bearer: Deny some content-type uploads

closes #36

Signed-off-by: Evgenii Baidakov <[email protected]>

bearer/bearer.go

@@ -10,6 +10,7 @@ import (
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	neofsecdsa "github.com/nspcc-dev/neofs-sdk-go/crypto/ecdsa"
 	"github.com/nspcc-dev/neofs-sdk-go/eacl"
+	"github.com/nspcc-dev/neofs-sdk-go/object"
 	"github.com/nspcc-dev/neofs-sdk-go/user"
 )
 
@@ -40,6 +41,12 @@ func (b *Generator) NewBearer(email string, currentEpoch uint64) (string, string
 	// order of rec is important
 	rec := eacl.CreateRecord(eacl.ActionAllow, eacl.OperationPut)
 	rec.AddObjectAttributeFilter(eacl.MatchStringEqual, b.config.EmailAttr, hashedEmail)
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "application/javascript")
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "text/javascript")
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "application/xhtml+xml")
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "text/html")
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "text/htmlh")
+	rec.AddFilter(eacl.HeaderFromObject, eacl.MatchStringNotEqual, object.AttributeContentType, "")
 	eacl.AddFormedTarget(rec, eacl.RoleOthers)
 	t.AddRecord(rec)
 	rec2 := eacl.CreateRecord(eacl.ActionDeny, eacl.OperationPut)