Reject interrupted requests.
[redakcja.git] / src / wiki / views.py
index e1ef6ae..e22c028 100644 (file)
@@ -1,24 +1,29 @@
-# -*- coding: utf-8 -*-
+# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 from datetime import datetime
+import json
 import os
 import logging
 from time import mktime
-import urllib
+from urllib.parse import quote
 
+from django.apps import apps
 from django.conf import settings
-from django.core.urlresolvers import reverse
+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.encoding import smart_unicode
 from django.utils.formats import localize
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
 from django.views.decorators.http import require_POST, require_GET
 from django.shortcuts import get_object_or_404, render
+from sorl.thumbnail import get_thumbnail
 
-from catalogue.models import Book, Chunk
-import nice_diff
+from documents.models import Book, Chunk
+import sources.models
+from . import nice_diff
 from wiki import forms
 from wiki.helpers import (JSONResponse, JSONFormInvalid, JSONServerError,
                 ajax_require_permission)
@@ -34,6 +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:
@@ -46,7 +55,7 @@ def editor(request, slug, chunk=None, template_name='wiki/document_details.html'
             try:
                 book = Book.objects.get(slug=slug)
             except Book.DoesNotExist:
-                return http.HttpResponseRedirect(reverse("catalogue_create_missing", args=[slug]))
+                return http.HttpResponseRedirect(reverse("documents_create_missing", args=[slug]))
         else:
             raise Http404
     if not chunk.book.accessible(request):
@@ -71,11 +80,22 @@ def editor(request, slug, chunk=None, template_name='wiki/document_details.html'
             "text_revert": forms.DocumentTextRevertForm(prefix="textrevert"),
             "pubmark": forms.DocumentPubmarkForm(prefix="pubmark"),
         },
-        'can_pubmark': request.user.has_perm('catalogue.can_pubmark'),
+        'can_pubmark': request.user.has_perm('documents.can_pubmark'),
         'REDMINE_URL': settings.REDMINE_URL,
     })
 
 
+def editor_user_area(request):
+    return render(request, 'wiki/editor-user-area.html', {
+        'forms': {
+            "text_save": forms.DocumentTextSaveForm(user=request.user, prefix="textsave"),
+            "text_revert": forms.DocumentTextRevertForm(prefix="textrevert"),
+            "pubmark": forms.DocumentPubmarkForm(prefix="pubmark"),
+        },
+        'can_pubmark': request.user.has_perm('documents.can_pubmark'),
+    })
+
+
 @require_GET
 def editor_readonly(request, slug, chunk=None, template_name='wiki/document_details_readonly.html'):
     try:
@@ -114,9 +134,23 @@ 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():
+            if request.user.is_authenticated:
                 author = request.user
             else:
                 author = None
@@ -129,7 +163,7 @@ def text(request, chunk_id):
             stage = form.cleaned_data['stage_completed']
             tags = [stage] if stage else []
             publishable = (form.cleaned_data['publishable'] and
-                    request.user.has_perm('catalogue.can_pubmark'))
+                    request.user.has_perm('documents.can_pubmark'))
             doc.commit(author=author,
                        text=text,
                        parent=parent,
@@ -181,7 +215,7 @@ def revert(request, chunk_id):
         comment = form.cleaned_data['comment']
         comment += "\n#revert to %s" % revision
 
-        if request.user.is_authenticated():
+        if request.user.is_authenticated:
             author = request.user
         else:
             author = None
@@ -203,35 +237,52 @@ def revert(request, chunk_id):
 def gallery(request, directory):
     try:
         base_url = ''.join((
-                        smart_unicode(settings.MEDIA_URL),
-                        smart_unicode(settings.IMAGE_DIR),
-                        smart_unicode(directory)))
+                        settings.MEDIA_URL,
+                        settings.IMAGE_DIR,
+                        directory))
 
         base_dir = os.path.join(
-                    smart_unicode(settings.MEDIA_ROOT),
-                    smart_unicode(settings.IMAGE_DIR),
-                    smart_unicode(directory))
+                    settings.MEDIA_ROOT,
+                    settings.IMAGE_DIR,
+                    directory)
 
         def map_to_url(filename):
-            return urllib.quote(("%s/%s" % (base_url, smart_unicode(filename))).encode('utf-8'))
+            return quote(("%s/%s" % (base_url, filename)))
 
         def is_image(filename):
             return os.path.splitext(filename)[1].lower() in (u'.jpg', u'.jpeg', u'.png')
 
-        images = [map_to_url(f) for f in map(smart_unicode, os.listdir(base_dir)) if is_image(f)]
-        images.sort()
-
         books = Book.objects.filter(gallery=directory)
 
-        if not all(book.public for book in books) and not request.user.is_authenticated():
+        if not all(book.public for book in books) and not request.user.is_authenticated:
             return HttpResponseForbidden("Not authorized.")
 
