// Standard permissions
public bool CheckPermission(User user, string action)
{
switch (action)
{
// Write
case "update":
return user.HasPermission(Role.User);
// Read
case "read":
default:
return user.HasPermission(Role.Test);
}
}
// Standard permissions
public bool CheckPermission(User user, string action)
{
switch (action)
{
// Write
case "add":
case "create":
case "delete":
case "insert":
case "move":
case "remove":
return user.HasPermission(Role.User);
// Read
case "read":
default:
return user.HasPermission(Role.Test);
}
}
// Standard permissions
public bool CheckPermission(User user, string action)
{
switch (action)
{
// Admin
case "create":
case "delete":
case "killSession":
return user.HasPermission(Role.Admin);
// Write
// update - so user can update their own username/password, but not role
case "update":
return user.HasPermission(Role.User);
// Read
case "read":
default:
return user.HasPermission(Role.Test);
}
}
// Only standard user and up may report stats
public bool CheckPermission(User user, string action)
{
return user.HasPermission(Role.User);
}
/// <summary>
/// Process allows the modification of users and their properties
/// </summary>
public void Process(UriWrapper uri, IHttpProcessor processor, User user)
{
// Return list of users to be passed as JSON
IList<User> listOfUsers = new List<User>();
// Parse common parameters
// Username
string username = null;
if (uri.Parameters.ContainsKey("username"))
{
username = uri.Parameters["username"];
}
// Password
string password = null;
if (uri.Parameters.ContainsKey("password"))
{
password = uri.Parameters["password"];
}
// Role
Role role = Role.User;
int roleInt = 0;
if (uri.Parameters.ContainsKey("role") && Int32.TryParse(uri.Parameters["role"], out roleInt))
{
// Validate role
if (Enum.IsDefined(typeof(Role), roleInt))
{
role = (Role)roleInt;
}
}
// See if we need to make a test user
if (uri.Parameters.ContainsKey("testUser") && uri.Parameters["testUser"].IsTrue())
{
bool success = false;
int durationSeconds = 0;
if (uri.Parameters.ContainsKey("durationSeconds"))
{
success = Int32.TryParse(uri.Parameters["durationSeconds"], out durationSeconds);
}
// Create a test user and reply with the account info
User testUser = Injection.Kernel.Get<IUserRepository>().CreateTestUser(success ? (int?)durationSeconds : null);
if (testUser == null)
{
processor.WriteJson(new UsersResponse("Couldn't create user", listOfUsers));
return;
}
listOfUsers.Add(testUser);
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// Check for no action, or read action
if (uri.Action == null || uri.Action == "read")
{
// On valid key, return a specific user, and their attributes
if (uri.Id != null)
{
User oneUser = Injection.Kernel.Get<IUserRepository>().UserForId((int)uri.Id);
listOfUsers.Add(oneUser);
}
else
{
// Else, return all users
listOfUsers = Injection.Kernel.Get<IUserRepository>().AllUsers();
}
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// Perform actions
// killSession - remove a session by rowId
if (uri.Action == "killSession")
{
// Try to pull rowId from parameters for session management
int rowId = 0;
if (!uri.Parameters.ContainsKey("rowId"))
{
processor.WriteJson(new UsersResponse("Missing parameter 'rowId' for action 'killSession'", null));
return;
}
// Try to parse rowId integer
if (!Int32.TryParse(uri.Parameters["rowId"], out rowId))
{
processor.WriteJson(new UsersResponse("Invalid integer for 'rowId' for action 'killSession'", null));
return;
}
// After all checks pass, delete this session, return user associated with it
var session = Injection.Kernel.Get<ISessionRepository>().SessionForRowId(rowId);
if (session != null)
{
session.Delete();
listOfUsers.Add(Injection.Kernel.Get<IUserRepository>().UserForId(Convert.ToInt32(session.UserId)));
}
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// create - create a new user
if (uri.Action == "create")
{
// Check for required username and password parameters
if (username == null || password == null)
{
processor.WriteJson(new UsersResponse("Parameters 'username' and 'password' required for action 'create'", null));
return;
}
// Attempt to create the user
User newUser = Injection.Kernel.Get<IUserRepository>().CreateUser(username, password, role, null);
if (newUser == null)
{
processor.WriteJson(new UsersResponse("Action 'create' failed to create new user", null));
return;
}
// Verify user didn't already exist
if (newUser.UserId == null)
{
processor.WriteJson(new UsersResponse("User '" + username + "' already exists!", null));
return;
}
// Return newly created user
logger.IfInfo(String.Format("Successfully created new user [id: {0}, username: {1}]", newUser.UserId, newUser.UserName));
listOfUsers.Add(newUser);
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// Verify ID present
if (uri.Id == null)
{
processor.WriteJson(new UsersResponse("Missing parameter ID", null));
return;
}
// delete - remove a user
if (uri.Action == "delete")
{
// Attempt to fetch and delete user
User deleteUser = Injection.Kernel.Get<IUserRepository>().UserForId((int)uri.Id);
if (deleteUser.UserName == null || !deleteUser.Delete())
{
processor.WriteJson(new UsersResponse("Action 'delete' failed to delete user", null));
return;
}
// Return deleted user
logger.IfInfo(String.Format("Successfully deleted user [id: {0}, username: {1}]", deleteUser.UserId, deleteUser.UserName));
listOfUsers.Add(deleteUser);
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// update - update a user's username, password, or role
if (uri.Action == "update")
{
// Attempt to get user
User updateUser = Injection.Kernel.Get<IUserRepository>().UserForId((int)uri.Id);
if (updateUser.UserName == null)
{
processor.WriteJson(new UsersResponse("Invalid user ID for action 'update'", null));
return;
}
// If user isn't an admin, verify that they are attempting to update themselves
if (!user.HasPermission(Role.Admin) && user.UserId != updateUser.UserId)
{
processor.WriteJson(new UsersResponse("Permission denied", null));
return;
}
// Change username
if (username != null)
{
if (!updateUser.UpdateUsername(username))
{
processor.WriteJson(new UsersResponse("Action 'update' failed to change username", null));
return;
}
}
// Change password
if (password != null)
{
if (!updateUser.UpdatePassword(password))
{
processor.WriteJson(new UsersResponse("Action 'update' failed to change password", null));
return;
}
}
// If user is admin, a role parameter is set, and the role is not their current one, change role
if (user.HasPermission(Role.Admin) && uri.Parameters.ContainsKey("role") && (role != updateUser.Role))
{
if (!updateUser.UpdateRole(role))
{
processor.WriteJson(new UsersResponse("Action 'update' failed to change role", null));
return;
}
}
// Return updated user
logger.IfInfo(String.Format("Successfully updated user [id: {0}, username: {1}]", updateUser.UserId, updateUser.UserName));
listOfUsers.Add(updateUser);
processor.WriteJson(new UsersResponse(null, listOfUsers));
return;
}
// Invalid action
processor.WriteJson(new UsersResponse("Invalid action specified", null));
return;
}
