5 files changed, 147 insertions, 27 deletions
diff --git a/weed/filer/filer_conf.go b/weed/filer/filer_conf.go
index d56db3b8e..6a746f7ba 100644
--- a/weed/filer/filer_conf.go
+++ b/weed/filer/filer_conf.go
@@ -15,6 +15,8 @@ import (
 const (
 	DirectoryEtc  = "/etc"
 	FilerConfName = "filer.conf"
+	IamConfigDirecotry = "/etc/iam"
+	IamIdentityFile = "identity.json"
 )
 
 type FilerConf struct {
diff --git a/weed/filer/read.go b/weed/filer/read.go
deleted file mode 100644
index 13f282dc7..000000000
--- a/weed/filer/read.go
+++ /dev/null
@@ -1,27 +0,0 @@
-package filer
-
-import (
-	"bytes"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/wdclient"
-	"math"
-)
-
-func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
-
-	request := &filer_pb.LookupDirectoryEntryRequest{
-		Directory: dir,
-		Name:      name,
-	}
-	respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
-	if err != nil {
-		return err
-	}
-	if len(respLookupEntry.Entry.Content) > 0 {
-		_, err = byteBuffer.Write(respLookupEntry.Entry.Content)
-		return err
-	}
-
-	return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64)
-
-}
diff --git a/weed/filer/read_write.go b/weed/filer/read_write.go
new file mode 100644
index 000000000..8561d848b
--- /dev/null
+++ b/weed/filer/read_write.go
@@ -0,0 +1,63 @@
+package filer
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/chrislusf/seaweedfs/weed/wdclient"
+	"math"
+	"net/http"
+)
+
+func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
+
+	request := &filer_pb.LookupDirectoryEntryRequest{
+		Directory: dir,
+		Name:      name,
+	}
+	respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
+	if err != nil {
+		return err
+	}
+	if len(respLookupEntry.Entry.Content) > 0 {
+		_, err = byteBuffer.Write(respLookupEntry.Entry.Content)
+		return err
+	}
+
+	return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64)
+
+}
+
+func ReadContent(filerAddress string, dir, name string) ([]byte, error) {
+
+	target := fmt.Sprintf("http://%s%s/%s", filerAddress, dir, name)
+
+	data, _, err := util.Get(target)
+
+	return data, err
+}
+
+func SaveAs(host string, port int, dir, name string, contentType string, byteBuffer *bytes.Buffer) error {
+
+	target := fmt.Sprintf("http://%s:%d%s/%s", host, port, dir, name)
+
+	// set the HTTP method, url, and request body
+	req, err := http.NewRequest(http.MethodPut, target, byteBuffer)
+	if err != nil {
+		return err
+	}
+
+	// set the request header Content-Type for json
+	if contentType != "" {
+		req.Header.Set("Content-Type", contentType)
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	util.CloseResponse(resp)
+
+	return nil
+
+}
diff --git a/weed/filer/s3iam_conf.go b/weed/filer/s3iam_conf.go
new file mode 100644
index 000000000..92387fb09
--- /dev/null
+++ b/weed/filer/s3iam_conf.go
@@ -0,0 +1,25 @@
+package filer
+
+import (
+	"bytes"
+	"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"
+	"github.com/golang/protobuf/jsonpb"
+	"io"
+)
+
+func ParseS3ConfigurationFromBytes(content []byte, config *iam_pb.S3ApiConfiguration) error {
+	if err := jsonpb.Unmarshal(bytes.NewBuffer(content), config); err != nil {
+		return err
+	}
+	return nil
+}
+
+func S3ConfigurationToText(writer io.Writer, config *iam_pb.S3ApiConfiguration) error {
+
+	m := jsonpb.Marshaler{
+		EmitDefaults: false,
+		Indent:       "  ",
+	}
+
+	return m.Marshal(writer, config)
+}
diff --git a/weed/filer/s3iam_conf_test.go b/weed/filer/s3iam_conf_test.go
new file mode 100644
index 000000000..88f446151
--- /dev/null
+++ b/weed/filer/s3iam_conf_test.go
@@ -0,0 +1,57 @@
+package filer
+
+import (
+	"bytes"
+	"github.com/chrislusf/seaweedfs/weed/s3api"
+	"testing"
+
+	"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestS3Conf(t *testing.T) {
+	s3Conf := &iam_pb.S3ApiConfiguration{
+		Identities: []*iam_pb.Identity{
+			{
+				Name: "some_name",
+				Credentials: []*iam_pb.Credential{
+					{
+						AccessKey: "some_access_key1",
+						SecretKey: "some_secret_key1",
+					},
+				},
+				Actions: []string{
+					s3api.ACTION_ADMIN,
+					s3api.ACTION_READ,
+					s3api.ACTION_WRITE,
+				},
+			},
+			{
+				Name: "some_read_only_user",
+				Credentials: []*iam_pb.Credential{
+					{
+						AccessKey: "some_access_key2",
+						SecretKey: "some_secret_key2",
+					},
+				},
+				Actions: []string{
+					s3api.ACTION_READ,
+					s3api.ACTION_TAGGING,
+					s3api.ACTION_LIST,
+				},
+			},
+		},
+	}
+	var buf bytes.Buffer
+	err := S3ConfigurationToText(&buf, s3Conf)
+	assert.Equal(t, err, nil)
+	s3ConfSaved := &iam_pb.S3ApiConfiguration{}
+	err = ParseS3ConfigurationFromBytes(buf.Bytes(), s3ConfSaved)
+	assert.Equal(t, err, nil)
+
+	assert.Equal(t, "some_name", s3ConfSaved.Identities[0].Name)
+	assert.Equal(t, "some_read_only_user", s3ConfSaved.Identities[1].Name)
+	assert.Equal(t, "some_access_key1", s3ConfSaved.Identities[0].Credentials[0].AccessKey)
+	assert.Equal(t, "some_secret_key2", s3ConfSaved.Identities[1].Credentials[0].SecretKey)
+}