diff --git a/pb/ezshare.pb.go b/pb/ezshare.pb.go
index 1b56362..118a540 100644
--- a/pb/ezshare.pb.go
+++ b/pb/ezshare.pb.go
@@ -25,27 +25,27 @@ type User_Role int32
 
 const (
 	User_UNKNOWN    User_Role = 0
-	User_VIEWONLY   User_Role = 1
-	User_USER       User_Role = 2
-	User_ADMIN      User_Role = 3
-	User_UNAPPROVED User_Role = 4
+	User_UNAPPROVED User_Role = 1
+	User_VIEWONLY   User_Role = 4
+	User_USER       User_Role = 7
+	User_ADMIN      User_Role = 10
 )
 
 // Enum value maps for User_Role.
 var (
 	User_Role_name = map[int32]string{
-		0: "UNKNOWN",
-		1: "VIEWONLY",
-		2: "USER",
-		3: "ADMIN",
-		4: "UNAPPROVED",
+		0:  "UNKNOWN",
+		1:  "UNAPPROVED",
+		4:  "VIEWONLY",
+		7:  "USER",
+		10: "ADMIN",
 	}
 	User_Role_value = map[string]int32{
 		"UNKNOWN":    0,
-		"VIEWONLY":   1,
-		"USER":       2,
-		"ADMIN":      3,
-		"UNAPPROVED": 4,
+		"UNAPPROVED": 1,
+		"VIEWONLY":   4,
+		"USER":       7,
+		"ADMIN":      10,
 	}
 )
 
@@ -1195,6 +1195,7 @@ type File_Metadata struct {
 	Passcode         string                 `protobuf:"bytes,4,opt,name=passcode,proto3" json:"passcode,omitempty"`
 	CurrentViews     int64                  `protobuf:"varint,5,opt,name=current_views,json=currentViews,proto3" json:"current_views,omitempty"`
 	MaxViews         int64                  `protobuf:"varint,6,opt,name=max_views,json=maxViews,proto3" json:"max_views,omitempty"`
+	Owner            string                 `protobuf:"bytes,7,opt,name=owner,proto3" json:"owner,omitempty"`
 }
 
 func (x *File_Metadata) Reset() {
@@ -1271,6 +1272,13 @@ func (x *File_Metadata) GetMaxViews() int64 {
 	return 0
 }
 
+func (x *File_Metadata) GetOwner() string {
+	if x != nil {
+		return x.Owner
+	}
+	return ""
+}
+
 type ListFilesResponse_ListFileInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1396,14 +1404,14 @@ var file_protos_ezshare_proto_rawDesc = []byte{
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@@ -1420,166 +1428,167 @@ var file_protos_ezshare_proto_rawDesc = []byte{
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-	0x6a, 0x75, 0x73, 0x2f, 0x65, 0x7a, 0x73, 0x68, 0x61, 0x72, 0x65, 0x2f, 0x70, 0x62, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x11, 0x52, 0x65, 0x76, 0x6f, 0x6b, 0x65, 0x43,
+	0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x12, 0x21, 0x2e, 0x65, 0x7a, 0x73,
+	0x68, 0x61, 0x72, 0x65, 0x2e, 0x52, 0x65, 0x76, 0x6f, 0x6b, 0x65, 0x43, 0x65, 0x72, 0x74, 0x69,
+	0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x0e, 0x2e,
+	0x65, 0x7a, 0x73, 0x68, 0x61, 0x72, 0x65, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x22, 0x00, 0x42,
+	0x23, 0x5a, 0x21, 0x67, 0x69, 0x74, 0x65, 0x61, 0x2e, 0x62, 0x65, 0x6e, 0x6e, 0x79, 0x2e, 0x64,
+	0x6f, 0x67, 0x2f, 0x74, 0x6f, 0x72, 0x6a, 0x75, 0x73, 0x2f, 0x65, 0x7a, 0x73, 0x68, 0x61, 0x72,
+	0x65, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/protos/ezshare.proto b/protos/ezshare.proto
index 7586838..a4d2e09 100644
--- a/protos/ezshare.proto
+++ b/protos/ezshare.proto
@@ -24,6 +24,7 @@ message File {
         string passcode = 4;
         int64 current_views = 5;
         int64 max_views = 6;
+        string owner = 7;
     };
 
