chore: moved auth utility functions to auth/helper.ts from src/utils.ts

packages/hoppscotch-backend/src/auth/helper.ts

@@ -0,0 +1,56 @@
+import { HttpException, HttpStatus } from '@nestjs/common';
+import { DateTime } from 'luxon';
+import { AuthError } from 'src/types/AuthError';
+import { AuthTokens } from 'src/types/AuthTokens';
+import { Response } from 'express';
+
+/**
+ * This function allows throw to be used as an expression
+ * @param errMessage Message present in the error message
+ */
+export function throwHTTPErr(errorData: AuthError): never {
+  const { message, statusCode } = errorData;
+  throw new HttpException(message, statusCode);
+}
+
+/**
+ * Sets and returns the cookies in the response object on successful authentication
+ * @param res Express Response Object
+ * @param authTokens Object containing the access and refresh tokens
+ * @param redirect if true will redirect to provided URL else just send a 200 status code
+ */
+export const authCookieHandler = (
+  res: Response,
+  authTokens: AuthTokens,
+  redirect: boolean,
+) => {
+  const currentTime = DateTime.now();
+  const accessTokenValidity = currentTime
+    .plus({
+      milliseconds: parseInt(process.env.ACCESS_TOKEN_VALIDITY),
+    })
+    .toMillis();
+  const refreshTokenValidity = currentTime
+    .plus({
+      milliseconds: parseInt(process.env.REFRESH_TOKEN_VALIDITY),
+    })
+    .toMillis();
+
+  res.cookie('access_token', authTokens.access_token, {
+    httpOnly: true,
+    secure: true,
+    sameSite: 'lax',
+    maxAge: accessTokenValidity,
+    signed: true,
+  });
+  res.cookie('refresh_token', authTokens.refresh_token, {
+    httpOnly: true,
+    secure: true,
+    sameSite: 'lax',
+    maxAge: refreshTokenValidity,
+    signed: true,
+  });
+  if (redirect) {
+    res.status(HttpStatus.OK).redirect(process.env.REDIRECT_URL);
+  } else res.status(HttpStatus.OK).send();
+};