func (widget WidgetController) EditorPost() revel.Result {
revel.TRACE.Printf("POST >> widget.editor ...")
var callback string
widget.Params.Bind(&callback, "CKEditorFuncNum")
revel.INFO.Printf("POST >> widget.editor ...callback(%s)", callback)
widget.Validation.Required(widget.Params.Files["upload"])
if widget.Validation.HasErrors() {
return widget.RenderJson(WidgetResponse{Code: 401, Message: "files absent"})
}
file := widget.Params.Files["upload"][0]
fname := file.Filename
ftype := file.Header.Get("Content-Type")
flength := file.Header.Get("Content-Length")
revel.INFO.Printf("POST >> widget.upload file(%s:%s:%s) ...", fname, ftype, flength)
fd, err := file.Open()
if err != nil {
html := fmt.Sprintf("<html><body><script type=\"text/javascript\">alert('%s')</script></body></html>", err.Error())
return widget.RenderHtml(html)
}
defer fd.Close()
var url string
if !QiniuEnable {
sub := fmt.Sprintf("%d", time.Now().Unix()%31)
dir := path.Join(revel.BasePath, "upload", sub)
os.MkdirAll(dir, os.ModePerm)
wr, err := os.Create(path.Join(dir, fname))
if err != nil {
return widget.RenderJson(WidgetResponse{Code: 402, Message: err.Error()})
}
defer wr.Close()
if _, err := goio.Copy(wr, fd); err != nil {
return widget.RenderJson(WidgetResponse{Code: 403, Message: err.Error()})
}
url = fmt.Sprintf("/upload/%s/%s", sub, fname)
} else {
var ret io.PutRet
var extra = &io.PutExtra{}
uptoken := QiniuToken(QiniuBucket)
err = io.PutWithoutKey(nil, &ret, uptoken, fd, extra)
if err != nil {
return widget.RenderJson(WidgetResponse{Code: 405, Message: err.Error()})
}
url = fmt.Sprintf("//%s/%s", QiniuDomain, ret.Key)
}
html := fmt.Sprintf("<html><body><script type=\"text/javascript\">window.parent.CKEDITOR.tools.callFunction(%s, '%s')</script></body></html>",
callback, url)
return widget.RenderHtml(html)
}
func uploadBufWithoutKeyDemo(r gio.Reader, key, uptoken string) {
// @gist uploadBufWithoutKey
var err error
var ret io.PutRet
var extra = &io.PutExtra{
// Params: params,
// MimeType: mieType,
// Crc32: crc32,
// CheckCrc: CheckCrc,
}
// ret 变量用于存取返回的信息，详情见 io.PutRet
// uptoken 为业务服务器端生成的上传口令
// r 为io.Reader类型，用于从其读取数据
// extra 为上传文件的额外信息,可为空， 详情见 io.PutExtra, 可选
err = io.PutWithoutKey(nil, &ret, uptoken, r, extra)
if err != nil {
//上传产生错误
log.Print("io.Put failed:", err)
return
}
//上传成功，处理返回值
log.Print(ret.Hash, ret.Key)
// @endgist
}
func (widget WidgetController) UploadPost() revel.Result {
revel.TRACE.Printf("POST >> widget.upload ...")
