887 lines
28 KiB
Python
887 lines
28 KiB
Python
import json
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import mimetypes
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import os
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import re
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import socket
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from datetime import date, timedelta
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from http.client import InvalidURL
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from pathlib import Path
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from urllib.error import URLError
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth import logout as do_logout
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from django.contrib.auth import get_user_model
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from django.contrib.gis.measure import D
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from django.contrib.postgres.search import SearchQuery, SearchVector
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from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
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from django.core.signing import BadSignature, Signer
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from django.core.validators import URLValidator, ValidationError
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from django.db.models import Q
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from django.http import (
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HttpResponse,
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HttpResponseBadRequest,
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HttpResponseForbidden,
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HttpResponsePermanentRedirect,
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HttpResponseRedirect,
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)
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from django.middleware.gzip import re_accepts_gzip
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from django.shortcuts import get_object_or_404
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from django.urls import reverse, reverse_lazy
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from django.utils.encoding import smart_bytes
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from django.utils.http import http_date
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from django.utils.translation import gettext as _
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from django.utils.translation import to_locale
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from django.views.generic import DetailView, TemplateView, View
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from django.views.generic.base import RedirectView
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from django.views.generic.detail import BaseDetailView
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from django.views.generic.edit import CreateView, DeleteView, UpdateView
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from django.views.generic.list import ListView
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from .forms import (
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DEFAULT_LATITUDE,
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DEFAULT_LONGITUDE,
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DEFAULT_CENTER,
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AnonymousMapPermissionsForm,
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DataLayerForm,
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FlatErrorList,
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MapSettingsForm,
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UpdateMapPermissionsForm,
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)
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from .models import DataLayer, Licence, Map, Pictogram, Star, TileLayer
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from .utils import get_uri_template, gzip_file, is_ajax
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try:
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# python3
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from urllib.parse import urlparse
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from urllib.request import Request, build_opener
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from urllib.error import HTTPError
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except ImportError:
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from urlparse import urlparse
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from urllib2 import Request, HTTPError, build_opener
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User = get_user_model()
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PRIVATE_IP = re.compile(
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r"((^127\.)|(^10\.)"
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r"|(^172\.1[6-9]\.)"
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r"|(^172\.2[0-9]\.)"
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r"|(^172\.3[0-1]\.)"
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r"|(^192\.168\.))"
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)
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ANONYMOUS_COOKIE_MAX_AGE = 60 * 60 * 24 * 30 # One month
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class PaginatorMixin(object):
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per_page = 5
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def paginate(self, qs, per_page=None):
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paginator = Paginator(qs, per_page or self.per_page)
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page = self.request.GET.get("p")
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try:
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qs = paginator.page(page)
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except PageNotAnInteger:
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# If page is not an integer, deliver first page.
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qs = paginator.page(1)
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except EmptyPage:
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# If page is out of range (e.g. 9999), deliver last page of
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# results.
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qs = paginator.page(paginator.num_pages)
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return qs
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class Home(TemplateView, PaginatorMixin):
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template_name = "umap/home.html"
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list_template_name = "umap/map_list.html"
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def get_context_data(self, **kwargs):
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qs = Map.public
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if (
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settings.UMAP_EXCLUDE_DEFAULT_MAPS
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and "spatialite" not in settings.DATABASES["default"]["ENGINE"]
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):
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# Unsupported query type for sqlite.
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qs = qs.filter(center__distance_gt=(DEFAULT_CENTER, D(km=1)))
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demo_map = None
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if hasattr(settings, "UMAP_DEMO_PK"):
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try:
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demo_map = Map.public.get(pk=settings.UMAP_DEMO_PK)
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except Map.DoesNotExist:
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pass
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else:
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qs = qs.exclude(id=demo_map.pk)
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showcase_map = None
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if hasattr(settings, "UMAP_SHOWCASE_PK"):
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try:
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showcase_map = Map.public.get(pk=settings.UMAP_SHOWCASE_PK)
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except Map.DoesNotExist:
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pass
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else:
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qs = qs.exclude(id=showcase_map.pk)
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maps = qs.order_by("-modified_at")[:50]
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maps = self.paginate(maps, settings.UMAP_MAPS_PER_PAGE)
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return {
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"maps": maps,
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"demo_map": demo_map,
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"showcase_map": showcase_map,
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}
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def get_template_names(self):
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"""
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Dispatch template according to the kind of request: ajax or normal.
