Add authentication and ability to change host

3 files changed, 54 insertions, 1 deletions

diff --git a/pkg/auth/provider.go b/pkg/auth/provider.go
new file mode 100644
index 0000000..0d515ab
--- /dev/null
+++ b/pkg/auth/provider.go
@@ -0,0 +1,38 @@
+package auth
+
+import (
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type Authenticator struct {
+	secretKey []byte
+	parser    *jwt.Parser
+}
+
+func NewAuthenticator(secretKey []byte) *Authenticator {
+	parser := jwt.NewParser(jwt.WithIssuer("scrapbook"), jwt.WithExpirationRequired())
+
+	a := &Authenticator{
+		secretKey: secretKey,
+		parser:    parser,
+	}
+
+	return a
+}
+
+func (a *Authenticator) NewJwt() (string, error) {
+	t := jwt.NewWithClaims(jwt.SigningMethodHS256,
+		jwt.MapClaims{
+			"iss": "scrapbook",
+			"exp": jwt.NewNumericDate(time.Now().Add(time.Hour * 2)),
+		})
+
+	return t.SignedString(a.secretKey)
+}
+
+func (a *Authenticator) VerifyJwt(token string) error {
+	_, err := a.parser.Parse(token, func(t *jwt.Token) (interface{}, error) { return a.secretKey, nil })
+	return err
+}
diff --git a/pkg/index/index.go b/pkg/index/index.go
index 35423bd..f3dc00d 100644
--- a/pkg/index/index.go
+++ b/pkg/index/index.go
@@ -55,9 +55,18 @@ func (s *SiteIndex) AddSite(site *site.Site) {
 	s.updateSiteIndexes()
 }
 
+func (s *SiteIndex) UpdateSiteIndexes() {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	s.updateSiteIndexes()
+}
+
 func (s *SiteIndex) updateSiteIndexes() {
 	clear(s.sitesByHost)
 	for _, site := range s.sites {
-		s.sitesByHost[site.SiteConfig.Host] = site
+		if site.SiteConfig.Host != "" {
+			s.sitesByHost[site.SiteConfig.Host] = site
+		}
 	}
 }
diff --git a/pkg/site/site.go b/pkg/site/site.go
index 3daf5e7..704c34d 100644
--- a/pkg/site/site.go
+++ b/pkg/site/site.go
@@ -133,6 +133,9 @@ func (s *Site) CreateNewVersion() (string, error) {
 }
 
 func (s *Site) EvaluateSiteStatus() string {
+	if s.SiteConfig.Host == "" {
+		return "inactive"
+	}
 	stat, err := os.Stat(s.GetCurrentPath())
 	if err != nil || !stat.IsDir() {
 		return "inactive"
@@ -145,6 +148,9 @@ func (s *Site) EvaluateSiteStatus() string {
 }
 
 func (s *Site) EvaluateSiteStatusReason() string {
+	if s.SiteConfig.Host == "" {
+		return "This site is not served by scrapbook"
+	}
 	stat, err := os.Stat(s.GetCurrentPath())
 	if err != nil || !stat.IsDir() {
 		return "This site is inacessible because no version is active"