🏗️ separate http and internal service

separate between internal and http service due security concern in auth module

src/modules/auth/services/http/githubCallback.service.ts

@@ -0,0 +1,27 @@
+import { AppError } from "../../../../helpers/error/instances/app";
+import { githubProvider } from "../../providers/github.provider";
+
+export const githubCallbackService = async (code: string) => {
+  try {
+    const github = githubProvider();
+    const tokens = await github.validateAuthorizationCode(code);
+    const accessToken = tokens.accessToken();
+    const userdata = await fetch("https://api.github.com/user", {
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+      },
+    });
+    const useremail = await fetch("https://api.github.com/user/emails", {
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+      },
+    });
+
+    return {
+      userdata: await userdata.json(),
+      useremail: await useremail.json(),
+    };
+  } catch (error) {
+    return new AppError(500, "Authentication service error", error);
+  }
+};