View unused covers.

[redakcja.git] / src / wiki / views.py

diff --git a/src/wiki/views.py b/src/wiki/views.py
index aea4439..47f41f1 100644 (file)
--- a/src/wiki/views.py
+++ b/src/wiki/views.py
@@ -2,6 +2,7 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from datetime import datetime
+import json
 import os
 import logging
 from time import mktime
@@ -11,7 +12,7 @@ from django.apps import apps
 from django.conf import settings
 from django.urls import reverse
 from django import http
-from django.http import Http404, HttpResponseForbidden
+from django.http import Http404, HttpResponse, HttpResponseForbidden, HttpResponseBadRequest
 from django.middleware.gzip import GZipMiddleware
 from django.utils.decorators import decorator_from_middleware
 from django.utils.formats import localize
@@ -38,6 +39,10 @@ logger = logging.getLogger("fnp.wiki")
 MAX_LAST_DOCS = 10
 
 
+class HttpResponseLengthRequired(HttpResponse):
+    status_code = 411
+
+
 @never_cache
 def editor(request, slug, chunk=None, template_name='wiki/document_details.html'):
     try:
@@ -129,6 +134,20 @@ def text(request, chunk_id):
         return HttpResponseForbidden("Not authorized.")
 
     if request.method == 'POST':
+        # Check length to reject broken request.
+        try:
+            expected_cl = int(request.META['CONTENT_LENGTH'])
+        except:
+            return HttpResponseLengthRequired(json.dumps(
+                {"__message": _("Content length required.")}
+            ))
+        # 411 if missing
+        cl = len(request.body)
+        if cl != expected_cl:
+            return HttpResponseBadRequest(json.dumps(
+                {"__message": _("Wrong content length, request probably interrupted.")}
+            ))
+
         form = forms.DocumentTextSaveForm(request.POST, user=request.user, prefix="textsave")
         if form.is_valid():
             if request.user.is_authenticated:
@@ -252,15 +271,21 @@ def gallery(request, directory):
 
 
 @never_cache
-def scans_list(request, pk):
-    bs = get_object_or_404(sources.models.BookSource, pk=pk)
+def scans_list(request, pks):
+    pks = pks.split(',')
+    bss = [
+        get_object_or_404(sources.models.BookSource, pk=pk)
+        for pk in pks
+    ]
     def map_to_url(filename):
         return quote(("%s/%s" % (settings.MEDIA_URL, filename)))
-    images = [
-        {
-            "url": map_to_url(f),
-        } for f in bs.get_view_files()
-    ]
+    images = []
+    for bs in bss:
+        images.extend([
+            {
+                "url": map_to_url(f),
+            } for f in bs.get_view_files()
+        ])
     return JSONResponse(images)