/// <summary>
/// Put the background worker to work
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void bgWorker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
// We're off and running:
resultStatus = ResultStatus.Running;
// What we do depends on what mode we're in. In single-file mode, start hashing
// the specified file:
if (singleMode)
{
e.Result = HashEngine.HashFile(hashAlgorithm, files[0], bgWorker, e, outputType);
}
// Otherwise, start comparing the hashes of the files in the list:
else
{
e.Result = HashEngine.CompareHashes(hashAlgorithm, files, bgWorker, e);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
resultStatus = ResultStatus.Error;
e.Cancel = true;
// Close is commented out here, because if this occurs, we'll be closing the dialog
// from the background worker thread, not the GUI thread, and that throws an
// exception.
//Close();
}
}
public LoginUserDTO AuthenticateUser(LoginUserDTO user)
{
LoginRepository loginRepository = new LoginRepository();
LoginUserDTO authenticatedUser = new LoginUserDTO();
HashEngine createHash = new HashEngine();
user.Password = createHash.GeneratePasswordHash(user.Password);
authenticatedUser = loginRepository.AuthenticateUser(user);
return(authenticatedUser);
}
/// <summary>
/// The ResultDialog constructor
/// </summary>
/// <param name="result">A <see cref="String"/> containing the hash produced by the
/// <see cref="HashEngine"/></param>
/// <param name="hash">A <see cref="Hashes"/> enum value indicating which hashing
/// algorithm was used</param>
/// <param name="outputType">A <see cref="OutputType"/> enum value indicating which
/// output encoding type was used</param>
public ResultDialog(string result, Hashes hash, OutputType outputType)
{
// Do the usual initialization:
InitializeComponent();
// Put the hash text in the result box:
txtResult.Text = result;
// Build the hash type label:
string labelText = HashEngine.GetHashName(hash) + " / " +
HashEngine.GetOutputTypeName(outputType) + ":";
// Hold onto the output type for comparison later:
this.outputType = outputType;
}
/// <summary>
/// Constructor
/// </summary>
public OptionsDialog()
{
try
{
InitializeComponent();
// The state of the Disable Update Checks checkbox should get set by setting the DisableUpdateCheck property.
// For the rest, we'll need to do some digging. The Send To shortcuts only make sense on Windows, so just in
// case, make sure we're currently running on a Windows box before proceeding here.
if (Environment.OSVersion.Platform == PlatformID.Win32NT ||
Environment.OSVersion.Platform == PlatformID.Win32Windows)
{
// Convert the path to the Send To folder to a string for our convenience:
sendToPath = Environment.GetFolderPath(Environment.SpecialFolder.SendTo);
// Set up the output types drop-down. This is pretty simple, and mimics what we did on the main form.
// However, we don't know the current state of any existing shortcuts, so we'll default the output type
// drop-down to the default value.
comboOutputTypes.Items.Clear();
foreach (OutputType otTemp in Enum.GetValues(typeof(OutputType)))
{
comboOutputTypes.Items.Add(HashEngine.GetOutputTypeName(otTemp));
}
comboOutputTypes.SelectedItem = HashEngine.GetOutputTypeName(HashEngine.DefaultOutputType);
// Set up the list of shortcuts as a checkbox list box. What we'll do is loop through the available hash
// algorithms and, for each one, determine whether or not a shortcut already exists for it. That will decide
// whether or not the checkbox will be checked initially. Once we know that, create an item in the list for
// that hash and set its initial checked state.
listSentToShortcuts.Items.Clear();
foreach (Hashes hashTemp in Enum.GetValues(typeof(Hashes)))
{
string shortcutFile = sendToPath + Path.DirectorySeparatorChar.ToString() + HashEngine.GetHashName(hashTemp) + ".lnk";
bool isChecked = System.IO.File.Exists(shortcutFile);
listSentToShortcuts.Items.Add(HashEngine.GetHashName(hashTemp), isChecked);
}
}
// If we're not running on Windows, disable the Send To shortcut controls so the user can't do anything
// with them:
else
{
listSentToShortcuts.Enabled = false;
comboOutputTypes.Enabled = false;
toolTip1.SetToolTip(listSentToShortcuts, "Send To shortcuts are not supported on your operating system.");
toolTip1.SetToolTip(comboOutputTypes, "Send To shortcuts are not supported on your operating system.");
}
// If enabled, make our tooltips look like nifty balloons:
toolTip1.IsBalloon = true;
}
catch (Exception ex)
{
MessageBox.Show("There was a problem trying to build the options dialog box.\n" + ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
internal void BeginTask(Object threadContext)
{
Thread.CurrentThread.Name = string.Format("Task{0}", threadContext);
//Console.WriteLine("i am doing something at {0}", (int)threadContext);
//while(processList.NotProcessedCount > 0 && !HALT)
{
//while(this.HasSubTasks() && !HALT)
{
//if(THREAD_COUNT < MAX_THREAD_COUNT)
{
try{
TaskItem subtask = TaskAvailable();
//this.subEvents.Insert(this.THREAD_INDEX, new ManualResetEvent(false));
//Console.WriteLine("Starting searchengine to find {0} in '{1}'", this.names.Value, subtask.Name);
//HashEngine search = new HashEngine(subtask, name, this.subEvents[(int)this.ProcessedCount-1]);
HashEngine search = new HashEngine(subtask, names);
//map events.
