diff --git a/go.mod b/go.mod
index 75b82ea18..6f1ede9ed 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,12 @@ module github.com/gotosocial/gotosocial
 go 1.16
 
 require (
-	github.com/gin-contrib/sessions v0.0.3 // indirect
+	github.com/gin-contrib/sessions v0.0.3
 	github.com/gin-gonic/gin v1.6.3
 	github.com/go-fed/activity v1.0.0
 	github.com/go-pg/pg/extra/pgdebug v0.2.0
 	github.com/go-pg/pg/v10 v10.8.0
-	github.com/go-session/session v3.1.2+incompatible // indirect
+	github.com/go-session/session v3.1.2+incompatible
 	github.com/golang/mock v1.4.4 // indirect
 	github.com/google/uuid v1.2.0 // indirect
 	github.com/gotosocial/oauth2/v4 v4.2.1-0.20210316171520-7b12112bbb88
diff --git a/go.sum b/go.sum
index 6edb85cb4..f482187af 100644
--- a/go.sum
+++ b/go.sum
@@ -105,8 +105,6 @@ github.com/gorilla/sessions v1.1.3 h1:uXoZdcdA5XdXF3QzuSlheVRUvjl+1rKY7zBXL68L9R
 github.com/gorilla/sessions v1.1.3/go.mod h1:8KCfur6+4Mqcc6S0FEfKuN15Vl5MgXW92AE8ovaJD0w=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/gotosocial/oauth2/v4 v4.2.1-0.20210315164102-1f7842217e57 h1:+zKsBEkg1cbz7zJDms1KMU9vJBeBAlElS1SbK/x0Rvc=
-github.com/gotosocial/oauth2/v4 v4.2.1-0.20210315164102-1f7842217e57/go.mod h1:zl5kwHf/atRUrY5yOyDnk49Us1Ygs0BzdW4jKAgoiP8=
 github.com/gotosocial/oauth2/v4 v4.2.1-0.20210316171520-7b12112bbb88 h1:YJ//HmHOYJ4srm/LA6VPNjNisneMbY6TTM1xttV/ZQU=
 github.com/gotosocial/oauth2/v4 v4.2.1-0.20210316171520-7b12112bbb88/go.mod h1:zl5kwHf/atRUrY5yOyDnk49Us1Ygs0BzdW4jKAgoiP8=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
@@ -163,6 +161,7 @@ github.com/onsi/gomega v1.10.5/go.mod h1:gza4q3jKQJijlu05nKWRCW/GavJumGt8aNRxWg7
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/quasoft/memstore v0.0.0-20180925164028-84a050167438 h1:jnz/4VenymvySjE+Ez511s0pqVzkUOmr1fwCVytNNWk=
 github.com/quasoft/memstore v0.0.0-20180925164028-84a050167438/go.mod h1:wTPjTepVu7uJBYgZ0SdWHQlIas582j6cn2jgk4DDdlg=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
diff --git a/internal/api/server.go b/internal/api/server.go
index 0cfe23531..321c932cd 100644
--- a/internal/api/server.go
+++ b/internal/api/server.go
@@ -69,8 +69,8 @@ func (s *server) AttachHandler(method string, path string, handler gin.HandlerFu
 
 func New(config *config.Config, logger *logrus.Logger) Server {
 	engine := gin.New()
-	store := memstore.NewStore([]byte("authentication-key"), []byte("encryption-key"))
-	engine.Use(sessions.Sessions("mysession", store))
+	store := memstore.NewStore([]byte("authentication-key"), []byte("encryption-keyencryption-key----"))
+	engine.Use(sessions.Sessions("gotosocial-session", store))
 	return &server{
 		APIGroup: engine.Group("/api").Group("/v1"),
 		logger:   logger,
diff --git a/internal/oauth/oauth.go b/internal/oauth/oauth.go
index 94258b806..d1f3bcf54 100644
--- a/internal/oauth/oauth.go
+++ b/internal/oauth/oauth.go
@@ -19,16 +19,12 @@
 package oauth
 
 import (
-	"bytes"
-	"fmt"
 	"net/http"
 	"net/url"
-	"time"
 
