How to set policy of space

May 31, 2018 461 views
API DigitalOcean Storage Ubuntu 16.04
dumeng81
By:
dumeng81

I tried to use s3cmd to set policy of a space. The policy file is like:

{
    "Statement": [
        {
            "Sid": "Allow get requests referred by localhost",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
            },
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::my-bucket/policy/*",
            "Condition": {
                "StringLike": {
                    "aws:Referer": [
                        "http://localhost:8080/*"

                    ]
                }
            }
        }
    ]
}

and then run 

s3cmd setpolicy policy s3://my-bucket

The command run without error, but when get the info:

s3cmd info s3://my-bucket

It showed there is no policy on this space:

s3://my-bucket/ (bucket):
   Location:  sgp1
   Payer:     BucketOwner
   Expiration Rule: none
   Policy:    none
  ...

And I still can not access the private file at localhost.

Does space support setpolicy or I done something wrong?

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4 Answers
zraine August 22, 2018
Accepted Answer

Here is my bucket policy.json create from AWS S3 and It work with DO Spaces.
Don't forget to change to your bucketname and your domain.

{
    "Version": "2017-10-17",
    "Id": "http referer policy example",
    "Statement": [
        {
            "Sid": "Allow get requests originating from www.yourdomain.com and subdomain.yourdomain.com.",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::yourbucketname/*",
            "Condition": {
                "StringLike": {
                    "aws:Referer": [
                        "https://www.yourdomain.com/*",
                        "https://subdomain.yourdomain.com/*"
                    ]
                }
            }
        }
    ]
}
Reply
zraine August 22, 2018

Try to create policy.json instead policy and run s3cmd setpolicy policy.json s3://my-bucket
If still don't work recheck the policy.json path is correct.

It's work for me.

Reply
dumeng81 August 22, 2018
[deleted]
Reply
zraine August 22, 2018

My DO spaces is in nyc3 region.
Also I just try setpolicy with sgp1 region. It's work. Here is the bucket info.
Notice : It seem sgp1 region have some problem, the connection fail many times. Hope DO staff will check and solve this problem. 

s3://mybucketname/ (bucket):
   Location:  sgp1
   Payer:     BucketOwner
   Expiration Rule: none
   Policy:    {
    "Version": "2017-10-17",
    "Id": "http referer policy example",
    "Statement": [
        {
            "Sid": "Allow get requests originating from www.mydomain.com and subdomain.mydomain.com.",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::mybucketname/*",
            "Condition": {
                "StringLike": {
                    "aws:Referer": [
                        "https://www.mydomain.com/*",
                        "https://subdomain.mydomain.com/*"
                    ]
                }
            }
        }
    ]
}
   CORS:      none
   ACL:       xxxxxx: FULL_CONTROL
Reply
  • dumeng81 August 22, 2018

    Feels like the problems in sgp1 still exists. I have two droplets in sgp1, and can not
    directly login in one of them and have to login in another droplet and ssh from it to the other.

    • zraine August 22, 2018

      I think you should contact the support team to check your bucket and sgp1 region about this problem. Hope they will fix the problem soon.

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