add option to use legacy host matching

with the option on, it doesn't prompt if the host matches the title or
url. fixes #84, #109

KeePassNatMsg/ConfigOpt.cs

@@ -20,6 +20,7 @@ public class ConfigOpt
 		const string ConnectionDatabaseHashKey = "KeePassHttp_ConnectionDatabaseHash";
         const string SearchUrlsKey = "KeePassHttp_SearchUrls";
         const string UseKeePassXcSettingsKey = "KeePassNatMsg_UseKpxcSettings";
+        private const string UseLegacyHostMatchingKey = "KeePassNatMsg_UseLegacyHostMatching";
 
 		public ConfigOpt(AceCustomConfig config)
         {
@@ -132,5 +133,11 @@ public bool UseKeePassXcSettings
                 _config.SetBool(UseKeePassXcSettingsKey, value);
             }
         }
+
+        public bool UseLegacyHostMatching
+        {
+            get { return _config.GetBool(UseLegacyHostMatchingKey, false); }
+            set { _config.SetBool(UseLegacyHostMatchingKey, value); }
+        }
     }
 }

KeePassNatMsg/Entry/EntrySearch.cs

@@ -42,10 +42,12 @@ internal Response GetLoginsHandler(Request req)
 
             Uri hostUri;
             Uri submitUri = null;
+            var uris = new List<Uri>();
 
             if (!string.IsNullOrEmpty(url))
             {
                 hostUri = new Uri(url);
+                uris.Add(hostUri);
             }
             else
             {
@@ -55,6 +57,7 @@ internal Response GetLoginsHandler(Request req)
             if (!string.IsNullOrEmpty(submitUrl))
             {
                 submitUri = new Uri(submitUrl);
+                uris.Add(submitUri);
             }
 
             var resp = req.GetResponse();
@@ -63,14 +66,29 @@ internal Response GetLoginsHandler(Request req)
             var items = FindMatchingEntries(url, null);
             if (items.ToList().Count > 0)
             {
+                var configOpt = new ConfigOpt(_host.CustomConfig);
+
                 var filter = new GFunc<PwEntry, bool>((PwEntry e) =>
                 {
                     var c = _ext.GetEntryConfig(e);
 
+                    if (configOpt.UseLegacyHostMatching)
+                    {
+                        var fields = new[] {PwDefs.TitleField, PwDefs.UrlField};
+                        var entryUrls = e.Strings
+                            .Where(s => fields.Contains(s.Key) && s.Value != null && !s.Value.IsEmpty)
+                            .Select(s => s.Value.ReadString())
+                            .ToList();
+
+                        var isAllowed = c != null && uris.Select(u => u.Host).Any(u => c.Allow.Contains(u));
+                        var hostMatch = uris.Select(u => u.Host).Any(u => entryUrls.Contains(u));
+
+                        return (c == null && !hostMatch) || (c != null && !hostMatch && !isAllowed);
+                    }
+
                     return c == null || (!c.Allow.Contains(hostUri.Authority)) || (submitUri != null && submitUri.Authority != null && !c.Allow.Contains(submitUri.Authority));
                 });
 
-                var configOpt = new ConfigOpt(_host.CustomConfig);
                 var needPrompting = items.Where(e => filter(e.entry)).ToList();
 
                 if (needPrompting.Count > 0 && !configOpt.AlwaysAllowAccess)