35 lines
1.5 KiB
C#
35 lines
1.5 KiB
C#
namespace System.Web.Mvc {
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Web.Mvc.Resources;
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[SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes", Justification = "Unsealed because type contains virtual extensibility points.")]
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[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
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public class RequireHttpsAttribute : FilterAttribute, IAuthorizationFilter {
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public virtual void OnAuthorization(AuthorizationContext filterContext) {
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if (filterContext == null) {
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throw new ArgumentNullException("filterContext");
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}
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if (!filterContext.HttpContext.Request.IsSecureConnection) {
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HandleNonHttpsRequest(filterContext);
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}
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}
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protected virtual void HandleNonHttpsRequest(AuthorizationContext filterContext) {
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// only redirect for GET requests, otherwise the browser might not propagate the verb and request
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// body correctly.
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if (!String.Equals(filterContext.HttpContext.Request.HttpMethod, "GET", StringComparison.OrdinalIgnoreCase)) {
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throw new InvalidOperationException(MvcResources.RequireHttpsAttribute_MustUseSsl);
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}
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// redirect to HTTPS version of page
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string url = "https://" + filterContext.HttpContext.Request.Url.Host + filterContext.HttpContext.Request.RawUrl;
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filterContext.Result = new RedirectResult(url);
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}
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}
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}
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