private static MattermostMessage BaseMessageForRepo(string repoName)
{
var mmc = Util.GetMattermostDetails(_config.DefaultMattermostConfig, _config.RepoList, repoName);
//set matterHook Client to correct webhook.
_matterHook = new MatterhookClient.MatterhookClient(mmc.WebhookUrl);
var retVal = new MattermostMessage
{
Channel = mmc.Channel,
Username = mmc.Username,
IconUrl = mmc.IconUrl != null ? new Uri(mmc.IconUrl) : null
};
return(retVal);
}
public async Task <IActionResult> Receive()
{
var stuffToLog = new List <string>();
try
{
string payloadText;
//Generate DiscourseHook object for easier reading
stuffToLog.Add($"Discourse Hook received: {DateTime.Now}");
Request.Headers.TryGetValue("X-Discourse-Event-Id", out StringValues eventId);
Request.Headers.TryGetValue("X-Discourse-Event-Type", out StringValues eventType);
Request.Headers.TryGetValue("X-Discourse-Event", out StringValues eventName);
Request.Headers.TryGetValue("X-Discourse-Event-Signature", out StringValues signature);
Request.Headers.TryGetValue("X-Discourse-Instance", out StringValues discourseUrl);
Request.Headers.TryGetValue("Content-type", out var content);
_discourseUrl = discourseUrl;
stuffToLog.Add($"Hook Id: {eventId}");
if (content != "application/json")
{
const string error = "Invalid content type. Expected application/json";
stuffToLog.Add(error);
Util.LogList(stuffToLog);
return(StatusCode(400, error));
}
using (var reader = new StreamReader(Request.Body, Encoding.UTF8))
{
payloadText = await reader.ReadToEndAsync().ConfigureAwait(false);
}
var calcSig = Util.CalculateSignature(payloadText, signature, _config.Secret, "sha256=");
if (signature == calcSig)
{
var discourseHook = new DiscourseHook(eventId, eventType, eventName, signature, payloadText);
var matterHook = new MatterhookClient.MatterhookClient(_config.MattermostConfig.WebhookUrl);
HttpResponseMessage response = null;
MattermostMessage message = null;
if (discourseHook.EventName == "post_created")
{
message = PostCreated((PostPayload)discourseHook.Payload);
response = await matterHook.PostAsync(message);
}
if (response == null || response.StatusCode != HttpStatusCode.OK)
{
stuffToLog.Add(response != null
? $"Unable to post to Mattermost {response.StatusCode}"
: "Unable to post to Mattermost");
return(StatusCode(500, response != null
? $"Unable to post to Mattermost: {response.StatusCode}"
: "Unable to post to Mattermost"));
}
if (!_config.LogOnlyErrors)
{
if (message != null)
{
stuffToLog.Add(message.Text);
}
stuffToLog.Add("Succesfully posted to Mattermost");
Util.LogList(stuffToLog);
}
return(StatusCode(200, "Succesfully posted to Mattermost"));
}
stuffToLog.Add("Invalid Signature!");
stuffToLog.Add($"Expected: {signature}");
stuffToLog.Add($"Calculated: {calcSig}");
Util.LogList(stuffToLog);
return(StatusCode(401, "Invalid signature. Please check your secret values in the config and Discourse"));
}
catch (Exception e)
{
stuffToLog.Add(e.Message);
Util.LogList(stuffToLog);
return(StatusCode(e is NotImplementedException ? 501 : e is WarningException? 202: 500, e.Message));
}
}
public async Task <IActionResult> Receive()
{
var stuffToLog = new List <string>();
try
{
string payloadText;
//Generate DiscourseHook object for easier reading
stuffToLog.Add($"DockerHub Hook received: {DateTime.Now}");
Request.Headers.TryGetValue("X-Request-Id", out StringValues requestId);
stuffToLog.Add($"Hook Id: {requestId}");
using (var reader = new StreamReader(Request.Body, Encoding.UTF8))
{
payloadText = await reader.ReadToEndAsync().ConfigureAwait(false);
}
//No fancy checksumming on this hook. I'll keep an eye on it in future...
var dockerhubHook = new DockerHubHook(payloadText);
var mm = Util.GetMattermostDetails(_config.DefaultMattermostConfig,
_config.RepoList, dockerhubHook.payload.Repository.RepoName);
var matterHook = new MatterhookClient.MatterhookClient(mm.WebhookUrl);
var reponame = dockerhubHook.payload.Repository.RepoName;
var repoMd = $"[{reponame}]({dockerhubHook.payload.Repository.RepoUrl})";
var msg = new MattermostMessage
{
Channel = mm.Channel,
Username = mm.Username,
IconUrl = mm.IconUrl != null ? new Uri(mm.IconUrl) : null,
Text = $"New image built and pushed to {repoMd} with tag `{dockerhubHook.payload.PushData.Tag}`"
};
stuffToLog.Add(msg.Text);
var response = await matterHook.PostAsync(msg);
if (response == null || response.StatusCode != HttpStatusCode.OK)
{
stuffToLog.Add(response != null
? $"Unable to post to Mattermost {response.StatusCode}"
: "Unable to post to Mattermost");
return(StatusCode(500, response != null
? $"Unable to post to Mattermost: {response.StatusCode}"
: "Unable to post to Mattermost"));
}
if (!_config.LogOnlyErrors)
{
stuffToLog.Add(msg.Text);
stuffToLog.Add("Succesfully posted to Mattermost");
Util.LogList(stuffToLog);
}
return(StatusCode(200, "Succesfully posted to Mattermost"));
}
catch (Exception e)
{
stuffToLog.Add(e.Message);
Util.LogList(stuffToLog);
return(StatusCode(500, e.Message));
}
}
