4 files changed, 123 insertions, 0 deletions
diff --git a/internal/storage/inmem.go b/internal/storage/inmem.go
new file mode 100644
index 000000000..25432fbaa
--- /dev/null
+++ b/internal/storage/inmem.go
@@ -0,0 +1,31 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+)
+
+func NewInMem(c *config.Config, log *logrus.Logger) (Storage, error) {
+	return &inMemStorage{
+		stored: make(map[string][]byte),
+	}, nil
+}
+
+type inMemStorage struct {
+	stored map[string][]byte
+}
+
+func (s *inMemStorage) StoreFileAt(path string, data []byte) error {
+	s.stored[path] = data
+	return nil
+}
+
+func (s *inMemStorage) RetrieveFileFrom(path string) ([]byte, error) {
+	d, ok := s.stored[path]
+	if !ok {
+		return nil, fmt.Errorf("no data found at path %s", path)
+	}
+	return d, nil
+}
diff --git a/internal/storage/local.go b/internal/storage/local.go
new file mode 100644
index 000000000..29461d5d4
--- /dev/null
+++ b/internal/storage/local.go
@@ -0,0 +1,21 @@
+package storage
+
+import (
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+)
+
+func NewLocal(c *config.Config, log *logrus.Logger) (Storage, error) {
+	return &localStorage{}, nil
+}
+
+type localStorage struct {
+}
+
+func (s *localStorage) StoreFileAt(path string, data []byte) error {
+	return nil
+}
+
+func (s *localStorage) RetrieveFileFrom(path string) ([]byte, error) {
+	return nil, nil
+}
diff --git a/internal/storage/mock_Storage.go b/internal/storage/mock_Storage.go
new file mode 100644
index 000000000..865d52205
--- /dev/null
+++ b/internal/storage/mock_Storage.go
@@ -0,0 +1,47 @@
+// Code generated by mockery v2.7.4. DO NOT EDIT.
+
+package storage
+
+import mock "github.com/stretchr/testify/mock"
+
+// MockStorage is an autogenerated mock type for the Storage type
+type MockStorage struct {
+	mock.Mock
+}
+
+// RetrieveFileFrom provides a mock function with given fields: path
+func (_m *MockStorage) RetrieveFileFrom(path string) ([]byte, error) {
+	ret := _m.Called(path)
+
+	var r0 []byte
+	if rf, ok := ret.Get(0).(func(string) []byte); ok {
+		r0 = rf(path)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(string) error); ok {
+		r1 = rf(path)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// StoreFileAt provides a mock function with given fields: path, data
+func (_m *MockStorage) StoreFileAt(path string, data []byte) error {
+	ret := _m.Called(path, data)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(string, []byte) error); ok {
+		r0 = rf(path, data)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
diff --git a/internal/storage/storage.go b/internal/storage/storage.go
new file mode 100644
index 000000000..fa884ed07
--- /dev/null
+++ b/internal/storage/storage.go
@@ -0,0 +1,24 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package storage
+
+type Storage interface {
+	StoreFileAt(path string, data []byte) error
+	RetrieveFileFrom(path string) ([]byte, error)
+}