fix redirect loop, remove user/session services, remove duplicate deleted_at fields (#1162)

* fix redirect loop, remove user/session services, remove duplicate deleted_at fields

* change loop

* reuse err variable

* wrap errors, use cookie timeout

* wrap error, duplicate if

pkg/grpc/user/user.go

@@ -3,8 +3,10 @@ package user
 
 import (
 	context "context"
+	"fmt"
 
 	"github.com/golang/protobuf/ptypes"
+	"google.golang.org/protobuf/types/known/anypb"
 
 	"github.com/pomerium/pomerium/internal/protoutil"
 	"github.com/pomerium/pomerium/pkg/grpc/databroker"
@@ -19,13 +21,13 @@ func Get(ctx context.Context, client databroker.DataBrokerServiceClient, userID
 		Id:   userID,
 	})
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error getting user from databroker: %w", err)
 	}
 
 	var u User
 	err = ptypes.UnmarshalAny(res.GetRecord().GetData(), &u)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error unmarshaling user from databroker: %w", err)
 	}
 	return &u, nil
 }
@@ -34,3 +36,17 @@ func Get(ctx context.Context, client databroker.DataBrokerServiceClient, userID
 func (user *User) GetClaim(claim string) interface{} {
 	return protoutil.AnyToInterface(user.GetClaims()[claim])
 }
+
+// Set sets a user in the databroker.
+func Set(ctx context.Context, client databroker.DataBrokerServiceClient, u *User) (*databroker.Record, error) {
+	any, _ := anypb.New(u)
+	res, err := client.Set(ctx, &databroker.SetRequest{
+		Type: any.GetTypeUrl(),
+		Id:   u.Id,
+		Data: any,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error setting user in databroker: %w", err)
+	}
+	return res.GetRecord(), nil
+}