/// <summary>
/// Check if version file exists and if it is a valid version file
/// </summary>
/// <param name="path"></param>
/// <returns>Version string in form x.y.z.w, kill, or null</returns>
public static string ExtractVersionStringFile(string path, Configuration.VersionMode vmode)
{
string[] lines = null;
if (string.IsNullOrEmpty(path) || InvalidPathCharacters(path) || !new System.IO.FileInfo(path).Exists)
{
return(null);
}
else if (new System.IO.FileInfo(path).Exists)
{
try
{
lines = File.ReadAllLines(path);
}
catch (Exception e)
{
PrintInformation(Configuration.InformationStrings.NONE, "Error while reading file, " + e.Message, Util.PrintMode.ERROR, false);
return(null);
}
foreach (string s in lines)
{
PrintInformation(Configuration.InformationStrings.NONE, "Contents of file: " + s, Util.PrintMode.NORMAL, false);
}
string stringPattern = "";
switch (vmode)
{
case Configuration.VersionMode.BINARY:
stringPattern = "bin ";
return(ParseVersionString(lines, stringPattern));
case Configuration.VersionMode.CONFIGURATION:
stringPattern = "conf ";
return(ParseVersionString(lines, stringPattern));
case Configuration.VersionMode.KILL:
return(ParseKillString(lines));
default:
return(null);
}
}
PrintInformation(Configuration.InformationStrings.NONE, "Parsing. Invalid version file, a general error occurred", PrintMode.ERROR, false);
return(null);
}
/// <summary>
/// Installs the new version of the binary and update tool, together with libraries, in parent folder with corresponding version signature.
/// If C:\Program Files (x86)\TARGET\Target Project is the current directory, the new version will be installed to
/// C:\Programs (x86)\TARGET\x.y.z.w\
///
/// In case of a binary update InstallUpdate compares the new binary first, before install
/// Then the old program will be closed and the new one will be started.
///
/// If it doesn't succeed don't invoke any error handling
/// </summary>
/// <param name="fileName">Filename to be downloaded</param>
/// <param name="fileExtension">Different downloads have different file extensions, some have none ""</param>
/// <param name="remoteVersionString">Version string that specifies file to download</param>
/// <param name="path">Path to the current working directory</param>
/// <param name="vmode">Configuration or Binary update</param>
/// <returns>null on error otherwise new executable path</returns>
public static string InstallUpdate(string fileName, string fileExtension, string remoteVersionString, string path, Configuration.VersionMode vmode)
{
if (String.IsNullOrEmpty(fileName) || String.IsNullOrEmpty(remoteVersionString) || String.IsNullOrEmpty(path))
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "Variables not set", Util.PrintMode.ERROR, false);
return(null);
}
fileName += remoteVersionString + fileExtension;
string downloadLocation = Path.Combine(path, fileName);
string downloadLink = SERVER + fileName;
string returnPath = path;
Util.PrintInformation(Configuration.InformationStrings.NONE, "Download Location:" + downloadLocation, Util.PrintMode.NORMAL, false);
Util.PrintInformation(Configuration.InformationStrings.NONE, "Download Link:" + downloadLink, Util.PrintMode.NORMAL, false);
// Download installation file (TARGET_x.y.z.w.zip or client_check_x.y.z.w)
if (!Util.DownloadFile(downloadLink, downloadLocation))
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "The file: " + downloadLink + " could not be downloaded", Util.PrintMode.ERROR, false);
return(null);
}
switch (vmode)
{
// If a binary is installed we check the binary file version to see if it is indeed newer than the current one
case Configuration.VersionMode.BINARY:
string unpackLocation = Path.Combine(EXECUTABLE_DIRECTORY_PARENT, remoteVersionString);
string tmpFolder = Path.GetTempPath();
string tmpTargetFolder = Path.Combine(tmpFolder, remoteVersionString);
Util.PrintInformation(Configuration.InformationStrings.NONE, "Trying to extract to temp folder: " + tmpTargetFolder, Util.PrintMode.NORMAL, false);
bool ret = Util.ExtractFiles(downloadLocation, tmpTargetFolder);
// If we were able to extract the files ..
