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SmashTheGoat
Level 2
August 23, 2016
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Hosting Static HTML in the JCR

  • August 23, 2016
  • 17 replies
  • 18950 views

Hi, 

I've got a use case where I need to store and serve static html, js, css, images, flash videos, and etc from the JCR. 

The only suggestions I could find on how to do this come from this article. http://blogs.adobe.com/dekesmith/2012/05/22/place-simple-html-and-image-files-online-with-crx-and-cq/

I've tried all methods of uploading my static content as described in the article and have been able to consistently upload my static content to the JCR. However, the problem that I'm facing is actually trying to render the content. 

In AEM 6.2, when I attempt to hit the static content, such as: /content/some-site/some-static-page.html, it is treated like a binary download. It does the same for all the other filetypes that I've uploaded. Instead of trying to render them, it simply downloads them to my computer.

I noticed that the article was written in 2012, so I tried this on an older version of AEM, specifically 5.6.1, and I was successfully able to render the content within the browser.

I think it has something to do with the one of the rendering servlets, but I'm not sure. Any help is greatly appreciated. 

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    Best answer by SmashTheGoat

    It appears the reason it downloads the files is due to the Apache Sling Content Disposition Filter.

    Adding the path that contains my static files to the Content Disposition Paths list allows my content to render

    This resolves my issue. Hopefully it helps someone else in the future.

    17 replies

    Show previous replies
    sawan051
    sawan051
    Level 3
    March 28, 2019

    I also had similar requirement and have used the process explained by @francisco.ribeiro .

    In case you are hosting the HTML files in DAM, you can disable it by changing an OSGI Config:

    Dam Safe Binary Filter (com.day.cq.dam.core.impl.servlet.DamContentDispositionFilter), remove text/html from Blacklisted Mime Types

    It worked all good till 6.2, now we are upgrading to 6.4 and again now HTML files have started downloading, instead of rendering in browser. Is Dam Safe Binary filter deprecated in 6.4?

    Any suggestion, how it can be done in 6.4, is there a way to enable same from content/dam?

      Gaurav-Behl
      Gaurav-Behl
      Level 10
      March 28, 2019

      In a regular HTTP response, the Content-Disposition response header is a header indicating if the content is expected to be displayed inline in the browser, that is, as a Web page or as part of a Web page, or as an attachment, that is downloaded and saved locally.

      Content-Disposition: inline  or

      Content-Disposition: attachment; filename="filename.jpg"

      Content-Disposition - HTTP | MDN

      Modify the header's value either via custom code in AEM or Apache mod_header. There should be a configuration in osgi to override the headers.

        sawan051
        sawan051
        Level 3
        March 28, 2019

        Thanks for replying so quick, but here is the case:

        The static HTML files are not created in AEM, a different team designs ant write contents to them. Till 6.2 these HTML files were loading fine and now with 6.4 , we can not change the headers for hundreds of already live files.

        I debugged more meanwhile for Dam safe Binary filter and observed that the configurations are not bound to any bundle in 6.4.

        In 6.2 it was bound to a bundle under libs "jcrinstall:/libs/dam/install/cq-dam-core-5.8.172.jar".

        what has happened to this configuration in 6.4?

          Gaurav-Behl
          Gaurav-Behl
          Level 10
          March 28, 2019

          I haven't got a chance to debug "what has changed" with this feature and cq-dam-core configurations. Probably a DayCare ticket would help in case no one is able to spend time on it.

          Even if the file is not created in AEM, I assume it is still served by Apache where you can modify the headers. Ideal solution would be to fix it at source/AEM.

            sawan051
            sawan051
            Level 3
            March 28, 2019

            Thanks again for your reply!!

            I will raise a day care, meanwhile can you please guide me, which service/configuration can be used to modify headers?

              jetate
              jetate
              Level 4
              April 16, 2019

              Have you made any progress with this?

                sawan051
                sawan051
                Level 3
                April 16, 2019

                I have raised a daycare ticket and they have suggested to uncheck the box in "Content Disposition Filter" as mentioned above.

                But i have asked them back about security issue with enabling the checkbox, they are yet to reply on that.

                Meanwhile if there are other options, it would be really helpful. Thanks.

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