func Image(ctx *tango.Context) {
token := ctx.Params().Get(":path")
// split token and file ext
var filePath string
if i := strings.IndexRune(token, '.'); i == -1 {
return
} else {
filePath = token[i+1:]
token = token[:i]
}
// decode token to file path
var image models.Image
if err := image.DecodeToken(token); err != nil {
log.Info(err)
return
}
// file real path
filePath = attachment.GenImagePath(&image) + filePath
// if x-send on then set header and http status
// fall back use proxy serve file
if setting.ImageXSend {
//ext := filepath.Ext(filePath)
// TODO:
//ctx.Header().ContentType(ext)
ctx.Header().Set(setting.ImageXSendHeader, "/"+filePath)
ctx.WriteHeader(http.StatusOK)
} else {
// direct serve file use go
ctx.ServeFile(filePath)
}
}
func (rh *RecoveryHandler) Handle(ctx *tango.Context) {
// capture render-controller error
if render, ok := ctx.Action().(ITheme); ok {
if err, ok := ctx.Result.(tango.AbortError); ok {
render.RenderError(err.Code(), err)
return
}
if err, ok := ctx.Result.(error); ok {
ctx.WriteHeader(500)
render.RenderError(ctx.Status(), err)
return
}
}
// capture abort error
/*
if err, ok := ctx.Result.(tango.AbortError); ok {
ctx.WriteHeader(err.Code())
theme := new(ThemeRender)
theme.SetTheme(nil)
theme.RenderError(err.Code(), err)
return
}*/
// unexpected error
tango.Errors()(ctx)
}