init

Kreta.WebApi/Naplo/Kreta.Naplo.Configuration/CorsConfiguration.cs

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+using System;
+using System.Configuration;
+
+namespace Kreta.Naplo.Configuration
+{
+    public class CorsConfiguration : ConfigurationSection, ICorsConfiguration
+    {
+        const string SectionName = "CorsConfiguration";
+
+        static Lazy<CorsConfiguration> instance;
+
+        public static CorsConfiguration Instance
+        {
+            get
+            {
+                return instance.Value;
+            }
+        }
+
+        [ConfigurationProperty(nameof(IsEnabled), IsRequired = true)]
+        public bool IsEnabled => (bool)this[nameof(IsEnabled)];
+
+        [ConfigurationProperty(nameof(Urls), IsRequired = true)]
+        public string Urls => (string)this[nameof(Urls)];
+
+        [ConfigurationProperty(nameof(Headers), IsRequired = true)]
+        public string Headers => (string)this[nameof(Headers)];
+
+        [ConfigurationProperty(nameof(Methods), IsRequired = true)]
+        public string Methods => (string)this[nameof(Methods)];
+
+        [ConfigurationProperty(nameof(SupportsCredentials), IsRequired = true)]
+        public bool SupportsCredentials => (bool)this[nameof(SupportsCredentials)];
+
+        static CorsConfiguration()
+        {
+            instance = new Lazy<CorsConfiguration>(() =>
+            {
+                var section = (CorsConfiguration)ConfigurationManager.GetSection(SectionName);
+
+                if (section == null)
+                {
+                    throw new ConfigurationErrorsException($"{SectionName} configuration section was not found");
+                }
+
+                return section;
+            });
+        }
+    }
+}