diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 446f514..6151024 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -13,7 +13,7 @@ export default function App() {
   useEffect(
     () => {
       setSession(getSessionCookie());
-      if (session === undefined) {
+      if (session === null) {
         navigate("/login");
       }
     },
diff --git a/frontend/src/contexts/session.ts b/frontend/src/contexts/session.ts
index ce77016..55a72c1 100644
--- a/frontend/src/contexts/session.ts
+++ b/frontend/src/contexts/session.ts
@@ -1,16 +1,19 @@
 import React from "react";
 
-type SessionContextType = string | undefined;
+type SessionContextType = string | null;
 
 export const getSessionCookie = () => {
-    const sessionCookie = document.cookie
-        .split('; ')
-        .find(row => row.startsWith('token='))
-        ?.split('=')[1];
+    // const sessionCookie = document.cookie
+    //     .split('; ')
+    //     .find(row => row.startsWith('token='))
+    //     ?.split('=')[1];
+    const sessionCookie = localStorage.getItem('authToken');
     return sessionCookie;
 }
 export const destroySessionCookie = () => {
-    document.cookie = "token=; Max-Age=0;"
+    console.log("destroying session cookie");
+    localStorage.removeItem('authToken');
+    // document.cookie = "token=; Max-Age=0;"
 }
 
 export const SessionContext = React.createContext<SessionContextType>(getSessionCookie());
diff --git a/frontend/src/hooks/sessionRedirect.ts b/frontend/src/hooks/sessionRedirect.ts
index 80ddd7c..fe761c4 100644
--- a/frontend/src/hooks/sessionRedirect.ts
+++ b/frontend/src/hooks/sessionRedirect.ts
@@ -7,7 +7,7 @@ export const useSessionRedirect = () => {
   const navigate = useNavigate();
   // Redirect to home if session is defined
   useEffect(() => {
-    if (session !== undefined) {
+    if (session !== null) {
       navigate('/search');
     }
   }, [session, navigate])
diff --git a/frontend/src/hooks/usePoll.ts b/frontend/src/hooks/usePoll.ts
index ff3bc1d..10284fc 100644
--- a/frontend/src/hooks/usePoll.ts
+++ b/frontend/src/hooks/usePoll.ts
@@ -20,7 +20,7 @@ export const usePoll = () => {
         .then(response => response.text())
         .then((data) => {
           // send private ip to central server
-          return fetch('http://localhost:8000/api/poll/', {
+          return fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/poll/`, {
             method: 'POST',
             headers: getAuthHeaders(),
             body: JSON.stringify({ip: data}),
diff --git a/frontend/src/screens/Login.tsx b/frontend/src/screens/Login.tsx
index 54e5da6..32a45e4 100644
--- a/frontend/src/screens/Login.tsx
+++ b/frontend/src/screens/Login.tsx
@@ -13,7 +13,7 @@ export default function Login() {
     const formData = new FormData(e.target as HTMLFormElement);
     const username = formData.get('username');
     const password = formData.get('password');
-    fetch('http://localhost:8000/api/login/', {
+    fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/login/`, {
         method: 'POST',
         credentials: 'include',
         headers: {
@@ -25,7 +25,7 @@ export default function Login() {
     .then(data => {
       console.log("Login response data:", data);
       if (data.token) {
-        // localStorage.setItem('authToken', data.token);
+        localStorage.setItem('authToken', data.token);
         navigate('/search');
       } else {
           console.error('No token received:', data);
diff --git a/frontend/src/screens/MainSearch.tsx b/frontend/src/screens/MainSearch.tsx
index 52dab6c..52386c1 100644
--- a/frontend/src/screens/MainSearch.tsx
+++ b/frontend/src/screens/MainSearch.tsx
@@ -39,13 +39,17 @@ const MainSearch: React.FC = () => {
 
 
   const fetchProfessors = async () => {
+    const token = getSessionCookie();
     try {
-      const response = await fetch('http://localhost:8000/api/professors', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/professors/`, {
         method: 'GET',
-        headers: getAuthHeaders(),
+        headers: {
+          'Authorization': `Token ${token}`,
+        },
       });
       const data = await response.json();
-
+      console.log("HEREEEEEE", data);
+      console.log(response)
       if (Array.isArray(data)) {
         setProfessors(data);
       } else {
@@ -58,7 +62,7 @@ const MainSearch: React.FC = () => {
 
   const fetchCourses = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/courses', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/courses`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
@@ -75,7 +79,7 @@ const MainSearch: React.FC = () => {
 
