brasse b
e6b64e3344
Full project scaffold: multi-stage Dockerfile (ARM64/AMD64), AsciiDoc↔TipTap bridge, Setup Wizard, CodeMirror source editor, Git-backed storage layer, LDAP+JWT auth skeleton, Tailwind mobile-first layout, and VS Code build/push tasks targeting registry at 192.168.0.19:5000. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
112 lines
2.3 KiB
Go
112 lines
2.3 KiB
Go
package auth
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import (
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"crypto/rand"
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"encoding/hex"
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"errors"
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"sync"
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"time"
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"github.com/brasse-b/archivum/internal/config"
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"github.com/go-ldap/ldap/v3"
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)
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// Session represents an authenticated user session.
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type Session struct {
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Username string
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Token string
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ExpiresAt time.Time
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}
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// Manager handles LDAP authentication and in-memory session tracking.
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type Manager struct {
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cfg *config.Config
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mu sync.RWMutex
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sessions map[string]*Session
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}
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func NewManager(cfg *config.Config) *Manager {
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return &Manager{
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cfg: cfg,
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sessions: make(map[string]*Session),
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}
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}
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// Login authenticates against LDAP and returns a bearer token on success.
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func (m *Manager) Login(username, password string) (string, error) {
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l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", m.cfg.LDAP.Host, m.cfg.LDAP.Port))
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if err != nil {
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return "", err
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}
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defer l.Close()
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if err := l.Bind(m.cfg.LDAP.BindDN, m.cfg.LDAP.BindPassword); err != nil {
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return "", err
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}
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sr, err := l.Search(&ldap.SearchRequest{
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BaseDN: m.cfg.LDAP.BaseDN,
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Filter: fmt.Sprintf("(uid=%s)", ldap.EscapeFilter(username)),
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Scope: ldap.ScopeWholeSubtree,
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})
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if err != nil {
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return "", err
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}
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if len(sr.Entries) != 1 {
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return "", errors.New("user not found")
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}
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userDN := sr.Entries[0].DN
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if err := l.Bind(userDN, password); err != nil {
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return "", errors.New("invalid credentials")
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}
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token, err := generateToken()
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if err != nil {
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return "", err
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}
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m.mu.Lock()
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m.sessions[token] = &Session{
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Username: username,
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Token: token,
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ExpiresAt: time.Now().Add(24 * time.Hour),
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}
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m.mu.Unlock()
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return token, nil
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}
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// Validate checks a bearer token and returns the associated session.
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func (m *Manager) Validate(token string) (*Session, error) {
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m.mu.RLock()
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s, ok := m.sessions[token]
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m.mu.RUnlock()
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if !ok {
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return nil, errors.New("invalid token")
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}
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if time.Now().After(s.ExpiresAt) {
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m.mu.Lock()
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delete(m.sessions, token)
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m.mu.Unlock()
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return nil, errors.New("token expired")
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}
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return s, nil
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}
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// Logout removes a session.
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func (m *Manager) Logout(token string) {
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m.mu.Lock()
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delete(m.sessions, token)
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m.mu.Unlock()
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}
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func generateToken() (string, error) {
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b := make([]byte, 32)
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if _, err := rand.Read(b); err != nil {
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return "", err
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}
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return hex.EncodeToString(b), nil
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}
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