databroker: add support for querying the databroker (#1443)

* databroker: add support for querying the databroker

* remove query method, use getall so encryption works

* add test

* return early

pkg/storage/storage_test.go

@@ -2,11 +2,14 @@ package storage
 
 import (
 	"context"
+	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
 	"google.golang.org/protobuf/types/known/anypb"
 
 	"github.com/pomerium/pomerium/pkg/grpc/databroker"
+	"github.com/pomerium/pomerium/pkg/grpc/user"
 )
 
 type mockBackend struct {
@@ -16,6 +19,7 @@ type mockBackend struct {
 	list         func(ctx context.Context, sinceVersion string) ([]*databroker.Record, error)
 	delete       func(ctx context.Context, id string) error
 	clearDeleted func(ctx context.Context, cutoff time.Time)
+	query        func(ctx context.Context, query string, offset, limit int) ([]*databroker.Record, int, error)
 	watch        func(ctx context.Context) <-chan struct{}
 }
 
@@ -47,6 +51,20 @@ func (m *mockBackend) ClearDeleted(ctx context.Context, cutoff time.Time) {
 	m.clearDeleted(ctx, cutoff)
 }
 
+func (m *mockBackend) Query(ctx context.Context, query string, offset, limit int) ([]*databroker.Record, int, error) {
+	return m.query(ctx, query, offset, limit)
+}
+
 func (m *mockBackend) Watch(ctx context.Context) <-chan struct{} {
 	return m.watch(ctx)
 }
+
+func TestMatchAny(t *testing.T) {
+	u := &user.User{Id: "id", Name: "name", Email: "email"}
+	data, _ := anypb.New(u)
+	assert.True(t, MatchAny(data, ""))
+	assert.True(t, MatchAny(data, "id"))
+	assert.True(t, MatchAny(data, "name"))
+	assert.True(t, MatchAny(data, "email"))
+	assert.False(t, MatchAny(data, "nope"))
+}