Content security policy headers (CSP)

DNN Platform/DotNetNuke.ContentSecurityPolicy/BaseCspContributor.cs

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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information
+
+namespace DotNetNuke.ContentSecurityPolicy
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Text.RegularExpressions;
+
+    /// <summary>
+    /// Base class for all CSP directive contributors.
+    /// </summary>
+    public abstract class BaseCspContributor
+    {
+        /// <summary>
+        /// Gets unique identifier for the contributor.
+        /// </summary>
+        public Guid Id { get; } = Guid.NewGuid();
+
+        /// <summary>
+        /// Gets or sets type of the CSP directive.
+        /// </summary>
+        public CspDirectiveType DirectiveType { get; protected set; }
+
+        /// <summary>
+        /// Generates the directive string.
+        /// </summary>
+        /// <returns>The directive string.</returns>
+        public abstract string GenerateDirective();
+    }
+}