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views.py
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views.py
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# -*- coding: utf-8 -*-
#########################################################################
#
# Copyright (C) 2016 OSGeo
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#########################################################################
import six
import math
import logging
import traceback
from urllib.parse import quote, urlsplit
from itertools import chain
from guardian.shortcuts import get_perms
from django.contrib.auth.decorators import login_required
from django.core.exceptions import ObjectDoesNotExist
from django.urls import reverse
from django.shortcuts import render, redirect
from django.core.exceptions import PermissionDenied
from django.core.serializers.json import DjangoJSONEncoder
from django.http import (
HttpResponse, HttpResponseRedirect,
HttpResponseNotAllowed, HttpResponseServerError, Http404)
from django.conf import settings
from django.utils.translation import ugettext as _
from django.views.decorators.http import require_http_methods
import json
from django.utils.html import strip_tags
from django.db.models import F
from django.views.decorators.clickjacking import (
xframe_options_exempt,
xframe_options_sameorigin)
from geonode.decorators import check_keyword_write_perms
from geonode.layers.models import Layer
from geonode.maps.models import Map, MapLayer
from geonode.layers.views import _resolve_layer
from geonode.utils import (
DEFAULT_TITLE,
DEFAULT_ABSTRACT,
build_social_links,
http_client,
forward_mercator,
bbox_to_projection,
default_map_config,
resolve_object,
check_ogc_backend)
from geonode.maps.forms import MapForm
from geonode.security.views import _perms_info_json
from geonode.base.forms import CategoryForm, TKeywordForm
from geonode.base.models import (
Thesaurus,
TopicCategory)
from geonode import geoserver, qgis_server
from geonode.groups.models import GroupProfile
from geonode.base.auth import get_or_create_token
from geonode.documents.models import get_related_documents
from geonode.people.forms import ProfileForm
from geonode.base.views import batch_modify
from .tasks import delete_map
from geonode.monitoring import register_event
from geonode.monitoring.models import EventType
from requests.compat import urljoin
from deprecated import deprecated
from dal import autocomplete
from geonode.base.utils import ManageResourceOwnerPermissions
if check_ogc_backend(geoserver.BACKEND_PACKAGE):
# FIXME: The post service providing the map_status object
# should be moved to geonode.geoserver.
from geonode.geoserver.helpers import ogc_server_settings
from geonode.geoserver.helpers import (_render_thumbnail,
_prepare_thumbnail_body_from_opts)
elif check_ogc_backend(qgis_server.BACKEND_PACKAGE):
from geonode.qgis_server.helpers import ogc_server_settings
logger = logging.getLogger("geonode.maps.views")
DEFAULT_MAPS_SEARCH_BATCH_SIZE = 10
MAX_MAPS_SEARCH_BATCH_SIZE = 25
_PERMISSION_MSG_DELETE = _("You are not permitted to delete this map.")
_PERMISSION_MSG_GENERIC = _("You do not have permissions for this map.")
_PERMISSION_MSG_LOGIN = _("You must be logged in to save this map")
_PERMISSION_MSG_SAVE = _("You are not permitted to save or edit this map.")
_PERMISSION_MSG_METADATA = _(
"You are not allowed to modify this map's metadata.")
_PERMISSION_MSG_VIEW = _("You are not allowed to view this map.")
_PERMISSION_MSG_UNKNOWN = _("An unknown error has occured.")
def _resolve_map(request, id, permission='base.change_resourcebase',
msg=_PERMISSION_MSG_GENERIC, **kwargs):
'''
Resolve the Map by the provided typename and check the optional permission.
