Merge branch 'v4.1' into v4.2

Conflicts:
	src/DotNetOpenAuth.Core/Messaging/MessagingUtilities.cs

4 files changed, 10 insertions, 2 deletions

diff --git a/src/DotNetOpenAuth.Core/Loggers/Log4NetLogger.cs b/src/DotNetOpenAuth.Core/Loggers/Log4NetLogger.cs
index 293a6b2..01da034 100644
--- a/src/DotNetOpenAuth.Core/Loggers/Log4NetLogger.cs
+++ b/src/DotNetOpenAuth.Core/Loggers/Log4NetLogger.cs
@@ -201,6 +201,8 @@ namespace DotNetOpenAuth.Loggers {
 				return IsLog4NetPresent ? CreateLogger(name) : null;
 			} catch (FileLoadException) { // wrong log4net.dll version
 				return null;
+			} catch (TargetInvocationException) { // Thrown due to some security issues on .NET 4.5.
+				return null;
 			} catch (TypeLoadException) { // Thrown by mono (http://stackoverflow.com/questions/10805773/error-when-pushing-dotnetopenauth-to-staging-or-production-environment)
 				return null;
 			}
diff --git a/src/DotNetOpenAuth.Core/Messaging/MessagingUtilities.cs b/src/DotNetOpenAuth.Core/Messaging/MessagingUtilities.cs
index e859162..80703c1 100644
--- a/src/DotNetOpenAuth.Core/Messaging/MessagingUtilities.cs
+++ b/src/DotNetOpenAuth.Core/Messaging/MessagingUtilities.cs
@@ -399,7 +399,8 @@ namespace DotNetOpenAuth.Messaging {
 			// the public URL:
 			if (serverVariables["HTTP_HOST"] != null) {
 				ErrorUtilities.VerifySupported(request.Url.Scheme == Uri.UriSchemeHttps || request.Url.Scheme == Uri.UriSchemeHttp, "Only HTTP and HTTPS are supported protocols.");
-				string scheme = serverVariables["HTTP_X_FORWARDED_PROTO"] ?? request.Url.Scheme;
+				string scheme = serverVariables["HTTP_X_FORWARDED_PROTO"] ??
+					(string.Equals(serverVariables["HTTP_FRONT_END_HTTPS"], "on", StringComparison.OrdinalIgnoreCase) ? Uri.UriSchemeHttps : request.Url.Scheme);
 				Uri hostAndPort = new Uri(scheme + Uri.SchemeDelimiter + serverVariables["HTTP_HOST"]);
 				UriBuilder publicRequestUri = new UriBuilder(request.Url);
 				publicRequestUri.Scheme = scheme;
diff --git a/src/DotNetOpenAuth.Core/Util.cs b/src/DotNetOpenAuth.Core/Util.cs
index 3babba5..26b7b45 100644
--- a/src/DotNetOpenAuth.Core/Util.cs
+++ b/src/DotNetOpenAuth.Core/Util.cs
@@ -111,7 +111,7 @@ namespace DotNetOpenAuth {
 					foreach (var pair in pairs) {
 						var key = pair.Key.ToString();
 						string value = pair.Value.ToString();
-						if (messageDictionary != null && messageDictionary.Description.Mapping[key].IsSecuritySensitive) {
+						if (messageDictionary != null && messageDictionary.Description.Mapping.ContainsKey(key) && messageDictionary.Description.Mapping[key].IsSecuritySensitive) {
 							value = "********";
 						}
 
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/UriIdentifier.cs b/src/DotNetOpenAuth.OpenId/OpenId/UriIdentifier.cs
index 631eab6..41417de 100644
--- a/src/DotNetOpenAuth.OpenId/OpenId/UriIdentifier.cs
+++ b/src/DotNetOpenAuth.OpenId/OpenId/UriIdentifier.cs
@@ -69,6 +69,11 @@ namespace DotNetOpenAuth.OpenId {
 		/// </remarks>
 		[SuppressMessage("Microsoft.Performance", "CA1810:InitializeReferenceTypeStaticFieldsInline", Justification = "Some things just can't be done in a field initializer.")]
 		static UriIdentifier() {
+			if (Type.GetType("Mono.Runtime") != null) {
+				// Uri scheme registration doesn't work on mono.
+				return;
+			}
+
 			// Our first attempt to handle trailing periods in path segments is to leverage
 			// full trust if it's available to rewrite the rules.
 			// In fact this is the ONLY way in .NET 3.5 (and arguably in .NET 4.0) to send