public BanUserFromSubResponse Handle(BanUserFromSub command)
{
var response = new BanUserFromSubResponse();
try
{
var user = command.UserId.HasValue ? _membershipService.GetUserById(command.UserId.Value) : _membershipService.GetUserByUserName(command.UserName);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var bannedBy = _membershipService.GetUserById(command.BannedBy);
if (bannedBy == null)
{
response.Error = "Invalid user.";
return(response);
}
var sub = command.SubId.HasValue
? _subService.GetSubById(command.SubId.Value)
: _subService.GetSubByName(command.SubName);
if (sub == null)
{
response.Error = "Invalid sub.";
return(response);
}
if (!_permissionDao.CanUserManageSubAccess(bannedBy, sub.Id))
{
response.Error = "You are not authorized to ban.";
return(response);
}
_subUserBanService.BanUserFromSub(sub.Id, user.Id, user.UserName, command.DateBanned, command.BannedBy, command.ReasonPrivate, command.ReasonPublic);
return(response);
}
catch (Exception ex)
{
// TODO: log error
response.Error = "An unknown error occured.";
return(response);
}
}
public BanUserFromSubResponse Handle(BanUserFromSub command)
{
var response = new BanUserFromSubResponse();
try
{
var user = command.UserId.HasValue ? _membershipService.GetUserById(command.UserId.Value) : _membershipService.GetUserByUserName(command.Username);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var bannedBy = _membershipService.GetUserById(command.BannedBy);
if (bannedBy == null)
{
response.Error = "Invalid user.";
return(response);
}
var sub = command.SubId.HasValue
? _subService.GetSubById(command.SubId.Value)
: _subService.GetSubByName(command.SubName);
if (sub == null)
{
response.Error = "Invalid sub.";
return(response);
}
if (!_permissionService.CanUserManageSubAccess(bannedBy, sub.Id))
{
response.Error = "You are not authorized to ban.";
return(response);
}
_subUserBanService.BanUserFromSub(sub.Id, user.Id, command.DateBanned, command.BannedBy, command.Reason, command.Expires);
}
catch (Exception ex)
{
// todo: log
response.Error = ex.Message;
}
return(response);
}
public EditSubResponse Handle(EditSub command)
{
var response = new EditSubResponse();
try
{
var sub = _subService.GetSubByName(command.Name);
if (sub == null)
{
response.Error = "No sub found with the given name.";
return(response);
}
var user = _membershipService.GetUserById(command.EditedByUserId);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
if (!_subService.CanUserEditSub(user.UserName, sub.Name))
{
response.Error = "You are not allowed to modify this sub.";
return(response);
}
if (string.IsNullOrEmpty(command.Description))
{
response.Error = "Please describe your sub.";
return(response);
}
sub.Description = command.Description;
sub.SidebarText = command.SidebarText;
_subService.UpdateSub(sub);
}
catch (Exception ex)
{
// todo: log
response.Error = ex.Message;
}
return(response);
}
public EditSubStylesCommandResponse Handle(EditSubStylesCommand command)
{
var response = new EditSubStylesCommandResponse();
try
{
var user = _membershipService.GetUserById(command.EditedByUserId);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var sub = command.SubId.HasValue
? _subService.GetSubById(command.SubId.Value)
: _subService.GetSubByName(command.SubName);
if (sub == null)
{
response.Error = "Invalid sub.";
return(response);
}
if (!_permissionService.CanUserManageSubStyles(user, sub.Id))
{
response.Error = "You are not authorized to manage styles for this sub.";
return(response);
}
var styles = _subStylesService.GetStylesForSub(sub.Id);
if (styles == null)
{
styles = new SubCss();
}
styles.SubId = sub.Id;
styles.CssType = command.CssType;
styles.Embedded = command.Embedded;
styles.ExternalCss = command.ExternalCss;
styles.GitHubCssProjectName = command.GitHubCssProjectName;
styles.GitHubCssProjectTag = command.GitHubCssProjectTag;
styles.GitHubLessProjectName = command.GitHubLessProjectName;
styles.GitHubLessProjectTag = command.GitHubLessProjectTag;
_subStylesService.UpdateStylesForSub(styles);
