HoneyandClaude Opus 5
31a027c93a
Go-Backend (chi, pgx, golang-migrate) + React/TS-Frontend als PWA. Enthalten: Auth inkl. OIDC, Dateien mit Versionen und Papierkorb, Freigaben (Links + intern), WebDAV, Gruppenordner, Admin/Theming, Volltextsuche mit OCR, eigener PDF-Betrachter und WOPI-Office (Collabora/OnlyOffice). Nicht im Repo: deploy/.env (Sitzungsschlüssel, DB- und Admin-Passwort) sowie alle Daten- und Build-Verzeichnisse – siehe .gitignore. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package auth
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import (
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"crypto/rand"
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"crypto/subtle"
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"encoding/base64"
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"fmt"
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"strings"
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"golang.org/x/crypto/argon2"
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)
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const (
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argonTime = 1
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argonMemory = 64 * 1024
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argonThreads = 4
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argonKeyLen = 32
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saltLen = 16
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)
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func HashPassword(password string) (string, error) {
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salt := make([]byte, saltLen)
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if _, err := rand.Read(salt); err != nil {
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return "", fmt.Errorf("generate salt: %w", err)
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}
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hash := argon2.IDKey([]byte(password), salt, argonTime, argonMemory, argonThreads, argonKeyLen)
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return fmt.Sprintf("$argon2id$v=19$m=%d,t=%d,p=%d$%s$%s",
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argonMemory, argonTime, argonThreads,
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base64.RawStdEncoding.EncodeToString(salt),
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base64.RawStdEncoding.EncodeToString(hash),
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), nil
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}
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func VerifyPassword(password, encoded string) (bool, error) {
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parts := strings.Split(encoded, "$")
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if len(parts) != 6 || parts[1] != "argon2id" {
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return false, fmt.Errorf("invalid hash format")
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}
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salt, err := base64.RawStdEncoding.DecodeString(parts[4])
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if err != nil {
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return false, fmt.Errorf("decode salt: %w", err)
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}
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expected, err := base64.RawStdEncoding.DecodeString(parts[5])
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if err != nil {
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return false, fmt.Errorf("decode hash: %w", err)
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}
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check := argon2.IDKey([]byte(password), salt, argonTime, argonMemory, argonThreads, uint32(len(expected)))
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return subtle.ConstantTimeCompare(expected, check) == 1, nil
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}
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