254 lines
10 KiB
Python
254 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# Copyright (c) 2014 CoNWeT Lab., Universidad Politécnica de Madrid
|
|
|
|
# This file is part of CKAN Private Dataset Extension.
|
|
|
|
# CKAN Private Dataset Extension is free software: you can redistribute it and/or
|
|
# modify it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# CKAN Private Dataset Extension 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 Affero General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with CKAN Private Dataset Extension. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import ckan.lib.search as search
|
|
import ckan.plugins as p
|
|
import ckan.plugins.toolkit as tk
|
|
import auth
|
|
import actions
|
|
import constants
|
|
import converters_validators as conv_val
|
|
import db
|
|
import helpers as helpers
|
|
|
|
|
|
class PrivateDatasets(p.SingletonPlugin, tk.DefaultDatasetForm):
|
|
|
|
p.implements(p.IDatasetForm)
|
|
p.implements(p.IAuthFunctions)
|
|
p.implements(p.IConfigurer)
|
|
p.implements(p.IRoutes, inherit=True)
|
|
p.implements(p.IActions)
|
|
p.implements(p.IPackageController, inherit=True)
|
|
p.implements(p.ITemplateHelpers)
|
|
|
|
######################################################################
|
|
############################ DATASET FORM ############################
|
|
######################################################################
|
|
|
|
def __init__(self, name=None):
|
|
self.indexer = search.PackageSearchIndex()
|
|
|
|
def _modify_package_schema(self):
|
|
return {
|
|
# remove datasets_with_no_organization_cannot_be_private validator
|
|
'private': [tk.get_validator('ignore_missing'),
|
|
tk.get_validator('boolean_validator')],
|
|
constants.ALLOWED_USERS_STR: [tk.get_validator('ignore_missing'),
|
|
conv_val.private_datasets_metadata_checker],
|
|
constants.ALLOWED_USERS: [conv_val.allowed_users_convert,
|
|
tk.get_validator('ignore_missing'),
|
|
conv_val.private_datasets_metadata_checker],
|
|
constants.ACQUIRE_URL: [tk.get_validator('ignore_missing'),
|
|
conv_val.private_datasets_metadata_checker,
|
|
conv_val.url_checker,
|
|
tk.get_converter('convert_to_extras')],
|
|
constants.SEARCHABLE: [tk.get_validator('ignore_missing'),
|
|
conv_val.private_datasets_metadata_checker,
|
|
tk.get_converter('convert_to_extras'),
|
|
tk.get_validator('boolean_validator')]
|
|
}
|
|
|
|
def create_package_schema(self):
|
|
# grab the default schema in our plugin
|
|
schema = super(PrivateDatasets, self).create_package_schema()
|
|
schema.update(self._modify_package_schema())
|
|
return schema
|
|
|
|
def update_package_schema(self):
|
|
# grab the default schema in our plugin
|
|
schema = super(PrivateDatasets, self).update_package_schema()
|
|
schema.update(self._modify_package_schema())
|
|
return schema
|
|
|
|
def show_package_schema(self):
|
|
schema = super(PrivateDatasets, self).show_package_schema()
|
|
schema.update({
|
|
constants.ALLOWED_USERS: [conv_val.get_allowed_users,
|
|
tk.get_validator('ignore_missing')],
|
|
constants.ACQUIRE_URL: [tk.get_converter('convert_from_extras'),
|
|
tk.get_validator('ignore_missing')],
|
|
constants.SEARCHABLE: [tk.get_converter('convert_from_extras'),
|
|
tk.get_validator('ignore_missing')]
|
|
})
|
|
return schema
|
|
|
|
def is_fallback(self):
|
|
# Return True to register this plugin as the default handler for
|
|
# package types not handled by any other IDatasetForm plugin.
|
|
return True
|
|
|
|
def package_types(self):
|
|
# This plugin doesn't handle any special package types, it just
|
|
# registers itself as the default (above).
|
|
return []
|
|
|
|
######################################################################
|
|
########################### AUTH FUNCTIONS ###########################
|
|
######################################################################
|
|
|
|
def get_auth_functions(self):
|
|
return {'package_show': auth.package_show,
|
|
'package_update': auth.package_update,
|
|
'resource_show': auth.resource_show,
|
|
constants.PACKAGE_ACQUIRED: auth.package_acquired}
|
|
|
|
######################################################################
|
|
############################ ICONFIGURER #############################
|
|
######################################################################
|
|
|
|
def update_config(self, config):
|
|
# Add this plugin's templates dir to CKAN's extra_template_paths, so
|
|
# that CKAN will use this plugin's custom templates.
|
|
tk.add_template_directory(config, 'templates')
