Swagger Editor external reference local file vrs. remote

[Gregg Fiehler]

I have swagger editor running locally.  With Ron's help I got a local file for an external reference to work

fragment of swagger doc:
responses:
        200:
          description: An array of products
          schema:
            type: array
            items:
              $ref: 'ReservationEventDefinitions.json#/definitions/PostalAddress'


I then put the same file in Amazon S3 and I cannot get it to work

  i only updated the $ref line to

$ref: 'https://s3.amazonaws.com/st-swagger-docs/ReservationEventDefinitions.json#/definitions/PostalAddress'

and I get

Swagger Error

Reference could not be resolved: https://s3.amazonaws.com/st-swagger-docs/ReservationEventDefinitions.json#/definitions/PostalAddress

however when I look at the network traffic, both calls work. I have attached the screen print of the editor with the error when using the remote reference, the local one works fine.  So I assume there is a syntax issue on how I am doing the remote reference.  Any help would be appreciated.

Gregg

[Ron Ratovsky]

Hi Gregg,

 

That’s an old version of the editor which we don’t support anymore.

Please try the latest version.

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[Gregg Fiehler]

Ok I installed the latest and then had to change the local file ref to

$ref: 'http://localhost:8080/ReservationEventDefinitions.json#/definitions/PostalAddress'

now that works, but the remote still does not

Errors

Resolver error at paths./products.get.responses.200.schema.items.$ref

Could not resolve reference because of: NetworkError when attempting to fetch resource.

but the network traffic still shows it as a 200

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[Ron Ratovsky]

It looks like the access to the file hosted on S3 is restricted, so the editor can’t read it. You’d need to enable anonymous access to it.

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[Gregg Fiehler]

I don't think that is the issue, the network monitor in the browser shows the call returned the data with a 200 response code and the response is identical to when I use the local file.  Also I can just cut/paste the url in the $ref in the browser and get the document.

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[Gregg Fiehler]

BTW their is a restriction on the S3 URL to only allow it to work inside our firewall so you would not be able to access it for a test.

[Ron Ratovsky]

That would make it difficult for me to figure out what’s wrong…

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[Gregg Fiehler]

ok I switched the file out to something I can share and gave public access

both
$ref: 'https://s3.amazonaws.com/st-swagger-docs/testschema.json/testschema.json#/definitions/PostalAddress'
$ref: 'https://s3.amazonaws.com/st-swagger-docs/testschema.json/testschema.json#/definitions/PostalAddress'

fail with same error as before, but both work if I just cut and paste into browser

 $ref: 'http://localhost:8080/testschema.json#/definitions/PostalAddress'

the local ref still works fine.

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[Ron Ratovsky]

I still can’t access those…

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[Gregg Fiehler]

Hi Ron, I do apologize, I had set it up on Friday to give public read only access and someone changed it back over the weekend.  I just fixed it so it should work now.  Again sorry for the inconvenience.

Gregg

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[Ron Ratovsky]

I’m afraid it still doesn’t work for me…

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[Gregg Fiehler]

try this 

https://s3.amazonaws.com/st-swagger-docs/testschema.json#/definitions/PostalAddress

I had a typo in the URL I sent before, but that is not what is in my swagger document so I am unsure how I messed that up.

[Ron Ratovsky]

Thanks, that worked.

 

It looks like it’s a CORS issue. If you check the console, you’ll see something like this:

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://s3.amazonaws.com/st-swagger-docs/testschema.json. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).

 

Now, yes, the file is being fetched, but it’s not processed because of it.

 

 

 

From: <swagger-sw...@googlegroups.com> on behalf of Gregg Fiehler <gregg....@gmail.com>
Reply-To: "swagger-sw...@googlegroups.com" <swagger-sw...@googlegroups.com>
Date: Tuesday, December 5, 2017 at 09:02
To: Swagger <swagger-sw...@googlegroups.com>
Subject: Re: Swagger Editor external reference local file vrs. remote

 

try this 

 

https://s3.amazonaws.com/st-swagger-docs/testschema.json#/definitions/PostalAddress

 

I had a typo in the URL I sent before, but that is not what is in my swagger document so I am unsure how I messed that up.

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[Gregg Fiehler]

Thanks Ron, I set the CORS config and now it works.  I thought CORS did not fetch the document if it did not get the proper CORS response so I did not look for that.  I really appreciate your time and patience.

Cheers

Gregg