/// <summary>
/// 尝试将使用用户名密码登陆系统
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="passWord">密码</param>
/// <param name="userip">用户IP</param>
/// <returns>返回是否成功登陆，若失败则返回出错信息</returns>
public static IMethodResult SignIn(String userName, String passWord, String userip)
{
UserEntity user = null;
String error = TryGetUserByUsernameAndPassword(userName, passWord, out user);
if (!String.IsNullOrEmpty(error))
{
return(MethodResult.FailedAndLog(error));
}
if (AdminManager.InternalCheckPermission(user.Permission, PermissionType.HttpJudge))
{
return(MethodResult.FailedAndLog("You can not login a httpjudge account!"));
}
try
{
Int32 unreadMailCount = UserMailManager.InternalCountUserUnReadMails(user.UserName);
UserBrowserStatus.SetCurrentUserBrowserStatus(user.UserName, user.Permission, unreadMailCount);
UserSubmitStatus.InitLastSubmitTime(user.UserName);
UserCurrentStatus.SetCurrentUserStatus(user);
UpdateLoginInfomation(userName, userip);
}
catch (System.Exception ex)
{
return(MethodResult.Failed(ex.Message));
}
return(MethodResult.SuccessAndLog("User sign in"));
}
/// <summary>
/// 用户登出系统
/// </summary>
public static void SignOut()
{
String userName = UserManager.CurrentUserName;
UserCurrentStatus.RemoveCurrentUserStatus();
UserBrowserStatus.RemoveCurrentUserBrowserStatus();
UserSubmitStatus.RemoveLastSubmitTime(userName);
UserMailCache.RemoveUserUnReadMailCountCache(userName);
}
/// <summary>
/// 用户注销
/// </summary>
/// <returns>操作后的结果</returns>
public ActionResult Logout()
{
String userName = UserManager.CurrentUserName;
UserCurrentStatus.RemoveCurrentUserStatus();
UserBrowserStatus.RemoveCurrentUserBrowserStatus();
UserSubmitStatus.RemoveLastSubmitTime(userName);
UserMailCache.RemoveUserUnReadMailCountCache(userName);
return(RedirectToRefferer());
}
/// <summary>
/// 增加一条提交
/// </summary>
/// <param name="entity">对象实体</param>
/// <param name="userip">用户IP</param>
/// <returns>是否成功增加</returns>
public static Boolean InsertSolution(SolutionEntity entity, String userip)
{
if (!UserManager.IsUserLogined)
{
throw new UserUnLoginException();
}
if (String.IsNullOrEmpty(entity.SourceCode) || entity.SourceCode.Length < SolutionRepository.SOURCECODE_MINLEN)
{
throw new InvalidInputException("Code is too short!");
}
if (entity.SourceCode.Length > SolutionRepository.SOURCECODE_MAXLEN)
{
throw new InvalidInputException("Code is too long!");
}
if (LanguageType.IsNull(entity.LanguageType))
{
throw new InvalidInputException("Language Type is INVALID!");
}
if (!UserSubmitStatus.CheckLastSubmitSolutionTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit code more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
ProblemEntity problem = ProblemManager.InternalGetProblemModel(entity.ProblemID);
if (problem == null)//判断题目是否存在
{
throw new NullResponseException(RequestType.Problem);
}
if (entity.ContestID <= 0 && problem.IsHide && !AdminManager.HasPermission(PermissionType.ProblemManage))//非竞赛下判断是否有权访问题目
{
throw new NoPermissionException("You have no privilege to submit the problem!");
}
entity.UserName = UserManager.CurrentUserName;
entity.SubmitTime = DateTime.Now;
entity.SubmitIP = userip;
Boolean success = SolutionRepository.Instance.InsertEntity(entity) > 0;
if (success)
{
ProblemCache.UpdateProblemCacheSubmitCount(entity.ProblemID, -1);//更新缓存
SolutionCache.RemoveProblemIDListCache(entity.UserName, true);
}
return(success);
}
/// <summary>
/// 尝试发送邮件
/// </summary>
/// <param name="model">邮件实体</param>
/// <param name="error">出错信息</param>
/// <returns>是否发送成功</returns>
