Api work for #205

Refactored how we check if the user has a valid api key
Added POST request, PUT and DELTE

Also some work on the updater #29

PlexRequests.UI/Modules/BaseApiModule.cs

@@ -0,0 +1,112 @@
+#region Copyright
+// /************************************************************************
+//    Copyright (c) 2016 Jamie Rees
+//    File: BaseApiModule.cs
+//    Created By: Jamie Rees
+//   
+//    Permission is hereby granted, free of charge, to any person obtaining
+//    a copy of this software and associated documentation files (the
+//    "Software"), to deal in the Software without restriction, including
+//    without limitation the rights to use, copy, modify, merge, publish,
+//    distribute, sublicense, and/or sell copies of the Software, and to
+//    permit persons to whom the Software is furnished to do so, subject to
+//    the following conditions:
+//   
+//    The above copyright notice and this permission notice shall be
+//    included in all copies or substantial portions of the Software.
+//   
+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  ************************************************************************/
+#endregion
+using System.Collections.Generic;
+using System.Linq;
+
+using Nancy;
+using Nancy.Validation;
+
+using PlexRequests.Core.SettingModels;
+using PlexRequests.Store;
+
+namespace PlexRequests.UI.Modules
+{
+    public abstract class BaseApiModule : BaseModule
+    {
+        protected BaseApiModule()
+        {
+            Before += (ctx) => CheckAuth();
+        }
+
+        protected BaseApiModule(string modulePath) : base(modulePath)
+        {
+            Before += (ctx) => CheckAuth();
+        }
+
+        protected Response ReturnReponse(object result)
+        {
+            var queryString = (DynamicDictionary)Context.Request.Query;
+            dynamic value;
+            if (queryString.TryGetValue("xml", out value))
+            {
+                if ((bool)value)
+                {
+                    return Response.AsXml(result);
+                }
+            }
+            return Response.AsJson(result);
+        }
+
+        protected Response ReturnValidationReponse(ModelValidationResult result)
+        {
+            var errors = result.Errors;
+            var model = new ApiModel<List<string>>
+            {
+                Error = true,
+                ErrorMessage = "Please view the error messages inside the data node",
+                Data = new List<string>()
+            };
+
+            foreach (var error in errors)
+            {
+                model.Data.AddRange(error.Value.Select(x => x.ErrorMessage));
+            }
+
+            return ReturnReponse(model);
+        }
+
+        private Response CheckAuth()
+        {
+            var settings = Settings.GetSettings();
+            var apiModel = new ApiModel<List<RequestedModel>> { Data = new List<RequestedModel>() };
+            if (!Authenticated(settings))
+            {
+                apiModel.Error = true;
+                apiModel.ErrorMessage = "ApiKey is invalid or not present, Please use 'apikey' in the querystring.";
+                return ReturnReponse(apiModel);
+            }
+
+            return null;
+        }
+
+        private bool Authenticated(PlexRequestSettings settings)
+        {
+            var query = (DynamicDictionary)Context.Request.Query;
+            dynamic key;
+            if (!query.TryGetValue("apikey", out key))
+            {
+                return false;
+            }
+            if ((string)key == settings.ApiKey)
+            {
+                return true;
+            }
+            return false;
+
+        }
+    }
+}