add readme, set expire time to 5mins

Author: alexcoder04

README.md

@@ -1,2 +1,17 @@
+
 # gupload
-Serve an HTTP server to transfer files between machines on the local network
+
+This is a simple HTTP server which allows you to transfer files to and from a machine on the local network.
+
+It's a rewrite of the [old Python version](https://github.com/ac04-dump/dump/tree/main/uploader) in combination with some features of [sharebox](https://github.com/ac04-dump/sharebox) and even some additions.
+
+I use it to transfer some files quickly to/from devices on my local network, mostly Android/iOS/Windows ones.
+
+**Warning:**
+The transfer happens over plain HTTP, so it's *unencrypted*.
+
+## Build Instructions
+
+```sh
+go build .
+```

handlers.go

@@ -13,7 +13,10 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-var AutoDeleteMap map[string]int = map[string]int{}
+var (
+	DeleteTimeout                = 60 * 5
+	AutoDeleteMap map[string]int = map[string]int{}
+)
 
 func HandlerIndex(c *gin.Context) {
 	RetPage(c, []string{})
@@ -41,7 +44,7 @@ func HandlerUpload(c *gin.Context) {
 
 		messages = append(messages, fmt.Sprintf("'%s' was uploaded successfully", filename))
 		if len(autodelete) > 0 && autodelete[0] == "on" {
-			AutoDeleteMap[filename] = 60 * 1
+			AutoDeleteMap[filename] = DeleteTimeout
 		}
 
 		go func() {