private void GetNewVersionNumber(GeneralData generalData, ref int updatedMajorVersionNumber,
ref int updatedMinorVersionNumber, ref string updatedVersionNumber)
{
updatedMajorVersionNumber = generalData.SoftwareMajorVersionNumber;
updatedMinorVersionNumber = generalData.SoftwareMinorVersionNumber;
updatedVersionNumber = String.Format("{0}.{1}", generalData.SoftwareMajorVersionNumber, generalData.SoftwareMinorVersionNumber);
}
private bool GetSettingsFiles(ref GeneralData generalData, ref User user)
{
for (int i = 0; i < 10; i++)
{
try
{
generalData = (GeneralData)Serializer.DeserializeNoLock(typeof(GeneralData), _appDataPath + "\\SettingsData\\ss_general_data.dat", "password");
}
catch (IOException)
{
Thread.Sleep(100);
}
catch
{
_log.WriteEntry("Cannot retrieve general settings.", EventLogEntryType.Error);
return(false);
}
}
if (generalData == null)
{
_log.WriteEntry("Cannot retrieve general settings. File was possibly locked", EventLogEntryType.Error);
return(false);
}
for (int i = 0; i < 10; i++)
{
try
{
user = (User)Serializer.DeserializeNoLock(typeof(User), _appDataPath + "\\SettingsData\\UserSettings.dat", "password");
}
catch (IOException)
{
Thread.Sleep(100);
}
catch
{
_log.WriteEntry("Cannot retrieve user settings.", EventLogEntryType.Error);
return(false);
}
}
if (user == null)
{
_log.WriteEntry("Cannot retrieve user settings. File was possibly locked", EventLogEntryType.Error);
return(false);
}
return(true);
}
private static GeneralData GetGeneralData()
{
GeneralData generalData = null;
try
{
generalData = (GeneralData)Serializer.DeserializeNoLock(typeof(GeneralData), System.Configuration.ConfigurationSettings.AppSettings["AppDataPath"] + "SettingsData\\ss_general_data.dat", "password");
}
catch
{
// can't display interface, so ignore.
}
return(generalData);
}
private bool GetValuesFromGeneralData(GeneralData generalData, ref int maxNoServersDownload, ref int maxNoServersRelay,
ref int timeout, ref string primaryDomainName, ref string secondaryDomainName)
{
if (!int.TryParse(generalData.NoServers["download"], out maxNoServersDownload))
{
_log.WriteEntry("Cannot get maximum number of component list download servers.", EventLogEntryType.Error);
return(false);
}
if (!int.TryParse(generalData.NoServers["relayLog"], out maxNoServersRelay))
{
_log.WriteEntry("Cannot get maximum number of component list relay servers.", EventLogEntryType.Error);
return(false);
}
if (!int.TryParse(generalData.Properties["serverTimeout"], out timeout))
{
_log.WriteEntry("Cannot get timeout download servers.", EventLogEntryType.Error);
return(false);
}
if (!generalData.Properties.ContainsKey("primaryDomainName"))
{
_log.WriteEntry("Primary domain name not found.", EventLogEntryType.Error);
return(false);
}
else
{
primaryDomainName = generalData.Properties["primaryDomainName"];
}
if (!generalData.Properties.ContainsKey("secondaryDomainName"))
{
_log.WriteEntry("Secondary domain name not found.", EventLogEntryType.Error);
return(false);
}
else
{
secondaryDomainName = generalData.Properties["secondaryDomainName"];
}
return(true);
}
private bool GetSettingsFiles(ref GeneralData generalData, ref User user)
{
try
{
generalData = (GeneralData)Serializer.DeserializeNoLock(typeof(GeneralData), _appDataPath + "\\SettingsData\\ss_general_data.dat", "password");
}
catch
{
_log.WriteEntry("Cannot retrieve general settings. Updating will be postponed.", EventLogEntryType.Error);
return(false);
}
try
{
user = (User)Serializer.DeserializeNoLock(typeof(User), _appDataPath + "\\SettingsData\\UserSettings.dat", "password");
}
catch
{
_log.WriteEntry("Cannot retrieve user settings. Updating will be postponed.", EventLogEntryType.Error);
return(false);
}
return(true);
}
private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
System.Globalization.CultureInfo ci = new System.Globalization.CultureInfo("en-GB");
System.Threading.Thread.CurrentThread.CurrentCulture = ci;
System.Threading.Thread.CurrentThread.CurrentUICulture = ci;
string tempDir = _binariesPath + "Temp\\";
string binTempDir = _binariesPath + "Temp\\Bin\\";
string systemTempDir = _binariesPath + "Temp\\System\\";
// Check if admin has access rights in the binary folder. System folder will always fail as
// method checks all fiels and some files are inaccessible.