}
catch (Exception ex)
{
_logger.Error("Error trying to edit a sub's styles.", ex);
response.Error = "An unknown error occured.";
}
return(response);
}
public RemoveModFromSubResponse Handle(RemoveModFromSub command)
{
var response = new RemoveModFromSubResponse();
try
{
var requestingUser = _membershipService.GetUserById(command.RequestingUser);
if (requestingUser == null)
{
response.Error = "Invalid user.";
return(response);
}
var userToRemove = command.UserIdToRemove.HasValue
? _membershipService.GetUserById(command.UserIdToRemove.Value)
: _membershipService.GetUserByUserName(command.UserNameToRemove);
if (userToRemove == null)
{
response.Error = "Invalid user.";
return(response);
}
Sub sub = null;
if (command.SubId.HasValue)
{
sub = _subService.GetSubById(command.SubId.Value);
}
else if (!string.IsNullOrEmpty(command.SubName))
{
sub = _subService.GetSubByName(command.SubName);
}
if (sub == null)
{
response.Error = "Invalid sub.";
return(response);
}
var userToRemoveModInfo = _moderationService.GetModeratorInfoForUserInSub(userToRemove.Id, sub.Id);
if (userToRemoveModInfo == null)
{
response.Error = "The user is not a mod of this sub.";
return(response);
}
if (requestingUser.IsAdmin)
{
_moderationService.RemoveModFromSub(userToRemove.Id, sub.Id);
}
else
{
var requestingUserModInfo = _moderationService.GetModeratorInfoForUserInSub(requestingUser.Id, sub.Id);
if (requestingUserModInfo == null)
{
response.Error = "You are not a mod of this sub.";
return(response);
}
if (
// if the user is removing himself (doable)
requestingUser.Id == userToRemove.Id ||
// or the requesting user is an admin
requestingUser.IsAdmin ||
// or the user has has "full" access and the user we are changing has is a newby.
(requestingUserModInfo.AddedOn <=
userToRemoveModInfo.AddedOn &&
requestingUserModInfo.Permissions.HasFlag(
ModeratorPermissions.All))
)
{
_moderationService.RemoveModFromSub(userToRemove.Id, sub.Id);
}
else
{
response.Error = "You are not permitted to remove the mod from this sub.";
return(response);
}
}
}
catch (Exception ex)
{
response.Error = "An unknown error occured.";
_logger.Error("An error occured removing a user from sub.", ex);
}
return(response);
}
public CreateSubResponse Handle(CreateSub command)
{
var response = new CreateSubResponse();
try
{
if (string.IsNullOrEmpty(command.Name))
{
response.Error = "Sub name is required.";
return(response);
}
if (!Regex.IsMatch(command.Name, "^[a-zA-Z0-9]*$"))
{
response.Error = "No spaces or special characters.";
return(response);
}
if (command.Name.Length > 20)
{
response.Error = "The name length is limited to 20 characters.";
return(response);
}
if (string.IsNullOrEmpty(command.Description))
{
response.Error = "Please describe your sub.";
return(response);
}
if (!string.IsNullOrEmpty(command.SubmissionText) && command.SubmissionText.Length > 1000)
{
response.Error = "The sidebar text cannot be greater than 1000 characters";
return(response);
}
if (!string.IsNullOrEmpty(command.SidebarText) && command.SidebarText.Length > 3000)
{
response.Error = "The submission text cannot be greater than 1000 characters";
return(response);
}
var user = _membershipService.GetUserById(command.CreatedByUserId);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var userAccountAge = Common.CurrentTime() - user.CreatedDate;
if (!user.IsAdmin && userAccountAge.TotalDays < _subSettings.Settings.MinUserAgeCreateSub)
{
response.Error = "Your account is too new to create a sub.";
return(response);
}
if (_subService.GetSubByName(command.Name) != null)
{
response.Error = "The sub already exist.";
return(response);
}
if (command.Name.Equals("random", StringComparison.InvariantCultureIgnoreCase) ||
command.Name.Equals("all", StringComparison.InvariantCultureIgnoreCase) ||
Common.IsReservedKeyword(command.Name))
{
response.Error = "The name is invalid.";
return(response);
}
// let's make sure the user creating this sub doesn't already have the maximum number of subs they are modding.
