private void VerifySignature(RepoB.RepoVersion version)
{
if (string.IsNullOrEmpty(version.Signature))
{
return;
}
if (version.Signature.ToLower() != version.CalculateSignature().ToLower())
{
string file = Folder + version.Version + ".repo";
if (System.IO.File.Exists(file))
{
System.IO.File.Delete(file);
}
throw new Exception("UpdateWrongSignature");
}
}
private RepoB.RepoVersion GetVersionIndex(string version)
{
Globals.Root.Log.WriteLine("Fetching version index: " + version);
string file = Folder + version + ".repo";
if (!System.IO.File.Exists(file))
{
byte[] data = m_Server.Fetch(Server.Software, RepoB.RepoVersion.StoredAtRel(Server.PRODUCT, version));
System.IO.File.WriteAllBytes(file, data);
}
RepoB.RepoVersion create = RepoB.RepoList.LoadVersionFile(file);
VerifySignature(create);
create.SetLocalPath(Globals.Root.InternalFolder + System.IO.Path.DirectorySeparatorChar);
create.SetLocalPath("%shared%", Globals.Root.SharedFolder + System.IO.Path.DirectorySeparatorChar);
return(create);
}
public void VerifyVersion(RepoB.RepoVersion version, bool includeUpdateFolder, ref System.Text.StringBuilder sb, ref int wrong)
{
// checks our currently installed files against the version, and returns the number of errors and a report in the ByRef parameters
// if includeUpdateFolder then files available in the update folder are counted
// sb can be nothing if the report is not required
if (sb == null)
{
sb = new System.Text.StringBuilder();
}
wrong = 0;
foreach (RepoB.RepoFile file in version.Files)
{
if (!file.Delete)
{
var statusInt = version.CheckFile(file);
if (statusInt != 0 && includeUpdateFolder && FileAvailableInUpdate(file))
{
statusInt = 0;
}
switch (statusInt)
{
case RepoB.RepoVersion.FileState.Missing:
sb.Append(file.Destination).Append(": Missing").Append("\r\n");
wrong += 1;
break;
case RepoB.RepoVersion.FileState.OK:
break;
case RepoB.RepoVersion.FileState.Wrong:
sb.Append(file.Destination).Append(": Mismatch - current is ");
sb.Append(RepoB.FileHash.GetFileHash(version.LocalFilePath(file)));
sb.Append(", required ").Append(file.MD5).Append("\r\n");
wrong += 1;
break;
default:
sb.Append(file.Destination).Append("!unknown status!").Append("\r\n");
break;
}
}
Application.DoEvents();
}
sb.Append("\r\n").Append(version.Files.Length.ToString()).Append(" total files.").Append("\r\n");
sb.Append(wrong.ToString()).Append(" wrong.").Append("\r\n");
}
public void tmrStart_Tick(object sender, EventArgs e)
{
// finds which is the latest version available, and gets the index file for it
tmrStart.Enabled = false;
this.Cursor = Cursors.WaitCursor;
string errorAction = "Update_Contact_Failed"; // first part of error message - changes throughout function
try
{
txtLatest.Text = "?"; // will be left in place if fn fails early
m_Server = new Repo2SoapClient("Repo2Soap", Server.TechURL + "repo2.asmx");
string latest = m_Server.LastVersionB(Server.Software, Server.PRODUCT, SoftwareVersion.VersionString, "", false, Server.Language2, RootApplication.GetNetVersion(), RootApplication.GetMachineID());
// if it is prefixed with "w", then it needs to be downloaded from the website
m_RequiresWeb = false;
if (latest.StartsWith("w", StringComparison.InvariantCultureIgnoreCase))
{
m_RequiresWeb = true;
latest = latest.Substring(1);
}
latest = latest.Split('#')[0];
// other info can be appended after #. Not used here
txtLatest.Text = latest;
m_LatestNumber = SoftwareVersion.VersionNumberFromString(latest);
errorAction = "Update_Version_Fetch_Failed";
m_Latest = null;
if (!m_RequiresWeb)
{