 	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
 	"github.com/go-pg/pg/v10"
-	"github.com/go-session/session"
 	"github.com/gotosocial/gotosocial/internal/api"
 	"github.com/gotosocial/gotosocial/internal/gtsmodel"
 	"github.com/gotosocial/oauth2/v4"
@@ -48,6 +44,19 @@ type API struct {
 	log     *logrus.Logger
 }
 
+type login struct {
+	Username string `form:"username"`
+	Password string `form:"password"`
+}
+
+type authorize struct {
+	ForceLogin   string `form:"force_login,omitempty"`
+	ResponseType string `form:"response_type"`
+	ClientID     string `form:"client_id"`
+	RedirectURI  string `form:"redirect_uri"`
+	Scope        string `form:"scope,omitempty"`
+}
+
 func New(ts oauth2.TokenStore, cs oauth2.ClientStore, conn *pg.DB, log *logrus.Logger) *API {
 	manager := manage.NewDefaultManager()
 	manager.MapTokenStorage(ts)
@@ -77,10 +86,11 @@ func New(ts oauth2.TokenStore, cs oauth2.ClientStore, conn *pg.DB, log *logrus.L
 }
 
 func (a *API) AddRoutes(s api.Server) error {
-	s.AttachHandler(methodAny, "/auth/sign_in", a.SignInHandler)
-	s.AttachHandler(methodAny, "/oauth/token", gin.WrapF(a.TokenHandler))
-	s.AttachHandler(methodAny, "/oauth/authorize", gin.WrapF(a.AuthorizeHandler))
-	s.AttachHandler(methodAny, "/auth", gin.WrapF(a.AuthHandler))
+	s.AttachHandler(http.MethodGet, "/auth/sign_in", a.SignInGETHandler)
+	s.AttachHandler(http.MethodPost, "/auth/sign_in", a.SignInPOSTHandler)
+	s.AttachHandler(methodAny, "/oauth/token", a.TokenHandler)
+	s.AttachHandler(http.MethodGet, "/oauth/authorize", a.AuthorizeHandler)
+	s.AttachHandler(methodAny, "/auth", a.AuthHandler)
 	return nil
 }
 
@@ -92,78 +102,132 @@ func incorrectPassword() (string, error) {
 	MAIN HANDLERS -- serve these through a server/router
 */
 
-// SignInHandler should be served at https://example.org/auth/sign_in.
+// SignInGETHandler should be served at https://example.org/auth/sign_in.
+// The idea is to present a sign in page to the user, where they can enter their username and password.
+// The form will then POST to the sign in page, which will be handled by SignInPOSTHandler
+func (a *API) SignInGETHandler(c *gin.Context) {
+	c.Data(http.StatusOK, "text/html; charset=utf-8", []byte(signInHTML))
+}
+
+// SignInPOSTHandler should be served at https://example.org/auth/sign_in.
 // The idea is to present a sign in page to the user, where they can enter their username and password.
 // The handler will then redirect to the auth handler served at /auth
-func (a *API) SignInHandler(c *gin.Context) {
+func (a *API) SignInPOSTHandler(c *gin.Context) {
 	s := sessions.Default(c)
-	if r.Method == "POST" {
-		if r.Form == nil {
-			if err := r.ParseForm(); err != nil {
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-		}
-		s.Set("username", r.Form.Get("username"))
-		s.Save()
-
-		w.Header().Set("Location", "/auth")
-		w.WriteHeader(http.StatusFound)
+	form := &login{}
+	if err := c.ShouldBind(form); err != nil || form.Username == "" || form.Password == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
-	http.ServeContent(w, r, "sign_in.html", time.Unix(0, 0), bytes.NewReader([]byte(signInHTML)))
+	s.Set("username", form.Username)
+	if err := s.Save(); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.Redirect(http.StatusFound, "/auth")
 }
 
