Gateway+metadata (cs3org#289)

* Add metadata support
* Add gateway as required element of the deployment
* New code layout enforcing Go best practices for encapsulation
* Support for multiple authentication backends
* New user provider grpc service

.golangci.yaml

@@ -1,6 +1,6 @@
 issues:
   exclude-rules:
-    - path: cmd/revad/svcs/httpsvcs/handlers/log/log.go
+    - path: internal/http/interceptors/log/log.go
       text: "SA1019:"
       linters:
         - staticcheck

CONTRIBUTORS.md

@@ -3,7 +3,9 @@
 - Felix Hillingshaeuser <[email protected]>
 - Giuseppe <[email protected]>
 - Giuseppe Lo Presti <[email protected]>
+- Hannah von Reth <[email protected]>
 - Hugo Gonzalez Labrador <[email protected]>
+- Hugo Gonzalez Labrador <[email protected]>
 - Ilja Neumann <[email protected]>
 - Jörn Friedrich Dreyer <[email protected]>
 - Mohitty <[email protected]>

cmd/reva/download.go

@@ -27,7 +27,7 @@ import (
 	"github.com/cheggaaa/pb"
 	rpcpb "github.com/cs3org/go-cs3apis/cs3/rpc"
 	storageproviderv0alphapb "github.com/cs3org/go-cs3apis/cs3/storageprovider/v0alpha"
-	"github.com/cs3org/reva/cmd/revad/svcs/httpsvcs/utils"
+	"github.com/cs3org/reva/pkg/rhttp"
 )
 
 func downloadCommand() *command {
@@ -43,7 +43,7 @@ func downloadCommand() *command {
 		remote := cmd.Args()[0]
 		local := cmd.Args()[1]
 
-		client, err := getStorageProviderClient()
+		client, err := getClient()
 		if err != nil {
 			return err
 		}
@@ -84,12 +84,13 @@ func downloadCommand() *command {
 
 		dataServerURL := res.DownloadEndpoint
 		// TODO(labkode): do a protocol switch
-		httpReq, err := utils.NewRequest(ctx, "GET", dataServerURL, nil)
+		httpReq, err := rhttp.NewRequest(ctx, "GET", dataServerURL, nil)
 		if err != nil {
 			return err
 		}
 
-		httpClient := utils.GetHTTPClient(ctx)
+		httpReq.Header.Set("X-Reva-Transfer", res.Token)
+		httpClient := rhttp.GetHTTPClient(ctx)
 
 		httpRes, err := httpClient.Do(httpReq)
 		if err != nil {

cmd/reva/gen/gen.go

@@ -27,7 +27,7 @@ import (
 	"os"
 	"text/template"
 
-	authv0alphapb "github.com/cs3org/go-cs3apis/cs3/auth/v0alpha"
+	userproviderv0alphapb "github.com/cs3org/go-cs3apis/cs3/userprovider/v0alpha"
 )
 
 var baseTemplate = `# This config file will start a reva instance that:
@@ -130,7 +130,7 @@ header = "x-access-token"
 token_strategy = "header"
 token_manager = "jwt"
 # GenerateAccessToken contains the credentials in the payload. Skip auth, otherwise services cannot obtain a token.
-skip_methods = ["/cs3.authv0alpha.AuthService/GenerateAccessToken"]
+skip_methods = ["/cs3.authproviderv0alpha.AuthService/GenerateAccessToken"]
 
 [grpc.interceptors.auth.token_strategies.header]
 header = "X-Access-Token"
@@ -401,7 +401,7 @@ type UserVars struct {
 }
 
 // WriteUsers writes a basic auth protected reva.toml file to the given path
-func WriteUsers(p string, users []*authv0alphapb.User) {
+func WriteUsers(p string, users []*userproviderv0alphapb.User) {
 
 	var uservars []*UserVars