✨ feat: create token validation endpoint

src/modules/auth/controllers/tokenValidation.controller.ts

@@ -0,0 +1,21 @@
+import { Context } from "elysia";
+import { tokenValidationService } from "../services/http/tokenValidation.service";
+import { returnReadResponse } from "../../../helpers/callback/httpResponse";
+import { mainErrorHandler } from "../../../helpers/error/handler";
+
+export const tokenValidationController = (
+  ctx: Context & { body: { token: string } },
+) => {
+  try {
+    const { token } = ctx.body;
+    const validationResult = tokenValidationService(token);
+    return returnReadResponse(
+      ctx.set,
+      200,
+      "Validation successful",
+      validationResult,
+    );
+  } catch (error) {
+    return mainErrorHandler(ctx.set, error);
+  }
+};

src/modules/auth/index.ts

@@ -5,8 +5,10 @@ import { googleRequestController } from "./controllers/googleRequest.controller"
 import { googleCallbackController } from "./controllers/googleCallback.controller";
 import { getOauthProvidersController } from "./controllers/getOauthProviders.controller";
 import { getCallbackProviderUrlController } from "./controllers/getCallbackProviderUrl.controller";
+import { tokenValidationController } from "./controllers/tokenValidation.controller";
 
 export const authModule = new Elysia({ prefix: "/auth" })
+  .post("/token/validate", tokenValidationController)
   .get("/providers", getOauthProvidersController)
   .get("/providers/:name/callback", getCallbackProviderUrlController)
   .get("/github", githubRequestController)

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

@@ -0,0 +1,12 @@
+import { AppError } from "../../../../helpers/error/instances/app";
+import { jwtDecode } from "../../../../helpers/http/jwt/decode";
+import { jwtEncode } from "../../../../helpers/http/jwt/encode";
+
+export const tokenValidationService = (payload: string) => {
+  try {
+    const decoded = jwtDecode(payload);
+    return decoded;
+  } catch (error) {
+    throw new AppError(500, "Token validation failed", error);
+  }
+};