Case in fetched URLs

Ricardo Puerto

February 19, 2018 16:21

Just spotted a problem of duplicate images that at first sight could be a URL casing problem.

 

These two URLs show the same image (note the case difference in letter “z/Z” after “Doz8”):

https://res.cloudinary.com/dadaln9bf/image/fetch/https%3A%2F%2Fadventoorer.com%2F-image.php%3Fid%3DDoz8ZLy%26format%3Dq640x448

https://res.cloudinary.com/dadaln9bf/image/fetch/https%3A%2F%2Fadventoorer.com%2F-image.php%3Fid%3DDoz8zLy%26format%3Dq640x448

 

Retrieving the images directly gets the correct, different images:

https://adventoorer.com/-image.php?id=Doz8ZLy&format=q640x448

https://adventoorer.com/-image.php?id=Doz8zLy&format=q640x448

 

Flushing the media library and executing the first two URLs directly in the browser gets the same image.

Flushing the media library again and executing the first two URLs directly in the browser, but now in reverse order gets the same image (but the second one).

 

Are you aware of this behavior? Is it intentional? Is it a bug?

 

Thanks.

Ricardo

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  Marissa Masangcay

  February 21, 2018 21:26

  Hi Ricardo,
  
  We are aware of this behavior - public IDs are actually case insensitive. Cloudinary will cache the public ID which was originally used to store the resource so this is why you were seeing the same image for the second URL as well.

  However, if this is a configuration you'd like to change we can gladly change the settings on your account to have case-sensitive fetch URLs so that this will no longer be the default behavior. Just let us know :)
  
  I hope this helps!

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  Ricardo Puerto

  February 21, 2018 21:32

  Hi Marissa,

   

  Thanks for the reply! That makes sense, yes, but it’s not what I was expecting. Could you please change the setting for “dadaln9bf" and also for “adventoorer"? Thanks in advance.

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  Marissa Masangcay

  February 22, 2018 17:59 Edited

  Hi Ricardo,

  Your settings have been updated :)

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  Ricardo Puerto

  February 22, 2018 18:06

  Thank you!

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  Armin Sadeghzadeh

  June 16, 2022 22:10

  it seems like my settings spontaneously went from insensitive to sensitive. was there a company wide switch?

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  Francis Tagbo

  June 17, 2022 10:26

  Hi Armin,

  There is no change in our system that happened to update this setting.
  
  I could see that you have created a support ticket for us for the same issue.
  I am asking you to share sample URLs that have this issue so I can check on it.
  
  You can give us sample URLs to investigate it.
  
  Thanks,
  Francis

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