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  • SteveV 56 posts 242 karma points
    Jan 23, 2023 @ 13:12
    SteveV
    0

    Circumvent member login page when using special useragent string

    Is it possible to show a page that is password protected in Umbraco instead of redirecting the visitor to the login page when the useragent HTTP header has a custom string set?

    I'm using an external search engine (Swiftype) that crawls my website but obviously password protected pages are not getting indexed. However, in the settings of the crawler I can set a custom useragent string. The problem is that I don't know how I should cancel the redirect to the login page. Any ideas?

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  • SteveV 56 posts 242 karma points
    Jan 24, 2023 @ 10:32
    SteveV
    0

    I was able to solve it myself. Improvements/suggestions always welcome.

    If you are going to use this code, don't forget to change the DocumentTypeAlias properties, the secret-crawler-useragent-id and TrySetTemplate(...)

    using System;
using Umbraco.Core;
using Umbraco.Web.Routing;

namespace MyCustomer.Custom
{
    public class CrawlerAccess : ApplicationEventHandler
    {
        protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
        {
            PublishedContentRequest.Prepared += PublishedContentRequest_Prepared;
        }

        private void PublishedContentRequest_Prepared(object sender, EventArgs e)
        {
            var request = sender as PublishedContentRequest;

            if (request.PublishedContent != null
                && !request.IsInitialPublishedContent
                && request.InitialPublishedContent.DocumentTypeAlias == "article"
                && request.PublishedContent.DocumentTypeAlias == "loginPage"
                && request.RoutingContext.UmbracoContext.HttpContext.Request.UserAgent.Contains("secret-crawler-useragent-id"))
            {
                request.PublishedContent = request.InitialPublishedContent;
                request.TrySetTemplate("article");
            }
        }
    }
}
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