// We only need enough privileges to overwrite the Oxigen files.
if (!FileDirectoryRightsChecker.CanCreateDeleteDirectories(_binariesPath) ||
!FileDirectoryRightsChecker.AreFilesReadableWritable(_binariesPath))
{
_log.WriteEntry("Cannot update Oxigen. File and directory access rights are insufficient.", EventLogEntryType.Error);
_bError = true;
_bCanClose = true;
return;
}
if (!Directory.Exists(binTempDir))
{
Directory.CreateDirectory(binTempDir);
}
else
{
DeleteAllFiles(binTempDir);
}
if (!Directory.Exists(systemTempDir))
{
Directory.CreateDirectory(systemTempDir);
}
else
{
DeleteAllFiles(systemTempDir);
}
GeneralData generalData = null;
User user = null;
if (!GetSettingsFiles(ref generalData, ref user))
{
MessageBox.Show("Cannot retrieve new version info. Updating will be postponed.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
_bError = true;
_bCanClose = true;
return;
}
int maxNoServersDownload = -1;
int maxNoServersDelay = -1;
int timeout = -1;
string primaryDomainName = null;
string secondaryDomainName = null;
int updatedMajorVersionNumber = -1;
int updatedMinorVersionNumber = -1;
string updatedVersionNumber = null;
if (!GetValuesFromGeneralData(generalData, ref maxNoServersDownload, ref maxNoServersDelay,
ref timeout, ref primaryDomainName, ref secondaryDomainName))
{
MessageBox.Show("There was an error reading the global Oxigen settings.", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
_bError = true;
_bCanClose = true;
return;
}
GetNewVersionNumber(generalData, ref updatedMajorVersionNumber,
ref updatedMinorVersionNumber, ref updatedVersionNumber);
string machineGUIDSuffix = user.GetMachineGUIDSuffix();
HashSet <InterCommunicationStructures.ComponentInfo> changedComponents;
try
{
changedComponents = (HashSet <InterCommunicationStructures.ComponentInfo>)Serializer.DeserializeClearText(typeof(HashSet <InterCommunicationStructures.ComponentInfo>), _appDataPath + "\\SettingsData\\components.dat");
}
catch
{
_log.WriteEntry("Error retrieving the Oxigen Updated Component List.", EventLogEntryType.Error);
MessageBox.Show("There was an error retrieving the Oxigen Updated Components List.", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
_bError = true;
_bCanClose = true;
return;
}
_step = 100 / (changedComponents.Count + 1);
// Download components
UserFileMarshallerSUClient client = null;
StreamErrorWrapper wrapper = null;
string uri = ResponsiveServerDeterminator.GetResponsiveURI(ServerType.DownloadGetFile,
maxNoServersDownload, timeout, machineGUIDSuffix, primaryDomainName,
secondaryDomainName, "UserFileMarshaller.svc");
if (uri == "")
{
backgroundWorker.ReportProgress(100);
_bCanClose = true;
Application.Exit();
return;
}
uri += "/file";
try
{
client = new UserFileMarshallerSUClient();
client.Endpoint.Address = new System.ServiceModel.EndpointAddress(uri);
foreach (ComponentInfo component in changedComponents)
{
ComponentParameterMessage message = new ComponentParameterMessage()
{
ComponentFileName = component.File,
VersionNumber = updatedVersionNumber,
SystemPassPhrase = "password"
};
wrapper = client.GetComponent(message);
if (wrapper.ErrorStatus == ErrorStatus.Success)
{
string path = null;
if (component.Location == ComponentLocation.BinaryFolder)
{
path = binTempDir + component.File;
}
else
{
path = systemTempDir + component.File;
}
SaveStreamAndDispose(wrapper.ReturnStream, path);
ReportProgress();
}
else
{
wrapper.ReturnStream.Dispose();
_log.WriteEntry("Attempting to download file: " + component.File + " returned this error: " + wrapper.ErrorCode + " " + wrapper.Message, EventLogEntryType.Error);
MessageBox.Show("There was an error getting the update from the server. A new update will be attempted later.");
if (Directory.Exists(tempDir))
{
Directory.Delete(tempDir, true);
}
if (File.Exists(_appDataPath + "SettingsData\\components.dat"))
{
File.Delete(_appDataPath + "SettingsData\\components.dat");
}
// it's an all-or-nothing update so if one file fails, abort
_bError = true;
_bCanClose = true;
return;
}
}
}
catch (Exception ex1)
{
if (Directory.Exists(tempDir))
{
try
{
Directory.Delete(tempDir, true);
}
catch (Exception ex2)
{
_log.WriteEntry(ex2.ToString(), EventLogEntryType.Error);
}
}
_log.WriteEntry(ex1.ToString(), EventLogEntryType.Error);
MessageBox.Show("Oxigen could not complete the software update. A new update will be attempted later.");