 // TokenHandler should be served at https://example.org/oauth/token
 // The idea here is to serve an oauth access token to a user, which can be used for authorizing against non-public APIs.
 // See https://docs.joinmastodon.org/methods/apps/oauth/#obtain-a-token
-func (a *API) TokenHandler(w http.ResponseWriter, r *http.Request) {
-	if err := a.server.HandleTokenRequest(w, r); err != nil {
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+func (a *API) TokenHandler(c *gin.Context) {
+	if err := a.server.HandleTokenRequest(c.Writer, c.Request); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 	}
 }
 
-// AuthorizeHandler should be served at https://example.org/oauth/authorize
+// AuthorizeHandler should be served as GET at https://example.org/oauth/authorize
 // The idea here is to present an oauth authorize page to the user, with a button
 // that they have to click to accept. See here: https://docs.joinmastodon.org/methods/apps/oauth/#authorize-a-user
-func (a *API) AuthorizeHandler(w http.ResponseWriter, r *http.Request) {
-	store, err := session.Start(nil, w, r)
-	if err != nil {
+func (a *API) AuthorizeHandler(c *gin.Context) {
+	s := sessions.Default(c)
+	form := &authorize{}
 
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+	if err := c.ShouldBind(form); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	if _, ok := store.Get("username"); !ok {
-		w.Header().Set("Location", "/auth/sign_in")
-		w.WriteHeader(http.StatusFound)
+	if form.ResponseType == "" || form.ClientID == "" || form.RedirectURI == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "missing one of: response_type, client_id or redirect_uri"})
 		return
 	}
 
-	http.ServeContent(w, r, "authorize.html", time.Unix(0, 0), bytes.NewReader([]byte(authorizeHTML)))
+	s.Set("force_login", form.ForceLogin)
+	s.Set("response_type", form.ResponseType)
+	s.Set("client_id", form.ClientID)
+	s.Set("redirect_uri", form.RedirectURI)
+	s.Set("scope", form.Scope)
+	if err := s.Save(); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+	}
+
+	v := s.Get("username")
+	if username, ok := v.(string); !ok || username == "" {
+		c.Redirect(http.StatusFound, "/auth/sign_in")
+		return
+	}
+
+	c.Data(http.StatusOK, "text/html; charset=utf-8", []byte(authorizeHTML))
 }
 
 // AuthHandler should be served at https://example.org/auth
-func (a *API) AuthHandler(w http.ResponseWriter, r *http.Request) {
-	store, err := session.Start(r.Context(), w, r)
-	if err != nil {
-		a.log.Errorf("error creating session in authhandler: %s", err)
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+func (a *API) AuthHandler(c *gin.Context) {
+	s := sessions.Default(c)
+
+	values := url.Values{}
+
+	if v, ok := s.Get("force_login").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing force_login"})
+		return
+	} else {
+		values.Add("force_login", v)
+	}
+
+	if v, ok := s.Get("response_type").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing response_type"})
+		return
+	} else {
+		values.Add("response_type", v)
+	}
+
+	if v, ok := s.Get("client_id").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing client_id"})
+		return
+	} else {
+		values.Add("client_id", v)
+	}
+
+	if v, ok := s.Get("redirect_uri").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing redirect_uri"})
+		return
+	} else {
+		values.Add("redirect_uri", v)
+	}
+
+	if v, ok := s.Get("scope").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing scope"})
+		return
+	} else {
+		values.Add("scope", v)
+	}
+
+	if v, ok := s.Get("username").(string); !ok {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "session missing username"})
+		return
+	} else {
+		values.Add("username", v)
+	}
+
+	c.Request.Form = values
+
+	if err := s.Save(); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	var form url.Values
-	if v, ok := store.Get("ReturnUri"); ok {
-		form = v.(url.Values)
-	}
-	r.Form = form
-
-	store.Delete("ReturnUri")
-	store.Save()
-
-	if err := a.server.HandleAuthorizeRequest(w, r); err != nil {
-		a.log.Errorf("error in authhandler during handleauthorizerequest: %s", err)
-		http.Error(w, err.Error(), http.StatusBadRequest)
+	if err := a.server.HandleAuthorizeRequest(c.Writer, c.Request); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 	}
 }
 
