From 918e1c4946f3785bf3a9e9b8eed462c5a51b8409 Mon Sep 17 00:00:00 2001
From: rookiestyle <rookiestyle@gmx.net>
Date: Sat, 23 Jul 2022 11:55:38 +0200
Subject: [PATCH] Internal improvements

Catch race conditon exceptions and exceptions because of invalid config data

Closes #17
---
 src/ColoredSecureTextBox.cs    | 12 +++++++++
 src/Properties/AssemblyInfo.cs |  4 +--
 src/Util.cs                    | 48 ++++++++++++++++++++++------------
 version.info                   |  2 +-
 4 files changed, 47 insertions(+), 19 deletions(-)

diff --git a/src/ColoredSecureTextBox.cs b/src/ColoredSecureTextBox.cs
index c425e19..bf3cd88 100644
--- a/src/ColoredSecureTextBox.cs
+++ b/src/ColoredSecureTextBox.cs
@@ -197,6 +197,18 @@ public override void EnableProtection(bool bEnable)
 				RememberProtectionState(bEnable);
 				return;
 			}
+			try
+			{
+				//Use methods like Select, Focus sometimes results in an exception
+				//Happens in race conditions only when the form itself is disposed already
+				EnableProtectionInternal(bEnable);
+			}
+			catch { }
+		}
+
+		private void EnableProtectionInternal(bool bEnable)
+		{
+			if (!IsDisposed || Disposing) return;
 			if (bEnable)
 			{
 				Visible = true;
diff --git a/src/Properties/AssemblyInfo.cs b/src/Properties/AssemblyInfo.cs
index 692a95b..feac855 100644
--- a/src/Properties/AssemblyInfo.cs
+++ b/src/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
 // indem Sie "*" wie unten gezeigt eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.14.1")]
-[assembly: AssemblyFileVersion("0.14.1")]
+[assembly: AssemblyVersion("0.14.2")]
+[assembly: AssemblyFileVersion("0.14.2")]
diff --git a/src/Util.cs b/src/Util.cs
index 86d4e52..0ddab8f 100644
--- a/src/Util.cs
+++ b/src/Util.cs
@@ -136,6 +136,30 @@ public static int ColorDifferenceThreshold
 			get { return (int)m_Config.GetLong("ColoredPassword.ColorDifferenceThreshold", 26); }
 		}
 
+		//Some users manually change the config file
+		//This might result in ugly error messages / plugin behaviour otherwise
+		//cf. https://github.com/Rookiestyle/ColoredPassword/issues/17
+		private static Color GetConfigColor(string strID, string strDefault)
+		{
+			var s = m_Config.GetString(strID, strDefault);
+			if (s == null)
+			{
+				PluginTools.PluginDebug.AddError("Error reading color value", 0, new string[] { "ID: " + strID });
+				s = strDefault;
+			}
+			try
+			{
+				return NameToColor(s);
+			}
+			catch
+			{
+				PluginTools.PluginDebug.AddError("Error reading color value", 0, new string[] { "ID: " + strID, "Value: " + s });
+				if (strID.ToLowerInvariant().Contains("back")) s = "Window";
+				else s = "WindowText";
+			}
+			return NameToColor(s);
+		}
+		
 		public static void Read()
 		{
 			bool test = Testmode;
@@ -145,23 +169,15 @@ public static void Read()
 			Active = m_Config.GetBool(ConfigPrefix + "Active", true);
 			ColorEntryView = m_Config.GetBool(ConfigPrefix + "ColorEntryView", true);
 			ListViewKeepBackgroundColor = m_Config.GetBool(ConfigPrefix + "ListViewKeepBackgroundColor", true);
-			string help = m_Config.GetString(ConfigPrefix + "ForeColorDefault", "WindowText");
-			ForeColorDefault = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "BackColorDefault", "Window");
-			BackColorDefault = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "ForeColorDigit", "Red");
-			ForeColorDigit = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "BackColorDigit", "White");
-			BackColorDigit = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "ForeColorSpecial", "Green");
-			ForeColorSpecial = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "BackColorSpecial", "White");
-			BackColorSpecial = NameToColor(help);
+			ForeColorDefault = GetConfigColor(ConfigPrefix + "ForeColorDefault", "WindowText");
+			BackColorDefault = GetConfigColor(ConfigPrefix + "BackColorDefault", "Window");
+			ForeColorDigit = GetConfigColor(ConfigPrefix + "ForeColorDigit", "Red");
+			BackColorDigit = GetConfigColor(ConfigPrefix + "BackColorDigit", "White");
+			ForeColorSpecial = GetConfigColor(ConfigPrefix + "ForeColorSpecial", "Green");
+			BackColorSpecial = GetConfigColor(ConfigPrefix + "BackColorSpecial", "White");
 			LowercaseDifferent = m_Config.GetBool(ConfigPrefix + "LowercaseDifferent", false);
-			help = m_Config.GetString(ConfigPrefix + "ForeColorLower", ColorToName(ForeColorDefault));
-			ForeColorLower = NameToColor(help);
-			help = m_Config.GetString(ConfigPrefix + "BackColorLower", ColorToName(BackColorDefault));
-			BackColorLower = NameToColor(help);
+			ForeColorLower = GetConfigColor(ConfigPrefix + "ForeColorLower", ColorToName(ForeColorDefault));
+			BackColorLower = GetConfigColor(ConfigPrefix + "BackColorLower", ColorToName(BackColorDefault));
 			SinglePwDisplayActive = m_Config.GetBool(ConfigPrefix + "SinglePwDisplay", SinglePwDisplayActive);
 			ColorPwGen = m_Config.GetBool(ConfigPrefix + "ColorPwGen", ColorPwGen);
 			Testmode = test;
diff --git a/version.info b/version.info
index b8806ac..f076bce 100644
--- a/version.info
+++ b/version.info
@@ -1,5 +1,5 @@
 :
-ColoredPassword:0.14.1
+ColoredPassword:0.14.2
 ColoredPassword!de:6
 ColoredPassword!pl:2
 ColoredPassword!pt:2