SimpleCloudNotifier/server/api/handler/message.go
2022-11-19 16:29:14 +01:00

233 lines
8.2 KiB
Go

package handler
import (
"blackforestbytes.com/simplecloudnotifier/api/apierr"
"blackforestbytes.com/simplecloudnotifier/common/ginresp"
"blackforestbytes.com/simplecloudnotifier/db"
"blackforestbytes.com/simplecloudnotifier/logic"
"blackforestbytes.com/simplecloudnotifier/models"
"database/sql"
"fmt"
"github.com/gin-gonic/gin"
"gogs.mikescher.com/BlackForestBytes/goext/dataext"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/mathext"
"gogs.mikescher.com/BlackForestBytes/goext/timeext"
"net/http"
"strings"
"time"
)
type MessageHandler struct {
app *logic.Application
database *db.Database
}
func NewMessageHandler(app *logic.Application) MessageHandler {
return MessageHandler{
app: app,
database: app.Database,
}
}
// SendMessage swaggerdoc
//
// @Summary Send a new message
// @Description All parameter can be set via query-parameter or the json body. Only UserID, UserKey and Title are required
//
// @Param query_data query handler.SendMessage.query false " "
// @Param post_body body handler.SendMessage.body false " "
//
// @Success 200 {object} handler.SendMessage.response
// @Failure 400 {object} ginresp.apiError
// @Failure 401 {object} ginresp.apiError
// @Failure 403 {object} ginresp.apiError
// @Failure 404 {object} ginresp.apiError
// @Failure 500 {object} ginresp.apiError
//
// @Router / [POST]
// @Router /send [POST]
func (h MessageHandler) SendMessage(g *gin.Context) ginresp.HTTPResponse {
type query struct {
UserID *int64 `form:"user_id"`
UserKey *string `form:"user_key"`
Channel *string `form:"channel"`
ChanKey *string `form:"chan_key"`
Title *string `form:"message_title"`
Content *string `form:"message_content"`
Priority *int `form:"priority"`
UserMessageID *string `form:"msg_id"`
SendTimestamp *float64 `form:"timestamp"`
}
type body struct {
UserID *int64 `json:"user_id"`
UserKey *string `json:"user_key"`
Channel *string `json:"channel"`
ChanKey *string `form:"chan_key"`
Title *string `json:"message_title"`
Content *string `json:"message_content"`
Priority *int `json:"priority"`
UserMessageID *string `json:"msg_id"`
SendTimestamp *float64 `json:"timestamp"`
}
type response struct {
Success bool `json:"success"`
ErrorID apierr.APIError `json:"error"`
ErrorHighlight int `json:"errhighlight"`
Message string `json:"message"`
SuppressSend bool `json:"suppress_send"`
Response string `json:"response"`
MessageCount int `json:"messagecount"`
Quota int `json:"quota"`
IsPro bool `json:"is_pro"`
QuotaMax int `json:"quota_max"`
SCNMessageID int64 `json:"scn_msg_id"`
}
var b body
var q query
ctx, errResp := h.app.StartRequest(g, nil, &q, &b)
if errResp != nil {
return *errResp
}
defer ctx.Cancel()
data := dataext.ObjectMerge(b, q)
if data.UserID == nil {
return ginresp.SendAPIError(400, apierr.MISSING_UID, 101, "Missing parameter [[user_id]]")
}
if data.UserKey == nil {
return ginresp.SendAPIError(400, apierr.MISSING_UID, 102, "Missing parameter [[user_token]]")
}
if data.Title == nil {
return ginresp.SendAPIError(400, apierr.MISSING_UID, 103, "Missing parameter [[title]]")
}
if data.SendTimestamp != nil && mathext.Abs(*data.SendTimestamp-float64(time.Now().Unix())) > (24*time.Hour).Seconds() {
return ginresp.SendAPIError(400, apierr.TIMESTAMP_OUT_OF_RANGE, -1, "The timestamp mus be within 24 hours of now()")
}
if data.Priority != nil && (*data.Priority != 0 && *data.Priority != 1 && *data.Priority != 2) {
return ginresp.SendAPIError(400, apierr.INVALID_PRIO, 105, "Invalid priority")
}
if len(strings.TrimSpace(*data.Title)) == 0 {
return ginresp.SendAPIError(400, apierr.NO_TITLE, 103, "No title specified")
}
if data.UserMessageID != nil && len(strings.TrimSpace(*data.UserMessageID)) > 64 {