@@ -203,34 +267,14 @@ func (a *API) PasswordAuthorizationHandler(email string, password string) (useri
 	return
 }
 
-// UserAuthorizationHandler gets the user's email address from the session key 'username'
+// UserAuthorizationHandler gets the user's email address from the form key 'username'
 // or redirects to the /auth/sign_in page, if this key is not present.
 func (a *API) UserAuthorizationHandler(w http.ResponseWriter, r *http.Request) (string, error) {
 
-	a.log.Errorf("entering userauthorizationhandler")
-
-	sessionStore, err := session.Start(r.Context(), w, r)
-	if err != nil {
-		a.log.Errorf("error starting session: %s", err)
-		return "", err
+	username := r.FormValue("username")
+	if username == "" {
+		http.Redirect(w, r, "/auth/sign_in", http.StatusFound)
+		return "", nil
 	}
-
-	v, ok := sessionStore.Get("username")
-	if !ok {
-		if err := r.ParseForm(); err != nil {
-			a.log.Errorf("error parsing form: %s", err)
-			return "", err
-		}
-
-		sessionStore.Set("ReturnUri", r.Form)
-		sessionStore.Save()
-
-		w.Header().Set("Location", "/auth/sign_in")
-		w.WriteHeader(http.StatusFound)
-		return v.(string), nil
-	}
-
-	sessionStore.Delete("username")
-	sessionStore.Save()
-	return v.(string), nil
+	return username, nil
 }
diff --git a/internal/oauth/oauth_test.go b/internal/oauth/oauth_test.go
index 4d942c51d..f786df396 100644
--- a/internal/oauth/oauth_test.go
+++ b/internal/oauth/oauth_test.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/go-pg/pg/v10"
 	"github.com/go-pg/pg/v10/orm"
+	"github.com/google/uuid"
 	"github.com/gotosocial/gotosocial/internal/api"
 	"github.com/gotosocial/gotosocial/internal/config"
 	"github.com/gotosocial/gotosocial/internal/gtsmodel"
@@ -18,35 +19,37 @@ import (
 
 type OauthTestSuite struct {
 	suite.Suite
-	tokenStore       oauth2.TokenStore
-	clientStore      oauth2.ClientStore
-	conn             *pg.DB
-	testClientID     string
-	testClientSecret string
-	testClientDomain string
-	testClientUserID string
-	testUser         *gtsmodel.User
-	config           *config.Config
+	tokenStore  oauth2.TokenStore
+	clientStore oauth2.ClientStore
+	conn        *pg.DB
+	testUser    *gtsmodel.User
+	testClient  *oauthClient
+	config      *config.Config
 }
 
 const ()
 
 // SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
 func (suite *OauthTestSuite) SetupSuite() {
-	suite.testClientID = "test-client-id"
-	suite.testClientSecret = "test-client-secret"
-	suite.testClientDomain = "https://example.org"
-	suite.testClientUserID = "test-client-user-id"
 	encryptedPassword, err := bcrypt.GenerateFromPassword([]byte("test-password"), bcrypt.DefaultCost)
 	if err != nil {
 		logrus.Panicf("error encrypting user pass: %s", err)
 	}
+
+	userID := uuid.NewString()
 	suite.testUser = &gtsmodel.User{
+		ID:                userID,
 		EncryptedPassword: string(encryptedPassword),
-		Email:             "user@example.org",
+		Email:             "user@localhost",
 		CreatedAt:         time.Now(),
 		UpdatedAt:         time.Now(),
-		AccountID:         "whatever",
+		AccountID:         "some-account-id-it-doesn't-matter-really",
+	}
+	suite.testClient = &oauthClient{
+		ID:     "a-known-client-id",
+		Secret: "some-secret",
+		Domain: "localhost",
+		UserID: userID,
 	}
 }
 