var moddedSubsForUser = _moderationService.GetSubsModeratoredByUser(user.Id);
if (moddedSubsForUser.Count >= _subSettings.Settings.MaximumNumberOfModdedSubs)
{
response.Error = "You can only moderate a maximum of " + _subSettings.Settings.MaximumNumberOfModdedSubs + " subs.";
return(response);
}
var sub = new Sub
{
Id = GuidUtil.NewSequentialId(),
CreatedDate = Common.CurrentTime(),
Name = command.Name,
Description = command.Description,
SidebarText = command.SidebarText,
SidebarTextFormatted = _markdownCompiler.Compile(command.SidebarText),
SubmissionText = command.SubmissionText,
SubmissionTextFormatted = _markdownCompiler.Compile(command.SubmissionText),
SubType = command.Type,
CreatedBy = user.Id,
InAll = command.InAll,
Nsfw = command.Nsfw
};
// only admins can configure default subs
if (user.IsAdmin && command.IsDefault.HasValue)
{
sub.IsDefault = command.IsDefault.Value;
}
_subService.InsertSub(sub);
response.SubId = sub.Id;
response.SubName = sub.Name;
_subService.SubscribeToSub(user.Id, sub.Id);
_moderationService.AddModToSub(user.Id, sub.Id, ModeratorPermissions.All);
}
catch (Exception ex)
{
// todo: log
response.Error = ex.Message;
}
return(response);
}
static void Main(string[] args)
{
try
{
SkimurContext.Initialize(
new Program(),
new Skimur.App.Registrar());
_mirrorSettings = SkimurContext.ServiceProvider.GetRequiredService <ISettingsProvider <MirrorSettings> >().Settings;
_subService = SkimurContext.ServiceProvider.GetRequiredService <ISubService>();
_postService = SkimurContext.ServiceProvider.GetRequiredService <IPostService>();
_membershipService = SkimurContext.ServiceProvider.GetRequiredService <IMembershipService>();
_commandBus = SkimurContext.ServiceProvider.GetRequiredService <ICommandBus>();
if (_mirrorSettings.SubsToMirror == null || _mirrorSettings.SubsToMirror.Count == 0)
{
return;
}
var botUser = _membershipService.GetUserByUserName(_mirrorSettings.BotName);
if (botUser == null)
{
return;
}
var reddit = new Reddit();
foreach (var subToMirror in _mirrorSettings.SubsToMirror)
{
Console.WriteLine("Attempting to mirror " + subToMirror + ".");
var sub = _subService.GetSubByName(subToMirror);
if (sub == null)
{
Console.WriteLine("Sub doesn't exist.");
continue;
}
var redditSub = reddit.GetSubreddit("/r/" + subToMirror);
if (redditSub == null)
{
Console.WriteLine("Couldn't find reddit sub.");
continue;
}
foreach (var redditPost in redditSub.GetTop(_mirrorSettings.FromTime).Take(_mirrorSettings.PostsPerSub))
{
Console.WriteLine("Syncing " + redditPost.Title);
var existing = _postService.QueryPosts(redditPost.Title, sub.Id).Select(x => _postService.GetPostById(x)).ToList();
var exists = false;
if (existing.Count > 0)
{
foreach (var item in existing)
{
if (item.Title == redditPost.Title && item.Mirrored == "reddit")
{
exists = true;
}
}
}
if (exists)
{
Console.WriteLine("Already exists.");
continue;
}
var createPostResponse = _commandBus.Send <CreatePost, CreatePostResponse>(
new CreatePost
{
CreatedByUserId = botUser.Id,
Title = redditPost.Title,
Url = redditPost.Url.ToString(),
Content = redditPost.SelfText,
PostType = redditPost.IsSelfPost ? PostType.Text : PostType.Link,
