Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/edge/shared/interface/model/token.go

@@ -0,0 +1,140 @@
+package model
+
+import (
+	"fmt"
+	"time"
+
+	"git.sendico.io/tech/sxchnge/bff/edge/shared/interface/middleware"
+	"git.sendico.io/tech/sxchnge/bff/pkg/merrors"
+	"git.sendico.io/tech/sxchnge/bff/pkg/model"
+	mduration "git.sendico.io/tech/sxchnge/bff/pkg/mutil/duration"
+	"go.mongodb.org/mongo-driver/v2/bson"
+)
+
+type AccountToken struct {
+	AccountRef bson.ObjectID
+	Login      string
+	Name       string
+	Locale     string
+	model.SessionIdentifier
+	Expiration time.Time
+	Pending    bool
+}
+
+func createAccountToken(a *model.Account, expiration int, session model.SessionIdentifier) AccountToken {
+	return AccountToken{
+		AccountRef:        *a.GetID(),
+		Login:             a.Login,
+		Name:              a.Name,
+		Locale:            a.Locale,
+		SessionIdentifier: session,
+		Expiration:        time.Now().Add(mduration.Param2Duration(expiration, time.Hour)),
+		Pending:           false,
+	}
+}
+
+func getTokenParam(claims middleware.MapClaims, param string) (string, error) {
+	id, ok := claims[param].(string)
+	if !ok {
+		return "", merrors.NoData(fmt.Sprintf("param '%s' not found", param))
+	}
+
+	return id, nil
+}
+
+const (
+	paramNameID             = "id"
+	paramNameName           = "name"
+	paramNameLocale         = "locale"
+	paramNameLogin          = "login"
+	paramNameClientID       = "clientId"
+	paramNameDeviceID       = "deviceId"
+	paramNameSessionVersion = "sessionVersion"
+	paramNameExpiration     = "exp"
+	paramNamePending        = "pending"
+)
+
+func Claims2Token(claims middleware.MapClaims) (*AccountToken, error) {
+	var at AccountToken
+	var err error
+	var account string
+	if account, err = getTokenParam(claims, paramNameID); err != nil {
+		return nil, err
+	}
+	if at.AccountRef, err = bson.ObjectIDFromHex(account); err != nil {
+		return nil, err
+	}
+	if at.Login, err = getTokenParam(claims, paramNameLogin); err != nil {
+		return nil, err
+	}
+	if at.Name, err = getTokenParam(claims, paramNameName); err != nil {
+		return nil, err
+	}
+	if at.Locale, err = getTokenParam(claims, paramNameLocale); err != nil {
+		return nil, err
+	}
+	if clientID, ok := claims[paramNameClientID]; ok {
+		if clientIDText, ok := clientID.(string); ok {
+			at.ClientID = clientIDText
+		}
+	}
+	if deviceID, ok := claims[paramNameDeviceID]; ok {
+		if deviceIDText, ok := deviceID.(string); ok {
+			at.DeviceID = deviceIDText
+		}
+	}
+	if version, ok := claims[paramNameSessionVersion]; ok {
+		if versionText, ok := version.(string); ok {
+			at.SessionVersion = versionText
+		}
+	}
+	if pending, ok := claims[paramNamePending]; ok {
+		if pbool, ok := pending.(bool); ok {
+			at.Pending = pbool
+		}
+	}
+	if expValue, ok := claims[paramNameExpiration]; ok {
+		switch exp := expValue.(type) {
+		case time.Time:
+			at.Expiration = exp
+		case float64:
+			at.Expiration = time.Unix(int64(exp), 0)
+		case int64:
+			at.Expiration = time.Unix(exp, 0)
+		default:
+			return nil, merrors.InvalidDataType(fmt.Sprintf("expiration param is of invalid type: %T", expValue))
+		}
+	} else {
+		return nil, merrors.InvalidDataType(fmt.Sprintf("expiration param is of invalid type: %T", expValue))
+	}
+	return &at, nil
+}
+
+func Account2ClaimsForSession(a *model.Account, expiration int, session model.SessionIdentifier) middleware.MapClaims {
+	t := createAccountToken(a, expiration, session)
+	return middleware.MapClaims{
+		paramNameID:             t.AccountRef.Hex(),
+		paramNameLogin:          t.Login,
+		paramNameName:           t.Name,
+		paramNameLocale:         t.Locale,
+		paramNameClientID:       t.ClientID,
+		paramNameDeviceID:       t.DeviceID,
+		paramNameSessionVersion: t.SessionVersion,
+		paramNameExpiration:     t.Expiration.Unix(),
+		paramNamePending:        t.Pending,
+	}
+}
+
+func PendingAccount2Claims(a *model.Account, expirationMinutes int) middleware.MapClaims {
+	t := createAccountToken(a, expirationMinutes/60, model.SessionIdentifier{})
+	t.Expiration = time.Now().Add(time.Duration(expirationMinutes) * time.Minute)
+	t.Pending = true
+	return middleware.MapClaims{
+		paramNameID:         t.AccountRef.Hex(),
+		paramNameLogin:      t.Login,
+		paramNameName:       t.Name,
+		paramNameLocale:     t.Locale,
+		paramNameExpiration: t.Expiration.Unix(),
+		paramNamePending:    t.Pending,
+	}
+}