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"""
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if is_ajax(self.request):
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return [self.list_template_name]
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else:
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return [self.template_name]
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home = Home.as_view()
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class About(Home):
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template_name = "umap/about.html"
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about = About.as_view()
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class UserMaps(DetailView, PaginatorMixin):
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model = User
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slug_url_kwarg = "username"
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slug_field = "username"
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list_template_name = "umap/map_list.html"
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context_object_name = "current_user"
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def is_owner(self):
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return self.request.user == self.object
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@property
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def per_page(self):
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if self.is_owner():
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return settings.UMAP_MAPS_PER_PAGE_OWNER
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return settings.UMAP_MAPS_PER_PAGE
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def get_map_queryset(self):
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return Map.objects if self.is_owner() else Map.public
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def get_maps(self):
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qs = self.get_map_queryset()
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qs = qs.filter(Q(owner=self.object) | Q(editors=self.object))
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return qs.distinct().order_by("-modified_at")
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def get_context_data(self, **kwargs):
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kwargs.update({"maps": self.paginate(self.get_maps(), self.per_page)})
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return super().get_context_data(**kwargs)
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def get_template_names(self):
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"""
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Dispatch template according to the kind of request: ajax or normal.
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"""
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if is_ajax(self.request):
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return [self.list_template_name]
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else:
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return super(UserMaps, self).get_template_names()
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user_maps = UserMaps.as_view()
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class UserStars(UserMaps):
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template_name = "auth/user_stars.html"
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def get_maps(self):
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qs = self.get_map_queryset()
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stars = Star.objects.filter(by=self.object).values("map")
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qs = qs.filter(pk__in=stars)
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return qs.order_by("-modified_at")
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user_stars = UserStars.as_view()
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class Search(TemplateView, PaginatorMixin):
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template_name = "umap/search.html"
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list_template_name = "umap/map_list.html"
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def get_context_data(self, **kwargs):
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q = self.request.GET.get("q")
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results = []
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if q:
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vector = SearchVector("name", config=settings.UMAP_SEARCH_CONFIGURATION)
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query = SearchQuery(
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q, config=settings.UMAP_SEARCH_CONFIGURATION, search_type="websearch"
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)
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qs = Map.objects.annotate(search=vector).filter(search=query)
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qs = qs.filter(share_status=Map.PUBLIC).order_by("-modified_at")
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results = self.paginate(qs)
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kwargs.update({"maps": results, "q": q})
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return kwargs
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def get_template_names(self):
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"""
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Dispatch template according to the kind of request: ajax or normal.
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"""
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if is_ajax(self.request):
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return [self.list_template_name]
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else:
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return super(Search, self).get_template_names()
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search = Search.as_view()
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class MapsShowCase(View):
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def get(self, *args, **kwargs):
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maps = Map.public.filter(center__distance_gt=(DEFAULT_CENTER, D(km=1)))
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maps = maps.order_by("-modified_at")[:2500]
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def make(m):
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description = m.description or ""
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if m.owner:
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description = "{description}\n{by} [[{url}|{name}]]".format(
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description=description,
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by=_("by"),
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url=reverse("user_maps", kwargs={"username": m.owner.username}),
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name=m.owner,
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)
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description = "{}\n[[{}|{}]]".format(
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description, m.get_absolute_url(), _("View the map")
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)
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geometry = m.settings.get("geometry", json.loads(m.center.geojson))
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return {
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"type": "Feature",
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"geometry": geometry,
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"properties": {"name": m.name, "description": description},
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}
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geojson = {"type": "FeatureCollection", "features": [make(m) for m in maps]}
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return HttpResponse(smart_bytes(json.dumps(geojson)))
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showcase = MapsShowCase.as_view()
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def validate_url(request):
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assert request.method == "GET"
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assert is_ajax(request)
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url = request.GET.get("url")
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assert url
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try:
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URLValidator(url)
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except ValidationError:
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raise AssertionError()
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assert "HTTP_REFERER" in request.META
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referer = urlparse(request.META.get("HTTP_REFERER"))
