325 lines
14 KiB
Go
325 lines
14 KiB
Go
package handler
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import (
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"blackforestbytes.com/simplecloudnotifier/api/apierr"
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hl "blackforestbytes.com/simplecloudnotifier/api/apihighlight"
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"blackforestbytes.com/simplecloudnotifier/api/ginresp"
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primarydb "blackforestbytes.com/simplecloudnotifier/db/impl/primary"
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"blackforestbytes.com/simplecloudnotifier/logic"
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"blackforestbytes.com/simplecloudnotifier/models"
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"database/sql"
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"fmt"
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"github.com/gin-gonic/gin"
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"gogs.mikescher.com/BlackForestBytes/goext/dataext"
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"gogs.mikescher.com/BlackForestBytes/goext/langext"
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"gogs.mikescher.com/BlackForestBytes/goext/mathext"
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"gogs.mikescher.com/BlackForestBytes/goext/timeext"
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"net/http"
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"strings"
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"time"
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)
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type SendMessageResponse struct {
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User models.User
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Message models.Message
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MessageIsOld bool
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CompatMessageID int64
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}
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type MessageHandler struct {
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app *logic.Application
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database *primarydb.Database
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}
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func NewMessageHandler(app *logic.Application) MessageHandler {
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return MessageHandler{
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app: app,
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database: app.Database.Primary,
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}
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}
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// SendMessage swaggerdoc
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//
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// @Summary Send a new message
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// @Description All parameter can be set via query-parameter or the json body. Only UserID, UserKey and Title are required
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// @Tags External
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//
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// @Param query_data query handler.SendMessage.combined false " "
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// @Param post_body body handler.SendMessage.combined false " "
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// @Param form_body formData handler.SendMessage.combined false " "
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//
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// @Success 200 {object} handler.SendMessage.response
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// @Failure 400 {object} ginresp.apiError
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// @Failure 401 {object} ginresp.apiError "The user_id was not found or the user_key is wrong"
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// @Failure 403 {object} ginresp.apiError "The user has exceeded its daily quota - wait 24 hours or upgrade your account"
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// @Failure 500 {object} ginresp.apiError "An internal server error occurred - try again later"
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//
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// @Router / [POST]
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// @Router /send [POST]
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func (h MessageHandler) SendMessage(g *gin.Context) ginresp.HTTPResponse {
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type combined struct {
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UserID *models.UserID `json:"user_id" form:"user_id" example:"7725" `
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UserKey *string `json:"user_key" form:"user_key" example:"P3TNH8mvv14fm" `
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Channel *string `json:"channel" form:"channel" example:"test" `
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ChanKey *string `json:"chan_key" form:"chan_key" example:"qhnUbKcLgp6tg" `
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Title *string `json:"title" form:"title" example:"Hello World" `
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Content *string `json:"content" form:"content" example:"This is a message" `
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Priority *int `json:"priority" form:"priority" example:"1" enums:"0,1,2" `
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UserMessageID *string `json:"msg_id" form:"msg_id" example:"db8b0e6a-a08c-4646" `
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SendTimestamp *float64 `json:"timestamp" form:"timestamp" example:"1669824037" `
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SenderName *string `json:"sender_name" form:"sender_name" example:"example-server" `
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}
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type response struct {
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Success bool `json:"success"`
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ErrorID apierr.APIError `json:"error"`
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ErrorHighlight int `json:"errhighlight"`
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Message string `json:"message"`
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SuppressSend bool `json:"suppress_send"`
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MessageCount int `json:"messagecount"`
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Quota int `json:"quota"`
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IsPro bool `json:"is_pro"`
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QuotaMax int `json:"quota_max"`
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SCNMessageID models.MessageID `json:"scn_msg_id"`
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}
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var b combined
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var q combined
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var f combined
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ctx, errResp := h.app.StartRequest(g, nil, &q, &b, &f)
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if errResp != nil {
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return *errResp
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}
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defer ctx.Cancel()
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// query has highest prio, then form, then json
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data := dataext.ObjectMerge(dataext.ObjectMerge(b, f), q)
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okResp, errResp := h.sendMessageInternal(g, ctx, data.UserID, data.UserKey, data.Channel, data.ChanKey, data.Title, data.Content, data.Priority, data.UserMessageID, data.SendTimestamp, data.SenderName)
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if errResp != nil {
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return *errResp
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} else {
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if okResp.MessageIsOld {
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return ctx.FinishSuccess(ginresp.JSON(http.StatusOK, response{
