S3 Storage not working with BackBlaze

[sheckandar]

What happened?

The error I get when attempting to add a release binary via the web UI.

NetworkError when attempting to fetch resource.

I did not see any other errors in the logs.

Expected behavior

Uploaded artifact

Steps to reproduce

1. Configure BackBlaze storage
2. Try to add artifact

Keygate version

0.1.1

Deployment method

From source

Relevant logs

[sheckandar]

UPDATE

Tried it with Garage S3 server and got the same error, but this time I saw an error in Garage logs:

Response: error 403 Forbidden, Forbidden: This CORS request is not allowed.

Not sure if that is the same for BackBlaze

[sheckandar]

More CORS errors from FireFox console:

XHROPTIONS
https://s3.us-west-002.backblazeb2.com/keygate/releases/test/0.0.1/linux-x64.exe?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=0024eaffceaa8f9000000000f/20260731/us-west-002/s3/aws4_request&X-Amz-Date=20260731T040806Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=content-length;content-type;host&x-id=PutObject&X-Amz-Signature=9d4ef164e43786f9300b29ef5b539b965015275572099a560f11126acbc66771
CORS Missing Allow Origin

	
OPTIONS
	https://s3.us-west-002.backblazeb2.com/keygate/releases/test/0.0.1/linux-x64.exe?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=0024eaffceaa8f9000000000f/20260731/us-west-002/s3/aws4_request&X-Amz-Date=20260731T040806Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=content-length;content-type;host&x-id=PutObject&X-Amz-Signature=9d4ef164e43786f9300b29ef5b539b965015275572099a560f11126acbc66771
Status
403
VersionHTTP/1.1
Transferred327 B (0 B size)
Referrer Policystrict-origin-when-cross-origin
DNS ResolutionSystem

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://s3.us-west-002.backblazeb2.com/keygate/releases/test/0.0.1/linux-x64.exe?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=0024eaffceaa8f9000000000f%2F20260731%2Fus-west-002%2Fs3%2Faws4_request&X-Amz-Date=20260731T040806Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=content-length%3Bcontent-type%3Bhost&x-id=PutObject&X-Amz-Signature=9d4ef164e43786f9300b29ef5b539b965015275572099a560f11126acbc66771. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 403.
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://s3.us-west-002.backblazeb2.com/keygate/releases/test/0.0.1/linux-x64.exe?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=0024eaffceaa8f9000000000f%2F20260731%2Fus-west-002%2Fs3%2Faws4_request&X-Amz-Date=20260731T040806Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=content-length%3Bcontent-type%3Bhost&x-id=PutObject&X-Amz-Signature=9d4ef164e43786f9300b29ef5b539b965015275572099a560f11126acbc66771. (Reason: CORS request did not succeed). Status code: (null).