private bool AskEncryption(FileExtension fileExtension)
{
bool isEncrypted = false;
bool encryptionSupported = false;
bool tryAgain = false;
bool startOver = false;
do
{
tryAgain = false;
isEncrypted = this.AskYesNo("File encrypted?");
if (!isEncrypted)
{
break;
}
else
{
encryptionSupported = FileValidator.CheckEncryptionSupported(fileExtension);
if (encryptionSupported)
{
break;
}
else
{
tryAgain = this.AskErrorTryAgain($"Encryption not supported for files of type {fileExtension}");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(isEncrypted);
}
else
{
this.StopApplication();
}
}
}
}
} while (tryAgain);
return(isEncrypted);
}
private string AskFilePath()
{
bool isExistingFile = false;
bool tryAgain = false;
bool startOver = false;
string filePath = null;
do
{
System.Console.WriteLine("File path: ");
string response = System.Console.ReadLine();
isExistingFile = FileValidator.CheckFileExists(response);
if (isExistingFile)
{
filePath = response;
break;
}
else
{
tryAgain = this.AskErrorTryAgain("File does not exist.");
if (!tryAgain)
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(filePath);
}
else
{
this.StopApplication();
}
}
}
} while (tryAgain);
return(filePath);
}
private bool AskRoleBasedSecurity(FileExtension fileExtension)
{
bool isRoleSecured = false;
bool roleBaseSecuritySupported = false;
bool tryAgain = false;
bool startOver = false;
do
{
tryAgain = false;
isRoleSecured = this.AskYesNo("Use role base security?");
if (isRoleSecured)
{
roleBaseSecuritySupported = FileValidator.CheckRoleBasedSecuritySupported(fileExtension);
if (roleBaseSecuritySupported)
{
break;
}
else
{
tryAgain = this.AskErrorTryAgain($"Role base security not supported for files of type {fileExtension}");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(isRoleSecured);
}
}
}
}
} while (tryAgain);
return(isRoleSecured);
}
private IRole AskRole(IAuthorizer authorizer, File file)
{
bool tryAgain = false;
bool startOver = false;
bool roleHasAccess = false;
bool isValidRole = false;
IRole role = null;
if (!file.IsRoleBaseSecured)
{
return(null);
}
do
{
System.Console.WriteLine("Choose a role:");
int i = 0;
foreach (IRole accessRole in authorizer.AvailableRoles)
{
System.Console.WriteLine($"({i + 1}) {accessRole.RoleName}");
i++;
}
string response = System.Console.ReadLine();
short roleID;
Int16.TryParse(response, out roleID);
roleID -= 1; // index in list container start at 0
isValidRole = FileValidator.IsValidRole(authorizer, roleID);
if (isValidRole)
{
role = authorizer.AvailableRoles[roleID];
roleHasAccess = authorizer.HasReadAccess(file.FileName, role);
if (roleHasAccess)
{
break;
}
else
{
tryAgain = this.AskErrorTryAgain($"{role.RoleName} does not have read access to file {file.FileName}.");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(null);
}
else
{
this.StopApplication();
}
}
}
}
else
{
tryAgain = this.AskErrorTryAgain($"Unknown role chosen.");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(null);
}
else
{
this.StopApplication();
}
}
}
} while (tryAgain);
return(role);
}
private FileExtension AskExtension(string filePath)
{
FileExtension extension;
bool tryAgain = false;
bool startOver = false;
bool isMatchingExtension = false;
bool isValidExtension = false;
do
{
tryAgain = false;
System.Console.WriteLine("Select extension: ");
foreach (FileExtension option in Enum.GetValues(typeof(FileExtension)))
{
System.Console.WriteLine($"({ (int)option }) { option }");
}
string response = System.Console.ReadLine();
Enum.TryParse(response, out extension);
isValidExtension = FileValidator.IsValidFileExtension(extension);
if (!isValidExtension)
{
tryAgain = this.AskErrorTryAgain("Unrecognized file extension.");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(extension);
}
else
{
this.StopApplication();
}
}
}
isMatchingExtension = FileValidator.MatchFileFileExtension(filePath, extension);
if (isMatchingExtension)
{
break;
}
else
{
tryAgain = this.AskErrorTryAgain("File extension does not match file.");
if (tryAgain)
{
continue;
}
else
{
startOver = this.AskStartOver();
if (startOver)
{
this.startOver = true;
return(extension);
}
else
{
this.StopApplication();
}
}
}
} while (tryAgain);
return(extension);
}