First commit

server/middleware/basic_auth.go

@@ -0,0 +1,61 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package middleware
+
+import (
+	"context"
+	"github.com/miniflux/miniflux2/storage"
+	"log"
+	"net/http"
+)
+
+type BasicAuthMiddleware struct {
+	store *storage.Storage
+}
+
+func (b *BasicAuthMiddleware) Handler(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
+		errorResponse := `{"error_message": "Not Authorized"}`
+
+		username, password, authOK := r.BasicAuth()
+		if !authOK {
+			log.Println("[Middleware:BasicAuth] No authentication headers sent")
+			w.WriteHeader(http.StatusUnauthorized)
+			w.Write([]byte(errorResponse))
+			return
+		}
+
+		if err := b.store.CheckPassword(username, password); err != nil {
+			log.Println("[Middleware:BasicAuth] Invalid username or password:", username)
+			w.WriteHeader(http.StatusUnauthorized)
+			w.Write([]byte(errorResponse))
+			return
+		}
+
+		user, err := b.store.GetUserByUsername(username)
+		if err != nil || user == nil {
+			log.Println("[Middleware:BasicAuth] User not found:", username)
+			w.WriteHeader(http.StatusUnauthorized)
+			w.Write([]byte(errorResponse))
+			return
+		}
+
+		log.Println("[Middleware:BasicAuth] User authenticated:", username)
+		b.store.SetLastLogin(user.ID)
+
+		ctx := r.Context()
+		ctx = context.WithValue(ctx, "UserId", user.ID)
+		ctx = context.WithValue(ctx, "UserTimezone", user.Timezone)
+		ctx = context.WithValue(ctx, "IsAdminUser", user.IsAdmin)
+		ctx = context.WithValue(ctx, "IsAuthenticated", true)
+
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}
+
+func NewBasicAuthMiddleware(s *storage.Storage) *BasicAuthMiddleware {
+	return &BasicAuthMiddleware{store: s}
+}