status-im/status-go

package discord

import (
    "io/ioutil"
    "net/http"
    "time"

    "github.com/ethereum/go-ethereum/log"
    "github.com/status-im/status-go/images"
)

func DownloadAvatarAsset(url string) ([]byte, error) {
    imgs, err := images.GenerateIdentityImagesFromURL(url)
    if err != nil {
        return nil, err
    }
    payload := imgs[0].Payload
    return payload, nil
}

func DownloadAsset(url string) ([]byte, string, error) {
    client := http.Client{Timeout: time.Minute}
    res, err := client.Get(url)
    if err != nil {
        return nil, "", err
    }
    defer func() {
        if err := res.Body.Close(); err != nil {
            log.Error("failed to close message asset http request body", "err", err)
        }
    }()

    contentType := res.Header.Get("Content-Type")
    bodyBytes, err := ioutil.ReadAll(res.Body)
    return bodyBytes, contentType, err
}