'''
if Map.objects.filter(urlsuffix=id).count() > 0:
key = 'urlsuffix'
else:
key = 'pk'
return resolve_object(request, Map, {key: id}, permission=permission,
permission_msg=msg, **kwargs)
# BASIC MAP VIEWS #
def map_detail(request, mapid, template='maps/map_detail.html'):
'''
The view that show details of each map
'''
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
permission_manager = ManageResourceOwnerPermissions(map_obj)
permission_manager.set_owner_permissions_according_to_workflow()
# Add metadata_author or poc if missing
map_obj.add_missing_metadata_author_or_poc()
# Update count for popularity ranking,
# but do not includes admins or resource owners
if request.user != map_obj.owner and not request.user.is_superuser:
Map.objects.filter(
id=map_obj.id).update(
popular_count=F('popular_count') + 1)
config = map_obj.viewer_json(request)
register_event(request, EventType.EVENT_VIEW, map_obj.title)
config = json.dumps(config)
layers = MapLayer.objects.filter(map=map_obj.id)
links = map_obj.link_set.download()
# Call this first in order to be sure "perms_list" is correct
permissions_json = _perms_info_json(map_obj)
perms_list = get_perms(
request.user,
map_obj.get_self_resource()) + get_perms(request.user, map_obj)
group = None
if map_obj.group:
try:
group = GroupProfile.objects.get(slug=map_obj.group.name)
except GroupProfile.DoesNotExist:
group = None
access_token = None
if request and request.user:
access_token = get_or_create_token(request.user)
if access_token and not access_token.is_expired():
access_token = access_token.token
else:
access_token = None
context_dict = {
'access_token': access_token,
'config': config,
'resource': map_obj,
'group': group,
'layers': layers,
'perms_list': perms_list,
'permissions_json': permissions_json,
"documents": get_related_documents(map_obj),
'links': links,
'preview': getattr(
settings,
'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY',
'mapstore'),
'crs': getattr(
settings,
'DEFAULT_MAP_CRS',
'EPSG:3857')
}
if settings.SOCIAL_ORIGINS:
context_dict["social_links"] = build_social_links(request, map_obj)
if request.user.is_authenticated:
if getattr(settings, 'FAVORITE_ENABLED', False):
from geonode.favorite.utils import get_favorite_info
context_dict["favorite_info"] = get_favorite_info(request.user, map_obj)
register_event(request, EventType.EVENT_VIEW, request.path)
return render(request, template, context=context_dict)
@login_required
@check_keyword_write_perms
def map_metadata(
request,
mapid,
template='maps/map_metadata.html',
ajax=True):
try:
map_obj = _resolve_map(
request,
mapid,
'base.change_resourcebase_metadata',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
# Add metadata_author or poc if missing
map_obj.add_missing_metadata_author_or_poc()
current_keywords = [keyword.name for keyword in map_obj.keywords.all()]
poc = map_obj.poc
metadata_author = map_obj.metadata_author
topic_category = map_obj.category
if request.method == "POST":
map_form = MapForm(request.POST, instance=map_obj, prefix="resource")
category_form = CategoryForm(request.POST, prefix="category_choice_field", initial=int(
request.POST["category_choice_field"]) if "category_choice_field" in request.POST and
request.POST["category_choice_field"] else None)
tkeywords_form = TKeywordForm(request.POST)
else:
map_form = MapForm(instance=map_obj, prefix="resource")
map_form.disable_keywords_widget_for_non_superuser(request.user)
category_form = CategoryForm(
prefix="category_choice_field",
initial=topic_category.id if topic_category else None)
# Keywords from THESAURUS management
map_tkeywords = map_obj.tkeywords.all()
tkeywords_list = ''
lang = 'en' # TODO: use user's language
if map_tkeywords and len(map_tkeywords) > 0:
tkeywords_ids = map_tkeywords.values_list('id', flat=True)
if hasattr(settings, 'THESAURUS') and settings.THESAURUS:
el = settings.THESAURUS
thesaurus_name = el['name']
try:
t = Thesaurus.objects.get(identifier=thesaurus_name)
for tk in t.thesaurus.filter(pk__in=tkeywords_ids):
tkl = tk.keyword.filter(lang=lang)
if len(tkl) > 0:
tkl_ids = ",".join(
map(str, tkl.values_list('id', flat=True)))
tkeywords_list += "," + \
tkl_ids if len(
tkeywords_list) > 0 else tkl_ids
except Exception:
tb = traceback.format_exc()
