feat(backup): add user verification on JS/TS

Author: vitorhugods

backup/src/commonMain/kotlin/com/wire/backup/ingest/BackupPeekResult.kt

@@ -21,6 +21,7 @@ import com.wire.backup.data.BackupQualifiedId
 import com.wire.backup.envelope.HashData
 import com.wire.backup.hash.hashUserId
 import kotlin.js.JsExport
+import kotlin.js.JsName
 
 @JsExport
 public sealed class BackupPeekResult {
@@ -40,6 +41,7 @@ public sealed class BackupPeekResult {
     }
 }
 
+@JsName("isCreatedBySameUserSUSPEND")
 public suspend fun BackupPeekResult.Success.isCreatedBySameUser(userId: BackupQualifiedId): Boolean {
     val candidateHash = hashUserId(userId, hashData.salt, hashData.hashingMemoryLimit, hashData.operationsLimit)
     val actualHash = hashData.hashedUserId

backup/src/jsMain/kotlin/com/wire/backup/ingest/BackupPeekResultExt.kt

@@ -0,0 +1,29 @@
+/*
+ * Wire
+ * Copyright (C) 2025 Wire Swiss GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ */
+package com.wire.backup.ingest
+
+import com.wire.backup.data.BackupQualifiedId
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.promise
+import kotlin.js.Promise
+
+@JsExport
+@JsName("isCreatedBySameUser")
+public fun BackupPeekResult.Success.isFromSameUser(backupQualifiedId: BackupQualifiedId): Promise<Boolean> = GlobalScope.promise {
+    isCreatedBySameUser(backupQualifiedId)
+}