 'hls'])
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/** @typedef {{ id: string, name: string, device_type: string, vendor: string | null, lat: number, lng: number, stream_url: string, source_type: string, config: string | null }} DeviceRow */
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/**
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* @param {string} s
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* @returns {string} 'mjpeg' or 'hls'
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*/
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function normalizeSourceType(s) {
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return SOURCE_TYPES.includes(s) ? s : 'mjpeg'
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}
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/**
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* @param {unknown} row
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* @returns {DeviceRow | null} Normalized device row or null if invalid
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*/
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export function rowToDevice(row) {
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if (!row || typeof row !== 'object') return null
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const r = /** @type {Record<string, unknown>} */ (row)
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if (typeof r.id !== 'string' || typeof r.name !== 'string' || typeof r.device_type !== 'string') return null
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if (typeof r.lat !== 'number' && typeof r.lat !== 'string') return null
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if (typeof r.lng !== 'number' && typeof r.lng !== 'string') return null
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const lat = Number(r.lat)
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const lng = Number(r.lng)
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if (!Number.isFinite(lat) || !Number.isFinite(lng)) return null
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return {
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id: r.id,
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name: r.name,
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device_type: r.device_type,
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vendor: typeof r.vendor === 'string' ? r.vendor : null,
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lat,
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lng,
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stream_url: typeof r.stream_url === 'string' ? r.stream_url : '',
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source_type: normalizeSourceType(r.source_type),
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config: typeof r.config === 'string' ? r.config : null,
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}
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}
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/**
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* Sanitize device for API response (safe stream URL, valid sourceType).
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* @param {DeviceRow} device
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* @returns {{ id: string, name: string, device_type: string, vendor: string | null, lat: number, lng: number, streamUrl: string, sourceType: string, config: string | null }} Sanitized device for API response
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*/
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export function sanitizeDeviceForResponse(device) {
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return {
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id: device.id,
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name: device.name,
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device_type: device.device_type,
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vendor: device.vendor,
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lat: device.lat,
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lng: device.lng,
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streamUrl: sanitizeStreamUrl(device.stream_url),
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sourceType: normalizeSourceType(device.source_type),
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config: device.config,
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}
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}
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/**
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* Validate and normalize device body for POST.
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* @param {unknown} body
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* @returns {{ name: string, device_type: string, vendor: string | null, lat: number, lng: number, stream_url: string, source_type: string, config: string | null }} Validated and normalized body fields
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*/
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export function validateDeviceBody(body) {
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if (!body || typeof body !== 'object') throw createError({ statusCode: 400, message: 'body required' })
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const b = /** @type {Record<string, unknown>} */ (body)
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const name = typeof b.name === 'string' ? b.name.trim() || '' : ''
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const deviceType = typeof b.device_type === 'string' && DEVICE_TYPES.includes(b.device_type) ? b.device_type : 'feed'
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const vendor = typeof b.vendor === 'string' ? b.vendor.trim() || null : null
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const lat = Number(b.lat)
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const lng = Number(b.lng)
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if (!Number.isFinite(lat) || !Number.isFinite(lng)) {
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throw createError({ statusCode: 400, message: 'lat and lng required as finite numbers' })
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}
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const streamUrl = typeof b.stream_url === 'string' ? b.stream_url.trim() : ''
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const sourceType = normalizeSourceType(b.source_type)
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const config = typeof b.config === 'string' ? b.config : (b.config != null ? JSON.stringify(b.config) : null)
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return { name, device_type: deviceType, vendor, lat, lng, stream_url: streamUrl, source_type: sourceType, config }
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}
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export { DEVICE_TYPES, SOURCE_TYPES }
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