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toproxy = urlparse(url)
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local = urlparse(settings.SITE_URL)
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assert toproxy.hostname
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assert referer.hostname == local.hostname
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assert toproxy.hostname != "localhost"
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assert toproxy.netloc != local.netloc
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try:
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# clean this when in python 3.4
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ipaddress = socket.gethostbyname(toproxy.hostname)
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except:
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raise AssertionError()
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assert not PRIVATE_IP.match(ipaddress)
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return url
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class AjaxProxy(View):
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def get(self, *args, **kwargs):
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# You should not use this in production (use Nginx or so)
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try:
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url = validate_url(self.request)
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except AssertionError:
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return HttpResponseBadRequest()
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headers = {"User-Agent": "uMapProxy +http://wiki.openstreetmap.org/wiki/UMap"}
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request = Request(url, headers=headers)
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opener = build_opener()
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try:
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proxied_request = opener.open(request)
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except HTTPError as e:
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return HttpResponse(e.msg, status=e.code, content_type="text/plain")
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except URLError:
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return HttpResponseBadRequest("URL error")
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except InvalidURL:
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return HttpResponseBadRequest("Invalid URL")
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else:
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status_code = proxied_request.code
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mimetype = proxied_request.headers.get(
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"Content-Type"
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) or mimetypes.guess_type(
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url
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) # noqa
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content = proxied_request.read()
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# Quick hack to prevent Django from adding a Vary: Cookie header
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self.request.session.accessed = False
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response = HttpResponse(content, status=status_code, content_type=mimetype)
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try:
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ttl = int(self.request.GET.get("ttl"))
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except (TypeError, ValueError):
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pass
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else:
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response["X-Accel-Expires"] = ttl
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return response
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ajax_proxy = AjaxProxy.as_view()
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# ############## #
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# Utils #
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# ############## #
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def _urls_for_js(urls=None):
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"""
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Return templated URLs prepared for javascript.
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"""
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if urls is None:
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# prevent circular import
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from .urls import urlpatterns, i18n_urls
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urls = [
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url.name for url in urlpatterns + i18n_urls if getattr(url, "name", None)
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]
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urls = dict(zip(urls, [get_uri_template(url) for url in urls]))
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urls.update(getattr(settings, "UMAP_EXTRA_URLS", {}))
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return urls
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def simple_json_response(**kwargs):
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return HttpResponse(json.dumps(kwargs))
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# ############## #
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# Map #
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# ############## #
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class FormLessEditMixin:
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http_method_names = [
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"post",
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]
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def form_invalid(self, form):
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return simple_json_response(errors=form.errors, error=str(form.errors))
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def get_form(self, form_class=None):
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kwargs = self.get_form_kwargs()
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kwargs["error_class"] = FlatErrorList
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return self.get_form_class()(**kwargs)
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class MapDetailMixin:
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model = Map
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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properties = {
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"urls": _urls_for_js(),
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"tilelayers": TileLayer.get_list(),
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"allowEdit": self.is_edit_allowed(),
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"default_iconUrl": "%sumap/img/marker.png" % settings.STATIC_URL, # noqa
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"umap_id": self.get_umap_id(),
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"starred": self.is_starred(),
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"licences": dict((l.name, l.json) for l in Licence.objects.all()),
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"edit_statuses": [(i, str(label)) for i, label in Map.EDIT_STATUS],
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"share_statuses": [
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(i, str(label)) for i, label in Map.SHARE_STATUS if i != Map.BLOCKED
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],
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"anonymous_edit_statuses": [
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(i, str(label)) for i, label in AnonymousMapPermissionsForm.STATUS
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],
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}
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if self.get_short_url():
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properties["shortUrl"] = self.get_short_url()
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if settings.USE_I18N:
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locale = settings.LANGUAGE_CODE
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# Check attr in case the middleware is not active
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if hasattr(self.request, "LANGUAGE_CODE"):
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locale = self.request.LANGUAGE_CODE
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locale = to_locale(locale)
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properties["locale"] = locale
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context["locale"] = locale
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user = self.request.user