search.SearchCompleted += new TaskCompletedHandler(SearchCompleted);
search.DirectoryPolled += new DirectoryPolledHandler(DirectorySeen);
search.FilePolled += new FilePolledHandler(FilePolled);
/*if(ThreadPool.QueueUserWorkItem(search.BeginSearch, THREAD_INDEX))
* {
++THREAD_COUNT;
++THREAD_INDEX;
* }*/
search.BeginSearch();
}
catch (System.Exception e)
{
Console.WriteLine(e);
}
}
//wait to ensure to avoid race conditions.
//Thread.Sleep(2000);
}
}
//if(subEvents != null && subEvents.Count > 0)
// WaitHandle.WaitAll(subEvents.ToArray());
SetComplete((int)threadContext);
}
public bool RegisterUser(AppUserDTO appUser, byte[] profileImage)
{
RegistrationRepository registrationRepository = new RegistrationRepository();
HashEngine createHash = new HashEngine();
//Convert the profile image byte array to base 64 string
string profileInBase64String = Convert.ToBase64String(profileImage, 0, profileImage.Length);
//Insert base 64 image string to appUser DTO
appUser.ProfilePicture = "data:image/jpeg;base64, " + profileInBase64String;
//Generate user name for the user
appUser.UserName = GenerateUserName(appUser.EmailAddress);
//convert the password to password hash
appUser.Password = createHash.GeneratePasswordHash(appUser.Password);
return(registrationRepository.RegisterUser(appUser));
}
private AppSettings()
{
this.SDEmuSetting = new SDEmuSetting();
this.LocalAppSettingsPath =
string.Format("{0}\\{1}\\{2}",
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
Application.CompanyName,
Application.ProductName);
this.CurrentAppSettingsPath =
string.Format("{0}\\{1}.sdemu",
this.LocalAppSettingsPath,
HashEngine.MD5Hash("current-sdemu-setting"));
if (!Directory.Exists(LocalAppSettingsPath))
{
Directory.CreateDirectory(LocalAppSettingsPath);
}
}
/// <summary>
/// Perform the actual hash operation
/// </summary>
/// <param name="args">A <see cref="CmdLineAppArgs"/> object containing the parsed
/// input parameters from the command line</param>
/// <param name="overrideHash">If true, override the hash algorithm specified in
/// args.Hash with the hash specified by hashToOverrideWith</param>
/// <param name="hashToOverrideWith">If overrideHash is true, override the hash
/// algorithm specified in args.Hash with this hash algorithm</param>
/// <returns></returns>
public static bool PerformHashes(CmdLineAppArgs args, bool overrideHash,
Hashes hashToOverrideWith)
{
// If the arguments are null, return false to notify the caller that there's
// nothing to do:
if (args == null)
{
return(false);
}
// If we're being told to override the hash, check to make sure that the hash
// specified in the arguments matches the hash we're supposed to override it
// with. If they don't match, print a warning to the user and override the
// hash. Otherwise, we'll let this quietly slip by.
if (overrideHash && args.Hash != hashToOverrideWith)
{
Console.Error.WriteLine("WARNING: Can't override hash algorithm, " +
GetHashSwitchString(args.Hash) + " switch ignored.");
args.Hash = hashToOverrideWith;
}
// If the file list is empty and the input file parameter was not set, then
// there's really not much for us to do. Complain and exit out with a false
// result.