SubName = subToMirror,
NotifyReplies = false,
Mirror = "reddit",
OverrideDateCreated = redditPost.CreatedUTC
});
if (!string.IsNullOrEmpty(createPostResponse.Error))
{
Console.WriteLine("Couldn't create post. " + createPostResponse.Error);
continue;
}
if (!createPostResponse.PostId.HasValue)
{
Console.WriteLine("No post id");
continue;
}
var createCommentResponse = _commandBus.Send <CreateComment, CreateCommentResponse>(
new CreateComment
{
PostId = createPostResponse.PostId.Value,
DateCreated = Common.CurrentTime(),
AuthorUserName = botUser.UserName,
Body = string.Format("Mirrored from [here]({0}).", redditPost.Shortlink),
SendReplies = false
});
if (!string.IsNullOrEmpty(createCommentResponse.Error))
{
Console.WriteLine("Couldn't create comment. " + createCommentResponse.Error);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public CreatePostResponse Handle(CreatePost command)
{
var response = new CreatePostResponse();
try
{
var user = _membershipService.GetUserById(command.CreatedByUserId);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
if (string.IsNullOrEmpty(command.SubName))
{
response.Error = "The sub name is required.";
return(response);
}
var sub = _subService.GetSubByName(command.SubName);
if (sub == null)
{
response.Error = "That sub doesn't exist.";
return(response);
}
if (!user.IsAdmin)
{
// make sure the user isn't banned from this sub
if (_subUserBanService.IsUserBannedFromSub(sub.Id, user.Id))
{
response.Error = "You are currently banned from this sub.";
return(response);
}
}
// TODO: does user look like spam?
// todo: make sure the post type is allowed
if (string.IsNullOrEmpty(command.Title))
{
response.Error = "The title is required.";
return(response);
}
// remove extrenous white space, and trim whitespace from the edges
command.Title = Regex.Replace(command.Title, @"\s+", " ").Trim();
if (command.Title.Length > 300)
{
response.Error = "The title is too long.";
return(response);
}
string domain = null;
if (command.PostType == PostType.Link)
{
if (string.IsNullOrEmpty(command.Url))
{
response.Error = "You must provide a url.";
return(response);
}
// check https://github.com/skimur/skimur/issues/83
command.Url = command.Url.RemoveBOM();
// todo: improve url validation
string scheme;
string formattedUrl;
if (!UrlParser.TryParseUrl(command.Url, out formattedUrl, out domain, out scheme))
{
response.Error = "The url appears to be invalid.";
return(response);
}
command.Url = formattedUrl;
switch (scheme)
{
case "http":
case "https":
break;
default:
response.Error = "The scheme is invalid for the url.";
return(response);
}
// todo: make sure the domain isn't banned
// todo: make sure the url wasn't already submitted
}
else if (command.PostType == PostType.Text)
{
if (!user.IsAdmin)
{
if (!string.IsNullOrEmpty(command.Content) && command.Content.Length > 40000)
{
response.Error = "The post content is too long (maximum 40000 characters).";
return(response);
}
}
}
else
{
throw new Exception("unknown post type " + command.PostType);
}
bool isNsfw;
if (sub.Nsfw)
{
// NSFW by default
isNsfw = true;
}
else
{
// Let's see if the user marked this as NSFW.