logger.error(tb)
tkeywords_form = TKeywordForm(instance=map_obj)
if request.method == "POST" and map_form.is_valid(
) and category_form.is_valid():
new_poc = map_form.cleaned_data['poc']
new_author = map_form.cleaned_data['metadata_author']
new_keywords = current_keywords if request.keyword_readonly else map_form.cleaned_data['keywords']
new_regions = map_form.cleaned_data['regions']
new_title = strip_tags(map_form.cleaned_data['title'])
new_abstract = strip_tags(map_form.cleaned_data['abstract'])
new_category = None
if category_form and 'category_choice_field' in category_form.cleaned_data and\
category_form.cleaned_data['category_choice_field']:
new_category = TopicCategory.objects.get(
id=int(category_form.cleaned_data['category_choice_field']))
if new_poc is None:
if poc is None:
poc_form = ProfileForm(
request.POST,
prefix="poc",
instance=poc)
else:
poc_form = ProfileForm(request.POST, prefix="poc")
if poc_form.has_changed and poc_form.is_valid():
new_poc = poc_form.save()
if new_author is None:
if metadata_author is None:
author_form = ProfileForm(request.POST, prefix="author",
instance=metadata_author)
else:
author_form = ProfileForm(request.POST, prefix="author")
if author_form.has_changed and author_form.is_valid():
new_author = author_form.save()
if new_poc is not None and new_author is not None:
map_obj.poc = new_poc
map_obj.metadata_author = new_author
map_obj.title = new_title
map_obj.abstract = new_abstract
map_obj.keywords.clear()
map_obj.keywords.add(*new_keywords)
map_obj.regions.clear()
map_obj.regions.add(*new_regions)
map_obj.category = new_category
map_obj.save(notify=True)
register_event(request, EventType.EVENT_CHANGE_METADATA, map_obj)
if not ajax:
return HttpResponseRedirect(
reverse(
'map_detail',
args=(
map_obj.id,
)))
message = map_obj.id
try:
# Keywords from THESAURUS management
# Rewritten to work with updated autocomplete
if not tkeywords_form.is_valid():
return HttpResponse(json.dumps({'message': "Invalid thesaurus keywords"}, status_code=400))
tkeywords_data = tkeywords_form.cleaned_data['tkeywords']
thesaurus_setting = getattr(settings, 'THESAURUS', None)
if thesaurus_setting:
tkeywords_data = tkeywords_data.filter(
thesaurus__identifier=thesaurus_setting['name']
)
map_obj.tkeywords.set(tkeywords_data)
except Exception:
tb = traceback.format_exc()
logger.error(tb)
return HttpResponse(json.dumps({'message': message}))
# - POST Request Ends here -
# Request.GET
if poc is None:
poc_form = ProfileForm(request.POST, prefix="poc")
else:
map_form.fields['poc'].initial = poc.id
poc_form = ProfileForm(prefix="poc")
poc_form.hidden = True
if metadata_author is None:
author_form = ProfileForm(request.POST, prefix="author")
else:
map_form.fields['metadata_author'].initial = metadata_author.id
author_form = ProfileForm(prefix="author")
author_form.hidden = True
config = map_obj.viewer_json(request)
layers = MapLayer.objects.filter(map=map_obj.id)
metadata_author_groups = []
if request.user.is_superuser or request.user.is_staff:
metadata_author_groups = GroupProfile.objects.all()
else:
try:
all_metadata_author_groups = chain(
request.user.group_list_all(),
GroupProfile.objects.exclude(access="private"))
except Exception:
all_metadata_author_groups = GroupProfile.objects.exclude(
access="private")
[metadata_author_groups.append(item) for item in all_metadata_author_groups
if item not in metadata_author_groups]
if settings.ADMIN_MODERATE_UPLOADS:
if not request.user.is_superuser:
can_change_metadata = request.user.has_perm(
'change_resourcebase_metadata',
map_obj.get_self_resource())
try:
is_manager = request.user.groupmember_set.all().filter(role='manager').exists()
except Exception:
is_manager = False
if not is_manager or not can_change_metadata:
if settings.RESOURCE_PUBLISHING:
map_form.fields['is_published'].widget.attrs.update(
{'disabled': 'true'})
map_form.fields['is_approved'].widget.attrs.update(
{'disabled': 'true'})
register_event(request, EventType.EVENT_VIEW_METADATA, map_obj)
return render(request, template, context={
"config": json.dumps(config),
"resource": map_obj,
"map": map_obj,
"map_form": map_form,
"poc_form": poc_form,
"author_form": author_form,
"category_form": category_form,
"tkeywords_form": tkeywords_form,
"layers": layers,
