Use cookies saved server side (#188)

* retrieve cookies stored server side

fixed netscape cookies validation pipeline

* code refactoring

frontend/src/atoms/downloadTemplate.ts

@@ -1,16 +1,15 @@
-import { atom, selector } from 'recoil'
-import { CustomTemplate } from '../types'
-import { ffetch } from '../lib/httpClient'
-import { serverURL } from './settings'
-import { pipe } from 'fp-ts/lib/function'
 import { getOrElse } from 'fp-ts/lib/Either'
+import { pipe } from 'fp-ts/lib/function'
+import { atom, selector } from 'recoil'
+import { ffetch } from '../lib/httpClient'
+import { CustomTemplate } from '../types'
+import { serverSideCookiesState, serverURL } from './settings'
 
-export const cookiesTemplateState = atom({
+export const cookiesTemplateState = selector({
   key: 'cookiesTemplateState',
-  default: localStorage.getItem('cookiesTemplate') ?? '',
-  effects: [
-    ({ onSet }) => onSet(e => localStorage.setItem('cookiesTemplate', e))
-  ]
+  get: ({ get }) => get(serverSideCookiesState)
+    ? '--cookies=cookies.txt'
+    : ''
 })
 
 export const customArgsState = atom({

frontend/src/atoms/settings.ts

@@ -1,4 +1,7 @@
+import { pipe } from 'fp-ts/lib/function'
+import { matchW } from 'fp-ts/lib/TaskEither'
 import { atom, selector } from 'recoil'
+import { ffetch } from '../lib/httpClient'
 import { prefersDarkMode } from '../utils'
 
 export const languages = [
@@ -187,13 +190,15 @@ export const rpcHTTPEndpoint = selector({
   }
 })
 
-export const cookiesState = atom({
-  key: 'cookiesState',
-  default: localStorage.getItem('yt-dlp-cookies') ?? '',
-  effects: [
-    ({ onSet }) =>
-      onSet(c => localStorage.setItem('yt-dlp-cookies', c))
-  ]
+export const serverSideCookiesState = selector<string>({
+  key: 'serverSideCookiesState',
+  get: async ({ get }) => await pipe(
+    ffetch<Readonly<{ cookies: string }>>(`${get(serverURL)}/api/v1/cookies`),
+    matchW(
+      () => '',
+      (r) => r.cookies
+    )
+  )()
 })
 
 const themeSelector = selector<ThemeNarrowed>({

frontend/src/atoms/status.ts

@@ -1,5 +1,10 @@
+import { pipe } from 'fp-ts/lib/function'
+import { of } from 'fp-ts/lib/Task'
+import { getOrElse } from 'fp-ts/lib/TaskEither'
 import { atom, selector } from 'recoil'
+import { ffetch } from '../lib/httpClient'
 import { rpcClientState } from './rpc'
+import { serverURL } from './settings'
 
 export const connectedState = atom({
   key: 'connectedState',
@@ -22,4 +27,15 @@ export const availableDownloadPathsState = selector({
       .catch(() => ({ result: [] }))
     return res.result
   }
+})
+
+export const ytdlpVersionState = selector<string>({
+  key: 'ytdlpVersionState',
+  get: async ({ get }) => await pipe(
+    ffetch<string>(`${get(serverURL)}/api/v1/version`),
+    getOrElse(() => pipe(
+      'unknown version',
+      of
+    )),
+  )()
 })