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Success: true,
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ErrorID: apierr.NO_ERROR,
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ErrorHighlight: -1,
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Message: "Message already sent",
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SuppressSend: true,
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MessageCount: okResp.User.MessagesSent,
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Quota: okResp.User.QuotaUsedToday(),
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IsPro: okResp.User.IsPro,
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QuotaMax: okResp.User.QuotaPerDay(),
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SCNMessageID: okResp.Message.MessageID,
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}))
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} else {
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return ctx.FinishSuccess(ginresp.JSON(http.StatusOK, response{
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Success: true,
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ErrorID: apierr.NO_ERROR,
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ErrorHighlight: -1,
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Message: "Message sent",
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SuppressSend: false,
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MessageCount: okResp.User.MessagesSent + 1,
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Quota: okResp.User.QuotaUsedToday() + 1,
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IsPro: okResp.User.IsPro,
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QuotaMax: okResp.User.QuotaPerDay(),
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SCNMessageID: okResp.Message.MessageID,
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}))
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}
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}
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}
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func (h MessageHandler) sendMessageInternal(g *gin.Context, ctx *logic.AppContext, UserID *models.UserID, UserKey *string, Channel *string, ChanKey *string, Title *string, Content *string, Priority *int, UserMessageID *string, SendTimestamp *float64, SenderName *string) (*SendMessageResponse, *ginresp.HTTPResponse) {
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if Title != nil {
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Title = langext.Ptr(strings.TrimSpace(*Title))
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}
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if UserMessageID != nil {
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UserMessageID = langext.Ptr(strings.TrimSpace(*UserMessageID))
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}
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if UserID == nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_UID, hl.USER_ID, "Missing parameter [[user_id]]", nil))
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}
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if UserKey == nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_TOK, hl.USER_KEY, "Missing parameter [[user_token]]", nil))
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}
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if Title == nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.MISSING_TITLE, hl.TITLE, "Missing parameter [[title]]", nil))
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}
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if Priority != nil && (*Priority != 0 && *Priority != 1 && *Priority != 2) {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.INVALID_PRIO, hl.PRIORITY, "Invalid priority", nil))
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}
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if len(*Title) == 0 {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.NO_TITLE, hl.TITLE, "No title specified", nil))
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}
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user, err := h.database.GetUser(ctx, *UserID)
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if err == sql.ErrNoRows {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.USER_NOT_FOUND, hl.USER_ID, "User not found", err))
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}
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query user", err))
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}
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channelDisplayName := user.DefaultChannel()
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channelInternalName := user.DefaultChannel()
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if Channel != nil {
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channelDisplayName = h.app.NormalizeChannelDisplayName(*Channel)
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channelInternalName = h.app.NormalizeChannelInternalName(*Channel)
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}
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if len(*Title) > user.MaxTitleLength() {
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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))
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}
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if Content != nil && len(*Content) > user.MaxContentLength() {
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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))
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}
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if len(channelDisplayName) > user.MaxChannelNameLength() {
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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))
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}
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if len(channelInternalName) > user.MaxChannelNameLength() {
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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))
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}
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if SenderName != nil && len(*SenderName) > user.MaxSenderName() {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.SENDERNAME_TOO_LONG, hl.SENDER_NAME, fmt.Sprintf("SenderName too long (max %d characters)", user.MaxSenderName()), nil))
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}
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if UserMessageID != nil && len(*UserMessageID) > user.MaxUserMessageID() {
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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.MaxUserMessageID()), nil))
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}
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if SendTimestamp != nil && mathext.Abs(*SendTimestamp-float64(time.Now().Unix())) > timeext.FromHours(user.MaxTimestampDiffHours()).Seconds() {
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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))
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}
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if UserMessageID != nil {
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msg, err := h.database.GetMessageByUserMessageID(ctx, *UserMessageID)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query existing message", err))
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}
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if msg != nil {
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existingCompID, _, err := h.database.ConvertToCompatID(ctx, msg.MessageID.String())
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query compat-id", err))
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}
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if existingCompID == nil {
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v, err := h.database.CreateCompatID(ctx, "messageid", msg.MessageID.String())
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create compat-id", err))
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}
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existingCompID = &v
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}
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//the found message can be deleted (!), but we still return NO_ERROR here...