if ((args.Files == null || args.Files.Length == 0) &&
String.IsNullOrEmpty(args.InputFile))
{
Console.Error.WriteLine("ERROR: No file list or input file specified. Nothing to do!");
return(false);
}
// If the input file was specified but we also got a list of files on the
// command line, we'll claim the input file overrides the list of files from
// the arguments and null those out:
if (!String.IsNullOrEmpty(args.InputFile) && args.Files != null &&
args.Files.Length > 0)
{
Console.Error.WriteLine("WARNING: Input file specified. File list on command line will be ignored.");
args.Files = null;
}
// Now that it looks like we're going to do something, put on our asbestos
// underpants:
try
{
// If an input file was specified, try to read in its contents:
if (!String.IsNullOrEmpty(args.InputFile))
{
// Declare a list of strings to hold the intermediate values read
// from the file:
List <string> fileList = new List <string>();
// Now try to open up the file for reading:
StreamReader reader = new StreamReader(args.InputFile);
// Loop through the lines in the file and examine each one:
string line = null;
while ((line = reader.ReadLine()) != null)
{
// For the sake of data integrity, we'll ignore any empty lines
// or lines that consist entirely of white space. As a convenience
// to the user, we'll also allow they to put in comments by starting
// a line with a hash/pound sign, which we'll also ignore.
if (line.Length == 0 || Regex.IsMatch(line, @"^\s*$") ||
Regex.IsMatch(line, @"^#"))
{
continue;
}
// If we pass that test, add the contents of the line to the list.
// Note that we'll strip any leading or trailing white space while
// we're at it.
fileList.Add(line.Trim());
}
// Close the reader:
reader.Close();
// If we got anything from the file, convert the list into a string
// array and put that into the arguments:
if (fileList.Count > 0)
{
args.Files = fileList.ToArray();
}
}
// We need to test again whether or not we have anything to do, because
// reading the input file may have populated the file list where it was
// empty before. If no files are listed, bail:
if (args.Files == null || args.Files.Length == 0)
{
Console.Error.WriteLine("ERROR: No file list specified or input file contained nothing useful. Nothing to do!");
return(false);
}
// Now declare our output stream writer. If an output file was specified,
// try to open that file, using the append flag as well. If no output file
// was specified, the writer object will remain null, which will be our flag
// below on where to send our output.
StreamWriter writer = null;
if (!String.IsNullOrEmpty(args.OutputFile))
{
writer = new StreamWriter(args.OutputFile, args.AppendOutput);
}
// Now to get to work. First, we need to know what mode we're working in.
// We'll handle compare mode first:
if (args.CompareMode)
{
// Compare mode only makes sense if we've got more than one file to
// compare. If not, we need to complain:
if (args.Files.Length == 1)
{
Console.Error.WriteLine("ERROR: Cannot compare files unless two or more files are specified.");
return(false);
}
// Print out the initial status message like above:
ConsoleStatusUpdater status = null;
if (writer == null)
{
status = new ConsoleStatusUpdater();
Console.WriteLine();
Console.Write("Comparing " + GetHashString(args.Hash) + " of " +
args.Files.Length + " files... 0%");
}
// Compute the hashes and compare the result. Note that the
// displayed status might be less than 100% if the comparisons
// fail.
bool isMatch = HashEngine.CompareHashes(args.Hash, args.Files, status);
// Print the result to the appropriate place:
string result = null;
if (isMatch)
{
result = "Congratulations! All " + args.Files.Length + " files match!";
}
else
{
result = "WARNING! One or more of these " + args.Files.Length + " files do not match!";
}
if (writer == null)
{
Console.WriteLine();
Console.WriteLine(result);
}
else
{
writer.WriteLine(result);
}
}
// If we're not in compare mode, we must be hashing each file individually:
else
{
// Loop through the file list:
foreach (string file in args.Files)
{
// We've already warned the user if they tried to use a redirection
// command, so ignore those here:
if (IsRedirectionCommand(file))
{
continue;
}
// Try to hash the file. Note that our actual result here is to
// concatenate the result with the file name, giving us a similar
// output to md5sum, shasum, and their friends.
string result = HashEngine.HashFile(args.Hash, file, args.OutputType,
null) + " " + file;
// Write the result to the appropriate output:
if (writer != null)
{
writer.WriteLine(result);
}
else
{
Console.WriteLine(result);
}
}
}
// Once we're finished, close the file if necessary:
if (writer != null)
{
writer.Close();
}
return(true);
}
// This needs to be prettied up, but for now just output the message from any
// exception caught and return false to the caller to indicate an error:
catch (Exception e)
{
Console.Error.WriteLine("ERROR: " + e.Message);
return(false);
}
}
/// <summary>
/// What to do when the OK button is clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void okButton_Click(object sender, EventArgs e)
{
try
{
// The disable update checks setting will be passed through the DisableUpdateCheck property. For the Send To
// shortcuts, those only make sense if we're running on Windows:
if (Environment.OSVersion.Platform == PlatformID.Win32NT ||
Environment.OSVersion.Platform == PlatformID.Win32Windows)
{
// Determine the command-line flag for output types. Get the current value of the drop-down and switch on
// it to determine which flag to add.