@@ -78,6 +81,10 @@ func (suite *OauthTestSuite) SetupTest() {
 		logrus.Panicf("could not insert test user into db: %s", err)
 	}
 
+	if _, err := suite.conn.Model(suite.testClient).Insert(); err != nil {
+		logrus.Panicf("could not insert test client into db: %s", err)
+	}
+
 }
 
 // TearDownTest drops the oauth_clients table and closes the pg connection after each test
@@ -107,7 +114,7 @@ func (suite *OauthTestSuite) TestAPIInitialize() {
 	api.AddRoutes(r)
 	go r.Start()
 	time.Sleep(30 * time.Second)
-	// http://localhost:8080/oauth/authorize?client_id=whatever
+	// http://localhost:8080/oauth/authorize?client_id=a-known-client-id&redirect_uri=urn:ietf:wg:oauth:2.0:oob&response_type=code
 }
 
 func TestOauthTestSuite(t *testing.T) {
diff --git a/internal/oauth/pgclientstore.go b/internal/oauth/pgclientstore.go
index 22bb54f55..1df46fedb 100644
--- a/internal/oauth/pgclientstore.go
+++ b/internal/oauth/pgclientstore.go
@@ -20,6 +20,7 @@ package oauth
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/go-pg/pg/v10"
 	"github.com/gotosocial/oauth2/v4"
@@ -42,7 +43,7 @@ func (pcs *pgClientStore) GetByID(ctx context.Context, clientID string) (oauth2.
 		ID: clientID,
 	}
 	if err := pcs.conn.WithContext(ctx).Model(poc).Where("id = ?", poc.ID).Select(); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error in clientstore getbyid searching for client %s: %s", clientID, err)
 	}
 	return models.New(poc.ID, poc.Secret, poc.Domain, poc.UserID), nil
 }
@@ -55,7 +56,10 @@ func (pcs *pgClientStore) Set(ctx context.Context, id string, cli oauth2.ClientI
 		UserID: cli.GetUserID(),
 	}
 	_, err := pcs.conn.WithContext(ctx).Model(poc).OnConflict("(id) DO UPDATE").Insert()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in clientstore set: %s", err)
+	}
+	return nil
 }
 
 func (pcs *pgClientStore) Delete(ctx context.Context, id string) error {
@@ -63,7 +67,10 @@ func (pcs *pgClientStore) Delete(ctx context.Context, id string) error {
 		ID: id,
 	}
 	_, err := pcs.conn.WithContext(ctx).Model(poc).Where("id = ?", poc.ID).Delete()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in clientstore delete: %s", err)
+	}
+	return nil
 }
 
 type oauthClient struct {
diff --git a/internal/oauth/pgclientstore_test.go b/internal/oauth/pgclientstore_test.go
index d6a76981f..eb011fe01 100644
--- a/internal/oauth/pgclientstore_test.go
+++ b/internal/oauth/pgclientstore_test.go
@@ -96,7 +96,6 @@ func (suite *PgClientStoreTestSuite) TestClientSetAndDelete() {
 	deletedClient, err := cs.GetByID(context.Background(), suite.testClientID)
 	suite.Assert().Nil(deletedClient)
 	suite.Assert().NotNil(err)
-	suite.EqualValues("pg: no rows in result set", err.Error())
 }
 
 func TestPgClientStoreTestSuite(t *testing.T) {
diff --git a/internal/oauth/pgtokenstore.go b/internal/oauth/pgtokenstore.go
index a927be862..0271afafb 100644
--- a/internal/oauth/pgtokenstore.go
+++ b/internal/oauth/pgtokenstore.go
@@ -21,6 +21,7 @@ package oauth
 import (
 	"context"
 	"errors"
+	"fmt"
 	"time"
 