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return &SendMessageResponse{
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User: user,
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Message: *msg,
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MessageIsOld: true,
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CompatMessageID: *existingCompID,
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}, nil
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}
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}
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if user.QuotaRemainingToday() <= 0 {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 403, apierr.QUOTA_REACHED, hl.NONE, fmt.Sprintf("Daily quota reached (%d)", user.QuotaPerDay()), nil))
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}
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var channel models.Channel
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if ChanKey != nil {
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// foreign channel (+ channel send-key)
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foreignChan, err := h.database.GetChannelByNameAndSendKey(ctx, channelInternalName, *ChanKey)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query (foreign) channel", err))
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}
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if foreignChan == nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 400, apierr.CHANNEL_NOT_FOUND, hl.CHANNEL, "(Foreign) Channel not found", err))
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}
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channel = *foreignChan
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} else {
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// own channel
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channel, err = h.app.GetOrCreateChannel(ctx, *UserID, channelDisplayName, channelInternalName)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query/create (owned) channel", err))
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}
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}
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selfChanAdmin := *UserID == channel.OwnerUserID && *UserKey == user.AdminKey
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selfChanSend := *UserID == channel.OwnerUserID && *UserKey == user.SendKey
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forgChanSend := *UserID != channel.OwnerUserID && ChanKey != nil && *ChanKey == channel.SendKey
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if !selfChanAdmin && !selfChanSend && !forgChanSend {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 401, apierr.USER_AUTH_FAILED, hl.USER_KEY, "You are not authorized for this action", nil))
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}
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var sendTimestamp *time.Time = nil
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if SendTimestamp != nil {
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sendTimestamp = langext.Ptr(timeext.UnixFloatSeconds(*SendTimestamp))
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}
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priority := langext.Coalesce(Priority, user.DefaultPriority())
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clientIP := g.ClientIP()
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msg, err := h.database.CreateMessage(ctx, *UserID, channel, sendTimestamp, *Title, Content, priority, UserMessageID, clientIP, SenderName)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create message in db", err))
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}
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cid, err := h.database.CreateCompatID(ctx, "messageid", msg.MessageID.String())
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create compat-id", err))
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}
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subscriptions, err := h.database.ListSubscriptionsByChannel(ctx, channel.ChannelID)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query subscriptions", err))
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}
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err = h.database.IncUserMessageCounter(ctx, user)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to inc user msg-counter", err))
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}
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err = h.database.IncChannelMessageCounter(ctx, channel)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to inc channel msg-counter", err))
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}
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for _, sub := range subscriptions {
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clients, err := h.database.ListClients(ctx, sub.SubscriberUserID)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query clients", err))
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}
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if !sub.Confirmed {
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continue
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}
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for _, client := range clients {
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fcmDelivID, err := h.app.DeliverMessage(ctx, client, msg)
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if err != nil {
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_, err = h.database.CreateRetryDelivery(ctx, client, msg)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create delivery", err))
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}
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} else {
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_, err = h.database.CreateSuccessDelivery(ctx, client, msg, *fcmDelivID)
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if err != nil {
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return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to create delivery", err))
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}
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}
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}
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}
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return &SendMessageResponse{
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User: user,
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Message: msg,
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MessageIsOld: false,
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CompatMessageID: cid,
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}, nil
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}
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