     Metadata metadata = 3;
@@ -86,10 +87,10 @@ message User {
     bytes hashed_password = 3;
     enum Role {
         UNKNOWN = 0;
-        VIEWONLY = 1;
-        USER = 2;
-        ADMIN = 3;
-        UNAPPROVED = 4;
+        UNAPPROVED = 1;
+        VIEWONLY = 4;
+        USER = 7;
+        ADMIN = 10;
     }
     Role user_role = 4;
     bool active = 5;
diff --git a/server/fileservice.go b/server/fileservice.go
index 353c512..d23dadd 100644
--- a/server/fileservice.go
+++ b/server/fileservice.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"gitea.benny.dog/torjus/ezshare/pb"
+	"gitea.benny.dog/torjus/ezshare/server/interceptors"
 	"gitea.benny.dog/torjus/ezshare/store"
 	"github.com/dustin/go-humanize"
 	"github.com/google/uuid"
@@ -26,6 +27,10 @@ func NewGRPCFileServiceServer(store store.FileStore) *GRPCFileServiceServer {
 }
 
 func (s *GRPCFileServiceServer) UploadFile(ctx context.Context, req *pb.UploadFileRequest) (*pb.UploadFileResponse, error) {
+	// Check if authorized
+	if !interceptors.RoleAtLeast(ctx, pb.User_USER) {
+		return nil, status.Error(codes.PermissionDenied, "permission denied")
+	}
 	var f pb.File
 	f.Data = req.GetData()
 	f.Metadata = &pb.File_Metadata{}
@@ -94,6 +99,19 @@ func (s *GRPCFileServiceServer) GetFile(ctx context.Context, req *pb.GetFileRequ
 }
 
 func (s *GRPCFileServiceServer) DeleteFile(ctx context.Context, req *pb.DeleteFileRequest) (*pb.DeleteFileResponse, error) {
+	// Check if authorized
+	if !interceptors.RoleAtLeast(ctx, pb.User_USER) {
+		return nil, status.Error(codes.PermissionDenied, "permission denied")
+	}
+	// Ensure owner of file or admin
+	f, err := s.store.GetFile(req.Id)
+	if err != nil {
+		s.Logger.Warnw("Error getting file.", "error", err)
+	}
+	if !(f.Metadata.Owner == interceptors.UserIDFromContext(ctx) || interceptors.RoleFromContext(ctx) == pb.User_ADMIN) {
+		return nil, status.Error(codes.PermissionDenied, "permission denied")
+	}
+
 	if err := s.store.DeleteFile(req.Id); err != nil {
 		s.Logger.Warnw("Error deleting file.", "error", err)
 		return nil, err
@@ -103,10 +121,21 @@ func (s *GRPCFileServiceServer) DeleteFile(ctx context.Context, req *pb.DeleteFi
 }
 
 func (s *GRPCFileServiceServer) ListFiles(ctx context.Context, req *pb.ListFilesRequest) (*pb.ListFilesResponse, error) {
-	infos, err := s.store.ListFiles()
+	var infos []*pb.ListFilesResponse_ListFileInfo
+	allInfos, err := s.store.ListFiles()
 	if err != nil {
 		return nil, err
 	}
+	if interceptors.RoleFromContext(ctx) == pb.User_ADMIN {
+		return &pb.ListFilesResponse{Files: allInfos}, nil
+	}
+
+	ownerID := interceptors.UserIDFromContext(ctx)
+	for _, info := range allInfos {
+		if info.Metadata.Owner == ownerID {
+			infos = append(infos, info)
+		}
+	}
 
 	return &pb.ListFilesResponse{
 		Files: infos,
diff --git a/server/interceptors/auth.go b/server/interceptors/auth.go
index c2d0ff2..e79e1f2 100644
--- a/server/interceptors/auth.go
+++ b/server/interceptors/auth.go
@@ -81,3 +81,9 @@ func UserIDFromContext(ctx context.Context) string {
 	}
 	return ""
 }
+
+func RoleAtLeast(ctx context.Context, role pb.User_Role) bool {
+	ctxRole := RoleFromContext(ctx)
+
+	return ctxRole > role
+}