Allow setting of configuration at runtime in ASP.NET MVC/WebAPI

src/Bugsnag.AspNet/Client.cs

@@ -1,4 +1,5 @@
 using System.Web;
+using Bugsnag.ConfigurationSection;
 
 namespace Bugsnag.AspNet
 {
@@ -27,7 +28,7 @@ public static IClient Current
           {
             // this is the first time a client has been requested for this
             // request scope, so create one and attach it to the request
-            var requestScopedClient = new Bugsnag.Client(ConfigurationSection.Configuration.Settings);
+            var requestScopedClient = new Bugsnag.Client(RuntimeConfiguration);
             HttpContext.Current.Items[HttpContextItemsKey] = requestScopedClient;
             return requestScopedClient;
           }
@@ -39,13 +40,31 @@ public static IClient Current
           {
             if (_globalClient == null)
             {
-              _globalClient = new Bugsnag.Client(ConfigurationSection.Configuration.Settings);
+              _globalClient = new Bugsnag.Client(RuntimeConfiguration);
             }
           }
 
           return _globalClient;
         }
       }
     }
+
+    private static Configuration _runtimeConfiguration;
+    public static Configuration RuntimeConfiguration
+    {
+      get
+      {
+        if (_runtimeConfiguration == null)
+        {
+          _runtimeConfiguration = ConfigurationSection.Configuration.Settings.ToWritableCopy();
+        }
+
+        return _runtimeConfiguration;
+      }
+      set
+      {
+        _runtimeConfiguration = value;
+      }
+    }
   }
 }

src/Bugsnag.ConfigurationSection/ConfigurationExtensions.cs

@@ -0,0 +1,29 @@
+namespace Bugsnag.ConfigurationSection
+{
+  public static class ConfigurationExtensions
+  {
+    public static Bugsnag.Configuration ToWritableCopy(this Configuration config)
+    {
+      return new Bugsnag.Configuration()
+      {
+        ApiKey = config.ApiKey,
+        AppType = config.AppType,
+        AppVersion = config.AppVersion,
+        AutoCaptureSessions = config.AutoCaptureSessions,
+        AutoNotify = config.AutoNotify,
+        Endpoint = config.Endpoint,
+        GlobalMetadata = config.GlobalMetadata,
+        IgnoreClasses = config.IgnoreClasses,
+        MaximumBreadcrumbs = config.MaximumBreadcrumbs,
+        MetadataFilters = config.MetadataFilters,
+        NotifyReleaseStages = config.NotifyReleaseStages,
+        ProjectNamespaces = config.ProjectNamespaces,
+        ProjectRoots = config.ProjectRoots,
+        Proxy = config.Proxy,
+        ReleaseStage = config.ReleaseStage,
+        SessionEndpoint = config.SessionEndpoint,
+        SessionTrackingInterval = config.SessionTrackingInterval
+      };
+    }
+  }
+}