"preview": getattr(settings, 'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY', 'mapstore'),
"crs": getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857'),
"metadata_author_groups": metadata_author_groups,
"TOPICCATEGORY_MANDATORY": getattr(settings, 'TOPICCATEGORY_MANDATORY', False),
"GROUP_MANDATORY_RESOURCES": getattr(settings, 'GROUP_MANDATORY_RESOURCES', False),
})
@login_required
def map_metadata_advanced(request, mapid):
return map_metadata(
request,
mapid,
template='maps/map_metadata_advanced.html')
@login_required
def map_remove(request, mapid, template='maps/map_remove.html'):
''' Delete a map, and its constituent layers. '''
try:
map_obj = _resolve_map(
request,
mapid,
'base.delete_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
if request.method == 'GET':
return render(request, template, context={
"map": map_obj
})
elif request.method == 'POST':
if getattr(settings, 'SLACK_ENABLED', False):
slack_message = None
try:
from geonode.contrib.slack.utils import build_slack_message_map
slack_message = build_slack_message_map("map_delete", map_obj)
except Exception:
logger.error("Could not build slack message for delete map.")
delete_map.apply_async((map_obj.id, ))
try:
from geonode.contrib.slack.utils import send_slack_messages
send_slack_messages(slack_message)
except Exception:
logger.error("Could not send slack message for delete map.")
else:
delete_map.apply_async((map_obj.id, ))
register_event(request, EventType.EVENT_REMOVE, map_obj)
return HttpResponseRedirect(reverse("maps_browse"))
@xframe_options_exempt
def map_embed(
request,
mapid=None,
template='maps/map_embed.html'):
if mapid is None:
config = default_map_config(request)[0]
else:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
config = map_obj.viewer_json(request)
register_event(request, EventType.EVENT_VIEW, map_obj)
return render(request, template, context={
'config': json.dumps(config)
})
# MAPS VIEWER #
@require_http_methods(["GET", ])
def add_layer(request):
"""
The view that returns the map composer opened to
a given map and adds a layer on top of it.
"""
map_id = request.GET.get('map_id')
layer_name = request.GET.get('layer_name')
try:
map_obj = _resolve_map(
request,
map_id,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
return map_view(request, str(map_obj.id), layer_name=layer_name)
@xframe_options_sameorigin
def map_view(request, mapid, layer_name=None,
template='maps/map_view.html'):
"""
The view that returns the map composer opened to
the map with the given map ID.
"""
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
config = map_obj.viewer_json(request)
if layer_name:
config = add_layers_to_map_config(
request, map_obj, (layer_name, ), False)
register_event(request, EventType.EVENT_VIEW, request.path)
return render(request, template, context={
'config': json.dumps(config),
'map': map_obj,
'preview': getattr(
settings,
'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY',
'mapstore')
})
def map_view_js(request, mapid):
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
config = map_obj.viewer_json(request)
return HttpResponse(
json.dumps(config),
content_type="application/javascript")
def map_json(request, mapid):
if request.method == 'GET':
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
return HttpResponse(
json.dumps(
map_obj.viewer_json(request)))
elif request.method == 'PUT':
if not request.user.is_authenticated:
return HttpResponse(
_PERMISSION_MSG_LOGIN,
status=401,
content_type="text/plain"
)
map_obj = Map.objects.get(id=mapid)
if not request.user.has_perm(
'change_resourcebase',
map_obj.get_self_resource()):
return HttpResponse(
_PERMISSION_MSG_SAVE,
status=401,
content_type="text/plain"
)
try:
map_obj.update_from_viewer(request.body, context={'request': request, 'mapId': mapid, 'map': map_obj})
register_event(request, EventType.EVENT_CHANGE, map_obj)
return HttpResponse(
json.dumps(
map_obj.viewer_json(request)))
except ValueError as e:
return HttpResponse(
"The server could not understand the request." + str(e),
content_type="text/plain",
status=400
)
@xframe_options_sameorigin
def map_edit(request, mapid, template='maps/map_edit.html'):
"""
The view that returns the map composer opened to
the map with the given map ID.
