VK provider fix

app/pages/api/auth/[...nextauth].ts

@@ -4,7 +4,7 @@ import GitHubProvider from "next-auth/providers/github"
 import Auth0Provider from "next-auth/providers/auth0"
 import KeycloakProvider from "next-auth/providers/keycloak"
 import TwitterProvider, {
-  TwitterLegacy as TwitterLegacyProvider,
+  // TwitterLegacy as TwitterLegacyProvider,
 } from "next-auth/providers/twitter"
 import CredentialsProvider from "next-auth/providers/credentials"
 import IDS4Provider from "next-auth/providers/identity-server4"
@@ -28,6 +28,7 @@ import AzureB2C from "next-auth/providers/azure-ad-b2c"
 import OsuProvider from "next-auth/providers/osu"
 import AppleProvider from "next-auth/providers/apple"
 import PatreonProvider from "next-auth/providers/patreon"
+import VkProvider from "next-auth/providers/vk"
 
 // import { PrismaAdapter } from "@next-auth/prisma-adapter"
 // import { PrismaClient } from "@prisma/client"
@@ -189,7 +190,11 @@ export const authOptions: NextAuthOptions = {
     PatreonProvider({
       clientId: process.env.PATREON_ID,
       clientSecret: process.env.PATREON_SECRET,
-    })
+    }),
+    VkProvider({
+      clientId: process.env.VK_ID,
+      clientSecret: process.env.VK_SECRET
+    }),
   ],
   secret: process.env.SECRET,
   debug: true,

src/next/index.ts

@@ -62,7 +62,7 @@ function NextAuth(
   options: NextAuthOptions
 ): any
 
-/** Tha main entry point to next-auth */
+/** The main entry point to next-auth */
 function NextAuth(
   ...args:
     | [NextAuthOptions]

src/providers/vk.ts

@@ -0,0 +1,54 @@
+import type { OAuthConfig, OAuthUserConfig } from "."
+
+export interface VkProfile {
+  response: Array<{
+    id: number
+    first_name: string
+    last_name: string
+    photo_100: string
+    can_access_closed: boolean
+    is_closed: boolean
+  }>
+}
+
+export default function VK<
+  P extends Record<string, any> = VkProfile
+>(options: OAuthUserConfig<P>): OAuthConfig<P> {
+  const apiVersion = "5.126" // https://vk.com/dev/versions
+
+  return {
+    id: "vk",
+    name: "VK",
+    type: "oauth",
+    authorization: `https://oauth.vk.com/authorize?scope=email&v=${apiVersion}`,
+    token: {
+      url: `https://oauth.vk.com/access_token?v=${apiVersion}`,
+      async request({ client, params, checks, provider }) {
+        const response = await client.oauthCallback(
+          provider.callbackUrl,
+          params,
+          checks,
+          {
+            exchangeBody: {
+              client_id: options.clientId,
+              client_secret: options.clientSecret,
+            },
+          }
+        )
+        const { user_id, ...tokens } = response
+        return { tokens }
+      },
+    },
+    userinfo: `https://api.vk.com/method/users.get?fields=photo_100&v=${apiVersion}`,
+    profile(result: P) {
+      const profile = result.response?.[0] ?? {}
+      return {
+        id: profile.id,
+        name: [profile.first_name, profile.last_name].filter(Boolean).join(" "),
+        email: null,
+        image: profile.photo_100,
+      }
+    },
+    options,
+  }
+}