wechaty/go-wechaty

package filebox

import (
    "bytes"
    "fmt"
    "github.com/wechaty/go-wechaty/wechaty-puppet/helper"
    "io"
    "io/ioutil"
    "net/http"
)

type fileBoxUrl struct {
    remoteUrl string
    headers   http.Header
}

func newFileBoxUrl(remoteUrl string, headers http.Header) *fileBoxUrl {
    return &fileBoxUrl{remoteUrl: remoteUrl, headers: headers}
}

func (fb *fileBoxUrl) toJSONMap() (map[string]interface{}, error) {
    if fb.remoteUrl == "" {
        return nil, fmt.Errorf("fileBoxUrl.toJSONMap %w", ErrNoUrl)
    }
    return map[string]interface{}{
        "headers": fb.headers,
        "url":     fb.remoteUrl,
    }, nil
}

func (fb *fileBoxUrl) toBytes() ([]byte, error) { //nolint:unused
    request, err := http.NewRequest(http.MethodGet, fb.remoteUrl, nil)
    if err != nil {
        return nil, err
    }
    request.Header = fb.headers
    response, err := helper.HttpClient.Do(request)
    if err != nil {
        return nil, err
    }
    defer response.Body.Close()
    return ioutil.ReadAll(response.Body)
}

func (fb *fileBoxUrl) toReader() (io.Reader, error) {
    request, err := http.NewRequest(http.MethodGet, fb.remoteUrl, nil)
    if err != nil {
        return nil, err
    }
    request.Header = fb.headers
    response, err := helper.HttpClient.Do(request)
    if err != nil {
        return nil, err
    }
    defer response.Body.Close()

    all, err := ioutil.ReadAll(response.Body)
    if err != nil {
        return nil, err
    }
    return bytes.NewReader(all), nil
}