simplify

packages/next-auth/src/core/lib/oauth/authorization-url.ts

@@ -1,5 +1,5 @@
 import { openidClient } from "./client"
-import { oAuth1Client } from "./client-legacy"
+import { oAuth1Client, oAuth1TokenStore } from "./client-legacy"
 import { createState } from "./state-handler"
 import { createNonce } from "./nonce-handler"
 import { createPKCE } from "./pkce-handler"
@@ -44,7 +44,7 @@ export default async function getAuthorizationUrl({
       oauth_token_secret: tokens.oauth_token_secret,
       ...tokens.params,
     })}`
-
+    oAuth1TokenStore.set(tokens.oauth_token, tokens.oauth_token_secret)
     logger.debug("GET_AUTHORIZATION_URL", { url, provider })
     return { redirect: url }
   }

packages/next-auth/src/core/lib/oauth/callback.ts

@@ -1,6 +1,6 @@
 import { TokenSet } from "openid-client"
 import { openidClient } from "./client"
-import { oAuth1Client } from "./client-legacy"
+import { oAuth1Client, oAuth1TokenStore } from "./client-legacy"
 import { useState } from "./state-handler"
 import { usePKCECodeVerifier } from "./pkce-handler"
 import { useNonce } from "./nonce-handler"
@@ -42,7 +42,7 @@ export default async function oAuthCallback(params: {
       const { oauth_token, oauth_verifier } = query ?? {}
       const tokens = (await (client as any).getOAuthAccessToken(
         oauth_token,
-        null,
+        oAuth1TokenStore.get(oauth_token),
         oauth_verifier
       )) as TokenSet
       let profile: Profile = await (client as any).get(
@@ -63,6 +63,8 @@ export default async function oAuthCallback(params: {
     }
   }
 
+  if (query?.oauth_token) oAuth1TokenStore.delete(query.oauth_token)
+
   try {
     const client = await openidClient(options)
 

packages/next-auth/src/core/lib/oauth/client-legacy.ts

@@ -69,3 +69,5 @@ export function oAuth1Client(options: InternalOptions<"oauth">) {
   }
   return oauth1Client
 }
+
+export const oAuth1TokenStore = new Map()