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Simplify id generation
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parent
c5f12920b0
commit
fcb88c8a85
20
util/rand.go
20
util/rand.go
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@ -2,24 +2,18 @@ package util
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import (
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import (
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"crypto/rand"
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"crypto/rand"
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"math/big"
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"encoding/base64"
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)
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)
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var (
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var enc = base64.URLEncoding
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runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
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runes_length = len(runes)
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)
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func NewRandID(n int) (string, error) {
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func NewRandID(n int) (string, error) {
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data := make([]rune, n)
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data := make([]byte, enc.DecodedLen(n))
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for i := range data {
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_, err := rand.Read(data)
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num, err := rand.Int(rand.Reader, big.NewInt(int64(runes_length)))
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if err != nil {
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if err != nil {
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return "", err
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return "", err
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}
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data[i] = runes[num.Int64()]
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}
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}
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return string(data), nil
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return enc.EncodeToString(data), nil
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}
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}
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func NewSessionID() (string, error) {
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func NewSessionID() (string, error) {
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