string outputType = null;
switch (HashEngine.GetOutputTypeFromName((string)comboOutputTypes.SelectedItem))
{
case OutputType.CapHex:
outputType = " -hexcaps";
break;
case OutputType.Base64:
outputType = " -base64";
break;
case OutputType.BubbleBabble:
outputType = " -bubbab";
break;
case OutputType.Hex:
default:
outputType = "";
break;
}
// Here's where things get funky. For creating shortcuts, we'll need to dip into the Windows Shell,
// so create our interface to it first:
WshShellClass wsh = new WshShellClass();
// We're going have to look at every hash in the list, so we might as well do a for loop here:
for (int i = 0; i < listSentToShortcuts.Items.Count; i++)
{
// Get the name of the hash as a string, as well as the full path to the shortcut file we plan to
// create or delete:
string hash = (string)listSentToShortcuts.Items[i];
string shortcutFile = sendToPath + Path.DirectorySeparatorChar.ToString() + hash + ".lnk";
// Always delete the existing shortcut if it exists. The user may have changed the output type,
// and there's no good way to check for that.
if (System.IO.File.Exists(shortcutFile))
{
System.IO.File.Delete(shortcutFile);
}
// If the hash's checkbox was checked, we'll create the shortcut for that hash. Most of this is
// pretty straightforward. The funkiest part is probably the shortcut arguments, which is where we
// tell WinHasher which hash to use. The command-line argument is usually the hash name in lower case
// minus any non-alphanumeric characters and with a UNIX-style dash ("-") on the front of it. We'll tack
// the output type onto the end of that before we assign it to the Arguments property. The WorkingDirectory
// is not really necessary as the Send To shortcut will send WinHasher the full path to the file, but we'll
// default it to My Documents, just in case. One gotcha on the TargetPath: If WinHasher is run through
// Visual Studio, this will point to the Visual Studio Hosting Process version of the file, not the final
// EXE. This should work as intended whenever the program is run by itself. The icon path should point
// to the WinHasher executable; in the Visual Studio Hosting Process scenario mentioned above, this means
// we won't get a nice icon on our shortcut, but it'll work otherwise.
if (listSentToShortcuts.GetItemChecked(i))
{
IWshShortcut shortcut = (IWshShortcut)(wsh.CreateShortcut(shortcutFile));
shortcut.TargetPath = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;
string hashArg = "-" + Regex.Replace(hash.ToLower(), @"\W", "");
shortcut.Arguments = hashArg + outputType;
shortcut.WindowStyle = 1;
shortcut.Description = "Compute the " + hash + " hash for the selected file(s)";
shortcut.WorkingDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
shortcut.IconLocation = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;
shortcut.Save();
}
}
}
// Let the caller know we clicked the OK button:
DialogResult = System.Windows.Forms.DialogResult.OK;
}
// We should probably pretty up this erorr message, but for now we'll just include the exception information:
catch (Exception ex)
{
MessageBox.Show("The Send To shortcuts could not be created.\n" + ex.Message,
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
// Dispose of the form:
Dispose();
}
static void Main(string[] args)
{
// Set up the usual GUI stuff first:
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// If no command-line arguments are given, go ahead and run the program in
// interactive GUI mode:
if (args.Length == 0)
{
Application.Run(new MainForm());
}
// If we have one and only one command-line argument and it's the portable
// flag, load the main application in portable mode (i.e. no writes to the
// registry):
else if (args.Length == 1 && args[0].ToLower() == "-portable")
{
Application.Run(new MainForm(true));
}
// Otherwise, assume we're going to process one or more files, show the results
// in a dialog box, then exit:
else
{
// Start off by declaring a string array to hold a copy of the command line
// arguments. We can't work with the argument array itself because we may
// need to strip off the first one if it's a hash switch.
