diff --git a/src/api/auth.cjs b/src/api/auth.cjs
new file mode 100644
index 0000000..43e8603
--- /dev/null
+++ b/src/api/auth.cjs
@@ -0,0 +1,41 @@
+const express = require('express');
+const axios = require('axios');
+let auth_status = 0;
+
+async function check_auth_status() {
+    return await new Promise(resolve => {
+        const check = setInterval(() => {
+            console.log("Checking auth status...");
+    
+            if(auth_status == 1) {
+                console.log("Bot has been authenticated");
+                resolve(true);
+                clearInterval(check);
+                return true;
+            }
+        }, 2000);
+    });
+};
+
+function verify_auth_status() {
+    auth_status = 1; 
+    return true; 
+}
+
+async function get_access_token(host, session_id) {
+    axios.post(`${host}/api/miauth/${session_id}/check`)
+    .then((data) => {
+        const response = data.json();
+
+        if(response.ok == true) {
+            console.log(response.token);
+            return response.token;
+        } else {
+            return false;
+        }
+    });
+};
+
+module.exports.check_auth_status = check_auth_status;
+module.exports.verify_auth_status = verify_auth_status;
+module.exports.get_access_token = get_access_token;
\ No newline at end of file
diff --git a/src/api/post.cjs b/src/api/post.cjs
new file mode 100644
index 0000000..d81ba2f
--- /dev/null
+++ b/src/api/post.cjs
@@ -0,0 +1,16 @@
+const axios = require('axios');
+
+async function create_image(host, access_token, file_path) {
+    axios.post(`${host}/api/drive/files/create`, {
+        file: fs.createReadStream(file_path)
+    }, {
+        headers: {
+            'Content-Type': 'multipart/form-data',
+            'Authorization': `Bearer ${access_token}`
+        }
+    }).then((data) => {
+        return data;
+    });
+};
+
+module.exports.create_image = create_image;
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 9ef17df..60b2527 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,14 @@
 import { v4 as uuidv4 } from 'uuid';
 import fs, { createReadStream } from 'node:fs';
 import path from 'node:path';
-import fetch from 'node-fetch';
 import express from 'express';
 import axios from 'axios';
 import { fileFromPath } from 'formdata-node/file-from-path';
 import * as Misskey from 'misskey-js';
 
+import * as Post from './api/post.cjs';
+import * as Auth from './api/auth.cjs';
+
 const __dirname = path.resolve();
 const config = JSON.parse(fs.readFileSync(path.resolve("config", "config.json")));
 const token_file = JSON.parse(fs.readFileSync(path.resolve("config", "token.json")));
@@ -20,13 +22,8 @@ let app_name = config.app.name;
 let app_callback = config.app.callback;
 let app_permission = config.app.permission;
 
-// https://misskey.io/miauth/c1f6d42b-468b-4fd2-8274-e58abdedef6f?name=MyApp&callback=https%3A%2F%2Fmyapp.example.com%2Fcallback&permission=write:notes,write:following,read:drive
-
 let session_id = uuidv4();
 let auth_url = `${host}/miauth/${session_id}?name=${app_name}&callback=${app_callback}&permission=${app_permission}`;
-let auth_status = 0;
-
-console.log(auth_url);
 
 app.get('/callback', function(req, res) {
     res.send({
@@ -34,63 +31,16 @@ app.get('/callback', function(req, res) {
         "success": true,
     })
 
-    auth_status = 1;
+    Auth.verify_auth_status();
 });
 
-async function check_auth_status() {
-    return await new Promise(resolve => {
-        const check = setInterval(() => {
-            console.log("Checking auth status...");
-    
-            if(auth_status == 1) {
-                console.log("Bot has been authenticated");
-                resolve(true);
-                clearInterval(check);
-                return true;
-            }
-        }, 2000);
-    });
-};
-
-async function get_access_token(host, session_id) {
-    const response = await fetch(`${host}/api/miauth/${session_id}/check`, {
-        method: 'POST'
-    });
-    
-    const data = await response.json();
-    console.log(data);
-
-    const res_status = data.ok;
-
-    if(data.ok == true) {
-        return data.token;
-    } else {
-        return false; // error occurred 
-    }
-};
-
-async function create_image(access_token, file_path) {
-    axios.post(`${host}/api/drive/files/create`, {
-        file: fs.createReadStream(file_path)
-    }, {
-        headers: {
-            'Content-Type': 'multipart/form-data',
-            'Authorization': `Bearer ${access_token}`
-        }
-    }).then((data) => {
-        return data;
-    });
-
-    // return info:
-    // https://misskey.winscloud.net/api-doc#tag/drive/operation/drive___files___create
-};
-
 (async () => {
     let access_token = false;
 
     if(!token_file.token) { // if existing token not exist
-        await check_auth_status()
-        access_token = await get_access_token(host, session_id);
+        console.log(auth_url);
+        await Auth.check_auth_status();
+        access_token = await Auth.get_access_token(host, session_id);
         
         let json_data = {
             "token": access_token
@@ -110,7 +60,7 @@ async function create_image(access_token, file_path) {
     });
 
     let static_image_path = path.join(__dirname, '/data/current_radar.jpg');
-    create_image(access_token, static_image_path);
+    Post.create_image(host, access_token, static_image_path);
 })();
 
 app.listen(port);