// add new submission
public static async Task <string> AddNewSubmission(Message submissionModel, Subverse targetSubverse, string userName)
{
using (var db = new voatEntities())
{
// LINK TYPE SUBMISSION
if (submissionModel.Type == 2)
{
// strip unicode if title contains unicode
if (ContainsUnicode(submissionModel.Linkdescription))
{
submissionModel.Linkdescription = StripUnicode(submissionModel.Linkdescription);
}
// reject if title is whitespace or < than 5 characters
if (submissionModel.Linkdescription.Length < 5 || String.IsNullOrWhiteSpace(submissionModel.Linkdescription))
{
return("The title may not be less than 5 characters.");
}
// make sure the input URI is valid
if (!UrlUtility.IsUriValid(submissionModel.MessageContent))
{
// ABORT
return("The URI you are trying to submit is invalid.");
}
// check if target subvere allows submissions from globally banned hostnames
if (!targetSubverse.exclude_sitewide_bans)
{
// check if hostname is banned before accepting submission
var domain = UrlUtility.GetDomainFromUri(submissionModel.MessageContent);
if (BanningUtility.IsHostnameBanned(domain))
{
// ABORT
return("The hostname you are trying to submit is banned.");
}
}
// check if user has reached daily crossposting quota
if (UserHelper.DailyCrossPostingQuotaUsed(userName, submissionModel.MessageContent))
{
// ABORT
return("You have reached your daily crossposting quota for this URL.");
}
// check if target subverse has thumbnails setting enabled before generating a thumbnail
if (targetSubverse.enable_thumbnails)
{
// try to generate and assign a thumbnail to submission model
submissionModel.Thumbnail = await ThumbGenerator.ThumbnailFromSubmissionModel(submissionModel);
}
// flag the submission as anonymized if it was submitted to a subverse with active anonymized_mode
if (targetSubverse.anonymized_mode)
{
submissionModel.Anonymized = true;
}
else
{
submissionModel.Name = userName;
}
// accept submission and save it to the database
submissionModel.Subverse = targetSubverse.name;
submissionModel.Likes = 1;
db.Messages.Add(submissionModel);
await db.SaveChangesAsync();
}
else
// MESSAGE TYPE SUBMISSION
{
// strip unicode if submission contains unicode
if (ContainsUnicode(submissionModel.Title))
{
submissionModel.Title = StripUnicode(submissionModel.Title);
}
// reject if title is whitespace or less than 5 characters
if (submissionModel.Title.Length < 5 || String.IsNullOrWhiteSpace(submissionModel.Title))
{
return("Sorry, submission title may not be less than 5 characters.");
}
// flag the submission as anonymized if it was submitted to a subverse with active anonymized_mode
if (targetSubverse.anonymized_mode)
{
submissionModel.Anonymized = true;
}
else
{
submissionModel.Name = userName;
}
// grab server timestamp and modify submission timestamp to have posting time instead of "started writing submission" time
submissionModel.Subverse = targetSubverse.name;
submissionModel.Date = DateTime.Now;
submissionModel.Likes = 1;
db.Messages.Add(submissionModel);
if (ContentProcessor.Instance.HasStage(ProcessingStage.InboundPreSave))
{
submissionModel.MessageContent = ContentProcessor.Instance.Process(submissionModel.MessageContent, ProcessingStage.InboundPreSave, submissionModel);
}
await db.SaveChangesAsync();
if (ContentProcessor.Instance.HasStage(ProcessingStage.InboundPostSave))
{
ContentProcessor.Instance.Process(submissionModel.MessageContent, ProcessingStage.InboundPostSave, submissionModel);
}
}
}
// null is returned if no errors were raised
return(null);
}
public static async Task <CommandResponse <string> > GenerateThumbnail(Uri uri, bool purgeTempFile = true)
{
if (VoatSettings.Instance.OutgoingTraffic.Enabled)
{
var url = uri.ToString();
if (!String.IsNullOrEmpty(url) && UrlUtility.IsUriValid(url))
{
try
{
//Ok this all needs to be centralized, we should only make 1 request to a remote resource
using (var httpResource = new HttpResource(
new Uri(url),
new HttpResourceOptions()
{
AllowAutoRedirect = true
},
VoatSettings.Instance.OutgoingTraffic.Proxy.ToWebProxy()))
{
var result = await httpResource.GiddyUp();
if (httpResource.IsImage)
{
var fileManager = FileManager.Instance;
var fileCheck = fileManager.IsUploadPermitted(url, FileType.Thumbnail, httpResource.Response.Content.Headers.ContentType.MediaType, httpResource.Stream.Length);
if (fileCheck.Success)
{
var key = new FileKey();
key.FileType = FileType.Thumbnail;
key.ID = await GenerateRandomFilename(".jpg", FileType.Thumbnail);
var stream = httpResource.Stream;
await GenerateImageThumbnail(fileManager, key, stream, VoatSettings.Instance.ThumbnailSize, true);
return(CommandResponse.Successful(key.ID));
}
}
else if (httpResource.Image != null)
{
//just do it. again.
return(await GenerateThumbnail(httpResource.Image));
}
}
}
catch (Exception ex)
{
EventLogger.Instance.Log(ex, new { url = url, type = FileType.Thumbnail });
var response = CommandResponse.Error <CommandResponse <string> >(ex);
response.Response = ""; //Make sure this returns string.empty as other failures do.
return(response);
}
}
EventLogger.Instance.Log(new LogInformation()
{
Type = LogType.Debug,
Category = "Thumbnail Diag",
Message = "Default Response",
Data = new { url = url },
Origin = VoatSettings.Instance.Origin
});
}
return(CommandResponse.FromStatus <string>("", Status.Invalid));
}