private bool ValidateDeleteRequest(CompanyForumApiDeleteRequest req)
{
if (req.LoginToken == null || req.LoginToken.Equals(""))
{
return(false);
}
if (req.AuthToken == null || req.AuthToken.Equals(""))
{
return(false);
}
if (req.ForumPostId <= 0)
{
return(false);
}
if (req.JobEntryId <= 0)
{
return(false);
}
if (req.UserId <= 0)
{
return(false);
}
return(true);
}
/// <summary>
/// DELETE request format located in the Web Api Enumeration v2
/// under the tab Company/Forum, starting row 26
/// </summary>
/// <param name="ctx">HttpListenerContext to respond to</param>
private void HandleDeleteRequest(HttpListenerContext ctx)
{
try
{
#region Input Validation
if (!ctx.Request.HasEntityBody)
{
WriteBodyResponse(ctx, 400, "Bad Request", "No Body");
return;
}
CompanyForumApiDeleteRequest entry = JsonDataObjectUtil <CompanyForumApiDeleteRequest> .ParseObject(ctx);
if (!ValidateDeleteRequest(entry))
{
WriteBodyResponse(ctx, 400, "Bad Request", "Incorrect Format");
return;
}
#endregion
//Otherwise we have a valid entry, validate user
MySqlDataManipulator connection = new MySqlDataManipulator();
using (connection)
{
bool res = connection.Connect(MySqlDataManipulator.GlobalConfiguration.GetConnectionString());
if (!res)
{
WriteBodyResponse(ctx, 500, "Unexpected ServerError", "Connection to database failed");
return;
}
#region User Validation
OverallUser mappedUser = connection.GetUserById(entry.UserId);
if (mappedUser == null)
{
WriteBodyResponse(ctx, 404, "Not Found", "User was not found on the server");
return;
}
if (!UserVerificationUtil.LoginTokenValid(mappedUser, entry.LoginToken))
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Login token was incorrect.");
return;
}
if (!UserVerificationUtil.AuthTokenValid(mappedUser, entry.AuthToken))
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Auth token was expired or incorrect");
return;
}
#endregion
#region Delete Forum
UserToTextEntry forumPost = connection.GetForumPostById(mappedUser.Company, entry.JobEntryId, entry.ForumPostId);
if (forumPost == null)
{
WriteBodylessResponse(ctx, 404, "Not Found");
return;
}
if (forumPost.UserId != entry.UserId)
{
WriteBodyResponse(ctx, 401, "Unauthorized", "Cannot delete the post of a different user");
return;
}
if (!connection.RemoveForumPost(mappedUser.Company, entry.JobEntryId, forumPost))
{
WriteBodyResponse(ctx, 500, "Internal Server Error", "Error occured while removing forum post: " + connection.LastException.Message);
return;
}
WriteBodylessResponse(ctx, 200, "OK");
#endregion
}
}
catch (HttpListenerException)
{
//HttpListeners dispose themselves when an exception occurs, so we can do no more.
}
catch (Exception e)
{
WriteBodyResponse(ctx, 500, "Internal Server Error", e.Message);
}
}
