Add possiblity to share gallerie with public link

photo21/settings.py

@@ -149,6 +149,20 @@ if _db_engine == "postgres":
             "PORT": config("DB_PORT", default="5432"),
         }
     }
+elif _db_engine == "mariadb":
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.mysql",
+            "NAME": config("DB_NAME", default="photo21"),
+            "USER": config("DB_USER", default="photo21"),
+            "PASSWORD": config("DB_PASSWORD", default=""),
+            "HOST": config("DB_HOST", default="localhost"),
+            "PORT": config("DB_PORT", default="3306"),
+            "OPTIONS": {
+                "charset": "utf8mb4",
+            },
+        }
+    }
 elif _db_engine == "sqlite":
     DATABASES = {
         "default": {
@@ -160,7 +174,7 @@ elif _db_engine == "sqlite":
         }
     }
 else:
-    raise ValueError(f"Unknown DB_ENGINE '{_db_engine}'. Must be 'sqlite' or 'postgres'.")
+    raise ValueError(f"Unknown DB_ENGINE '{_db_engine}'. Must be 'sqlite', 'postgres' or 'mariadb'.")
 
 CACHES = {
     "default": {

photo21/static/copy-button.js

@@ -0,0 +1,24 @@
+document.querySelectorAll('[data-clipboard-text]').forEach(function(btn) {
+    btn.addEventListener('click', function() {
+        var text = btn.dataset.clipboardText;
+        if (navigator.clipboard) {
+            navigator.clipboard.writeText(text);
+        } else {
+            var ta = document.createElement('textarea');
+            ta.value = text;
+            ta.style.position = 'fixed';
+            ta.style.opacity = '0';
+            document.body.appendChild(ta);
+            ta.select();
+            document.execCommand('copy');
+            document.body.removeChild(ta);
+        }
+        var original = btn.textContent;
+        btn.textContent = '✓ Copied!';
+        btn.disabled = true;
+        setTimeout(function() {
+            btn.textContent = original;
+            btn.disabled = false;
+        }, 2000);
+    });
+});

photo21/templates/base.html

@@ -37,6 +37,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
             </button>
             <div class="collapse navbar-collapse" id="navbarSupportedContent">
                 <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+                    {% if request.user.is_authenticated %}
                     <li class="nav-item">
                         {% url 'photologue:pl-gallery-archive' as url %}
                         <a class="nav-link {% if request.path_info == url %}active{% endif %}" href="{{ url }}">{% trans 'Galleries' %}</a>
@@ -52,6 +53,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
                         <a class="nav-link" href="{% url 'admin:index' %}">{% trans 'Manage' %}</a>
                     </li>
                     {% endif %}
+                    {% endif %}
                 </ul>
                 <ul class="navbar-nav">
                     {% get_available_languages as LANGUAGES %}

photo21/views.py

@@ -9,14 +9,36 @@ from django.contrib.auth import get_user_model
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import FileResponse, Http404
 from django.views.generic import ListView, View
-from photologue.models import Gallery
+from photologue.models import Gallery, Photo
 
 
 class MediaAccess(View):
     def get(self, request, path):
-        if not request.user.is_authenticated and not request.session.get('public_gallery_access'):
+        if not request.user.is_authenticated:
             from django.contrib.auth.views import redirect_to_login
-            return redirect_to_login(request.get_full_path())
+            try:
+                allowed_ids = set(request.get_signed_cookie("public_galleries", default="").split(","))
+            except Exception:
+                allowed_ids = set()
+            allowed_ids.discard("")
+            if not allowed_ids:
+                return redirect_to_login(request.get_full_path())
+            # Direct match (original photo file)
+            allowed = Photo.objects.filter(
+                image=path,
+                is_public=True,
+                galleries__id__in=allowed_ids,
+            ).exists()
+            # Cache files (thumbnails/display) are derived from original photos
+            if not allowed and '/cache/' in path:
+                original_dir = os.path.dirname(os.path.dirname(path))
+                allowed = Photo.objects.filter(
+                    image__startswith=original_dir + '/',
+                    is_public=True,
+                    galleries__id__in=allowed_ids,
+                ).exists()
+            if not allowed:
+                return redirect_to_login(request.get_full_path())
         media_root = os.path.realpath(settings.MEDIA_ROOT)
         file_path = os.path.realpath(os.path.join(media_root, path))
         if not file_path.startswith(media_root + os.sep):