string[] files = null;
// Set our default hash and output type:
Hashes hash = HashEngine.DefaultHash;
string hashString = HashEngine.GetHashName(hash);
OutputType outputType = HashEngine.DefaultOutputType;
// All our command switches come first, so step through them:
while (args[0].StartsWith("-"))
{
// Examine the switch:
switch (args[0].ToLower())
{
// Most of these determine which hash to use:
case "-md5":
hash = Hashes.MD5;
break;
case "-sha1":
hash = Hashes.SHA1;
break;
case "-sha224":
hash = Hashes.SHA224;
break;
case "-sha256":
hash = Hashes.SHA256;
break;
case "-sha384":
hash = Hashes.SHA384;
break;
case "-sha512":
hash = Hashes.SHA512;
break;
case "-ripemd128":
hash = Hashes.RIPEMD128;
break;
case "-ripemd160":
hash = Hashes.RIPEMD160;
break;
case "-ripemd256":
hash = Hashes.RIPEMD256;
break;
case "-ripemd320":
hash = Hashes.RIPEMD320;
break;
case "-whirlpool":
hash = Hashes.Whirlpool;
break;
case "-tiger":
hash = Hashes.Tiger;
break;
// But this switch enables Base64 hashing:
case "-base64":
outputType = OutputType.Base64;
break;
// And this puts us in all-caps hex mode:
case "-hexcaps":
outputType = OutputType.CapHex;
break;
// And this puts us in Bubble Babble mode:
case "-bubbab":
outputType = OutputType.BubbleBabble;
break;
// If we didn't get a valid hash switch, complain:
default:
MessageBox.Show("Invalid switch \"" + args[0] + "\"", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
}
hashString = HashEngine.GetHashName(hash);
// Now shift the array down to the next argument. I wish there was a better,
// more efficient way of doing this (like a Perl or PHP shift()), but this is
// all I know of using simple arrays:
string[] args2 = new string[args.Length - 1];
Array.Copy(args, 1, args2, 0, args.Length - 1);
args = args2;
//If there are no more arguments left, exit the loop
if (args.Length == 0)
{
break;
}
}
// By now, all our switches should be exhausted. We should only have strings
// not starting with hyphens, which we'll interpret as file path strings.
// Only proceed if we have files to work with:
files = args;
if (files.Length > 0)
{
// If we got one file, compute the hash and print it back:
if (files.Length == 1)
{
// We could throw some exceptions here, so ignore Yoda's advice and give
// it a try:
try
{
// Only do this if the file exists:
if (File.Exists(files[0]))
{
// Create a new progress dialog. This does the actual work:
ProgressDialog pd = new ProgressDialog(files[0], hash, true,
outputType);
pd.ShowDialog();
// If we got back a successful result, show the hash. Otherwise,
// the error message should already be shown so do nothing.
if (pd.Result == ProgressDialog.ResultStatus.Success && pd.Hash != null)
{
ResultDialog rd = new ResultDialog(pd.Hash, hash, outputType);
rd.ShowDialog();
}
}
// The file didn't exist:
else
{
MessageBox.Show("Error: The specified file does not exist.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#region Catch Exceptions
// Our hash engine can throw its own exceptions, which usually are just other
// exceptions wrapped in our own message format. We'll look for those first
// and foremost:
catch (HashEngineException hee)
{
MessageBox.Show("Error: " + hee.Message, "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
// Console.WriteLine() can throw this one:
catch (IOException)
{
MessageBox.Show("Error: An unknown I/O error has occured.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
// A catch-all to handle anything else:
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.ToString(), "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
#endregion
}
// If we receive more than one argument, will treat each one as a file path and
// reach each one in turn, computing its hash. The hash of each file is compared
// against the hash of the first file. If all the hashes match, we'll print out
// a happy congratulatory message. If just one of the hashes doesn't match the
// others, we say the whole batch fails.
else
{
try
{
// Create a new progress dialog and show it. This is where the actual
// work will be done. Note we don't care about the Base64 flag, since
// the actual hashes won't be displayed to the user. (Whether we compare
// hex strings or Base64 strings doesn't really matter.)
ProgressDialog pd = new ProgressDialog(files, hash, true);
pd.ShowDialog();
// If we got a successful result, keep going. Anything else should have
// already thrown an error message.
if (pd.Result == ProgressDialog.ResultStatus.Success)
{
// If the files matched, congratulate the user:
if (pd.FilesMatch)
{
MessageBox.Show("Congratulations! All " + files.Length +
" files match!", hashString + " Hash", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
// Otherwise, warn them:
else
{
MessageBox.Show("WARNING! One or more of these " + files.Length +
" files do not match!", hashString + " Hash",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
#region Catch Exceptions
// Same as above:
catch (HashEngineException hee)
{
MessageBox.Show("Error: " + hee.Message, "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
// Console.WriteLine() can throw this one:
catch (IOException)
{
MessageBox.Show("Error: An unknown I/O error has occured.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
// A catch-all to handle anything else:
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.ToString(), "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
#endregion
}
}
// There were no files left in the list after the switches were exhausted:
else
{
MessageBox.Show("Error: No files specified", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
}