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bot.go
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bot.go
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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"fmt"
"io"
"mime/multipart"
"net/http"
"github.com/mattermost/mattermost-server/v5/mlog"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/store"
"github.com/mattermost/mattermost-server/v5/utils"
)
// CreateBot creates the given bot and corresponding user.
func (a *App) CreateBot(bot *model.Bot) (*model.Bot, *model.AppError) {
user, err := a.Srv.Store.User().Save(model.UserFromBot(bot))
if err != nil {
return nil, err
}
bot.UserId = user.Id
savedBot, err := a.Srv.Store.Bot().Save(bot)
if err != nil {
a.Srv.Store.User().PermanentDelete(bot.UserId)
return nil, err
}
// Get the owner of the bot, if one exists. If not, don't send a message
ownerUser, err := a.Srv.Store.User().Get(bot.OwnerId)
if err != nil && err.Id != store.MISSING_ACCOUNT_ERROR {
mlog.Error(err.Error())
return nil, err
} else if ownerUser != nil {
// Send a message to the bot's creator to inform them that the bot needs to be added
// to a team and channel after it's created
channel, err := a.GetOrCreateDirectChannel(savedBot.UserId, bot.OwnerId)
if err != nil {
return nil, err
}
T := utils.GetUserTranslations(ownerUser.Locale)
botAddPost := &model.Post{
Type: model.POST_ADD_BOT_TEAMS_CHANNELS,
UserId: savedBot.UserId,
ChannelId: channel.Id,
Message: T("api.bot.teams_channels.add_message_mobile"),
}
if _, err := a.CreatePostAsUser(botAddPost, a.Session.Id); err != nil {
return nil, err
}
}
return savedBot, nil
}
// PatchBot applies the given patch to the bot and corresponding user.
func (a *App) PatchBot(botUserId string, botPatch *model.BotPatch) (*model.Bot, *model.AppError) {
bot, err := a.GetBot(botUserId, true)
if err != nil {
return nil, err
}
bot.Patch(botPatch)
user, err := a.Srv.Store.User().Get(botUserId)
if err != nil {
return nil, err
}
patchedUser := model.UserFromBot(bot)
user.Id = patchedUser.Id
user.Username = patchedUser.Username
user.Email = patchedUser.Email
user.FirstName = patchedUser.FirstName
userUpdate, err := a.Srv.Store.User().Update(user, true)
if err != nil {
return nil, err
}
ruser := userUpdate.New
a.sendUpdatedUserEvent(*ruser)
return a.Srv.Store.Bot().Update(bot)
}
// GetBot returns the given bot.
func (a *App) GetBot(botUserId string, includeDeleted bool) (*model.Bot, *model.AppError) {
return a.Srv.Store.Bot().Get(botUserId, includeDeleted)
}
// GetBots returns the requested page of bots.
func (a *App) GetBots(options *model.BotGetOptions) (model.BotList, *model.AppError) {
return a.Srv.Store.Bot().GetAll(options)
}
// UpdateBotActive marks a bot as active or inactive, along with its corresponding user.
func (a *App) UpdateBotActive(botUserId string, active bool) (*model.Bot, *model.AppError) {
user, err := a.Srv.Store.User().Get(botUserId)
if err != nil {
return nil, err
}
if _, err = a.UpdateActive(user, active); err != nil {
return nil, err
}
bot, err := a.Srv.Store.Bot().Get(botUserId, true)
if err != nil {
return nil, err
}
changed := true
if active && bot.DeleteAt != 0 {
bot.DeleteAt = 0
} else if !active && bot.DeleteAt == 0 {
bot.DeleteAt = model.GetMillis()
} else {
changed = false
}
if changed {
bot, err = a.Srv.Store.Bot().Update(bot)
if err != nil {
return nil, err
}
}
return bot, nil
}
// PermanentDeleteBot permanently deletes a bot and its corresponding user.
func (a *App) PermanentDeleteBot(botUserId string) *model.AppError {
if err := a.Srv.Store.Bot().PermanentDelete(botUserId); err != nil {
return err
}
if err := a.Srv.Store.User().PermanentDelete(botUserId); err != nil {
return err
}
return nil
}
// UpdateBotOwner changes a bot's owner to the given value.