public static Boolean TrySendUserMail(UserMailEntity entity, out String error)
{
if (!UserManager.IsUserLogined)
{
error = "Please login first!";
return(false);
}
if (String.IsNullOrEmpty(entity.Title))
{
error = "Title can not be NULL!";
return(false);
}
if (entity.Title.Length > UserMailRepository.TITLE_MAXLEN)
{
error = "Title is too long!";
return(false);
}
if (String.IsNullOrEmpty(entity.Content) || entity.Content.Length < UserMailRepository.CONTENT_MINLEN)
{
error = "Content is too short!";
return(false);
}
if (entity.Content.Length > UserMailRepository.CONTENT_MAXLEN)
{
error = "Content is too long!";
return(false);
}
if (String.IsNullOrEmpty(entity.ToUserName))
{
error = "Username can not be NULL!";
return(false);
}
if (!RegexVerify.IsUserName(entity.ToUserName))
{
error = "Username is INVALID!";
return(false);
}
if (String.Equals(ConfigurationManager.SystemAccount, entity.ToUserName, StringComparison.OrdinalIgnoreCase))
{
error = "You can not send mail to system account!";
return(false);
}
if (String.Equals(UserManager.CurrentUserName, entity.ToUserName, StringComparison.OrdinalIgnoreCase))
{
error = "You can not send mail to yourself!";
return(false);
}
if (!UserSubmitStatus.CheckLastSubmitUserMailTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit user mail more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
if (!UserManager.InternalExistsUser(entity.ToUserName))
{
error = String.Format("The username \"{0}\" doesn't exist!", entity.ToUserName);
return(false);
}
entity.Title = HtmlEncoder.HtmlEncode(entity.Title);
entity.Content = HtmlEncoder.HtmlEncode(entity.Content);
entity.FromUserName = UserManager.CurrentUserName;
if (!UserMailManager.InternalSendUserMail(entity))
{
error = "Failed to send your mail";
return(false);
}
error = String.Empty;
return(true);
}
/// <summary>
/// 增加一条回帖
/// </summary>
/// <param name="post">帖子实体</param>
/// <param name="topic">主题实体</param>
/// <param name="parentPost">回复的帖子实体</param>
/// <param name="postip">发布者IP</param>
/// <param name="link">当前页面地址</param>
/// <returns>是否成功增加</returns>
public static Boolean InsertForumPost(ForumPostEntity post, ForumTopicEntity topic, ForumPostEntity parentPost, String postip, String link)
{
if (!UserManager.IsUserLogined)
{
throw new UserUnLoginException();
}
if (String.IsNullOrEmpty(post.Title))
{
throw new InvalidInputException("Reply title can not be NULL!");
}
if (post.Title.Length > ForumPostRepository.TITLE_MAXLEN)
{
throw new InvalidInputException("Reply title is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(post.Title))
{
throw new InvalidInputException("Reply title can not contain illegal keywords!");
}
if (String.IsNullOrEmpty(post.Content) || post.Content.Length < ForumPostRepository.POST_MINLEN)
{
throw new InvalidInputException("Reply content is too short!");
}
if (post.Content.Length > ForumPostRepository.POST_MAXLEN)
{
throw new InvalidInputException("Reply content is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(post.Content))
{
throw new InvalidInputException("Reply content can not contain illegal keywords!");
}
if (parentPost.Deepth + 1 < ForumPostRepository.DEEPTH_MIN)
{
throw new InvalidInputException("Reply deepth is INVALID!");
}
if (parentPost.Deepth + 1 > ForumPostRepository.DEEPTH_MAX)
{
throw new InvalidInputException("Reply deepth is too deep!");
}
if (topic.IsLocked)
{
throw new NoPermissionException("You have no privilege to reply the post!");
}
