feat: Add io.cozy.sharings in token exchange

Used in cozy-sharing provider

Author: zatteo

web/auth/token_exchange.go

@@ -34,6 +34,7 @@ var tokenExchangeAllowedScopes = map[string]struct{}{
 	"io.cozy.contacts":        {},
 	"io.cozy.contacts.groups": {},
 	"io.cozy.apps":            {},
+	"io.cozy.sharings":        {},
 }
 
 type tokenExchangeRequest struct {

web/auth/token_exchange_test.go

@@ -9,7 +9,7 @@ import (
 func TestValidateTokenExchangeScope(t *testing.T) {
 	assert.Error(t, validateTokenExchangeScope(""))
 	assert.Error(t, validateTokenExchangeScope("io.cozy.unknown"))
-	assert.Error(t, validateTokenExchangeScope("io.cozy.files\tio.cozy.contacts\tio.cozy.contacts.groups\tio.cozy.apps"))
+	assert.Error(t, validateTokenExchangeScope("io.cozy.files\tio.cozy.contacts\tio.cozy.contacts.groups\tio.cozy.apps\tio.cozy.sharings"))
 	assert.NoError(t, validateTokenExchangeScope("io.cozy.files"))
-	assert.NoError(t, validateTokenExchangeScope("io.cozy.files io.cozy.contacts io.cozy.contacts.groups io.cozy.apps"))
+	assert.NoError(t, validateTokenExchangeScope("io.cozy.files io.cozy.contacts io.cozy.contacts.groups io.cozy.apps io.cozy.sharings"))
 }