widget.Validation.Required(widget.Params.Files["upload"])
if widget.Validation.HasErrors() {
return widget.RenderJson(WidgetResponse{Code: 401, Message: "files absent"})
}
file := widget.Params.Files["upload"][0]
fname := file.Filename
ftype := file.Header.Get("Content-Type")
flength := file.Header.Get("Content-Length")
revel.INFO.Printf("POST >> widget.upload file(%s:%s:%s) ...", fname, ftype, flength)
fd, err := file.Open()
if err != nil {
return widget.RenderJson(WidgetResponse{Code: 402, Message: err.Error()})
}
defer fd.Close()
var url string
if !QiniuEnable {
sub := fmt.Sprintf("%d", time.Now().Unix()%31)
dir := path.Join(revel.BasePath, "upload", sub)
os.MkdirAll(dir, os.ModePerm)
wr, err := os.Create(path.Join(dir, fname))
if err != nil {
return widget.RenderJson(WidgetResponse{Code: 402, Message: err.Error()})
}
defer wr.Close()
if _, err := goio.Copy(wr, fd); err != nil {
return widget.RenderJson(WidgetResponse{Code: 403, Message: err.Error()})
}
url = fmt.Sprintf("/upload/%s/%s", sub, fname)
} else {
var ret io.PutRet
var extra = &io.PutExtra{}
uptoken := QiniuToken(QiniuBucket)
err = io.PutWithoutKey(nil, &ret, uptoken, fd, extra)
if err != nil {
return widget.RenderJson(WidgetResponse{Code: 405, Message: err.Error()})
}
url = fmt.Sprintf("//%s/%s", QiniuDomain, ret.Key)
}
return widget.RenderJson(WidgetResponse{Code: 0, Data: map[string]interface{}{
"url": url,
}})
}
func main() {
c := (&rs.PutPolicy{Scope: "test"}).Token(nil)
fmt.Println(c)
var ret io.PutRet
s := "fdsfdsgdfsg"
for i := 0; i < 100; i++ {
s = s + s
io.PutWithoutKey(nil, &ret, c, strings.NewReader(s), nil)
fmt.Println(len(s), ret)
}
}
func Upload(file_name string, rd goio.Reader) (string, error) {
var url string
if !QiniuEnable {
sub := fmt.Sprintf("%d", time.Now().Unix()%31)
dir := path.Join(revel.BasePath, "upload", sub)
os.MkdirAll(dir, os.ModePerm)
fname := fmt.Sprintf("%s%s", time.Now().Format("20060102150405"), file_name)
wr, err := os.Create(path.Join(dir, fname))
if err != nil {
return "", err
}
defer wr.Close()
if _, err := goio.Copy(wr, rd); err != nil {
return "", err
}
url = fmt.Sprintf("/upload/%s/%s", sub, fname)
} else {
var ret io.PutRet
var extra = &io.PutExtra{}
uptoken := QiniuToken(QiniuBucket)
if file_name != "" {
if err := io.Put(nil, &ret, uptoken, file_name, rd, extra); err != nil {
return "", err
}
} else {
if err := io.PutWithoutKey(nil, &ret, uptoken, rd, extra); err != nil {
return "", err
}
}
url = fmt.Sprintf("http://%s/%s", QiniuDomain, ret.Key)
}
return url, nil
}
//upload user avatar
func UploadUserAvatarToQiniu(r io.ReadSeeker, filename string, mime string, bucketName string, user *models.User) error {
var ext string
// test image mime type
switch mime {
case "image/jpeg":
ext = ".jpg"
case "image/png":
ext = ".png"
case "image/gif":
ext = ".gif"
default:
ext = filepath.Ext(filename)
switch ext {
case ".jpg", ".png", ".gif":
default:
return fmt.Errorf("unsupport image format `%s`", filename)
}
}
// decode image
var err error
switch ext {
case ".jpg":
_, err = jpeg.Decode(r)
case ".png":
_, err = png.Decode(r)
case ".gif":
_, err = gif.Decode(r)
}
if err != nil {
return err
}
//reset reader pointer
if _, err := r.Seek(0, 0); err != nil {
return err
}
var data []byte
if data, err = ioutil.ReadAll(r); err != nil {
return err
}
if len(data) > setting.AvatarImageMaxLength {
return fmt.Errorf("avatar image size too large", filename)
}
//reset reader pointer again
if _, err := r.Seek(0, 0); err != nil {
return err
}
//save to qiniu
var uptoken = utils.GetQiniuUptoken(bucketName)
var putRet qio.PutRet
var putExtra = &qio.PutExtra{
MimeType: mime,
}
err = qio.PutWithoutKey(nil, &putRet, uptoken, r, putExtra)
if err != nil {
return err
}
//update user
user.AvatarKey = putRet.Key
if err := user.Update("AvatarKey", "Updated"); err != nil {
return err
}
return nil
}