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package s3iam
import (
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"
"time"
proto "github.com/golang/protobuf/proto"
)
const (
iamConfigPrefix = "/etc/iam"
iamIdentityFile = "identity.json"
)
type IAMFilerStore struct {
client *filer_pb.SeaweedFilerClient
}
func NewIAMFilerStore(client *filer_pb.SeaweedFilerClient) *IAMFilerStore {
return &IAMFilerStore{client: client}
}
func (ifs *IAMFilerStore) getIAMConfigRequest() *filer_pb.LookupDirectoryEntryRequest {
return &filer_pb.LookupDirectoryEntryRequest{
Directory: iamConfigPrefix,
Name: iamIdentityFile,
}
}
func (ifs *IAMFilerStore) LoadIAMConfig(config *iam_pb.S3ApiConfiguration) error {
resp, err := filer_pb.LookupEntry(*ifs.client, ifs.getIAMConfigRequest())
if err != nil {
return err
}
err = ifs.loadIAMConfigFromEntryExtended(&resp.Entry.Extended, config)
if err != nil {
return err
}
return nil
}
func (ifs *IAMFilerStore) SaveIAMConfig(config *iam_pb.S3ApiConfiguration) error {
entry := &filer_pb.Entry{
Name: iamIdentityFile,
IsDirectory: false,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(0644),
Collection: "",
Replication: "",
},
Extended: make(map[string][]byte),
}
err := ifs.saveIAMConfigToEntryExtended(&entry.Extended, config)
if err != nil {
return err
}
_, err = filer_pb.LookupEntry(*ifs.client, ifs.getIAMConfigRequest())
if err == filer_pb.ErrNotFound {
err = filer_pb.CreateEntry(*ifs.client, &filer_pb.CreateEntryRequest{
Directory: iamConfigPrefix,
Entry: entry,
IsFromOtherCluster: false,
Signatures: nil,
})
} else {
err = filer_pb.UpdateEntry(*ifs.client, &filer_pb.UpdateEntryRequest{
Directory: iamConfigPrefix,
Entry: entry,
IsFromOtherCluster: false,
Signatures: nil,
})
}
if err != nil {
return err
}
return nil
}
func (ifs *IAMFilerStore) loadIAMConfigFromEntryExtended(extended *map[string][]byte, config *iam_pb.S3ApiConfiguration) error {
for _, ident := range *extended {
identity := &iam_pb.Identity{}
if err := proto.Unmarshal(ident, identity); err != nil {
return err
}
config.Identities = append(config.Identities, identity)
}
return nil
}
func (ifs *IAMFilerStore) saveIAMConfigToEntryExtended(extended *map[string][]byte, config *iam_pb.S3ApiConfiguration) error {
for _, identity := range config.Identities {
ident, err := proto.Marshal(identity)
if err != nil {
return err
}
(*extended)[identity.Name] = ident
}
return nil
}