refactor proxy

Signed-off-by: Christian Richter <crichter@owncloud.com>

extensions/proxy/pkg/middleware/create_home.go

@@ -0,0 +1,64 @@
+package middleware
+
+import (
+	"net/http"
+
+	gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
+	rpc "github.com/cs3org/go-cs3apis/cs3/rpc/v1beta1"
+	provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
+	revactx "github.com/cs3org/reva/v2/pkg/ctx"
+	"github.com/cs3org/reva/v2/pkg/rgrpc/status"
+	"github.com/owncloud/ocis/ocis-pkg/log"
+	"google.golang.org/grpc/metadata"
+)
+
+// CreateHome provides a middleware which sends a CreateHome request to the reva gateway
+func CreateHome(optionSetters ...Option) func(next http.Handler) http.Handler {
+	options := newOptions(optionSetters...)
+	logger := options.Logger
+
+	return func(next http.Handler) http.Handler {
+		return &createHome{
+			next:              next,
+			logger:            logger,
+			revaGatewayClient: options.RevaGatewayClient,
+		}
+	}
+}
+
+type createHome struct {
+	next              http.Handler
+	logger            log.Logger
+	revaGatewayClient gateway.GatewayAPIClient
+}
+
+func (m createHome) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	if !m.shouldServe(req) {
+		m.next.ServeHTTP(w, req)
+		return
+	}
+
+	token := req.Header.Get("x-access-token")
+
+	// we need to pass the token to authenticate the CreateHome request.
+	//ctx := tokenpkg.ContextSetToken(r.Context(), token)
+	ctx := metadata.AppendToOutgoingContext(req.Context(), revactx.TokenHeader, token)
+
+	createHomeReq := &provider.CreateHomeRequest{}
+	createHomeRes, err := m.revaGatewayClient.CreateHome(ctx, createHomeReq)
+
+	if err != nil {
+		m.logger.Err(err).Msg("error calling CreateHome")
+	} else if createHomeRes.Status.Code != rpc.Code_CODE_OK {
+		err := status.NewErrorFromCode(createHomeRes.Status.Code, "gateway")
+		if createHomeRes.Status.Code != rpc.Code_CODE_ALREADY_EXISTS {
+			m.logger.Err(err).Msg("error when calling Createhome")
+		}
+	}
+
+	m.next.ServeHTTP(w, req)
+}
+
+func (m createHome) shouldServe(req *http.Request) bool {
+	return req.Header.Get("x-access-token") != ""
+}