Building PowerApps with Naver Map API

naver-map-api-facade.cs

public static class StaticMapHttpTrigger
{
    [FunctionName("StaticMapHttpTrigger")]
    public static async Task<IActionResult> Run(
        [HttpTrigger(AuthorizationLevel.Function, "get", Route = "staticmap")] HttpRequest req,
        ILogger log)
    {
        log.LogInformation("C# HTTP trigger function processed a request.");

        var qs = req.QueryString.ToString();

        var requestUri = $"https://naveropenapi.apigw.ntruss.com/map-static/v2/raster-cors{qs}";
        var uri = new Uri(requestUri);
        var content = default(byte[]);

        using (var client = new HttpClient())
        {
            client.DefaultRequestHeaders.Add("Referer", "http://localhost");
            content = await client.GetByteArrayAsync(requestUri).ConfigureAwait(false);
        }

        return new FileContentResult(content, "image/png");
    }
}