使用ContentType "text/xml"时错误的请求以及WCF REST中预定义的XML

本文关键字：quot WCF REST 预定义 XML 错误 text ContentType xml 使用 请求 | 更新日期: 2023-09-27 18:10:24

我需要编写一个REST服务来接受来自客户机应用程序的XML文档。我没有访问客户端应用程序的权限，它不能被更改。

它使用内容类型为text/xml的HTTP POST发送文档;charset = " utf - 8 " .

我试过两种不同的操作合同，它们都有不同的问题…

首先我的主机代码:

    private static WebServiceHost _host;
    public static void ConnectToHost()
    {
        string url = ConfigHelper.GetValue("WebService.config", "WebServiceURL");
        Uri baseAddress = new Uri(url);
        Type instanceType = typeof(CXMLService);
        _host = new WebServiceHost(instanceType, baseAddress);
        Type contractType = typeof(ICXMLService);
        ServiceEndpoint endpoint = _host.AddServiceEndpoint(contractType, new WebHttpBinding(), "Web");            
        endpoint.Behaviors.Add(new WebHttpBehavior());            
        _host.Open();
    }


    [OperationContract]
    [WebInvoke(UriTemplate = "SendText")]
    Stream SendText(Stream s);

我可以使用内容类型"text/plain"接收XML文件，但如果我将其切换为"text/XML"，这是客户端将发送的内容，我会收到400个错误请求。

    [OperationContract]
    [WebInvoke(UriTemplate = "SendXML", Method = "POST",
        BodyStyle = WebMessageBodyStyle.Bare, 
        RequestFormat = WebMessageFormat.Xml, 
        ResponseFormat = WebMessageFormat.Xml)]
    XElement SendXML(XElement xml);

然后它工作与"text/xml"，但失败与400坏请求，因为xml有一个DOCTYPE元素外的根。我不能更改这个XML文件。以下是文件的示例…

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE cXML SYSTEM "http://xml.cXML.org/schemas/cXML/1.2.024/cXML.dtd">
<cXML payloadID="32232995@ariba.acme.com"
      timestamp="2000-10-12T18:39:09-08:00" xml:lang="en-US">
    <Header>
         /// data here
    </Header>
    <Request deploymentMode="test">
       // data here
    </Request>
</cXML>

使用ContentType "text/xml"时错误的请求以及WCF REST中预定义的XML

这是一个将xml文档流式传输到WCF服务的基本方法。

合同:

[OperationContract]
    [WebInvoke(Method = "POST",
        BodyStyle = WebMessageBodyStyle.Bare,
        RequestFormat = WebMessageFormat.Xml,
        ResponseFormat = WebMessageFormat.Xml,
        UriTemplate = "ProfileRequest")]
    Stream ProfileRequest(Stream value);
服务:

    public Stream ProfileRequest(Stream value)
    {
        StreamReader reader = new StreamReader(value);
        string text = reader.ReadToEnd();
        XDocument post = XDocument.Parse(text);
        XDocument response = ProfileRequest(post);
        return new MemoryStream(Encoding.UTF8.GetBytes(response.ToString()));
    }
测试控制台:

            string filePath = "C:'someFile.xml";
            XDocument testDoc = XDocument.Load(filePath);
            XmlDocument xDoc = new XmlDocument();
            xDoc.Load(filePath);
            string newDoc = xDoc.InnerXml.ToString();
            ASCIIEncoding encoding = new ASCIIEncoding();
            byte[] data = encoding.GetBytes(testDoc.ToString());
            string localProfile = "http://localhost/WcfService/Service1.svc/ProfileRequest";
            HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(localProfile);
            webrequest.Method = "POST";
            webrequest.ContentType = "text/xml";
            webrequest.ContentLength = data.Length;
            Stream newStream = webrequest.GetRequestStream();
            newStream.Write(data, 0, data.Length);
            newStream.Close();
            HttpWebResponse webresponse = (HttpWebResponse)webrequest.GetResponse();
            string strResult = string.Empty;
            Encoding enc = System.Text.Encoding.GetEncoding("UTF-8");
            StreamReader loResponseStream = new StreamReader(webresponse.GetResponseStream(), enc);
            strResult = loResponseStream.ReadToEnd();
            loResponseStream.Close();
            webresponse.Close();
            Console.Write(strResult);
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