zervo/seb-win-refactoring
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chore: added function blocks and fixed if statement

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This commit is contained in:
Notselwyn 2023-07-18 15:02:02 +02:00
parent 210a0419ca
commit c1307624d9
2 changed files with 22 additions and 9 deletions
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19
SafeExamBrowser.SystemComponents/Registry/Registry.cs
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@ -94,7 +94,9 @@ namespace SafeExamBrowser.SystemComponents.Registry
names = default;
if (!TryOpenKey(keyName, out var key))
{
return false;
}
var success = true;
using (key)
@ -117,9 +119,11 @@ namespace SafeExamBrowser.SystemComponents.Registry
public bool TryGetSubKeys(string keyName, out IEnumerable<string> subKeys)
{
subKeys = default;
if (!TryOpenKey(keyName, out var key))
{
return false;
}
var success = true;
using (key)
@ -234,15 +238,12 @@ namespace SafeExamBrowser.SystemComponents.Registry
try
{
if (!TryGetBaseKeyFromKeyName(keyName, out var baseKey, out var subKey))
return false;
key = baseKey.OpenSubKey(subKey);
if (key == null)
logger.Info($"default(RegistryKey) == null: {key == null}");
if (TryGetBaseKeyFromKeyName(keyName, out var baseKey, out var subKey))
{
key = default;
return false;
key = baseKey.OpenSubKey(subKey);
}
}
catch (Exception e)
{
@ -250,7 +251,7 @@ namespace SafeExamBrowser.SystemComponents.Registry
return false;
}
return true;
return key != default;
}
}
}

12
SafeExamBrowser.SystemComponents/VirtualMachineDetector.cs
View file

@ -130,7 +130,9 @@ namespace SafeExamBrowser.SystemComponents
*/
const string hwConfigParentKey = "HKEY_LOCAL_MACHINE\\SYSTEM\\HardwareConfig";
if (!registry.TryGetSubKeys(hwConfigParentKey, out var hardwareConfigSubkeys))
{
return false;
}
foreach (string configId in hardwareConfigSubkeys)
{
@ -143,7 +145,9 @@ namespace SafeExamBrowser.SystemComponents
didReadKeys &= registry.TryRead(hwConfigKey, "SystemManufacturer", out var systemManufacturer);
didReadKeys &= registry.TryRead(hwConfigKey, "SystemProductName", out var systemProductName);
if (!didReadKeys)
{
continue;
}
// reconstruct the systemInfo.biosInfo string
var biosInfo = $"{(string) biosVendor} {(string) biosVersion}";
@ -153,13 +157,17 @@ namespace SafeExamBrowser.SystemComponents
// check even more hardware information
var computerIdsKey = $"{hwConfigKey}\\ComputerIds";
if (!registry.TryGetNames(computerIdsKey, out var computerIdNames))
{
continue;
}
foreach (var computerIdName in computerIdNames)
{
// collect computer hardware summary (e.g. manufacturer&version&sku&...)
if (!registry.TryRead(computerIdsKey, computerIdName, out var computerSummary))
{
continue;
}
isVirtualMachine |= IsVirtualSystemInfo((string) computerSummary, (string) systemManufacturer, (string) systemProductName);
}
@ -192,12 +200,16 @@ namespace SafeExamBrowser.SystemComponents
didReadKeys &= registry.TryRead(cacheIdKey, "DeviceName", out var cacheDeviceName);
if (!didReadKeys || deviceName.ToLower() != ((string) cacheDeviceName).ToLower())
{
continue;
}
didReadKeys &= registry.TryRead(cacheIdKey, "DeviceMake", out var cacheDeviceManufacturer);
didReadKeys &= registry.TryRead(cacheIdKey, "DeviceModel", out var cacheDeviceModel);
if (!didReadKeys)
{
continue;
}
isVirtualMachine |= IsVirtualSystemInfo("", (string) cacheDeviceManufacturer, (string) cacheDeviceModel);
}