default youtube-dl to use ipv4 (#3311)

Co-authored-by: Rigel Kent <sendmemail@rigelk.eu>

config/default.yaml

@@ -285,6 +285,9 @@ import:
   videos:
     http: # Classic HTTP or all sites supported by youtube-dl https://rg3.github.io/youtube-dl/supportedsites.html
       enabled: false
+      # IPv6 is very strongly rate-limited on most sites supported by youtube-dl
+      forceipv4:
+        enabled: true
       # You can use an HTTP/HTTPS/SOCKS proxy with youtube-dl
       proxy:
         enabled: false

config/production.yaml.example

@@ -299,6 +299,9 @@ import:
   videos:
     http: # Classic HTTP or all sites supported by youtube-dl https://rg3.github.io/youtube-dl/supportedsites.html
       enabled: false
+      # IPv6 is very strongly rate-limited on most sites supported by youtube-dl
+      forceipv4:
+        enabled: true
       # You can use an HTTP/HTTPS/SOCKS proxy with youtube-dl
       proxy:
         enabled: false

server/helpers/youtube-dl.ts

@@ -34,6 +34,7 @@ const processOptions = {
 function getYoutubeDLInfo (url: string, opts?: string[]): Promise<YoutubeDLInfo> {
   return new Promise<YoutubeDLInfo>((res, rej) => {
     let args = opts || [ '-j', '--flat-playlist' ]
+    if (CONFIG.IMPORT.VIDEOS.HTTP.FORCEIPV4) args.push('--force-ipv4')
     args = wrapWithProxyOptions(args)
 
     safeGetYoutubeDL()

server/initializers/config.ts

@@ -229,6 +229,9 @@ const CONFIG = {
     VIDEOS: {
       HTTP: {
         get ENABLED () { return config.get<boolean>('import.videos.http.enabled') },
+        FORCEIPV4: {
+          get ENABLED () { return config.get<boolean>('import.videos.http.forceipv4.enabled') }
+        },
         PROXY: {
           get ENABLED () { return config.get<boolean>('import.videos.http.proxy.enabled') },
           get URL () { return config.get<string>('import.videos.http.proxy.url') }