m_Latest = GetVersionIndex(latest);
}
errorAction = "Update_Check_Failed";
//MessageBox.Show("m_LatestNumber=" + m_LatestNumber + ", SoftwareVersion.Version=" + SoftwareVersion.Version);
if (m_LatestNumber <= SoftwareVersion.Version + 0.001) // the +0.001 added as bizarrely this condition was failing on 32 bit machines when both were "700.7"
{
lblStatus.Text = Strings.Item("Update_Latest_Installed");
btnDownload.Visible = false;
int errors = 0;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
VerifyVersion(m_Latest, false, ref sb, ref errors);
//Clipboard.SetText(sb.ToString());
if (errors > 0)
{
lblStatus.Text = Strings.Item("Update_Installation_Damaged");
btnDownload.Text = Strings.Item("Update_Reinstall");
btnDownload.Visible = true;
}
}
else if (m_RequiresWeb)
{
lblStatus.Text = Strings.Item("Update_Newer_Manual");
btnDownload.Text = Strings.Item("Update_Show_Website");
btnDownload.Visible = true;
}
else
{
lblStatus.Text = Strings.Item("Update_Newer_Available");
btnDownload.Text = Strings.Item("Update_Download_Install").Replace("%0", latest);
btnDownload.Visible = true;
}
}
catch (Exception ex)
{
lblStatus.Text = Strings.Item(errorAction).Trim() + " " + ex.Message;
}
finally
{
this.Cursor = Cursors.Default;
}
}
/// <summary>download all the files in the version which are neither already in the update folder, nor match the currently installed files
/// Returns true if all of the files were downloaded successfully</summary>
private bool FetchVersionFiles(RepoB.RepoVersion version)
{
try
{
// generate a list of required files...
Globals.Root.LogPermanent.WriteLine("Starting fetch version " + version.Version);
StartAsync(Strings.Item("Update_Checking_Files"));
RepoB.XferList updateList = new RepoB.XferList();
foreach (RepoB.RepoFile file in version.Files)
{
if (!file.IsFolder() && !FileAvailableInUpdate(file) && version.CheckFile(file) != RepoB.RepoVersion.FileState.OK)
{
updateList.Add(file);
}
Application.DoEvents();
}
if (m_Cancel)
{
return(false);
}
// Download the actual files...
StartAsync(Strings.Item("Update_Downloading"), updateList.Count(), updateList.TotalSize());
foreach (RepoB.RepoFile file in updateList.Files)
{
string localPath = Folder + file.StoredName();
if (file.Delete == false && (!System.IO.File.Exists(localPath) || RepoB.FileHash.GetFileHash(localPath).ToLower() != file.MD5.ToLower()))
{
if (System.IO.File.Exists(localPath))
{
// needs to ensure that the file is writable
System.IO.File.SetAttributes(localPath, System.IO.FileAttributes.Normal);
}
FetchFile("Files\\" + file.StoredName(), localPath, file.Size);
if (m_Cancel)
{
return(false);
}
}
else
{
AsyncProgress(1, file.Size);
}
}
if (m_Cancel)
{
return(false);
}
// Verify the integrity of the files
StartAsync(Strings.Item("Update_Verifying"), updateList.Count(), 0);
int fails = 0;
foreach (RepoB.RepoFile file in updateList.Files)
{
if (!file.Delete)
{
string localPath = Folder + file.StoredName();
if (!System.IO.File.Exists(localPath) || RepoB.FileHash.GetFileHash(localPath).ToLower() != file.MD5.ToLower())
{
fails += 1;
Globals.Root.Log.WriteLine("Failed, file missing or corrupt: " + file.Destination + " (stored at " + localPath + ")");
}
}
AsyncProgress(1, 0);
if (m_Cancel)
{
return(false);
}
}
// Report the result to the user
if (fails == 0)
{
StartInstall(version.Version);
}
else
{
MessageBox.Show(Strings.Item("Update_Verify_Failed").Replace("%0", fails.ToString()));
}
}
catch (Exception ex)
{
Utilities.LogSubError(ex);
MessageBox.Show(ex.Message);
}
finally
{
EndAsync();
}
return(true);
}
