s3: sync bucket info from filer (#3759)

6 files changed, 113 insertions, 0 deletions

diff --git a/weed/s3api/s3_constants/acp_canned_acl.go b/weed/s3api/s3_constants/acp_canned_acl.go
new file mode 100644
index 000000000..eab497872
--- /dev/null
+++ b/weed/s3api/s3_constants/acp_canned_acl.go
@@ -0,0 +1,65 @@
+package s3_constants
+
+import (
+	"github.com/aws/aws-sdk-go/service/s3"
+)
+
+const (
+	CannedAclPrivate                = "private"
+	CannedAclPublicRead             = "public-read"
+	CannedAclPublicReadWrite        = "public-read-write"
+	CannedAclAuthenticatedRead      = "authenticated-read"
+	CannedAclLogDeliveryWrite       = "log-delivery-write"
+	CannedAclBucketOwnerRead        = "bucket-owner-read"
+	CannedAclBucketOwnerFullControl = "bucket-owner-full-control"
+	CannedAclAwsExecRead            = "aws-exec-read"
+)
+
+var (
+	PublicRead = []*s3.Grant{
+		{
+			Grantee: &s3.Grantee{
+				Type: &GrantTypeGroup,
+				URI:  &GranteeGroupAllUsers,
+			},
+			Permission: &PermissionRead,
+		},
+	}
+
+	PublicReadWrite = []*s3.Grant{
+		{
+			Grantee: &s3.Grantee{
+				Type: &GrantTypeGroup,
+				URI:  &GranteeGroupAllUsers,
+			},
+			Permission: &PermissionRead,
+		},
+		{
+			Grantee: &s3.Grantee{
+				Type: &GrantTypeGroup,
+				URI:  &GranteeGroupAllUsers,
+			},
+			Permission: &PermissionWrite,
+		},
+	}
+
+	AuthenticatedRead = []*s3.Grant{
+		{
+			Grantee: &s3.Grantee{
+				Type: &GrantTypeGroup,
+				URI:  &GranteeGroupAuthenticatedUsers,
+			},
+			Permission: &PermissionRead,
+		},
+	}
+
+	LogDeliveryWrite = []*s3.Grant{
+		{
+			Grantee: &s3.Grantee{
+				Type: &GrantTypeGroup,
+				URI:  &GranteeGroupLogDelivery,
+			},
+			Permission: &PermissionWrite,
+		},
+	}
+)
diff --git a/weed/s3api/s3_constants/acp_grantee_group.go b/weed/s3api/s3_constants/acp_grantee_group.go
new file mode 100644
index 000000000..a315fb0f7
--- /dev/null
+++ b/weed/s3api/s3_constants/acp_grantee_group.go
@@ -0,0 +1,8 @@
+package s3_constants
+
+//Amazon S3 predefined groups
+var (
+	GranteeGroupAllUsers           = "http://acs.amazonaws.com/groups/global/AllUsers"
+	GranteeGroupAuthenticatedUsers = "http://acs.amazonaws.com/groups/global/AuthenticatedUsers"
+	GranteeGroupLogDelivery        = "http://acs.amazonaws.com/groups/s3/LogDelivery"
+)
diff --git a/weed/s3api/s3_constants/acp_grantee_type.go b/weed/s3api/s3_constants/acp_grantee_type.go
new file mode 100644
index 000000000..7a4dfaf16
--- /dev/null
+++ b/weed/s3api/s3_constants/acp_grantee_type.go
@@ -0,0 +1,7 @@
+package s3_constants
+
+var (
+	GrantTypeCanonicalUser         = "CanonicalUser"
+	GrantTypeAmazonCustomerByEmail = "AmazonCustomerByEmail"
+	GrantTypeGroup                 = "Group"
+)
diff --git a/weed/s3api/s3_constants/acp_ownership.go b/weed/s3api/s3_constants/acp_ownership.go
new file mode 100644
index 000000000..e11e95935
--- /dev/null
+++ b/weed/s3api/s3_constants/acp_ownership.go
@@ -0,0 +1,18 @@
+package s3_constants
+
+var (
+	OwnershipBucketOwnerPreferred = "BucketOwnerPreferred"
+	OwnershipObjectWriter         = "ObjectWriter"
+	OwnershipBucketOwnerEnforced  = "BucketOwnerEnforced"
+
+	DefaultOwnershipForCreate = OwnershipObjectWriter
+	DefaultOwnershipForExists = OwnershipBucketOwnerEnforced
+)
+
+func ValidateOwnership(ownership string) bool {
+	if ownership == "" || (ownership != OwnershipBucketOwnerPreferred && ownership != OwnershipObjectWriter && ownership != OwnershipBucketOwnerEnforced) {
+		return false
+	} else {
+		return true
+	}
+}
diff --git a/weed/s3api/s3_constants/acp_permisson.go b/weed/s3api/s3_constants/acp_permisson.go
new file mode 100644
index 000000000..4b875ff49
--- /dev/null
+++ b/weed/s3api/s3_constants/acp_permisson.go
@@ -0,0 +1,9 @@
+package s3_constants
+
+var (
+	PermissionFullControl = "FULL_CONTROL"
+	PermissionRead        = "READ"
+	PermissionWrite       = "WRITE"
+	PermissionReadAcp     = "READ_ACP"
+	PermissionWriteAcp    = "WRITE_ACP"
+)
diff --git a/weed/s3api/s3_constants/extend_key.go b/weed/s3api/s3_constants/extend_key.go
new file mode 100644
index 000000000..10b69979e
--- /dev/null
+++ b/weed/s3api/s3_constants/extend_key.go
@@ -0,0 +1,6 @@
+package s3_constants
+
+const (
+	ExtAcpKey       = "Seaweed-X-Amz-Acp"
+	ExtOwnershipKey = "Seaweed-X-Amz-Ownership"
+)