[Optimizing] Adding auto refresh token when expiring

Author: anwerj

README.md

@@ -12,12 +12,11 @@ AI‑powered YouTube uploader—no CLI, no YouTube Studio, and no secrets ever s
 - Multi Channel Support
 
 ## Demo
-
+### Setup and Demo Video
 <p align="center"> <a href="https://youtu.be/fcywz5FIUpM" target="_blank"><img src="https://img.youtube.com/vi/fcywz5FIUpM/0.jpg"/></a> </p>
 
 ![output](https://github.com/user-attachments/assets/f8c2c303-ef77-4fa9-99a6-5de7f120ffac)
 
-
 ## Getting Started
 
 Visit the [Releases](https://github.com/anwerj/youtube-uploader-mcp/releases) page and download the appropriate binary for your operating system:
@@ -59,7 +58,6 @@ To upload to YouTube, you must configure OAuth and get a client_secret.json file
 ### Usage
 
 - `main.go`: Entry point for the CLI
-- `main/`: Additional main package files
 - `youtube/`: YouTube API integration (OAuth, video upload, config)
 - `tool/`: Command-line tools for authentication, token, and upload
 - `hook/`, `logn/`: Supporting packages

manifest.json

@@ -0,0 +1,59 @@
+{
+  "dxt_version": "0.1",
+  "name": "youtube-uploader-mcp",
+  "display_name": "Youtube Uploader MCP",
+  "version": "0.1.0",
+  "description": "AI‑powered YouTube uploader—no CLI, no YouTube Studio, and no secrets ever shared with LLMs or third‑party apps and all free of cost! It includes OAuth2 authentication, token management, and video upload functionality.",
+  "author": {
+    "name": "Anwerj",
+    "email": "[email protected]",
+    "url": "i.anwerj.com"
+  },
+  "documentation": "https://github.com/anwerj/youtube-uploader-mcp",
+  "icon": "icon.png",
+  "screenshots": [
+    "screenshot.png"
+  ],
+  "server": {
+    "type": "binary",
+    "entry_point": "server/youtube-uploader-mcp",
+    "mcp_config": {
+      "command": "${__dirname}/server/youtube-uploader-mcp",
+      "args": [],
+      "env": {}
+    }
+  },
+  "tools": [
+    {
+      "name": "Upload Video",
+      "description": "Uploads Video to Youtube"
+    }
+  ],
+  "compatibility": {
+    "platforms": [
+      "darwin",
+      "win32",
+      "linux"
+    ]
+  },
+  "user_config": {
+    "client-sercret-file": {
+      "type": "string",
+      "title": "Client Secret File",
+      "description": "File path to client secrets",
+      "required": true,
+      "sensitive": false
+    }
+  },
+  "keywords": [
+    "Youtube",
+    "Upload",
+    "MCP",
+    "Youtube Server"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/anwerj/youtube-uploader-mcp"
+  }
+}

tool/uploadvideo/upload_video.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"strings"
+	"time"
 
 	"github.com/anwerj/youtube-uploader-mcp/tool"
 	"github.com/anwerj/youtube-uploader-mcp/youtube"
@@ -54,14 +55,19 @@ func (t *UploadVideoTool) Define(context.Context) mcp.Tool {
 	)
 }
 
-func (t *UploadVideoTool) Handle(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+func (t *UploadVideoTool) Handle(
+	ctx context.Context,
+	request mcp.CallToolRequest,
+) (*mcp.CallToolResult, error) {
+
 	filePath := request.GetString("file_path", "")
 	description := request.GetString("description", "")
 	title := request.GetString("title", "")
 	tags := request.GetString("tags", "")
 	categoryID := request.GetString("category_id", "")
 	if filePath == "" || description == "" || title == "" || tags == "" || categoryID == "" {
-		return mcp.NewToolResultError("all fields are required: file_path, description, title, tags, category_id"), nil
+		return mcp.NewToolResultError(
+			"all fields are required: file_path, description, title, tags, category_id"), nil
 	}
 	channelId := request.GetString("channel_id", "")
 	if channelId == "" {
@@ -75,6 +81,35 @@ func (t *UploadVideoTool) Handle(ctx context.Context, request mcp.CallToolReques
 		return mcp.NewToolResultError("Failed to load token: " + err.Error()), nil
 	}
 
+	if channel == nil ||
+		channel.Token == nil {
+		return mcp.NewToolResultError("channel or token is nil, please authenticate first"), nil
+	}
+
+	if channel.Token.Expiry.IsZero() ||
+		channel.Token.AccessToken == "" ||
+		channel.Token.RefreshToken == "" {
+		return mcp.NewToolResultError(
+			"channel token is expired or malformed, please start authenticate"), nil
+	}
+
+	// Check if token is expiring (within 2 minutes)
+	now := time.Now().In(channel.Token.Expiry.Location())
+	if channel.Token.Expiry.Before(now.Add(2 * time.Minute)) {
+		newToken, err := youtube.RefreshAccessToken(channel.Token)
+		if err != nil {
+			return mcp.NewToolResultError(
+				"token was expiring, Failed to refresh token: " + err.Error()), nil
+		}
+		channel.Token = newToken
+		// Optionally save the refreshed token for future use
+		err = youtube.SaveChannel(channel)
+		if err != nil {
+			return mcp.NewToolResultError(
+				"token was expiring, Failed to save refreshed token: " + err.Error()), nil
+		}
+	}
+
 	video := &youtube.Video{
 		Path:          filePath,
 		Title:         title,