Exemplo n.º 1
0
func incomingWebhook(c *api.Context, w http.ResponseWriter, r *http.Request) {
	if !utils.Cfg.ServiceSettings.EnableIncomingWebhooks {
		c.Err = model.NewAppError("incomingWebhook", "Incoming webhooks have been disabled by the system admin.", "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

	params := mux.Vars(r)
	id := params["id"]

	hchan := api.Srv.Store.Webhook().GetIncoming(id)

	r.ParseForm()

	var props map[string]string
	if r.Header.Get("Content-Type") == "application/json" {
		props = model.MapFromJson(r.Body)
	} else {
		props = model.MapFromJson(strings.NewReader(r.FormValue("payload")))
	}

	text := props["text"]
	if len(text) == 0 {
		c.Err = model.NewAppError("incomingWebhook", "No text specified", "")
		return
	}

	channelName := props["channel"]

	var hook *model.IncomingWebhook
	if result := <-hchan; result.Err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Invalid webhook", "err="+result.Err.Message)
		return
	} else {
		hook = result.Data.(*model.IncomingWebhook)
	}

	var channel *model.Channel
	var cchan store.StoreChannel

	if len(channelName) != 0 {
		if channelName[0] == '@' {
			if result := <-api.Srv.Store.User().GetByUsername(hook.TeamId, channelName[1:]); result.Err != nil {
				c.Err = model.NewAppError("incomingWebhook", "Couldn't find the user", "err="+result.Err.Message)
				return
			} else {
				channelName = model.GetDMNameFromIds(result.Data.(*model.User).Id, hook.UserId)
			}
		} else if channelName[0] == '#' {
			channelName = channelName[1:]
		}

		cchan = api.Srv.Store.Channel().GetByName(hook.TeamId, channelName)
	} else {
		cchan = api.Srv.Store.Channel().Get(hook.ChannelId)
	}

	overrideUsername := props["username"]
	overrideIconUrl := props["icon_url"]

	if result := <-cchan; result.Err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Couldn't find the channel", "err="+result.Err.Message)
		return
	} else {
		channel = result.Data.(*model.Channel)
	}

	pchan := api.Srv.Store.Channel().CheckPermissionsTo(hook.TeamId, channel.Id, hook.UserId)

	// create a mock session
	c.Session = model.Session{UserId: hook.UserId, TeamId: hook.TeamId, IsOAuth: false}

	if !c.HasPermissionsToChannel(pchan, "createIncomingHook") && channel.Type != model.CHANNEL_OPEN {
		c.Err = model.NewAppError("incomingWebhook", "Inappropriate channel permissions", "")
		return
	}

	if _, err := api.CreateWebhookPost(c, channel.Id, text, overrideUsername, overrideIconUrl); err != nil {
		c.Err = err
		return
	}

	w.Header().Set("Content-Type", "text/plain")
	w.Write([]byte("ok"))
}
Exemplo n.º 2
0
func incomingWebhook(c *api.Context, w http.ResponseWriter, r *http.Request) {
	if !utils.Cfg.ServiceSettings.EnableIncomingWebhooks {
		c.Err = model.NewAppError("incomingWebhook", "Incoming webhooks have been disabled by the system admin.", "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

	params := mux.Vars(r)
	id := params["id"]

	hchan := api.Srv.Store.Webhook().GetIncoming(id)

	r.ParseForm()

	var parsedRequest *model.IncomingWebhookRequest
	if r.Header.Get("Content-Type") == "application/json" {
		parsedRequest = model.IncomingWebhookRequestFromJson(r.Body)
	} else {
		parsedRequest = model.IncomingWebhookRequestFromJson(strings.NewReader(r.FormValue("payload")))
	}

	if parsedRequest == nil {
		c.Err = model.NewAppError("incomingWebhook", "Unable to parse incoming data", "")
		return
	}

	text := parsedRequest.Text
	if len(text) == 0 && parsedRequest.Attachments == nil {
		c.Err = model.NewAppError("incomingWebhook", "No text specified", "")
		return
	}

	channelName := parsedRequest.ChannelName
	webhookType := parsedRequest.Type

	//attachments is in here for slack compatibility
	if parsedRequest.Attachments != nil {
		if len(parsedRequest.Props) == 0 {
			parsedRequest.Props = make(model.StringInterface)
		}
		parsedRequest.Props["attachments"] = parsedRequest.Attachments
		webhookType = model.POST_SLACK_ATTACHMENT
	}

	var hook *model.IncomingWebhook
	if result := <-hchan; result.Err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Invalid webhook", "err="+result.Err.Message)
		return
	} else {
		hook = result.Data.(*model.IncomingWebhook)
	}

	var channel *model.Channel
	var cchan store.StoreChannel

	if len(channelName) != 0 {
		if channelName[0] == '@' {
			if result := <-api.Srv.Store.User().GetByUsername(hook.TeamId, channelName[1:]); result.Err != nil {
				c.Err = model.NewAppError("incomingWebhook", "Couldn't find the user", "err="+result.Err.Message)
				return
			} else {
				channelName = model.GetDMNameFromIds(result.Data.(*model.User).Id, hook.UserId)
			}
		} else if channelName[0] == '#' {
			channelName = channelName[1:]
		}

		cchan = api.Srv.Store.Channel().GetByName(hook.TeamId, channelName)
	} else {
		cchan = api.Srv.Store.Channel().Get(hook.ChannelId)
	}

	overrideUsername := parsedRequest.Username
	overrideIconUrl := parsedRequest.IconURL

	if result := <-cchan; result.Err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Couldn't find the channel", "err="+result.Err.Message)
		return
	} else {
		channel = result.Data.(*model.Channel)
	}

	pchan := api.Srv.Store.Channel().CheckPermissionsTo(hook.TeamId, channel.Id, hook.UserId)

	// create a mock session
	c.Session = model.Session{UserId: hook.UserId, TeamId: hook.TeamId, IsOAuth: false}

	if !c.HasPermissionsToChannel(pchan, "createIncomingHook") && channel.Type != model.CHANNEL_OPEN {
		c.Err = model.NewAppError("incomingWebhook", "Inappropriate channel permissions", "")
		return
	}

	if _, err := api.CreateWebhookPost(c, channel.Id, text, overrideUsername, overrideIconUrl, parsedRequest.Props, webhookType); err != nil {
		c.Err = err
		return
	}

	w.Header().Set("Content-Type", "text/plain")
	w.Write([]byte("ok"))
}