"""
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase',
_PERMISSION_MSG_VIEW)
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
config = map_obj.viewer_json(request)
return render(request, template, context={
'mapId': mapid,
'config': json.dumps(config),
'map': map_obj,
'preview': getattr(
settings,
'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY',
'mapstore')
})
# NEW MAPS #
def clean_config(conf):
if isinstance(conf, six.string_types):
config = json.loads(conf)
config_extras = [
"tools",
"rest",
"homeUrl",
"localGeoServerBaseUrl",
"localCSWBaseUrl",
"csrfToken",
"db_datastore",
"authorizedRoles"]
for config_item in config_extras:
if config_item in config:
del config[config_item]
if config_item in config["map"]:
del config["map"][config_item]
return json.dumps(config)
else:
return conf
def new_map(request, template='maps/map_new.html'):
map_obj, config = new_map_config(request)
context_dict = {
'config': config,
'map': map_obj
}
context_dict["preview"] = getattr(
settings,
'GEONODE_CLIENT_LAYER_PREVIEW_LIBRARY',
'mapstore')
if isinstance(config, HttpResponse):
return config
else:
return render(
request,
template,
context=context_dict)
def new_map_json(request):
if request.method == 'GET':
map_obj, config = new_map_config(request)
if isinstance(config, HttpResponse):
return config
else:
return HttpResponse(config)
elif request.method == 'POST':
if not request.user.is_authenticated:
return HttpResponse(
'You must be logged in to save new maps',
content_type="text/plain",
status=401
)
map_obj = Map(owner=request.user, zoom=0,
center_x=0, center_y=0)
map_obj.save()
map_obj.set_default_permissions()
map_obj.handle_moderated_uploads()
# If the body has been read already, use an empty string.
# See https://github.com/django/django/commit/58d555caf527d6f1bdfeab14527484e4cca68648
# for a better exception to catch when we move to Django 1.7.
try:
body = request.body
except Exception:
body = ''
try:
map_obj.update_from_viewer(body, context={'request': request, 'mapId': map_obj.id, 'map': map_obj})
except ValueError as e:
return HttpResponse(str(e), status=400)
else:
register_event(request, EventType.EVENT_UPLOAD, map_obj)
return HttpResponse(
json.dumps({'id': map_obj.id}),
status=200,
content_type='application/json'
)
else:
return HttpResponse(status=405)
def new_map_config(request):
'''
View that creates a new map.
If the query argument 'copy' is given, the initial map is
a copy of the map with the id specified, otherwise the
default map configuration is used. If copy is specified
and the map specified does not exist a 404 is returned.
