public void CanSetContents()
{
FileSystem fs = new FileSystem();
Assert.IsNotNull(fs);
EditableFile f = fs.createFile("test.txt");
Assert.AreEqual(f.getContents(), "");
f.setContents("hello world");
Assert.AreEqual(f.getContents(), "hello world");
}
public void CanNonadminUsersModifyRightPermissions()
{
FileSystem fs = new FileSystem();
EditableFile fi = fs.createFile("hello.txt");
fs.setPermissions(fi, 000);
// Make a nonadmin user
fs.addUser("meow", "pass", SECURITY_LEVEL.NONADMIN);
Assert.AreEqual(2, fs.allUsers.Count);
fs.changeUser("meow", "pass");
// Can't read
Assert.Throws(typeof(InvalidUserException), delegate {
fi.getContents();
});
// Can't write
Assert.Throws(typeof(InvalidUserException), delegate {
fi.setContents("hello world!");
});
// Can't set root permissions
Assert.Throws(typeof(InvalidUserException), delegate {
fs.setPermissions(fi, 700);
});
// Can't set admin permissions
Assert.Throws(typeof(InvalidUserException), delegate {
fs.setPermissions(fi, 070);
});
// Can set nonadmin permissions
fs.setPermissions(fi, 007);
fi.setContents("meowmeow");
Assert.AreEqual("meowmeow", fi.getContents());
}
public void CanRootUsersModifyRightPermissions()
{
FileSystem fs = new FileSystem();
// We are root user, so we can change all permissions.
// Try making something we can't read or write to.
EditableFile fi = fs.createFile("hello.txt");
fs.setPermissions(fi, 000);
Assert.AreEqual(000, fi.getPermissions());
// Can't read
Assert.Throws(typeof(InvalidUserException), delegate {
fi.getContents();
});
// Can't write
Assert.Throws(typeof(InvalidUserException), delegate {
fi.setContents("hello world!");
});
// Can set any permissions
fs.setPermissions(fi, 700);
Assert.AreEqual(700, fi.getPermissions());
fs.setPermissions(fi, 770);
Assert.AreEqual(770, fi.getPermissions());
fs.setPermissions(fi, 777);
Assert.AreEqual(777, fi.getPermissions());
fs.setPermissions(fi, 700);
Assert.AreEqual(700, fi.getPermissions());
// Can read + write now
Assert.AreEqual("", fi.getContents());
fi.setContents("hello!");
Assert.AreEqual("hello!", fi.getContents());
}
public override string execute(params string[] args)
{
NetworkNode node = GameManager.currentHost;
if (!(node is IFileSystem))
{
throw new ExecutionException("The current node does not support a file system.");
}
FileSystem currentFileSystem = (node as IFileSystem).fileSystem;
string currentPath = GameManager.currentPath;
string filename = args [1];
File newFile = currentFileSystem.getFile(currentPath + "/" + filename);
if (newFile == null)
{
throw new ExecutionException("File \"" + filename + "\" does not exist.");
}
if (newFile is Directory)
{
throw new ExecutionException("Can't cat file: is directory.");
}
if (!(newFile is EditableFile))
{
throw new ExecutionException("Can't cat file: contents are unreadable.");
}
EditableFile newFileE = newFile as EditableFile;
try {
return("Contents of file \"" + newFileE.getFullName() + "\":\n" + newFileE.getContents());
} catch (InvalidUserException iue) {
throw new ExecutionException(iue.Message);
}
}