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if not user.is_anonymous:
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properties["user"] = {
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"id": user.pk,
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"name": user.get_username(),
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"url": reverse(settings.USER_MAPS_URL, args=(user.get_username(),)),
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}
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map_settings = self.get_geojson()
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if "properties" not in map_settings:
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map_settings["properties"] = {}
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map_settings["properties"].update(properties)
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map_settings["properties"]["datalayers"] = self.get_datalayers()
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context["map_settings"] = json.dumps(map_settings, indent=settings.DEBUG)
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return context
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def get_datalayers(self):
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return []
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def is_edit_allowed(self):
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return True
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def get_umap_id(self):
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return None
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def is_starred(self):
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return False
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def get_geojson(self):
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return {
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"geometry": {
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"coordinates": [DEFAULT_LONGITUDE, DEFAULT_LATITUDE],
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"type": "Point",
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},
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"properties": {
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"zoom": getattr(settings, "LEAFLET_ZOOM", 6),
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"datalayers": [],
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},
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}
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def get_short_url(self):
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return None
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class PermissionsMixin:
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def get_permissions(self):
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permissions = {}
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permissions["edit_status"] = self.object.edit_status
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permissions["share_status"] = self.object.share_status
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if self.object.owner:
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permissions["owner"] = {
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"id": self.object.owner.pk,
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"name": self.object.owner.get_username(),
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"url": reverse(
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settings.USER_MAPS_URL, args=(self.object.owner.get_username(),)
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),
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}
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permissions["editors"] = [
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{
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"id": editor.pk,
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"name": editor.get_username(),
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}
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for editor in self.object.editors.all()
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]
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if not self.object.owner and self.object.is_anonymous_owner(self.request):
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permissions["anonymous_edit_url"] = self.get_anonymous_edit_url()
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return permissions
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def get_anonymous_edit_url(self):
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anonymous_url = self.object.get_anonymous_edit_url()
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return settings.SITE_URL + anonymous_url
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class MapView(MapDetailMixin, PermissionsMixin, DetailView):
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def get(self, request, *args, **kwargs):
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self.object = self.get_object()
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canonical = self.get_canonical_url()
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if not request.path == canonical:
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if request.META.get("QUERY_STRING"):
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canonical = "?".join([canonical, request.META["QUERY_STRING"]])
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return HttpResponsePermanentRedirect(canonical)
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if not self.object.can_view(request):
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return HttpResponseForbidden()
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return super(MapView, self).get(request, *args, **kwargs)
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def get_canonical_url(self):
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return self.object.get_absolute_url()
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def get_datalayers(self):
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datalayers = DataLayer.objects.filter(map=self.object)
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return [l.metadata for l in datalayers]
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def is_edit_allowed(self):
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return self.object.can_edit(self.request.user, self.request)
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def get_umap_id(self):
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return self.object.pk
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def get_short_url(self):
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shortUrl = None
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if hasattr(settings, "SHORT_SITE_URL"):
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short_path = reverse_lazy("map_short_url", kwargs={"pk": self.object.pk})
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shortUrl = "%s%s" % (settings.SHORT_SITE_URL, short_path)
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return shortUrl
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def get_geojson(self):
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map_settings = self.object.settings
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if "properties" not in map_settings:
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map_settings["properties"] = {}
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map_settings["properties"]["name"] = self.object.name
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map_settings["properties"]["permissions"] = self.get_permissions()
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return map_settings
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def is_starred(self):
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user = self.request.user
|
||
if not user.is_authenticated:
|
||
return False
|
||
return Star.objects.filter(by=user, map=self.object).exists()
|
||
|
||
|
||
class MapViewGeoJSON(MapView):
|
||
def get_canonical_url(self):
|
||
return reverse("map_geojson", args=(self.object.pk,))
|
||
|
||
def render_to_response(self, context, *args, **kwargs):
|
||
return HttpResponse(context["map_settings"], content_type="application/json")
|
||
|
||
|
||
class MapNew(MapDetailMixin, TemplateView):
|
||
template_name = "umap/map_detail.html"
|
||
|
||
|
||
class MapCreate(FormLessEditMixin, PermissionsMixin, CreateView):
|
||
model = Map
|
||
form_class = MapSettingsForm
|
||
|
||
def form_valid(self, form):
|
||
if self.request.user.is_authenticated:
|
||
form.instance.owner = self.request.user
|
||
self.object = form.save()
|
||
anonymous_url = self.get_anonymous_edit_url()
|
||
if not self.request.user.is_authenticated:
|
||
msg = _(
|
||
"Your map has been created! If you want to edit this map from "
|
||
"another computer, please use this link: %(anonymous_url)s"
|
||
% {"anonymous_url": anonymous_url}
|
||
)
|
||
else:
|
||
msg = _("Congratulations, your map has been created!")