|
|
|
|
# Register this plugin's fanstatic directory with CKAN.
|
|
tk.add_resource('fanstatic', 'privatedatasets')
|
|
|
|
######################################################################
|
|
############################## IROUTES ###############################
|
|
######################################################################
|
|
|
|
def before_map(self, m):
|
|
# DataSet acquired notification
|
|
m.connect('user_acquired_datasets', '/dashboard/acquired', ckan_icon='shopping-cart',
|
|
controller='ckanext.privatedatasets.controllers.ui_controller:AcquiredDatasetsControllerUI',
|
|
action='user_acquired_datasets', conditions=dict(method=['GET']))
|
|
|
|
return m
|
|
|
|
######################################################################
|
|
############################## IACTIONS ##############################
|
|
######################################################################
|
|
|
|
def get_actions(self):
|
|
return {constants.PACKAGE_ACQUIRED: actions.package_acquired}
|
|
|
|
######################################################################
|
|
######################### IPACKAGECONTROLLER #########################
|
|
######################################################################
|
|
|
|
def before_index(self, pkg_dict):
|
|
|
|
if 'extras_' + constants.SEARCHABLE in pkg_dict:
|
|
if pkg_dict['extras_searchable'] == 'False':
|
|
pkg_dict['capacity'] = 'private'
|
|
else:
|
|
pkg_dict['capacity'] = 'public'
|
|
|
|
return pkg_dict
|
|
|
|
def after_create(self, context, pkg_dict):
|
|
session = context['session']
|
|
update_cache = False
|
|
|
|
db.init_db(context['model'])
|
|
|
|
# Get the users and the package ID
|
|
if constants.ALLOWED_USERS in pkg_dict:
|
|
|
|
allowed_users = pkg_dict[constants.ALLOWED_USERS]
|
|
package_id = pkg_dict['id']
|
|
|
|
# Get current users
|
|
users = db.AllowedUser.get(package_id=package_id)
|
|
|
|
# Delete users and save the list of current users
|
|
current_users = []
|
|
for user in users:
|
|
current_users.append(user.user_name)
|
|
if user.user_name not in allowed_users:
|
|
session.delete(user)
|
|
update_cache = True
|
|
|
|
# Add non existing users
|
|
for user_name in allowed_users:
|
|
if user_name not in current_users:
|
|
out = db.AllowedUser()
|
|
out.package_id = package_id
|
|
out.user_name = user_name
|
|
out.save()
|
|
session.add(out)
|
|
update_cache = True
|
|
|
|
session.commit()
|
|
|
|
# The cache should be updated. Otherwise, the system may return
|
|
# outdated information in future requests
|
|
if update_cache:
|
|
new_pkg_dict = tk.get_action('package_show')(
|
|
{'model': context['model'],
|
|
'ignore_auth': True,
|
|
'validate': False,
|
|
'use_cache': False},
|
|
{'id': package_id})
|
|
# Prevent acquired datasets jumping to the first position
|
|
new_pkg_dict['metadata_modified'] = new_pkg_dict.get('revision_timestamp', '')
|
|
self.indexer.update_dict(new_pkg_dict)
|
|
|
|
return pkg_dict
|
|
|
|
def after_update(self, context, pkg_dict):
|
|
return self.after_create(context, pkg_dict)
|
|
|
|
def after_show(self, context, pkg_dict):
|
|
|
|
user_obj = context.get('auth_user_obj')
|
|
updating_via_api = context.get(constants.CONTEXT_CALLBACK, False)
|
|
|
|
# allowed_users, searchable and acquire_url fileds can be only viewed by (and only if the dataset is private):
|
|
# * the dataset creator
|
|
# * the sysadmin
|
|
# * users allowed to update the allowed_users list via the notification API
|
|
if pkg_dict.get('private') is False or not updating_via_api and (not user_obj or (pkg_dict['creator_user_id'] != user_obj.id and not user_obj.sysadmin)):
|
|
attrs = [constants.ALLOWED_USERS, constants.SEARCHABLE, constants.ACQUIRE_URL]
|
|
for attr in attrs:
|
|
if attr in pkg_dict:
|
|
del pkg_dict[attr]
|
|
|
|
return pkg_dict
|
|
|
|
def after_delete(self, context, pkg_dict):
|
|
session = context['session']
|
|
package_id = pkg_dict['id']
|
|
|
|
# Get current users
|
|
db.init_db(context['model'])
|
|
users = db.AllowedUser.get(package_id=package_id)
|
|
|
|
# Delete all the users
|
|
for user in users:
|
|
session.delete(user)
|
|
session.commit()
|
|
|
|
return pkg_dict
|
|
|
|
######################################################################
|
|
######################### ITEMPLATESHELPER ###########################
|
|
######################################################################
|
|
|
|
def get_helpers(self):
|
|
return {'is_dataset_acquired': helpers.is_dataset_acquired,
|
|
'get_allowed_users_str': helpers.get_allowed_users_str,
|
|
'is_owner': helpers.is_owner,
|
|
'can_read': helpers.can_read,
|
|
'show_acquire_url_on_create': helpers.show_acquire_url_on_create,
|
|
'show_acquire_url_on_edit': helpers.show_acquire_url_on_edit
|
|
}
|