'''
DEFAULT_MAP_CONFIG, DEFAULT_BASE_LAYERS = default_map_config(request)
map_obj = None
if request.method == 'GET' and 'copy' in request.GET:
mapid = request.GET['copy']
try:
map_obj = _resolve_map(
request,
mapid,
'base.view_resourcebase')
except PermissionDenied:
return HttpResponse(_("Not allowed"), status=403)
except Exception:
raise Http404(_("Not found"))
if not map_obj:
raise Http404(_("Not found"))
map_obj.abstract = DEFAULT_ABSTRACT
map_obj.title = DEFAULT_TITLE
if request.user.is_authenticated:
map_obj.owner = request.user
config = map_obj.viewer_json(request)
del config['id']
else:
if request.method == 'GET':
params = request.GET
elif request.method == 'POST':
params = request.POST
else:
return HttpResponse(status=405)
if 'layer' in params:
map_obj = Map(projection=getattr(settings, 'DEFAULT_MAP_CRS',
'EPSG:3857'))
config = add_layers_to_map_config(
request, map_obj, params.getlist('layer'))
else:
config = DEFAULT_MAP_CONFIG
if map_obj:
map_obj.handle_moderated_uploads()
return map_obj, json.dumps(config)
def add_layers_to_map_config(
request, map_obj, layer_names, add_base_layers=True):
DEFAULT_MAP_CONFIG, DEFAULT_BASE_LAYERS = default_map_config(request)
bbox = []
layers = []
for layer_name in layer_names:
try:
layer = _resolve_layer(request, layer_name)
except ObjectDoesNotExist:
# bad layer, skip
continue
except Http404:
# can't find the layer, skip it.
continue
if not request.user.has_perm(
'view_resourcebase',
obj=layer.get_self_resource()):
# invisible layer, skip inclusion
continue
layer_bbox = layer.bbox[0:4]
bbox = layer_bbox[:]
bbox[0] = layer_bbox[0]
bbox[1] = layer_bbox[2]
bbox[2] = layer_bbox[1]
bbox[3] = layer_bbox[3]
# assert False, str(layer_bbox)
def decimal_encode(bbox):
import decimal
_bbox = []
for o in [float(coord) for coord in bbox]:
if isinstance(o, decimal.Decimal):
o = (str(o) for o in [o])
_bbox.append(o)
# Must be in the form : [x0, x1, y0, y1
return [_bbox[0], _bbox[2], _bbox[1], _bbox[3]]
def sld_definition(style):
_sld = {
"title": style.sld_title or style.name,
"legend": {
"height": "40",
"width": "22",
"href": layer.ows_url +
"?service=wms&request=GetLegendGraphic&format=image%2Fpng&width=20&height=20&layer=" +
quote(layer.service_typename, safe=''),
"format": "image/png"
},
"name": style.name
}
return _sld
config = layer.attribute_config()
if hasattr(layer, 'srid'):
config['crs'] = {
'type': 'name',
'properties': layer.srid
}
# Add required parameters for GXP lazy-loading
attribution = "%s %s" % (layer.owner.first_name,
layer.owner.last_name) if layer.owner.first_name or layer.owner.last_name else str(
layer.owner)
srs = getattr(settings, 'DEFAULT_MAP_CRS', 'EPSG:3857')
srs_srid = int(srs.split(":")[1]) if srs != "EPSG:900913" else 3857
config["attribution"] = "<span class='gx-attribution-title'>%s</span>" % attribution
config["format"] = getattr(
settings, 'DEFAULT_LAYER_FORMAT', 'image/png')
config["title"] = layer.title
config["wrapDateLine"] = True
config["visibility"] = True
config["srs"] = srs
config["bbox"] = decimal_encode(
bbox_to_projection([float(coord) for coord in layer_bbox] + [layer.srid, ],
target_srid=int(srs.split(":")[1]))[:4])
config["capability"] = {
"abstract": layer.abstract,
"store": layer.store,
"name": layer.alternate,
"title": layer.title,
"queryable": True,
"storeType": layer.storeType,
"bbox": {
layer.srid: {
"srs": layer.srid,
"bbox": decimal_encode(bbox)
},
srs: {
"srs": srs,
"bbox": decimal_encode(
bbox_to_projection([float(coord) for coord in layer_bbox] + [layer.srid, ],
target_srid=srs_srid)[:4])
},
"EPSG:4326": {
"srs": "EPSG:4326",
"bbox": decimal_encode(bbox) if layer.srid == 'EPSG:4326' else
