Ivalid URL when uses S3 compatibility storage

[akamajoris]

Bug Report

Hi there.

Steps to Reproduce

1. Install extension, install s3 requirements
2. Configure module. Set Endpoint for example as https://s3.fr-par.scw.cloud/
3. Upload a file
4. See invalid link in the response

   [upl-image-preview url=https://<bucketname>.s3.fr-par.amazonaws.com/2021-09-10/1631276392-52976-ldpi.png]

Expected Behavior The link should be https://<bucketname>.s3.fr-par.scw.cloud/2021-09-10/1631276392-52976-ldpi.png

The valid setting name of Endpoint is awsS3Endpoint not a cdnUrl that uses in the AwsS3.php file.

Possible solution(s) replace in file src/Adapters/AwsS3.php $cdnUrl = $settings->get('fof-upload.cdnUrl'); by $settings->get('fof-upload.awsS3Endpoint');

[imorland]

You should also add Content Delivery URL (prefixes files) (just above the S3 settings) to your required value.