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package main
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"net/url"
"os"
)
func fileUpload(url, file, name string) (err error) {
// Prepare a form that you will submit to that URL.
var b bytes.Buffer
w := multipart.NewWriter(&b)
// Add your image file
f, err := os.Open(file)
if err != nil {
return
}
fw, err := w.CreateFormFile("image", file)
if err != nil {
return
}
if _, err = io.Copy(fw, f); err != nil {
return
}
// Add the other fields
if fw, err = w.CreateFormField("key"); err != nil {
return
}
if _, err = fw.Write([]byte("KEY")); err != nil {
return
}
// Don't forget to close the multipart writer.
// If you don't close it, your request will be missing the terminating boundary.
w.Close()
// Now that you have a form, you can submit it to your handler.
req, err := http.NewRequest("POST", url, &b)
if err != nil {
return
}
// Don't forget to set the content type, this will contain the boundary.
req.Header.Set("Content-Type", w.FormDataContentType())
// Submit the request
client := &http.Client{}
res, err := client.Do(req)
if err != nil {
return
}
// Check the response
if res.StatusCode != http.StatusOK {
err = fmt.Errorf("bad status: %s", res.Status)
}
defer res.Body.Close()
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
return
}
printResponse(contents, name)
return
}
func urlUpload(targetUrl, file, name string) (err error) {
form := url.Values{}
form.Set("image", file)
imageUrl := form.Encode()
req, err := http.NewRequest("POST", targetUrl, bytes.NewBuffer([]byte(imageUrl)))
if err != nil {
return
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
client := &http.Client{}
res, err := client.Do(req)
if err != nil {
return
}
if res.StatusCode != http.StatusOK {
err = fmt.Errorf("bad status: %s", res.Status)
}
defer res.Body.Close()
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
return
}
printResponse(contents, name)
return
}
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