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main.go
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main.go
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package main
import (
"crypto/md5"
"fmt"
"io"
"os"
"strconv"
"time"
"github.com/kataras/iris"
"github.com/kataras/iris/context"
"github.com/kataras/iris/view"
)
func main() {
app := iris.New()
app.AttachView(view.HTML("./templates", ".html"))
// Serve the form.html to the user
app.Get("/upload", func(ctx context.Context) {
//create a token (optionally)
now := time.Now().Unix()
h := md5.New()
io.WriteString(h, strconv.FormatInt(now, 10))
token := fmt.Sprintf("%x", h.Sum(nil))
// render the form with the token for any use you like
ctx.ViewData("", token)
ctx.View("upload_form.html")
})
// Handle the post request from the upload_form.html to the server
app.Post("/upload", context.LimitRequestBodySize(10<<20),
func(ctx context.Context) {
// or use ctx.SetMaxRequestBodySize(10 << 20)
//to limit the uploaded file(s) size.
// Get the file from the request
file, info, err := ctx.FormFile("uploadfile")
if err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.HTML("Error while uploading: <b>" + err.Error() + "</b>")
return
}
defer file.Close()
fname := info.Filename
// Create a file with the same name
// assuming that you have a folder named 'uploads'
out, err := os.OpenFile("./uploads/"+fname,
os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
ctx.StatusCode(iris.StatusInternalServerError)
ctx.HTML("Error while uploading: <b>" + err.Error() + "</b>")
return
}
defer out.Close()
io.Copy(out, file)
})
// start the server at http://localhost:8080
app.Run(iris.Addr(":8080"))
}