_bError = true;
_bCanClose = true;
return;
}
finally
{
if (wrapper != null)
{
wrapper.ReturnStream.Dispose();
}
client.Dispose();
}
// stop the SSG
KillProcess("OxigenService");
// kill the Tray that monitors the SSG
KillProcess("OxigenTray");
// if CE and LE are running, wait until they're finished
while (IsProcessRunning("OxigenLE") || IsProcessRunning("OxigenCE"))
{
;
}
// TODO: stop the screensaver from starting
MoveFiles(binTempDir, systemTempDir);
System.Diagnostics.Process.Start(_binariesPath + "OxigenService.exe");
if (File.Exists(_appDataPath + "SettingsData\\components.dat"))
{
File.Delete(_appDataPath + "SettingsData\\components.dat");
}
if (Directory.Exists(_binariesPath + "Temp\\"))
{
Directory.Delete(_binariesPath + "Temp\\", true);
}
// upload user info to server and update local UserSettings information with the latest version of Screensaver
UploadUpdateCurrentVersionInfo(updatedMajorVersionNumber, updatedMinorVersionNumber,
updatedVersionNumber, maxNoServersDelay, timeout, machineGUIDSuffix, primaryDomainName, secondaryDomainName);
backgroundWorker.ReportProgress(100);
Thread.Sleep(1000);
}
static void Main(string[] args)
{
// Put main thread on hold for a second. This is for when the application restarts itself with elevated privileges
// to perform the software update.
// immediately after this line there is a check to see if there is a software updater already running and exit if
// there is. As the software updater starts a new instance of itself if elevated privileges are needed and THEN
// the first instance exits, it is possible that the second instance will start the check before the first instance
// exits and that will exit too.
// Sleeping the thread for 1 sec doesn't guarantee that the first instance won't exit in time but
// the chances of both instances exiting are minuscule as the first instance starts the second just right before
// it exits.
System.Threading.Thread.Sleep(1000);
// make sure no other software updater is running
Process process = Process.GetCurrentProcess();
string processName = process.ProcessName;
Process[] processes = Process.GetProcessesByName(processName);
if (processes.Length > 1)
{
return;
}
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
SSLValidator.OverrideValidation();
System.Globalization.CultureInfo ci = new System.Globalization.CultureInfo("en-GB");
System.Threading.Thread.CurrentThread.CurrentCulture = ci;
System.Threading.Thread.CurrentThread.CurrentUICulture = ci;
string appDataPath = System.Configuration.ConfigurationSettings.AppSettings["AppDataPath"];
if (args.Length > 0)
{
// network access mode to provoke the client's firewall
if (args[0] == "/n")
{
GeneralData generalData = GetGeneralData();
User user = GetUser();
if (generalData != null && user != null)
{
ResponsiveServerDeterminator.GetResponsiveURI
(ServerType.RelayLogs,
int.Parse(generalData.NoServers["relayChannelAssets"]),
int.Parse(generalData.Properties["serverTimeout"]),
user.GetMachineGUIDSuffix(),
generalData.Properties["primaryDomainName"],
generalData.Properties["secondaryDomainName"],
"UserDataMarshaller.svc");
}
Application.Exit();
return;
}
// verbose mode: pop up form.
if (args[0] == "/v")
{
AppDataSingleton.Instance.IsVerboseMode = true;
VerboseModeForm form = new VerboseModeForm(appDataPath);
Application.Run(form);
}
}
// This if will be true if user has restarted the application to gain Admin privileges.
// Application does not need Admin privileges if it's only checking for new updates but only
// if it has determined that they exist and needs to download them.
if (HasAdminRights() && System.IO.Directory.Exists(appDataPath) &&
System.IO.File.Exists(appDataPath + "\\SettingsData\\components.dat"))
{
// update app.config with any new parameters
UpdateConfig();
if (CanDeserialize(appDataPath + "\\SettingsData\\components.dat"))
{
Application.Run(new ProgressForm());
return;
}
else
{
File.Delete(appDataPath + "\\SettingsData\\components.dat");
}
}
if (args.Length == 0)
{
// Code that will execute if user run app as non-admin.
// it will check for updates and ask for elevated privileges.
ComponentListRetriever clr = new ComponentListRetriever();
clr.Retrieve();
UpdatePrompter prompter = new UpdatePrompter(clr, appDataPath);
prompter.PromptForUpdateIfExists();
}
}