Пример #1
0
func incomingWebhook(c *api.Context, w http.ResponseWriter, r *http.Request) {
	params := mux.Vars(r)
	id := params["id"]

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

	r.ParseForm()

	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)
	}

	// parse links into Markdown format
	linkWithTextRegex := regexp.MustCompile(`<([^<\|]+)\|([^>]+)>`)
	text = linkWithTextRegex.ReplaceAllString(text, "[${2}](${1})")

	linkRegex := regexp.MustCompile(`<\s*(\S*)\s*>`)
	text = linkRegex.ReplaceAllString(text, "${1}")

	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)

	post := &model.Post{UserId: hook.UserId, ChannelId: channel.Id, Message: text}

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

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

	if _, err := api.CreatePost(c, post, false); err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Error creating post", "err="+err.Message)
		return
	}

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

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

	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)
	}

	// parse links into Markdown format
	linkWithTextRegex := regexp.MustCompile(`<([^<\|]+)\|([^>]+)>`)
	text = linkWithTextRegex.ReplaceAllString(text, "[${2}](${1})")

	linkRegex := regexp.MustCompile(`<\s*(\S*)\s*>`)
	text = linkRegex.ReplaceAllString(text, "${1}")

	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)

	post := &model.Post{UserId: hook.UserId, ChannelId: channel.Id, Message: text}
	post.AddProp("from_webhook", "true")

	if utils.Cfg.ServiceSettings.EnablePostUsernameOverride {
		if len(overrideUsername) != 0 {
			post.AddProp("override_username", overrideUsername)
		} else {
			post.AddProp("override_username", model.DEFAULT_WEBHOOK_USERNAME)
		}
	}

	if utils.Cfg.ServiceSettings.EnablePostIconOverride {
		if len(overrideIconUrl) != 0 {
			post.AddProp("override_icon_url", overrideIconUrl)
		} else {
			post.AddProp("override_icon_url", model.DEFAULT_WEBHOOK_ICON)
		}
	}

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

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

	if _, err := api.CreatePost(c, post, false); err != nil {
		c.Err = model.NewAppError("incomingWebhook", "Error creating post", "err="+err.Message)
		return
	}

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