[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

4 files changed, 22 insertions, 16 deletions

diff --git a/internal/api/client/interactionrequests/authorize.go b/internal/api/client/interactionrequests/authorize.go
index 1e5589f7e..8191923ba 100644
--- a/internal/api/client/interactionrequests/authorize.go
+++ b/internal/api/client/interactionrequests/authorize.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"
 )
 
 // InteractionRequestAuthorizePOSTHandler swagger:operation POST /api/v1/interaction_requests/{id}/authorize authorizeInteractionRequest
@@ -66,9 +65,11 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) InteractionRequestAuthorizePOSTHandler(c *gin.Context) {
-	authed, err := oauth.Authed(c, true, true, true, true)
-	if err != nil {
-		errWithCode := gtserror.NewErrorUnauthorized(err, err.Error())
+	authed, errWithCode := apiutil.TokenAuth(c,
+		true, true, true, true,
+		apiutil.ScopeWriteStatuses,
+	)
+	if errWithCode != nil {
 		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}
diff --git a/internal/api/client/interactionrequests/get.go b/internal/api/client/interactionrequests/get.go
index a354a8623..d1d5f5eb4 100644
--- a/internal/api/client/interactionrequests/get.go
+++ b/internal/api/client/interactionrequests/get.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"
 )
 
 // InteractionRequestGETHandler swagger:operation GET /api/v1/interaction_requests/{id} getInteractionRequest
@@ -65,9 +64,12 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) InteractionRequestGETHandler(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.ScopeReadNotifications,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}
 
diff --git a/internal/api/client/interactionrequests/getpage.go b/internal/api/client/interactionrequests/getpage.go
index 1978a055c..f3f1251cc 100644
--- a/internal/api/client/interactionrequests/getpage.go
+++ b/internal/api/client/interactionrequests/getpage.go
@@ -24,7 +24,6 @@ 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"
 )
 
@@ -137,9 +136,12 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) InteractionRequestsGETHandler(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.ScopeReadNotifications,
+	)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}
 
diff --git a/internal/api/client/interactionrequests/reject.go b/internal/api/client/interactionrequests/reject.go
index 33c426462..0102d872a 100644
--- a/internal/api/client/interactionrequests/reject.go
+++ b/internal/api/client/interactionrequests/reject.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"
 )
 
 // InteractionRequestRejectPOSTHandler swagger:operation POST /api/v1/interaction_requests/{id}/reject rejectInteractionRequest
@@ -66,9 +65,11 @@ import (
 //		'500':
 //			description: internal server error
 func (m *Module) InteractionRequestRejectPOSTHandler(c *gin.Context) {
-	authed, err := oauth.Authed(c, true, true, true, true)
-	if err != nil {
-		errWithCode := gtserror.NewErrorUnauthorized(err, err.Error())
+	authed, errWithCode := apiutil.TokenAuth(c,
+		true, true, true, true,
+		apiutil.ScopeWriteStatuses,
+	)
+	if errWithCode != nil {
 		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
 		return
 	}