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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 of this
# code in a proprietary program, I am not going to enforce this in
# court.
"""
.....
"""
import tempfile
import zipfile
import re
import json
import typing as t
from pathlib import Path
import flask
import werkzeug
from ...url_patterns import normalize_pattern
from ...builder import build
from ... import versions
from .. import state as st
from . import _app
bp = flask.Blueprint('import', __package__)
@bp.route('/import', methods=['GET'])
def items_import(errors: t.Mapping[str, bool] = {}) -> werkzeug.Response:
pattern = flask.request.args.get('pattern')
if pattern is None:
extra_args = {}
else:
extra_args = {'pattern': normalize_pattern(pattern)}
html = flask.render_template('import.html.jinja', **errors, **extra_args)
return flask.make_response(html, 200)
def items_import_from_file() -> werkzeug.Response:
zip_file_storage = flask.request.files.get('items_zipfile')
if zip_file_storage is None:
return items_import()
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:
return items_import({'uploaded_file_not_zip': True})
extracted_top_level_files = tuple(tmpdir_child.iterdir())
if extracted_top_level_files == ():
return items_import({'invalid_uploaded_malcontent': True})
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_items(malcontent_dir_path)
except:
return items_import({'invalid_uploaded_malcontent': True})
return flask.redirect(flask.url_for('items.packages'))
identifier_re = re.compile(r'^[-0-9a-z.]+$')
def item_import_ad_hoc() -> werkzeug.Response:
form = flask.request.form
def get_as_str(field_name: str) -> str:
value = form[field_name]
assert isinstance(value, str)
return value.strip()
try:
identifier = get_as_str('identifier')
assert identifier
assert identifier_re.match(identifier)
except:
return items_import({'invalid_ad_hoc_identifier': True})
long_name = get_as_str('long_name') or identifier
resource_ref = {'identifier': identifier}
try:
ver = versions.parse(get_as_str('version') or '1')
except:
return items_import({'invalid_ad_hoc_version': True})
try:
pat_str = get_as_str('patterns')
patterns = [
normalize_pattern(p.strip())
for p in pat_str.split('\n')
if p and not p.isspace()
]
assert patterns
except:
return items_import({'invalid_ad_hoc_patterns': True})
common_definition_fields: t.Mapping[str, t.Any] = {
'identifier': identifier,
'long_name': long_name,
'version': ver,
'description': get_as_str('description')
}
schema_url = \
'https://hydrilla.koszko.org/schemas/package_source-1.schema.json'
package_index_json = {
'$schema': schema_url,
'source_name': 'haketilo-ad-hoc-package',
'copyright': [],
'upstream_url': '<local ad hoc package>',
'definitions': [{
**common_definition_fields,
'type': 'mapping',
'payloads': dict((p, resource_ref) for p in patterns)
}, {
**common_definition_fields,
'type': 'resource',
'revision': 1,
'dependencies': [],
'scripts': [{'file': 'script.js'}]
}]
}
with tempfile.TemporaryDirectory() as tmpdir_str:
tmpdir = Path(tmpdir_str)
source_dir = tmpdir / 'src'
source_dir.mkdir()
malcontent_dir = tmpdir / 'malcontent'
malcontent_dir.mkdir()
license_text = get_as_str('license_text')
if license_text:
package_index_json['copyright'] = [{'file': 'COPYING'}]
(source_dir / 'COPYING').write_text(license_text)
(source_dir / 'script.js').write_text(get_as_str('script_text'))
(source_dir / 'index.json').write_text(json.dumps(package_index_json))
try:
builder_args = ['-s', str(source_dir), '-d', str(malcontent_dir)]
build.perform(builder_args, standalone_mode=False)
_app.get_haketilo_state().import_items(malcontent_dir)
except:
import traceback
traceback.print_exc()
return items_import({'invalid_ad_hoc_package': True})
return flask.redirect(flask.url_for('items.packages'))
@bp.route('/import', methods=['POST'])
def items_import_post() -> werkzeug.Response:
action = flask.request.form['action']
if action == 'import_from_file':
return items_import_from_file()
elif action == 'import_ad_hoc':
return item_import_ad_hoc()
else:
raise ValueError()
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