SimpleCloudNotifier/scnserver/api/handler/message.go

326 lines
14 KiB
Go

package handler
import (
"blackforestbytes.com/simplecloudnotifier/api/apierr"
hl "blackforestbytes.com/simplecloudnotifier/api/apihighlight"
"blackforestbytes.com/simplecloudnotifier/api/ginresp"
primarydb "blackforestbytes.com/simplecloudnotifier/db/impl/primary"
"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 SendMessageResponse struct {
User models.User
Message models.Message
MessageIsOld bool
CompatMessageID int64
}
type MessageHandler struct {
app *logic.Application
database *primarydb.Database
}
func NewMessageHandler(app *logic.Application) MessageHandler {
return MessageHandler{
app: app,
database: app.Database.Primary,
}
}
// 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
// @Tags External
//
// @Param query_data query handler.SendMessage.combined false " "
// @Param post_body body handler.SendMessage.combined false " "
// @Param form_body formData handler.SendMessage.combined false " "
//
// @Success 200 {object} handler.SendMessage.response
// @Failure 400 {object} ginresp.apiError
// @Failure 401 {object} ginresp.apiError "The user_id was not found or the user_key is wrong"
// @Failure 403 {object} ginresp.apiError "The user has exceeded its daily quota - wait 24 hours or upgrade your account"
// @Failure 500 {object} ginresp.apiError "An internal server error occurred - try again later"
//
// @Router / [POST]
// @Router /send [POST]
func (h MessageHandler) SendMessage(g *gin.Context) ginresp.HTTPResponse {
type combined struct {
UserID *models.UserID `json:"user_id" form:"user_id" example:"7725" `
KeyToken *string `json:"key" form:"key" example:"P3TNH8mvv14fm" `
Channel *string `json:"channel" form:"channel" example:"test" `
Title *string `json:"title" form:"title" example:"Hello World" `
Content *string `json:"content" form:"content" example:"This is a message" `
Priority *int `json:"priority" form:"priority" example:"1" enums:"0,1,2" `
UserMessageID *string `json:"msg_id" form:"msg_id" example:"db8b0e6a-a08c-4646" `
SendTimestamp *float64 `json:"timestamp" form:"timestamp" example:"1669824037" `
SenderName *string `json:"sender_name" form:"sender_name" example:"example-server" `
}
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"`
MessageCount int `json:"messagecount"`
Quota int `json:"quota"`
IsPro bool `json:"is_pro"`
QuotaMax int `json:"quota_max"`
SCNMessageID models.MessageID `json:"scn_msg_id"`
}
var b combined
var q combined
var f combined
ctx, errResp := h.app.StartRequest(g, nil, &q, &b, &f, logic.RequestOptions{IgnoreWrongContentType: true})
if errResp != nil {
return *errResp
}
defer ctx.Cancel()
// query has highest prio, then form, then json
data := dataext.ObjectMerge(dataext.ObjectMerge(b, f), q)
okResp, errResp := h.sendMessageInternal(g, ctx, data.UserID, data.KeyToken, data.Channel, data.Title, data.Content, data.Priority, data.UserMessageID, data.SendTimestamp, data.SenderName)
if errResp != nil {
return *errResp
} else {
if okResp.MessageIsOld {
return ctx.FinishSuccess(ginresp.JSON(http.StatusOK, response{
Success: true,
ErrorID: apierr.NO_ERROR,
ErrorHighlight: -1,
Message: "Message already sent",
SuppressSend: true,
MessageCount: okResp.User.MessagesSent,
Quota: okResp.User.QuotaUsedToday(),
IsPro: okResp.User.IsPro,
QuotaMax: okResp.User.QuotaPerDay(),
SCNMessageID: okResp.Message.MessageID,
}))
} else {
return ctx.FinishSuccess(ginresp.JSON(http.StatusOK, response{
Success: true,
ErrorID: apierr.NO_ERROR,
ErrorHighlight: -1,
Message: "Message sent",
SuppressSend: false,
MessageCount: okResp.User.MessagesSent + 1,
Quota: okResp.User.QuotaUsedToday() + 1,
IsPro: okResp.User.IsPro,
QuotaMax: okResp.User.QuotaPerDay(),
SCNMessageID: okResp.Message.MessageID,
}))
}
}
}
func (h MessageHandler) sendMessageInternal(g *gin.Context, ctx *logic.AppContext, UserID *models.UserID, Key *string, Channel *string, Title *string, Content *string, Priority *int, UserMessageID *string, SendTimestamp *float64, SenderName *string) (*SendMessageResponse, *ginresp.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 := h.database.GetUser(ctx, *UserID)
if 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 = h.app.NormalizeChannelDisplayName(*Channel)
channelInternalName = h.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.MaxSenderName() {
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))
}
if UserMessageID != nil && len(*UserMessageID) > user.MaxUserMessageID() {
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))
}
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 := h.database.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 := h.database.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 := h.database.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 := h.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 := h.database.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))
}
cid, err := h.database.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))
}
subscriptions, err := h.database.ListSubscriptionsByChannel(ctx, channel.ChannelID)
if err != nil {
return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query subscriptions", err))
}
err = h.database.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 = h.database.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 = h.database.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))
}
for _, sub := range subscriptions {
clients, err := h.database.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))
}
if !sub.Confirmed {
continue
}
for _, client := range clients {
isCompatClient, err := h.database.IsCompatClient(ctx, client.ClientID)
if err != nil {
return nil, langext.Ptr(ginresp.SendAPIError(g, 500, apierr.DATABASE_ERROR, hl.NONE, "Failed to query compat_clients", err))
}
var titleOverride *string = nil
if isCompatClient {
titleOverride = langext.Ptr(compatizeMessageTitle(ctx, h.app, msg))
}
fcmDelivID, err := h.app.DeliverMessage(ctx, client, msg, titleOverride)
if err != nil {
_, err = h.database.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 = h.database.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: cid,
}, nil
}