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# SPDX-License-Identifier: GPL-3.0-or-later
# Proxy web UI packages loading.
#
# This file is part of Hydrilla&Haketilo.
#
# Copyright (C) 2022 Wojtek Kosior
#
# 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 <https://www.gnu.org/licenses/>.
#
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this
# file's license. Although I request that you do not make use this code
# in a proprietary program, I am not going to enforce this in court.
"""
.....
"""
# Enable using with Python 3.7.
from __future__ import annotations
import tempfile
import zipfile
import typing as t
from pathlib import Path
import flask
import werkzeug
from ...exceptions import HaketiloException
from ...translations import smart_gettext as _
from .. import state as st
from . import _app
class InvalidUploadedMalcontent(HaketiloException):
def __init__(self):
super().__init__(_('err.proxy.uploaded_malcontent_invalid'))
bp = flask.Blueprint('packages', __package__)
@bp.route('/packages/load_from_disk', methods=['GET'])
def load_from_disk() -> werkzeug.Response:
html = flask.render_template('packages/load_from_disk.html.jinja')
return flask.make_response(html, 200)
@bp.route('/packages/load_from_disk', methods=['POST'])
def load_from_disk_post() -> werkzeug.Response:
zip_file_storage = flask.request.files.get('packages_zipfile')
if zip_file_storage is None:
return load_from_disk()
with tempfile.TemporaryDirectory() as tmpdir_str:
tmpdir = Path(tmpdir_str)
tmpdir_child = tmpdir / 'childdir'
tmpdir_child.mkdir()
try:
with zipfile.ZipFile(zip_file_storage) as zip_file:
zip_file.extractall(tmpdir_child)
except:
raise HaketiloException(_('err.proxy.uploaded_file_not_zip'))
extracted_top_level_files = tuple(tmpdir_child.iterdir())
if extracted_top_level_files == ():
raise InvalidUploadedMalcontent()
if len(extracted_top_level_files) == 1 and \
extracted_top_level_files[0].is_dir():
malcontent_dir_path = extracted_top_level_files[0]
else:
malcontent_dir_path = tmpdir_child
try:
_app.get_haketilo_state().import_packages(malcontent_dir_path)
except:
raise InvalidUploadedMalcontent()
return flask.redirect(flask.url_for('.packages'))
@bp.route('/packages')
def packages() -> werkzeug.Response:
store = _app.get_haketilo_state().mapping_store()
html = flask.render_template(
'packages/index.html.jinja',
display_infos = store.get_display_infos()
)
return flask.make_response(html, 200)
@bp.route('/packages/view/<string:mapping_id>')
def show_package(mapping_id: str) -> werkzeug.Response:
try:
store = _app.get_haketilo_state().mapping_store()
mapping_ref = store.get(str(mapping_id))
version_display_infos = mapping_ref.get_version_display_infos()
active_list = [info for info in version_display_infos if info.is_active]
active_version_ref = None if active_list == [] else active_list[0].ref
active_version_info = None if active_list == [] else active_list[0].info
display_info = st.MappingDisplayInfo(
ref = mapping_ref,
identifier = version_display_infos[0].info.identifier,
enabled = version_display_infos[0].mapping_enabled,
active_version_ref = active_version_ref,
active_version_info = active_version_info
)
html = flask.render_template(
'packages/show_single.html.jinja',
display_info = display_info,
version_display_infos = version_display_infos
)
return flask.make_response(html, 200)
except st.MissingItemError:
flask.abort(404)
@bp.route('/packages/viewversion/<string:mapping_version_id>')
def show_package_version(
mapping_version_id: str,
errors: t.Mapping[str, bool] = {}
) -> werkzeug.Response:
try:
store = _app.get_haketilo_state().mapping_version_store()
display_info = store.get(mapping_version_id).get_display_info()
html = flask.render_template(
'packages/show_single_version.html.jinja',
display_info = display_info,
**errors
)
return flask.make_response(html, 200)
except st.MissingItemError:
flask.abort(404)
@bp.route('/packages/viewversion/<string:mapping_version_id>', methods=['POST'])
def alter_package_version(mapping_version_id: str) -> werkzeug.Response:
form_data = flask.request.form
action = form_data['action']
try:
store = _app.get_haketilo_state().mapping_version_store()
mapping_version_ref = store.get(mapping_version_id)
if action == 'install_package':
mapping_version_ref.install()
elif action == 'uninstall_package':
mapping_version_ref.uninstall()
return flask.redirect(flask.url_for('.packages'))
else:
raise ValueError()
except st.ImpossibleSituation:
return show_package_version(
mapping_version_id,
{'uninstall_disallowed': True}
)
except st.MissingItemError:
flask.abort(404)
return flask.redirect(
flask.url_for(
'.show_package_version',
mapping_version_id = mapping_version_id
)
)
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