private void GetRepoLastUpdated(GlobalConfig.SignatureSource repo)
{
System.Net.Http.HttpClient client = new HttpClient();
client.DefaultRequestHeaders.UserAgent.Add(new System.Net.Http.Headers.ProductInfoHeaderValue("rgat", CONSTANTS.PROGRAMVERSION.RGAT_VERSION_SEMANTIC.ToString()));
try
{
string commitsPath = $"https://api.github.com/repos/{repo.OrgName}/{repo.RepoName}/commits/master";
Task <HttpResponseMessage> request = client.GetAsync(commitsPath, _token);
request.Wait(_token);
if (request.Result.StatusCode == System.Net.HttpStatusCode.OK)
{
Task <string> content = request.Result.Content.ReadAsStringAsync();
content.Wait(_token);
if (JObject.Parse(content.Result).TryGetValue("commit", out JToken? tok1) &&
tok1.Type == JTokenType.Object &&
((JObject)tok1).TryGetValue("committer", out JToken? tok2) &&
tok2.Type == JTokenType.Object &&
((JObject)tok2).TryGetValue("date", out JToken? updateTok))
{
if (updateTok.Type == Newtonsoft.Json.Linq.JTokenType.Date)
{
repo.LastUpdate = updateTok.ToObject <DateTime>();
repo.LastCheck = DateTime.Now;
repo.LastRefreshError = null;
GlobalConfig.Settings.Signatures.UpdateSignatureSource(repo);
return;
}
}
Logging.RecordError($"No valid 'updated_at' field in repo response from github while refreshing {repo.FetchPath}");
repo.LastRefreshError = "Github Error";
GlobalConfig.Settings.Signatures.UpdateSignatureSource(repo);
return;
}
repo.LastRefreshError = $"{request.Result.StatusCode}";
Logging.RecordError($"Error updating {repo.FetchPath} => {request.Result.StatusCode}:{request.Result.ReasonPhrase}");
return;
}
catch (Exception e)
{
if (e.InnerException != null && e.InnerException.GetType() == typeof(HttpRequestException))
{
string message = ((HttpRequestException)e.InnerException).Message;
repo.LastRefreshError = message;
}
else
{
repo.LastRefreshError = "See Logs";
}
GlobalConfig.Settings.Signatures.UpdateSignatureSource(repo);
Logging.RecordException($"Exception updating {repo.FetchPath} => {e.Message}", e);
}
}
private static string?GetRepoDirectory(ref GlobalConfig.SignatureSource repo, string sigsdir)
{
try
{
if (!Directory.Exists(sigsdir))
{
Logging.RecordError($"Base signatures directory {sigsdir} does not exist");
return(null);
}
if (!sigsdir.ToLower().Contains("signature"))
{
Logging.RecordError($"Base signatures directory {sigsdir} does not contain the word 'signature' anywhere in the path." +
$" This is a safety measure as the contents will be deleted on download. Please change it in the Settings->Files menu");
return(null);
}
string repoSpecific = repo.RepoName + repo.SubDir;
string repoDirectory = Path.Combine(sigsdir, repo.OrgName + "_" + MurmurHash.MurmurHash2.Hash(repoSpecific));
if (!new Uri(GlobalConfig.GetSettingPath(CONSTANTS.PathKey.YaraRulesDirectory)).IsBaseOf(new Uri(repoDirectory)))
{
repo.LastDownloadError = "Bad Repo Name";
Logging.RecordError($"Repo download directory {repoDirectory} is not in the signatures directory {sigsdir}");
GlobalConfig.Settings.Signatures.UpdateSignatureSource(repo);
return(null);
}
return(repoDirectory);
}
catch (Exception e)
{
Logging.RecordException($"Error initing signature directory for repo {repo.FetchPath}: {e.Message}", e);
return(null);
}
}