Ejemplo n.º 1
0
func incomingWebhook(c *Context, w http.ResponseWriter, r *http.Request) {
	if !utils.Cfg.ServiceSettings.EnableIncomingWebhooks {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.disabled.app_error", nil, "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

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

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

	r.ParseForm()

	var payload io.Reader
	contentType := r.Header.Get("Content-Type")
	if strings.Split(contentType, "; ")[0] == "application/x-www-form-urlencoded" {
		payload = strings.NewReader(r.FormValue("payload"))
	} else {
		payload = r.Body
	}

	if utils.Cfg.LogSettings.EnableWebhookDebugging {
		var err error
		payload, err = utils.DebugReader(
			payload,
			utils.T("api.webhook.incoming.debug"),
		)
		if err != nil {
			c.Err = model.NewLocAppError(
				"incomingWebhook",
				"api.webhook.incoming.debug.error",
				nil,
				err.Error(),
			)
			return
		}
	}

	parsedRequest := model.IncomingWebhookRequestFromJson(payload)

	if parsedRequest == nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.parse.app_error", nil, "")
		return
	}

	text := parsedRequest.Text
	if len(text) == 0 && parsedRequest.Attachments == nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.text.app_error", nil, "")
		c.Err.StatusCode = http.StatusBadRequest
		return
	}

	textSize := utf8.RuneCountInString(text)
	if textSize > model.POST_MESSAGE_MAX_RUNES {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.text.length.app_error", map[string]interface{}{"Max": model.POST_MESSAGE_MAX_RUNES, "Actual": textSize}, "")
		c.Err.StatusCode = http.StatusBadRequest
		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

		attachmentSize := utf8.RuneCountInString(model.StringInterfaceToJson(parsedRequest.Props))
		// Minus 100 to leave room for setting post type in the Props
		if attachmentSize > model.POST_PROPS_MAX_RUNES-100 {
			c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.attachment.app_error", map[string]interface{}{"Max": model.POST_PROPS_MAX_RUNES - 100, "Actual": attachmentSize}, "")
			c.Err.StatusCode = http.StatusBadRequest
			return
		}

		webhookType = model.POST_SLACK_ATTACHMENT
	}

	var hook *model.IncomingWebhook
	if result := <-hchan; result.Err != nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.invalid.app_error", nil, "err="+result.Err.Message)
		return
	} else {
		hook = result.Data.(*model.IncomingWebhook)
	}

	var channel *model.Channel
	var cchan store.StoreChannel
	var directUserId string

	if len(channelName) != 0 {
		if channelName[0] == '@' {
			if result := <-app.Srv.Store.User().GetByUsername(channelName[1:]); result.Err != nil {
				c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.user.app_error", nil, "err="+result.Err.Message)
				return
			} else {
				directUserId = result.Data.(*model.User).Id
				channelName = model.GetDMNameFromIds(directUserId, hook.UserId)
			}
		} else if channelName[0] == '#' {
			channelName = channelName[1:]
		}

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

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

	result := <-cchan
	if result.Err != nil && result.Err.Id == store.MISSING_CHANNEL_ERROR && directUserId != "" {
		newChanResult := <-app.Srv.Store.Channel().CreateDirectChannel(directUserId, hook.UserId)
		if newChanResult.Err != nil {
			c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.channel.app_error", nil, "err="+newChanResult.Err.Message)
			return
		} else {
			channel = newChanResult.Data.(*model.Channel)
			app.InvalidateCacheForUser(directUserId)
			app.InvalidateCacheForUser(hook.UserId)
		}
	} else if result.Err != nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.channel.app_error", nil, "err="+result.Err.Message)
		return
	} else {
		channel = result.Data.(*model.Channel)
	}

	// create a mock session
	c.Session = model.Session{
		UserId: hook.UserId,
		TeamMembers: []*model.TeamMember{{
			TeamId: hook.TeamId,
			UserId: hook.UserId,
			Roles:  model.ROLE_CHANNEL_USER.Id,
		}},
		IsOAuth: false,
	}

	c.TeamId = hook.TeamId

	if channel.Type != model.CHANNEL_OPEN && !HasPermissionToChannelContext(c, channel.Id, model.PERMISSION_READ_CHANNEL) {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.permissions.app_error", nil, "")
		return
	}
	c.Err = nil

	if _, err := app.CreateWebhookPost(hook.UserId, hook.TeamId, 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"))
}
Ejemplo 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")))
	}

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

	channelName := parsedRequest.ChannelName

	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); err != nil {
		c.Err = err
		return
	}

	w.Header().Set("Content-Type", "text/plain")
	w.Write([]byte("ok"))
}
Ejemplo n.º 3
0
func incomingWebhook(c *Context, w http.ResponseWriter, r *http.Request) {
	if !utils.Cfg.ServiceSettings.EnableIncomingWebhooks {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.disabled.app_error", nil, "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

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

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

	r.ParseForm()

	var parsedRequest *model.IncomingWebhookRequest
	contentType := r.Header.Get("Content-Type")
	if strings.Split(contentType, "; ")[0] == "application/json" {
		parsedRequest = model.IncomingWebhookRequestFromJson(r.Body)
	} else {
		parsedRequest = model.IncomingWebhookRequestFromJson(strings.NewReader(r.FormValue("payload")))
	}

	if parsedRequest == nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.parse.app_error", nil, "")
		return
	}

	text := parsedRequest.Text
	if len(text) == 0 && parsedRequest.Attachments == nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.text.app_error", nil, "")
		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.NewLocAppError("incomingWebhook", "web.incoming_webhook.invalid.app_error", nil, "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 := <-Srv.Store.User().GetByUsername(hook.TeamId, channelName[1:]); result.Err != nil {
				c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.user.app_error", nil, "err="+result.Err.Message)
				return
			} else {
				channelName = model.GetDMNameFromIds(result.Data.(*model.User).Id, hook.UserId)
			}
		} else if channelName[0] == '#' {
			channelName = channelName[1:]
		}

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

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

	if result := <-cchan; result.Err != nil {
		c.Err = model.NewLocAppError("incomingWebhook", "web.incoming_webhook.channel.app_error", nil, "err="+result.Err.Message)
		return
	} else {
		channel = result.Data.(*model.Channel)
	}

	pchan := 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.NewLocAppError("incomingWebhook", "web.incoming_webhook.permissions.app_error", nil, "")
		return
	}

	if _, err := 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"))
}