package logic import ( "blackforestbytes.com/simplecloudnotifier/api/apierr" hl "blackforestbytes.com/simplecloudnotifier/api/apihighlight" "blackforestbytes.com/simplecloudnotifier/api/ginresp" "blackforestbytes.com/simplecloudnotifier/models" "database/sql" "errors" "fmt" "github.com/gin-gonic/gin" "github.com/rs/zerolog/log" "gogs.mikescher.com/BlackForestBytes/goext/ginext" "gogs.mikescher.com/BlackForestBytes/goext/langext" "gogs.mikescher.com/BlackForestBytes/goext/mathext" "gogs.mikescher.com/BlackForestBytes/goext/timeext" "strings" "time" ) type SendMessageResponse struct { User models.User Message models.Message MessageIsOld bool CompatMessageID int64 } func (app *Application) SendMessage(g *gin.Context, ctx *AppContext, UserID *models.UserID, Key *string, Channel *string, Title *string, Content *string, Priority *int, UserMessageID *string, SendTimestamp *float64, SenderName *string) (*SendMessageResponse, *ginext.HTTPResponse) { if Title != nil { Title = langext.Ptr(strings.TrimSpace(*Title)) } if UserMessageID != nil { UserMessageID = langext.Ptr(strings.TrimSpace(*UserMessageID)) } if UserID == nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_UID, hl.USER_ID, "Missing parameter [[user_id]]", nil)) } if Key == nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_TOK, hl.USER_KEY, "Missing parameter [[key]]", nil)) } if Title == nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_TITLE, hl.TITLE, "Missing parameter [[title]]", nil)) } if Priority != nil && (*Priority != 0 && *Priority != 1 && *Priority != 2) { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.INVALID_PRIO, hl.PRIORITY, "Invalid priority", nil)) } if len(*Title) == 0 { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.NO_TITLE, hl.TITLE, "No title specified", nil)) } user, err := app.Database.Primary.GetUser(ctx, *UserID) if errors.Is(err, sql.ErrNoRows) { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.USER_NOT_FOUND, hl.USER_ID, "User not found", err)) } if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query user", err)) } channelDisplayName := user.DefaultChannel() channelInternalName := user.DefaultChannel() if Channel != nil { channelDisplayName = app.NormalizeChannelDisplayName(*Channel) channelInternalName = app.NormalizeChannelInternalName(*Channel) } if len(*Title) > user.MaxTitleLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.TITLE_TOO_LONG, hl.TITLE, fmt.Sprintf("Title too long (max %d characters)", user.MaxTitleLength()), nil)) } if Content != nil && len(*Content) > user.MaxContentLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CONTENT_TOO_LONG, hl.CONTENT, fmt.Sprintf("Content too long (%d characters; max := %d characters)", len(*Content), user.MaxContentLength()), nil)) } if len(channelDisplayName) > user.MaxChannelNameLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CHANNEL_TOO_LONG, hl.CHANNEL, fmt.Sprintf("Channel too long (max %d characters)", user.MaxChannelNameLength()), nil)) } if len(strings.TrimSpace(channelDisplayName)) == 0 { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CHANNEL_NAME_EMPTY, hl.CHANNEL, fmt.Sprintf("Channel displayname cannot be empty"), nil)) } if len(channelInternalName) > user.MaxChannelNameLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CHANNEL_TOO_LONG, hl.CHANNEL, fmt.Sprintf("Channel too long (max %d characters)", user.MaxChannelNameLength()), nil)) } if len(strings.TrimSpace(channelInternalName)) == 0 { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CHANNEL_NAME_EMPTY, hl.CHANNEL, fmt.Sprintf("Channel internalname cannot be empty"), nil)) } if SenderName != nil && len(*SenderName) > user.MaxSenderNameLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.SENDERNAME_TOO_LONG, hl.SENDER_NAME, fmt.Sprintf("SenderName too long (max %d characters)", user.MaxSenderNameLength()), nil)) } if UserMessageID != nil && len(*UserMessageID) > user.MaxUserMessageIDLength() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.USR_MSG_ID_TOO_LONG, hl.USER_MESSAGE_ID, fmt.Sprintf("MessageID too long (max %d characters)", user.MaxUserMessageIDLength()), nil)) } if SendTimestamp != nil && mathext.Abs(*SendTimestamp-float64(time.Now().Unix())) > timeext.FromHours(user.MaxTimestampDiffHours()).Seconds() { return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.TIMESTAMP_OUT_OF_RANGE, hl.NONE, fmt.Sprintf("The timestamp mus be within %d hours of now()", user.MaxTimestampDiffHours()), nil)) } if UserMessageID != nil { msg, err := app.Database.Primary.GetMessageByUserMessageID(ctx, *UserMessageID) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query existing message", err)) } if msg != nil { existingCompID, _, err := app.Database.Primary.ConvertToCompatID(ctx, msg.MessageID.String()) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query compat-id", err)) } if existingCompID == nil { v, err := app.Database.Primary.CreateCompatID(ctx, "messageid", msg.MessageID.String()) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create compat-id", err)) } existingCompID = &v } //the found message can be deleted (!), but we still return NO_ERROR here... return &SendMessageResponse{ User: user, Message: *msg, MessageIsOld: true, CompatMessageID: *existingCompID, }, nil } } if user.QuotaRemainingToday() <= 0 { return nil, langext.Ptr(ginresp.SendAPIError(g, 403, apierr.QUOTA_REACHED, hl.NONE, fmt.Sprintf("Daily quota reached (%d)", user.QuotaPerDay()), nil)) } channel, err := app.GetOrCreateChannel(ctx, *UserID, channelDisplayName, channelInternalName) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query/create (owned) channel", err)) } keytok, permResp := ctx.CheckPermissionSend(channel, *Key) if permResp != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 401, apierr.USER_AUTH_FAILED, hl.USER_KEY, "You are not authorized for this action", nil)) } var sendTimestamp *time.Time = nil if SendTimestamp != nil { sendTimestamp = langext.Ptr(timeext.UnixFloatSeconds(*SendTimestamp)) } priority := langext.Coalesce(Priority, user.DefaultPriority()) clientIP := g.ClientIP() msg, err := app.Database.Primary.CreateMessage(ctx, *UserID, channel, sendTimestamp, *Title, Content, priority, UserMessageID, clientIP, SenderName, keytok.KeyTokenID) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create message in db", err)) } compatMsgID, err := app.Database.Primary.CreateCompatID(ctx, "messageid", msg.MessageID.String()) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create compat-id", err)) } subFilter := models.SubscriptionFilter{ChannelID: langext.Ptr([]models.ChannelID{channel.ChannelID}), Confirmed: langext.PTrue} activeSubscriptions, err := app.Database.Primary.ListSubscriptions(ctx, subFilter) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query subscriptions", err)) } err = app.Database.Primary.IncUserMessageCounter(ctx, &user) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to inc user msg-counter", err)) } err = app.Database.Primary.IncChannelMessageCounter(ctx, &channel) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to inc channel msg-counter", err)) } err = app.Database.Primary.IncKeyTokenMessageCounter(ctx, keytok) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to inc token msg-counter", err)) } log.Info().Msg(fmt.Sprintf("Sending new notification %s for user %s", msg.MessageID, UserID)) for _, sub := range activeSubscriptions { clients, err := app.Database.Primary.ListClients(ctx, sub.SubscriberUserID) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query clients", err)) } for _, client := range clients { fcmDelivID, err := app.DeliverMessage(ctx, user, client, channel, msg) if err != nil { _, err = app.Database.Primary.CreateRetryDelivery(ctx, client, msg) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create delivery", err)) } } else { _, err = app.Database.Primary.CreateSuccessDelivery(ctx, client, msg, fcmDelivID) if err != nil { return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create delivery", err)) } } } } return &SendMessageResponse{ User: user, Message: msg, MessageIsOld: false, CompatMessageID: compatMsgID, }, nil }