SimpleCloudNotifier/scnserver/logic/application.go

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package logic
import (
scn "blackforestbytes.com/simplecloudnotifier"
"blackforestbytes.com/simplecloudnotifier/db"
"blackforestbytes.com/simplecloudnotifier/db/simplectx"
"blackforestbytes.com/simplecloudnotifier/google"
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"blackforestbytes.com/simplecloudnotifier/models"
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"blackforestbytes.com/simplecloudnotifier/push"
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"context"
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"errors"
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"github.com/rs/zerolog/log"
golock "github.com/viney-shih/go-lock"
"gogs.mikescher.com/BlackForestBytes/goext/ginext"
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"gogs.mikescher.com/BlackForestBytes/goext/rext"
"gogs.mikescher.com/BlackForestBytes/goext/syncext"
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"net"
"os"
"os/signal"
"regexp"
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"strings"
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"syscall"
"time"
)
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var rexWhitespaceStart = rext.W(regexp.MustCompile("^\\s+"))
var rexWhitespaceEnd = rext.W(regexp.MustCompile("\\s+$"))
var rexNormalizeUsername = rext.W(regexp.MustCompile("[^[:alnum:]\\-_ ]"))
var rexCompatTitleChannel = rext.W(regexp.MustCompile("^\\[(?P<channel>[A-Za-z\\-0-9_ ]+)] (?P<title>(.|\\r|\\n)+)$"))
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type Application struct {
Config scn.Config
Gin *ginext.GinWrapper
Database *DBPool
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Pusher push.NotificationClient
AndroidPublisher google.AndroidPublisherClient
Jobs []Job
stopChan chan bool
Port string
IsRunning *syncext.AtomicBool
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RequestLogQueue chan models.RequestLog
MainDatabaseLock golock.RWMutex
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}
func NewApp(db *DBPool) *Application {
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return &Application{
Database: db,
stopChan: make(chan bool),
IsRunning: syncext.NewAtomicBool(false),
RequestLogQueue: make(chan models.RequestLog, 1024),
MainDatabaseLock: golock.NewCASMutex(),
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}
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}
func (app *Application) Init(cfg scn.Config, g *ginext.GinWrapper, fb push.NotificationClient, apc google.AndroidPublisherClient, jobs []Job) {
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app.Config = cfg
app.Gin = g
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app.Pusher = fb
app.AndroidPublisher = apc
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app.Jobs = jobs
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}
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func (app *Application) Stop() {
// non-blocking send
select {
case app.stopChan <- true:
}
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}
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func (app *Application) Run() {
// ================== START HTTP ==================
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addr := net.JoinHostPort(app.Config.ServerIP, app.Config.ServerPort)
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errChan, httpserver := app.Gin.ListenAndServeHTTP(addr, func(port string) {
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app.Port = port
app.IsRunning.Set(true)
})
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// ================== START JOBS ==================
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for _, job := range app.Jobs {
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err := job.Start()
if err != nil {
log.Fatal().Err(err).Msg("Failed to start job")
}
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}
// ================== LISTEN FOR SIGNALS ==================
sigstop := make(chan os.Signal, 1)
signal.Notify(sigstop, os.Interrupt, syscall.SIGTERM)
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select {
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case <-sigstop:
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
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log.Info().Msg("Stopping HTTP-Server")
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err := httpserver.Shutdown(ctx)
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if err != nil {
log.Info().Err(err).Msg("Error while stopping the http-server")
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} else {
log.Info().Msg("Stopped HTTP-Server")
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}
case err := <-errChan:
log.Error().Err(err).Msg("HTTP-Server failed")
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case <-app.stopChan:
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
log.Info().Msg("Manually stopping HTTP-Server")
err := httpserver.Shutdown(ctx)
if err != nil {
log.Info().Err(err).Msg("Error while stopping the http-server")
} else {
log.Info().Msg("Manually stopped HTTP-Server")
}
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}
// ================== STOP JOBS ==================
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for _, job := range app.Jobs {
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job.Stop()
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}
// ================== STOP DB ==================
{
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
err := app.Database.Stop(ctx)
if err != nil {
log.Err(err).Msg("Failed to stop database")
}
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}
