[APP-1784] Proper fix for Live Now status not showing (#9779)

* Be sure to validate if actor is allowed to be live on certain domain

* Rename for clarity

* Memoize

src/components/live/GoLiveDialog.tsx

@@ -55,7 +55,7 @@ function DialogInner({profile}: {profile: bsky.profile.AnyProfileView}) {
   const tick = useTickEveryMinute()
   const liveNowConfig = useLiveNowConfig()
   const {formatted: allowedServices} = getLiveServiceNames(
-    liveNowConfig.allowedDomains,
+    liveNowConfig.currentAccountAllowedHosts,
   )
 
   const time = useCallback(

src/components/live/queries.ts

@@ -31,8 +31,10 @@ export function useLiveLinkMetaQuery(url: string | null) {
     queryFn: async () => {
       if (!url) return undefined
       const urlp = new URL(url)
-      if (!liveNowConfig.allowedDomains.has(urlp.hostname)) {
-        const {formatted} = getLiveServiceNames(liveNowConfig.allowedDomains)
+      if (!liveNowConfig.currentAccountAllowedHosts.has(urlp.hostname)) {
+        const {formatted} = getLiveServiceNames(
+          liveNowConfig.currentAccountAllowedHosts,
+        )
         throw new Error(
           _(
             msg`This service is not supported while the Live feature is in beta. Allowed services: ${formatted}.`,

src/lib/actor-status.ts

@@ -3,6 +3,7 @@ import {
   type $Typed,
   type AppBskyActorDefs,
   AppBskyEmbedExternal,
+  AtUri,
 } from '@atproto/api'
 import {isAfter, parseISO} from 'date-fns'
 
@@ -73,10 +74,15 @@ export function isStatusValidForViewers(
   config: LiveNowConfig,
 ) {
   if (status.status !== 'app.bsky.actor.status#live') return false
+  if (!status.uri) return false // should not happen, just backwards compat
   try {
+    const {host: liveDid} = new AtUri(status.uri)
     if (AppBskyEmbedExternal.isView(status.embed)) {
       const url = new URL(status.embed.external.uri)
-      return config.allSupportedDomains.has(url.hostname)
+      const exception = config.allowedHostsExceptionsByDid.get(liveDid)
+      const isValidException = exception ? exception.has(url.hostname) : false
+      const isValidForAnyone = config.defaultAllowedHosts.has(url.hostname)
+      return isValidException || isValidForAnyone
     } else {
       return false
     }

src/state/service-config.tsx

@@ -89,29 +89,38 @@ const DEFAULT_LIVE_ALLOWED_DOMAINS = [
   'www.bluecast.app',
 ]
 export type LiveNowConfig = {
-  allowedDomains: Set<string>
-  allSupportedDomains: Set<string>
+  currentAccountAllowedHosts: Set<string>
+  defaultAllowedHosts: Set<string>
+  allowedHostsExceptionsByDid: Map<string, Set<string>>
 }
 export function useLiveNowConfig(): LiveNowConfig {
   const ctx = useContext(LiveNowContext)
   const canGoLive = useCanGoLive()
   const {currentAccount} = useSession()
-  const allVipDomains = new Set(ctx.flatMap(live => live.domains))
-  const allSupportedDomains = new Set(
-    DEFAULT_LIVE_ALLOWED_DOMAINS.concat(Array.from(allVipDomains)),
-  )
-  if (!currentAccount?.did || !canGoLive)
-    return {
-      allowedDomains: new Set(),
-      allSupportedDomains,
+  return useMemo(() => {
+    const defaultAllowedHosts = new Set(DEFAULT_LIVE_ALLOWED_DOMAINS)
+    const allowedHostsExceptionsByDid = new Map<string, Set<string>>()
+    for (const live of ctx) {
+      allowedHostsExceptionsByDid.set(
+        live.did,
+        new Set(DEFAULT_LIVE_ALLOWED_DOMAINS.concat(live.domains)),
+      )
     }
-  const vip = ctx.find(live => live.did === currentAccount.did)
-  return {
-    allowedDomains: new Set(
-      DEFAULT_LIVE_ALLOWED_DOMAINS.concat(vip ? vip.domains : []),
-    ),
-    allSupportedDomains,
-  }
+    if (!currentAccount?.did || !canGoLive)
+      return {
+        currentAccountAllowedHosts: new Set(),
+        defaultAllowedHosts,
+        allowedHostsExceptionsByDid,
+      }
+    const vip = ctx.find(live => live.did === currentAccount.did)
+    return {
+      currentAccountAllowedHosts: new Set(
+        DEFAULT_LIVE_ALLOWED_DOMAINS.concat(vip ? vip.domains : []),
+      ),
+      defaultAllowedHosts,
+      allowedHostsExceptionsByDid,
+    }
+  }, [ctx, currentAccount, canGoLive])
 }
 
 export function useCanGoLive() {