[英]How to Authenticate an AXIS camera with ONVIF
我有3个ONVIF相机(Bosch,Pansonic和AXIS)。 我使用WS-Discovery查找摄像机,并且可以使用GetDeviceInformation从摄像机获取信息。 我的问题是,当我尝试从中获取信息时,AXIS相机返回(400)错误的请求,另外两个则像超级按钮一样工作。
我已经从SourceForge安装了ONVIF设备管理器。 如果我在程序中输入登录凭据,则可以从AXIS摄像机流式传输实时视频。 如果我没有输入任何登录凭据,则可以找到相机,但不能流式传输任何视频。 因此,基于此我得出结论,相机配置正确。
我认为这与绑定上的登录凭证有关,但无法弄清楚出了什么问题。
我的代码看起来像这样
private void CustomBinding2()
{
try
{
const string SERVICE_ADDRESS_DIRECT = "http://192.168.1.72/onvif/device_service"; //400 bad request
const string USERNAME = "cbk";
const string PASSWORD = "12";
HttpTransportBindingElement httpTransportBindingElement = new HttpTransportBindingElement();
httpTransportBindingElement.MaxReceivedMessageSize = Int32.MaxValue;
httpTransportBindingElement.KeepAliveEnabled = false;
httpTransportBindingElement.MaxBufferSize = Int32.MaxValue;
httpTransportBindingElement.ProxyAddress = null;
httpTransportBindingElement.BypassProxyOnLocal = true;
httpTransportBindingElement.UseDefaultWebProxy = false;
httpTransportBindingElement.TransferMode = TransferMode.StreamedResponse;
httpTransportBindingElement.AuthenticationScheme = AuthenticationSchemes.Basic;
TextMessageEncodingBindingElement messegeElement = new TextMessageEncodingBindingElement();
messegeElement.MessageVersion = MessageVersion.CreateVersion(EnvelopeVersion.Soap12, AddressingVersion.None);
CustomBinding binding = new CustomBinding(messegeElement, httpTransportBindingElement);
binding.CloseTimeout = TimeSpan.FromSeconds(30.0);
binding.OpenTimeout = TimeSpan.FromSeconds(30.0);
binding.SendTimeout = TimeSpan.FromMinutes(10.0);
binding.ReceiveTimeout = TimeSpan.FromMinutes(3.0);
EndpointAddress serviceAddress = new EndpointAddress(SERVICE_ADDRESS_DIRECT);
ChannelFactory<Device> channelFactory = new ChannelFactory<Device>(binding, serviceAddress);
channelFactory.Credentials.UserName.UserName = USERNAME;
channelFactory.Credentials.UserName.Password = PASSWORD;
Device channel = channelFactory.CreateChannel();
string model, firmwareVersion, serialNumber, hardwareId;
channel.GetDeviceInformation(out model, out firmwareVersion, out serialNumber, out hardwareId);
MessageBox.Show(string.Format("Model: {0}", model));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
解决了问题...
最让我受骗的一件事是,AXIS摄像机和客户端(PC)必须在+ -5秒内保持时间同步。 如果更改PC时间,我只会收到400错误的请求。 如果时间匹配,一切正常!!!
DateTime UTCTime = DateTime.UtcNow;
tbInfo.AppendText(string.Format("Client Local Time: {0}\n", DateTime.Now.ToString("HH:mm:ss")));
tbInfo.AppendText(string.Format("Client UTC Time: {0}\n", UTCTime.ToString("HH:mm:ss")));
tbInfo.AppendText("\n\n");
HttpTransportBindingElement httpTransport = new HttpTransportBindingElement();
TransportSecurityBindingElement transportSecurity = new TransportSecurityBindingElement();
transportSecurity.EndpointSupportingTokenParameters.SignedEncrypted.Add(new UsernameTokenParameters());
transportSecurity.AllowInsecureTransport = true;
transportSecurity.IncludeTimestamp = false;
TextMessageEncodingBindingElement textMessageEncoding = new TextMessageEncodingBindingElement(MessageVersion.Soap12, Encoding.UTF8);
CustomBinding binding = new CustomBinding(transportSecurity, textMessageEncoding, httpTransport);
EndpointAddress serviceAddress = new EndpointAddress(addressDirect);
ChannelFactory<Device> channelFactory = new ChannelFactory<Device>(binding, serviceAddress);
UsernameClientCredentials credentials = new UsernameClientCredentials(new UsernameInfo(username, password));
channelFactory.Endpoint.Behaviors.Remove(typeof(ClientCredentials));
channelFactory.Endpoint.Behaviors.Add(credentials);
Device channel = channelFactory.CreateChannel();
var unitTime = channel.GetSystemDateAndTime(new GetSystemDateAndTimeRequest());
tbInfo.AppendText(string.Format("Camera Local Time: {0}:{1}:{2}\n", unitTime.SystemDateAndTime.LocalDateTime.Time.Hour, unitTime.SystemDateAndTime.LocalDateTime.Time.Minute, unitTime.SystemDateAndTime.LocalDateTime.Time.Second));
tbInfo.AppendText(string.Format("Camera UTC Time: {0}:{1}:{2}\n", unitTime.SystemDateAndTime.UTCDateTime.Time.Hour, unitTime.SystemDateAndTime.UTCDateTime.Time.Minute, unitTime.SystemDateAndTime.UTCDateTime.Time.Second));
var info = channel.GetDeviceInformation(new GetDeviceInformationRequest());
MessageBox.Show(string.Format("Model: {0}", info.Model));
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