if (!UserSubmitStatus.CheckLastSubmitForumPostTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit post more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
post.TopicID = parentPost.TopicID;
post.Title = HtmlEncoder.HtmlEncode(post.Title);
post.Content = HtmlEncoder.HtmlEncode(post.Content);
post.UserName = UserManager.CurrentUserName;
post.Deepth = parentPost.Deepth + 1;
post.ParentPostID = parentPost.PostID;
post.PostDate = DateTime.Now;
post.PostIP = postip;
Boolean success = ForumPostRepository.Instance.InsertEntity(post) > 0;
if (success && !String.Equals(parentPost.UserName, post.UserName))
{
if (ConfigurationManager.ReplyPostMailNotification)
{
try
{
UserMailEntity mail = new UserMailEntity();
String url = ConfigurationManager.DomainUrl + ((link[0] == '/') ? link.Substring(1) : link);
mail.FromUserName = ConfigurationManager.SystemAccount;
mail.ToUserName = parentPost.UserName;
mail.Title = "Your post has new reply!";
mail.Content =
String.Format("Your post \"{0}\" has new reply, <br/>", parentPost.Title) +
String.Format("Please visit <a href=\"{0}\" target=\"_blank\">{0}</a>", url);
UserMailManager.InternalSendUserMail(mail);
}
catch { }
}
}
return(success);
}
/// <summary>
/// 发布新主题
/// </summary>
/// <param name="topic">主题实体</param>
/// <param name="cid">竞赛ID</param>
/// <param name="pid">题目ID</param>
/// <param name="content">主题帖内容</param>
/// <param name="postip">发布者IP</param>
/// <returns>是否成功发布</returns>
public static Boolean InsertForumTopic(ForumTopicEntity topic, String cid, String pid, String content, String postip)
{
if (!UserManager.IsUserLogined)
{
throw new UserUnLoginException();
}
if (String.IsNullOrEmpty(topic.Title))
{
throw new InvalidInputException("Topic title can not be NULL!");
}
if (topic.Title.Length > ForumPostRepository.TITLE_MAXLEN)
{
throw new InvalidInputException("Topic title is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(topic.Title))
{
throw new InvalidInputException("Topic title can not contain illegal keywords!");
}
if (String.IsNullOrEmpty(content) || content.Length < ForumPostRepository.POST_MINLEN)
{
throw new InvalidInputException("Topic content is too short!");
}
if (content.Length > ForumPostRepository.POST_MAXLEN)
{
throw new InvalidInputException("Topic content is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(content))
{
throw new InvalidInputException("Topic content can not contain illegal keywords!");
}
if (!UserSubmitStatus.CheckLastSubmitForumPostTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit post more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
topic.Type = ForumTopicManager.GetForumTopicType(cid, pid);
topic.RelativeID = (topic.Type == ForumTopicType.Default ? 0 : ForumTopicManager.GetRelativeID(cid, pid));
if (topic.Type == ForumTopicType.Problem && !ProblemManager.InternalExistsProblem(topic.RelativeID))
{
throw new InvalidRequstException(RequestType.Problem);
}
else if (topic.Type == ForumTopicType.Contest && !ContestManager.InternalExistsContest(topic.RelativeID))
{
throw new InvalidRequstException(RequestType.Contest);
}
topic.UserName = UserManager.CurrentUserName;
topic.LastDate = DateTime.Now;
topic.Title = HtmlEncoder.HtmlEncode(topic.Title);
content = HtmlEncoder.HtmlEncode(content);
Boolean success = ForumTopicRepository.Instance.InsertEntity(topic, content, postip) > 0;
if (success)
{
ForumTopicCache.IncreaseForumTopicCountCache(topic.Type, topic.RelativeID);//更新缓存
if (topic.Type == ForumTopicType.Problem)
{
ForumTopicCache.IncreaseForumTopicCountCache(ForumTopicType.Default, 0);//更新缓存
}
}
return(success);
}
