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CRC an actual dbuser struct

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Per-field method left as a fallback
This commit is contained in:
0xCA 2023-12-30 14:14:32 +05:00
parent 38e4f5cbec
commit 845f438087
1 changed files with 12 additions and 4 deletions
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8
util/util.go
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@ -2,6 +2,8 @@ package util
import ( import (
"bufio" "bufio"
"bytes"
"encoding/gob"
"encoding/json" "encoding/json"
"errors" "errors"
"fmt" "fmt"
@ -830,11 +832,17 @@ func filterStringSlice(s []string, excludedStr string) []string {
} }
func GetDBUserCRC32(dbuser model.User) uint32 { func GetDBUserCRC32(dbuser model.User) uint32 {
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
if err := enc.Encode(dbuser); err != nil {
// Should be unreachable, fallback for the case
var isAdmin byte = 0 var isAdmin byte = 0
if dbuser.Admin { if dbuser.Admin {
isAdmin = 1 isAdmin = 1
} }
return crc32.ChecksumIEEE(ConcatMultipleSlices([]byte(dbuser.Username), []byte{isAdmin}, []byte(dbuser.PasswordHash), []byte(dbuser.Password))) return crc32.ChecksumIEEE(ConcatMultipleSlices([]byte(dbuser.Username), []byte{isAdmin}, []byte(dbuser.PasswordHash), []byte(dbuser.Password)))
}
return crc32.ChecksumIEEE(buf.Bytes())
} }
func ConcatMultipleSlices(slices ...[]byte) []byte { func ConcatMultipleSlices(slices ...[]byte) []byte {