|
||
permissions = self.get_permissions()
|
||
# User does not have the cookie yet.
|
||
permissions["anonymous_edit_url"] = anonymous_url
|
||
response = simple_json_response(
|
||
id=self.object.pk,
|
||
url=self.object.get_absolute_url(),
|
||
permissions=permissions,
|
||
info=msg,
|
||
)
|
||
if not self.request.user.is_authenticated:
|
||
key, value = self.object.signed_cookie_elements
|
||
response.set_signed_cookie(
|
||
key=key, value=value, max_age=ANONYMOUS_COOKIE_MAX_AGE
|
||
)
|
||
return response
|
||
|
||
|
||
class MapUpdate(FormLessEditMixin, PermissionsMixin, UpdateView):
|
||
model = Map
|
||
form_class = MapSettingsForm
|
||
pk_url_kwarg = "map_id"
|
||
|
||
def form_valid(self, form):
|
||
self.object.settings = form.cleaned_data["settings"]
|
||
self.object.save()
|
||
return simple_json_response(
|
||
id=self.object.pk,
|
||
url=self.object.get_absolute_url(),
|
||
permissions=self.get_permissions(),
|
||
info=_("Map has been updated!"),
|
||
)
|
||
|
||
|
||
class UpdateMapPermissions(FormLessEditMixin, UpdateView):
|
||
model = Map
|
||
pk_url_kwarg = "map_id"
|
||
|
||
def get_form_class(self):
|
||
if self.object.owner:
|
||
return UpdateMapPermissionsForm
|
||
else:
|
||
return AnonymousMapPermissionsForm
|
||
|
||
def get_form(self, form_class=None):
|
||
form = super().get_form(form_class)
|
||
user = self.request.user
|
||
if self.object.owner and not user == self.object.owner:
|
||
del form.fields["edit_status"]
|
||
del form.fields["share_status"]
|
||
del form.fields["owner"]
|
||
return form
|
||
|
||
def form_valid(self, form):
|
||
self.object = form.save()
|
||
return simple_json_response(info=_("Map editors updated with success!"))
|
||
|
||
|
||
class AttachAnonymousMap(View):
|
||
def post(self, *args, **kwargs):
|
||
self.object = kwargs["map_inst"]
|
||
if (
|
||
self.object.owner
|
||
or not self.object.is_anonymous_owner(self.request)
|
||
or not self.object.can_edit(self.request.user, self.request)
|
||
or not self.request.user.is_authenticated
|
||
):
|
||
return HttpResponseForbidden()
|
||
self.object.owner = self.request.user
|
||
self.object.save()
|
||
return simple_json_response()
|
||
|
||
|
||
class MapDelete(DeleteView):
|
||
model = Map
|
||
pk_url_kwarg = "map_id"
|
||
|
||
def form_valid(self, form):
|
||
self.object = self.get_object()
|
||
if self.object.owner and self.request.user != self.object.owner:
|
||
return HttpResponseForbidden(_("Only its owner can delete the map."))
|
||
if not self.object.owner and not self.object.is_anonymous_owner(self.request):
|
||
return HttpResponseForbidden()
|
||
self.object.delete()
|
||
return simple_json_response(redirect="/")
|
||
|
||
|
||
class MapClone(PermissionsMixin, View):
|
||
def post(self, *args, **kwargs):
|
||
if (
|
||
not getattr(settings, "UMAP_ALLOW_ANONYMOUS", False)
|
||
and not self.request.user.is_authenticated
|
||
):
|
||
return HttpResponseForbidden()
|
||
owner = self.request.user if self.request.user.is_authenticated else None
|
||
self.object = kwargs["map_inst"].clone(owner=owner)
|
||
response = simple_json_response(redirect=self.object.get_absolute_url())
|
||
if not self.request.user.is_authenticated:
|
||
key, value = self.object.signed_cookie_elements
|
||
response.set_signed_cookie(
|
||
key=key, value=value, max_age=ANONYMOUS_COOKIE_MAX_AGE
|
||
)
|
||
msg = _(
|
||
"Your map has been cloned! If you want to edit this map from "
|
||
"another computer, please use this link: %(anonymous_url)s"
|
||
% {"anonymous_url": self.get_anonymous_edit_url()}
|
||
)
|
||
else:
|
||
msg = _("Congratulations, your map has been cloned!")
