util2.go 1.5 KB

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  1. // The MIT License (MIT)
  2. //
  3. // # Copyright (c) 2021 Winlin
  4. //
  5. // Permission is hereby granted, free of charge, to any person obtaining a copy of
  6. // this software and associated documentation files (the "Software"), to deal in
  7. // the Software without restriction, including without limitation the rights to
  8. // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  9. // the Software, and to permit persons to whom the Software is furnished to do so,
  10. // subject to the following conditions:
  11. //
  12. // The above copyright notice and this permission notice shall be included in all
  13. // copies or substantial portions of the Software.
  14. //
  15. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  17. // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  18. // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  19. // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20. // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21. package janus
  22. import (
  23. "encoding/json"
  24. "math/rand"
  25. "strings"
  26. )
  27. func newTransactionID() string {
  28. sb := strings.Builder{}
  29. for i := 0; i < 12; i++ {
  30. sb.WriteByte(byte('a') + byte(rand.Int()%26))
  31. }
  32. return sb.String()
  33. }
  34. func escapeJSON(s string) string {
  35. var o map[string]interface{}
  36. if err := json.Unmarshal([]byte(s), &o); err != nil {
  37. return s
  38. }
  39. if b, err := json.Marshal(o); err != nil {
  40. return s
  41. } else {
  42. return string(b)
  43. }
  44. }