AWS S3 ACL Modification

The trick is to use the right namespace, see the xmlns section below.

You should also be sure to re-grant yourself full access with every ACL update.


So your ACL update document should look something like this:


<AccessControlPolicy
xmlns="
http://s3.amazonaws.com/doc/2006-03-01/">

<Owner>

<ID>1234567890</ID>


<DisplayName>pguillard</DisplayName>

</Owner>

<AccessControlList>

<Grant>

<Grantee xmlns:xsi="

http://www.w3.org/2001/XMLSchema-instance" xsi:type="Group">

<URI>
http://acs.amazonaws.com/groups/global/AllUsers</URI>

</Grantee>


<Permission>READ</Permission>

</Grant>

<Grant>

<Grantee xmlns:xsi="

http://www.w3.org/2001/XMLSchema-instance" xsi:type="CanonicalUser">

<ID>1234567890</ID>

<DisplayName>pguillard</DisplayName>


</Grantee>

<Permission>FULL_CONTROL</Permission>

</Grant>

</AccessControlList>


</AccessControlPolicy>