infisical/frontend/pages/api/auth/Logout.ts

import SecurityClient from "~/utilities/SecurityClient";

/**
 * This route logs the user out. Note: the user should authorized to do this.
 * We first try to log out - if the authorization fails (response.status = 401), we refetch the new token, and then retry
 */
const logout = async () => {
  return SecurityClient.fetchCall("/api/v1/auth/logout", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
    credentials: "include",
  }).then((res) => {
    if (res?.status == 200) {
      SecurityClient.setToken("");
      // Delete the cookie by not setting a value; Alternatively clear the local storage
      localStorage.setItem("publicKey", "");
      localStorage.setItem("encryptedPrivateKey", "");
      localStorage.setItem("iv", "");
      localStorage.setItem("tag", "");
      localStorage.setItem("PRIVATE_KEY", "");
      console.log("User logged out", res);
      return res;
    } else {
      console.log("Failed to log out");
    }
  });
};

export default logout;