private async Task <Stream> GetFileRequest(string url)
{
using (var guard = new RequestGuard(_lock))
{
if (!guard.Locked)
{
return(null);
}
Debug.WriteLine(DateTime.Now.TimeOfDay.ToString() + ": " + url);
dynamic map = new object();
HttpClientHandler settings = new HttpClientHandler();
settings.Credentials = GetCredentials();
HttpClient client = new HttpClient(settings);
using (HttpResponseMessage msg = await client.GetAsync(new Uri(url), HttpCompletionOption.ResponseHeadersRead))
{
if (msg.StatusCode == HttpStatusCode.OK)
{
HttpContent content = msg.Content;
this.CameraInfo.Unauthorized = false;
using (Stream stream = await content.ReadAsStreamAsync())
{
return(CopyStream(stream));
}
}
else if (msg.StatusCode == HttpStatusCode.Unauthorized)
{
this.CameraInfo.Unauthorized = true;
}
}
}
return(null);
}
internal async Task <ZipArchive> GetZipAsync(string zipUrl)
{
using (var guard = new RequestGuard(_lock))
{
if (!guard.Locked)
{
return(null);
}
HttpClient client = new HttpClient();
using (HttpResponseMessage msg = await client.GetAsync(new Uri(zipUrl), HttpCompletionOption.ResponseHeadersRead))
{
if (msg.StatusCode == HttpStatusCode.OK)
{
HttpContent content = msg.Content;
using (var stream = await content.ReadAsStreamAsync())
{
var memoryStream = CopyStream(stream);
return(new ZipArchive(memoryStream, System.IO.Compression.ZipArchiveMode.Read));
}
}
else
{
throw new Exception(msg.StatusCode.ToString());
}
}
}
}
private async Task <string> PostFileRequest(string url, Stream fileContent)
{
Debug.WriteLine(DateTime.Now.TimeOfDay.ToString() + ": " + url);
dynamic map = new object();
using (var guard = new RequestGuard(_lock))
{
if (!guard.Locked)
{
return(null);
}
HttpClientHandler settings = new HttpClientHandler();
settings.Credentials = GetCredentials();
HttpContent content = new StreamContent(fileContent);
HttpClient client = new HttpClient(settings);
using (HttpResponseMessage msg = await client.PostAsync(new Uri(url), content))
{
if (msg.StatusCode == HttpStatusCode.OK)
{
// great!
HttpContent response = msg.Content;
string text = await response.ReadAsStringAsync();
if (text.StartsWith("error"))
{
return(text); // error: illegal http frame.
}
this.CameraInfo.Unauthorized = false;
}
else if (msg.StatusCode == HttpStatusCode.Unauthorized)
{
this.CameraInfo.Unauthorized = true;
}
else
{
// upload failed... so now what?
throw new Exception("File upload to FoscamDevice failed: " + msg.StatusCode.ToString());
}
}
}
return(null);
}
private async Task <PropertyBag> SendCgiRequest(string url)
{
Debug.WriteLine(DateTime.Now.TimeOfDay.ToString() + ": " + url);
dynamic map = new object();
PropertyBag result = new PropertyBag();
using (var guard = new RequestGuard(_lock))
{
if (!guard.Locked)
{
return(result);
}
var credentials = GetCredentials();
try
{
HttpClientHandler settings = new HttpClientHandler();
settings.Credentials = credentials;
HttpClient client = new HttpClient(settings);
using (HttpResponseMessage msg = await client.GetAsync(new Uri(url), HttpCompletionOption.ResponseHeadersRead))
{
if (msg.StatusCode == HttpStatusCode.OK)
{
HttpContent content = msg.Content;
string text = await content.ReadAsStringAsync();
result = ParseCgiResult(text);
}
else if (msg.StatusCode == HttpStatusCode.Unauthorized)
{
// password didn't work!
result["Error"] = credentials == null ? StringResources.LoginMissing : StringResources.LoginFailed;
}
else
{
Debug.WriteLine("SendCgiRequest: " + msg.StatusCode.ToString());
result["Error"] = msg.StatusCode.ToString();
}
}
}
catch (Exception ex)
{
Debug.WriteLine("SendCgiRequest: " + ex.Message);
if (this.CameraInfo.Unauthorized)
{
// well then the login is still not valid
result["Error"] = credentials == null ? StringResources.LoginMissing : StringResources.LoginFailed;
}
else
{
HttpRequestException re = ex as HttpRequestException;
if (re != null)
{
WebException we = re.InnerException as WebException;
if (we != null)
{
result["Error"] = we.Message;
result["StatusCode"] = we.Status.ToString();
}
else
{
result["Error"] = ex.Message;
}
}
else
{
result["Error"] = ex.Message;
}
}
}
}
return(result);
}
