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web.go
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web.go
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package main
import (
"fmt"
"io/ioutil"
"net/http"
)
func uploadFile(w http.ResponseWriter, r *http.Request) {
fmt.Println("File Upload Endpoint Hit")
// Parse our multipart form, 1<<16 specifies a maximum
// upload of 64k files.
r.ParseMultipartForm(1 << 16)
// FormFile returns the first file for the given key `myFile`
// it also returns the FileHeader so we can get the Filename,
// the Header and the size of the file
file, handler, err := r.FormFile("myFile")
if err != nil {
fmt.Println("Error Retrieving the File")
fmt.Println(err)
return
}
// defer file.Close()
defer func() {
if err := file.Close(); err != nil {
fmt.Printf("Error closing file: %s\n", err)
}
}()
fmt.Printf("Uploaded File: %+v\n", handler.Filename)
fmt.Printf("File Size: %+v\n", handler.Size)
fmt.Printf("MIME Header: %+v\n", handler.Header)
// Create a temporary file within our temp-programs directory that follows
// a particular naming pattern
tempFile, err := ioutil.TempFile("temp-programs", "upload-*.prg")
if err != nil {
fmt.Println(err)
}
// defer tempFile.Close()
defer func() {
if err := tempFile.Close(); err != nil {
fmt.Printf("Error closing file: %s\n", err)
}
}()
// read all of the contents of our uploaded file into a
// byte array
fileBytes, err := ioutil.ReadAll(tempFile)
if err != nil {
fmt.Println(err)
}
// write this byte array to our temporary file
tempFile.Write(fileBytes)
// return that we have successfully uploaded our file!
fmt.Fprintf(w, "Successfully Uploaded File\n")
}
func SetupRoutes() {
http.HandleFunc("/upload", uploadFile)
http.ListenAndServe(":8080", nil)
}
//func main() {
// fmt.Println("Starting web program")
// setupRoutes()
//}