if (ret)
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "Set unpack location: " + unpackLocation, Util.PrintMode.NORMAL, false);
returnPath = unpackLocation;
// .. create path to binary
string PathToBinary = Path.Combine(tmpTargetFolder, TARGET_BINARY_NAME);
int comp = Util.CompareBinaryFileVersion(PathToBinary, BINARY_LOCAL_VERSION_STRING);
// .. and test whether the new version is really newer
if (comp == 1)
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "Binary pointed by path is newer than " + BINARY_LOCAL_VERSION_STRING, Util.PrintMode.NORMAL, false);
}
else
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "Binary pointed by path is older/same than " + BINARY_LOCAL_VERSION_STRING, Util.PrintMode.NORMAL, false);
return(null);
}
}
Util.ExtractFiles(downloadLocation, unpackLocation);
Util.PrintInformation(Configuration.InformationStrings.INFORMATION_000_006, unpackLocation, Util.PrintMode.NORMAL, false);
break;
case Configuration.VersionMode.CONFIGURATION:
Util.PrintInformation(Configuration.InformationStrings.NONE, "Nothing to do in CONFIGURATION mode", Util.PrintMode.NORMAL, false);
break;
default:
return(null);
}
#if __DEBUG
Util.PrintFileSystemEntries(returnPath);
#endif
return(returnPath);
}
/// <summary>
/// Compare various kinds of version strings, or find kill string.
/// </summary>
/// <param name="tmpFileVersion">Path to file that needs to be parsed for a version string</param>
/// <param name="vmode">What kind of update, config files or binary, or killswitch</param>
/// <returns></returns>
public static string FindNewOnlineVersion(string tmpFileVersion, Configuration.VersionMode vmode)
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "\n" + LINE, Util.PrintMode.NORMAL, false);
if (String.IsNullOrEmpty(tmpFileVersion))
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "tmpFileVersion not set", Util.PrintMode.ERROR, false);
return(null);
}
string remoteVersionString = Util.ExtractVersionStringFile(tmpFileVersion, vmode);
if (String.IsNullOrEmpty(remoteVersionString))
{
Util.PrintInformation(Configuration.InformationStrings.NONE, "Remote Version String could not be extracted", Util.PrintMode.ERROR, false);
return(null);
}
Util.PrintInformation(Configuration.InformationStrings.NONE, "REMOTEVERSION:" + remoteVersionString, Util.PrintMode.NORMAL, false);
int comp = -1;
switch (vmode)
{
case Configuration.VersionMode.BINARY:
Util.PrintInformation(Configuration.InformationStrings.NONE, "BINARY_LOCAL_VERSION_STRING:" + BINARY_LOCAL_VERSION_STRING, Util.PrintMode.NORMAL, false);
comp = Util.CompareVersion(remoteVersionString, BINARY_LOCAL_VERSION_STRING);
break;
case Configuration.VersionMode.CONFIGURATION:
Util.PrintInformation(Configuration.InformationStrings.NONE, "CONFIG_LOCAL_VERSION_STRING:" + CONFIG_LOCAL_VERSION_STRING, Util.PrintMode.NORMAL, false);
comp = Util.CompareVersion(remoteVersionString, CONFIG_LOCAL_VERSION_STRING);
break;
case Configuration.VersionMode.KILL:
Util.PrintInformation(Configuration.InformationStrings.NONE, "KILL_MODE", Util.PrintMode.NORMAL, false);
return(remoteVersionString);
default:
Util.PrintInformation(Configuration.InformationStrings.NONE, "Unsupported vmode", Util.PrintMode.ERROR, false);
return(null);
}
// Assuming the remote version string is newer than the other, we return that version string, e.g.
// 1.2.3.4 > 0.0.2.1
switch (comp)
{
case 0:
Util.PrintInformation(Configuration.InformationStrings.NONE, "Same version", Util.PrintMode.NORMAL, false);
return(null);
case 1:
Util.PrintInformation(Configuration.InformationStrings.NONE, "Remote version is newer", Util.PrintMode.NORMAL, false);
return(remoteVersionString);
case 2:
Util.PrintInformation(Configuration.InformationStrings.NONE, "Local version is newer", Util.PrintMode.NORMAL, false);
return(null);
default:
Util.PrintInformation(Configuration.InformationStrings.INFORMATION_000_002, "", Util.PrintMode.ERROR, false);
return(null);
}
}
