private static PdfReader ListenPassword(byte[] bytes, ListenPasswordHandler passwordListener, PdfReader reader, BadPasswordException ex)
{
if (passwordListener == null)
{
throw ex;
}
L10:
byte[] password = passwordListener();
if (password == null)
{
throw ex;
}
try
{
reader = new PdfReader(bytes, password);
}
catch (BadPasswordException)
{
goto L10;
}
return(reader);
}
void bw_DoWorkUnzip(object sender, DoWorkEventArgs e)
{
Exception except = null;
string updtDetailsFilename = Path.Combine(TempDirectory, "updtdetails.udt");
try
{
ExtractUpdateFile();
try
{
// remove update file (it's no longer needed)
File.Delete(Filename);
}
catch { }
// Try to load the update details file
if (File.Exists(updtDetailsFilename))
{
UpdtDetails = UpdateDetails.Load(updtDetailsFilename);
}
else
{
throw new Exception("The update details file \"updtdetails.udt\" is missing.");
}
if (Directory.Exists(Path.Combine(TempDirectory, "patches")))
{
// patch the files
foreach (UpdateFile file in UpdtDetails.UpdateFiles)
{
if (file.DeltaPatchRelativePath != null)
{
if (IsCancelled())
{
break;
}
string tempFilename = Path.Combine(TempDirectory, file.RelativePath);
// create the directory to store the patched file
if (!Directory.Exists(Path.GetDirectoryName(tempFilename)))
{
Directory.CreateDirectory(Path.GetDirectoryName(tempFilename));
}
while (true)
{
try
{
using (FileStream original = File.Open(FixUpdateDetailsPaths(file.RelativePath), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (FileStream patch = File.Open(Path.Combine(TempDirectory, file.DeltaPatchRelativePath), FileMode.Open, FileAccess.Read, FileShare.Read))
using (FileStream target = File.Open(tempFilename, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
VcdiffDecoder.Decode(original, patch, target, file.NewFileAdler32);
}
}
catch (IOException IOEx)
{
int HResult = Marshal.GetHRForException(IOEx);
// if sharing violation
if ((HResult & 0xFFFF) == 32)
{
// notify main window of sharing violation
bw.ReportProgress(0, new object[] { -1, -1, string.Empty, ProgressStatus.SharingViolation, FixUpdateDetailsPaths(file.RelativePath) });
// sleep for 1 second
Thread.Sleep(1000);
// stop waiting if cancelled
if (IsCancelled())
{
break;
}
// retry file patch
continue;
}
throw new PatchApplicationException("Patch failed to apply to this file: " + FixUpdateDetailsPaths(file.RelativePath) + "\r\n\r\nBecause that file failed to patch, and there's no \"catch-all\" update to download, the update failed to apply. The failure to patch usually happens because the file was modified from the original version. Reinstall the original version of this app.\r\n\r\n\r\nInternal error: " + IOEx.Message);
}
catch (Exception ex)
{
throw new PatchApplicationException("Patch failed to apply to this file: " + FixUpdateDetailsPaths(file.RelativePath) + "\r\n\r\nBecause that file failed to patch, and there's no \"catch-all\" update to download, the update failed to apply. The failure to patch usually happens because the file was modified from the original version. Reinstall the original version of this app.\r\n\r\n\r\nInternal error: " + ex.Message);
}
// the 'last write time' of the patch file is really the 'lwt' of the dest. file
File.SetLastWriteTime(tempFilename, File.GetLastWriteTime(Path.Combine(TempDirectory, file.DeltaPatchRelativePath)));
break;
}
}
}
try
{
// remove the patches directory (frees up a bit of space)
Directory.Delete(Path.Combine(TempDirectory, "patches"), true);
}
catch { }
}
}
catch (BadPasswordException ex)
{
except = new BadPasswordException("Could not install the encrypted update because the password did not match.");
}
catch (Exception ex)
{
except = ex;
}
if (IsCancelled() || except != null)
{
// report cancellation
bw.ReportProgress(0, new object[] { -1, -1, "Cancelling update...", ProgressStatus.None, null });
// Delete temporary files
if (except != null && except.GetType() != typeof(PatchApplicationException))
{
// remove the entire temp directory
try
{
Directory.Delete(OutputDirectory, true);
}
catch { }
}
else
{
//only 'gut' the folder leaving the server file
string[] dirs = Directory.GetDirectories(TempDirectory);
foreach (string dir in dirs)
{
// delete everything but the self-update folder (AutoUpdate specific)
//Note: this code might be causing the "pyramid of death". TODO: Check.
if (Path.GetFileName(dir) == "selfupdate")
{
continue;
}
try
{
Directory.Delete(dir, true);
}
catch { }
}
// remove the update details
if (File.Exists(updtDetailsFilename))
{
File.Delete(updtDetailsFilename);
}
}
bw.ReportProgress(0, new object[] { -1, -1, string.Empty, ProgressStatus.Failure, except });
}
else
{
bw.ReportProgress(0, new object[] { -1, -1, string.Empty, ProgressStatus.Success, null });
}
}