   const fetchTopics = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/topics', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/topics`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
@@ -91,7 +95,7 @@ const MainSearch: React.FC = () => {
   };
   const fetchSemesters = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/semesters', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/semesters`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
diff --git a/frontend/src/screens/RegisterFile.tsx b/frontend/src/screens/RegisterFile.tsx
index 5f94b23..fb8657d 100644
--- a/frontend/src/screens/RegisterFile.tsx
+++ b/frontend/src/screens/RegisterFile.tsx
@@ -35,7 +35,7 @@ export default function RegisterFile() {
   }, [serverFiles])
 
   const fetchServerFiles = () => {
-    fetch(`http://localhost:8000/api/get-peer-files/`, {
+    fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/get-peer-files/`, {
       method: 'GET',
       headers: getAuthHeaders()
     })
@@ -55,7 +55,7 @@ export default function RegisterFile() {
     const formData = new FormData(event.target as HTMLFormElement);
 
     // register file with central server
-    fetch(`http://localhost:8000/api/register/`, {
+    fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/register/`, {
       method: 'POST',
       headers: getAuthHeaders(),
       body: JSON.stringify({
@@ -116,7 +116,7 @@ export default function RegisterFile() {
 
   const fetchProfessors = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/professors', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/professors`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
@@ -134,7 +134,7 @@ export default function RegisterFile() {
 
   const fetchCourses = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/courses', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/courses`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
@@ -151,7 +151,7 @@ export default function RegisterFile() {
 
   const fetchTopics = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/topics', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/topics`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
@@ -167,7 +167,7 @@ export default function RegisterFile() {
   };
   const fetchSemesters = async () => {
     try {
-      const response = await fetch('http://localhost:8000/api/semesters', {
+      const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/semesters`, {
         method: 'GET',
         headers: getAuthHeaders(),
       });
diff --git a/frontend/src/screens/Results.tsx b/frontend/src/screens/Results.tsx
index 2bc6a72..5c630c9 100644
--- a/frontend/src/screens/Results.tsx
+++ b/frontend/src/screens/Results.tsx
@@ -18,7 +18,7 @@ const Results: React.FC = () => {
         // Need to double check this
         const queryString = location.search; // Includes the '?' prefix
         console.log(queryString)
-        const response = await fetch(`http://localhost:8000/api/files/filter${queryString}`, {headers: getAuthHeaders()});
+        const response = await fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/files/filter${queryString}`, {headers: getAuthHeaders()});
         if (!response.ok) {
           throw new Error(`HTTP error! status: ${response.status}`);
         }
@@ -101,8 +101,19 @@ function DownloadButton({ file }: { file: File }) {
       body: JSON.stringify({ id: file.id, filename: file.filename, ip: file.original_author.ip_address }),
     })
       .then((response) => response.text())
-      .then((data) => {
-        console.log("Success download response data:", data);
+      .then(() => {
+        return fetch(
+          `${import.meta.env.VITE_CENTRAL_SERVER}/api/files/${file.id}/add-peer/`,
+          {
+            method: "POST",
+            headers: getAuthHeaders(),
+          }
+        )
+      })
+      .then((response) => {
+        if (!response.ok) {
+          throw new Error("Failed to add peer");
+        }
         setSuccess(true);
       })
       .catch((error) => {
diff --git a/frontend/src/screens/Signup.tsx b/frontend/src/screens/Signup.tsx
index 9022619..a1f308c 100644
--- a/frontend/src/screens/Signup.tsx
+++ b/frontend/src/screens/Signup.tsx
@@ -12,7 +12,8 @@ export default function Signup() {
         const email = formData.get('email');
         const username = formData.get('username');
         const password = formData.get('password');
-        fetch('http://localhost:8000/api/signup/', {
+        console.log(import.meta.env.VITE_CENTRAL_SERVER)
+        fetch(`${import.meta.env.VITE_CENTRAL_SERVER}/api/signup/`, {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/json',
diff --git a/frontend/src/utils/getAuthHeaders.ts b/frontend/src/utils/getAuthHeaders.ts
index 2c7870d..d9a138c 100644
--- a/frontend/src/utils/getAuthHeaders.ts
+++ b/frontend/src/utils/getAuthHeaders.ts
@@ -1,6 +1,7 @@
 import { getSessionCookie } from "../contexts/session";
 export const getAuthHeaders = () => {
-    const token = getSessionCookie();
+  const token = getSessionCookie();
+  console.log(token);
     return {
       'Authorization': `Token ${token}`,
       'Content-Type': 'application/json'