105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from typing import TYPE_CHECKING
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from flask_appbuilder import expose
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from flask_appbuilder.models.sqla.interface import SQLAInterface
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from flask_appbuilder.security.decorators import has_access
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from flask_babel import lazy_gettext as _
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from wtforms.fields import StringField
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from wtforms.validators import ValidationError
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import superset.models.core as models
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from superset import app
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from superset.constants import MODEL_VIEW_RW_METHOD_PERMISSION_MAP, RouteMethod
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from superset.exceptions import CertificateException
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from superset.superset_typing import FlaskResponse
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from superset.utils import core as utils
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from superset.views.base import (
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DeleteMixin,
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DeprecateModelViewMixin,
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SupersetModelView,
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YamlExportMixin,
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)
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from .mixins import DatabaseMixin
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from .validators import sqlalchemy_uri_validator
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if TYPE_CHECKING:
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from werkzeug.datastructures import FileStorage
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config = app.config
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stats_logger = config["STATS_LOGGER"]
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def sqlalchemy_uri_form_validator(_: _, field: StringField) -> None:
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"""
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Check if user has submitted a valid SQLAlchemy URI
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"""
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sqlalchemy_uri_validator(field.data, exception=ValidationError)
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def certificate_form_validator(_: _, field: StringField) -> None:
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"""
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Check if user has submitted a valid SSL certificate
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"""
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if field.data:
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try:
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utils.parse_ssl_cert(field.data)
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except CertificateException as ex:
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raise ValidationError(ex.message) from ex
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def upload_stream_write(form_file_field: "FileStorage", path: str) -> None:
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chunk_size = app.config["UPLOAD_CHUNK_SIZE"]
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with open(path, "bw") as file_description:
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while True:
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chunk = form_file_field.stream.read(chunk_size)
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if not chunk:
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break
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file_description.write(chunk)
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class DatabaseView(
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DeprecateModelViewMixin,
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DatabaseMixin,
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SupersetModelView,
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DeleteMixin,
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YamlExportMixin,
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): # pylint: disable=too-many-ancestors
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datamodel = SQLAInterface(models.Database)
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class_permission_name = "Database"
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method_permission_name = MODEL_VIEW_RW_METHOD_PERMISSION_MAP
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include_route_methods = RouteMethod.CRUD_SET
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add_template = "superset/models/database/add.html"
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edit_template = "superset/models/database/edit.html"
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validators_columns = {
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"sqlalchemy_uri": [sqlalchemy_uri_form_validator],
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"server_cert": [certificate_form_validator],
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}
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yaml_dict_key = "databases"
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@expose("/list/")
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@has_access
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def list(self) -> FlaskResponse:
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return super().render_app_template()
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