func (a *App) UpdateBotOwner(botUserId, newOwnerId string) (*model.Bot, *model.AppError) {
bot, err := a.Srv.Store.Bot().Get(botUserId, true)
if err != nil {
return nil, err
}
bot.OwnerId = newOwnerId
bot, err = a.Srv.Store.Bot().Update(bot)
if err != nil {
return nil, err
}
return bot, nil
}
// disableUserBots disables all bots owned by the given user.
func (a *App) disableUserBots(userId string) *model.AppError {
perPage := 20
for {
options := &model.BotGetOptions{
OwnerId: userId,
IncludeDeleted: false,
OnlyOrphaned: false,
Page: 0,
PerPage: perPage,
}
userBots, err := a.GetBots(options)
if err != nil {
return err
}
for _, bot := range userBots {
_, err := a.UpdateBotActive(bot.UserId, false)
if err != nil {
mlog.Error("Unable to deactivate bot.", mlog.String("bot_user_id", bot.UserId), mlog.Err(err))
}
}
// Get next set of bots if we got the max number of bots
if len(userBots) == perPage {
options.Page += 1
continue
}
break
}
return nil
}
// ConvertUserToBot converts a user to bot.
func (a *App) ConvertUserToBot(user *model.User) (*model.Bot, *model.AppError) {
return a.Srv.Store.Bot().Save(model.BotFromUser(user))
}
// SetBotIconImageFromMultiPartFile sets LHS icon for a bot.
func (a *App) SetBotIconImageFromMultiPartFile(botUserId string, imageData *multipart.FileHeader) *model.AppError {
file, err := imageData.Open()
if err != nil {
return model.NewAppError("SetBotIconImage", "api.bot.set_bot_icon_image.open.app_error", nil, err.Error(), http.StatusBadRequest)
}
defer file.Close()
file.Seek(0, 0)
return a.SetBotIconImage(botUserId, file)
}
// SetBotIconImage sets LHS icon for a bot.
func (a *App) SetBotIconImage(botUserId string, file io.ReadSeeker) *model.AppError {
if _, err := a.GetBot(botUserId, true); err != nil {
return err
}
if _, err := parseSVG(file); err != nil {
return model.NewAppError("SetBotIconImage", "api.bot.set_bot_icon_image.parse.app_error", nil, err.Error(), http.StatusBadRequest)
}
// Set icon
file.Seek(0, 0)
if _, err := a.WriteFile(file, getBotIconPath(botUserId)); err != nil {
return model.NewAppError("SetBotIconImage", "api.bot.set_bot_icon_image.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if err := a.Srv.Store.User().UpdateLastPictureUpdate(botUserId); err != nil {
mlog.Error(err.Error())
}
a.invalidateUserCacheAndPublish(botUserId)
return nil
}
// DeleteBotIconImage deletes LHS icon for a bot.
func (a *App) DeleteBotIconImage(botUserId string) *model.AppError {
if _, err := a.GetBot(botUserId, true); err != nil {
return err
}
// Delete icon
if err := a.RemoveFile(getBotIconPath(botUserId)); err != nil {
return model.NewAppError("DeleteBotIconImage", "api.bot.delete_bot_icon_image.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if err := a.Srv.Store.User().UpdateLastPictureUpdate(botUserId); err != nil {
mlog.Error(err.Error())
}
a.invalidateUserCacheAndPublish(botUserId)
return nil
}
// GetBotIconImage retrieves LHS icon for a bot.
func (a *App) GetBotIconImage(botUserId string) ([]byte, *model.AppError) {
if _, err := a.GetBot(botUserId, true); err != nil {
return nil, err
}
data, err := a.ReadFile(getBotIconPath(botUserId))
if err != nil {
return nil, model.NewAppError("GetBotIconImage", "api.bot.get_bot_icon_image.read.app_error", nil, err.Error(), http.StatusNotFound)
}
return data, nil
}
func getBotIconPath(botUserId string) string {
return fmt.Sprintf("bots/%v/icon.svg", botUserId)
}