mix
155b721438
test / test (push) Has been cancelled
Lay out view, auth, validate, and handlers under internal/web while keeping the cmd/panel API unchanged; update roadmap and changelog for web-split closure. Co-authored-by: Cursor <cursoragent@cursor.com>
121 lines
2.9 KiB
Go
121 lines
2.9 KiB
Go
package auth
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import (
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"crypto/subtle"
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"fmt"
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"os"
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"sync"
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"time"
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"github.com/mixeme/selfpost/internal/store"
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)
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// setupTokenTTL is the lifetime of a setup token (security.md). After it
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// elapses the token is regenerated and re-announced on the next /setup hit.
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const setupTokenTTL = 10 * time.Minute
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// setupManager owns the one-time administrator setup token. The token itself is
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// ephemeral (regenerated on restart or expiry) and lives only in memory; the
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// persistent "setup complete" fact is the presence of the admin row in the
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// store, so once that exists the token is gone for good (security.md).
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type setupManager struct {
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store *store.Store
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hostname string
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tokenPath string
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mu sync.Mutex
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token string
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expiresAt time.Time
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}
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func newSetupManager(st *store.Store, hostname, tokenPath string) *setupManager {
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return &setupManager{store: st, hostname: hostname, tokenPath: tokenPath}
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}
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func (m *setupManager) bootstrap() error {
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done, err := m.store.AdminExists()
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if err != nil {
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return err
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}
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if done {
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m.clearTokenFile()
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return nil
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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m.regenerateLocked()
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return nil
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}
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func (m *setupManager) activeToken() (string, bool) {
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done, err := m.store.AdminExists()
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if err != nil {
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logf("panel: setup: admin check failed: %v", err)
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return "", false
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}
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if done {
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return "", false
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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if m.token == "" || time.Now().After(m.expiresAt) {
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m.regenerateLocked()
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}
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return m.token, true
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}
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func (m *setupManager) validate(provided string) bool {
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token, ok := m.activeToken()
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if !ok {
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return false
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}
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return subtle.ConstantTimeCompare([]byte(provided), []byte(token)) == 1
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}
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func (m *setupManager) complete() {
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m.mu.Lock()
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m.token = ""
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m.expiresAt = time.Time{}
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m.mu.Unlock()
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m.clearTokenFile()
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}
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func (m *setupManager) regenerateLocked() {
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m.token = randomToken(16)
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m.expiresAt = time.Now().Add(setupTokenTTL)
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m.announce(m.token)
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}
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func (m *setupManager) announce(token string) {
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url := m.setupURL(token)
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logf("panel: ==================================================================")
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logf("panel: SelfPost first-run setup — open this one-time link within %s:", setupTokenTTL)
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logf("panel: %s", url)
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logf("panel: (also written to %s)", m.tokenPath)
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logf("panel: ==================================================================")
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if m.tokenPath == "" {
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return
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}
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if err := os.WriteFile(m.tokenPath, []byte(url+"\n"), 0o600); err != nil {
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logf("panel: setup: could not write token file %s: %v", m.tokenPath, err)
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}
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}
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func (m *setupManager) setupURL(token string) string {
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host := m.hostname
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if host == "" {
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host = "localhost"
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}
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return fmt.Sprintf("https://%s/setup/%s", host, token)
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}
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func (m *setupManager) clearTokenFile() {
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if m.tokenPath == "" {
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return
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}
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if err := os.Remove(m.tokenPath); err != nil && !os.IsNotExist(err) {
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logf("panel: setup: could not remove token file %s: %v", m.tokenPath, err)
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}
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}
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