bbox_to_projection(
[float(coord) for coord in layer_bbox] + [layer.srid, ], target_srid=4326)[:4]
},
"EPSG:900913": {
"srs": "EPSG:900913",
"bbox": decimal_encode(bbox) if layer.srid == 'EPSG:900913' else
bbox_to_projection(
[float(coord) for coord in layer_bbox] + [layer.srid, ], target_srid=3857)[:4]
}
},
"srs": {
srs: True
},
"formats": ["image/png", "application/atom xml", "application/atom+xml", "application/json;type=utfgrid",
"application/openlayers", "application/pdf", "application/rss xml", "application/rss+xml",
"application/vnd.google-earth.kml", "application/vnd.google-earth.kml xml",
"application/vnd.google-earth.kml+xml", "application/vnd.google-earth.kml+xml;mode=networklink",
"application/vnd.google-earth.kmz", "application/vnd.google-earth.kmz xml",
"application/vnd.google-earth.kmz+xml", "application/vnd.google-earth.kmz;mode=networklink",
"atom", "image/geotiff", "image/geotiff8", "image/gif", "image/gif;subtype=animated",
"image/jpeg", "image/png8", "image/png; mode=8bit", "image/svg", "image/svg xml",
"image/svg+xml", "image/tiff", "image/tiff8", "image/vnd.jpeg-png",
"kml", "kmz", "openlayers", "rss", "text/html; subtype=openlayers", "utfgrid"],
"attribution": {
"title": attribution
},
"infoFormats": ["text/plain", "application/vnd.ogc.gml", "text/xml", "application/vnd.ogc.gml/3.1.1",
"text/xml; subtype=gml/3.1.1", "text/html", "application/json"],
"styles": [sld_definition(s) for s in layer.styles.all()],
"prefix": layer.alternate.split(":")[0] if ":" in layer.alternate else "",
"keywords": [k.name for k in layer.keywords.all()] if layer.keywords else [],
"llbbox": decimal_encode(bbox) if layer.srid == 'EPSG:4326' else
bbox_to_projection(
[float(coord) for coord in layer_bbox] + [layer.srid, ], target_srid=4326)[:4]
}
all_times = None
if check_ogc_backend(geoserver.BACKEND_PACKAGE):
if layer.has_time:
from geonode.geoserver.views import get_capabilities
# WARNING Please make sure to have enabled DJANGO CACHE as per
# https://docs.djangoproject.com/en/2.0/topics/cache/#filesystem-caching
wms_capabilities_resp = get_capabilities(
request, layer.id, tolerant=True)
if wms_capabilities_resp.status_code >= 200 and wms_capabilities_resp.status_code < 400:
wms_capabilities = wms_capabilities_resp.getvalue()
if wms_capabilities:
from defusedxml import lxml as dlxml
namespaces = {'wms': 'http://www.opengis.net/wms',
'xlink': 'http://www.w3.org/1999/xlink',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance'}
e = dlxml.fromstring(wms_capabilities)
for atype in e.findall(
"./[wms:Name='%s']/wms:Dimension[@name='time']" % (layer.alternate), namespaces):
dim_name = atype.get('name')
if dim_name:
dim_name = str(dim_name).lower()
if dim_name == 'time':
dim_values = atype.text
if dim_values:
all_times = dim_values.split(",")
break
if all_times:
config["capability"]["dimensions"] = {
"time": {
"name": "time",
"units": "ISO8601",
"unitsymbol": None,
"nearestVal": False,
"multipleVal": False,
"current": False,
"default": "current",
"values": all_times
}
}
if layer.storeType == "remoteStore":
service = layer.remote_service
source_params = {}
if service.type in ('REST_MAP', 'REST_IMG'):
source_params = {
"ptype": service.ptype,
"remote": True,
"url": service.service_url,
"name": service.name,
"title": "[R] %s" % service.title}
maplayer = MapLayer(map=map_obj,
name=layer.alternate,
ows_url=layer.ows_url,
layer_params=json.dumps(config),
visibility=True,
source_params=json.dumps(source_params)
)
else:
ogc_server_url = urlsplit(
ogc_server_settings.PUBLIC_LOCATION).netloc
layer_url = urlsplit(layer.ows_url).netloc