public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
long fileLength = 0;
if (!Attributes.ContainsKey("size") || !long.TryParse(Attributes["size"], out fileLength))
return true;
string localPath = string.Empty;
if (Attributes.ContainsKey("localPath"))
localPath = Attributes["localPath"];
else if (task != null && task.Attributes.ContainsKey("localPath"))
localPath = task.Attributes["localPath"];
if (!File.Exists(localPath))
return true;
FileInfo fi = new FileInfo(localPath);
if (Attributes.ContainsKey("what"))
{
switch (Attributes["what"])
{
case "above":
return fileLength < fi.Length;
case "is":
return fileLength == fi.Length;
}
}
return fileLength > fi.Length;
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
DateTime fileDateTime;
if (!Attributes.ContainsKey("timestamp") || !DateTime.TryParse(Attributes["timestamp"], out fileDateTime))
return true;
string localPath = string.Empty;
if (Attributes.ContainsKey("localPath"))
localPath = Attributes["localPath"];
else if (task != null && task.Attributes.ContainsKey("localPath"))
localPath = task.Attributes["localPath"];
if (!File.Exists(localPath))
return true;
DateTime localFileDateTime = File.GetLastWriteTime(localPath);
if (Attributes.ContainsKey("what"))
{
switch (Attributes["what"])
{
case "newer":
return localFileDateTime > fileDateTime;
case "is":
return localFileDateTime.Equals(fileDateTime);
}
}
return localFileDateTime < fileDateTime; // == what="older"
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
if (!Attributes.ContainsKey("version"))
return true;
string localPath = string.Empty;
if (Attributes.ContainsKey("localPath"))
localPath = Attributes["localPath"];
else if (task != null && task.Attributes.ContainsKey("localPath"))
localPath = task.Attributes["localPath"];
if (!System.IO.File.Exists(localPath))
return true;
string versionString = FileVersionInfo.GetVersionInfo(localPath).FileVersion.Replace(", ", ".");
Version localVersion = new Version(versionString);
Version updateVersion = new Version(Attributes["version"]);
if (Attributes.ContainsKey("what"))
{
switch (Attributes["what"])
{
case "above":
return updateVersion < localVersion;
case "is":
return updateVersion == localVersion;
}
}
return updateVersion > localVersion;
}
public bool Prepare(NAppUpdate.Framework.Sources.IUpdateSource source)
{
if (!Attributes.ContainsKey("localPath"))
return true; // Errorneous case, but there's nothing to prepare to...
string fileName;
if (Attributes.ContainsKey("updateTo"))
fileName = Attributes["updateTo"];
else
fileName = Attributes["localPath"];
tempFile = null;
try
{
string tempFileLocal = Path.Combine(UpdateManager.Instance.TempFolder, Guid.NewGuid().ToString());
if (!source.GetData(fileName, UpdateManager.Instance.BaseUrl, ref tempFileLocal))
return false;
tempFile = tempFileLocal;
}
catch (Exception ex)
{
throw new UpdateProcessFailedException("Couldn't get Data from source", ex);
}
if (Attributes.ContainsKey("sha256-checksum"))
{
string checksum = Utils.FileChecksum.GetSHA256Checksum(tempFile);
if (!checksum.Equals(Attributes["sha256-checksum"]))
return false;
}
return true;
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
string localPath = string.Empty;
if (Attributes.ContainsKey("localPath"))
localPath = Attributes["localPath"];
else if (task != null && task.Attributes.ContainsKey("localPath"))
localPath = task.Attributes["localPath"];
return System.IO.File.Exists(localPath);
}
// TODO: Work with enums on code and Attributes to get a proper and full OS version comparison
// use http://stackoverflow.com/questions/545666/how-to-translate-ms-windows-os-version-numbers-into-product-names-in-net
// and http://msdn.microsoft.com/en-us/library/ms724429(VS.85).aspx
#region IUpdateCondition Members
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
bool is64Bit = Is64BitOperatingSystem();
if (OsBits == 32 && OsBits != 64)
return true;
// OS bitness check, if requested
if (OsBits == 32 && is64Bit)
return false;
if (OsBits == 64 && !is64Bit)
return false;
return true;
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
// OS bitness check, if requested
if (Attributes.ContainsKey("bit"))
{
bool Is64Bit = Is64BitOperatingSystem();
if ("32".Equals(Attributes["bit"]) && Is64Bit)
return false;
else if ("64".Equals(Attributes["bit"]) && !Is64Bit)
return false;
}
return true;
// TODO: Work with enums on code and Attributes to get a proper and full OS version comparison
// use http://stackoverflow.com/questions/545666/how-to-translate-ms-windows-os-version-numbers-into-product-names-in-net
// and http://msdn.microsoft.com/en-us/library/ms724429(VS.85).aspx
throw new NotImplementedException();
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
string localPath = string.Empty;
if (Attributes.ContainsKey("localPath"))
localPath = Attributes["localPath"];
else if (task != null && task.Attributes.ContainsKey("localPath"))
localPath = task.Attributes["localPath"];
if (!File.Exists(localPath))
return true;
if (Attributes.ContainsKey("sha256-checksum"))
{
string sha256 = Utils.FileChecksum.GetSHA256Checksum(localPath);
if (!string.IsNullOrEmpty(sha256) && sha256.Equals(Attributes["sha256-checksum"]))
return true;
}
// TODO: Support more checksum algorithms (although SHA256 has no collisions, other are more commonly used)
return false;
}
public bool IsMet(NAppUpdate.Framework.Tasks.IUpdateTask task)
{
if (ChildConditions == null)
return true;
// perform the update if Passed == true
// otherwise, do not perform the update
bool Passed = true, firstRun = true;
foreach (ConditionItem item in ChildConditions)
{
// If after the first iteration, accept as fulfilled if we are at an OR clause and the conditions
// before this checked OK (i.e. update needed)
if (!firstRun)
{
if (Passed && (item._ConditionType & ConditionType.OR) > 0)
return true;
}
else { firstRun = false; }
// Skip all ANDed conditions if some of them failed, until we consume all the conditions
// or we hit an OR'ed one
if (!Passed)
{
if ((item._ConditionType & ConditionType.OR) > 0)
{
bool checkResult = item._Condition.IsMet(task);
Passed = (item._ConditionType & ConditionType.NOT) > 0 ? !checkResult : checkResult;
}
}
else
{
bool checkResult = item._Condition.IsMet(task);
Passed = (item._ConditionType & ConditionType.NOT) > 0 ? !checkResult : checkResult;
}
}
return Passed;
}
