mirror of
https://github.com/Luzifer/korvike.git
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40 lines
707 B
Go
40 lines
707 B
Go
package functions
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import (
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"crypto/md5"
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"crypto/sha1"
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"crypto/sha256"
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"crypto/sha512"
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"errors"
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"fmt"
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"hash"
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)
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func init() {
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registerFunction("hash", func(name string, v ...string) (string, error) {
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if len(v) < 1 {
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return "", errors.New("no string to hash")
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}
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var hash hash.Hash
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switch name {
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case "md5":
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hash = md5.New()
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case "sha1":
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hash = sha1.New()
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case "sha256":
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hash = sha256.New()
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case "sha512":
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hash = sha512.New()
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default:
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return "", fmt.Errorf("hash algo %q not supported", name)
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}
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if _, err := hash.Write([]byte(v[0])); err != nil {
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return "", fmt.Errorf("writing to hash: %w", err)
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}
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return fmt.Sprintf("%x", hash.Sum(nil)), nil
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})
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}
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