2 files changed, 10 insertions, 4 deletions
diff --git a/src/DotNetOpenAuth/Messaging/HttpRequestInfo.cs b/src/DotNetOpenAuth/Messaging/HttpRequestInfo.cs
index 94990c8..6ce87a8 100644
--- a/src/DotNetOpenAuth/Messaging/HttpRequestInfo.cs
+++ b/src/DotNetOpenAuth/Messaging/HttpRequestInfo.cs
@@ -13,6 +13,7 @@ namespace DotNetOpenAuth.Messaging {
 	using System.Globalization;
 	using System.IO;
 	using System.Net;
+	using System.Net.Mime;
 	using System.ServiceModel.Channels;
 	using System.Web;
 
@@ -233,7 +234,8 @@ namespace DotNetOpenAuth.Messaging {
 			get {
 				Contract.Ensures(Contract.Result<NameValueCollection>() != null);
 				if (this.form == null) {
-					if (this.HttpMethod == "POST" && this.Headers[HttpRequestHeader.ContentType] == Channel.HttpFormUrlEncoded) {
+					ContentType contentType = string.IsNullOrEmpty(this.Headers[HttpRequestHeader.ContentType]) ? null : new ContentType(this.Headers[HttpRequestHeader.ContentType]);
+					if (this.HttpMethod == "POST" && contentType != null && string.Equals(contentType.MediaType, Channel.HttpFormUrlEncoded, StringComparison.Ordinal)) {
 						StreamReader reader = new StreamReader(this.InputStream);
 						long originalPosition = 0;
 						if (this.InputStream.CanSeek) {
diff --git a/src/DotNetOpenAuth/OAuth/ChannelElements/OAuthChannel.cs b/src/DotNetOpenAuth/OAuth/ChannelElements/OAuthChannel.cs
index 499b996..1af2d7e 100644
--- a/src/DotNetOpenAuth/OAuth/ChannelElements/OAuthChannel.cs
+++ b/src/DotNetOpenAuth/OAuth/ChannelElements/OAuthChannel.cs
@@ -12,6 +12,7 @@ namespace DotNetOpenAuth.OAuth.ChannelElements {
 	using System.Globalization;
 	using System.IO;
 	using System.Net;
+	using System.Net.Mime;
 	using System.Text;
 	using System.Web;
 	using DotNetOpenAuth.Messaging;
@@ -140,9 +141,12 @@ namespace DotNetOpenAuth.OAuth.ChannelElements {
 			}
 
 			// Scrape the entity
-			if (string.Equals(request.Headers[HttpRequestHeader.ContentType], HttpFormUrlEncoded, StringComparison.Ordinal)) {
-				foreach (string key in request.Form) {
-					fields.Add(key, request.Form[key]);
+			if (!string.IsNullOrEmpty(request.Headers[HttpRequestHeader.ContentType])) {
+				ContentType contentType = new ContentType(request.Headers[HttpRequestHeader.ContentType]);
+				if (string.Equals(contentType.MediaType, HttpFormUrlEncoded, StringComparison.Ordinal)) {
+					foreach (string key in request.Form) {
+						fields.Add(key, request.Form[key]);
+					}
 				}
 			}