return ginresp.SendAPIError(400, apierr.USR_MSG_ID_TOO_LONG, -1, "MessageID too long (64 characters)")
}
channelName := "main"
if data.Channel != nil {
channelName = strings.ToLower(strings.TrimSpace(*data.Channel))
}
user, err := h.database.GetUser(ctx, *data.UserID)
if err == sql.ErrNoRows {
return ginresp.SendAPIError(400, apierr.USER_NOT_FOUND, -1, "User not found")
}
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to query user")
}
if len(strings.TrimSpace(*data.Title)) > 120 {
return ginresp.SendAPIError(400, apierr.TITLE_TOO_LONG, 103, "Title too long (120 characters)")
}
if data.Content != nil && len(strings.TrimSpace(*data.Content)) > user.MaxContentLength() {
return ginresp.SendAPIError(400, apierr.CONTENT_TOO_LONG, 104, fmt.Sprintf("Content too long (%d characters; max := %d characters)", len(strings.TrimSpace(*data.Content)), user.MaxContentLength()))
}
if data.UserMessageID != nil {
msg, err := h.database.GetMessageByUserMessageID(ctx, *data.UserMessageID)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to query existing message")
}
if msg != nil {
return ginresp.JSON(http.StatusOK, response{
Success: true,
ErrorID: apierr.NO_ERROR,
ErrorHighlight: 0,
Message: "Message already sent",
SuppressSend: true,
Response: "",
MessageCount: user.MessagesSent,
Quota: user.QuotaUsedToday(),
IsPro: user.IsPro,
QuotaMax: user.QuotaPerDay(),
SCNMessageID: msg.SCNMessageID,
})
}
}
if user.QuotaRemainingToday() <= 0 {
return ginresp.SendAPIError(403, apierr.QUOTA_REACHED, -1, fmt.Sprintf("Daily quota reached (%d)", user.QuotaPerDay()))
}
channel, err := h.app.GetOrCreateChannel(ctx, *data.UserID, channelName)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to query/create channel")
}
selfChanAdmin := *data.UserID == channel.OwnerUserID && *data.UserKey == user.AdminKey
selfChanSend := *data.UserID == channel.OwnerUserID && *data.UserKey == user.SendKey
forgChanSend := *data.UserID != channel.OwnerUserID && data.ChanKey != nil && *data.ChanKey == channel.SendKey
if !selfChanAdmin && !selfChanSend && !forgChanSend {
return ginresp.SendAPIError(401, apierr.USER_AUTH_FAILED, 102, fmt.Sprintf("Daily quota reached (%d)", user.QuotaPerDay()))
}
var sendTimestamp *time.Time = nil
if data.SendTimestamp != nil {
sendTimestamp = langext.Ptr(timeext.UnixFloatSeconds(*data.SendTimestamp))
}
priority := langext.Coalesce(data.Priority, 1)
msg, err := h.database.CreateMessage(ctx, *data.UserID, channel, sendTimestamp, *data.Title, data.Content, priority, data.UserMessageID)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to create message in db")
}
subscriptions, err := h.database.ListChannelSubscriptions(ctx, channel.ChannelID)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to query subscriptions")
}
for _, sub := range subscriptions {
clients, err := h.database.ListClients(ctx, sub.SubscriberUserID)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to query clients")
}
for _, client := range clients {
fcmDelivID, err := h.deliverMessage(ctx, client, msg)
if err != nil {
_, err = h.database.CreateRetryDelivery(ctx, client, msg)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to create delivery")
}
} else {
_, err = h.database.CreateSuccessDelivery(ctx, client, msg, *fcmDelivID)
if err != nil {
return ginresp.SendAPIError(500, apierr.DATABASE_ERROR, -1, "Failed to create delivery")
}
}
}
}
return ginresp.NotImplemented()
}
func (h MessageHandler) deliverMessage(ctx *logic.AppContext, client models.Client, msg models.Message) (*string, error) {
if client.FCMToken != nil {
fcmDelivID, err := h.app.Firebase.SendNotification(ctx, client, msg)
if err != nil {
return nil, err
}
return langext.Ptr(fcmDelivID), nil
} else {
return langext.Ptr(""), nil
}
}