82 lines
1.9 KiB
TypeScript
82 lines
1.9 KiB
TypeScript
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import type { LiveChatJSONLDInfos, LiveChatJSONLDAttribute } from './types'
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import { URL } from 'url'
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function sanitizePeertubeLiveChatInfos (chatInfos: any): LiveChatJSONLDAttribute {
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if (chatInfos === false) { return false }
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if (typeof chatInfos !== 'object') { return false }
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if (chatInfos.type !== 'xmpp') { return false }
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if ((typeof chatInfos.jid) !== 'string') { return false }
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if (!Array.isArray(chatInfos.links)) { return false }
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const r: LiveChatJSONLDInfos = {
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type: chatInfos.type,
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jid: chatInfos.jid,
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links: []
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}
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for (const link of chatInfos.links) {
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if ((typeof link) !== 'object') { continue }
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if (['xmpp-bosh-anonymous', 'xmpp-websocket-anonymous'].includes(link.type)) {
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if ((typeof link.jid) !== 'string') { continue }
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if ((typeof link.url) !== 'string') { continue }
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if (
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!_validUrl(link.url, {
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noSearchParams: true,
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protocol: link.type === 'xmpp-websocket-anonymous' ? 'ws.' : 'http.'
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})
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) {
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continue
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}
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r.links.push({
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type: link.type,
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jid: link.jid,
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url: link.url
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})
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}
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}
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return r
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}
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interface URLConstraints {
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protocol: 'http.' | 'ws.'
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noSearchParams: boolean
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}
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function _validUrl (s: string, constraints: URLConstraints): boolean {
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if ((typeof s) !== 'string') { return false }
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if (s === '') { return false }
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let url: URL
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try {
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url = new URL(s)
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} catch (_err) {
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return false
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}
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if (constraints.protocol) {
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if (constraints.protocol === 'http.') {
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if (url.protocol !== 'https' && url.protocol !== 'http') {
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return false
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}
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} else if (constraints.protocol === 'ws.') {
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if (url.protocol !== 'wss' && url.protocol !== 'ws') {
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return false
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}
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}
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}
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if (constraints.noSearchParams) {
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if (url.search !== '') {
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return false
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}
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}
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return true
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}
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export {
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sanitizePeertubeLiveChatInfos
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}
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