|
||
messages.info(self.request, msg)
|
||
return response
|
||
|
||
|
||
class ToggleMapStarStatus(View):
|
||
def post(self, *args, **kwargs):
|
||
map_inst = get_object_or_404(Map, pk=kwargs["map_id"])
|
||
qs = Star.objects.filter(map=map_inst, by=self.request.user)
|
||
if qs.exists():
|
||
qs.delete()
|
||
status = False
|
||
else:
|
||
Star.objects.create(map=map_inst, by=self.request.user)
|
||
status = True
|
||
return simple_json_response(starred=status)
|
||
|
||
|
||
class MapShortUrl(RedirectView):
|
||
query_string = True
|
||
permanent = True
|
||
|
||
def get_redirect_url(self, **kwargs):
|
||
map_inst = get_object_or_404(Map, pk=kwargs["pk"])
|
||
url = map_inst.get_absolute_url()
|
||
if self.query_string:
|
||
args = self.request.META.get("QUERY_STRING", "")
|
||
if args:
|
||
url = "%s?%s" % (url, args)
|
||
return url
|
||
|
||
|
||
class MapAnonymousEditUrl(RedirectView):
|
||
permanent = False
|
||
|
||
def get(self, request, *args, **kwargs):
|
||
signer = Signer()
|
||
try:
|
||
pk = signer.unsign(self.kwargs["signature"])
|
||
except BadSignature:
|
||
signer = Signer(algorithm="sha1")
|
||
try:
|
||
pk = signer.unsign(self.kwargs["signature"])
|
||
except BadSignature:
|
||
return HttpResponseForbidden()
|
||
|
||
map_inst = get_object_or_404(Map, pk=pk)
|
||
url = map_inst.get_absolute_url()
|
||
response = HttpResponseRedirect(url)
|
||
if not map_inst.owner:
|
||
key, value = map_inst.signed_cookie_elements
|
||
response.set_signed_cookie(
|
||
key=key, value=value, max_age=ANONYMOUS_COOKIE_MAX_AGE
|
||
)
|
||
return response
|
||
|
||
|
||
# ############## #
|
||
# DataLayer #
|
||
# ############## #
|
||
|
||
|
||
class GZipMixin(object):
|
||
EXT = ".gz"
|
||
|
||
@property
|
||
def path(self):
|
||
return self.object.geojson.path
|
||
|
||
@property
|
||
def last_modified(self):
|
||
stat = os.stat(self.path)
|
||
return http_date(stat.st_mtime)
|
||
|
||
|
||
class DataLayerView(GZipMixin, BaseDetailView):
|
||
model = DataLayer
|
||
|
||
def render_to_response(self, context, **response_kwargs):
|
||
response = None
|
||
path = self.path
|
||
# Generate gzip if needed
|
||
accepts_gzip = re_accepts_gzip.search(
|
||
self.request.META.get("HTTP_ACCEPT_ENCODING", "")
|
||
)
|
||
if accepts_gzip and settings.UMAP_GZIP:
|
||
gzip_path = Path(f"{path}{self.EXT}")
|
||
if not gzip_path.exists():
|
||
gzip_file(path, gzip_path)
|
||
|
||
if getattr(settings, "UMAP_XSENDFILE_HEADER", None):
|
||
response = HttpResponse()
|
||
path = path.replace(settings.MEDIA_ROOT, "/internal")
|
||
response[settings.UMAP_XSENDFILE_HEADER] = path
|
||
else:
|
||
# Do not use in production
|
||
# (no gzip/cache-control/If-Modified-Since/If-None-Match)
|
||
statobj = os.stat(path)
|
||
with open(path, "rb") as f:
