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namespace DotNetOpenId {
using System;
using System.Net;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using System.Net.Mime;
using System.Diagnostics;
using System.Globalization;
[Serializable]
[DebuggerDisplay("{StatusCode} {ContentType.MediaType}: {ReadResponseString().Substring(4,50)}")]
internal class UntrustedWebResponse {
const string DefaultContentEncoding = "ISO-8859-1";
public Stream ResponseStream { get; private set; }
public HttpStatusCode StatusCode { get; private set; }
public ContentType ContentType { get; private set; }
public string ContentEncoding { get; private set; }
public WebHeaderCollection Headers { get; private set; }
public Uri RequestUri { get; private set; }
public Uri FinalUri { get; private set; }
public UntrustedWebResponse(Uri requestUri, Uri finalRequestUri, HttpWebResponse response, Stream responseStream) {
if (requestUri == null) throw new ArgumentNullException("requestUri");
if (finalRequestUri == null) throw new ArgumentNullException("finalRequestUri");
if (response == null) throw new ArgumentNullException("response");
if (responseStream == null) throw new ArgumentNullException("responseStream");
this.RequestUri = requestUri;
this.ResponseStream = responseStream;
StatusCode = response.StatusCode;
if (!string.IsNullOrEmpty(response.ContentType)) {
try {
ContentType = new ContentType(response.ContentType);
} catch (FormatException) {
Logger.ErrorFormat("HTTP response to {0} included an invalid Content-Type header value: {1}", response.ResponseUri.AbsoluteUri, response.ContentType);
}
}
ContentEncoding = string.IsNullOrEmpty(response.ContentEncoding) ? DefaultContentEncoding : response.ContentEncoding;
Headers = response.Headers;
FinalUri = finalRequestUri;
}
/// <summary>
/// Constructs a mock web response.
/// </summary>
internal UntrustedWebResponse(Uri requestUri, Uri responseUri, WebHeaderCollection headers,
HttpStatusCode statusCode, string contentType, string contentEncoding, Stream responseStream) {
if (requestUri == null) throw new ArgumentNullException("requestUri");
if (responseStream == null) throw new ArgumentNullException("responseStream");
RequestUri = requestUri;
ResponseStream = responseStream;
StatusCode = statusCode;
if (!string.IsNullOrEmpty(contentType)) {
try {
ContentType = new ContentType(contentType);
} catch (FormatException) {
Logger.ErrorFormat("HTTP response to {0} included an invalid Content-Type header value: {1}", responseUri.AbsoluteUri, contentType);
}
}
ContentEncoding = string.IsNullOrEmpty(contentEncoding) ? DefaultContentEncoding : contentEncoding;
Headers = headers;
FinalUri = responseUri;
}
public string ReadResponseString() {
// We do NOT put a using clause around this or dispose of the StreamReader
// because that would dispose of the underlying stream, preventing this
// method from being called again.
StreamReader sr = new StreamReader(ResponseStream, Encoding.GetEncoding(ContentEncoding));
long oldPosition = ResponseStream.Position;
string result = sr.ReadToEnd();
ResponseStream.Seek(oldPosition, SeekOrigin.Begin);
return result;
}
public override string ToString() {
StringBuilder sb = new StringBuilder();
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "RequestUri = {0}", RequestUri));
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "ResponseUri = {0}", FinalUri));
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "StatusCode = {0}", StatusCode));
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "ContentType = {0}", ContentType));
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "ContentEncoding = {0}", ContentEncoding));
sb.AppendLine("Headers:");
foreach (string header in Headers) {
sb.AppendLine(string.Format(CultureInfo.CurrentCulture, "\t{0}: {1}", header, Headers[header]));
}
sb.AppendLine("Response:");
sb.AppendLine(ReadResponseString());
return sb.ToString();
}
}
}
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