mirror of https://github.com/minio/minio.git
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package keys
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import (
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"bufio"
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"bytes"
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"crypto/rand"
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"encoding/base64"
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)
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var alphaNumericTable = []byte("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")
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var alphaNumericTableFull = []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
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func GetRandomAlphaNumeric(size int) ([]byte, error) {
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alpha := make([]byte, size)
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_, err := rand.Read(alpha)
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if err != nil {
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return nil, err
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}
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for i := 0; i < size; i++ {
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alpha[i] = alphaNumericTable[alpha[i]%byte(len(alphaNumericTable))]
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}
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return alpha, nil
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}
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func GetRandomAlphaNumericFull(size int) ([]byte, error) {
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alphaFull := make([]byte, size)
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_, err := rand.Read(alphaFull)
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if err != nil {
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return nil, err
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}
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for i := 0; i < size; i++ {
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alphaFull[i] = alphaNumericTableFull[alphaFull[i]%byte(len(alphaNumericTableFull))]
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}
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return alphaFull, nil
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}
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func GetRandomBase64(size int) ([]byte, error) {
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rb := make([]byte, size)
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_, err := rand.Read(rb)
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if err != nil {
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return nil, err
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}
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var bytesBuffer bytes.Buffer
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writer := bufio.NewWriter(&bytesBuffer)
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encoder := base64.NewEncoder(base64.StdEncoding, writer)
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encoder.Write(rb)
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encoder.Close()
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return bytesBuffer.Bytes(), nil
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}
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func ValidateAccessKey(key []byte) bool {
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for _, char := range key {
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if isalnum(char) {
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continue
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}
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switch char {
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case '-':
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case '.':
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case '_':
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case '~':
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continue
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default:
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return false
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}
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}
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return true
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}
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