+        images = [
+            {
+                "url": map_to_url(f),
+                "thumb": get_thumbnail(os.path.join(base_dir, f), '120x120').url
+            } for f in sorted(os.listdir(base_dir)) if is_image(f)
+        ]
+
         return JSONResponse(images)
     except (IndexError, OSError):
         logger.exception("Unable to fetch gallery")
         raise http.Http404
 
 
+@never_cache
+def scans_list(request, pk):
+    bs = get_object_or_404(sources.models.BookSource, pk=pk)
+    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()
+    ]
+    return JSONResponse(images)
+
+
 @never_cache
 def diff(request, chunk_id):
     revA = int(request.GET.get('from', 0))
@@ -263,6 +314,8 @@ def revision(request, chunk_id):
     doc = get_object_or_404(Chunk, pk=chunk_id)
     if not doc.book.accessible(request):
         return HttpResponseForbidden("Not authorized.")
+    Presence = apps.get_model('team', 'Presence')
+    Presence.report(request.user, doc, request.GET.get('a') == 'true')
     return http.HttpResponse(str(doc.revision()))
 
 
@@ -273,15 +326,22 @@ def history(request, chunk_id):
     if not doc.book.accessible(request):
         return HttpResponseForbidden("Not authorized.")
 
+    history = doc.history()
+    try:
+        before = int(request.GET.get('before'))
+    except:
+        pass
+    else:
+        history = history.filter(revision__lt=before)
     changes = []
-    for change in doc.history().reverse():
+    for change in history.reverse()[:20]:
         changes.append({
                 "version": change.revision,
                 "description": change.description,
                 "author": change.author_str(),
                 "date": localize(change.created_at),
-                "publishable": _("Publishable") + "\n" if change.publishable else "",
-                "tag": ',\n'.join(unicode(tag) for tag in change.tags.all()),
+                "publishable": change.publishable,
+                "tag": ',\n'.join(str(tag) for tag in change.tags.all()),
                 "published": _("Published") + ": " + \
                     localize(change.publish_log.order_by('-book_record__timestamp')[0].book_record.timestamp) \
                     if change.publish_log.exists() else "",
@@ -290,7 +350,7 @@ def history(request, chunk_id):
 
 
 @require_POST
-@ajax_require_permission('catalogue.can_pubmark')
+@ajax_require_permission('documents.can_pubmark')
 def pubmark(request, chunk_id):
     form = forms.DocumentPubmarkForm(request.POST, prefix="pubmark")
     if form.is_valid():
@@ -310,6 +370,40 @@ def pubmark(request, chunk_id):
         return JSONFormInvalid(form)
 
 
+@require_POST
+@ajax_require_permission('documents.book_edit')
+def set_gallery(request, chunk_id):
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    book = doc.book
+    book.gallery = request.POST['gallery']
+    book.save(update_fields=['gallery'])
+    return JSONResponse({})
+
+@require_POST
+@ajax_require_permission('documents.chunk_edit')
+def set_gallery_start(request, chunk_id):
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    doc.gallery_start = request.POST['start']
+    doc.save(update_fields=['gallery_start'])
+    return JSONResponse({})
+
+@ajax_require_permission('documents.chunk_edit')
+def galleries(request):
+    return JSONResponse(
+        sorted(
+            os.listdir(
+                os.path.join(
+                    settings.MEDIA_ROOT,
+                    settings.IMAGE_DIR,
+                )
+            )
+        )
+    )
+
 def themes(request):
     prefix = request.GET.get('q', '')
     return http.HttpResponse('\n'.join([str(t) for t in Theme.objects.filter(name__istartswith=prefix)]))
+
+
+def back(request):
+    return render(request, 'wiki/back.html')