[feature] Enforce OAuth token scopes (#3835)

* move tokenauth to apiutil

* enforce scopes

* docs

* update test models, remove deprecated "follow"

* file header

* tests

* tweak scope matcher

* simplify...

* fix tests

* log user out of settings panel in case of oauth error

3 files changed, 18 insertions, 12 deletions

diff --git a/internal/api/client/conversations/conversationdelete.go b/internal/api/client/conversations/conversationdelete.go
index 6f8f43a94..dabb2bfc8 100644
--- a/internal/api/client/conversations/conversationdelete.go
+++ b/internal/api/client/conversations/conversationdelete.go
@@ -23,7 +23,6 @@ import (
 	"github.com/gin-gonic/gin"
 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
-	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 )
 
 // ConversationDELETEHandler swagger:operation DELETE /api/v1/conversations/{id} conversationDelete
@@ -66,9 +65,12 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) ConversationDELETEHandler(c *gin.Context) {
-	authed, err := oauth.Authed(c, true, true, true, true)
-	if err != nil {
-		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1)
+	authed, errWithCode := apiutil.TokenAuth(c,
+		true, true, true, true,
+		apiutil.ScopeWriteConversations,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}
 
diff --git a/internal/api/client/conversations/conversationread.go b/internal/api/client/conversations/conversationread.go
index 7f68a2a33..e168cca2e 100644
--- a/internal/api/client/conversations/conversationread.go
+++ b/internal/api/client/conversations/conversationread.go
@@ -23,7 +23,6 @@ import (
 	"github.com/gin-gonic/gin"
 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
-	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 )
 
 // ConversationReadPOSTHandler swagger:operation POST /api/v1/conversation/{id}/read conversationRead
@@ -68,9 +67,12 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) ConversationReadPOSTHandler(c *gin.Context) {
-	authed, err := oauth.Authed(c, true, true, true, true)
-	if err != nil {
-		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1)
+	authed, errWithCode := apiutil.TokenAuth(c,
+		true, true, true, true,
+		apiutil.ScopeWriteConversations,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}
 
diff --git a/internal/api/client/conversations/conversationsget.go b/internal/api/client/conversations/conversationsget.go
index 663b9a707..8cd70cd00 100644
--- a/internal/api/client/conversations/conversationsget.go
+++ b/internal/api/client/conversations/conversationsget.go
@@ -23,7 +23,6 @@ import (
 	"github.com/gin-gonic/gin"
 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
-	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 	"github.com/superseriousbusiness/gotosocial/internal/paging"
 )
 
@@ -107,9 +106,12 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) ConversationsGETHandler(c *gin.Context) {
-	authed, err := oauth.Authed(c, true, true, true, true)
-	if err != nil {
-		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1)
+	authed, errWithCode := apiutil.TokenAuth(c,
+		true, true, true, true,
+		apiutil.ScopeReadStatuses,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}