isNsfw = Common.IsNsfw(command.Title);
}
var post = new Post
{
Id = GuidUtil.NewSequentialId(),
DateCreated = command.OverrideDateCreated.HasValue ? command.OverrideDateCreated.Value : Common.CurrentTime(),
LastEditDate = null,
SubId = sub.Id,
UserId = user.Id,
UserIp = command.IpAddress,
PostType = command.PostType,
Title = command.Title,
SendReplies = command.NotifyReplies,
Mirrored = command.Mirror,
Nsfw = isNsfw,
InAll = sub.InAll
};
List <string> mentions = null;
if (post.PostType == PostType.Link)
{
post.Url = command.Url;
post.Domain = domain;
}
else
{
post.Content = command.Content;
post.ContentFormatted = _markdownCompiler.Compile(post.Content, out mentions);
}
_postService.InsertPost(post);
_commandBus.Send(new CastVoteForPost {
DateCasted = post.DateCreated, IpAddress = command.IpAddress, PostId = post.Id, UserId = user.Id, VoteType = VoteType.Up
});
if (mentions != null && mentions.Count > 0)
{
_eventBus.Publish(new UsersMentioned {
PostId = post.Id, Users = mentions
});
}
_commandBus.Send(new GenerateThumbnailForPost {
PostId = post.Id
});
if (_embeddedProvider.IsEnabled)
{
_commandBus.Send(new GenerateEmbeddedMediaObject {
PostId = post.Id
});
}
response.Title = command.Title;
response.PostId = post.Id;
}
catch (Exception ex)
{
// todo: log
response.Error = ex.Message;
}
return(response);
}
static void Main(string[] args)
{
try
{
SkimurContext.Initialize(
new Program(),
new Skimur.App.Registrar());
_mirrorSettings = SkimurContext.ServiceProvider.GetRequiredService<ISettingsProvider<MirrorSettings>>().Settings;
_subService = SkimurContext.ServiceProvider.GetRequiredService<ISubService>();
_postService = SkimurContext.ServiceProvider.GetRequiredService<IPostService>();
_membershipService = SkimurContext.ServiceProvider.GetRequiredService<IMembershipService>();
_commandBus = SkimurContext.ServiceProvider.GetRequiredService<ICommandBus>();
if (_mirrorSettings.SubsToMirror == null || _mirrorSettings.SubsToMirror.Count == 0)
return;
var botUser = _membershipService.GetUserByUserName(_mirrorSettings.BotName);
if (botUser == null) return;
var reddit = new Reddit();
foreach (var subToMirror in _mirrorSettings.SubsToMirror)
{
Console.WriteLine("Attempting to mirror " + subToMirror + ".");
var sub = _subService.GetSubByName(subToMirror);
if (sub == null)
{
Console.WriteLine("Sub doesn't exist.");
continue;
}
var redditSub = reddit.GetSubreddit("/r/" + subToMirror);
if (redditSub == null)
{
Console.WriteLine("Couldn't find reddit sub.");
continue;
}
foreach (var redditPost in redditSub.GetTop(_mirrorSettings.FromTime).Take(_mirrorSettings.PostsPerSub))
{
Console.WriteLine("Syncing " + redditPost.Title);
var existing = _postService.QueryPosts(redditPost.Title, sub.Id).Select(x => _postService.GetPostById(x)).ToList();
var exists = false;
if (existing.Count > 0)
{
foreach (var item in existing)
{
if (item.Title == redditPost.Title && item.Mirrored == "reddit")
exists = true;
}
}
if (exists)
{
Console.WriteLine("Already exists.");
continue;
}
var createPostResponse = _commandBus.Send<CreatePost, CreatePostResponse>(
new CreatePost
{
CreatedByUserId = botUser.Id,
Title = redditPost.Title,
Url = redditPost.Url.ToString(),
Content = redditPost.SelfText,
PostType = redditPost.IsSelfPost ? PostType.Text : PostType.Link,
SubName = subToMirror,
NotifyReplies = false,
Mirror = "reddit",
OverrideDateCreated = redditPost.CreatedUTC
});
if (!string.IsNullOrEmpty(createPostResponse.Error))
{
Console.WriteLine("Couldn't create post. " + createPostResponse.Error);
continue;
}
if (!createPostResponse.PostId.HasValue)
{
Console.WriteLine("No post id");
continue;
}
var createCommentResponse = _commandBus.Send<CreateComment, CreateCommentResponse>(
new CreateComment
{
PostId = createPostResponse.PostId.Value,
DateCreated = Common.CurrentTime(),
AuthorUserName = botUser.UserName,
Body = string.Format("Mirrored from [here]({0}).", redditPost.Shortlink),
SendReplies = false
});
if (!string.IsNullOrEmpty(createCommentResponse.Error))
{
Console.WriteLine("Couldn't create comment. " + createCommentResponse.Error);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public SendMessageResponse Handle(SendMessage command)
{
var response = new SendMessageResponse();
try
{
var author = _membershipService.GetUserById(command.Author);
if (author == null)
{
response.Error = "No author provided.";
return(response);
}
Sub sendAsSub = null;
Sub sendingToSub = null;
User sendingToUser = null;
if (command.SendAsSub.HasValue)
{
var sub = _subService.GetSubById(command.SendAsSub.Value);
if (sub == null)
{
response.Error = "Invalid sub to send as.";
return(response);
}
// the user is trying to send this message as a sub moderator.
