Initial commit

PasswordDefuser.sln

@@ -5,6 +5,11 @@ VisualStudioVersion = 15.0.28307.1300
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PasswordDefuser", "PasswordDefuser\PasswordDefuser.csproj", "{C785B8D9-B0E3-4B02-9886-C3486C0C8252}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{CA304002-3BF8-44FD-B3BC-DCCEB6B25DBA}"
+	ProjectSection(SolutionItems) = preProject
+		README.md = README.md
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

PasswordDefuser/MainWindow.xaml

@@ -5,8 +5,16 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:PasswordDefuser"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
-    <Grid>
-
+        Title="PasswordDefuser" Height="354.661" Width="391.949" ResizeMode="NoResize">
+    <Grid Height="324" VerticalAlignment="Top">
+        <TextBox x:Name="FirstBox" HorizontalAlignment="Left" Height="137" Margin="46,43,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="33" AcceptsReturn="True" TextChanged="UpdateSearch"/>
+        <TextBox x:Name="SecondBox" HorizontalAlignment="Left" Height="137" Margin="176,43,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="33" AcceptsReturn="True" TextChanged="UpdateSearch"/>
+        <TextBox x:Name="LastBox" HorizontalAlignment="Right" Height="137" Margin="0,43,46,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="33" AcceptsReturn="True" TextChanged="UpdateSearch"/>
+        <Label Content="First letter" HorizontalAlignment="Left" Margin="30,17,0,0" VerticalAlignment="Top"/>
+        <Label Content="Second letter" HorizontalAlignment="Left" Margin="152,17,0,0" VerticalAlignment="Top"/>
+        <Label Content="Last letter" HorizontalAlignment="Left" Margin="280,17,0,0" VerticalAlignment="Top"/>
+        <Button Content="Reset" HorizontalAlignment="Left" Margin="157,291,0,0" VerticalAlignment="Top" Width="75" Click="onReset"/>
+        <Label Content="Possible passwords" HorizontalAlignment="Left" Margin="134,185,0,0" VerticalAlignment="Top"/>
+        <TextBlock x:Name="Result" TextAlignment="Center" HorizontalAlignment="Left" Margin="27,210,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="76" Width="331"/>
     </Grid>
 </Window>

PasswordDefuser/MainWindow.xaml.cs

@@ -2,24 +2,86 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
+using System.Text.RegularExpressions;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 
 namespace PasswordDefuser {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
     /// </summary>
     public partial class MainWindow : Window {
+        private static readonly string[] passwords = {
+            "about", "after", "again", "below", "could", "every", "first", "found", "great",
+            "house", "large", "learn", "never", "other", "place", "plant", "point", "right", "small", "sound", "spell",
+            "still", "study", "their", "there", "these",
+            "thing", "think", "three", "water", "where", "which", "world", "would", "write"
+        };
+
         public MainWindow() {
             InitializeComponent();
         }
+
+        private void UpdateSearch(object sender, TextChangedEventArgs e) {
+            string[] first = FirstBox.Text.Split(new[] {Environment.NewLine}, StringSplitOptions.None);
+            string[] second = SecondBox.Text.Split(new[] {Environment.NewLine}, StringSplitOptions.None);
+            string[] last = LastBox.Text.Split(new[] {Environment.NewLine}, StringSplitOptions.None);
+            List<char> firstChars =
+                (from possibleChar in first where possibleChar.Length == 1 select possibleChar.ToCharArray()[0])
+                .ToList();
+
+            List<char> secondChars = (from possibleChar2 in second
+                where possibleChar2.Length == 1
+                select possibleChar2.ToCharArray()[0]).ToList();
+
+            List<char> lastChars = (from possibleCharLast in last
+                where possibleCharLast.Length == 1
+                select possibleCharLast.ToCharArray()[0]).ToList();
+
+            string regex = constructRegex(firstChars, secondChars, lastChars);
+            List<string> matches = passwords.Where(possiblePw => Regex.IsMatch(possiblePw, regex)).ToList();
+
+            Result.Text = "";
+            StringBuilder resultBuilder = new StringBuilder();
+            foreach (string match in matches) {
+                resultBuilder.Append(match);
+                resultBuilder.Append(", ");
+            }
+
+            string resultText = resultBuilder.ToString();
+            if (resultText.Length > 0)
+                Result.Text = resultBuilder.ToString().Substring(0, resultBuilder.Length - 2);
+        }
+
+        private string constructRegex(List<char> first, List<char> second, List<char> last) {
+            StringBuilder regexBuilder = new StringBuilder();
+            regexBuilder.Append("^[");
+            if (first.Count == 0)
+                regexBuilder.Append("a-z");
+            else
+                foreach (char firstChar in first)
+                    regexBuilder.Append(firstChar);
+            regexBuilder.Append("][");
+            if (second.Count == 0)
+                regexBuilder.Append("a-z");
+            else
+                foreach (char secondChar in second)
+                    regexBuilder.Append(secondChar);
+            regexBuilder.Append("][a-z]+[");
+            if (last.Count == 0)
+                regexBuilder.Append("a-z");
+            else
+                foreach (char lastChar in last)
+                    regexBuilder.Append(lastChar);
+
+            regexBuilder.Append("]");
+            return regexBuilder.ToString();
+        }
+
+        private void onReset(object sender, RoutedEventArgs e) {
+            FirstBox.Text = "";
+            SecondBox.Text = "";
+            LastBox.Text = "";
+        }
     }
-}
+}

README.md

@@ -0,0 +1,9 @@
+# PasswordDefuser
+
+A program to crack the passwords in Keep Talking and Nobody Explodes, complete with a GUI frontend.
+
+Enter the letters line by line.
+
+Binary download on relaese tab.
+
+\#DumbStuffIWroteForFun