Passkey support

src/KeePass.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.4.33205.214
+# Visual Studio Version 18
+VisualStudioVersion = 18.1.11312.151
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ZlibAndroid", "ZlibAndroid\ZlibAndroid.csproj", "{1DF9DA08-D2FE-4227-BD53-761CD3F6CA42}"
 EndProject
@@ -31,6 +31,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Kp2aAutofillParser.Tests",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DropboxBinding", "DropboxBinding\DropboxBinding.csproj", "{2FE6E335-E834-4F86-AB83-2C5D225DA929}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kp2aPasskey.Core", "Kp2aPasskey.Core\Kp2aPasskey.Core.csproj", "{6B081853-9DEB-9E9F-FF45-6758B0C357CC}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -395,6 +397,30 @@ Global
 		{2FE6E335-E834-4F86-AB83-2C5D225DA929}.ReleaseNoNet|Win32.Build.0 = Release|Any CPU
 		{2FE6E335-E834-4F86-AB83-2C5D225DA929}.ReleaseNoNet|x64.ActiveCfg = Release|Any CPU
 		{2FE6E335-E834-4F86-AB83-2C5D225DA929}.ReleaseNoNet|x64.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Win32.ActiveCfg = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|Win32.Build.0 = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Debug|x64.Build.0 = Debug|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Win32.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|Win32.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|x64.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.Release|x64.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Any CPU.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Any CPU.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Mixed Platforms.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Win32.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|Win32.Build.0 = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|x64.ActiveCfg = Release|Any CPU
+		{6B081853-9DEB-9E9F-FF45-6758B0C357CC}.ReleaseNoNet|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Kp2aBusinessLogic/SearchDbHelper.cs

@@ -119,6 +119,28 @@ private static String ExtractHost(String url)
       return UrlUtil.GetHost(url.Trim());
     }
 
+    /// <summary>
+    /// Returns all entries whose <c>KPEX_PASSKEY_RELYING_PARTY</c> extra field exactly matches
+    /// <paramref name="relyingParty"/> (case-insensitive).
+    /// </summary>
+    public PwGroup SearchForRelyingParty(Database database, string relyingParty)
+    {
+      string strGroupName = _app.GetResourceString(UiStringKey.search_results);
+      PwGroup pgResults = new PwGroup(true, true, strGroupName, PwIcon.EMailSearch) { IsVirtual = true };
+
+      foreach (PwEntry entry in database.EntriesById.Values)
+      {
+        if (!entry.GetSearchingEnabled())
+          continue;
+        var storedRp = entry.Strings.ReadSafe("KPEX_PASSKEY_RELYING_PARTY");
+        // Log every entry that has the field so mismatches are visible in logcat
+        if (string.Equals(storedRp, relyingParty, StringComparison.OrdinalIgnoreCase))
+          pgResults.AddEntry(entry, false);
+      }
+
+      return pgResults;
+    }
+
     public PwGroup SearchForHost(Database database, String url, bool allowSubdomains)
     {
       String host = ExtractHost(url);

src/Kp2aBusinessLogic/database/Database.cs

@@ -224,6 +224,15 @@ public PwGroup SearchForHost(String url, bool allowSubdomains)
 
     }
 
+    /// <summary>
+    /// Returns all entries whose <c>KPEX_PASSKEY_RELYING_PARTY</c> extra field
+    /// exactly matches <paramref name="relyingParty"/> (case-insensitive).
+    /// </summary>
+    public PwGroup SearchForRelyingParty(string relyingParty)
+    {
+      return SearchHelper.SearchForRelyingParty(this, relyingParty);
+    }
+
 
     public void SaveData(IFileStorage fileStorage)
     {

src/Kp2aBusinessLogic/database/edit/CreateDB.cs

@@ -28,6 +28,7 @@ namespace keepass2android
 
   public class CreateDb : OperationWithFinishHandler
   {
+    public const string DefaultDbName = "Keepass2Android Password Database";
     private readonly IOConnectionInfo _ioc;
     private readonly bool _dontSave;
     private readonly IKp2aApp _app;
@@ -68,7 +69,7 @@ public override void Run()
       db.KpDatabase.New(_ioc, _key, _app.GetFileStorage(_ioc).GetFilenameWithoutPathAndExt(_ioc));
 
       db.KpDatabase.KdfParameters = (new AesKdf()).GetDefaultParameters();
-      db.KpDatabase.Name = "Keepass2Android Password Database";
+      db.KpDatabase.Name = DefaultDbName;
       //re-set the name of the root group because the PwDatabase uses UrlUtil which is not appropriate for all file storages:
       db.KpDatabase.RootGroup.Name = _app.GetFileStorage(_ioc).GetFilenameWithoutPathAndExt(_ioc);