Question

Why can I use "http://localhost:PORT" with CORS in Spaces?

Safari doesn’t respect my wildcard rule in CORS but Firefox and Chrome do. None of the suggestions in this StackOverflow post helped either: https://stackoverflow.com/questions/16824661/cors-request-not-working-in-safari/39875236.

I feel like this could be remedied if Spaces was configured to allow a URL without a TLD.

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Andrew SB • February 28, 2018
Accepted Answer

Thanks for flagging this issue for us. It looks like the input validation in our control panel is a bit too strict here. As a work-around until this experience is improved, you can create CORs configurations for Spaces using the API for origins without a TLD. For example, using s3cmd you can run:

  1. s3cmd setcors cors.xml s3://example-space

Where the contents of the cors.xml file contains your CORs configurations in XML format. For example:

<CORSConfiguration>
 <CORSRule>
   <AllowedOrigin>http://localhost:3000</AllowedOrigin>

   <AllowedMethod>PUT</AllowedMethod>
   <AllowedMethod>POST</AllowedMethod>
   <AllowedMethod>DELETE</AllowedMethod>

   <AllowedHeader>*</AllowedHeader>
 </CORSRule>
</CORSConfiguration>

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mihae06f9f44effc54818bb508 • March 27, 2019

So the year has gone by and it still isn’t possible to set http://127.0.0.1:12345 as a cors via the control panel

Hugo M. • October 17, 2018

CORS options are now available thru DigitalOcean Dashboard. If you are facing this problem:

  1. Go to https://cloud.digitalocean.com/spaces
  2. Select your Space
  3. Go to Settings tab
  4. On “CORS Configurations”, click on the “+” (Plus) button

Create a new configuration with this values:

  • Origin: *
  • Allowed Methods: GET
  • Allowed Headers: Click “Add header” an them: *
  • Save options

Should work.

MattDavis00 • December 31, 2020

For a step by step of how to complete this using s3cmd please see https://stackoverflow.com/a/65523591/8419289

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