// let's make sure that this user has this permission for the sub.
if (!_permissionService.CanUserManageSubMail(author, command.SendAsSub.Value))
{
response.Error = "You are not authorized to send a message as a sub moderator.";
return(response);
}
sendAsSub = sub;
}
if (string.IsNullOrEmpty(command.To) && !command.ToUserId.HasValue)
{
response.Error = "You must provide a user/sub to send the message to.";
return(response);
}
if (command.ToUserId.HasValue && !string.IsNullOrEmpty(command.To))
{
throw new Exception("A message with a userid and to was provided. Pick one.");
}
if (command.ToUserId.HasValue)
{
sendingToUser = _membershipService.GetUserById(command.ToUserId.Value);
if (sendingToUser == null)
{
response.Error = "No user found to send message to.";
return(response);
}
}
else
{
if (command.To.StartsWith("/u/", StringComparison.InvariantCultureIgnoreCase))
{
var userName = command.To.Substring(3);
sendingToUser = _membershipService.GetUserByUserName(userName);
if (sendingToUser == null)
{
response.Error = string.Format("No user found with the name {0}.", userName);
return(response);
}
}
else if (command.To.StartsWith("/s/", StringComparison.InvariantCultureIgnoreCase))
{
var subName = command.To.Substring(3);
sendingToSub = _subService.GetSubByName(subName);
if (sendingToSub == null)
{
response.Error = string.Format("No sub found with the name {0}.", subName);
return(response);
}
}
else
{
// maybe they are trying to send a message to a user
sendingToUser = _membershipService.GetUserByUserName(command.To);
if (sendingToUser == null)
{
response.Error = string.Format("No user found with the name {0}.", command.To);
return(response);
}
}
}
// let's make sure the message type is correct
switch (command.Type)
{
case MessageType.Private:
if (command.CommentId.HasValue)
{
throw new Exception("A privat message was sent with a reference to a comment id. How?");
}
break;
case MessageType.CommentReply:
if (!command.CommentId.HasValue)
{
throw new Exception("The message type was a comment reply, but no comment id was given.");
}
break;
case MessageType.PostReply:
if (!command.CommentId.HasValue)
{
throw new Exception("The message type was a post reply, but no comment id was given.");
}
break;
case MessageType.Mention:
// ensure either 1 comment is given, or 1 post is given
if (!command.CommentId.HasValue && !command.PostId.HasValue)
{
throw new Exception("The message type was a mention, but neither a comment or a post was given.");
}
if (command.PostId.HasValue && command.CommentId.HasValue)
{
throw new Exception("The message type was a mention, but both a comment and post were given. Pick one.");
}
break;
default:
throw new Exception("Unknown message type");
}
var message = new Message
{
Id = GuidUtil.NewSequentialId(),
DateCreated = Common.CurrentTime(),
MessageType = command.Type,
ParentId = null,
FirstMessage = null,
AuthorId = author.Id,
AuthorIp = command.AuthorIp,
IsNew = true,
ToUser = sendingToUser != null ? sendingToUser.Id : (Guid?)null,
ToSub = sendingToSub != null ? sendingToSub.Id : (Guid?)null,
FromSub = sendAsSub != null ? sendAsSub.Id : (Guid?)null,
Subject = command.Subject,
Body = command.Body,
BodyFormatted = _markdownCompiler.Compile(command.Body),
CommentId = command.CommentId,
PostId = command.PostId
};
_messageService.InsertMessage(message);
response.MessageId = message.Id;
}
catch (Exception ex)
{
_logger.Error("Error sending a message.", ex);
response.Error = "An unknown error occured.";
}
return(response);
}