log.Info().Msg("Stopped Databases")
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// ================== FINISH ==================
app.IsRunning.Set(false)
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}
func (app *Application) GenerateRandomAuthKey() string {
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return scn.RandomAuthKey()
}
func (app *Application) VerifyProToken(ctx *AppContext, token string) (bool, error) {
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if strings.HasPrefix(token, "ANDROID|v1|") {
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subToken := token[len("ANDROID|v1|"):]
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return app.VerifyAndroidProToken(ctx, subToken)
}
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if strings.HasPrefix(token, "ANDROID|v2|") {
subToken := token[len("ANDROID|v2|"):]
return app.VerifyAndroidProToken(ctx, subToken)
}
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if strings.HasPrefix(token, "IOS|v1|") {
return false, errors.New("invalid token-version: ios-v1")
}
if strings.HasPrefix(token, "IOS|v2|") {
subToken := token[len("IOS|v2|"):]
return app.VerifyIOSProToken(ctx, subToken)
}
return false, nil
}
func (app *Application) VerifyAndroidProToken(ctx *AppContext, token string) (bool, error) {
purchase, err := app.AndroidPublisher.GetProductPurchase(ctx, app.Config.GooglePackageName, app.Config.GoogleProProductID, token)
if err != nil {
return false, err
}
if purchase == nil {
return false, nil
}
if purchase.PurchaseState == nil {
return false, nil
}
if *purchase.PurchaseState != google.PurchaseStatePurchased {
return false, nil
}
return true, nil
}
func (app *Application) VerifyIOSProToken(ctx *AppContext, token string) (bool, error) {
return false, nil //TODO IOS
}
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func (app *Application) Migrate() error {
ctx, cancel := context.WithTimeout(context.Background(), 24*time.Second)
defer cancel()
return app.Database.Migrate(ctx)
}
func (app *Application) NewSimpleTransactionContext(timeout time.Duration) *simplectx.SimpleContext {
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ictx, cancel := context.WithTimeout(context.Background(), timeout)
return simplectx.CreateSimpleContext(ictx, cancel)
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}
func (app *Application) getPermissions(ctx db.TxContext, hdr string) (models.PermissionSet, error) {
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if hdr == "" {
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return models.NewEmptyPermissions(), nil
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}
if !strings.HasPrefix(hdr, "SCN ") {
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return models.NewEmptyPermissions(), nil
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}
key := strings.TrimSpace(hdr[4:])
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tok, err := app.Database.Primary.GetKeyTokenByToken(ctx, key)
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if err != nil {
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return models.PermissionSet{}, err
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}
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if tok != nil {
err = app.Database.Primary.UpdateKeyTokenLastUsed(ctx, tok.KeyTokenID)
if err != nil {
return models.PermissionSet{}, err
}
return models.PermissionSet{Token: tok}, nil
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}
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return models.NewEmptyPermissions(), nil
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}
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func (app *Application) GetOrCreateChannel(ctx *AppContext, userid models.UserID, displayChanName string, intChanName string) (models.Channel, error) {
existingChan, err := app.Database.Primary.GetChannelByName(ctx, userid, intChanName)
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if err != nil {
return models.Channel{}, err
}
if existingChan != nil {
return *existingChan, nil
}
subscribeKey := app.GenerateRandomAuthKey()
newChan, err := app.Database.Primary.CreateChannel(ctx, userid, displayChanName, intChanName, subscribeKey, nil)
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if err != nil {
return models.Channel{}, err
}
_, err = app.Database.Primary.CreateSubscription(ctx, userid, newChan, true)
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if err != nil {
return models.Channel{}, err
}
return newChan, nil
}
func (app *Application) NormalizeChannelDisplayName(v string) string {
return strings.TrimSpace(v)
}
func (app *Application) NormalizeChannelInternalName(v string) string {
return strings.TrimSpace(v)
}
func (app *Application) NormalizeUsername(v string) string {
return strings.TrimSpace(v)
}
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func (app *Application) DeliverMessage(ctx context.Context, user models.User, client models.Client, channel models.Channel, msg models.Message) (string, error) {
fcmDelivID, err := app.Pusher.SendNotification(ctx, user, client, channel, msg)
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if err != nil {
log.Warn().Str("MessageID", msg.MessageID.String()).Str("ClientID", client.ClientID.String()).Err(err).Msg("FCM Delivery failed")
return "", err
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}
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return fcmDelivID, nil
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}
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func (app *Application) InsertRequestLog(data models.RequestLog) {
ok := syncext.WriteNonBlocking(app.RequestLogQueue, data)
if !ok {
log.Error().Msg("failed to insert request-log (queue full)")
}
}