 	"github.com/go-pg/pg/v10"
@@ -98,32 +99,44 @@ func (pts *pgTokenStore) Create(ctx context.Context, info oauth2.TokenInfo) erro
 		return errors.New("info param was not a models.Token")
 	}
 	_, err := pts.conn.WithContext(ctx).Model(oauthTokenToPGToken(t)).Insert()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in tokenstore create: %s", err)
+	}
+	return nil
 }
 
 // RemoveByCode deletes a token from the DB based on the Code field
 func (pts *pgTokenStore) RemoveByCode(ctx context.Context, code string) error {
 	_, err := pts.conn.Model(&oauthToken{}).Where("code = ?", code).Delete()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in tokenstore removebycode: %s", err)
+	}
+	return nil
 }
 
 // RemoveByAccess deletes a token from the DB based on the Access field
 func (pts *pgTokenStore) RemoveByAccess(ctx context.Context, access string) error {
 	_, err := pts.conn.Model(&oauthToken{}).Where("access = ?", access).Delete()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in tokenstore removebyaccess: %s", err)
+	}
+	return nil
 }
 
 // RemoveByRefresh deletes a token from the DB based on the Refresh field
 func (pts *pgTokenStore) RemoveByRefresh(ctx context.Context, refresh string) error {
 	_, err := pts.conn.Model(&oauthToken{}).Where("refresh = ?", refresh).Delete()
-	return err
+	if err != nil {
+		return fmt.Errorf("error in tokenstore removebyrefresh: %s", err)
+	}
+	return nil
 }
 
 // GetByCode selects a token from the DB based on the Code field
 func (pts *pgTokenStore) GetByCode(ctx context.Context, code string) (oauth2.TokenInfo, error) {
 	pgt := &oauthToken{}
 	if err := pts.conn.Model(pgt).Where("code = ?", code).Select(); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error in tokenstore getbycode: %s", err)
 	}
 	return pgTokenToOauthToken(pgt), nil
 }
@@ -132,7 +145,7 @@ func (pts *pgTokenStore) GetByCode(ctx context.Context, code string) (oauth2.Tok
 func (pts *pgTokenStore) GetByAccess(ctx context.Context, access string) (oauth2.TokenInfo, error) {
 	pgt := &oauthToken{}
 	if err := pts.conn.Model(pgt).Where("access = ?", access).Select(); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error in tokenstore getbyaccess: %s", err)
 	}
 	return pgTokenToOauthToken(pgt), nil
 }
@@ -141,7 +154,7 @@ func (pts *pgTokenStore) GetByAccess(ctx context.Context, access string) (oauth2
 func (pts *pgTokenStore) GetByRefresh(ctx context.Context, refresh string) (oauth2.TokenInfo, error) {
 	pgt := &oauthToken{}
 	if err := pts.conn.Model(pgt).Where("refresh = ?", refresh).Select(); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error in tokenstore getbyrefresh: %s", err)
 	}
 	return pgTokenToOauthToken(pgt), nil
 }
@@ -165,15 +178,15 @@ type oauthToken struct {
 	UserID              string
 	RedirectURI         string
 	Scope               string
-	Code                string `pg:",pk"`
+	Code                string `pg:"default:'',pk"`
 	CodeChallenge       string
 	CodeChallengeMethod string
 	CodeCreateAt        time.Time `pg:"type:timestamp"`
 	CodeExpiresAt       time.Time `pg:"type:timestamp"`
-	Access              string    `pg:",pk"`
+	Access              string    `pg:"default:'',pk"`
 	AccessCreateAt      time.Time `pg:"type:timestamp"`
 	AccessExpiresAt     time.Time `pg:"type:timestamp"`
-	Refresh             string    `pg:",pk"`
+	Refresh             string    `pg:"default:'',pk"`
 	RefreshCreateAt     time.Time `pg:"type:timestamp"`
 	RefreshExpiresAt    time.Time `pg:"type:timestamp"`
 }