From 4ecd357a33ff1c0e7f3b0f402dca2f2ca73f4817 Mon Sep 17 00:00:00 2001
From: Peter <iakovlev.peter.p@gmail.com>
Date: Mon, 17 Sep 2018 20:32:03 +0100
Subject: [PATCH] no message

---
 Postbox/SqliteInterface.swift | 15 ++++++++++++++-
 Postbox/SqliteValueBox.swift  |  2 +-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/Postbox/SqliteInterface.swift b/Postbox/SqliteInterface.swift
index 8aef02210b..87a3d59919 100644
--- a/Postbox/SqliteInterface.swift
+++ b/Postbox/SqliteInterface.swift
@@ -110,7 +110,20 @@ public final class SqliteInterface {
     
     public func unlock(password: Data) -> Bool {
         return password.withUnsafeBytes { (bytes: UnsafePointer<Int8>) -> Bool in
-            return sqlite3_key(self.database.handle, bytes, Int32(password.count)) == SQLITE_OK
+            if sqlite3_key(self.database.handle, bytes, Int32(password.count)) != SQLITE_OK {
+                return false
+            }
+            var statement: OpaquePointer? = nil
+            let status = sqlite3_prepare_v2(self.database.handle, "SELECT * FROM SQLITE_MASTER", -1, &statement, nil)
+            if status != SQLITE_OK {
+                return false
+            }
+            let preparedStatement = SqlitePreparedStatement(statement: statement)
+            if !preparedStatement.step(handle: self.database.handle, true, path: "") {
+                return false
+            }
+            preparedStatement.destroy()
+            return true
         }
     }
     
diff --git a/Postbox/SqliteValueBox.swift b/Postbox/SqliteValueBox.swift
index 5898f50a24..454f60d9a4 100644
--- a/Postbox/SqliteValueBox.swift
+++ b/Postbox/SqliteValueBox.swift
@@ -15,7 +15,7 @@ private func checkTableKey(_ table: ValueBoxTable, _ key: ValueBoxKey) {
     }
 }
 
-private struct SqlitePreparedStatement {
+struct SqlitePreparedStatement {
     let statement: OpaquePointer?
     
     func bind(_ index: Int, data: UnsafeRawPointer, length: Int) {