|
||
# Should not be used in production!
|
||
response = HttpResponse(f.read(), content_type="application/geo+json")
|
||
response["Last-Modified"] = self.last_modified
|
||
response["Content-Length"] = statobj.st_size
|
||
return response
|
||
|
||
|
||
class DataLayerVersion(DataLayerView):
|
||
@property
|
||
def path(self):
|
||
return "{root}/{path}".format(
|
||
root=settings.MEDIA_ROOT,
|
||
path=self.object.get_version_path(self.kwargs["name"]),
|
||
)
|
||
|
||
|
||
class DataLayerCreate(FormLessEditMixin, GZipMixin, CreateView):
|
||
model = DataLayer
|
||
form_class = DataLayerForm
|
||
|
||
def form_valid(self, form):
|
||
form.instance.map = self.kwargs["map_inst"]
|
||
self.object = form.save()
|
||
# Simple response with only metadatas (including new id)
|
||
response = simple_json_response(**self.object.metadata)
|
||
response["Last-Modified"] = self.last_modified
|
||
return response
|
||
|
||
|
||
class DataLayerUpdate(FormLessEditMixin, GZipMixin, UpdateView):
|
||
model = DataLayer
|
||
form_class = DataLayerForm
|
||
|
||
def form_valid(self, form):
|
||
self.object = form.save()
|
||
# Simple response with only metadatas (client should not reload all data
|
||
# on save)
|
||
response = simple_json_response(**self.object.metadata)
|
||
response["Last-Modified"] = self.last_modified
|
||
return response
|
||
|
||
def is_unmodified(self):
|
||
"""Optimistic concurrency control."""
|
||
modified = True
|
||
if_unmodified = self.request.META.get("HTTP_IF_UNMODIFIED_SINCE")
|
||
if if_unmodified:
|
||
if self.last_modified != if_unmodified:
|
||
modified = False
|
||
return modified
|
||
|
||
def post(self, request, *args, **kwargs):
|
||
self.object = self.get_object()
|
||
if self.object.map != self.kwargs["map_inst"]:
|
||
return HttpResponseForbidden()
|
||
if not self.is_unmodified():
|
||
return HttpResponse(status=412)
|
||
return super(DataLayerUpdate, self).post(request, *args, **kwargs)
|
||
|
||
|
||
class DataLayerDelete(DeleteView):
|
||
model = DataLayer
|
||
|
||
def form_valid(self, form):
|
||
self.object = self.get_object()
|
||
if self.object.map != self.kwargs["map_inst"]:
|
||
return HttpResponseForbidden()
|
||
self.object.delete()
|
||
return simple_json_response(info=_("Layer successfully deleted."))
|
||
|
||
|
||
class DataLayerVersions(BaseDetailView):
|
||
model = DataLayer
|
||
|
||
def render_to_response(self, context, **response_kwargs):
|
||
return simple_json_response(versions=self.object.versions)
|
||
|
||
|
||
# ############## #
|
||
# Picto #
|
||
# ############## #
|
||
|
||
|
||
class PictogramJSONList(ListView):
|
||
model = Pictogram
|
||
|
||
def render_to_response(self, context, **response_kwargs):
|
||
content = [p.json for p in Pictogram.objects.all()]
|
||
return simple_json_response(pictogram_list=content)
|
||
|
||
|
||
# ############## #
|
||
# Generic #
|
||
# ############## #
|
||
|
||
|
||
def stats(request):
|
||
last_week = date.today() - timedelta(days=7)
|
||
return simple_json_response(
|
||
**{
|
||
"maps_count": Map.objects.count(),
|
||
"maps_active_last_week_count": Map.objects.filter(
|
||
modified_at__gt=last_week
|
||
).count(),
|
||
"users_count": User.objects.count(),
|
||
"users_active_last_week_count": User.objects.filter(
|
||
last_login__gt=last_week
|
||
).count(),
|
||
}
|
||
)
|
||
|
||
|
||
def logout(request):
|
||
do_logout(request)
|
||
return simple_json_response(redirect="/")
|
||
|
||
|
||
class LoginPopupEnd(TemplateView):
|
||
"""
|
||
End of a loggin process in popup.
|
||
Basically close the popup.
|
||
"""
|
||
|
||
template_name = "umap/login_popup_end.html"
|