Oauth/token (#7)

* add host and protocol options

* some fiddling

* tidying up and comments

* tick off /oauth/token

* tidying a bit

* tidying

* go mod tidy

* allow attaching middleware to server

* add middleware

* more user friendly

* add comments

* comments

* store account + app

* tidying

* lots of restructuring

* lint + tidy

internal/module/oauth/clientstore_test.go

@@ -0,0 +1,144 @@
+/*
+   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 oauth
+
+import (
+	"context"
+	"testing"
+
+	"github.com/gotosocial/gotosocial/internal/config"
+	"github.com/gotosocial/gotosocial/internal/db"
+	"github.com/gotosocial/oauth2/v4/models"
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/suite"
+)
+
+type PgClientStoreTestSuite struct {
+	suite.Suite
+	db               db.DB
+	testClientID     string
+	testClientSecret string
+	testClientDomain string
+	testClientUserID string
+}
+
+const ()
+
+// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
+func (suite *PgClientStoreTestSuite) SetupSuite() {
+	suite.testClientID = "test-client-id"
+	suite.testClientSecret = "test-client-secret"
+	suite.testClientDomain = "https://example.org"
+	suite.testClientUserID = "test-client-user-id"
+}
+
+// SetupTest creates a postgres connection and creates the oauth_clients table before each test
+func (suite *PgClientStoreTestSuite) SetupTest() {
+	log := logrus.New()
+	log.SetLevel(logrus.TraceLevel)
+	c := config.Empty()
+	c.DBConfig = &config.DBConfig{
+		Type:            "postgres",
+		Address:         "localhost",
+		Port:            5432,
+		User:            "postgres",
+		Password:        "postgres",
+		Database:        "postgres",
+		ApplicationName: "gotosocial",
+	}
+	db, err := db.New(context.Background(), c, log)
+	if err != nil {
+		logrus.Panicf("error creating database connection: %s", err)
+	}
+
+	suite.db = db
+
+	models := []interface{}{
+		&oauthClient{},
+	}
+
+	for _, m := range models {
+		if err := suite.db.CreateTable(m); err != nil {
+			logrus.Panicf("db connection error: %s", err)
+		}
+	}
+}
+
+// TearDownTest drops the oauth_clients table and closes the pg connection after each test
+func (suite *PgClientStoreTestSuite) TearDownTest() {
+	models := []interface{}{
+		&oauthClient{},
+	}
+	for _, m := range models {
+		if err := suite.db.DropTable(m); err != nil {
+			logrus.Panicf("error dropping table: %s", err)
+		}
+	}
+	if err := suite.db.Stop(context.Background()); err != nil {
+		logrus.Panicf("error closing db connection: %s", err)
+	}
+	suite.db = nil
+}
+
+func (suite *PgClientStoreTestSuite) TestClientStoreSetAndGet() {
+	// set a new client in the store
+	cs := newClientStore(suite.db)
+	if err := cs.Set(context.Background(), suite.testClientID, models.New(suite.testClientID, suite.testClientSecret, suite.testClientDomain, suite.testClientUserID)); err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// fetch that client from the store
+	client, err := cs.GetByID(context.Background(), suite.testClientID)
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// check that the values are the same
+	suite.NotNil(client)
+	suite.EqualValues(models.New(suite.testClientID, suite.testClientSecret, suite.testClientDomain, suite.testClientUserID), client)
+}
+
+func (suite *PgClientStoreTestSuite) TestClientSetAndDelete() {
+	// set a new client in the store
+	cs := newClientStore(suite.db)
+	if err := cs.Set(context.Background(), suite.testClientID, models.New(suite.testClientID, suite.testClientSecret, suite.testClientDomain, suite.testClientUserID)); err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// fetch the client from the store
+	client, err := cs.GetByID(context.Background(), suite.testClientID)
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// check that the values are the same
+	suite.NotNil(client)
+	suite.EqualValues(models.New(suite.testClientID, suite.testClientSecret, suite.testClientDomain, suite.testClientUserID), client)
+	if err := cs.Delete(context.Background(), suite.testClientID); err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	// try to get the deleted client; we should get an error
+	deletedClient, err := cs.GetByID(context.Background(), suite.testClientID)
+	suite.Assert().Nil(deletedClient)
+	suite.Assert().NotNil(err)
+}
+
+func TestPgClientStoreTestSuite(t *testing.T) {
+	suite.Run(t, new(PgClientStoreTestSuite))
+}